CN1973597B - Combine - Google Patents
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- CN1973597B CN1973597B CN2006101515208A CN200610151520A CN1973597B CN 1973597 B CN1973597 B CN 1973597B CN 2006101515208 A CN2006101515208 A CN 2006101515208A CN 200610151520 A CN200610151520 A CN 200610151520A CN 1973597 B CN1973597 B CN 1973597B
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- combine
- action bars
- control stick
- rake
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Abstract
The present invention relates to a combine harvester comprises a control tower 30 arranged in front of the driving part 5, wherein the control tower is left-right abreast provided with a control lever 31 for machine body steering and a rake drum control lever 32 for lifting the rake drum 10 of the harvesting section 7, so that the travel of machine body 2 and the height adjustment of the rake drum 10 can be reliably operated.
Description
Technical field
The present invention relates to possess the combine of advance body and the reaping part that are equipped with Drive Section.
Background technology
Known in the combine of said structure have a following combine: for the Level Change corresponding to crop harrows wording depth, carry out lift adjustment and rake is held together reel with hydraulic cylinder, by the switching knob on the holding part that is arranged on main shift lever with finger manipulation, make and harrow the electromagnetic type control valve that the reel lifting is connected with hydraulic cylinder and carry out change action (for example, with reference to Japanese kokai publication hei 11-28944 communique).
According to above-mentioned prior art scheme, though can harrow the height adjusting of reel trippingly by finger manipulation, but because this switching knob is arranged on the holding part of main shift lever, so there is such danger, promptly, when carrying out the operation of main transformer speed,, hand cause rake to hold together the reel lifting owing to being not intended to the contact-making switch knob.Especially for the operator who lacks driving experience, carry out such operation that is not intended to easily.
In addition, in above-mentioned prior art scheme, owing to utilize the solenoid electric valve of high price to hold together the hydraulic valve that the reel lifting is used as rake, so, can cause the cost of hydraulic system to increase, and, wish to supply with clean especially action oil for solenoid electric valve is suitably moved, thereby need spend time at hydraulic system maintenance management aspects such as oil strainer maintenance and filter replacings.
Summary of the invention
The present invention makes in view of problem as described above, and its purpose is accurately and to carry out the manipulation of body and the height adjusting that rake holds together reel reliably.
In order to achieve the above object, feature scheme of the present invention is, be provided with control tower in the setting of the front portion of described Drive Section, about on this control tower, control stick and reel action bars have been arranged side by side, described control stick is used to make the described body of advancing to turn to, and described reel action bars is used to make the rake that is arranged at described reaping part to hold together the reel lifting.
According to such scheme, when advancing while gathering in, the driving operation person can set the body direct of travel by the manipulation bar, and can regulate the wording depth that rake holds together reel by the height corresponding to crop by operation reel action bars, by control stick and the reel action bars that is equipped with side by side about change of grip, selector is actuated fast regulates with the height of harrowing reel.In addition, if use two hands, can also carry out the height adjusting that body is handled and rake holds together reel simultaneously.
At this moment, rake holds together reel action bars that the reel lifting uses and erects setting as bar independently, thus need have a mind to carry out holding operation, unlike switching knob, can make a mistake operate or because of neglectful contact can be by simple operations.
Therefore, can realize easily that body turns to and harrows the reel height and regulate accurately and reliably.
In a preferred implementation, on the left and right directions of the described body of advancing, described reel action bars is provided in the outside of described control stick.This scheme has following advantage.
For example, when carrying out the repair and maintenance etc. of reaping part stopping body, want lifting to harrow reel sometimes.This moment, the operator's that the reel action bars is got off from body easily hand touched.Therefore, even no longer go up Drive Section, also can carry out descending operation from ground in the face of rake holds together reel.
In addition, preferably, described reel action bars is erect than described control stick lowland and is provided with.
According to such scheme, in the harvesting operation, be the frequency of utilization height of the frequency of utilization of control stick substantially, in addition than reel action bars, since move advance in manipulation bar only, so the reel action bars is difficult for influencing the operation of control stick, and is outstanding aspect operation convenience.In addition, form differently, even if operation also is difficult for taking place to grip mistake fast by making the bar height.
In a preferred implementation, described reel action bars is arranged to and can be swung along fore-and-aft direction, by operate this reel action bars to the place ahead of neutral position, make described rake hold together reel and carry out down maneuver, by operate described reel action bars to the rear of neutral position, make described rake hold together reel and carry out vertical motion.
According to such scheme, the lifting action direction correspondence that the operation feeling of reel action bars and rake hold together reel, so, be not prone to the mistake of direction of operating, can fast wording depth be adjusted to desired height.
In a preferred implementation, described control stick be arranged to can along about and fore-and-aft direction swing, operate this control stick by direction to the left and right, carrying out body towards the bar direction of operating turns to, and, operation forward by described control stick descends described reaping part, and the backward operation by described control stick rises described reaping part.
According to such scheme, can by about control stick arranged side by side and reel action bars carry out along the crop row the body manipulation operations, change corresponding reaping part descending operation and hold together the reel descending operation with the harvesting height that causes such as concavo-convex with the corresponding rake of plant height or lodging situation by the field, the change of grip of bar is carried out with the while processing ease.
In addition, the first hydraulic valve connecting rod of described reaping part and the hydraulic cylinder that makes this reaping part lifting links, and, described rake holds together reel and the second hydraulic valve connecting rod of this hydraulic cylinder of harrowing the reel lifting is linked, and described first hydraulic valve and second hydraulic valve are set up in parallel the inside at described control tower.Like this, has following advantage.
According to this scheme, two hydraulic valves can utilize the spool-type selector valve of the cheapness of manual operation mode.The transfer valve of manual operation formula, even because of how many mobile generation resistances to guiding valve the influence of action well cuts waits, carry out handover operation, then also can eliminate the influence of impurity as long as act on big slightly operating physical force, so, needn't be when utilizing solenoid electric valve the cleaning of attention action oil.
In addition, by being equipped with two hydraulic valves side by side, put together with the Pressure oil feeder system of these hydraulic valves and from the pipe arrangement of the oil draining system of hydraulic valve oil extraction easily.
In addition, the rotating fulcrum that rotates by the swing of direction forwards, backwards of described control stick is arranged at the inside of described control tower crossbearer, this rotating fulcrum and the described first hydraulic valve connecting rod link, and, be entrenched on the described rotating fulcrum by described reel action bars is become flexible, this reel action bars and the described second hydraulic valve connecting rod link.Like this, has following advantage.
According to this scheme, the rotating fulcrum of control stick can be also used as the fulcrum shaft of reel action bars, effective to the simplification of bar supporting structure.
In a preferred implementation, be provided with the guidance panel that is used for main shift lever and secondary gear lever at described Drive Section, in the courses of action of described secondary gear lever, be provided with the parking spot that is used to make the parking brake action.This scheme has the following advantages.
In combine, adopted is such scheme more, that is, the secondary gear by gear type is put positive reaction force after the speed change to the main transformer quick-mounting that is made of hydrostatic formula stepless speed change device and is carried out many grades of speed changes and regulate gait of march, is provided with brake in the transmission downstream of secondary gear.This brake carries out braking maneuver by the operation of stepping on of special-purpose pedal, is set as dead ship condition (for example with reference to TOHKEMY 2002-295719 communique) on the position by the pedal card only being remained on step on.
In above-mentioned prior art scheme, just releasing is entered into and blocked the pedal that ends and come the brake off device to advance, if still carry out the start-up function of body under the situation of forgetting the brake off device, then engine can stop and needing starting once more.
With respect to this, according to such scheme of the present invention, when advancing, secondary gear lever must be operated a certain shift position, so, be certain to leave and make parking brake carry out the parking spot of braking maneuver.
Therefore, can make the body starting under the situation of parking brake not forgetting to remove.
In addition, if described parking spot is adjacent to the low-speed position setting, then when body starts, at first move to low-speed position after secondary gear lever removed from parking spot, move to high speed position then needs further intentionally secondary gear lever to be carried out move operation.Therefore, in careless secondary gear lever is operated high speed position and the possibility of the anxious starting of body is diminished.
In addition, if the neutral position of allowing the transmission system idle running of advancing is set between the high speed position of above-mentioned secondary gear lever and described low-speed position, and, between low-speed position and described parking spot, stop the idle running of the transmission system of advancing, then for example under the situation of sloping floor parking, body can not move because of the deadweight landing between low-speed position and parking spot the time with secondary gear lever operating operation, can be parked in desired position reliably.
In addition, if described parking brake is constituted, the change gear of secondary gear is fixed on transmission case and stops the rotation of the transmission system of advancing, then the parking brake of no slippage generation can be made into brake simple in structure, that parts are few and cheap.
In a preferred implementation, the described body of advancing is supported by crawler travel device, and, the track takeup of this crawler travel device possesses: to crawler belt apply tension force crawler tension wheel, support this crawler tension wheel the tensioning framework, this tensioning framework slided and adjusting thread spindle that described tension force is regulated, screw the only support of this threaded body of threaded body on this adjustings thread spindle and card, and, be provided with play between described support and threaded body, described play is used to allow that this threaded body fascinates with respect to described tensioning framework.According to this scheme, have the following advantages.
In track takeup, the rotation of adjusting thread spindle is bearing on the track frame freely and screws on the tensioning framework, regulate thread spindle by rotating operation, and carry out move operation by regulating thread spindle, the tensioning framework is slided along the rail portion of track frame, thus, crawler tension wheel moves with respect to track frame, and the rate of tension of crawler belt is increased and decreased adjusting.
As this track takeup, for example real disclosed device of flat 2-126984 communique of opening of Japan is arranged.In the prior art scheme, the frame section (being equivalent to the tensioning framework) that supports crawler tension wheel with regulating wheel support axle is entrenched on the track frame main body rearward end of (being equivalent to track frame) (being equivalent to rail portion) sliding freely.Stride the regulating wheel support of frame section and the screw thread support of track frame main body adjusting threaded rod (being equivalent to regulate thread spindle) is installed.And, regulate the screwed part that fixedly installs on the regulating wheel support of threaded rod and frame section and screw.
In above-mentioned prior art, if the rail portion of track frame and and the chimeric tensioning framework of this rail portion between chimeric play become big, then when rotating operation is regulated thread spindle, the tensioning framework can produce loosening with respect to track frame, between the threaded portion of regulating thread spindle and tensioning framework, produce skew thus, the heavy or situation about can't carry out of rotating operation change of thread spindle takes place to regulate easily.Thereby, in order easily and to carry out the rate of tension adjusting of crawler belt efficiently, need can be brisk and swimmingly rotating operation regulate thread spindle, thereby need to improve the making precision of track frame and tensioning framework so that make the rail portion of track frame and tensioning framework chimeric with loosening minimum state.
With respect to this, in such scheme of the present invention, when rotating operation is regulated thread spindle, end the support card by the card of tensioning framework and end the support thread body, thereby threaded body is with respect to regulating the thread spindle rotation, the move operation that acceptance is undertaken by the adjusting thread spindle, and move with respect to rail portion with the tensioning framework, the tensioning framework moves along the rail portion of track frame.At this moment, even produce loosening slightly between tensioning framework and the rail portion, allow that threaded body fascinates with respect to the tensioning framework and make threaded body fascinate owing to card ends support with respect to the tensioning framework, thereby can be because of the loosening skew of regulating thread spindle and threaded body that causes of tensioning framework yet, the tensioning framework can slide swimmingly and make increase side or the minimizing side shifting of crawler tension wheel to track tension, and, can be easily and swimmingly rotating operation regulate thread spindle and crawler tension wheel moved adjusting.
Therefore, when the tensioning of carrying out crawler belt is regulated, can be easily and carry out lightly and smoothly regulating the rotating operation of thread spindle efficiently, and can make acquisition track frame and tensioning framework at an easy rate to allow producing loosening slightly thicker making precision between the rail portion of track frame and the tensioning framework.
In a preferred implementation, be provided with the grain recoverer at the rear of described Drive Section, erect in the front portion of described grain recoverer and be provided with supporting frame, on the top of this supporting frame fuel tank is installed.This scheme has the following advantages.
Be provided with in the combine of grain recoverer at the rear of Drive Section, for example as TOHKEMY 2002-95331 communique is disclosed, fuel tank is arranged on the After-Body below.Or as TOHKEMY 2000-262133 communique is disclosed, be provided in the pedal below of Drive Section.
In such prior art scheme, though can be by making fuel make up carry out easily on the lower position that fuel tank is arranged on body, but because fuel tank is in lower position with respect to engine, so need in the fuel feed system from the fuel tank to the engine, equip the electrodynamic type supply pump, cost so and corresponding raising.
In addition, in order to know the residual volume of fuel, and liquid level sensor is set in fuel tank, is provided with mechanically or the fuel meter that electric means links to each other with this sensor on the guidance panel of Drive Section etc., this also can increase cost.
With respect to this, according to such scheme of the present invention, fuel tank is arranged on the high position of ratio engine, thereby can supply fuel to engine by conducting oneself with dignity dirty.
Therefore, can save and be used for supplying with the supply pump of fuel to engine, can correspondingly reduce cost from fuel tank.
In addition; if will possess pack links with the grain bunker of outlet and is bearing on the described supporting frame and formation grain recoverer; then the firm supporting frame of supporting grain bunker can be used for the supporting of fuel tank, thereby pass through the shared reduction that realizes cost of parts.
In addition, if with the upper surface of described fuel tank and the roughly the same height of upper surface setting becoming of described grain bunker, then when fuel tank is carried out fuel make up, supply can be placed on fuel tank or the grain bunker with container and carry out replenishment operation like a cork.
In addition,, then need not liquid level sensor and fuel meter on the lateral surface of described fuel tank, can reduce cost effectively if liquid level perspective formula fuel quantity ga(u)ge is set.
In addition, if the outstanding hook-type supporting arm of bending upward that is provided with on described supporting frame, described fuel tank snapped in from the top be bearing on this supporting arm, and by striding that supporting strap that supporting frame and supporting arm hang is pressed into fuel tank from the top and fixing, then can keep fuel tank with supporting arm, even thereby the big big capacity fuel tank of weight also can carry out reliable firm supporting.
And, if will cover the hood of described engine constitutes and can open wide to the rotation of body lateral outer side, above the rotary motion trace of this hood, described fuel tank is set, then can opens wide hood and open wide engine room, the maintainability excellence around the engine significantly by swing.
Below, carry out following explanation by the reference accompanying drawing, further feature scheme of the present invention and will become clear by advantageous effect and effect that this feature scheme plays.
In the following description, short of different offering some clarification on, " right side " and " left side " of " right side " and " left side " refer to when combine is watched in the front.
Description of drawings
Fig. 1 is the left side view of the combine of first embodiment of the invention.
Fig. 2 is the vertical view of combine.
Fig. 3 is the right side view of combine.
Fig. 4 is a kinematic scheme.
Fig. 5 is the end view of reaping part.
Fig. 6 is that the expression rake holds together the front view of the part of reel.
Fig. 7 is the vertical profile rearview of rotation switching mechanism.
Fig. 8 is the front view of cropping knife drives structure.
Fig. 9 is the vertical view that rake holds together the reel speed changing structure.
Figure 10 is the end view that rake holds together the reel speed changing structure.
Figure 11 is the rearview of bar operating structure.
Figure 12 is the end view of bar operating mechanism.
Figure 13 is the vertical profile front view of Drive Section.
Figure 14 is the stereogram of the dustproof conduit upper of expression.
Figure 15 is the vertical profile front view of transmission case.
Figure 16 is the vertical profile front view of vice gear and parking brake.
Figure 17 is the vertical profile front view of sidepiece clutch.
Figure 18 is the end view of variable speed operation structure.
Figure 19 is the vertical profile front view of gear lever base portion.
Figure 20 is the vertical view of gear lever operating portion.
Figure 21 is the vertical view of transmission case.
Figure 22 is the decomposition side view of control valve installation portion.
Figure 23 is the end view of crawler travel device integral body.
Figure 24 is the enlarged side view at Figure 23 rear portion.
Figure 25 is the end view of track takeup.
Figure 26 is the longitudinal section of track takeup.
Figure 27 is the vertical view of track takeup.
Figure 28 is the cutaway view of upper track frame.
Figure 29 is the exploded perspective view of track takeup.
Figure 30 is exploded perspective view track takeup, corresponding with Figure 29 of other structure of expression.
Figure 31 is the left side view of the combine of second embodiment of the invention.
Figure 32 is the vertical view of combine.
Figure 33 is the right side view of combine.
Figure 34 is the end view of Drive Section.
Figure 35 is the front view of Drive Section.
Figure 36 is the end view of Drive Section periphery.
Figure 37 is the vertical profile front view of Drive Section.
Embodiment
Below, describe with reference to accompanying drawing each preferred implementation combine of the present invention.Any embodiment is based on all that ordinary combine harvester as an example of combine describes.
Said " ordinary combine harvester " is meant the combine that drops into the whole bar that gathers in straw and carry out the type of threshing processing, also is referred to as whole stalk feeding type combined harvester.With respect to this, the combine that the fringe point side of harvesting straw is carried out the type of threshing processing is called " half feeding type combine " on one side with on one side the strain root side of harvesting straw being carried out clamping/conveyings, but the part of following illustrated structure also is general for half feeding type combine by the feeding chain.
[first embodiment]
At first, referring to figs. 1 through Figure 30 first embodiment is described.
Fig. 1 is the left side view of ordinary combine harvester integral body, and Fig. 2 is a vertical view, and Fig. 3 is a right side view.
This combine is possessing on the body 2 of advancing of pair of right and left crawler travel device 1, about the sheller unit 3 of axial flow type and the grain recoverer 4 of pack formula be equipped with abreast, and, Drive Section 5 is equipped with in the place ahead of grain recoverer 4.Front portion at sheller unit 3, link the feeder 6 that harvesting straw conveying usefulness is arranged in the mode that swings up and down around fulcrum P freely, front end at this feeder 6 is linking the reaping part 7 with harvesting width roughly suitable with the body transverse width, and, water-cooled engine 8 below Drive Section 5, laterally is equipped with.
Set up hydraulic cylinder 9 between the bottom of the front portion of the body 2 of advancing and feeder 6, by the expanding-contracting action of this hydraulic cylinder 9, reaping part 7 and feeder 6 are integratedly around described fulcrum P swing lifting.Be equipped with rake in the front upper of reaping part 7 and hold together reel 10, this is harrowed reel 10 and rearward harrow and hold together the straw that also pull-up is planted.
Reaping part 7 possesses: the pair of right and left that constitutes the longitudinal wall shape is divided the reaping apparatus 12 of standing grain framework 11, hairclipper type, the straw of being gathered in laterally is fed to the bottom runout table 14 each other that divides standing grain framework 11 about middle auger conveyor 13 of harvesting width and connection.Feeder 6 is taken in to hold together conveyer 16 and constitute by tubular conveying box 15 inside that connect in front and back.Should on hold together conveyer 16 and link conveying lever 16b by the left and right sides chain 16a crossbearer of striding vertical coiling and constitute, the straw of laterally giving by auger conveyor 13 along the bottom surface of conveying box 15 by on hold together to carry, and be put to the front end of sheller unit 3.
At the periphery of auger conveyor cylinder 17 position of keeping right, being equipped with the auxiliary rake that moves in the zone of action laterally giving of right side helical wing plate 18 in addition holds together to refer to 20, be poured in the place ahead that is positioned at auger conveyor 13 from the front end inlet of feeder 6 along the portion of laterally leaving on the runout table 14 straw by auxiliary rake hold together to refer to 20 rakes hold together to helical wing plate 18 laterally give the zone of action, and be transported to rake by the effect of laterally giving of helical wing plate 18 and hold together to refer to 19 the zone of action.
Described rake holds together reel 10 and is bearing in the front portion that swings up and down pair of right and left supporting arm 21 freely around cardinal extremity fulcrum a via 22 of frame support brackets, can be by supporting arm 21 being swung up and down by hydraulic cylinder 23, hold together wording depth and change the rake of harrowing reel 10, and, can be by along supporting arm 21 slidable adjustment frame support brackets 22 and front and back are regulated rake and held together active position.Such shown in Fig. 9,10, frame support bracket 22 is by manual slidable adjustment, and, by connecting pin 26 being inserted in the connect apertures 25 that possesses on a plurality of positions, front and back of leading to the connect apertures 24 that possesses on the frame support bracket 22 and supporting arm 21, and frame support bracket 22 is fixed.
As Fig. 5 and shown in Figure 6, rake holds together reel 10 to be possessed: via frame support bracket 22 by horizontal stand about supporting arm 21 on reel driving shaft 76, link the regular pentagon reel framework 77 that is fixed on this reel driving shaft about 76, with the prong installation shaft 78 of mode horizontal stand between the top, five places of left and right sides reel framework 77 that can rotate, many rakes that are installed in side by side on the prong installation shaft 78 hold together with prong 79, with the eccentric axle center c that rearward departs from driving axle center b with respect to reel framework 77 be that supported freely regular pentagon auxiliary drum framework 80 etc. is rotated at the center, be attached at each top of described auxiliary drum framework 80 from the terminal part pivot suspension of the end of each the prong installation shaft 78 limit rotation arm 33a securing elongated towards the rear, when reel framework 77 is center rotation (revolution) to drive axle center b, with it in linkage, auxiliary drum framework 80 is that central synchronous ground servo-actuated is rotated with eccentric axle center c, thus, each prong installation shaft 78 with respect to reel framework 77 towards the direction opposite with the reel direction of rotation synchronously rotation rotate, thereby, the prong 79 of each prong installation shaft 78 is kept posture down all the time and is revolved round the sun mobilely, and performance rake holds together effect.
Below, the structure that described hydraulic cylinder 9 that operation reaping part lifting is used and rake hold together the described hydraulic cylinder 23 that the reel lifting uses describes.
As Fig. 2 and as shown in Figure 13, be provided with the box type engine hood 28 that covers described engine 8, on this Engine Casing 28, be equipped with and drive seat 27 at Drive Section 5, and, erect in the place ahead of driving seat 27 and to be provided with box-like control tower 30.As Figure 11, as shown in Figure 12, in these control tower 30 inside, be arranged side by side via support plate 39: the side valve type hydraulic valve that the reaping part lifting is used (being equivalent to first hydraulic valve) V1, hold together side valve type hydraulic valve (the being equivalent to second hydraulic valve) V2 that the reel lifting is used with rake, and, about erect side by side to be provided with and carry out above control tower 30 that body turns to and the control stick of reaping part lifting 31, with the reel action bars 32 of harrowing the reel lifting, control stick 31 mechanically links (being that connecting rod links) here with hydraulic valve V1, reel action bars 32 mechanically links (being that connecting rod links) here with hydraulic valve V2.Rake holds together reel action bars 32 that the reel lifting uses and is provided in than control stick 31 by body lateral outer side place, thereby hand touches reel action bars 32 easily from ground.And reel action bars 32 is set for lower than control stick 31.
Inside at control tower 30, can rotating fulcrum 33 being arranged around the mode crossbearer that horizontal axle center d rotates, at carriage 34 upper supports that are fixedly linked on this rotating fulcrum 33 control stick 31 is arranged, and, link via connecting rod 36 interlocks with outstanding motion arm 35 that is provided with of mode that can unitary rotation and the guiding valve s1 of hydraulic valve V1 from rotating fulcrum 33.By it being operated the place ahead of neutral position N around horizontal axle center d swinging operation control stick 31, the guiding valve s1 of hydraulic valve V1 is depressed, hydraulic cylinder 9 shortens, reaping part 7 carries out down maneuver, by control stick 31 being operated the rear of neutral position N, the guiding valve s1 of hydraulic valve V1 is pulled up and makes hydraulic cylinder 9 elongations, and reaping part 7 carries out vertical motion.When control stick 31 was turned back to neutral position N, hydraulic cylinder 9 stopped expanding-contracting action, and the lifting of reaping part 7 stops.Control stick 31 can with front and back towards fulcrum e be that the center is supported on carriage 34 with swinging, carry out body as described later and turn to by operation about it.
Rake holds together reel action bars 32 that the reel lifting uses with can be around the loosening chimeric described rotating fulcrum 33 that is supported on crossbearer of the mode that horizontal axle center d rotates, and links via connecting rod 38 interlocks with outstanding motion arm 37 that is provided with of mode that can unitary rotation and the guiding valve s2 of hydraulic valve V2 from its bar cardinal extremity propeller boss 32a.By around horizontal axle center d swinging operation reel action bars 32 it being operated the place ahead of neutral position N, the guiding valve s2 of hydraulic valve V2 is depressed, and hydraulic cylinder 23 shortens, and rake holds together reel 10 and descends.Otherwise by the rear that reel action bars 32 is operated neutral position N, the guiding valve S2 of hydraulic valve V2 is pulled up and hydraulic cylinder 23 is extended, rake holds together reel 10 and rises, when reel action bars 32 was turned back to neutral position N, hydraulic cylinder 23 stopped expanding-contracting action, and the lifting that rake holds together reel 10 stops.
As Figure 13, as shown in Figure 14, fuel tank 90 is equipped with above described Engine Casing 28, to be positioned at the mode of driving seat 27 rear sides, and, in the lateral outer side of Engine Casing 28, more erect and be provided with aspirating air pipe 91 in the highland than hood upper surface.On aspirating air pipe 91, inwardly and the air entry 92 that is provided with dedusting structure towards the other places, the extraneous air that has been cleaned through aspirating air pipe 91 is attracted the radiator 93 that imports in the hood.Aspirating air pipe 91 can expose radiator 93 by unlimited aspirating air pipe 91 around the fulcrum h of bottom towards the lateral outer side swing and open wide, can carry out maintenances such as the supply of cooling water and cleaning.To the cover 94 outstanding upper inner that are arranged on aspirating air pipe 91 of the font of コ down that covers from the outstanding oil-feed port 90a that is provided with of fuel tank 90 upper surfaces, open wide aspirating air pipe 91 oil-feed port 90a is exposed by swinging.
Then, the drive mechanism to engine power describes.
As shown in Figure 4, assign to advance system and operating system from the power of engine 8, band is delivered to main speed-changing mechanism 41 to the power of advance system via the main clutch 40 of band tension type.Main speed-changing mechanism 41 is made of Hyaulic infinite variable speed mechanism (HST), is imported into transmission case 42 from the just commentaries on classics (advancing) of these main speed-changing mechanism 41 outputs or the variable-speed dynamic of counter-rotating (retreating).The power that is imported into transmission case 42 carries out two grades of speed changes of height by the secondary gear 43 of gear type, afterwards, on the axletree 45 about being branched off into via pair of right and left sidepiece clutch 44, thus the crawler travel device about passing to 1.
Sidepiece clutch 44 constitutes the hydraulic operation formula, and, the hydraulic control valve V3 (with reference to Figure 11) of operation left and right sides sidepiece clutch 44 by described control stick 31 around front and back towards swinging of carrying out of fulcrum e and be operated.When control stick 31 is positioned at neutral position, the left and right sides, about sidepiece clutch 44 equal " joint ", thereby straightaway, by to left or right-hand manipulation bar 31, be operated the sidepiece clutch 44 " disconnection " of side, only one-sided crawler travel device 1 drives, thereby the body 2 of advancing is turned to the direction of operating of control stick 31.Sidepiece brake SB and sidepiece clutch 44 link, when after disconnecting sidepiece clutch 44, continuing further to fall control stick 31, the sidepiece brake SB of the side that sidepiece clutch 44 is disconnected carries out braking maneuver, thereby the crawler travel device 1 that driving has been disconnected is applied braking, carry out body by pivot turn (pivot stud) and turn to.
The power of the operating system that branches out from engine power, via the threshing clutch 50 of band tension type band be delivered to sheller unit 3 power shaft, be on the wind axle (winnowing-fanshaft) 51.Be delivered to the power on the wind axle 51, further be branched off into two systems in the body left side, part branch power is delivered to a thing that sheller unit 3 possesses via driving- belt 55,56 and laterally gives a helical axis 52 of usefulness, secondary helical axis 53 that the secondary thing is laterally given usefulness and swing separatory vessel driving shaft 54 etc., and, branch's power of another part is delivered to the power shaft 58 of the bevel gear box 57 that is provided in sheller unit 3 front portions via driving-belt 59, by the power of having been changed direction by bevel gear box 57, drive and handle cylinder 60.
The power shaft 58 of bevel gear box 57 and crossbearer link via driving-belt 63 interlocks that the harvesting clutch 62 of being with tension type is acted at the feeder driving shaft 61 of described feeder 6 cardinal extremities, by the power that is delivered on the feeder driving shaft 61, as following, drive and hold together conveyer 16, auger conveyor 13, reaping apparatus 12 and harrow reel 10.
Crossbearer is supported with jackshaft 65 on the right side, back of reaping part 7, the right part of the left part of this jackshaft 65 and feeder driving shaft 61 links via chain 66 interlocks, and the right part of jackshaft 65 links via chain 68 interlocks with the auger conveyor driving shaft 67 that is projected into reaping part 7 right sides.
Be equipped with rotation switching mechanism 70 near the right-hand member of jackshaft 65, this rotation switching mechanism 70 is converted to around front and back the rotation around horizontal axle center of jackshaft 65 towards the reciprocal rotation in axle center.As shown in Figure 7, rotation switching mechanism 70, by being installed on the tilt head 71 that links with jackshaft 65 with embedding outside can dallying inclination propeller boss 72 freely around the mode that inclination axle center f rotates, and via york piece 73 power transmission shaft 74 is attached at a pair of fulcrum pin 72a and goes up and constitute, this a pair of fulcrum pin 72a is arranged on the periphery diagonal position of this inclination propeller boss 72.By the rotation of jackshaft 65 around horizontal axle center, make the positive and negative yaw action of the inclination axle center f of described inclination propeller boss 72, thereby, make via fulcrum pin 72a and york piece 73 and the power transmission shaft that links with these inclination propeller boss 72 interlocks 74 back and forth rotates with predetermined angular.
As shown in Figure 8, described power transmission shaft 74 divides the lateral surface of standing grain framework 11 to extend to the front lower place along the right side, the swing arm 75 and the described reaping apparatus 12 that are attached at power transmission shaft 74 front ends link via linking connecting rod 75a interlock, by the reciprocal rotation of power transmission shaft 74, the cropping knife 12a of reaping apparatus 12 is by back and forth to drive about certain stroke.
Be equipped with the base portion right side that rake holds together the supporting arm 21 of reel 10, be provided with relay axis 81 with one heart with the cardinal extremity fulcrum a of supporting arm 21, this relay axis 81 and auger conveyor driving shaft 67 link via chain 82 interlocks, and relay axis 81 and reel driving shaft 76 link via driving-belt 83 interlocks.On relay axis 81, be equipped with the drive pulley 84b of large diameter drive pulley 84a and minor diameter side by side, relative therewith, possessing on reel driving shaft 76 has single driven pulley 85, by driving-belt 83 being changed on any that hangs among drive pulley 84a, the 84b, can hold together reel 10 to rake and carry out two grades of speed changes of height.
The be provided with set positions of driven pulley 85 on axis direction becomes suitable with the centre position, the left and right sides of the drive pulley 84a, the 84b that are equipped with side by side, no matter selects which drive pulley 84a, 84b, and driving-belt 83 can both be reeled with the state of turning round extension slightly.
A pair of idler roller 87 acts on the slack-side path of driving-belt 83, described a pair of idler roller 87 is installed in can be on the tensioner arm 86 of fulcrum g balance-type type swing by being swung the application of force, bending by 87 pairs of driving-belts 83 of these idler rollers is reeled, and can hold together the irrespectively suitable tightening belt of front and back position change of reel 10 with rake.
Below, with reference to Figure 15 to Figure 17 the interior of above-mentioned main speed-changing mechanism 41 and transmission case 42 is at length described.
What main speed-changing mechanism 41 adopted is the Hyaulic infinite variable speed mechanism of known configurations, promptly, between gearbox 151 that is bonded together and thick plate-like port piece (Port one ト Block ロ Star Network) 152, take in the variable displacement pump 41P of axial plunger type and the constant volume type motor 41M of axial plunger type, pump 41P and motor 41M are communicated with by the internal oil passages that is formed at port piece 152 (not shown).Transmit with engine power as quilt on the pump shaft 153 of power shaft, and, will be delivered to transmission case 42 from the variable-speed dynamic of exporting as the motor drive shaft 154 of output shaft.
Lateral outer side binding at gearbox 151 has pump case 155.In this pump case 155, be assembled with supply pump CP by the concentric trochoid type that drives of extension of pump shaft 153.From the discharge oil of supply pump CP, after the oil strainer 156 that is installed in gearbox 151 upper surfaces purifies, supply to the supply oil circuit (not shown) that is formed at port piece 152 via the internal oil passages in the tank wall 157.
The discharge oil mass of pump 41P and to discharge direction be that angle by swash plate 158 changes, carry out this swash plate 158 angular adjustment variable speed operation axle 159 (with reference to Figure 18) and be assemblied in main shift lever 160 (with reference to Figure 18) the connecting rod binding as described later of Drive Section 5.
Crossbearer is supported with first 161, jackshaft 162, second spool 163 and the above-mentioned axletree 45 of pair of right and left in above-mentioned transmission case 42, strides first 161 and jackshaft 162 and is equipped with above-mentioned secondary gear 43.The input gear G2 of the output gear G1 engagement on the case inner end that is fixed with and is installed in motor drive shaft 154 on first 161, and spline is equipped with the secondary speed change change gear SG that one is being equipped small-diameter gear G3 and large diameter gear G4.At the loosening chimeric change-speed gearing CG that is supported with of the left and right sides of jackshaft 162 central portion, this change-speed gearing CG be by can with the big footpath change-speed gearing G5 of above-mentioned small-diameter gear G3 engagement and can with integrated the forming of path change-speed gearing G6 of above-mentioned large diameter gear G4 engagement.Select small-diameter gear G3 to be engaged to big footpath change-speed gearing G5 by making change gear SG right-hand moving in figure, present " low speed " the position L shown in Figure 16 (a), by being moved, change gear SG left in figure select large diameter gear G4 to be engaged to path change-speed gearing G6, present " at a high speed " position, by change gear SG being moved to not the centre position with change-speed gearing CG engagement, and present " neutrality " position.
An axle supporting position of first 161 being equipped with change gear SG is equipped with parking brake PB.This parking brake PB will fix with the transmission downstream of this change gear SG engagement interlock by the rotation that stops change gear SG, and structure is as follows.
On the lateral surface of large diameter gear G4 in change gear SG, the outstanding engaging pawl 165 that is provided with, and change gear SG can more move to engaging pawl projected direction than above-mentioned " low speed " position.On the other hand, the chimeric keep plate 166 that is fixed on the case sidewall is equipped with on first 161 axle supporting position, opposed to each other from axis direction and change gear SG.When change gear SG than " low speed " position more when engaging pawl projected direction moves, present the " STOP " position P shown in Figure 16 (b), above-mentioned engaging pawl 165 engages with the lock hole 167 that is formed at keep plate 166, the rotation of change gear SG is stoped.At this, even under the engaging pawl 165 of change gear SG and state that keep plate 166 engages, also can keep the engagement of small-diameter gear G3 and big footpath change-speed gearing G5, will fix with the transmission system in the transmission downstream of change-speed gearing CG engagement interlock, thus crawler travel device 1 is fixing.
About jackshaft 162, becoming flexible the chimeric clutch gear G7 that constitutes sidepiece clutch 44 that is supported with along the mode that axis direction slides.On second 163, the loosening chimeric a pair of output gear G8 that meshes with each clutch gear G7 that is supported with.By clutch gear G7 is slided to the inside, become " clutch " state with the internal-gear G9 engagement that is formed at above-mentioned change-speed gearing CG center.By clutch gear G7 is slided laterally, obtain " clutch disconnection " state that breaks away from from above-mentioned internal-gear G9.Generally, be installed in spring 168 on the jackshaft 162 by outer embedding, towards " clutch " direction to each clutch gear G7 slip application of force.Clutch gear G7 wider width, no matter in " clutch " still when " clutch disconnection ", can both mesh with output gear G8 all the time.
Each output gear G8 one is attached at loosening chimeric being supported on second 163 the middle small-diameter gear G10, and, in the middle of each small-diameter gear G10 respectively with the big footpath reduction gearing G11 engagement that is fixed on each axletree 45 medial end, be decelerated from the power of each output gear G8 output and be delivered on the left and right sides axletree 45.
Therefore, when left and right sides sidepiece clutch 44 all is in " clutch " state, from about the power of output gear G8 output constant speed, left and right sides crawler travel device 1 is driven with constant speed, thus straightaway.When one-sided sidepiece clutch 44 is in " clutch disconnection " state, be cut off towards the transmission of power of one-sided crawler travel device 1, only drive opposite side crawler travel device 1, turn to thereby carry out body.
As shown in Figure 17, shaft hub 169 prolongs towards the outside from each clutch gear G7, and embedding is fixed with operation panel 171 outside these shaft hub 169 upper splines, and the slip toward the outer side of described operation panel 171 is moved by locating snap ring 170 and stoped.Be equipped on the wall of transmission case 42 with these operation panel 171 opposed annular pistons 173 across thrust bearing 172.Annular piston 173 is by the supply of pressing oil and turnover is laterally moved, thus bulldozing operation plate 171, the active force that overcomes spring 168 make clutch gear G7 laterally, just disconnect direction and slide to clutch.
Near the left and right end portions of jackshaft 162, be provided with the sidepiece brake SB that acts on above-mentioned clutch gear G7.This sidepiece brake SB is made of many plates friction brake, this many plates friction brake alternately overlaps on axis direction friction plate 175 that is fastened on shaft hub 169 peripheries and the friction plate 177 that is fastened on week in the rigid bearing case 176, clutch gear G7 crosses " clutch disconnection " position and when further sliding laterally, the friction plate 175,177 that operation panel 171 crimping overlap and clutch gear G7 is applied friction catch.
Therefore, when the clutch gear G7 of a side slides and when arriving " clutch disconnection " position laterally, drive crawler travel device 1 idle running of a side that has been disconnected, carry out slowly body turn (shallowing turn).When this clutch gear G7 continued to slide laterally, the crawler travel device 1 of a side that driving has been disconnected by sidepiece brake SB was braked, and carries out pivot turn (pivot stud).
Below, with reference to Figure 18 to Figure 22 the operating structure of above-mentioned main speed-changing mechanism 41, secondary gear 43 and sidepiece clutch 44 is described.
Be provided with control tower 30 in driving seat 27 the place aheads of Drive Section 5 setting, and, be equipped with sidepiece guidance panel (example of guidance panel) 182 in the left side of driving seat 27, this sidepiece guidance panel 182 is used to operate the main shift lever 160 of above-mentioned main speed-changing mechanism 41 and the secondary gear lever 197 of secondary gear 43.As shown in figure 18, on the supporting frame 183 of supporting sidepiece guidance panel 182, be provided with carriage 184, on this carriage 184 can bar cardinal extremity parts 185 being installed around the mode that horizontal fulcrum B rotates.The upper end of these bar cardinal extremity parts 185 with can around front and back towards fulcrum C about the mode of fascinating link above-mentioned main shift lever 160 arranged.As shown in figure 20, main shift lever 160 can be formed on high infraversion malposition shape handle hole (examples of the courses of action of main shift lever) 186 swinging operation forwards, backwards on the sidepiece guidance panel 182 along opening.
The other end of above-mentioned bar cardinal extremity parts 185 and the variable speed operation arm 187 that is attached at the jag of above-mentioned variable speed operation axle 159, link by pull bar 188 interlocks, when main shift lever 160 is in " stopping " position of the end difference that is set in the handle hole 186, above-mentioned swash plate 158 becomes the angle with pump shaft 153 quadratures, pump 41P does not discharge, and motor 41M stops.When main shift lever 160 when " stop position " is operated into the forward operation path in the place ahead, swash plate 158 presses oil to be discharged to positive direction to the positive direction angle corresponding with the bar operational ton of fascinating, motor drive shaft 154 is just changeing, the speed change of advancing.When main shift lever 160 when " stopping " position is operated into the back operation path at rear, swash plate 158 is to the opposite direction angle corresponding with the bar operational ton of fascinating, and presses oil by to discharging in the other direction, motor drive shaft 154 counter-rotatings retreat speed change.
As shown in figure 19, on above-mentioned horizontal fulcrum B, be equipped with the butterfly spring 189 that the rotation of bar cardinal extremity parts 185 is applied frictional resistance.This frictional resistance is set for bigger than the variable speed operation counter-force of coming via pull bar 188 transmission from variable speed operation axle 159, thus, main shift lever 160 frictions can be remained on arbitrarily on the operating position.
The pulsation of above-mentioned variable speed operation axle 159 by hydraulic pressure etc. acts on whirling vibration, in order to suppress the transmission of this vibration to main shift lever 160, at the shock absorber that is provided with rubber type or spring midway 190 of pull bar 188.
As Figure 16 and shown in Figure 180, operate the shift fork 191 of the above-mentioned change gear SG of secondary gear 43, supported being fixed on the mode that the fulcrum 192 on the transmission case 42 slides along crossbearer, the fulcrum d around fore-and-aft direction swings supported freely the motion arm 193 that engage with this shift fork 191 via operating axis 194.Four positions of axis direction on fulcrum 192 are formed with locating slot 195, and shift fork 191 can stably remain on " at a high speed ", " neutrality ", " low speed " and the " STOP " position.
As shown in Figure 20, on above-mentioned sidepiece guidance panel 182, be provided with the handle hole 186 of above-mentioned main shift lever 160, and, at the handle hole (examples of the courses of action of secondary gear lever) 196 that is provided with linearity than this handle hole 186 on by the position of driving seat 27, than the short secondary gear levers 197 of main shift lever 160 from handle hole 196 outstanding be provided with in case can before and after operation.This pair gear lever 197 links via action bars 199 interlocks from the extended motion arm 197a of bar cardinal extremity with the action bars 198 that is attached at aforesaid operations axle 194 outer ends being supported on the above-mentioned carriage 184 around the mode of horizontal fulcrum e swing.
In the courses of action of secondary gear lever 197, be set with mobile " at a high speed " the position H that advances when being suitable for non-operation at its rear, be set with " neutrality " position N in H the place ahead, be provided with in the place ahead more and be suitable for " low speed " position L that operation is advanced, be provided with " STOP " position P in the forefront.With secondary gear lever 197 when " low speed " position L moves to " STOP " position P, as described above, change gear SG keeps the engagement with change-speed gearing CG engagement, and idling conditions can not occur.Therefore, for example on inclined-planes such as ramp, stop to advance and when hanging up parking brake PB, body can be because of the deadweight landing.
As Figure 21 and shown in Figure 22, linking on transmission case 42 has control valve V, and this control valve V is to pressing oil controlling to row to the annular piston 173 of operating left and right sides sidepiece clutch 44.Transmission case 42 constitutes left and right sides segmenting structure, and control valve V is attached on the seat surface 42a of the composition surface formation of striding transmission case 42 via liner 201 and intermediate plate 102 bolted.The pressure oil that is formed on the installed surface of control valve V is connected with port one 04 on being formed on seat surface 42a with port one 03 for row, and, encircle 105 at its connecting portion by O shape and carry out oil sealing.
The motion arm 106 of control valve V links via connect mechanism (not shown) and control stick 107 interlocks of erectting setting from above-mentioned control tower 30.When control stick 107 was positioned at neutral position, the left and right sides, left and right sides sidepiece clutch 44 all became " clutch " state, thereby carried out straightaway.When either side manipulation bar 107 to the left and right, the sidepiece clutch 44 that is operated side becomes " clutch disconnection " state, and only the driving by one-sided crawler travel device 1 makes the body 2 of advancing turn to the direction of operating of control stick 107.When behind opening operation sidepiece clutch 44, further falling control stick 107, the sidepiece brake SB action of the side that sidepiece clutch 44 is disconnected, the crawler travel device 1 that driving is disconnected applies braking, and the body that carries out pivot turn (pivot stud) as described above turns to.Above-mentioned control stick 107 constitutes and can carry out the cross operation all around, and, the control valve of control stick 107 and hydraulic cylinder 9 (not shown) links, make above-mentioned hydraulic cylinder 9 be undertaken under reach by the operation forward of control stick 107, reaping part is descended, hydraulic cylinder 9 extends action by its backward operation, and reaping part is risen.
Below, the detailed structure of crawler travel device 1 is described.
As shown in figure 23, crawler travel device 1 comprises: track frame 213 is supported in via a pair of binding framework 212 in front and back on the body framework 2A of the body 2 of advancing; Ground connection roller 214, a plurality of positions on the fore-and-aft direction that is bearing in this track frame 213 freely that dallies; Crawler driving whell 216 is bearing on the transmission case 42 of being located at above-mentioned body framework 2A; Track takeup 220 possesses near the crawler tension wheel 221 that is positioned at above-mentioned track frame 213 rear ends; Upper roller 218, idle running are bearing on the supporting frame 217 that extends out from the pars intermedia of above-mentioned track frame 213 freely; And endless track 219, being wound on above-mentioned each wheel body 214,216,218,211, rubber is made.
When the transmission of power from engine 8 arrives transmission case 42, by march forward side or retreat sideway swivel of this drive force crawler driving whell 216, thus, endless track 219 is driven by crawler driving whell 216 when keeping the regulation tensioning state by crawler tension wheel 221, along march forward side or retreat side and rotate of each ground connection roller 214, upper roller 218, crawler tension wheel 221.
As shown in figure 23, above-mentioned track frame 213 possesses: bottom track frame 213a that above-mentioned each ground connection roller 214 is supported and the cornue shape upper track frame 213b that is attached at this bottom track frame 213a upside.As shown in figure 28, above-mentioned upper track frame 213b constitutes by two bending panel beating 213c are combined into a cornue shape and carry out welding.
Shown in Figure 24, Figure 25 etc., track takeup 220 comprises: by above-mentioned upper track frame 213b constitute and the rail portion 222, the front that are arranged on above-mentioned track frame 213 rearward end be embedded in this rail portion 222 and supported sliding freely tensioning framework 223, via fulcrum union body 224 and fulcrum 225 idle running be bearing in freely this tensioning framework 223 rearward end above-mentioned crawler tension wheel 221 and stride and be arranged on the screw thread supporting mass 226 on the upper track frame 213b and be arranged on the adjusting thread spindle 228 that the threaded body 227 on the tensioning framework 223 is installed.
As Figure 25, Figure 27, shown in Figure 29, above-mentioned screw thread supporting mass 226 possesses: rotation is inserted freely and is connected with the screw thread axis hole 226a that is positioned at the hexagonal axis shape operating portion 228a that regulates thread spindle 228 leading sections and plays the stop surface 226b that holds the retaining effect with the flange 228b butt of regulating thread spindle 228 around this screw thread axis hole 226a, the tension force that overcomes owing to crawler belt 219 is applied to the load of regulating thread spindle 228 rear end side, holds retaining and supporting adjusting thread spindle 228.
To shown in Figure 27, above-mentioned threaded body 227 screws in the rear end side of regulating thread spindle 228 by female threaded hole as Figure 25.This threaded body 227 ends support (card ends an example of the support of threaded body) 230 supportings by the card that is arranged on tensioning framework 223 rearward end, together move with tensioning framework 223 with respect to the rail portion 222 of track frame 213, and, not with respect to 223 rotations of tensioning framework, and then, fascinate a little with respect to tensioning framework 223.
That is to say, in the track takeup 220, regulate thread spindle 228 with the screw thread supporting mass 226 of track frame 213 as reaction member, overcome the tension force of crawler belt 219 and tensioning framework 223 is remained on the adjusting position via threaded body 227, thus, crawler tension wheel 221 is maintained on the installation site of regulation, and crawler belt 219 tensionings operation is become the tensioning state of regulation and keeps this state.At this moment, mounting or dismounting spline body 231 freely is installed on the operating portion 228a that regulates thread spindle 228, the hexagon spline hole 231a (with reference to Figure 29) of spline body 231 engages with operating portion 228a, the bent sheet 231b of spline body 231 (with reference to Figure 29) is with screw thread supporting mass 226 butts and by spline, thus the spline of regulating thread spindle 228.In addition, as Figure 25, as shown in Figure 27, be installed on the operating portion 228a that regulates thread spindle 228 by the locking pin 232 that will install and remove freely, and prevent coming off of branch turning body 231.
For the tension force of crawler belt 219 is regulated, pull down spline body 231 and locking pin 232 from the operating portion 228a that regulates thread spindle 228, rotate this operating portion 228a.So, regulating thread spindle 228 rotates, threaded body 227 forwards or is rearward moved the screw thread supporting mass 226 of track frame 213, thus, tensioning framework 223 in company with threaded body 227 together along rail portion 222 forwards or the rear move.At this moment, even between tensioning framework 223 and rail portion 222, produce loosening a little, because threaded body 227 fascinates with respect to tensioning framework 223 thereupon, so can between adjusting thread spindle 228 and threaded body 227, not produce skew yet, regulate thread spindle 228 thereby can easily rotate swimmingly, tensioning framework 223 is carried out move operation.By moving of tensioning framework 223, when crawler tension wheel 221 was forwards mobile with respect to track frame 213, the rate of tension of crawler belt 219 reduced, and on the contrary, when crawler tension wheel 221 was rearward mobile with respect to track frame 213, the rate of tension of crawler belt 219 increased.
As Figure 25 to Figure 27, as shown in Figure 29, the card of tensioning framework 223 ends support 230 and comprises: be fixedly installed on tensioning framework 223 rearward end and above-mentioned threaded body 227 can be accommodated in keeper 233 among the reception hole 233a, be fixedly installed on the above-mentioned fulcrum 225 of tensioning framework 223 and the back card on the above-mentioned fulcrum union body 224 at these keeper 233 rears and end body 234 and embed the preceding card of installing freely from the outside mounting or dismounting of above-mentioned keeper 233 and end body 235.Ending body 234 and preceding card at back card ends being provided with on the body 235 for above-mentioned adjusting thread spindle 228 and inserts logical screw thread axis hole 234a, 235a.
Promptly, card ends in the support 230, back card ends threaded body 227 rear surfaces that 234 pairs of bodies are accommodated in the keeper 233 and works the retaining effect of holding, before card end threaded body 227 front surfaces that 235 pairs of bodies are accommodated in the keeper 233 and work the retaining effect of holding, double thread body 227 blocks and ends supporting thus, make its can with tensioning framework 223 together with respect to rail portion 222 forwards, backwards direction move.In addition, card ends in the support 230, keeper 233 around threaded body reception hole 233a double thread body 227 around work the retaining effect of holding, stop threaded body 227 to rotate like this with respect to tensioning framework 223.And, card ends support 230 and ends between body 234 and keeper 233 and the threaded body 227 play (circulation) slightly is set respectively by end body 235, back card at preceding card, and allow threaded body 227 to fascinate slightly with respect to tensioning framework 223, absorb tensioning framework 223 becoming flexible with respect to rail portion 222.
Above-mentioned track takeup 220 also can adopt such as shown in figure 30 structure.
Under the situation of track takeup 220 shown in Figure 30, the fulcrum 225 of crawler tension wheel 221 directly is attached at the rearward end of tensioning framework 223.In addition, the card back card that ends support 230 ends body 234 and is attached on fulcrum 225 and the tensioning framework 223.In addition, card ends the horizontal side and the upper surface binding of keeper 233 with the tensioning framework 223 of support 230.
[second embodiment]
Below, with reference to Figure 31 to Figure 37 second embodiment of combine of the present invention is described.
, drive seat 27 and be installed on the hood 326 of case shape to shown in Figure 35 as Figure 31, the engine 8 that this hood 326 will be equipped on the body framework 2A of the body 2 of advancing is surrounded.
Stop up by side plate 328 between sidepiece guidance panel 182 and the driving pedal 327.This side plate 328 is edge and 182 threaded connections of sidepiece guidance panel in the top only, and the lower edge 328a that folds of side plate 328 is pressed into and only blocks and to drive on the pedal 327, and the back edge 328b of side plate 328 only is pressed into card by hood 326.
Above-mentioned grain recoverer 4 constitutes the mode that grain is reclaimed in pack, possesses: will be ended by grain bunker 332, the card that the grain after sheller unit 3 sortings is stored and keep the bag of collection bag 333 to accept rod 334 and operation table top 335 etc.
Outboard end at operation table top 335 is equipped with tall auxiliary mesa 339, this tall auxiliary mesa 339 can swing switch to the work posture that links to each other with operation table top 335 and roughly vertical erect pack up posture.Take in the pack operator of operation table top 335 and tall auxiliary mesa 339, accept the collection bag 333 of rod on 334 and be loaded into outlet 338 belows successively being installed in bag from nearby collection bag, the sealing purseful collection bag 333 upper end open securing member (not shown) and it is accepted rod from bag 334 takes, be placed on the collection bag 333 of purseful on the tall auxiliary mesa 339 temporarily or be placed in the farm.Be provided with the retaining waist arm 340 that the pack operator who supplies to stand on the table top leans on health from supporting frame 336 extensions of front side.
With reference to Figure 36 and Figure 37, the front side supporting frame 336 that is supported with grain bunker 332 links up pair of right and left pillar frame 336a and constitutes by using lower transverse frame 336b, 336c, and the horizontal frame 336c of downside links with the right flank of sheller unit 3 to inboard prolongation of body.Outstandingly on the top of each pillar frame 336a be provided with crooked upward hook supporting arm 341 towards the place ahead, on this supporting arm 341 from above snap in and be supported with fuel tank 342.Snap in the fuel tank 342 of supporting, striden the supporting strap 343 that supporting frame 336 and supporting arm 341 terminal parts hang and be pressed into fixing from the top.
The fuel that flows out by deadweight via supply pipe 344 from fuel tank 342, through being mounted the separator 345 that is bearing on the supporting frame 336 and flowing in the fuel filter 346, the clean fuel that has been removed behind moisture and the impurity flows down the fuel-injection pump 330 that is supplied to engine 8.The remainder of the fuel of discharging from fuel-injection pump 330 turns back to the top of fuel tank 342 via recurrent canal 347.
As the engine 8 that is surrounded by hood 326, what adopt is to erect the water-cooled horizontal arrangement type diesel engine that is provided with radiator 348 in lateral outer side, and the extraneous air that is imported into via the aspirating air pipe portion 349 that is arranged on hood 326 lateral outer side continuously is supplied to radiator 348.Above-mentioned aspirating air pipe portion 349 constitutes the lengthwise case shape higher than hood 326 upper surfaces, and, be formed with the air entry 350 of band Air Filter at its lateral outer side face, through air entry 350 and by dedusting extraneous air attracted by radiator fan 348a and be directed into radiator 348, flow out to the body inboard through the cooling, air discharging behind the radiator 348, taken a breath in engine room inside thus.
On the supporting frame 336 of front side, install and be supported with the air cleaner 352 that is connected with pipe arrangement with the suction system of engine 8.Air intake duct 353 extends upward from air cleaner 352, at its end precleaner 354 is installed, and will be acted as a fuel by the clean air after precleaner 354 and air cleaner 352 dedustings and be supplied to engine 8 with air.The air intake duct 353 that possesses precleaner 354 is inserted logical and is erect in the space that is arranged on formation between sheller unit 3 and the grain bunker 332, links and is bearing on the side of grain bunker 332.
About other structure, since roughly the same with first embodiment, its explanation of Therefore, omited.
[other embodiment]
Each preferred implementation to combine of the present invention is illustrated above, but the present invention is not limited to such scheme.For example, also can be following such scheme.
(1) also can be such embodiment, that is, above-mentioned hydraulic cylinder 23 be carried out Position Control, make rake hold together reel 10 and be elevated to the height corresponding with the operating position of above-mentioned reel action bars 32.That is to say, in the opereating specification of reel action bars 32, the end of decline side is corresponding with the decline extreme lower position that rake holds together reel 10, the end of uplifted side is corresponding with the rising extreme higher position that rake holds together reel 10, when operation reel action bars 32 between both ends, make and harrow reel 10 liftings and stop at the height corresponding with the operating position of reel action bars 32.
(2), also can utilize the multi-plate friction brake or the shoe brake of internal expanding as parking brake PB.
(3), also can utilize the many grades of gears of gear type or the gear of other type as main speed-changing mechanism 41.
(4) in second embodiment, also can adopt following such scheme.
For example, also fuel tank 342 can be bearing on the supporting frame 336 in the mode that can slidingtype moves up and down, thus, fuel tank 342 can be dropped to lower position and carry out fuel make up.In addition, also can not use grain bunker 332, but higher grain case (not shown) is bearing on the above-mentioned supporting frame 336, constitute grain recoverer 4.In addition, also can on the side of the fuel tank 342 of sheet metal structural, be provided with, thereby constitute the fuel quantity ga(u)ge 351 of liquid level Clairvoyant type by transparent resin plate or the lengthwise of glass plate capping perspective window.In addition, simplify more, can also form fuel tank 342 with the semi-transparent resin material that can have an X-rayed level of fuel from the outside, the fuel quantity ga(u)ge of whole case side as the liquid level Clairvoyant type in order to make structure.
At last, in order to carry out with the reference of accompanying drawing having added corresponding Reference numeral easily in the bracket of claims, still, the adding of these Reference numerals can not be interpreted as the present invention is defined in illustrated scheme.
Claims (10)
1. a combine possesses the body of advancing (2) and the reaping part (7) that are equipped with Drive Section (5), it is characterized in that,
Be provided with control tower (30) in the setting of the front portion of described Drive Section,
Be arranged side by side control stick (31) and reel action bars (32) about on this control tower, described control stick (31) is used to make the described body of advancing to turn to, and described reel action bars (32) is used to make the rake that is arranged at described reaping part to hold together reel (10) lifting.
2. combine as claimed in claim 1 is characterized in that, on the described body of advancing (2) left and right directions, described reel action bars (32) is provided in the outside of described control stick (31).
3. combine as claimed in claim 1 is characterized in that, described reel action bars (32) is erect than described control stick (31) lowland and is provided with.
4. combine as claimed in claim 1, it is characterized in that, described reel action bars (32) is arranged to and can be swung along fore-and-aft direction, by operate this reel action bars to the place ahead of neutral position, make described rake hold together reel (10) and carry out down maneuver, by operate described reel action bars to the rear of neutral position, make described rake hold together reel (10) and carry out vertical motion.
5. combine as claimed in claim 1, it is characterized in that, described control stick (31) be arranged to can along about and fore-and-aft direction swing, operate this control stick by direction to the left and right, carrying out body towards the bar direction of operating turns to, and the operation forward by described control stick descends described reaping part (7), and the backward operation by described control stick rises described reaping part.
6. combine as claimed in claim 5, it is characterized in that, described reaping part (7) and first hydraulic valve (V1) connecting rod of the hydraulic cylinder (9) of this reaping part lifting is linked, and, described rake holds together reel (10) and second hydraulic valve (V2) connecting rod of this hydraulic cylinder of harrowing the reel lifting (23) is linked
And described first hydraulic valve (V1) and second hydraulic valve (V2) are set up in parallel the inside in described control tower (30).
7. combine as claimed in claim 6 is characterized in that, at the inside crossbearer of described control tower (30) rotating fulcrum (33) that rotates by described control stick (31) swing of direction is forwards, backwards arranged,
This rotating fulcrum and described first hydraulic valve (V1) connecting rod link,
And, by being become flexible, described reel action bars (32) is entrenched on the described rotating fulcrum, and this reel action bars (32) and described second hydraulic valve (V2) connecting rod link.
8. combine as claimed in claim 1 is characterized in that, is provided with the guidance panel (182) that is used for main shift lever (160) and secondary gear lever (197) at described Drive Section (5),
In the courses of action (196) of described secondary gear lever, be provided with the parking spot that is used to make parking brake (PB) action.
9. combine as claimed in claim 1 is characterized in that, the described body of advancing (2) is supported by crawler travel device (1),
And, the track takeup of this crawler travel device (220) possesses: to crawler belt (219) apply tension force crawler tension wheel (221), support this crawler tension wheel tensioning framework (223), this tensioning framework slided and adjusting thread spindle (228) that described tension force is regulated, screw the only support (230) of this threaded body of threaded body (227) on this adjustings thread spindle and card
And, between described support (230) and threaded body (227), being provided with play, described play is used to allow that this threaded body (227) fascinates with respect to described tensioning framework (223).
10. combine as claimed in claim 1 is characterized in that, is provided with grain recoverer (4) at the rear of described Drive Section (5),
Be provided with supporting frame (336) in the setting of the front portion of described grain recoverer, fuel tank (342) is installed on the top of this supporting frame.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310251688.6A CN103392447B (en) | 2005-12-01 | 2006-09-11 | United reaper |
| CN201310251980.8A CN103392444B (en) | 2005-12-01 | 2006-09-11 | Combine |
Applications Claiming Priority (12)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005348082A JP4746416B2 (en) | 2005-12-01 | 2005-12-01 | Crawler tensioning device for crawler traveling device |
| JP2005-348082 | 2005-12-01 | ||
| JP2005348082 | 2005-12-01 | ||
| JP2005349381A JP4921783B2 (en) | 2005-12-02 | 2005-12-02 | Combine |
| JP2005349381 | 2005-12-02 | ||
| JP2005-349381 | 2005-12-02 | ||
| JP2005-359223 | 2005-12-13 | ||
| JP2005359223 | 2005-12-13 | ||
| JP2005359222 | 2005-12-13 | ||
| JP2005359222A JP4960625B2 (en) | 2005-12-13 | 2005-12-13 | Shifting structure of work equipment |
| JP2005-359222 | 2005-12-13 | ||
| JP2005359223A JP4695504B2 (en) | 2005-12-13 | 2005-12-13 | Combine lever operation structure |
Related Child Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310251688.6A Division CN103392447B (en) | 2005-12-01 | 2006-09-11 | United reaper |
| CN201010251944.8A Division CN101933432B (en) | 2005-12-01 | 2006-09-11 | Combine harvester |
| CN201310251980.8A Division CN103392444B (en) | 2005-12-01 | 2006-09-11 | Combine |
| CN201010251951.8A Division CN101933433B (en) | 2005-12-01 | 2006-09-11 | Combine |
| CN201310251979.5A Division CN103392448B (en) | 2005-12-01 | 2006-09-11 | United reaper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1973597A CN1973597A (en) | 2007-06-06 |
| CN1973597B true CN1973597B (en) | 2010-09-29 |
Family
ID=38124163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006101515208A Ceased CN1973597B (en) | 2005-12-01 | 2006-09-11 | Combine |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4746416B2 (en) |
| CN (1) | CN1973597B (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101940104B (en) * | 2007-07-31 | 2014-05-07 | 株式会社久保田 | Combine harvester |
| KR100858886B1 (en) | 2007-08-20 | 2008-09-17 | 충남대학교산학협력단 | A tension controlling device for caterpillar |
| JP5281506B2 (en) * | 2009-07-14 | 2013-09-04 | 株式会社クボタ | Crawler tension ring support member |
| JP5204798B2 (en) * | 2010-02-25 | 2013-06-05 | 株式会社クボタ | Work vehicle |
| CN108093831B (en) * | 2013-03-18 | 2021-06-01 | 株式会社久保田 | Combine harvester |
| WO2015178524A1 (en) * | 2014-05-22 | 2015-11-26 | 동일고무벨트 주식회사 | Multi terrain loader undercarriage |
| CN110432005B (en) * | 2014-09-02 | 2022-04-08 | 株式会社久保田 | Harvester |
| JP6335723B2 (en) * | 2014-09-02 | 2018-05-30 | 株式会社クボタ | Crawler travel device |
| KR102331512B1 (en) | 2014-12-24 | 2021-11-29 | 주식회사 대동 | Crawler tensioning device |
| CN104787106B (en) * | 2015-03-26 | 2017-03-01 | 益阳富佳科技有限公司 | The steering lifting actuation means of caterpillar tractor and control method |
| JP6851222B2 (en) * | 2017-02-28 | 2021-03-31 | 株式会社クボタ | Harvester |
| CN111213480A (en) * | 2019-12-05 | 2020-06-02 | 湖南省农友农业装备股份有限公司 | Harvesting device and harvester |
| JP7403804B2 (en) * | 2020-03-24 | 2023-12-25 | 松山株式会社 | Anti-loosening members and agricultural machinery |
| KR102319612B1 (en) | 2021-04-21 | 2021-11-02 | 주식회사 대동 | Tension Frame Connection device on Crawler Drive and Tension Regulators Including the same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3705483A (en) * | 1971-01-22 | 1972-12-12 | Chisholm Ryder Co Inc | Multi-row, multi-crop harvester |
| JP2001245524A (en) * | 2000-03-08 | 2001-09-11 | Yanmar Agricult Equip Co Ltd | General-purpose combine |
| JP2004329168A (en) * | 2003-05-12 | 2004-11-25 | Iseki & Co Ltd | General purpose combine harvester |
| JP2005034155A (en) * | 2004-09-06 | 2005-02-10 | Yanmar Agricult Equip Co Ltd | Operating device of combine harvester |
| JP2005034052A (en) * | 2003-07-15 | 2005-02-10 | Kubota Corp | Reaping part lifting and lowering structure for combine harvester |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4584502B2 (en) * | 2001-07-26 | 2010-11-24 | ヤンマー株式会社 | Mobile farm machine |
-
2005
- 2005-12-01 JP JP2005348082A patent/JP4746416B2/en not_active Expired - Fee Related
-
2006
- 2006-09-11 CN CN2006101515208A patent/CN1973597B/en not_active Ceased
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3705483A (en) * | 1971-01-22 | 1972-12-12 | Chisholm Ryder Co Inc | Multi-row, multi-crop harvester |
| JP2001245524A (en) * | 2000-03-08 | 2001-09-11 | Yanmar Agricult Equip Co Ltd | General-purpose combine |
| JP2004329168A (en) * | 2003-05-12 | 2004-11-25 | Iseki & Co Ltd | General purpose combine harvester |
| JP2005034052A (en) * | 2003-07-15 | 2005-02-10 | Kubota Corp | Reaping part lifting and lowering structure for combine harvester |
| JP2005034155A (en) * | 2004-09-06 | 2005-02-10 | Yanmar Agricult Equip Co Ltd | Operating device of combine harvester |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1973597A (en) | 2007-06-06 |
| JP4746416B2 (en) | 2011-08-10 |
| JP2007153020A (en) | 2007-06-21 |
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