CN103016250B - Novel return disc structure of rotary motor - Google Patents
Novel return disc structure of rotary motor Download PDFInfo
- Publication number
- CN103016250B CN103016250B CN201210577797.2A CN201210577797A CN103016250B CN 103016250 B CN103016250 B CN 103016250B CN 201210577797 A CN201210577797 A CN 201210577797A CN 103016250 B CN103016250 B CN 103016250B
- Authority
- CN
- China
- Prior art keywords
- disk body
- face
- backhaul disk
- ball
- backhaul
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The invention discloses a novel return disc structure of a rotary motor. The novel return disc structure comprises a return disc body with a circular flake structure. A coaxial enhancing bump is processed in the center of the front end face of the return disc body. The return disc body is provided with a ball hinged support hole which passes through the enhancing bump along the central axis, wherein the inner hole wall is an arc-shaped face. The arc-shaped ball center of the arc-shaped face is superposed with the ball center of a measuring ball. The ball center of the measuring ball falls on the central axis of the return disc body. The distance from the ball center and the front end of the return disc body is greater than that from the ball center to the rear end face. The return disc body is provided with at least six columnar piston shoe guide holes uniformly around the ball hinged support hole with equal radian. In a same plane, the guide hole circular center of each piston shoe guide hole falls on a same circumferential line in which the central axis of the return disc body is taken as a rotary axis. An R angle for reducing the stress concentration is further arranged at the connection of the enhancing bump and the front end face of the return disc body. The novel return disc structure of the rotary motor provided by the invention is simple in structure, high in strength, and good in wear resistance and stability, and the assembling requirement of a hydraulic rotary motor can be met.
Description
Technical field
The present invention relates to the new design structure of a kind of return plate in hydraulic rotary motor technical field, particularly rotary motor, specifically a kind of Novel return dish structure of rotary motor.
Background technique
Along with the large step development of modern industry level, increasing revolution piston motor is applied in the field such as engineering machinery, building machinery.Meanwhile, the development of industrial level also proposes higher technical requirements to motor, and return plate is a critical elements in motor, and its quality directly affects usability and the life-span of rotary motor.
In prior art, often there are some quality problems in the legacy return plate of rotary motor, these quality problems are reflected in this type of return plate after 40-45HRC heat treatment, add that the thickness of self is smaller, can cause return plate damage in various degree and fracture after certain service time.Mainly legacy return plate of tracing it to its cause is structurally perfect not enough, easily occurs that stress is concentrated, and the mechanical strength of local cross weak extremely, therefore legacy return plate has been difficult to the application meeting Current mechanical industry hydraulic rotary motor.
Summary of the invention
Technical problem to be solved by this invention is for above-mentioned prior art present situation, and provide have simple for structure, easy to process, mechanical strength is high, the Novel return dish structure of a kind of rotary motor of good stability.
The present invention solves the problems of the technologies described above adopted technological scheme: a kind of Novel return dish structure of rotary motor, comprise the backhaul disk body of thin rounded flakes structure, the front-end face center of backhaul disk body is processed with coaxial enhancing boss, and this backhaul disk body inner hole wall that centrally axis is shaped with related through enhancing boss is the ball hinged supporting hole of spherical cambered surface, the centre of sphere of the cambered surface centre of sphere of spherical cambered surface and the measurement ball of setting overlaps, the centre of sphere measuring ball drops on the central axis of backhaul disk body, the distance of this centre of sphere and backhaul disk body front-end face is greater than the distance of the centre of sphere and backhaul disk body ear end face, around ball hinged supporting hole etc., radian is uniform is shaped with at least six cylindricality piston shoes guide holes for backhaul disk body pressed on ring, and the guide hole center of circle of each piston shoes guide hole is all dropped on on the backhaul disk body central axis same circumference that is axis of rotation at grade, the joint strengthening boss and backhaul disk body front-end face increases the R angle having and reduce this place's stress and concentrate.
For optimizing technique scheme, the concrete measure taked also comprises:
Above-mentioned R angle is the R angle concave arc that the bottom be recessed into backhaul disk body has that both sides, bottom plane are concave arc surface, and this R angle concave arc defines the recessed circle of annular around strengthening boss bottom.
Above-mentioned enhancing boss is tapering round platform, and the end circle radius of this enhancing boss is greater than tip circle radius, and strengthens the taper face of boss and the taper angle of backhaul disk body central axis is 25 degree.
The bulb diameter of above-mentioned measurement ball is 38 millimeters, and the vertical measurement of the centre of sphere of this measurement ball distance backhaul disk body front-end face is apart from being 8.5 millimeters, and the thickness of backhaul disk body is 3.5 millimeters.
The periphery of above-mentioned backhaul disk body ear end face is shaped with tapering lead angle inclined-plane, and the slanted angle of this tapering lead angle inclined-plane and backhaul disk body ear end face is 16.5 degree.
The disk body diameter of above-mentioned backhaul disk body is 89 millimeters, and all linear diameters of circumference are 64.7 millimeters.
Above-mentioned backhaul disk body is shaped with nine piston shoes guide holes, at a distance of 40 degree between two adjacent piston shoes guide holes.
Be shaped with rear transition circle cambered surface between the spherical cambered surface in above-mentioned ball hinged supporting hole and the connection of backhaul disk body ear end face, between the spherical cambered surface in ball hinged supporting hole and the connection of enhancing boss end face, be shaped with front transition circle cambered surface.
The front port expansion of above-mentioned piston shoes guide hole is shaped with taper guide hole face, and the distance of the ear end face distance enhancing boss end face of backhaul disk body is 5.5 millimeters.
Above-mentioned return plate surface nitrogenize heat treatment and the degree of depth of nitride layer is 0.3 millimeter to 0.4 millimeter.
Compared with prior art, backhaul disk body of the present invention adopts nitriding process heat treatment, and be designed with enhancing boss at backhaul disk body front-end face and be designed with a R angle at the bottom junctions strengthening boss, therefore not only hardness is high, wear resistance is good but also strengthen because adding the mechanical strength that boss improves product for product, avoid the old return plate of tradition easily to occur damaging and phenomenon of rupture, improve the working life of product.The inner hole wall design in product ball hinged supporting hole, in spherical cambered surface structure, improves the precision that the ball pivot of return plate and motor is equipped, ensure that the flexibility that product swings and stability.The present invention is simple for structure, easy to process, with low cost, can meet the matching requirements of hydraulic rotary motor, improves total quality and the working life of motor.
Accompanying drawing explanation
Fig. 1 is one of structural representation of the embodiment of the present invention;
Fig. 2 is the structural representation two of the embodiment of the present invention;
Fig. 3 is the right TV structure schematic diagram of Fig. 1;
Fig. 4 is the close-up schematic view at K place in Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described in further detail.
Fig. 1 is to Figure 4 shows that structural representation of the present invention.
Reference character is wherein: vertical measurement is apart from H1, thickness H2, distance H3, central axis L, circumference M, measure ball Q, centre of sphere Q1, disk body diameter phi 1, contour diameter phi 2, bulb diameter φ 3, taper angle β 1, slanted angle β 2, backhaul disk body 1, front-end face 11, ear end face 12, tapering lead angle inclined-plane 121, strengthen boss 2, taper face 21, ball hinged supporting hole 3, spherical cambered surface 3a, rear transition circle cambered surface 3b, front transition circle cambered surface 3c, piston shoes guide hole 4, taper guide hole face 41, R angle concave arc 5, bottom plane 51, concave arc surface 52.
As shown in Figures 1 to 4, the Novel return dish structure of a kind of rotary motor of the present invention, comprise the backhaul disk body 1 of thin rounded flakes structure, wherein: front-end face 11 center of backhaul disk body 1 is processed with coaxial enhancing boss 2, and this backhaul disk body 1 inner hole wall that centrally axis L is shaped with related through enhancing boss 2 is the ball hinged supporting hole 3 of spherical cambered surface 3a, the centre of sphere Q1 of the cambered surface centre of sphere of spherical cambered surface 3a and the measurement ball Q of setting overlaps, the centre of sphere Q1 measuring ball Q drops on the central axis L of backhaul disk body 1, the distance of this centre of sphere Q1 and backhaul disk body 1 front-end face 11 is greater than the distance of centre of sphere Q1 and backhaul disk body 1 ear end face 12, backhaul disk body 1 is shaped with at least six cylindricality piston shoes guide holes 4 around ball hinged supporting hole 3 radian such as grade is uniform, and the guide hole center of circle of each piston shoes guide hole 4 is all dropped on on the backhaul disk body 1 central axis L same circumference M that is axis of rotation at grade, strengthen boss 2 and increase with the joint of backhaul disk body 1 front-end face 11 the R angle having and reduce this place's stress and concentrate.In prior art, the old return plate of hydraulic rotary motor is thin-walled type, adds to have porous because thickness is less, therefore causing return plate damage in various degree and fracture after using for a long time, directly affects usability and the life-span of rotary motor.The present invention increases to have and strengthens boss 2 and be shaped with the R angle preventing stress from concentrating in the bottom periphery strengthening boss 2 on the front-end face 11 of backhaul disk body 1, substantially improve the project organization of old return plate, improve mechanical strength and the working life of return plate, prevent return plate from occurring phenomenon of rupture because of unbalance stress.Ball hinged supporting hole 3 inner hole wall design is simultaneously in spherical cambered surface 3a structure, the centre of sphere Q1 measuring ball Q is the measurement centre of sphere of spherical cambered surface 3a, measure the precision that the ball pivot of the accurate position assurance of centre of sphere return plate and motor is equipped, improve flexibility and the stability of product swing.Measuring the centre of sphere is the oscillation center of product, and the careful design at this center directly affects the quality of product and the usability of rotary motor.Structure of the present invention is simple, intensity is high, wear resistance and good stability, can meet the matching requirements of hydraulic rotary motor.
In embodiment as shown in Figure 1 and Figure 4, R angle of the present invention is have to the bottom that backhaul disk body 1 is recessed the R angle concave arc 5 that both sides, bottom plane 51 are concave arc surface 52, and this R angle concave arc 5 defines the recessed circle of annular around strengthening bottom boss 2.R angle concave arc 5 is an important technology feature of the present invention, and R angle concave arc 5 can not only reduce the overall weight of return plate, and can avoid because stress is concentrated and causes fracture herein.The degree of depth of the bottom plane 51 of R angle concave arc 5 is 0.4 millimeter, and the arc radius of the concave arc surface 52 on its both sides is 0.4 millimeter, and the extended distance of R angle concave arc 5 is 1 millimeter.
For optimizing product structure further, in embodiment as depicted in figs. 1 and 2, strengthening boss 2 is tapering round platform, the end circle radius of this enhancing boss 2 is greater than tip circle radius, its end diameter of a circle is 39 millimeters, the height strengthening boss 2 is 2 millimeters, and the taper face 21 strengthening boss 2 is 25 degree with the taper angle β 1 of backhaul disk body 1 central axis L.
As shown in the figure, the bulb diameter φ 3 of measurement ball Q of the present invention is 38 millimeters, and the vertical measurement of the centre of sphere Q1 of this measurement ball Q distance backhaul disk body 1 front-end face 11 is 8.5 millimeters apart from H1, and the thickness H2 of backhaul disk body 1 is 3.5 millimeters.
In embodiment, the periphery of backhaul disk body 1 ear end face 12 is shaped with tapering lead angle inclined-plane 121, and this tapering lead angle inclined-plane 121 is 16.5 degree with the slanted angle β 2 of backhaul disk body 1 ear end face 12.
In embodiment, the disk body diameter phi 1 of backhaul disk body 1 is 89 millimeters, and the contour diameter phi 2 of circumference M is 64.7 millimeters.
In embodiment, backhaul disk body 1 is shaped with at a distance of 40 degree between the adjacent piston shoes guide hole 4 of nine piston shoes guide holes 4, two, the diameter of piston shoes guide hole 4 is 16.4 millimeters.
In embodiment, as shown in Figure 1, rear transition circle cambered surface 3b is shaped with between the spherical cambered surface 3a in ball hinged supporting hole 3 and the connection of backhaul disk body 1 ear end face 12, the arc radius of this rear transition circle cambered surface 3b is 2.5 millimeters, be shaped with front transition circle cambered surface 3c between the spherical cambered surface 3a in ball hinged supporting hole 3 and the connection of enhancing boss 2 end face, the arc radius of front transition circle cambered surface 3c is 0.3 millimeter.
In embodiment, the front port of piston shoes guide hole 4 expands and is shaped with taper guide hole face 41, and the ear end face 12 of backhaul disk body 1 is 5.5 millimeters apart from the distance H3 strengthening boss 2 end face.Maximum height of the present invention is 5.5 millimeters, and the smoothness of assembling can be improved in taper guide hole face 41,
In embodiment, the surfaces nitrided heat treatment of backhaul the disk body 1 of the present invention and degree of depth of nitride layer is 0.3 millimeter to 0.4 millimeter.
Advantage of the present invention is:
1, the increase of projection section and integral thickness, make the structural strength of return plate and stability better.
2, increase the junction plane of return plate and ball pivot, novel return plate extend working life, decrease return plate fracture risk.
3, heat treatment aspect, takes nitriding process to add the wear resistance of return plate.
Claims (1)
1. the Novel return dish structure of a rotary motor, comprise the backhaul disk body (1) of thin rounded flakes structure, it is characterized in that: front-end face (11) center of described backhaul disk body (1) is processed with coaxial enhancing boss (2), and this backhaul disk body (1) inner hole wall that centrally axis (L) is shaped with related through enhancing boss (2) is the ball hinged supporting hole (3) of spherical cambered surface (3a), the centre of sphere (Q1) of the cambered surface centre of sphere of described spherical cambered surface (3a) and the measurement ball (Q) of setting overlaps, the centre of sphere (Q1) of described measurement ball (Q) drops on the central axis (L) of backhaul disk body (1), this centre of sphere (Q1) is greater than the distance of the centre of sphere (Q1) and backhaul disk body (1) ear end face (12) with the distance of backhaul disk body (1) front-end face (11), described backhaul disk body (1) is shaped with at least six cylindricality piston shoes guide holes (4) around ball hinged supporting hole (3) etc. radian is uniform, and the guide hole center of circle of each described piston shoes guide hole (4) is all dropped on on backhaul disk body (1) central axis (L) the same circumference (M) that is axis of rotation at grade, described enhancing boss (2) and the joint of backhaul disk body (1) front-end face (11) increase the R angle having and reduce this place's stress and concentrate, described R angle is have to the bottom that backhaul disk body (1) is recessed R angle concave arc (5) that bottom plane (51) both sides are concave arc surface (52), and this R angle concave arc (5) defines the recessed circle of annular around strengthening boss (2) bottom, the degree of depth of the bottom plane (51) at R angle concave arc (5) is 0.4 millimeter, and the arc radius of the concave arc surface (52) on its both sides is 0.4 millimeter, and the extended distance at R angle concave arc (5) is 1 millimeter, described enhancing boss (2) is tapering round platform, the end circle radius of this enhancing boss (2) is greater than tip circle radius, the height strengthening boss (2) is 2 millimeters, and to strengthen the taper face (21) of boss (2) and the taper angle (β 1) of backhaul disk body (1) central axis (L) be 25 degree, the bulb diameter (φ 3) of described measurement ball (Q) is 38 millimeters, and the centre of sphere (Q1) of this measurement ball (Q) is 8.5 millimeters apart from the vertical measurement of backhaul disk body (1) front-end face (11) apart from (H1), and the thickness (H2) of described backhaul disk body (1) is 3.5 millimeters, the periphery of described backhaul disk body (1) ear end face (12) is shaped with tapering lead angle inclined-plane (121), and this tapering lead angle inclined-plane (121) is 16.5 degree with the slanted angle (β 2) of backhaul disk body (1) ear end face (12), the front port expansion of described piston shoes guide hole (4) is shaped with taper guide hole face (41), and the distance (H3) of ear end face (12) distance enhancing boss (2) end face of described backhaul disk body (1) is 5.5 millimeters, described backhaul disk body (1) surfaces nitrided heat treatment and the degree of depth of nitride layer is 0.3 millimeter to 0.4 millimeter, the disk body diameter (φ 1) of described backhaul disk body (1) is 89 millimeters, and all linear diameters (φ 2) of described circumference (M) are 64.7 millimeters, described backhaul disk body (1) is shaped with nine piston shoes guide holes (4), at a distance of 40 degree between two adjacent piston shoes guide holes (4), be shaped with rear transition circle cambered surface (3b) between the spherical cambered surface (3a) in described ball hinged supporting hole (3) and the connection of backhaul disk body (1) ear end face (12), between the spherical cambered surface (3a) of described ball hinged supporting hole (3) and the connection of enhancing boss (2) end face, be shaped with front transition circle cambered surface (3c).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210577797.2A CN103016250B (en) | 2012-12-27 | 2012-12-27 | Novel return disc structure of rotary motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210577797.2A CN103016250B (en) | 2012-12-27 | 2012-12-27 | Novel return disc structure of rotary motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103016250A CN103016250A (en) | 2013-04-03 |
| CN103016250B true CN103016250B (en) | 2015-06-03 |
Family
ID=47965241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210577797.2A Active CN103016250B (en) | 2012-12-27 | 2012-12-27 | Novel return disc structure of rotary motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103016250B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108252886A (en) * | 2017-12-28 | 2018-07-06 | 太原理工大学 | It is a kind of can balanced differential cylinder difference in flow asymmetric ported axial plunger variable pump |
| CN112833000A (en) * | 2021-01-13 | 2021-05-25 | 龙工（上海）精工液压有限公司 | Rapid detection method for plunger pump return disc matching precision control |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2407310A1 (en) * | 1973-02-16 | 1974-09-05 | Aisin Seiki | PISTON SHOE FOR FLUID PUMP MOTOR |
| US4111103A (en) * | 1977-02-14 | 1978-09-05 | Commercial Shearing, Inc. | Thrust rings for swash plate pumps and motors |
| US5862704A (en) * | 1996-11-27 | 1999-01-26 | Caterpillar Inc. | Retainer mechanism for an axial piston machine |
| US5868061A (en) * | 1994-02-17 | 1999-02-09 | Danfoss A/S | Hydraulic axial piston machine |
| CN201013544Y (en) * | 2007-02-12 | 2008-01-30 | 吴赛珍 | Inner cone body return-stroke disk assembled in hydraulic pumps |
| CN202971036U (en) * | 2012-12-27 | 2013-06-05 | 宁波广天赛克思液压有限公司 | Novel set plate structure for rotary motor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10300070A1 (en) * | 2002-11-15 | 2004-06-03 | Brueninghaus Hydromatik Gmbh | Axial piston machine, retraction plate and method for producing a retraction plate |
-
2012
- 2012-12-27 CN CN201210577797.2A patent/CN103016250B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2407310A1 (en) * | 1973-02-16 | 1974-09-05 | Aisin Seiki | PISTON SHOE FOR FLUID PUMP MOTOR |
| US4111103A (en) * | 1977-02-14 | 1978-09-05 | Commercial Shearing, Inc. | Thrust rings for swash plate pumps and motors |
| US5868061A (en) * | 1994-02-17 | 1999-02-09 | Danfoss A/S | Hydraulic axial piston machine |
| US5862704A (en) * | 1996-11-27 | 1999-01-26 | Caterpillar Inc. | Retainer mechanism for an axial piston machine |
| CN201013544Y (en) * | 2007-02-12 | 2008-01-30 | 吴赛珍 | Inner cone body return-stroke disk assembled in hydraulic pumps |
| CN202971036U (en) * | 2012-12-27 | 2013-06-05 | 宁波广天赛克思液压有限公司 | Novel set plate structure for rotary motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103016250A (en) | 2013-04-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103016250B (en) | Novel return disc structure of rotary motor | |
| CN104533780A (en) | Hydraulic pump plunger and sliding shoe assembly and machining method thereof | |
| CN202971036U (en) | Novel set plate structure for rotary motor | |
| CN102425607A (en) | Axle center self-regulation and vibration reduction bearing block | |
| CN104088899A (en) | Special thin-wall main bearing of industrial robot | |
| CN206918081U (en) | Annular bearing with rolling contact with oval spherical ball | |
| CN203906533U (en) | Curved tie-rod spherical shell | |
| CN203368202U (en) | End cap device for output shaft end of large motor | |
| CN102691724A (en) | Circular bearing with part of radian for steam turbine | |
| CN102108817B (en) | Simple hook hinge | |
| CN113566773B (en) | Bearing inner and outer ring and rolling element roundness detection tool | |
| CN201013544Y (en) | Inner cone body return-stroke disk assembled in hydraulic pumps | |
| CN207701617U (en) | Bearing seal cover press mounting die | |
| CN204716606U (en) | A kind of impeller | |
| CN209570100U (en) | Hobboing cutter detection device | |
| CN103603869A (en) | Thrust bearing structure of submersible motor used for well | |
| CN211117108U (en) | Main pump integrated three-liquid-tank radial water guide bearing bush | |
| CN203477065U (en) | Thrust bearing structure of well submersible motor | |
| CN204043557U (en) | A kind of conical surface bounce gauge | |
| CN204755579U (en) | System is taken aim at with four point contact ball turntable bearings to sight | |
| CN202301439U (en) | Reciprocating oscillating four-point contact ball slewing bearing | |
| JP2021025655A (en) | Support frame of angular contact ball bearing | |
| CN205841483U (en) | A kind of automatic orientation balanced controls for disc-shaped structure | |
| CN207777478U (en) | Brake caliper piston after a kind of novel automobile | |
| CN207386421U (en) | Bar straightening machine inlet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Jiangbei District, Zhejiang city of Ningbo Province China 315021 Street No. 195 Patentee after: SAIKESI HYDRAULIC TECHNOLOGY CO., LTD. Address before: Jiangbei District, Zhejiang city of Ningbo Province China 315021 Street No. 195 Patentee before: Ningbo Wide Sky SKS Hydraulic Co., Ltd. |