|Publication number||US1689016 A|
|Publication date||Oct 23, 1928|
|Filing date||Feb 7, 1927|
|Priority date||Feb 7, 1927|
|Publication number||US 1689016 A, US 1689016A, US-A-1689016, US1689016 A, US1689016A|
|Inventors||Walter W Erlewine|
|Original Assignee||Marion Machine Foundry & Suppl|
|Export Citation||BiBTeX, EndNote, RefMan|
|Referenced by (10), Classifications (7)|
|External Links: USPTO, USPTO Assignment, Espacenet|
Oct. 23, 1928.
w. w. ERLEWINE WINDLASS CONSTRUCTION Filed Feb. 7, 1927 111111.. IIIIIIIIIII II'IAIIA'IIIIIIIIIII I? 0 M M a 7/ 2 Sheets-Sheet 1 Iavenior.
' Wali'er Wrlen zzze Hts Mia z neys Oct. 23, 1928. 1,689,016
W. W. ERLEWINE wmnmss cous'rauc'non Filed Feb- 7, 1927 2 Sheets-Sheet 2 Patented Oct. 23, 1928.
UNITED star s earerrs cs.
WALTER EELEWINE, OF LONG EA CALEFOEHIA, ASSIGNOR .TO MARION MA- CHINE, FOUNDRY & SUPPLY COMPANY, OF MARION, INDIAN A, A CORPORATION.
7 Application filed February '7, 1927 Serial No. 165421,
The object of this invention is to speed the work of a Windlass construction in hoisting or pulling operations. In the trade this invention is called a speed spool for calf or bull wheels, but the invention is not limited to any particular form of windlass construction or any particular use. 7
The invention has been used chiefly in connection with a bull or calf wheel in oil well operation, for raising or pulling tubing, casing and sucker rods in oil wells and the like.
In the ordinary Windlass construction, such as a bull or calf wheel, there is one diameter of winding shaft or drum so that the winding speed is dependent on the diameter of such shaft or drum. Usually the winding shaft of a bull'or calf wheel is 13 inches in diameter, although sometimes it is 16 inches. The hoisting or pulling operation by the ordinary bull or calf wheel is relatively sloW, due to the relative small diameter thereof. This small diameter is necessary because in doing some of the work, such as the initial pull on a casing or tubing or sucker rod a powerful and slow movement is desired.
- The chief feature of this invention consists in removably securing on a portion of the power driven winding shaftof the windlass construction one or more winding spools or vconstructions of greater diameter than the shaft with tapering end flanges arranged so that the cablecan readily be wound from the shaft .onto the spool or drum or unwound therefrom onto the shaft in the rapid operation of the machine.
Ordinarily this added spool or drum of greater diameter than the shaft is called in the trade ,a speed spool and where the diameter of the shaft is 13 inches the speed spool is about 20 inches, so that the hoisting or pulling speed on the Windlass construction can be increased or the operation thereof may, at the beginning, be slow and after- Wardsthe speed is increased, according to the demands .of the work being done.
The full nature of the invention will be understobd from the accompanying drawings and the following description and claims.
a. heme. and partly in eentrallongitu dinal section, parts being broken away. Fig. 2 is a view of the'right hand end of Fig. 1 part being in plan view and a part in central longitudinal section on the line 22 of Fig. 1. Fig. 3 is a View, partly in end elevation and partly in cross section on the line 3- 3 of Fig. 1. Fig. 4 is a View of a modified form, partly in planview and partly in central longitudinal section and parts being broken away. Fig. 5 is a view of the right a Portion f ieb n part y n pl view and partly in central longitudinal sec tion and parts being broken away. Fig. 6.
is a section on line 66 of Fig. l, showing the flanges in end elevation. h A I:
In Fig. 1 there is shown a power shaft 10 of a Windlass construction of the type coinmonly called a bull wheel or calf Wheel, which is driven by suitable power means t re n ho a o w ch a ahle Winds d inds i he Wo k Of the m chine. inches in diameter and therefore, operates relatively slowly and is preferably utilized in this construction while doing heavy work he l r. per nland g ea e Pu l n power are desired. i i i i d na y t ha t i a one hi 1 p rt on of the w nding s af 03av p e $1 1 r rum'lQ is reme ab y ecure asseen'in Fig.3. This spool or drum is of r ter i t r han h sha ay 20 in e in d a et r, the t W nding ction is more speedy than that of the 10. It issecured at each end to an end flange 8 tha i cla p r otherw se se red o t shaft Thi fl ge is sisat r i llleter than the spool or'drurn 12, as seen in t pre ent h e cap f the cabl m t poo er-drum... and it tapers d w to the shaft 10' and "has recessed portion 14 f r th ready passage of the. b eifr m th s a t 0. 'the spo l, as shown n Fig- 1- This recess or groove 14 startsat the shaft lOaajnd passes up tothe spool or drum 1 2,
an f r ha r a n the mar ina po ti n Of th e d ange 13: n tch dor ut dow so as to register With the external surface of the spool or drum l2. i I
The fo ego ng m t ien nab e th machine t "op at a d. Wo k first w h th shaft 10 of relatively small diameter starting the work, such as ul lng eesng', tubing sucker red in e151 ail-er it has started and the pull becomes less, and greater speed more desirable, the cable is run up across the end flange 13 from the shaft 10 to the spool or drum 12, and then the cable is operated at a greater speed than before. This gives to the Windlass construction a plurallty of speeds for one cable.
Since the pull on the cable on the spool 12 may be very great, spacers 114 are provided Within the drum and between it and the shaft 10. Each spacer, therefore, is a ring slid- J able on the shaft 10 and within the spool or drum 12.v The spacer is formed of two semicircular halves with their abutting ends provided with laterally extending ears 15 through whichbolts 16 extend for securing .them together. Any number of these spacers may be used accordingto the length of the V spool-or-drum 12. Usually there are at least three of them, but there may be more supporting each spool or drum 12.
In mounting the speed spool on the shaft 10, the spacers 114 are first placed on the shaft and then the drum 12 is slipped over the spacers. These drums are unitary, that is made of one piece preferably, and at one end .ofthe spool or tube '12 is referably turned down as shown at 17 in 1g. 3 and enters a corresponding circular recess or seat in the flange member 13. The flange member also has a hub portion 18 which the spool 12 surrounds and is secured to by screws 19. This arrangement s for the purpose of effecting a very secure and rigid connection between the flange 13 and spool 12 so as to hold the spool in place, and particularly to prevent separation of the flange from the spool by the enormousstrain on it caused by the cable doing heavy work. The flange member 13 is made of semicircular halves, as shown in Fig. 1.3, with a tapermgbody portion, as indicated in Fig. 2, extending out as far as the diameter of the spool 12, and then the flange extends considerably beyond the spool 12 so as to pre vent the cable from slipping. off the spool.
The flange is provided with ribs 20, as shown, forreinforcing it, and the two halves are secured together by bolts 21' extending th'rough'adjacent ribs 20. The end flange is .partially cut up at 14 to form a recess or groove for the passage of the cable from the shaft 10 to the drum 12 as seen in Fig. 1. This groove or passage 14 for the cable from the shaft 10 to the drum 1.2 is seen in Fig. 1.
speed spools may be employed in series form, as shown in Fig. 4, where there is a second speed spool 112 mounted on and around the speed spool 12 in the same manner that the speed spool 12 is mounted on the shaft 10.
The outer spool 112 is shorter in length than the spool 12 on which it is mounted so that the cable can be partly wound on the shaft 10 and thereafter carried to the spool 12 of a greater diameter and then be carried to the spool 112 for even a greater speed. The outer spool 112 requires a flange 113 similar to the end flange 13, excepting it is of greater diameter. When two concentric speed spools or drums are employed, as shown in 4, the left hand end of said spools may be mounted on a single end flange 213. This is like the other flange excepting it is mounted on the shaft 10 and has two hubs 18 and 118, the former extending further inward than the latter for mounting the ends of the two spools or drums. However the de tails of form of the different flanges may be modified as desired by the builder and pref-- erably the spacer 214 and flange 113 for the outer drum should surround the spacers 114 for the inner drum to give a stronger support for the outer spool in resisting the pull of the cable. I
While details and dimensions are herein given, the invention is not limited to them as they may be obviously varied to suit the desires of the manufacturer or purchaser and according to the workto be done.
I claim as my invention:
V 1. change speed Windlass construction including a cable winding member of relatively small diameter, a cable winding tubular member of greater diameter removably mounted on a portion of said smaller'm'ember, an annular flange surrounding the smaller memher and connected with each end of the larger member and having an inclined groove therein for the cable to pass from one member to the other, and a spacer removably mounted on the smaller member for supporting the larger member intermediate its ends substantially as a set forth. p s
2. A change speed Windlass construction including a cable winding member of relatively small diameter, a cable winding tubular member of greater diameter removably mounted on a portion of said smaller member, an an nular flange surrounding the smaller member and connected with each end of the larger member and provided with an integral annular shoulder extending into and secured to each end of said member for supporting the same and'having an inclined groove therein for the cable to pass from one member to the other.
3. A change speed Windlass construction in cluding a power driven shaft, a cable therefor,a small speed spool removably secured on a portion of the said shaft and being of greater diameter than the shaft and spaced therefrom, a larger speed spool removably secured on a portion of said small speed spool and being shorter than the small speed spool and spaced therefrom, and flanges for mounting said spools concentrically of the shaft and of each other and having inclined grooves for the cable to pass from the shaft to the spools and from the small spool to the larger spools substantially as set forth.
4. A Windlass construction including a power driven shaft, a cable therefor, a small speed spool removably secured on a portion of said shaft and being of greater diameter than the shaft andspaced away from the shaft, a tapering flange secured to the end of the spool and of greater diameter than the spool and sloping downward to the shaft and having a recess therein through which the cable may be led from the shaft to the spool, a larger speed spool re-movably secured on a portion of said small speed. spool and being spaced therefrom, a flange secured to the end of said large speed spool and mounted on said small speed spool and sloping downward thereto and having a recess therein for the cable to be led from the small spool to the large spool, and annular spacers within and supporting said spools between their ends, substantially as set forth.
5. A Windlass construction substantially as set forth in claim 4:, with the flange secured to the end of the larger spool surrounding the smaller spool, and the spacer in the smaller spool.
6. A Windlass construction substantially as set forth in claim 4 with a single flange for supporting both of said spools at one end of the construction, said flange being mounted on said shaft and having two annular hubs,
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|U.S. Classification||242/603, 242/903, 242/608.4|
|Cooperative Classification||Y10S242/903, B66D1/30|