CN215711361U - Winch for speed change of tractor - Google Patents

Abstract

The utility model belongs to the technical field of speed change parts, and discloses a winch for speed change of a tractor, which comprises a winch body, wherein a first shaft bin is fixedly installed on the left side of the top of the winch body, a second shaft bin is fixedly installed on the right side of the top of the winch body, shaft sleeves are fixedly communicated between the opposite surfaces of the first shaft bin and the second shaft bin, and transmission shafts are movably sleeved in the shaft sleeves. According to the utility model, the speed change shaft, the shifting tooth sheet and the shifting fork rod are arranged, so that a user can conveniently adjust the positions of the driving gear and the first gear respectively through the shifting tooth sheet and the shifting fork rod, the effect of changing the speed of the driving shaft can be achieved through the third gear, the driving bevel gear and the driven bevel gear in sequence by changing the connection of the driving gear and different positions on the surface of the speed change shaft, and meanwhile, the purpose of adjusting the rotating speed of the shaft sleeve is achieved because the first gear can move through the second gear transmission shaft sleeve.

Description

Winch for speed change of tractor

Technical Field

The utility model belongs to the technical field of speed change components, and particularly relates to a winch for speed change of a tractor.

Background

The winch comprises a manual winch, an electric winch, a hydraulic winch, a pneumatic winch and a mechanical winch and is mainly used for off-road vehicles, agricultural vehicles, ATV all-terrain vehicles, yachts, fire rescue vehicles, road wreckers, other special vehicles, special vehicles and the like.

At present, the use of the automobile winch is increasingly common, and although the existing winch can also meet the requirement of daily use, the existing winch has the problems of large axial force caused by more single-stage transmission, easy heating and low efficiency, so that the improvement of the existing winch is needed.

Meanwhile, the speed change operation of the existing winch is not simple enough, and the winch is often used under the special condition that the automobile is trapped, so that the simple operation of the winch is very important, otherwise, great trouble is brought to careers, even more serious accidents are caused by the difficulty in operation, and therefore, the improvement of the winch is also needed.

SUMMERY OF THE UTILITY MODEL

The present invention has been made in view of the above problems, and it is an object of the present invention to provide a winch for changing speed of a tractor, which has advantages of easy speed change and convenient use.

In order to achieve the purpose, the utility model provides the following technical scheme: a winch for speed change of a tractor comprises a winch body, wherein a first shaft bin is fixedly installed on the left side of the top of the winch body, a second shaft bin is fixedly installed on the right side of the top of the winch body, shaft sleeves are fixedly communicated between opposite surfaces of the first shaft bin and the second shaft bin, a transmission shaft is movably sleeved in the shaft sleeves, a first gear located in the first shaft bin is fixedly sleeved at the left end of the outer surface of the transmission shaft, a second gear is fixedly sleeved at the outer surface of the first gear, a driven bevel gear located in the second shaft bin is fixedly sleeved at the right end of the outer surface of the transmission shaft, a driving bevel gear located on the left side of the driven bevel gear is movably installed at the bottom of the inner cavity of the second shaft bin, the left side of the driving bevel gear is meshed with the right side of the driven bevel gear, and the bottom of the driving bevel gear penetrates through the second shaft bin and extends into the winch body, the fixed cover in bottom of initiative bevel gear surface has connect the third gear that is located the capstan winch body inside, the middle part movable mounting of capstan winch body inner chamber has the variable speed axle, the right side of variable speed axle is connected with the left side meshing of third gear, because the setting of variable speed axle, can reach the purpose that changes different gear engagement through changing the driving gear and being connected of variable speed axle, and then realize the function of variable speed, and can the person of facilitating the use adjust driving gear and first gear respectively through rocker and first push rod through dialling the flight and dialling the fork arm to realize the person of facilitating the use and carry out the variable speed operation.

As a preferred technical scheme of the utility model, the winch body is internally and movably provided with an input shaft positioned on the left side of the speed change shaft, the outer surface of the input shaft is fixedly sleeved with a driving gear, the right side of the driving gear is meshed and connected with the left side of the third gear, an external power source can be connected with the equipment through the arranged input shaft so as to enable the equipment to move, and the purpose of speed change can be achieved by changing the connection between the driving gear and the speed change shaft.

As a preferred technical scheme of the present invention, a guide bearing for a shaft is fixedly sleeved on the top of the outer surface of the drive bevel gear, the outer surface of the guide bearing for a shaft is fixedly connected with the inner wall of the second shaft bin, a tapered roller bearing located above the third gear is fixedly sleeved on the outer surface of the drive bevel gear, the outer surface of the tapered roller bearing is fixedly connected with the inside of the winch body, the left and right ends of the shaft sleeve and the transmission shaft are respectively and fixedly connected with the inner walls of the first shaft bin and the second shaft bin through the tapered roller bearing, and the top and the bottom of the outer surfaces of the speed change shaft and the input shaft are respectively and fixedly connected with the inner wall of the winch body through the tapered roller bearing.

As a preferred technical scheme, the winch comprises a winch body, a driving gear piece is movably mounted inside the winch body, a connecting rod is fixedly connected to the left end of the driving gear piece, the left end of the connecting rod penetrates through the winch body and extends to the left side of the winch body, a rocker is fixedly sleeved on the connecting rod, and due to the fact that the connecting rod is arranged, a user can conveniently drive the driving gear piece to move by rotating the rocker, and the purpose of moving the position of a driving gear is achieved.

As a preferred technical scheme of the utility model, a shifting fork rod is movably mounted inside the first shaft bin, the left end of the shifting fork rod penetrates through the first shaft bin, extends to the left side of the first shaft bin, and is movably hinged with a first push rod, the front end of the first push rod is fixedly connected with a connecting shaft, the front end of the connecting shaft is fixedly connected with a second push rod, and through the arranged shifting fork rod, a user can conveniently adjust the position of the first gear by pushing the second push rod.

As a preferred technical scheme of the utility model, limiting plates positioned above and below the connecting shaft are fixedly installed on the left side of the first shaft bin, limiting grooves are formed in the top and the bottom of each limiting plate, a limiting rod is movably sleeved in each limiting groove, the other end of each limiting rod penetrates through the corresponding limiting groove, extends to the outside of each limiting plate and is fixedly connected with the top and the bottom of the corresponding connecting shaft, and due to the arrangement of the limiting grooves and the corresponding limiting rods, the effect of limiting the movement of the first push rod and the second push rod can be achieved through the connecting shaft under the matching of the limiting grooves and the limiting rods, and meanwhile, a user can conveniently drive the shifting fork rods to move along a required path when pushing the second push rod and the first push rod.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, by arranging the speed change shaft, the driving gear, the shifting tooth sheet and the shifting fork rod, the effect of respectively adjusting the positions of the driving gear and the first gear by a user can be achieved conveniently, and the effect of changing the speed of the driving shaft can be achieved by sequentially passing through the third gear, the driving bevel gear and the driven bevel gear by changing the connection of the driving gear and different positions on the surface of the speed change shaft, and meanwhile, the purpose of adjusting the rotating speed of the shaft sleeve can be achieved as the first gear can move through the second gear transmission shaft sleeve.

2. According to the utility model, by arranging the rocker, the first push rod, the limiting groove and the limiting rod, a user can conveniently adjust the shifting tooth sheet and the shifting fork rod through the remote rod and the first push rod, the positions of the first push rod and the second push rod can be limited through the connecting shaft under the action of the limiting plate, so that the situation that the second push rod drives the shifting fork rod to move up and down through the first push rod to be damaged can be avoided, the transverse movement of the first push rod and the second push rod can be limited through the connecting shaft under the matching of the limiting groove and the limiting rod, and meanwhile, the second push rod and the first push rod can be ensured to drive the shifting fork rod to move along a required path, so that the purpose that the user adjusts the position of the first gear through the shifting fork rod can be realized.

Drawings

FIG. 1 is a schematic view of the left side of the present invention;

FIG. 2 is a right side schematic view of the present invention;

FIG. 3 is a schematic cross-sectional front view of the present invention;

FIG. 4 is a left side view of the present invention;

FIG. 5 is a schematic top view of the present invention

FIG. 6 is a schematic view of a top view of a portion of the limiting plate of the present invention;

fig. 7 is a partially enlarged schematic view of a portion a in fig. 1.

In the figure: 1. a winch body; 2. a first shaft bin; 3. a second shaft bin; 4. a shaft sleeve; 5. a drive shaft; 6. a first gear; 7. a second gear; 8. a driven bevel gear; 9. a drive bevel gear; 10. a third gear; 11. a speed change shaft; 12. an input shaft; 13. a driving gear; 14. a guide bearing for the shaft; 15. a tapered roller bearing; 16. a tooth pulling sheet; 17. a rocker; 18. a fork lever; 19. a first push rod; 20. a connecting shaft; 21. a second push rod; 22. a limiting plate; 23. a limiting groove; 24. a limiting rod; 25. a connecting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 7, the present invention provides a winch for tractor speed change, comprising a winch body 1, wherein a first shaft bin 2 is fixedly installed on the left side of the top of the winch body 1, a second shaft bin 3 is fixedly installed on the right side of the top of the winch body 1, shaft sleeves 4 are fixedly communicated between the facing surfaces of the first shaft bin 2 and the second shaft bin 3, a transmission shaft 5 is movably sleeved inside the shaft sleeves 4, a first gear 6 positioned inside the first shaft bin 2 is fixedly sleeved on the left end of the outer surface of the transmission shaft 5, a second gear 7 is fixedly sleeved on the outer surface of the first gear 6, a driven bevel gear 8 positioned inside the second shaft bin 3 is fixedly sleeved on the right end of the outer surface of the transmission shaft 5, a driving bevel gear 9 positioned on the left side of the driven bevel gear 8 is movably installed on the bottom of the inner cavity of the second shaft bin 3, the left side of the driving bevel gear 9 is engaged with the right side of the driven bevel gear 8, the bottom of drive bevel gear 9 runs through secondary shaft storehouse 3 and extends to the inside of capstan winch body 1, the fixed third gear 10 that is located capstan winch body 1 inside that has cup jointed in bottom of drive bevel gear 9 surface, the middle part movable mounting of capstan winch body 1 inner chamber has variable speed shaft 11, the right side of variable speed shaft 11 is connected with the left side meshing of third gear 10, because the setting of variable speed shaft 11, can be connected with variable speed shaft 11 through changing driving gear 13, reach the mesh that changes different gear engagement, and then realize the function of variable speed, and can the person of facilitating the use adjust driving gear 13 and first gear 6 respectively through rocker 17 and first push rod 19 through dialling bits 16 and declutch shift lever 18, thereby realize the person of facilitating the use and carry out the variable speed operation.

Wherein, the inside movable mounting of capstan winch body 1 has the input shaft 12 that is located the left side of variable speed shaft 11, and the fixed cover of surface of input shaft 12 has connect driving gear 13, and the right side of driving gear 13 is connected with the left side meshing of third gear 10, through the input shaft 12 that sets up, can be connected external power supply and this equipment, and then makes its motion, and through changing being connected of driving gear 13 and variable speed shaft 11, can reach the purpose of variable speed.

Wherein, the fixed guide bearing 14 for the axle that has cup jointed in top of the drive bevel gear 9 surface, the outer surface of guide bearing 14 for the axle and the inner wall fixed connection of second shaft storehouse 3, the outer fixed surface of drive bevel gear 9 has cup jointed the tapered roller bearing 15 that is located the third gear 10 top, the surface of tapered roller bearing 15 and the inside fixed connection of capstan winch body 1, axle sleeve 4 and transmission shaft 5 all through tapered roller bearing 15 respectively with the inner wall fixed connection of first shaft storehouse 2 and second shaft storehouse 3 in both ends about, the top and the bottom of change speed shaft 11 and input shaft 12 surface all through tapered roller bearing 15 and the inner wall fixed connection of capstan winch body 1.

Wherein, the inside movable mounting of capstan winch body 1 has group's tooth piece 16, dials the left end fixedly connected with connecting rod 25 of tooth piece 16, and the left end of connecting rod 25 runs through capstan winch body 1 and extends to the left side of capstan winch body 1 and fixed the cup joint has rocker 17, because the setting of connecting rod 25, can the person of facilitating the use drive group tooth piece 16 through rotating rocker 17 and move, and then reach the purpose of removing the position of driving gear 13.

Wherein, the inside movable mounting in first axle storehouse 2 has declutch shift lever 18, and the left end of declutch shift lever 18 runs through first axle storehouse 2 and extends to the left side of first axle storehouse 2 and the activity articulates there is first push rod 19, and the front end fixedly connected with connecting axle 20 of first push rod 19, and the front end fixedly connected with second push rod 21 of connecting axle 20, through the declutch shift lever 18 that sets up, can the person of facilitating the use reach the purpose of adjusting the position of first gear 6 through promoting second push rod 21.

Wherein, the left side fixed mounting in first shaft storehouse 2 has the limiting plate 22 that is located connecting axle 20 top and below, spacing groove 23 has all been seted up to limiting plate 22's top and bottom, gag lever post 24 has been cup jointed in the inside activity of spacing groove 23, the other end of gag lever post 24 run through the gag lever post 23 and extend to limiting plate 22 outside and with connecting axle 20's top and bottom fixed connection, because spacing groove 23 and gag lever post 24's setting, can play spacing effect through connecting axle 20 to the motion of first push rod 19 and second push rod 21 under the cooperation of the two, also convenient to use person drives fork arm 18 along the route motion of needs when promoting second push rod 21 and first push rod 19 simultaneously.

The working principle and the using process of the utility model are as follows:

firstly, the second push rod 21 is pushed to drive the shifting fork rod 18 to move with required strength through the first push rod 19 under the matching of the limiting plate 22, the limiting groove 23 and the limiting rod 24, the shifting fork rod 18 can contact the first gear 6 to be connected with the second gear 7, then the rotating rocker 17 can drive the shifting piece 16 to rotate through the connecting rod 25, the rotation of the shifting piece 16 can push the driving gear 13 to slide along the outer surface of the input shaft 12, gear engagement of different speed ratios of the driving gear 13 and the outer surface of the variable speed shaft 11 can be changed, and the purpose of speed change can be realized;

then be connected equipment and external power source and start external power source through input shaft 12, and then can drive input shaft 12 rotatory, and input shaft 12 rotation can drive third gear 10 rotatory through speed change shaft 11, because the rotation of third gear 10 can drive driven bevel gear 8 rotatory through initiative bevel gear 9, and driven bevel gear 8's rotation can drive first gear 6 rotatory through transmission shaft 5, because the rotation of first gear 6 then can drive axle sleeve 4 rotatory through second gear 7.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A winch for tractor speed variation, comprising a winch body (1), characterized in that: the winch is characterized in that a first shaft bin (2) is fixedly mounted on the left side of the top of the winch body (1), a second shaft bin (3) is fixedly mounted on the right side of the top of the winch body (1), shaft sleeves (4) are fixedly communicated between opposite surfaces of the first shaft bin (2) and the second shaft bin (3), a transmission shaft (5) is sleeved on the inner portion of each shaft sleeve (4), a first gear (6) located inside the first shaft bin (2) is fixedly sleeved on the left end of the outer surface of the transmission shaft (5), a second gear (7) is sleeved on the outer surface of the first gear (6), a driven bevel gear (8) located inside the second shaft bin (3) is fixedly sleeved on the right end of the outer surface of the transmission shaft (5), and a driving bevel gear (9) located on the left side of the driven bevel gear (8) is movably mounted at the bottom of the inner cavity of the second shaft bin (3), the left side of drive bevel gear (9) is connected with the right side meshing of driven bevel gear (8), the bottom of drive bevel gear (9) runs through second shaft storehouse (3) and extends to the inside of capstan winch body (1), the fixed third gear (10) that are located capstan winch body (1) inside that has cup jointed in bottom of drive bevel gear (9) surface, the middle part movable mounting of capstan winch body (1) inner chamber has variable speed shaft (11), the right side of variable speed shaft (11) is connected with the left side meshing of third gear (10).

2. A winch for tractor speed change according to claim 1, wherein: the winch is characterized in that an input shaft (12) located on the left side of a speed changing shaft (11) is movably mounted inside the winch body (1), a driving gear (13) is fixedly sleeved on the outer surface of the input shaft (12), and the right side of the driving gear (13) is meshed with the left side of a third gear (10) and is connected with the left side of the third gear.

3. A winch for tractor speed change according to claim 1, wherein: the top of the outer surface of the driving bevel gear (9) is fixedly sleeved with a guide bearing (14) for a shaft, the outer surface of the guide bearing (14) for the shaft is fixedly connected with the inner wall of the second shaft bin (3), the outer surface of the driving bevel gear (9) is fixedly sleeved with a tapered roller bearing (15) located above the third gear (10), and the outer surface of the tapered roller bearing (15) is fixedly connected with the inside of the winch body (1).

4. A winch for tractor speed change according to claim 1, wherein: the inside movable mounting of capstan winch body (1) has group flight (16), the left end fixedly connected with connecting rod (25) of group flight (16), the left end of connecting rod (25) runs through capstan winch body (1) and extends to the left side of capstan winch body (1) and fixed cover has connect distant pole (17).

5. A winch for tractor speed change according to claim 1, wherein: the inside movable mounting in first axle storehouse (2) has declutch shift lever (18), the left end of declutch shift lever (18) runs through first axle storehouse (2) and extends to the left side in first axle storehouse (2) and the activity articulates there is first push rod (19), the front end fixedly connected with connecting axle (20) of first push rod (19), the front end fixedly connected with second push rod (21) of connecting axle (20).

6. A winch for tractor speed change according to claim 1, wherein: the left side fixed mounting in first axle storehouse (2) has limiting plate (22) that is located connecting axle (20) top and below, spacing groove (23) have all been seted up to the top and the bottom of limiting plate (22), gag lever post (24) have been cup jointed in the inside activity of spacing groove (23), the other end of gag lever post (24) run through spacing groove (23) and extend to the outside of limiting plate (22) and with the top and the bottom fixed connection of connecting axle (20).

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