CN214499948U - Transfer case and agricultural machine - Google Patents
Transfer case and agricultural machine Download PDFInfo
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- CN214499948U CN214499948U CN202022525232.2U CN202022525232U CN214499948U CN 214499948 U CN214499948 U CN 214499948U CN 202022525232 U CN202022525232 U CN 202022525232U CN 214499948 U CN214499948 U CN 214499948U
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Abstract
The utility model provides a transfer case, which is used for agricultural machinery and comprises a case body, wherein a shaft for inputting power is arranged in the case body, two ends of the shaft are arranged on the case body through bearings, and high-low gear fixing teeth are fixedly arranged on the shaft; a second shaft parallel to the first shaft is arranged in the box body, and sliding teeth and driving teeth which can slide along the second shaft are arranged on the second shaft; still be equipped with fore-drive axle and back-drive axle in the box, still be equipped with differential mechanism assembly between fore-drive axle and the back-drive axle, still be equipped with driven tooth and the back-drive tooth that sets up side by side on the back-drive axle. The transfer case with the structure has a relatively simple structure, and can realize high-speed full-time four-wheel drive, high-speed synchronous four-wheel drive and high-speed independent rear drive by moving the driving teeth on the two shafts in the running process. Compare with the transfer case of current structure, it has use cost low to and whole driving capability is strong, the big advantage of load. Furthermore, the utility model discloses still provide an agricultural machine.
Description
Technical Field
The utility model relates to the field of agricultural machinery, in particular to transfer case and agricultural machine.
Background
In recent years, with the continuous development of economy, various agricultural machines such as tractors and the like are more and more widely applied in vast rural areas.
Transfer case for carry out the device that distributes with the power of engine, can be with power take off to the rear axle, perhaps export preceding/rear axle simultaneously, use more and more extensively on present tractor, but the gearbox that extensively applies to tractor at present, receive many-sided factors such as structure and cost consideration, the universal existence can't be for a long time high-speed all-time four-wheel drive to and can't realize the problem of synchronous four-wheel drive, lead to the whole driving force of tractor, and load-carrying capacity all relatively poor.
In conclusion, how to provide a transfer case which has a simple and practical structure, can be driven for a long time at high speed and all times, can be driven independently at high speed, and can be driven synchronously at four drives, and a tractor comprising the transfer case become technical problems which need to be solved by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the transfer case has a simple and practical structure, can be driven for a long time at high speed and all times, can be driven independently at high speed, can be driven synchronously at all times, and comprises the transfer case.
The utility model discloses a solution is realized like this: the utility model provides a transfer case, which is used for agricultural machinery and comprises a case body, wherein a shaft for inputting power is arranged in the case body, two ends of the shaft are arranged on the case body through bearings, and high-low gear fixing teeth are fixedly arranged on the shaft; a second shaft parallel to the first shaft is arranged in the box body, and sliding teeth and driving teeth which can slide along the second shaft are arranged on the second shaft; still be equipped with fore-drive axle and back-drive axle in the box, still be equipped with differential mechanism assembly between fore-drive axle and the back-drive axle, still be equipped with driven tooth and the back-drive tooth that sets up side by side on the back-drive axle. The transfer case with the structure has a relatively simple structure, and can realize high-speed full-time four-wheel drive, high-speed synchronous four-wheel drive and high-speed independent rear drive by moving the driving teeth on the two shafts in the running process. Compare with the transfer case of current structure, it has use cost low to and whole driving capability is strong, the big advantage of load.
The utility model discloses an another technical scheme lies in on above-mentioned basis, high-low gear fixed tooth includes high-grade fixed tooth and low-grade fixed tooth, be equipped with on the slip tooth and stir the first shift fork of slip tooth, during the slip tooth horizontal slip, can respectively with high-grade fixed tooth or the meshing of low-grade fixed tooth.
Another technical scheme of the utility model lies in on the above-mentioned basis, it can stir still to be equipped with on the drive tooth the second shift fork of drive tooth, the drive tooth can with driven tooth meshing, or with the back-drive tooth meshing, perhaps, simultaneously with driven tooth and back-drive tooth meshing.
The utility model discloses a another technical scheme lies in on above-mentioned basis, still be equipped with a plurality of spline on the two axles, the slip tooth with be equipped with the spline housing on the initiative tooth respectively to respectively through the spline housing with the spline fit.
The utility model discloses a another technical scheme lies in on above-mentioned basis, the one end of an axle still is equipped with the oil blanket lid, oil blanket lid detachably fixed set up in on the box.
The utility model discloses a another technical scheme lies in on above-mentioned basis, the bearing is including relative first bearing and the second bearing that sets up, first bearing and second bearing set up respectively in the both ends of an axle.
The utility model discloses a another technical scheme lies in on above-mentioned basis, still be equipped with a plurality of oil blanket in the oil blanket lid, the one end of oil blanket support hold in first bearing deviates from one side of second bearing, the periphery of oil blanket support hold in on the inner wall of oil blanket lid.
The utility model discloses an another technical scheme lies in on above-mentioned basis, the oil blanket is the skeleton oil blanket, the quantity of skeleton oil blanket is two.
Another technical solution of the present invention is in the above structure, wherein the differential assembly includes a housing, the driven gear is fixedly connected to the housing detachably.
On the other hand, the utility model also provides an agricultural machine, including the transfer case, the transfer case be as above the transfer case.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation.
FIG. 1 is a schematic cross-sectional view of a transfer case of the present invention in a high speed, full time, four wheel drive mode;
FIG. 2 is a schematic cross-sectional view of the transfer case in a high speed synchronous four wheel drive state according to the present invention;
fig. 3 is a schematic sectional view of the transfer case in a high-speed independent rear-drive state.
The corresponding relation of the reference signs is as follows:
1 case 2 first bearing 3 oil seal cover
4 oil seal 5-shaft 6-high-low gear fixing tooth
7 two shafts 8 sliding teeth 9 first shifting fork
10 second fork 11 driving tooth 12 front driving shaft
13 differential assembly 14 driven gear 15 rear driving gear
16 rear drive shaft 17 second bearing
Detailed Description
The present invention will be described in detail with reference to the drawings, which are provided for illustrative and explanatory purposes only and should not be construed as limiting the scope of the present invention in any way. Furthermore, features from embodiments in this document and from different embodiments may be combined accordingly by a person skilled in the art from the description in this document.
The embodiment of the utility model provides a as follows, please refer to the transfer case that fig. 1 to fig. 3 show for on the agricultural machine, the transfer case specifically includes box 1, is equipped with an axle 5 that is used for input power in the box 1, specifically, the both ends of an axle 5 set up on box 1 through the bearing respectively, and a fixed high-low gear fixed tooth 6 that still is provided with on 5, when an axle 5 is rotatory, drive high-low gear fixed tooth 6 and rotate in the lump. The box body 1 is also internally provided with a secondary shaft 7 which is arranged in parallel with the primary shaft 5, the secondary shaft 7 is also provided with a sliding tooth 8 and a driving tooth 11 which can slide left and right along the secondary shaft 7, and the sliding tooth 8 can be meshed with or separated from the high-low gear fixing tooth 6 in the sliding process. The box body 1 is also internally provided with a front drive shaft 12 and a rear drive shaft 16, a differential assembly 13 is further arranged between the front drive shaft 12 and the rear drive shaft 16, the rear drive shaft 16 is also provided with a driven tooth 14 and a rear drive tooth 15 which are arranged side by side, and when the driving tooth 11 moves left and right on the secondary shaft 7, the driving tooth can be respectively meshed with the driven tooth 14, the rear drive tooth 15 or the driven tooth 14 and the rear drive tooth 15 simultaneously. The transfer case with the structure has a relatively simple structure, and can realize high-speed full-time four-wheel drive, high-speed synchronous four-wheel drive and high-speed independent rear drive by moving the driving teeth 11 on the two shafts 7 in the driving process. Compare with the transfer case of current structure, it has use cost low to and whole driving capability is strong, the big advantage of load.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1 to fig. 3, the high-low gear fixing teeth 6 specifically include high-grade fixing teeth and low-grade fixing teeth, and the sliding teeth 8 are provided with a first shifting fork 9 capable of shifting the sliding teeth 8, and when the sliding teeth 8 slide left and right, the sliding teeth can be respectively engaged with the high-grade fixing teeth or the low-grade fixing teeth. When the sliding teeth 8 are meshed with the high-grade fixed teeth, the transfer case outputs high speed. And when the sliding teeth 8 are engaged with the low-gear fixed teeth, the transfer case outputs low speed.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1 to fig. 3, the driving tooth 11 is further provided with a second fork 10 capable of shifting the driving tooth 11, and the driving tooth 11 can be meshed with the driven tooth 14, can also be meshed with the rear-drive tooth 15, and can also be meshed with the driven tooth 14 and the rear-drive tooth 15 simultaneously. Specifically, when the driving teeth 11 are engaged with the rear driving teeth 15, the rear driving teeth 15 drive the rear driving shaft 16 to rotate, and the rear driving shaft 16 outputs power, so that high-speed independent rear driving can be realized. When the driving teeth 11 are engaged with the driven teeth 14, the driven teeth 14 drive the front driving shaft 12 and the rear driving shaft 16 to rotate simultaneously, and at the moment, high-speed full-time four-wheel drive can be realized. When the driving tooth 11 is simultaneously engaged with the driven tooth 14 and the rear driving tooth 15, high-speed synchronous four-wheel drive can be realized.
On the basis of the above-mentioned embodiment, the utility model discloses in another embodiment, still be equipped with a plurality of spline (not shown in the figure) on the two axles 7, slip tooth 8 and drive tooth 11 on be equipped with respectively with spline fit's spline housing, slip tooth 8 promptly and drive tooth 11 respectively through spline housing and spline fit.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1 to fig. 3, an oil seal cover 3 is further disposed at an end of a shaft 5, specifically, the left end shown in the drawing is disposed at the left end, the oil seal cover 3 is detachably fixed to the box body 1, specifically, a threaded hole is further disposed on the oil seal cover 3, a bolt is further disposed in the threaded hole, and the oil seal cover 3 is fixed to the box body 1 through the bolt.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1 to fig. 3, the bearing specifically includes the first bearing 2 and the second bearing 17, the first bearing 2 and the second bearing 17 are respectively disposed at two ends of a shaft 5, and when the shaft 5 rotates, the shaft rotates in the first bearing 2 and the second bearing 17.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1 to fig. 3, a plurality of oil seals 4 for sealing are further disposed in the oil seal cover 3, one end of each oil seal 4, i.e., the right end shown in the figure, is supported to the side of the first bearing 2 deviating from the second bearing 17, i.e., the left side shown in the figure, and the periphery of each oil seal 4 is supported to the inner wall of the oil seal cover 3.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1 to fig. 3, the oil seal 4 is a framework oil seal, the number of the framework oil seals is two, and the two framework oil seals are arranged closely to play a role of double sealing.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1 to fig. 3, the differential assembly 13 specifically includes a housing, the driven gear 14 is detachably fixed to the housing, specifically, bolt holes are provided on the driven gear 14 and the housing, and bolts are provided in the bolt holes, that is, the driven gear 14 and the housing are fixedly connected together through the bolts.
On the other hand, the utility model also provides an agricultural machine, including the transfer case, the transfer case specifically is as above the transfer case. As the agricultural machine, more specifically, a wheeled tractor is preferable.
The agricultural machine with the structure has the advantages of high-speed full-time four-wheel drive, high-speed synchronous four-wheel drive, high-speed independent rear drive, strong specific overall driving capability, heavy load and the like.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A transfer case is used for agricultural machinery and is characterized by comprising a case body, wherein a shaft for inputting power is arranged in the case body, two ends of the shaft are arranged on the case body through bearings, and high-low gear fixing teeth are fixedly arranged on the shaft;
a second shaft parallel to the first shaft is arranged in the box body, and sliding teeth and driving teeth which can slide along the second shaft are arranged on the second shaft;
still be equipped with fore-drive axle and back-drive axle in the box, still be equipped with differential mechanism assembly between fore-drive axle and the back-drive axle, still be equipped with driven tooth and the back-drive tooth that sets up side by side on the back-drive axle.
2. The transfer case of claim 1, wherein the high-low gear fixing teeth comprise high-gear fixing teeth and low-gear fixing teeth, the sliding teeth are provided with first shifting forks which can shift the sliding teeth, and the sliding teeth can be meshed with the high-gear fixing teeth or the low-gear fixing teeth respectively when sliding left and right.
3. The transfer case of claim 2, wherein the driving gear is further provided with a second shifting fork capable of shifting the driving gear, and the driving gear is capable of being meshed with the driven gear, or meshed with the rear-drive gear, or meshed with both the driven gear and the rear-drive gear.
4. The transfer case of claim 3, wherein the secondary shaft is further provided with a plurality of splines, and the sliding teeth and the driving teeth are respectively provided with spline sleeves and are respectively matched with the splines through the spline sleeves.
5. The transfer case of claim 4, wherein an oil seal cover is also provided at one end of said shaft, said oil seal cover being removably fixedly disposed on said case.
6. The transfer case of claim 5, wherein the bearings include first and second oppositely disposed bearings, the first and second bearings being disposed at respective ends of the shaft.
7. The transfer case of claim 6, wherein a plurality of oil seals are further disposed in the oil seal cover, one end of each oil seal abuts against one side of the first bearing, which is away from the second bearing, and the periphery of each oil seal abuts against the inner wall of the oil seal cover.
8. The transfer case of claim 7, wherein the oil seals are backbone oil seals, the number of backbone oil seals being two.
9. The transfer case of claim 8, wherein the differential assembly includes a housing, the driven teeth being removably fixedly coupled with the housing.
10. An agricultural machine comprising a transfer case, wherein the transfer case is as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022525232.2U CN214499948U (en) | 2020-11-04 | 2020-11-04 | Transfer case and agricultural machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022525232.2U CN214499948U (en) | 2020-11-04 | 2020-11-04 | Transfer case and agricultural machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214499948U true CN214499948U (en) | 2021-10-26 |
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ID=78197211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022525232.2U Active CN214499948U (en) | 2020-11-04 | 2020-11-04 | Transfer case and agricultural machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214499948U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112413079A (en) * | 2020-11-04 | 2021-02-26 | 长沙桑铼特农业机械设备有限公司 | Transfer case and agricultural machine |
-
2020
- 2020-11-04 CN CN202022525232.2U patent/CN214499948U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112413079A (en) * | 2020-11-04 | 2021-02-26 | 长沙桑铼特农业机械设备有限公司 | Transfer case and agricultural machine |
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