CN214607072U

CN214607072U - Tractor drive axle

Info

Publication number: CN214607072U
Application number: CN202022677833.5U
Authority: CN
Inventors: 文志辉; 程峰; 刘玲; 汪旭初
Original assignee: Hangzhou Xinghong Machinery Co ltd
Current assignee: Hangzhou Xinghong Machinery Co ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-11-05
Anticipated expiration: 2030-11-18

Abstract

The utility model relates to the technical field of drive axles, in particular to a tractor drive axle which can effectively improve the stability of a vehicle body; the right support assembly comprises a rubber auxiliary spring, an inner hexagonal plug and a combined washer, and radial spherical bearings are arranged on the left support assembly and the right support assembly.

Description

Tractor drive axle

Technical Field

The utility model relates to a technical field of transaxle especially relates to a tractor transaxle.

Background

As is known, a tractor drive axle is an auxiliary device located at the end of a transmission system, able to vary the speed and torque coming from a variator and transmit them to the drive wheels, and is widely used in the field of transmission systems; the tractor needs to carry heavy objects, so that the requirement on a drive axle is higher, the transmission ratio of a common drive axle is low, the stability is poor, and the requirement of the tractor cannot be met.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a tractor transaxle has better stability when having high drive ratio.

The utility model discloses a tractor transaxle, including reduction gear assembly, left support assembly, right support assembly, left brake, right brake, left semi-axis, right semi-axis and wheel hub body, be provided with first tapered roller bearing and second tapered roller bearing between right semi-axis and the wheel hub body, right support assembly still includes rubber auxiliary spring, hexagon socket head cap screw and combination packing ring, all is provided with radial spherical plain bearing on left support assembly and the right support assembly.

Preferably, the speed reducer assembly is fixedly installed with the right support assembly through the O-shaped ring, the second framework oil seal, the adjusting gasket and the first outer hexagon bolt.

Preferably, the right brake is fixedly installed on the right support assembly through the second outer hexagon bolt, the first elastic cushion and the second framework oil seal.

Preferably, the right brake is fixedly connected with the hub body through the outer hexagonal thin nut, the third outer hexagonal bolt, the second elastic pad, the hub nut, the hub bolt, the half-shaft gasket and the anti-loose washer.

Preferably, the right axle sleeve further comprises an oil seal nut, a cylindrical pin, a third elastic cushion, a fourth outer hexagonal bolt and a third framework oil seal, and the hub body is fixedly installed on the right axle sleeve through the oil seal nut, the cylindrical pin, the third elastic cushion, the fourth outer hexagonal bolt and the third framework oil seal.

Compared with the prior art, the beneficial effects of the utility model are that: the device changes the rotating speed and the torque from the speed changer and transmits the rotating speed and the torque to the driving wheel, has higher transmission output ratio, meets the requirement of the tractor for carrying heavy objects, and has compact structure, good bearing capacity and good long-term use stability.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the drawings, the reference numbers: 1. a reducer assembly; 2. a left support assembly; 3. a right support assembly; 4. a left brake; 5. a right brake; 6. a left half shaft; 7. a right half shaft; 8. a hub body; 9. a first tapered roller bearing; 10. a second tapered roller bearing; 11. a rubber auxiliary spring; 12. an inner hexagonal plug screw; 13. a combination washer; 14. a radial spherical plain bearing; 15. an O-shaped ring; 16. a first framework oil seal; 17. adjusting the gasket; 18. a first outer hexagon bolt; 19. a second outer hexagon bolt; 20. a first spring washer; 21. a second framework oil seal; 22. an outer hexagonal thin nut; 23. a third outer hexagon bolt; 24. a second spring pad; 25. a hub nut; 26. a hub bolt; 27. a half-shaft shim; 28. a lock washer; 29. an oil seal nut; 30. a cylindrical pin; 31. a third elastic pad; 32. a fourth outer hexagon bolt; 33. and a third framework oil seal.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1, the tractor drive axle of the present invention comprises a reducer assembly 1, a left support assembly 2, a right support assembly 3, a left brake 4, a right brake 5, a left half shaft 6, a right half shaft 7 and a hub body 8, wherein a first tapered roller bearing 9 and a second tapered roller bearing 10 are arranged between the right half shaft 7 and the hub body 8, the right support assembly 3 further comprises a rubber auxiliary spring 11, an inner hexagonal plug 12 and a combined washer 13, the left support assembly 2 and the right support assembly 3 are both provided with a radial spherical joint bearing 14, further comprise an O-ring 15, a first framework oil seal 16, an adjusting washer 17 and a first outer hexagonal bolt 18, the reducer assembly 1 is fixedly mounted with the right support assembly 3 through the O-ring 15, a second framework oil seal 21, the adjusting washer 17 and the first outer hexagonal bolt 18, further comprise a second outer hexagonal bolt 19, a first elastic washer 20 and a second framework oil seal 21, the right brake 5 is fixedly installed on the right support assembly 3 through a second outer hexagon bolt 19, a first elastic cushion 20 and a second framework oil seal 21, the right brake further comprises an outer hexagon thin nut 22, a third outer hexagon bolt 23, a second elastic cushion 24, a hub nut 25, a hub bolt 26, a half-shaft gasket 27 and a lock washer 28, the right brake 5 is fixedly connected with the hub body 8 through the outer hexagon thin nut 22, a third outer hexagon bolt 23, the second elastic cushion 24, the hub nut 25, the hub bolt 26, the half-shaft gasket 27 and the lock washer 28, the right brake further comprises an oil seal nut 29, a cylindrical pin 30, a third elastic cushion 31, a fourth outer hexagon bolt 32 and a third framework oil seal 33, and the hub body 8 is fixedly installed on the right half shaft 7 through the oil seal nut 29, the cylindrical pin 30, the third elastic cushion 31, the fourth outer hexagon bolt 32 and the third framework oil seal 33.

The device changes the rotating speed and the torque from the speed changer and transmits the rotating speed and the torque to the driving wheel, has higher transmission output ratio, meets the requirement of the tractor for carrying heavy objects, and has compact structure, good bearing capacity and good long-term use stability.

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 variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The tractor drive axle is characterized by comprising a speed reducer assembly (1), a left support assembly (2), a right support assembly (3), a left brake (4), a right brake (5), a left half shaft (6), a right half shaft (7) and a hub body (8), wherein a first tapered roller bearing (9) and a second tapered roller bearing (10) are arranged between the right half shaft (7) and the hub body (8), the right support assembly (3) further comprises a rubber auxiliary spring (11), an inner hexagonal plug (12) and a combined washer (13), and radial spherical bearings (14) are arranged on the left support assembly (2) and the right support assembly (3).

2. The tractor drive axle according to claim 1, further comprising an O-ring (15), a first framework oil seal (16), an adjusting gasket (17) and a first outer hexagon bolt (18), wherein the reducer assembly (1) is fixedly mounted on the right support assembly (3) through the O-ring (15), the first framework oil seal (16), the adjusting gasket (17) and the first outer hexagon bolt (18).

3. The tractor drive axle according to claim 2, further comprising a second outer hexagon bolt (19), a first elastic cushion (20) and a second framework oil seal (21), wherein the right brake (5) is fixedly mounted with the right support assembly (3) through the second outer hexagon bolt (19), the first elastic cushion (20) and the second framework oil seal (21).

4. The tractor drive axle according to claim 3, further comprising an outer hexagonal thin nut (22), a third outer hexagonal bolt (23), a second elastic washer (24), a hub nut (25), a hub bolt (26), a half-axle washer (27) and a lock washer (28), wherein the right brake (5) is fixedly connected with the hub body (8) through the outer hexagonal thin nut (22), the third outer hexagonal bolt (23), the second elastic washer (24), the hub nut (25), the hub bolt (26), the half-axle washer (27) and the lock washer (28).

5. The tractor drive axle according to claim 4, further comprising an oil seal nut (29), a cylindrical pin (30), a third elastic pad (31), a fourth outer hexagonal bolt (32) and a third framework oil seal (33), wherein the hub body (8) is fixedly mounted on the right half axle (7) through the oil seal nut (29), the cylindrical pin (30), the third elastic pad (31), the fourth outer hexagonal bolt (32) and the third framework oil seal (33).