CN218430748U

CN218430748U - Swing arm type independent suspension steering axle

Info

Publication number: CN218430748U
Application number: CN202120484728.1U
Authority: CN
Inventors: 郦祥林
Original assignee: ZHEJIANG GOODSENSE FORKLIFT CO Ltd
Current assignee: ZHEJIANG GOODSENSE FORKLIFT CO Ltd
Priority date: 2021-03-05
Filing date: 2021-03-05
Publication date: 2023-02-03
Anticipated expiration: 2031-03-05

Abstract

The utility model belongs to the technical field of the tractor, a swing arm formula independent suspension steering axle is related to, including the cantilever, the front end of cantilever is provided with the bearing frame of connecting the oscillating axle, the rear portion is provided with the coil spring fixing base in the cantilever, and coil spring's lower extreme suit is in the coil spring fixing base, still be provided with the bumper shock absorber mount pad in the coil spring fixing base, the lower extreme assembly of bumper shock absorber is on the bumper shock absorber mount pad, coil spring sets up with the bumper shock absorber suit. The utility model provides a swing arm formula independent suspension steering axle has strengthened the antidetonation of vehicle, shock-absorbing capacity, has improved the vehicle and has driven, take advantage of the comfort level, has reduced navigating mate's fatigue strength, has improved the driving safety nature.

Description

Swing arm type independent suspension steering axle

Technical Field

The utility model belongs to the technical field of the tractor, a swing arm formula independent suspension steering axle is related to.

Background

The tractor is an aviation ground device, and a tractor steering axle is a part in the tractor for bearing steering tasks. The suspension device mode that the tractor steer axle adopted influences the comfort level that whole car drove, took. The existing steering axle suspension device is provided with a steel plate spring suspension device and a swing arm type suspension device, and has the defects of insufficient shock resistance and damping capacity and poor driving and riding comfort of a vehicle.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to prior art's is not enough, provides a swing arm formula independent suspension steering axle, has strengthened antidetonation, the shock-absorbing capacity of vehicle, has improved the vehicle and has driven, take advantage of the comfort level, has reduced navigating mate's fatigue strength, has improved the driving safety nature.

In order to solve the above technical problem, the purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a swing arm formula independent suspension steering axle, includes the cantilever, the front end of cantilever is provided with the bearing frame of connecting the oscillating axle, the rear portion is provided with the coil spring fixing base in the cantilever, and coil spring's lower extreme suit is in the coil spring fixing base, still be provided with the bumper shock absorber mount pad in the coil spring fixing base, the lower extreme assembly of bumper shock absorber is on the bumper shock absorber mount pad, coil spring sets up with the bumper shock absorber suit.

In the above swing arm type independent suspension steering axle, the shock absorber mounting seat comprises a U-shaped seat, a lower fixing hole is formed in the lower end of the shock absorber, and the lower fixing hole is hinged to the mounting through hole formed in the U-shaped seat and opposite to the mounting through hole through a fixing pin, a flat gasket and an opening pin.

In the swing arm type independent suspension steering axle, the bearing seat is internally provided with the cantilever inner bearing and the cantilever outer bearing, the cantilever outer bearing is externally provided with the locking nut and the stop gasket which axially lock the cantilever, and the cantilever can flexibly swing after being locked.

In the swing arm type independent suspension steering axle, a cantilever cover is arranged outside the locking nut and used for dust prevention and decoration.

In the swing arm type independent suspension steering axle, the rear end of the cantilever is provided with a steering knuckle fixing seat, the steering knuckle is assembled on the steering knuckle fixing seat and is fixedly connected with the brake assembly, and the steering knuckle is sequentially provided with a wheel hub, a wheel rim and a tire. Furthermore, the steering knuckle is assembled on the steering knuckle fixing seat through a steering knuckle pin, a thrust bearing, an upper needle bearing, a lower needle bearing, an oil seal, a dust cover and an oil injection nozzle; the steering knuckle is provided with a brake steel pipe bracket, a nut and a set screw, the set screw acts on the locking steering knuckle pin, the nut acts on the locking brake steel pipe bracket, and the steering knuckle can flexibly rotate after being assembled; the steering knuckle is provided with a gasket, a steering knuckle oil seal, a steering knuckle inner bearing, a steering knuckle outer bearing, a wheel hub, an adjusting gasket, a slotted nut, a split pin, an O-shaped ring and a wheel hub cover, the wheel hub is assembled on the steering knuckle through the steering knuckle inner bearing, the steering knuckle outer bearing, the steering knuckle oil seal and the gasket, the adjusting gasket, the slotted nut and the split pin lock the wheel hub, and the wheel hub can flexibly rotate after being locked; the O-shaped ring and the hub cover play a role in dust prevention and decoration, the rim is tightly connected to the hub, and the tire is installed on the rim.

In the swing arm type independent suspension steering axle, the swing arm type independent suspension steering axle is assembled on a frame assembly, a cantilever is assembled on a corresponding swing shaft of the frame assembly in a hinged mode through a cantilever inner bearing and a cantilever outer bearing, and the assembled cantilever can swing around the shaft flexibly; the upper fixed end of the spiral spring is sleeved in the spiral spring fixing seat of the frame assembly, and the upper fixed end of the shock absorber is tightly installed in a shock absorber fixing hole of the frame assembly.

Preferably, in the swing arm type independent suspension steering axle, the shock absorber is a hydraulic tube shock absorber.

In foretell swing arm formula independent suspension steer axle, the cantilever includes left cantilever and right cantilever that the symmetry set up, and left cantilever is the same with right cantilever structure, and the connected mode is also the same.

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

the utility model discloses the suspended structure of tractor steer axle has been improved, the integrated configuration of swing cantilever and coil spring liquid feeding pressure cylinder formula bumper shock absorber is adopted. When a vehicle passes through an uneven road surface, the wheel jumps to lead the cantilever to swing up and down to drive the spiral spring and the shock absorber to do up and down telescopic motion, the spiral spring is an elastic element, and buffer force can be generated when the spiral spring moves up and down; the damper can generate damping force when moving up and down, and the damping force and the buffering force can counteract or reduce the vibration energy generated by jumping, so that the damping effect is achieved. The utility model can enhance the shock resistance and shock absorption capacity of the vehicle and improve the driving and riding comfort of the vehicle; the fatigue strength of the driver is reduced, and the driving safety is improved. Meanwhile, the damping device has the advantages of compact and reasonable structural layout, good damping effect and convenience in manufacturing.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is an exploded view of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2;

FIG. 4 is a perspective view of the frame assembly;

reference numerals: 1. a cantilever; 2. a swing shaft; 3. a bearing seat; 4. a coil spring fixing seat; 5. a coil spring; 6. a shock absorber mount; 7. a shock absorber; 8. a fixing pin; 9. a flat gasket; 10. a cotter pin; 11. a cantilever inner bearing; 12. a cantilever outer bearing; 13. locking the nut; 14. a stopper spacer; 15. a cantilever cover; 16. a knuckle fixing seat; 17. a knuckle; 18. a brake assembly; 19. a hub; 20. a rim; 21. a tire; 22. a frame assembly; 23. a frame assembly spiral spring fixing seat; 24. and a shock absorber fixing hole of the frame assembly.

Detailed Description

The invention will be further described in the following with reference to specific embodiments thereof, with reference to the accompanying drawings, in which figures 1 to 4:

the utility model provides a swing arm formula independent suspension steering axle, includes cantilever 1, the front end of cantilever 1 is provided with the bearing frame 3 of connecting swing axle 2, be provided with cantilever inner bearing 11 and cantilever outer bearing 12 in the bearing frame 3, cantilever outer bearing 12 is provided with lock nut 13 and the lock spacer 14 of axial locking cantilever 1 outward, and locking back cantilever 1 can swing in a flexible way. Further, a cantilever cover 15 is arranged outside the locking nut 13 and used for dust-proof decoration.

Rear portion is provided with coil spring fixing base 4 in cantilever 1, and coil spring 5's lower extreme suit is in coil spring fixing base 4, still be provided with bumper shock absorber mount pad 6 in the coil spring fixing base 4, the lower extreme assembly of bumper shock absorber 7 is on bumper shock absorber mount pad 6, bumper shock absorber mount pad 6 includes the U-shaped seat, the lower extreme of bumper shock absorber 7 is provided with down the fixed orifices, and lower fixed orifices articulates on the relative installation through hole that sets up of U-shaped seat through fixed pin 8, flat gasket 9 and split pin 10, coil spring 5 sets up with 7 suits of bumper shock absorber.

The rear end of the cantilever 1 is provided with a steering knuckle fixing seat 16, a steering knuckle 17 is assembled on the steering knuckle fixing seat 16, the steering knuckle 17 is tightly connected with a brake assembly 18, and a hub 19, a rim 20 and a tire 21 are further sequentially mounted on the steering knuckle 17. Further, the knuckle 17 is assembled on the knuckle fixing seat 16 through a knuckle pin, a thrust bearing, an upper needle bearing, a lower needle bearing, an oil seal, a dust cover and an oil nozzle; the knuckle 17 is provided with a brake steel pipe bracket, a nut and a set screw, the set screw acts on a locking knuckle pin, the nut acts on the locking brake steel pipe bracket, and the knuckle 17 can flexibly rotate after being assembled; the steering knuckle 17 is provided with a gasket, a steering knuckle oil seal, a steering knuckle inner bearing, a steering knuckle outer bearing, a wheel hub, an adjusting gasket, a slotted nut, a split pin, an O-shaped ring and a wheel hub cover, the wheel hub 19 is assembled on the steering knuckle 17 through the steering knuckle inner bearing, the steering knuckle outer bearing, the steering knuckle oil seal and the gasket, the adjusting gasket, the slotted nut and the split pin lock the wheel hub 19, and the wheel hub 19 can flexibly rotate after being locked; the O-shaped ring and the hub cover play a role in dust prevention and decoration; a rim 21 is tightly attached to the hub 19 and a tire 21 is mounted on the rim 20.

Referring to fig. 1-4, the assembly structure of the swing arm type independent suspension steering axle and frame assembly 22 of the present invention is as follows:

the cantilever 1 is hinged and assembled on a swing shaft 2 corresponding to the frame assembly 22 through a cantilever inner bearing 11 and a cantilever outer bearing 12, and the assembled cantilever 1 can swing around the shaft flexibly; the upper fixed end of the spiral spring 5 is sleeved in the spiral spring fixing seat 23 of the frame assembly, and the spiral spring 5 can move up and down after being assembled; the upper fixed end of the shock absorber 7 is fixedly arranged in a shock absorber fixing hole 24 of the frame assembly, and the shock absorber 7 can extend and contract up and down after being assembled. Cantilever 1 is including the left cantilever and the right cantilever that the symmetry set up, and left cantilever is the same with right cantilever structure, connects and the assembly method is also the same.

Preferably, the shock absorber 7 is a hydraulic tube shock absorber.

The utility model discloses increase antidetonation, the shock-absorbing capacity of vehicle, improve the vehicle and drive, take advantage of the principle of comfort level and be: when a vehicle passes through an uneven road surface, the wheel jumps to lead the cantilever 1 to swing up and down to drive the spiral spring 5 and the shock absorber 7 to do up and down telescopic motion, and the spiral spring 5 is an elastic element and can generate buffer force when moving up and down; the damper 7 generates damping force when moving up and down, and counteracts or reduces vibration energy generated by jumping together with the damping force, thereby achieving the damping effect.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a swing arm formula independent suspension steering axle, includes cantilever (1), its characterized in that, the front end of cantilever (1) is provided with bearing frame (3) of connecting swing axle (2), the rear portion is provided with coil spring fixing base (4) in cantilever (1), and the lower extreme suit of coil spring (5) is in coil spring fixing base (4), still be provided with bumper shock absorber mount pad (6) in coil spring fixing base (4), the lower extreme assembly of bumper shock absorber (7) is on bumper shock absorber mount pad (6), coil spring (5) and bumper shock absorber (7) suit set up.

2. The swing arm type independent suspension steering axle of claim 1, wherein the shock absorber mounting seat (6) comprises a U-shaped seat, the lower end of the shock absorber (7) is provided with a lower fixing hole, and the lower fixing hole is hinged on the opposite mounting through hole of the U-shaped seat through a fixing pin (8), a flat gasket (9) and a split pin (10).

3. The swing arm type independent suspension steering axle according to claim 1, wherein a cantilever inner bearing (11) and a cantilever outer bearing (12) are arranged in the bearing seat (3), and a locking nut (13) and a stop washer (14) for axially locking the cantilever are arranged outside the cantilever outer bearing (12).

4. The swing arm type independent suspension steering axle according to claim 3, wherein a cantilever cover (15) is arranged outside the lock nut (13).

5. The swing arm type independent suspension steering axle of claim 1, wherein the rear end of the cantilever (1) is provided with a steering knuckle fixing seat (16), the steering knuckle (17) is assembled on the steering knuckle fixing seat (16), the steering knuckle (17) is fixedly connected with a brake assembly (18), and a hub (19), a rim (20) and a tire (21) are sequentially arranged on the steering knuckle (17).

6. The swing arm type independent suspension steering axle of claim 1, wherein the swing arm type independent suspension steering axle is assembled on a frame assembly (22), a cantilever (1) is assembled on a corresponding swing shaft (2) of the frame assembly (22) in a hinged mode through a cantilever inner bearing (11) and a cantilever outer bearing (12), an upper fixed end of a spiral spring (5) is sleeved in a frame assembly spiral spring fixing seat (23), and an upper fixed end of a shock absorber (7) is fixedly installed in a shock absorber fixing hole (24) of the frame assembly.

7. Swing arm type independent suspension steer axle according to claim 1, characterized in that said shock absorber (7) is a hydraulic drum shock absorber.