CN215921799U

CN215921799U - Integrated steering axle that hangs of tractor

Info

Publication number: CN215921799U
Application number: CN202122664529.1U
Authority: CN
Inventors: 吴清波; 关炜; 余云鹏; 林懿鹏
Original assignee: Hangcha Group Co Ltd
Current assignee: Hangcha Group Co Ltd
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-03-01
Anticipated expiration: 2031-11-02

Abstract

The utility model discloses an integrated suspension steering axle of a tractor, which comprises: steering axle, leaf spring, hang the bumper shock absorber, be used for fixing first installing support and the second installing support on steering axle with leaf spring level, the symmetry is equipped with two first installing supports on the steering axle, the lateral part of every first installing support all is equipped with the second installing support perpendicularly, two leaf springs all are used for being connected with the bottom of frame, the one end of hanging the bumper shock absorber is fixed on the second installing support, the other end is connected with the lateral part of frame. Through using this device, can make the bottom of frame realize the shock attenuation operation through leaf spring, the lateral part of frame realizes the shock attenuation operation through hanging the bumper shock absorber. The shock absorption device integrates two shock absorption forms of a steel plate spring and a suspension shock absorber, can effectively reduce the impact force on a vehicle, weakens the vibration phenomenon of the vehicle, and improves the driving comfort level of the vehicle.

Description

Integrated steering axle that hangs of tractor

Technical Field

The utility model relates to the technical field of vehicle assembly, in particular to an integrated suspension steering axle of a tractor.

Background

In the prior art, the shape of the bridge body of the steering bridge is generally an H-shaped bridge body, and the size of the bridge body is large. The steering axle generally comprises a steering axle body, a double-pull-arm steering knuckle arranged on one side of the steering axle body, a single-pull-arm steering knuckle arranged on the other side of the steering axle body, and hubs respectively arranged on the outer side surfaces of the double-pull-arm steering knuckle and the single-pull-arm steering knuckle, wherein the double-pull-arm steering knuckle and the single-pull-arm steering knuckle are connected through a tie rod. In addition, the steering axle body is generally connected with the frame through a simple steel plate spring or a rubber block, so that the phenomenon that the steering axle collides with the vehicle body is easily caused in the driving or steering process of the vehicle, the vehicle is greatly vibrated, and the driving comfort level is low.

In summary, how to reduce the vibration phenomenon of the vehicle is a problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides an integrated suspension steer axle for a towing vehicle, which can effectively reduce the impact force on the vehicle, reduce the vibration of the vehicle, and improve the driving comfort of the vehicle.

In order to achieve the above purpose, the utility model provides the following technical scheme:

a tractor integrated underslung steer axle comprising: steering axle, leaf spring, suspension shock absorber, be used for with the leaf spring level is fixed first installing support and second installing support on the steering axle, the symmetry is equipped with two on the steering axle first installing support, every the lateral part of first installing support all is equipped with perpendicularly the second installing support, two leaf spring all is used for being connected with the bottom of frame, the one end of suspension shock absorber is fixed on the second installing support, the other end with the lateral part of frame is connected.

Preferably, the steering axle comprises a horizontally arranged round steel pipe fitting, a left mounting arm arranged at the left end of the round steel pipe fitting, a right mounting arm arranged at the right end of the round steel pipe fitting, a left steering knuckle connected with the left mounting arm, a right steering knuckle connected with the right mounting arm, a steering rocker arm used for controlling the steering of the steering axle and a tie rod;

the left steering knuckle and the right steering knuckle are both used for being connected with wheels, the steering rocker arm is arranged on the left steering knuckle, and the ball head of the left steering knuckle are respectively connected with the end portion of the tie rod.

Preferably, the first mounting bracket comprises a mounting plate, a pressing plate, a U-shaped bolt and a fastener, the mounting plate, the pressing plate, the U-shaped bolt and the fastener are horizontally arranged at the top of the round steel pipe fitting, through holes for the U-shaped bolt to penetrate through are correspondingly formed in the mounting plate and the pressing plate, the steel plate spring clamp is arranged between the mounting plate and the pressing plate, and the fastener is used for locking the pressing plate on the steel plate spring.

Preferably, the second installing support include with the connecting portion that the mounting panel is connected, with the vertical portion of connecting portion vertical connection and locating the horizontal part at vertical portion top, be equipped with on the horizontal part and be used for fixing hang the round pin axle of bumper shock absorber and be used for with the limiting plate of the rubber stopper butt of frame, the round pin axle with limiting plate parallel arrangement.

Preferably, a notch is formed in the position, corresponding to the steering rocker arm, of the vertical part.

Preferably, rib plates are arranged on two sides of the connecting part and are attached to the outer periphery of the round steel pipe fitting.

Preferably, the mounting plate is mounted at a position lower than the central axis of the wheel.

Preferably, the end parts of the left mounting arm and the right mounting arm are respectively provided with a first step, and the two ends of the round steel pipe fitting are respectively provided with a containing groove for mounting the first steps.

Preferably, the end part of the suspension shock absorber is of a conical structure, rubber sleeves are attached to two sides of the conical structure, a second step is axially arranged on the pin shaft, one end of each rubber sleeve can be inserted into the pin shaft and abutted against the corresponding second step, and a gasket and a locking nut are arranged at the other end of each rubber sleeve.

Preferably, the first mounting bracket and the second mounting bracket are welded and fixed, and the first mounting bracket is welded on the steering axle.

When the tractor integrated suspension steering axle provided by the utility model is used, the steel plate springs can be arranged on the steering axle by utilizing the first mounting bracket, the second mounting bracket is vertically arranged on the side part of the first mounting bracket, then the bottom of the frame is fixedly arranged on the two steel plate springs, then one end of the suspension shock absorber can be fixed on the second mounting bracket, and the other end of the suspension shock absorber is connected with the side part of the frame. Therefore, the bottom of the frame can realize the damping operation through the leaf spring, and the side part of the frame can realize the damping operation through the suspension damper. The shock absorption device effectively integrates two shock absorption forms of a steel plate spring and a suspension shock absorber, can effectively reduce the impact force on the vehicle, weakens the vibration phenomenon of the vehicle, and improves the driving comfort level of the vehicle.

In conclusion, the integrated suspension steering axle of the tractor provided by the utility model can effectively reduce the impact force on the vehicle, weaken the vibration phenomenon of the vehicle and improve the driving comfort of the vehicle.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an integrated suspension steer axle of a towing vehicle provided by the present invention;

FIG. 2 is an assembled schematic view of the steer axle, the first mounting bracket, and the second mounting bracket;

FIG. 3 is a schematic exploded view of the steer axle, the first mounting bracket, and the second mounting bracket;

FIG. 4 is a schematic view of the assembly of the suspension damper and the second mounting bracket;

fig. 5 is a schematic view of the suspension damper and the pin after assembly.

In fig. 1-5:

the steering axle comprises a steering axle 1, a steel plate spring 2, a suspension shock absorber 3, a first mounting bracket 4, a second mounting bracket 5, a round steel pipe 6, a left mounting arm 7, a right mounting arm 8, a left steering knuckle 9, a right steering knuckle 10, a steering rocker arm 11, a tie rod 12, a mounting plate 13, a pressing plate 14, a U-shaped bolt 15, a connecting part 16, a vertical part 17, a horizontal part 18, a pin shaft 19, a rubber limiting block 20, a limiting plate 21, a notch 22, a rib plate 23, a first step 24, a rubber sleeve 25, a second step 26, a gasket 27, an elastic gasket 28 and a lock nut 29.

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.

The core of the utility model is to provide an integrated suspension steering axle of a tractor, which integrates two damping modes of a steel plate spring and a suspension damper, can effectively reduce the impact force on a vehicle, weaken the vibration phenomenon of the vehicle and improve the driving comfort of the vehicle.

Please refer to fig. 1 to 5.

This embodiment provides an integrated steer axle that hangs of tractor, includes: steering axle 1, leaf spring 2, hang bumper shock absorber 3, be used for fixing first installing support 4 and second installing support 5 on steering axle 1 with leaf spring 2 level, the symmetry is equipped with two first installing support 4 on steering axle 1, the lateral part of every first installing support 4 all is equipped with second installing support 5 perpendicularly, two leaf springs 2 all are used for being connected with the bottom of frame, the one end that hangs bumper shock absorber 3 is fixed on second installing support 5, the other end is connected with the lateral part of frame.

The shape, structure, size, material, position and the like of the steering axle 1, the leaf spring 2, the suspension damper 3, the first mounting bracket 4 and the second mounting bracket 5 can be determined in the actual application process according to the actual situation and the actual demand.

When the tractor integrated suspension steering axle provided by the utility model is used, the steel plate spring 2 can be arranged on the steering axle 1 by utilizing the first mounting bracket 4, the second mounting bracket 5 is vertically arranged on the side part of the first mounting bracket 4, then the bottom of the frame is fixedly arranged on the two steel plate springs 2, then one end of the suspension shock absorber 3 can be fixed on the second mounting bracket 5, and the other end of the suspension shock absorber 3 is connected with the side part of the frame. Thus, the bottom of the frame can be damped by the leaf spring 2 and the side of the frame can be damped by the suspension damper 3. The device integrates two damping modes of the steel plate spring 2 and the suspension damper 3, can effectively reduce the impact force on the vehicle, weakens the vibration phenomenon of the vehicle, and improves the driving comfort of the vehicle.

On the basis of the above embodiment, preferably, the steer axle 1 includes a horizontally arranged round steel pipe 6, a left mounting arm 7 arranged at the left end of the round steel pipe 6, a right mounting arm 8 arranged at the right end of the round steel pipe 6, a left knuckle 9 connected with the left mounting arm 7, a right knuckle 10 connected with the right mounting arm 8, a steering rocker 11 for controlling the steer axle 1 to steer, and a tie rod 12; the left steering knuckle 9 and the right steering knuckle 10 are both used for being connected with wheels, the steering rocker arm 11 is arranged on the left steering knuckle 9, and the ball head of the left steering knuckle 9 are respectively connected with the end part of the tie rod 12.

It should be noted that the length of the round steel pipe fitting 6 can be changed according to different vehicle types, and the components can be manufactured and assembled by casting and welding, so as to save the manufacturing cost and improve the universality of the device and the strength of the bridge body. When the steering operation is needed, the steering rocker 11 can be rotated to make the left steering knuckle 9 turn left or right, and the left steering knuckle 9 can pull the tie rod 12 and the right steering knuckle 10 to rotate in the same direction when rotating, so as to realize the steering operation.

In the actual application process, according to actual conditions and actual requirements, the shapes, structures, sizes, materials, positions and the like of the round steel pipe fitting 6, the left mounting arm 7, the right mounting arm 8, the left steering knuckle 9, the right steering knuckle 10, the steering rocker arm 11 and the tie rod 12 can be determined.

Preferably, the first mounting bracket 4 comprises a mounting plate 13 horizontally arranged at the top of the round steel pipe fitting 6, a pressing plate 14, a U-shaped bolt 15 and a fastener, the mounting plate 13 and the pressing plate 14 are correspondingly provided with a through hole for penetrating through the U-shaped bolt 15, the leaf spring 2 is clamped between the mounting plate 13 and the pressing plate 14, and the fastener is used for locking the pressing plate 14 on the leaf spring 2.

It should be noted that, first, the leaf spring 2 may be flatly placed on the mounting plate 13, then the pressing plate 14 is pressed on the leaf spring 2, then the U-shaped bolt 15 may be used to pass through the through holes of the mounting plate 13 and the pressing plate 14 from bottom to top, and finally, the U-shaped bolt 15 may be inserted by using the fastening member to lock the pressing plate 14 on the leaf spring 2. Threads may be provided at one end of the U-bolt 15 and the fastener may include a spring washer, a cotter pin, and a slotted nut to cooperate with the U-bolt 15 to firmly press the pressing plate 14 against the leaf spring 2.

In the actual application process, according to the actual situation and the actual requirement, the shape, the structure, the size, the material and the like of the mounting plate 13, the pressing plate 14, the U-shaped bolt 15 and the fastening piece can be determined.

Preferably, the second mounting bracket 5 includes a connecting portion 16 connected to the mounting plate 13, a vertical portion 17 vertically connected to the connecting portion 16, and a horizontal portion 18 disposed at the top of the vertical portion 17, the horizontal portion 18 is provided with a pin 19 for fixing the suspension damper 3 and a limiting plate 21 for abutting against a rubber limiting block 20 of the vehicle frame, the pin 19 and the limiting plate 21 are arranged in parallel, and the second mounting bracket 5 has a structure as shown in fig. 2 and 3.

It should be noted that one end of the suspension damper 3 may be installed on the pin 19, and the other end of the suspension damper 3 may be installed on the pin of the frame, so that the suspension damper 3 may be suspended and placed, and the joint may be fixed by using components such as an elastic pad and a slotted nut.

It should be further noted that the limiting plate 21 can collide with the rubber limiting block 20 mounted on the frame when the steering axle 1 is subjected to severe impact, so as to prevent the steering axle 1 from colliding with the vehicle body due to excessive suspension deformation of the suspension damper 3. That is, the limit plate 21 can protect the steering axle 1 when the steering axle 1 is subjected to a large impact force, so as to prevent the steering axle 1 from colliding with the vehicle body.

Preferably, the vertical portion 17 is provided with a notch 22 corresponding to the position of the steering arm 11, and the notch 22 can create a space for the rotation of the steering arm 11. The steering rocker arm 11 can be arranged in the middle of the whole bridge, so that the whole bridge is smaller and more compact.

Preferably, rib plates 23 are arranged on two sides of the connecting portion 16, the rib plates 23 are attached to the outer periphery of the round steel pipe fitting 6, and the rib plates 23 are beneficial to improving the bridge strength and the manufacturing precision of the steering axle 1.

In the actual application process, according to actual conditions and actual requirements, the shapes, structures, sizes, materials, positions and the like of the connecting portion 16, the vertical portion 17, the horizontal portion 18, the pin shaft 19, the limiting plate 21, the notch 22 and the rib plate 23 can be determined.

On the basis of the above embodiment, it is preferable that the mounting plate 13 is mounted at a position lower than the center axis of the wheel. The installation plane of the steel plate spring 2 of the steering axle 1 is lower than the central axis of the wheel, so that a larger space can be provided for the installation of an engine or a battery box at the upper part of the steering axle 1, the gravity center of the vehicle can be lower, and the running is more stable.

Preferably, the tip of installing arm 7 and right side installation arm 8 on a left side all is equipped with first step 24, and the both ends of circular steel pipe spare 6 all are equipped with the holding tank that is used for installing first step 24. The arrangement of the first step 24 can be beneficial to positioning the mounting positions of the left mounting arm 7 and the right mounting arm 8, so that the subsequent welding operation can be conveniently carried out, and the assembly precision of the bridge body can be ensured.

Preferably, the end of the suspension shock absorber is of a conical structure, rubber sleeves 25 are attached to two sides of the conical structure, second steps 26 are axially arranged on the pin shaft 19, one end of each rubber sleeve 25 can be inserted into the pin shaft 19 and abutted against the second steps 26, and a gasket 27 and a locking nut 29 are arranged at the other end of each rubber sleeve 25.

It should be noted that the two rubber sleeves 25 can form a step with the end of the suspension damper, the rubber sleeves 25 can prevent the washer 27 from directly contacting with the end of the suspension damper, the washer 27 and the lock nut 29 can be placed to be loose, and the rubber sleeves 25 can effectively weaken the impact phenomenon between the suspension damper and other parts and prolong the service life of the suspension damper and other parts. An elastic gasket 28 can be additionally arranged between the washer 27 and the locking nut 29, namely after the pin shaft 19 is sleeved with the rubber sleeve 25, the washer 27 is firstly abutted against the rubber sleeve 25 of the suspension shock absorber, and then the elastic gasket 28, the locking nut 29 and the like are sequentially used for locking operation, so that the suspension shock absorber and the pin shaft 19 are prevented from being loosened.

The shape, structure, size, material, position, etc. of the taper structure, the rubber sleeve 25, the washer 27, the spring washer 28, and the lock nut 29 can be determined according to actual conditions and actual requirements during actual use.

Preferably, the first mounting bracket 4 and the second mounting bracket 5 are welded and fixed, and the first mounting bracket 4 is welded on the steering axle 1 to ensure the connection and fixation effect of all the parts.

It should be noted that the first step 24 and the second step 26, and the first mounting bracket 4 and the second mounting bracket 5 are mentioned in this document, wherein the first and the second are only for distinguishing the position difference and are not in sequence.

In addition, it should be noted that the directions or positional relationships indicated by "right and left", "vertical", and the like in the present application are based on the directions or positional relationships shown in the drawings, and are only for the convenience of simplifying the description and facilitating the understanding, but do not indicate or imply that the device or element referred to must have a specific direction, be configured and operated in a specific direction, and thus, should not be construed as limiting the present invention.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. Any combination of all the embodiments provided by the present invention is within the scope of the present invention, and will not be described herein.

The tractor integrated suspension steer axle provided by the present invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims

1. An integrated hitch steer axle for a towing vehicle, comprising: steering axle (1), leaf spring (2), suspension shock absorber (3), be used for with leaf spring (2) level is fixed first installing support (4) and second installing support (5) on steering axle (1), the symmetry is equipped with two on steering axle (1) first installing support (4), every the lateral part of first installing support (4) all is equipped with perpendicularly second installing support (5), two leaf spring (2) all are used for being connected with the bottom of frame, the one end of suspension shock absorber (3) is fixed on second installing support (5), the other end with the lateral part of frame is connected.

2. The tractor integrated suspension steering axle according to claim 1, characterized in that the steering axle (1) comprises a horizontally arranged round steel pipe (6), a left mounting arm (7) arranged at the left end of the round steel pipe (6), a right mounting arm (8) arranged at the right end of the round steel pipe (6), a left steering knuckle (9) connected with the left mounting arm (7), a right steering knuckle (10) connected with the right mounting arm (8), a steering rocker (11) for controlling the steering of the steering axle (1) and a tie rod (12);

the left steering knuckle (9) and the right steering knuckle (10) are connected with wheels, the steering rocker arm (11) is arranged on the left steering knuckle (9), and the ball head of the left steering knuckle (9) are respectively connected with the end part of the tie rod (12).

3. The tractor integrated suspension steering axle according to claim 2, characterized in that the first mounting bracket (4) comprises a mounting plate (13) horizontally arranged at the top of the round steel pipe (6), a pressing plate (14), a U-shaped bolt (15) and a fastener, the mounting plate (13) and the pressing plate (14) are correspondingly provided with a through hole for passing through the U-shaped bolt (15), the leaf spring (2) is clamped between the mounting plate (13) and the pressing plate (14), and the fastener is used for locking the pressing plate (14) on the leaf spring (2).

4. The integrated suspension steer axle of tractor according to claim 3, characterized in that, the second mounting bracket (5) comprises a connecting portion (16) connected with the mounting plate (13), a vertical portion (17) vertically connected with the connecting portion (16) and a horizontal portion (18) arranged at the top of the vertical portion (17), the horizontal portion (18) is provided with a pin shaft (19) for fixing the suspension damper (3) and a limit plate (21) for abutting against a rubber limit block (20) of the frame, and the pin shaft (19) and the limit plate (21) are arranged in parallel.

5. The tractor integrated suspension steer axle according to claim 4, characterized in that said vertical portion (17) is provided with a notch (22) in correspondence of the position of said steering rocker (11).

6. The tractor integrated suspension steering axle according to claim 4, characterized in that rib plates (23) are arranged on two sides of the connecting part (16), and the rib plates (23) are attached to the outer periphery of the round steel pipe fitting (6).

7. The tractor integrated suspension steer axle according to any of the claims 3 to 6, characterized in that the mounting plate (13) is mounted at a lower position than the center axis of the wheels.

8. The tractor integrated suspension steer axle according to any of the claims 2 to 6, characterized in that the ends of the left mounting arm (7) and the right mounting arm (8) are each provided with a first step (24), and the two ends of the round steel pipe (6) are each provided with a receiving groove for mounting the first step (24).

9. The tractor integrated suspension steering axle according to any one of the claims 4 to 6, characterized in that the end of the suspension shock absorber is a conical structure, a rubber sleeve (25) is attached to two sides of the conical structure, the pin shaft (19) is provided with a second step (26) along the axial direction, one end of the rubber sleeve (25) can be inserted into the pin shaft (19) and abutted against the second step (26), and the other end of the rubber sleeve (25) is provided with a washer (27) and a lock nut (29).

10. The tractor integrated suspension steer axle according to any of the claims 1 to 6, characterized in that said first mounting bracket (4) and said second mounting bracket (5) are welded and fixed, said first mounting bracket (4) being welded on said steer axle (1).