CN117962524A - Rear suspension structure of bearing type car body - Google Patents
Rear suspension structure of bearing type car body Download PDFInfo
- Publication number
- CN117962524A CN117962524A CN202311843514.9A CN202311843514A CN117962524A CN 117962524 A CN117962524 A CN 117962524A CN 202311843514 A CN202311843514 A CN 202311843514A CN 117962524 A CN117962524 A CN 117962524A
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- Prior art keywords
- angle
- hinged
- shock absorber
- rear axle
- thrust rod
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- 239000000725 suspension Substances 0.000 title claims abstract description 34
- 230000035939 shock Effects 0.000 claims abstract description 42
- 239000006096 absorbing agent Substances 0.000 claims abstract description 32
- 238000010521 absorption reaction Methods 0.000 claims abstract description 4
- 230000000712 assembly Effects 0.000 claims abstract description 4
- 238000000429 assembly Methods 0.000 claims abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G7/00—Pivoted suspension arms; Accessories thereof
- B60G7/001—Suspension arms, e.g. constructional features
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
- B60G13/001—Arrangements for attachment of dampers
- B60G13/005—Arrangements for attachment of dampers characterised by the mounting on the axle or suspension arm of the damper unit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
- B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
- B60G2206/10—Constructional features of arms
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention belongs to the technical field of automobile chassis, and particularly relates to a rear suspension structure of a bearing type automobile body. The device comprises a rear axle, lower cutter supporting arms, a shock absorber and a connecting rod assembly, wherein two ends of the rear axle are respectively hinged with a frame through the two lower cutter supporting arms; the shock absorber is horizontally arranged on two sides of the frame along the front-back direction, and the lower cutter supporting arm positioned on the same side is connected with the shock absorber through a group of connecting rod assemblies; when the rear axle is up and down fluctuated, the shock absorber can realize transverse shock absorption through the connecting rod assembly. The invention greatly increases the shock absorbing efficiency, makes the barrel core of the shock absorber fully play the role of the stroke, pulls the spring and slows the rebound speed of the rear part of the automobile body. The rear shock absorbing efficiency is improved, so that the rear wheels can fully grip the ground on a bumpy road surface, the high-speed stability is greatly improved, and the riding comfort is greatly improved.
Description
Technical Field
The invention belongs to the technical field of automobile chassis, and particularly relates to a rear suspension structure of a bearing type automobile body.
Background
At present, a bearing type car body leather card generally adopts a rear arch plate spring and integral bridge structure and a multi-connecting-rod structure. In order to consider the rear cargo function, the traditional bearing rear suspension often has very hard shock-absorbing structures of the bow plate spring and the integral bridge, and the jolt road vehicle can bounce, so that the stability of the high-speed jolt road vehicle body is poor, and the comfort is also poor. The stroke of the shock absorber is very short, the performance of the cross axle of the automobile is affected, and the performance of the automobile on a non-horizontal road surface is poor.
Disclosure of Invention
In view of the above problems, the present invention aims to provide a rear suspension structure of a load-bearing vehicle body, so as to solve the problems that a traditional load-bearing rear suspension bow plate spring and an overall bridge shock-absorbing structure are very hard, and a jolt road vehicle bounces, resulting in poor stability and poor comfort of a high-speed jolt road vehicle body.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The invention provides a rear suspension structure of a bearing type vehicle body, which comprises a rear axle, lower cutter supporting arms, a shock absorber and a connecting rod assembly, wherein two ends of the rear axle are respectively hinged with a vehicle frame through the two lower cutter supporting arms; the shock absorber is horizontally arranged on two sides of the frame along the front-back direction, and the lower cutter supporting arm positioned on the same side is connected with the shock absorber through a group of connecting rod assemblies; when the rear axle is up and down fluctuated, the shock absorber can realize transverse shock absorption through the connecting rod assembly.
The connecting rod assembly comprises a cutter arm suspender and a triangular connecting rod, wherein the triangular connecting rod is of a triangular structure and is provided with a first angle, a second angle and a third angle, the first angle is hinged with the frame, the second angle is hinged with the shock absorber, the third angle is hinged with one end of the cutter arm suspender, and the other end of the cutter arm suspender is hinged with the lower cutter supporting arm; the triangle link is rotatable about a hinge axis at a first angle.
The distance between the second angle and the third angle of the triangular connecting rod is smaller than the distance between the first angle and the third angle and larger than the distance between the first angle and the second angle.
The length of the cutter arm hanging rod can be adjusted.
The rear suspension structure of the bearing type car body is characterized by further comprising a push rod stopping component, wherein the push rod stopping component is connected between the rear axle and the car frame and used for limiting the transverse direction and the longitudinal direction of the rear axle.
The anti-pushing rod assembly comprises a transverse anti-pushing rod and a longitudinal anti-pushing rod, wherein the transverse anti-pushing rod is transversely arranged at the bottom of the frame, one end of the transverse anti-pushing rod is hinged with the frame, and the other end of the transverse anti-pushing rod is hinged with the rear axle; the longitudinal thrust rod is longitudinally arranged at the bottom of the frame, one end of the longitudinal thrust rod is hinged with the frame, and the other end of the longitudinal thrust rod is hinged with the rear axle.
The transverse thrust rod and the longitudinal thrust rod are respectively positioned at the front side and the rear side of the rear axle, and are respectively hinged with the two ends of the rear axle.
The invention has the advantages and beneficial effects that: the invention greatly increases the shock absorbing efficiency, makes the barrel core of the shock absorber fully play the role of the stroke, pulls the spring and slows the rebound speed of the rear part of the automobile body. The rear shock absorbing efficiency is improved, so that the rear wheels can fully grip the ground on a bumpy road surface, the high-speed stability is greatly improved, and the riding comfort is greatly improved.
Drawings
FIG. 1 is an isometric view of a rear suspension structure of a load-bearing vehicle body of the present invention;
FIG. 2 is a front view of the rear suspension of the load-bearing body of the present invention;
FIG. 3 is a side view of the rear suspension of the load-bearing body of the present invention;
FIG. 4 is a view showing a left wheel of the rear suspension of the load-bearing body of the present invention in a state of encountering an obstacle;
Fig. 5 is a state diagram of the rear suspension structure of the load-bearing body of the present invention when the right wheel encounters an obstacle.
In the figure: 1 is a rear axle, 2 is a lower cutter supporting arm, 3 is a cutter arm suspender, 4 is a triangular connecting rod, 5 is a transverse thrust rod, 6 is a longitudinal thrust rod, 7 is a frame, and 8 is a shock absorber.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 3, the invention provides a rear suspension structure of a bearing type vehicle body, which comprises a rear axle 1, a lower cutter supporting arm 2, a shock absorber 8 and a connecting rod assembly, wherein two ends of the rear axle 1 are respectively hinged with a vehicle frame 7 through the two lower cutter supporting arms 2, and two rear wheels are arranged at two side ends of the rear axle 1. Specifically, the two lower cutter supporting arms 2 are respectively located at two sides of the frame 7, the front ends of the lower cutter supporting arms 2 are hinged with the rear axle 1, and the rear ends of the lower cutter supporting arms 2 are hinged with the frame 7. The shock absorber 8 is horizontally arranged on two sides (not shown in the figure) of the frame 7 along the front-rear direction, and the lower cutter supporting arm 2 and the shock absorber 8 which are positioned on the same side are connected through a group of connecting rod assemblies; when the rear axle 1 is up and down, the shock absorber 8 can realize transverse shock absorption through the connecting rod assembly.
As shown in fig. 1 and 2, in the embodiment of the present invention, the link assembly includes a boom 3 and a triangle link 4, wherein the triangle link 4 has a triangle structure, and has a first angle a, a second angle B and a third angle C, the first angle a is hinged with the frame 7, the second angle B is hinged with the rear end of the shock absorber 8, the third angle C is hinged with one end of the boom 3, and the other end of the boom 3 is hinged with the lower supporting boom 2; the triangle link 4 is rotatable about the hinge axis at the first angle a.
Preferably, the distance between the second angle B and the third angle C of the triangle link 4 is smaller than the distance between the first angle a and the third angle C and larger than the distance between the first angle a and the second angle B.
On the basis of the above embodiment, the rear suspension structure of the load-bearing vehicle body provided by the invention further comprises a push rod stopping component, wherein the push rod stopping component is connected between the rear axle 1 and the vehicle frame 7 and is used for limiting the transverse direction and the longitudinal direction of the rear axle 1 and preventing the vehicle frame 7 from shaking back and forth and left and right.
As shown in fig. 2, in the embodiment of the present invention, the thrust rod assembly includes a transverse thrust rod 5 and a longitudinal thrust rod 6, wherein the transverse thrust rod 5 is transversely arranged at the bottom of the frame 7, one end of the transverse thrust rod 5 is hinged with the frame 7, and the other end is hinged with one end of the rear axle 1; the lateral thrust rod 5 prevents the vehicle frame 7 from rocking left and right. The longitudinal thrust rod 6 is longitudinally arranged at the bottom of the frame 7, the rear end of the longitudinal thrust rod 6 is hinged with the frame 7, and the front end of the longitudinal thrust rod 6 is hinged with the other end of the rear axle 1. The longitudinal push stopper rod 6 prevents the vehicle frame 7 from rocking in the front-rear direction.
Further, the lateral thrust rod 5 and the longitudinal thrust rod 6 are respectively positioned at the front side and the rear side of the rear axle 1, and the lateral thrust rod 5 and the longitudinal thrust rod 6 are respectively hinged with two ends of the rear axle 1.
In the embodiment of the invention, the rear wheel is a cutter arm suspended rear wheel, so that the rear wheel can swing independently. The stroke of the shock absorber 8 is determined by the included angle and length between the structure of the suspended triangle connecting rod 4 and the cutter arm suspender 3, so that the stroke of the rear wheel is not affected by the suspension length. The angle of the four-wheel crossed shaft is increased, so that when a user walks on a crossed slope road surface, if one wheel suspension vehicle is easy to turn over, the four wheels still cling to the ground under the condition that the ground height is 1.2 meters different, and the running stability and safety are greatly improved. The length of the cutter arm suspender 3 can be adjusted, the rear suspension height can be adjusted, and the shock absorber 8 can also be adjusted in a spiral manner to compress the length so as to adjust the hardness of the rear suspension and the retraction stroke of the rear suspension.
In the embodiment of the invention, the shock absorber 8 is transversely arranged, so that the rear suspension space is saved. The rear axle 1 is hung by the lower cutter supporting arm 2, and the wheel track of the rear axle is wider than that of a common off-road vehicle, so that the pick-up can use a container without a wheel arch, and the space of the rear container is increased. The shock absorbers 8 are positioned on two sides of the frame 7, so that the lower part of the rear container is flat and can be used as a battery placing space of the new energy pick-up. While the suspension travel is relatively large. In this embodiment, the shock absorber 8 is a commercially available product, and a double-sided fisheye bearing shock absorber of keman is adopted.
The invention provides a rear suspension structure of a bearing type vehicle body, which has the working principle that:
as shown in fig. 2 to 4, when the rear suspension structure encounters an upward force, the wheels transmit the force to the rear axle 1, the rear axle 1 drives the lower cutter supporting arm 2 to move upward, the cutter supporting arm boom 3 is jacked up, and the third angle C drives the triangular connecting rod 4 to rotate by taking the hinge point of the first angle a as the center of a circle, so that the shock absorber 8 performs transverse circular arc compression motion.
When encountering a sunken road surface or the wheels are suspended, the rear axle 1 falls down due to the gravity, the lower cutter supporting arm 2 pulls the rear axle 1 to do circular motion by taking the hinge point (point D) between the lower cutter supporting arm and the frame 7as a pivot, the cutter supporting arm suspender 3 is pulled to fall down, the cutter supporting arm suspender 3 drives the triangular connecting rod 4 to do downward circular motion by taking the third angle C as a pivot and taking the hinge shaft of the first angle A as a circle center, and at the moment, the shock absorber 8 is affected by the triangular connecting rod 4 to do transverse circular stretching motion.
When one side wheel encounters an obstacle, the two side lower cutter supporting arms 2 independently move, and the wheel height difference is good, as shown in fig. 3 and 4.
The invention provides a rear suspension structure of a bearing type vehicle body, which can adjust the height of the whole vehicle body and the suspension softness, so that the bearing type vehicle body has a certain load carrying capacity and improves the high-speed driving comfort of bumpy road surfaces. The invention greatly increases the shock absorbing efficiency, makes the barrel core of the shock absorber 8 fully play the role of stroke, pulls the spring and slows the rebound speed of the rear part of the vehicle body. The rear shock absorbing efficiency is improved, so that the rear wheels can fully grip the ground on a bumpy road surface, the high-speed stability is greatly improved, and the riding comfort is greatly improved.
The foregoing is merely an embodiment of the present invention and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, expansion, etc. made within the spirit and principle of the present invention are included in the protection scope of the present invention.
Claims (7)
1. The rear suspension structure of the bearing type vehicle body is characterized by comprising a rear axle (1), lower cutter supporting arms (2), a shock absorber (8) and a connecting rod assembly, wherein two ends of the rear axle (1) are hinged with a vehicle frame (7) through the two lower cutter supporting arms (2) respectively; the shock absorber (8) is horizontally arranged on two sides of the frame (7) along the front-back direction, and the lower cutter supporting arm (2) positioned on the same side is connected with the shock absorber (8) through a group of connecting rod assemblies; when the rear axle (1) is up and down fluctuated, the shock absorber (8) can realize transverse shock absorption through the connecting rod assembly.
2. The rear suspension structure of a load-carrying vehicle body according to claim 1, characterized in that the link assembly comprises a cutter arm boom (3) and a triangle link (4), wherein the triangle link (4) is a triangle structure having a first angle (a) hinged to the frame (7), a second angle (B) hinged to the shock absorber (8), and a third angle (C) hinged to one end of the cutter arm boom (3), the other end of the cutter arm boom (3) hinged to the lower carrier arm (2); the triangle link (4) is rotatable about a hinge axis at a first angle (a).
3. Rear suspension structure of a load-carrying vehicle body according to claim 2, characterized in that the distance between the second angle (B) and the third angle (C) of the triangular link (4) is smaller than the distance between the first angle (a) and the third angle (C) and larger than the distance between the first angle (a) and the second angle (B).
4. Rear suspension structure of a load-carrying vehicle body according to claim 2, characterized in that the length of the tool arm boom (3) is adjustable.
5. Rear suspension structure of a load-carrying vehicle body according to claim 1, characterized by further comprising a thrust rod assembly connected between the rear axle (1) and the frame (7) for limiting the rear axle (1) both in transverse and longitudinal direction.
6. The rear suspension structure of a load-carrying vehicle body according to claim 5, characterized in that the thrust rod assembly comprises a transverse thrust rod (5) and a longitudinal thrust rod (6), wherein the transverse thrust rod (5) is transversely arranged at the bottom of the vehicle frame (7), one end of the transverse thrust rod (5) is hinged with the vehicle frame (7), and the other end is hinged with the rear axle (1); the longitudinal thrust rod (6) is longitudinally arranged at the bottom of the frame (7), one end of the longitudinal thrust rod (6) is hinged with the frame (7), and the other end is hinged with the rear axle (1).
7. Rear suspension structure of a load-carrying vehicle body according to claim 6, characterized in that the transverse thrust rod (5) and the longitudinal thrust rod (6) are located on the front side and the rear side of the rear axle (1), respectively, and that the transverse thrust rod (5) and the longitudinal thrust rod (6) are hinged to the two ends of the rear axle (1), respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311843514.9A CN117962524A (en) | 2023-12-29 | 2023-12-29 | Rear suspension structure of bearing type car body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311843514.9A CN117962524A (en) | 2023-12-29 | 2023-12-29 | Rear suspension structure of bearing type car body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117962524A true CN117962524A (en) | 2024-05-03 |
Family
ID=90857204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311843514.9A Pending CN117962524A (en) | 2023-12-29 | 2023-12-29 | Rear suspension structure of bearing type car body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117962524A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1219892A (en) * | 1967-01-21 | 1971-01-20 | John Donald Catterall | Vehicle suspension |
| CN102490564A (en) * | 2011-12-13 | 2012-06-13 | 上海瑞尔实业有限公司 | Single-trailing arm independent front suspension for automobile |
| CN207128537U (en) * | 2017-07-31 | 2018-03-23 | 浙江春风动力股份有限公司 | All-terrain vehicle and its rocker structure |
| CN216733767U (en) * | 2022-01-06 | 2022-06-14 | 贵州詹阳动力重工有限公司 | Air spring suspension front axle housing assembly and engineering truck |
| CN116890593A (en) * | 2023-07-06 | 2023-10-17 | 合肥工业大学 | Three-spring suspension system based on rigidity stepless adjustable stabilizer bar |
-
2023
- 2023-12-29 CN CN202311843514.9A patent/CN117962524A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1219892A (en) * | 1967-01-21 | 1971-01-20 | John Donald Catterall | Vehicle suspension |
| CN102490564A (en) * | 2011-12-13 | 2012-06-13 | 上海瑞尔实业有限公司 | Single-trailing arm independent front suspension for automobile |
| CN207128537U (en) * | 2017-07-31 | 2018-03-23 | 浙江春风动力股份有限公司 | All-terrain vehicle and its rocker structure |
| CN216733767U (en) * | 2022-01-06 | 2022-06-14 | 贵州詹阳动力重工有限公司 | Air spring suspension front axle housing assembly and engineering truck |
| CN116890593A (en) * | 2023-07-06 | 2023-10-17 | 合肥工业大学 | Three-spring suspension system based on rigidity stepless adjustable stabilizer bar |
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