CN215850620U - Rear axle suspension structure in car - Google Patents
Rear axle suspension structure in car Download PDFInfo
- Publication number
- CN215850620U CN215850620U CN202122327745.7U CN202122327745U CN215850620U CN 215850620 U CN215850620 U CN 215850620U CN 202122327745 U CN202122327745 U CN 202122327745U CN 215850620 U CN215850620 U CN 215850620U
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- supporting seat
- vibration attenuation
- frame
- steel plate
- oil cylinder
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Abstract
The utility model discloses a middle and rear axle suspension structure of an automobile, belonging to the technical field of automobile accessories, wherein a front fixing seat and a rear fixing seat which are fixedly connected are respectively arranged at the bottoms of two ends of a frame, a steel plate spring group is arranged at the lower side of the frame, two ends of the steel plate spring group are respectively fixedly arranged on a front vibration attenuation supporting seat and a rear vibration attenuation supporting seat, the upper part of the front vibration attenuation supporting seat is hinged with the front fixing seat through a front vibration attenuation oil cylinder, the upper part of the rear vibration attenuation supporting seat is hinged with the rear fixing seat through a rear vibration attenuation oil cylinder, vibration attenuation is carried out through the front vibration attenuation supporting seat and the rear vibration attenuation supporting seat, the frame is supported and kept balanced through buffering and correction through the front vibration attenuation oil cylinder and the rear vibration attenuation oil cylinder, the defect of gravity center deviation caused by the inclination of an automobile body is thoroughly eliminated, the high-frequency reciprocating compression application can be borne by the automobile in the driving process through a front vibration attenuation damper and a rear vibration attenuation damper, so that the automobile runs stably.
Description
Technical Field
The utility model belongs to the technical field of automobile accessories, and particularly relates to a suspension structure of a middle and rear axle of an automobile.
Background
When a heavy-duty truck with double rear axles runs on an uneven road surface, in order to keep good grounding performance of wheels, a vehicle suspension is generally adopted, and the vehicle suspension is a general term for a device for elastically connecting a frame and the wheels and has the functions of guiding, buffering and damping.
The existing middle and rear axle suspension usually consists of two longitudinal leaf springs, two ends of each leaf spring are carried on an axle to bear vertical load and lateral force, the middle part of each leaf spring can rotate around a balance shaft, and the balance shaft is fixed on a frame through a support. However, due to the fact that the material loading is not uniform, deformation of the steel plate spring is inconsistent, the vehicle body is prone to tilting, stability is poor, and overturning is caused in severe cases.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the utility model provides a rear axle suspension structure in an automobile, which has higher stability.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a rear axle suspension structure in car, includes frame, front axle and rear axle frame both ends bottom sets up fixed connection's preceding fixing base and back fixing base respectively the frame downside is equipped with leaf spring group, leaf spring group both ends are fixed respectively and are set up in the front on preceding damping supporting seat and back damping supporting seat, preceding damping supporting seat upper portion is through the articulated preceding fixing base of preceding damping hydro-cylinder, back damping supporting seat upper portion is through the articulated after-fixing base of back damping hydro-cylinder frame side is equipped with preceding support frame and back support frame, preceding support frame passes through preceding damping damper and connects preceding locating pin, back support frame passes through back damping damper and connects the back locating pin, preceding locating pin and back locating pin are all fixed at leaf spring group.
Preferably, the leaf spring group is an inverted arc leaf spring group.
Preferably, a balance shaft is arranged at the bottom of the center of the leaf spring set.
Preferably, the balance shaft is fixed by a U-shaped bolt penetrating through the leaf spring set.
Preferably, the front axle is fixedly sleeved on the lower part of the front vibration reduction supporting seat, and the rear axle is fixedly sleeved on the lower part of the rear vibration reduction supporting seat.
Preferably, the front vibration-damping supporting seat, the front vibration-damping oil cylinder, the front vibration-damping damper, the rear vibration-damping supporting seat, the rear vibration-damping oil cylinder and the rear vibration-damping damper are symmetrically arranged.
Compared with the prior art, the utility model has the following beneficial effects: according to the utility model, the front vibration-damping support seat and the rear vibration-damping support seat are used for vibration damping, the front vibration-damping oil cylinder and the rear vibration-damping oil cylinder are used for buffering and correcting, the frame is supported to keep balance, the defect of gravity center deviation caused by vehicle body inclination is thoroughly eliminated, and the front vibration-damping damper and the rear vibration-damping damper are used for enabling the vehicle to bear high-frequency reciprocating compression application in the driving process, so that the vehicle can run stably.
Drawings
The utility model is further described with reference to the following figures and detailed description.
FIG. 1 is a schematic structural diagram of a rear axle suspension structure in an automobile according to the present invention;
in the figure: 1. a frame; 2. a front axle; 3. a rear axle; 4. a leaf spring set; 5. a front vibration reduction supporting seat; 6. a rear vibration reduction supporting seat; 7. a front vibration damping cylinder; 8. a front fixed seat; 9. a rear vibration damping oil cylinder; 10. a rear fixed seat; 11. a front support frame; 12. a rear support frame; 13. a front shock absorber damper; 14. a front locating pin; 15. a rear shock absorber damper; 16. a rear positioning pin; 17. a balance shaft; u-shaped bolt
Detailed Description
In order to make the technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following specific embodiments.
The utility model discloses a rear axle suspension structure in an automobile, which comprises a frame 1, a front axle 2 and a rear axle 3, the bottom parts of the two ends of the frame 1 are respectively provided with a front fixed seat 8 and a rear fixed seat 10 which are fixedly connected, a steel plate spring group 4 is arranged at the lower side of the frame 1, two ends of the steel plate spring group 4 are respectively and fixedly arranged on a front vibration damping supporting seat 5 and a rear vibration damping supporting seat 6, the upper part of the front vibration damping supporting seat 5 is hinged with a front fixed seat 8 through a front vibration damping oil cylinder 7, the upper part of the rear vibration damping supporting seat 6 is hinged with a rear fixed seat 10 through a rear vibration damping oil cylinder 9, a front support frame 11 and a rear support frame 12 are arranged on the side surface of the frame 1, the front support frame 11 is connected with a front positioning pin 14 through a front shock absorption damper 13, the rear support frame 12 is connected with a rear positioning pin 16 through a rear shock absorber damper 15, and the front positioning pin 14 and the rear positioning pin 16 are fixed on the steel plate spring group 4.
In the utility model, the front axle 2 is fixedly sleeved at the lower part of the front vibration damping supporting seat 5, and the rear axle 3 is fixedly sleeved at the lower part of the rear vibration damping supporting seat 6. 4 both ends of leaf spring group are fixed respectively and are set up in the front on damping supporting seat 5 and back damping supporting seat 6, carry out the damping through preceding damping supporting seat 5 and back damping supporting seat 6, preceding damping supporting seat 5 upper portion is through preceding damping hydro-cylinder 7 articulated preceding fixing base 8, 6 upper portions of back damping supporting seat are through the articulated back fixing base 10 of back damping hydro-cylinder 9, cushion through preceding damping hydro-cylinder 7 and back damping hydro-cylinder 9 and correct, hold up frame 1 and keep balance, thoroughly eliminate because of the skew defect of automobile body slope and lead to the focus.
The front vibration-damping supporting seat 5, the front vibration-damping oil cylinder 7, the front vibration-damping damper 13, the rear vibration-damping supporting seat 6, the rear vibration-damping oil cylinder 9 and the rear vibration-damping damper 15 are symmetrically arranged. Leaf spring group 4 is reverse hanging type arc leaf spring group 4 center bottom is equipped with balanced axle 17, balanced axle 17 is fixed through the U type bolt 18 that runs through leaf spring group 4. The front support frame 11 is connected with a front positioning pin 14 through a front shock absorption damper 13, the rear support frame 12 is connected with a rear positioning pin 16 through a rear shock absorption damper 15, and the front positioning pin 14 and the rear positioning pin 16 are both fixed on the steel plate spring group 4. Through the front shock absorption damper 13 and the rear shock absorption damper 15, the automobile can bear high-frequency reciprocating compression application in the running process, and the automobile can run stably.
It should be understood that the detailed description and specific examples, while indicating the utility model, are given by way of illustration only, since various other embodiments will become apparent to those skilled in the art upon reference to the following detailed description.
Claims (6)
1. The utility model provides a rear axle suspension structure in car which characterized in that: the automobile shock absorber supporting frame comprises a frame (1), a front axle (2) and a rear axle (3), wherein a front fixing seat (8) and a rear fixing seat (10) which are fixedly connected are respectively arranged at the bottoms of the two ends of the frame (1), a steel plate spring group (4) is arranged on the lower side of the frame (1), the two ends of the steel plate spring group (4) are respectively and fixedly arranged on a front shock absorption supporting seat (5) and a rear shock absorption supporting seat (6), the upper part of the front shock absorption supporting seat (5) is hinged with the front fixing seat (8) through a front shock absorption oil cylinder (7), the upper part of the rear shock absorption supporting seat (6) is hinged with the rear fixing seat (10) through a rear shock absorption oil cylinder (9), a front supporting frame (11) and a rear supporting frame (12) are arranged on the side face of the frame (1), the front supporting frame (11) is connected with a front positioning pin (14) through a front shock absorption damper (13), and the rear supporting frame (12) is connected with a rear positioning pin (16) through a rear shock absorption damper (15), the front positioning pin (14) and the rear positioning pin (16) are fixed on the steel plate spring set (4).
2. The suspension structure for a rear axle in an automobile according to claim 1, wherein: the steel plate spring group (4) is an inverted arc-shaped steel plate spring group.
3. The suspension structure for a rear axle in an automobile according to claim 2, wherein: and a balance shaft (17) is arranged at the bottom of the center of the steel plate spring group (4).
4. The suspension structure for a rear axle in an automobile according to claim 3, wherein: the balance shaft (17) is fixed through a U-shaped bolt (18) penetrating through the steel plate spring set (4).
5. The suspension structure for a rear axle in an automobile according to claim 1, wherein: front axle (2) cup joints fixedly and sets up in front damping supporting seat (5) lower part, rear axle (3) cup joints fixedly and sets up in rear damping supporting seat (6) lower part.
6. The suspension structure for a rear axle in an automobile according to claim 1, wherein: the front vibration reduction supporting seat (5), the front vibration reduction oil cylinder (7), the front vibration reduction damper (13), the rear vibration reduction supporting seat (6), the rear vibration reduction oil cylinder (9) and the rear vibration reduction damper (15) are symmetrically arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122327745.7U CN215850620U (en) | 2021-09-25 | 2021-09-25 | Rear axle suspension structure in car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122327745.7U CN215850620U (en) | 2021-09-25 | 2021-09-25 | Rear axle suspension structure in car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215850620U true CN215850620U (en) | 2022-02-18 |
Family
ID=80260765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122327745.7U Active CN215850620U (en) | 2021-09-25 | 2021-09-25 | Rear axle suspension structure in car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215850620U (en) |
-
2021
- 2021-09-25 CN CN202122327745.7U patent/CN215850620U/en active Active
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