CN219495636U - Torsion beam rear axle bench test device - Google Patents
Torsion beam rear axle bench test device Download PDFInfo
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- CN219495636U CN219495636U CN202320491528.8U CN202320491528U CN219495636U CN 219495636 U CN219495636 U CN 219495636U CN 202320491528 U CN202320491528 U CN 202320491528U CN 219495636 U CN219495636 U CN 219495636U
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Abstract
The utility model discloses a torsion beam rear axle bench test device which comprises a fixed component, a loading component and an actuating component connected with the loading component, wherein the fixed component and the loading component are respectively arranged on a rear axle; the fixed component comprises a bushing fixed upright post and a damping part fixed upright post, the bushing fixed upright post and the damping part fixed upright post are respectively and detachably arranged on two sides of the rear axle, and the actuating component comprises a servo actuator and an actuator bracket. The torsion beam rear axle is mounted with the fixing assembly, the fixing assembly is fixed on the test bed, the torsion beam rear axle is fixed on the test bed, the direction, the size and the frequency of the transmission force of the servo actuator are controlled, the transverse and longitudinal cyclic force load and the static force load of the torsion beam rear axle are tested, and the fatigue durability and the structural strength of the torsion beam rear axle are detected.
Description
Technical Field
The utility model belongs to the technical field of automobile bench test development, and particularly relates to a torsion beam rear axle bench test device.
Background
The torsion beam rear axle is a chassis structural member of a passenger car, is an installation platform of components such as a tire, a coil spring, a hydraulic damper, a hub brake disc and the like, the strength and the rigidity of the rear axle directly determine the running performance, the riding experience and the service life of the vehicle, the mechanical performance and the durability of the rear axle are required to be subjected to a long-time indoor bench test, and the mechanical performance and the fatigue durability of the torsion beam rear axle are evaluated through accurate test parameter results.
Most of the existing test methods adopt real vehicle test methods, and because of the difference of test standards, the test period is longer, strict requirements are made on the environment of a test site, the required test cost is higher, the existing test device has single test function, and can not carry out fatigue endurance tests in different directions on different positions of a rear axle, or static load tests with specified loading speed, so that the test effect is not accurate enough, and the test efficiency is lower.
Disclosure of Invention
In order to solve the problems in the prior art, the utility model aims to provide a torsion beam rear axle bench test device.
The technical scheme adopted by the utility model is as follows:
a torsion beam rear axle bench test apparatus, comprising: the device comprises a fixed component, a loading component and an actuating component connected with the loading component, wherein the fixed component and the loading component are respectively arranged on a rear axle; the fixed subassembly includes bush fixed stand and shock attenuation part fixed stand, the bush fixed stand with shock attenuation part fixed stand respectively demountable installation is in the both sides of rear axle, actuating subassembly includes servo actuator and actuator support, servo actuator's one end with loading assembly connects, actuator support one side with the actuator can dismantle and be connected.
As the preferable mode of the utility model, the bushing fixing upright post is provided with the bushing fixing plate, one side of the bushing fixing plate is provided with the bushing clamping plate, the bushing clamping plate is hinged with the bushing of the rear axle, one side of the damping part fixing upright post is provided with the damper fixing plate and the spiral spring fixing plate, and the damper fixing plate is arranged on the damper installation pivot of the rear axle.
Preferably, the bushing fixing plate is mounted on the bushing fixing post, the damper fixing plate and the coil spring fixing plate are mounted on the damper part fixing post, respectively, and the damper fixing plate is located above the coil spring fixing plate.
Preferably, the fixing components are arranged in two and mirror images of each other along the center of the rear axle.
Preferably, the loading assembly comprises a horizontal loading plate, a vertical loading plate and a backing plate, wherein one end of the horizontal loading plate and one end of the vertical loading plate are respectively arranged on the hub mounting plate of the rear axle.
Preferably, the actuating assembly comprises an end joint bearing and an actuator connecting rod, the end joint bearing is hinged to the loading plate assembly, one end of the servo actuator is connected with the actuator connecting rod, the other end of the servo actuator is connected with an actuator bracket, and one side of the servo actuator is provided with an actuator hanging bracket for hanging the servo actuator.
Preferably, the actuating assembly comprises two upright posts and a cross beam, wherein the cross beam is fixed between the two upright posts through bolts, and the servo actuator is hung on the cross beam through bolts.
As the preferable mode of the utility model, the bushing fixing upright post and the shock absorption part fixing upright post are cuboid, a base plate is arranged on one top surface, mounting grooves are arranged on three side surfaces adjacent to the base plate, and the mounting grooves are detachably connected with the bushing fixing plate and the shock absorber fixing plate respectively through bolts.
The beneficial effects of the utility model are as follows:
1. the utility model is used as a torsion beam rear axle bench test device, the torsion beam rear axle is mounted with the fixing component, the fixing component is fixed on the test bench, the torsion beam rear axle is fixed on the test platform, the servo actuator is connected with the test contact point through simulating the contact point to be tested of the torsion beam, the direction, the size and the frequency of the transmission force of the servo actuator are controlled, the transverse and longitudinal cyclic force load and the static force load of the torsion beam rear axle are tested, the test of controllable parameters is realized, the use condition of the torsion beam rear axle on a real road is effectively simulated, and the fatigue durability and the structural strength of the torsion beam rear axle are detected.
2. By changing the connection position and the connection direction of the actuator assembly and the horizontal loading plate, horizontal longitudinal or transverse circulating force load or static load is applied to the left and right wheels or the grounding point of the single-side wheel of the torsion beam rear axle, the horizontal loading plate is provided with a longitudinal and transverse loading bracket, and a wheel center loading hole is formed, so that the direction and the force value precision of the force applied to the grounding point of the wheel of the torsion beam rear axle by the actuator are ensured, and the installation efficiency, the service life and the maintainability of the test device are improved.
3. The connecting position and the connecting direction of the servo actuator assembly and the vertical loading plate on the truss assembly are changed, the circulating force load in the vertical direction is applied to the wheel centers of the left and right wheels of the torsion beam rear axle, the vertical loading plate is provided with a wheel center hole, the concave feature of up-and-down movement of the joint bearing at the avoiding end is processed, so that the direction of the force applied to the wheel center of the torsion beam rear axle by the actuator and the force value precision are ensured, and the mounting efficiency, the service life and the maintainability of the test device are improved.
4. The actuator support and the actuator hanger of the actuator assembly have enough structural rigidity, can effectively restrict the installation position of the servo actuator, ensure that the servo actuator outputs acting force with specified direction and force value according to test project requirements, and can adjust the installation height of the servo actuator on the actuator support and the actuator hanger by changing the heights of the actuator support and the hanger so as to adapt to the wheel grounding point height and the wheel center height of rear axles of torsion beams of different types.
5. According to the same direction of real vehicle installation, the torsion beam rear axle is fixed on the test platform, so that the fatigue endurance test load and the static test load of the test standard required displacement or force value are realized, the structure of the test device is simplified, and the assembly efficiency of the test device is improved.
Drawings
The utility model will be described in further detail with reference to the accompanying drawings and detailed description.
FIG. 1 is a schematic view of a horizontal longitudinal (X-direction) loading state of a left and right wheel grounding point according to an embodiment of the present utility model;
FIG. 2 is a schematic view of a horizontal transverse (Y-direction) loading state of the left and right wheel grounding points according to an embodiment of the present utility model;
FIG. 3 is a schematic view of a left side hub in a horizontal longitudinal (X-direction) loading state according to an embodiment of the present utility model;
FIG. 4 is a schematic view of a vertical (Z-direction) loading state of the left and right wheel hubs according to an embodiment of the present utility model;
FIG. 5 is a schematic view of a left side wheel center vertical (Z-direction) loading state according to an embodiment of the present utility model;
FIG. 6 is an enlarged schematic view of the utility model at A of FIG. 5;
FIG. 7 is a schematic view of a vertical (Z-direction) torsional stiffness loading condition of an embodiment of the present utility model;
FIG. 8 is a schematic view of a bushing-securing post of the present utility model;
FIG. 9 is a schematic view of a securing assembly of the present utility model;
FIG. 10 is a schematic view of a horizontal load plate of the present utility model;
FIG. 11 is a schematic view of an actuation assembly of the present utility model.
In the figure: 1. a rear axle; 2. a fixing assembly; 3. loading the assembly; 4. an actuation assembly; 11. rear axle trailing arms; 12. a coil spring; 13. a hub mounting plate; 14. a damper mounting fulcrum; 21. the bush fixes the upright post; 22. the damping part is fixed on the upright post; 23. a bushing fixing plate; 24. a bushing clamping plate; 25. a damper fixing plate; 26. a coil spring fixing plate; 27. a mounting groove; 31. a horizontal loading plate; 32. a vertical loading plate; 33. a backing plate; 41. a servo actuator; 42. an actuator support; 43. an actuator hanger; 44. an actuator connecting rod; 45. an end knuckle bearing; 46. a column; 47. and a cross beam.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the utility model, i.e., the embodiments described are merely some, but not all, of the embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.
Referring to fig. 1 to 11, a torsion beam rear axle 1 bench test device according to the embodiment of the utility model is described below, which comprises a fixing component 2, a loading component 3 and an actuating component 4 connected with the loading component 3, wherein the fixing component 2 comprises a bushing fixing upright 21 and a damping part fixing upright 22, the fixing component 2 and the loading component 3 are mirror images of each other along the left side and the right side of the center of the rear axle 1 respectively, the bushing fixing upright 21 and the damping part fixing upright 22 are arranged on the two sides of the rear axle 1 in the left side part, one side of the bushing fixing upright 21 is detachably connected with a bushing fixing plate 23 through a mounting groove 27, and the other side of the bushing fixing plate 23 is hinged with a rear axle longitudinal arm 11 of the rear axle 1 through a bushing clamping plate 24; the shock absorbing part fixing upright post 22 is detachably connected with the shock absorber fixing plate 25 on one side through the mounting groove 27, and the shock absorber fixing plate 25 on the other side is hinged with the shock absorber mounting pivot 14 of the rear axle 1.
Advantageously, the coil spring fixing plate 26 is installed on one side of the damping part fixing upright 22 and is located below the damper fixing plate 25, and is used for fixing the coil spring 12 in the rear axle 1, in the loading assembly 3, the upper end of the horizontal loading plate 31 is detachably installed on the hub mounting plate 13, the lower end of the horizontal loading plate 31 is installed with the backing plate 33, the backing plate 33 is used as a sliding plane of the roller of the horizontal loading plate 31, the backing plate is placed on the experimental platform, one side of the loading plate is hinged with the end knuckle bearing 45, the end knuckle bearing 45 is connected with the actuator connecting rod 44, the other end of the actuator connecting rod 44 is connected with the servo actuator 41, the test of fatigue durability and structural strength of the rear axle 1 is realized by transmitting the cyclic force load or static force load output by the servo actuator 41 to the loading assembly 3, the loading assembly 3 is fixed on the torsion beam rear axle 1 to be tested, the connection relation and the position relation between the fixing assembly 2, the loading assembly 3 and the actuating assembly 4 required for the left side in each embodiment are mirror images, the right side and the left side are not specially limited in each embodiment, and the left side is not identical in structure.
As shown in fig. 1, in the first embodiment, a horizontal longitudinal (X-direction) loading state of the ground points of the left and right wheels is provided, a hydraulic jack is used for lifting the rear axle 1 to a proper position, a spiral spring fixing plate 26 is fixed, a spiral spring 12 is compressed to a proper position, the position of a shock absorber fixing plate 25 is adjusted, the installation height is matched with the rear axle 1, a horizontal loading plate 31 with rollers longitudinally arranged is installed on a hub mounting plate 13 of the rear axle 1 by bolts, and a backing plate 33 is placed; the mounting positions of the servo actuator 41 on the actuator bracket 42 and the actuator hanger 43 are adjusted so that the height of the round hole of the end knuckle bearing 45 in the actuator assembly 4 is identical to the height of the longitudinal loading bracket center of the horizontal loading plate 31. After the servo actuator 41 is directionally adjusted to be in the longitudinal direction (X direction), the actuating assembly 4 is moved until the round hole axis of the end knuckle bearing 45 is overlapped with the round hole axis of the longitudinal loading support, and then the end knuckle bearing 45 and the longitudinal loading assembly 3 are hinged by bolts; after the rear axle 1 and the test device are combined according to the required position of the drawing, all fasteners are locked, the servo actuator 41 applies longitudinal (X-direction) circulating force load or static force load to the grounding points of the left wheel and the right wheel of the torsion beam rear axle 1 according to a set program, the vehicle body fixing assembly 2 simulates the connection structure form of the rear axle 1 and the vehicle body, the structural rigidity meets the requirement of the vehicle body rigidity, the structural rigidity of the actuator bracket 42 meets the requirement of the test standard, and the stress deformation condition of the torsion beam rear axle 1 meets the stress deformation condition in the real road driving process in the test process.
As shown in fig. 2, in the second embodiment, a horizontal transverse (Y-direction) loading state is provided for the ground points of the left and right wheels, and the assembly of the parts of the present embodiment is substantially identical to that of the first embodiment, except that the connection position of the horizontal loading plate 31 and the actuating assembly 4 is changed, in this embodiment, the end knuckle bearing 45 is detachably connected to the horizontal loading plate 31 in the transverse direction, perpendicular to the different surface of the hub mounting plate 13 of the rear axle 1, and after the parts are assembled, the rear axle 1 and the test device are combined, and all fasteners are locked; the servo actuator 41 applies a transverse (Y-direction) cyclic force load or a static load to the wheel center grounding points of the left and right wheels of the torsion beam rear axle 1 according to a set program, the vehicle body fixing assembly 2 simulates the connection structure form of the rear axle 1 and the vehicle body, the structural rigidity meets the vehicle body rigidity requirement, the structural rigidity of the actuator bracket 42 meets the requirement of a test standard, and the stress deformation condition of the torsion beam rear axle 1 is enabled to be in accordance with the stress deformation condition in the real road driving process in the test process.
As shown in fig. 3, in the third embodiment, a horizontal longitudinal (X-direction) loading state of the left wheel center is provided, in this embodiment, in the first embodiment, the horizontal longitudinal (X-direction) loading state of the left wheel center is tested, the parts are assembled consistently, but the installation of the right actuating component 4 is lacking, after the rear axle 1 and the test device are combined, all fasteners are locked, the servo actuator 41 applies a longitudinal (X-direction) cyclic force load or a static load to the left wheel center of the torsion beam rear axle 1 according to a set program, the vehicle body fixing component 2 simulates the connection structure form of the rear axle 1 and the vehicle body, the structural rigidity meets the requirement of the vehicle body rigidity, the structural rigidity of the actuator bracket 42 meets the requirement of the test standard, and the stress deformation condition of the torsion beam rear axle 1 meets the stress deformation condition in the real road running process in the test process.
As shown in fig. 4, in the fourth embodiment, a vertical (Z-direction) loading state of the wheel center of the left and right wheels is provided, the parts of the fixing assembly 2 are assembled, in the loading assembly 3, the vertical loading plate 32 is detachably mounted on the hub mounting plate 13, the vertical loading plate 32 is hinged with an end joint bearing 45, the end joint bearing 45 is hinged with one end of an actuator connecting rod 44, the other end of the actuator connecting rod 44 is connected with a servo actuator 41, the servo actuator 41 is suspended on a cross beam 47 through bolts, two ends of the cross beam 47 are respectively provided with a stand column 46, the bottom end of the stand column 46 is provided with a reinforcing rib and a bottom plate with a mounting hole and a mounting groove 27, and the stand column 46 is fixed on a test platform by using bolts and T-shaped nuts to lock the bottom plate; the required height of the fixing assembly 2 is adjusted, the rear axle 1 is combined with the testing device, all fasteners are locked, and the servo actuator 41 applies a vertical (Z-direction) same-direction or reverse-direction circulating force load to the wheel centers of the left and right wheels of the torsion beam rear axle 1 according to a set program. The vehicle body fixing assembly 2 simulates the connection structure form of the torsion beam rear axle 1 and the vehicle body, the structural rigidity meets the vehicle body rigidity requirement, the structural rigidity of the actuating assembly 4 meets the test load rigidity requirement, and the stress deformation condition of the torsion beam rear axle 1 accords with the stress deformation condition in the real road driving process in the bench test process.
As shown in fig. 5 and 6, in the fifth embodiment, a left side wheel center vertical (Z direction) loading state is provided, in the fifth embodiment, in the fourth embodiment, the left side wheel center vertical (Z direction) loading state is provided, the parts are assembled consistently, only the installation of the right side actuating assembly 4 is lacking, after the fixing assembly 2 and the loading assembly 3 are installed, the installation height of the rear axle 1 relative to the vehicle body fixing assembly 2 and the installation position of the servo actuator 41 on the cross beam 47 are adjusted, the heights of the round hole of the end joint bearing 45 of the actuating assembly 4 and the round hole of the wheel center of the vertical loading plate 32 are consistent, the servo actuator 41 is oriented and adjusted to the vertical (Z direction) direction by using an angle meter, the servo actuator 41 is moved until the round hole of the end joint bearing 45 and the round hole of the wheel center of the vertical loading plate 32 coincide, and the end joint bearing 45 and the vertical loading plate 32 are hinged by bolts; after the rear axle 1 and the test device are combined, all fasteners are locked, and the servo actuator 41 applies a vertical (Z-direction) cyclic force or static load to the center of the left wheel of the torsion beam rear axle 1 according to a set program. The vehicle body fixing assembly 2 simulates the connection structure form of the torsion beam rear axle 1 and the vehicle body, the structural rigidity meets the vehicle body rigidity requirement, the structural rigidity of the actuating assembly 4 meets the test load rigidity requirement, and the stress deformation condition of the torsion beam rear axle 1 accords with the stress deformation condition in the real road driving process in the bench test process.
As shown in fig. 7, in the sixth embodiment, a vertical (Z-direction) torsional rigidity loading state is provided, in this embodiment, the vertical (Z-direction) torsional rigidity loading state is detachably connected to the rear axle 1 through the bushing fixing upright post 21, one side of the bushing fixing upright post 21 is detachably mounted to the bushing fixing plate 23 through the mounting groove 27, one end of the bushing fixing plate 23 is connected to the bushing clamping plate 24, two bushing clamping plates 24 are hinged to the bushings of the trailing axle trailing arm 11, the actuating assembly 4 is mounted on two sides of the rear axle 1, the servo actuator 41 is suspended on the cross beam 47 through the upright post 46 and the cross beam 47, so that the output direction of the force of the servo actuator 41 is perpendicular to the vertical test platform, one end of the servo actuator 41 is detachably connected to the actuator connecting rod 44, the other end of the actuator connecting rod 44 is detachably connected to the end joint bearing 45, the end joint bearing 45 is hinged to the vertical loading plate 32, the vertical loading plate 32 is detachably mounted to the hub mounting plate 13, after the rear axle 1 and the test device are combined, all fasteners are locked, and the servo actuator 41 applies a reverse cyclic force load or static load in the vertical direction (Z-direction) to the left and right wheel center of the torsion beam rear axle 1 according to a set program. The vehicle body fixing assembly 2 simulates the connection structure form of the torsion beam rear axle 1 and the vehicle body, the structural rigidity meets the vehicle body rigidity requirement, the structural rigidity of the actuating assembly 4 meets the test load rigidity requirement, and the stress deformation condition of the torsion beam rear axle 1 accords with the stress deformation condition in the real road driving process in the bench test process.
The working principle of the utility model
In the first embodiment, the fixing assembly 2 is used for installing the rear axle 1 on a test bench, the circulating force load or static force load output by the actuating assembly 4 is transmitted to the horizontal loading plate 31 installed and connected on the rear axle 1 through servo, the horizontal loading plate 31 is fixedly installed on the hub mounting plate 13, and the longitudinal (X-direction) stress deformation condition of the grounding points of the left and right wheels of the rear axle 1 is simulated by controlling the output force load transmitted to the rear axle 1 by the servo actuator 41, so that the fatigue durability and the structural strength of the rear axle are tested.
In the second embodiment, the output end of the servo actuator 41 is perpendicular to the horizontal loading plate 31 in different planes through the assembly direction of the actuating assembly 4, so as to simulate the horizontal transverse (Y-direction) stress deformation condition of the wheel centers of the left and right wheels, and the controllable cyclic force load or static force load output by the servo actuator 41 is transmitted to the rear axle 1, so as to test the fatigue durability and structural strength of the rear axle.
In the third embodiment, the horizontal and longitudinal (X) loading state of the left wheel center of the rear axle 1 in the real vehicle is simulated, the actuating assembly 4 on the right side is removed, and a unilateral test is performed to simulate the longitudinal (X) stress deformation condition applied to the grounding point of the left wheel center of the rear axle 1, so that the fatigue durability and the structural strength of the rear axle are tested.
In the fourth embodiment, the actuating assemblies 4 are mounted on two sides of the rear axle 1, the servo actuators 41 are mounted on the test assemblies through the upright posts 46 and the cross beams 47, the servo actuators 41 are suspended on the cross beams 47, the direction of the output force of the servo actuators 41 is perpendicular to the test platform, and the output force of the servo actuators 41 is transmitted to the rear axle 1 through the vertical loading plate 32 to simulate the load of the left and right wheel centers of the rear axle 1 in the same direction or reverse circulating force in the vertical direction (Z direction), so that the fatigue durability and the structural strength of the rear axle are tested.
In the fifth embodiment, a single-side test is performed by simulating the state of applying a cyclic force load or a static force load in the vertical direction (Z direction) to the wheel center of the left wheel, and the right actuating assembly 4 is removed to simulate the vertical direction (Z direction) stress deformation condition of the wheel center of the left wheel, so that the fatigue durability and the structural strength of the wheel center of the left wheel are tested.
In the sixth embodiment, the bush fixing upright 21 and the rear axle 1 are connected and mounted on a test apparatus through the upright 46 and the cross beam 47, the vertical loading plate 32 is mounted on the hub mounting plate 13 by connecting the servo actuator 41 with the vertical loading plate 32, and the vertical (Z-direction) stress deformation condition is simulated by transmitting the cyclic force load or the static force load outputted from the servo actuator 41 to the rear axle 1, and the torsional rigidity and the structural strength thereof are tested.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The foregoing is merely illustrative of the structures of this utility model and various modifications, additions and substitutions for those skilled in the art can be made to the described embodiments without departing from the scope of the utility model or from the scope of the utility model as defined in the accompanying claims.
Claims (8)
1. A torsion beam rear axle bench test apparatus, comprising: the device comprises a fixed component, a loading component and an actuating component connected with the loading component, wherein the fixed component and the loading component are respectively arranged on a rear axle; the fixed subassembly includes bush fixed stand and shock attenuation part fixed stand, the bush fixed stand with shock attenuation part fixed stand respectively demountable installation is in the both sides of rear axle, actuating subassembly includes servo actuator and actuator support, servo actuator's one end with loading assembly connects, actuator support one side with the actuator can dismantle and be connected.
2. The torsion beam rear axle bench test apparatus according to claim 1, wherein: the shock absorber is characterized in that a bushing fixing plate is arranged on the bushing fixing upright post, a bushing clamping plate is arranged on one side of the bushing fixing plate, the bushing clamping plate is hinged with a bushing of the rear axle, a shock absorber fixing plate and a spiral spring fixing plate are arranged on one side of the shock absorber fixing upright post, and the shock absorber fixing plate is arranged on a shock absorber installation fulcrum of the rear axle.
3. The torsion beam rear axle bench test apparatus according to claim 2, wherein: the bushing fixing plate is installed on the bushing fixing upright post, the shock absorber fixing plate and the spiral spring fixing plate are installed on the shock absorbing part fixing upright post respectively, and the shock absorber fixing plate is located above the spiral spring fixing plate.
4. The torsion beam rear axle bench test apparatus according to claim 2, wherein: the fixing components are arranged in two and are mirror images of each other along the center of the rear axle.
5. The torsion beam rear axle bench test apparatus according to claim 1, wherein: the loading assembly comprises a horizontal loading plate, a vertical loading plate and a backing plate, wherein one end of the horizontal loading plate and one end of the vertical loading plate are respectively arranged on a hub mounting plate of the rear axle.
6. The torsion beam rear axle bench test apparatus according to claim 1, wherein: the actuating assembly comprises an end joint bearing and an actuator connecting rod, the end joint bearing is hinged to the loading assembly, one end of the servo actuator is connected with the actuator connecting rod, an actuator support is connected to the other end of the servo actuator, and an actuator hanging bracket is arranged on one side of the servo actuator and used for hanging the servo actuator.
7. The torsion beam rear axle bench test apparatus according to claim 5, wherein: the actuating assembly comprises two upright posts and two cross beams, the cross beams are fixed between the two upright posts through bolts, and the servo actuator is suspended on the cross beams through bolts.
8. The torsion beam rear axle bench test apparatus according to claim 1, wherein: the lining fixing upright post and the shock absorption part fixing upright post are cuboid, a base plate is arranged on one top surface of the lining fixing upright post and the shock absorption part fixing upright post, mounting grooves are formed in three side surfaces adjacent to the base plate, and the mounting grooves are detachably connected with the lining fixing plate and the shock absorber fixing plate respectively through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320491528.8U CN219495636U (en) | 2023-03-15 | 2023-03-15 | Torsion beam rear axle bench test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320491528.8U CN219495636U (en) | 2023-03-15 | 2023-03-15 | Torsion beam rear axle bench test device |
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| CN219495636U true CN219495636U (en) | 2023-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320491528.8U Active CN219495636U (en) | 2023-03-15 | 2023-03-15 | Torsion beam rear axle bench test device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117054125A (en) * | 2023-09-27 | 2023-11-14 | 万向钱潮股份公司 | Vehicle torsion beam fatigue detection device and method |
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2023
- 2023-03-15 CN CN202320491528.8U patent/CN219495636U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117054125A (en) * | 2023-09-27 | 2023-11-14 | 万向钱潮股份公司 | Vehicle torsion beam fatigue detection device and method |
| CN117054125B (en) * | 2023-09-27 | 2023-12-15 | 万向钱潮股份公司 | Vehicle torsion beam fatigue detection device and method |
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