CN213121049U - Impact test device for automobile suspension system - Google Patents
Impact test device for automobile suspension system Download PDFInfo
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- CN213121049U CN213121049U CN202021858874.8U CN202021858874U CN213121049U CN 213121049 U CN213121049 U CN 213121049U CN 202021858874 U CN202021858874 U CN 202021858874U CN 213121049 U CN213121049 U CN 213121049U
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Abstract
The utility model discloses an automotive suspension system impact test device, strike the subassembly including rack and pendulum, pendulum strikes the subassembly and is located the left side or the right side of rack, the rack includes the base and sets up bracket component on the base, the bracket component be used for with the left and right sides fixed connection of the suspension that awaits measuring of invering, pendulum strikes the subassembly and can strike keeping away from suspension one side that awaits measuring of wheel. The utility model provides an automotive suspension system impact test device has that area is little, the convenient accurate advantage of impact energy control, adopts the modularized design, is applicable to the torsion beam type suspension system of multiple size specification.
Description
Technical Field
The utility model relates to an automobile chassis intensity impact test equipment technical field, concretely relates to automotive suspension system impact test device.
Background
At present, in a suspension system strength impact test in the industry, a trolley which rolls forwards is often adopted to impact a barrier or a longitudinal barrier on a wheel in a radial direction, so that whether the suspension system and the wheel meet the requirements of some driving conditions of a user or not is evaluated. The existing suspension system impact trolley test has the following problems: the test bed needs a large area, because the test needs a runway with a long enough distance to reach the impact speed of the trolley, at least one standard basketball court area is needed, a plurality of built laboratories do not have site construction conditions, and if the investment plan construction suspension system impacts the trolley test bed, the site construction cost is extremely high; secondly, the speed control of the trolley is inaccurate, and because the speed of the suspension system impacting the trolley is the speed which reaches the test requirement by running a certain distance through a runway, the speed is influenced by more factors, such as the type of a tire, the weight of the trolley, the initial speed, the rolling resistance and the like.
Disclosure of Invention
In view of this, the utility model aims at overcoming the defect among the prior art, providing automobile suspension system impact test device, having area little, the convenient accurate advantage of impact energy control, adopting the modularized design, be applicable to the torsion beam type suspension system of multiple dimensions.
The utility model discloses an automotive suspension system impact test device, including rack and pendulum impact assembly, pendulum impact assembly is located the left side or the right side of rack, the rack includes the base and sets up bracket component on the base, the bracket component is used for the left and right sides fixed connection with the suspension that awaits measuring of invering, pendulum impact assembly can strike keeping away from suspension one side that awaits measuring of wheel.
Further, the bracket component comprises a right rear connecting plate, a left rear connecting plate, a right front connecting plate and a left front connecting plate which are arranged on the base, and the bracket component further comprises a right shock absorber connecting module arranged on the right rear connecting plate, a right shock absorber spring connecting module arranged on the right rear connecting plate, a left shock absorber connecting module arranged on the left rear connecting plate, a left shock absorber spring connecting module arranged on the left rear connecting plate, a right rubber bushing connecting module arranged on the right front connecting plate and a left rubber bushing connecting module arranged on the left front connecting plate.
Further, the right shock absorber connecting module comprises a first supporting frame arranged on the right rear connecting plate and a right shock absorber connecting seat arranged on the first supporting frame; the left shock absorber connecting module comprises a second supporting frame arranged on the left rear connecting plate and a left shock absorber connecting seat arranged on the second supporting frame; the right damping spring connecting module comprises a third supporting frame arranged on the right rear connecting plate and a right damping spring connecting seat arranged on the third supporting frame; the left damping spring connecting module comprises a fourth supporting frame arranged on the left rear connecting plate and a left damping spring connecting seat arranged on the fourth supporting frame; the right rubber bushing connecting module comprises a fifth supporting frame arranged on the right front connecting plate and a right rubber bushing connecting seat arranged on the fifth supporting frame; the left rubber bushing connecting module comprises a sixth supporting frame arranged on the left front connecting plate and a left rubber bushing connecting seat arranged on the sixth supporting frame.
Further, the right shock absorber connecting seat is connected with the first support frame through a bolt; the left shock absorber connecting seat is connected with the second supporting frame through a bolt; the right vibration reduction spring connecting seat is connected with the third supporting frame through a bolt; the left vibration reduction spring connecting seat is connected with the fourth supporting frame through a bolt; the right rubber bushing connecting seat is connected with the fifth supporting frame through a bolt; the left rubber bushing connecting seat is connected with the sixth supporting frame through a bolt.
Further, the base includes the base main part and sets up mounting panel in the base main part, evenly distributed has a plurality of mounting holes on the mounting panel, right back connecting plate left back connecting plate right front connecting plate with evenly distributed has a plurality of butt joint holes on the left front connecting plate, adjacent two the interval in butt joint hole is with adjacent two the interval in mounting hole is the same.
Further, pendulum strikes subassembly includes pendulum main part and pendulum fixed establishment, the pendulum main part includes the connecting rod and sets up the impact portion of the head end of connecting rod, the tail end of connecting rod with pendulum fixed establishment connects, and it makes to apply external force pendulum main part orientation is kept away from the direction of awaiting measuring the wheel and is upwards rotated, stops to apply external force release behind the pendulum main part is free pendulum motion and is close to the wheel that awaits measuring gradually, works as when impact portion moves to the minimum impact portion can be strikeed keeping away from one side of the suspension that awaits measuring of wheel.
The utility model has the advantages that: the utility model discloses an impact test device of an automobile suspension system, which carries out impact test on wheels through a pendulum impact assembly, the suspension to be tested and the wheels to be tested do not need to move, and the long-distance acceleration is not needed, so that the occupied area is small; the strength of the impact energy can be adjusted according to the lifting height of the pendulum bob main body, and the impact energy is conveniently and accurately controlled; each part of the rack adopts a modular design, and is suitable for torsion beam type suspension systems with various dimensions.
Drawings
The invention will be further described with reference to the following figures and examples:
fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the base of the present invention;
fig. 3 is a schematic structural view of the bracket assembly of the present invention.
Description of the main reference numerals: 11-an auxiliary frame, 12-a damping spring, 13-a damper, 14-a rubber bushing, 15-a wheel to be tested, 20-a base, 21-a base body, 22-a mounting plate, 23-a sensor mounting part, 30-a bracket component, 311-a right rear connecting plate, 312-a left rear connecting plate, 313-a right front connecting plate, 314-a left front connecting plate, 321-a first support frame, 322-a right damper connecting seat, 331-a second support frame, 332-a left damper connecting seat, 341-a third support frame, 342-a right damping spring connecting seat, 351-a fourth support frame, 352-a left damping spring connecting seat, 361-a fifth support frame, 362-a right rubber bushing connecting seat, 371-a sixth support frame, 372-a left rubber bushing connecting seat, 41-connecting rod, 42-impact portion.
Detailed Description
As shown in fig. 1-3, the impact testing apparatus for a suspension system of an automobile in this embodiment includes a rack and a pendulum impact assembly, the pendulum impact assembly is located on the left side or the right side of the rack, the rack includes a base 20 and a bracket assembly 30 disposed on the base 20, the bracket assembly 30 is used for being fixedly connected to the left and right sides of an inverted suspension to be tested, and the pendulum impact assembly can impact one side of a wheel 15 to be tested, which is far away from the suspension to be tested. The wheel 15 to be tested is arranged on the left side and the right side of a suspension to be tested, the suspension to be tested is a torsion beam type suspension, and the torsion beam type suspension comprises an auxiliary frame 11, two damping springs 12, two dampers 13 and two rubber bushings 14; the two damping springs 12, the two dampers 13 and the two rubber bushings 14 are respectively and symmetrically arranged on the left side and the right side of the auxiliary frame 11; the head ends of the two damping springs 12 and the two dampers 13 are connected with the auxiliary frame 11, and the tail ends of the two damping springs 12 and the two dampers 13 face downwards and are connected with the bracket assembly 30; both rubber bushings 14 are connected to the bracket assembly 30. The inverted suspension to be tested is referred to as a torsion beam type suspension on a vehicle normally placed on a horizontal road surface, and in this application, the torsion beam type suspension mounted on the bracket assembly 30 is upside down, and the impact position of the pendulum impact assembly is preferably the upper side of the wheel 15 to be tested.
In this embodiment, the bracket assembly 30 includes a right rear connecting plate 311, a left rear connecting plate 312, a right front connecting plate 313 and a left front connecting plate 314 disposed on the base 20, and the bracket assembly 30 further includes a right damper 13 connecting module disposed on the right rear connecting plate 311, a right damper spring 12 connecting module disposed on the right rear connecting plate 311, a left damper 13 connecting module disposed on the left rear connecting plate 312, a left damper spring 12 connecting module disposed on the left rear connecting plate 312, a right rubber bushing 14 connecting module disposed on the right front connecting plate 313, and a left rubber bushing 14 connecting module disposed on the left front connecting plate 314; the right shock absorber 13 connecting module comprises a first supporting frame 321 arranged on the right rear connecting plate 311 and a right shock absorber connecting seat 322 arranged on the first supporting frame 321; the left damper 13 connecting module comprises a second supporting frame 331 arranged on the left rear connecting plate 312 and a left damper connecting seat 332 arranged on the second supporting frame 331; the right damping spring 12 connecting module comprises a third supporting frame 341 arranged on the right rear connecting plate 311 and a right damping spring connecting seat 342 arranged on the third supporting frame 341; the left damping spring 12 connection module comprises a fourth support frame 351 arranged on the left rear connection plate 312 and a left damping spring connection seat 352 arranged on the fourth support frame 351; the right rubber bushing 14 connecting module comprises a fifth supporting frame 361 arranged on the right front connecting plate 313 and a right rubber bushing connecting seat 362 arranged on the fifth supporting frame 361; the left rubber bushing 14 connection module comprises a sixth support frame 371 arranged on the left front connection plate 314 and a left rubber bushing connection seat 372 arranged on the sixth support frame 371. The two dampers 13 are respectively connected with the right damper connecting seat 322 and the left damper connecting seat 332 through bolts and nuts; the two damping springs 12 are compressed, and meanwhile, one ends of the two damping springs 12, which are far away from the subframe 11, are respectively pressed against the right damping spring connecting seat 342 and the left damping spring connecting seat 352, so that the two damping springs 12 are respectively connected with the right damping spring connecting seat 342 and the left damping spring connecting seat 352; all be provided with the mounting groove on right rubber bush connecting seat 362 and the left rubber bush connecting seat 372, all be provided with the bolt via hole on the lateral wall of two mounting grooves, two rubber bush 14 place respectively in the mounting groove, and two bolts pass the mesopore of rubber bush 14 in two mounting grooves and the mounting groove respectively, then with nut threaded connection to be connected two rubber bush 14 respectively with right rubber bush connecting seat 362 and left rubber bush connecting seat 372.
In this embodiment, the right shock absorber connecting seat 322 is connected to the first supporting frame 321 through a bolt; the left damper connecting seat 332 is connected with the second supporting frame 331 through a bolt; the right damping spring connecting seat 342 is connected with the third supporting frame 341 through a bolt; the left damping spring connection seat 352 is connected to the fourth support frame 351 by a bolt; the right rubber bushing connecting seat 362 is connected with the fifth supporting frame 361 through a bolt; the left rubber bushing connecting seat 372 is connected with the sixth supporting frame 371 through a bolt. Bolted connection convenient to detach and installation, when carrying out impact test to the automobile torsion beam formula suspension system of different models, if the parameter variation is little, can only change right shock absorber connecting seat 322, left shock absorber connecting seat 332, right shock absorber spring connecting seat 342, left shock absorber spring connecting seat 352, right rubber bush connecting seat 362 and left rubber bush connecting seat 372, improve the commonality.
In this embodiment, the base 20 includes a base main body 21 and an installation plate 22 disposed on the base main body 21, a plurality of installation holes are uniformly distributed on the installation plate 22, a plurality of butt-joint holes are uniformly distributed on the right rear connection plate 311, the left rear connection plate 312, the right front connection plate 313 and the left front connection plate 314, and a distance between two adjacent butt-joint holes is the same as a distance between two adjacent installation holes. Mounting hole and butt joint hole all are the matrix respectively, this kind of design makes right back connecting plate 311, left back connecting plate 312, right front connecting plate 313 and left front connecting plate 314 can have multiple mounted position, when the automotive suspension system of different models carries out the impact test, if parameter variation is great, only change right shock absorber connecting seat 322, left shock absorber connecting seat 332, right shock absorber connecting seat 342, left shock absorber connecting seat 352, right rubber bush connecting seat 362 and left rubber bush connecting seat 372 can not satisfy the requirement, just need adjust right back connecting plate 311, left back connecting plate 312, the mounted position of right front connecting plate 313 and left front connecting plate 314, further improve the commonality. The base main body 21 is further provided with a plurality of sensor mounting members 23 for mounting sensors required for the test.
In this embodiment, the pendulum bob strikes subassembly includes pendulum bob main part and pendulum bob fixed establishment (not shown in the figure, can adopt the portal frame), the pendulum bob main part includes connecting rod 41 and sets up the impact portion 42 of the head end of connecting rod 41, the tail end of connecting rod 41 with pendulum bob fixed establishment is connected, exerts external force and makes the pendulum bob main part upwards rotate towards the direction of keeping away from wheel 15 that awaits measuring, stops to exert external force and releases behind the pendulum bob main part is free pendulum bob motion and is close to wheel 15 that awaits measuring gradually, when impact portion 42 moves to the minimum the impact portion 42 can strike wheel 15 that keeps away from one side of the suspension that awaits measuring. The tail end of the connecting rod 41 can be directly hinged with the pendulum bob fixing mechanism, and at the moment, the pendulum bob main body rotates by taking the hinged position as a rotating center; of course, the connecting rod 41 may be hung on the pendulum fixing mechanism by a rope, the head end of the rope is connected to the pendulum fixing mechanism, and the tail end of the rope is connected to the connecting rod 41, so that the pendulum body rotates around the head end of the rope as a rotation center.
When the pendulum bob is used, the impact energy required to be received by the wheel 15 to be tested specified according to test specifications is J, the weight of the pendulum bob main body is M, the height h required to be lifted by the pendulum bob main body can be obtained according to J = M g h, then the gravity center of the pendulum bob main body abutting against the wheel 15 to be tested is taken as a starting point, external force is applied to enable the pendulum bob main body to upwards rotate towards the direction far away from the wheel 15 to be tested, the external force is stopped being applied when the gravity center of the pendulum bob main body rotates to reach h relative to the lifting height of the gravity center of the starting point, the pendulum bob main body does free pendulum bob motion under the action of gravity after the pendulum bob main body is released, and when the impact part 42 moves to the lowest point, the impact part 42 impacts one side, far away from. And after the impact is finished, whether the wheel 15 to be tested, the auxiliary frame 11, the two damping springs 12, the two dampers 13 and the two rubber bushings 14 are damaged or not is checked, and if the wheel 15 to be tested, the auxiliary frame 11, the two damping springs 12, the two dampers 13 and the two rubber bushings 14 are not damaged, the test sample piece to be tested meets the requirement.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (6)
1. The utility model provides an automotive suspension system impact test device which characterized in that: including rack and pendulum impact assembly, pendulum impact assembly is located the left side or the right side of rack, the rack includes base (20) and sets up bracket component (30) on base (20), bracket component (30) are used for the left and right sides fixed connection with the suspension that awaits measuring of invering, pendulum impact assembly can strike keeping away from suspension one side that awaits measuring of wheel (15) that awaits measuring.
2. The automotive suspension system impact test apparatus according to claim 1, characterized in that: the bracket component (30) comprises a right rear connecting plate (311), a left rear connecting plate (312), a right front connecting plate (313) and a left front connecting plate (314) which are arranged on the base (20), and the bracket component (30) further comprises a right shock absorber connecting module arranged on the right rear connecting plate (311), a right shock absorber spring connecting module arranged on the right rear connecting plate (311), a left shock absorber connecting module arranged on the left rear connecting plate (312), a right rubber bushing connecting module arranged on the right front connecting plate (313) and a left rubber bushing connecting module arranged on the left front connecting plate (314).
3. The automotive suspension system impact test apparatus according to claim 2, characterized in that: the right shock absorber connecting module comprises a first supporting frame (321) arranged on the right rear connecting plate (311) and a right shock absorber connecting seat (322) arranged on the first supporting frame (321); the left shock absorber connecting module comprises a second supporting frame (331) arranged on the left rear connecting plate (312) and a left shock absorber connecting seat (332) arranged on the second supporting frame (331); the right damping spring connecting module comprises a third supporting frame (341) arranged on the right rear connecting plate (311) and a right damping spring connecting seat (342) arranged on the third supporting frame (341); the left damping spring connecting module comprises a fourth supporting frame (351) arranged on the left rear connecting plate (312) and a left damping spring connecting seat (352) arranged on the fourth supporting frame (351); the right rubber bushing connecting module comprises a fifth supporting frame (361) arranged on the right front connecting plate (313) and a right rubber bushing connecting seat (362) arranged on the fifth supporting frame (361); the left rubber bushing connecting module comprises a sixth supporting frame (371) arranged on the left front connecting plate (314) and a left rubber bushing connecting seat (372) arranged on the sixth supporting frame (371).
4. The automotive suspension system impact test apparatus according to claim 3, characterized in that: the right shock absorber connecting seat (322) is connected with the first supporting frame (321) through a bolt; the left shock absorber connecting seat (332) is connected with the second supporting frame (331) through a bolt; the right damping spring connecting seat (342) is connected with the third supporting frame (341) through a bolt; the left vibration reduction spring connecting seat (352) is connected with the fourth supporting frame (351) through a bolt; the right rubber bushing connecting seat (362) is connected with the fifth supporting frame (361) through a bolt; the left rubber bushing connecting seat (372) is connected with the sixth supporting frame (371) through a bolt.
5. The automotive suspension system impact test apparatus according to claim 4, characterized in that: base (20) are in including base main part (21) and setting mounting panel (22) on base main part (21), evenly distributed is gone up in mounting panel (22) has a plurality of mounting holes, right back connecting plate (311) left back connecting plate (312) right front connecting plate (313) with evenly distributed has a plurality of butt joint holes, adjacent two on left front connecting plate (314) the interval in butt joint hole and adjacent two the interval in mounting hole is the same.
6. The automotive suspension system impact test apparatus according to claim 1, characterized in that: pendulum strikes subassembly includes pendulum main part and pendulum fixed establishment, the pendulum main part includes connecting rod (41) and sets up impact portion (42) of the head end of connecting rod (41), the tail end of connecting rod (41) with pendulum fixed establishment connects, and application external force makes pendulum main part upwards rotates towards the direction of keeping away from wheel (15) that awaits measuring, stops to apply external force release behind the pendulum main part free pendulum motion is done to the pendulum main part and is close to wheel (15) that awaits measuring gradually, works as when impact portion (42) move to the minimum impact portion (42) can be strikeed keeping away from of wheel (15) that awaits measuring suspension one side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021858874.8U CN213121049U (en) | 2020-08-31 | 2020-08-31 | Impact test device for automobile suspension system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021858874.8U CN213121049U (en) | 2020-08-31 | 2020-08-31 | Impact test device for automobile suspension system |
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| CN213121049U true CN213121049U (en) | 2021-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021858874.8U Active CN213121049U (en) | 2020-08-31 | 2020-08-31 | Impact test device for automobile suspension system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114427947A (en) * | 2022-01-30 | 2022-05-03 | 重庆长安汽车股份有限公司 | Shock resistance testing method for suspension system |
| US11820197B2 (en) | 2022-02-09 | 2023-11-21 | Honda Motor Co., Ltd. | Vehicle control arm assembly |
-
2020
- 2020-08-31 CN CN202021858874.8U patent/CN213121049U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114427947A (en) * | 2022-01-30 | 2022-05-03 | 重庆长安汽车股份有限公司 | Shock resistance testing method for suspension system |
| US11820197B2 (en) | 2022-02-09 | 2023-11-21 | Honda Motor Co., Ltd. | Vehicle control arm assembly |
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