CN211954681U - Durability test universal fixture for passenger car control arm - Google Patents
Durability test universal fixture for passenger car control arm Download PDFInfo
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- CN211954681U CN211954681U CN202020541104.4U CN202020541104U CN211954681U CN 211954681 U CN211954681 U CN 211954681U CN 202020541104 U CN202020541104 U CN 202020541104U CN 211954681 U CN211954681 U CN 211954681U
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Abstract
The utility model relates to a universal fixture for durability test of a passenger car control arm, wherein an upper L-shaped fixing fixture and a lower L-shaped fixing fixture of the fixture are respectively arranged at the upper part and the lower part of a first rigid upright post and can move along the vertical direction; the top and the bottom of the control arm mounting clamp are respectively connected with an upper L-shaped fixing clamp and a lower L-shaped fixing clamp; the control arm mounting clamp is provided with a control arm front point fixing clamp and a control arm rear point fixing clamp; the ball head fixing clamp comprises an X-direction connecting plate, a Y-direction connecting plate, a Z-direction connecting plate and a ball head connecting piece which are fixedly connected together, and the Y-direction connecting plate is fixed; one end of the loading swing arm is connected with the control arm mounting clamp, and the control arm mounting clamp can be driven to rotate around the axis in the vertical direction. The utility model discloses a modular design mode, the work load that needs the adjustment is very little, has improved experimental preparation efficiency, and the flexibility is high, and the commonality is strong, can practice thrift frock manufacturing cost, has very high practicality.
Description
Technical Field
The utility model belongs to the technical field of the car industry new product development bench test, a durability test general type anchor clamps of passenger car control arm is related to.
Background
The bench test is used as an important means for verifying the reliability of parts and has the advantages of short period, low cost, good repeatability, high controllability and the like. With the development of automobile technology, bench tests also require that load conditions in real-vehicle road tests be reflected more truly, so that the trend of verifying the durability of parts by road simulation tests is a trend.
The suspension system is used as a bridge between the wheels and the automobile bearing system, and has the functions of transferring load, relieving impact, attenuating vibration and adjusting the posture of the automobile body in the driving process of the automobile. The control arm is used as an important component of a suspension system, has guiding and supporting functions, and can directly influence the positioning of wheels due to the deformation of the control arm, so that the smoothness and the stability of the running of the automobile are reduced. And if the control arm breaks, the vehicle can be seriously unstable, and even the anti-rollover endangers the life safety. The reliability of the control arm is verified based on a road simulation test, and the method has important significance for automobile safety development.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide a durability test universal type anchor clamps of passenger car control arm, this anchor clamps commonality is good, and is with low costs.
In order to solve the technical problem, the utility model discloses a universal fixture for durability test of passenger car control arm comprises a first rigid upright post, an upper L-shaped fixing fixture, a lower L-shaped fixing fixture, a control arm mounting fixture, a ball head fixing fixture and a loading swing arm; the upper L-shaped fixing clamp and the lower L-shaped fixing clamp are respectively arranged at the upper part and the lower part of the first rigid upright post and can move along the vertical direction; the top and the bottom of the control arm mounting clamp are respectively connected with an upper L-shaped fixing clamp and a lower L-shaped fixing clamp; the control arm mounting clamp is provided with a control arm front point fixing clamp and a control arm rear point fixing clamp; the ball head fixing clamp comprises an X-direction connecting plate, a Y-direction connecting plate, a Z-direction connecting plate and a ball head connecting piece which are fixedly connected together, and the Y-direction connecting plate is fixed; one end of the loading swing arm is connected with the control arm mounting clamp, and the control arm mounting clamp can be driven to rotate around the axis in the vertical direction.
The first rigid upright post is provided with a plurality of connecting holes, the upper L-shaped fixing clamp comprises a vertical plate part and a flat plate part which are vertical to each other, a plurality of upper vertical grooves are processed on the vertical plate part, and the upper L-shaped fixing clamp is fixedly arranged on the upper part of the first rigid upright post through a plurality of bolts or screws on the upper vertical grooves; the lower L-shaped fixing clamp comprises a vertical plate part and a flat plate part which are perpendicular to each other, a plurality of lower vertical grooves are processed on the vertical plate part, and the lower L-shaped fixing clamp is fixedly connected to the lower portion of the first rigid upright post through a plurality of bolts or screws on the lower vertical grooves.
The top plate part of the control arm mounting clamp is fixedly connected with the flat plate part of the L-shaped fixing clamp through an upper cylindrical bearing; the bottom plate portion of the control arm mounting clamp is fixedly connected with the flat plate portion of the lower L-shaped fixing clamp through a lower cylindrical bearing.
The upper cylindrical bearing and the lower cylindrical bearing adopt rolling bearings.
The control arm front point fixing clamp and the control arm rear point fixing clamp are fixedly arranged on the vertical plate part of the control arm mounting clamp.
And the Y-direction connecting plate of the ball head fixing clamp is connected with the second rigid stand column through a connecting rod.
One end of the loading swing arm is fixedly connected with the bottom end of the lower cylindrical bearing.
The loading swing arm adopts a telescopic arm.
The control arm mounting fixture and the ball head fixing fixture are connected and assembled together through bolts.
During the experiment, the front point of the control arm is connected with a control arm front point fixing clamp, the rear point of the control arm is connected with a control arm rear point fixing clamp, and the ball head of the control arm is connected with a ball head connecting piece of the ball head fixing clamp; an X-direction connecting plate of the control arm mounting clamp is connected with a horizontal linear actuator, a Z-direction connecting plate is connected with a vertical linear actuator, and the other end of the loading swing arm is connected with a swing direction linear actuator. The three linear actuators adopt a random load control mode, and load is applied to the test sample piece through the clamp, so that the durability test of the control arm can be realized.
The utility model has the advantages of it is following: by adopting a modular design mode, the workload required to be adjusted is small, and the test preparation efficiency is improved; the split disassembly and assembly mode is adopted, the flexibility is higher, the universality is stronger, and the tooling processing and manufacturing cost can be saved. The utility model has novel and unique design, ingenious design and high practicability.
Drawings
The present invention can be understood more clearly with reference to the attached drawings, which are provided for illustrative purposes only and do not limit the scope of the present invention. Wherein:
fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a universal fixture test assembly for a durability test of a passenger vehicle control arm;
fig. 3 is a perspective view of an L-shaped fixing clip.
In the figure: 11. a first rigid upright; 12. a second rigid upright; 21. an L-shaped fixing clamp is arranged; 211. an upper vertical trench; 22. a lower L-shaped fixing clamp; 221. a lower vertical trench; 31. an upper cylindrical bearing; 32. a lower cylindrical bearing; 4. a control arm mounting clamp; 41. a top plate portion; 42. a bottom plate portion; 43. fixing a clamp at the front point of the control arm; 44. fixing a clamp at the rear point of the control arm; 5. fixing a clamp by a ball head; an X-direction connecting plate; a Y-direction connecting plate; 53. Z-direction connecting board; 54. a ball head connecting piece; 55. a connecting rod; 6. loading a swing arm; 71. a linear actuator oriented horizontally; 72. a vertical direction linear actuator; 73. a swing direction linear actuator; 8. and a front lower control arm.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the present invention is described in further detail below with reference to the accompanying drawings.
As shown in FIG. 1, the utility model discloses a durability test general type anchor clamps of passenger car control arm includes first rigidity stand 11, second rigidity stand 12, upper and lower L type mounting fixture 21, 22, upper and lower cylindrical bearing 31, 32, control arm sectional fixture 4, bulb mounting fixture 5, loading swing arm 6.
First rigidity stand 11 fix on the iron flat board, its one side of being connected with upper and lower L type mounting fixture 21, 22 arranges a plurality of connecting holes (screw hole or through-hole), the connecting hole is fixed from top to bottom from left to right direction distance, can realize control arm sectional fixture's preliminary location to can adjust upper and lower L type mounting fixture 21, 22's mounted position according to the control arm size.
As shown in fig. 3, the upper L-shaped fixing clip 21 includes a vertical plate portion and a flat plate portion perpendicular to each other, the vertical plate portion is formed with a plurality of upper vertical grooves 211, and the upper L-shaped fixing clip 21 is fixed to the upper portion of the first rigid pillar 11 by a plurality of bolts or screws at the upper vertical grooves.
The lower L-shaped fastening clip 22 also includes a vertical plate portion and a flat plate portion perpendicular to each other, wherein the vertical plate portion is formed with a plurality of lower vertical grooves 221, and the lower L-shaped fastening clip 22 is fastened to the lower portion of the first rigid vertical column 11 by a plurality of bolts or screws disposed in the lower vertical grooves.
The top plate part 41 of the control arm mounting clamp 4 is fixedly connected with the inner ring of the upper cylindrical bearing 31, and the outer ring of the upper cylindrical bearing 31 is fixedly connected with the flat plate part of the L-shaped fixing clamp 21; the bottom plate portion 42 of the control arm mounting clamp 4 is fixedly connected with the inner ring of the lower cylindrical bearing 32, and the outer ring of the lower cylindrical bearing 32 is fixedly connected with the flat plate portion of the lower L-shaped stationary clamp 22; control arm front point fixing clamp 43 and control arm back point fixing clamp 44 are connected and assembled together with the floor part of control arm mounting clamp 4 through bolted connection, and this kind of split type design of modularization, the flexibility is higher, and general type is stronger, and the control arm of different motorcycle types only need to be changed control arm front point fixing clamp 41 and control arm back point fixing clamp 42 and just can realize the functional requirement.
The ball head fixing clamp 5 comprises an X-direction connecting plate 51, a Y-direction connecting plate 52, a Z-direction connecting plate 53 and a ball head connecting piece 54 which are fixedly connected together; the Y-direction connecting plate 52 is connected with the second rigid upright post 12 through a connecting rod 55; the ball head fixing clamp 5 is fixedly connected with the X-direction connecting plate 51, the Y-direction connecting plate 52 or the Z-direction connecting plate 53.
One end of the loading swing arm 6 is fixedly connected with the inner ring of the lower cylindrical bearing 32.
During the experiment, the front point of the control arm is connected with a control arm front point fixing clamp 43, the rear point of the control arm is connected with a control arm rear point fixing clamp 44, and the ball head of the control arm is connected with a ball head connecting piece 53 of a ball head fixing clamp 5; the X-direction connecting plate 51 of the control arm attaching jig 5 is connected to a horizontal linear actuator 71, the Z-direction connecting plate 53 is connected to a vertical linear actuator 72, and the other end of the loading swing arm 6 is connected to a swing direction linear actuator 73.
The upper and lower L- shaped fixing clamps 21 and 22 can slide up and down on the first rigid upright 11 and are fixed by bolts or screws, so as to be suitable for durability tests of control arm samples with different sizes.
The upper and lower 2 cylindrical bearings 31 and 32 adopt rolling bearings, so that the frictional resistance can be reduced, and the test precision is higher.
The control arm mounting clamp 4 can be used for replacing different control arm front point fixing clamps 43 and control arm rear point fixing clamps 44 according to different vehicle types.
In the ball head fixing clamp 5, the ball head connecting piece 54 is connected with the ball head of the control arm by adopting a bolt, so that the assembly and disassembly are convenient.
The loading swing arm 6 adopts a telescopic arm, and the length can be adjusted according to the input of different vehicle types.
In the test process, the three linear actuators adopt a random load control mode, and load is applied to the test sample piece through the clamp, so that the purpose of durability examination of the control arm is achieved.
The first rigid upright post 11 and the upper and lower L-shaped fixing clamps 21 and 22 may also adopt a form that a plurality of vertical grooves are distributed on the first rigid upright post 11, and a plurality of threaded holes or through holes are distributed on the upper and lower L-shaped fixing clamps 21 and 22.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should be considered as the protection scope of the present invention.
Claims (9)
1. A universal fixture for durability tests of passenger car control arms is characterized by comprising a first rigid upright post (11), upper and lower L-shaped fixing fixtures (21) and (22), a control arm mounting fixture (4), a ball head fixing fixture (5) and a loading swing arm (6); the upper L-shaped fixing clamp and the lower L-shaped fixing clamp (21) and (22) are respectively arranged at the upper part and the lower part of the first rigid upright post (11) and can move along the vertical direction; the top and the bottom of the control arm mounting clamp (4) are respectively connected with an upper L-shaped fixing clamp (21) and a lower L-shaped fixing clamp; a control arm front point fixing clamp (43) and a control arm rear point fixing clamp (44) are arranged on the control arm mounting clamp (4); the ball head fixing clamp (5) comprises an X-direction connecting plate (51), a Y-direction connecting plate (52), a Z-direction connecting plate (53) and a ball head connecting piece (54) which are fixedly connected together, and the Y-direction connecting plate (52) is fixed; one end of the loading swing arm (6) is connected with the control arm mounting clamp (4) and can drive the control arm mounting clamp (4) to rotate around the axis in the vertical direction.
2. The universal fixture for the durability test of the control arm of the passenger car according to claim 1, wherein a plurality of connecting holes are distributed on the first rigid upright post (11), the upper L-shaped fixing fixture (21) comprises an upright plate part and a flat plate part which are perpendicular to each other, a plurality of upper vertical grooves (211) are processed on the upright plate part, and the upper L-shaped fixing fixture (21) is fixedly arranged on the upper part of the first rigid upright post (11) through a plurality of bolts or screws on the upper vertical grooves; the lower L-shaped fixing clamp (22) comprises a vertical plate part and a flat plate part which are perpendicular to each other, a plurality of lower vertical grooves (221) are machined in the vertical plate part, and the lower L-shaped fixing clamp (22) is fixedly connected to the lower portion of the first rigid upright column (11) through a plurality of bolts or screws in the lower vertical grooves.
3. The universal fixture for durability test of passenger car control arm according to claim 1, characterized in that the top plate part (41) of the control arm mounting fixture (4) is fixedly connected with the flat plate part of the upper L-shaped stationary fixture (21) through the upper cylindrical bearing (31); a bottom plate portion (42) of the control arm mounting clamp (4) is fixedly connected with a flat plate portion of the lower L-shaped fixing clamp (22) through a lower cylindrical bearing (32).
4. The universal fixture for durability test of passenger car control arm according to claim 3, characterized in that the upper cylindrical bearing (31) and the lower cylindrical bearing (32) are rolling bearings.
5. The universal fixture for durability test of passenger car control arm according to claim 1, characterized in that the control arm front point fixing fixture (43) and the control arm rear point fixing fixture (44) are fixed on the vertical plate part of the control arm mounting fixture (4).
6. The universal fixture for durability test of passenger car control arm according to claim 1, characterized in that the Y-direction connecting plate (52) of the ball head fixing fixture (5) is connected with the second rigid upright post (12) through a connecting rod (55).
7. The universal fixture for durability test of passenger car control arm according to claim 3, characterized in that one end of the loading swing arm (6) is fixedly connected with the bottom end of the lower cylindrical bearing (32).
8. The universal fixture for durability test of passenger car control arm according to claim 1, characterized in that the loading swing arm (6) is a telescopic arm.
9. The universal fixture for durability test of passenger car control arm according to claim 1, characterized in that the control arm mounting fixture (4) and the ball head fixing fixture (5) are assembled together by bolt connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020541104.4U CN211954681U (en) | 2020-04-14 | 2020-04-14 | Durability test universal fixture for passenger car control arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020541104.4U CN211954681U (en) | 2020-04-14 | 2020-04-14 | Durability test universal fixture for passenger car control arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211954681U true CN211954681U (en) | 2020-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020541104.4U Active CN211954681U (en) | 2020-04-14 | 2020-04-14 | Durability test universal fixture for passenger car control arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211954681U (en) |
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2020
- 2020-04-14 CN CN202020541104.4U patent/CN211954681U/en active Active
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