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Shock absorber durability testing device

A test device and shock absorber technology, which is applied in the direction of measuring device, vehicle suspension/shock absorbing mechanism test, machine/structural component test, etc. It can solve problems such as oil leakage, shock absorber loss of shock absorption function, and driving inconvenience , to achieve the effect of accurate test results

Active Publication Date: 2014-12-10
ZHEJIANG GEELY AUTOMOBILE RES INST CO LTD +1
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, after a long period of use, the hydraulic shock absorber is prone to wear and tear the oil seal installed in the bottom cylinder of the shock absorber due to the vertical and horizontal forces it bears, causing the shock absorber to lose its shock absorption. Shock function, causing inconvenience to driving

Method used

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Embodiment Construction

[0019] In order to further explain the technical means and effects that the present invention adopts to achieve the intended purpose of the invention, the specific implementation, structure and characteristics of the shock absorber durability test device proposed according to the present invention will be described below in conjunction with the accompanying drawings and preferred embodiments. And its effect, detailed description is as follows.

[0020] Such as figure 1 and figure 2 As shown, the shock absorber durability test device of the present invention includes a workbench 10 , a support block 20 , a cylinder 30 , a cylinder bracket 40 , a force sensor 50 , a connector 60 and a lateral force loading mechanism 70 .

[0021] Wherein, the supporting block 20 includes two supporting parts 21 separated from each other, and the two supporting parts 21 are both arranged on the workbench 10 . The cylinder 30 (preferably a pressure measuring servo cylinder in the present invent...

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Abstract

The invention provides a shock absorber durability testing device. The shock absorber durability testing device comprises a worktable, a supporting block, an actuating cylinder, a force sensor and a lateral force loading mechanism, wherein the supporting block comprises two supporting parts which are arranged on the worktable; the actuating cylinder is erected between the supporting parts and used for applying vertical force to a shock absorber to be tested; the force sensor is arranged under the actuating cylinder and used for monitoring the change of the damping force of the shock absorber to be tested; the lateral force loading mechanism is arranged on the supporting block and used for applying lateral force to the shock absorber to be tested. The shock absorber durability testing device can be used for either the loading of the vertical force or the loading of the large-load lateral force so that the stress condition of the shock absorber to be tester is closer to the physical truth, and therefore, the testing result can be more accurate.

Description

technical field [0001] The invention relates to a test device for automobiles, in particular to a shock absorber durability test device. Background technique [0002] As an important part of the vehicle running system, the suspension system of the vehicle mainly includes components such as shock absorbers, elastic elements, and guide mechanisms, which are mainly used to transmit the force and moment between the wheels and the body and buffer the impact caused by uneven road surfaces. Force to ensure the smooth running of the car. [0003] In the suspension system of a car, the elastic element vibrates when it is impacted, and the shock absorber is installed in parallel with the elastic element to improve the ride comfort of the car. In order to attenuate vibration, hydraulic shock absorbers are often used in automobile suspension systems. The working principle is that when there is relative movement between the frame (or body) and the axle due to vibration, the piston in th...

Claims

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Application Information

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IPC IPC(8): G01M13/00G01M17/04
Inventor 董远明马芳武杨国斌赵子顺吴成明冯擎峰
Owner ZHEJIANG GEELY AUTOMOBILE RES INST CO LTD
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