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Hydraulic servo test stand for automobile shock absorber

A hydraulic servo and shock absorber technology, which is applied to vehicle suspension/shock absorber testing and other directions, can solve the problems of rapid testing under difficult and multiple working conditions, small test speed range, poor comparability of results, etc., and achieves high reliability of test results. The effect of good work stability and improved test efficiency

Inactive Publication Date: 2019-05-28
成都九鼎科技(集团)有限公司
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  • Summary
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AI Technical Summary

Problems solved by technology

[0003] At present, the commonly used mechanical vibration shock absorber test bench has shortcomings such as large test error, small test speed range, poor comparability of results, and difficulty in realizing rapid tests in multiple working conditions due to various reasons.

Method used

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  • Hydraulic servo test stand for automobile shock absorber

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Embodiment Construction

[0010] The present invention will be further described below in conjunction with the accompanying drawings.

[0011] Such as figure 1 As shown, the present invention provides a hydraulic servo test bench for automobile shock absorbers, including a main engine system, a hydraulic system, a servo control system, a data acquisition system, and a computer system, and the main engine system includes a main engine, a main actuator, a servo actuator and a beam , the main engine is equipped with a dynamic and static bidirectional high-precision load sensor, a high-response linear differential transformer or displacement sensor is installed inside the main actuator, an electro-hydraulic servo valve is installed on the servo actuator, and the beam has hydraulic lifting and hydraulic locking function, it is easy to change the position of the beam according to the test piece; the hydraulic system includes an accumulator set on the main inlet and outlet pipeline of hydraulic oil and the oi...

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Abstract

The invention relates to the technical field of automobile shock absorbers, in particular to a hydraulic servo test stand for an automobile shock absorber. The hydraulic servo test stand comprises a main unit system, a hydraulic system, a servo control system, a data acquisition system and a computer system; the main unit system comprises a main unit, a main actuator, a servo actuator and a beam,the main unit is provided with a dynamic and static bidirectional high-precision load sensor, a highly-responsive linear differential transformer or a displacement sensor is installed in the main actuator, the servo actuator is provided with an electro-hydraulic servo valve, the beam has the functions of hydraulic lifting and falling and hydraulic locking, and the position of the beam is easily changed according to a test piece; the hydraulic system comprises energy accumulators arranged on a hydraulic oil main inlet oil return pipeline and an oil path for conveying hydraulic oil to the actuators. The hydraulic servo test stand for the automobile shock absorber has good reliability and high stability, and the performance of the automobile shock absorber can be well guaranteed.

Description

technical field [0001] The invention relates to the technical field of designing automobile shock absorbers, and in particular relates to a hydraulic servo test bench for automobile shock absorbers. Background technique [0002] The shock absorber is an important component of the automobile suspension system. As the main damping element of the automobile chassis, it affects the comfort, operation stability, driving safety and other important performances of the vehicle. In order to improve the performance quality of the shock absorber, in addition to improving its design and production process, it is also necessary to rely on advanced test bench testing equipment. [0003] At present, the commonly used mechanical vibration shock absorber test bench has many shortcomings such as large test error, small test speed range, poor comparability of results, and difficulty in realizing rapid tests in multiple working conditions due to various reasons. Contents of the invention [...

Claims

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Application Information

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IPC IPC(8): G01M17/04
Inventor 秦雪梅谢毅孙涛
Owner 成都九鼎科技(集团)有限公司
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