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Test device of oil and gas suspension system

A technology of oil-pneumatic suspension and test device, which is applied in the direction of vehicle suspension/shock absorbing mechanism testing, etc. It can solve the problems of increasing the number of excitation hydraulic cylinders and increasing the cost of test benches, so as to reduce test costs, avoid motion interference and errors, and test high precision effect

Active Publication Date: 2017-11-17
JIMEI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Then, when performing the roll performance test of the oil-pneumatic suspension, the number of the test oil-pneumatic suspension cylinders is at least two, and at this time, the number of required excitation hydraulic cylinders also increases accordingly, which makes the cost of the whole test bench greatly promote

Method used

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  • Test device of oil and gas suspension system
  • Test device of oil and gas suspension system
  • Test device of oil and gas suspension system

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Embodiment Construction

[0020] The present invention will be further described below in conjunction with specific embodiments and accompanying drawings.

[0021] Such as figure 1 As shown, a test device of a hydropneumatic suspension system of the present invention includes a base 10, a hydropneumatic suspension system 20, an excitation hydraulic cylinder 30, a pressure sensor 40 connected to the excitation hydraulic cylinder 30, and a device for controlling the movement of the excitation hydraulic cylinder 30. Hydraulic servo control system 50.

[0022] The oil-pneumatic suspension system 20 includes one or more groups of oil-pneumatic suspension cylinders 21 installed on the base 10, accumulators 22 connected to the oil-pneumatic suspension cylinders 21 through pipelines, and oil circuit control valve blocks 23 arranged on the pipelines . combine image 3 , image 3 It is a schematic layout diagram of a group of oil-pneumatic suspension cylinders 21 of the present invention, the rod chamber 211...

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Abstract

The invention provides a test device of an oil and gas suspension system. The test device comprises a foundation, the oil and gas suspension system, an excitation hydraulic cylinder, a pressure sensor connected with the excitation hydraulic cylinder and a hydraulic servo control system used for controlling motion of the excitation hydraulic cylinder, wherein the oil and gas suspension system comprises one or more oil and gas suspension cylinder sets mounted on the foundation and an energy storage device connected with the oil and gas suspension cylinder set through a pipeline, the two oil and gas suspension cylinders of the oil and gas suspension cylinder set are connected in an opposite mode through a connection head, the excitation hydraulic cylinder is mounted on the foundation, and a cylinder lever of the excitation hydraulic cylinder is parallelly connected with the middle portion of the connection head. The test device is advantaged in that test analysis on inclination performance of the one or more oil and gas suspension cylinder sets is realized through the one excitation hydraulic cylinder, and test cost is substantially reduced.

Description

technical field [0001] The invention belongs to the technical field of bench tests for oil-gas suspension systems, and in particular relates to a test device for oil-gas suspension systems. Background technique [0002] As one of the main components of heavy-duty vehicles, the oil-pneumatic suspension functions to transmit the force and moment acting between the wheels and the frame, and to buffer the impact force transmitted from the uneven road to the frame or body, and to attenuate the impact caused by it. The vibration of the oil-pneumatic suspension is directly related to the overall performance of the vehicle to ensure the smooth driving and driving comfort of the vehicle. [0003] In order to fully inspect and test the comprehensive performance of the oil-pneumatic suspension, a special test bench is needed to inspect and test the oil-pneumatic suspension. Most of the existing test benches are only suitable for the characteristic analysis of a single oil-pneumatic su...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M17/04
CPCG01M17/04
Inventor 王云超陈元钦胡志超魏彬
Owner JIMEI UNIV
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