Test bed for steering system of electro-hydraulic servo automobile

An automotive steering system, electro-hydraulic servo technology, which is applied in the direction of vehicle steering/bump performance, vehicle testing, machine/structural component testing, etc., can solve problems such as the inability to test the comprehensive performance of automotive power steering systems, and the time-consuming and labor-intensive testing. Achieving the effect of wide operating frequency range, reducing interference and comprehensive testing

Active Publication Date: 2012-08-15
济南东测试验机技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the test of the automobile power steering system assembly mainly relies on the actual vehicle inspection, that is, the hydraulic power steering system assembly is installed on the required vehicle, and various performances of the automobile hydraulic power steering system assembly are measured in actual operation. It cannot be carri

Method used

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  • Test bed for steering system of electro-hydraulic servo automobile
  • Test bed for steering system of electro-hydraulic servo automobile
  • Test bed for steering system of electro-hydraulic servo automobile

Examples

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Embodiment Construction

[0028] Such as Figure 1-7 As shown, the electro-hydraulic servo automobile steering system test bench of the present invention includes a testing machine main body, an electro-hydraulic servo control system and a power pump station 7 that provides hydraulic power for the testing machine main body. The testing machine main body includes a steering moment loading device 1, a Check the steering gear 2, the steering torque output device 3 and the axle fixing frame 4.

[0029] The steering moment loading device 1 includes an adjustment bracket 12, and the adjustment bracket 12 is provided with a simulated steering wheel 5,

[0030] The simulated steering wheel is connected with a steering shaft 6, and the steering shaft 6 is connected with the steering gear 2 to be tested; the simulated steering wheel 5 is connected with the steering shaft 6 through a coupling 15, and is provided with a torque sensor 19. The analog steering wheel 5 is equipped with a hydraulic servo drive device,...

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PUM

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Abstract

The invention discloses a test bed for a steering system of an electro-hydraulic servo automobile. The test bed comprises a testing machine main body, an electro-hydraulic servo control system and a power pump station which provides hydraulic power for the testing machine main body, wherein the testing machine main body comprises a steering torque loading device, a steering device to be detected, a steering torque output device and an axle fixed mount; and both the steering torque loading device and the steering torque output device are provided with a hydraulic servo driving device and a parameter detection device which are in signal connection with the electro-hydraulic servo control system. The test bed has the beneficial effects that: the entire steering system of the automobile can be comprehensively tested in a test room, various test conditions of a real automobile test are completely imitated, the time and labor are saved, and the detection is comprehensive and accurate.

Description

technical field [0001] The invention relates to an electro-hydraulic servo automobile steering system test bench, which is mainly used for the performance test and reliability test of the automobile power steering system assembly and the comprehensive test of the automobile power steering system. Background technique [0002] The automobile steering system has always been valued by various R&D and production enterprises and institutions in the automobile industry. Its technology has changed from mechanical steering, hydraulic steering, and electronically controlled hydraulic steering to electric power steering and the next generation of wire-controlled steering. In recent years, the fastest-growing system assembly in the field of automotive technology. [0003] The steering system of a car is an important part to ensure that the car turns and runs according to the will of the driver to maintain stability. Its performance directly affects the safety and handling stability of ...

Claims

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Application Information

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IPC IPC(8): G01M17/007G01M17/06
Inventor 庞国栋王旭东
Owner 济南东测试验机技术有限公司
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