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Hydraulic system for three-degree-of-freedom wheel clearance test bench

A hydraulic system and detection platform technology, applied in the field of hydraulic systems, can solve problems such as single movement, incomplete detection, and inability to fully expose loose gaps, so as to achieve the effect of ensuring consistency and avoiding lag

Inactive Publication Date: 2011-12-21
JILIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The current vehicle wheel, axle, and suspension clearance testing platform has a single movement, which cannot fully expose the loose and wide gaps, and the detection is not comprehensive. Therefore, a three-degree-of-freedom wheel clearance testing platform is designed.

Method used

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  • Hydraulic system for three-degree-of-freedom wheel clearance test bench

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Embodiment Construction

[0026] The specific content of the present invention will be further described in detail below in conjunction with the embodiments shown in the accompanying drawings.

[0027] refer to figure 1 , a hydraulic system for a three-degree-of-freedom wheel clearance testing platform, which is composed of a power source hydraulic system A, a lateral hydraulic system B, and a longitudinal hydraulic system C.

[0028] refer to figure 2 , a hydraulic system for a three-degree-of-freedom wheel clearance detection platform, the power source hydraulic system A is composed of a liquid level gauge 1, a thermometer 2, a fuel tank 3, a filter 4, a hydraulic pump 5, a pressure gauge switch 6, a pressure Table 7. Composition of overflow valve V5-14 and pressure building valve V4-15. The oil inlet of the filter 4 is connected to the oil tank 3, the oil suction port of the hydraulic pump 5 is connected to the filter 4, the oil outlet of the hydraulic pump 5 is connected to the pressure gauge sw...

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Abstract

The invention relates to a hydraulic system for a three-degree-of-freedom vehicle wheel clearance detecting table. The system comprises a power source hydraulic system (A), a transverse hydraulic system (B) and a longitudinal hydraulic system (C). In the transverse hydraulic system (B), a transverse rear hydraulic cylinder (10) is connected with a transverse front hydraulic cylinder (12) through a two-position four-way valve V3 (13), so that the front hydraulic cylinder and the rear hydraulic cylinder can synchronously act. The longitudinal hydraulic system (C) comprises a longitudinal hydraulic cylinder (8) and a three-position four-way valve V1 (9); an A port and a B port of the three-position four-way valve V1 (9) are respectively connected with a left chamber oil port and a right chamber oil port of the longitudinal hydraulic cylinder (8); P ports of the three-position four-way valve V1 (9) and a three-position four-way valve V2 (11) are connected with an oil outlet of a hydraulicpump (5) of the power source hydraulic system (A); and T ports of the three-position four-way valve V1 (9) and the three-position four-way valve V2 (11) are connected with an oil return pipeline of the hydraulic pump (5) of the power source hydraulic system (A). The hydraulic system provided by the invention aims at realizing three-degree-of-freedom motion of a detecting table plate through the three hydraulic cylinders and a connecting relation of the three hydraulic cylinders.

Description

technical field [0001] The invention relates to a hydraulic system, in particular to a hydraulic system of a three-degree-of-freedom wheel gap detection platform. Background technique [0002] The current vehicle wheel, axle, and suspension clearance testing platform has a single movement, which cannot fully expose the loose and wide gaps, and the detection is not comprehensive. Therefore, a three-degree-of-freedom wheel clearance testing platform is designed. The invention provides a hydraulic system for the wheel gap detection platform, which can make the three-degree-of-freedom movement of the platform. Contents of the invention [0003] The invention provides a hydraulic system for a three-degree-of-freedom wheel clearance detection platform, which aims to realize the three-degree-of-freedom movement of the detection platform through three hydraulic cylinders and their connection relationship. [0004] Above-mentioned purpose of the present invention provides followin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B21/16F15B11/16
Inventor 苏建刘晓录赵强陈熔单红梅张栋林张立斌宫海彬戴建国潘洪达王秀刚牛贝妮刘洪发徐珊珊王恒刚王莹莹
Owner JILIN UNIV
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