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Damping adjustment device

A damping adjustment and damper technology, applied in transportation and packaging, elastic suspension, suspension, etc., can solve the problems of complex structure, unfavorable flexible layout, low integration, etc., achieve good effect, compact structure, and expand application range effect

Inactive Publication Date: 2019-04-12
SPECIAL VEHICLE TECH CENT OF HUBEI AEROSPACE TECH RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the device has a complex structure and a single function, and the device is large in size and low in integration, which is not conducive to flexible arrangement in a compact space

Method used

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Embodiment Construction

[0036] The present invention provides a damping adjustment device to solve the technical problems of poor damping adjustment effect, poor damping adjustment reliability, low device integration, and poor structural rationality in the prior art.

[0037] Please refer to Figure 1-Figure 6 In a specific embodiment, the damping adjustment device provided by the present invention is used in a vehicle oil-air suspension hydraulic system. The damping adjustment device includes a valve block 1, a normally open reversing valve 5, a first one-way valve 6, and an overflow valve 7 and the damper 8. From the perspective of the hydraulic circuit, the normally open reversing valve 5 is arranged on the main oil circuit, and the first one-way valve 6, the overflow valve 7 and the damper 8 are arranged in parallel.

[0038] Wherein, the valve block 1 is provided with an oil passage, and the outer surface of all valve blocks 1 is provided with a first external oil port 2, a second external oil port 3...

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PUM

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Abstract

The invention discloses a damping adjustment device. The device includes a valve block, a normally open reversing valve, a first one-way valve, an overflow valve, and a damper. An oil passage is disposed in the valve block, an outer surface of the valve block is provided with a first external connection oil mouth, a second external connection oil mouth and a third external connection oil mouth that separately communicate with the oil passage; a first oil mouth of the normally open reversing valve separately communicates with the first external connection oil mouth and the third external connection oil mouth; an oil inlet of the first one-way valve communicates with a second oil mouth of the normally open reversing valve, and an oil outlet of the first one-way valve communicates with the second external connection oil mouth; the oil inlet of the overflow valve communicates with the second external connection oil mouth, and the oil outlet of the overflow valve communicates with the second oil mouth of the normally open reversing valve; and the first oil mouth of the damper communicates with the second oil mouth of a normally open electromagnetic reversing valve, and the second oil mouth of the damper communicates with the second external connection oil mouth. The damping adjustment device is characterized in that a damping adjustment range is relatively large, a damping adjustment effect is better, the reliability of damping adjustment is higher, a structure is compact, and the integration performance is good.

Description

Technical field [0001] The invention belongs to the technical field of special vehicle engineering, and particularly relates to a damping adjustment device. Background technique [0002] With the development of the automobile industry, the application of hydro-pneumatic suspensions in heavy and super heavy off-road vehicles and various construction machinery has become more and more extensive. The good cushioning and damping performance of the hydro-pneumatic suspension requires an adjustable damping device. In order to meet the actual needs of the project, the damping adjustment of the hydro-pneumatic suspension must have the advantages of reliable function and strong operability. At the same time, due to the damping of the hydro-pneumatic suspension The device is located between the hydro-pneumatic spring and the accumulator. Therefore, the damping device of the hydro-pneumatic suspension preferably has the function of rigid-elastic conversion at the same time. [0003] At prese...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60G17/04B60G17/052B60G17/056
CPCB60G17/0424B60G17/0523B60G17/056
Inventor 张熙隆王萍李学斌李立军宋永杰吴小平
Owner SPECIAL VEHICLE TECH CENT OF HUBEI AEROSPACE TECH RES INST