Connection hydraulic lock combination device for hydro pneumatic suspension vehicle attitude regulating system
A kind of technology of oil and gas suspension and combination device
Active Publication Date: 2012-10-03
CHINA NORTH VEHICLE RES INST
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Problems solved by technology
[0002] In the prior art, the stiffness characteristics of the elastic elements of the traditional suspension are not adjustable, and the posture of the vehicle body will change significantly when the vehicle load changes greatly, resulting in a significant decline in the vehicle's handling performance and ride comfort. In this case, foreign companies have realized a two-stage stiffness-adjustable suspension with no-load and full-load through oil-pneumatic springs, but there are not only two states in the actual use of the vehicle, and the uncertainty of the load makes this adjustment method unable to meet the use requirements. , which has also become a technical difficulty faced by domestic vehicle manufacturers and has not been able to effectively solve it, so it is particularly necessary to develop a suspension system with continuously adjustable vehicle posture.
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[0019] The vehicle posture adjustment system is described in detail below in conjunction with the accompanying drawings:
[0020] figure 1 Shown is the schematic diagram of the vehicle posture adjustment system.
[0021] The vehicle posture adjustment system is composed of a system power source 1, a hydraulic device, a right oil-pneumatic suspension 4, a right two oil-pneumatic suspension 5, a right three oil-pneumatic suspension 7, a left three oil-pneumatic suspension 8, a left two oil-pneumatic suspension 9, The left one oil-gas suspension 10 is composed of electric control device, cables and sensors, and each part is connected by high-pressure hard pipe (or flexible pipe). Preferably, the hydraulic device in the present invention is composed of the suspension device control combination 2 and the communication hydraulic lock combination 6, but those skilled in the art can arbitrarily combine multiple integrated control valves according to actual needs to realize the adjust...
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The invention relates to a connection hydraulic lock combination device for a hydro pneumatic suspension vehicle attitude regulating system. The hydraulic lock combination device integrates suspension hydraulic locks and obstacle surmounting valves, wherein the suspension hydraulic locks and the obstacle surmounting valves are electromagnetic valves; the hydro pneumatic suspension comprises at least two left hydro pneumatic suspensions and at least two right hydro pneumatic suspensions; the at least two left hydro pneumatic suspension are communicated through pipelines; the at least two right hydro pneumatic suspensions are communicated through pipelines; the obstacle surmounting valves are connected in series in the pipelines; when the obstacle surmounting valves are powered off, the at least two left hydro pneumatic suspensions and the at least two right hydro pneumatic suspensions form a balanced suspension structure; and when the obstacle surmounting valves are powered on, the at least two hydro pneumatic suspensions and the at least two right hydro pneumatic suspensions form an independent suspension structure.
Description
technical field [0001] The invention relates to a connected hydraulic lock combination device for an oil-pneumatic suspension vehicle posture adjustment system, which belongs to the application field of hydraulic machinery and motor vehicles. Background technique [0002] In the prior art, the stiffness characteristics of the elastic elements of the traditional suspension are not adjustable, and the posture of the vehicle body will change significantly when the vehicle load changes greatly, resulting in a significant decline in the vehicle's handling performance and ride comfort. In the current situation, foreign companies have realized the suspension form with two stages of adjustable stiffness at full and empty loads through oil and gas springs, but there are not only two states in the actual use of the vehicle, and the uncertainty of the load makes this adjustment method unable to meet the use requirements. , This has also become a technical difficulty that domestic vehic...
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IPC IPC(8): B60G17/04B60G17/016
Inventor 郑冠慧陈轶杰张亚峰孟强刘海涛鞠海洁崔向利韩小玲张旭宁丹郭建娟段国柱冯栋梁康鸿飞白国忠
Owner CHINA NORTH VEHICLE RES INST