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Vehicle height adjustment system and control method thereof

A technology for adjusting the system and vehicle height, which is applied to vehicle components, elastic suspensions, suspensions, etc., can solve the problems of late start of research and achieve ingenious effects

Active Publication Date: 2019-05-10
宁波互生元机电科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, domestic research on this aspect started relatively late.

Method used

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  • Vehicle height adjustment system and control method thereof
  • Vehicle height adjustment system and control method thereof
  • Vehicle height adjustment system and control method thereof

Examples

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Embodiment

[0071] Take a ten-wheeled vehicle as an example. The car body includes a front axle and a rear axle. The front axle is equipped with 4 tires, and the rear axle is equipped with 8 tires. Each tire is equipped with an actuator. Among them, the car body is equipped with four tires. Main control valve, respectively, main control valve A, main control valve B, main control valve C, main control valve D, main control valve A is connected to sub control valve A1 and sub control valve A2, main control valve B is connected to sub control Valve B1 and sub-control valve B2, main control valve C is connected with sub-control valve C1, sub-control valve C2, sub-control valve C3 and sub-control valve C4, main control valve D is connected with sub-control valve D1, sub-control valve D2 Sub-control valve D3 and sub-control valve D4. Each sub-control valve is connected with an actuator (oil-air spring). Each actuator is equipped with a displacement sensor and a pressure sensor. The displacement ...

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Abstract

The invention discloses a vehicle height adjustment system. The vehicle height adjustment system comprises an oil supply device, a first oil circuit and second oil circuits, and further comprises a control unit and four main control valves, wherein each of the main control valves is connected to the oil supply device through the first oil circuit; each of the main control valves is connected withat least one sub-control valve through the corresponding second oil circuit; the sub-control valves are provided with actuators; the actuators are provided with displacement sensors and pressure sensors; the displacement sensors and the pressure sensors are all connected to the control unit; and the four main control valves and the sub-control valves connected to the main control valves are all connected to the control unit. The vehicle height adjustment system is simple, effective, and ingenious in design. The vehicle height adjustment system can adjust the height of a vehicle body, and adjust the load carried by a hydropneumatic spring after the height adjustment of the vehicle body.

Description

Technical field [0001] The present invention relates to the technical field of vehicle height adjustment, in particular to a vehicle height adjustment system and a control method thereof. Background technique [0002] Hydro-pneumatic suspension is a suspension device that integrates elastic elements and shock absorbers. It overcomes the linear characteristics of leaf springs and can be well applied to engineering vehicles and special vehicles. It has good shock absorption performance, ride comfort and vehicle Stability of driving, and can realize the adjustment of vehicle height. At present, foreign related oil-gas springs and oil-gas suspension technologies have become relatively mature products, and their automatic adjustment mechanisms have been applied to various engineering vehicles and special vehicles. The domestic research in this area started relatively late. [0003] The hydro-pneumatic suspension in the vehicle is equipped with an actuator-a hydro-pneumatic spring. The...

Claims

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Application Information

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IPC IPC(8): B60G17/052
Inventor 娄永旵娄永标
Owner 宁波互生元机电科技有限公司
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