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Vehicle body posture control system based on hydro-pneumatic suspension

A technology of attitude control and oil-pneumatic suspension, which is applied to suspensions, elastic suspensions, vehicle components, etc., can solve problems affecting vehicle ride comfort and driving safety, large braking pitch angles, large roll angles, etc., to reduce Rollover risk, improved reliability, and improved safety effects

Pending Publication Date: 2020-06-12
JILIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the body attitude of the oil-pneumatic suspension vehicle is passively controlled, which cannot be adjusted according to the driving conditions of the vehicle, resulting in a large braking pitch angle and a large roll angle during the steering process, which affects the ride comfort and driving safety of the vehicle.

Method used

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  • Vehicle body posture control system based on hydro-pneumatic suspension
  • Vehicle body posture control system based on hydro-pneumatic suspension
  • Vehicle body posture control system based on hydro-pneumatic suspension

Examples

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Embodiment Construction

[0014] see figure 1 As shown, the present invention includes a first relief valve 1, a second relief valve 11, a third relief valve 12, a fourth relief valve 13, a first accumulator 2, a second accumulator 21, a third accumulator 22, fourth accumulator 23, first lock-up control valve 3, second lock-up control valve 31, third lock-up control valve 32, fourth lock-up control valve 33, first suspension cylinder 4, The second suspension cylinder 41, the third suspension cylinder 42, the fourth suspension cylinder 43, the first actuator 5, the second actuator 51, the third actuator 52, the fourth actuator 53, the first unloading control Valve 6, second unloading control valve 61, third unloading control valve 62, fourth unloading control valve 63, first control cylinder 7, second control cylinder 71, third control cylinder 72, fourth control cylinder 73, first Vehicle attitude control valve 8, second vehicle attitude control valve 81, third vehicle attitude control valve 82, fourt...

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PUM

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Abstract

The invention discloses a vehicle body posture control system based on a hydro-pneumatic suspension. The control system comprises four actuators, four control oil cylinders, four energy accumulators,four vehicle posture control valves and four unloading control valves. Movement of the control oil cylinder is controlled by an actuator, and oil cavities at two ends of the control oil cylinder are respectively connected with a large cavity of the suspension oil cylinder through vehicle posture control valves. Oil cylinders at two ends of the control oil cylinder are respectively communicated with the oil tank through unloading control valves. The vehicle body posture control system has the function of adjusting the vehicle body posture, and the vehicle driving safety is improved. The vehiclebody posture control system is low in energy consumption and high in safety coefficient.

Description

technical field [0001] The invention relates to a vehicle body posture control system, in particular to a novel vehicle body posture control system based on an oil-pneumatic suspension. Background technique [0002] At present, the body attitude of the oil-pneumatic suspension vehicle is passively controlled, which cannot be adjusted according to the driving conditions of the vehicle, resulting in a large braking pitch angle and a large roll angle during the steering process, which affects the ride comfort and driving safety of the vehicle. . Contents of the invention [0003] The purpose of the patent of the present invention is to reduce the pitch angle and roll angle of the vehicle under complex working conditions, and to provide a vehicle body attitude adjustment control system based on oil-pneumatic suspension. [0004] The invention includes four suspension oil cylinders, four actuators, four control oil cylinders, four unloading control valves, four attitude contro...

Claims

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Application Information

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IPC IPC(8): B60G17/015
CPCB60G17/0152
Inventor 张小江刘文硕韩越高路欣王兆昊黄昭彦
Owner JILIN UNIV
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