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Vehicle side tipping control device

A control device and vehicle-side technology, which is applied to vehicle components, transportation and packaging, elastic suspension, etc., can solve the problems of high cost, complex control system, and inability to balance the steering flexibility and comfort of the anti-roll device, and achieve Good anti-rolling, simple control system, good comfort

Inactive Publication Date: 2020-02-14
陈刚
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Solve the situation where the steering flexibility and comfort of the vehicle anti-roll device cannot be balanced
[0007] Solve the problems of high cost and complex control system of active roll control

Method used

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  • Vehicle side tipping control device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0038] Preferred solution: roll control device composed of triple double-rod hydraulic cylinders

[0039] The roll control device includes: front double-rod hydraulic cylinder, rear double-rod hydraulic cylinder, displacement execution double-rod hydraulic cylinder, hydraulic source, three-position four-way solenoid valve, lateral acceleration sensor, controller, displacement sensor, etc. .

[0040] Such as figure 1 Shown: The front double-rod hydraulic cylinder (4), the rear double-rod hydraulic cylinder (13) and the actuator (6) (displacement execution double-rod hydraulic cylinder) form a triple-linkage hydraulic cylinder (9); the displacement sensor measures The displacement value of the piston of the double-rod hydraulic cylinder; the displacement execution of the double-rod hydraulic cylinder (6) is provided by the hydraulic pump (15) with a hydraulic source, and its action is controlled by the three-position four-way valve (14), driving the three-linkage hydraulic cyli...

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PUM

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Abstract

The invention relates to a vehicle side tipping control device. The most ideal manner of vehicle side tipping control is that during turning, the support rigidity of an outer side during turning is increased, and the support rigidity of an inner side is reduced, so that the upper side of a vehicle body is not deflected towards the outer side, and the vehicle body is slightly deflected towards theinner side. According to the vehicle side tipping control device, a side tipping prevention method for a vehicle adopting hydropneumatic suspension or hydraulic suspension is that the amounts of hydraulic oil in support liquid cylinders at the inner side and the outer side during turning are synchronously increased and reduced by a double-output-rod hydraulic cylinder, so that during turning of the vehicle, the support rigidity of the inner side is reduced, the rigidity of the outer side is increased, and side tipping is reduced.

Description

technical field [0001] The invention is applicable to a vehicle roll control device, and is especially suitable for the roll control of a vehicle with liquid-pneumatic suspension or hydraulic suspension. Background technique [0002] Rolling is caused by the centrifugal force generated by the steering of the vehicle during driving, which makes the body shift upwards and outwards, which increases the bearing capacity of the outer wheels and reduces the bearing capacity of the inner wheels. Rolling will affect the flexibility when turning, the stability of the vehicle body and the ride comfort. The existing vehicle anti-rolling control is divided into active and passive, and the main method is to increase the support stiffness. [0003] Passive methods are used to control its roll, and most of them use mechanical or hydraulic linkage to make the supports on both sides bear the force together, so as to reduce the height difference between the supports on both sides and achieve ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60G17/016
CPCB60G17/0162B60G2400/98
Inventor 陈刚
Owner 陈刚
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