Limiting buffer and capacity composite air spring capable of adjusting static stiffness

Abstract

Passive air suspension systems are commonly used at present. Because the air springs of the passive air suspensions have stiffness defects and matching between the standard series of air bag stiffness and the vehicle parameters is unreasonable and can not be adjusted in a personalized manner, the vehicles adopting the passive air suspensions sway more seriously during running so that the passengers and the drivers often feel dizzy and uncomfortable, thus seriously affecting the comfortableness of the passengers and the safe driving of the drivers. The phenomenon has become the main reason for the problem that the popularization and application of the passive air suspensions in the passenger cars are seriously affected. The invention provides a limiting buffer and capacity composite air spring capable of adjusting static stiffness. The air spring has the following beneficial effects that: the static stiffness of the air spring is simple, convenient and practicable to adjust; the air spring is simple in structure and low in cost; and the dynamic stiffness of the air spring can be effectively improved by a buffer air chamber and a buffer orifice plug before an air bag is compressed to the limited block of a vehicle body, thus reducing impact of dynamic load on the vehicle body.

Description

1. Technical field: [0001] The invention relates to an air spring for a vehicle air suspension. This kind of composite air spring composed of buffer air chamber limit buffer and airbag internal volume adjustment static stiffness is especially suitable for passenger buses, urban bus buses, and also suitable for large freight trucks, rail transit vehicles, and passive air springs for special vehicles. Suspension System. 2. Background technology: [0002] In order to improve the ride comfort of the car, improve the comfort of the ride, and reduce the damage of the vehicle to the road and goods, developed countries have widely used air suspension in the suspension system of their transport vehicles. In recent years, my country has also been vigorously promoting and mandating the use of air suspension. In the continuous development of air suspension technology, in order to further improve the stiffness adjustment characteristics of the air spring, so that it is more suitable fo...

AI Technical Summary

Problems solved by technology

At present, the passive air suspension system is commonly used. Due to the defects of the air spring stiffness characteristics of the passive air suspension, and the unreasonable matching between the standard airbag stiffness and the vehicle parameters, and the inability to perform individualized adjustments, resulting in The vehicle with passive air suspension has a serious sideways phenomenon during operation, which often causes dizziness and discomfort to the occupant and driver, seriously affecting the comfort of the occupant and the safe driving of the driver.

This has become the main reason that seriously affects the popularization and application of passive air suspension on passenger cars

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