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An air spring composed of a limit buffer and a filler to adjust the static stiffness

A technology of air springs and fillers, applied in the direction of springs, springs/shock absorbers, gas shock absorbers, etc., can solve the problem of affecting occupant comfort and driving safely, affecting the promotion and application of passive air suspension, occupants and drivers. dizziness and discomfort, to achieve the effect of reliable performance, simple structure and improved comfort

Inactive Publication Date: 2011-12-21
杨洁
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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

Method used

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  • An air spring composed of a limit buffer and a filler to adjust the static stiffness
  • An air spring composed of a limit buffer and a filler to adjust the static stiffness

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Embodiment Construction

[0007] First determine the difference between the static stiffness of the selected standard airbag and the actual demand according to the actual needs of the vehicle, and then calculate or test the volume that should be reduced for the selected airbag. The airbag 1 is filled with a filler 6 whose volume is determined by calculation. The filled filler 6 occupies the volume of the airbag 1, reduces the effective volume of gas in the airbag 1, and improves the static stiffness of the air spring; on the contrary, take out The partially filled filler 6 reduces the static stiffness of the air spring; in the airbag 1, a buffer throttle plug 3 and a buffer air chamber 4 are set according to the height of the vehicle body height limiter, when the vehicle encounters a Under heavy dynamic load, when suddenly rushing downward, the buffer throttle plug 3 enters the upper round hole of the buffer air chamber 4 in advance, and before the body limit block approaches the limit block on the axle...

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Abstract

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 of the airbag stiffness of the standard series with the vehicle parameters, and the inability to perform individualized adjustments, resulting in Vehicles with passive air suspension have a serious roll phenomenon during operation, which often causes dizziness and discomfort to the occupants and the driver, seriously affecting the comfort of the occupants 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. The present invention is an air spring composed of cushioning and filler in the airbag. The filler is bulk particles or massive solids and flowable substances with high viscosity. The static stiffness of the air spring is easy to adjust, simple in structure and low in cost. low. When the dynamic load acts, the dynamic stiffness of the air spring can be effectively improved before the airbag is compressed to the limit block of the vehicle body, and the impact of the dynamic load on the vehicle body can be reduced.

Description

1. Technical field: [0001] The invention relates to an air spring for a vehicle air suspension. This composite air spring composed of cushioning air chambers and fillers in the airbag is especially suitable for passenger buses, city bus buses, freight trucks, rail transit vehicles, and passive air suspension systems for special vehicles. 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 for the change of vehicle load, people have carried out in-depth exploration and deve...

Claims

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Application Information

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IPC IPC(8): F16F9/04F16F9/44
Inventor 杨洁
Owner 杨洁
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