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An airless low stiffness large dynamic displacement air spring system

An air spring, large dynamic technology, applied in the direction of spring, spring/shock absorber, shock absorber-spring combination, etc., to achieve the effect of improving dynamic displacement capacity, improving safety, and compact overall structure

Active Publication Date: 2021-03-02
ZHUZHOU TIMES NEW MATERIALS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Considering the stability requirements of auxiliary springs, it is difficult to meet such requirements by existing rubber auxiliary springs alone

Method used

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  • An airless low stiffness large dynamic displacement air spring system

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Embodiment Construction

[0020] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0021] Such as figure 1 As shown, an embodiment of the airless low stiffness large dynamic displacement air spring system of the present invention includes an upper cover plate 1, an air bag 2, an upper pre-compression sleeve 3, a lower pre-compression sleeve 4 and a lower pressure sleeve 5, and an upper cover The outer periphery of the plate 1 is connected with the outer periphery of the lower pressure sleeve 5 through the air bag 2, and the bottom of the inner cavity of the lower pressure sleeve 5 is provided with a low-position laminated spring 6, and the lower pre-compression sleeve 4 is connected to the low-position laminated spring 6, and the lower pre-loaded The mouth of the compression sleeve 4 faces the upper cover plate 1, the mouth of the upper pre-compression sleeve 3 is in sliding contact with the mouth of the lower press...

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Abstract

The invention discloses an airless air spring system with low stiffness and large dynamic displacement, which comprises an upper cover plate, an air bag, an upper pre-compression sleeve, a lower pre-compression sleeve and a lower pressure bearing sleeve. The outer peripheral connection of the sleeve opening, the bottom of the inner cavity of the lower pressure bearing sleeve is provided with a low-level laminated spring, the lower pre-compression sleeve is connected to the low-position laminated spring, and the sleeve opening of the lower pre-compression sleeve faces the upper cover plate, and the sleeve opening of the upper pre-compression sleeve It is slidingly connected with the mouth of the lower pressure sleeve and can move vertically along the mouth of the lower pressure sleeve. There are multiple concentrically arranged high-position steel springs preloaded between the upper pre-compression sleeve and the lower pre-compression sleeve. The spring is located at the center of the upper pre-compression sleeve and the lower pre-compression sleeve. The air spring system has the advantages of simple and compact structure, convenient installation, small vertical stiffness, strong dynamic displacement capability, high comfort and safety.

Description

technical field [0001] The invention mainly relates to buffering and damping technology, in particular to an airless, low-rigidity, large-dynamic-displacement air spring system. Background technique [0002] Air spring components are used in a wide range of applications, such as railway carriages, heavy-duty vehicles, and other applications where cushioning or shock absorption is important. Typically, such spring assemblies include an elastomeric body positioned between a pair of rigid end plates. The elastomer is made of rubber and is compressed by the load applied to the spring assembly. In the prior art, the rubber emergency spring will creep during the service life due to the characteristics of the rubber, and at the same time, due to the nonlinearity of the rubber, the vertical stiffness will increase when the load increases. In some high-speed vehicle projects, the auxiliary spring is required to have a small vertical stiffness, a small outer diameter, and a large dy...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16F13/00F16F9/04F16F9/32
CPCF16F9/04F16F9/3207F16F13/007F16F2222/126
Inventor 叶特程海涛农多敏龙垚坤周军陈灿辉肖帆
Owner ZHUZHOU TIMES NEW MATERIALS TECH
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