Membrane air spring stiffness characteristic design method, device, equipment and storage medium

By optimizing the structure and performance parameters of the membrane air spring through sensitivity analysis and CAE technology, the problems of low stiffness design accuracy and low efficiency in the existing technology are solved, and high-precision and efficient air spring design is achieved.

CN114943115BActive Publication Date: 2025-09-09CHINA FAW CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202210485913.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-05-06
Publication Date
2025-09-09
Estimated Expiration
2042-05-06

AI Technical Summary

Technical Problem

In the existing technology, the stiffness design accuracy of membrane air springs is low, and the design relies on empirical formulas, resulting in a long design cycle and low efficiency, and requires a large amount of experimental optimization.

Method used

A sensitivity analysis-based method is used to optimize the air spring structure and performance parameters through CAE analysis and finite element meshing, combined with Abaqus software, to achieve collaborative design of the structure and stiffness of the membrane air spring.

Benefits of technology

Improves the precision and efficiency of air spring design, ensures the accuracy of stiffness design, and reduces the need for test optimization.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN114943115B_ABST
    Figure CN114943115B_ABST
Patent Text Reader

Abstract

The present invention belongs to the field of automobile technology, specifically a method, device, equipment and storage medium for designing the stiffness characteristics of a diaphragm air spring. It comprises: step one, CAE analysis of the axial stiffness of the diaphragm air spring; step two, designing the radial dimension parameters of the cross section of the diaphragm air spring; step three, designing the axial dimension parameters of the cross section of the diaphragm air spring; step four, designing the performance parameters of the diaphragm air spring. The present invention adopts a method based on sensitivity analysis to achieve the design of a model air spring by optimizing the structure and performance parameters of the air spring; the present invention can achieve the coordination of the structural design and stiffness design of the diaphragm air spring, improve the design efficiency, ensure the design accuracy, and solve the problem that the air spring designed based on the stiffness theory formula cannot guarantee the stiffness design accuracy, and a large number of experiments are required to improve the stiffness design accuracy, the design cycle is long, and the design efficiency is low.
Need to check novelty before this filing date? Find Prior Art

Citation Information

Patent Citations

  • Design method for air spring rubber air chamber for automobile

    CN101367323A