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
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.
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Figure CN114943115B_ABST
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.
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Citation Information
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