ANTI-FATIGUE OPTIMIZATION DESIGN OF TRAILING ARM BASED ON ROAD LOAD

CHEN WeiBo; FAN Lu; LIU Bin

doi:10.16579/j.issn.1001.9669.2019.04.039

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ANTI-FATIGUE OPTIMIZATION DESIGN OF TRAILING ARM BASED ON ROAD LOAD

更新时间：2022-09-22

- ANTI-FATIGUE OPTIMIZATION DESIGN OF TRAILING ARM BASED ON ROAD LOAD
- Journal of Mechanical Strength Vol. 41, Issue 4, Pages: 1012-1016(2019)
- 作者机构：
  
  1. 泛亚汽车技术中心有限公司
- 作者简介：
- 基金信息：
- DOI：10.16579/j.issn.1001.9669.2019.04.039
  CLC：
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CHEN WeiBo, FAN Lu, LIU Bin. ANTI-FATIGUE OPTIMIZATION DESIGN OF TRAILING ARM BASED ON ROAD LOAD. [J]. 41(4):1012-1016(2019)
DOI：

CHEN WeiBo, FAN Lu, LIU Bin. ANTI-FATIGUE OPTIMIZATION DESIGN OF TRAILING ARM BASED ON ROAD LOAD. [J]. 41(4):1012-1016(2019) DOI： 10.16579/j.issn.1001.9669.2019.04.039.

摘要

为了评估及优化拖曳臂的疲劳耐久性能,以某车型拖曳臂为研究对象,进行了有限元分析和应变信号道路数据采集,将有限元分析结果与试验数据对比验证了有限元分析的准确性。针对拖曳臂疲劳失效原因进行了结构优化,根据道路数据生成了快速试验多级载荷谱,分别对优化前和优化后的拖曳臂进行了台架耐久试验,台架耐久试验结果与有限元仿真以及整车试车场路试结果一致。

Abstract

For evaluating and optimizing the trailing am fatigue performance, taking the trailing arm of a certain vehicle model as the research object, the finite element analysis and the strain signal road data acquisition were carried out. The accuracy of the finite element analysis was verified by comparing finite element analysis results with the test data. The structural optimization of the trailing arm was carried out based on its failure mode. The rapid test multi-level load spectrum was generated based on the road load data, and the rig durability test was carried out for original trailing arm and optimized trailing arm respectively. The rig durability test results were consistent with the finite element simulation and the proving ground durability test.

关键词

车辆工程结构优化台架试验拖曳臂多级载荷谱

Keywords

Vehicle engineeringStructural optimizationRig testTrailing armMulti-level load spectrum

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