基于实测道路谱的支架疲劳仿真分析及优化  

Simulation analysis and optimization of bracket fatigue based on measured road spectrum

作　　者：黄远都 黄盼 杨浩 Huang Yuandu;Huang Pan;Yang Hao(SAIC-GM-Wuling Automobile Co.,Ltd.,Liuzhou 545000,China;Guangxi Aisheng Creative Technology Co.,Ltd.,Liuzhou 545000,China)

机构地区：[1]上汽通用五菱汽车股份有限公司,广西柳州545000 [2]广西艾盛创制科技有限公司,广西柳州545000

出　　处：《汽车知识》2024年第4期86-88,共3页Auto Know

摘　　要：充配电安装支架用于支撑充配电总成和相关电缆,其疲劳开裂问题研究具有重要工程实践意义。本文通过道路谱采集和疲劳仿真分析等方法,对充配电安装支架在整车结构耐久道路试验中出现的疲劳开裂问题进行分析论证,提出了一种优化设计方案。结果表明,通过优化充配电安装支架的结构设计,可以显著提高其疲劳寿命和可靠性。The charging and distribution installation bracket is used to support the charging and distribution assembly and related cables,and it has important engineering practical significance to study the fatigue cracking problem.Through the methods of road load spectrum acquisition and fatigue simulation analysis,the fatigue cracking problem of the charging and distribution installation bracket in the road test of the vehicle structure durability is analyzed and demonstrated,and an optimization design scheme is proposed.The results show that the fatigue life and reliability of the bracket can be significantly improved by optimizing the structural design of the bracket.

关 键 词：充配电安装支架 道路谱采集 整车结构耐久道路试验 疲劳开裂 疲劳仿真 

分 类 号：U469.72[机械工程—车辆工程]