摘 要：针对 V 型推力杆杆体在应用中出现的疲劳失效问题，从 V 型推力杆的结构及承载形式入手，依据实测路谱等效载荷条件，通过复杂工况的有限元分析及多种疲劳试验进行研究。结果表明本文提出的“纵向+横向”双向疲劳试验方法能够再现 V 型推力杆失效模式。
关键词：V 型推力杆；试验设计；疲劳性能
中图分类号：U463. 33 文献标志码：A 文章编号：1006-3331(2023)01-0040-05
Design and Application of Bi-directional Fatigue Test to Identify the Failure of V-typed Thrust Rod
WANG Yeqing, LIN Dawen, WANG Jin, WANG Fengyu, LIU Xiaoqian
Abstract: In view of the fatigue failure problem of the V-typed thrust rod body in an application, this paper starts from the structure and bearing type of the V-typed thrust rod,stvdies the finite element analysis of complex working conditions and various fatigue tests according to the equivalent load conditions of the measured road spectrum. The results show that the longitudinal+transverse bi-directional fatigue test method proposed in this paper can represent the failure mode of the V-typed thrust rod.
Key words: V-typed thrust rod; experimental design; fatigue performance
