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Fatigue Life Analysis of Lifting Mechanism Rod Based on Virtual Prototyping and FEM

机译:基于虚拟原型和FEM的提升机构杆疲劳寿命分析

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In order to calculate fatigue life of dump truck lifting mechanism's structure components, a virtual prototyping model of lifting mechanism was built with Multi-body Dynamic Simulation Software ADAMS. The variation of applied force of lifting mechanism rod with lifting angle was obtained from dynamic analysis of lifting mechanism. A finite element (FEM) model of the rod was established using FEM Software MSC. PATRAN/NASTRAN, and its structural strength was analyzed. On this basis, S-N curve of the rod and linear cumulative damage law was combined to calculate the rod's fatigue life with Fatigue Analysis Software MSC. Fatigue using nominal stress method. This study provided a reference for the design and improvement of the lifting mechanism.
机译:为了计算自卸车提升机构结构部件的疲劳寿命,采用多体动态仿真软件亚当施工建立了升降机构的虚拟原型模型。提升机构的动力学分析获得提升机构施加力杆的施加力的变化。使用FEM软件MSC建立棒的有限元(FEM)模型。帕特兰/南斯坦,并分析了其结构强度。在此基础上,组合了杆和线性累积损伤法的S-N曲线,以利用疲劳分析软件MSC计算杆的疲劳寿命。使用标称应力法的疲劳。本研究为提升机构的设计和改进提供了参考。

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