随机载荷下矿用自卸车后桥壳疲劳寿命分析[J].pdf

48 12 Vol.48 No.12 2 0 1 2 6 JOURNAL OF MECHANICAL ENGINEERING Jun. 2 0 1 2 DOI 10.3901/JME.2012.12.103 * 1 1, 2 1 1 3 3 (1. 410082 2. 412007 3. 411100) SF33900 库 TD57 例 Fatigue Life Analysis of Rear Axle Housing of Mining Dump Truck under Random Load 案 E MI Chengji1 GU Zhengqi1, 2 WU Wenguang1 TAO Jian1 LIANG Xiaobo3 PENG Guopu3 A (1. State Key Laboratory of Advanced Design and Manufacture for Vehicle Body, C Hunan University, Changsha 410082; 2. Hunan University of Technology, Zhuzhou 412007; 模 3. Xiangtan Electric Manufacturing Group Heavy-duty Equipment Co., Ltd., Xiangtan 411100) Abstract In order to study fatigue life of rear axle housing of the first Chinese SF33900 mining dump truck, the finite element model 凯 of rear axle housing is built. Stress analysis and experimental results are compared, which finds out that the margin of error is O acceptable and verifies the accuracy of the model as well. Regarding dynamics analysis results as ran