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虚拟样机的铲运机整机动力学仿真.pdf

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第 39 卷 2011 年第 12 期 辑 编 目 栏 本 基于虚拟样机的铲运机整机   严   瑾 动力学仿真研究 1 1 2 2 1 贾美薇 ,黎  荣,李萍奎,何文波,丁国富 1西南交通大学机械工程学院  四川成都  610031 2金川集团有限公司设备研究所 · 装 · 铲 摘要:针对地下铲运机整机动力学仿真分析的不足,提出虚拟样机意义下整机动力学全工况仿真分析 的方法。根据实际作业工况,建立了前车体与举升臂有无接触、正载或偏载的 4 个动力学仿真模型, 并分别对每个模型在工作过程中的 8 个典型子工况进行整机动力学仿真。首次求解出举升臂与前车体 的接触力,确定了关键零部件强度分析的危险工况为偏载工况下的掘起工况和重载运输工况,得到了 运 用于关键零部件强度和疲劳分析的各铰点的全工况受力情况。  关键词:地下铲运机;多体力学;虚拟样机;ADAMS;仿真 中图分类号:TD422.4      文献标识码:A      文章编号:1001-3954(2011)12-0028-06 Study on dynamic simulation of LHD based on virtual prototype JIA Meiwei1,LI Rong1,LI Pingkui2 ,HE Wenbo2 ,DING Guofu1 1School of Mechanical Engineering, Southwest Jiaotong University, Chengdu 610031, Sichuan, China 2Equipment Research Institute of Jinchuan Group Ltd. Abstract :Considering the limitation of dynamic simulation on underground load-haul-dump vehicles (LHD), the method of simulating and analyzing the dynamics of LHD in all operation modes is proposed based on virtual prototype. According to actual operation modes, four dynamic simulation models are established according to there is contact between the front frame of LHD and the lifting arm or not as well as the load is symmetrical or asymmetrical. The dynamic simulation of each LHD model in eight typical operation modes
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