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基于LS-DYNA采煤机镐型截齿截割有限元分析

Study on Conical Pick Cutting Using LS-DYNA

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【Author】 Wang Zhengrong,Xiong Xiaoyan(Institute of Mechano-Electronic Engineering,Taiyuan University of Technology Taiyuan,030024,China)Zhang Hong(Taiyuan Branch of China Coal Research Institute Taiyuan,030006,China)Chen Dongbing(Patent Examination Cooperation Center Beijing,100190,China)

【机构】太原理工大学机械电子工程研究所；煤炭科学研究总院太原研究院；专利审查协作中心；

【摘要】利用ANSYS中的LS-DYNA模块,建立采煤机截齿截割煤层的有限元三维数字化模型,模拟了镐型截齿截割煤层的动态过程。在后处理中,获取了截齿的能量、速度和加速度等的时间历程曲线,分析了截齿安装的不同角度对截割块煤效率的影响,得出了对块煤截割效率最高的截齿安装角为40°。更多还原

【Abstract】 The essence of cutting coal is a process of impacting and breaking the coal with picks.It is difficult to analyze the dynamic process based on the theory and experiment methods.This paper presents a 3-dimensional digital model using the simulation module of impact and cutting in ANSYS/LS-DYNA,and the dynamic process of cutting coal with conical picks is simulated visually.Time curves of speed,acceleration and energy related to researched parts were obtained.Effects of different pick installation angles on cutting efficiency were analyzed.The conclusion is that when the pick installation angle is 40° its cutting efficiency is higher than others.更多还原

【关键词】镐型截齿；截割；采煤机；有限元分析；
【Key words】 conical pick cutting coal cutting machine finite element analysis；

【基金】国家自然科学基金资助项目(编号:50975188);山西省科技攻关基金资助项目(编号:20090322015)

【文献出处】振动.测试与诊断 ,Journal of Vibration, Measurement & Diagnosis , 编辑部邮箱 ,2010年02期

【分类号】TD421.61
【被引频次】86
【下载频次】829

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