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作 者:乔振峰 薛军 QIAO Zhenfeng;XUE Jun(CHN Energy Shendong Coal Group Co.,Ltd.,Yulin 719315,China)
机构地区:[1]国能神东煤炭集团有限责任公司,陕西榆林719315
出 处:《中国矿业》2024年第S02期208-211,共4页China Mining Magazine
摘 要:以薄煤层采煤机摇臂系统中NGW型行星传动齿轮为例,分析啮合传动过程,建立无量纲归一化啮合曲线坐标,分别基于赫兹接触理论和Ansys有限元软件,对齿面平均接触应力进行数值计算和仿真分析,得到了平均接触应力沿啮合坐标的分布规律和有限元应力云图,交互验证了赫兹接触理论和有限元仿真在求解该类问题上的正确性和可行性。同时也证明三维模型建模的准确性,为后续的强度校核、传动优化设计奠定基础。Taking the NGW type planetary transmission gear in the thin coal seam shearer rocker system as an example,the meshing transmission process is analyzed,the dimensionless normalized meshing curve coordinates are established,and the average contact stress of the tooth surface is calculated and simulated based on hertz contact theory and Ansys finite element software,respectively,and the distribution law of the average contact stress along the mesh coordinates and the finite element stress cloud diagram are obtained,and the correctness and feasibility of hertz contact theory and finite element simulation in solving such problems are verified interactively.At the same time,it also proves the accuracy of 3D model modeling,laying the foundation for subsequent strength verification and transmission optimization design.
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