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为了保护采煤机的重要零部件,有必要对采煤机截割部的扭矩轴进行可靠性研究,建立采煤机扭矩轴和摇臂壳体为模态中性文件的采煤机刚柔耦合模型,在ANSYS中加载ADAMS输出的载荷文件,对扭矩轴进行可靠性研究,获得了扭矩轴不同参数下的U、V和二次曲线型卸荷槽的应力变化规律。通过比较相同深度条件下三种卸荷槽的时间-应力曲线,选取对受力最敏感的V型槽,基于应力分析的结果,应用ANSYS疲劳分析模块验证了优化后的扭矩轴的工作可靠性。
In order to protect the important components of the shearer, it is necessary to study the reliability of the torque shaft of the shearer’s cutting part, and to establish the shearer with the torsion shaft and rocker arm as modal neutral file Coupled model, the load file output by ADAMS is loaded into ANSYS to study the reliability of torque shaft, and the stress variation rules of U, V and quadratic curve unloading trough under different parameters of torque shaft are obtained. By comparing the time-stress curves of the three types of unloading trough under the same depth conditions, the most sensitive V-groove was selected. Based on the stress analysis results, the ANSYS fatigue analysis module was used to verify the reliability of the optimized torque shaft .