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This study constructs rigid and rigid-flexible coupling models of the drive system of a coal cutter’s cutting part using SolidWorks and ADAMS. It calculates gear stiffness based on Hertzian contact theory and conducts dynamic simulation analysis. The results demonstrate that the maximum stresses on the output spindle and the planetary frame reach 292.11 MPa and 375.6 MPa, respectively, exceeding the allowable stress of the materials, where the splined chamfer and internal spline are identified as weak points. The simulation validates the rationality of the model parameter settings, providing a theoretical basis for optimizing the dynamic performance and fatigue life analysis of key components.

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Dynamic Simulation Analysis of Key Components in the Transmission System of the Coal Cutter’s Cutting Section

  • 会议论文

  • 发表日期：

    2026年

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  • Xunan Liu,
  • Xiangyu Lv

摘要

This study constructs rigid and rigid-flexible coupling models of the drive system of a coal cutter’s cutting part using SolidWorks and ADAMS. It calculates gear stiffness based on Hertzian contact theory and conducts dynamic simulation analysis. The results demonstrate that the maximum stresses on the output spindle and the planetary frame reach 292.11 MPa and 375.6 MPa, respectively, exceeding the allowable stress of the materials, where the splined chamfer and internal spline are identified as weak points. The simulation validates the rationality of the model parameter settings, providing a theoretical basis for optimizing the dynamic performance and fatigue life analysis of key components.