镶嵌自润滑石墨铜套在采煤机上的设计与应用

Design and Application of Copper Inlaid Self-lubricating Graphite Set in Coal Winning Machine

采煤机摇臂、牵引部与托架间铰接采用锥轴锥套,采煤机在井下使用过程中,经常出现摇臂与托架、托架与牵引部铰接的锥轴抱死,影响摇臂正常升降同时造成拆卸困难的问题。针对出现的问题,从设计与使用2个方面进行分析研究,通过实际使用镶嵌自润滑石墨铜套,改善了锥轴的润滑效果,提高了耐磨性,有效地解决了锥轴抱死的问题。

Rocker arm of shearer, traction between the bracket and hinged with cone shatt taper sleeve, downhole in use process, often appear the rocker and bracket, bracket and traction of hinged lock cone axis, radial normal lift and remove the difficult problem. Aiming at the problems,from two aspects of design and use of analysis research, through actual use copper inlaid self-lubricating graphite, to improve the lubrication effect of the cone shaft, improves the wear resistance, effectively solved the problem of the cone shaft lock.