采煤机在大角度俯采时,经常会出现装煤效果差,行走轮和导向滑靴严重磨损,液压系统发生故障等情况。针对上述问题提出了相应的改进措施。经过改进后,大大降低了采煤机故障的频率,提高了生产效率。 Coal mining machine in the high-angle subduction, often with poor coal loading, walking wheel and guide shoe serious wear and tear, hydraulic system failure and so on. In view of the above problems, the corresponding improvement measures are put forward. After the improvement, greatly reducing the frequency of shearer failure and improve production efficiency.