采煤机截割升降油缸常见故障分析及改进

Common Faults Analysis and Improvement of Shearer Cutting Lifting Cylinder

截割升降油缸是采煤机上至关重要的部件,其运行可靠性受煤层硬度、自身材质、制造精度、加工工艺、使用维护及检修等因素的影响。对采煤机运行过程中截割升降油缸出现的各种故障进行归纳总结,从设计、加工、装配和使用等方面详细分析了故障原因,并提出了对应的改进措施。

Cutting lifting cylinder is a vital component of shearer. Its operation reliability is affected by coal seam hardness, its own material, manufacturing accuracy, processing technology, use, maintenance and repair and other factors. Summarized various faults of the cutting lifting cylinder during the operation of the shearer, analyzed the causes of the faults in detail from the aspects of design, processing, installation and use, and put forward the corresponding improvement measures.