液压支架占采掘设备总投资的70%左右,是综合机械化采煤工作面装备数量最多的产品。介绍了液压支架行业发展现状,并重点就神东矿区液压支架使用过程中出现的掩护梁开裂、柱窝开裂、底座开裂、伸缩顶梁开裂、护帮板耳座开裂、立柱镀层剥落、立柱锈蚀及密封损坏、中缸缸底断裂等主要问题进行了分析,并指出了解决措施,对煤矿的生产实际具有一定的指导意义。 Hydraulic support equipment accounts for about 70% of the total investment in mining equipment, is the most mechanized coal mining face equipment, the largest number of products. The development status of hydraulic support industry is introduced, and the key problems of cracking, cracking of column cover, cracking of base, cracking of telescopic roof beam, crack of guard plate and ear, cracking of column plating, column corrosion And the damage of the seal, the fracture of the middle cylinder and so on, and pointed out the solution measures, which have certain guiding significance to the actual production of the coal mine.