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一台瑞典产BOOMER28-1B凿岩台车在一次作业中,突然发生凿岩机在推进1m左右后不能再继续向前只能后退的故障现象。据此情况,我们拆检了推进油缸,结果发现缸套上1/3的内圆工作面和活塞均已严
A Swedish BOOMER28-1B drilling bogie in one operation, a sudden rock drill in the 1m or so can not continue to move forward only back to the phenomenon of failure. According to this situation, we disassemble the propulsion cylinder and found that the cylinder liner on the inner surface of 1/3 and piston have been strict