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邯郸矿务局康城矿三井自1985年7月使用MLS_3P-170型双滚筒联合采煤机组以来,由于地质条件造成的工作面运输机起伏不平,以及牵引链不直工作中有扭劲等情况造成的顺链器损坏情况时有发生。仅1985年6月至1986年10月以来在三井三二四七工作面发生顺链器损坏事故多次,每次事故都必须拆卸整机,将底托架与顺链器运上井焊固(因康城矿三井为高瓦斯突出矿井,工作面
Handan Mining Bureau Cancheng mine Mitsui since July 1985 using the MLS_3P-170 double drum combined shearer has been due to geological conditions caused by fluctuations in the transport surface irregularities, as well as the traction chain is not straight work in the twisting and other conditions caused Often the chain damage occurs from time to time. Only from June 1985 to October 1986 has occurred in Mitsui 3274 face accidents along the chain damage occurred several times, each accident must be disassembled machine, the bottom bracket and the chain shipped on the shaft welding solid ( Due to Cannes mine Mitsui high gas outburst mine, face