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合肥矿山机器厂铸造车间有一台10m~2台车式铸件热处理炉,工作温度950℃,最大装炉量25t,台车尺寸为4000×2500mm,采用滚柱传动。台车牵引原采用水平轴内滑轮行车牵引结构,利用车间起重行车,通过内、外平向滑轮直接将台车拉进、拉出热处理炉。由于车间起重行车为3t单梁桥式起重机,轨高6m,而台车行程为7m,每次出炉、进炉需用人工两次摘挂钢丝绳,十分不便,而且经常出现钢丝绳被拉断事故。
Hefei Mining Machinery Plant casting shop has a 10m ~ 2 car castings heat treatment furnace, the working temperature of 950 ℃, the maximum load of 25t, trolley size of 4000 × 2500mm, the use of roller drive. Trolley traction using the original horizontal axis of the pulley drive traction structure, the use of lifting the road vehicles, directly through the inner and outer pulleys pulled into the trolley, pulled out of the heat treatment furnace. As the workshop crane for the 3t single-girder overhead traveling crane, track height of 6m, and the trolley travel of 7m, each baked, into the furnace need to manually pick the wire rope hanging twice, very inconvenient, and often appear broken wire rope accident .