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本文主要通过对JT800/630型矿用提升绞车的制动力矩进行计算和分析,列举了该型绞车上下出绳提放重载四种工况,进一步对绞车存在的制动安全问题提出改进意见。
Based on the calculation and analysis of the braking torque of JT800 / 630 mining hoist, this paper lists four operating conditions of lifting and lowering of the hoisting ropes, and puts forward some suggestions on how to improve the braking safety of winches .