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1987年8月21日上午,某坑口单罐笼、单箕斗混合井卷扬司机师徒2人做完开车前的维护、检查后,于10时20分开始提矿。第一斗提上一个中段时,司机试用紧急制动,制动不了,又采用工作制动,也不灵,箕斗下滑不止,后叫学徒将一块破布放入刹车带内,才将箕斗刹住。嗣后,司机将工作闸调紧了一下,又开始提矿。当提第五斗进入减速运行时,箕斗没有滑完卸矿高度就停了下
On the morning of August 21, 1987, a pit cage single-cage, single-bucket mixed well winch driver mentor 2 people done the maintenance before driving, after the inspection began at 10:20 began to mention. The first bucket put on a middle section, the driver trial emergency brake, brake can not, and use the work of braking, not working, skip down more than, then called an apprentice will be a rag into the brake band, only Kei Brake brake. Later, the driver tightened the work gate and began to raise the mine again. When the fifth bucket entered the deceleration operation, the skip was stopped without skidding