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xiao jiao che cao zuo shou ba ding wei bi suo zhuang zhi
Pages: 17-19
Year: Issue:  10
Journal: Safety in Coal Mines

Keyword:  小绞车闭锁装置操作手建筑工地绞车司机手控调速运输工作原理强度校核;
Abstract: <正> 煤矿井下短小的上下山运输和建筑工地广泛使用 JD-11.4型小绞车。该类绞车是靠人工手控操作手把达到制动和调速的,没有闭锁装置;当小绞车吊车装卸和正常运行时、绞车司机长时间用手按压操作手把,很可能由于用力不匀、疏忽或臂力不支,造成
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