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防坠器是指立井单绳缠绕提升系统中,提升主钢丝绳或罐笼连接装置发生断裂时,能使提升容器抓在罐道或者制动绳上的一种装置。《煤矿安全规程》及《金属非金属矿山安全规程》有明确要求:升降人员或升降人员和物料的单绳提升罐笼及乘人箕斗,必须装设可靠的防坠器;新安装或大修后的防坠器,必须进行脱钩试验,合格后方可使用;对使用中的立井罐笼防坠器,应每6个月进行1次不脱钩试
Fall arrester refers to a single shaft rope winding hoist system to enhance the main wire rope or cage connection device rupture, can make the lifting container caught in the tank or brake line on a device. “Coal Mine Safety Regulations” and “Metal Nonmetal Mine Safety Code” has a clear requirement: lifting personnel or lifting personnel and materials, single rope hoisting cage and riding people must be equipped with reliable anti-dropping device; new installation or overhaul Of the anti-dropping device, must be decoupled test, qualified before use; on the use of vertical cage anti-dropping device should be carried out once every 6 months without decoupling test