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我国《煤矿安全规程》和《金属非金属矿山安全规程》规定,竖井提升罐笼的防坠器,新安装或大修后必须进行脱钩试验,合格后方可使用;在用的防坠器,每年进行1次脱钩试验。国家最新颁布的AQ2019-2008《金属非金属矿山竖井提升系统防
China’s “mine safety regulations” and “metal non-metallic mine safety regulations” provides that the shaft to enhance cage anti-dropping device, the new installation or overhaul must be carried out after the decoupling test, qualified before use; anti-dropping device used in the annual 1 Times decoupling test. National latest promulgation of AQ2019-2008 "metal non-metallic mine shaft hoist system prevention