根据《煤矿安全规程》有关规定,所有在用的罐笼防坠器每年必须进行一次脱钩试验。BF-321型防坠器是目前使用比较普遍的立井罐笼安全装置。介绍了该防坠器脱钧试验合格的标准、试验前的准备与检查工作、试验的程序及方法,最后介绍了试验中应注意的有关问题。 According to “Coal Mine Safety Regulations,” the relevant provisions of all the cage anti-dropping device must be used once a year decoupling test. BF-321-type anti-dropping device is currently used more common shaft cage safety device. This paper introduces the standards of passing tests of anti-dropping device, preparation and inspection work before testing, procedures and methods of testing, and finally introduces some problems that should be paid attention to during testing.