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矿井提升机无论是正常工作，还是发生事故时紧急停车，都要靠盘形制动器来保证。在电气上设置的多种保护，最终要由盘形制动器来安全停车，因此盘形制动器是提升机运行的关键。但也有某些多绳提升机由于在调试时未能正确的测试闸力，或者使用维护中没有真正重视或掌握闸力的测?
Mine hoist whether it is normal work, or emergency stop accident, must rely on disc brakes to ensure. The various protections that are set on the electrical end result in a safe parking by the disc brake, so the disc brake is the key to the operation of the elevator. However, there are also some multi-rope hoist failed to properly test the debugging force, or use the maintenance does not really pay attention to or master the test force?