Magnetic clutch device of mine rope guide safety catcher

A magnetic clutch device of a mine rope guide safety catcher is characterized by comprising a magnetic portion and a measurement and control system. The magnetic portion consists of a permanent magnetic cover, a permanent magnet, a direct-current transmission motor and a coupler, the measurement and control system consists of a numerical control box, a direct-current variable speed motor, a speed sensor, a position sensor and a positioning sensor, and the numerical control box consists of a power supply, a programmable controller, a rely and a data radio. The magnetic clutch device of a mine rope guide safety catcher can avoid accidents of cage crashing normally and can always prevent accidents of cage crashing when a winch is out of control and a cage is in over speed running, is simple in structure and fast in action, can realize instantaneous brake when the cage is in over-speed running, and then can recover to the original state automatically so as to continue to be operated after finishing handling of ac