How can the elevator speed limiter and the safety tongs be linked together?
Elevator speed limiter, safety gear test is an important test of elevator acceptance inspection and regular inspection shall be required, the car uniform layout of the corresponding load in the engine room human action speed limiter, control elevator to flat layer or the maintenance of speed running down, the speed limiter of electric switch action. Then, short speed limiter and safety clamp, electrical switch, brake the speed limiter steel rope, then lift the safety tongs device, clamp the guide rail, and stop the car.
Generally we are doing is simply: human action speed limiter, short circuit limiter and a safety clamp electrical switch, speed down maintenance, governor rope will lift a car safety, stopped the car (if open wire rope is likely to slip or what the frequency converter protection), OK. Qualified.