Elevator Over Speed Governor is speed limiter, elevator is one of security control in parts of the security system. When the lift is in operation for whatever reason the car speeding, even the danger of falling, and all other safety devices does not work under, speed limiter and safety gear linkage action to occur, stop the elevator car.
Is elevator safety protection device . ready to monitor and control the car’s speed, when hyper-velocity occurs, that is when the rated speed of the elevator 115%, can send signals produced by mechanical action to cut off the power supply circuit, the tractor brake. If the elevators still cannot brake is mounted in the bottom of the car’s safety gear action to force the car to stop. Speed limiter is issued, safety gear is a performer. Interaction of both appeared the safety elevator said.
overspeed safety gear system is an essential safety device for elevators, when the elevator speeding, running out of control or the suspension snapped, overspeed safety gear quickly stopped the elevator system on the guide rail, and keep the rest, so as to avoid injury and equipment damage.