Glks-C04 Elevator Speed Limiter Whole Sale Governor Speed Control Regulator
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Electronic Elevator Lift Speed Governor Limiter Regulator Product Introduction...
This speed limiter is a one-way ( two ways) organic room speed limiter, and passenger and freight elevators are applicable. When the speed is overspeed, the down brake is used in conjunction with the normal down safety gear to trigger the safety gear to stop the car and play the role of downstream overspeed protection.
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An overspeed governor is an elevator device which act as a stop device in case the elevator runs beyond the rated speed. This device must be installed in the traction elevators and roped hydraulic elevators.
Elevator speed limiter and Tension Device is one of the safety control unit of elevator safety protection system. We have kinds of series of speed limiter with tension device for option. can be applied to different arrangement of elevator.
When the overspeed is overspeed, the power supply is cut off by cutting off the overspeed switch, and the car is stopped. Play as an overspeed protection.
Typical governor designs include a sheave coupled to a rope attached to the elevator car, whereby the sheave moves in response to rope movement indicative of elevator car movement. The sheave drives a shaft or spindle coupled to an actuation mechanism. The actuation mechanism may be a set of flyballs or flyweights adapted to extend radially when a predetermined level of centrifugal force is applied to them. Radial extension of the flyballs or flyweights causes them to contact an overspeed switch When the overspeed switch is actuated, power to the motor and motor brake is cut, thereby causing the motor brake to apply a braking force on the motor shaft. If the elevator car continues to increase in speed, a tripping assembly is triggered by the fly weights. The tripping assembly actuates a mechanism to brake the governor rope. Braking of the governor rope causes the Safeties to be engaged and thereby stop the car.
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