The invention discloses an elevator safety protection device which comprises a pedal device and a controller, wherein the pedal device comprises a pedal, a proximity switch, a sensor, an induction head, compression springs and an electromagnetic bolt, wherein the pedal is mounted on a floor in front of an elevator gate; a groove is formed in the floor; the pedal is arranged in the groove; the compression springs are arranged between the pedal and the bottom of the groove; a limiting rubber block is arranged at the bottom of the groove; the proximity switch is arranged in the groove; a lock plunger hole is formed in the lower end face of an outer elevator door; the sensor is mounted on a cage channel; the induction head is arranged on an elevator cage; the controller is connected with the proximity switch, the sensor, the electromagnetic bolt and a control system of an elevator through control wires. During use, when the elevator cage does not arrive at the floor, and a person stands on the pedal, and the controller controls the electromagnetic bolt to lock the outer elevator door, so that the outer elevator door cannot be opened, and the person can be prevented from falling into the elevator cage; when the elevator cage arrives at the position of the outer elevator door on the floor, the controller controls a lock plunger of the electromagnetic bolt to be unlocked, so that the outer elevator door can be opened.
Elevator safety protection device
2015-04-08
Patent
Elektronische Ressource
Englisch
IPC: | B66B Aufzüge , ELEVATORS |