Elevator pit overhauls protection device

The utility model relates to an elevator safety sets up technical field, especially relates to an elevator pit overhauls protection device. Stop device, setting including setting up in elevator well bottom are in the device to limit speed of stop device top. Device to limit speed including set up the electromagnetism buffering track of elevator well lateral wall, set up the car lateral wall with electromagnetism buffering track sliding connection's iron slider, controller, the controller with electromagnetism buffering track electricity is connected. Device to limit speed sets up the stop device top is when the car accident is fallen downwards electromagnetism buffering track is right the suction of iron slider slows down the speed of falling. The setting is in the well bottom stop device prevents the car to fall in the inspection pit, causes the injury to the maintainer.