Elevator pit door opening device

The invention relates to the technical field of elevators, and discloses an elevator pit door opening device which comprises a wall body and an elevator pit landing door, the elevator pit landing door is located in the wall body, an elevator door lock is arranged on the front face of the elevator pit landing door, and a door opening assembly is arranged on the front face of the wall body; the door opening assembly comprises two pulleys, pull wires are attached to the outer surfaces of the two pulleys, and a limiting plate is fixedly installed on the surface of the wall body. According to the elevator pit door opening device, the pull wire is pulled downwards through the pull handle, the pull wire is connected with the action hook, so that the action hook is driven to move upwards, the return spring is compressed, meanwhile, the action hook pokes a lock hook of an elevator door lock upwards, an elevator pit landing door can be opened, and the effect of opening the elevator pit landing door from the interior of