Cleaning device for elevator sill

The utility model discloses a cleaning device for an elevator sill. The cleaning device comprises a cleaning device body, a motor is arranged in the cleaning device body, the output end of the motor is rotationally connected with a first rotating column, the first rotating column is fixedly connected with a rotating gear, a second rotating column is rotationally connected in the cleaning device body, and the outer side wall of the second rotating column is fixedly connected with an end face gear. The bottom of the cleaning device body is fixedly connected with a conveying lifting box, and a lifting plate for lifting is arranged in the conveying lifting box. The movable block is arranged in the cleaning device body, and the cleaning brush cleans an elevator sill through movement of the movable block; dust of the elevator sill enters the conveying lifting box under the action of the cleaning brush, the lifting plate lifts the dust and garbage by pulling the pulling rod, the dust and the garbage enter the collec