Lifting device for maintaining wiring terminals on power distribution station outdoor wall

The invention provides a lifting device for maintaining wiring terminals on a power distribution station outdoor wall. The lifting device is characterized in that two vertical screws and two vertical slideways are arranged on the power distribution station outdoor wall; the two screws are driven by a motor through a rotary shaft; a supporting plate capable of vertically moving along the screws is arranged on the two screws and the two slideways; fences with a plurality of hanging holes are arranged on the two sides of the supporting plate; an outer fence capable of rotating along the supporting plate is arranged on one side, opposite to the wall, of the supporting plate; the two sides of the outer fence are each provided with a hook; the two ends of one side, opposite to the wall, of the supporting plate are each provided with a wall hook, and the wall hooks can be hung on wall hanging rings; and the two ends of the supporting plate are each provided with a drawing type outer supporting plate. The lifting dev