Outdoor solar charging pile

The invention relates to a field solar charging pile which comprises a supporting pipe and a solar power generation assembly and further comprises a plurality of sets of charging devices, a bearing ring is arranged on the lower portion of the supporting pipe, a plurality of containing cavities are formed in the outer ring face of the bearing ring, each set of charging device comprises a lifting chair, a plunger type cylinder and a socket, and the lifting chairs are annularly arrayed outside the supporting pipe; the multiple plunger cylinders are all located in the supporting pipe, the plunger cylinders are communicated with the lower end of the lifting chair through hydraulic pipelines, the piston ends of the plunger cylinders face upwards and are connected with an insulating movable plate, the upper surface of the insulating movable plate is connected with two spaced conductive elastic pieces, and an insulating fixed plate is arranged on the inner wall of the supporting pipe. The lower surface of each insula