Skid-mounted box type transformer substation

The utility model discloses a skid-mounted box-type transformer substation, which comprises a transformer substation main box body, two transformer substation auxiliary box bodies which are oppositely arranged are arranged in the transformer substation main box body, and the transformer substation main box body and the transformer substation auxiliary box bodies are respectively of a frame-type structure and are respectively composed of a frame and a covering part. Through holes are formed in the two sides of the transformer substation main box body in the length direction respectively. Opposite inner ends of the two substation auxiliary box bodies are provided with openings, and accommodating spaces are arranged in the substation auxiliary box bodies. Supporting pieces are arranged at the bottoms of the ends, away from the openings, of the substation auxiliary box bodies, at least two supporting pieces are arranged at the bottom of each substation auxiliary box body, each supporting piece comprises a screw c