Reusable construction site temporary power utilization erection system

The utility model discloses a reusable temporary power utilization erection system on a construction site. The reusable temporary power utilization erection system comprises hanging bars, porcelain bottles, square tubes, fire-fighting hoops and insulating hoses, the square tube is provided with a through hole corresponding to the diameter of the hanging bar, the top of the hanging bar is fixed to a designated position through an expansion bolt, and the bottom of the hanging bar is sleeved with the porcelain insulator and then connected with the square tube to form a temporary electric equipment carrier. The hanging bar penetrates through a through hole in the square tube and is fastened at the vertical connecting position of the square tube and the hanging bar through the upper fixing piece and the lower fixing piece, the portion, protruding out of the lower fixing piece, of the hanging bar forms a reserved connector, and the reserved connector is connected with a fire-fighting hoop through an insulating hose