Special pi-shaped clamp for live-line replacement of single-section long rod-shaped porcelain insulator

The utility model discloses a special pi-shaped clamp for live-line replacement of a single-section long rod-shaped porcelain insulator. The special pi-shaped clamp comprises a first installing board clamp, a second installing board clamp, a first pulley hanger, a second pulley hanger and two parallel traction mechanisms identical in structure, wherein each traction mechanism comprises a first drawing plate, a hydraulic leading screw, a mechanical leading screw and a second drawing plate. The telescoping end of the hydraulic leading screw is fixedly connected with the first drawing plate through the mechanical leading screw, and the second drawing plate is fixedly connected to the other end of the hydraulic leading screw. The first installing board clamp and the first pulley hanger cross and are fixedly installed between the two first drawing plates, and the second installing board clamp and the second pulley hanger cross and are fixedly installed between the two second drawing plates. The first pulley hanger and the second pulley hanger respectively extends to the upper portion of the first and second drawing plates. The special pi-shaped clamp is simple in structure and convenient for installation and saves time and labor.