Power distribution network single-phase earth fault rapid searching device

The utility model discloses a power distribution network single-phase earth fault rapid searching device comprising a box body, a cover body and a host computer, the cover body is hinged with the boxbody, the host computer is installed in the box body, two sides of the upper surface of the box body are provided with sliding grooves, sliding blocks are installed in the sliding grooves, and the sliding blocks are movably connected with movable supporting rods. The other end of the movable supporting rod is movably connected with the lower surface of the cover body, an inflation air bag is arranged in the sliding groove, one end of the inflation air bag is fixedly connected with the sliding block, a buffer sponge is annularly arranged on the inner wall of the box body, and a buffer air bag is fixedly installed on the surface of the buffer sponge. By arranging the inflatable air bag and the air cavity and connecting the inflatable air bag and the air cavity with the buffer air bag, when the cover body is closed,