Telescopic maintenance device for electric power engineering

The utility model relates to the technical field of electric power engineering, in particular to a telescopic maintenance device for electric power engineering, which comprises a bottom plate and a lifting rod, rotating rods are hinged to corners of the surface of the bottom plate through hinge seats, supporting columns are fixed on one sides, far away from the hinge seats, of the rotating rods, and adjusting columns are arranged in the supporting columns. Anti-skid ground feet are fixed to the centers of the ends, away from the supporting columns, of the adjusting columns, a lifting rod is hinged to the upper portion of the bottom plate through a hinge shaft, a supporting plate is arranged above the bottom plate, a button switch is installed at the center of the surface of the bottom plate, an air cylinder is installed in the bottom plate below the lifting rod, and a fence is fixed to the center of the upper portion of the supporting plate. According to the telescopic maintenance device, the function that th