Overhead line maintenance and installation auxiliary tool

The utility model belongs to the technical field of overhead line maintenance, and discloses an overhead line maintenance and installation auxiliary tool which comprises a telegraph pole, an overhead line installation frame is arranged on the right side of the telegraph pole, a porcelain insulator is arranged above the overhead line installation frame, a U-shaped fastener is connected to the telegraph pole in a clamped mode, and the U-shaped fastener is connected with the telegraph pole in a clamped mode. The right side of the U-shaped fastener is inserted into the lower portion of the interior of the overhead line mounting frame, the right side of the U-shaped fastener is in threaded connection with a nut, the nut is extruded on the overhead line mounting frame, a sliding groove is formed in the right wall of the upper portion of the overhead line mounting frame, a sliding block is movably clamped in the sliding groove, and a limiting plate is fixedly connected to the right wall of the sliding block. And the