Auxiliary distance measuring equipment for transformer substation cable

The utility model discloses an auxiliary distance measuring device for a transformer station cable. The auxiliary distance measuring device comprises a main housing. The supporting rod is fixedly connected to the upper wall of the main housing, and a handle is fixedly connected to the end, away from the main housing, of the supporting rod. When the ranging wheel is used for ranging, the two end faces of the ranging wheel can be perpendicular to the ground all the time through the straightening assembly composed of the straightening wheel and the caterpillar band, accurate wiring is guaranteed, ranging is more accurate, the height of the straightening assembly can be conveniently adjusted through the adjusting structure so that the straightening assembly can be flush with the lower wall of the ranging wheel, and the ranging wheel can be conveniently adjusted. The brake switch controls on-off of the magnetic powder, and the magnetic powder is solidified into a whole after generating magnetism and is matched wit