Automatic line hanging device for power transmission line

An automatic line hanging device for a power transmission line belongs to the technical field of power equipment. The utility model aims to provide the automatic line hanging device for the power transmission line, which can be matched with an unmanned aerial vehicle to hang a rope ladder in a safe area without influencing the line. A U-shaped mounting plate is fixedly mounted on a fixing plate, a first change gear and a second change gear are rotatably mounted on the U-shaped mounting plate, the first change gear is positioned below the second change gear, a carrying ring is fixedly mounted on one side of the U-shaped mounting plate, a locking ring is fixedly mounted at the bottom of the fixing plate, and a connecting block is fixedly mounted at the top of the fixing plate. And three sliding grooves are uniformly formed in the connecting block. According to the rope ladder, the service life of the insulating rope is prolonged, the integrity of the rope ladder is protected, and the mounting stability of the f