Power transmission line cleaning device

The utility model utility provides a power transmission line cleaning device which comprises the components of a rack which is positioned above a power transmission line and is provided with a cleaning device; the cleaning device comprises a hydraulic cylinder, a piston rod of the hydraulic cylinder is located in a sleeve, one end of the sleeve is fixedly connected with the rack, two oppositely-arranged connecting rods are hinged to the end of the piston rod, and a spring is fixedly connected between the two connecting rods. The ends, away from the piston rod, of the two connecting rods are fixedly connected with a left half cleaning cylinder and a right half cleaning cylinder respectively, bristles are arranged on the inner wall of the left half cleaning cylinder and the inner wall of the right half cleaning cylinder, and the left half cleaning cylinder and the right half cleaning cylinder are closed so that the bristles can make contact with a power transmission line. By adopting the device, the operation s