Power transmission wire cleaning device and power transmission line comprising same

The utility model relates to the field of power transmission line foreign matter removing devices. The utility model relates to a transmission line, in particular to a transmission line cleaning device and a transmission line. The power transmission wire cleaning device comprises an outer cylinder of which the two ends shield an inner cavity through baffles, a cutting knife is arranged at the advancing end of the outer cylinder; an inner barrel which is rotationally connected to the two baffles and is in axial stop fit with the two baffles is arranged in an inner cavity of the outer barrel; arotation driving mechanism for driving the inner cylinder to rotate is arranged on the outer cylinder; a plurality of balls which roll in the extending direction of the corresponding spiral grooves inthe wire and support the inner wall of the outer cylinder at the same time are installed on the inner cylinder in a penetrating mode, and the balls drive the baffles to move forwards while rolling, so that the cutters on the