The utility model discloses a cable deicing device belongs to electric power construction device field for cable ice removing, wherein the motor passes through speed change gear and is connected with the transmission shaft, and the transmission shaft is installed in the power frame, and the power frame is connected with frame construction, is equipped with bevel gear on the transmission shaft, and bevel gear is connected with the final drive wheel, the fixed axle is sheathe in and is equipped with the telescopic link that passes the final drive wheel, and the telescopic link is connected with left adjusting device and right adjusting device respectively, a left side adjusting device and a left side press from both sides wheel pole swing joint, are equipped with a left side on the clamp wheel pole of a left side and press from both sides the wheel, the right side adjusting device and the right side press from both sides wheel pole swing joint, install the right side on the clamp wheel pole of the right side and press from both sides the wheel, be equipped with in the recess of final drive wheel with the bevel gear complex teeth of a cogwheel. In view of above -mentioned technical scheme, the utility model discloses can realize the deicing work of high -pressure overhead wire surface covering ice sheet, degree of automation is high, the deicing is effectual, and the risk that can avoid operating personnel manual work to bring reduces the danger coefficient.