Ground wire protection device

An embodiment of the utility model discloses a ground wire protection device which comprises a sleeve sleeved outside a ground wire, a power assembly, a power device and a control module, the power assembly comprises a power pulley and a brake assembly, and the control module is electrically connected with the power device and used for controlling the power device so that the power assembly can drive the sleeve to slide along the ground wire. The sleeve sleeves the outer side of the ground wire, so that a protection effect can be effectively achieved, and contact abrasion between the ground wire and surrounding cables is prevented. The control module controls the driving device to drive the sleeve to move on the ground wire, the sleeve can be moved to a target position according to actual needs, or the position can be changed at will, manual installation is not needed, time and labor are saved, and potential safety hazards of operators are avoided. In addition, the sleeve can be locked at a preset position th