Pulley used for overhaul of overhead power transmission lines

The utility model relates to a pulley used for overhaul of overhead power transmission lines. The pulley used for overhaul of overhead power transmission lines is characterized by comprising a frame, wherein the upper part of the frame is provided with a suspension sheave with fixed-axis rotation; the frame is provided with a lead-in port below the side of the suspension sheave, the lower part of the frame is provided with a ladder head traction sheave with coaxial fixed-axis rotation and a back-up protection rope sheave, and the top part of the frame is articulated with a control rod; the lower end of the control rod is provided with a damping rope buffer; and the structure of the damping rope buffer comprises a support fixedly connected with the lower end of the control rod, the support is internally provided with a fixed clamp block and a movable clamp block relatively arranged, and a screw rod fixedly connected with the movable clamp block is connected with a nut of the support. The pulley used for overhaul of overhead power transmission lines has the advantages of simple structure, simple and convenient operation, safe and reliable use, staff and time saving, available electrified work, high operating efficiency and the like.