Brake device of power transmission line deicing robot

The utility model relates to a brake device of a power transmission line deicing robot, and belongs to the technical field of power equipment. The device comprises a rack and a stepping motor, whereina mounting hole is formed in the rack; a moving guide rail is mounted on the mounting hole; hexagonal nuts are installed at the two ends of the movable guide rail. The brake pad base is installed through a movable guide rail. The output end of the stepping motor is connected with a coupler; the coupler is connected with the transmission screw rod; the transmission lead screw is connected with thebrake pad base, a stepping motor fixing base is installed on the stepping motor, the stepping motor fixing base is fixed through four screws, the brake pad is installed in a brake pad groove of the brake pad base, and a rubber gasket is installed below an upper baffle of the rack. According to the utility model, the integral mechanism of the brake pad can be ensured to stably ascend and descend,and instability caused by v