Pulley for wire detection

The utility model relates to a pulley for wire detection. The pulley comprises a housing, a groove wheel, a driving motor and a brake mechanism. Wherein the shell comprises two side plates, a bottom plate and a top plate, the two side plates are arranged at an interval, the bottom plate and the top plate are connected with the two side plates, and an insulating coating is arranged outside the shell; the groove wheel is rotationally arranged between the two side plates of the shell; the driving motor is arranged on the shell, and the driving motor is in driving connection with the groove wheel; and the brake mechanism is arranged in the shell and is used for braking the groove wheel. The pulley for wire detection is driven by the driving motor to move on a wire, manual traction is not needed, and time and labor are saved; the brake mechanism is arranged, so that the tackle can be braked when the tackle moves to a designated position, the tackle and the electric wire are locked, and maintenance operation is fac