Charged lead disconnection and connection arc extinction pulley

The invention belongs to a special tool for transmission and transformation equipment, that is, a charged lead disconnection and connection arc extinction pulley for cooperating an arc extinction ropeto eliminate electric arcs during charged lead disconnection and connection. The charged lead disconnection and connection arc extinction pulley comprises a wire fixture connected with a wire, a pulley truck is connected below the wire fixture, wherein the wire fixture is a rectangular frame with a lower opening, an open front end frame is an arc-shaped hook connected with the wire, another halfof arc-shaped block corresponding to the arc-shaped hook is arranged in the frame, and the arc-shaped block is movably connected with the frame through a rear lead screw; and a connection point of thewire fixture and the pulley truck adopts a universal joint structure. The aluminum alloy pulley truck is combined with the wire fixture, and the pulley truck is firmly clamped on the wire by using the wire fixture by means of