Insulator replacement tool

The utility model discloses an insulator replacement tool, which belongs to the overhead line mounting tool. The insulation replacement tool comprises a cross bar, one end of the cross bar is fixedly provided with a hanging hook, the other end of the cross bar is provided with a hanging rod, the depth of the groove of the hanging hook is less than the width of the angle bar of a cross arm; the width of the groove of the hanging hook is more than the thickness of the angle bar of the cross arm, a limit block is fixedly arranged on the hanging ring and below the cross bar, and the upper end of the hanging ring and the cross bar are both provided with a nut. When the utility model is used, the hanging hook can be clamped on the angle bar of the cross arm and can not fall off the cross arm, thereby making the operation secure. Moreover, a pulley I is suspended in the middle of the cross bar and is connected with a transmission rope, a pulley II is suspended on the hanging ring and is connected with a hoist rope,