Insulating sheath live-line installation tool

The invention discloses an insulating sheath live-line installation tool, and the tool comprises a sheath opening and closing mechanism which is connected with a mechanical rotating arm and drives the mechanical rotating arm to carry out the opening and closing operation; the insulating sheath is attached to the interior of the mechanical rotating arm, and the insulating sheath is opened and closed along with the mechanical rotating arm; the hinge mechanism is connected with the sheath separating and combining mechanism through a connecting part, the connecting part is a universal connecting structure and can enable the sheath separating and combining mechanism to rotate in a universal mode in the horizontal direction, and the hinge mechanism achieves the longitudinal swing action of the sheath separating and combining mechanism. The mounting tool comprises a connecting part, a hinge mechanism, a mechanical rotating arm, a sheath separating and combining mechanism and the like. The hinge mechanism adopts a mu