The utility model discloses a fixing sleeve for insulated wire barker, including cylindric base, be located the sleeve on base upper portion, be equipped with U type recess on the wall of telescopic both sides, rather than being equipped with a waist -shaped slot on the wall of horizontal axis looks vertically both sides respectively, and install the waist type nut of a protrusion in the outer wall, the fix with screw is passed through at the both ends of waist type nut, open at the middle part has a screw hole, it is equipped with a bolt to pass the screw hole on every nut, the other end of bolt is equipped with inlays preforming as an organic whole, the middle part of base is equipped with a cylindrical boss, be equipped with square well kenozooecium in the boss, it has two relative apertures to open on the platform wall. The utility model discloses simple structure, the operation of being convenient for, labour saving and time saving, it is safe high -efficient, be applicable to the insulated wire barker of the mechanical spanner of electric spanner or other, can accomplish the distribution insulated wire's in great line footpath the operation of skinning succinctly high -efficient, and can show the operating efficiency that increases the operation personnel.