The utility model relates to a distribution lines overhauls auxiliary assembly, and specifically speaking is an isolator insulated porcelain bottles clamp tool. Rotary -type isolator static contact disintegrates when overhauing, and rotatory vase is in the unstable state, very easily heels and damages. The use is tied up to restrict to tie up and is received the human factor to influence and waste time and energy. The utility model discloses technical scheme is equipped with a plurality of concave lacking including two cardboards bodies, the connecting piece of relative setting, the side reason of the cardboard body, each mutual combine of concave scarce difference on two cardboards are personally experienced sth. Part of the body forms a plurality ofly and the pincerlike bayonet socket of insulator vase complex, two cardboard bodies are through the dismantled and assembled connection fastening of connecting piece. The utility model discloses simple structure, convenient to carry, fixed firm, damage and the pillar vase of having avoided rotatory vase to rock the transmission shaft each other bump with rotatory vase, have stopped the incident because of the improper initiation of artifical ligature operation, reduced the construction degree of difficulty, effectively improved work efficiency and guaranteed the safety of maintainer and equipment.