The utility model provides a safety belt linkage is used in transformer maintenance. It includes one or two pole setting and wire rope, the pole setting adopt glass fiber reinforced plastic material to make, it comprises flange, insulator spindle and rotatable rings, wherein the edge of flange is formed with a plurality of screws, utilizes mode that the screw runs through the screw to fix the flange and covers at transformer box, the insulator spindle lower extreme is fixed at flange surface middle part, rotatable rings are fixed in the insulator spindle upper end, the wire rope both ends are fixed in the upper end of the upper end of two pole settings or a pole setting respectively and are installed between the rotatable rings on the transformer annex. The utility model discloses the effect: the safety belt hangs the number of times between reducible duty cycle, makes things convenient for removal work, consequently can improve the security of maintenance work, reduces personal safety hidden danger. The low condition of hanging high usefulness of safety belt can be avoided, the site security operational provision is complyd with. Can practice thrift the expense that the strick precaution work that is used for in a large number keeping the safety in production was paid to potential safety hazard in the greatly reduced work.