The utility model relates to an electric power engineering instrument, specifically speaking are lockpin formula load transfer fastener. Including connecing drainage line board and hand (hold), be equipped with drainage line fixed orifices in the outer end that connects drainage line board, connect and be equipped with the convex splint of deciding between drainage line board and the hand (hold), it has arc rotation splint with linking department that connects drainage line board is articulated to decide splint in arc, and linking department of deciding splint and hand (hold) in arc is equipped with bellied round pin axle bed, the convex free end that rotates splint is equipped with the hangers, all is provided with the round pin shaft hole on hangers and the round pin axle bed, and the cartridge has the round pin axle in the round pin shaft hole. This shifts fastener simple structure, the dismantlement is convenient fast, the cost of manufacture is low, and both easy to operate also was difficult to by the wire of centre gripping, had reduced the live working time simultaneously.