Clamp structure of three-phase five-column mining transformer

The utility model relates to a clamping piece for fixing an iron core of a mining large-capacity transformer, in particular to a three-phase five-column mining transformer clamping piece structure which comprises two upper clamping pieces and two lower clamping pieces, the two upper clamping pieces and the two lower clamping pieces need to be used for fixing the iron core of the mining large-capacity transformer, and the two upper clamping pieces and the two lower clamping pieces are connected to form a frame-shaped structure to fix the iron core of the transformer. Two ends of a vertical web of each upper clamping piece are provided with screw holes, two upper clamping pieces are connected through a screw, protruding portions of the upper clamping pieces are connected through an iron pull belt, two ends of a vertical web of each lower clamping piece are provided with screw holes, two lower clamping pieces are connected through a screw, protruding portions of the lower clamping pieces are connected through an