Novel power tong expansion bracket device

The utility model relates to a novel expansion bracket device for power tongs. According to the technical scheme, the telescopic device comprises a first-stage telescopic frame, a second-stage telescopic frame, a third-stage telescopic frame and a telescopic oil cylinder, the bottom of the first-stage telescopic frame is welded to a small repair vehicle base in a matched mode through a connecting beam, and the second-stage telescopic frame and the telescopic oil cylinder are installed on the top of the first-stage telescopic frame; the second-stage telescopic frame is driven by a telescopic oil cylinder to achieve the stretching action of the second-stage telescopic frame, and the front end of the second-stage telescopic frame is movably connected with a third-stage telescopic frame. Compared with the prior art, the novel power tong telescopic frame device has the advantages of being simple in structure, easy to achieve, small in operation difficulty, capable of effectively adapting to limitation of wellhead