Auxiliary mounting bracket applied to storage battery fixing pressing plate

The utility model discloses an auxiliary mounting bracket applied to a storage battery fixing pressure plate, which comprises a first fixing frame and a second fixing frame, the first fixing frame and the second fixing frame have the same structure, and the first fixing frame and the second fixing frame are both in threaded connection with an adjusting bolt through fixing holes. Auxiliary supports are symmetrically arranged on the two sides of the bottom of the first fixing frame, and each auxiliary support comprises a mounting frame and a plurality of connecting frames matched in an inserted mode. The auxiliary supports are arranged at the two ends of the first fixing frame, each auxiliary support is formed by splicing a plurality of connecting frames, the heights of the auxiliary supports can be adjusted according to storage batteries of different sizes, the auxiliary supports are installed at the bottom of the first fixing frame in a sliding mode through the sliding blocks, and the distance between the two