Kit pressing bearing frame

The utility model relates to a kit pressing bearing frame. The kit pressing bearing frame comprises a mounting frame, a contraction box movably connected with the mounting frame and a clamping and fixing assembly fixedly connected with the top end of the contraction box. The mounting frame comprises a bottom plate, a plurality of isolation plates which are fixedly connected with the bottom plate and are arranged at intervals, and a plurality of mounting plates of which the two ends are fixedly connected with the adjacent isolation plates respectively; the telescopic box comprises a box bottom panel, long side plates fixedly connected to the two opposite sides of the box bottom panel, and short side plates with the two ends fixedly connected with the long side plates respectively. A pressing spring is fixedly connected between the bottom plate and the box bottom panel, the plate face of the isolation plate abuts against the plate face of the long side plate, a gap exists between the mounting plate and the shor