Bearing frame

The utility model relates to the technical field of goods shelves, in particular to a bearing frame which comprises at least one bearing unit, each bearing unit comprises a frame body and two sliding rails, the sliding rails are fixedly connected to the frame bodies, the upper surfaces of the sliding rails are smooth and are as high as the upper surfaces of guide rails of a transfer trolley, one ends of the sliding rails are provided with limiting plates, and the limiting plates are arranged on the sliding rails. The other end of the frame body is provided with a butt joint block which can be in lap joint with the front end of a guide rail on the transfer trolley, and a limiting block is further arranged on the side, provided with the butt joint block, of the frame body and can be matched with a guide positioning groove in the transfer trolley. When the transfer trolley and a bracket on the bearing frame need to be mutually carried, the guide positioning grooves in the transfer trolley are clamped with the li