Transition bridge carriage and transfer trolley

The utility model relates to a transition bridge carriage and a transfer trolley, the transition bridge carriage comprises rectangular tubes on two sides, a plurality of fixed shafts fixed between the two rectangular tubes and rollers rotatably arranged on the fixed shafts, and the outer sides of the front ends of the rectangular tubes are provided with hanging holes. When the transition bridge sliding frame is used, the transition bridge sliding frame is in lap joint with the tail of a transfer trolley, the other end of the transition bridge sliding frame abuts against the ground or a cabin door at the tail of an airplane, box goods are loaded and unloaded in a sliding mode along the transition bridge sliding frame, a hanging hole is formed in the outer side of the front end of the rectangular pipe, and the hanging hole of the rectangular pipe is hooked to the tail of the transfer trolley when used. The front end of the transition bridge carriage is prevented from falling off from a vehicle body to cause dan