Railway wagon for transporting trucks and method for loading and unloading truck

A railway wagon for transporting trucks, comprising:

• a running plate device mounted relatively at a middle portion between two side wall assemblies of the railway wagon,
• wherein the running plate device comprises a middle running plate device, two ends of the middle running plate device are each provided with an end running plate device, and an outer end of the end running plate device is provided with a bridge plate device;
• the middle running plate device comprises a plurality of middle running plate assemblies arranged side by side, each of the middle running plate assemblies comprises a first running plate rotatably connected with one of said side wall assemblies, and at least one first support plate rotatably connected with the side wall assembly is arranged below the first running plate;
• the end running plate device comprises a plurality of end running plate assemblies arranged side by side, each of the end running plate assemblies comprises a second running plate rotatably connected with the side wall assembly, and at least one second support plate rotatably connected with the side wall assembly is arranged below the second running plate;
• and
• the bridge plate device comprises a bridge plate, one end of the bridge plate is connected with the second running plate via a connection plate, the other end of the bridge plate is rotatably connected with an underframe assembly, and a bottom portion of the end of the bridge plate close to the connection plate is provided with a foldable support mechanism.