Railway wagon convenient to assemble and disassemble

The invention discloses a railway wagon convenient to assemble and disassemble and mainly belongs to the field of cargo transportation. The railway wagon comprises a cargo compartment; an opening andclosing door is arranged at one end of the cargo compartment; a power box is arranged on one side of the outside of the cargo compartment; a driven gear is rotationally arranged on the inner wall of one side of the power box; a first connecting shaft is connected between the driven gear and the inner wall of the other side of the power box; scrolls are arranged at the positions, close to the two ends, of the first connecting shaft; a roller shutter is wound around the scrolls; a driving gear is meshed with the bottom of the driven gear; a motor is connected to one side of the driving gear; mounting plates are arranged at the tops of the two sides of the cargo compartment; sliding grooves are formed in the opposite sides of the mounting plates; and the other end of the roller shutter penetrates through the power bo