Side wall assembly of railway bathtub open wagon

The invention discloses a side wall assembly of a railway bathtub open wagon, relates to the railway bathtub open wagon and mainly overcomes the defect that the traditional side wall assembly of the railway bathtub open wagon does not contribute to the improvement of the overall corrosion resistance and assembly manufacturability of the wagon body. The side wall assembly comprises an upper side beam, a side upright post and a side wall plate which are connected in a welding way, wherein the upper side beam is positioned at the upper ends of the side upright post and the side wall plate. The side wall assembly is characterized by also comprising a lower side beam, wherein the back face and the opening face of the lower side beam are connected with the lower end of the side upright post and the outer side of the side wall plate in the welding way respectively. The side wall assembly has the advantages of meeting the requirements of overall corrosion resistance and light weight of the wagon body at the same time and improving the assembly manufacturability of the wagon body, along with simple structure and convenience in connection with an underframe assembly.