The invention relates to a variable cross-section side wall for a freight wagon. The variable cross-section side wall is characterized by comprising a side wall framework, a plurality of side door posts, a plurality of side posts, a plurality of first side wallboards and a plurality of second side wallboards, wherein the side wall framework comprises two end posts, and an upper side beam and a lower side beam which are fixed together with the two end posts; corresponding to one side of the installation position of a sliding door and the moving position of the sliding door, a segment of upper auxiliary beam is welded on the bottom surface of the upper side beam; a segment of lower auxiliary beam is welded on the top surface of the lower side beam; the inner surfaces of the upper and lower auxiliary beams are flush with inner surfaces of the upper side beam and the lower side beam; the side door posts are fixed between the upper auxiliary beam and the lower auxiliary beam at intervals; the side posts are fixed between the upper side beam and the lower side beam at intervals; the first side wallboards are fixed on the outer sides of the side door posts; the second side boards are fixed on the outer side of the side posts. According to the variable cross-section side wall, the first side wallboards are fixed on the outer sides of the side door posts, and the second side boards are fixed on the outer side of the rest of side posts, so that an inward indent is formed in a side door relatively to the first side wallboards and the second side wallboards which are positioned at one side of the side door, the sliding door can slide freely in the indent, and the width of a vehicle body is not influenced.
Variable cross-section side wall for rail wagon
2015-04-08
Patent
Electronic Resource
English
IPC: | B61D Einzelheiten oder Arten des Wagenaufbaus von Eisenbahnfahrzeugen , BODY DETAILS OR KINDS OF RAILWAY VEHICLES |