The invention relates to a side wall upper boundary beam structure of a railway vehicle. The side wall upper boundary beam structure of the railway vehicle comprises a long-strip-shaped upper boundary beam with a cap-shaped cross section and an inward opening. Reinforcing rib plates are fixedly welded into the upper boundary beam at intervals. Each reinforcing rib plate is provided with three supporting faces which abut against the inner side of the back of the upper boundary beam, the upper end of the upper boundary beam and the lower end of the upper boundary beam respectively. An inwards-sunken part is pressed to the upper end of the back of the upper boundary beam and used for being in lap joint with the extending edge of the lower end of a roof bent beam. The side face of the roof bent beam and the side faces of side wall stand columns are aligned with the reinforcing rib plates, and a closed ring structure is formed through combination with a bottom frame cross beam. The upper boundary beam is pressed by grasshopper leg parts on connectors of side walls and a roof so that side wall plates and a roof plate can be in smooth transition, and the requirements of a high-speed vehicle for a flat outer plate, a good streamline, small resistance and the like are met. Besides, reinforcing ribs in the upper boundary beam are aligned with the roof bent beam and the side wall stand columns, and the closed ring structure is formed through combination with the bottom frame cross beam. The strength and the rigidity of a whole vehicle body are further improved.
Side wall upper boundary beam structure of railway vehicle
2016-02-24
Patent
Electronic Resource
English
IPC: | B61D Einzelheiten oder Arten des Wagenaufbaus von Eisenbahnfahrzeugen , BODY DETAILS OR KINDS OF RAILWAY VEHICLES |