The embodiment of the invention provides a door frame structure, a vehicle body and a railway vehicle, the door frame structure comprises at least one door frame profile, a square door frame shape is defined by the door frame profiles, and the door frame profiles are made through plastic processing. According to the door frame integrally formed by a single profile or a door frame structure formed by splicing a small number of door frame profiles, installation procedures are reduced, and strength reduction caused by stress concentration caused by installation procedures such as welding is reduced; the whole structure is simple and reliable, the number of parts is small, the installation difficulty is low, modular assembly of the vehicle body is facilitated, and the manufacturability and production efficiency of vehicle body assembly are improved.
本申请实施例提供一种门框结构、车体及轨道车辆,其中,门框结构包括至少一件门框型材,门框型材围合而成“口”字形门框形状,所述门框型材经塑性加工制成。这种采用单一型材一体成型的门框或少数几件门框型材拼接而成的门框结构,减少了安装工序,减少了因为焊接等安装工序造成的应力集中而带来的强度下降;整体上结构简单可靠、零部件数目少、安装难度低,有益于车体的模块化组装,提高车身组装的工艺性和生产效率。
Door frame structure, vehicle body and railway vehicle
门框结构、车体及轨道车辆
2022-11-08
Patent
Electronic Resource
Chinese
IPC: | B61D Einzelheiten oder Arten des Wagenaufbaus von Eisenbahnfahrzeugen , BODY DETAILS OR KINDS OF RAILWAY VEHICLES |
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