High strength longeron upper portion

The utility model discloses a high strength longeron upper portion, including longeron upper portion body with strengthen the module, wherein longeron upper portion body include the sheet metal, withgo up curb plate that the sheet metal connect and with the lower sheet metal that the curb plate connect is gone up sheet metal, curb plate and is equipped with a plurality of decompression recesses,assembly hole and shirt rim on the sheet metal down, can strengthen longeron upper portion decompression energy -absorbing, anti deformation effect, strengthen the module and be S type or z shape strcture, can place at last sheet metal, curb plate under and on the sheet metal, further promote the structural strength on longeron upper portion. 本实用新型公开了种高强度纵梁上部，包括纵梁上部本体和加强模块，其中纵梁上部本体包括上薄板、与所述上薄板连接接的侧板以及与所述侧板连接接的下薄板，上薄板、侧板和下薄板上设有多个减压凹槽、装配圆孔和裙边，可增强纵梁上部减压吸能、抗形变作用；所述加强模块为S型或Z型结构，可放置在上薄板、侧板和下薄板上，进步提升纵梁上部的结构强度。