Funnel spine on railway aluminum alloy freight train

The utility model provides a funnel spine on railway aluminum alloy freight train, the last funnel spine of is whole to be formed by the aluminium alloy ex -trusions concatenation, according to the shape and the requirement of funnel spine on the automobile body, adopt different aluminium alloy ex -trusions, weld aluminium alloy ex -trusions get up funnel spine on the formation monoblock aluminum alloy each other through friction stir welding. Friction stir welding is with the aluminium alloy ex -trusions that constitutes funnel spine on the railway aluminum alloy hopper car according to series arrangement to through friction stir welding with each aluminium alloy ex -trusions each other welded connection together form funnel spine on the massive railway aluminum alloy hopper car. The utility model discloses an aluminium alloy ex -trusions forms the wallboard, has stable in structure, and intensity is high, characteristics that the appearance is pleasing to the eye, mutually than before with the board riveting on the frame, the bulk strength will improve a lot, the appearance very beautifully in addition.