Railway aluminum alloy freight train headwall

The utility model provides a railway aluminum alloy freight train headwall, the headwall is whole to be formed by the aluminium alloy ex -trusions concatenation, according to the shape and the requirement of automobile body headwall, adopt different aluminium alloy ex -trusions, weld aluminium alloy ex -trusions get up formation monoblock aluminum alloy headwall each other through friction stir welding. Friction stir welding is with the aluminium alloy ex -trusions that constitutes railway aluminum alloy hopper car headwall according to series arrangement to through friction stir welding with each aluminium alloy ex -trusions each other welded connection together form massive railway aluminum alloy hopper car headwall. 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.