Protection assembly location shaping assembly welding frock behind semitrailer

The utility model relates to a protection shaping field specifically is a protection assembly location shaping assembly welding frock behind semitrailer behind the semitrailer, including the platform,following crossbeam extending direction on the platform and being fixed with three vertical L type locator card at least side by side, wherein one side tip vertical fixation of every vertical L typelocator card is on the platform in the crossbeam outside, and the cooperation is put with the cell type space of platform surface formation with the spacing card of crossbeam in the both sides of every vertical L type locator card. Protection assembly location shaping assembly welding frock behind semitrailer has been in good operating condition always since coming into operation, greatly shortened protection assembly shaping behind the semitrailer, group and to, welded time, improved welding efficiency to the uniformity that keeps the product that can be fine, the defect of avoiding artificial reason to cause, welding