Welding jig with fill depressed structure of protection in succession

The utility model discloses a welding jig with fill depressed structure of protection in succession, including buffering platform, base, cylinder, otic placode, top base, telescopic link, stopper, pivot, adjusting station, cover platform, compress tightly wall, compact heap, a supporting bench, control panel, second shower nozzle, weld through -hole, generator, pipe, blowout ware and first showernozzle, the buffering platform is installed to the both sides of base, the cylinder is installed at the top of buffering platform, the otic placode is installed to one side of cylinder, the cylinder passes through the telescopic link and is connected with the pivot, the inside embedding of pivot compresses tightly the wall, adjusting station is installed to the one side that compresses tightly thewall, the middle part nestification that compresses tightly the wall has set platform, the stopper is installed to the bottom of cover platform, the generator is installed to the inside one end of stopper, the generator passe