Device for preventing welding deformation of annular V groove stabilizer and use method of device for preventing welding deformation of annular V groove stabilizer

The invention relates to a device for preventing welding deformation of a part, in particular to a device for preventing welding deformation of an annular V groove stabilizer and a use method of the device for preventing welding deformation of the annular V groove stabilizer. The device for preventing welding deformation of the annular V groove stabilizer comprises a supporting pressing structure, a moving jacking structure and a ventilation protection structure. The invention further provides the method for preventing welding deformation of the annular V groove stabilizer through the device. According to the device for preventing welding deformation of the annular V groove stabilizer and the use method of the device for preventing welding deformation of the annular V groove stabilizer, welding deformation of the annular V groove stabilizer is controlled through stretching jigs with adjustment mechanisms in the process of welding the annular V groove stabilizer, the technical problems that after the annular V groove stabilizer is welded, deformation is large, and correcting can not be carried out are solved, the welding accuracy of the annular V groove stabilizer is guaranteed, and the assembling and use requirements of a diffuser of an afterburner of an aero-engine are met.