Auxiliary tool for submerged-arc welding of small-caliber pipeline

• Main Authors: WANG YULAI, WU ZHONGYANG, REN CHENGZHI, LI XUEMEI, MING YU
• Format: Patent
• Language: Chinese; English
• Published: 31.05.2022
• Subjects: CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR; PERFORMING OPERATIONS; SOLDERING OR UNSOLDERING; TRANSPORTING; WELDING; WORKING BY LASER BEAM

The utility model discloses a minor-caliber pipeline submerged-arc welding auxiliary tool which comprises an upper part and a lower part, the upper part comprises a V-shaped limiting plate, an upper supporting pipe column and an adjusting nut, the V-shaped limiting plate is fixedly connected to the top of the upper supporting pipe column, a screw thread is arranged on the outer side of the upper supporting pipe column, and the adjusting nut is connected with the V-shaped limiting plate. An adjusting nut in threaded connection with the upper supporting pipe column is arranged on the outer side of the upper supporting pipe column, and a handle is arranged on the outer side of the adjusting nut; the lower part comprises a positioning plate, a lower supporting tubular column and a bottom plate, a via hole is formed in the center of the positioning plate, the positioning plate is fixedly connected to the top of the lower supporting tubular column, the bottom plate is fixedly connected to the bottom of the lower su