Rapid welding back protective gas inflation device

• Main Author: GUO QINGYING
• Format: Patent
• Language: Chinese; English
• Published: 12.04.2022
• 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 invention discloses a rapid welding back protective gas charging device which comprises a connecting pipe, fastening mechanisms are fixedly connected to the outer walls of the two sides of the connecting pipe, each fastening mechanism comprises a connecting rod, one end of each connecting rod is fixedly connected with the outer wall of one side of the connecting pipe, and the other end of each connecting rod is fixedly connected with a connecting plate; the outer wall of the side, away from the connecting rod, of the connecting plate is fixedly connected with a push rod motor, the end, away from the connecting plate, of the push rod motor is fixedly connected with an arc-shaped plate, the end, close to the arc-shaped plate, of the connecting pipe is sleeved with a fixing plate, and the outer wall of the side, away from the connecting pipe, of the fixing plate is fixedly connected with a conical pipe. An arc-shaped plate can be driven by a push rod motor in the fastening mechanism to clamp a pipeline, and