Positioning mechanism for water supply project plastic-coated steel pipe welding

• Main Authors: WANG KEWEI, ZHU YONGCHAO, WANG XINLONG, CHANG YAOWEI, YUAN YONGHONG, BIAN MING, FENG FEI, LU JIANGUO, GAO XING, LIU YANG, WEI QINGZHENG
• Format: Patent
• Language: Chinese; English
• Published: 24.05.2024
• 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 belongs to the technical field of plastic-coated steel pipe welding, and particularly discloses a positioning mechanism for water supply project plastic-coated steel pipe welding. The positioning mechanism comprises a guide framework, and the guide framework is provided with an expansion clamping assembly and an integrated supporting assembly; the expanding type clamping assembly comprises supporting arms, a supporting frame and a clamping plate, the expanding type clamping assembly is used for stretching into the plastic-coated steel pipe to expand, and the supporting arms push the supporting frame and the clamping plate to achieve external expansion, so that the expanding type clamping assembly is clamped and fixed to the inner wall of the plastic-coated steel pipe to be fixed; the integrated supporting assembly comprises a main supporting leg, a hook and a plurality of auxiliary supporting legs, the main supporting leg stands at the bottom of the expanding type clamping assembly, at the momen