Opening aligning device for welding large-diameter pipeline

The utility model discloses an aligning device for welding a large-diameter pipeline, which relates to the technical field of pipeline connection and comprises two large support frames, each large support frame is provided with a support I, each support I is provided with a circular-arc-shaped mount...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LIU JINTAO, REN YANGKAI, XUE KAIFA, WANG ZHIPENG, QIN QINGZHEN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	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
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