Welding fixture used for steel pipe butt welding and steel pipe butt welding method

The invention provides a welding fixture used for steel pipe butt welding and a steel pipe butt welding method. The welding fixture comprises at least two pairs of supporting devices arranged side byside, each supporting device comprises a supporting frame, a worktable is arranged above each support...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	JIANG ALI, WANG ZHIGUO, DENG XIAOJUN, HAN JIALIANG, WANG KAILI, JIANG ZHONGLIANG
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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Beschreibung
Zusammenfassung:	The invention provides a welding fixture used for steel pipe butt welding and a steel pipe butt welding method. The welding fixture comprises at least two pairs of supporting devices arranged side byside, each supporting device comprises a supporting frame, a worktable is arranged above each supporting frame, a supporting wheel A and a supporting wheel B are arranged above each worktable, and aresymmetrically arranged with the middle dividing section in the vertical direction of each worktable as the mirror face, and the center axis of each supporting wheel A is parallel to the center axis of each supporting wheel B. the The steel pipe butt welding method comprises the steps that two steel pipes are placed on the welding fixture, the supporting wheels A and the supporting wheels B are rotated, and the steel pipes are in butt welding during rotation. According to the technical scheme, the two steel pipes with the same outer diameters are placed between the supporting wheels A and thesupporting wheels B, the tw