Welding tool for lifting platform upper frame

The utility model discloses a welding tool for an upper frame of a lifting platform. The welding tool comprises a welding platform, positioning columns and fastening jackscrews. The positioning columns are fixed on the welding platform at certain intervals; the positioning columns comprise a first-l...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	BAI HENGLEI, HUANG XUE, FU LILI, LIU XIANGPING, WANG JIANBIN, SUI JINGYU
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 utility model discloses a welding tool for an upper frame of a lifting platform. The welding tool comprises a welding platform, positioning columns and fastening jackscrews. The positioning columns are fixed on the welding platform at certain intervals; the positioning columns comprise a first-layer positioning column, a second-layer positioning column and a third-layer positioning column, the height of the third-layer positioning column is larger than that of the second-layer positioning column, and the height of the second-layer positioning column is larger than that of the first-layer positioning column; and the fastening jackscrew is matched with the positioning column to fix a welding part on the welding platform. The welding tool for the upper frame of the lifting platform adopts a jackscrew structure, and is convenient and flexible. After welding and positioning are completed, the fastening jackscrews can be retreated, so that the space of the welding part is enlarged, meanwhile, the opposite faste