Safety protection device for preventing electric welding machine shell from being not grounded

The utility model provides a safety protection device for preventing an electric welding machine shell from being not grounded, which comprises a grounding resistance tester arranged in an electric welding machine, a current applying end of the grounding resistance tester is connected to a power lin...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LIU YUANXUN, TIAN TAO, XIANG TIANHANG, WANG QING, LI CHENGSHAN, HU YUNQIU
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING MACHINE TOOLS MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PHYSICS SOLDERING OR UNSOLDERING TESTING TRANSPORTING WELDING WORKING BY LASER BEAM
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