Positioning device for petroleum drill rod

The utility model relates to a positioning device for a petroleum drill pipe, which comprises a transportation base, a bracket is fixedly mounted at the top of the transportation base, a control assembly is arranged in the bracket, two control screws are arranged in the control assembly, one end of...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WANG ZHIJUN, XU SHIKAI, LI HAILONG, XU PENGZHENG, SU DONGYANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING HAND-PROPELLED VEHICLES, e.g. HAND CARTS, PERAMBULATORS HANDLING THIN OR FILAMENTARY MATERIAL LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS SLEDGES STORING TRANSPORTING
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