Two-jaw-plate opening type power tong head clamping mechanism for hydraulic cylinder lever clamping

The utility model relates to a tong head clamping mechanism for two jaw plate opening type power tongs clamped by a hydraulic cylinder lever, which is characterized in that two jaw plate assemblies are respectively arranged in bolts on clamping arms on two sides to form a movable hinge rotation pair...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	QIAO CONGHUA
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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