High-speed high-torque full-hydraulic top drive drilling set

The utility model discloses a high-speed high-torque full-hydraulic top drive drilling set which is driven by a group of high-speed low-torque hydraulic motors. Each hydraulic motor is provided with an independent multi-disc brake and a planetary speed reducer, so that a spindle can run at a high sp...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	YUE WENBIN, GAO KE, SUN YOUHONG, GENG CHANGWEI, WANG QINGYAN, SHI YUANLING
Format:	Patent
Sprache:	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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