CATHEAD AND ROTARY DRILLING RIG

Provided are a cathead and a rotary drilling rig. The cathead comprises a pulley (1), a cathead basal body (2), and a mounting seat (3), the pulley (1) is mounted on the mounting seat (3), a mounting portion is arranged on the cathead basal body (2), the mounting portion comprises multiple connectin...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	TAN, CHUNXIANG, SHANG, ZHIHONG
Format:	Patent
Sprache:	chi ; eng ; fre
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
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!