Energy-saving petroleum drilling machine lifting system

The invention discloses an energy-saving petroleum drilling machine lifting system which comprises an engine unit, a gearbox, a roller, a roller brake, a traveling block hook and a derrick and further comprises a chain transmission, an epicyclic gear train, an ordinary gear train, a motor unit, an i...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	DIAO SHUNHANG, FENG ANNING, ZHANG XUEHU, MA YINGHAO, WANG TAOHAI, ZHANG LUJUN
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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