Elevator side-sway device and compensation control method thereof

The invention provides an elevator side-sway device and a compensation control method thereof, and relates to the technical field of workover operation tools. The elevator side-sway device comprises a traveling block hook, a side-sway driving mechanism and at least two single-arm hanging rings, the...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WANG QIULING, YU JIDI, HU YONGHUI, ZHANG DUANGUANG, SHEN JUNFANG, GUAN CHUNLI
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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