Method for enhancing limit anticollision reliability of driller

The method for improving limit reliability of driller features that a device for monitoring lifting speed and height and controlling lifting power and brake is installed on driller to make the lifting speed in safety range.

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	ZHONG HUILONG, HAO HANLIN, AO QIANPING
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
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	The method for improving limit reliability of driller features that a device for monitoring lifting speed and height and controlling lifting power and brake is installed on driller to make the lifting speed in safety range.