Novel automatic positioning straightening device for oil pipe

Novel automatic positioning straightening device for oil pipe

The invention provides a novel automatic positioning straightening device for an oil pipe. The device comprises an inner core pipe, and a positioning sleeve which sleeves the inner core sleeve; the inner core pipe is coaxial with the positioning sleeve; a chute is formed in an outer sleeve and conne...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: ZHAO JIANXUAN
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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Beschreibung
Zusammenfassung:The invention provides a novel automatic positioning straightening device for an oil pipe. The device comprises an inner core pipe, and a positioning sleeve which sleeves the inner core sleeve; the inner core pipe is coaxial with the positioning sleeve; a chute is formed in an outer sleeve and connected with a sliding block in the inner core pipe; the inner core pipe can slide in the positioning sleeve along the chute. The device has the beneficial effects of being high in precision during positioning, and good in effect of straightening the oil pipe.