Sleeve-pipe clamp and sleeve-pipe downing device

The invention provides a sleeve-pipe clamp and a sleeve-pipe downing device. The sleeve-pipe clamp of the invention comprises a coarse adjusting handle, a first clamping arm, a second clamping arm, a first sliding plate and a second sliding plate, wherein the first end of the first clamping arm and...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	ZHAO JUNFENG, FANG YOUXIANG, LIU DEGUI, ZHANG SHIKUO, TONG BI, CHENG HEYU, SHI DEZHOU, SHA FU, GAO LING, HU SHECHANG
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
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	The invention provides a sleeve-pipe clamp and a sleeve-pipe downing device. The sleeve-pipe clamp of the invention comprises a coarse adjusting handle, a first clamping arm, a second clamping arm, a first sliding plate and a second sliding plate, wherein the first end of the first clamping arm and the first end of the second clamping arm are connected with the first end of the coarse adjusting handle, the second end of the first clamping arm is connected with the first sliding plate, and the second end of the second clamping arm is connected with the second sliding plate; and the first sliding plate and the second sliding plate are pushed to oppositely move and merge into a sleeve-pipe clamping hole by the first clamping arm and the second clamping arm in the pressing state of the coarse adjusting handle, and the hole diameter of the sleeve-pipe clamping hole is matched with the diameter of a downed sleeve pipe. The axial offset of the sleeve pipe in the hole of the sleeve-pipe clamp is easy to control, and