Reaming cutter

The utility model relates to the technical field of broaching tools, and discloses a broaching tool which comprises a connecting seat, a connecting rod is welded to the top of the connecting seat, a fixed connecting piece is welded to the top of the connecting rod, an adjusting thread is arranged ou...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	TAN QIANHUI, MA XINHUA, WANG SHENG, ZHU FUWEN, BAI LI, XIE LIN, CHENG XINYU, MA FUPING, YU ZHONGJUE
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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Beschreibung
Zusammenfassung:	The utility model relates to the technical field of broaching tools, and discloses a broaching tool which comprises a connecting seat, a connecting rod is welded to the top of the connecting seat, a fixed connecting piece is welded to the top of the connecting rod, an adjusting thread is arranged outside the connecting rod, an adjusting thread sleeve is connected to the outer portion of the adjusting thread in a sleeved mode, and the adjusting thread sleeve is connected with the fixed connecting piece in a sleeved mode. A plurality of first hinged frames which are evenly distributed are welded to the outer side of the bottom of the adjusting screw sleeve, and a plurality of second hinged frames which are evenly distributed are welded to the outer side of the bottom of the connecting base. The adjusting screw sleeve can move up and down under the limitation of the connecting seat and the fixed connecting piece and the matching of the adjusting thread, so that the height of the first hinge frame can be changed,