Telescopic splash-proof device for core drilling machine

The telescopic splash-proof device comprises a bearing, a hoop, a top cover and a telescopic cylinder assembly, the bearing, the hoop, the top cover and the telescopic cylinder assembly are arranged on the same vertical center line, the inner ring of the bearing is assembled on the outer circle of a...

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Bibliographische Detailangaben
Hauptverfasser:	PANG YU, YAO LONG, LI ZHI, YANG MEILI, YAO FENG, SHEN XUFENG, LI HUIGUI, ZHOU YIBO
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 telescopic splash-proof device comprises a bearing, a hoop, a top cover and a telescopic cylinder assembly, the bearing, the hoop, the top cover and the telescopic cylinder assembly are arranged on the same vertical center line, the inner ring of the bearing is assembled on the outer circle of a drill rod of the coring drill in an interference mode, the top cover is of a conical cylinder structure with the thin upper portion and the thick lower portion, and the inner circle of the upper end of the top cover is fixedly connected with the outer circle of the hoop. The lower end of the top cover is fixedly connected with the upper end of the telescopic cylinder assembly, and the top cover and the telescopic cylinder assembly are made of transparent plastic. The telescopic cylinder is simple in structure and convenient to mount and demount, rock is completely covered in the core drilling process, water splashing in the core drilling process is completely avoided, and meanwhile the telescopic cylinder automati