Connecting device of drilling machine components and operating method for connecting drilling machine components

The invention discloses a connecting device of drilling machine components and an operating method for connecting the drilling machine components. The connecting device comprises a lug plate, a pin shaft and a retainer, wherein the lug plate has a concave shape, and the retainer and the concave-shap...

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Bibliographic Details
Main Authors CAI SHUCHANG, LU JUAN, YU XINHUA
Format Patent
LanguageChinese
English
Published 17.11.2010
Subjects
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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Summary:The invention discloses a connecting device of drilling machine components and an operating method for connecting the drilling machine components. The connecting device comprises a lug plate, a pin shaft and a retainer, wherein the lug plate has a concave shape, and the retainer and the concave-shaped lug plate are correspondingly provided with threaded connecting holes. The connecting device is convenient to mount, greatly reduces the labor intensity of a worker during mounting, is time-saving and labor-saving, has low skill requirements of the worker, and can be assembled by the worker with a lower technical grade; and the remodeled design is worthy of being popularized in petroleum mechanical designs.
Bibliography:Application Number: CN2009127539