Connection hanging cap for coal field perforation

The utility model provides a connection hanging cap for coal field perforation. The connection hanging cap comprises a movable connection rod, a fixed connection rod, a hanging cap, a spring, a pin and a recessed platform. The fixed connection rod and the movable connection rod are in shaft connecti...

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Bibliographic Details
Main Author JIANG XINBAO
Format Patent
LanguageChinese
English
Published 26.09.2012
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 utility model provides a connection hanging cap for coal field perforation. The connection hanging cap comprises a movable connection rod, a fixed connection rod, a hanging cap, a spring, a pin and a recessed platform. The fixed connection rod and the movable connection rod are in shaft connection, the fixed connection rod is fixed on the hanging cap, the recessed platform is arranged on the upper portion of the hanging cap at the 1/4 position of a hanging cap body, the movable connection rod is placed in the recessed platform, the bottom of the recessed platform is fixed by the pin, the other end of the pin is connected with the spring, and the pin is movable. The connection hanging cap has the advantages of being simple in design and convenient to operate and improves working efficiency and safety factor.
Bibliography:Application Number: CN20112566598U