Connection hanging cap for coal field perforation

• Main Author: JIANG XINBAO
• Format: Patent
• Language: Chinese; 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

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.