Mechanical arm assembly for holding drill pipe

• Main Authors: ZUO RENLONG, WANG TAO, YANG GUOJIA
• Format: Patent
• Language: Chinese; English
• Published: 16.12.2009
• 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 relates to a device for grabbing a drill pipe belonging to oil field drilling equipment, in particular to a mechanical arm assembly for holding a drill pipe, which is intended for the racking of drill pipes. According to the technical scheme, the mechanical arm comprises a lifting arm and a telescopic boom, the telescopic boom is hinged with one end of the lifting arm, a telescopic driving cylinder is fixedly connected between the hinge end of the lifting arm and the telescopic boom, the other end of the lifting arm is hinged on a support body, a telescopic driving cylinder is fixedly connected between the support body and the lifting arm, and a manipulator is connected to the telescopic boom. Aimed at solving problems arising from manual removing, hanging, clamping, grabbing and releasing of the drill pipe, the utility model provides the mechanical arm assembly for holding the drill pipe, which has strong carrying capacity, meets well drilling needs, has long service life, and can operate i