Single-arm contraction-type drill pipe racking device

• Main Authors: WANG YUNAN, LIU RUI, 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 single-arm contraction-type drill rod racking device used for grabbing, moving and racking a drill rod, which belongs to oilfield drilling equipment. The utility model adopts the technical scheme that a mechanical arm comprises a lifting arm and a telescopic arm; one end of the lifting arm is hinged with the telescopic arm; a telescopic driving cylinder is fixedly connected between the lifting arm and the telescopic arm; the other end of the lifting arm is hinged on a support body; another telescopic driving cylinder is fixedly connected between the support body and the lifting arm; the upper part of the support body is connected at a rotating center; the telescopic arm is a lengthened telescopic arm driven by a driving cylinder; the mechanical arm is fixed at the one end of the telescopic arm; and a drill rod centralizer is fixed at the other end of the telescopic arm. Through centralized control, the utility model utilizes the mechanical arm for grabbing and racking the drill