Locking rod connecting shaft assembly of blowout preventer

• Main Authors: LI ZUHAI, HUANG DEHUI, LIU YUZHOU, QIAN HONGDONG, LI LONG, ZHAO YONGJIE, WANG FANGXIANG, GONG XIN
• Format: Patent
• Language: Chinese; English
• Published: 03.07.2020
• 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 discloses a locking rod connecting shaft assembly of a blowout preventer, which is characterized in that a rotating shaft pin head is hinged with a handle through a small pin to forma movable rotating shaft pin head structure; the torsional spring is positioned between the upper supporting seat and the lower supporting seat and is hinged through a large pin to form a warped plate type torsional spring pressing structure; the torsion spring provides restoring force for the handle. And the pin head part of the rotating shaft pin head is vertically inserted into and pulled outof the pin head hole by pressing the hand pressing sheet. The connecting shaft of the blowout preventer locking rod does not need to assemble or disassemble a bolt, connection is achieved only by pushing in, disassembly is achieved by pressing the hand pressing piece, operation is easy and convenient, use is safe and reliable, time and labor are saved, work efficiency is improved, well control risks are reduced, and safe a