Remote control derrick lifting system for petroleum drilling and workover rig

• Main Authors: SUN ANTAI, ZHANG YIHANG, ZHANG JIANYE, MA JINJIN, MA LILI, LIANG JIAN
• Format: Patent
• Language: Chinese; English
• Published: 09.02.2024
• Subjects: CRANES; EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FIXED CONSTRUCTIONS; HAULING; HOISTING; LIFTING; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS; PERFORMING OPERATIONS; TRANSPORTING

The utility model aims to provide a remote control derrick lifting system for a petroleum drilling and workover rig, and belongs to the technical field of derrick lifting systems for petroleum drilling and workover rigs. The system comprises a remote control module, a relay module, a precision cylinder, a derrick lifting hydraulic cylinder and a hydraulic pump, the derrick lifting hydraulic cylinder and the hydraulic pump are arranged on the drilling and repairing machine, a hydraulic control valve used for controlling lifting of a derrick is arranged on one side of the tail of the drilling and repairing machine, an air inlet of the precision cylinder is communicated with an air outlet of the relay module, and a piston rod is linked with an operating rod of the hydraulic control valve. The lifting and lowering processes of the derrick of the drilling and repairing machine are completed in the anti-explosion area in a gas-liquid control mode, sparks are avoided, the anti-explosion requirement of a wellhead is