Shale gas drilling type coring robot

• Main Authors: ZHANG CHAOJIE, WANG HESHUN, ZHU WEIBING, PANG QINGSONG, YAN JINGJIANG
• Format: Patent
• Language: Chinese; English
• Published: 27.11.2020
• 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 invention discloses a shale gas drilling type coring robot which comprises a coring mechanism and pushing and locking mechanisms symmetrically arranged on two sides of the coring mechanism. Each pushing and locking mechanism comprises a center shaft, a connecting rod part, a hydraulic driving part, a shell and a connecting thread; the pushing and locking mechanism is of a cylindrical structure; the connecting thread is arranged on one end surface of the shell, an inner cavity is formed in the other end surface of the shell, and the hydraulic driving part is fixedly arranged in the first inner cavity; the connecting rod part comprises a first pushing arm, a second pushing arm, a first arm seat, a second arm seat, a locking block, a push rod and a shaft sleeve; one end of the center shaft is slidably arranged in the inner cavity while the other end of the center shaft is fixed in the push rod; the other end of the first pushing arm is connected to the middle of the second pushing armcorresponding in positio