Forward-in forward-out combined movement mechanism for coring instrument

• Main Authors: CHEN LIANGYU, LIU PINGJIANG, YAN CHENHUAN, SHEN WEIGUO, ZHANG HAO, MA ZHENGJIANG
• Format: Patent
• Language: English
• Published: 03.02.2016
• 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

Disclosed is a forward-in forward-out combined movement mechanism for a coring instrument. The forward-in forward-out combined movement mechanism comprises a supporting seat, a thrust guide plate, a force-bearing guide plate, a slider, a driving block, a connecting rod and a cylindrical pin, the force-bearing guide plate comprises a horizontal guide groove, a vertical guide groove straight line section and a vertical guide groove circular arc section, the driving block is connected with a via hole of the thrust guide plate through the connecting rod, the slider slides in the guide groove of the force-bearing guide plate, and when the driving block drives the thrust guide plate to slide in a sliding groove of the supporting seat, the slider drives a motor to complete movement tracks of rotating, advancing and swinging.