Coal measure strata coal passing drill bit device

• Main Authors: WAN WULIANG, WANG JINHONG, WANG XUEJI, ZUO DI, YAO JUNYAO, DING YONGJIE, ZHANG YING, REN HONGBAO, WANG CHUANG, MENG QINGWU, FANG WENHUI, CHEN ZHENG, SHI XIAOGANG
• Format: Patent
• Language: Chinese; English
• Published: 06.11.2020
• 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 utility model discloses a coal measure strata coal passing drill bit device which is characterized in that the left end of a drill bit body is fixedly connected with a mounting seat, and the leftend of the mounting seat is fixedly connected with a mining vehicle; front and rear offset detection parts are symmetrically arranged at the front part and the rear part of the left end of the mounting base; the rear offset detection part comprises a rear auxiliary block fixed at the rear part of the left end of the mounting base; a first rear rotating shaft and a second rear rotating shaft are symmetrically and rotationally connected to the left front side and the left rear side of the rear auxiliary block at the rear part of the upper surface of the mining vehicle; a rear first rotating rodis fixed at the left end of the rear first rotating shaft; a rear first connecting block is fixed at the right end of the rear first rotating shaft; a rear first wireless pressure sensor is fixed to the left rear side of the r