Down-hole hammer combined rotary drilling pile machine

• Main Authors: LU YANBAO, XU WANQIANG, KONG QIUPING, FAN MEILING, CHEN FUJUN, LU FENGYU, ZHENG TIANSHOU, ZHANG QIANG
• Format: Patent
• Language: Chinese; English
• Published: 05.07.2022
• 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 down-the-hole hammer combined rotary drilling pile machine, which belongs to the technical field of drilling equipment and comprises a spiral blade device and a pneumatic down-the-hole hammer device. The spiral blade device is in sliding connection with the pneumatic down-the-hole hammer device in the vertical direction; the spiral blade device comprises a spiral blade and a rotating barrel, the spiral blade is fixedly installed on the outer wall of the spiral barrel, the pneumatic down-the-hole hammer device comprises a spiral conical head and a pneumatic hammer head, and the pneumatic hammer head slides in the spiral conical head to impact the spiral conical head. And the spiral conical head can slide up and down in the rotary barrel. On the basis that the rotary excavating function is achieved, the spiral conical head can crush rocks, meanwhile, the spiral conical head synchronously rotates along with the spiral blade, the use range of the rotary excavating pile machine is wid