Noise-reduction deslagging drill bit of rotary drilling pile machine

• Main Authors: ZHANG DAOBING, WANG BINGYUN, PENG XUEJUN, ZHANG SHENG, PENG CHENG, WANG HUZHI, ZHOU JUNQIANG, ZHANG JIAHUA, LIU YUNLONG, LING TAO, TANG YU, HUA YI
• Format: Patent
• Language: Chinese; English
• Published: 11.07.2023
• 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 relates to a noise-reducing and slag-discharging drill bit of a rotary pile drilling machine, which comprises a shell, a drill bit body and a drill bit body, the driving shaft and the shell are coaxially arranged, and the driving shaft and the shell can slide relatively; the rotating disc is arranged at the lower end of the driving shaft, the outer edge of the rotating disc is matched with the inner wall of the lower end of the shell, and the rotating disc and the shell can rotate relatively; the drill teeth are distributed below the turntable and are distributed along the radial direction of the turntable; the drill tip is arranged in the center of the bottom surface of the turntable; and the honeycomb cap is arranged on the shell to form a honeycomb structure on the shell. Noise generated by the drill bit of the rotary pile drilling machine can be reduced. 本实用新型涉及一种旋挖桩机降噪排渣钻头，包括：壳体，其具有圆环形壳身；驱动轴，其与壳体共轴设置，二者能产生相对滑动；转盘，其设置在驱动轴的下端，其外缘与壳体下端内壁适配，转盘与壳体之间能发生相对转动；钻齿，其分布在转盘下面，沿转盘径向分布；钻尖，其设置在转盘底面的中心；