Expressway construction drilling machine

• Main Authors: SHAN DAWEI, ZHAO CHUNHUAN, LI AN, YAN WENLEI, JIA QIHUA, LI DING, SHI WANQI, HAN JUN, ZHANG XIN, REN XINGRONG
• Format: Patent
• Language: Chinese; English
• Published: 22.11.2022
• 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 invention relates to the technical field of drilling, in particular to an expressway construction drilling machine which comprises a base, a top frame, a transmission ring and an arc frame, the top frame is installed on the top of the base through a supporting rod, a transmission plate is fixedly installed on the inner wall of the top frame, and the transmission ring is fixedly installed on the bottom face of the transmission plate. An impeller is installed in the transmission ring through a connecting shaft, the transmission ring is connected and communicated with an arc frame through a metal hose, and the arc frame is fixedly installed on the inner side wall of the base. The device has the beneficial effects that the scraping plate can stretch out when the drill rod rotates reversely to scrape and clean the outer wall of the drill rod, reverse rotation of the drill rod can drive the impeller to rotate, blowing power is provided, generated gas with pressure can blow the drill rod, scraping and blowing ar