Rock drill drilling and cutting integrated device with telescopic grooving tool bit

• Main Authors: TANG JUN, WANG QIANWEI, ZHOU CHUAN, YANG QIAN, ZHANG XUEFU, HU BO, PAN BIAO, GUO PEIHENG, PENG CHENGDONG
• Format: Patent
• Language: Chinese; English
• Published: 08.09.2023
• 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 drilling and cutting integrated device comprises a drill rod assembly body, a connecting sleeve assembly, an advancing limiting assembly, a telescopic grooving tool bit assembly, a retreating limiting assembly and an air drill bit are sequentially arranged on the drill rod assembly body, and the telescopic grooving tool bit assembly comprises a sleeve and a grooving tool; two notches are symmetrically formed in the two sides of the sleeve; the grooving cutter comprises a cutter head and a connecting plate, the connecting plate and the cutter head are of an integrated structure, the connecting plate is located in the sleeve, the other end of the connecting plate penetrates through the sleeve and extends into the retreating limiting assembly, and a first limiting inclined face is arranged on the side, close to the retreating limiting assembly, of the connecting plate. According to the rock drill drilling and cutting integrated device with the telescopic grooving tool bit, the problems that in the prior art,