High-pressure jet grouting anchor cable construction drill bit

• Main Authors: ZHAO XU, WU HAIYAN, GAO WEI, ZHANG XIANZHONG, YU HAIYIN, ZHANG PENG, XIAO YING, WANG HAODONG
• Format: Patent
• Language: Chinese; English
• Published: 25.06.2024
• 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 high-pressure jet grouting anchor cable construction drill bit, which relates to the technical field of drilling devices and is characterized in that a wedge block, a compression spring and a pull rod are arranged in a matched manner, and during mounting, a connecting pipe integrally arranged at the upper end of a drill bit body is sleeved on the inner side of the lower end of a drill rod in a threaded manner until a limiting ring II is propped against the bottom end of the drill rod; at the moment, the wedge slides into the fixing groove under the action of the wedge, and the connecting pipe and the drill rod are relatively fixed; when the drill bit body needs to be replaced, the pull rod is manually pulled outwards, the pull rod drives the wedge block to be separated from the fixing groove, at the moment, the drill rod is kept immovable, the drill bit body is manually rotated, and then the drill bit body and the drill rod can be separated, so that disassembly and assembly are v