ANCHORING AND ANTI-BLOCKING DRILL ROD FOR COAL MINE FLOOR

摘要

An anchoring and anti-clogging drill rod for a coal mine floor and methods thereof are provided. The anchoring and anti-clogging drill rod includes a hollow drill pipe and a hollow sleeve configured inside the hollow drill pipe. A front joint is configured at a front end of the hollow drill pipe. A back joint is configured at a back end of the hollow drill pipe. The hollow sleeve is wound with a spiral connection line in a direction opposite to a rotation direction of the anchoring and anti-clogging drill rod during drilling. A spiral-shaped space is formed between the spiral connection line and an inner chamber of the hollow drill pipe.