Gas extraction drilling protection device

The utility model relates to a gas extraction drilling protection device which comprises a dust collecting barrel and a drill rod and is characterized by further comprising gas suction equipment communicated with the dust collecting barrel and a hanging piece arranged at the right end of the dust collecting barrel. The dust collecting cylinder is fixed on a rock wall through a base, and a rubber flexible connector is arranged between the dust collecting cylinder and the base; the hanging piece comprises wing plates symmetrically welded to the two sides of the dust collecting cylinder, two steel wire ropes and an anchor rod fixed to the rock wall. Hanging rings for fastening steel wire ropes are welded on the upper end surfaces of the wing plates; a hanging ring is also arranged at the tail end of the anchor rod; one ends of the two steel wire ropes are connected with hanging rings on the wing plates, and the other ends are connected with hanging rings on the anchor rods; the direction of the dust collection b