Dust raising prevention device of drilling machine

The utility model relates to a drilling machine dust raising prevention device which comprises a drilling machine body, a bulldozing assembly is installed at the bottom end of the interior of the drilling machine body, two symmetrically-arranged dust falling assemblies are movably installed at the front end of the drilling machine body, each dust falling assembly comprises a door plate, and three first spraying pipes are fixedly installed on the inner side of each door plate; second spraying pipes are fixedly installed at the positions, close to the bottom ends, of the outer sides of the door plates, the tail ends of the first spraying pipes and the tail ends of the second spraying pipes are connected with water inlet pipes in a penetrating mode, the front end of one door plate is movably connected with a first fixing block, the front end of the other door plate is fixedly connected with a second fixing block, and the first fixing block is connected with the second fixing block in a clamped mode. The utility