Pump suction direct and reverse circulation percussion drill

The utility model belongs to drill field and relates to a pump suction direct and reverse circulation percussion drill used in irrigation and construction works. The percussion drill is mainly characterized in that a slurry suction pump is connected at the outlet of a water filling rubber tube of a slurry pump; the slurry pump and the slurry suction pump are connected in a clutched way; and the tail end of a wire rope of an auxiliary windlass is movably connected with a downcast slurry suction pump through a guide wheel. The percussion drill can make use of direct and reverse circulation to follow a percussion hammer to continuously prepare the slurry bidirectionally and to discharge the slag and clean the holes. The percussion drill is convenient for the replacement and connection of the slurry suction pipes, and has the advantages that the percussion drill can prepare the slurry quickly, discharge the slag and clean the holes timely, improves the drilling speed, saves power and reduces the labor intensity.