Pneumatic hydrodynamic linkage spray dust reduction device for blasting working face

The invention discloses a pneumatic hydrodynamic linkage spray dust reduction device for blasting a working face. The device comprises a water pipe connected with a purified water curtain device, a water pipe is transversely fixedly connected to a bracket, a vertically arranged connecting rod is hingedly connected with the lower portion of the free end of the bracket by a rotating shaft, the connecting rod is provided with a hook, and an iron plate is arranged at the lower end of the connecting rod; a quick valve is installed on the water pipe below the bracket, a valve stem of the quick valveand a transversely arranged rotating rod are linked, the rotating rod passes through the hook and is positioned by the hook, and a heavy hammer is hanged on the free end of the rotating rod; the lower end of the water pipe is connected with an air inlet pipe and a water inlet pipe through a Y-shaped triplet, and regulating valves are respectively arranged at the ends of the air inlet pipe and thewater inlet pipe. The dev