Dust falling device for environmental protection

The utility model discloses a dust falling device for environmental protection. The dust falling device comprises a water tank, the adjusting assembly is arranged on one side of the water tank; the adjusting assembly comprises a fixed box, a motor, a connecting rod, a first bevel gear, a second bevel gear and a rotating rod; one side of the water tank is fixedly connected with a motor; an output shaft of the motor is fixedly connected with a connecting rod through a coupling; the outer wall of the connecting rod is fixedly connected with a first bevel gear; the outer wall of the first bevel gear is engaged with a second bevel gear; the interior of the second bevel gear is fixedly connected with a rotating rod; and the dust removal assembly is arranged at the top of the rotating rod. According to the dust falling device for environmental protection, water in the water tank is pumped out through the water pumping pipe by starting the water pump, and the water can be conveyed into the spraying pipe through the a