Dust falling device for ecological environment protection

The utility model discloses a dust falling device for ecological environment protection, and relates to the technical field of dust falling devices, the dust falling device comprises an adjusting assembly, the adjusting assembly comprises a rotating plate, dust falling pipes are arranged on two sides of the rotating plate, every three dust falling pipes are rotatably connected, an adjusting toothed plate is movably connected in the rotating plate, and the adjusting toothed plate is movably connected with the adjusting toothed plate. Two adjusting toothed plates are arranged, an adjusting servo motor is fixedly connected to the interior of the rotating plate, an output shaft of the adjusting servo motor is in transmission connection with a rotating shaft through a coupler, and an adjusting gear is fixedly connected to the end, away from the adjusting servo motor, of the rotating shaft. An adjusting servo motor works, an adjusting gear can be driven to rotate through a rotating shaft, and an adjusting toothed p