Spraying and dust falling device for construction site

The utility model discloses a spraying and dust-settling device for a construction site, which belongs to the technical field of environment-friendly devices for building construction and comprises a box body for mounting the spraying and dust-settling device for the construction site, a push handle is fixedly connected to one side of the box body, traveling wheels are fixedly mounted at the lower end of the box body, and a vertical plate is fixedly connected to the top surface of the box body. Multiple sets of mounting plates are symmetrically and fixedly connected to one side of the vertical plate, a connecting block is rotationally connected between the two mounting plates, a spray head is fixedly connected to the side, away from the mounting plates, of the connecting block, a water pump and a water tank are fixedly mounted on the top face of the box body, and a pipeline is fixedly connected between the water pump and the water tank; a water outlet of the water pump is fixedly connected with a water convey