Spraying device for constructional engineering

The invention discloses a spraying device for constructional engineering. The spraying device comprises a mounting base, wherein a storage box is fixedly mounted in the middle of the upper end of themounting base; a feeding pipe is fixedly mounted at the upper end of the storage box; an elastic filter screen is movably mounted in the middle of the inside of the feeding pipe; a stirrer is arrangedin the storage box; movable wheels are arranged on the lower portion of the mounting base and are connected with the stirrer through the device; one side of the storage box is connected with mountingracks through rotating swivel nuts; moving blocks are mounted on the mounting racks; and a spraying head is mounted on the surface of each moving block. The spraying device is novel in structure andconvenient to operate, coating is fed and filtered by the elastic filter screen, the coating is stirred on site and then is sprayed, the position and the angle of a spraying rack can be adjusted, andthus, a sprayed object can be