The invention discloses a high-efficiency sprinkling and dust removal device for buildings, which comprises a bottom plate, a first motor, a first rotating shaft, a first support plate, a
cam, a second motor, a first disc, a first connecting rod, a
nozzle, a water tank, The first
pulley, the belt, the second
pulley, the second rotating shaft, the second disk, the second connecting rod, the sliding sleeve, the sliding rod, the fourth supporting rod, the fixed plate, the rotating plate, the
water spray pipe and the water pump, this The invention is provided with a first motor, a first rotating shaft, a
cam and a first support plate, and through cooperation to drive the
nozzle to move up and down, the spraying range is wider and the efficiency of water sprinkling and dust reduction is improved. The second motor, the first disc and the The first connecting rod drives the
nozzle to rotate through cooperation, which further expands the spraying range and sprays evenly. It is equipped with a second disc, a second connecting rod, a sliding sleeve, a fourth support rod and a fixed plate. Swing further expands the spraying range and improves the efficiency of watering and dust reduction.