Fecha de publicación: 07/05/2021 Fuente: Wipo "precision agriculture" The utility model discloses a high-precision agricultural automatic irrigation device which comprises a liquid storage box body, a sealing cover plate, a hook support, a control handle and a driving motor, the left side and the right side of the liquid storage box body are in shaft connection with lifting handles, supporting panels are fixedly welded under the liquid storage box body, a liquid conveying pipeline is in threaded connection between the supporting panels, and the liquid conveying pipeline is in threaded connection with the liquid storage box body. The bottom of the liquid conveying pipeline is fixedly welded with a water inlet pipeline, the sealing cover plate is installed over the liquid storage box body, the equipment support is arranged over the liquid storage box body, the hook supports are installed on the left side and the right side of the equipment support, and the hook supports are installed in the pouring box body; and a limiting patch is welded and fixed on the outer side of the hook bracket. According to the high-precision agricultural automatic irrigation device, the ball screw and the positioning paster are adopted, the equipment support is driven by the ball screw to vertically ascend and descend, the height of the equipment support is adjusted according to the growth height of plants, and the flexibility of irrigating and spraying different types of plants is improved.