Automatic drainage device for paddy field

The invention provides an automatic drainage device for a paddy field, belongs to the technical field of machinery, and solves the problem that an existing paddy field drainage facility is poor in use effect. The automatic drainage device for the paddy field comprises a drainage box which is provided with a bottom plate and two symmetrically-arranged side plates, and two parallel lifting plates are vertically arranged between the two side plates and are the low-position plate and the high-position plate respectively; and the electric box is fixedly arranged above the drainage box, a controller is installed in the electric box, and the controller can at least drive one lifting plate to move up and down, so that water flow is drained outwards through the drainage box. The method has the advantage of being good in use effect. 本发明提供了一种水田自动排水装置，属于机械技术领域，它解决了现有水田排水设施使用效果差的问题。本水田自动排水装置包括：排水箱，具有底板以及对称设置的两侧板，两侧板之间竖直设置有相互平行的两升降板，两升降板分别为低位板、高位板；电箱，固设在排水箱上方，电箱内安装有控制器且控制器至少能带动其中一个升降板上下移动，使得水流经由排水箱向外排出。本发明具有使用效果好的特点。