| 摘要 |
PURPOSE: A floodgate for river automatically controlled depending on the water level is provided to minimize damage to the floodgate caused by foreign materials and water pressure. CONSTITUTION: A floodgate(10) for river automatically controlled depending on the water level is composed as follows. Filter mounting grooves(23) for installing a filter(60) are formed in an upper horizontal plane(21). A lower horizontal plane(22) comprises a waterway(20) which has a hydraulic turbine(70). A first floodgate device is composed of a first case(31) and a first floodgate(34). A second floodgate device is composed of a second case(41) and a second floodgate. A generator generates electricity through the hydraulic turbine. |
