First-lifting and second-translation type water conservancy gate

The utility model discloses a first lifting and second translation type water conservancy gate which comprises a portal frame, a main gate plate, an auxiliary gate plate, a lifting assembly, a fixing frame, a mounting frame and a filter screen plate, the main gate plate is mounted in the portal frame in a sliding mode, the auxiliary gate plate is arranged on the main gate plate in a penetrating and sliding mode through a sliding seat, and the lifting assembly is arranged between the main gate plate and the auxiliary gate plate. The fixing frame is arranged on one side of the door frame, the mounting frame is slidably mounted on the fixing frame through the pushing seat, the filter screen plate is detachably mounted on the mounting frame through a plurality of mounting seats, and a collecting groove for collecting floating objects is formed in the filter screen plate. According to the first-lifting and second-translation type water conservancy gate, the flood discharge space can be conveniently adjusted throug