The utility model relates to a water pump for a culture pond.It contains a vehicle and a draught device.The vehicle is floating on the water.Two opposite motor fixing frames are arranged on the middle part of the base of the vehicle.And bearing fixing frames are respectively arranged on both sides of the base；The motor of the water pumping device is connected with a drive shaft with an impeller at both ends of the shaft.A motor bracket is arranged on both sides of the motor facing downward.The two transmission shafts are respectively arranged and pivoted with bearing brackets.The two motor supports and the two motor fixing frames are respectively butted with each other and provided with a motor height adjustment structure.To adjust the center height position of the set motor,The two bearing supports and the two bearing fixing frames are respectively butted with each other and provided with a bearing height adjustment structure.To coordinate with the motor to adjust and set the center height position of the two transmission shafts and impellers,It can adjust the water depth of the control blade.In order to meet the actual demand for dissolved oxygen in the water of the aquaculture pond,And avoid wasting power.一種養殖池用打水車，包含有一載具及一打水裝置，載具係漂浮於水面，在載具之在基座中段上設置有兩相對馬達固定架，以及於基座兩側上各設置有軸承固定架；打水裝置之馬達在轉軸兩端各連接一具有葉輪之傳動軸，在馬達兩側各相對朝下設置有馬達支架，而兩傳動軸各穿置樞接有軸承支架；兩馬達支架與兩馬達固定架各彼此對接設有馬達高度調整結構，以調整設定馬達之中心高度位置，且兩軸承支架與兩軸承固定架各彼此對接設有軸承高度調整結構，以配合馬達調整設定兩傳動軸及葉輪之中心高度位置，而相對能調整控制葉片之打水深度，以配合養殖池實際需要的水中溶氧量，並且避免浪費電力。
