Aquaculture oxygen supply device

The utility model discloses an oxygen supply device for aquaculture, which belongs to the technical field of oxygen supply for aquaculture and comprises a supporting bottom plate and two connecting blocks, a supporting plate is fixedly connected to the top of the supporting bottom plate, a first groove is formed in the supporting plate, a first servo motor is fixedly connected to the inner wall of the first groove, and a second servo motor is fixedly connected to the inner wall of the first servo motor. An output shaft of the first servo motor is fixedly connected with a threaded column, and the surface of the threaded column is in threaded connection with a threaded sleeve. The device has the beneficial effects that a first servo motor is arranged, the first servo motor works, and an output shaft of the first servo motor can drive a threaded column to rotate, so that a threaded sleeve can be driven to move up and down, a supporting frame can be driven to move up and down, and a connecting plate and a connect