Coaxial bidirectional agitating device for offshore fracturing fluid continuous mixing device

The utility model relates to a coaxial bidirectional agitating device for an offshore fracturing fluid continuous mixing device. The coaxial bidirectional agitating device is characterized by comprising an agitating tank and a plurality of agitators, wherein the agitators are uniformly and fixedly arranged in the agitating tank around the central shaft at intervals. Each agitator comprises an upper motor and a lower motor, an upper transmission shaft and a lower transmission shaft, an upper agitating blade and a lower agitating blade, and a shaft coupler; the upper motor and the lower motor are respectively and fixedly arranged on an upper cover plate and a lower cover plate of the agitating tank; the upper end of the upper transmission shaft and the lower end of the lower transmission shaft are respectively and fixedly connected with power output ends of the upper motor and the lower motor; the lower end of the upper transmission shaft and the upper end of the lower transmission shaft are connected by the sh