Emergency discharging device of high-speed mixer

The utility model provides a high-speed mixer emergency discharging device which comprises a discharging conveying belt body, a movable base is fixedly connected to the bottom face of the discharging conveying belt body, universal wheels are installed at the four corners of the bottom face of the movable base, limiting mechanisms are arranged on the movable base and correspond to the universal wheels, and the limiting mechanisms are used for limiting the universal wheels; the limiting mechanism comprises a limiting frame, the limiting frame is movably inserted into the movable base, the limiting frame is provided with a first station and a second station, when the limiting frame is located at the first station, the limiting frame is located above the universal wheels, and when the limiting frame is located at the second station, the limiting frame covers the universal wheels; the adjusting assembly is used for adjusting the limiting frame to the first station or the second station; the locking assembly is use