Trolley for replacing continuous casting tundish nozzle

The utility model discloses a trolley for replacing a continuous casting tundish nozzle. The trolley includes a trolley frame device. The trolley frame device comprises an underbed and an upper trolley frame. The two ends of the underbed are provided with traveling wheel spindles. The two ends of each traveling wheel spindle are provided with traveling wheels. The upper trolley frame is fixed to the underbed. The upper end of the upper trolley frame is connected with a riding wheel bracket, a riding wheel is arranged on the riding wheel bracket and is in an inwards concave cylinder shape, and the riding wheel is fixed to the riding wheel bracket through a riding wheel installation bolt and a riding wheel bushing. The trolley for replacing the continuous casting tundish nozzle is simple in structure, convenient to use and capable of adapting to an on-site working environment, shortening manual replacement time, improving replacement efficiency, increasing the installation position accuracy of the nozzle and reducing potential safety hazards during on-site construction; as the trolley is provided with the adjustable riding wheel bracket, the direction of the riding wheel can be finely adjusted, in this way, the nozzle can be quickly replaced, and the replacement efficiency is improved.