Guide section device of square billet continuous casting machine

The utility model relates to a guide section device of a square billet continuous casting machine, belonging to a continuous casting machine system and aiming to solve the problems of the guide section device of the existing continuous casting machine that the service life of the guide roller is short and the guide section device cannot be removed and installed easily. The guide section device comprises a guide roller base and a guide roller, the guide roller base is fixed on a structural platform, and the guide roller is assembled on the guide roller base. The guide section device is characterized in that the guide roller comprises a water-cooled bearing seat, a roller bearing, a roller and a rotating connector, the roller is arranged on the water-cooled bearing seat through the roller bearing, a water-cooled channel is arranged in the roller, and the rotating connector is arranged at one end of the roller and is communicated with the water-cooled channel. Since the water-cooled structure is adopted in the g