Continuous casting integral type water gap centering structure

The utility model relates to the technical field of steelmaking, in particular to a continuous casting integral water gap centering structure which comprises a tundish and a tundish rack, and the tundish is arranged on the tundish rack. The tundish comprises a tundish body and tundish lifting lugs, the tundish lifting lugs are fixedly installed on the two sides of the tundish body through connecting rods, and an integral submersed nozzle is formed in the bottom of the tundish body. A centering guide rail is detachably installed at the bottom of the tundish rack, centering positioning holes are formed in the two sides of the centering guide rail, and the laser gradienter is arranged on the centering guide rail in a sliding mode. The centering guide rail is detachably installed at the bottom of the tundish rack, the centering positioning holes are formed in the two sides of the centering guide rail, the laser gradienter is arranged on the centering guide rail in a sliding mode, positioning is conducted through