Steel bar positioning structure

The utility model discloses a steel bar positioning structure, which relates to the technical field of building construction and comprises two connecting plates, two fixing blocks arranged at the tops of the two connecting plates, two auxiliary lantern rings arranged at the other ends of the two fixing blocks, two positioning blocks arranged at the bottoms of the two connecting plates, and two main lantern rings arranged at the other ends of the two positioning blocks. An adjusting device is arranged in the positioning block and comprises an adjusting ring, two rotating columns are arranged in the middle of the adjusting ring, two limiting discs are symmetrically arranged at the two ends of the adjusting ring, a shifting rod is shifted, the shifting rod drives an eccentric disc to rotate around a short column, and therefore the eccentric disc is separated from the outer side of the positioning block. The two limiting discs are separated from the adjusting ring, the shifting rod is rotated, and the shifting ro