Adjusting structure for arch rib installation

The utility model discloses an adjusting structure for arch rib installation, which comprises a pressure-bearing block and an adjusting support, the pressure-bearing block is fixed on an installation support of an arch rib, a semicircular groove is arranged on the pressure-bearing block, the adjusting support comprises a main steel pipe and two branch pipes, one end of each branch pipe is connected with the main steel pipe, and the other end of each branch pipe is connected with the adjusting support. The other ends of the two branch pipes are connected with a to-be-installed section of the arch rib, an isosceles triangle is formed between the two branch pipes and the to-be-installed section of the arch rib, and the main steel pipe is in running fit with the groove. According to the utility model, the pressure-bearing block and the adjusting bracket are arranged, so that the adjusting bracket and the pressure-bearing block can rotate relative to each other, that is, the to-be-mounted section of the arch rib c