Cantilever arch ring and stiff skeleton combined structure based on large-span arch bridge

The utility model discloses a cantilever arch ring and stiff skeleton combined structure based on a large-span arch bridge, which comprises cantilever arch rings symmetrically arranged on left and right skewbacks of the large-span arch bridge, each cantilever arch ring comprises a splicing type steel reinforcement framework, concrete is wrapped outside the splicing type steel reinforcement framework, an opening section is reserved on a midspan arch crown of the two cantilever arch rings, and the opening section is connected with the splicing type steel reinforcement framework. The steel reinforcement frameworks at the opening ends of the two cantilever arch rings are exposed connecting sections, stiff frameworks are arranged at the opening sections, and the two ends of the stiff frameworks are connected with the connecting sections of the two cantilever arch rings through embedded connecting joints respectively. According to the utility model, by arranging the pre-embedded connector, a reliably connected comb