Reinforcing and supporting device for circular reinforcement cage

The utility model discloses a reinforcing and supporting device for a circular reinforcement cage, which belongs to the field of reinforcement cages, and comprises a circular reinforcement cage body, the circular reinforcement cage body comprises a plurality of outer ring reinforcements, inner ring reinforcements and a plurality of groups of segmental reinforcements, the outer ring steel bars are arranged on the outer sides of the multiple sets of section steel bars in a vertical array distribution mode, the inner ring steel bars are arranged on the inner sides of the multiple sets of section steel bars in a vertical array distribution mode, and the inner ring steel bars are arranged on the inner sides of the outer ring steel bars. The arc-shaped frames and the lengthened arc-shaped sleeves on the two sides of the supporting strips are clamped on the outer sides of the outer ring reinforcing steel bars and the inner ring reinforcing steel bars at the same height, the supporting strips are clamped and fixed, t