Inverted arch steel bar pre-bending rack

The utility model discloses an inverted arch steel bar pre-bending rack, which relates to the technical field of steel bar pre-bending processing, and comprises a bedplate, the bottom of the bedplate is fixedly connected with three supporting legs, the top of the bedplate is provided with a plurality of sleeves, a reinforcing rib A is fixedly connected between every two adjacent supporting legs, a reinforcing rib B is fixedly connected between every two adjacent reinforcing ribs A, and the sleeves are arranged on the bedplate. Walking wheels are movably installed at the bottoms of the supporting legs. According to the inverted arch steel bar pre-bending rack, the sleeves serve as control points for controlling the radian, the pre-bending assemblies can be arranged at the two ends of each steel bar, only three persons need to gradually push the steel bars to the sleeves to be tightly attached to the last sleeve, the radian of the improved inverted arch steel bars meets the design requirement, the thickness of