Tunnel grid steelframe mold processing

The utility model provides a tunnel grid steelframe mold processing, includes angle steel support, location steel sheet, screw hole, angle steel, main reinforcement, U type muscle, bracket, positioning channel section, wherein: four curved main reinforcements are a set of, the both ends and the angle steel welding of four curved main reinforcements, the threaded hole of angle steel upper band, the location threaded hole of steel sheet upper band, angle steel and location steel sheet bolted connection, location steel sheet and angle steel leg joint, between four curved main reinforcements, the adjacent welding between two has U type muscle, has positioning channel section on the bracket, and positioning channel section and welding are passed to the middle part of four curved main reinforcements, 3 connect into cyclic annular tunnel grid steelframe mold processing structure between four curved main reinforcements in-10 groups in order. The utility model discloses an advantage: the dimensional deviation is little, need not to do over again, rectify, and the process velocity is fast, and great improvement efficiency of construction has reduced a series of troubles that steel grating mass defect was brought.