Prefabricated box girder bottom plate main reinforcement passing guide device

A prefabricated box girder bottom plate main rib penetrating guide device is characterized in that a first main beam and a second main beam are welded to the two ends of a first supporting plate and the two ends of a second supporting plate respectively, and a first L-shaped limiting block and a fourth L-shaped limiting block are installed on the first main beam and the second main beam respectively; a third L-shaped limiting block and a sixth L-shaped limiting block are respectively mounted on the first main beam and the second main beam; a plurality of second L-shaped limiting blocks are respectively arranged on the first main beam between the first L-shaped limiting block and the third L-shaped limiting block at equal intervals; a plurality of fifth L-shaped limiting blocks are respectively arranged on the second main beam between the fourth L-shaped limiting block and the sixth L-shaped limiting block at equal intervals; shaft heads at the two ends of the first guide roller deviceare installed on the firs