High-speed bridge drainage device for municipal engineering

The utility model discloses a high-speed bridge drainage device of municipal engineering, which is used for efficiently draining accumulated water of a high-speed bridge and comprises a drainage tank and a crushing device, a left groove is arranged on the inner wall of the left side of the drainage tank, and a right groove is arranged on the inner wall of the right side of the drainage tank. The smashing device comprises a left roller and a right roller, a left auxiliary roller is arranged at the left end of the left roller, a right auxiliary roller is arranged at the right end of the right roller, the left auxiliary roller is connected with a left supporting rod, the lower end of the left supporting rod is connected with a center shaft of the left auxiliary roller, the right auxiliary roller is connected with a right supporting rod, and the lower end of the right supporting rod is connected with a center shaft of the right auxiliary roller. The crushing device crushes and grinds sundries and rocks twice to f