Noise control device for viaduct

The invention discloses a viaduct anti-noise device and belongs to the field of anti-noise devices.The viaduct anti-noise device comprises a base, a plurality of sets of fixing frames distributed in a linear array mode are arranged at the top end of the base, stand columns are fixedly installed at the top ends of the fixing frames, the number of the stand columns in the same set is two, the stand columns are oppositely attached, and the fixing frames and the base are fixed through first bolts; an anti-noise plate is arranged between every two adjacent stand columns, sliding blocks are fixedly installed on the two sides of each anti-noise plate, and sliding grooves matched with the sliding blocks in the same set are formed in the opposite sides of every two adjacent stand columns. A reinforcing assembly is arranged between the back side of the anti-noise plate and the base. Through the arrangement of the reinforcing assembly, the effect of supporting and stabilizing the anti-noise plate is achieved, the effect