Sound insulation wall based on municipal road

The utility model discloses a soundproof wall based on municipal roads in the technical field of municipal engineering, which comprises a soundproof wall body, the top of the soundproof wall body is movably connected with an upper fixing plate, the bottom of the soundproof wall body is movably connected with a lower fixing plate, and the left side of the lower fixing plate is provided with a screw groove. The upper fixing plate is movably connected with a fixing screw rod, a threaded sleeve is fixedly connected between the upper fixing plate and the lower fixing plate, and the threaded sleeve is matched with the fixing screw rod. The defect that an enclosing wall for municipal engineering in the prior art is poor in sound insulation function is overcome, the sound insulation wall bodies are conveniently spliced by arranging the fixing screws and the threaded sleeves, when individual sound insulation wall bodies are damaged, the sound insulation wall bodies can be conveniently replaced for secondary installati