Drainage device for municipal road

The utility model discloses a drainage device for municipal roads, which relates to the technical field of municipal engineering and comprises a shell component with a first pipeline, the top of the first pipeline is fixedly connected with the first pipeline, one side of the outer wall of the first pipeline is fixedly connected with a C-shaped flow measuring pipe, and a cleaning component is arranged in the first pipeline. By arranging the sweeping assembly, when leaves, plastic bags and other small garbage flow into the well lid, the small garbage is finally filtered by the arc-shaped filter screen through water flow, at the moment, the water flow pushes the driving rod to rotate, and the brush sweeps the garbage on the arc-shaped filter screen, so that the garbage is separated from the arc-shaped filter screen, and the arc-shaped filter screen is not blocked by the garbage; and meanwhile, garbage cleaned by the brush can enter the C-shaped flow measuring pipe to be filtered by the filter frame, and the filt