Anti-blocking device for road drainage

The utility model relates to the technical field of road drainage anti-blocking, and discloses a road drainage anti-blocking device which structurally comprises a drainage well, a well lid is installed at the top of the drainage well, a filter screen and a hinged support are fixedly installed on the side wall of the drainage well, and the drainage well is movably connected with a filter plate through the hinged support. A torsional spring is mounted between the filter plate and the hinged support, a groove is formed in the top surface of the filter plate, a mounting groove is formed in the side wall of the deposition bin, and a motor is fixedly mounted on the bottom surface in the mounting groove. According to the anti-blocking device for road drainage, impurities in water are filtered through the filter screen and the filter plate, when too many impurities are accumulated, the filter plate rotates around the hinged support under the action of the gravity of the impurities, the impurities fall into the deposi