Smoke removing device for road maintenance vehicle

The utility model discloses a smoke dust removal device for road maintenance vehicle, relates to road maintenance technical field, including dolly, lift plate and seal ring, the bottom end of mounting plate is equipped with HEPA filter screen and active carbon filter screen respectively, the both sides inner wall of mounting plate both ends are equipped with return spring, and the one side of return spring is connected with the clamping rod, and the clamping rod is connected with the lifting plate. Clamping grooves matched with the clamping rods are formed in the inner walls of the mounting holes correspondingly, lifting plates are installed at the two ends of one side of the device body correspondingly, moving blocks are installed on the inner sides of the lifting plates correspondingly, an air outlet pipe is connected to the other side of the device body, and an air quality sensor is installed on the outer wall of the air outlet pipe. The extrusion plates on the two sides are extruded towards the inner side