The “mechanical supported by vacuum” collection system is based on brooms conveying the dirt towards the cleaning path in the central area of the machine. The central cylindrical broom loads it on a mechanical vane elevator by rotating in the opposite direction of the sweeper; the dirt is then unloaded inside the waste container. The total dust suppression is obtained through the combination of the above system with the depression inside the container generated by a powerful suction fan. This action ensures the maximum cleaning effect on the entire sweeper cleaning path. A series of filters located inside the waste container filter the air before releasing it in the atmosphere. This system allows the collection of bulky material at high sweeping speed as well, and, unlike vacuum sweepers based on the suction system only, the use of water on the brooms is minimized or eliminated completely.