Soil and stone excavation dustproof device based on building construction

The utility model discloses a building construction-based earth and stone excavation dustproof device, which comprises a base, a first fixed frame and a second fixed frame are respectively hinged on the outer wall of the top of the base, a dustproof net is arranged on the side wall of the first fixed frame, a vertical plate is welded on the outer wall of the top of the base, and a buffer component is hinged on the side wall of the vertical plate. Through the arrangement of the first fixing frame, the second fixing frame, the dustproof net, the cleaning plate and the brush, the first fixing frame and the second fixing frame are mutually clamped and spliced, the dustproof net intercepts dust, the cleaning plate drives the brush to move up and down, the surface of the dustproof net is cleaned, and the situation that the dustproof net is blocked due to the fact that the dustproof net is used for a long time is prevented; and through arrangement of telescopic columns, fixing cylinders and springs, when the wind po