Length-adjustable dustproof grid retaining wall for constructional engineering

The invention discloses a length-adjustable dustproof grid retaining wall for constructional engineering, and relates to the technical field of constructional engineering, the length-adjustable dustproof grid retaining wall comprises a telescopic rod, lifting mechanisms are arranged at the two ends of the telescopic rod, a hook mechanism is movably connected to the surface of the telescopic rod, and a dustproof blocking device is fixedly connected to the surface of the hook mechanism; the dustproof blocking equipment comprises a dust falling assembly, a blocking mechanism and a lighting assembly, and has the advantages that the two ends of the inner wall of a first mounting box are connected with one end of a telescopic column, and the inner wall of a second mounting box is connected with the other end of the telescopic column, so that the lengths of dustproof cloth and an iron gauze can be extended; the dustproof blocking equipment can effectively prevent dust and block a construction site according to the c