Damping and anti-noise device for municipal steel grating

The utility model discloses a damping and anti-noise device for a municipal steel grating, which relates to the field of steel gratings and comprises a support column, a cross rod is inserted into the support column, a plurality of rotating shafts are inserted into the inner side of the cross rod, dust-proof sound-proof plates are arranged on the outer sides of the rotating shafts, and connecting rods are arranged on the outer sides of the top end and the bottom end of the support column. Damping blocks are arranged on the outer sides of the connecting rods, and bottom cross arms are inserted into the inner sides of the bottoms of the supporting columns. By using the locking knob, the position of the fixing block in the sliding groove can be fixed and slid, then the position of the angle adjusting rod is adjusted and fixed, by using the angle adjusting rod, the angle of the dust and sound insulation board can be rapidly controlled and adjusted so as to cope with overlarge wind impact, noise and dust pollution