Anti-collapse device for municipal water supply and drainage construction

The utility model discloses an anti-collapse device for municipal water supply and drainage construction, and relates to the technical field of municipal construction. The protective device comprises a base, a limiting groove is formed in the base, a protective part is arranged in the limiting groove, the protective part is composed of a lower protective part and an upper protective part, the lower protective part is provided with a protrusion and a fixing plate, the fixing plate is provided with a sleeve, the upper protective part is provided with a second fixing plate, the fixing plate is provided with an adjusting column, and a plurality of damping springs are arranged in the protective part. And a supporting plate is arranged on the damping spring. The protection piece and the base are clamped and matched, so that loosening and water leakage at the water pipe connector caused by rotation and displacement of the protection piece on the base due to soil loosening in the later period are avoided; the adjusti