Environmental protection type civil air defense terrace connection compensation cover for urban building transformation

The utility model belongs to the technical field of urban building reconstruction, and provides an environmental protection type civil air defense terrace connection compensation cover for urban building reconstruction, which comprises an explosion-proof floor drain and a terrace connection compensation cover, a cover plate of the floor connection compensation cover is connected with a steel sleeve in a clamping and pressing mode, the cover plate is provided with a grate, a wing ring is welded to the steel sleeve, angle steel is welded to the steel sleeve, the steel sleeve is fixed to the surface of a reinforced concrete structure bottom plate through expansion bolts, and a floor surface layer is poured after the steel sleeve is stable and errorless. According to the environmental protection type civil air defense terrace connection compensation cover for urban building reconstruction, the grate is additionally arranged on the cover plate, so that maintenance and management of an anti-explosion floor drain at