Anti-radiation through-wall small pipeline hole reserving and pre-burying structure

The utility model discloses an anti-radiation through-wall small pipeline hole reserved pre-buried structure which comprises a pre-buried pipeline, a connecting sleeve and a split bolt used for erecting a concrete pouring formwork. The connecting section is obliquely arranged between the two concrete pouring formworks, the two parallel sections are fixedly installed at the two ends of the connecting section in parallel and communicate with the connecting section, openings facing the concrete pouring formworks are formed in the ends, close to the connecting section, of the two parallel sections correspondingly, and the connecting sleeves are arranged at the openings; the opposite-pull screw rod comprises an embedded part and a detachable part, the embedded part is fixedly mounted at the first end of the connecting sleeve, the detachable part is detachably mounted at the second end of the connecting sleeve, and the detachable part is inserted into the parallel section through the opening. The embedded pipelines