Pipeline heat preservation structure

The utility model relates to the technical field of pipeline protection, and discloses a pipeline heat preservation structure which comprises a pipeline sample, a heat preservation plate is arranged on the outer wall of the pipeline sample, a heat preservation assembly is arranged on the outer wall of the heat preservation plate, a round hole is formed in the outer wall of the pipeline sample, and a sealing detection device is fixedly assembled on the outer wall of the pipeline sample. According to the pipeline heat preservation structure, the outer wall of a pipeline sample is sleeved with the shell, the steel belt is pulled through external force, the lock head makes contact with the inner wall of the groove, installation is easy and convenient, the thickness of the first rubber and plastic plate and the thickness of the second rubber and plastic plate are about half of the thickness of other heat preservation materials, and the heat preservation effect is good. The heat preservation plate, the first rubber