Pipeline insulation flame-retardant cold insulation support

The utility model discloses a pipeline insulation flame-retardant cold insulation support, and belongs to the technical field of pipeline engineering installation. A steel support comprises an upper pipe clamp, a lower pipe clamp, a connecting bolt, a nut, a base stud plate and a bottom plate, a lower semicircular axial force bearing ring and an axial warped plate are arranged on a pipeline, an axial sector baffle and an axial warped baffle are arranged in an inner cavity of the lower pipe clamp of a pipe seat, and an upper heat insulation block and a lower heat insulation block group are arranged in cavities among the pipeline, the upper pipe clamp and the lower pipe clamp and among the force bearing ring, the sector baffle, the axial warped plate and the axial warped baffle. In order to improve the axial carrying capacity of the support, an upper semicircular axial force bearing ring is additionally arranged on the pipeline, an axial sector baffle is additionally arranged in an inner cavity of the upper pip