Mounting and fixing device for cold insulation material

The utility model relates to the technical field of cold insulation materials, in particular to a cold insulation material mounting and fixing device which comprises a hoop, the hoop comprises a semicircular upper hoop and a semicircular lower hoop, semicircular through grooves are formed in the end faces of the two ends of the upper hoop, a semicircular upper sealing edge is fixed in one through groove, and a semicircular lower sealing edge is fixed in the other through groove. Semicircular through grooves are also formed in the end faces of the two ends of the lower clamp, a semicircular lower sealing edge is fixed in the through groove, located on the same side as the upper sealing edge, of the lower clamp, and the lower sealing edge and the upper sealing edge are matched to form a cylinder shape; the hoops are used in a pairwise matched mode, and the ends, provided with the upper sealing edges and the lower sealing edges, of the hoops are matched with the through groove ends, not provided with the upper s