Lightweight concrete fixing structure

The utility model discloses a lightweight concrete fixing structure, which relates to the technical field of lightweight concrete fixing structures and comprises a base, an assembly plate, an assembly rod, a connecting rod, a support frame and a lightweight concrete layer. The base comprises a concrete base layer and a foundation cushion layer; the assembling plate is of a boss-shaped structure, and four splicing holes are formed in the four corners of the assembling plate. Splicing openings are formed in one sides of the assembling plates, splicing blocks are arranged on the other sides of the assembling plates, assembling rod fixing holes are formed in the splicing blocks, and the assembling plates are mutually spliced in the length direction and the height direction of the base through the splicing holes; one end of the assembly rod is slidably connected with the assembly rod fixing hole, and the other end of the assembly rod is bound and fixed with the connecting rod through a rolling belt; one end of the