Length-adjustable metal artwork hanger

The utility model relates to a length-adjustable metal artwork hanger which comprises a base, universal wheels are arranged at the bottom of the base, an electric telescopic rod is connected to the top of the base, a protection groove is fixedly formed in the top of the electric telescopic rod, storage hangers are arranged on the two sides of the protection groove, and each storage hanger comprises a connecting plate. A clamping block is arranged on one side of the top of the connecting plate, the clamping block is clamped to the side wall of the protection groove, a plurality of storage net grooves are formed in one side of the connecting plate, a connecting rod is arranged at the bottom in a cavity of the protection groove, a limiting block is arranged on the connecting rod, and a sleevemovably connected to the connecting rod in a sleeving mode is arranged on the limiting block; a plurality of hanging rods are arranged on the outer wall of the sleeve, each hanging rod is formed by connecting a plurality of