Convenient-to-install arc-shaped U steel for material transporting trolley

The utility model discloses a convenient-to-install arc-shaped U steel for a material transporting trolley, which comprises a framework, a mounting assembly and a reinforcing assembly, the mounting assembly is composed of mounting sleeves, arc-shaped U steel pipes, mounting seats, limiting columns, limiting cavities, limiting pieces and guide blocks, the mounting sleeves are symmetrically welded on the inner side of the framework, the arc-shaped U steel pipes are inserted in the mounting sleeves, and the reinforcing assembly is connected with the arc-shaped U steel pipes. And the limiting column sequentially penetrates through the framework, the mounting base and the arc-shaped U-shaped steel pipe, a limiting cavity is formed in the limiting column, a limiting piece is mounted in the limiting cavity, and a guide block is mounted at the bottom of the limiting column. The arc-shaped U-shaped steel pipe can be conveniently and rapidly mounted and dismounted through the mounting assembly and the adjusting limitin