Material conveying device for road and bridge construction

The utility model relates to the technical field of road and bridge construction, and discloses a material transportation device for road and bridge construction, which comprises a vehicle seat, wheels movably connected to a chassis of the vehicle seat, a supporting column fixedly connected to the top of the vehicle seat, a supporting component movably connected to the outer wall of the supportingcolumn, and a hand push frame fixedly connected to the right side surface of the vehicle seat, a positioning plate is movably connected to the top of the supporting column, a limiting component is fixedly connected to the interior of the positioning plate, the supporting component comprises a supporting plate, a supporting frame and a supporting spring, and the top of the supporting plate is fixedly connected with the bottom of the supporting frame. The construction site trolley solves the problems that an existing construction site trolley is adopted for transporting materials for road and bridge construction, but t