High-rise freight trolley

The utility model discloses a high-rise freight trolley, which belongs to the field of cargo trucks and is characterized in that universal wheels are symmetrically arranged on the front side of the lower part of a bottom plate, a support rod is arranged on the rear side of the upper surface of the bottom plate, lower support plates are symmetrically arranged at two ends of the rear side of the lower surface of the bottom plate, and a triangular plate is mounted between the two lower support plates through a pin shaft; rollers are evenly installed at the ends of the triangular plates through pin shafts, ratchet wheels are installed on the inner side surfaces of the lower supporting plates through pin shafts, the ratchet wheels and the triangular plates are coaxial, sliding grooves are formed in the upper portions of the inner sides of the lower supporting plates, and a pressing plate is slidably installed between the two sliding grooves. The trolley can control the triangular plate to rotate in any direction i