Multipurpose trolley platform

The utility model discloses a multipurpose trolley platform in the technical field of material transportation. The trolley comprises a trolley platform and a trolley handle, four groups of mounting sleeves are uniformly mounted on the side wall of the cart platform; an axle is rotationally matched with an inner cavity of the mounting sleeve; the axle comprises a connecting shaft, a three-wheel shaft and a single-wheel shaft; a single wheel sleeves the outer wall of the single wheel shaft; the connecting shaft is rotationally matched with the mounting sleeve; three groups of fixing sleeves arefixedly mounted on the outer wall of the three-wheel shaft; a sliding rod is in sliding fit in the fixed sleeve; a small wheel part is movably mounted at the other end of the sliding rod; springs arefixedly mounted at the bottoms of the sliding rods; the bottom end of the spring is fixedly connected with the bottom of the fixing sleeve; insertion pieces are arranged in an inner cavity of the axleand comprise the front ins