A wheel-mounted crane is a rotating crane that uses a wheel-based chassis for movement. This type of crane features a heavy-duty tire and axle chassis on which the lifting mechanism is mounted, making it a full-circulation crane. Its upper structure is similar to that of a crawler crane. To ensure stability during installation, the crane is equipped with four telescopic support legs. On flat ground, it can perform light lifting operations and low-speed transportation without the use of support legs. It consists of two parts: the upper section for lifting operations, which includes a boom, hoisting mechanism, telescopic mechanism, counterweight, and turntable; and the lower section for support and movement. The upper and lower sections are connected by a swivel bearing. When lifting, it is usually necessary to lower the support legs, increase the support surface area, and level the crane body to ensure stability.