A tire crane is a mobile crane with a rotating boom that operates on a tire-based undercarriage. It is a fully rotating crane with the lifting mechanism mounted on a special undercarriage consisting of reinforced tires and axles. The upper structure is essentially the same as 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 transport loads at low speeds without using the support legs. It is composed of two parts: the upper section for lifting operations, which includes a rotating boom, hoisting mechanism, telescopic mechanism, counterweight, and turntable; and the lower section, which serves as the support and travel mechanism. The upper and lower sections are connected by a rotating bearing. During lifting operations, it is generally necessary to lower the support legs, increase the support area, and level the crane body to ensure stability.