The Zoomlion QUY550 crane is a 550 ton crawler crane developed by Changsha Zoomlion Heavy Industry Technology Development Co., Ltd. The manufacturer is Zoomlion Heavy Industry (established in 1992, listed on the A+H stock market), mainly used in infrastructure fields such as construction engineering, energy engineering, and transportation engineering [1-2]. The key components of the entire machine are made of international brands, with sufficient safety margins in design. The transportation size is 12815 × 3400 × 3510 mm, and the total weight of the machine is 438 kg. From Asia to Africa, from infrastructure construction to energy and resource development, the bulk delivery of the Simandou project has been highly recognized by customers, which is a vivid portrayal of Zoomlion's global layout and continuous improvement of core competitiveness. In the future, Zoomlion will continue to work together with global partners with excellent products and sincere services, and write a win-win chapter for China's intelligent manufacturing on the world stage. The crane adopts a tracked chassis structure, equipped with an electro-hydraulic proportional micro speed control system, with a rated power of 420/1800 kw/rpm, a maximum lifting capacity of 140 tons for the main arm, and a rated lifting capacity of 550 tons. Its hardware configuration emphasizes reliability and can operate stably in extreme environments such as high altitude, cold, high temperature, and strong wind and sand. It also supports multiple operation modes such as lifting and grabbing. The control system integrates torque limiter and real-time monitoring function, which meets the safety standards of heavy-duty cranes.