装备“瘦了身”，效益“增了肥”——轻量化之风劲吹日照港

Core Insights - The launch of the fully automated container terminal at Shandong Port Rizhao marks a significant advancement in port automation technology, featuring the new generation of lightweight automated gantry cranes [1] - The new gantry cranes have reduced their main beam size from 3 meters to 2 meters, resulting in a weight reduction of 70 tons per unit, which translates to over 20% decrease in overall weight and more than 15% reduction in energy consumption [1][5] - The implementation of these cranes is expected to enhance operational efficiency and reduce costs, with a manufacturing cost saving of over 1 million yuan per unit and a lifecycle savings of 2 million yuan [5] Technological Advancements - The new gantry cranes utilize a composite structure design that combines a main beam with tension and compression rods, achieving a deflection ratio of 1/2400, ensuring strength while significantly reducing weight [5] - The equipment has achieved over 95% localization in its electrical control systems and key components, eliminating reliance on imported parts and significantly improving supply chain efficiency [9] - Innovations such as liquid cooling multi-drive technology and a lubrication-free system have been introduced, reducing operational energy consumption and maintenance costs by 40% [9] Operational Impact - The new cranes will increase the stacking capacity by over 7,000 TEUs, significantly enhancing the automation ratio of yard operations [9] - The company aims to integrate lightweight and intelligent technologies to optimize port operations, moving towards a more digital, intelligent, and green low-carbon "fifth-generation port" [9]