世界最大卷扬式垂直升船机主提升机正式交付

Group 1 - The world's largest hoisting vertical ship lift, the Baise Water Conservancy Project, was officially delivered in Yichang, Hubei, marking a significant achievement in "Chinese intelligence" in the field of vertical ship lifts [1][3] - The Baise Water Conservancy Project is a key node in the national western land-sea new passage construction, designed to accommodate a 2×500-ton fleet and a 1000-ton single ship, with an annual one-way passing capacity of 6.02 million tons [3] - The main hoisting machine, manufactured by China Energy Construction Gezhouba Group Machinery and Shipbuilding Co., has a maximum lifting weight of 10,700 tons and a maximum lifting height of 88.8 meters, surpassing the dimensions of the Three Gorges ship lift [3][4] Group 2 - The main hoisting machine serves as the "power center" of the ship lift, with the critical lifting drum and balance drum having diameters of 4.6 meters, and weights of 160 tons and 280 tons respectively, both being world records [4] - The project team overcame several world-class technical challenges during manufacturing, including the design of an adjustable gas annealing furnace to eliminate welding stress and achieving micron-level precision in processing the lifting drums [4] - The successful delivery of the main hoisting machine is expected to accelerate the implementation of the Baise Water Conservancy Project, facilitating water transport routes from Yunnan to the sea and promoting the development of the "Pearl River-Xijiang Economic Belt" [7]