世界最大直径竖井掘进机在郑下线 “河南造”国之重器再上新

Core Insights - The world's largest diameter vertical shaft tunneling machine "Qiming" has been successfully launched in Zhengzhou, marking a significant technological breakthrough in China's tunneling equipment industry [1][2] Group 1: Technological Advancements - "Qiming" features a maximum excavation diameter of 24 meters and a maximum excavation depth of 150 meters, setting records for both categories in the field of vertical shaft tunneling [1] - The machine incorporates innovative technologies such as dual-arm structure, attitude adjustment, and settlement control, enhancing its geological adaptability and precision in guiding operations [1] Group 2: Project Significance - The successful launch of "Qiming" is crucial for the Chongtai Yangtze River Tunnel project, which is a key component of China's "Eight Vertical and Eight Horizontal" high-speed railway network [2] - The machine is designed specifically for the riverbank environment, significantly reducing the construction time for vertical shafts from one year to three months while improving quality and safety [2]