我国自主研制的全球最大直径竖井掘进机"启明号"1月13日正式始发。 这台2025年研制成功的新产品，一改传统盾构机只能横着挖的局限，可实现垂直向下挖掘，弥补了传统 竖井施工效率低、风险大的短板。 盾构机，被誉为"工程机械之王"。习近平总书记在中铁工程装备集团有限公司考察时强调："推动中国 制造向中国创造转变、中国速度向中国质量转变、中国产品向中国品牌转变。" 如今，我国盾构产业呈现市场规模持续扩张、技术能力显著提升、国际化步伐不断加快等特征。全球每 10台盾构机就有7台来自中国，中国盾构机核心部件国产化率超90%。 高效开挖、样样在行，国产盾构技艺高超。 河南能源焦煤中马村矿，一场革新正悄然展开。 从高空俯瞰，"启明号"如同一只巨大的"八爪鱼"，稳稳撑起整个竖井。2个截割机械臂深入水下，实现 高效开挖。 只见"焦煤号"掘进机犹如一只灵活的蚯蚓，在地下掘出迷宫式的岩巷。即使面对强度超140兆帕的极硬 岩石，"焦煤号"的"铁齿铜牙"也能轻松"啃下"。 作为一名全能型选手，"焦煤号"同时具备前进、爬坡、小直径拐弯等能力，创造了单月掘进606米的优 异成绩。 "'焦煤号'的成功研制，为大断面、大倾角、高应力等复杂地质 ...

Group 1 - The Wuhan Metro Line 10 Phase I project has successfully commenced the shield tunneling with the "Tongtu" shield machine, which has a diameter of 13.28 meters [1] - The total length of the Wuhan Metro Line 10 Phase I is 19 kilometers, featuring 8 underground stations, with the key control section being the 3064-meter river-crossing segment [1] - The river-crossing section requires high settlement control, with a maximum depth of approximately 45.08 meters and a length of about 1700 meters under the Yangtze River [1] Group 2 - The "Tongtu" shield machine weighs around 3000 tons and is 140 meters long, equipped with a pressure-changing blade replacement function and a retractable main drive for safe operation in high-risk strata [2] - The shield machine incorporates advanced soil pressure shield technology, featuring a spiral conveyor and a high-pressure flushing system to enhance excavation efficiency and adaptability [2] - The machine is fitted with diamond-coated high-hardness cutter heads and multiple intelligent systems for real-time monitoring of construction status, ensuring safe and efficient tunneling in complex geological conditions [2]

Core Viewpoint - The article highlights the advancements in China's shield tunneling technology, showcasing the development of various types of shield machines capable of multi-directional excavation, which enhances efficiency and expands application scenarios in infrastructure projects. Group 1: Innovations in Shield Machines - The "Pati Galang" shield machine, with a diameter of 15.7 meters, is set to be exported to Australia, marking it as China's largest diameter shield machine for export [1] - The "Linghang" shield machine operates with a "manned supervision, unmanned operation" approach, demonstrating advanced automation in tunneling [1][15] - The "Yongning" shield machine is the world's first large-diameter machine capable of climbing steep slopes, achieving a maximum monthly excavation of 332 meters and a daily record of 22.75 meters [4] Group 2: New Excavation Directions - Shield machines can now perform various excavation directions, including horizontal, vertical, and inclined digging, which were previously limited to horizontal operations [2][3] - The "Zhongtie 1285" machine has successfully completed tasks involving long-distance downhill excavation at a 15-degree angle, showcasing its capability to navigate complex geological conditions [5] Group 3: Expanding Applications - The use of shield machines is expanding beyond traditional transportation infrastructure to include water conservancy, hydropower, mining, urban utility tunnels, and parking garages [8] - The "Dream" shield machine is being used for vertical excavation in a smart underground parking project in Shanghai, validating the feasibility of vertical tunneling methods [6] Group 4: Technological Advancements - Each new shield machine represents significant technological innovations, such as the "Yongning" machine's climbing mechanism inspired by the structure of a mountain-climbing tiger [9] - The "Zhongtie 1361" machine employs innovative designs for vertical drilling, achieving a single-pass excavation of a 7-meter diameter shaft to a depth of 311 meters [7] Group 5: Market Trends and Demand - The demand for larger diameter shield machines is driven by the need for more efficient underground space utilization, allowing for multi-functional installations within a single tunnel [12] - The advantages of large-diameter tunnels include reduced construction costs and minimized environmental impact compared to traditional bridge solutions [12] Group 6: Challenges in Manufacturing - The manufacturing of shield machines with diameters exceeding 15 meters presents significant challenges, including increased geological risks and the need for advanced materials and designs [13] - The development of the first domestically produced 15-meter shield machine in 2017 marked a significant milestone in breaking foreign monopolies in this technology [13] Group 7: Future Directions - The industry is focusing on making shield machines smarter and greener, with the "Zhongtie 1237" being the world's first green shield machine, which has been recognized internationally [16] - Future efforts will concentrate on achieving larger diameters, faster speeds, and deeper excavations while enhancing the overall technology of shield machines [16]