China’s shield machine technology

How Far Has China’s Shield Machine Technology Developed

China has made remarkable achievements in the development of shield machine technology. China has become a global leader in shield machine technology, having once been controlled by European and American countries and now making a successful comeback.

In terms of technology, China’s shield machines have achieved a leap from nothing to something, and from something to excellence. Not only has it successfully developed a shield machine with independent intellectual property rights, but it has also reached the world’s leading level in intelligence and automation, such as realizing a construction mode with intelligence as the main and manual labor as the auxiliary. In terms of performance, domestic shield machines have made continuous breakthroughs. For example, the “Jinghua” shield machine successfully passed through the Beijing Urban Sub-Center Station Comprehensive Transportation Hub Project and other special risk sources, demonstrating its strong construction capabilities. In terms of the market, Chinese shield machines occupy 70% of the global market. Seven out of every ten shield machines in the world come from China. Products are sold to many countries and regions around the world, and exported to 21 countries and regions.

China’s shield machine technology is not only widely used in large-scale engineering construction such as subways and tunnels in China, such as the Beijing subway and Qinling Tunnel, but has also been successfully exported to more than 20 countries including Singapore, Malaysia, the United Arab Emirates, and Algeria, and has strong competitiveness in the international market. China’s shield machine technology is constantly innovating and developing, and will be applied and promoted in more fields in the future, contributing China’s strength to global infrastructure construction.

The intelligent development level of China’s shield machine technology

China’s shield machine technology has made remarkable achievements in intelligence. Nowadays, the shield machine not only has great strength, but also has ‘great wisdom’. For example, the ‘Pilot’ shield machine is equipped with leading intelligent systems such as intelligent digging and intelligent assembling, and is capable of realising driverless and assisted driving in parallel. A shield machine has more than 20,000 parts and components, and the control system is complex, while intelligence and automation have become the direction of development. Many new shield machines are equipped with tunnel intelligent construction system, with ‘super brain’ of intelligent analysis and independent judgement, as well as domestic leading intelligent and innovative technologies such as intelligent tunneling, intelligent assembling, over-advanced geological forecasting, shield tail sealing safety early warning, and online monitoring of equipment status. China’s latest shield products have been continuously upgraded in terms of intelligence, and the level of intelligence in the production process has also been gradually improved.

Market share of China’s shield machines

China’s shield machine occupies an important position in the global market. At present, the share of shield machines produced in China has reached nearly 70% of the global market share. The shield machine products of China Railway Construction Heavy Industry Group and other enterprises have been exported to more than 40 countries and regions around the world, including Thailand, Vietnam, Singapore and Sri Lanka. From the beginning of this year, enterprises have received a large number of equipment orders from Italy and other countries. Not only that, Henan produced shield machine products in the first two months of this year, the total value of exports increased significantly, the global market share of domestic shield machine continues to climb. With innovative technology, excellent quality and high-quality service, China’s shield machine has won wide recognition in the international market.

rail sleeper

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Breakthrough results in Chinese shield machine performance

China’s shield machine performance is constantly breaking through. From once being subjected to European and American countries, it has now successfully reversed the trend and made the leap from nothing to something and from something to something excellent in terms of technology. Not only have we successfully developed shield machines with independent intellectual property rights, but we have also reached the world’s leading level in terms of intelligence and automation. For example, the ‘Jinghua’ shield machine has successfully penetrated through the Beijing Urban Subcentre Station Comprehensive Transportation Hub Project and other extra-risk sources, demonstrating its strong construction capability. The main bearing of the shield machine with a diameter of 8.61 metres, which was independently developed by China, came off the production line, marking a major breakthrough in the development of domestically produced super-large-diameter main bearings. In addition, the shield machine has continuously demonstrated strong adaptability and reliability in dealing with various complex geological conditions and construction environments.

Competitiveness of Chinese shield technology in the international market

Chinese shield tunnelling machines have strong competitiveness in the international market. China’s shield machine focuses on intelligent technology and cost-effectiveness, adapts to various geological conditions, incorporates humanistic care and unique design concepts, and also provides integrated services such as equipment operation training, after-sales service, and construction guidance. In terms of price, Chinese products have a huge advantage over shield machines from Germany and other countries. For example, a shield machine from Germany costs about 50 million US dollars, while one from China costs only 25 million US dollars. The technical strength, service capability and price advantage of Chinese shield machines have enabled them to occupy a mainstream position in the international market.

To sum up, China’s shield machine technology has made remarkable achievements in intelligent development, market share, performance breakthroughs, domestic engineering applications and international market competitiveness. From once relying on imports to leading the world today, China’s shield machine technology has achieved leapfrog development and made important contributions to infrastructure construction at home and abroad. In the future, China’s shield machine technology is expected to continue to innovate and make breakthroughs, and play a greater role in the global arena.