China's independent research and development of rock tunneling machine Henan new product line
In the morning of January 26, 2015, our country independently developed the diameter of 8.03 meters full section rock tunnel boring machine in Henan, Zhengzhou offline. The success of China's rock tunnel boring machine completely relies on imports, the core technology is restricted by foreign manufacturers, marking China's rock tunnel boring machine technology has been among the world's first phalanx.
Rock tunnel boring machine adopts mechanical, electrical and hydraulic field of high-tech achievements, is a set of tunneling, support, slag discharge, transportation in one of the complete set of equipment. For a long time, China's rock tunnel boring machine is completely dependent on imports, and the core technology is restricted by foreign manufacturers. In order to break this situation, the Ministry of science and technology will open TBM included in the "12th Five-Year" National 863 plan and 973 Plan for research.
As the industry leader, China natural iron equipment group entrusted with the innovative research and development. They also deliver the goods, to the national "863, 973" project, combined with Zhejiang University, Tianjin University, Zhengzhou University, University of Shijiazhuang railway, China Railway Tunnel Group, began to catch up with the world advanced technology innovation.
In May 10, 2014, the general secretary of the CPC Central Committee, state president and CMC Chairman Xi Jinping had rushed to the China railway equipment group, inspected the rock tunnel boring machine "family brothers" shield machine, and high hopes to increase investment, strengthen research and development, accelerate development, strive to occupy the commanding heights of the world, voice control technology, make our country become modern power equipment manufacturing industry, to promote manufacturing Chinese create change, Chinese speed shift, to Chinese quality products to China Chinese brand Chinese.
Slightly regretted, at that time, can represent the level of independent development of China's 8.03 meters diameter full section rock tunnel boring machine has not been offline, general secretary of learning is only aware of the machine.
In the morning of January 26th, after 24 months of research and development and production, the total length of more than 300 meters, weighing about 1500 tons of monster finally offline. "This is the railway equipment in the completion of the composite shield, wearing Jiang Yuehai slurry shield, rectangular shield and other high-end equipment after another major technological breakthrough. We visited the railway equipment in practical action to practice the General Secretary Xi made important speech to promote the Chinese manufacturing Chinese create change, Chinese speed shift, to China China quality products to China brand." Li Jianbin, chairman of China Railway Equipment Group Co., said excitedly.
The general manager of China Railway China equipment group company Tan Shunhui introduced the equipment breakthrough integrated technology coordinated control of the multi TBM system, high strength, nonlinear layout, spacing knife design technology of hard rock under high rock breaking cutter, poor geological conditions, high safety, fast supporting system design technology, complex geology the TBM excitation polarization ahead of a number of technical problems of geological exploration forecasting technology. This will provide a positive demonstration for the construction of national defense, railways, highways, water conservancy, hydropower, oil and gas pipelines, submarine tunnels and other tunnel excavation.
Not only that, in the opinion of the chief engineer Chinese iron Equipment Corporation Wang Dujuan, successfully developed a diameter of 8.03 meters of full face rock tunnel boring machine, the social development and national defense construction are very important, especially for China's high-end basic components of the product upgrading and industrial development, such as large, large high precision bearings precision transmission parts, hydraulic components, sensors, intelligent control system, will provide the platform for the development and application, which has gradually formed a new industry in China TBM design and manufacturing, a strong impetus for the development of the national infrastructure and equipment manufacturing industry." This also indicates that China's rock tunnel boring machine (TBM) technology ranks among the world's first phalanx, breaking China's rock tunnel boring machine completely dependent on imports, the core technology is subject to foreign manufacturers situation.
According to the introduction, the diameter of 8.03 meters full face rock tunnel boring machine will be used for the central city of Jilin province pine loose water supply project.
Yang Huayong, academician of Chinese Academy of engineering, now has the largest demand for TBM in China, accounting for 50% of the total global demand. Large diameter, large buried depth and long distance full face tunnel engineering is more and more using TBM construction. In the next 20 years, the domestic market demand for roadheader will reach about 200, the value will be more than 40 billion yuan.
The new product line marks that China Railway Equipment Group has become the only manufacturer of rock boring machines in China, and the brand of national rock tunneling machine has reached a new height.
