Recently

Issued by SASAC of the State Council

Product Manual of Scientific and Technological Innovation Achievements of Central Enterprises（2022 edition）

Built by China Railway Construction Heavy Industries

“Intelligent complete equipment for tunnel construction by drilling and blasting method”

“Intelligent complete set of equipment for rapid excavation and anchoring of large section roadway”

“Super large diameter shield machine”

Three scientific and technological innovations were selected.“High-end equipment”Domain classification

Intelligent complete equipment for tunnel construction by drilling and blasting method

Full-computer three-arm rock drill jumbo of intelligent complete equipment for tunnel drilling and blas construction

China Railway Construction Heavy Industry Co., Ltd. has built advanced operation、Excavation and tunneling、Ballast loading and transportation、Initial support、Secondary lining、Various product lines such as auxiliary operation, inspection and maintenance, etc.，It has formed a complete set of intelligent equipment for tunnel construction by drilling and blasting method.。

Aiming at the difficulty of precise positioning control of tunnel equipment、Difficult to identify tunnel geological dynamic、Three International Difficulties in Cooperative Operation of Tunnel Equipment，Overcome the precise positioning of equipment in the complex environment of the tunnel、Autonomous recognition of advance geology、Intelligent core technology of tunnel drilling and blasting equipment, such as cluster cooperative operation，An intelligent equipment technology system with completely independent intellectual property rights has been constructed.，The overall solution of customized equipment for tunnel drilling and blasting construction has been formed.，The overall technology has reached the international leading level.。

Intelligent complete equipment for tunnel construction by drilling and blasting method

This achievement has been successfully applied in Zhengzhou-Wanzhou High-speed Railway.，And is on the plateau railway.、Application in key projects such as Xiyan High-speed Railway，Boosted the construction of underground projects to achieve fewer people、Unmanned operation。

Intelligent complete set of equipment for rapid excavation and anchoring of large section roadway

Intelligent complete set of equipment for rapid excavation and anchoring of large section roadway

An intelligent complete set of equipment for quickly excavating and anchoring a large-section roadway is composed of an excavating and anchoring integrated machine,、Hydraulic bolt drilling rig for coal min、Composition of self-moving continuous belt conveyor，With precise positioning、Autonomous navigation、Automatic drill intelligent cuttings、Automatic support、Continuous reprint、Fault pre-diagnosis、Remote centralized control and other functions，Realize heading face exploration、Dig、Branch、Intelligent collaborative construction of the whole process of transportation，Build a heading face with few people or no people。

Real scene of construction of complete equipment for rapid excavation and anchoring

This achievement significantly improves the level of intelligent and rapid excavation of coal mine roadway under complex geological conditions.，The overall technology has reached the international leading level.。The results have been successfully applied to national energy.、Shaanxi Coal、China Coal and other large coal groups in more than 20 projects.，Help the Intelligent Construction of Coal Mine。

Super large diameter shield machine

“Jinghua”Downhole starting of shield machine

This achievement is independently developed by Railway Construction Heavy Industry.，It is suitable for the excavation of super-large diameter tunnels.、Integrated support construction。September 27, 2020，Maximum excavation diameter up to 16.Super large diameter shield machine of 07 meters"Jinghua"Offline in Changsha Industrial Park of Railway Construction Heavy Industry。This one“Big Mac”The shield machine is 150 meters long.，Total weight 4300 tons，This is the largest diameter shield machine developed in China at that time.，For the reconstruction project of the East Sixth Ring Road in Beijing。

Diameter of Railway Construction Heavy Industry Co., Ltd. from 0.A full range of roadheader from 5m to 25m

For extra large diameters、Very long distance、Ultra-deep covering soil、Ultra-sensitive environment and other engineering characteristics，The innovation of Railway Construction Heavy Industry breaks through the normal pressure tool change.、Telescopic main drive、Efficient Transportation and Assembly Technology of Heavy-duty Segments with Super Large Diameter、Fficient high-power slurry circulation system、High-precision independent gas-liquid balance control of excavation fact、Double-liquid synchronous grouting and other core technologies，And solve that problem that the cutter of the ultra-large diameter shield machine is difficult to replace.、Tunneling control is difficult、It is difficult to improve work efficiency、Four Difficult Problems in Manufacturing Process。“Jinghua”It has also become a leading Chinese manufacturing to create in China.、Vivid cases of promoting high-quality development，And as the only representative of the underground engineering equipment industry to participate in the national“The 13th Five-Year Plan”Science and Technology Innovation Achievement Exhibition。