July 2，The China Association for Science and Technology announced the year 2023.“Kechuang China”A series of lists，Two Achievements of Railway Construction Heavy Industry“Kechuang China-Leading technology list”，Among“Drilling and Blasting Tunnel Intelligent Equipment Cluster and Digital Twin Technology”List of Leading Technologies in the Field of Equipment Manufacturing，“Key Technology and Demonstration Application of Main Bearing of Super Large Diameter Shield Machine”List of Leading Technologies in Basic Industrial Fields。Two achievements are the only listed projects in Hunan Province in their respective fields.。

“Drilling and Blasting Tunnel Intelligent Equipment Cluster and Digital Twin Technology”Rong Deng“Kechuang China”Leading technology list——Field of equipment manufacturing

“Key Technology and Demonstration Application of Main Bearing of Super Large Diameter Shield Machine”Rong Deng“Kechuang China”Leading technology list——The basic field of industry

“Kechuang China”The list is an important award launched by the China Association for Science and Technology.，It aims to promote scientific and technological innovation and high-quality industrial development.，It is regarded as the vane of high-quality development driven by scientific and technological innovation.。The list items are all centered on the major strategic needs of the country.，It can promote the deep integration of innovation chain and industrial chain，It plays a leading and exemplary role in the transformation of frontier technology and industrial landing.。It is reported that，There are 230 items in this list.，Among them, there are 150 items in the leading technology list.，And relate to electronic information、Equipment manufacturing、Biomedicine、Advanced materials、Green and low carbon、Six major technical fields such as industrial base。

In recent years，China Railway Construction Heavy Industries Co., Ltd. (CRCHI) focuses on super harsh environment、Super-risk geology、The construction of super-long deep-buried tunnel is of great significance to the construction of super-long deep-buried tunnel.“Few people（No one）+Intelligent equipment”An urgent need，Set up a team of production, teaching and research to tackle key problems collaboratively，The digital twin system of drilling and blasting equipment under complex working conditions was initiated.，A group of intelligent equipment for drilling and blasting tunnel is developed.，Typical demonstration application scenarios are formed for major projects in many countries.，Support the plateau railway、Zhengzhou-Wanzhou high-speed railway、Construction of Anjiu Railway and other major projects at home and abroad。The development and application of drilling and blasting tunnel intelligent equipment has filled the global gap.，Led to change the way of tunnel construction by drilling and blasting，For tunnel safety、Efficient、Green、Intelligent construction provides equipment support。

Application of drill and blasting tunnel intelligent equipment clust

The main bearing is for the roadheader.“ Heart ”，Face the test of extreme working conditions，At the top of large high-end precision bearings。October 12, 2023，Independently developed by China Railway Construction Heavy Industry Co., Ltd..The main bearing of the 61-meter shield machine is offline in Changsha.，This is the largest diameter in the world so far.、The monomer is the heaviest、Main bearing of integral shield machine with the highest bearing capacity。With 8.Successful Development of 61m Main Bearing，Railway Construction Heavy Industry has realized the industrialization of full-spectrum main bearings of roadheaders.，It has opened up the national production of super-large diameter shield machines.“The last mile”，It marks that the development and industrialization ability of domestic super-large diameter main bearings ranks in the forefront of the world.。

World's Largest Diameter Integral Main Bearing for Roadheader（Diameter 8.61 meters）

This time, two events were selected at one stroke.“Kechuang China”List，It is the continuous deepening of scientific and technological innovation and development of Railway Construction Heavy Industry.，Accelerate the cultivation and development of new quality productive forces，The vivid embodiment of cohesion value creation。China Railway Construction Heavy Industry Co., Ltd. will continue to strengthen scientific and technological self-reliance and self-improvement，Accelerate the transformation and popularization of scientific and technological achievements，Promote high-end equipment“The amount of intelligence”“Green content”“Gold content”Promote，To make new and greater contributions to the high-quality development of China's underground engineering high-end equipment industry.。