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CCTV [CCTV News] Focus on China Railway Industry: How to Build a Chain of China's Shield Machines

November 20, 2023

November 18

CCTV《News broadcast》Broadcast

《First-line research:How to Build a Chain Group of Shield Machines in China》

Length of time3:05Single report

China Railway Equipment under China Railway Industry

Vivid Practice of Building Shield Industry Chain Leader

Play“Chain length”Traction and driving role of enterprises

Promoting the Development of China's High-end Equipment Manufacturing Industry

It highlights China Railway Industry as a domestic shield.

Strength and Elegance of Industrialization Leader

Let's see

“A great power weighs heavily”The story behind“Chain”

CCTV《News broadcast》:The Shield Machine is called“King of Construction Machinery”,It is an important symbol to measure a country's manufacturing level.。Today,Seven out of every 10 Shield Machines in the world come from China.,What kind of industrial chain support is behind this??Let's take a look at the reporter's first-line research.。

The largest shield machine enterprise in China——General assembly workshop of China Railway Equipment under China Railway Industry,The reporter saw that a batch of shield machines exported overseas were being delivered centrally.。If we take this shield machine apart,,It consists of more than 10,000 parts.。As you can see from this map of the industrial chain.,Cutting tools and main bearings are mainly gathered in Henan.,Motors are mainly in Shanxi,Gears are mainly distributed in the Yangtze River Delta and Chongqing.。And if you go back 10 years,,These key components are also dependent on imports.。

Knives are like teeth.,It determines the tunneling speed of a shield machine.,The material used to make cutting tools should have high hardness.、Resistant to corrosion,And be flexible.、Fatigue resistance。In order to conquer this particular material,,China Railway Equipment and Tsinghua University Jointly Tackle Key Problems,Thousands of tests were carried out on more than a dozen added elements.,And finally solve that problem of high strength of the superhard material.、The problem of high toughness。

As in the industrial chain“Chain length”,Over the years,China Railway Equipment has driven the development of more than 1200 enterprises through this collaborative innovation mechanism.。In this warehouse.,The reporter saw the motor placed.、There are fifty or sixty rows of shelves for hydraulic pumps and other accessories.,It's like a“Parts Supermarket of Shield Machine”,Today, more than 160 local enterprises provide supporting products and services for shield machines.。

At the same time,Engineers are still pushing for the renewal and upgrading of shield machines.。The types of shield machines have increased from 2 10 years ago to 15 now.,Originally, it could only move horizontally.,Now it can go uphill and downhill、Can turn a corner,It can also work vertically.。Now,Is China's shield machine still becoming intelligent?、“Unmanned excavation”Development。

It benefits from China's complete industrial chain and iterative technological innovation.,Nowadays,China's shield machine has occupied 70% of the world%The market,There are thousands of upstream and downstream enterprises.。China Railway Equipment only,The total number of orders for shield machines exceeds 1600.,Export to more than 30 countries and regions around the world,Production and sales ranked first in the world for six consecutive years.。

Future,China Railway Industry

It will devote itself to the main business of high-end equipment manufacturing

Build more heavy weapons of great powers

To speed up the construction of a strong manufacturing country

Contribute to the wisdom and strength of China Railway Industry

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