Ten Years of Cold Window to Sharpen a Sword, Now Unsheathed to Test the Edge After 80 years of deep cultivation in the field of equipment manufacturing, XCMG has handed over a project full of innovative gold content.“A great power weighs heavily”Report card

 

 

Super Crane、Large shield machine、“Deep Sea One”Production and storage platform……In recent years，Good News of China's Equipment Manufacturing Industry、Fruitful results，For display“The most important weapon of the country”The charm of，《People's Daily》Launch a series of special reports，June 7，“The world's first crane”XCA2600 was honored《People's Daily》18th Edition Full Page，Become the first content of the series。

 

General Secretary Xi Jinping pointed out，Equipment manufacturing industry is the backbone of manufacturing industry.，We need to increase investment、Strengthen research and development、Accelerate development，Strive to occupy the commanding heights of the world、Control the right of technological discourse，Make China a big country of modern equipment manufacturing industry。

From 2017 to 2023，XCMG increases the maximum lifting capacity of all-terrain cranes from 1,200 tons to the world's largest 2,600 tons，Lifting height increased from 100m to 160m，The main performance indicators rank first in the world.。Why does XCMG Crane lead the world?？《People's Daily》The answer is given in the article.。


Brave“No man's land”

 

From coming up with ideas，To become a drawing，XCAEvery step of the 2600 is a global first.，All the technologies are explored for the first time.。

 

In case of ultimate tonnage，Every time the lifting height is increased a little，It poses a great challenge to the comprehensive technical strength of products.。For this reason，The XCMG technical team willXCAThe boom of the 2600 is designed to have a complex three-dimensional structure.“Super fishing rod”，And a brace structure is specially designed for it.——Pull through the top、Bottom brace，Increase the strength of the boom。

 

 

Not only that，XCMG Heavy All-Terrain Crane Research Institute also specializes inXCA2600 has been developed“Super-lift one-key fixed-length tensioning”Function。XCASystems on the 2600，Can be changed according to environment and working condition，Accurately adjust the tension of wire ropes on both sides，Adjust the lateral deformation of the boom at any time.，Keep the big arm straight all the time，Have the best lifting capacity。

 

 

Upgrade the industrial chain

 

XCAThe success of 2600，From the engine to the hydraulic cylinder，The result of a comprehensive upgrade from hardware to software，It represents the collective leap of the whole industry chain of China's construction machinery industry.，There are more than 10,000 kinds of cars.、Over 100,000 parts，The localization rate is close to 90%。

 

Hydraulic cylinders are responsible for converting hydraulic energy into mechanical energy，It is an important part of the hydraulic system of the crane.。Hydraulic cylinder for super large tonnage crane，The cylinder wall must be made thin and hard.，And that lightweight is realize，But also has high strength.，For basic raw materials、The processing technology has put forward high requirements.。

 

 

XCMG HydraulicForXCAThe total length of the supporting hydraulic cylinder of the 2600 is more than 10 meters.，Dimensional accuracy up to 0..01 mm。In order to develop a hydraulic cylinder to meet the requirements of super-large tonnage crane，Back in 2014，XCMG Hydraulic cooperates with domestic manufacturers to develop specialXGSeries of new materials，Break the overseas monopoly，The strength of the material is more than doubled than before.。

 

2018，Asia has the highest level of automation、The cold-drawing machine with the longest stroke was built and put into operation in XCMG Hydraulic，Maximum cold drawn length up to 18 m、Drawing force up to 600 tons，Lengthening seamless tube blank by cold drawing proces、Thinning、Densify，Strength of steel pipe increased by 30%。

 

Xugong Hydraulic has also developed the longest 20-meter-long hydraulic system in China in conjunction with upstream and downstream enterprises.Move the annealing furnace，Large tonnage first developed in the countryTwo-roll straightening machine，Nearly 100 kinds of rough boring、Floating Boring、Honing and grinding tools......Production around hydraulic cylinders，XCMG Hydraulics has material development、Machining、Test design and other international patents，Develop and produce high-performance hydraulic cylinder boosterXCAThe 2600 came out smoothly。

 

 

Engine，From Weichai；High strength plate、Pipe material，From Baosteel；Hydraulic system，From Xugong......AtXCAOn 2600，We can clearly see the improvement of China's industrial base level.。

 

 

It is worth mentioning that，XCA2600 also has localization“ Brain ”。Crane Intelligent Control System Developed by XCMG，YesXCA2600 has“Embroidery”The key to kung fu。

 

Break through new technology

 

No matter how complicated“A great power weighs heavily”，Also want to make a good one.“Screw”Start。

 

2015，First batch of products produced according to the design drawings，Repeated fracture in ultimate test，The problem is a threaded shaft in the load-bearing component.。Critical moment，Company“000001”Meng Wei, a super technician, stepped forward.，He led the team in trial and error.，More than 20 schemes have been overturned successively.，Finally, a set of special tools accurate to micron was developed.，Gradually adapted to the requirements of mass production。

 

 

AtXCAIn the production process of 2600，Even with the help of the laser hybrid welding machine，Still more than 50.%The weld requires manual welding.。“WithXCATake the jib with the largest section of 2600 as an example.，Requires 9 highly skilled welders to work together for 15 days，To complete the weld。”The welding quantity of the 2600-ton jib is large.，80%Multi-layer and multi-pass welding is required for all positions.，A small weld crack.，Could cause a serious accident.。It is the efforts of all welding craftsmen，To makeXCAExcellent performance of 2600。

 

 

On average every two years，There is a crane product that refreshes the global lifting capacity.；Product range from 8 tons to 2600 tons，The construction field covers municipal administration、Chemical Industry、Wind power and other scenarios；Localization of all products below 300 tons，The localization rate of all product parts reaches 91%……As the world's largest crane manufacturer，XCMG is still struggling to move forward，Continuously create new achievements。

 

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《People's Daily》Original text