General Secretary Xi Jinping pointed out，“Since the founding of New China，Generations of people open their way in every mountain.、Bridge in water，It has become a big transportation country.，It is speeding up the construction of a powerful transportation country.”“Transportation has become the pioneer of China's modernization.”。At present，We have embarked on a new journey to comprehensively promote the great rejuvenation of the Chinese nation with Chinese-style modernization.，It is a great responsibility to speed up the construction of a strong transportation country.、The mission is glorious。
As a pilot unit for building a strong transportation country，China Communications Group has always been in mind.“The great of the country”，Give full play to the advantages of integrated service of the whole industry chain，Serving the Chinese-style Modernization Construction with the Wisdom and Strength of CCCC，We will unswervingly be the national team of three-dimensional interconnection of transportation infrastructure and promote Chinese standards.“Walk out”The leader of the platoon，Built a large number of world first、China's most super project and“A great power weighs heavily”，Polished“Port of China”“China Road”“China Bridge”“Chinese equipment”The name card of the country，Upgrading the power infrastructure“Offshore wind power in China”“Sinohydro”Brand influence。
In order to fully demonstrate the construction achievements of CCCC in the field of transportation infrastructure，We sorted them out in different categories.，This issue focuses on the launch“Chinese equipment”Special topic，Let's take a look。
Chinese equipment
China Communications Group is the world's leading engineering equipment design and manufacturing service provider.，Large offshore construction vessels, including dredging vessels、Port Machinery、Shield Machine、It has advantages in R & D and manufacturing of Tower Cranes and other engineering equipment.。
World's Largest Pile Driving Vessel——“One Hangjin Pile”
“One Hangjin Pile”It is invested and developed by the First Navigation Bureau、Built by Zhenhua Heavy Industries，The highest Pile Frame in the world、Most capable of lifting piles、Maximum pile driving length、Largest pile diameter、Special pile driving vessel with the strongest ability to resist wind and waves。
The ship is 124 meters long.、Width: 39m、Moulded depth 8m、Height of Pile Frame: 142m，Maximum operating pile diameter: 6m，Maximum operating pile weight 700 tons，Maximum operating pile length“118 meters+Depth of water”，It is mainly used for large pile foundation construction.、Pile group foundation、Wind power jacket pile、Wind power single pile construction, etc.，It belongs to the field of hydraulic construction in China.“A great power weighs heavily”。
The ship was launched on 31 August 2021.，The first pile was laid on February 17, 2023.。At present，The ship is in Ningxiang City, Zhejiang Province.（Suburbs）Pile Foundation Construction of Xiangshan Port Sea-Crossing Railway Bridge。
The world's largest single-arm fully slewing crane
——12000 ton self-propelled full-slewing crane ship
“Zhenhua 30”
“Zhenhua 30”It is a 12000 ton self-propelled full-rotary crane ship independently developed by Zhenhua Heavy Industries.，It is also the largest single-arm full-slewing crane in the world.。The captain 297.55 meters，58 meters wide，It has a fixed lifting capacity of 12000 tons of single boom and a lifting capacity of 7000 tons of 360-degree full rotation.，Have“Hercules of the sea”Known as。
The ship is mainly used for installation of large modules.、Salvage operation、Dismantling the scrapped platform、Submarine energy development operations, etc.，It has the ability of self-propulsion，With 10-point mooring positioning andDP2 Dynamic positioning function。Compared with ordinary crane ship，The operation of the ship is more precise and free.，Adapt to various sea conditions and working surfaces。
The ship successfully completed the hoisting of the immersed tube at the final joint of the Hong Kong-Zhuhai-Macao Bridge Island Tunnel Project.，Won the first prize of Shanghai Science and Technology Progress Award.。
The world's first integrated vessel for immersed tube transportation and installation
——“Yihang Jin'an 1”
“Yihang Jin'an 1”It is the world's first immersed tube transport and installation integrated ship developed and invested by the First Navigation Bureau.，It is also the largest installation capacity in the world、The sinking accuracy is the highest、Most efficient construction operation、The most advanced special ship for the construction of submarine tunnel immersed tube。
The ship is of catamaran design.，The length is 195 meters，Width: 75m，Depth 14.7 meters，The deck is the size of two football fields.，Undocking of immersed tube collector、Floating、Installed as a whole，Have“Functional integration、Integrated ship management、The structure is integrated、Power integration”Characteristic，It can realize the rapid undocking of 80,000-ton immersed tube.、Long distance transportation、Integration of comprehensive operations such as precise positioning and millimeter-level sinking installation，It further consolidates China's leading technological advantage in the field of immersed tunnel construction in the world.。
“Yihang Jin'an 1”Have completely independent property rights，It has obtained 85 patents at home and abroad.，It has been evaluated successively“Science and Technology Award of China Water Transport Construction Industry Association”Grand Prize、China Construction Enterprise Management Association“Ten new technologies for engineering construction in 2021”。
The largest in the world、State-of-the-art jack-up
Gravel laying and leveling ship——“Yihang Jinping 2”
“Yihang Jinping 2”It is developed by the First Navigation Bureau.、Set datum positioning built by Zhenhua Heavy Industry Co., Ltd.、Stone conveying、High-precision laying and leveling、Quality inspection and acceptance functions in one of the world's largest、State-of-the-Art Jack-up Gravel Mat Laying and Leveling Vessel。The ship was launched on 9 April 2019.，Delivery on November 18，Shenzhen-Zhongshan Bridge on June 9, 2020E1. The first foundation bed leveling operation is completed for the pipe joint。
The captain of the ship is 98.7 meters，Width 66.3 meters，Depth 6.5 meters，Total length of pile leg: 75m。The ship functions as an undersea Paver.，Precise positioning through the riprap tube，Debris is thrown into the seabed and paved，Maximum working water depth: 40m，Gravel laying and leveling range of single ship position is 2500 square meters.，Speeds up to 5 meters per minute，The foundation bed laying accuracy within plus or minus 4 cm can be realized.，It is known as deep-sea leveling operation.“3DPrinter”。
“Yihang Jinping 2”To promote the technological progress in the construction of large cross-sea passage projects in China，It is of great significance to enhance the comprehensive strength of cross-sea corridor construction.。
The world's highest level of intelligence
Heavy-duty self-propelled cutter suction dredger——“Tiankun”
“Tiankun”It is invested and jointly designed by Tianhang Bureau.、China's first independent research and development ship built by Zhenhua Heavy Industries、A green environmental protection with completely independent intellectual property rights、High-efficiency intelligent heavy self-propelled cutter suction dredger。“Tiankun”It was officially put into production on March 12, 2019.。
“Tiankun”The total length is 140 meters，Width 27.8 meters，Nine meters deep，It is suitable for dredging projects in coastal and deep sea ports and waterways.，Reamer rated power 6600 kW，Rock within 50 MPa of unilateral compressive strength can be excavated，Power of dredge pump 17000 kilowatt，Long-distance transport capacity 15 km，The most in the world。
“Tiankun”It is equipped with the most advanced automatic control system in the world，It also has the navigation capability and barge loading function of the global unlimited navigation area.，Automatic dredging can be realized、Monitoring and unmanned control，It is a model of high integration of high-tech and heavy equipment manufacturing in the history of dredging in China.。
The first in Asia at that time
Heavy-duty self-propelled cutter suction dredger——“Sky Whale”
“Sky Whale”The dredger is invested by Tianhang Bureau.，The first heavy self-propelled cutter suction dredger built by China，When completed, it ranked first in Asia.、Third in the world。Construction commenced on 28 April 2008，Delivery in Shenzhen on January 19, 2010。
“Sky Whale”Total length 127.5 meters，Profile width: 23m，Six meters deep，Design speed 12 knots，Total installed power is kilowatts 20020.，Maximum excavation depth: 30m。The ship was equipped with the most powerful excavation system in Asia at that time.，The power of the cutter reaches 4200 kilowatts.，It was also equipped with the most advanced integrated automatic dredging control system in the world at that time.。
Since it was put into production，“Sky Whale”Successively in the major coastal ports in China、Major national projects and“The Belt and Road”Played an important role in the construction.，Be known as“Meritorious ship”，Won successively“National Advanced Grass-roots Party Organizations”“National Worker Pioneer”“Special Prize of National Science and Technology Progress Award”Wait for the honor。
Largest flagship trailing suction hopper dredger in Asia
——“Junyang 1”
“Junyang 1”It is the flagship trailing suction hopper dredger with the largest capacity in Asia invested and built by Guangzhou Navigation Bureau.，Tank capacity is 21000 cubic meters，It has the most advanced automatic control system in the world and the ability to navigate in the global unlimited navigation area.，It can dredge about 20000 cubic meters of mud per hour.，The maximum excavation depth is 90 meters.，It is well deserved“Sea Big Mac”。The ship was officially put into production in October 2016.。
Since putting into production，“Junyang 1”Successfully completed the cooperation between China and Sri Lanka“The Belt and Road”Flagship Project Construction of Colombo Port City Project in Sri Lanka，Participated in the establishment of the Kuwait Oil CompanyLNGDredging works、Deepwater Channel Widening Project of Guangzhou Port、Zhanjiang Port 300,000-ton Sea-going Channel Project and other key projects，For service“The Belt and Road”Building and promoting the economic and social development of the Guangdong-Hong Kong-Macao Greater Bay Area has contributed wisdom and strength.。
The world's largest river-sea semi-submersible barge
——“Sihang Yongxing”Number
“Sihang Yongxing”It is the world's largest river-sea dual-purpose semi-submersible barge invested by the Fourth Navigation Bureau and built by Jiangmen Hangtong Shipping Co., Ltd.，The length is 164 meters，Width: 65m，Depth 10.2 meters，Loaded draft 6.6 meters，Dive to a depth of 16 above deck.6 meters，The deadweight is 45000 tons，The effective loading area of the deck is more than 9000 square meters.，Maximum deck and bottom plate thickness up to 50 mm and use high strength steel，Strong structural strength，The bearing capacity of the deck is huge，The whole ship is equipped with intelligent load adjustment system.，Intelligent load adjustment can be carried out according to loading conditions and diving requirements.。
The ship is mainly used for supporting the roll-on and roll-off barge for the factory prefabrication of large offshore immersed tube tunnel pipe sections.、Transportation、On-site diving installation construction，It is an indispensable heavy equipment for prefabricating large submarine immersed tube by land platform site method.；In addition to the function of immersed tube transportation,，But also can be directly use as a submarine immersed tube prefabricate platform.，Both prefabrication and transportation；At the same time, it can also be used as a large floating working platform on the sea or as a launching barge for transporting large components on the sea and as a launching barge for large super-wide ships.，It is a multi-functional national treasure.。
Asia's Largest Self-Propelled Intelligent Wind Power Installation Platform
——Haifeng 1001
2500t wind power installation platform“Haifeng 1001”It is invested by CCCC Haifeng R & D、The most advanced fourth-generation self-propelled wind power installation platform in Asia designed and manufactured by Zhenhua Heavy Industries，It was officially put into production on September 19, 2023.。
The captain of the platform 133.8 meters，The ship is 50 meters wide.，Molded depth 11m，Length of pile leg: 120m，Maximum operating water depth 70m，Maximum lifting height of main hook 200m，Secondary hook 220m，Deck variable load 6500 tons，Design speed 9 knots，Sailing in an unlimited area，Accommodation capacity of 130 people，EquippedDP2 Dynamic positioning system，The lifting system adopts truss-type pile legs and rack-and-pinion frequency conversion control technology.。The platform has the strongest lifting capacity in Asia at present.、Maximum operating water depth、The lifting height is the highest、Jack-up self-propelled wind power installation platform with the largest deck area，Fully implement the design、Core supporting facilities and localization of construction，Meet the deep sea、Large capacity、Requirements for integrated construction operation，Transportation of 2 sets of 20MW Wind Turbines with deep sea wind field、Installation of integrated construction operation capacity and equipping with the whole ship's information and digital management system，It is the first ship in China.CCSSmart Ship（I-UNIT）And green ships（G-ECO）Classified wind power installation platform。
The largest diameter Shield Machine made in China——Canal
Independently developed by CCCC Tianhe、The largest diameter Shield Machine made in China for tunneling construction of the east line of Beijing East Sixth Ring Road Reconstruction Project“Canal”Successfully run through the longest line in China so far、The largest double-track shield tunnel was successfully completed.。
“Canal”Inner excavation diameter 16.07 meters，The whole machine is about 145 meters long.，The total weight is about 4500 tons，The localization rate is up to 98%Above，It is the first 16-meter super-large diameter shield machine made in China.，It is also the largest diameter slurry balance shield machine with completely independent intellectual property rights developed in China so far.，Localization rate 98%Above，It is equipped with the world's first ultra-long distance tunneling technology independently developed by Zhongjiaotianhe.、Slurry layered backwash circulation technology, etc. To achieve the super-large diameter shield machine“Stuck in the neck”Comprehensive breakthroughs in key core technologies，It has become a milestone in the technological innovation and application of the world's super-large diameter shield machine.。
The world's first super-large diameter hard rock vertical Roadheader
——Initiative
It is independently developed and manufactured by CCCC Tianhe.、The world's first super-large diameter hard rock vertical Roadheader for the construction of No.2 shaft of Tianshan Shengli Tunnel“Initiative”，It is the first high-cold、High altitude、Great depth、Uper-large-diameter boot-type vertical hard rock tunneling machine。
“Initiative”Cutterhead diameter 11.4 meters，The depth of vertical excavation is 800 meters.，Adopt fully intelligent tunneling technology，Can realize that unman operation of underground tunneling，Parts and components are produced nationwide，It is another major scientific and technological achievement of Zhongjiao Tianhe based on innovation drive.，For the first time,TBMPerfect combination of rock breaking technology and traditional drilling，Equivalent to aTBMDig vertically，And realize that one-step forming of the ultra-large diameter vertical shaft.。At present，The large-diameter shaft basically adopts the technology of stepped expansion excavation.，“Initiative”One-step forming technology is the first in the world construction history.。
At that time, China exported the largest shield machine overseas.
——No.1 Tunnel Shield Machine of Jakarta-Bandung High-speed Railway
The No.1 tunnel shield machine of Yawan High-speed Railway was the largest diameter shield machine exported overseas by China at that time, which was independently developed by China Jiaotong Tianhe.，It was also the largest diameter slurry pressurized balanced shield machine in Southeast Asia at that time.。The shield machine is used in the construction of No.1 tunnel of the first high-speed railway in Southeast Asia.。
The diameter of the cutter head of the shield machine is 13.19 meters、About 101 meters long、It weighs more than 2600 tons.，Application of settlement control、Layered backwash、Ultra-large diameter shield machine ultra-long distance tunneling without changing cutter、Tool wear real-time monitoring and many other advanced technologies in the world，Among them, the ultra-large diameter shield machine does not change the cutter for ultra-long distance tunneling.、Tool wear real-time monitoring technology is the world's first technology。
World's Largest Tower Crane
——R20000-Model 720 crane
R20000-The 720 crane is the world's largest Tower Crane jointly developed by the Second Navigation Bureau.，It passed the inspection in Changde, Hunan on April 20, 2023.，Officially offline，It will be used for the construction of the world's largest span three-tower steel truss cable-stayed bridge, the Maanshan Yangtze River Highway and Railway Bridge on the Chao-Ma Railway.。
The rated lifting moment of the tower crane is up to tons of meters 20000.，Maximum lifting capacity is 720 tons.，Maximum lifting height 400m，It took only 8 months from design to offline.，Create a miracle of construction speed of super-large tower crane equipment。
The tower crane integrates 158 innovative scientific research achievements.、305 invention patents，There are more than 60 key core technologies.、12 world first。It is the first time to apply high-power permanent magnet synchronous drive technology to ultra-large tower crane.，Motor efficiency is 8% higher than the industry level%Above；Innovative application of tower crane energy feedback system，System power feedback 30%Above；Industry-first mobile counterweight technology，The balance weight can move precisely with the change of the lifting moment.，Achieve lifting performance 60%A substantial increase in the above。
The world's first quayside container crane capable of lifting three 40-foot containers at a time
The world's first container crane independently developed by Zhenhua Heavy Industries can lift three 40-foot containers at a time.，Put into production in 2006。The crane is in the unloading operation at Mawan Wharf in Shenzhen.，Productivity increased by 20 percent％，It is known as the first choice for upgrading container cranes in the world in the 21st century.。
The crane consists of a single spreader and a set of twin Spreaders.，Three 40-foot containers can be lifted at the same time on the same trolley，Or two 40-foot containers and two 20-foot containers，Or one 40-foot container and four 20-foot containers，Or six 20-foot containers。The crane can also separate the single spreader and the double spreader to work independently.，Carry out combined loading and unloading of other types of containers，The loading and unloading efficiency of the wharf and the adaptability of the loading and unloading operation are greatly improved.。
World's first 3EClass 1 quayside container crane
Ship enlargement is an effective way for shipping companies to reduce operating costs.，It is also the inevitable trend of future shipping development.。3 independently developed by Zhenhua Heavy IndustriesEThe lifting height of Class I super large quayside container crane is 20% higher than that of conventional quayside container crane%Above，It can meet the loading and unloading requirements of ultra-large container ships.，It is the quayside crane with the largest lifting height and forward reach in the world at present.。
2020，Zhenhua Heavy Industries Delivered 4 World's Largest 3 Units to Meishan Wharf, Zhoushan Port, NingboEClass 1 quayside container crane，This is for the Maersk Group of Denmark to berth 1..80000 standard container ship“Tailored design”A quayside bridge。3EClass III Super Large Quayside Container Crane is aimed at Maersk 3EQuayside container crane developed for class a container ship，Lifting height 48 to 52.5 meters，The extension distance is greater than 70m.，It can load and unload 10 layers of super-high containers on the deck.。
3EThe quayside container crane has led the quayside container crane equipment in major ports around the world to a larger scale.、Faster、Develop in a more efficient direction，After being introduced to the market, it has been widely welcomed by users.。
World's Largest 12000 Tons/Time bucket wheel
Bulk Stacker
2014，12000 tons independently designed and manufactured by Zhenhua Heavy Industries/Bucket wheel bulk Stacker，Dwarf arc type rotary trolley，Turning radius 50m，Maximum capacity up to tons 14500./Time，It has broken the international monopoly of large Stacker-reclaimer with a production capacity of 10000 tons.。
The bulk stacker is designed to be large.、Automation is the goal，Several key technologies have been adopted to meet the operation requirements.。The reasonable design of the double-track cart solves the problem of difficult arrangement of the main machine caused by too many monorail wheels of the super-large reclaimer.。Application of the technology of guide chute without buffer bed，It is ensured that in the absence of a buffer bed,，The damage of the material to the ground belt and idler is reduced to the same effect as that of the buffer bed type.。To be safe、Intelligence、The efficient unmanned operating system provides users with an efficient and reliable mode of operation.。The special design of the steel segments avoids the deformation of the members during transportation，Further open up the market of large-sized storage yard equipment in mines。
