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Chapter 528: Shipyard "Flight Attendant"


Next to receive the award were two female shipyard workers.

These two female workers, one of whom is also from Jiangnan Changxing Shipbuilding Group Co., Ltd., and is also Gao Mingyue's good sister, her name is Du Juan, of course, her type of work has a very special title, called "flight attendant".

Of course, the flight attendants in the shipyard are completely different from the flight attendants on civil airliners.

Once, Luo Fei went to Jiangnan Changxing Shipbuilding to find Shen Huan, and Shen Huan jokingly said that he would take him to see a flight attendant.

Luo Fei still believed it, but followed Shen Huan to the outfitting dock, Shen Huan pointed to the big crane at the dock, and said to Luo Fei that the female worker on it was a flight attendant, which made Luo Fei laugh miserably.

In the shipyard, there are indeed many female workers who drive cranes, compared to other types of work.

At this time, the host also introduced the flight attendant Cuckoo.

They are a special group of people, stewardesses in shipyards, and many people may think that the work of a crane operator is very simple, two handles, a fixed track, and the work is easily completed with both hands.

In fact, hoisting is a technical job!

If the lifting object is not lifted smoothly, it is very dangerous to swing.

Usually when hoisting, there are workers working below, so the responsibility on the shoulders of flight attendants is heavy!

It is with the busy and skilled work of the flight attendants every day that those big ships can be built, and it can be said that the flight attendants and their cranes and cranes have made great contributions.

Every crane is a behemoth, but in the hands of the flight attendants, they have become extremely flexible.

For example, the gantry cranes used for aircraft carriers are all large ones with a lifting capacity of hundreds of tons, or even more than a thousand tons.

Shen Huan still remembers one thing that particularly makes the Chinese angry, that is, Britain wants to build aircraft carriers, but British shipyards do not have heavy lifting equipment for aircraft carriers, so in 2011, Britain imported heavy gantry cranes from China's Zhenhua Port Machinery, imported heavy gantry cranes up to 70 meters, across 120 meters, with a maximum lifting capacity of more than 1,000 tons.

Interestingly, not only the British man-made aircraft carrier uses Chinese gantry cranes, but even the United States shipyard also uses Chinese cranes, such as the United States' science fiction battleship, Zumwalt-class, when it was built, the crane was produced by Zhenhua Port Machinery.

The British, with the help of Chinese gantry cranes, completed the construction of two Elizabeth-class aircraft carriers.

However, after the British finished building the aircraft carrier, they felt that the gantry crane that had been introduced with a huge investment of 130 million yuan was useless, coupled with the British financial constraints, so they decided to sell it.

Such a good gantry crane, the world is only Zhenhua Port can be made, so this second-hand gantry crane is still very easy to sell, Ah San has long been interested in this gantry crane, because Ah San is also building an aircraft carrier, if there is no such heavy gantry crane, the aircraft carrier does not know when it can be built!

So Ah San actually spent a high price of 260 million yuan to buy this gantry crane from the British.

From 130 million to 260 million, the British not only did not lose money, but made a lot of money, which made the British very happy.

However, later Ah San really bought this Chinese-made gantry crane, but the British soon regretted it, because after the aircraft carrier broke down, they needed this large gantry crane to help repair it when they returned to the shipyard, and now they have sold it, and there is no way.

Britain can't make it.

In fact, gantry cranes are indeed too important for shipyards.

Especially for large gantry cranes, due to modern shipyards, the segmented modular construction method has been adopted, so many large-scale segments have to rely on large gantry cranes to lift.

In particular, in the construction of aircraft carriers, it is generally necessary to first build super-large sections of hundreds or even thousands of tons in the workshop, and then combine these huge sections in the dock.

At this time, if there is no large gantry crane, there is no way.

With the strength of China's shipbuilding industry, only China can build thousand-ton gantry cranes in the world.

Even in 2014, Zhenhua Port Machinery built the world's largest gantry crane for a shipyard in South America.

This gantry crane is capable of lifting 2,000 tons of heavy objects, and it is 150 meters high, which is equivalent to a 45-story building.

Zhenhua Port Machinery occupies 80% of the gantry crane market in the world's shipbuilding industry, which can be seen in general.

In particular, the 1,600-ton large gantry crane built by Zhenhua Port Machinery for the Changxing Shipbuilding Base in Jiangnan was considered to be used to build a new type of aircraft carrier in China.

Shen Huan knows the role of the gantry crane best, because he grew up in the family community of the Port Machinery Factory since he was a child, his parents both work in the Port Machinery Factory, and the unit he works for is Jiangnan Changxing Shipbuilding Group.

The gantry crane used for shipbuilding is a super-large lifting equipment, not only with large tonnage, but also with a span of volume and height, as well as a very considerable moving distance.

Operating such a behemoth does require superior technology, which is different from those tower crane drivers on construction sites and ordinary truck crane drivers.

In the shipyard, the rails of the gantry crane are full of large steel structures, and some of them are still assembled hulls, so the line of sight is very bad.

When hoisting and splicing the hull structure, when the structural parts are closed with other structures of the hull, it is the most difficult, and sometimes it takes even a day to close accurately.

This requires highly skilled crane workers.

And flight attendants, as women, have a more delicate heart, so their skills are even better than men.

Of course, the development of large-scale shipbuilding lifting equipment is also very long.

In the fifties, the maximum tonnage of the cranes in the shipyards was generally only 100 tons, and the height did not exceed 40 meters.

At that time, there were no gantry cranes with large tonnage and large spans.

Later, the shipbuilding circles of the United States and the foot basin country believed that the economic weight of the section should reach about 300 tons, so the lifting tonnage of the crane also began to expand, for example, the new western shipyard in the 60s of the United States can use two joint cranes of 400 tons of sections.

By the 70s, in the 300,000-ton dock of the Deguo Shipyard, there were 500-ton gantry cranes and 750-ton gantry cranes.

The gantry crane of the British Wolf shipyard is larger, it is equipped for a million-ton dock, which can lift 840 tons of heavy objects, with a span of 140 meters.

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In 1973, a 1,500-ton gantry crane appeared in the Ruidian Kaukum shipyard, and its dead weight was as high as 7,200 tons, making it the largest gantry crane in the world at that time.

Seeing that the good sisters received the award, Gao Mingyue was also so excited that she shed tears, she deeply knew that it was not easy for female workers working in the shipyard, especially the flight attendants, who were all high-altitude work, not only hard but also dangerous.

The female pacesetters also won the warmest applause!