Take a plane to the Ming Dynasty

Chapter 262
Installing the fan is not pouring the foundation, if you make a mistake or break it, you can just replace it. This thing is bought by him for 2000 million yuan, so there can be no omissions.

Moreover, unlike pouring foundation concrete, installation is a delicate job!

To train them!

Zhu Changyuan organized all management personnel, as well as crane operators and operators, to watch the video about fan installation that he got from modern society in the large conference room.

These videos are presented by the manufacturer when purchasing the fan, and they can be regarded as the image version of the manual.

After watching the video, he asked Yan Hong to find an engineer to recite the technology he brought from modern society to the workers one by one until all of them understood.

It took two days of training, and when hundreds of people were all familiar with the fan installation procedure, the fan installation began.

Choose a sunny day, oh no, it’s a sunny day, and bring those trained soldiers who can’t be more skilled and various scientific and technological leaders to the mountain to install fans.

However, what Zhu Changyuan didn't expect was that many residents on the island also spontaneously went up the mountain, either to help, or to go up to have a look after knowing the major events on the island.

Zhu Changning is the earliest mechanical master trained by Zhu Changyuan. He personally went to the 260-ton crawler crane to operate the crane. The other operators on the 130-ton crane and the [-]-ton crane are also mechanics, all trained by Zhu Changyuan with skill books Come out the professionals.

After the personnel are in place, let the workers carefully scrape away the soil layer buried on the foundation, and then remove the geotextile covering the foundation to expose the fresh concrete inside.

After so many days of curing and heat preservation, the concrete has already turned hard and white, and the pre-embedded rings and other steel components are also firmly fixed in the solidified concrete, motionless.

"Okay, very good, this quality is not bad!" Zhu Changyuan was not too demanding, after all, the concrete was mixed by his own hands with bare hands, so it is very good to have such a quality.

Seeing that the personnel and machinery ready for installation were already in place, Zhu Changyuan waved his hands and said, "The first thing is to hoist the control cabinet first!" He commanded the [-]-ton small crane according to the windmill hoisting plan and the content of the usual training Go and adjust the control cabinet stored next to it, and then carefully place it on the pre-buried parts on the foundation.

The control cabinet is the control center of the entire fan, which can adjust the voltage, current and frequency!The electricity generated by the wind turbine is first sent to the control cabinet to be stabilized, and then the control cabinet is output to the outside to connect to the grid for boosting. After the voltage is boosted to ten thousand volts, it can be transmitted over a medium distance.

The control cabinet is installed with the cooperation of the crane and the workers, and is welded together with the grounding embedded parts by electric welding, so that it forms a whole with the foundation, and the installation of the first step is considered complete.

The installation of the control cabinet is very simple, and someone with a little hoisting knowledge can do it for him, but the next installation is the highlight.

What to install next?
Pylons!

It is said that the tower is too elegant, in fact, it is the big cylinder that stands up to tens of meters, and it is also the body or legs of the entire wind turbine, so it should be easy to understand!
The height of the towers varies, but most of them are more than 50 meters. For example, the overall height of the tower purchased by Zhu Changyuan is 62 meters.

Some people say that the 62-meter shelf is not enough to lift it up with a 260-ton crane and put it directly on it?

Nonsense, of course not!

Moreover, there is no shelf installed like this in the world.

All the towers are prefabricated and divided into three sections after leaving the factory, and each section is extended from the ground to the top. It is not installed at a stretch of 62 meters, because the towers are all steel structures, and the steel structures are Flexible structure, if one end is lifted by a crane, the middle part will be deformed.

Forget it, let's get down to business!
Zhu Changyuan took a deep breath, and asked the workers to tie the special wire rope that had been prepared long ago to the fixed position of the first section of the tower, and then slowly hoisted the tower with a 260-ton crane, and then lifted it in mid-air. Suspended vertically.

After aligning the ring piece below, slowly land!
The first tower has a height of 17 meters and a weight of 52 tons. It is not too heavy in principle. Unfortunately, if the height of the object is 17 meters, it needs a lifting height of more than 20 meters, so there is only a 260-ton crane. Can meet the requirements.

The huge tower slowly fell vertically under the hoisting of the crane, and the people around them involuntarily stepped back for a certain distance.

This tower looks a bit scary, not to mention the circular one, the diameter of the entire steel pipe underneath is four meters, a full four meters!
What is the concept of four meters, that is to say, the hollow bottom area of ​​the tower has a full twelve or three square meters, which should be comparable to a small master bedroom.

The tower slowly descended, and slowly put the control cabinet just installed on the foundation into it, and then, the cylindrical four-meter large steel pipe fit tightly against the pre-buried ring piece on the foundation!
"Go! Adjust your position!" Zhu Changyuan ordered the workers to come forward.

At this time, the tower was still suspended in the air by the crane, but it was very close to the ground, less than a foot away, so the workers tied the tail end of the tower with a rope, and it was effortless to move it back, forth, left, and right.

After adjusting the position, dozens of people stepped forward to support it, and then Zhu Changning slowly, slowly, it took almost a minute to lower it by more than ten centimeters, and it took a full 1 minutes to move the whole big guy put it on the floor.

"Boom!" There was a dull sound when the metal collided.

"Okay, quick, welding, anchor bolts, high-strength bolts!"

As soon as Zhu Changyuan's words fell, someone had already prepared everything, went up and tightened the bolts with a wrench, and then, after all the bolts were screwed, someone would remove the wire rope from the crane!
The first section of the tower is preliminarily installed, and the entire control cabinet is wrapped in a hollow tower like a steel pipe.

Of course, there is a small small door at the bottom of the tower, and people can go in after opening it. There is a spiral ladder along the tower, and you can go up to the top of the tower along the ladder.

In order to make the tower strong enough, after installing all the bolts, Zhu Changyuan ordered people to weld the place where the bottom of the tower and the pre-embedded ring pieces are in contact with each other, so that the whole tower is stable enough.

When all the welding is completed, the installation of the first section of the tower is considered a perfect success!
The installation of the first section of the tower took an hour, that is, two hours, from the lifting to the final installation.

Does it look difficult?

No, it should be said that it is very easy, if it is compared with the tower installation of the second section and the third section!
The real hard part is the second quarter!
The length of the second section of the tower is 22 meters, a full five meters longer than the first section of the tower, but the weight of the second section of the tower is much lighter than the first section, only 41 tons.

why?
Because the second section of the tower is thinner than the first section of the tower, the diameter of the bottom is only a little over [-] meters (the thickness of the entire tower is getting thinner and thinner as it goes up!).

Although the weight is ten tons less, it is more troublesome to install, because this time it is not connected on the foundation, but connected in the air!
How to connect?

Of course, it still depends on the cooperation of people and cranes.

First, people take the walkie-talkie from the bottom of the first section of the tower, climb to the top of the first section through the spiral ladder, and then on the middle operating platform, watch the second section of the tower descending from the sky. Walkie-talkie command.

"Go up, go up, go north, go north!"

Yes, that's how it's directed.

Then, the bottom of the second section of the tower is tied with four long ropes, and the tower that swings in the wind in mid-air is controlled by artificial pulling on the ground.

The person standing on the top of the first section (at this time the first section has been installed and fixed) must have enough courage and overcome the fear of heights, otherwise, if you look down and see that Nima has fallen headlong, you will also command Shit.

In this way, following his command, the second section of the tower slowly descended until the first person was placed in the middle, and then fell on top of the first section of the arm, the two sections joined together!
"Boom!" A huge voice came out, much farther in mid-air than on the ground before!
"Bang bang bang." After the two sections of the tower were combined, a small adjustment was made again, and then, through the inner flange at the junction of the two sections of the arm, they were firmly connected together with bolts.

There are many bolts, and the interior of the steel pipe with a diameter of more than three meters is covered with hundreds of high-strength bolt holes, large and small.

The workers went up and worked for a long time before tightening all the bolts on it, and then checked them one by one, and tightened them again if they were found to be loose, and checked them three times. After confirming that there was nothing missing, the installation of the third section of the tower began!
(I have thought about how to describe the flange plate to everyone many times, but it is a pity that the concubine can’t do it. If I don’t know it, I just searched the word flange plate on Baidu and saw the picture. In fact, everyone has seen it, but they don’t know about it. What is it called!)
The installation of the tower in the second section took exactly four hours to adjust. Four hours, that is, eight hours!When it was all done, it was dark!
Installing this thing is not like pouring concrete, you can work overtime at night, but you can't work overtime at night with this thing, or you will definitely die.

No way, I had to dry half of it and put it there and then rest!
The next day, it was another sunny day, and Zhu Changyuan organized personnel again early in the morning to start the installation of the third and last tower!

The length of the third tower is 23 meters, and the weight is lighter, only 27 tons!However, the hoisting height is very high, because including the length of all the pipes this time, it is exactly 62 meters.

In addition to the reserved height, the hoisting height will be even higher.

The installation of the tower in the third section is similar to the second section, but it is more difficult, higher and windier!
It took Zhu Changyuan a full five hours to complete the command!

During the period, because the pipe was too high, a worker was in a trance on the tower, and then fell down, completely dead!

There was no way, the thing was too high, it was standing on an independent steel pipe, and the wind was strong in the air, so the worker accidentally fell to his death while replacing the safety belt.

This is still wearing a seat belt. If you don't wear a seat belt, you don't know how many people will die!

Zhu Changyuan led all the residents on the island to pay a silent tribute to the brave man who dared to climb to a height of more than 40 meters and see him off!

On the third day, I have to continue to work, and the height of the climb is also higher this time, which has reached 62 meters!
At an altitude of 62 meters, the wind can blow people down!

However, the warriors of Riyue Island were fearless and went up bravely. Finally, the auxiliary crane placed the 61-ton generator cabin on the top of the tower!
The nacelle is very large, like a small room on the top of the tower, which contains the core technology of the wind turbine: the generator.

After the nacelle was installed, it took another day to install all the blades on the hub, and then hoist the blades together with the hub.

At a height of 62 meters, the workers braved the severe cold and windy weather, and finally connected the hub with the blades to the engine room.

At the same time, the entire fan is completely installed.

Seeing the tower like Optimus Prime standing on the top of the high mountain, the crowd boiled up.

"Successful, successful!"

"My God, what kind of wind turbine is this? Monkey King's Ruyi Golden Cudgel is nothing more than that. Do you know how much this Optimus Pillar weighs?" Someone asked in a low voice.

Zhu Changyuan happened to hear this. He picked up the loudspeaker and shouted high in the crowd: "Just now I heard someone ask how much this wind turbine weighs. Let me tell you that the total weight of this wind turbine is 210 three and a half tons!"

Seeing that the people below were unclear, Zhu Changyuan said again: "If it is converted into our catties, it should be 42 catties. Do you think it is as heavy as a golden cudgel?"

"My God, isn't the golden cudgel only 42 catties, this guy actually weighs [-] catties, my dear, the golden cudgel is more than a fraction of it!"

. . . .

Listening to the discussion of the people below, Zhu Changyuan waved them to stop, and said: "Don't talk about it, if you can't send the electricity, what's the use of it?" After finishing speaking, he said to Yan Hong who was not far away: "Okay Alright, it's time to start."

Yan Hong nodded and ordered the electrical engineer to enter the tower through the small door at the bottom of the tower.

The generator is installed and the power lines are connected, but the blades are still motionless in the strong wind!It's not that it's broken, and it's not that it's not installed properly, but that it hasn't been turned on yet, so naturally it won't be able to move. Otherwise, wouldn't it be death to work with live electricity?
"Turn on!" Yan Hong also shouted inside with a loudspeaker.

Three seconds later, the blades on the tower started to move slowly. The rotation was very, very slow. It was not that the wind was not strong enough, but that the blades weighed more than [-] tons with the hubs added, and they had to drive the power generation inside. machine, so it turns very slowly when starting up.

However, it is great to be able to start. If the wind is a little weaker, it will be a joke if the windmill cannot start!
"Huh!" Seeing the windmill turning slowly, Zhu Changyuan really let out a long sigh of relief. After so many days of hard work, it was finally not in vain.

On the basis of no investigation and full investigation and research, relying on one's own random guesses, it is also an extremely remarkable thing to be able to build a wind turbine and generate electricity.

(End of this chapter)