"Okay, I would like to follow the official's order and tell everyone." Su Xie said.
"The front section of the tram is pulled by oxen and horses, but it is very inconvenient and has many disadvantages. First, the speed cannot be controlled; secondly, the track passes through the urban area, and the oxen and horses are easily disturbed; thirdly, the oxen and horses pull directly, and the load capacity is less, so they cannot pull it.
No matter how many things are moved, the carrying power is too much, and it is difficult to control when crowded on the track..."
"The Transportation Institute of Gewuyuan has been studying new transportation methods. Once, the Metallurgical Institute designed a cable car for a coal mine. The Transportation Institute was inspired by it and started a new design with the help of the Mechanical Institute."
Su Xie pointed to the tall tower building and said: "As you can see, sixty-four cows move this big disk, the disk turns the round iron column inside, and the round iron column turns a series of gear sets on the second floor.
Then it drives a set of chain ropes. This chain is as thick as an adult’s arm, and it goes through there..."
Su Xian pointed to a bridge connecting the iron tower building to the platform, "From there to the smaller round tower next to the platform. There, the chain drives a cylinder, which drives a large cylinder at the bottom of the round tower through the gear set.
Disc. The big disc is a winch, which pulls a steel cable through several sets of pulleys. This steel cable is as thick as a child's arm and is placed on the bridge deck..."
"On the bridge!" everyone exclaimed.
"Yes, it's on the bridge. We added a channel in the middle of the track. There are pulleys inside, and the steel cables slide in these pulleys, from Qionglin Garden to Xinzheng. There is also a round tower at Xinzheng Gate, which is built at
Between the city tower and the platform, I didn’t take everyone in to see it at the time. To put it bluntly, it was a circular steel cable pulling between two huge turntables.”
Seeing the blank expressions on most people's faces, Su Xie thought for a while, asked his entourage for a brocade belt, and then started to demonstrate with Li Wei.
"Now I tie this belt into a knot and connect it end to end. This is what I call a ring shape. Now my arm is the disc of Yiqiu Bridge, and Li Siye's right arm is the disc of Zhuque Gate."
Su Xie put the belt on his and Li Wei's raised arms, keeping a distance apart. He pulled hard with his right hand, and the smooth silk belt twitched back and forth between the two arms.
Oh, so that’s it. But what’s the use?
"This steel cable that rotates back and forth between the two discs at Qionglinyuan and Xinzhengmen is the power of the railcar. The chassis of each railcar has a mechanism. If you pull it, there will be three blocking points in the front, middle and back.
The rotating steel cable will get stuck, and then the rotating steel cable will pull the rail car forward. At each station, pull back again, and the stuck point will be released, and the steel cable will no longer lead the rail car forward.
With the addition of brakes, the rail car can stop steadily on the platform and board and unload passengers."
Oh, that’s it, I seem to understand, but I don’t seem to understand.
"The biggest danger in this newly improved steel cable tramcar is the steel cable that twitches back and forth. There are two steel cables along the track, one is in the channel, a dark one, and a light one above.
You must go there. Always take care of it, and you are not afraid of wind and rain. It is just afraid of people, cattle and horses entering randomly. This thing is extremely powerful. Once it is entangled, it will be shattered to pieces."
"So we thought of a way to put it on a bridge. In this way, the operation is self-contained and will not be disturbed. Just erecting the bridge and the platform must be suspended in the air, which is very costly."
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【Shizu of the Song Dynasty】 【】
"We only built the section from Qionglin Garden to Xinzheng Gate as a test and to accumulate experience. Some people suggested that we build it directly to Zhuque Gate, but we really can't afford it and it's too expensive."
Everyone listened to Su Xie's explanation and walked around in a circle to see what was new. Some were sighing at the great power of this steel, and some were doubting whether it was meaningful... There were different opinions and discussions.
I just felt intimidated when I saw this extremely huge steel monster and its huge power that could pull sixteen railcars at a time.
A fear of unknown forces.
There is still a long way from Qionglin Garden to Chengjun University, and most of them are on foot. But the officials and princes cannot walk there. So Li Gang arranged for more than 20 public carriages to take them there.
Zhao Si specially called Su Xie and Li Wei into his carriage so that they could talk.
"The steel cable tramcar is easy to use in mines and also works in ports, but it is difficult to use in normal transportation. It has many disadvantages, so it can only be used as it is. I still look forward to the emergence of steam locomotives, then
It’s the royal way.”
"The officials are wise. Steam locomotives are indeed the king of rail transportation. With it as power, many difficult problems can be solved. It's just that the sealing and efficiency of steam locomotives need to be improved."
Su Xie answered calmly.
"Guan Jian, since the machine manufacturing institute developed the boring machine, the sealing performance of the steam engine cylinder has been significantly improved. But the accuracy still needs to be improved. Only when the accuracy is improved, the efficiency will be improved and the volume of the machine can be reduced.
We will make the expected steam locomotives. But as the officials said, this is a systematic project, and it cannot be improved at all. It must be fully improved... There is no rush."
Levi agreed.
"Officially, improved steam engines have been widely used in mines. In addition to pulling cable cars, they also play an important role in pumping out water from tunnels and blowing air into tunnels."
Li Wei introduced enthusiastically.
"We have never understood the basic principle of the water pump before. Officials pointed out the way to use steam condensation to form a partial vacuum to absorb the accumulated water in the tunnel."
Zhao Si smiled and said, "You are not bad either. You quickly came up with the idea of adding a steam storage room and separated it from the condensation room with a valve. This immediately improved the efficiency and reduced coal burning by two-thirds."
"It's all the officials who pointed out the maze. We just took one step in the direction you pointed out." Su Xie and Li Wei said in unison, "I know that Your Majesty has great secrets in mind, so please feel free to give me some advice."
"I do still have something in my stomach, but it's still early. After waiting for another twenty years, I will finish all the things I should be busy with, and I will concentrate on learning. By then, the scientific foundation of the Song Dynasty will be almost completed.
, you can also use my secret."
Su Xie and Li Wei looked at each other and said respectfully: "Thank you, Your Majesty."
Zhao Si waved his hand, "You guys, you'd better hurry up and get the prototype of the steam locomotive out. Yancheng is in Peiping and has already repaired all the test sections for you. From the Tongzhou Canal Wharf to the Tianzi Warehouse in the south of the city, it's a full fifty
The railway tracks have been laid for seven miles."
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【Shizu of the Song Dynasty】 【】
"Officials, please rest assured. The prototype is being tested and can run up to twenty miles. I believe we can go to Peking for testing next year."
"Well, Gewuyuan and Biyong University... must be prepared for relocation. The survey team discovered a geomantic treasure land east of Peiping. There are extremely rich coal mines in Yifeng, Shicheng, Macheng and other counties in Luanzhou.
It is close to iron and steel, and is close to the sea. It will become an industrial center in the north in the future."
"The end point of your scientific and technological research is industry, which is to improve productivity. Industry needs science and technology as its foundation...they complement each other and are indispensable."
