Siheyuan: Starting from a fitter

Chapter 109 Mechanical Exoskeleton ([-])

After dinner, Li Guocheng said goodbye and went home.

In the study room of Lao Zhao's house.

Father Zhao made tea for Mr. Zhao and put it in front of him. He took out half a bottle of white wine from his arms, poured about 2 taels into the enamel jar in front of him, and then put the bottle in the bookcase, blocking it with a book.

The old man curled his lips and said nothing.Father Zhao sat back on his chair as if nothing was wrong, picked up the cup, took a sip, gritted his teeth and exhaled, looking intoxicated.

"Boss, what do you think?" Mr. Zhao waited for Father Zhao to look at him and said such a meaningless thing.

Father Zhao understood. "It seems that what Li Guocheng said in the past may be true. He is the best in both understanding and innovation ability. I just can't understand how he is so good as a junior high school student." After speaking, he continued Shaking his head and smiling bitterly.

"Do we still see very few geniuses? We can't look at them from a conventional perspective. But there are very few who can truly become talents. What I admire most about Li Guocheng is that all his inventions are very down-to-earth. To enhance the country's industrial base strength. This is the foundation for the country's sustainable development."
The old man now feels more and more the importance of technology, and it is even more difficult to play a role in national economic construction.The current national economy is in dire straits, and a lot of investment in science and technology is bottomless. Even if it succeeds, it will not produce actual economic benefits.

"Since the conflict with the Soviet Union, our country's science and technology has actually not made substantial progress, but has been more digested and imitated. Compared with 10 years ago, the technological gap with the West is getting wider and wider. Some urgently needed high-tech products, Even if we use 10 times the price, we still have no way out and it’s frustrating.”

The old man is deeply aware of the serious situation at home and abroad. Li Guocheng's appearance is like a little light shining from the dark sky in the distance, giving the old man more expectations for the future.

"Yes, Dad, what makes people even more distressed is that in recent years, almost all the projects submitted for approval in various places are repeated constructions without any scientific and technological content, but they have to be approved, which takes up a small amount of budget funds." Dad Zhao He also looked helpless.

"There will be a brighter day. Now, in addition to working hard to do our own things, we must protect future hopes like Li Guocheng and give them more room to grow."

The old man regained his composure.

"Yes, Dad, we have notified the steel rolling mill to strengthen the security of the laboratory, and at the same time reduce Li Guocheng's exposure, and let the entire laboratory share the pressure. Fortunately, Xiao Li's age has become his best protective color." .

"Quietly raising the confidentiality level of the entire laboratory can make some disguise on the public information."

"Okay, Dad."

When Li Guocheng returned home, he found that Zhao Ting and Aunt Liu were really not there.

He came to the kitchen, lit the stove, filled the kettle and put it on the stove, sat down next to it and started carving.After all the five thermos bottles at home were filled with hot water, Li Guocheng returned to the living room, spread a piece of paper on the table, and started sketching.

After looking at the time, I knew they were working on another series of cases before they went home.

Every time they went on a mission, Li Guocheng was full of worries.But as the number of times increased, he let it go, and now he was thinking more about how to enhance their strength.

Li Guocheng drew the design drawings of the last holster and bulletproof shield and gave them to Zhao Ting. I heard that they have been produced and equipped in small quantities.

I have been thinking about how to improve their strength before. I originally wanted to think of ways to deal with firearms, and I have already begun to conceive. The target is military crossbows.On the way to Mr. Zhao's house today, I thought about how to improve the strength and stability of senior fitters in the steel rolling mill. A mechanical exoskeleton design that has been equipped with the army naturally appeared in my mind.

It is the second generation of general external force skeleton, which is a very mature passive mechanical skeleton.It perfectly solves the two difficulties that Li Guocheng has been thinking about: strengthening Zhao Ting's strength and assisting with the strength of the fitter.

The load-bearing assistance principle of the second-generation Puli exoskeleton is: a closed cable is surrounded by the upper and lower leg protectors. The built-in elastic energy storage module in the upper and lower leg protectors provides tension to the cable, and the cam structure at the knee joint will When the knee joint flexes, the tension of the cable is increased to provide the knee joint with a moment to resist flexion.

Therefore, even when the knee joint is bent, the weight on the back can be transferred to the ground through the leg rod, thereby sharing the weight on the human knee joint and achieving the purpose of weight-bearing assistance.

To put it simply, it also adds elasticity to the knee joint so that you cannot kneel down, but the spring is installed elsewhere.It not only has a protective effect, but also provides assistance.

Later designs used a large amount of engineering plastics or carbon fiber, but now they can only be replaced by aluminum alloys. A layer of cowhide is added to the protective gear, which is both wear-resistant and can protect the skin.

The buckle is made entirely of steel, and apart from being a bit heavy, there is nothing wrong with it.

I ran through all the rough plans, modeled them three-dimensionally in my mind, and optimized them ergonomically.

A foldable load-bearing tray is added to the back, and detachable weapon pendants are added to the crotch, chest and abdomen.After simulating it again, he was surprised by the finished product.

Perfect, sleep.

The next day, I came to the laboratory early and started processing the parts directly.

"Director Li, what are you busy with?"

Zhou Xiaojuan's voice suddenly appeared in Li Guocheng's ears, awakening Li Guocheng from his selfless processing work.

From the day she learned that Li Guocheng received the certificate, Zhou Xiaojuan ignored him for several days.Maybe it was due to her personality, but it didn't take long for her to break away from that state and no longer avoid Li Guocheng, and the relationship between the two became normal.

Today he showed his true nature again and became startled in front of Li Guocheng.

"Oh, you scared me," Li Guocheng said with a smile, and then started working on it again.

"This is a kind of magic tool. I newly designed it, and you will know it when the time comes." Li Guocheng bought a key on purpose.

"Oh, director, just tell me," Zhou Xiaojuan said in a coquettish tone. Fortunately, she didn't grab his arm and shake it like she did in the past. It seemed that she had really let go, and Li Guocheng felt relieved for a while.

Li Guocheng did not continue to pretend, "It is a purely mechanically assisted exoskeleton. It is like adding another skeleton to the outside of our body. It transmits the load to the ground through mechanical transmission. You can also carry it on your back. 100 catties of rice have been running for a long time."

"So amazing." Then she stared at Li Guocheng blankly. Just when Li Guocheng thought she was back from the dead, she said again: "You should be my master. I also want to be an inventor as powerful as you." Zhou Xiaojuan said seriously .

Li Guocheng had long had the idea of ​​training her as an assistant, "Just become a disciple and let's make progress together."

"This is what you said, and I take it seriously," Zhou Xiaojuan said extremely seriously.

"I said it, don't worry," Li Guocheng reluctantly gave his assurance.

"The old rule is to complete the surveying and mapping and then form the drawings." Li Guocheng immediately arranged the work. If he had an assistant, he would wait longer.

"You..." Zhou Xiaojuan said with a grimace, holding a few parts, came to the workbench next to her, took out a new drawing, and started surveying and mapping.

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(End of this chapter)