When will I have a long tassel?

Caodong City, Fengxi Province, is deep in the endless mountains.

"It's so beautiful!"

Yu Xiaohui stood by a cliff, wiped the sweat from his head, looked up at the greenery in the distance, and let out a heartfelt sigh.

"Chief Engineer Yu, this road is too difficult to walk. It's really hard for you."

The speaker was a deputy secretary-general of the Caodong Municipal Government named Hu Xuewei. He weighed twice as much as Yu Xiaohui, and the sweat on his head was more than Yu Xiaohui's, but his breathing was quite even. According to him, he is used to walking on such mountain roads. For him, this kind of path won't even achieve the effect of losing weight.

The "Equipment Poverty Alleviation Plan" proposed by the State-owned Assets Supervision and Administration Commission has been divided into various equipment manufacturing companies, and Linji Group has also undertaken part of the tasks. Yu Xiaohui led Linji Group's equipment poverty alleviation team during this trip to visit impoverished mountainous areas and seek solutions in poverty alleviation. Hu Xuewei is an accompanying person sent by Caodong City to carry out equipment-based poverty alleviation locally.

The country's poverty alleviation work is carried out in stages. Initially, it was targeted at extremely poor households to help them solve their actual living difficulties by providing living subsidies. Subsequently, there is the stage of technological poverty alleviation, which provides farmers in poor areas with production technology, improved crop varieties, improved livestock and poultry varieties, etc., allowing them to rely on their own labor to change their poverty situation.

There is no stability without agriculture, and there is no wealth without workers. This is the experience summed up by the country in the long-term economic construction. By developing agricultural and animal husbandry production, poverty-stricken areas can be helped to get rid of poverty, but in order to make the people here rich, they must ultimately rely on industry.

China's poor areas are mainly concentrated in the west, especially in remote mountainous areas. These places do not have the location advantages for industrial development and belong to corners forgotten by the industrialization process. The "Equipment Poverty Alleviation Plan" of the State-owned Assets Supervision and Administration Commission can be said to go against the trend. Its goal is to benefit these poor areas from the dividends of China's equipment manufacturing industry development in the past seventy years, so that the people in these areas can also enter the industrial era.

"Mr. Yu, I think this plan of the State-owned Assets Supervision and Administration Commission is not feasible."

Chen Zesen, a newly hired engineer from the Linji Group Research Institute, held his hands on the mountain wall and said to Xiaohui while breathing heavily.

"Why can't it work?"

Yu Xiaohui turned back, looked at Chen Zesen, and asked with a smile.

Chen Zesen pointed to the road they walked on and said: "If nothing else, how can machines and equipment be transported on such a mountain road? Our ordinary grinder must weigh tons, and it cannot be pulled by people. Can you carry it up the mountain on your shoulders?"

"We have also done things like carrying people on their shoulders." Hu Xuewei said seriously. He pointed forward with his hand and said: "Look, the steel structure of the iron tower in front is what we carried one by one. I came up the mountain. A few years ago, the country proposed to provide every village with electricity. All our cadres in the city were mobilized to help the power company carry materials. Good guy, after that year, I was able to I gained 20 pounds."

"puff!"

Wu Qiqi, the female engineer who was next to Yu Xiaohui, couldn't help laughing. In the past few days, everyone has been doing research together, and Secretary-General Hu’s weight has always been everyone’s joke. Hu Xuewei may be trying to build a good relationship with everyone, but he also likes to use his weight to show off his cuteness, and everyone is used to it. However, Wu Qiqi still found it a bit incredible to hear that she could gain 20 pounds after working for a year.

"There's nothing we can do. In the mountains, it's so hot in the summer and bone-chilling in the winter. We have to transport the steel beams one by one up the mountain. It's really hard to bear it without any physical strength. Where does the physical strength come from, isn't it? Do you rely on eating? At that time, I could eat a whole hoof in one meal. If I eat it in a year, wouldn't I gain 20 pounds?" Hu Xuewei said it as if it was true.

"That's true. I had a fat uncle in the past. He also said that the more you work, the easier it is to gain weight. On the contrary, you will lose weight if you are idle." Yu Xiaohui said with a smile. Thinking of Ning Mo far away in Africa, she couldn't help but feel a warm feeling. Going to the night market to eat skewers with Tang Zifeng and Ning Mo and listening to them chatting nonsense was the warmest memory in Yu Xiaohui's heart.

"It is relatively easy to lift the steel beam. This thing is long and thin, so it can be lifted up with a few more people. But the machine tool is an iron lump, and even if there are enough people, it cannot be moved. Also, It doesn't matter if the steel beam is knocked or bumped. Machine tools are precision equipment and will break if they are bumped." Chen Zesen found reasons for himself. He has a master's degree from a prestigious school. He has a very sharp mind and can see many problems.

Hu Xuewei said: "Don't worry, Mr. Chen. The farmers in the mountains here have experience and there are ways to transport such heavy things. As for the problem of collision..., well, it should be possible to do it with a little caution." "

Yu Xiaohui waved her hands and said: "We come for on-site research to discover various problems and then find ways to solve them. Xiao Chen and Xiao Wu, the problem just now is one of the issues we want to solve. You Think about it, is there any way to solve the difficulty of transporting equipment?”

After hearing that Yu Xiaohui gave them a question, Chen Zesen and Wu Qiqi both became serious. They knew that the chief engineer was very gentle on weekdays, but when it came to technical issues, he was very serious. Both of them are people that Yu Xiaohui values ​​​​very much, and they can be regarded as disciples led by Yu Xiaohui himself. Now that the master has spoken, how can they just ignore it?

"The problem Zeson mentioned just now is that our machine tools are too heavy and difficult to transport. I think the machine tool modularization technology developed by Professor Xiao can solve this problem. We split the machine tools into multiple modules, and the weight of each module No more than..., uh, no more than 200 kilograms, so it will be more convenient to transport, right?" Wu Qiqi suggested.

"Modularization is indeed a good solution. All the poverty alleviation machine tools we develop can be modularized. The benefit of this is not only convenient transportation, but also more convenient future maintenance. Cranes are also needed in rural areas. Inconvenient, the weight of a single module is lighter, and the difficulty of disassembly can be greatly reduced." Chen Zesen said.

"But what about the base of the machine tool?" Wu Qiqi asked, "Should we dismantle the base into several pieces? Will this reduce the structural strength of the machine tool?"

"Theoretically, there will be a certain impact." Chen Zesen frowned and said, "Generally, the base of machine tools is cast as a whole, so that the force is relatively even. If it is broken into several pieces, the vibration of each part will be different. , which will affect the machining accuracy.”

"If it is cast as a whole, the base alone will weigh one ton, and it is still inconvenient to transport." Wu Qiqi said distressedly.

"But why do we need a base?" Yu Xiaohui asked with a smile.

"What do you mean?" Chen Zesen was stunned, "Mr. Yu, what do you mean, why do you need a base?"

"That's what it means literally. Why do we have to have a base?" Yu Xiaohui asked, looking at the two students with his eyes, waiting for them to understand.

"We don't need a base. Should we install the machine tool on the stone?... Hey, we can really install the machine tool on the stone!" Wu Qiqi jumped up, with a look of joy on her face.

"Install the machine tool on the stone? Yes, why did I forget this operation?" Chen Zesen also understood what Yu Xiaohui meant after a brief moment of confusion.

"The best machine tools use natural rocks as their bases. The rigidity, thermal stability and vibration resistance of rocks are better than cast iron. The most indispensable thing in this mountain is rocks. We can screen and find out a few A kind of rock suitable as the base of machine tools can be mined directly in the mountains and processed into the base of machine tools. Doesn't this save the difficulty of transportation?" Yu Xiaohui said.

"I'm good at this." Chen Zesen said confidently, "When I was in graduate school, I helped my teacher do a project on the physical and chemical properties of rock materials. We can definitely find suitable stones in the mountains here."

"Ha, if our machine tool uses locally mined stone as the base, that would be so cool. It looks like a machine tool specially designed for poverty alleviation. Take a few photos and post them online, which will definitely brighten the eyes of many people." Wu Qiqi said happily .

"There is another problem, which is the accuracy of the machine tool." Yu Xiaohui did not answer Wu Qiqi's words. This kind of Internet hype is a favorite among young people. Yu Xiaohui is no longer the little girl who followed Tang Zifeng and Xiao Wenjun more than 20 years ago. She is the chief engineer of Linji Group. Naturally, it is impossible to pursue this person. It was fashionable, so he asked the two students a new question.

"I don't think such machine tools, used for side jobs in rural areas, need to be very precise, right?" Wu Qiqi said hesitantly.

"We have analyzed that the machine tools used in rural areas are only used for bamboo and wood processing or stone processing, and the accuracy requirements are definitely relatively low." Chen Zesen said, "However, no matter how low the requirements are, they are still requirements and are still needed. Consider the issue of maintaining accuracy.

“In such a big mountain, if a machine tool has some minor malfunction, it will definitely be very troublesome to find someone to repair it. Therefore, when we design, we must ensure that the machine tool is maintenance-free or easy to maintain.

"If there are some bumps in the machine tool during transportation, resulting in changes in accuracy, the installer only needs to make some small adjustments to adjust it."

"Hey, having said that, I thought of another issue. Our machine tools should be very safe. Rural people have less contact with machinery and lack safety awareness. Our machine tools should be able to ensure the safety of operators and bystanders to the greatest extent. "

"Do we also need to consider moisture-proof requirements? I think the humidity in the mountains is very high, and the materials of machine tools must fully consider moisture-proof and rust-proof issues."

"And the price, it can't be too expensive..."

"You also have to consider the use of electricity. Rural areas may not necessarily have power electricity. You should consider using 220-volt civilian electricity..."

The two young engineers let go of their thoughts. Hu Xuewei listened to their discussion. Although he didn't understand some technical questions, he still had a smile on his face.