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1. Luban’s inventions

Luban’s inventions What are Luban’s inventions?

(1) Cloud ladder: It is an instrument used for siege in ancient times. "Mozi Gongshu" records: "Gongshu Pan was a tool used by Chu to build a ladder, and it was completed." "Warring States Policy: Gongshu Pan Sets Up the Rules for Chu" writes that when Mozi went to see Gongshu Pan, he said: "I heard that Gongshu Pan was a ladder to the clouds." Both prove Lu Ban's deeds of building a ladder.

(2) Gouqiang: Gouqiang is also called "Gouji" and "Gouju". It was a fighting tool used in ancient water warfare. According to "Mozi Lu Wen" records: In the past, Chu and Yue fought on the water, because "the people of Chu advanced with the current and retreated against it. When they saw advantages, they advanced, and when they saw disadvantages, they retreated. The people of Yue advanced against the current, and followed the current." If it retreats when it flows, it will advance if it sees an advantage, and it will retreat quickly if it sees a disadvantage." This resulted in Chu's defeat at the hands of Yue. In order to change the situation of the war, when Lu Ban first arrived in Chu, Chu made the first concession to make this kind of weapon, which could hook the retreating enemy ships and resist the attacking enemy ships.

(3) Wooden magpie: a flying instrument made of bamboo. According to "Mozi Lu Wen", "Gong Shuzi whittled bamboo and wood to make a magpie, and when it was ready, it flew and stayed there for three days."

(4) Woodworking tools: During the Spring and Autumn Period and the Warring States Period, the production technology level of construction carpentry has reached a very high level. Lu Ban and the craftsmen at that time were inseparable from woodworking tools when building houses and bridges. "Mencius Li Lou" said: "The master's trick is that it cannot be made into a circle without rules." This shows that there were "rules" and "rules" at that time. The curved ruler in use today may have been developed by Luban on the basis of "moment". Modern carpenters call it "Luban ruler".

What did Luban invent? A breakdown of Lu Ban’s inventions

For more than two thousand years, his name and stories about him have been circulating among the people. Our country’s civil craftsmen all respect him as their ancestor. So Lu Ban invented What? Luban made many inventions, including the ink fountain, the stone mill, etc. Luban's inventions enjoy a high reputation in our country, but there are also some things that were not invented by Luban but were mistakenly believed to be his inventions. So what are they? Luban's invention - plane What did Luban invent? First, let’s talk about Lu Ban’s invention - the plane. Lu Ban was a carpenter and was very skilled in using an ax to chop wood, but it was still difficult to chop the wood flat and smooth with an ax. For this reason, Lu Ban made another thin plane. The ax was sharpened very quickly, and it was much better for cutting than before, but it was still not ideal. Once, Lu Ban saw a farmer rake the ground very flat. He was inspired by it and made a flat-edged ax when he returned home. The knife was covered with a piece of iron. This time Lu Ban stopped chopping. He used the knife to push on the wood. With one push, the wood was pushed down with a thin layer of wood chips. After pushing for more than a dozen times, the surface of the wood became smooth and smooth. It was smooth and much better than cutting with an ax in the past. However, when pushing this thing in the hand, it would get stuck in the hand and make it difficult to use force. Luban also made a wooden base and put the narrow knife in it. The plane was born. .Luban's invention - Mo Dou What did Luban invent? Here we must also mention the ink fountain. Lu Ban created the ink fountain used by carpenters to draw lines. It was the result of his inspiration when he saw his mother using a powder bag to draw lines when she was cutting clothes. When the ink fountain was first made, Lu Ban would draw lines every time. He had to ask his mother for help and hold one end of the ink line. Sometimes, when his mother was making clothes or cooking, she had to put it down and rush to help. One day, Luban's mother said to him: "Can you just make a little spoon?" Are you holding the ink line on my behalf?" Lu Ban heard this and said, "Yes!" He quickly made one. From then on, one person can play ink lines. To this day, carpenters still call this little hook "Class Mother"? Luban's invention - Shimo What did Luban invent? In addition to the plane, there is also a very important tool in Luban's invention, that is, the stone mill. It is said that 6,000 years ago, people began to use stones to crush or grind grains. More than 4,000 years ago, people invented a method called The rice grinding tool is the "pestle and mortar". However, the pestle and mortar are time-consuming and labor-intensive. It can only grind a small amount of grain each time, and will cause backache over time. One day, Lu Ban came to another place to work, and happened to see an old woman pounding rice. Wheat. The old woman was too old to lift the stone pestle. She held the stone pestle and ground the wheat grains in the stone mortar. Lu Ban walked over and saw that many of the wheat grains in the stone mortar had been ground into powder. Lu Ban He got inspiration from here. When he returned home, he found two large stones, chiseled the stones into two large discs, and cut grooves on one side of each disc. One of the large stone discs had a groove on it. He made a hole and installed a wooden handle, stacked two stone disks together, the two sides of the grooves met, and installed a shaft in the center. He put wheat on the middle hole of the disk, and used human or animal power to make it rotate. The stone mill that can grind wheat into powder has been widely used in rural areas of my country for two thousand years. The invention of Luban's sister - the umbrella. Is there anything that was not invented by Luban but was mistakenly thought to be his invention? Once, Lu Ban and his sister were visiting the beautiful scenery of Suzhou and Hangzhou when it started to rain heavily, so they made a bet to see who could invent the best tool in a month to allow people to play on rainy days. The next day, Lu Ban built a pavilion on the road. Lu Ban's sister thought hard, but she never had any good ideas. Seeing that the pavilion built by her brother Lu Ban was almost completed, she felt even more anxious. Occasionally one day, it rained heavily, and there was a child holding a lotus leaf on his head. He ran in front of Lu Ban's sister. However, the lotus leaf with the concave side facing upward had accumulated a lot of rainwater and gradually could no longer withstand it. The child had an idea and turned the lotus leaf over and put it on his head. An umbrella with the convex side facing upward. The shaped hat appeared. Lu Ban's sister discovered that umbrella-shaped things can keep out the rain. An idea came to her and umbrellas came into being. A month later, Lu Ban built dozens of pavilions along the Su Causeway. Just when he was smug and thought he had a chance to win, his sister appeared, holding the current umbrella in her hand.

The story of Lu Ban’s invention of the saw. Who inspired him to invent the saw? How many years did he invent the saw?

During the Spring and Autumn Period and the Warring States Period, there was an inventor named Lu Ban in our country. For more than two thousand years, Since then, his name and stories about him have been circulated among the people. Later generations of earthwork and carpenter craftsmen all respectfully call him the ancestor. Lu Ban was born around 507 BC. His surname was Shu, and his name was Ban. Because he was from the state of Lu, So people respectfully called Lu Ban. Some books wrote it as Gongshu Pan or Gongshu Pan. He was mainly engaged in carpentry work. At that time, people had no good way to make trees into flat and smooth boards. Lu Ban paid attention to observation in practice , imitating biological forms, invented many woodworking tools, such as saws, planes, etc. How did Luban invent the saw? It is said that one time when he went into the mountains to cut down trees, his hand was accidentally scratched by a leaf of a weed. He took off the leaf and touched it gently. It turned out that there were sharp teeth on both sides of the leaf. His hand was cut by these little weeds. He also saw a large locust on a weed. The two large teeth were also lined with many small teeth, so they could grind the leaves quickly. Luban learned from these two things Inspired. He thought, if such a tooth-shaped tool was available, wouldn't it be possible to saw through trees quickly? So, after many experiments, he finally invented a sharp saw, which greatly improved work efficiency.

How Lu Ban invented the saw (preferably no more than 100 words)

Lu Ban was the most famous craftsman in ancient my country and a very great inventor. Master carpenters The hand tools used, such as drills, planes, shovels, rulers, and ink fountains for marking, are said to have been invented by Lu Ban. The invention of each tool was inspired by Lu Ban in production practice and after repeated research and experiments Out. The invention of the saw: One day, Lu Ban went to a high mountain to look for wood. Suddenly his foot slipped. He hurriedly reached out and grabbed a clump of thatch by the roadside. His hand was torn by the slip of the thatch, and blood oozed out. "Why doesn't this happen? Why is the humble thatch so sharp?" He forgot about the pain of the wound, picked up a handful of thatch and looked at it carefully, and found that there were many sharp little teeth on the edge of the grass leaves. He used these dense little teeth to gently touch the back of his hand. With one stroke, a hole was actually cut. He thought: If I also use a tool with many small saw teeth to saw the trees, wouldn't I be able to saw the wood quickly? That would definitely be much less labor-intensive than chopping with an axe. So, Luban asked a blacksmith to make dozens of iron pieces with sharp small serrations on the edges, and took them to the mountain for experiments. Sure enough, the trees were soon sawed. Broken. Luban gave this newly invented tool a name, called "saw" (from netizen Zong Quan).

The story of Lu Ban’s invention of the saw is about 400 words long. It has a variety of craftsmanship, such as building houses, building bridges, making machines, etc. It has been circulated among the people for hundreds of years. It is said that one year, Lu Ban accepted a task of building a huge palace. The palace required a lot of wood, so Lu Ban asked him to The apprentices went up the mountain to cut down trees. Since there were no saws at that time, his apprentices had to use axes to cut down trees. However, this was very inefficient. The craftsmen got up early and worked hard every day. They were exhausted and could not cut down many trees. It was far away. It was far from meeting the needs of the project, causing the project progress to be delayed again and again. Seeing that the project deadline was getting closer and closer, Lu Ban was anxious. For this reason, he decided to go up the mountain to inspect the felling of trees in person. When he went up the mountain, because of his Accidentally, he accidentally grabbed a handful of a kind of weed growing on the mountain, but cut his hand suddenly. Lu Ban was very surprised, why is a piece of grass so sharp? So he picked off a leaf and observed it carefully. He found that there were many small teeth on both sides of the leaf. When he touched it gently with his hand, these small teeth were very sharp. He understood that his hand was scratched by these small teeth. Later, Lu Ban saw a big locust eating leaves on a grass. The two large teeth were very sharp. They opened and closed and quickly ate a large piece. This also aroused Lu Ban's curiosity, and he caught it. Live with a locust and carefully observe the structure of the locust's teeth. It is found that the two large teeth of the locust are also arranged with many small teeth. The locust relies on these small teeth to bite off the grass blades. These two things left Lu Ban with It made a very deep impression on him, and also inspired him a lot, and he fell into deep thinking. He thought, if the tools for cutting wood were made into a sawtooth shape, wouldn't they also be very sharp? It was much easier to cut down trees. So he used a large moso bamboo to make a piece of bamboo with many small saw teeth, and then tried it on a small tree. The result was indeed good. The bark was torn in just a few times, and he tried harder. After a few pulls, the small tree pole created a deep groove. Luban was very happy. However, because the bamboo slices are relatively soft and weak in strength, they cannot be used for a long time. After pulling for a while, some of the small saw teeth were broken and some became blunt. , the bamboo chips need to be replaced. This affects the speed of felling trees, and using too many bamboo chips is also a big waste. It seems that bamboo chips are not suitable as materials for making saw teeth. You should look for one with higher strength and hardness. materials to replace it, then Lu Ban thought of the iron piece. So they immediately went down the mountain, and the Qing blacksmiths helped make the iron piece with small saw teeth, and then went to the mountain to continue practicing. Lu Ban and his apprentice each pulled one end and pulled it on a tree When I got up, I saw the two of them going back and forth, and soon they cut the tree. It was fast and labor-saving. The saw was invented like this. Before Lu Ban, there must have been many people who had their hands scratched by wild mosses. In a similar situation, why was only Lu Ban inspired by it and invented the saw? This is undoubtedly worthy of our consideration. Most people just think that this is a small thing in life and not worth making a fuss about. They often forget about it after healing the wound. But Luban has relatively strong curiosity and correct ideas. He pays great attention to the observation, thinking and study of some small events in life, and finds methods and ideas to solve problems, and even obtains some creative inventions. This tells us The truth is that paying attention to many inconspicuous little things in life and thinking diligently will increase a lot of wisdom.