King of Industry

  Chapter 644 Methods to improve the performance of heavy trucks

  At the dinner table, Zhao Guoyang spoke frankly, which made several senior officials of the FAW Group present feel a little ashamed.

  Wu Jianlong, who was originally complacent about his own factory's product "Jiefang J3" compared with the "Dongfeng Tianlong" of the competitor Second Automobile, turned red in the face.

  But there is no way out, Zhao Guoyang was asked to explain that he proposed it, and now he can only bear it silently.

  Seeing the embarrassment on Mr. Wu's face, Zhao Guoyang secretly laughed.

   To be honest, his original intention was not to attack Chairman Wu and FAW executives, but compared with the island country Foton Auman GTL, the performance gap between these two top-end heavy trucks in China is indeed relatively large.

  Of course, Zhao Guoyang said so much, not just to belittle domestic products, he naturally has his own intentions in it.

After Wang Shouyi and Mao Feiming had almost digested their narration, Zhao Guoyang changed the subject: "In the short term, generally speaking, it will be difficult for our domestic heavy trucks to catch up with the international advanced level. However, It is not impossible to make breakthrough improvements in some important performances."

   Speaking of this, Zhao Guoyang looked at Mao Feiming and said, "Mr. Mao, the heavy-duty trucks you need for the 'Second Construction of the Capital' basically transport goods to and from the surrounding areas of the capital, right?"

  Mao Feiming was stunned for a moment, then nodded again and again and said: "Yes, yes, that's right! The projects that our 'Second Construction' takes over are basically within the scope of the capital, and rarely need to travel long distances."

   "Researcher Zhao, what do you mean by this?"

  Zhao Guoyang explained with a smile: "It's not interesting, I just want to save you some money!"

  As soon as he heard the word "save money", Mao Feiming's eyes lit up immediately.

   This person blurted out: "Researcher Zhao, please give us some pointers on the 'Second Construction', I'm so grateful."

  Listening to the somewhat gaffe-like words of this boss, Zhao Guoyang was a little speechless.

He was not easy to talk to, so he could only cough and said: "I also said in the example just now that the performance of a heavy truck is good or bad, mainly from starting, acceleration, braking, noise, climbing, fuel economy, tug-of-war, driving. room static and other aspects to judge."

   "Starting, acceleration, fuel saving and other aspects are related to the performance of the engine and transmission. In this regard, our domestic products have not been able to make much change for the time being."

   "As for the noise and the static state of the cab, it also requires more delicate craftsmanship. We can't make major changes immediately. We can only wrong the drivers to overcome difficulties."

   "There is also the climbing performance of the vehicle. Mr. Mao also said just now, at least your "second construction" does not need too high requirements in this regard."

  After Zhao Guoyang finished speaking, he did not forget to consult Mao Feiming, who nodded repeatedly.

"In this way, the key to the problem is the 'braking' point. As long as our domestic heavy truck solves the 'braking' problem, or makes a relatively large improvement, it can satisfy you The requirement of 'Second Construction', isn't it?"

  Mao Feiming was slightly taken aback, nodded uncertainly and said, "Uh, the truth should be like this. But in general, imported heavy trucks are our first choice after all..."

  After hearing this, Zhao Guoyang was overjoyed: "Mr. Mao, if your first choice for the 'Second Construction' is to import heavy trucks, it will cost two or three times more."

"The single price of this heavy truck is not cheap. A Foton Auman GTL costs about 400,000 to 500,000 yuan. Is Mr. Mao really planning to use this car to make up for the gap in the current heavy trucks of the 'Second Construction'? That's the price. Not too small!"

   Zhao Guoyang's words are straightforward, but the truth is not bad at all.

Mao Feiming also knew the straightforward nature of this "Researcher Zhao" at this moment, so he was not angry at the moment, but nodded sincerely: "Researcher Zhao, what you said is also reasonable, at least in one or two years, we'll Erjian' has not adopted the strength of 'full import' on heavy trucks."

  Zhao Guoyang gave a thumbs up and said in relief: "I admire Mao Zong for telling the truth like this!"

"Actually, several leaders may have heard what I mean. In my opinion, as long as domestic heavy trucks make some improvements on the issue of 'braking' and narrow the gap with the international advanced level as much as possible, they can be applied to domestic heavy trucks. Most of the construction site’s…”

  After Zhao Guoyang said these words, several cadres of the FAW Group blushed for a while.

  At this moment, how could they still not understand that this researcher Zhao is helping his factory to sell!

Mao Feiming had obviously been persuaded by Zhao Guoyang, and immediately said "uh", "I completely agree with Researcher Zhao's point of view. It's just... the 'braking' problem of this heavy truck, since it has existed for so long, I don't think so Easy to fix, right?"

   Speaking of this, Mao Feiming's eyes involuntarily fell on several leaders of the FAW Group.

When his eyes met Wu Jianlong's, Chairman Wu immediately jumped up and said, "Mr. Mao, you don't have to worry about this at all. From what I know about Brother Guoyang, since he raised this question, you can There must be a solution."

  Wu Jianlong said while casting a "seeking" look at Zhao Guoyang.

  Looking at the "poor" look of this boss, Zhao Guoyang felt a little like laughing in his heart—feeling, Chairman Wu, really regards himself as the "master" of their FAW Group.

   "Oh? It's really like what Mr. Wu said, brother Guoyang, do you already have a solution to the problem?"

   Director Li Ru also looked at Zhao Guoyang with great interest when he heard what Wu Jianlong said.

   Director Li spoke, and everyone's eyes naturally turned to him.

Faced with so many eyes staring at him, Zhao Guoyang sat up straight, and said calmly: "If we want to change the current situation of poor 'braking' of our domestic heavy trucks, there are two ways. Make a fuss about the brakes."

Zhao Guoyang raised his hands and talked eloquently: "The general working principle of the braking system is to use the mutual friction between the non-rotating elements connected to the body or frame necklace, and the rotating elements connected to the wheels or transmission shafts to prevent the rotation of the wheels. , or turn the trend.”

   "The performance of the brake is undoubtedly the main factor affecting the braking ability of the vehicle. In this regard, the current level of domestic automobile brake technology is still relatively low. No matter how hard we try, it is impossible to catch up with the international advanced level in a short time..."

  When Zhao Guoyang said this, there was no sound in the box, and everyone listened intently to his narration, not wanting to miss a single word.

   After a slight pause, Zhao Guoyang continued to speak: "In addition to the 'brakes', there is another factor that has a great impact on the 'braking performance'. That is the axle load distribution of the vehicle."

   "Axle load distribution? What is that?" Mao Feiming was an outsider, so he asked this question right away.

Zhao Guoyang made a gesture of "Be safe and don't be impatient", and slowly explained: "The so-called axle load distribution of the vehicle refers to the vertical load of each axle on the supporting plane when the vehicle is empty and fully loaded. This data, It can also be expressed as a percentage of the total mass of no-load and full-load."

   "Under normal circumstances, the axle load distribution of a car is an important quality parameter of the car. It has a great impact on the traction performance, braking performance, handling performance and stability of the car, and even the service life of the tire."

   "Therefore, when we design the overall body, we must reasonably select the axle load distribution according to the layout, service conditions, and performance requirements of the car."

  When Zhao Guoyang said this, Wu Jianlong and several leaders of the FAW Group all brightened.

   Indeed, although they are not leading cadres in professional technology, they still have a certain understanding of the basic performance of the car.

  Obviously, Zhao Guoyang's narration is reasonable, and there is nothing wrong with it.

   Wu Jianlong secretly clenched his fists excitedly, staring at Zhao Guoyang intently, for fear of missing something.

  On the other side, Director Li Ru nodded in agreement.

  He, the director of the equipment industry department, is a professional. He even spent a period of time in the vehicle research institute below, specializing in the performance of automobiles.

  Seeing that Zhao Guoyang found a solution to the "braking" problem within minutes, he couldn't help but feel greatly the young man's flexible thinking and quick response.

  Different from Li Ru, Wang Shou knows nothing about vehicles.

   But he is a frequent driver himself, and he is no stranger to some performance conditions of cars.

  Listening to Zhao Guoyang's high-spirited talk at this time, Director Wang was secretly amazed, and felt that his meal was really worth the money.

Zhao Guoyang didn't know what the cadres and bosses present were thinking, and continued to explain unhurriedly: "When determining the axle load distribution of a car, the designers consider the most about the static directional stability of the car, and the dynamic directional stability of the car. both aspects of stability.”

   "In theory, the distance from the center of mass of the car to the neutral steering point of the car has a decisive impact on the static directional stability of the car. In other words, this data has the greatest impact on 'braking'."

   "As long as we make more fuss about this data and carefully demonstrate it, it should be relatively easy to improve the braking performance of our domestic heavy trucks."

  Zhao Guoyang went on to say: "If we want to consider all aspects, the axle load distribution of our domestic heavy trucks naturally cannot be changed simply for the braking performance."

   "But this road can be said to be a shortcut. In this special period, if we only want to improve the 'braking performance' of our domestic heavy trucks, this road is completely feasible..."

  After Zhao Guoyang finished speaking, everyone at the scene sat quietly in their seats and savored the true meaning.

   After a long while, Li Rucai sighed softly and said, "Brother Guoyang, your idea is really...I don't even know what to praise! From the perspective of feasibility, there is absolutely no problem!"

   Director Li Ru's words can be regarded as the final conclusion of Zhao Guoyang's remarks, and they have given great affirmation.

  (end of this chapter)