Lin Gao Qiming

Chapter 232 Simple Rail Transit

"The old high-pressure boiler used wrought iron pipes." A fat man squeezed over. "I dismantled the antique boiler in our factory. There was no steel, but it was all soft iron. The fire pipes inside were made of wrought iron."

"Who are you?" Wang Luobin froze for a moment.

"I'm Xiao Gui, from the machinery factory." Fatty had a helpless look on his face. The leader didn't recognize him, so it was not a good thing anyway.

"Do you think there is a problem with imitating a high-pressure boiler?"

"It's not a big problem. It's just that there are many novices here and few experienced ones, and the work is not very good. In my opinion, let everyone practice from the simple Lancashire boiler—after all, Master Zhou's riveting work is also a novice. If you build something with low requirements, it won't be easy to cause accidents." Xiao Gui said very conservatively, but he didn't seem to care at all.

"Okay, let's imitate two Lancashire boilers first, and then build high-pressure boilers after practicing." Wang Luobin said.

Solving the boiler problem is equivalent to solving half of the steam engine problem.The key component of the steam engine is the cylinder, which is a product that tests the level of industrial processing.The cylinder is actually processed by a boring machine, and the quality of the cylinder directly affects the actual output power and safety of the steam engine.

The machinery factory has accumulated considerable experience in the use of large boring machines by processing artillery barrels in the past.There were no technical difficulties in making the cylinder this time.

The first steam engine "Mozi Type I" designed and manufactured by the traveler is a horizontal steam engine, which is driven by a Lancashire boiler. The cylinder with steam jacket is seated on the cast iron base, and the chute and base One piece and drilled holes.The crank pin is connected to a suspended crank plate, and the outer end of the crankshaft is supported by a separate bearing.The regulator automatically adjusts the degree of expansion according to the load of the machine.There are two main spool valves and expansion valves driven by eccentrics on the crankshaft.The cylinder has a diameter of 311mm and a stroke of 560mm. When the steam pressure is 4 kg per square centimeter and the speed is 95 revolutions per minute, it can generate 50 horsepower.This level is already comparable to the power of the low-power pot camel machine brought by Transit—of course, the pot camel machine achieves this with a smaller boiler volume.

If you want to expand the horsepower, you can directly enlarge the diameter of the cylinder and increase the stroke.Expand the cylinder diameter to 560mm and the stroke to 1000mm, and the output power of the steam engine with the same structure can reach 185 horsepower, which is enough for most industrial applications.

The materials used for boilers and steam engines, except for a few parts that use low-carbon steel, are either pig iron or wrought iron—very suitable for the metallurgical level of the traversers.

"Actually, there is still a lot of room for improvement." Xiao Gui commented on the design drawing drawn by Xiao Bailang, "For example, use a drop valve instead of a slide valve, or simply use a cylindrical swing valve—this depends on the improvement of the material and processing level. It's-"

"The processing level is fine. We have so many modern machine tools and professionals."

Xiao Gui smiled: "No one has done these jobs before, so it's better to be careful. Step by step. If something happens to the boiler or steam engine, it will kill people. Everyone has done it in the factory before, so don't forget about safe production."

"That's right, if you don't pay attention in the factory, there will be casualties at any time. The apprentices are better now, the children are more receptive, and the adult employees don't pay much attention, and they think we are making a fuss—sooner or later there will be work-related injuries." Jiang Ye deeply agrees .

"No way, people can't remember the lessons without blood." Zhan Wuya sighed, and said, "I won't say much about this. Our policy for producing equipment is: step by step, take small steps quickly, and keep improving. In terms of production technology, it is repeating the old path that the predecessors have traveled, and there is a basis for technological improvement, and there will be no detours.”

Start with equipment with simple technology, and gradually increase the technical content and processing difficulty of the equipment, so that you can quickly climb the technology tree and avoid risks brought about by radical development.

Even very simple and primitive equipment can play an important and even indispensable role at the present stage. Things like steam engines play a much greater role than diesel engines at the present stage.

The production of boilers and steam engines is a golden finger for the great cause of crossing, the key of the key.No one dared to be negligent, Ma Qianju ordered the planning committee to unconditionally approve the materials and energy applications sent by the labor and energy committee, and Wu De also patted his chest, expressing how much manpower he needed.The Lingao Construction Corporation even organized surprise construction and built factories.

Although there are many different types of factories in the five-year plan, in fact most of them are just various workshops in the Bopu Industrial Zone.The layout of the industrial area has undergone overall planning, with its full use of space and centralized arrangement of various pipelines.Sidewalks and simple tracks for moving goods are paved with concrete between workshops and warehouses.

Of course, this kind of track can't run the train, but two rolled wrought iron bars are directly embedded and laid on the concrete floor, and the bearing capacity is not large.Originally, the mechanical group planned to use hardwood rails. Considering the climate in Lingao—wooden products are easy to decay and damage during the rainy season, forged iron was used—it is cheaper than steel and tougher than cast iron rails. The main material used for railway tracks.

Originally, Zhan Wuya designed this kind of track just to imitate the simple transportation method between workshops in his previous life - he worked in the painting workshop for a while, and the large workpieces were loaded on a flatbed truck along the track and pushed from the previous workshop over here.That is to save manpower and save time, high efficiency.

However, the members of the train party who traveled through the crowd couldn't help but feel excited when they saw the track. After a joint letter signed by a group of people, the executive committee was finally moved, so the simple track between the workshops became a complicated set. "Rail System".

In the new plan, the length of the track has been greatly increased, and the range of connections is also wider: from Bairen City, farms, Dongmen City, to the hydropower station on the Wenlan River, the inland river wharf, Bairen Commune, and all the way to the factory area Various workshops, warehouses, and office buildings within the facility.It can not only transport various equipment, raw materials and goods, but also transport personnel.The track is provided with a turnout and an auxiliary rail every several distances so that vehicles can avoid each other.

In order to grasp the running status of the vehicle, it is convenient for dispatching.A high platform was also specially built as the main console, and a wired telephone and lighting control system were installed. In an emergency, a set of colorful flag visual system or directly connected to the radio can be used to control it with tweeters.

"Mr. Wen, these are the vehicles we designed for rail transit." In the vehicle workshop, Li Chiqi, the workshop director, introduced several flatbed vehicles parked under the work shed to several key members of the executive committee.As a young man who majored in machinery and automation, he was able to occupy such an important position because his major was basically useless, and he could spend his time on the tedious administrative work of leadership positions—like Jiang Ye, Zhou Billy, Xiao Gui These people with technology in their hands are too busy to do technical research, design and process products every day.

Of course, another reason why he serves as the director of the vehicle workshop is that he is a senior model player, especially the deep and fully internal vehicle model - he is the closest person to vehicle manufacturing.Since the vehicle workshop was born, it has lived up to expectations. It has refitted more than a dozen trolleys, manufactured and refitted the first batch of two-wheeled freight carriages, and recently produced the first four-wheeled carriage "Red Flag" type of Chuanzhong.

Wen Desi and the others looked at the flat rail cars under the shed. They all looked ordinary, no different from the small flat rail cars used in the factory in their memory.It's just that the vehicles in front of us are more made of wood.

"This is a basic flat-bed cargo type." Li Chiqi was wearing a jet-black overalls. He was a fat man with short curly hair and small eyes.

"The maximum load of this flat plate is 5 tons. There is no power, and it is driven by manpower, horses or bullet trains. If it is further improved, it is not difficult to achieve a load of 15 tons."

"Motor train traction, what kind of power?" Ma Qianju became interested. He remembered that the rail flat cars used in this kind of car are generally electric.Of course it's not possible here.

"Well, we have developed several models of motor vehicles, and we need to ask the Industrial Energy Commission to evaluate which ones to choose." Li Chiqi said, "We have designed a variety of detachable modification kits for this basic model, including Different functions can be realized by installing different kits for tank truck transportation type, bulk cargo transportation type, super long piece transportation type, etc.”

"This design idea is good." Wen Desi agreed.

Ma Qianzhu was not at ease: "Is there a problem with the bogie of the vehicle?"

"There is no problem. This difficulty was overcome when we developed the Hongqi carriage." Li Chiqi was confident, "One of the main problems limiting the vehicle load now is that the actual situation of the track load is uncertain."

Wen Desi waved his hand: "No problem. Back then, the British used wooden tracks and horse traction to transport several tons of coal in one car. What's more, our rail transportation is still constructed of concrete and steel materials."

"This is the second model: a self-propelled flatbed vehicle." The second model introduced by Li Chiqi is exactly the same as the basic cargo type, the difference is that there are four seats at the four corners of the flatbed vehicle, and there are some chains under the seats Wheels and the like, with pedals under each seat--apparently it was driven by human power.

"That's not bad, but is the driving force enough for four people to ride?"

"Enough is enough. It is very fast when it is empty, and we have installed a brake device on it. It is difficult to start when it is fully loaded." Li Chiqi has already done experiments. Help start, the four people in the car can't step on the pedals no matter what, "It takes about ten people to push together to start, and after starting, you can rely on the pedals to move forward."

Is it necessary to prepare ten people as starters?Obviously this kind of vehicle can only be used as a transportation vehicle or to transport light objects.

(End of this chapter)