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Liu Changhe laughed after listening to Liang Haiping finish talking about the weakness of the double-layer undercar, shook his head and said: "Haiping, the express under the jurisdiction of the Road Bureau is not all running for 16 hours, like Shengjing and Dalian The distance between the two cities is only 400 kilometers, 25S If you can reach the design speed, whether Shengjing to Dalian can be compressed to 3 hours, so the shortcomings of Haiping are not shortcomings." ”

"It's still Liu Ju's broad vision, and I'm a halfway monk, and my understanding of the railway system is still only superficial. ”

Liang Yuan listened to Liang Haiping and Liu Changhe praising each other, but his heart was a little hairy, now is not the new century, the domestic railway at 120 kilometers per hour, 140 kilometers per hour two checkpoints have accumulated a lot of operating experience, speeding up to the state of quasi-high-speed railway is a matter of course.

In 87 years, the general operating speed of domestic trains is about 4050 kilometers per hour, constituting a series of basic technologies of quasi-high-speed railways, such as ultra-long-distance seamless rails, high-power high-speed traction locomotives, electrified railway signal control systems, semi-closed or fully closed interval control, anti-settlement roadbed, etc.

Liang Yuan subconsciously shrunk his neck, the Ministry of Railways in the previous life only came into contact with the quasi-high-speed train with a speed of 160 kilometers per hour in 98, and only began to promote the quasi-high-speed train formation with a speed of "K" on a large scale in 04.

After the Northeast Locomotive Factory introduced the double-decker bottom of the GDR, the process was advanced by 10 years, and Liang Yuan scratched his hair in distress. The high-speed railway is not a joke, if it is because of the introduction of 160 kilometers per hour under the car, the Ministry of Railways in the case of insufficient technology accumulation, forced to start the 160 kilometers per hour quasi-high-speed railway, in case of the previous life of the high-speed rail 7.23 kind of accident, but really worthy of the resounding name of the traverser.

"Bureau Liu, do you mean that the ministry wants to go to the quasi-high-speed railway?" Liang Haiping finally asked the question that Liang Yuan wanted to ask the most.

Liu Changhe pondered for a moment before saying: "Since the 25S has been successfully offline. There are some things that Haiping will know sooner or later. ”

"The ministry has long had this plan, as early as 80 years, the central government on high-speed rail and air transportation. We have conducted research and debate on which mode of transportation is more suitable for our country, and finally concluded that our population density is far greater than that of the United States, and it is not suitable for our national conditions to vigorously develop aviation like the United States. The Shinkansen high-speed train to Japan is very much in line with the demographic situation of our country. ”

"When Comrade 286 visited Japan, he took the Shinkansen high-speed train many times, and was very impressed by the Shinkansen, and after returning to Japan, he asked the Railway Research Institute many times whether China was capable of studying similar high-speed train formations. ”

"Originally scheduled to T1112 times to replace the 25G car bottom, is the key to the construction of the quasi-high-speed railway, the prototype of 25G is Changchun Bus Factory through guò World Bank loan to introduce the British 25-O type car bottom, the construction speed of 140 kilometers, after a series of localization work on the bottom of the car, found that the 204P bogie supporting the bottom of the car has zài design defects, and the temporary operating speed can only reach 100 kilometers. ”

"According to the original plan, after the 25G model rolled off the assembly line. The replacement of the T1112 is only a secondary purpose, mainly to provide the bottom of the car for a newly opened line in the ministry. Liu Changhe stopped, looked up at the red banner hanging high at the entrance of the garage, nodded with satisfaction before continuing: "As early as last year, the ministry decided to take advantage of the fact that there are fewer curves in the Grand Railway. Shengjing and Dalian are also the advantages of regional first-class hubs, opening a direct express train with a speed of 140 kilometers per hour between the two places, accumulating experience for the future operation of quasi-high-speed railways, in order to match the speed of 140 kilometers per hour of the 25G type, the road bureau carried out a large-scale upgrade of the turnouts along the way last year, and even the name of the new train was collected by the guò newspaper. It's called the Liaodong Peninsula. ”

"Originally planned to January 1 next year, the Liaodong Peninsula officially opened for operation, how did I think that the long-distance passenger 204P bogie problem could not be solved, a few days ago 25S through the guò department of the ring line test, I was relieved, otherwise the Liaodong Peninsula opened next year is likely to continue to use the original 22 type car bottom, then the road bureau's face will be lost. ”

Liang Yuan and Liu Changhe said so much before they suddenly realized that the Ministry of Railways in the previous life was pitted by the British. Where is the foreigner's money easy to get, it really makes you spend a high price to buy defective products, and at the same time makes you take countless detours.

In 1988, the Liaodong Peninsula train was opened as scheduled, equipped with the 25-type car bottom produced by Changchun Coach Factory, the Ministry of Railways at that time only focused on publicity, the Liaodong Peninsula was the first non-stop direct train between the two cities in the country, and the operating speed of the marshalling was not mentioned.

Until 94 years, after the long passenger car solved all the problems of the 204P bogie, in July of that year, 16 25G passenger cars full of passengers pulled by two Dongfeng 4B locomotives did not stop one stop along the way from Shengjing Station, and the Liaodong Peninsula arrived at Dalian Railway Station 4 hours later. The operation of the Liaodong Peninsula has finally reached 100 kilometers per hour for the passenger trains of the Republic of China, which has become a milestone in the history of China's railway speed.

When Liang Yuan went to Dalian to play, Li Yuanling once took Liang Yuan to do the Liaodong Peninsula train, in Liang Yuan's impression of the Liaodong Peninsula is extremely windy, belongs to the kind that sways on the entire long railway, in order to ensure the speed of the Liaodong Peninsula, regardless of passenger and freight, all train marshalling must be avoided by the Liaodong Peninsula, Liang Yuan has counted that in the four-hour trip from Shengjing to Dalian, the Liaodong Peninsula has more than 20 passenger marshalling, and basically every time you pass through a station, you will see a passenger train stopping to avoid.

Liu Changhe looked at the long blue and white train parked in the garage, and the body line was slender and straight 25S type car bottom nodded with satisfaction, and continued: "At the same time as the agreement was signed, the joint test and joint commissioning work of the 25S type car was also launched, and the chief engineer of the ministry, Zhao Tiemin, and Liu Zhigao, the deputy minister, will board the car to participate in the first joint trial and adjustment work, if it were not for the 25S blockbuster on the ring line, I really don't have the confidence to agree to their request." ”

"If time permits, Haiping is better to transfer a few railway experts from the GDR from Benxi, and Zhao Tiemin, the chief engineer of the joint test and commissioning, is likely to ask Haiping about the potential of the 25S car bottom to speed up, as for the bottom of the car to reach the design speed, the problem of poor riding experience Haiping does not worry, let us first solve the problem of whether there is any, and then consider whether it is comfortable. ”

Liang Yuan followed behind and listened to Liu Changhe say so much, so that the attitude of the Ministry of Railways and the Road Bureau towards the Northeast Locomotive Factory was roughly touched, and there was no need to worry about the Ministry and the Road Bureau to wear small shoes for the time being, but since the Ministry planned to use the Liaodong Peninsula to do a quasi-high-speed railway test, now the problem of the bottom of the car was solved in time due to the appearance of Liang Yuan, but how to solve it in the head of the tractor (to be continued......

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