The picture shows the comprehensive inspection train
China's high-speed rail as the most commonly used means of transportation, its shape has been deeply rooted in people's hearts, but in fact, China also has a mysterious yellow high-speed rail train, this high-speed rail train speed of up to 500 kilometers per hour, China has built 12 in one breath, but no one has ever sat on this kind of train, so why is this kind of train not let people sit? It is understood that this yellow train is not simple, it is a comprehensive detection train specially used to detect railway lines, only technical personnel can sit on this train, relying on this train, the operation of China's high-speed rail can be safe and stable.
The picture shows China's high-speed rail
For China, the significance of comprehensive inspection of trains is very important, China is a railway country, In the domestic 146,300 kilometers of railway mileage, the light high-speed rail line accounted for 37,900 kilometers, and because of the speed of high-speed rail, so that the speed of regional traffic and intercity traffic increased significantly, most of the most important choices in travel is high-speed rail, according to relevant statistics, China's high-speed rail annual passenger flow has reached 1.486 billion person-times, ranking first in the world, in the case of so many people who choose high-speed rail, it is of great significance to ensure the safety of each high-speed rail line.
These comprehensive detection trains are the first train on the high-speed rail line throughout the country, in the process of operation, the comprehensive detection train not only to complete the high-speed rail line flatness, power supply system, signal system and other aspects of the inspection, but also to ensure the reliability of the system along the line, after the line inspection is correct, the general civil high-speed rail train can start operating, comprehensive detection train although the train is hung with carriages, but the carriages are basically equipped with various types of precision instruments for maintenance, and there is also a conference room. In order to allow the engineer to discuss the solution to the problem.
And these comprehensive detection trains are also based on color to distinguish the level, such as the relatively low-level comprehensive detection car, its color is lighter yellow, the speed of this train is generally between 300-400 kilometers, and the high-grade train is golden yellow, such as China's current latest CIT400 level detection car, is white plus golden yellow color, the speed of this train is at 450 kilometers per hour, the fastest up to 500 kilometers, these trains not only have to undertake the task of railway inspection, Whenever a new line is opened, these "Yellow Doctors" also have to take the lead and "wade through the mines" for other civilian trains, and after confirming safety, the new line can be put into use.
In addition to China has this kind of yellow train, other rail countries in the world also have similar trains, such as France, France's IRIS320 train is a special comprehensive inspection train, France generally paints this train pink to distinguish, and China's close neighbor Japan also has a comprehensive maintenance car, the reason why Japan's Shinkansen has been called the safest train before, is because Japan will send a yellow inspection car every day before the Shinkansen is opened, which is very similar to China.
The picture shows the yellow Shinkansen inspection train in Japan
In general, it is the existence of these yellow trains that the safety of China's high-speed rail will become higher and higher, and in recent years, there has not been a single casualty accident, its safety has surpassed the aircraft, with the continuous increase of China's railway mileage and lines, these yellow trains will become more and more numerous.