Zhengzhou, February 14 news (reporter Xia Sha) At 13:08 on February 13, the 55459 comprehensive inspection vehicle was like a silver lightning bolt across the Central Plains, and during the gradual acceleration of the Puyang to Zhengzhou section of the Jizheng high-speed railway, it ran out of the highest speed of 385km/h, and achieved the phased target task of the joint commissioning test.
Jizheng high-speed railway Puyang to Zhengzhou section of the speed increase during the gradual acceleration of the highest speed of 385km/h (Central Broadcasting Network Issued by Ma Liangyu photo)
The step-by-step speed test refers to arranging a comprehensive test train to gradually increase the speed of the operation test on the line according to the requirements of the joint commissioning test outline, until it reaches 110% of the design speed of the line. The main line of the Puzheng section of the Jizheng high-speed railway has a total length of 197.28 kilometers and a design speed of 350km/h. According to the design standard, the step-by-step speed test was carried out according to four levels of 360km/h, 370km/h, 380km/h to 385km/h, and finally proved that the high-speed rail line reached the design speed target value.
The joint commissioning and joint test team is conducting a step-by-step speed-up test of the joint commissioning test (Photo by Ma Liangyu of the Central Broadcasting Network)
It is understood that in the step-by-step speed-up test of the joint commissioning test, the comprehensive detection train is planned to carry out a forward and reverse speed test of 385 kilometers per hour in both directions on February 13 and 14 in the Puzheng section of the Jizheng high-speed railway.
In order to ensure the smooth progress of the test, the Zhengzhou aircraft maintenance section selected 20 high-speed rail drivers and technicians with strong professional ability, excellent psychological quality and experience in joint commissioning and joint testing to form a joint commissioning and joint test team, combined with the test outline, the test plan, line data, equipment operation, etc. risk analysis and judgment, the production of operation instructions, risk control charts, manipulation prompt cards, drawing data tables and five-color maps, to provide safety guarantee for the smooth progress of the test.
As the "last stroke" of Henan's "meter" shaped high-speed rail network, the Jizheng high-speed railway has entered the countdown to opening. After its opening, this high-speed rail line will become a fast passenger transport channel connecting the Central Plains Urban Agglomeration and the Shandong Peninsula Urban Agglomeration, which is of great significance for strengthening henan province's transportation location advantages, strengthening regional exchanges, and promoting economic and social development along the route.