The “Synergy” train is a kind of MRI apparatus for subway railways. / Arkady Kolybalov
The total length of the metropolitan subway lines is 750 km. If you walk around them with mechanical measuring devices, as once, it will take months to examine. During this time, minor defects can become obvious damage and even cause an accident. The diagnostic complex helps to detect them in time.
From the outside, an ordinary train of five passenger cars is equipped with a variety of instruments, and inside its cars, instead of passenger seats, there are desktops with monitors. “Sensors take readings in real time. The crew – ten engineers and other specialists, decipher what they see and make a conclusion,” Anatoly Burmistrov, head of the diagnostic complex, told RG. – The complex works while moving. He goes during the most “quiet hours” for the subway – during the day.
Aleksey Pavlov, deputy head of the diagnostics and monitoring center of the Moscow Metro Infrastructure Directorate, told RG that the heart of the complex is optical instruments for measuring the geometry of the rail track. With their help, irregularities are detected in the metal. Hidden defects are determined by ultrasound diagnostics. “Our staff at least three times a month examines each metro line, this allows you to quickly notice the slightest violations and eliminate them in time,” says Pavlov.
Source: Российская газета by rg.ru.
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