China's Highest-Latitude High-Speed Railway, the Harbin-Yichun High-Speed Railway, Puts "Robot Doctor" into Service, Boosting Hollow Axle Flaw Detection Efficiency by 30%
China's highest-latitude high-speed railway, the Harbin-Yichun High-Speed Railway, has officially opened for operation. Faced with the dual challenges of opening a new line under extreme cold climate conditions and the high-intensity operation of EMUs, flaw detection of hollow axles—key load-bearing components of the car body—has become a core link in ensuring the safe and smooth operation of trains. Previously, flaw detection operations for EMU hollow axles mainly relied on manual operation, which not only imposed high labor intensity on maintenance personnel but also placed extremely high demands on detection accuracy and standardization. In response to the technical requirements under severe cold environments and the efficiency pain points of traditional manual maintenance, the Harbin EMU Depot of China Railway Harbin Group Co., Ltd., together with a scientific research team, successfully developed an intelligent mobile hollow axle ultrasonic flaw detector, which has already been put into trial use in EMU trial operations and routine maintenance.
2026-10-12
