Weld joint identification method applied to double-track rail flaw detection

• Main Authors: ZHANG JIE, YAO JIDONG, SHENG ZHONGYI, XIE SUNCAI, YU TIANLE, ZHANG YONGHE, MAO SHAOHU, ZHU JIDONG
• Format: Patent
• Language: Chinese; English
• Published: 19.03.2019
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The invention discloses a weld joint identification method applied to double-track rail flaw detection. The weld joint identification method comprises the following steps: S0, initializing a flaw detection and rail surface monitoring integrated system; S1, acquiring rail internal damage data by adopting a double-track rail ultrasonic flaw detector; S2, converting an ultrasound analog signal of therail internal damage data into a digital signal, and transmitting the digital signal into a PC terminal by Ethernet communication; S3, synchronizing with the step 1, and acquiring rail surface imagedata by adopting a camera; S4, synthesizing a rail surface image by using the acquired rail surface image data; S5, identifying the synthesized rail surface image, and judging whether the image has aweld joint or not; S6, calling a coded value during acquisition of the rail surface image data, and converting the coded value into mileage information; and S7, finishing flaw detection data display and automatic weld joint mar