管道内腐蚀缺陷超声在线检测机器人设计

针对管道内腐蚀缺陷超声在线检测数据量大、灵敏度低的难题,采用超声反射单脉冲距离检测法,设计制造了一种新型长输管道缺陷检测机器人.设计了满足检测精度的探头阵列、机器人结构以及检测数据处理系统;进行了标准模拟缺陷检测实验,校准了阵列探头的性能.实验表明,所设计机器人检测数据量小,其检测灵敏度可达到检测10 mm×10 mm×1 mm(长×宽×深)的缺陷.

Ultrasonic Inspection Robot Design for Internal Corrosion Defects of Pipeline

In order to solve to the problems of big data and low sensitivity for ultrasonic detection of pipeline corrosion defects,a new ultrasonic detection robot for long-distance pipeline is designed and fabricated by using ultrasonic reflection monopulse detection method.Ultrasonic transducer array,machine structure and processing system of detection data are developed to meet the detection accuracy.Sensor array performance is calibrated by experiments which have been performed on a pipe specimen with standard flaws.Experimental results show that the test data amount of robot is small,the sensitivity of defect detection is 10 mm×10 mm×1 mm(length×width×depth).