FIELD: defectoscopy.
SUBSTANCE: invention relates to devices for monitoring technical condition of main oil pipelines, oil product pipelines by nondestructive methods by passing inside inspected pipeline of in-pipe ultrasonic flaw detector. Measuring system of the sensor carrier comprises holders made in the form of parallelogram mechanisms, each of which comprises platform with installed on it ultrasonic sensors and roller supports, providing specified distance from ultrasonic sensors to internal surface of pipeline. Platform is installed with the possibility of maintaining its angular position relative to the longitudinal axis of the sensor carrier when the parallelogram mechanism is folded. Holders are equipped with angular displacement transducers.
EFFECT: upgraded quality of diagnostics of pipeline in places with features of pipeline geometry.
1 cl, 4 dwg
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Authors
Dates
2019-06-28—Published
2018-12-17—Filed