Patent ID: 7861591
Filing Date: 2011-01-04
Classification: G01N

Abstract:
1. A device for ultrasonic inspection of a weld seam of a longitudinally welded pipe for defects comprising: an inspection unit, which is relatively displaceable on a pipe surface on at least one side of the weld seam, two inspection heads in a tandem arrangement, a distance between which inspection heads can be varied, that can be arranged relative to the pipe surface corresponding to an intended acoustic irradiation angle independent of the diameter of the pipe and further wherein one inspection head acts as a transmitter and the other inspection head acts as a receiver; a pick-up connected to each of the two inspection heads; a coupling means connection connected to each pick-up; a connecting element connected to each pick-up via the coupling means connection; longitudinal rails connected to the pick-ups and a connection coupling connected to the inspection unit on a stationary guide frame; and a bearing block connected pivotably to the connection coupling and connected in a positive-locking and non-positive manner to the connecting element.