摘要 |
<p>A pipe inspection device for ultrasonically inspecting the wall of a pipe. The device includes a support rocker arm which is pivotally attached to an inspection vehicle at one end, and at its other end pivotally supports a spindle at the end of which two wheels axe rotatably mounted. One or more ultrasonic transducers are disposed inside each wheel to that when the vehicle is moved along the pipe, the wheels come into contact with the pipe such that the transducers are aligned in predetermined positions relative to the pipe. The device may be arranged for insertion in the bore of the pipe, or for assembly around the outside of the pipe.</p> |