| 摘要 |
PURPOSE:To widen the range of applications of the materals to be checked having differnt dimensions and to improve accuracy, workability, and working efficiencey, by the movement of a moving block in the direction of a diameter and the adjustment of sliding rods at a supporting part. CONSTITUTION:A clamping part K and a guiding part G are fixed to a flange body FB. A ring 21 is concentrically positioned with the flange part FL. The position of the sliding rod 44 is adjusted in response to the thickness and the like of a steel pipe SP and fixed. A probe PV is contacted to the outer surface of the steel pipe SP which is separated from a welded part W by a specified distance with an appropriate pressure, Fixing handles 39a and 45a are tightened, and slinding rods 41 and 46 are fixed. When a power source switch is turned ON, the output of a motor 34 is transmitted to a pinion 31 through a gear box, a driving part D is revolved and rotated along the ring 21 of the guide part G, and the probe PV is slidde nand moved along the outer surface of the steel pipe SP. The ultrasonic wave from the probe PV is inputted into the surface of the steel pipe SP at a large incident angle, and transmitted toward the welded part W. |
