JPS6453963U

JPS6453963U -

Info

Publication number: JPS6453963U
Application number: JP14999087U
Authority: JP
Priority date: 1987-09-30
Filing date: 1987-09-30
Publication date: 1989-04-03

Description

[Brief explanation of the drawing]

第１図はこの考案の超音波探傷用シールリング
を示す図、第２図は超音波探傷用シールリングの
スプリング収納部の断面図、第３図は超音波探傷
用シールリングの使用状態を示す図、第４図は第
３図をＡから見た図、第５図は従来の超音波探傷
用シールリングの使用状態を示す図である。図において、１は超音波探傷用シールリング、
２は水、３は槽、４は円柱形物体、５は探触子、
６は通過穴、７は楕円穴、８は重り、９はスプリ
ング収納部、１０は略Ｕの字状のバネ、１１はピ
ンである。なお、各図中、同一符号は同一又は相
当部分を示す。 Figure 1 is a diagram showing the seal ring for ultrasonic flaw detection of this invention, Figure 2 is a sectional view of the spring storage part of the seal ring for ultrasonic flaw detection, and Figure 3 is a diagram showing how the seal ring for ultrasonic flaw detection is used. FIG. 4 is a view of FIG. 3 viewed from A, and FIG. 5 is a view showing the state of use of a conventional seal ring for ultrasonic flaw detection. In the figure, 1 is a seal ring for ultrasonic flaw detection;
2 is water, 3 is a tank, 4 is a cylindrical object, 5 is a probe,
6 is a passage hole, 7 is an oval hole, 8 is a weight, 9 is a spring storage part, 10 is a substantially U-shaped spring, and 11 is a pin. In each figure, the same reference numerals indicate the same or equivalent parts.

Claims

[Scope of utility model registration request]

In the seal ring for ultrasonic flaw detection that is attached to both sides of the rotating tank that holds the probe group and seals the couplant, the center of the seal ring is aligned with the hole through which the cylindrical material to be inspected passes. and a plurality of elliptical holes on the circumference around the passage hole, and a part of the seal ring in the longitudinal direction of the elliptical hole is located so as to disturb the weight balance. a first seal ring and a second seal ring having a weight that is
Each of the spring storage portions is provided with a substantially U-shaped spring that constitutes a pair of double seal rings by providing a first seal ring and a second seal ring that are the same in opposite directions and are pressed against each other. Seal ring for ultrasonic flaw detection.