JPH036564U - - Google Patents
Info
- Publication number
- JPH036564U JPH036564U JP3555389U JP3555389U JPH036564U JP H036564 U JPH036564 U JP H036564U JP 3555389 U JP3555389 U JP 3555389U JP 3555389 U JP3555389 U JP 3555389U JP H036564 U JPH036564 U JP H036564U
- Authority
- JP
- Japan
- Prior art keywords
- rotatably supported
- arm
- tire
- ultrasonic sensor
- steel pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 239000002775 capsule Substances 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 238000005192 partition Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/0289—Internal structure, e.g. defects, grain size, texture
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/04—Wave modes and trajectories
- G01N2291/044—Internal reflections (echoes), e.g. on walls or defects
Landscapes
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Description
第１図はこの考案の一実施態様を示す概略側面
図、第２図はその拡大平面図、第３図は第２図の
側面図、第４図は鋼管内の配置状態を示す部分正
面図、第５図および第６図は従来の装置の概略側
面図である。図面において、
１…鋼管、２…検査カプセル本体、３…スクレ
ーパーカツプ、４…タイヤ型超音波センサー、５
…アーム、６…第１軸受枠、７…第１アーム、８
…軸、９…第１コイルバネ、１０…第２軸受枠、
１１…第２アーム、１２…軸、１３…第２コイル
バネ、１４…外側ホルダー、１４ａ，１４ａ′，
１４ｂ，１４ｂ′…辺、１４ｃ，１４ｄ…連結片
、１５…孔、１６，１７，１８，１９…ピン、２
０…内側ホルダー、２１…第１ホルダー部分、２
２…第２ホルダー部分、２３…ローラ、２４…軸
、２５…仕切壁、２６…軸。
Fig. 1 is a schematic side view showing one embodiment of this invention, Fig. 2 is an enlarged plan view thereof, Fig. 3 is a side view of Fig. 2, and Fig. 4 is a partial front view showing the arrangement inside a steel pipe. , 5 and 6 are schematic side views of conventional devices. In the drawings, 1... Steel pipe, 2... Inspection capsule body, 3... Scraper cup, 4... Tire-shaped ultrasonic sensor, 5
...Arm, 6...First bearing frame, 7...First arm, 8
... shaft, 9 ... first coil spring, 10 ... second bearing frame,
DESCRIPTION OF SYMBOLS 11... Second arm, 12... Shaft, 13... Second coil spring, 14... Outer holder, 14a, 14a',
14b, 14b'...side, 14c, 14d...connection piece, 15...hole, 16, 17, 18, 19...pin, 2
0...Inner holder, 21...First holder part, 2
2...Second holder portion, 23...Roller, 24...Shaft, 25...Partition wall, 26...Shaft.
Claims (1)
体の走行方向の一方端側にその一端が回動可能に
軸支された一対の第１アームと、前記検査カプセ
ル本体の走行方向の他方端に、前記第１アームと
対向させてその一端が回動可能に軸支された１対
の第２アームと、前記第１アームの他端に回動且
つ摺動可能に軸支され、そして、前記第２アーム
の他端に回動可能に軸支された枠状の外側ホルダ
ーと、前記外側ホルダーの内側に、前記第１アー
ムおよび前記第２アームの軸支方向に対し直角な
方向に回動可能に軸支された枠状の内側ホルダー
と、前記内側ホルダーの前記第１アーム側に回転
可能に軸支されたローラと、前記内側ホルダーの
前記第２アーム側に回転可能に軸支されたタイヤ
型超音波センサーと、前記第１アームを前記鋼管
の内面に押すように作動する第１バネ機構と、前
記第２アームを前記鋼管の内面に押すように作動
する第２バネ機構とからなることを特徴とするタ
イヤ型超音波センサー保持機構。 ２ 前記内側ホルダーの前記第１アーム側に、前
記ローラに換えて、タイヤ型超音波センサーを回
転可能に軸支した、請求項１記載のタイヤ型超音
波センサー保持機構。[Claims for Utility Model Registration] 1. A pair of first arms, one end of which is rotatably supported at one end in the running direction of an inspection capsule body that runs inside a steel pipe to be inspected, and the inspection capsule body. a pair of second arms, one end of which is rotatably supported opposite the first arm at the other end in the running direction; a frame-shaped outer holder that is pivotably supported and rotatably pivoted to the other end of the second arm; a frame-shaped inner holder rotatably supported on the first arm side of the inner holder; a roller rotatably supported on the first arm side of the inner holder; a tire-shaped ultrasonic sensor rotatably supported; a first spring mechanism that operates to push the first arm against the inner surface of the steel pipe; and a first spring mechanism that operates to push the second arm against the inner surface of the steel pipe. A tire-type ultrasonic sensor holding mechanism comprising a second spring mechanism. 2. The tire-type ultrasonic sensor holding mechanism according to claim 1, wherein a tire-type ultrasonic sensor is rotatably supported on the first arm side of the inner holder in place of the roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3555389U JPH0645880Y2 (en) | 1988-09-24 | 1989-03-30 | Tire type ultrasonic sensor holding mechanism |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63-124806 | 1988-09-24 | ||
| JP12480688 | 1988-09-24 | ||
| JP3555389U JPH0645880Y2 (en) | 1988-09-24 | 1989-03-30 | Tire type ultrasonic sensor holding mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH036564U true JPH036564U (en) | 1991-01-22 |
| JPH0645880Y2 JPH0645880Y2 (en) | 1994-11-24 |
Family
ID=34424933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3555389U Expired - Lifetime JPH0645880Y2 (en) | 1988-09-24 | 1989-03-30 | Tire type ultrasonic sensor holding mechanism |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0645880Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50116584U (en) * | 1974-03-08 | 1975-09-23 |
-
1989
- 1989-03-30 JP JP3555389U patent/JPH0645880Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50116584U (en) * | 1974-03-08 | 1975-09-23 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0645880Y2 (en) | 1994-11-24 |