JPH0473863U - - Google Patents
Info
- Publication number
- JPH0473863U JPH0473863U JP11575390U JP11575390U JPH0473863U JP H0473863 U JPH0473863 U JP H0473863U JP 11575390 U JP11575390 U JP 11575390U JP 11575390 U JP11575390 U JP 11575390U JP H0473863 U JPH0473863 U JP H0473863U
- Authority
- JP
- Japan
- Prior art keywords
- sliding member
- receiving coil
- inspection device
- intervals
- elastic material
- 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.)
- Pending
Links
- 238000007689 inspection Methods 0.000 claims description 4
- 239000013013 elastic material Substances 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Description
第１図は本考案の一実施例の移動体５の断面図
、第２図は本考案の一実施例の離隔渦流探傷法を
行う検査装置２の側面図、第３図は第１図の切断
面線−から見た断面図、第４図は摺動部材２
４の一部を示す斜視図、第５図はもう１つの移動
体６の断面図である。
１……管、２……検査装置、３，４……長手体
、５，６……移動体、７……受信コイル、８……
送信コイル、９……磁束、１３，３９……基体、
１４，１５，４１，４２……外取付け部材、１８
，１９，４３，４４……内取付け部材、２４，４
５……摺動部材。
FIG. 1 is a sectional view of a moving body 5 according to an embodiment of the present invention, FIG. 2 is a side view of an inspection device 2 for performing remote eddy current flaw detection according to an embodiment of the present invention, and FIG. A sectional view taken from the cutting plane line, FIG. 4 shows the sliding member 2.
FIG. 5 is a sectional view of another moving body 6. 1...Pipe, 2...Inspection device, 3, 4...Longitudinal body, 5, 6...Moving body, 7...Receiving coil, 8...
Transmission coil, 9... magnetic flux, 13, 39... base,
14, 15, 41, 42...External mounting member, 18
, 19, 43, 44...Inner mounting member, 24, 4
5...Sliding member.
Claims (1)
イルと受信コイルとが設けられ、交流電力によつ
て励磁される送信コイルから発生される磁界を受
信コイルで検出して管の検査を行う管の検査装置
において、 受信コイルは、長手体にその周方向に間隔をあ
けて複数個設けられ外方に凸に弯曲され弾発性を
有する材料から成る摺動部材に、取付けられ、 摺動部材の両端部のうち、少なくとも一端部は
、長手体の長手方向に変位可能とされ、 摺動部材の両端部に、相互の近接方向にばね力
を与えるばねを設けることを特徴とする管の検査
装置。[Claims for Utility Model Registration] A transmitting coil and a receiving coil are provided on a longitudinal body at intervals in the longitudinal direction, and the receiving coil detects a magnetic field generated from the transmitting coil excited by AC power. In a pipe inspection device that inspects pipes, the receiving coil is a sliding member made of an elastic material, which is provided in a plurality of receiving coils at intervals in the circumferential direction of the elongated body, is curved outward in a convex manner, and is made of an elastic material. At least one end of both ends of the sliding member is displaceable in the longitudinal direction of the elongate body, and springs are provided at both ends of the sliding member to apply a spring force in a direction toward each other. A pipe inspection device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11575390U JPH0473863U (en) | 1990-11-02 | 1990-11-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11575390U JPH0473863U (en) | 1990-11-02 | 1990-11-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0473863U true JPH0473863U (en) | 1992-06-29 |
Family
ID=31863545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11575390U Pending JPH0473863U (en) | 1990-11-02 | 1990-11-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0473863U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008078513A1 (en) * | 2006-12-26 | 2008-07-03 | Sumitomo Metal Industries, Ltd. | Eddy current examination method for internal fin tube, differential coil for eddy current examination, and probe for eddy current examination |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6327916A (en) * | 1986-07-22 | 1988-02-05 | Toshiba Corp | Documentation device |
| JPS63253249A (en) * | 1987-04-10 | 1988-10-20 | Nkk Corp | Pipeline inspection device |
-
1990
- 1990-11-02 JP JP11575390U patent/JPH0473863U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6327916A (en) * | 1986-07-22 | 1988-02-05 | Toshiba Corp | Documentation device |
| JPS63253249A (en) * | 1987-04-10 | 1988-10-20 | Nkk Corp | Pipeline inspection device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008078513A1 (en) * | 2006-12-26 | 2008-07-03 | Sumitomo Metal Industries, Ltd. | Eddy current examination method for internal fin tube, differential coil for eddy current examination, and probe for eddy current examination |
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