JPS61195470U - - Google Patents
Info
- Publication number
- JPS61195470U JPS61195470U JP7897685U JP7897685U JPS61195470U JP S61195470 U JPS61195470 U JP S61195470U JP 7897685 U JP7897685 U JP 7897685U JP 7897685 U JP7897685 U JP 7897685U JP S61195470 U JPS61195470 U JP S61195470U
- Authority
- JP
- Japan
- Prior art keywords
- sensor
- pressure fluid
- sensor holder
- attached
- rotary disk
- 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
- 238000001514 detection method Methods 0.000 claims description 8
- 230000035939 shock Effects 0.000 claims description 3
- 239000006096 absorbing agent Substances 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims 9
- 239000000463 material Substances 0.000 claims 5
- 230000000452 restraining effect Effects 0.000 claims 3
- 238000010521 absorption reaction Methods 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 claims 1
- 230000007547 defect Effects 0.000 claims 1
- 230000008054 signal transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Description
第１図は本考案による一実施例としての回転探
傷装置を示す概略横断面図、第２図は第１図の回
転探傷装置の正面の回転円盤部を示す概略図、第
３図は第１図の回転探傷装置の回転ドラムの詳細
構造を示す斜視図、第４図は従来の装置のセンサ
のリフトオフの変化量の記録例を示す図、第５図
は本考案の装置のセンサのリフトオフの変化量の
記録例を示す図、第６図は従来の回転探傷装置の
回転プローブ探傷機構の概略横断面図、第７図は
第６図の回転プローブ探傷機構の正面の回転円盤
部の概略図である。
１０１…ベース板、１０２，１０３…軸受、１
０４…回転円盤、１０５…回転駆動用プーリ、１
０６…信号伝達用スリツプリング、１０７…信号
伝達用ブラジ、１０８…外部固定枠、１０９…励
磁器、１０９Ａ…励磁コイル、１０９Ｂ…励磁磁
極、１１１…サイズ調整機構、１１１Ａ…サイズ
調整ツマミ、１１２…センサ支持桿、１１３…枢
軸、１１４…可動アーム、１１５…バランウエイ
ト、２００…回転探傷装置、２０１…回転ドラム
、２０２，２０３…エア通路、２０４…エア通路
形成体、２０５，２０６…エア通路、２１０，２
１１…エアホース、２１２…センサ、２１３…セ
ンサホルダ、２１４…シヨツクアブソーバ。
FIG. 1 is a schematic cross-sectional view showing a rotary flaw detection device as an embodiment of the present invention, FIG. FIG. 4 is a perspective view showing the detailed structure of the rotating drum of the rotary flaw detection device shown in FIG. A diagram showing an example of recording the amount of change, FIG. 6 is a schematic cross-sectional view of a rotating probe flaw detection mechanism of a conventional rotary flaw detection device, and FIG. 7 is a schematic diagram of the rotating disk portion in front of the rotary probe flaw detection mechanism of FIG. 6. It is. 101... Base plate, 102, 103... Bearing, 1
04... Rotating disk, 105... Rotating drive pulley, 1
06... Slip ring for signal transmission, 107... Brass for signal transmission, 108... External fixed frame, 109... Exciter, 109A... Exciting coil, 109B... Exciting magnetic pole, 111... Size adjustment mechanism, 111A... Size adjustment knob, 112... Sensor support rod, 113... Pivot, 114... Movable arm, 115... Balun weight, 200... Rotating flaw detector, 201... Rotating drum, 202, 203... Air passage, 204... Air passage forming body, 205, 206... Air passage, 210,2
DESCRIPTION OF SYMBOLS 11...Air hose, 212...Sensor, 213...Sensor holder, 214...Shock absorber.
補正 昭６０．１２．１９
図面の簡単な説明を次のように補正する。
本願明細書第１８頁１５行の“信号伝達用ブラ
シ”を「信号伝達用ブラシ」と訂正する。Amendment December 19, 1980 The brief description of the drawing is amended as follows. "Signal transmission brush" on page 18, line 15 of the present specification is corrected to "signal transmission brush."
Claims (1)
にして回転する回転盤と、該回転盤に取り付けら
れたセンサとを備えており、前記回転盤を回転さ
せることにより前記センサを前記被検査材のまわ
りに回転させて前記被検査材の表面の欠陥を検出
する回転探傷装置において、前記センサの受感部
を前記被検査材の表面に対面させるようにして前
記センサを保持し且つ前記被検査材の対面表面に
高圧流体を噴出しうる開口を有したセンサホルダ
と、該センサホルダの浮動を許すようにして前記
回転盤に対してそのセンサホルダを取り付けるた
めの取付け部材と、前記センサホルダの前記開口
へ高圧流体を供給するための高圧流体供給手段と
、前記高圧流体の噴出力の反作用力及び回転遠心
力に抗する抑制力を前記センサホルダに与えて前
記センサの受感部が前記被検査材の表面に近接保
持されるようにする抑制力付与手段とを備えてい
ることを特徴とする回転探傷装置。 (2) 前記取付け部材は、前記回転盤に一端を取
り付けた支持桿と、該支持桿の他端に枢動しうる
ように中間部を取り付けた可動アームとを備えて
おり、前記センサホルダは、前記可動アームの一
端に取り付けられており、前記高圧流体供給手段
は、前記回転盤までの流体通路と、該流体通路と
前記センサホルダの前記開口との間を流体接続す
る可撓配管とを含んでおり、前記抑制力付与手段
は、前記可動アームの他端に取り付けられるバラ
ンスウエイトである実用新案登録請求の範囲第(1
)項記載の回転探傷装置。 (3) 前記抑制力付与手段は、前記可動アームの
前記他端に関連付けられた衝撃吸収用シヨツクア
ブソーバを含む実用新案登録請求の範囲第(2)項
記載の回転探傷装置。[Claims for Utility Model Registration] (1) A rotary disk that rotates around the central axis of a material to be inspected having a circular cross section, and a sensor attached to the rotary disk, the rotary disk being rotated. In a rotary flaw detection device that detects defects on the surface of the inspected material by rotating the sensor around the inspected material, the sensing part of the sensor is made to face the surface of the inspected material. a sensor holder that holds the sensor and has an opening capable of spouting high-pressure fluid onto the facing surface of the object to be inspected; and the sensor holder is attached to the rotary disk in a manner that allows the sensor holder to float. a mounting member for supplying a high-pressure fluid to the opening of the sensor holder, a high-pressure fluid supply means for supplying high-pressure fluid to the opening of the sensor holder, and applying a restraining force to the sensor holder to resist the reaction force of the ejection force of the high-pressure fluid and the rotational centrifugal force. and suppressing force applying means for holding the sensitive part of the sensor close to the surface of the inspected material. (2) The mounting member includes a support rod having one end attached to the rotary disk, and a movable arm having an intermediate portion attached to the other end of the support rod so as to be pivotable, and the sensor holder is , the high-pressure fluid supply means is attached to one end of the movable arm, and the high-pressure fluid supply means connects a fluid passage to the rotary disk and a flexible pipe that fluidly connects the fluid passage and the opening of the sensor holder. and the restraining force applying means is a balance weight attached to the other end of the movable arm.
Rotary flaw detection device described in ). (3) The rotary flaw detection device according to claim (2), wherein the restraining force applying means includes a shock absorber for shock absorption associated with the other end of the movable arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985078976U JPH0429410Y2 (en) | 1985-05-27 | 1985-05-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985078976U JPH0429410Y2 (en) | 1985-05-27 | 1985-05-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61195470U true JPS61195470U (en) | 1986-12-05 |
| JPH0429410Y2 JPH0429410Y2 (en) | 1992-07-16 |
Family
ID=30623455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985078976U Expired JPH0429410Y2 (en) | 1985-05-27 | 1985-05-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0429410Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6230147U (en) * | 1985-08-08 | 1987-02-23 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4836916A (en) * | 1971-09-07 | 1973-05-31 | ||
| JPS51114188A (en) * | 1975-03-31 | 1976-10-07 | Nippon Steel Corp | Soft contact detector |
| JPS52121385A (en) * | 1976-04-06 | 1977-10-12 | Omron Tateisi Electronics Co | Defect detection device |
-
1985
- 1985-05-27 JP JP1985078976U patent/JPH0429410Y2/ja not_active Expired
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4836916A (en) * | 1971-09-07 | 1973-05-31 | ||
| JPS51114188A (en) * | 1975-03-31 | 1976-10-07 | Nippon Steel Corp | Soft contact detector |
| JPS52121385A (en) * | 1976-04-06 | 1977-10-12 | Omron Tateisi Electronics Co | Defect detection device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6230147U (en) * | 1985-08-08 | 1987-02-23 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0429410Y2 (en) | 1992-07-16 |
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