JPS61110052A - Automatic flaw detection system - Google Patents
Automatic flaw detection systemInfo
- Publication number
- JPS61110052A JPS61110052A JP59230204A JP23020484A JPS61110052A JP S61110052 A JPS61110052 A JP S61110052A JP 59230204 A JP59230204 A JP 59230204A JP 23020484 A JP23020484 A JP 23020484A JP S61110052 A JPS61110052 A JP S61110052A
- Authority
- JP
- Japan
- Prior art keywords
- flaw detection
- inspection
- detection system
- ladder
- container
- 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
- 238000001514 detection method Methods 0.000 title claims description 27
- 230000007547 defect Effects 0.000 claims description 3
- 238000007689 inspection Methods 0.000 description 15
- 238000007796 conventional method Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/26—Arrangements for orientation or scanning by relative movement of the head and the sensor
- G01N29/265—Arrangements for orientation or scanning by relative movement of the head and the sensor by moving the sensor relative to a stationary material
-
- 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
- G01N2291/025—Change of phase or condition
- G01N2291/0258—Structural degradation, e.g. fatigue of composites, ageing of oils
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔発明の利用分野〕
本発明は、容器構造物の検査に係シ、特に球形容器の内
面からの探傷に好適な自動探傷システムに関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Application of the Invention] The present invention relates to the inspection of container structures, and particularly to an automatic flaw detection system suitable for flaw detection from the inner surface of a spherical container.
１篇
容器の構造材料、特に溶接部近傍には、経年変化によっ
て応力腐食による亀裂が発生する。この応力腐食割れ等
を原因とする容器の破損を未然に防ぐため定期的な検査
を行なう必要がある。Cracks occur in the structural materials of containers, especially near welds, due to stress corrosion over time. In order to prevent damage to containers due to stress corrosion cracking, etc., it is necessary to conduct periodic inspections.
従来、この種の容器の検査方法には、容器内に検査用の
足場を組んで行なうか、あるいは、容器内に設置された
旋回梯子に検査用の作業床を仮設して行なう方法などが
ある。第１図に旋回梯子に検査用の作業床を仮設した例
を示す。Conventional methods for inspecting this type of container include erecting scaffolding for inspection inside the container, or temporarily erecting a work floor for inspection on a swinging ladder installed inside the container. . Figure 1 shows an example where a work floor for inspection is temporarily installed on a swing ladder.
この例は、検査の対象となる球形容器１、この容器内に
設置された旋回梯子２、梯子を旋回するための駆動モー
タ３、旋回梯子２に仮設された検査用の作業床４からな
シ、検査員５は、ノ・ンデイタイブの探傷器６を検査位
置まで持ち運び、作業床４の上で検査を行なうものであ
る。This example consists of a spherical container 1 to be inspected, a swing ladder 2 installed inside the container, a drive motor 3 for swinging the ladder, and a work floor 4 for inspection temporarily installed on the swing ladder 2. The inspector 5 carries the no-day flaw detector 6 to the inspection position and performs the inspection on the work floor 4.
この方法では、作業能率が悪いはかシでなく、検査部の
見落しや、検査員の高所作業、あるいは作業環境など安
全性の面でも問題が多く、保全費用も膨大なものとなる
欠点があった。This method is not only inefficient, but also has many safety issues such as oversights in the inspection department, inspectors working at heights, and the working environment, and the drawback is that maintenance costs are enormous. was there.
本発明の目的は、球形容器等の内面から、溶接部等の内
外面の内在欠陥、表面割れ等を自動的に検査でき、作業
能率が良く、検査部の見落しなどのない自動探傷システ
ムを提供する事にある。An object of the present invention is to provide an automatic flaw detection system that can automatically inspect internal defects and surface cracks on the inner and outer surfaces of welded parts, etc. from the inner surface of spherical containers, etc., has high work efficiency, and does not overlook inspection parts. It is about providing.
本発明の特徴は、球形容器内に旋回梯子、レール、走行
装置、探傷ヘッドを装着し、これら装置の位置、走行、
探傷などを制御するための制御装置、探傷データを解析
するための探傷器、探傷結果の出力をするためのデータ
出力装置などからなり、自動的に検査位置を選定し、自
動探傷を行ない、自動的に結果の出力を行ない得る事を
特徴とするものである。A feature of the present invention is that a swing ladder, a rail, a traveling device, and a flaw detection head are mounted inside a spherical container, and the position, traveling, and
It consists of a control device to control flaw detection, a flaw detector to analyze flaw detection data, a data output device to output the flaw detection results, etc., and automatically selects the inspection position, performs automatic flaw detection, and It is characterized by being able to output results in a timely manner.
以下、本発明の一実施例を第２図によシ説明する。第２
図は、本発明による自動超音波探傷システムの装置構成
と、制御系の概念を示すものである。An embodiment of the present invention will be explained below with reference to FIG. Second
The figure shows the device configuration of the automatic ultrasonic flaw detection system according to the present invention and the concept of the control system.
本実施例のシステム構成は、走行探傷部分と制御部分と
からなシ、走行探傷部分は検査対象となる球形容器１の
内部に設置され、旋回梯子２、レール３、走行車４、探
傷ヘッド５及び中継箱１２からなる。これらはそれぞれ
に装着され旋回梯子２と一体形を形成するものでおる。The system configuration of this embodiment consists of a traveling flaw detection part and a control part. and a relay box 12. These are attached to each one and form an integral part with the swing ladder 2.
制御部分は、制御装置６、探傷器７、出力制御装置８、
データ出力装置９、記憶媒体１０及び操作箱１１からな
る。The control part includes a control device 6, a flaw detector 7, an output control device 8,
It consists of a data output device 9, a storage medium 10, and an operation box 11.
探傷ヘッド５は、球形容器１の溶接線を挾む様にし、例
えば複数個の超音波探傷素子を持ち、また容器壁面との
間隔を適正に保つため、前後方向に移動できる機能を持
つものである。これらは走行車４に搭載され、緯線及び
経線方向へ移動する事ができる。走行車４は、球形容器
１の壁面と同心の曲率半径を持つレール３の外周を走行
できる様に、車輪部にガイドを持ち、レール３に装着さ
れている。また、レール３は、旋回梯子２に装着されて
いる。The flaw detection head 5 is configured to sandwich the weld line of the spherical container 1, has, for example, a plurality of ultrasonic flaw detection elements, and has a function of being able to move in the front and rear directions in order to maintain an appropriate distance from the container wall surface. be. These are mounted on the traveling vehicle 4 and can move in latitude and longitude directions. The traveling vehicle 4 has guides in its wheel portions and is attached to the rail 3 so that it can travel on the outer periphery of the rail 3 having a radius of curvature concentric with the wall surface of the spherical container 1. Further, the rail 3 is attached to the swing ladder 2.
探傷動作時に於ける探傷ヘッド５の検査部への移動は、
緯線方向には、旋回梯子２の旋回と走行ｉ４による探傷
ヘッド５の移動による。経線方向には、走行車４のレー
ル３を案内とする走行による。また、走行車４による緯
線方向への移動と経線方向への走行は、等間隔によるス
テップ走行が可能である。これら緯線方向及び経線方向
の移動の組合せによシ、球形容器１の内面のほとんどの
位置へ移動する事ができる。The movement of the flaw detection head 5 to the inspection section during flaw detection operation is as follows:
In the latitude direction, the flaw detection head 5 is moved by the turning of the turning ladder 2 and the movement i4. In the meridian direction, the traveling vehicle 4 is driven by the rail 3 as a guide. Moreover, the movement of the vehicle 4 in the latitude direction and the movement in the meridian direction can be performed in steps at equal intervals. By combining these movements in the latitude and longitude directions, it is possible to move to almost any position on the inner surface of the spherical container 1.
一連の探傷動作は、旋回梯子２に装着された中継箱１２
を介し、ケーブル等で接続された制御装置６によυ、自
動的に制御される。また、探傷ヘッド５による探傷結果
は、探傷器７によって解析され、出力制御装置８及びデ
ータ出力装置９によって出力される。探傷結果は、記憶
媒体１０に記憶させておく事もできる。システムの操作
は操作箱からの検査員の指令によム操作する事ができる
。A series of flaw detection operations are performed using a relay box 12 attached to a swing ladder 2.
is automatically controlled by a control device 6 connected via a cable or the like. Further, the flaw detection results obtained by the flaw detection head 5 are analyzed by the flaw detector 7 and outputted by the output control device 8 and the data output device 9. The flaw detection results can also be stored in the storage medium 10. The system can be operated by the inspector's commands from the control box.
以上、本実施例によれば、検査作業が自動的に行なえる
ため、作業能率が良いばかシでなく、検査部の見落しも
なく、検査員の安全面でも効果的であム保全費用の軽減
が計られる。加えて、超音波探傷素子を用いて探傷すれ
ば、内面からの探傷に対し、外面まで探傷できるなどの
効果がある。As described above, according to this embodiment, since the inspection work can be performed automatically, the work efficiency is high, there is no oversight in the inspection department, it is effective in terms of inspector safety, and maintenance costs are reduced. Reduction is measured. In addition, if flaws are detected using an ultrasonic flaw detection element, flaws can be detected on the outer surface as opposed to the inner surface.
本発、明によれば、球形容器の内面から溶接部等の内外
面の内在欠陥、表面割れ等を自動的に検査する事ができ
るので、作業性が良く、検査部の見落しがないなどの効
果がある。According to the present invention, it is possible to automatically inspect internal defects, surface cracks, etc. on the inner and outer surfaces such as welded parts from the inner surface of a spherical container, so that workability is improved and inspection parts are not overlooked. effective.
第１図は従来方法による球形容器の検査方法の例を示す
概略図、第２図は本発明の自動探傷システムの一実施例
を示す系統図である。
第１図
１・・・球形容器、２・・・旋回梯子、３・・・ｇ動モ
ータ、４・・・作業床、５・・・検査員、６・・・探傷
器。
第２図
１・・・球形容器、２・・・旋回梯子、３・・・レール
、４・・・走行車、５・・・探傷ヘッド、６・・・制御
装置、７・・・探傷器１．８・・・出力制御装置、９・
・・データ出力装置、１０・・・記憶媒体、１１・・・
操作箱、１２・・・中継箱。FIG. 1 is a schematic diagram showing an example of a conventional method for inspecting a spherical container, and FIG. 2 is a system diagram showing an embodiment of the automatic flaw detection system of the present invention. Fig. 1 1... Spherical container, 2... Swivel ladder, 3... G motor, 4... Work floor, 5... Inspector, 6... Flaw detector. Fig. 2 1... Spherical container, 2... Swivel ladder, 3... Rail, 4... Running vehicle, 5... Flaw detection head, 6... Control device, 7... Flaw detector 1.8... Output control device, 9.
...Data output device, 10...Storage medium, 11...
Operation box, 12... relay box.
Claims (1)
置、探傷器、データ出力装置からなる探傷装置において
、自動的に探傷ヘッドが移動しながら球形あるいは円筒
形などの容器内面から、溶接部等の内外面の内在欠陥、
表面割れ等を探傷することを特徴とした自動探傷システ
ム。1. In a flaw detection device consisting of a swing ladder, rail, traveling device, flaw detection head, control device, flaw detector, and data output device, the flaw detection head automatically moves to detect welds, etc. from the inner surface of a spherical or cylindrical container. internal and external defects,
An automatic flaw detection system that detects surface cracks, etc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59230204A JPS61110052A (en) | 1984-11-02 | 1984-11-02 | Automatic flaw detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59230204A JPS61110052A (en) | 1984-11-02 | 1984-11-02 | Automatic flaw detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61110052A true JPS61110052A (en) | 1986-05-28 |
Family
ID=16904204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59230204A Pending JPS61110052A (en) | 1984-11-02 | 1984-11-02 | Automatic flaw detection system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61110052A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104843371A (en) * | 2015-04-13 | 2015-08-19 | 泰州市建业车件制造有限公司 | Built-in inlet assembly of dust tank car |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5522197A (en) * | 1978-08-01 | 1980-02-16 | Kraftwerk Union Ag | Monitoring bottom of cylindrical nuclear reactor pressure container and device for inspection |
| JPS59230205A (en) * | 1983-06-13 | 1984-12-24 | 三井・デュポンポリケミカル株式会社 | Semiconductive composition |
-
1984
- 1984-11-02 JP JP59230204A patent/JPS61110052A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5522197A (en) * | 1978-08-01 | 1980-02-16 | Kraftwerk Union Ag | Monitoring bottom of cylindrical nuclear reactor pressure container and device for inspection |
| JPS59230205A (en) * | 1983-06-13 | 1984-12-24 | 三井・デュポンポリケミカル株式会社 | Semiconductive composition |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104843371A (en) * | 2015-04-13 | 2015-08-19 | 泰州市建业车件制造有限公司 | Built-in inlet assembly of dust tank car |
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