KR840002103A - Fluoroscopy Test of Pipe Circumferential Welding - Google Patents

Fluoroscopy Test of Pipe Circumferential Welding Download PDF

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KR840002103A
KR840002103A KR1019820004642A KR820004642A KR840002103A KR 840002103 A KR840002103 A KR 840002103A KR 1019820004642 A KR1019820004642 A KR 1019820004642A KR 820004642 A KR820004642 A KR 820004642A KR 840002103 A KR840002103 A KR 840002103A
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pipe
radioactive source
radiation
radioactivity
source
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KR1019820004642A
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KR910001250B1 (en
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알. 스탬프 데이비드
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원본미기재
카이제르 스틸 코퍼레이션
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/20—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
    • G01M3/22—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/38—Investigating fluid-tightness of structures by using light
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
    • G01N23/043—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material using fluoroscopic examination, with visual observation or video transmission of fluoroscopic images

Abstract

내용 없음No content

Description

파이프 원주용접의 형광투시 검사법Fluoroscopy Test of Pipe Circumferential Welding

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 운송 차량위에 놓인 이중 결합된 파이프 단편을 나타내는데 부분적인 절단면을 나타내는 측면도로서 그 파이프 단편내에 뻗어 있는 내다지보의 단부에는 방사능원이 용접 이음매와 인접 벽면의 상태를 기록하는 카메라가 부착된 기록장치 내에 있고 그 인접한 용접 이음매 부분은 절개된 단면을 나타낸다.FIG. 1 shows a double bonded pipe fragment placed on a transport vehicle, a side view showing a partial cut surface, at which the radioactive source records the state of the weld seam and the adjacent wall surface at the end of the ridge beam extending within the pipe fragment. The adjacent welded seam portion within the apparatus exhibits a cut cross section.

제2도는 제1도의 11-11선 부분 단면을 나타내는 운송차량에 놓인 파이프의 측단면도임.FIG. 2 is a side cross-sectional view of a pipe placed in a transportation vehicle showing a section 11-11 line in FIG.

Claims (22)

일단의 이중결합 강관의 원주용접 이음매의 형관 투시검사용 장치는, 가) 이중 결합 파이프 단편을 싣고 내리는 장치를 포함하는 수송차량; 나) 상기 파이프 단편내에 장입하도록 작동하여 알맞게 응용하였을 때 방사능원을 방출하면서 조절이 가능한 내다지보상에 설치된 장치; 다) 상기 내다지보 장치의 세로방향으로 떨어져서 있는 상기 차량이나 파이프 단편을 이동하기 위한 장치, 이 장치가 상기 원주 용접 이음면이 상기 내다지보상에 놓여진 상기 방사능원이 있는 기록장치가 위치한 곳에 위치하도록 하는 장치; 라) 상기 기록장치의 위치에서 인접한 상기 파이프 단편에 놓인 조정가능한 방사능 감응 탐지장치; 마) 상기 방사능 감응탐지 장치가 상기 방사능원이 에너지화하여 상기 원주 용접 이음면을 통과하는 방사능을 탐지할 수 있는 상기 기록장치 위치에 상기 이음면이 있을때 세로축 둘레로 상기 파이프 단면을 회전하기 위해 상기 운송 차량위에 놓인 장치;로 구성된다.Apparatus for fluoroscopy of the circumferential welded seam of a group of double-bonded steel pipes includes: a) a transport vehicle including a device for loading and unloading a double-bonded pipe piece; B) a device installed on the adjustable geodetic support which is operable to be charged into the pipe fragment and releases a radioactive source when suitably applied; C) a device for moving the vehicle or pipe piece away from the longitudinal direction of the apparatus, wherein the apparatus is positioned where the circumferential weld joint is located on the radiation source recording device placed on the apparatus; ; D) an adjustable radiation sensitive detection device placed in the pipe segment adjacent at the location of the recording device; E) the transport vehicle for rotating the pipe cross section around the longitudinal axis when the radioactive sensing device is at the recording device position where the radioactive source energizes and detects radiation passing through the circumferential welded joint surface; The device placed on top. 상기 방사선 감응탐지 장치가 상기 원주용접 이음면을 통과하는 방사능의 가시 영상을 나타내기 위한 형광 투시장치와 상기 가시영상을 받기 위한 비데오 카메라를 포함하는 청구범위 1항의 장치.The apparatus of claim 1, wherein the radiation-sensing detection device comprises a fluoroscopic apparatus for displaying a visible image of radioactivity passing through the circumferential welding joint surface, and a video camera for receiving the visible image. 상기 비데오 카메라에 연결된 텔레비젼 감시기를 포함하는 상기 청구범위 2항의 장치.The apparatus of claim 2 comprising a television monitor connected to the video camera. 파이프가 감사될 때 파이프에 표시를 하기 위해 방사능 감응탐지 장치 인접하게 설치한 장치를 포함한 청구범위 제1항의 장치.Device according to claim 1, including a device installed adjacent to the radiation detection device for marking the pipe when the pipe is audited. 상기 가시영상의 영구 녹음을 하기 위한 장치를 포함하는 청구범위 2항의 장치.Apparatus according to claim 2 comprising a device for permanent recording of the visible image. 상기 녹음 발생장치가 비데오 카세트 녹음기를 포함하는 청구범위 5항의 장치.The apparatus of claim 5 wherein the recording generator comprises a video cassette recorder. 상기 녹음 발생장치가 비데오 영상 전송 녹음기를 포함하는 청구범위 5항이나 6항의 장치.Apparatus according to claim 5 or 6 wherein the recording generator comprises a video image recorder. 상기 텔레비젼 감시기에 알파-숫자 정보를 재생하기 위한 장치를 포함하는 청구범위 3항의 장치.The apparatus of claim 3 comprising a device for playing alpha-numeric information on the television monitor. 상기 방사능 감응탐지 장치가 상이한 직경의 파이프에 적합하도록 상기 방사능원에 의해 방출되는 방사능의 통로를 따라 움직일 수 있는 청구범위 1항의 장치.The device of claim 1, wherein the radioactive sensing device is capable of moving along a path of radioactivity emitted by the radioactive source to fit pipes of different diameters. 상기 파이프 회전 장치가 파이프의 세로축에 평행한 회전축을 갖고 수직 방향으로 조절이 가능한 로울러쌍을 포함하는 청구범위 1항의 장치.The apparatus of claim 1 wherein the pipe rotating device comprises a roller pair having a rotation axis parallel to the longitudinal axis of the pipe and adjustable in a vertical direction. 상기 차량에 올려진 파이프의 회전 위치를 가리키는 장치를 포함한 청구범위 1항의 장치.The device of claim 1 including a device indicating a rotational position of the pipe mounted on the vehicle. 상기 이동장치와 회전장치가 상기 방사능원에서 멀리 떨어져 위치한 운전 기사실에서 조정 가능한 청구범위 1항의 장치.The apparatus of claim 1 wherein the mobile device and the rotary device are adjustable in a driver's office remote from the radiation source. 파이프의 존재를 탐지하는 장치와 그 탐지에 따라 파이프에 방사선 원으로 부터 방출된 방사능을 조사할 수 있게하는 장치를 포함하는 청구범위 1항의 장치.The apparatus of claim 1 comprising a device for detecting the presence of a pipe and a device for irradiating the pipe with radiation emitted from a radiation source in accordance with the detection. 이중결합 강관의 원주 용접 이음매를 검사하는 형광투시 방법은, 가) 원주 용접 이음매가 정치된 방사능원을 둘러싸고 있는 위치로 세로 방향으로 파이프를 이동하는 것. 나) 방사능원이 원주용접 이음매 부위를 통과하게끔 방사능원을 작동하는 것. 다) 상기 방사능원에서 방출되는 방사능원과 일치하는 위치에 있는 고정된 탐지기로 원주용접 이음매 부위를 통과하는 방사능을 탐지하는 것. 라) 전체원주 용접 이음매를 탐지기에 근접되게 위치되도록 그 세로축 둘레로 파이프를 회전하는 것. 마) 파이프가 회전될때 원주용접 이음매를 통과하는 탐지된 방사능의 비데오 영상을 현출하는 것을 구성한다.The fluoroscopic method for inspecting the circumferential weld seam of a double-bonded steel pipe includes: a) moving the pipe in the longitudinal direction to the position surrounding the stationary radioactive source. B) operating the radioactive source so that it passes through the circumferential weld seam; C) detecting radiation passing through the circumferential welded seam with a fixed detector at a location consistent with the radiation source emitted from the radioactive source; D) rotating the pipe around its longitudinal axis such that the entire circumferential welded seam is positioned proximate to the detector. E) constructing a video image of the detected radioactivity through the circumferential weld seam as the pipe is rotated. 결점을 비데오 영상으로 관찰할때 파이프의 회전을 중지시키는 단계와 비데오 영상에 나타나는 관찰된 파이프 부위의 영구 녹음을 현출하는 법을 포함하는 청구범위 14항의 방법.The method of claim 14 including stopping the rotation of the pipe when viewing the defect in a video image and presenting a permanent recording of the observed pipe portion appearing in the video image. 파이프의 회전이 중지되는 동안 관찰된 결점의 위치에서 파이프에 표시를 해두는 관계를 포함하는 청구범위 15항의 방법.The method of claim 15 including a relationship that marks the pipe at the location of the observed defect while the pipe is stopped rotating. 파이프가 회전될때 비데오 영상에 파이프의 회전 위치를 지시하도록 하는 과정을 포함하는 청구범위 14항의 방법.The method of claim 14 comprising directing the rotational position of the pipe in the video image when the pipe is rotated. 파이프가 회전할 때 파이프위 두개의 세로 이음매 사이의 간격을 측정하는 과정을 포함하는 청구범위 17항의 방법.The method of claim 17 comprising measuring the gap between two longitudinal seams on the pipe as the pipe rotates. 가) 파이프가 고정된 방사능원을 둘러싼 위치로 파이프를 세로 방향으로 이동하는 것. 나) 방사능이 파이프를 통과하도록 방사능원을 작동하는 것. 다) 상기 방사능원에서 방출되는 방사능과 일치하는 위치에 있는 고정된 탐지기로 방사능이 파이프를 통과하는 것을 탐지하는 것. 라) 파이프의 통과를 탐지한 방사능을 비데오에 재현시키는 공정. 마) 상기 비데오 재현기에 상기 부위의 영상이 나타나도록 상기 방사능원과 탐지기 사이에 검사할 파이프 부위가 위치하도록 하기 위한 파이프를 회전 과정으로 된 파이프 부위를 형광투시 검사하는 방법.A) moving the pipe in the longitudinal direction to the position surrounding the stationary radioactive source; B) operating the radioactive source so that radioactivity passes through the pipe; C) the detection of radiation passing through the pipe by a fixed detector at a position consistent with the radiation emitted from the radioactive source. D) reproducing to the video the radioactivity detected through the pipe. E) a fluoroscopic inspection of the pipe part by rotating the pipe to position the pipe part to be inspected between the radioactive source and the detector so that an image of the part appears in the video reproducer. 검사할 파이프의 부위가 원주용접 이음매와 발생할 상기 비데오 영상이 상기 재현기에 전체 원주용접 영상을 나타낼때 상기 파이프가 계속 회전하는 것을 포함하는 청구범위 19항의 방법.The method of claim 19, wherein the pipe continues to rotate when the portion of the pipe to be inspected is a circumferential weld seam and the video image to be produced represents a full circumferential weld image on the reproducer. 가) 내다지보의 일단부에 놓인 방사능원, 나) 상기 방사능원에서 방출되는 방사능을 탐지하고 탐지된 방사능의 비데오 영상을 나타내기 위한 상기 방사능원과 일치하게 위치하는 장치. 다) 검사할 파이프를 받고 파이프가 상기 방사능원을 둘러싸고 있고 2벽이 상기 방사능원과 상기 탐지 장치 사이에 배치되어 있는 위치로 파이프를 세로 방향으로 이동하는 운송차량, 라) 세로축 둘레로 파이프를 회전하여 상기 방사능원과 상기 탐지 장치 사이에 검사할 파이프의 특징적인 부분이 위치하도록 상기 차량위에 설치한 장치로 구성되는 파이프의 특징적인 부분을 형광투시 검사하는 장치.A) a radioactive source placed at one end of the internal beam, b) an apparatus positioned in accordance with the radioactive source for detecting radioactivity emitted from the radioactive source and displaying a video image of the detected radioactivity. C) a transport vehicle receiving the pipe to be inspected, the pipe enclosing the radioactive source and having two walls disposed between the radioactive source and the detection device in a longitudinal direction, d) rotating the pipe around the longitudinal axis; And a fluoroscopic inspection of the characteristic part of the pipe consisting of a device installed on the vehicle such that the characteristic part of the pipe to be inspected is located between the radioactive source and the detection device. 상기 방사능원과 상기 탐지장치가 상기 방사능원에서 방출되는 방사능의 통로를 따라 서로 대향되게 떨어져서 이동할 수 있는 청구범위 21항의 장치.The device of claim 21, wherein the radioactive source and the detector can move away from each other along a path of radioactivity emitted from the radioactive source. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR8204642A 1981-10-16 1982-10-15 Pipe KR910001250B1 (en)

Applications Claiming Priority (3)

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US31194381A 1981-10-16 1981-10-16
US311943 1981-10-16
US311,943 1981-10-16

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KR840002103A true KR840002103A (en) 1984-06-11
KR910001250B1 KR910001250B1 (en) 1991-02-26

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CA (1) CA1206278A (en)
IT (1) IT1152908B (en)
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KR102303823B1 (en) 2021-03-30 2021-09-17 주식회사 디지레이 Tube welding part x-ray inspection device
KR102303826B1 (en) 2021-03-30 2021-09-17 주식회사 디지레이 Tube welding part x-ray inspection device
EP4067884A1 (en) 2021-03-30 2022-10-05 Digiray Corp. Tube weld x-ray inspection device
US11860113B2 (en) 2021-03-30 2024-01-02 Digiray Corp. Tube weld X-ray inspection device comprising an X-ray source, an X-ray source support, and an image plate fixing part for fixing an image plate
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EP0094400A1 (en) 1983-11-23
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WO1983001509A1 (en) 1983-04-28
KR910001250B1 (en) 1991-02-26
CA1206278A (en) 1986-06-17

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