JPS57108753A - Flaw detector for tube - Google Patents

Flaw detector for tube

Info

Publication number
JPS57108753A
JPS57108753A JP55188023A JP18802380A JPS57108753A JP S57108753 A JPS57108753 A JP S57108753A JP 55188023 A JP55188023 A JP 55188023A JP 18802380 A JP18802380 A JP 18802380A JP S57108753 A JPS57108753 A JP S57108753A
Authority
JP
Japan
Prior art keywords
tube
inspected
freely
defect
self
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
Application number
JP55188023A
Other languages
Japanese (ja)
Inventor
Kinichi Yamamoto
Yasumaru Taniguchi
Junichi Sugitani
Teruo Ashimoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kubota Corp
Osaka Gas Co Ltd
Original Assignee
Kubota Corp
Osaka Gas Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kubota Corp, Osaka Gas Co Ltd filed Critical Kubota Corp
Priority to JP55188023A priority Critical patent/JPS57108753A/en
Publication of JPS57108753A publication Critical patent/JPS57108753A/en
Pending legal-status Critical Current

Links

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
    • 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

PURPOSE:To realize the consecutive detection of flaws around a tube, by securing the movement of a self-traveling device toward the longer direction of the tube and at the same time setting a transmitting probe and a receiving probe of the untrasonic wave around the tube axis so that they are turned and receive a fixed remote control operation. CONSTITUTION:A self-traveling device 17 is installed freely attachably and removably to a tube 4 to be inspected so as it can be moved and stopped freely in the longitudinal direction of the tube by a remote control tool 48. Then the ultrasonic wave sent from a transmitting probe 6 is received at a receiving prove 7, and a defect is detected at the area to be inspected from the attenuation factor of the ultrasonic wave. Both probes 6 and 7 can be turned freely round the axis of the tube 4 and can receive a fixed operation to the device 17 by means of the tool 48. Thus the presence or absence of a defect can be consecutively detected for a welded part with high efficiency.
JP55188023A 1980-12-26 1980-12-26 Flaw detector for tube Pending JPS57108753A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55188023A JPS57108753A (en) 1980-12-26 1980-12-26 Flaw detector for tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55188023A JPS57108753A (en) 1980-12-26 1980-12-26 Flaw detector for tube

Publications (1)

Publication Number Publication Date
JPS57108753A true JPS57108753A (en) 1982-07-06

Family

ID=16216302

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55188023A Pending JPS57108753A (en) 1980-12-26 1980-12-26 Flaw detector for tube

Country Status (1)

Country Link
JP (1) JPS57108753A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4531413A (en) * 1982-09-29 1985-07-30 Hitachi, Ltd. Ultrasonic flaw detector driving apparatus of a trackless type
JPS6360956U (en) * 1986-10-08 1988-04-22

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5340284B2 (en) * 1973-03-30 1978-10-26

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5340284B2 (en) * 1973-03-30 1978-10-26

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4531413A (en) * 1982-09-29 1985-07-30 Hitachi, Ltd. Ultrasonic flaw detector driving apparatus of a trackless type
JPS6360956U (en) * 1986-10-08 1988-04-22

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