CN112747192A - Ultrasonic internal detection probe follow-up support - Google Patents

Ultrasonic internal detection probe follow-up support Download PDF

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Publication number
CN112747192A
CN112747192A CN202011618263.0A CN202011618263A CN112747192A CN 112747192 A CN112747192 A CN 112747192A CN 202011618263 A CN202011618263 A CN 202011618263A CN 112747192 A CN112747192 A CN 112747192A
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China
Prior art keywords
probe
pipeline
ultrasonic
flexible
spring
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Granted
Application number
CN202011618263.0A
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Chinese (zh)
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CN112747192B (en
Inventor
毛柳伟
王国庆
张玮
缪旭弘
孙吉宏
周广礼
杨理践
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People's Liberation Army 92578
Shenyang University of Technology
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People's Liberation Army 92578
Shenyang University of Technology
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Priority to CN202011618263.0A priority Critical patent/CN112747192B/en
Publication of CN112747192A publication Critical patent/CN112747192A/en
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Publication of CN112747192B publication Critical patent/CN112747192B/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/26—Pigs or moles, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means
    • F16L55/28—Constructional aspects
    • F16L55/30—Constructional aspects of the propulsion means, e.g. towed by cables
    • F16L55/32—Constructional aspects of the propulsion means, e.g. towed by cables being self-contained
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/26—Pigs or moles, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means
    • F16L55/28—Constructional aspects
    • F16L55/40—Constructional aspects of the body
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/42—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters with arrangement for propelling the support stands on wheels
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
    • 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
    • G01N29/04—Analysing solids
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L2101/00—Uses or applications of pigs or moles
    • F16L2101/30—Inspecting, measuring or testing
    • 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
    • G01N2291/023—Solids

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Environmental Sciences (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Abstract

The invention discloses an ultrasonic internal detection probe follow-up support which comprises a rotating frame and probe components arranged on two sides of the rotating frame, wherein each probe component is provided with an ultrasonic probe, the probe components are provided with flexible supporting components corresponding to a pipeline to be detected, the rotating frame is provided with a rotating shaft fixing hole corresponding to the axis of the pipeline to be detected, the rotating shaft fixing hole is connected with the flexible supporting components through a return spring component, and under the condition that the support rotates along the circumferential direction of the pipeline to be detected and moves along the axial direction of the pipeline simultaneously, a probe of the ultrasonic probe emits a sound beam which is always vertical to the tangent line of the arc surface of the pipe wall of the pipeline. The ultrasonic internal detection probe follow-up bracket ensures the precision of the rotary ultrasonic internal detection of the pipeline and improves the working quality and efficiency; the full-coverage detection of the pipeline is realized through the rotation of the two ultrasonic probes in the pipeline, and the pipeline full-coverage detection device has the advantages of strong detection capability, high precision, high efficiency and the like.

Description

Ultrasonic internal detection probe follow-up support
Technical Field
The invention belongs to the technical field of nondestructive testing of pipeline corrosion, and particularly relates to a follow-up support of an ultrasonic internal test probe.
Background
The pipeline is widely applied to various important industrial fields such as ships, petrochemicals, nuclear energy, electric power and the like as an economic, efficient and safe material conveying means. Along with the increase of service time, the pipeline can be corroded by the action of internal and external media, and pipeline leakage can be caused in serious cases, even major safety accidents occur, and huge hidden dangers are brought to the safe operation of equipment.
The traditional ultrasonic pipeline corrosion detection adopts a single probe to perform local single-point detection outside a pipeline, has a small detection range, cannot obtain the overall corrosion condition of the pipeline, and has limited detection capability. Meanwhile, the external space of the pipeline is complex, which causes great difficulty to the implementation of pipeline corrosion detection, and sometimes even external detection cannot be performed. The pipeline rotation ultrasonic internal detection carries two ultrasonic probes to rotate in the pipeline through the detection device, so that the pipeline full-coverage detection is realized, and the pipeline rotation ultrasonic internal detection device has the advantages of strong detection capability, high precision, high efficiency and the like. In the ultrasonic internal detection process of the pipeline, in order to ensure the accuracy of ultrasonic detection, the emitted sound beam of the probe is required to be kept to be always vertical to the tangent line of the arc surface of the pipe wall. Therefore, a special probe follow-up structure needs to be designed to ensure that the probe always keeps in a correct direction in the movement processes of rotation, advance, turning and the like in the pipe, ensure that the sound beam of the probe is always perpendicular to the tangent line of the arc surface of the pipe wall, and further ensure the accuracy of the internal detection of the rotational ultrasound.
Disclosure of Invention
The invention aims to provide a follow-up support for an ultrasonic internal detection probe, which solves the problem of how to ensure that a rotating probe transmits a sound beam to be always vertical to a tangent line of a pipe wall arc surface in the conventional rotary ultrasonic internal detection of a pipeline.
The technical scheme adopted by the invention is that,
the utility model provides a detect probe follow-up support in supersound, include the rotating turret and set up in the probe unit of rotating turret both sides, every probe unit is provided with ultrasonic probe, probe unit corresponds and waits to detect the pipeline and dispose flexible supporting component, the rotating turret corresponds the axle center of waiting to detect the pipeline and is provided with the axis of rotation fixed orifices, be connected through reset spring subassembly between axis of rotation fixed orifices and the flexible supporting component, detect pipeline circumferential direction rotation along detecting at the support, simultaneously along pipeline axial displacement's the condition under, ultrasonic probe's probe emission sound beam and wait to detect the pipe wall cambered surface tangent line of pipeline perpendicular all the time.
The present invention is also characterized in that,
the probe assembly comprises a probe fixing block, the probe fixing block is fixedly connected with the rotating frame, and the probe fixing block is fixedly connected with the rotating frame through a pin.
The reset spring subassembly includes the spring, it has two springs to correspond every probe fixed block design, the rotating turret is the integration and sets up in the platelike structure of axis of rotation fixed orifices both sides, the both sides of probe fixed block correspond every spring and are provided with fixed block spring fixed orifices, two platelike structures correspond every spring and are provided with rotating turret spring fixed orifices, fixed block spring fixed orifices is being kept away from along the axial of waiting to detect the pipeline in rotating turret spring fixed orifices to every spring has the inclination with flexible supporting component.
The flexible supporting component comprises a flexible supporting plate which is arranged in a fan shape, the fan-shaped arc-shaped part corresponds to the pipeline to be detected, and the flexible supporting plate is connected with the probe component and the rotating frame.
The arc-shaped part of the flexible supporting plate is provided with a flexible pulley block corresponding to the pipeline to be detected.
The flexible pulley block comprises first flexible pulleys which are arranged at the two ends of the arc-shaped part and are coplanar with the flexible supporting plate, and second flexible pulleys which are arranged at the middle position of the arc-shaped part and are perpendicular to the flexible supporting plate.
Further, the flexible support member is a polyurethane material.
The invention has the beneficial effects that: according to the ultrasonic internal detection probe follow-up support, a special probe follow-up structure is designed to ensure that the emitted sound beam of the ultrasonic probe is always vertical to the tangent line of the arc surface of the pipe wall in the rotation process of the ultrasonic probe in the pipe, so that the precision of the rotary ultrasonic internal detection of the pipeline is ensured, and the working quality and the working efficiency are improved; and the pipeline rotation ultrasonic internal detection carries two ultrasonic probes to rotate in the pipeline through the detection device, so that 360-degree full-coverage detection on the pipeline is realized, and the pipeline rotation ultrasonic internal detection device has the advantages of strong detection capability, high precision, high efficiency and the like, and has good practical application significance.
Drawings
FIG. 1 is a schematic structural diagram of a follow-up support of an ultrasonic internal detection probe of the invention;
fig. 2 is a schematic structural diagram of a probe assembly in the ultrasonic internal detection probe follow-up support.
In the figure, 1, a flexible supporting plate, 2, a first flexible pulley, 3, a probe fixing block, 4, a fixing pin, 5, an ultrasonic probe, 6, a fixing block spring fixing hole, 7, a spring, 8, a rotating frame spring fixing hole, 9, a rotating shaft fixing hole, 10, a rotating frame and 11 are arranged on the flexible supporting plate.
Detailed Description
The following detailed description of the invention is provided with reference to the accompanying drawings and the detailed description.
As shown in fig. 1 and fig. 2, a detect probe follow-up support in supersound, including rotating turret 10 and set up in the probe subassembly of rotating turret 10 both sides, every probe subassembly is provided with ultrasonic probe 5, probe subassembly corresponds to wait to detect the pipeline and disposes flexible supporting component, the axle center that rotating turret 10 corresponds to waiting to detect the pipeline is provided with axis of rotation fixed orifices 9, be connected through reset spring subassembly between axis of rotation fixed orifices 9 and the flexible supporting component, at the support along waiting to detect pipeline circumferential direction, simultaneously along under the condition of pipeline axial displacement, ultrasonic probe 5's probe transmission sound beam is perpendicular all the time with the pipe wall cambered surface tangent line that waits to detect the pipeline.
Further, the probe assembly comprises a probe fixing block 3, the probe fixing block 3 is fixedly connected with the rotating frame 10, and the probe fixing block 3 is fixedly connected with the rotating frame 10 through a pin 4.
Further, the reset spring subassembly includes spring 7, it has two springs 7 to correspond every probe fixed block 3 design, rotating turret 10 sets up the platelike structure in axis of rotation fixed orifices 9 both sides as an organic whole, the both sides of probe fixed block 3 correspond every spring 7 and are provided with fixed block spring fixed orifices 6, two platelike structures correspond every spring 7 and are provided with rotating turret spring fixed orifices 9, fixed block spring fixed orifices 6 are being kept away from along the axial of waiting to detect the pipeline to rotating turret spring fixed orifices 9, so that every spring 7 has the inclination with flexible supporting component.
Further, the flexible supporting component comprises a flexible supporting plate 1, the flexible supporting plate 1 is arranged in a fan shape, the arc-shaped part of the fan shape corresponds to the pipeline to be detected, and the flexible supporting plate 1 is connected with the probe component and the rotating frame 10.
Furthermore, the arc-shaped part of the flexible supporting plate 1 is provided with a flexible pulley block corresponding to the pipeline to be detected.
Further, the flexible pulley block comprises a first flexible pulley 2 which is arranged at the two ends of the arc-shaped part and is coplanar with the flexible support plate 1, and a second flexible pulley 11 which is arranged at the middle position of the arc-shaped part and is vertical to the flexible support plate 1.
Further, the flexible support member is a polyurethane material.
According to the ultrasonic internal detection probe follow-up support, a pressure gauge 5 displays the pressure in a heat exchange tube 3 to be checked for leakage when the pressure is charged. Opening a stamping valve 7, pressurizing the heat exchange tube 3 to be subjected to leakage detection, and raising the indication of a pressure gauge 5; closing the stamping valve 7, wherein the indication of the pressure gauge 5 does not rise and fall any more, which indicates that the heat exchange tube 3 to be checked for leakage is not leaked; if the indication of the pressure gauge 5 is lowered, this indicates that there is a leak in the heat exchange tube 3 to be checked.
The working process of the ultrasonic internal detection probe follow-up bracket comprises the following steps: after the support is assembled, the support is placed into a pipeline to be detected after the support is checked to be intact, the rotating shaft fixing hole 9 is connected with the power part, then the power part pushes the support to move in the axial direction of the pipeline to be detected and drives the support to rotate in the circumferential direction of the pipeline, meanwhile, external equipment is matched with the ultrasonic probe to comprehensively carry out the pipeline, and after the detection is finished, the support is taken out and collected after being cleaned.
The ultrasonic internal detection probe follow-up bracket ensures the detection precision of the ultrasonic probe and improves the working quality and efficiency; the pipeline 360-degree full-coverage detection is realized by rotating the two ultrasonic probes in the pipeline, and the pipeline full-coverage detection device has the advantages of strong detection capability, high precision, high efficiency and the like.

Claims (7)

1. The utility model provides a detect probe follow-up support in supersound, its characterized in that includes rotating turret (10) and sets up in the probe subassembly of rotating turret (10) both sides, every the probe subassembly is provided with ultrasonic probe (5), the probe subassembly corresponds and waits to detect the pipeline and dispose flexible supporting component, rotating turret (10) are corresponding to wait to detect the axle center of detecting the pipeline and are provided with axis of rotation fixed orifices (9), be connected through reset spring subassembly between axis of rotation fixed orifices (9) and the flexible supporting component the support is along waiting to detect the pipeline circumferential direction rotation, simultaneously along the pipeline under the situation of axial displacement, the probe transmission sound beam of ultrasonic probe (5) is perpendicular all the time with the pipe wall cambered surface tangent line of waiting to detect the pipeline.
2. The ultrasonic internal detection probe follow-up bracket according to claim 1, wherein the probe assembly comprises a probe fixing block (3), the probe fixing block (3) is fixedly connected with the rotating frame (10), and the probe fixing block (3) is fixedly connected with the rotating frame (10) through a pin (4).
3. The ultrasonic internal test probe follow-up bracket according to claim 2, characterized in that the return spring assembly comprises springs (7), two springs (7) are designed corresponding to each probe fixing block (3), the rotating frame (10) is a plate-shaped structure integrally arranged on two sides of a rotating shaft fixing hole (9), a fixing block spring fixing hole (6) is arranged corresponding to each spring (7) on two sides of the probe fixing block (3), a rotating frame spring fixing hole (9) is arranged corresponding to each spring (7) on two plate-shaped structures, and the rotating frame spring fixing hole (9) is far away from the fixing block spring fixing hole (6) in the axial direction of the pipeline to be tested, so that each spring (7) and the flexible supporting assembly have an inclination angle.
4. The ultrasonic internal detection probe follow-up bracket according to claim 1, characterized in that the flexible support component comprises a flexible support plate (1), the flexible support plate (1) is arranged in a fan shape, the arc-shaped part of the fan shape corresponds to a pipeline to be detected, and the flexible support plate (1) is connected with the probe component and the rotating frame (10).
5. The ultrasonic internal detection probe follow-up bracket according to claim 4, characterized in that the arc-shaped part of the flexible support plate (1) is provided with a flexible pulley block corresponding to a pipeline to be detected.
6. The ultrasonic internal detection probe follow-up support according to claim 5, characterized in that the flexible pulley block comprises a first flexible pulley (2) coplanar with the flexible support plate (1) and arranged at the two ends of the arc-shaped part respectively, and a second flexible pulley (11) arranged at the middle of the arc-shaped part and perpendicular to the flexible support plate (1).
7. The ultrasonic internal detection probe follower bracket of claim 1, wherein the flexible support member is a polyurethane material.
CN202011618263.0A 2020-12-30 2020-12-30 Ultrasonic internal detection probe follow-up support Active CN112747192B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114184674A (en) * 2021-11-22 2022-03-15 沈阳工业大学 Fixing system for ultrasonic internal detection rotary probe for corrosion of micro pipeline

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114184674A (en) * 2021-11-22 2022-03-15 沈阳工业大学 Fixing system for ultrasonic internal detection rotary probe for corrosion of micro pipeline
CN114184674B (en) * 2021-11-22 2023-08-11 沈阳工业大学 Rotary probe fixing system for ultrasonic internal detection of micro-pipeline corrosion

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