CN110579529A - Supporting device for pipeline magnetic flux leakage detection probe - Google Patents
Supporting device for pipeline magnetic flux leakage detection probe Download PDFInfo
- Publication number
- CN110579529A CN110579529A CN201910986399.8A CN201910986399A CN110579529A CN 110579529 A CN110579529 A CN 110579529A CN 201910986399 A CN201910986399 A CN 201910986399A CN 110579529 A CN110579529 A CN 110579529A
- Authority
- CN
- China
- Prior art keywords
- pipeline
- supporting
- connecting plate
- main body
- supporting device
- 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
- 239000000523 sample Substances 0.000 title claims abstract description 48
- 238000001514 detection method Methods 0.000 title claims abstract description 30
- 230000004907 flux Effects 0.000 title claims abstract description 25
- 230000001681 protective effect Effects 0.000 claims description 10
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 241000883990 Flabellum Species 0.000 claims description 3
- 239000000463 material Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 241000251468 Actinopterygii Species 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Classifications
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/83—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws by investigating stray magnetic fields
-
- 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
Abstract
The invention discloses a supporting device for a pipeline magnetic flux leakage detection probe, which comprises a supporting main body, a supporting structure for supporting a magnetic flux leakage detector and a power mechanism for driving the supporting main body to move in a pipeline, the supporting main body is tubular, the supporting structure is fixedly arranged outside the supporting main body, the power mechanism is fixedly arranged on the inner wall of the supporting main body, the power mechanism is started, the supporting main body can be driven to move along the inner wall of the pipeline, and then the magnetic leakage detector is used for detecting the magnetic leakage of the pipeline, the device can measure pipelines with different pipe diameters by the elastic connection between the slide rod and the limiting block, meanwhile, the support main body can rotate along the inner wall of the pipeline due to the rotation of the fan blades, so that the detection range of the magnetic flux leakage detector is greatly enlarged, the driving motor is controlled to rotate reversely, the device can be taken out from the pipeline, and the roller is rotationally arranged on the bracket through the bearing seat to eliminate the sliding friction resistance between the roller and the inner wall of the pipeline.
Description
Technical Field
The invention relates to the technical field of pipeline detection, in particular to a supporting device for a pipeline magnetic flux leakage detection probe.
Background
The magnetic leakage strutting arrangement for test probe that uses at present can't carry out fine support for magnetic leakage detector probe when the inner wall magnetic leakage that detects the pipeline, and strutting arrangement can't be inside rotatory at the pipeline in addition, leads to even a plurality of magnetic leakage detectors of installation also can't be comprehensive to detect the pipeline inner wall, has the leakage problem of surveying of great area, can't in time discover the pipeline defect.
Disclosure of Invention
The invention aims to provide a supporting device for a pipeline magnetic flux leakage detection probe, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
A supporting device for a pipeline magnetic flux leakage detection probe comprises a supporting main body, a supporting structure and a power mechanism, wherein the supporting structure is used for supporting a magnetic flux leakage detector, the power mechanism is used for driving the supporting main body to move inside a pipeline, the supporting main body is tubular, the supporting structure is fixedly arranged outside the supporting main body, the power mechanism is fixedly arranged on the inner wall of the supporting main body, the supporting structure comprises two symmetrical limiting blocks, limiting grooves are formed in the limiting blocks, sliding clamps are arranged in the limiting grooves of the limiting blocks in a sliding mode, one ends of the sliding rods are elastically connected through springs and the limiting blocks, the two sliding rods of the sliding clamps are connected through connecting plates, the sliding rods are hinged to the connecting plates, idler wheels are rotatably arranged on the connecting plates, the magnetic flux leakage detector is fixedly arranged in the middle of the connecting plates, the probe of the magnetic flux, the driving motor is fixedly arranged on the inner wall of the supporting main body through the fixing block, and the fan blades are fixedly arranged at the output end of the driving motor.
As a further scheme of the invention: the number of the supporting structures is four.
As a still further scheme of the invention: the middle part of the connecting plate is provided with a groove, and a probe of the magnetic flux leakage detector penetrates through the connecting plate and is arranged in the groove.
As a still further scheme of the invention: four rollers are arranged on the connecting plate.
As a still further scheme of the invention: the roller is made of rubber.
As a still further scheme of the invention: the connecting plate is fixedly provided with a support, the support is rotatably provided with a bearing seat, the roller is rotatably arranged on the bearing seat, and the roller is rotatably arranged on the support through the bearing seat.
As a still further scheme of the invention: the connecting plate is provided with a protective cover, and a probe of the magnetic flux leakage detector penetrates through the connecting plate and is located in the protective cover.
As a still further scheme of the invention: the protective cover is made of stainless steel materials.
Compared with the prior art, the invention has the beneficial effects that:
The supporting device for the pipeline magnetic leakage detection probe is placed in a pipeline filled with water, the driving motor is started to rotate positively to drive the fan blades to rotate, the supporting main body can be driven to move along the inner wall of the pipeline, then the pipeline is subjected to magnetic leakage detection through the magnetic leakage detector, the device can be taken out of the pipeline by elastic connection between the sliding rod and the limiting block through rotation of the sliding rod, the pipelines with different pipe diameters can be measured, meanwhile, the supporting main body can rotate along the inner wall of the pipeline due to rotation of the fan blades, the detection range of the magnetic leakage detector is greatly increased, the device can be taken out of the pipeline by controlling the driving motor to rotate reversely, sliding friction resistance between the roller and the inner wall of the pipeline is eliminated through rotation, blocking between the device and the inner wall of the pipeline is prevented, the protective plate is arranged on the connecting plate, the probe of the magnetic leakage detector penetrates through the connecting plate and is positioned in the protective, and the probe is closer to the inner wall of the pipeline, so that the detection result is more accurate.
Drawings
Fig. 1 is a schematic structural view of a supporting device for a pipe flux leakage detection probe in embodiment 1.
fig. 2 is a schematic structural view of the support structure in embodiment 1.
Fig. 3 is a schematic structural view of the supporting device for the pipe flux leakage detection probe in embodiment 2.
Fig. 4 is a schematic structural view of the support structure in embodiment 2.
1-supporting main body, 2-driving motor, 3-blade, 4-pipeline, 5-magnetic leakage detector, 6-limiting block, 601-sliding rod, 602-connecting plate, 603-roller, 604-spring, 605-support, 606-bearing seat, 607-protective cover,
Detailed Description
The technical solution of the present invention will be described in further detail with reference to specific embodiments.
Please refer to fig. 1-2, a support device for pipeline magnetic leakage detection probe, including supporting main body 1 and the bearing structure that is used for supporting magnetic leakage detector 5 and being used for driving supporting main body 1 at the inside power unit that removes of pipeline 4, supporting main body 1 is the tubulose, bearing structure fixed mounting is in the outside of supporting main body 1, and power unit fixed mounting is on the inner wall of supporting main body 1, bearing structure includes the stopper 6 that two symmetries set up, and stopper 6 is inside to be equipped with the spacing groove, and the slide bar 601 is equipped with to the slide bar 601 and the one end of slide bar 601 passes through elastic connection between spring 604 and the stopper 6 in the spacing groove of stopper 6, two connect through connecting plate 602 between the slide bar 601 of sliding joint in stopper 6 and hinge between slide bar 601 and the connecting plate 602, rotate on the connecting plate 602 and be provided with gyro wheel 603, magnetic leakage detector 5 fixed mounting passes connecting plate 602 at the middle part of The power mechanism comprises a driving motor 2 and fan blades 3, the driving motor 2 is fixedly arranged on the inner wall of the supporting main body 1 through a fixing block, the fan blades 3 are fixedly arranged at the output end of the driving motor 2, the supporting device for the pipeline magnetic flux leakage detection probe is placed in a pipeline filled with water, the driving motor 2 is started to rotate positively to drive the fan blades 3 to rotate, the supporting body 1 can be driven to move along the inner wall of the pipeline, and then the magnetic leakage detector 5 is used for detecting the magnetic leakage of the pipeline 4, the sliding rod 601 is elastically connected with the limiting block 6, so that the device can measure pipelines with different pipe diameters, simultaneously because the flabellum rotates still can make support main part 1 rotate along 4 inner walls of pipeline for magnetic leakage detector 5's detection range greatly increased improves the comprehensiveness that detects, and control driving motor 2 reversal can take out this device from pipeline 4.
The number of the supporting structures is not limited, and in this embodiment, preferably, the number of the supporting structures is four, and by installing the four supporting structures, the movement of the supporting device for the pipeline magnetic flux leakage detection probe on the inner wall of the pipeline 4 can be more stable.
The middle part of connecting plate 602 is provided with the recess, and magnetic leakage detector 5's probe passes connecting plate 602 and sets up in the recess, sets up the recess through the middle part at connecting plate 602 to set up magnetic leakage detector 5's probe in the recess, can effectually prevent debris scratch probe in the pipeline 4, thereby cause the damage to the magnetic leakage detector.
The number of the rollers 603 on the connecting plate 602 is not particularly limited, and in this embodiment, preferably, four rollers 603 are disposed on the connecting plate 602.
The material of the roller 603 is not particularly limited, and in this embodiment, preferably, the roller 603 is made of rubber.
The working principle of the embodiment is as follows: the supporting device for the pipeline magnetic flux leakage detection probe is placed in a pipeline filled with water, the driving motor 2 is started to rotate positively so as to drive the fan blades 3 to rotate, the supporting body 1 can be driven to move along the inner wall of the pipeline, and then the magnetic leakage detector 5 is used for detecting the magnetic leakage of the pipeline 4, the sliding rod 601 is elastically connected with the limiting block 6, so that the device can measure pipelines with different pipe diameters, meanwhile, the support main body 1 can rotate along the inner wall of the pipeline 4 due to the rotation of the fan blades, so that the detection range of the magnetic flux leakage detector 5 is greatly enlarged, the detection comprehensiveness is improved, the driving motor 2 is controlled to rotate reversely, the device can be taken out from the pipeline 4, the middle part of the connecting plate 602 is provided with a groove, the probe of the magnetic leakage detector 5 is arranged in the groove, the probe can be effectively prevented from being scratched by sundries in the pipeline 4, so that the magnetic flux leakage detector is damaged.
Example 2
Referring to fig. 3 to 4, since the supporting device for the pipe leakage detecting probe rotates when moving in the pipe 4, so that there is sliding friction between the roller 603 and the inner wall of the pipe 4, and the moving resistance of the device is large, and jamming may occur, the present embodiment is further improved based on embodiment 1, and compared with embodiment 1, the main difference is that: fixed mounting has support 605 on the connecting plate 602, rotates on the support 605 and installs bearing frame 606, gyro wheel 603 rotates and sets up on bearing frame 606, rotates gyro wheel 603 through bearing frame 606 and sets up on support 605 when strutting arrangement for pipeline magnetic leakage test probe removes in pipeline 4 and can take place rotatoryly, gyro wheel 603 through rotate eliminate and pipeline inner wall between the sliding friction resistance, the effectual jam that has prevented to take place between this device and the inner wall of pipeline 4 for this device removes more smoothly.
In order to further prevent magnetic leakage detector 5's probe by the debris fish tail in the pipeline 4, be provided with protection casing 607 on the connecting plate 602, also in order to increase the accuracy nature that the magnetic leakage detected simultaneously, magnetic leakage detector 5's probe passes connecting plate 602 and is located protection casing 607, and in embodiment 1 installs magnetic leakage detector 5's probe in the recess on connecting plate 602, the inner wall of pipeline 4 is more pressed close to the probe for the testing result is more accurate.
The material of the protection cover 607 is not particularly limited, and in this embodiment, preferably, the material of the protection cover 607 is a stainless steel material, and the protection cover 607 is durable and is not easily damaged due to the stainless steel material.
The working principle of the embodiment is as follows: eliminate gyro wheel 603 through rotating and pipeline inner wall between the sliding friction resistance, effectually prevented to take place the jam between this device and pipeline 4's the inner wall, make this device remove more smoothly, set up the guard plate on the reconnection board 602, magnetic leakage detector 5's probe passes the connection board 602 and is located the protection casing 607, further prevents that magnetic leakage detector 5's probe from being by the debris fish tail in the pipeline 4, and the probe more presses close to pipeline 4's inner wall, makes the testing result more accurate.
In summary, the following steps: the supporting device for the pipeline magnetic leakage detection probe is placed in a pipeline filled with water, the driving motor is started to rotate positively to drive the fan blades to rotate, the supporting main body can be driven to move along the inner wall of the pipeline, then the pipeline is subjected to magnetic leakage detection through the magnetic leakage detector, the device can be taken out of the pipeline by elastic connection between the sliding rod and the limiting block through rotation of the sliding rod, the pipelines with different pipe diameters can be measured, meanwhile, the supporting main body can rotate along the inner wall of the pipeline due to rotation of the fan blades, the detection range of the magnetic leakage detector is greatly increased, the device can be taken out of the pipeline by controlling the driving motor to rotate reversely, sliding friction resistance between the roller and the inner wall of the pipeline is eliminated through rotation, blocking between the device and the inner wall of the pipeline is prevented, the protective plate is arranged on the connecting plate, the probe of the magnetic leakage detector penetrates through the connecting plate and is positioned in the protective, and the probe is closer to the inner wall of the pipeline, so that the detection result is more accurate.
While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (8)
1. The utility model provides a strutting arrangement for pipeline magnetic leakage test probe, a serial communication port, including supporting main body (1) and the bearing structure who is used for supporting magnetic leakage detector (5) and be used for driving the power unit that supports main body (1) at pipeline (4) inside removal, supporting main body (1) is the tubulose, bearing structure fixed mounting is in the outside of supporting main body (1), and power unit fixed mounting is on the inner wall of supporting main body (1), bearing structure includes stopper (6) that two symmetries set up, and stopper (6) inside is equipped with the spacing groove, and the slide bar (601) and the one end of slide bar (601) are equipped with through elastic connection between spring (604) and stopper (6) in the spacing groove of stopper (6), two connect through connecting plate (602) and articulate between slide bar (601) and connecting plate (602) between slide bar (601) of joint in stopper (6), rotate on connecting plate (602) and be provided with gyro wheel (603), magnetic leakage detector (5) fixed mounting passes connecting plate (602) at the middle part of connecting plate (602) and the probe of magnetic leakage detector (5), power unit includes driving motor (2) and flabellum (3), and driving motor (2) pass through fixed block fixed mounting at the inner wall that supports main part (1), and flabellum (3) fixed mounting is at the output of driving motor (2).
2. The supporting device for the pipe flux leakage detecting probe according to claim 1, wherein the number of the supporting structures is four.
3. The supporting device for the pipeline magnetic leakage detection probe according to claim 2, wherein a groove is formed in the middle of the connecting plate (602), and the probe of the magnetic leakage detector (5) penetrates through the connecting plate (602) and is arranged in the groove.
4. The supporting device for the pipe flux leakage detecting probe according to claim 3, wherein four rollers (603) are disposed on the connecting plate (602).
5. The supporting device for the pipeline magnetic flux leakage detection probe according to claim 4, wherein the roller (603) is made of rubber.
6. The supporting device for the pipeline magnetic flux leakage detection probe according to claim 5, wherein a bracket (605) is fixedly installed on the connecting plate (602), a bearing seat (606) is rotatably installed on the bracket (605), the roller (603) is rotatably installed on the bearing seat (606), and the roller (603) is rotatably installed on the bracket (605) through the bearing seat (606).
7. The supporting device for the pipeline magnetic leakage detection probe according to claim 6, wherein a protective cover (607) is arranged on the connecting plate (602), and the probe of the magnetic leakage detector (5) penetrates through the connecting plate (602) and is positioned in the protective cover (607).
8. The supporting device for the pipeline magnetic flux leakage detection probe according to claim 7, wherein the protective cover (607) is made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910986399.8A CN110579529A (en) | 2019-10-17 | 2019-10-17 | Supporting device for pipeline magnetic flux leakage detection probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910986399.8A CN110579529A (en) | 2019-10-17 | 2019-10-17 | Supporting device for pipeline magnetic flux leakage detection probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110579529A true CN110579529A (en) | 2019-12-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910986399.8A Pending CN110579529A (en) | 2019-10-17 | 2019-10-17 | Supporting device for pipeline magnetic flux leakage detection probe |
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| Country | Link |
|---|---|
| CN (1) | CN110579529A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113280210A (en) * | 2021-05-27 | 2021-08-20 | 龚燕 | Snakelike pipeline detection robot |
| CN113686941A (en) * | 2021-08-10 | 2021-11-23 | 朱浩奇 | Chemical sensor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101324477A (en) * | 2007-06-13 | 2008-12-17 | 中国石油天然气集团公司 | High definition mechanical system of pipe leakage detector |
| CN101936951A (en) * | 2010-07-05 | 2011-01-05 | 中国石油集团渤海钻探工程有限公司 | Method for detecting mechanical system of drilling machine well mouth drill stem flux leakage detector |
| CN102621218A (en) * | 2012-03-15 | 2012-08-01 | 西南石油大学 | Device and method for measuring detector measuring range in defect magnetic leakage of oil-gas pipeline |
| US20160025680A1 (en) * | 2014-07-24 | 2016-01-28 | The State of Florida Department of Transportation | Non-destructive real-time magnetic flux leakage imaging system and method |
| CN206573527U (en) * | 2017-03-13 | 2017-10-20 | 辽河石油勘探局 | Gathering line flux leakage detector |
| CN108426943A (en) * | 2018-04-27 | 2018-08-21 | 武汉大学 | A kind of pipeline magnetic flux leakage detection device of variable-diameter |
-
2019
- 2019-10-17 CN CN201910986399.8A patent/CN110579529A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101324477A (en) * | 2007-06-13 | 2008-12-17 | 中国石油天然气集团公司 | High definition mechanical system of pipe leakage detector |
| CN101936951A (en) * | 2010-07-05 | 2011-01-05 | 中国石油集团渤海钻探工程有限公司 | Method for detecting mechanical system of drilling machine well mouth drill stem flux leakage detector |
| CN102621218A (en) * | 2012-03-15 | 2012-08-01 | 西南石油大学 | Device and method for measuring detector measuring range in defect magnetic leakage of oil-gas pipeline |
| US20160025680A1 (en) * | 2014-07-24 | 2016-01-28 | The State of Florida Department of Transportation | Non-destructive real-time magnetic flux leakage imaging system and method |
| CN206573527U (en) * | 2017-03-13 | 2017-10-20 | 辽河石油勘探局 | Gathering line flux leakage detector |
| CN108426943A (en) * | 2018-04-27 | 2018-08-21 | 武汉大学 | A kind of pipeline magnetic flux leakage detection device of variable-diameter |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113280210A (en) * | 2021-05-27 | 2021-08-20 | 龚燕 | Snakelike pipeline detection robot |
| CN113686941A (en) * | 2021-08-10 | 2021-11-23 | 朱浩奇 | Chemical sensor |
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Application publication date: 20191217 |
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| RJ01 | Rejection of invention patent application after publication |