CN106940342B - Comprehensive calibration standard device of magnetic yoke type magnetic particle inspection machine - Google Patents
Comprehensive calibration standard device of magnetic yoke type magnetic particle inspection machine Download PDFInfo
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- CN106940342B CN106940342B CN201710247569.1A CN201710247569A CN106940342B CN 106940342 B CN106940342 B CN 106940342B CN 201710247569 A CN201710247569 A CN 201710247569A CN 106940342 B CN106940342 B CN 106940342B
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- 239000006249 magnetic particle Substances 0.000 title claims abstract description 19
- 238000007689 inspection Methods 0.000 title claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims description 31
- 238000012360 testing method Methods 0.000 claims description 23
- 239000000725 suspension Substances 0.000 claims description 16
- 239000007921 spray Substances 0.000 claims description 5
- 238000005286 illumination Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 8
- 230000004044 response Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000006247 magnetic powder Substances 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
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- 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
- G01N27/84—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 by applying magnetic powder or magnetic ink
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth 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 Magnetic Means (AREA)
Abstract
The application discloses a comprehensive calibration standard device of a magnetic yoke type magnetic particle inspection machine. The Hall sensor is arranged, the switching cable is independently defined, and the standard aviation plug is selected and matched, so that the Hall sensor can be matched with most tested equipment, the self-electrified state of a broken and detached instrument is avoided, and the nondestructive measurement of magnetizing current is realized; the device is also provided with a sliding track and a high-precision tension pressure sensor (resistance strain sensor), so that the accurate measurement of a force value is realized, the precision is high, the measuring range is wide, the service life is long, the structure is simple, and the frequency response characteristic is good; the image acquisition module adopts a physical 300-ten-thousand-pixel contrast focusing CCD photosensitive element, and has the advantages of high resolution, small thermal noise interference, high automatic focusing efficiency and the like.
Description
Technical Field
The application relates to the technical field of calibration of detection devices, in particular to a comprehensive calibration standard device of a magnetic yoke type magnetic particle inspection machine.
Background
The magnetic yoke type magnetic particle inspection machine is widely applied to nondestructive inspection industries such as pipeline manufacture, special equipment and the like, plays an important role in quality control, and therefore, the magnetic yoke type magnetic particle inspection machine has higher and higher performance requirements. The calibration standard of the magnetic yoke type magnetic particle flaw detector of JF1458-2014 requires the calibration of magnetizing current, lifting force and test sensitivity of the magnetic yoke type magnetic particle flaw detector, and the current domestic detection equipment is various but has the defects in the aspects of operability, compliance, intellectualization and the like. Therefore, it is imperative to develop a comprehensive calibration standard device which completely accords with the calibration standard, is convenient to operate and has high intelligent degree.
Disclosure of Invention
Aiming at the problems in the prior art, the application aims to provide a comprehensive calibration standard device of a magnetic yoke type magnetic particle inspection machine, which effectively solves the problems in the background art.
In order to achieve the above purpose, the present application adopts the following technical scheme:
a comprehensive calibration standard device of a magnetic yoke type magnetic particle inspection machine comprises a machine body, a magnetizing current measuring mechanism, a force measuring mechanism and an image acquisition mechanism; wherein, the upper end surface of the machine body is provided with an inclined table top, and the bottom end of the table top is provided with a transverse chute; the magnetizing current measuring mechanism comprises two aviation plugs arranged on one side of the machine body and a Hall current sensor arranged on the rear wall inside the machine body; the force measuring mechanism comprises a magnetic yoke fixing mechanism matched with the sliding groove, a sliding rail obliquely arranged in the machine body, a test plate fixing platform slidably arranged in the sliding rail, a resistance strain sensor fixedly connected with the test plate fixing platform, and an electric pull rod fixedly connected with the resistance strain sensor; the image acquisition mechanism comprises a magnetic suspension spray pipe, an ultraviolet illumination module and an image acquisition module which are fixed on the machine body.
Further, handles are arranged on two sides of the machine body.
Further, a magnetic suspension collecting groove is also arranged on the inner front wall of the machine body; the magnetic suspension collecting tank is connected with an emptying pipe on the side wall of the machine body, and a centrifugal pump for draining liquid is further arranged at the magnetic suspension collecting tank.
Further, the magnetic yoke fixing mechanism comprises a bottom plate, a magnetic yoke fixing clamp arranged at the front end of the bottom plate and a bottom plate angle adjusting screw rod arranged at the rear end of the bottom plate, wherein a long hole and a fixing bolt matched with the long hole are arranged on the magnetic yoke fixing clamp; one end of the bottom plate angle adjusting screw rod is fixed on the machine body, and the other end of the bottom plate angle adjusting screw rod penetrates through a groove at the rear end of the bottom plate and then is fixed with the bottom plate through a nut.
Further, a sliding groove and a sliding test board fixing screw matched with the sliding groove are arranged on the test board fixing platform.
Further, the resistance strain sensor is an S-shaped force value sensor.
Further, the magnetic suspension spray pipe is a metal corrugated pipe.
Further, the image acquisition module is a contrast focusing CCD photosensitive element.
The application has the following beneficial technical effects:
the Hall sensor is arranged, the switching cable is independently defined, and the standard aviation plug is selected and matched, so that the Hall sensor can be matched with most tested equipment, the self-electrified state of a broken and detached instrument is avoided, and the nondestructive measurement of magnetizing current is realized; the device is also provided with a sliding track and a high-precision tension pressure sensor (resistance strain sensor), so that the accurate measurement of a force value is realized, the precision is high, the measuring range is wide, the service life is long, the structure is simple, and the frequency response characteristic is good; the image acquisition module adopts a physical 300-ten-thousand-pixel contrast focusing CCD photosensitive element, has the advantages of high resolution, small thermal noise interference, high automatic focusing efficiency and the like, has the functions of measuring magnetizing current, lifting force and sensitivity, meets the requirements of calibration standards of a magnetic yoke type magnetic particle flaw detector, can be used for calibrating and calibrating magnetic yoke type magnetic particle flaw detectors with various specifications, can also select a certain measurement parameter for independent measurement according to actual conditions in the measurement process, can flexibly cope with various special conditions in actual calibration and calibration work, can integrate an integrated high-resolution touch screen, has rich extensible interfaces, is friendly to human-computer interfaces, has clear and visible test data and curves, has flexible and changeable test modes, and has strong practicability.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of the present application;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a partial enlarged view at B in FIG. 1;
FIG. 4 is a schematic perspective view of another view according to an embodiment of the present application;
FIG. 5 is a cross-sectional view of an embodiment of the present application;
FIG. 6 is an enlarged view of a portion of FIG. 5 at C;
FIG. 7 is a front view of an embodiment of the present application;
fig. 8 is a top view of an embodiment of the present application.
Detailed Description
The present application now will be described more fully hereinafter with reference to the accompanying drawings, in which exemplary embodiments of the application are shown. This application may, however, be embodied in many different forms and should not be construed as limited to the exemplary embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the application to those skilled in the art.
Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used herein for ease of description to describe one element or feature's relationship to another element or feature's illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "under" other elements or features would then be oriented "over" the other elements or features. Thus, the exemplary term "lower" may encompass both an upper and lower orientation. The device may be otherwise positioned (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
1-3, the application provides a comprehensive calibration standard device of a magnetic yoke type magnetic particle flaw detector, which comprises a machine body 2, a magnetizing current measuring mechanism, a force measuring mechanism and an image acquisition mechanism; wherein, the upper end surface of the machine body 1 is provided with an inclined table top, and the bottom end of the table top is provided with a transverse chute 2; the magnetizing current measuring mechanism comprises two aviation plugs 3 arranged on one side of the machine body and a Hall current sensor 4 arranged on the rear wall inside the machine body; the force measuring mechanism comprises a magnetic yoke fixing mechanism 5 matched with the sliding chute 2, a sliding rail 6 obliquely arranged in the machine body 1, a test board fixing platform 7 slidably arranged in the sliding rail 6, a resistance strain sensor 8 fixedly connected with the test board fixing platform 7, and an electric pull rod 9 fixedly connected with the resistance strain sensor 8; the image acquisition mechanism comprises a magnetic suspension spray pipe 10, an ultraviolet illumination module 11 and an image acquisition module 12 which are fixed on the machine body.
Handles 13 are also provided on both sides of the body 1.
A magnetic suspension collecting tank 14 is also arranged on the inner front wall of the machine body 1; the magnetic suspension collecting tank 14 is connected with an emptying pipe 15 on the side wall of the machine body 1, and a centrifugal pump for draining liquid is arranged at the position of the magnetic suspension collecting tank 14.
The magnetic yoke fixing mechanism 5 comprises a bottom plate 6, a magnetic yoke fixing clamp 17 arranged at the front end of the bottom plate 6 and a bottom plate angle adjusting screw 18 arranged at the rear end of the bottom plate 6, wherein a long hole 19 and a fixing bolt 20 matched with the long hole 19 are arranged on the magnetic yoke fixing clamp 17; one end of the bottom plate angle adjusting screw rod 18 is fixed on the machine body 1, and the other end passes through a slot 21 at the rear end of the bottom plate 6 and is fixed with the bottom plate 6 through a nut 22.
The test board fixing platform is provided with a chute 23 and a screw 24 for fixing the sliding test board, which is matched with the chute 23.
The resistive strain gauge sensor 8 is an S-shaped force value sensor.
The magnetic suspension shower 10 is a metal bellows. The image acquisition module is a 12 contrast focusing CCD photosensitive element. The ultraviolet illumination module 11 includes an ultraviolet light source and a heat radiation system.
The magnetic yoke type magnetic powder flaw detector comprehensive calibration standard device also comprises a data acquisition controller, a magnetic current measuring mechanism, a force measuring mechanism and an image acquisition mechanism, wherein the data acquisition controller is used for controlling the work of the magnetic current measuring mechanism, the force measuring mechanism and the image acquisition mechanism; which belongs to the conventional technical means in the art and is not described in detail herein.
The working process of the application is as follows:
in the fixed hall current sensor 4, two aviation plugs 3 outside the machine body 1 are connected in series through an independent cable, the cable of the detected flaw detector is connected with the cable inside the machine body 1 through the aviation plug 3, and then the cable is connected with the detected magnetic yoke through another cable, when the magnetic yoke works, magnetizing current in the cables connected in series is consistent, and the current is measured in real time through the hall current sensor 4, and meanwhile, a measuring curve is obtained.
After the force transducer is selected, a mechanical device fixing test plate (the test plate can be disassembled according to specifications and is divided into a carbon steel plate with the thickness of 2mm and a carbon steel plate with the thickness of 5 mm) is manufactured, and a right angle direction is formed between the test plate and the slide rail 6. The test board is reversely connected with the S-shaped force value sensor, and the front surface of the magnetic yoke fixing mechanism 5 is provided with an open structure, so that the magnetic yoke is convenient to place. When the power supply is switched on, the magnet yoke starts to work after electromagnetic magnetization, the test plate is attracted, the S-shaped force value sensor pulls the test plate by using reverse force, the pulling force value is recorded at the moment of separating from the magnet yoke, and meanwhile, the measurement curve is obtained.
And a standard test piece conforming to the verification procedure is stuck on the test piece, and when the magnetic yoke works, magnetic suspension is automatically sprayed, magnetic marks are displayed, the image acquisition module 12 acquires images, and data is transmitted to a software system for analysis.
The above description is only for the purpose of illustrating the application, and it should be understood that the application is not limited to the above embodiments, but various modifications consistent with the idea of the application are within the scope of the application.
Claims (6)
1. The comprehensive calibration standard device for the magnetic yoke type magnetic particle inspection machine is characterized by comprising a machine body, a magnetizing current measuring mechanism, a force measuring mechanism and an image acquisition mechanism; wherein, the upper end surface of the machine body is provided with an inclined table top, and the bottom end of the table top is provided with a transverse chute; the magnetizing current measuring mechanism comprises two aviation plugs arranged on one side of the machine body and a Hall current sensor arranged on the rear wall inside the machine body; the force measuring mechanism comprises a magnetic yoke fixing mechanism matched with the sliding chute, a sliding rail obliquely arranged in the machine body, a test plate fixing platform slidingly arranged in the sliding rail, a resistance strain sensor fixedly connected with the test plate fixing platform, and an electric pull rod fixedly connected with the resistance strain sensor, wherein the magnetic yoke fixing mechanism comprises a bottom plate, a magnetic yoke fixing clamp arranged at the front end of the bottom plate, and a bottom plate angle adjusting screw arranged at the rear end of the bottom plate, and the magnetic yoke fixing clamp is provided with a long hole and a fixing bolt matched with the long hole; one end of the bottom plate angle adjusting screw rod is fixed on the machine body, and the other end of the bottom plate angle adjusting screw rod passes through a slot at the rear end of the bottom plate and is fixed with the bottom plate through a nut; the image acquisition mechanism comprises a magnetic suspension spray pipe, an ultraviolet illumination module and an image acquisition module which are fixed on the machine body;
a magnetic suspension collecting tank is also arranged on the inner front wall of the machine body; the magnetic suspension collecting tank is connected with an emptying pipe on the side wall of the machine body, and a centrifugal pump for draining liquid is further arranged at the magnetic suspension collecting tank.
2. A yoke type magnetic particle inspection machine comprehensive inspection standard device according to claim 1, wherein handles are further arranged on two sides of the machine body.
3. The comprehensive calibration standard device for the magnetic yoke type magnetic particle inspection machine according to claim 1, wherein a chute and a sliding test board fixing screw matched with the chute are arranged on the test board fixing platform.
4. A yoke type magnetic particle inspection machine comprehensive inspection standard device according to claim 1, wherein the resistance strain sensor is an S-shaped force value sensor.
5. The comprehensive calibration standard device for a magnetic yoke type magnetic particle inspection machine according to claim 1, wherein the magnetic suspension spray pipe is a metal corrugated pipe.
6. The integrated calibration standard device for a magnetic yoke type magnetic particle inspection machine according to claim 1, wherein the image acquisition module is a contrast focusing type CCD photosensitive element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710247569.1A CN106940342B (en) | 2017-04-14 | 2017-04-14 | Comprehensive calibration standard device of magnetic yoke type magnetic particle inspection machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710247569.1A CN106940342B (en) | 2017-04-14 | 2017-04-14 | Comprehensive calibration standard device of magnetic yoke type magnetic particle inspection machine |
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| Publication Number | Publication Date |
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| CN106940342A CN106940342A (en) | 2017-07-11 |
| CN106940342B true CN106940342B (en) | 2023-10-24 |
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| CN201710247569.1A Active CN106940342B (en) | 2017-04-14 | 2017-04-14 | Comprehensive calibration standard device of magnetic yoke type magnetic particle inspection machine |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111505113B (en) * | 2020-06-22 | 2023-08-18 | 国能锅炉压力容器检验有限公司 | Novel magnetic yoke type magnetic particle flaw detector and alarm device and method |
| CN113064402B (en) * | 2021-03-25 | 2021-10-26 | 盐城工学院 | Data checking circuit and system between multi-core single-chip microcomputer of magnetic particle flaw detector |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11108900A (en) * | 1997-09-30 | 1999-04-23 | Kawasaki Steel Corp | Method and apparatus for calibration of sensitivity of magnetic flaw-detecting device |
| JP2001108635A (en) * | 1999-10-05 | 2001-04-20 | Kobe Steel Ltd | Apparatus for correcting transverse oscillation of billet at magnetic particle testing apparatus |
| CN202562886U (en) * | 2012-03-23 | 2012-11-28 | 新疆维吾尔自治区计量测试研究院 | Detector for magnet yoke type magnetic powder flaw detector |
| CN102830156A (en) * | 2012-08-31 | 2012-12-19 | 爱德森（厦门）电子有限公司 | On-line dynamic real-time monitoring method and apparatus for magnetic suspension concentration |
| CN103076389A (en) * | 2012-12-25 | 2013-05-01 | 河北省电力公司电力科学研究院 | Magnetic powder detection method for large cast valve |
| CN103575801A (en) * | 2013-10-25 | 2014-02-12 | 沈阳黎明航空发动机(集团)有限责任公司 | External device for checking integrated system performance of magnetic powder detection equipment |
-
2017
- 2017-04-14 CN CN201710247569.1A patent/CN106940342B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11108900A (en) * | 1997-09-30 | 1999-04-23 | Kawasaki Steel Corp | Method and apparatus for calibration of sensitivity of magnetic flaw-detecting device |
| JP2001108635A (en) * | 1999-10-05 | 2001-04-20 | Kobe Steel Ltd | Apparatus for correcting transverse oscillation of billet at magnetic particle testing apparatus |
| CN202562886U (en) * | 2012-03-23 | 2012-11-28 | 新疆维吾尔自治区计量测试研究院 | Detector for magnet yoke type magnetic powder flaw detector |
| CN102830156A (en) * | 2012-08-31 | 2012-12-19 | 爱德森（厦门）电子有限公司 | On-line dynamic real-time monitoring method and apparatus for magnetic suspension concentration |
| CN103076389A (en) * | 2012-12-25 | 2013-05-01 | 河北省电力公司电力科学研究院 | Magnetic powder detection method for large cast valve |
| CN103575801A (en) * | 2013-10-25 | 2014-02-12 | 沈阳黎明航空发动机(集团)有限责任公司 | External device for checking integrated system performance of magnetic powder detection equipment |
Non-Patent Citations (1)
| Title |
|---|
| 磁粉探伤机直流磁化电流示值误差的校准方法;伍平英;洪国祥;;计测技术(第04期);全文 * |
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