CN100458436C - Multifunction electromagnetic flaw detection device - Google Patents
Multifunction electromagnetic flaw detection device Download PDFInfo
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- CN100458436C CN100458436C CNB2007100104142A CN200710010414A CN100458436C CN 100458436 C CN100458436 C CN 100458436C CN B2007100104142 A CNB2007100104142 A CN B2007100104142A CN 200710010414 A CN200710010414 A CN 200710010414A CN 100458436 C CN100458436 C CN 100458436C
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- 238000001514 detection method Methods 0.000 title claims description 38
- 238000004519 manufacturing process Methods 0.000 claims abstract description 5
- 238000003825 pressing Methods 0.000 claims description 2
- 239000000523 sample Substances 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- 238000005096 rolling process Methods 0.000 abstract description 2
- 239000010959 steel Substances 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 abstract 1
- 230000002950 deficient Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000001066 destructive effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000000881 depressing effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 210000001138 tear Anatomy 0.000 description 1
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- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
The invention relates to a combination electromagnetism explore injure equipment, it includes sensor, its feature is that it also includes bearing installed on the pipe, bar straightener, supporting axle, supporting roller armed with envelope curve rolling curve and sensor supporting, of which supporting axle installed on the bearing, supporting roller installed on the supporting axle, bearing fixed on the dead plate, arc slot set on the bearing and dead plate relative position and dent into bolt fastening, one end of sensor supporting through the through hole of bearing center and connect with the screw-thread hole of the dead plate center, the other end of sensor supporting connect with the sensor which installed between the both sides supporting roller, supporting sleeve covered sensor supporting and dead connect with bearing, transverse hole installed on the supporting sleeve bottom, one end of supporting axle cantilever reeve through the hole. The invention characteristics is that it could improve measurement precision and accuracy, which integrates a entire with explore injure function and straightening function, the invention could be used on the pipe or bar or sheet or section steel straightening machine production line.
Description
Technical field
The present invention relates to a kind of electromagnetism non-destructive detection device; particularly relate to a kind of sensor of protecting and do not have wearing and tearing; and multifunction electromagnetic flaw detection device with house of correction survey permeability magnetic material function; be improvement, belong to the technical field that exists of the method test of electricity consumption, galvanochemistry or magnetic in the IPC International Patent Classification (IPC) or analysis of material defective existing electromagnetism non-destructive detection device structure.
Background technology
Pipe, bar product for various magnetic conductivity, in order to ensure product quality, generally all require flaw detection, the electromagnetism nondestructive examination promptly is a kind of detection mode commonly used, as publication number is the Chinese utility model patent " steel pipe magnetic crack detector " of CN2289240 and the Chinese invention patent application " high speed metal tube, rod, wire rod line flaw detection method and device thereof " that publication number is CN1584583, thereby detects the defective such as crackle, scar, hole of pipe, bar.But also have certain problem in practical operation: signal is lifted from the constant problem of distance; The constant problem of the angle β of detecting element inspection plane and tested pipe, bar axis etc.These problems mainly are that the unreasonable of Design of Mechanical Structure caused the sensor serious wear, so the design of sensor fixed mechanism is particularly crucial.
Sensor axis is to generally all being designed to circular arc, under the effect of compression spring or liquid (gas) cylinder pressure, interior arc-shaped surface and pipe, the bar surface of sensor are close together, and sensor surface constantly weares and teares when detecting, and signal is lifted from distance and constantly diminished, this will cause the sensitivity strong variations of detecting a flaw, to same defective, the peak value of defect detection signal becomes greatly gradually, differs greatly with the initial detecting value, cause prohibited data detection true, simultaneously the serviceable life of also reducing sensor because of wearing and tearing.
The failure detector that also has in addition takes to allow pipe, bar send to as straight line by certain speed, sensor is around the widely different commentaries on classics of axis of pipe, bar, the problem that this failure detector exists is the difficult control of the stationarity of pipe, bar motion, the shaft centre line that the rotation centerline of sensor also is difficult to assurance and pipe, bar overlaps, and this has just influenced accuracy of detection.
Summary of the invention
The objective of the invention is to overcome the prior art above shortcomings, shortcoming at existing electromagnetism non-destructive detection device, provide a kind of novel multifunctional electromagnetic flaw detection device, it is in the process of implementing flaw detection, can make tested pipe, bar pass through sensor highly stablely, and two backing rolls with envelope roll forming are housed, not frayed to guarantee sensor, thus the purpose that reaches simple in structure, easy to operate, improves accuracy of detection and accuracy, integrates flaw detection function and straightening function and enhance productivity.
The technical scheme that the present invention provides is: this multifunction electromagnetic flaw detection device, include sensor, be characterized in also including and be installed in pipe, bearing on the bar straightener, bolster, backing roll and sensor stand with envelope roll shape curve, wherein said bearing is provided with bolster, backing roll is housed on the bolster, described bearing is contained on the fixed head, be equipped with deep-slotted chip breaker and penetrate bolted on bearing and the fixed head opposite position, one end of described sensor stand passes the through hole at bearing center and joins with the threaded hole at fixed head center, the other end of sensor stand is connected with the sensor that is arranged between the two-side supporting roller, also be with supporting sleeve on the described sensor stand, this supporting sleeve and bearing are connected, the bottom of this supporting sleeve is provided with horizontal hole, one end of bolster cantilever penetrates in the hole, to play the effect of supporting bolster.
The present invention is installed on the production line of pipe, bar straightener, can drive the backing roll rotation according to the specification of pipe, bar, adjust the backing roll axis and need corresponding angle of cut β between flaw detection pipe, bar axis, adjust depressing position simultaneously, backing roll is pressed on to be needed on the surface of flaw detection pipe, bar, adjust the distance between sensor and need flaw detection pipe, the bar surface then, be generally S≤0.5mm.Owing to belong to rolling friction between the surface of backing roll and pipe, bar; therefore setting the distance of adjusting changes very little within a certain period of time; not frayed for the protection sensor, improving flaw detection precision and the standard property touched provides assurance, the serviceable life of also having improved sensor simultaneously.
The other parts of the electromagnetic flaw detection device that the present invention does not relate to, as the collection of the inner structure of sensor and signal and transmission etc., all same as the prior art.
Compared with prior art, the invention has the beneficial effects as follows:
1. the circular arc center line of the sensor in this electromagnetic flaw detection device is parallel constant with pipe to be measured, the axis of bar all the time, only need in time finely tune the suitable distance on sensor surface and pipe, bar surface, can accurately detect the various defectives of pipe, bar;
2. the backing roll in this electromagnetic flaw detection device has adopted the envelope roll shape curve, therefore except playing supporting role, also can play correcting to pipe, bar, because pipe, bar rotation are advanced, sensor line flaw detection in this case can detect the various defectives of the vertical, horizontal of pipe, bar simultaneously;
3. because in the flaw detection process, detect with rectification and carry out simultaneously, tested pipe, bar are under the roll-in system of being supported all the time, be that tested pipe, bar itself can not produce shake, thereby guarantee that sensor is not frayed, that this device has is simple in structure, easy to operate, improve accuracy of detection and accuracy, integrate the characteristics of flaw detection function and straightening function.
Description of drawings
Fig. 1 provides the front view of embodiment for the present invention;
Fig. 2 is that Fig. 1 adjusts the vertical view after the β angle according to pipe, bar specification;
Fig. 3 is the A-A view of Fig. 1.
Embodiment
As Fig. 1～shown in Figure 3, this multifunction electromagnetic flaw detection device, include sensor 8, be installed in pipe, bearing 1 on the bar straightener, bolster 2, backing roll 3 and sensor stand 5 with envelope roll shape curve, wherein bearing 1 is provided with bolster 2, backing roll 3 is housed on the bolster 2, described bearing 1 is contained on the fixed head 7, be equipped with deep-slotted chip breaker and penetrate bolted on bearing 1 and fixed head 7 opposite positions, one end of described sensor stand 5 passes the through hole at bearing 1 center and joins with the threaded hole at fixed head 7 centers, the other end of sensor stand 5 is connected with the sensor 8 that is arranged between the two-side supporting roller 3, also be with supporting sleeve 4 on the described sensor stand 5, this supporting sleeve 4 is connected with bearing 1, the bottom of this supporting sleeve 4 is provided with horizontal hole 6, one end of bolster 2 cantilevers penetrates in the hole 6, to play the effect of supporting bolster 2.
During use, elder generation is according to the specification of pipe, bar 9, turn on bearing 1 and the fixed head 7 fastening bolt and along the position of the selected fastening bolt of deep-slotted chip breaker, to adjust backing roll 3 axis and to need corresponding angle of cut β between flaw detection pipe, bar 9 axis, adjust depressing position again, backing roll 3 is pressed on to be needed on the surface of flaw detection pipe, bar 9, then by screwing the sensor stand 5 that joins with fixed head 7 screwed hole of centre, make it to adjust sensor 8 and need distance between flaw detection pipe, bar 9 surfaces, S≤0.5mm can start working.
When pipe to be measured, bar 9 advances to the multifunction electromagnetic flaw detection device that the present invention provides along the roller bed conveying line of pipe, bar straightener, backing roll 3 is pushed down pipe to be measured, bar 9, because the roll surface of backing roll 3 is the envelope roll shape curve, except playing the supporting suppression, also simultaneously pipe, bar 9 are corrected, and drive is managed, bar 9 rotations are advanced, and supporting sleeve 4 and 8 maintenances of sensor of plaing on the sensor stand 5 that supports bolster 2 effects are motionless.Backing roll 3 is fixed on the supporting base and rotates as drive roll except can also being connected with the output shaft of motor around the bolster rotation as driven roll.
For guarantee to regulate sensor 8 and need between flaw detection pipe, bar 9 surfaces apart from the time, have only sensor stand 5 rotation and liftings, and not rotation thereupon of 8 liftings of sensor, can on the shell of sensor 8, hole be set for this reason, one end of sensor stand 5 probes in this hole and with pressing plate and cuts off, and makes it to rotate in this hole and can not extract, and promptly sensor 8 can the lifting with the lifting of sensor stand 5, and the influence that not self rotated by sensor stand 5, distance compresses after adjusting again.Certainly also can take other connected mode, make sensor 8 not with sensor stand 5 rotations, only with sensor stand 5 rising-falling tone distances.
This multifunction electromagnetic flaw detection device that the present invention provides, on the production line that is installed in pipe, bar straightener, manage, the electromagnetic test and the rectification work of bar, also can be installed on the production line of sheet material or section-straightening machine, carry out the electromagnetic test and the rectification work of sheet material or section bar.
Claims (3)
1. multifunction electromagnetic flaw detection device, include sensor, it is characterized in that also including and be installed in pipe, bearing on the bar straightener, bolster, backing roll and sensor stand with envelope roll shape curve, wherein said bearing is provided with bolster, backing roll is housed on the bolster, described bearing is contained on the fixed head, be equipped with deep-slotted chip breaker and penetrate bolted on bearing and the fixed head opposite position, one end of described sensor stand passes the through hole at bearing center and joins with the threaded hole at fixed head center, the other end of sensor stand is connected with the sensor that is arranged between the two-side supporting roller, also be with supporting sleeve on the described sensor stand, this supporting sleeve and bearing are connected, the bottom of this supporting sleeve is provided with horizontal hole, and an end of bolster cantilever penetrates in the hole.
2. multifunction electromagnetic flaw detection device according to claim 1 is characterized in that being connected to of described sensor stand and sensor: the shell of sensor is provided with hole, and an end of sensor stand probes in this hole and with pressing plate and cuts off.
3. the described multifunction electromagnetic flaw detection device of claim 1 is characterized in that being applied on the production line of section-straightening machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100104142A CN100458436C (en) | 2007-02-14 | 2007-02-14 | Multifunction electromagnetic flaw detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100104142A CN100458436C (en) | 2007-02-14 | 2007-02-14 | Multifunction electromagnetic flaw detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101025406A CN101025406A (en) | 2007-08-29 |
| CN100458436C true CN100458436C (en) | 2009-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2007100104142A Expired - Fee Related CN100458436C (en) | 2007-02-14 | 2007-02-14 | Multifunction electromagnetic flaw detection device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109425654B (en) * | 2017-08-24 | 2021-10-15 | 重庆钢铁研究所有限公司 | Flaw detection processing method for metal pipe |
| CN109425659B (en) * | 2017-08-24 | 2021-10-15 | 重庆钢铁研究所有限公司 | Steel pipe flaw detection system |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3568485A (en) * | 1968-08-09 | 1971-03-09 | Republic Steel Corp | Method and apparatus for straightening and testing workpieces |
| JPH10153581A (en) * | 1996-11-22 | 1998-06-09 | Nippon Metal Ind Co Ltd | Inspection method for high-frequency welded steel pipe, and its manufacturing equipment |
| CN2289240Y (en) * | 1996-04-29 | 1998-08-26 | 梅盼和 | Electromagnetic flaw detector for steel pipe |
| US6617849B1 (en) * | 1999-06-15 | 2003-09-09 | Georgsmarienhütte Gmbh | Device for the nondestructive testing of especially hot bar shaped rolling material |
| CN2630848Y (en) * | 2003-06-18 | 2004-08-04 | 刘学柱 | Intelligent electromagnetic detecting machine |
| CN1553175A (en) * | 2003-05-28 | 2004-12-08 | 中国科学院大连化学物理研究所 | Plastic chip for electrochemical test and preparing method thereof |
| CN1584583A (en) * | 2003-08-18 | 2005-02-23 | 林俊明 | Rapid-speed metal piping, bar and wire stock on-line defect detecting method and detector thereof |
| CN2849719Y (en) * | 2005-12-06 | 2006-12-20 | 程诗斌 | Rotary detector for longitudinal defect of steel pipe |
| CN2849718Y (en) * | 2005-06-16 | 2006-12-20 | 华中科技大学 | Portable drilling rod magnetic leakage nondestructive flaw detector |
| CN201011516Y (en) * | 2007-02-14 | 2008-01-23 | 沈阳银捷机械装备制造有限责任公司 | Multifunctional electromagnetic defect detecting device |
-
2007
- 2007-02-14 CN CNB2007100104142A patent/CN100458436C/en not_active Expired - Fee Related
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3568485A (en) * | 1968-08-09 | 1971-03-09 | Republic Steel Corp | Method and apparatus for straightening and testing workpieces |
| CN2289240Y (en) * | 1996-04-29 | 1998-08-26 | 梅盼和 | Electromagnetic flaw detector for steel pipe |
| JPH10153581A (en) * | 1996-11-22 | 1998-06-09 | Nippon Metal Ind Co Ltd | Inspection method for high-frequency welded steel pipe, and its manufacturing equipment |
| US6617849B1 (en) * | 1999-06-15 | 2003-09-09 | Georgsmarienhütte Gmbh | Device for the nondestructive testing of especially hot bar shaped rolling material |
| CN1553175A (en) * | 2003-05-28 | 2004-12-08 | 中国科学院大连化学物理研究所 | Plastic chip for electrochemical test and preparing method thereof |
| CN2630848Y (en) * | 2003-06-18 | 2004-08-04 | 刘学柱 | Intelligent electromagnetic detecting machine |
| CN1584583A (en) * | 2003-08-18 | 2005-02-23 | 林俊明 | Rapid-speed metal piping, bar and wire stock on-line defect detecting method and detector thereof |
| CN2849718Y (en) * | 2005-06-16 | 2006-12-20 | 华中科技大学 | Portable drilling rod magnetic leakage nondestructive flaw detector |
| CN2849719Y (en) * | 2005-12-06 | 2006-12-20 | 程诗斌 | Rotary detector for longitudinal defect of steel pipe |
| CN201011516Y (en) * | 2007-02-14 | 2008-01-23 | 沈阳银捷机械装备制造有限责任公司 | Multifunctional electromagnetic defect detecting device |
Non-Patent Citations (4)
| Title |
|---|
| 新型电磁在线管道探伤仪. 王肇和.电测与仪表，第8期. 1993 |
| 新型电磁在线管道探伤仪. 王肇和.电测与仪表，第8期. 1993 * |
| 矫直及探伤精整线. 初红杰，季连春，秦泗田.一重技术，第2期. 2003 |
| 矫直及探伤精整线. 初红杰，季连春，秦泗田.一重技术，第2期. 2003 * |
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| CN101025406A (en) | 2007-08-29 |
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Owner name: LIAONING YINJIE MECHANICAL EQUIPMENT MANUFACTURING Free format text: FORMER OWNER: SHENYANG YINJIE MACHINERY EQUIPMENTS MANUFACTURE CO., LTD Effective date: 20090327 |
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Address after: 112611 Wan River Road, hi tech Industrial Development Zone, Liaoning, Tieling Patentee after: LIAONING YINJIE MACHINERY & EQUIPMENT MFG Co.,Ltd. Address before: 110165 Xin Cun, Ying Da Town, Dongling District, Liaoning, Shenyang Patentee before: LIAONING YINJIE MACHINERY & EQUIPMENT MFG Co.,Ltd. |
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Owner name: LIAONING YINJIE EQUIPMENT TECHNOLOGY CO., LTD. Free format text: FORMER NAME: LIAONING YINJIE MACHINERY + EQUIPMENT MANUFACTURING CO., LTD. |
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Address after: 112611 Wan River Road, hi tech Industrial Development Zone, Liaoning, Tieling Patentee after: LIAONING YINJIE EQUIPMENT TECHNOLOGY Co.,Ltd. Address before: 112611 Wan River Road, hi tech Industrial Development Zone, Liaoning, Tieling Patentee before: LIAONING YINJIE MACHINERY & EQUIPMENT MFG Co.,Ltd. |
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Effective date of registration: 20180329 Address after: 110000 Dadong District, Shenyang City, Liaoning Province, Xin Jia Village Patentee after: Liaoning Sheng Hong aviation industry Limited by Share Ltd. Address before: 112611 Wan River Road, hi tech Industrial Development Zone, Liaoning, Tieling Patentee before: LIAONING YINJIE EQUIPMENT TECHNOLOGY Co.,Ltd. |
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