CN204422479U - A kind of online eddy current test pick-up unit of odd-shaped cross section steel - Google Patents
A kind of online eddy current test pick-up unit of odd-shaped cross section steel Download PDFInfo
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- CN204422479U CN204422479U CN201420869751.2U CN201420869751U CN204422479U CN 204422479 U CN204422479 U CN 204422479U CN 201420869751 U CN201420869751 U CN 201420869751U CN 204422479 U CN204422479 U CN 204422479U
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Abstract
An online eddy current test pick-up unit for odd-shaped cross section steel, belongs to detection technique field.This device can on-line checkingi odd-shaped cross section steel.Comprise paying out machine (1), flat straightener (2), front horizontal straightener (3), carry-over pinch rolls (4), eddy current coil (5), marker (6), rear horizontal smoothing roll (7), spooler (8), eddy current flaw detec (9), carry-over pinch rolls motor (10) and admission machine motor (11); Flat straightener (2), front horizontal straightener (3), carry-over pinch rolls (4), eddy current coil, marker (6) and rear horizontal smoothing roll (7) are fixing on the table according to sequencing; Admission machine (8) and paying out machine (1) are arranged on the front and back position of worktable respectively; Eddy current flaw detec (9) is connected with eddy current coil; Carry-over pinch rolls motor (10) is connected with carry-over pinch rolls; Admission machine motor (11) is connected with admission machine (1).Eddy current coil is odd-shaped cross section, and its shape is consistent with tested profiled bar cross sectional shape.Advantage is, achieves harmless, accurate, the efficient surface defects detection of profiled bar.
Description
Technical field
The utility model belongs to detection technique field, particularly relates to a kind of online eddy current test pick-up unit of odd-shaped cross section steel, is applicable to various odd-shaped cross section steel and carries out continuous Non-Destructive Testing online.
Background technology
At present, online eddy-current crack detector can detection sectional plane shape be circular tubing, bar and silk material, if the patent No. is that what relate in the utility model patent of ZL200920070683.2 is the online eddy current testing equipment of a kind of spring steel wire, applicable material specification is the round silk of Φ 1mm ~ Φ 16mm; Application number is that what relate in the patent of invention of 200810209857.9 is the eddy-current flaw detecting method of Φ 20mm ~ Φ 38mm aluminum alloy thin walled pipe; Application number is that what relate in the utility model patent of 201120491213.0 is a kind of eddy current testing device of polygon metal pipe bar, although this device can detect odd-shaped cross section material, but, detection method due to this device is that detection probe moves, tested material is fixed, therefore, it is only applicable to offline inspection, cannot realize the surface defects detection of the long profiled bar of km.The utility model relates to the online eddy current testing device that a kind of cross section is the profiled bar such as rectangle, semicircle, sexangle, this technology yet there are no Patents and open report.
Summary of the invention
The purpose of this utility model is the online eddy current test pick-up unit providing a kind of odd-shaped cross section steel, achieves continuously, detects efficiently, accurately the surface imperfection of profiled bar
The utility model comprises paying out machine 1, flat straightener 2, front horizontal straightener 3, carry-over pinch rolls 4, eddy current coil 5, marker 6, rear horizontal straightener 7, admission machine 8, eddy current flaw detec 9, carry-over pinch rolls motor 10, admission machine motor 11; Wherein, flat straightener 2, front horizontal straightener 3, carry-over pinch rolls 4, eddy current coil, marker 6 and rear horizontal smoothing roll are fixing on the table according to sequencing; Admission machine 8 and paying out machine 1 are arranged on the front and back position of worktable respectively; Eddy current flaw detec 9 is connected with eddy current coil; Carry-over pinch rolls motor 10 is connected with carry-over pinch rolls; Admission machine motor 11 is connected with admission machine.
This device can on-line checkingi odd-shaped cross section steel.Eddy current coil 5 is odd-shaped cross section, and its shape is consistent with tested profiled bar cross sectional shape, and the size of eddy current coil should match with the radial dimension of tested profiled bar.
Adopt flat straightener 2, front horizontal straightener 3, carry-over pinch rolls 4, rear horizontal smoothing roll 7 and carry-over pinch rolls motor 10 and admission machine 11 to realize steel at the uniform velocity, concentric on eddy current coil 5, ensure the accuracy that detects and reliability.
Make control sample should with the specification of tested profiled bar, chemical composition, Technology for Heating Processing are similar with surface state, manufacturing artificial defect, process at least 3 measure-alike circular hole, rectangle or U-type groove, the axial distance of defect should make the display of artificial defect obviously differentiate.
Debugging eddy current flaw detec 9: control sample is put into eddy current coil 5, with eddy current coil) make relative linear uniform motion, then adjust phase place, signal to noise ratio (S/N ratio), frequency filtering and gain, 3 defects are just all reported to the police.According to travelling speed adjustment mark time delay, mark is beaten in defect.
In order to ensure the accuracy that detects and reliability, should ensure during detection shaped filaments at the uniform velocity, concentric on eddy current coil, keep stablizing of eddy current coil and profiled bar gap.The utility model adopt flat straightener, front horizontal straightener, carry-over pinch rolls, rear horizontal smoothing roll and carry-over pinch rolls and admission machine motor to realize this function.
The concrete steps of EDDY CURRENT are:
1, to make and eddy current coil that tested profiled bar size and frequency match;
2, make control sample: with tested profiled bar same size, on the sample that chemical composition, Technology for Heating Processing are similar with surface state, manufacturing artificial defect, process at least 3 measure-alike circular hole, rectangle or U-type groove, the axial distance of defect should make the display of artificial defect obviously differentiate.
3, eddy current flaw detec is debugged: control sample is put into eddy current coil, makes relative linear uniform motion with eddy current coil, then adjust phase place, signal to noise ratio (S/N ratio), frequency filtering and gain, 3 defects are just all reported to the police.According to travelling speed adjustment mark time delay, mark is beaten in defect.
4, detect: a dish shaped filaments is installed on paying out machine, make shaped filaments in order respectively by flat straightener, front horizontal straightener, carry-over pinch rolls, eddy current coil, marker, rear horizontal straightener, admission machine, then, start carry-over pinch rolls motor and admission machine motor, carrying out flaw detection is carried out under certain speed, when surface imperfection is greater than artificial defect, marker carries out defect demarcation.When whole dish shaped filaments is all by eddy current coil and marker, just complete EDDY CURRENT.
The utility model makes the online EDDY CURRENT of profile cross-section steel become possibility, has filled up the blank of this respect; Achieve harmless, accurate, the efficient surface defects detection of profiled bar.
Accompanying drawing explanation
Fig. 1 is the utility model apparatus structure schematic diagram.
Fig. 2 is the utility model eddy current coil side view.
The eddy current coil configuration schematic diagram of Fig. 3 to be the utility model cross sectional shape be bandlet.
The eddy current coil configuration schematic diagram of Fig. 4 to be the utility model cross sectional shape be fan-shaped silk.
Fig. 5 is the utility model bandlet schematic cross-section.
Fig. 6 is the fan-shaped silk schematic cross-section of the utility model.
In figure, paying out machine 1, flat straightener 2, front horizontal straightener 3, carry-over pinch rolls 4, eddy current coil 5, marker 6, rear horizontal straightener 7, admission machine 8, eddy current flaw detec 9, carry-over pinch rolls motor 10, admission machine motor 11, cross sectional dimensions are the bandlet 12 of 5.0 × 2.0mm; Cross sectional dimensions is the fan-shaped silk 13 of 7.5 × 1.25+R6.1mm.
Embodiment
The utility model comprises paying out machine 1, flat straightener 2, front horizontal straightener 3, carry-over pinch rolls 4, eddy current coil 5, marker 6, rear horizontal straightener 7, admission machine 8, eddy current flaw detec 9, carry-over pinch rolls motor 10, admission machine motor 11; Wherein flat straightener 2, front horizontal straightener 3, carry-over pinch rolls 4, eddy current coil, marker 6 and rear horizontal smoothing roll are fixing on the table according to sequencing; Admission machine 8 and paying out machine 1 are arranged on the front and back position of worktable respectively; Eddy current flaw detec 9 is connected with eddy current coil; Carry-over pinch rolls motor 10 is connected with carry-over pinch rolls; Admission machine motor 11 is connected with admission machine.
Below the utility model is described further.
Embodiment 1:
The bandlet 12 of tested material to be sectional dimension be 2.0 × 5.0mm.Make a set of specification shape according to scantling to match with it, frequency range is the eddy current coil 5 of 1-50KHz; Then intercepting a segment length from bandlet 12 is 400mm, and artificial defect making, without the control sample of any defect, is carried out in surface.3 U-type groove are processed on the surface of control sample altogether, are of a size of: groove depth 0.025mm, groove width 0.1mm, flute length 5mm.Wherein 2 artificial defective bit are in the wide Middle face of sample, and 1 artificial defective bit is in sample leptoprosopy, and the distance between each defect is 100mm, and defect and the termination distance of close end face are 100mm.Then, carry out the debugging of eddy current flaw detec 9, control sample is put into eddy current coil 5, make relative linear uniform motion with eddy current coil 5, adjustment phase place, signal to noise ratio (S/N ratio), frequency filtering and gain, make 3 defects just all report to the police.According to travelling speed adjustment mark time delay, mark is made to guarantee to beat in defect.After eddy current flaw detec 9 has been debugged, carry out carrying out flaw detection.During detection, first bandlet 12 is installed on paying out machine 1, in order respectively by flat straightener 2, front horizontal straightener 3, carry-over pinch rolls 4, eddy current coil 5, marker 6, rear horizontal straightener 7, admission machine 8, then carry-over pinch rolls motor 10 and admission machine motor 11 is started, the linear velocity of adjustment admission machine 8 is larger than carry-over pinch rolls 4 linear velocity, under the speed of 10-15m/min, carry out carrying out flaw detection, when surface imperfection is greater than artificial defect, marker 6 carries out defect demarcation.When whole dish GH738 bandlet 12 is all by eddy current coil 5 and marker 6, just complete EDDY CURRENT.
Embodiment 2
The fan-shaped silk 13 of tested material to be sectional dimension be 7.5 × 1.25+R6.1mm.Make a set of specification shape according to scantling to match with it, frequency range is the eddy current coil 5 of 1-50KHz; Then intercepting a segment length from the fan-shaped silk 13 of this specification is 400mm, and artificial defect making, without the control sample of any defect, is carried out in surface.3 U-type groove are processed on the surface of control sample altogether, are of a size of: groove depth 0.05mm, groove width 0.1mm, flute length 5mm.3 artificial defects lay respectively at the circular arc of sample, leptoprosopy and wide position, and the distance between each defect is 100mm, near defect and the termination of end face apart from being 100mm.Then, carry out debugging and the detection of eddy current flaw detec 9, step is with embodiment 1.
Claims (2)
1. the online eddy current test pick-up unit of odd-shaped cross section steel, it is characterized in that, comprise paying out machine (1), flat straightener (2), front horizontal straightener (3), carry-over pinch rolls (4), eddy current coil (5), marker (6), rear horizontal smoothing roll (7), spooler (8), eddy current flaw detec (9), carry-over pinch rolls motor (10) and admission machine motor (11); Flat straightener (2), front horizontal straightener (3), carry-over pinch rolls (4), eddy current coil, marker (6) and rear horizontal smoothing roll (7) are fixing on the table according to sequencing; Admission machine (8) and paying out machine (1) are arranged on the front and back position of worktable respectively; Eddy current flaw detec (9) is connected with eddy current coil; Carry-over pinch rolls motor (10) is connected with carry-over pinch rolls; Admission machine motor (11) is connected with admission machine (1).
2. the online eddy current test pick-up unit according to claim l, is characterized in that: eddy current coil (5) is odd-shaped cross section, and its shape and tested profiled bar cross sectional shape match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420869751.2U CN204422479U (en) | 2014-12-31 | 2014-12-31 | A kind of online eddy current test pick-up unit of odd-shaped cross section steel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420869751.2U CN204422479U (en) | 2014-12-31 | 2014-12-31 | A kind of online eddy current test pick-up unit of odd-shaped cross section steel |
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| CN204422479U true CN204422479U (en) | 2015-06-24 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105548348A (en) * | 2015-12-21 | 2016-05-04 | 中国兵器工业第五二研究所 | An online detecting method for metal wire surface detects and a detecting device |
| CN105929022A (en) * | 2016-04-18 | 2016-09-07 | 山东科技大学 | Detection apparatus and detection method for nondestructive damage evaluation of wire ropes by pulse eddy current |
| CN106680365A (en) * | 2016-12-22 | 2017-05-17 | 宝钢集团南通线材制品有限公司 | Transverse defect verification method in eddy current testing and pipe cutting device with vernier adjustment knob |
| CN108982656A (en) * | 2018-06-08 | 2018-12-11 | 铃木加普腾钢丝（苏州）有限公司 | A kind of eddy-current flaw detecting method for steel wire surface defect |
| CN109060950A (en) * | 2018-06-08 | 2018-12-21 | 铃木加普腾钢丝（苏州）有限公司 | A kind of online eddy-current crack detector for steel wire surface defect |
| CN110270645A (en) * | 2019-05-15 | 2019-09-24 | 安徽环新集团有限公司 | Wire rod on-line checking production line and method for piston ring |
| CN110294360A (en) * | 2019-07-28 | 2019-10-01 | 许兼 | A kind of motor automatic winding equipment based on cable self-test damage |
| CN110907534A (en) * | 2019-12-11 | 2020-03-24 | 爱德森（厦门）电子有限公司 | Online eddy current inspection method for thick steel wire coil |
| CN111941095A (en) * | 2020-08-11 | 2020-11-17 | 西安航空职业技术学院 | Automatic detection and grinding system for surface defects of titanium and titanium alloy wire blank |
| CN111965248A (en) * | 2020-08-10 | 2020-11-20 | 上海应用技术大学 | Online eddy current testing device for defects of multi-strand tire cord steel wires |
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2014
- 2014-12-31 CN CN201420869751.2U patent/CN204422479U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105548348A (en) * | 2015-12-21 | 2016-05-04 | 中国兵器工业第五二研究所 | An online detecting method for metal wire surface detects and a detecting device |
| CN105929022A (en) * | 2016-04-18 | 2016-09-07 | 山东科技大学 | Detection apparatus and detection method for nondestructive damage evaluation of wire ropes by pulse eddy current |
| CN106680365A (en) * | 2016-12-22 | 2017-05-17 | 宝钢集团南通线材制品有限公司 | Transverse defect verification method in eddy current testing and pipe cutting device with vernier adjustment knob |
| CN108982656A (en) * | 2018-06-08 | 2018-12-11 | 铃木加普腾钢丝（苏州）有限公司 | A kind of eddy-current flaw detecting method for steel wire surface defect |
| CN109060950A (en) * | 2018-06-08 | 2018-12-21 | 铃木加普腾钢丝（苏州）有限公司 | A kind of online eddy-current crack detector for steel wire surface defect |
| CN110270645A (en) * | 2019-05-15 | 2019-09-24 | 安徽环新集团有限公司 | Wire rod on-line checking production line and method for piston ring |
| CN110294360A (en) * | 2019-07-28 | 2019-10-01 | 许兼 | A kind of motor automatic winding equipment based on cable self-test damage |
| CN110294360B (en) * | 2019-07-28 | 2020-12-11 | 国网江苏省电力有限公司苏州供电分公司 | Automatic winding equipment of motor of self-checking damage is laid to cable and cable |
| CN110907534A (en) * | 2019-12-11 | 2020-03-24 | 爱德森（厦门）电子有限公司 | Online eddy current inspection method for thick steel wire coil |
| CN111965248A (en) * | 2020-08-10 | 2020-11-20 | 上海应用技术大学 | Online eddy current testing device for defects of multi-strand tire cord steel wires |
| CN111941095A (en) * | 2020-08-11 | 2020-11-17 | 西安航空职业技术学院 | Automatic detection and grinding system for surface defects of titanium and titanium alloy wire blank |
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