CN109060950A - A kind of online eddy-current crack detector for steel wire surface defect - Google Patents
A kind of online eddy-current crack detector for steel wire surface defect Download PDFInfo
- Publication number
- CN109060950A CN109060950A CN201810585033.5A CN201810585033A CN109060950A CN 109060950 A CN109060950 A CN 109060950A CN 201810585033 A CN201810585033 A CN 201810585033A CN 109060950 A CN109060950 A CN 109060950A
- Authority
- CN
- China
- Prior art keywords
- steel wire
- input terminal
- output end
- computer
- eddy
- 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
Classifications
-
- 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
- G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
- G01N27/9073—Recording measured data
Abstract
The invention discloses a kind of online eddy-current crack detectors for steel wire surface defect, including steel wire, auto spray painting device, eddy current flaw detection probe, search coil, computer, drawing equipment, compressed air shotblasting machine, the auto spray painting device and the eddy current flaw detection probe are respectively arranged at the two sides of the steel wire, the steel wire is set on the drawing equipment, the compressed air shotblasting machine is set to the side of the steel wire, the search coil is set on the eddy current flaw detection probe, the output end of the search coil is connected with the input terminal of the computer, the output end of the computer input terminal with the auto spray painting device respectively, the input terminal of the drawing equipment, the input terminal of the compressed air shotblasting machine is connected.The invention object for the device that the present invention is detected and indicates for the existing defect for lacking guarantee steel wire surface, realizes the function that the defect of steel wire surface detected and be indicated on the whole.
Description
Technical field
The present invention relates to a kind of online eddy-current crack detectors for steel wire surface defect, belong to steel wire surface detection technique
Field.
Background technique
In oil temper wire EDDY CURRENT production process, the defect of steel wire surface is to valve spring pole in automobile engine
It is unfavorable.Defective that section of steel wire should be scrapped in the production process of wind spring.This results in being vortexed in oil temper wire
It detects in production process, should have ability discovery steel wire surface defect, and marked with special color.It is particularly important,
In the oil temper wire EDDY CURRENT production process of home and overseas, generally defect can be detected, but cannot provide specific
Defective locations will cause incalculable consequence if defective spring is mixed with good oil temper wire spring.Therefore
How to guarantee that the defect of steel wire surface is detected and indicates is problem that those skilled in the art face.
Summary of the invention
It is an object of the present invention to overcome defect of the existing technology, above-mentioned technical problem is solved, proposes that one kind is used for
The online eddy-current crack detector of steel wire surface defect.
The present invention adopts the following technical scheme: a kind of online eddy-current crack detector for steel wire surface defect, feature
It is, including steel wire, auto spray painting device, eddy current flaw detection probe, search coil, computer, drawing equipment, compressed air shotblasting machine, it is described
Auto spray painting device and the eddy current flaw detection probe are respectively arranged at the two sides of the steel wire, and the steel wire is set to the drawing
In equipment, the compressed air shotblasting machine is set to the side of the steel wire, and the search coil is set on the eddy current flaw detection probe, institute
The output end for stating search coil is connected with the input terminal of the computer, the output end of the computer respectively with it is described automatic
The input terminal of spray-painting plant, the input terminal of the drawing equipment, the compressed air shotblasting machine input terminal be connected.
Signal amplifier, A/D acquisition are additionally provided with as a kind of preferred embodiment, between search coil and computer
Card, the output end of search coil are connected with the input terminal of signal amplifier, output end and the A/D capture card of signal amplifier
Input terminal is connected, and the output end of A/D capture card is connected with the input terminal of computer.
As a kind of preferred embodiment, the output end of computer is additionally provided with pulse coder, pulse coder it is defeated
Enter end to be connected with the output end of computer, the output end of pulse coder respectively with the input terminal of auto spray painting device, drawing
The input terminal of equipment, the input terminal of compressed air shotblasting machine are connected.
As a kind of preferred embodiment, steel wire is piano wire or oil-temper spring steel wire.
As a kind of preferred embodiment, computer is internally provided with control chip, controls the output end and arteries and veins of chip
The input terminal for rushing encoder is connected, and the input terminal for controlling chip is connected with the output end of A/D capture card.
As a kind of preferred embodiment, controls chip and use philips700 chip.
Advantageous effects of the invention: the present invention is detected for the existing defect for lacking guarantee steel wire surface
And the invention object of the device indicated, it is moved by drawing equipment traction steel wire, the search coil on eddy current flaw detection probe is to steel
Surface quarter on silk hurts defect and is detected, if detecting quarter hurts defect, issues signal and is acquired by signal amplifier through A/D
Card is transferred to computer, and the control chip on computer issues pulse signal and controls auto spray painting device respectively to pulse coder
Carve and hurt defect spray painting mark, to the preceding a roll of weld with latter coil silk by compressed air shotblasting machine progress grinding process, from whole
The function that the defect of steel wire surface detected and be indicated is realized on body；The present invention can be to detection steel wire surface simultaneously
Defective locations monitored in real time, reduce human error bring influence.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the preferred embodiment of the present invention.
Meaning marked in the figure: 1- steel wire, 2- auto spray painting device, 3- eddy current flaw detection probe, 4- search coil, 5- letter
Number amplifier, 6-A/D capture card, 7- computer, 8- pulse coder, 9- drawing equipment, 10- compressed air shotblasting machine.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following embodiment is only used for clearly illustrating the present invention
Technical solution, and not intended to limit the protection scope of the present invention.
Fig. 1 is the structural schematic diagram of the preferred embodiment of the present invention, and the present invention proposes a kind of for steel wire surface defect
Online eddy-current crack detector, which is characterized in that including steel wire 1, auto spray painting device 2, eddy current flaw detection probe 3, search coil 4,
Computer 7, drawing equipment 9, compressed air shotblasting machine 10, auto spray painting device 2 and eddy current flaw detection probe 3 are respectively arranged at the two sides of steel wire 1,
Steel wire 1 is set on drawing equipment 9, and compressed air shotblasting machine 10 is set to the side of steel wire 1, and search coil 4 is set to eddy current flaw detection probe 3
On, the output end of search coil 4 is connected with the input terminal of computer 7, and the output end of computer 7 is filled with auto spray painting respectively
Set 2 input terminal, the input terminal of drawing equipment 9, compressed air shotblasting machine 10 input terminal be connected.
As a kind of preferred embodiment, signal amplifier 5 is additionally provided between search coil 4 and computer 7, A/D is adopted
The output end of truck 6, search coil 4 is connected with the input terminal of signal amplifier 5, and output end and the A/D of signal amplifier 5 are adopted
The input terminal of truck 6 is connected, and the output end of A/D capture card 6 is connected with the input terminal of computer 7.
As a kind of preferred embodiment, the output end of computer 7 is additionally provided with pulse coder 8, pulse coder 8
Input terminal be connected with the output end of computer 7, the input with auto spray painting device 2 respectively of the output end of pulse coder 8
End, the input terminal of drawing equipment 9, compressed air shotblasting machine 10 input terminal be connected.
As a kind of preferred embodiment, steel wire is piano wire or oil-temper spring steel wire.
As a kind of preferred embodiment, computer 7 is internally provided with control chip, controls the output end and arteries and veins of chip
The input terminal for rushing encoder 8 is connected, and the input terminal for controlling chip is connected with the output end of A/D capture card.
As a kind of preferred embodiment, controls chip and use philips700 chip.
The working principle of the invention: the present invention is detected and indicates for the existing defect for lacking guarantee steel wire surface
Device invention object, moved by 9 traction steel wire 1 of drawing equipment, the search coil 4 on eddy current flaw detection probe 3 is to steel wire 1
On surface carve and hurt defect and detected, if detecting quarter hurts defect, issue signal and acquired by signal amplifier 5 through A/D
Card 6 is transferred to computer 7, and the control chip on computer 7 issues pulse signal and controls automatic spray respectively to pulse coder 8
Paint device 2, which carve, hurts defect spray painting mark, is polished to the preceding a roll of weld with latter coil silk by compressed air shotblasting machine 10
Processing, realizes the function that the defect of steel wire surface detected and be indicated on the whole.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and deformations can also be made, these improvement and deformations
Also it should be regarded as protection scope of the present invention.
Claims (6)
1. a kind of online eddy-current crack detector for steel wire surface defect, which is characterized in that including steel wire (1), auto spray painting
Device (2), eddy current flaw detection probe (3), search coil (4), computer (7), drawing equipment (9), compressed air shotblasting machine (10), it is described automatic
Spray-painting plant (2) and the eddy current flaw detection probe (3) are respectively arranged at the two sides of the steel wire (1), and the steel wire (1) is set to
On the drawing equipment (9), the compressed air shotblasting machine (10) is set to the side of the steel wire (1), and the search coil (4) is set to
On the eddy current flaw detection probe (3), the output end of the search coil (4) is connected with the input terminal of the computer (7), institute
State the output end of computer (7) respectively with the input terminal of the auto spray painting device (2), the drawing equipment (9) input terminal,
The input terminal of the compressed air shotblasting machine (10) is connected.
2. a kind of online eddy-current crack detector for steel wire surface defect according to claim 1, which is characterized in that institute
It states and is additionally provided with signal amplifier (5), A/D capture card (6), the detection line between search coil (4) and the computer (7)
The output end of circle (4) is connected with the input terminal of the signal amplifier (5), the output end of the signal amplifier (5) and institute
The input terminal for stating A/D capture card (6) is connected, the output end of the A/D capture card (6) and the input terminal of the computer (7)
It is connected.
3. a kind of online eddy-current crack detector for steel wire surface defect according to claim 2, which is characterized in that institute
The output end for stating computer (7) is additionally provided with pulse coder (8), the input terminal of the pulse coder (8) and the calculating
The output end of machine (7) is connected, the input with the auto spray painting device (2) respectively of the output end of the pulse coder (8)
End, the input terminal of the drawing equipment (9), the compressed air shotblasting machine (10) input terminal be connected.
4. a kind of online eddy-current crack detector for steel wire surface defect according to claim 1, which is characterized in that institute
Stating steel wire is piano wire or oil-temper spring steel wire.
5. a kind of online eddy-current crack detector for steel wire surface defect according to claim 3, which is characterized in that institute
That states computer (7) is internally provided with control chip, the output end of the control chip and the input of the pulse coder (8)
End is connected, and the input terminal of the control chip is connected with the output end of the A/D capture card.
6. a kind of online eddy-current crack detector for steel wire surface defect according to claim 5, which is characterized in that institute
Control chip is stated using philips700 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810585033.5A CN109060950A (en) | 2018-06-08 | 2018-06-08 | A kind of online eddy-current crack detector for steel wire surface defect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810585033.5A CN109060950A (en) | 2018-06-08 | 2018-06-08 | A kind of online eddy-current crack detector for steel wire surface defect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109060950A true CN109060950A (en) | 2018-12-21 |
Family
ID=64820643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810585033.5A Pending CN109060950A (en) | 2018-06-08 | 2018-06-08 | A kind of online eddy-current crack detector for steel wire surface defect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109060950A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4258319A (en) * | 1977-09-08 | 1981-03-24 | Nippon Kokan Kabushiki Kaisha | Surface defect detecting apparatus for use with rotating circularly shaped metallic material |
| JP2001074699A (en) * | 1999-09-01 | 2001-03-23 | Daido Steel Co Ltd | Flaw detecting apparatus |
| CN102004129A (en) * | 2010-12-13 | 2011-04-06 | 山东哈大电气有限公司 | On-line vortex flaw detecting system |
| CN204422479U (en) * | 2014-12-31 | 2015-06-24 | 北京北冶功能材料有限公司 | A kind of online eddy current test pick-up unit of odd-shaped cross section steel |
| CN105382153A (en) * | 2015-11-26 | 2016-03-09 | 常州机电职业技术学院 | Valve spring production process |
| CN205720097U (en) * | 2016-02-25 | 2016-11-23 | 天津高盛钢丝绳有限公司 | A kind of steel wire rope nondestructive inspection system |
| CN205826599U (en) * | 2016-06-20 | 2016-12-21 | 越策联合（厦门）检测科技有限公司 | A kind of flat type online eddy current testing device of metal spring steel wire |
| 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 |
-
2018
- 2018-06-08 CN CN201810585033.5A patent/CN109060950A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4258319A (en) * | 1977-09-08 | 1981-03-24 | Nippon Kokan Kabushiki Kaisha | Surface defect detecting apparatus for use with rotating circularly shaped metallic material |
| JP2001074699A (en) * | 1999-09-01 | 2001-03-23 | Daido Steel Co Ltd | Flaw detecting apparatus |
| CN102004129A (en) * | 2010-12-13 | 2011-04-06 | 山东哈大电气有限公司 | On-line vortex flaw detecting system |
| CN204422479U (en) * | 2014-12-31 | 2015-06-24 | 北京北冶功能材料有限公司 | A kind of online eddy current test pick-up unit of odd-shaped cross section steel |
| CN105382153A (en) * | 2015-11-26 | 2016-03-09 | 常州机电职业技术学院 | Valve spring production process |
| CN205720097U (en) * | 2016-02-25 | 2016-11-23 | 天津高盛钢丝绳有限公司 | A kind of steel wire rope nondestructive inspection system |
| CN205826599U (en) * | 2016-06-20 | 2016-12-21 | 越策联合（厦门）检测科技有限公司 | A kind of flat type online eddy current testing device of metal spring steel wire |
| 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 |
Non-Patent Citations (4)
| Title |
|---|
| 康熊: "《铁路试验检测评估技术》", 31 August 2012, 中国铁道出版社 * |
| 张永平 等: "《电工电子技术 第2版》", 30 September 2017, 华中科技大学出版社 * |
| 邹丽新 等: "《单片微型计算机原理》", 31 January 2009, 苏州大学出版社 * |
| 马一民 等: "《数控技术与应用》", 31 March 2006, 西安电子科技大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106353397B (en) | Device and system for detecting magnetic leakage of damage on top surface of vehicle-mounted steel rail | |
| CN111300144A (en) | Automatic detection method for tool wear state based on image processing | |
| CN203324226U (en) | Vortex detecting device of seamless steel pipes | |
| CN108247251B (en) | Using the excitation coil weld seam path deviation correcting device and method of dual-Hall sensor | |
| Yan et al. | Online nondestructive testing for fine steel wire rope in electromagnetic interference environment | |
| CN107764839A (en) | A kind of steel wire rope surface defect online test method and device based on machine vision | |
| CN205156778U (en) | Screw thread automated inspection mechanism | |
| CN109060950A (en) | A kind of online eddy-current crack detector for steel wire surface defect | |
| CN105259248A (en) | Aviation engine blade surface damage eddy current scanning and detecting system | |
| CN108044454A (en) | For the polishing system and method for wind generator set blade | |
| Kumar et al. | Quality level assessment for imperfections in GMAW | |
| CN204924181U (en) | Engine main shaft tile assembly quality check out test set | |
| CN105548342A (en) | Portable steel wire rope nondestructive test device | |
| CN105606151A (en) | Car bearing ring intelligent comprehensive test system | |
| CN205620561U (en) | Energy -conserving accessible electrostatic detection protection system of moving object | |
| CN109459489B (en) | Elevator crack detection method based on magnetic memory detection principle | |
| CN111141817A (en) | Stranded wave noise elimination device for nondestructive testing of steel wire rope | |
| CN205879869U (en) | Automatic mark formula arcwall face nondestructive test mechanism | |
| CN205941455U (en) | Boiler water wall warm oneself in front of a fire side annular crack detection device | |
| CN210923572U (en) | Plane eddy current detection device for flow passage component of water turbine | |
| CN203031281U (en) | Quick-changing working table with locking detection mechanism | |
| CN108982656A (en) | A kind of eddy-current flaw detecting method for steel wire surface defect | |
| CN108344352A (en) | A kind of cylinder body on-line measurement error prevention device | |
| CN110095527B (en) | Automatic fluorescent magnetic powder flaw detection device and method on assembly line | |
| CN206847919U (en) | A kind of elevator safety gear debugging apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181221 |