CN207232076U - A kind of spring magnetic powder inspection electrode - Google Patents
A kind of spring magnetic powder inspection electrode Download PDFInfo
- Publication number
- CN207232076U CN207232076U CN201721221898.0U CN201721221898U CN207232076U CN 207232076 U CN207232076 U CN 207232076U CN 201721221898 U CN201721221898 U CN 201721221898U CN 207232076 U CN207232076 U CN 207232076U
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- Prior art keywords
- electrode
- copper plate
- circle copper
- spring
- face
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- Expired - Fee Related
Links
- 239000006247 magnetic powder Substances 0.000 title claims abstract description 19
- 238000007689 inspection Methods 0.000 title claims abstract description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 53
- 229910052802 copper Inorganic materials 0.000 claims abstract description 53
- 239000010949 copper Substances 0.000 claims abstract description 53
- 238000009413 insulation Methods 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 description 14
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 239000007921 spray Substances 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 230000005415 magnetization Effects 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011094 fiberboard Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
Spring magnetic powder inspection electrode, including a pair of circle copper plate electrode, circle copper plate electrode insulating blanket, a pair of parallel circle copper plate electric pole-face is opposite point-blank, and its spacing covers the length of spring to be detected a flaw, one layer of insulation board of the same area is padded behind circle copper plate electric pole-face, the central hollow position of spring workpiece circle copper plate electrode is that the middle position of circle copper plate electric pole-face is circular hole, and straight rod conductive copper bar, that is, electrode axis perpendicular to circle copper plate electric pole-face is accommodated in circular hole；Axis shape electrode and circle copper plate electrode mutual insulating.
Description
Technical field：
It the utility model is related to a kind of facility of magnetic powder inspection, and in particular to a kind of magnetic powder inspection to spring flaw detection is electromechanical
Pole.
Background technology：
Large-sized steel spring needs to detect a flaw, and magnetic powder inspection utilizes the interaction of the stray field and magnetic powder at workpiece, defect,
It make use of steel product surface and the difference of near surface flaw (such as crackle, slag inclusion, hairline etc.) magnetic conductivity and steel magnetic conductivity,
Distortion will occur for the magnetic field after magnetization at these material discontinuities, form part magnetic flux leakage workpiece surface and generate leakage field
, so as to attract magnetic powder to form magnetism powder accumulation --- the magnetic trace of fault location, (including ultraviolet lamp or daylight are used in appropriate illumination
Lamp) under the conditions of, defective locations and shape are shown, the accumulation to these magnetic powders is observed and explained, is achieved that magnetic powder is visited
Wound.In order to apply magnetic field and keep big magnetic field intensity, large-sized steel spring magnaflux generally requires large-scale coil,
Energy consumption is big, and volume is big, of high cost.
CN106404894 provides a kind of equipment of the coil method magnetic powder inspection of special-shaped steel components, is also used at present large-scale
The flaw detection of steel spring, according to the requirement of standard, bar diameter more than 4mm spring with regard to application requirement magnetic powder inspection, it is existing
The equipment of coil method magnetic powder inspection be a larger iron core container, parts are placed in the hot-wire coil of its outer diameter, or
It is wound on product and is magnetized with flexible cable, is formed longitudinal magnetic field and even further include Circumferential field.For detecting and coil axis direction
Vertical discontinuity.Workpiece can be completely infused in magnetic flaw detection ink so that magnetic flaw detection ink uniform fold is visited in workpiece surface, raising
The accuracy of wound.
Utility model content：
The purpose of this utility model is to propose a kind of electrode of novel spring magnaflux for above-mentioned deficiency, can profit
Magnetic field is produced with spring itself energization to detect a flaw to magnetic powder effect with externally-applied magnetic field.
Above-mentioned purpose is realized by following technical scheme：Spring magnetic powder inspection electrode, including a pair of of circle copper plate electrode,
Circle copper plate electrode insulating blanket, a pair of parallel circle copper plate electric pole-face is opposite point-blank, and its spacing covers and waits to detect a flaw
Spring length, circle copper plate electric pole-face pads one layer of insulation board of the same area below, and spring workpiece is justified in copper plate electrode
Centre hollow position is that the middle position of circle copper plate electric pole-face is circular hole, and the straight rod accommodated in circular hole perpendicular to circle copper plate electric pole-face is led
Electrolytic copper bar, that is, electrode axis；Axis shape electrode and circle copper plate electrode mutual insulating.
Insulating blanket is epocel plate or nylon sheet；
The electrode axis insulation sleeve of the circular hole installation tubulose of circle copper plate electrode, electrode axis are installed in electrode axis insulation sleeve, electricity
Pole axis can slide in electrode axis insulation sleeve.
A pair of circle copper plate electrode and straight rod conductive copper bar connect the first power supply and second source respectively, first and second power supply
It is the sine wave low-tension supply (10-20V) that phase differs 90 degree, circle copper plate electrode 3 clamps spring to be detected a flaw and straight rod conductive copper
Bar produces longitudinal direction and periphery magnetic field when being carried out at the same time energization, then magnetic flaw detection ink sprinkling equipment sprays magnetic flaw detection ink to spring surface, to bullet
Spring surface carries out spray and detects a flaw.Especially first and second power supply is the sine wave low-tension supply that phase differs 90 degree, right
Spring surface spray is detected a flaw, and it is rotation spring workpiece to rotate a circle copper plate electrode 3, then observes that the whole periphery of workpiece is complete
Into flaw detection.Magnetic flaw detection ink is sprayed to the whole length of spring.Straight rod conductive copper bar is because impedance is low, preferably with constant current source current.
The electrode plate of spring magnetic spy wound is powered spring, and be powered the magnetic formed with the spiral energization of spring plus central conducting rod
Field forms resultant magnetic field or resultant field together, can detect a flaw when spraying magnetic flaw detection ink to the multi-direction of spring.
Beneficial effect：The utility model is used for large-sized steel spring magnaflux, without massive coil, forms longitudinal flux
It is to need most the flaw detection issuable transversal crack of spring that field, which includes the magnetic field that Circumferential field, especially axial electrode are formed,.This reality
Low with the new energy consumption for defectoscope, small, the mechanism of magnetic detection is reasonable, and energy cost substantially reduces.It is spiral for detecting
Shape spring (turriform that can also detect a flaw or dolioform spring), improves the accuracy of flaw detection.It is powered using spring itself and produces magnetic field
Magnetic powder is acted on externally-applied magnetic field, there is efficiently and accurately flaw detection effect.
Brief description of the drawings：
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is to justify copper plate electrode front schematic view in Fig. 1 of the utility model.
As shown in the figure, circle copper plate electrode 1, circle copper plate electrode insulating blanket 2, electrode axis 3, electrode axis insulation sleeve 4, workpiece
(spring) 5.
Embodiment：
Below in conjunction with the accompanying drawings and specific embodiment, the utility model is furtherd elucidate.It should be understood that following embodiments
The utility model is merely to illustrate without limiting the scope of the utility model.
Embodiment 1：As shown in Figure 1：The present embodiment is applied to spring magnaflux, is set in the rack and waits to detect a flaw
Spring workpiece 5, circle copper plate electrode 1, circle copper plate electrode insulating blanket 2, electrode axis 3, electrode axis insulation sleeve 4, a pair of circle copper plate electric
The spacing of pole-face covers the length of spring to be detected a flaw, and a round copper plate electric pole-face props up one end of spring, with another fixation
Circle copper plate electric pole-face clamp spring and make electrical contact with；One layer of epoxy of the same area can be padded behind circle copper plate electric pole-face
Fiberboard or nylon sheet, that is, insulating blanket.Fixed with copper plate electric pole-face gluing or screw, the central hollow position of spring workpiece is
The middle position of circle copper plate electric pole-face is circular hole structure, and the straight rod conductive copper bar being equipped with hole perpendicular to circle copper plate electric pole-face is
Axis shape electrode, electrode axis insulation sleeve 4 entangle axis shape electrode, make axis shape electrode and circle copper plate electrode mutual insulating；
The course of work：Workpiece to be detected a flaw is placed between round copper plate electric pole-face and is powered, magnetic flaw detection ink sprinkling equipment spray arrives
Detect a flaw on spring workpiece.
The utility model circuit is to be powered (magnetic field generator) by helical spring and the magnetic field generator of straight rod conductive copper bar
Formed for two sets of circuits of core, power supply is quoted from 380V three-phase alternating currents, its AB connects circumferential ac magnetization power transformer, BC
Connect longitudinal ac magnetization power transformer, this is mutually independent in trigger circuit.The adjustment of energization magnetizing current, respectively
By two high-quality silicon-controlled completions, change is serially connected in the angle of flow silicon-controlled in main transformer primary return, you can changes main transformer
The voltage amplitude of depressor primary, so as to change the size of transformer secondary current, to achieve the purpose that to adjust magnetizing current size.
Control silicon module phase-shift trigger circuit to form using existing integrated circuit and its peripheral cell, as long as on rotating panel
Potentiometer be can reach adjust output current size purpose.
Technological means disclosed in the utility model is not limited only to disclosed in above-mentioned technological means, further include by with
The technical solution that upper technical characteristic equivalent substitution is formed.The unaccomplished matter of the utility model, belongs to those skilled in the art's
Common knowledge.
Claims (3)
1. spring magnetic powder inspection electrode, it is characterized in that including a pair of circle copper plate electrode, circle copper plate electrode insulating blanket, it is a pair of parallel
Circle copper plate electric pole-face it is opposite point-blank, and its spacing covers the length of spring to be detected a flaw, circle copper plate electric pole-face
One layer of insulation board of the same area is padded below, and the central hollow position of spring workpiece circle copper plate electrode is in circle copper plate electric pole-face
Centre position is circular hole, and straight rod conductive copper bar, that is, electrode axis perpendicular to circle copper plate electric pole-face is accommodated in circular hole；Axis shape electrode and circle
Copper plate electrode mutual insulating.
2. spring magnetic powder inspection electrode according to claim 1, it is characterized in that the circular hole installation tubulose of circle copper plate electrode
Electrode axis insulation sleeve, electrode axis are installed in electrode axis insulation sleeve, and electrode axis can be slided in electrode axis insulation sleeve.
3. spring magnetic powder inspection electrode according to claim 1, it is characterized in that a pair of of circle copper plate electrode and straight rod conductive copper
Bar connects the first power supply and second source respectively, first and second power supply is the sine wave low-tension supply that phase differs 90 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721221898.0U CN207232076U (en) | 2017-09-22 | 2017-09-22 | A kind of spring magnetic powder inspection electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721221898.0U CN207232076U (en) | 2017-09-22 | 2017-09-22 | A kind of spring magnetic powder inspection electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207232076U true CN207232076U (en) | 2018-04-13 |
Family
ID=61863490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721221898.0U Expired - Fee Related CN207232076U (en) | 2017-09-22 | 2017-09-22 | A kind of spring magnetic powder inspection electrode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207232076U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108766155A (en) * | 2018-08-09 | 2018-11-06 | 浙江大学城市学院 | The parallel copper rod stress demonstrating of two energization of one kind and quantitative measurment experiment instrument |
| CN111912898A (en) * | 2020-07-21 | 2020-11-10 | 杭州兴发弹簧有限公司 | Double-mode magnetic powder flaw detection device with energized and energized spiral compression spring |
-
2017
- 2017-09-22 CN CN201721221898.0U patent/CN207232076U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108766155A (en) * | 2018-08-09 | 2018-11-06 | 浙江大学城市学院 | The parallel copper rod stress demonstrating of two energization of one kind and quantitative measurment experiment instrument |
| CN111912898A (en) * | 2020-07-21 | 2020-11-10 | 杭州兴发弹簧有限公司 | Double-mode magnetic powder flaw detection device with energized and energized spiral compression spring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Spring magnetic particle flaw detection electrode Effective date of registration: 20210803 Granted publication date: 20180413 Pledgee: China Construction Bank Corporation Sheyang sub branch Pledgor: JIANGSU ZHONGKAI DETECTION EQUIPMENT MANUFACTURING Co.,Ltd. Registration number: Y2021980007232 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180413 |