CN201561957U - Noncontact type magnetic powder flaw detecting device using three dimensional tridimensional rotating field - Google Patents
Noncontact type magnetic powder flaw detecting device using three dimensional tridimensional rotating field Download PDFInfo
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- CN201561957U CN201561957U CN200920255700XU CN200920255700U CN201561957U CN 201561957 U CN201561957 U CN 201561957U CN 200920255700X U CN200920255700X U CN 200920255700XU CN 200920255700 U CN200920255700 U CN 200920255700U CN 201561957 U CN201561957 U CN 201561957U
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- 239000006247 magnetic powder Substances 0.000 title claims abstract description 20
- 230000005291 magnetic effect Effects 0.000 claims description 42
- 238000007689 inspection Methods 0.000 claims description 20
- 238000001514 detection method Methods 0.000 abstract description 10
- 230000005415 magnetization Effects 0.000 description 11
- 230000002950 deficient Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 238000012360 testing method Methods 0.000 description 5
- 208000037656 Respiratory Sounds Diseases 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 230000002964 excitative effect Effects 0.000 description 3
- 238000009659 non-destructive testing Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000006249 magnetic particle Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model relates to a noncontact type magnetic powder flaw detecting device using a three dimensional tridimensional rotating field, characterized in that four groups of annular coils are arranged between the outer surface of channel of the inner cavity and the inner surface of the housing, wherein, an L01 coil and an L02 coil are obliquely placed by using a vertical plane, longitudinally intercrossed at the angle of 50 to 70 DEG, and transversely intercrossed at the angle of 110 to 130 DEG, an L03 coil and an L04 coil are obliquely placed by a plane, longitudinally intercrossed at the angle of 50 to 70 DEG, and transversely intercrossed at the angle of 110 to 130 DEG. The noncontact type magnetic powder flaw detecting device has simple structure, convenient operation, rapid speed, and high efficiency, can greatly reduce the labor intensity has no damage on the workpieces. Different channels can be designed, so that the noncontact type magnetic powder flaw detecting device can detect the magnetic powder of various special parts and also can conveniently detect the magnetic powder of the shaft workpieces such as tubing and the like. Because the device adopts the three dimensional tridimensional rotating field, no blind angle and blind area appear, thus completely meeting the requirement of the nondestructive detection of the magnetic powder flaw detection.
Description
Technical field:
The utility model relates to a kind of magnetic powder inspection device of material Non-Destructive Testing, especially a kind of non-contact magnetic powder inspection device for three-dimensional rotating magnetic field.
Background technology:
Magnetic powder inspection is widely used in recent years as a kind of means that Non-Destructive Testing is carried out on ferrimagnet surface of the work and nearly surface commonly used.Ferromagnetic workpiece is placed externally-applied magnetic field, workpiece is by magnetic field magnetisation, the magnetic line of force forms certain trend on the surface and the nearly surface of test specimen, if there are crackle or defective in surface of the work and nearly surface, and when intersecting certain angle, then can cause the change of magnetic flux density with the magnetic line of force, the part magnetic line of force is twisted, form leakage flux in the middle of leaking into air, form magnetic pole at fault location.Magnetic (as magnetic flaw detection ink) with certain viscosity and magnetic conductivity, be sprayed at the surface of test specimen, after test specimen is magnetized, then the both sides magnetic pole of defective adsorbs magnetic, the accumulation of magnetic forms the magnetic trace, the outward appearance of magnetic trace demonstrate defective length, trend, etc. a series of contour images, thereby reach the purpose of defect detecting test.
The method of prior art magnetization workpiece is a lot, has axial current flow method, center conductive method, parallel current flow method, closed circuit yoke method etc. to set up Circumferential field, i.e. circumferential magnetization is in order to detect the longitudinal defect of workpiece.Twine method, yoke method etc. with coil method, cable and set up axial magnetic field, i.e. longitudinal magnetization is in order to detect the defective of test specimen circumferencial direction.Circumferential magnetization, longitudinal magnetization are carried out simultaneously and are intersected certain phase place, i.e. resultant magnetization forms rotating magnetic field, the surface of the simple workpiece of disposable comprehensive demonstration and the nearly surface crack and the defective of swing on workpiece.
Above-mentioned prior art is to the irregular part of complexity, and as steering knuckle, steel ball etc., still there is certain detection blind area in present detection means, or the structure too complex of magnetizable body, and exists sparking to iron the possibility of hindering workpiece; To the detection of long-axle workpieces such as tubing, bar, gas cylinder, while while Yi Bian must make that workpiece rotates, advances, sprays, magnetizes, observation and inspection, speed is slow, efficient is low.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of simple in structure, easy to operate, speed is fast, efficient is high, labour intensity is low, do not damage a kind of non-contact magnetic powder inspection device for three-dimensional rotating magnetic field of workpiece.
For achieving the above object, the technical scheme that the utility model adopted is: this device comprises electrical apparatus control system, sprinkling system, electrical equipment operating system, the input end of every group of coil, output terminal is allocated power connection into, it is characterized in that: at the outside surface of bore passages between the inner face of shell, is furnished with the L01 coil, the L02 coil, the L03 coil, four groups of annuluses of L04 coil, wherein: the L01 coil fits in the L02 coil annular distance, the L01 coil fits on the outside surface of bore passages by annular distance, these two groups of coils adopt the oblique placement of vertical plane, are vertically intersecting 50 °-70 ° mutually, are laterally intersecting 110 °-130 ° mutually; The L03 coil fits in the L04 coil annular distance, and these two groups of coils adopt the oblique placement in plane, is vertically intersecting 50 °-70 ° mutually, is laterally intersecting 110 °-130 ° mutually; L01 coil, L02 coil fit in L03 coil, the L04 coil annular distance.
Described a kind of non-contact magnetic powder inspection device for three-dimensional rotating magnetic field is characterized in that: the shape of four groups of annuluses is all one of square, circular, ellipse or prismatic.
Described a kind of non-contact magnetic powder inspection device for three-dimensional rotating magnetic field is characterized in that: the shape of cross section of bore passages is one of square, circular, oval, prismatic.
Described a kind of non-contact magnetic powder inspection device for three-dimensional rotating magnetic field is characterized in that: the shape of cross section of shell is one of square, circular, oval, prismatic.
The utility model beneficial effect compared with prior art:
This apparatus structure is simple, and is easy to operate, and speed is fast, and the efficient height has alleviated labour intensity widely, and do not damage workpiece.Can design different channel sizes, can also can carry out magnetic and detect, also can carry out magnetic to shaft-like workpieces such as tubing, bar, blanks easily simultaneously and detect the workpiece of different size to various irregular parts.Because this device is to adopt three-dimensional stereoscopic rotating magnetic field, therefore, no dead angle, blind area are satisfied the requirement of Non-Destructive Testing magnetic powder inspection fully, are producing, using enterprise to be easy to promote.
Description of drawings:
Fig. 1 is the loop construction synoptic diagram of this device;
Fig. 2 is for removing the front view behind bore passages, the shell among Fig. 3;
Fig. 3 is the left view of this device;
Fig. 4 is the vertical view of Fig. 2;
Fig. 5 is the vertical view of Fig. 3.
Among the figure:
1.L01 coil, 2.L02 coil, 3.L03 coil, 4.L04 coil, 5. bore passages, 6. shell, 7. power connection.
Embodiment:
Describe an embodiment of the present utility model in detail below in conjunction with accompanying drawing:
Shown in Fig. 1-5, this device comprises electrical apparatus control system, sprinkling system, electrical equipment operating system, the input end of every group of coil, output terminal are allocated power connection 7 into, at the outside surface of bore passages 5 between the inner face of shell 6, are furnished with L01 coil 1, L02 coil 2, L03 coil 3,4 four groups of annuluses of L04 coil, wherein: L01 coil 1 fits in L02 coil 2 annular distances, L01 coil 1 fits on the outside surface of bore passages 5 by annular distance, these two groups of coils adopt the oblique placement of vertical plane, are vertically intersecting 50 °-70 ° mutually, are laterally intersecting 110 °-130 ° mutually; L03 coil 3 fits in L04 coil 4 annular distances, and these two groups of coils adopt the oblique placement in plane, is vertically intersecting 50 °-70 ° mutually, is laterally intersecting 110 °-130 ° mutually; L01 coil 1, L02 coil 2 fit in L03 coil 3, L04 coil 4 annular distances, also can adopt L03 coil 3, L04 coil 4 are fitted over structure in L01 coil 1, L02 coil 2 annular distances, and its principle of work is constant, all in this device scope of disclosure.The input end of L01 coil 1 is allocated the A phase that connects three-phase supply behind the power connection 7 into, the output terminal of L01 coil 1 is allocated the B phase that connects three-phase supply behind the power connection 7 into, the input end of L02 coil 2 is allocated the B phase that connects three-phase supply behind the power connection 7 into, and the output terminal of L02 coil 2 is allocated the C phase that connects three-phase supply behind the power connection 7 into.After the energising, constitute the cross coil rotating magnetic field of X-Y plane; The input end of L03 coil 3 is allocated the A phase that connects three-phase supply behind the power connection 7 into, the output terminal of L03 coil 3 is allocated the B phase that connects three-phase supply behind the power connection 7 into, the input end of L04 coil 4 is allocated the B phase that connects three-phase supply behind the power connection 7 into, and the output terminal of L04 coil 4 is allocated the C phase that connects three-phase supply behind the power connection 7 into.After the energising, constitute the cross coil rotating magnetic field on X-Z plane.Four groups of cross coil while energized promptly constitute three-dimensional stereoscopic rotating magnetic field.
The shape of above-mentioned four groups of coils also can be all one of circle, ellipse or prismatic; The shape of cross section of bore passages 5 also can be one of circle, ellipse, prismatic; The shape of cross section of shell 6 also can be one of circle, ellipse, prismatic.All within this patent scope of disclosure.
The course of work:
According to the shape needs of detected workpiece, this device can adopt following three kinds of detection methods:
(1) the step-by-step movement magnetic detects:
With this device horizontal positioned, constitute the stereo rotating Vector Magnetic Field at X-Y plane and X-Z plane.Utilize chain or travelling belt that part is sent to this device center, carry out the magnetic flaw detection ink spray, the excitatory magnetization of two groups of cross coils of X-Y plane and X-Z plane is carried out in while or timesharing.Magnetization finishes, and part is sent to the observation and inspection station again, carries out the crackle and the defective on the surface and the nearly surface of observation and inspection part;
(2), well formula magnetic detects:
With the vertical placement of this device, constitute the stereo rotating Vector Magnetic Field on X-Z plane and Y-Z plane.Utilize boom hoisting that part is hung in this device center, carry out the magnetic flaw detection ink spray, the excitatory magnetization of the two groups of cross coils in X-Z plane and Y-Z plane is carried out in while or timesharing.Magnetization finishes, and part is hung out again, and carries out the crackle and the defective on the surface and the nearly surface of observation and inspection part;
(3), online continuous-flow type magnetic detects:
With this device horizontal positioned, constitute the stereo rotating Vector Magnetic Field at X-Y plane and X-Z plane.Utilize the V-type roller that shaft-like workpiece straight-line transmitting such as tubing, bar, blank are fed into this device, carry out magnetic flaw detection ink at this device portal place to spray continuously, carry out the excitatory magnetization of two groups of cross coils of X-Y plane and X-Z plane simultaneously continuously.In this device exit, carry out the crackle and the defective on the surface and the nearly surface of observation and inspection workpiece, to the workpiece bottom, available catoptron carries out observation and inspection.
When above-mentioned as employing MPI fluorescent magnetic particles detects, under black lamp, carry out observation and inspection.
Claims (4)
1. non-contact magnetic powder inspection device for three-dimensional rotating magnetic field, comprise electrical apparatus control system, sprinkling system, electrical equipment operating system, the input end of every group of coil, output terminal is allocated power connection (7) into, it is characterized in that: at the outside surface of bore passages (5) between the inner face of shell (6), is furnished with L01 coil (1), L02 coil (2), L03 coil (3), (4) four groups of annuluses of L04 coil, wherein: L01 coil (1) fits in L02 coil (2) annular distance, L01 coil (1) fits on the outside surface of bore passages (5) by annular distance, these two groups of coils adopt the oblique placement of vertical plane, vertically intersect 50 °-70 ° mutually, laterally intersecting 110 °-130 ° mutually; L03 coil (3) fits in L04 coil (4) annular distance, and these two groups of coils adopt the oblique placement in plane, is vertically intersecting 50 °-70 ° mutually, is laterally intersecting 110 °-130 ° mutually; L01 coil (1), L02 coil (2) fit in L03 coil (3), L04 coil (4) annular distance.
2. a kind of non-contact magnetic powder inspection device for three-dimensional rotating magnetic field according to claim 1 is characterized in that: the shape of four groups of annuluses is all one of square, circular, ellipse or prismatic.
3. a kind of non-contact magnetic powder inspection device for three-dimensional rotating magnetic field according to claim 1 is characterized in that: the shape of cross section of bore passages (5) is one of square, circular, oval, prismatic.
4. a kind of non-contact magnetic powder inspection device for three-dimensional rotating magnetic field according to claim 1 is characterized in that: the shape of cross section of shell (6) is one of square, circular, oval, prismatic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920255700XU CN201561957U (en) | 2009-11-22 | 2009-11-22 | Noncontact type magnetic powder flaw detecting device using three dimensional tridimensional rotating field |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920255700XU CN201561957U (en) | 2009-11-22 | 2009-11-22 | Noncontact type magnetic powder flaw detecting device using three dimensional tridimensional rotating field |
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| CN201561957U true CN201561957U (en) | 2010-08-25 |
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| CN200920255700XU Expired - Fee Related CN201561957U (en) | 2009-11-22 | 2009-11-22 | Noncontact type magnetic powder flaw detecting device using three dimensional tridimensional rotating field |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106990164A (en) * | 2017-03-29 | 2017-07-28 | 四川大学 | A kind of steel pipe longitudinal defect magnetic leakage crack detection device based on rotary magnetization |
| RU2648011C1 (en) * | 2014-06-12 | 2018-03-21 | Хеллинг Гмбх | Device for non-destructive testing metal parts |
| CN110849961A (en) * | 2019-12-17 | 2020-02-28 | 南京高速齿轮制造有限公司 | Magnetic field compensation device |
-
2009
- 2009-11-22 CN CN200920255700XU patent/CN201561957U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2648011C1 (en) * | 2014-06-12 | 2018-03-21 | Хеллинг Гмбх | Device for non-destructive testing metal parts |
| CN106990164A (en) * | 2017-03-29 | 2017-07-28 | 四川大学 | A kind of steel pipe longitudinal defect magnetic leakage crack detection device based on rotary magnetization |
| CN110849961A (en) * | 2019-12-17 | 2020-02-28 | 南京高速齿轮制造有限公司 | Magnetic field compensation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NANJING BEIJIAO RAIL TRANSIT NEW MATERIAL TECHNOLO Free format text: FORMER OWNER: WANG FENG Effective date: 20141217 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 224300 YANCHENG, JIANGSU PROVINCE TO: 211135 NANJING, JIANGSU PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20141217 Address after: Kylin Industrial Park in Jiangning District of Nanjing City, Jiangsu province 211135 Days Road, No. 5 Patentee after: Track traffic new material Science and Technology Ltd. is handed in north, Nanjing Address before: 224300, Jiangsu County, Nanyuan province Sheyang District 5 503 room Patentee before: Wang Feng |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100825 Termination date: 20151122 |
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| EXPY | Termination of patent right or utility model |