CN202471937U - Material magnetism detection device - Google Patents
Material magnetism detection device Download PDFInfo
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- CN202471937U CN202471937U CN2012200515019U CN201220051501U CN202471937U CN 202471937 U CN202471937 U CN 202471937U CN 2012200515019 U CN2012200515019 U CN 2012200515019U CN 201220051501 U CN201220051501 U CN 201220051501U CN 202471937 U CN202471937 U CN 202471937U
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- suspension wire
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Abstract
The utility model discloses a material magnetism detection device. The device comprises a main testing plate, a magnetic field source and a suspension wire, wherein a suspension wire positioning plate is fixed on the upper part of the main testing plate, and a horizontal positioning plate is fixed on the lower part of the main testing plate; a magnetic source limiting plate is fixed on the horizontal positioning plate; a magnetic field source is fixed on the magnetic source limiting plate through a mounting block; one end of the suspension wire is fixed on the suspension wire positioning plate, and the other end of the suspension wire is connected with a part to be tested; and due to the length of the suspension wire, the part to be tested and the magnetic field source are arranged in the same horizontal direction approximately. According to the material magnetism detection device, the part to be tested only needs to be hung on the suspension wire, a corresponding amplitude value is read out, and then whether the part influences the nuclear magnetic resonance imaging or not can be judged; and moreover, the material magnetism detection device is simple in structure, convenient to operate and convenient for wide popularization and application.
Description
Technical field
The utility model relates to a kind of material tests device, relates in particular to a kind of magnetism of material pick-up unit.
Background technology
With regard to magnetism of material, being divided into is five types: 1, paramagnetism, 2, diamagnetism, 3, antiferromagnetism, 4, ferromagnetism, 5, ferrimagnetism.To the evaluation method of magnetism of material, mainly be to measure its magnetization curve and demagnetizing curve at present, and temperature is to the influence of its curve etc.But the said method measuring process is complicated, and is not easy to large batch of parts on the production line are measured fast and effectively.
Adopt teslameter to carry out Magnetic Measurement to the material that has magnetic; But its measurement susceptibility to small-sized parts is low; And measure after can only magnetizing to ferromagnetism and ferrimagnetic material, can not effectively reflect in the characteristic under the high-intensity magnetic field other materials.Therefore; Be necessary the magnetism of material pick-up unit that provides new, whether the magnetic characteristic of pick test small-sized parts in enormous quantities satisfies the requirement of under specific magnetic fields, working to judge it fast; The influence that particularly nuclear magnetic resonance (MR) is formed images; And simple in structure, easy to operate, be convenient to extensively promote the use.
The utility model content
The utility model technical matters to be solved provides a kind of magnetism of material pick-up unit, the magnetic characteristic of pick test small-sized parts in enormous quantities fast, and simple in structure, easy to operate.
The utility model is to solve the problems of the technologies described above the technical scheme that adopts to provide a kind of magnetism of material pick-up unit; Comprise main drafting board, magnetic field sources and suspension wire, the top of said main drafting board is fixed with the suspension wire location-plate, and the bottom is fixed with the horizontal location plate; Be fixed with the magnetic source limiting plate on the said horizontal location plate; Said magnetic field sources is fixed on the magnetic source limiting plate through mounting blocks, and the upper horizontal of said magnetic field sources is provided with scale, and an end of said suspension wire is fixed on the suspension wire location-plate; The other end is used for linking to each other with part to be measured, and the length of said suspension wire makes part to be measured and magnetic field sources roughly in same horizontal direction setting.
Above-mentioned magnetism of material pick-up unit, wherein, the quantity of said mounting blocks is two, is arranged at the both sides up and down of magnetic source.
Above-mentioned magnetism of material pick-up unit, wherein, said suspension wire is the soft non magnetic fine rule of lightweight, the one of which end passes the suspension wire hole in the suspension wire location-plate, and is fixed on the suspension wire location-plate through screw in compression.
Above-mentioned magnetism of material pick-up unit, wherein, said suspension wire location-plate is inserted on the main drafting board through rectangular opening.
Above-mentioned magnetism of material pick-up unit, wherein, the upper horizontal of said magnetic field sources is provided with scale, and said scale is installed in the draw-in groove on the scale positioning strip, and said scale positioning strip is fixed on the main drafting board.
Above-mentioned magnetism of material pick-up unit, wherein, said main drafting board is provided with horizontal groove and vertical groove, and said suspension wire laterally arranges with vertical groove, and said scale and horizontal groove laterally arrange.
Above-mentioned magnetism of material pick-up unit, wherein, said main drafting board is vertically fixed on the base plate, and the back side of said main drafting board is provided with the right-angle triangle back up pad.
Above-mentioned magnetism of material pick-up unit, wherein, said magnetic field sources is a rubidium iron canopy magnetic patch with holes, its remanent magnetism is greater than 1.0T.
The utility model contrast prior art has following beneficial effect: the magnetism of material pick-up unit that the utility model provides, through suspension wire and magnetic field sources are set, demarcate the rocking tendency of standard model earlier; Only need then part to be measured is hung on the suspension wire; Read its corresponding range value, just can judge that it has or not influence to Magnetic resonance imaging, simple in structure; Easy to operate, be convenient to extensively promote the use.
Description of drawings
Fig. 1 is the utility model magnetic material detector device structural representation;
Fig. 2 is the back structures synoptic diagram of magnetic material detector device among Fig. 1.
Among the figure:
1 main drafting board 2 horizontal location plates 3 limiting plates
4 mounting blocks, 5 magnetic field sources, 6 suspension wires
7 scale positioning strips, 8 scales, 9 suspension wire location-plates
10,11,12 screws, 13 horizontal groove 14 vertical grooves
15 part 16 base plates 17 back up pads to be measured
18 first rectangular channels, 19 second rectangular channels
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is done further to describe.
Fig. 1 is the utility model magnetic material detector device structural representation; Fig. 2 is the back structures synoptic diagram of magnetic material detector device among Fig. 1.
See also Fig. 1; The magnetism of material checkout gear that the utility model provides comprises main drafting board 1; Magnetic Field Source 5 and suspension wire 6; What Magnetic Field Source 5 adopted is the rubidium iron canopy annulus with holes or the cylindrical magnetic patch of a standard brand; Its remanent magnetism is greater than 1.0T(tesla); Main drafting board 1 has constituted the skeleton that whole detection trial assembly is put; And basic support is provided for miscellaneous part; Its preferred vertical is fixed on the base plate 16; The back side of base plate 16 and main drafting board 1 is provided with right angled triangle gripper shoe 17; As shown in Figure 2; One right-angle side of gripper shoe 17 is fixed on the back side of main drafting board 1, and another right-angle side is fixed on the base plate 16, so that whole detection device is placed on the horizontal plane reposefully.The top of main drafting board 1 is fixed with suspension wire location-plate 9; The bottom is fixed with horizontal location plate 2; Be fixed with magnetic source limiting plate 3 on the horizontal location plate 2, magnetic field sources 5 is fixed on the magnetic source limiting plate 3 through mounting blocks 4, and the upper horizontal of magnetic field sources 5 is provided with scale 8; One end of suspension wire 6 is fixed on the suspension wire location-plate 9, and the other end links to each other with part 15 to be measured and is oppositely arranged with magnetic field sources 5.
Preferably, the quantity of mounting blocks 4 is two, over against the both sides up and down that are arranged on magnetic field sources 5, is connected through bolt between magnetic source mounting blocks 4 and the magnetic source limiting plate 3, and clamps magnetic field sources 5 wherein; Horizontal location plate 2 is provided with first rectangular channel 18 of vertical direction; Magnetic source mounting blocks 4 passes first rectangular channel 18 through bolt and is fixed on the horizontal location plate 2, and magnetic source mounting blocks 4 can carry out the position adjustment on the vertical direction along first rectangular channel 18 when mounted.Main drafting board 1 is provided with second rectangular channel 19 of horizontal direction, and horizontal location plate 2 passes this second rectangular channel 19 through bolt and is fixed on the main drafting board 1, the adjustment that horizontal location plate 2 can carry out on the horizontal direction along second rectangular channel 19 when mounted.Scale positioning strip 7 is provided with draw-in groove, and scale 8 is installed in the draw-in groove, can carry out the adjustment of horizontal direction along draw-in groove during installation, and scale positioning strip 7 is inserted on the rectangular opening on the main drafting board 1, and fixing through the screw 10 at main drafting board 1 back side.Suspension wire 6 is preferably the soft non magnetic fine rule of lightweight, and does not have shrink tension and stretcher strain, and gravitate can stretch naturally under state of nature.It is loaded in the suspension wire hole in the suspension wire location-plate 9, and compresses through screw 12.Suspension wire location-plate 9 is inserted on the main drafting board 1 through rectangular opening, and carries out fastening through the screw 11 at main drafting board 1 back side.Preferably, main drafting board 1 is provided with horizontal groove 13 and vertical groove 14, during installation, suspension wire 6 and vertical groove 14 is laterally arranged, and scale 8 laterally arranges with horizontal groove 13.
When magnetic field sources 5 is fastened on the main drafting board 1 through above-mentioned parts after; Respectively through the position of suspension wire location-plate 9 with scale positioning strip 7 adjustment suspension wires 6 and scale 8; And make the central axis of magnetic field sources 5 and suspension wire 6 be in the same plane as far as possible; And the surface of scale 8 and this plane over against, and then when not influencing suspension wire 6 and freely swinging, guarantee reading accurately.
In addition, the magnetic block except magnetic field sources 5 employing standards in the utility model device is the permanent magnet, and other parts all adopt nonmagnetic plastic products.
The magnetism of material pick-up unit that the utility model provides adopts the high-intensity magnetic field piece of a standard brand as magnetic field sources; And the mode of small-sized parts through suspention placed the magnetic field of standard magnetic block; Variation through the suffered magnetic force of small-sized parts; Be converted into the rocking tendency of small-sized parts, and then reflect the magnetic characteristic of small-sized parts through the size of amplitude.The magnetic of material itself is exactly very complicated thing; Can only measure to commaterial; With the soft magnetic material is example, measures the relative permeability of part to be measured with magnetization curve, and puts it in the utility model device; Measure its rocking tendency (prerequisite is the height of suspension wire, the size of magnetic field sources, magnetic and fixed apart from the distance of suspension wire).Use the same method, measure the relative permeability of same specification parts (density, profile, the big class of material) and the relation of rocking tendency, and set up detailed database, can instruct later research and development of products and production.
After the magnetism of material pick-up unit installation adjustment that the utility model provides finishes, can carry out the quick test test to large batch of parts.Concrete method of testing step is following:
At first; Selected according to the mode of Theoretical Calculation, experimental measurement or on-the-spot approval to small-sized part-subassemble standard sample to the influence of MR imaging nothing; As the small-sized parts (less than 0.1KG) of a certain material behavior are put into MRI (Magnetic resonance imaging) equipment, and test its imaging did not influence to MR.
Then, should be suspended on the suspension wire 6 by small-sized parts sample, measure its amplitude of fluctuation; And this rocking tendency L under the record, through continuous practical experience in the scene, finding not to influence imaging in this MR equipment; And can in the device that the utility model provides, produce maximum rocking tendency; And its record for Lm, and make the maximum rocking tendency value L ' m that is allowed in its continuous approximation theory, Lm obtains through continuous practical experience.
At last, the part 15 small-sized to be measured of same specification is suspended on the suspension wire 6 measures rocking tendency, judge the magnetic relation between part to be measured and the standard model, if rocking tendency is less than Lm then judge that this part does not influence the normal imaging of nuclear magnetic resonance.
Because the rocking tendency of part 15 to be measured in the utility model pick-up unit mainly receives the influence of suspension wire 6, magnetic field sources 5 and relative position; Suspension wire is longer, magnet is bigger, magnetic is stronger, near more, part to be measured waves more responsive magnet from the suspension wire center line distance, and producible amplitude is big more; It is insensitive more that otherwise part 15 to be measured waves; Producible amplitude is more little, and the responsive difference that part 15 promptly to be measured itself produces magnet is in order to adapt to the more material of wide region; Suspension wire 6 length that the utility model is installed can be carried out tentatively selected at the beginning of design; And the standard magnetic block of different sizes can be installed, can adjust the vertically distance of groove 14 of magnetic block distance, and then satisfy the test request of more magnetic materials.
In addition, because the uncertainty of part 15 to be measured even small-sized parts also can absorb a part of magnetic energy of magnetic field sources 5, therefore need be carried out regular detection to magnetic field sources 5 with teslameter, and then carry out the magnetic field sources 5 that new numerical value is demarcated or more renewed.
In sum, the utility model only needs part 15 to be measured is hung on the suspension wire 6 through demarcating the maximum rocking tendency Lm of small-sized parts sample earlier then, reads its corresponding range value, just can judge whether it satisfies the requirement of under specific magnetic fields, working.For small-sized parts in enormous quantities (like standard components such as various specification screw, nut, pads); This method is more conducive to quick pick test than its magnetization curve of traditional measurement; Improve on-the-spot checkability greatly; And testing apparatus is simple, and checkout equipment is with low cost, is convenient to extensively promote the use.
Though the utility model discloses as above with preferred embodiment; Right its is not in order to limit the utility model; Any those skilled in the art; In spirit that does not break away from the utility model and scope, when can doing a little modification and perfect, so the protection domain of the utility model is when being as the criterion with what claims defined.
Claims (8)
1. magnetism of material pick-up unit; It is characterized in that comprise main drafting board (1), magnetic field sources (5) and suspension wire (6), the top of said main drafting board (1) is fixed with suspension wire location-plate (9); The bottom is fixed with horizontal location plate (2); Be fixed with magnetic source limiting plate (3) on the said horizontal location plate (2), said magnetic field sources (5) is fixed on the magnetic source limiting plate (3) through mounting blocks (4), and an end of said suspension wire (6) is fixed on the suspension wire location-plate (9); The other end is used for linking to each other with part to be measured (15), and the length of said suspension wire makes part to be measured (15) and magnetic field sources (5) roughly in same horizontal direction setting.
2. magnetism of material pick-up unit as claimed in claim 1 is characterized in that, the quantity of said mounting blocks (4) is two, is arranged at the both sides up and down of magnetic field sources (5).
3. magnetism of material pick-up unit as claimed in claim 1 is characterized in that, said suspension wire (6) is the soft non magnetic fine rule of lightweight, and the one of which end passes the suspension wire hole in the suspension wire location-plate (9), and is fixed on the suspension wire location-plate (9) through screw in compression.
4. magnetism of material pick-up unit as claimed in claim 3 is characterized in that, said suspension wire location-plate (9) is inserted on the main drafting board (1) through rectangular opening.
5. magnetism of material pick-up unit as claimed in claim 1; It is characterized in that; The upper horizontal of said magnetic field sources (5) is provided with scale (8), and said scale (8) is installed in the draw-in groove on the scale positioning strip (7), and said scale positioning strip (7) is fixed on the main drafting board (1).
6. magnetism of material pick-up unit as claimed in claim 1; It is characterized in that; Said main drafting board (1) is provided with horizontal groove (13) and vertical groove (14), and said suspension wire (6) laterally arranges with vertical groove (14), and said scale (8) laterally arranges with horizontal groove (13).
7. magnetism of material pick-up unit as claimed in claim 1 is characterized in that, said main drafting board (1) is vertically fixed on the base plate (16), and the back side of said main drafting board (1) is provided with right-angle triangle back up pad (17).
8. like each described magnetism of material pick-up unit of claim 1～7, it is characterized in that said magnetic field sources (5) is a rubidium iron canopy magnetic patch with holes, its remanent magnetism is greater than 1.0T.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200515019U CN202471937U (en) | 2012-02-17 | 2012-02-17 | Material magnetism detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200515019U CN202471937U (en) | 2012-02-17 | 2012-02-17 | Material magnetism detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202471937U true CN202471937U (en) | 2012-10-03 |
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ID=46920089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200515019U Expired - Fee Related CN202471937U (en) | 2012-02-17 | 2012-02-17 | Material magnetism detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202471937U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103257326A (en) * | 2012-02-17 | 2013-08-21 | 上海联影医疗科技有限公司 | Material magnetism detection device and test method thereof |
-
2012
- 2012-02-17 CN CN2012200515019U patent/CN202471937U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103257326A (en) * | 2012-02-17 | 2013-08-21 | 上海联影医疗科技有限公司 | Material magnetism detection device and test method thereof |
| CN103257326B (en) * | 2012-02-17 | 2016-01-20 | 上海联影医疗科技有限公司 | A kind of magnetism of material pick-up unit and method of testing thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20140217 |