CN214845723U - Magnetic adsorption force detection device - Google Patents
Magnetic adsorption force detection device Download PDFInfo
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- CN214845723U CN214845723U CN202121459051.2U CN202121459051U CN214845723U CN 214845723 U CN214845723 U CN 214845723U CN 202121459051 U CN202121459051 U CN 202121459051U CN 214845723 U CN214845723 U CN 214845723U
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Abstract
The utility model relates to a magnetism adsorption affinity detection device. The utility model provides a magnetism power of adsorption detection device, its characterized in that includes the casing, the casing top is supported and is fixed with first board of placing, first board below of placing is equipped with the second and places the board, first board and the second of placing is placed the equal level setting of board, casing department is equipped with the detection module who is used for detecting the atress size, detection module has force sensor and is used for touching force sensor and bear the force piece of moment, the second is placed the board and is supported and be fixed in force piece top, first board of placing has the first standing groove that is used for the fixed first magnet in location, the second is placed the board and is had the second standing groove that is used for the fixed second magnet in location, first standing groove is located directly over the second standing groove, the second standing groove is located directly over the force piece. The utility model has the advantages of with low costs, easy to maintain, the test accuracy is high.
Description
Technical Field
The utility model relates to a magnetism adsorption affinity detection device.
Background
In the prior art, the evaluation test of magnetic adsorption force has two modes: firstly, a gauss meter is used for testing to obtain a surface magnetic field value, and then the magnetic adsorption force is calculated according to the surface magnetic field value; secondly, testing is carried out by utilizing a platform supported by a precise screw rod and a device of a stress sensor, for example, the scheme disclosed by the authorization notice number CN203101608U is adopted for detection.
The error of the method for calculating the magnetic adsorption force according to the surface magnetic field is large, and the accuracy is low; the device with the platform supported by the precise screw and the stress sensor is adopted for testing, so that the cost is higher, the structure is complex, and the maintenance is inconvenient.
Disclosure of Invention
The utility model aims at providing a magnetic adsorption power detection device with low costs, easy to maintain, the test accuracy is high.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a magnetism power of adsorption detection device, includes the casing, the casing top is supported and is fixed with first board of placing, first board below of placing is equipped with the second and places the board, first board and the second of placing is placed the equal level setting of board, casing department is equipped with the detection module who is used for detecting the atress size, detection module has force sensor and is used for touching force sensor and bear the force piece of moment, the second is placed the board and is supported and be fixed in force piece top, first board of placing has the first standing groove that is used for the fixed first magnet in location, the second is placed the board and is had the second standing groove that is used for the fixed second magnet in location, first standing groove is located directly over the second standing groove, the second standing groove is located directly over the force piece.
The utility model discloses the device is used for the magnetism adsorption affinity of single magnet to examine time measuring, and the second magnet is standard magnet, and first magnet is for needing to carry out treating that the magnetic adsorption affinity value detectedThe magnet is detected. The utility model discloses during the device uses, place second magnet (being standard magnet) on the board is placed to the second earlier, because the second magnet has certain quality, detection module's load spare can move down and transmit the moment that bears for force sensor, can learn a quality numerical value m through force sensorFront sideAnd then the first magnet (i.e. the magnet to be detected) is placed on the first placing plate, because the first magnet and the second magnet both have magnetic attraction, when the first magnet and the second magnet attract each other, under the condition that the second magnet and the second placing plate are fixed, the first magnet (i.e. the magnet to be detected) can drive the first placing plate to move upwards due to the magnetic attraction, so that a mass value m can be obtained again through the force sensorRear endFinally, the magnetic attraction force between the first magnet and the second magnet is obtained, FSuction device＝(mRear end-mFront side) G, wherein g is the gravity coefficient.
The utility model discloses when the device is used for the magnetic adsorption power of a set of magnet to detect, a set of magnet is first magnet and second magnet respectively, when carrying out the magnetic adsorption power of a set of magnet that magnetism is the same promptly and detecting, adopt above-mentioned method, can obtain magnetic adsorption power F between the two of first magnet and second magnetSuction device＝(mRear end-mFront side)·g。
The utility model discloses simple structure, with low costs, easy to maintain, the test accuracy is high. The standard magnet is a magnet with known magnetic adsorption force, or a magnet which is fixed and cannot be replaced when a batch of magnets to be detected are carried out. The utility model discloses during the use, need guarantee that first place the board and place the parallel of board with the second, need to guarantee the parallel between first magnet and second magnet promptly, can carry out the first horizontal parallel of placing the board and placing the board with the second through the spirit level earlier and confirm before the detection. The detection module can be formed by reforming an electronic scale on the market; when the utility model is used, the function of peeling or the function of weight deduction of the electronic scale can be realizedFront sideIs shown as 0, so as to obtain mFront sideAnd mRear endThe difference of (a). Wherein, for guaranteeing that magnetism adsorption affinity detects accurately, the utility model discloses close on first magnet and second magnetThe parts are made of non-magnetic materials, such as light plastics. Wherein, first standing groove is located directly over the second standing groove, and first magnet center department is located directly over the second magnet center department promptly to make the magnetic attraction effect between first magnet and second magnet better.
Preferably, the housing has a first extending portion extending upward, the first placing plate has a second extending portion extending downward, the first extending portion is located at a side of the second extending portion, and an adjusting structure for adjusting a distance between the first placing plate and the housing is provided between the first extending portion and the second extending portion. Wherein, can carry out the regulation of first placing the inter-plate position with the second through adjusting the structure according to the distance between first magnet and the second magnet when in actual use to the magnetic attraction that makes between first magnet and the second magnet that record more accords with the in-service use occasion.
Preferably, the adjusting structure comprises a fixing hole for positioning the first fastening piece and a strip-shaped groove for the first fastening piece to pass through, one of the two structures of the fixing hole and the strip-shaped groove is arranged on the first extending portion, and the other structure of the two structures of the fixing hole and the strip-shaped groove is arranged on the second extending portion. Wherein the first fastening member may be a bolt, and the fixing hole may be a screw hole. The first extending part and the second extending part can be pressed in a lateral pressing mode, and therefore the fixing between the first placing plate and the shell is maintained.
Preferably, the second extending portions are disposed on two opposite sides of the first placing plate, and the first extending portions are disposed on two opposite sides of the housing. Above-mentioned setting is so that first board supporting effect of placing is more even.
Preferably, the second placement groove is open downward, and the first placement groove is open upward. Wherein, the second placing groove is opened towards the side far away from the first placing plate, and the first placing groove is opened towards the side far away from the second placing plate, so as to avoid the first magnet and the second magnet from contacting and attracting together.
Preferably, the second placing groove penetrates through the second placing plate from top to bottom, the first placing groove penetrates through the first placing plate from top to bottom, and the first placing groove and the second placing groove are both stepped grooves with one small end and one large end. Wherein, first standing groove and second standing groove are the through groove that runs through from top to bottom to there is not any to block between first magnet and the second magnet, so that magnetic attraction detects more accurately. The first magnet may be directly clamped or fixed in the first placement groove of the first placement plate by other placement, or the first magnet may be fixed on the sample plate, and then the sample plate is fixed in the first placement groove.
Preferably, the second mounting plate further includes a fitting hole communicating with the second mounting groove, the fitting hole extending laterally through the second mounting plate and being fitted with a second fastening member for fixing the second magnet to the second mounting groove. The end of the second fastener is pressed against the first magnet, so that the positioning and fixing of the second magnet in the second placing groove are ensured. The second fastener can be made of non-magnetic materials such as plastics, and the second fastener and the matching hole can be tightly matched and can be in threaded matching.
Preferably, the detection module is matched with a digital display module, the digital display module comprises a display screen which is electrically connected with the stress sensor and is used for displaying the stress numerical value of the stress sensor, and the display screen is fixed on the shell. Through adopting digital display module to the measurement personnel carry out reading of numerical value, so that the detection of magnetic attraction power size.
Preferably, a positioning protrusion is formed on the upper end surface of the housing, a positioning plate is further fixed on the upper end surface of the housing, a rear side wall of the positioning plate is in contact with a front end surface of the positioning protrusion, and a side wall of the first extension part is in contact with a side end surface of the positioning protrusion; the positioning plate is fixed with the first extending part. The positioning protrusion is used for positioning to ensure the position determination of the first extension part, and the positioning plate also has the effect of supporting and reinforcing.
Preferably, the second placing plate is fixed above the force bearing part through a vertical plate, the force bearing part is provided with a positioning groove which is opened upwards and has the same cross section shape as that of the lower end of the vertical plate, and the lower end of the vertical plate is positioned in the positioning groove. Through setting up the constant head tank to guarantee that the location of riser is fixed.
The utility model has the advantages of with low costs, easy to maintain, the test accuracy is high.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is another schematic structural diagram of the present invention;
fig. 3 is a schematic structural view of a second placing plate of the present invention;
fig. 4 is a schematic structural view of the first placing plate and the second extending portion of the present invention;
fig. 5 is a schematic structural view of the present invention after the first placing plate and the second placing plate are removed.
Detailed Description
The invention will be further described with reference to the drawings and the specific embodiments.
By fig. 1 to 5 show, the utility model discloses a magnetism power of adsorption detection device, including casing 3, the casing top is supported and is fixed with first board 1 of placing, first board 1 below of placing is equipped with and first board 2 is placed to the second of placing 1 parallels of board, first board 1 of placing and the second board 2 average level setting of placing, 3 departments of casing are equipped with the detection module who is used for detecting the atress size, detection module has the force sensor who is located casing 3 and is used for touching force sensor and bearing force piece 4 of moment, the second is placed board 2 and is supported in bearing force piece 4 tops, and the second is placed board 2 and is linked with bearing force piece 4. The first placing plate 1, the second placing plate 2 and the force bearing piece 4 are all made of insulating plastic plates. Wherein, the force bearing part 4 is relatively positioned under the middle part of the first placing plate 1 and under the middle part of the first placing plate 2.
The first placing plate 1 has a first placing groove 13 opened upward for positioning and fixing the first magnet in the middle portion thereof, the second placing plate 2 has a second placing groove 22 opened downward for positioning and fixing the second magnet in the middle portion thereof, and the first placing groove 13 is located right above the second placing groove 14. The second placing groove 22 penetrates the second placing plate 2 from top to bottom, the first placing groove 13 penetrates the first placing plate 1 from top to bottom, the first placing groove 13 is a stepped groove with a large upper end and a small lower end, and the second placing groove 22 is a stepped groove with a small upper end and a large lower end. The second mounting plate 2 further has a fitting hole 23 communicating with the second mounting groove 22, and the fitting hole 23 penetrates the second mounting plate in a lateral direction and is fitted with a second fastening member for fixing the second magnet to the second mounting groove 22. Wherein the second fastening member is a bolt-like structure made of an insulating material, and the fitting hole 23 is formed with an internal thread structure.
Wherein, both ends all are equipped with downwardly extending in order to with the fixed riser 21 of load piece 4 about the second place board 2, and load piece 4 is equipped with the constant head tank 41 that upwards opening and cross sectional shape are the same with riser lower extreme cross sectional shape, and riser 21 lower extreme is located constant head tank 41.
As shown in fig. 2, 4 and 5, the left and right ends of the housing 3 are provided with first extending portions 31 extending upward, the left and right ends of the first placing plate 1 are provided with second extending portions 11 extending downward and located at the sides of the first extending portions 31, the second extending portions 11 are located outside the first extending portions 31, and an adjusting structure for adjusting the vertical distance between the first placing plate 1 and the housing 3 is provided between the first extending portions 31 and the second extending portions 11. The adjusting structure comprises a fixing hole 32 for positioning the first fastening piece and a strip-shaped groove 12 for the first fastening piece to pass through, the fixing hole is arranged on the first extending portion 31, and the strip-shaped groove is arranged on the second extending portion 11. Wherein, the fixing hole 32 is a threaded hole, and the first fastener is a bolt made of insulating plastics; when the first magnet and the second magnet have small volume and mass and small magnetic adsorption force, the first fastener can also adopt a bolt made of a metal material.
As shown in fig. 1, 2 and 5, the detection module is matched with a digital display module, the digital display module includes a display screen 33 electrically connected with the force sensor and used for displaying the force value of the force sensor, and the display screen 33 is fixed on the housing 3.
As shown in fig. 1 and 5, a positioning protrusion 34 is formed on an upper end surface of the housing 3, a positioning plate 35 is further fixed on the upper end surface of the housing 34, a rear side wall of the positioning plate 35 contacts with a front end surface of the positioning protrusion 34, a side wall of the first extending portion 31 contacts with a side end surface of the positioning protrusion 34, and the positioning plate 35 is perpendicular to and fixed to the first extending portion 31.
This embodiment reforms transform conventional electronic scale, and digital display module and detection module are the structure that electronic scale itself has. This embodiment need not reform transform the electronic scale inside, and it is more convenient to reform transform.
The utility model has the advantages of with low costs, easy to maintain, the test accuracy is high.
Claims (10)
1. The utility model provides a magnetism power of adsorption detection device, its characterized in that includes the casing, the casing top is supported and is fixed with first board of placing, first board below of placing is equipped with the second and places the board, first board and the second of placing is placed the equal level setting of board, casing department is equipped with the detection module who is used for detecting the atress size, detection module has force sensor and is used for touching force sensor and bear the force piece of moment, the second is placed the board and is supported and be fixed in force piece top, first board of placing has the first standing groove that is used for the fixed first magnet in location, the second is placed the board and is had the second standing groove that is used for the fixed second magnet in location, first standing groove is located directly over the second standing groove, the second standing groove is located directly over the force piece.
2. The magnetic attraction force detection device according to claim 1, wherein the housing has a first extending portion extending upward, the first placement plate has a second extending portion extending downward, the first extending portion is located on a side of the second extending portion, and an adjustment structure for adjusting a distance between the first placement plate and the housing is provided between the first extending portion and the second extending portion.
3. The magnetic attraction force detection device of claim 2, wherein the adjustment structure includes a fixing hole for positioning the first fastening member and a strip-shaped groove for the first fastening member to pass through, one of the two structures of the fixing hole and the strip-shaped groove is disposed on the first extension portion, and the other of the two structures of the fixing hole and the strip-shaped groove is disposed on the second extension portion.
4. The magnetic attraction force detection device according to claim 2, wherein the second extension portions are provided on both opposite sides of the first placement plate, and the first extension portions are provided on both opposite sides of the housing.
5. The magnetic attraction force detection device according to claim 1, wherein the second placement groove is open downward, and the first placement groove is open upward.
6. The magnetic attraction force detection device according to claim 1, wherein the second placement groove vertically penetrates the second placement plate, the first placement groove vertically penetrates the first placement plate, and both the first placement groove and the second placement groove are stepped grooves having a small end and a large end.
7. The magnetic attraction force detection device according to claim 1, wherein the second placement plate further has a fitting hole communicating with the second placement groove, the fitting hole extending laterally through the second placement plate and fitted with a second fastening member for fixing the second magnet to the second placement groove.
8. The magnetic adsorption force detection device of claim 1, wherein the detection module is collocated with a digital display module, the digital display module comprises a display screen electrically connected with the force sensor and used for displaying the force value of the force sensor, and the display screen is fixed on the shell.
9. The magnetic attraction force detection device according to claim 2, wherein a positioning protrusion is formed on the upper end surface of the housing, a positioning plate is further fixed on the upper end surface of the housing, a rear side wall of the positioning plate is in contact with a front end surface of the positioning protrusion, and a side wall of the first extension portion is in contact with a side end surface of the positioning protrusion; the positioning plate is fixed with the first extending part.
10. The magnetic attraction force detection device according to claim 1, wherein the second placement plate is fixed above the force-bearing member by a vertical plate, the force-bearing member has a positioning groove that opens upward and has a cross-sectional shape that is the same as a cross-sectional shape of a lower end of the vertical plate, and a lower end of the vertical plate is located in the positioning groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121459051.2U CN214845723U (en) | 2021-06-29 | 2021-06-29 | Magnetic adsorption force detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121459051.2U CN214845723U (en) | 2021-06-29 | 2021-06-29 | Magnetic adsorption force detection device |
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| Publication Number | Publication Date |
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| CN214845723U true CN214845723U (en) | 2021-11-23 |
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| CN202121459051.2U Active CN214845723U (en) | 2021-06-29 | 2021-06-29 | Magnetic adsorption force detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113534024A (en) * | 2021-06-29 | 2021-10-22 | 浙江英洛华引力科技有限公司 | Magnetic force detection device for magnet |
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2021
- 2021-06-29 CN CN202121459051.2U patent/CN214845723U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113534024A (en) * | 2021-06-29 | 2021-10-22 | 浙江英洛华引力科技有限公司 | Magnetic force detection device for magnet |
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