CN114966491B - Measuring platform for magnetic field of nutation magnetic gear - Google Patents
Measuring platform for magnetic field of nutation magnetic gear Download PDFInfo
- Publication number
- CN114966491B CN114966491B CN202210565798.9A CN202210565798A CN114966491B CN 114966491 B CN114966491 B CN 114966491B CN 202210565798 A CN202210565798 A CN 202210565798A CN 114966491 B CN114966491 B CN 114966491B
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- protractor
- magnetic field
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- gear
- ring sleeve
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- 238000001514 detection method Methods 0.000 claims abstract description 21
- 238000005259 measurement Methods 0.000 claims abstract description 20
- 244000309464 bull Species 0.000 claims abstract description 10
- 230000033001 locomotion Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 239000000523 sample Substances 0.000 claims description 5
- 230000005389 magnetism Effects 0.000 claims description 4
- 238000010146 3D printing Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000005355 Hall effect Effects 0.000 description 1
- 101000579646 Penaeus vannamei Penaeidin-1 Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The invention relates to a measuring platform of a nutation magnetic gear magnetic field, which comprises a detecting pen, an adjusting frame, a loop and a protractor which are connected in sequence; the ring sleeve and the protractor are coaxially arranged, the protractor is arranged on the lower end surface of the ring sleeve, the upper end of the ring sleeve is provided with an annular chute, and a sliding block is arranged in the annular chute; the adjusting frame is the lower extreme and is connected with the slider, and the upper end is provided with the horizontal hole that radially sets up along the ring cover, and the horizontal spout interpolation is equipped with the slide bar, and the slide bar outer end articulates there is the bull stick, has offered the perforation this measurement platform simple structure that is used for installing the detection pen on the bull stick, and the equipment is simple and convenient, and the suitability is higher, can be when measuring nutation magnetic gear magnetic field size, measures the angle that the rotation gear was turned over, and the position of detection pen can carry out sliding adjustment, also can adjust with the angular relation of cantilever beam.
Description
Technical Field
The invention relates to the field of magnetic field measurement, in particular to a measuring platform for a magnetic field of a nutating magnetic gear.
Background
Magnetic materials typically possess physical quantities of magnetic flux, magnetic flux density, magnetic field strength, etc., which are measured in many studies and can generally be used as a measure of the magnetic properties of a magnet. Depending on the nature of the magnetic field, it can be generally divided into constant magnetic field measurements and varying magnetic field measurements. For the measurement of a constant magnetic field, there are many common measuring tools, such as a moment magnetometer, a hall effect magnetometer, a magnetometer, and the like. For measurement of alternating magnetic fields, the measurement is generally performed by converting magnetism into electricity using electromagnetic induction effect. Magnetic field measuring instruments and platforms are now common in the market, and the sensing part can be generally divided into one dimension, two dimensions and three dimensions, and can measure magnetic fields in three different directions at most. Simpler hand-held gauss meters require manual movement and maintenance of the measurement position. The complex three-dimensional space magnetic field measurement platform comprises a transmission system, a guide system, a driving system, a digital display displacement measurement system and corresponding supporting components, and the bottom platform is further provided with threaded holes and can be fixed. However, due to the characteristics of the nutating magnetic gear, the fixed gear and the rotating gear are not coaxially parallel, and the common nutating angle is 4 degrees and 5 degrees, so that the detecting pen and the cantilever rod member are required to be in a non-vertical relationship, the existing magnetic field measuring platform cannot change the angle relationship simply and conveniently in real time according to different nutating angles of the nutating magnetic gear to be measured, the design structure is too complex, and the flexibility is poor during measurement.
Disclosure of Invention
The invention aims at overcoming the defects, and provides a measuring platform for the magnetic field of a nutating magnetic gear.
The technical problem is solved by adopting the scheme that the measuring platform for the magnetic field of the nutation magnetic gear comprises a detecting pen, an adjusting frame, a loop and a protractor which are connected in sequence;
the ring sleeve and the protractor are coaxially arranged, the protractor is arranged on the lower end surface of the ring sleeve, the upper end of the ring sleeve is provided with an annular chute, and a sliding block is arranged in the annular chute;
The adjustable shelf is that the lower extreme is connected with the slider, and the upper end is provided with the horizontal hole that radially sets up along the ring cover, and the horizontal spout interpolation is equipped with the slide bar, and the slide bar outer end articulates there is the bull stick, has seted up the perforation that is used for installing the detection pen on the bull stick.
Further, a bar groove is formed in the sliding rod, a connecting groove for accommodating the end part of the sliding rod is formed in the inner end of the sliding rod, first adjusting through holes are correspondingly formed in two sides of the connecting groove, and the sliding rod is connected with the sliding rod through bolts A penetrating through the first adjusting through holes and the bar groove; the two sides of the horizontal sliding hole are correspondingly provided with second adjusting through holes, and the adjusting frame is connected with the sliding rod through bolts B penetrating through the second adjusting through holes and the strip grooves.
Further, the adjusting frame is L-shaped, the horizontal sliding hole is formed in the horizontal portion of the adjusting frame, the horizontal portion is radially arranged along the annular sleeve, the lower end of the vertical portion of the adjusting frame is provided with a connecting lug, and the connecting lug is locked on the sliding block through the bolt C.
Further, the horizontal part and the vertical part of the adjusting frame are connected through a reinforcing inclined rod.
Further, the perforation sets up in the bull stick outer end, and bull stick week side is provided with the radial screw of intercommunication perforation, installs the locking nail that is used for locking the probe pen in the radial screw.
Furthermore, the protractor is annular, and two otic placode parts are symmetrically arranged on the periphery of the protractor, and strip holes are formed in the otic placode parts.
Furthermore, the round protractor is sleeved on the periphery of the lower end of the ring sleeve, the inner ring of the round protractor is tightly matched with the outer ring of the ring sleeve, and the round protractor is fixedly arranged on the working platform.
A method of measuring a nutating magnetic gear comprising the steps of:
S1, placing a nutation magnetic gear to be detected in the middle part of the inner part of a ring sleeve, and adjusting the initial position of a sliding block, the position of a sliding rod and the angle of a rotating rod;
S2, connecting and fixing the detection pen with the rotating rod, and adjusting the axial height of the detection pen through the rotating rod to enable the sensing part of the detection pen to be just positioned in a gap between gears to be detected; after the gear starts to move, the sliding block slides to ensure that the position of the detection pen moves along with the gap change caused by the movement of the gear;
And S3, when the magnetism is measured, the measurement result of the magnetic field is observed and read by a detection pen, and the change angle of the sliding block is read by a circular protractor, so that the rotating angle of the nutating magnetic gear is determined.
Compared with the prior art, the invention has the following beneficial effects: the structure is simple, the assembly is simple and convenient, the applicability is high, the rotating angle of the rotating gear can be measured while the magnetic field of the nutating magnetic gear is measured, the position of the detecting pen can be slidably adjusted, and the angle relation between the detecting pen and the cantilever beam can be adjusted.
Drawings
The patent of the invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic exploded view of a measuring platform.
Fig. 2 is a top view of the structure of the measuring platform.
Fig. 3 is a front view of the measuring platform (working platform not shown).
In the figure: 1. a probe pen; 2. a rotating rod; 3. locking nails; 4. a bolt A; 5. a slide bar; 6. an adjusting frame; 7. a nut; 8. a bolt C; 9. a slide block; 10. a ring sleeve; 11. an angle gauge.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
1-3, A measuring platform for the magnetic field of a nutating magnetic gear comprises a detecting pen 1, an adjusting frame 6, a ring sleeve 10 and a protractor 11 which are connected in sequence;
the ring sleeve and the protractor are coaxially arranged, the protractor is arranged on the lower end surface of the ring sleeve, the upper end of the ring sleeve is provided with an annular chute, a sliding block 9 is arranged in the annular chute, and the sliding block can perform circular motion in the annular chute so as to rotate along with the change of the gap between a rotating gear of the nutating magnetic gear to be measured and a fixed gear;
The lower end of the adjusting frame is connected with the sliding block, the upper end of the adjusting frame is provided with a horizontal hole which is arranged along the radial direction of the annular sleeve, a sliding rod 5 is inserted in the horizontal sliding groove, the outer end of the sliding rod is hinged with a rotating rod 2, a through hole for installing a detection pen is formed in the rotating rod, the position of the sliding rod can be ensured through the sliding control of the sliding rod, and therefore the radial position of the detection pen is controlled;
The middle part in the ring sleeve is used for placing a nutation magnetic gear or a reduction gearbox consisting of the nutation magnetic gear to be measured, and the position, the size and the angle of a gap between the rotating gear and the fixed gear can be changed along with the rotation and the swinging movement of the gears; the axial height of the sensing pen can be adjusted up and down by rotating the sliding block and the adjusting frame, moving the sliding rod in parallel, rotating the angle of the rotating rod, so that the sensing part is positioned in the gap of the magnetic gear to be measured, and the purpose of accurate measurement is achieved; meanwhile, the angle of the gear rotated in the motion process can be observed and recorded through the indication of the protractor.
In this embodiment, the slider and the adjusting frame may be printed using a 3D printing technique.
In the embodiment, a bar groove is formed in the sliding rod, a connecting groove for accommodating the end part of the sliding rod is formed in the inner end of the sliding rod, first adjusting through holes are correspondingly formed in two sides of the connecting groove, the sliding rod is connected with the sliding rod through a bolt A4 and a nut 7 penetrating through the first adjusting through holes and the bar groove, the horizontal angle of the sliding rod is changed by tightening the nut, and the nut is screwed down to fix the sliding rod after the required angle is adjusted; the two sides of the horizontal sliding hole are correspondingly provided with second adjusting through holes, the adjusting frame is connected with the sliding rod through bolts B and nuts penetrating through the second adjusting through holes and the strip grooves, and preferably, the first adjusting through holes and the first adjusting through holes are threaded holes.
In this embodiment, the regulating frame is L-shaped, and the horizontal sliding hole is seted up at the horizontal part of regulating frame, and the horizontal part radially sets up along the ring cover, and the vertical lower extreme of regulating frame is equipped with the engaging lug, and the engaging lug passes through bolt C8 lock solid on the slider.
In this embodiment, in order to improve the overall stability, the horizontal portion and the vertical portion of the adjusting frame are connected through a reinforcing diagonal rod.
In this embodiment, the perforation sets up in the bull stick outer end, and bull stick week side is provided with the radial screw of intercommunication perforation, installs the locking nail 3 that is used for locking the probe pen in the radial screw, can unscrew the locking nail to adjust the position of probe pen from top to bottom, make the sensing position can just be in the clearance of being surveyed the gear, guarantee the high relation of sensing position and being surveyed the magnetic gear.
In this embodiment, the protractor is annular, and two otic placode portions are symmetrically arranged on the periphery of the protractor, and the otic placode portions are provided with strip holes.
In this embodiment, circular protractor suit is in ring cover lower extreme periphery, and circular protractor's inner circle and ring cover's outer lane close fit can guarantee spacingly, and circular protractor, ring cover just all pass through bolt fixed mounting on work platform, and the equal specification bolt hole of reservation is in order to install circular protractor, ring cover on the work platform.
A method of measuring a nutating magnetic gear comprising the steps of:
S1, placing a nutation magnetic gear to be detected in the middle part of the inner part of a ring sleeve, and adjusting the initial position of a sliding block, the position of a sliding rod and the angle of a rotating rod;
S2, connecting and fixing the detection pen with the rotating rod, and adjusting the axial height of the detection pen through the rotating rod to enable the sensing part of the detection pen to be just positioned in a gap between gears to be detected; after the gear starts to move, the sliding block slides to ensure that the position of the detection pen moves along with the gap change caused by the movement of the gear;
And S3, when the magnetism is measured, the measurement result of the magnetic field is observed and read by a detection pen, and the change angle of the sliding block is read by a circular protractor, so that the rotating angle of the nutating magnetic gear is determined.
In this embodiment, the main part may be subjected to a production experiment by 3D printing, and the part has been printed in advance to obtain a suitable size of the matching relationship, taking into consideration the line width requirement and conditions of the material from the nozzle during 3D printing. On the design calculation of the bolt and the threaded hole, the diameters of the inner ring and the outer ring of the circular protractor, the widths of the horizontal sliding hole and the sliding rod of the adjusting frame and the widths of the annular sliding groove and the sliding block are designed to be reserved for the line width of 0.8-1mm in advance, so that the parts produced by the 3D printing technology can be properly matched, interference fit and other phenomena can not occur, and normal movement can be performed.
If this patent discloses or relates to components or structures that are fixedly connected to each other, then unless otherwise stated, the fixed connection is understood as: detachably fixed connection (e.g. using bolts or screws) can also be understood as: the non-detachable fixed connection (e.g. riveting, welding), of course, the mutual fixed connection may also be replaced by an integral structure (e.g. integrally formed using a casting process) (except for obviously being unable to use an integral forming process).
In the description of this patent, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate describing the patent, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the patent.
While the foregoing is directed to the preferred embodiment, other and further embodiments of the invention will be apparent to those skilled in the art from the following description, wherein the invention is described, by way of illustration and example only, and it is intended that the invention not be limited to the specific embodiments illustrated and described, but that the invention is to be limited to the specific embodiments illustrated and described.
Claims (6)
1. The utility model provides a measurement platform of nutation magnetic gear magnetic field which characterized in that: comprises a detecting pen, an adjusting frame, a ring sleeve and a protractor which are connected in sequence;
the ring sleeve and the protractor are coaxially arranged, the protractor is arranged on the lower end surface of the ring sleeve, the upper end of the ring sleeve is provided with an annular chute, and a sliding block is arranged in the annular chute;
the lower end of the adjusting frame is connected with the sliding block, the upper end of the adjusting frame is provided with a horizontal hole which is arranged along the radial direction of the annular sleeve, a sliding rod is inserted in the horizontal sliding groove, the outer end of the sliding rod is hinged with a rotating rod, and the rotating rod is provided with a through hole for installing a detection pen;
The sliding rod is provided with a strip groove, the inner end of the sliding rod is provided with a connecting groove for accommodating the end part of the sliding rod, the two sides of the connecting groove are correspondingly provided with first adjusting through holes, and the sliding rod is connected with the sliding rod through bolts A penetrating through the first adjusting through holes and the strip groove; the two sides of the horizontal sliding hole are correspondingly provided with second adjusting through holes, and the adjusting frame is connected with the sliding rod through bolts B penetrating through the second adjusting through holes and the strip grooves;
the adjusting frame is L-shaped, the horizontal sliding hole is formed in the horizontal portion of the adjusting frame, the horizontal portion is radially arranged along the annular sleeve, the connecting lugs are arranged at the lower end of the vertical portion of the adjusting frame, and the connecting lugs are locked on the sliding block through the bolts C.
2. A nutating magnetic gear magnetic field measurement platform as claimed in claim 1, wherein: the horizontal part and the vertical part of the adjusting frame are connected through a reinforced diagonal rod.
3. A nutating magnetic gear magnetic field measurement platform as claimed in claim 1, wherein: the perforation sets up in the bull stick outer end, and bull stick week side is provided with the radial screw of intercommunication perforation, installs the locking nail that is used for locking the probe pen in the radial screw.
4. A nutating magnetic gear magnetic field measurement platform as claimed in claim 1, wherein: the protractor is annular, and two otic placode portions are symmetrically arranged on the periphery of the protractor, and strip holes are formed in the otic placode portions.
5. A nutating magnetic gear magnetic field measurement platform according to claim 1 or 4, characterized in that: the protractor is sleeved on the periphery of the lower end of the ring sleeve, the inner ring of the round protractor is tightly matched with the outer ring of the ring sleeve, and the round protractor is fixedly arranged on the working platform.
6. A method for measuring a nutating magnetic gear using a measuring platform for a magnetic field of a nutating magnetic gear as claimed in any one of claims 2,3, 4, comprising the steps of:
S1, placing a nutation magnetic gear to be detected in the middle part of the inner part of a ring sleeve, and adjusting the initial position of a sliding block, the position of a sliding rod and the angle of a rotating rod;
S2, connecting and fixing the detection pen with the rotating rod, and adjusting the axial height of the detection pen through the rotating rod to enable the sensing part of the detection pen to be just positioned in a gap between gears to be detected; after the gear starts to move, the sliding block slides to ensure that the position of the detection pen moves along with the gap change caused by the movement of the gear;
And S3, when the magnetism is measured, the measurement result of the magnetic field is observed and read by a detection pen, and the change angle of the sliding block is read by a circular protractor, so that the rotating angle of the nutating magnetic gear is determined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210565798.9A CN114966491B (en) | 2022-05-24 | 2022-05-24 | Measuring platform for magnetic field of nutation magnetic gear |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210565798.9A CN114966491B (en) | 2022-05-24 | 2022-05-24 | Measuring platform for magnetic field of nutation magnetic gear |
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| Publication Number | Publication Date |
|---|---|
| CN114966491A CN114966491A (en) | 2022-08-30 |
| CN114966491B true CN114966491B (en) | 2024-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210565798.9A Active CN114966491B (en) | 2022-05-24 | 2022-05-24 | Measuring platform for magnetic field of nutation magnetic gear |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103217189A (en) * | 2013-02-06 | 2013-07-24 | 中北大学 | Measuring method of nutation parameters of pill |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB598751A (en) * | 1945-09-07 | 1948-02-25 | Bernard Veskimeister | Improvements in or relating to instruments for determining the deviation of a magnetic compass |
| CN213150103U (en) * | 2020-10-06 | 2021-05-07 | 中国人民解放军海军工程大学 | Ship magnetic field simulation and measurement experiment system |
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2022
- 2022-05-24 CN CN202210565798.9A patent/CN114966491B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103217189A (en) * | 2013-02-06 | 2013-07-24 | 中北大学 | Measuring method of nutation parameters of pill |
Non-Patent Citations (1)
| Title |
|---|
| 基于光电传感器的高旋弹章动测试;边玉亮;范锦彪;裴东兴;沈大伟;;探测与控制学报;20160426(第02期);第50-54页 * |
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