CN105119449B - The big torque vibrator of finite angle - Google Patents
The big torque vibrator of finite angle Download PDFInfo
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- CN105119449B CN105119449B CN201510583422.0A CN201510583422A CN105119449B CN 105119449 B CN105119449 B CN 105119449B CN 201510583422 A CN201510583422 A CN 201510583422A CN 105119449 B CN105119449 B CN 105119449B
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Abstract
The invention discloses a kind of big torque vibrator of finite angle.The present invention includes the moving component being made up of work top, moving-coil matrix and moving-coil coil, the kinematic mount feature being made up of turntable bearing and annular outer cover, the statokinetic holding member being made up of cylindrical bar and spring, the magnetic circuit component being made up of inner magnetic core, interior permanent magnet, middle magnet ring, outer permanent magnet and outer magnetic ring, and the base of fixed magnetic circuit component, moving component is fixed on kinematic mount feature, and kinematic mount feature is fixed in magnetic circuit component, and magnetic circuit component is fixed on base.The present invention forms similar rectangular lines bag using moving-coil coil is wound on moving-coil matrix, has the advantages that coiling is uniform, structure is reliable；The present invention uses double air gaps radial magnetic circuit structure so that moving component has larger output torque；The present invention uses Modular Structure Design, and convenient disassembly, simple structure is with low cost.
Description
Technical field
The present invention relates to a kind of big torque vibrator of finite angle, particularly a kind of finite angle for angular oscillation environmental test
Big torque vibrator.
Background technology
Angular oscillation is the important component in vibration-testing field, it is well known that the power transmission shaft of automobile, internal combustion engine and lathe
Angular oscillation phenomenon can occur in motion process, in order to analyze the dynamic characteristic of power transmission shaft mechanical structure, it is necessary to carry out angle to it
Vibration test.
, typically using torque motor as driving source, power transmission shaft is with work top as motion for existing angular oscillation vibrator
Part, precision bearing as moving component support member.Alternation torque is produced when alternating current is connected with torque motor, from
And work top is exported angular oscillation.Due to the influence of motor electrical time constant, its operating frequency range is narrower；In order to realize
Work top carrys out back rotation around equilbrium position, typically need to detect angular displacement using angular encoder, therefore increased answering for equipment
Miscellaneous degree, improves use cost.Because the angular oscillation vibrator is to transform to form on the basis of torque motor, there is structure
It is complicated, take up room the big, problem of high cost.
The content of the invention
It is convenient, with low cost the invention provides a kind of simple structure, coiling in order to overcome the disadvantages mentioned above of prior art
The big torque vibrator of finite angle.
The present invention includes the moving component being made up of work top, moving-coil matrix and moving-coil coil, by turntable bearing and ring
The kinematic mount feature that shape shell is constituted, the statokinetic holding member being made up of cylindrical bar and spring, by inner magnetic core, interior permanent magnetism
The magnetic circuit component that body, middle magnet ring, outer permanent magnet and outer magnetic ring are constituted, and the base of magnetic circuit component is fixed, moving component is solid
Due on kinematic mount feature, kinematic mount feature is fixed in magnetic circuit component, and magnetic circuit component is fixed on base.
Further, magnetic circuit component provides radial air gap magnetic field, in order to realize big torque output, using double air gaps radial magnetic circuit
Structure, forms interior air-gap field, by middle magnet ring, outer permanent magnet and outer magnetic ring shape by inner magnetic core, interior permanent magnet and middle magnet ring
Into outer air-gap field, interior permanent magnet is fixed on inner magnetic core, and outer permanent magnet is fixed on outer magnetic ring, and inside and outside permanent magnet is along axis
It is uniformly distributed and circumferencial direction is mutually aligned, inside and outside permanent magnet is radial magnetizing direction, is mutually aligned in radial directions
Inside and outside permanent magnet magnetizing direction is conversely, inside and outside permanent magnet magnetizing direction adjacent in a circumferential direction is opposite.
Further, turntable bearing one end is fixed with moving component, and the other end is fixed with annular outer cover, and annular outer cover is fixed on
On outer magnetic ring；When moving component is rotated, turntable bearing plays a part of lubrication, and turntable bearing not only provides radial load, moreover it is possible to
Axial force, the radial motion of constrained motion part, the up and down motion free degree so that moving component is around axis rotation are provided.
Further, the spring of statokinetic holding member is fixed in the scalloped recess of annular outer cover, one end of spring with
Scalloped recess is fixed, and the other end is fixed with cylindrical bar, and cylindrical bar is fixed in the annular side of work top bottom, works as motion
When part is to rotating clockwise or counterclockwise, two springs fixed with cylindrical bar, one is compressed, and another is just stretched,
Two springs can provide the power that moving component is returned on equilbrium position；Consider from symmetry and balance angle, cylindrical bar
Using even number, and circumferentially it is uniformly distributed.
Further, the moving-coil matrix and moving-coil coil of moving component are fixed on work top bottom, and along the circumferential direction
It is uniformly distributed, the upper end of work top is used to install tested test specimen, and moving-coil coil is wrapped on moving-coil matrix, moving-coil coil position
In in the air-gap field of magnetic circuit component, the axial lead of same moving-coil coil is respectively at outer air-gap field and interior air-gap field
In, the sense of current of the adjacent moving-coil coil axial lead of circumference is opposite.
Beneficial effects of the present invention：
1st, the present invention uses double air gaps radial magnetic circuit structure, and moving-coil coil axial lead is located at interior air-gap field and outer respectively
In two air-gap fields of air-gap field, action length of the winding wire in magnetic field is given full play to so that moving component has
Larger output torque
2、.The present invention forms similar rectangular lines bag using moving-coil coil is wound on moving-coil matrix, with coiling it is uniform,
The advantages of structure is reliable.
3rd, the present invention uses Modular Structure Design, and convenient disassembly, simple structure is with low cost.
Brief description of the drawings
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is moving-coil structure schematic diagram of the invention.
Fig. 3 is equilbrium position structural representation of the invention.
Fig. 4 is magnetic structure schematic diagram of the invention.
Specific embodiment
Below in conjunction with accompanying drawing, the present invention will be further described：
As shown in figure 1, the present embodiment includes the moving component being made up of work top 1, moving-coil matrix 2 and moving-coil coil 3,
The kinematic mount feature being made up of turntable bearing 4 and annular outer cover 5, the statokinetic being made up of cylindrical bar 6 and spring 6-1 keeps
Part, the magnetic circuit component being made up of inner magnetic core 7, interior permanent magnet 8, middle magnet ring 9, outer permanent magnet 10 and outer magnetic ring 11, Yi Jigu
Determine the base 12 of magnetic circuit component.Wherein moving component is fixed on kinematic mount feature, and kinematic mount feature is fixed on magnetic circuit part
On part, magnetic circuit component is fixed on base.
As shown in Fig. 2 the moving-coil matrix 2 and moving-coil coil 3 of moving component are fixed on the bottom of work top 1, and along circle
Circumferential direction is uniformly distributed, and the upper end of work top 1 is used to install tested test specimen, and moving-coil coil 3 is wrapped on moving-coil matrix 2,
Moving-coil coil 3 is located in the air-gap field of magnetic circuit component, the axial lead of same moving-coil coil 3 be respectively at outer air-gap field and
In interior air-gap field, the sense of current of the adjacent axial lead of moving-coil coil 3 of circumference is opposite.
The one end of turntable bearing 4 and the moving component of kinematic mount feature are fixed, the ring of the other end and moving component support member
Shape shell 5 is fixed, and annular outer cover 5 is fixed on the outer magnetic ring of magnetic circuit component；When moving component is rotated, turntable bearing 4 is played
The effect of lubrication, turntable bearing 4 not only provides radial load, moreover it is possible to provide axial force, the radial motion of constrained motion part, up and down
Freedom of motion so that moving component is around axis rotation.
As shown in figure 3, the spring 6-1 of statokinetic holding member is fixed in the scalloped recess of annular outer cover 5, spring 6-
1 one end is fixed with scalloped recess, and the other end is fixed with cylindrical bar 6, and cylindrical bar 6 is fixed on the bottom annular side of work top 1
On face, when moving component is to rotating clockwise or counterclockwise, two springs fixed with cylindrical bar 6, one is compressed, another
Root is just stretched, and two springs can provide the power that moving component is returned on equilbrium position；From symmetry and balance angle
Consider, cylindrical bar 6 uses even number, and is circumferentially uniformly distributed.
As shown in figure 4, magnetic circuit component provides radial air gap magnetic field, in order to realize big torque output, using double air gaps radially
Magnetic structure, forms interior air-gap field, by middle magnet ring 9, outer permanent magnet 10 by inner magnetic core 7, interior permanent magnet 8 and middle magnet ring 9
Outer air-gap field is formed with outer magnetic ring 11, interior permanent magnet 8 is fixed on inner magnetic core 7, and outer permanent magnet 10 is fixed on outer magnetic ring 11,
Inside and outside permanent magnet is uniformly distributed along axis and circumferencial direction is mutually aligned, and inside and outside permanent magnet is radial magnetizing direction, radially
The inside and outside permanent magnet magnetizing direction being mutually aligned on direction is conversely, interior (outward) permanent magnet magnetizing direction adjacent in a circumferential direction
Conversely.
The course of work of the device：Statokinetic keeper realizes that angular oscillation carrys out back rotation around a certain equilbrium position；Motion
Support member realizes the axially and radially support of moving component, while playing a part of to reduce the frictional force and fixture between；Magnetic
Circuit unit is used for providing constant air-gap field；When alternating current is passed through in the moving component moving-coil in positioned at air-gap field,
Moving-coil wire is subject to the effect of Ampere force and carrys out back rotation around a certain equilbrium position in axle center, so as to realize moving component work top
The output of limited angular oscillation.
Content described in this specification embodiment is only enumerating to the way of realization of inventive concept, protection of the invention
Scope is not construed as being only limitted to the concrete form that embodiment is stated, protection scope of the present invention is also and in art technology
Personnel according to present inventive concept it is conceivable that equivalent technologies mean.
Claims (1)
1. the big torque vibrator of finite angle, it is characterised in that：Including the fortune being made up of work top, moving-coil matrix and moving-coil coil
Dynamic component, the kinematic mount feature being made up of turntable bearing and annular outer cover, the statokinetic being made up of cylindrical bar and spring is protected
Part is held, the magnetic circuit component being made up of inner magnetic core, interior permanent magnet, middle magnet ring, outer permanent magnet and outer magnetic ring, and fixed magnetic circuit
The base of part, moving component is fixed on kinematic mount feature, and kinematic mount feature is fixed in magnetic circuit component, magnetic circuit component
It is fixed on base；
Magnetic circuit component provides radial air gap magnetic field, in order to realize big torque output, using double air gaps radial magnetic circuit structure, by interior magnetic
Core, interior permanent magnet and middle magnet ring form interior air-gap field, and outer air gap magnetic is formed by middle magnet ring, outer permanent magnet and outer magnetic ring
, interior permanent magnet is fixed on inner magnetic core, and outer permanent magnet is fixed on outer magnetic ring, inside and outside permanent magnet be uniformly distributed along axis and
Circumferencial direction is mutually aligned, and inside and outside permanent magnet is radial magnetizing direction, the inside and outside permanent magnet being mutually aligned in radial directions
Magnetizing direction is conversely, inside and outside permanent magnet magnetizing direction adjacent in a circumferential direction is opposite；
Turntable bearing one end is fixed with moving component, and the other end is fixed with annular outer cover, and annular outer cover is fixed on outer magnetic ring；When
When moving component is rotated, turntable bearing plays a part of lubrication, and turntable bearing not only provides radial load, moreover it is possible to provide axial force,
The radial motion of constrained motion part, the up and down motion free degree so that moving component is around axis rotation；
The spring of statokinetic holding member is fixed in the scalloped recess of annular outer cover, and one end and the scalloped recess of spring are consolidated
Fixed, the other end is fixed with cylindrical bar, and cylindrical bar is fixed in the annular side of work top bottom, when moving component is to up time
Pin or when rotating counterclockwise, two springs fixed with cylindrical bar, one is compressed, and another is just stretched, and two springs are equal
The power that moving component is returned on equilbrium position can be provided；Consider that cylindrical bar uses even number from symmetry and balance angle,
And be circumferentially uniformly distributed；
The moving-coil matrix and moving-coil coil of moving component are fixed on work top bottom, and are distributed uniformly and circumferentially, work
Making the upper end of table top is used to install tested test specimen, and moving-coil coil is wrapped on moving-coil matrix, and moving-coil coil is located at magnetic circuit component
Air-gap field in, the axial lead of same moving-coil coil is respectively in outer air-gap field and interior air-gap field, and circumference is adjacent
The sense of current of moving-coil coil axial lead is opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510583422.0A CN105119449B (en) | 2015-09-15 | 2015-09-15 | The big torque vibrator of finite angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510583422.0A CN105119449B (en) | 2015-09-15 | 2015-09-15 | The big torque vibrator of finite angle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105119449A CN105119449A (en) | 2015-12-02 |
| CN105119449B true CN105119449B (en) | 2017-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510583422.0A Active CN105119449B (en) | 2015-09-15 | 2015-09-15 | The big torque vibrator of finite angle |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111628606A (en) * | 2020-04-28 | 2020-09-04 | 苏州陈那自动化技术有限公司 | Direct-drive motor |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63167658A (en) * | 1986-12-27 | 1988-07-11 | Toshiba Corp | Movable coil type driving device |
| JPH01217774A (en) * | 1988-02-24 | 1989-08-31 | Hitachi Ltd | Head disk assembly for magnetic disk device |
| JPH05168195A (en) * | 1991-12-12 | 1993-07-02 | Secoh Giken Inc | Oscillator |
| JPH06168351A (en) * | 1992-10-02 | 1994-06-14 | Fuji Electric Co Ltd | Bar code reader |
| CN1168192C (en) * | 2001-09-10 | 2004-09-22 | 阿尔卑斯电气株式会社 | Variable vibration generator and electronic machine equiped with the same vibration generating device |
| JP4429285B2 (en) * | 2006-03-28 | 2010-03-10 | 三菱電機株式会社 | Torque excitation device |
| CN204967570U (en) * | 2015-09-15 | 2016-01-13 | 中国计量学院 | Big torque vibration exciter in limited angle |
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2015
- 2015-09-15 CN CN201510583422.0A patent/CN105119449B/en active Active
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| CN105119449A (en) | 2015-12-02 |
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Inventor after: Tang Bo Inventor before: Tang Bo Inventor before: Hou Dexin Inventor before: Ye Shuliang |
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Address after: 310018 No. 258, Xue Yuan Street, Xiasha Higher Education Park, Hangzhou, Zhejiang Patentee after: CHINA JILIANG UNIVERSITY Address before: 310018 No. 258, Xue Yuan Street, Xiasha Higher Education Park, Hangzhou, Zhejiang Patentee before: China Jiliang University |