CN203711301U - Vibration source type exciter - Google Patents
Vibration source type exciter Download PDFInfo
- Publication number
- CN203711301U CN203711301U CN201420093940.5U CN201420093940U CN203711301U CN 203711301 U CN203711301 U CN 203711301U CN 201420093940 U CN201420093940 U CN 201420093940U CN 203711301 U CN203711301 U CN 203711301U
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- CN
- China
- Prior art keywords
- magnetic cylinder
- vibration source
- yoke
- moving coil
- table surface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000005291 magnetic effect Effects 0.000 claims abstract description 38
- 239000003302 ferromagnetic material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 230000005520 electrodynamics Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000010358 mechanical oscillation Effects 0.000 description 1
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- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
The utility model discloses a vibration source type exciter which comprises a permanent magnet, magnetic cylinders, a yoke, a moving ring component, support springs, guide components, an upper platform surface and a lower platform surface, wherein the upper end surface and the lower end surface of the permanent magnet are both fixed on the yoke and are subsequently assembled inside the magnetic cylinders; two gaps are formed among the yoke and the side walls of the magnetic cylinders; the moving ring component is fixedly below the middle of the upper platform surface; drive coils of the moving ring component are positioned in the gaps; the guide components comprise three or more guide shafts which are fixedly arranged between the upper platform surface and the lower platform surface; the guide shafts are sleeved with the magnetic cylinders and the support springs; the support springs are positioned at the upper end and the lower end of the magnetic cylinders. By adopting at least three groups of the guide components, a good guide function is achieved, the phenomenon that the exciter swings in the working process is avoided, and accordingly, the balance stability and the security of the overall machine are improved.
Description
Technical field
The utility model relates to a kind of equipment technical field of utilizing electromagnetic action to produce mechanical oscillation, relates in particular to a kind of electronic vibration source formula vibrator.
Background technology
Vibrator is to produce vibration force, and this vibration force is added to the apparatus on other structures and equipment.Electrodynamic Vibrators is to utilize the coil be connected with alternating current stressed and produce exciting force in magnetic field.General Electrodynamic Vibrators is to produce constant magnetic field by permanent magnet, and moving-coil is by arch spring-loaded in constant magnetic field, and push rod and moving-coil are fixed together, and forms the moving part of vibrator.While flowing through alternating current in moving-coil, moving part produces the exciting force of alternation, and by push rod, exciting force is passed to test component.In order to obtain efficiently, larger exciting force, therefore vibrator overall dynamic-balance stability has been proposed to requirement, wherein, guidance quality is the key factor that affects overall dynamic-balance stability.
Existing a kind of vibrator, as shown in Figure 1, it comprises magnet exciting coil 1 ', magnetic cylinder 2, moving coil component 5, support spring 6, guidance set 7, magnet exciting coil 1 ' is assemblied in magnetic cylinder 2, moving coil component 5 is fixed on the middle below of upper table surface 8, and the drive coil of this moving coil component 5 is arranged in the space 11 ' of magnetic cylinder 2, major axis 71 ' and directive wheel 72 ' in the middle of guidance set 7 comprises, middle major axis 71 ' is fixedly arranged between upper table surface 8 and following table 9, directive wheel 72 ' is fixedly arranged on magnetic cylinder 2 upper and lower end faces, and the axis both sides of major axis 71 ' in the middle of directive wheel 72 ' is distributed in, mutually be close to middle major axis 71 ', magnetic cylinder 2 is sheathed on middle major axis 71 ', between the upper surface of magnetic cylinder 2 and upper table surface 8 and between the lower surface of magnetic cylinder 2 and following table 9, all install support spring 6.
Because of the axis of guide of this vibrator be only one in the middle of major axis, so cause the less stable of complete machine; In addition, directive wheel is close to the axis of guide and is play the guiding role, the phenomenon that easily causes directive wheel to skid.Therefore this vibrator is the anti-ability of waving when work.
Utility model content
In order to solve the problems of the technologies described above, it is a kind of simple in structure, easy for installation that the purpose of this utility model is to provide, and anti-wave the vibrator that ability is strong.
To achieve these goals, technical solutions of the utility model are as follows:
A kind of vibration source formula vibrator, comprise permanent magnet, magnetic cylinder, yoke, moving coil component, support spring, guidance set, upper table surface, following table, the upper and lower end face of described permanent magnet is assemblied in described magnetic cylinder after all fixing described yoke, and the sidewall of described yoke and described magnetic cylinder forms two spaces, described moving coil component is fixedly arranged on the middle below of described upper table surface, and the drive coil of described moving coil component is arranged in those spaces;
Described guidance set comprises at least three axis of guides that are fixedly arranged between described upper table surface and following table, is arranged with magnetic cylinder and support spring on those axis of guides, and described support spring is positioned at the upper and lower end of described magnetic cylinder.
As one of preferred version of the present utility model, described guidance set also comprises linear bearing, and described linear bearing is installed in the upper and lower end of described magnetic cylinder, and the described axis of guide is through those linear bearings.
As one of preferred version of the present utility model, described bearing is Nonlubricated bearing.
As one of preferred version of the present utility model, between described upper table surface and following table, set firmly symmetrically four axis of guides.
As one of preferred version of the present utility model, described moving coil component comprises moving coil framework and the drive coil that is fixed on described moving coil framework below, and described moving coil framework is fixedly connected on the middle below of described upper table surface, and described drive coil is located in those spaces.
As one of preferred version of the present utility model, described permanent magnet is ferromagnetic material, and itself and described yoke are bolted to connection.
Compared with prior art, the utility model at least tool have the following advantages:
The utility model, by least three group guidance sets, can play good guide effect, has avoided vibrator to occur in the course of the work the phenomenon of waving, thereby has improved stability of equilibrium and the security of complete machine.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model architectural feature and technical essential, below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
Fig. 1 is the structural representation of vibrator of the prior art;
Fig. 2 is the structural representation of the disclosed a kind of vibration source formula vibrator of the utility model embodiment.
Description of reference numerals: 1-permanent magnet, 2-magnetic cylinder, the upper yoke of 3-, 4-lower yoke, 5-moving coil component, 51-moving coil framework, 52-drive coil, 6-support spring, 7-guidance set, the 71-axis of guide, 72-linear bearing, 8-upper table surface, 9-following table, 10-bolt, 11-space, 1 '-magnet exciting coil, 71 '-middle major axis, 72 '-directive wheel.
The specific embodiment
Below in conjunction with the accompanying drawing in the present embodiment, the technical scheme in embodiment is carried out specifically, described clearly and completely.
Shown in Figure 2, a kind of vibration source formula vibrator, comprise permanent magnet 1, magnetic cylinder 2, upper yoke 3, lower yoke 4, moving coil component 5, support spring 6, guidance set 7, upper table surface 8, following table 9, the upper surface of permanent magnet 1 and lower surface are fixed with respectively upper yoke 3 and lower yoke 4 by bolt 10, three's component assembling in magnetic cylinder 2 to form a magnetic circuit assembly, wherein, permanent magnet 1 is made by ferromagnetic materials such as ndfeb magnets, and upper yoke 3 forms two spaces 11 with the madial wall of magnetic cylinder 2.Moving coil component 5 is fixed on the middle below that is positioned at complete machine upper table surface topmost, wherein, moving coil component 5 comprises moving coil framework 51 and the drive coil 52 that is fixed on moving coil framework 51 belows, and moving coil framework 51 is fixedly connected on the middle below of upper table surface 8, and drive coil 52 is located in those spaces 11.
Guidance set 7 comprises at least three axis of guides 71 that are fixedly arranged between upper table surface 8 and following table 9, on those axis of guides 71, be arranged with magnetic cylinder 2 and support spring 6, the upper and lower end face of magnetic cylinder 2 is all provided with support spring 6, upper table surface 8 is shored in the one end that is positioned at the support spring of magnetic cylinder 2 upper ends, its other end is shored the upper surface of magnetic cylinder 2, following table is shored in the one end that is positioned at the support spring of magnetic cylinder 2 lower ends, its other end is shored the lower surface of magnetic cylinder 2, the upper and lower end of magnetic cylinder 2 is equipped with linear bearing 72, and the axis of guide 71 is through those linear bearings 72.Preferably, four axis of guides 71 are set between upper following table symmetrically, wherein, linear bearing 72 can be Nonlubricated bearing, and Nonlubricated bearing has good lubrication, can play better guide effect.
When drive coil 52 indirect current, it is fixedly arranged on upper table surface 8 motionless, and permanent magnet 1 is subject to the effect of electromagnetic coupled power and up-down vibration, and measured object is placed on impression vibration on upper table surface 8 or following table 9.The guidance set 7 of vibrator arranges at least three groups, and preferably four groups, so can make complete machine comparatively firm, avoid occurring in the course of work phenomenon of waving.
The above-mentioned specific embodiment; be only explanation technical conceive of the present utility model and architectural feature; object is to allow the stakeholder who is familiar with technique implement according to this; but above said content does not limit protection domain of the present utility model; any equivalence that every foundation Spirit Essence of the present utility model is done changes or modifies, within all should falling into protection domain of the present utility model.
Claims (6)
1. a vibration source formula vibrator, comprise permanent magnet, magnetic cylinder, yoke, moving coil component, support spring, guidance set, upper table surface, following table, the upper and lower end face of described permanent magnet is assemblied in described magnetic cylinder after all fixing described yoke, and the sidewall of described yoke and described magnetic cylinder forms two spaces, described moving coil component is fixedly arranged on the middle below of described upper table surface, and the drive coil of described moving coil component is arranged in those spaces;
It is characterized in that, described guidance set comprises at least three axis of guides that are fixedly arranged between described upper table surface and following table, is arranged with magnetic cylinder and support spring on those axis of guides, and described support spring is positioned at the upper and lower end of described magnetic cylinder.
2. a kind of vibration source formula vibrator according to claim 1, is characterized in that, described guidance set also comprises linear bearing, and described linear bearing is installed in the upper and lower end of described magnetic cylinder, and the described axis of guide is through those linear bearings.
3. a kind of vibration source formula vibrator according to claim 2, is characterized in that, described bearing is Nonlubricated bearing.
4. according to a kind of vibration source formula vibrator described in any one in claim 1-3, it is characterized in that, between described upper table surface and following table, set firmly symmetrically four axis of guides.
5. a kind of vibration source formula vibrator according to claim 4, it is characterized in that, described moving coil component comprises moving coil framework and the drive coil that is fixed on described moving coil framework below, and described moving coil framework is fixedly connected on the middle below of described upper table surface, and described drive coil is located in those spaces.
6. a kind of vibration source formula vibrator according to claim 5, is characterized in that, described permanent magnet is ferromagnetic material, and itself and described yoke are bolted to connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420093940.5U CN203711301U (en) | 2014-03-03 | 2014-03-03 | Vibration source type exciter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420093940.5U CN203711301U (en) | 2014-03-03 | 2014-03-03 | Vibration source type exciter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203711301U true CN203711301U (en) | 2014-07-16 |
Family
ID=51150501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420093940.5U Expired - Lifetime CN203711301U (en) | 2014-03-03 | 2014-03-03 | Vibration source type exciter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203711301U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105300640A (en) * | 2015-12-03 | 2016-02-03 | 苏州东菱振动试验仪器有限公司 | Long-stroke drive coil structure for electrodynamic vibration generator |
| CN109406082A (en) * | 2018-11-09 | 2019-03-01 | 西人马（厦门）科技有限公司 | A kind of shake table |
| WO2021258557A1 (en) * | 2020-06-24 | 2021-12-30 | 苏州苏试试验集团股份有限公司 | Dual-output electric vibration table |
-
2014
- 2014-03-03 CN CN201420093940.5U patent/CN203711301U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105300640A (en) * | 2015-12-03 | 2016-02-03 | 苏州东菱振动试验仪器有限公司 | Long-stroke drive coil structure for electrodynamic vibration generator |
| CN105300640B (en) * | 2015-12-03 | 2018-06-26 | 苏州东菱振动试验仪器有限公司 | For the long stroke moving-coil structure of electric vibration table |
| CN109406082A (en) * | 2018-11-09 | 2019-03-01 | 西人马（厦门）科技有限公司 | A kind of shake table |
| WO2021258557A1 (en) * | 2020-06-24 | 2021-12-30 | 苏州苏试试验集团股份有限公司 | Dual-output electric vibration table |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140716 |
|
| CX01 | Expiry of patent term |