CN206132338U - Multi -functional novel vibration exciter - Google Patents
Multi -functional novel vibration exciter Download PDFInfo
- Publication number
- CN206132338U CN206132338U CN201620471893.2U CN201620471893U CN206132338U CN 206132338 U CN206132338 U CN 206132338U CN 201620471893 U CN201620471893 U CN 201620471893U CN 206132338 U CN206132338 U CN 206132338U
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- CN
- China
- Prior art keywords
- cylinder body
- work top
- push rod
- magnetic core
- multifucntional
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Abstract
The utility model discloses a multi -functional novel vibration exciter, including magnetism cylinder body, magnetic core, movable coil subassembly and ejector pin etc, the movable coil subassembly is connected with the magnetism cylinder body through the direction subassembly, the magnetic core is located in the magnetism cylinder body, the drive coil of movable coil subassembly set up in in the air gap in the magnetism cylinder body, ejector pin upper portion is connected with movable coil subassembly detachable, and the lower extreme passes the magnetic core, and movable coil subassembly upper portion still detachable is connected with a table surface, last being equipped with of table surface can supply the through -hole that the ejector pin passed. The utility model discloses a fine tune is carried out to structure to current electrodynamic shaker, promptly, only needs to connect a table surface on current electrodynamic shaker's movable coil subassembly, can make electrodynamic shaker be suitable for and test the sample of multiple specification, has expanded electrodynamic shaker's function greatly, makes its demand that can satisfy different practical application.
Description
Technical field
The utility model is related to a kind of excitational equipment, particularly a kind of Multifucntional vibrator, can be applicable to the examination of mould shape
Test and analyze.
Background technology
Vibrator is to produce vibration force, and the apparatus this vibration force being added in other structures and equipment.It is electronic
Formula vibrator is one kind the most commonly used in the numerous types of vibrator, and it mainly uses the coil for being connected with alternating current in magnetic field
Middle stress and produce exciting force.Traditional Electrodynamic Vibrators are to produce constant magnetic field by permanent magnet, and moving-coil passes through arch
In constant magnetic field, push rod and moving-coil are fixed together the supporting members supports such as spring, constitute the moving part of vibrator.When dynamic
When flowing through alternating current in circle, moving part produces the exciting force of alternation, and exciting force is passed to into test component by push rod.
The frequency range of such Electrodynamic Vibrators can from 0Hz to KHz the order of magnitude, and can on demand give the signal of certain waveform,
The power of the certain waveform of generation is made, frequency and amplitude can be with separately adjustable.However, traditional Electrodynamic Vibrators are typically only capable to push up
Bar coordinates with exciting object, and is unsuitable for some samples, and the sample of such as small dimension is tested.
Utility model content
The purpose of this utility model is to provide a kind of Multifucntional vibrator, and it can be used to enter the sample of plurality of specifications
Row test, so as to overcome the deficiencies in the prior art.
To realize aforementioned invention purpose, the technical solution adopted in the utility model is as follows：
The utility model embodiment provide a kind of Multifucntional vibrator, including magnetic cylinder body, magnetic core, moving coil component and
Push rod, the moving coil component is connected by guidance set with magnetic cylinder body, and the magnetic core is located in the magnetic cylinder body, the moving-coil group
The driving coil of part is arranged in the air gap in the magnetic cylinder body, and the push rod top is removably connected with moving coil component, under
Through the magnetic core, the moving coil component top is also removably connected with a work top at end, is distributed on the work top
There is more than one fixed installation position.
In some embodiments, it is additionally provided with the through hole for being available for the push rod to pass through on the work top.
In some embodiments, an at least bearing assembly is additionally provided between the work top and moving coil component, it is described
Push rod is continuously passed through from the work top, bearing assembly and the magnetic core.
In some embodiments, the push rod is removably connected with the work top.
In some embodiments, Jing locking nuts are fixedly connected between the push rod and the work top.
In some embodiments, on the work top it is uniform or it is heterogeneous a plurality of fixed installation positions are distributed with,
The fixed installation position adopts Screw hole structure.
Compared with prior art, the utility model carries out fine tune by the structure to existing Electrodynamic Vibrators, i.e.
Only a work top need to be connected on the moving coil component of existing Electrodynamic Vibrators, you can so that Electrodynamic Vibrators are suitable to many
The sample for planting specification is tested, and greatly expands the function of Electrodynamic Vibrators so as to can meet different practical applications
Demand.
Description of the drawings
The technical solution of the utility model is further elaborated below with reference by drawings and Examples.
Fig. 1 is the structural representation of existing Electrodynamic Vibrators；
Fig. 2 is a kind of top view of Electrodynamic Vibrators in the utility model embodiment；
Fig. 3 is the A-A of Electrodynamic Vibrators shown in Fig. 2 to part section structural representation；
Description of reference numerals：Spring leaf 1, moving-coil 2, push rod 3, guidance set 4, moving coil component 5, bearing assembly 6, workbench
Face 7, fixed installation position 8, locking nut 9.
Specific embodiment
It is a kind of existing typical Electrodynamic Vibrators to refer to shown in Fig. 1, and it includes magnetic cylinder body, magnetic core, moving-coil 2 and top
Bar 3 etc., moving-coil 2 is coordinated by the spring leaf 1 as supporting guide and magnetic cylinder body, and push rod 3 is passed through from magnetic core, and and moving-coil
2 are fixedly connected.The Electrodynamic Vibrators are in use, its push rod coordinates with exciting object.But such structure, causes the exciting
Device cannot be applied to test specific sample, and particularly sample of small dimension etc. is tested, thus make its function and
Range of application is restricted.
In view of deficiency of the prior art, inventor Jing studies for a long period of time and puts into practice in a large number, is able to propose this practicality newly
The technical scheme of type.The technical scheme, its implementation process and principle etc. will be further explained as follows.
Refer to shown in Fig. 2-Fig. 3, a kind of multifunctional excitation device that the present embodiment is related to, including magnetic cylinder body, magnetic core are (in figure
It is not shown), moving coil component 5 and push rod 6 etc., the moving coil component 5 is connected by guidance set 4 with magnetic cylinder body, and the magnetic core sets
In the magnetic cylinder body, the driving coil of the moving coil component is arranged in the air gap in the magnetic cylinder body ((not to be shown in figure
Go out)), the push rod top is removably connected with moving coil component, and lower end passes through the magnetic core, and the moving coil component top may be used also
That what is dismantled is connected with a work top 7, and one or more fixed installation positions 8 are distributed with the work top.
Further, it is additionally provided with the through hole for being available for the push rod to pass through on the work top.
Further, a bearing assembly can be also provided between the work top and moving coil component, the push rod is continuous
Pass through from the work top, bearing assembly and the magnetic core.
Further, the push rod is removably connected with the work top, for example, the push rod and the workbench
Can be fixedly connected with Jing locking nuts 9 between face.
Further, on the work top can it is uniform or it is heterogeneous be distributed with multiple fixed installation positions, the fixed peace
Dress position adopts Screw hole structure.
Aforementioned magnetic core can be using permanent magnet etc., such as hard magnetic material of high magnetic characteristics, such as rare earth permanent-magnetic material-neodymium iron boron
Contour magnetic material.Meanwhile, aforementioned guidance set can be using bearing assembly etc..
When a kind of multifunctional excitation device using the present embodiment works, if exciting object is bridge, main equipment etc.,
The work top can be pulled down, and be coordinated with push rod and exciting object.And if exciting object is mini-plant, such as small-sized
During components and parts, push rod can be pulled down, and exciting object is fixed on work top, then be tested.In addition, for some
Special-shaped exciting object, can be in the case where work top and push rod coexist, by these exciting objects and work top and/or top
Bar connects, and then is tested.
Therefore, nationality can greatly expand function and its application of Electrodynamic Vibrators by previous designs of the present utility model
Scope so as to the demand of different practical applications can be met.It is right that Electrodynamic Vibrators of the present utility model can be widely suitable for
The vibration test of all kinds of structural members, dynamic mechanical analysis.
It should be appreciated that above-described embodiment is only to illustrate technology design of the present utility model and feature, its object is to allow ripe
The personage for knowing technique will appreciate that content of the present utility model and implements according to this, can not limit of the present utility model with this
Protection domain.All equivalence changes made according to the utility model Spirit Essence or modification, all should cover of the present utility model
Within protection domain.
Claims (6)
1. a kind of Multifucntional vibrator, including magnetic cylinder body, magnetic core, moving coil component and push rod, the moving coil component is by leading
It is connected with magnetic cylinder body to component, in the magnetic cylinder body, the driving coil of the moving coil component is arranged at described the magnetic core
In air gap in magnetic cylinder body, the push rod top is removably connected with moving coil component, and lower end passes through the magnetic core, its feature to exist
In：The moving coil component top is also removably connected with a work top, more than one is distributed with the work top and is consolidated
Determine installation position.
2. Multifucntional vibrator according to claim 1, it is characterised in that：It is additionally provided with the work top and is available for
The through hole that the push rod is passed through.
3. Multifucntional vibrator according to claim 1 and 2, it is characterised in that：The work top and moving-coil group
An at least bearing assembly is additionally provided between part, the push rod is continuously worn from the work top, bearing assembly and the magnetic core
Cross.
4. Multifucntional vibrator according to claim 1, it is characterised in that：The push rod can with the work top
The connection of dismounting.
5. Multifucntional vibrator according to claim 4, it is characterised in that：The push rod and the work top it
Between Jing locking nuts be fixedly connected.
6. Multifucntional vibrator according to claim 1, it is characterised in that：It is uniform or non-equal on the work top
Even is distributed with a plurality of fixed installation positions, and the fixed installation position adopts Screw hole structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620471893.2U CN206132338U (en) | 2016-05-23 | 2016-05-23 | Multi -functional novel vibration exciter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620471893.2U CN206132338U (en) | 2016-05-23 | 2016-05-23 | Multi -functional novel vibration exciter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206132338U true CN206132338U (en) | 2017-04-26 |
Family
ID=58560561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620471893.2U Active CN206132338U (en) | 2016-05-23 | 2016-05-23 | Multi -functional novel vibration exciter |
Country Status (1)
| Country | Link |
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| CN (1) | CN206132338U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108031642A (en) * | 2017-12-03 | 2018-05-15 | 北京航空航天大学 | A kind of more excitation systems and its power output adjusting method for modal test |
| CN112213061A (en) * | 2020-09-25 | 2021-01-12 | 中国直升机设计研究所 | Multidirectional excitation device and system for helicopter vibration active control system |
-
2016
- 2016-05-23 CN CN201620471893.2U patent/CN206132338U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108031642A (en) * | 2017-12-03 | 2018-05-15 | 北京航空航天大学 | A kind of more excitation systems and its power output adjusting method for modal test |
| CN112213061A (en) * | 2020-09-25 | 2021-01-12 | 中国直升机设计研究所 | Multidirectional excitation device and system for helicopter vibration active control system |
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