CN208764222U - Dynamic vibration absorber and bump leveller group system - Google Patents
Dynamic vibration absorber and bump leveller group system Download PDFInfo
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- CN208764222U CN208764222U CN201821168536.4U CN201821168536U CN208764222U CN 208764222 U CN208764222 U CN 208764222U CN 201821168536 U CN201821168536 U CN 201821168536U CN 208764222 U CN208764222 U CN 208764222U
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- mass body
- dynamic vibration
- vibration absorber
- rigid frame
- space
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Abstract
The utility model provides a kind of dynamic vibration absorber, include rigid frame (100) and mass body (110), cavity is provided in the rigid frame (100), cavity inside space forms article containing space, the mass body (110) is mounted in article containing space, and the remaining space that mass body (110) are taken up space is removed in article containing space and forms filling space (120)；Mass body (110) is connected by following any structure or entire infrastructure with rigid frame (100): filling up the damping liquid (130) of filling space (120)；The elastic component (140) of setting.The utility model additionally provides a kind of bump leveller group's system comprising above-mentioned dynamic vibration absorber.The utility model can be directly installed in the structure such as building, bridge, railroad rails, blower tower body by cementing equal various ways, not influenced on original structure, easy installation and reliable.
Description
Technical field
The utility model relates to absorbing fields, and in particular, to dynamic vibration absorber and bump leveller group system.
Background technique
Absorbing is to reduce the measure of unwanted mechanical oscillation in all kinds of machinery.In actual operation, people usually take
Only make the measure with the vibration decaying in certain frequency range of certain key position in machinery, therefore vibration cannot completely eliminate.One
As vibration reducing measure have and reduce incentive action, avoid resonance region, increase damping and using damper.
Patent document CN207209687U provides a kind of car floor absorber block, including upper padding plate, lower bolster, shock absorption layer, institute
The upper padding plate and lower bolster stated are rectangular metallic plate, are equipped with shock absorption layer between the two, are equipped with through-hole inside the shock absorption layer,
Side wall is equipped with an annular groove.It is according to the patent document readme advantage: is equipped with several springs, the design of spring inside through-hole
Enhance the vibration absorption ability of absorber block；Shock absorption layer side wall be equipped with annular groove so that absorber block be pressurized when increase itself by
Press space；Backing plate edge uses fillet design, improves the vibration absorption ability of absorber block, surface is carved with diamond shape lines, enhances and rub
Effect is wiped, convenient for the fixation of absorber block；Fixation hole is equipped with earthquake washer, improves the working effect of absorber block.But the patent
The structure one side application surface that document provides is relatively narrow, and can not be suitable for the occasions such as building, track on the other hand only can be to upper
The vibration in lower direction is effectively absorbed, and poor for the shock absorption of other dimensions.
Utility model content
For the defects in the prior art, the purpose of the utility model is to provide a kind of dynamic vibration absorbers and bump leveller group is
System.
According to dynamic vibration absorber provided by the utility model, includes rigid frame and mass body, set in the rigid frame
It is equipped with cavity, cavity inside space forms article containing space, and the mass body is mounted in article containing space, and matter is removed in article containing space
The remaining space that amount body is taken up space forms filling space；
Mass body is connected by following any structure or entire infrastructure with rigid frame:
-- fill up the damping liquid in filling space；
-- the elastic component of setting.
Preferably, the damping liquid is magnetic rheological liquid；Dynamic vibration absorber also includes control magnet；
Control magnet is mounted on rigid frame and/or mass body.
Preferably, the control magnet includes electromagnet, is mounted on rigid frame, the electromagnet on mass body is respectively formed
First electromagnet, the second electromagnet.
Preferably, multiple first electromagnets are coated on the outside of rigid frame, it is in parallel between multiple first electromagnets and/or
Arranged in series.
Preferably, the mass body includes following any or appoints various structures:
-- ferromagnet；
-- permanent magnet；
-- magnetizer；
-- non-magnetizer.
Preferably, it is fastenedly connected on mass body or integrally formed with block, multiple blocks is distributed in the outer peripheral surface of mass body
On；
There are runner gap between block and rigid frame inner wall, the runner gap passes through for magnetic rheological liquid.
Preferably, it is provided with through-hole runner in mass body, is all connected between multiple through-hole runners, part is connected to or does not connect
It is logical.
Preferably, mass body contains rigid bodies and embedded permanent magnet,
External permanent magnet is provided on rigid frame as control magnet.
Preferably, under control magnet effect, the magnetic-particle in magnetic rheological liquid is assembled, and composition is connected to rigidity
Shaft between frame and mass body.
The utility model additionally provides a kind of bump leveller group system, comprising controlled device and above-mentioned dynamic vibration absorber, one
A or multiple dynamic vibration absorbers are mounted in controlled device.
Compared with prior art, the utility model have it is following the utility model has the advantages that
1, the utility model can be directly installed on such as building, bridge, railroad rails, wind by the various ways such as cementing
In the structures such as machine tower body, original structure is not influenced, it is easy installation and reliable；
2, the utility model, which has, inhibits potentiality about one-dimensional to the sextuple direction absorption of vibrations of translation and/or rotation；
3, the utility model has adaptive ability, and for the time-varying state of controlled state, dynamically track is adjustable or adaptive
It should be to optimal working condition；
4, the utility model can also form bump leveller group's system by way of array or combination, more effectively absorb big
The vibration of size controlled device.
5, the utility model can be accomplished in several ways the adjusting to itself damping, can not only effectively improve absorption
Vibration frequency bandwidth, moreover it is possible to adapt to the use demand of complex environment.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model
Sign, objects and advantages will become more apparent upon:
Fig. 1 is bump leveller group system structure diagram；
Fig. 2 is dynamic vibration absorber structural schematic diagram in basic embodiment；
Fig. 3 is structural schematic diagram when the first electromagnet is only arranged in embodiment 1；
Fig. 4 is structural schematic diagram when the second electromagnet is only arranged in embodiment 1；
Fig. 5 is structural schematic diagram when the first electromagnet and the second electromagnet is arranged in embodiment 1 simultaneously；
Fig. 6 is dynamic vibration absorber structural schematic diagram in embodiment 2；
Fig. 7 is dynamic vibration absorber structural schematic diagram in embodiment 3；
Fig. 8 is dynamic vibration absorber structural schematic diagram in first preference in embodiment 4；
Fig. 9 is dynamic vibration absorber structural schematic diagram in second preference in embodiment 4；
Figure 10 is dynamic vibration absorber structural schematic diagram in third preference in embodiment 4；
Figure 11 is internal structure chart on dynamic vibration absorber in embodiment 5 in a space rectangular coordinate system X/Y plane；
Figure 12 is internal structure chart on dynamic vibration absorber in embodiment 5 in a space rectangular coordinate system YZ plane；
Figure 13 is that dynamic vibration absorber absorbs twisting vibration schematic diagram.
It is shown in figure:
Specific embodiment
The utility model is described in detail combined with specific embodiments below.Following embodiment will be helpful to this field
Technical staff further understands the utility model, but does not limit the utility model in any form.It should be pointed out that ability
For the those of ordinary skill in domain, without departing from the concept of the premise utility, various modifications and improvements can be made.
These are all within the protection scope of the present invention.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "top", "bottom", "inner", "outside" be orientation based on the figure or
Positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or member of indication or suggestion meaning
Part must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
As shown in Fig. 2, dynamic vibration absorber provided by the utility model includes rigid frame 100 and matter in basic embodiment
Body 110 is measured, cavity is provided in the rigid frame 100, cavity inside space forms article containing space, and the mass body 110 is pacified
The remaining space that mass body 110 is taken up space is removed in article containing space, in article containing space forms filling space 120；
Mass body 110 is connected by following any structure or entire infrastructure with rigid frame 100:
-- fill up the damping liquid 130 in filling space 120；
-- the elastic component 140 of setting.
In practical application, can according to the predominant oscillatory frequencies band of controlled device 240 to it is following any one or appoint multiple contents
It is adjusted, the viscosity of damping liquid 130, the elasticity of elastic component 140, quality size, distribution and the material of mass body 110,
To realize the adjustment to dynamic vibration absorber itself intrinsic frequency, and then realize, energy maximum corresponding with the frequency of controlled device 240
Change is transmitted on the 110 of dynamic vibration absorber, achievees the effect that decaying is not vibrated or vibrated to controlled device 240.
The preference of basic embodiment is illustrated below.
As shown in Figures 3 to 5, in embodiment 1, the damping liquid 130 is magnetic rheological liquid 150；Dynamic vibration absorber is also
Comprising controlling magnet, in the present embodiment, control magnet is electromagnet, and the electromagnet is mounted on rigid frame 100 and/or quality
On body 110；
The mass body 110 includes following any or appoints various structures:
-- ferromagnet；
-- permanent magnet；
-- magnetizer；
-- non-magnetizer.
The electromagnet being mounted on rigid frame 100, the electromagnet being mounted on mass body 110 are respectively defined as the first electricity
Magnet 160, the second electromagnet 170, Fig. 3, Fig. 4, Fig. 5, which are respectively shown, to be only arranged the first electromagnet 160, the second electromagnetism is only arranged
The preferred structure of the first electromagnet 160 and the second electromagnet 170 in the case of these three is arranged in body 170 simultaneously.In practical application,
The electromagnet can be set multiple, by carrying out the combination of power on/off for these electromagnets, be added with given electromagnetic field
Carry, realize the adjusting of magnetic fluid damping, for example, under equivalent device volume, make magnetic rheological liquid 150 damp or magnetomechanical damping power/
Coefficient reaches maximum under same volume.Preferably, the mass body 110 is preferential to select big specific gravity material.Preferably, institute
Stating electromagnet can be simple electromagnetic coil, can also be that electromagnetic coil adds core structure.
After electromagnet is powered on magnetic attraction, the variation of magnetoelasticity and/or the variation of rigidity can be realized.Specifically, work as use
Magnetic rheological liquid 150 and elastic component 140 are changed by compound elasticity, realize that damping and rigidity are controllable simultaneously；Work as mass body
110 be non-electromagnet, then only damping change；When damping liquid 130 is general fluid, such as non-magnetic rheological liquid, then only
Stiffness variation.
As shown in fig. 6, being fastenedly connected on the mass body 110 or in embodiment 2 integrally formed with block 180, multiple gears
Block 180 is distributed on the outer peripheral surface of mass body 110, and there are runner gaps 190 between 100 inner wall of block 180 and rigid frame, should
Runner gap 190 passes through for magnetic rheological liquid 150.On cross section as shown in FIG. 6, the runner gap 190 is wherein
A line circle is in square-wave form, that is to say, that there are the variations of width direction size in runner gap 190.On the one hand, runner gap
Relatively narrow part flow resistance increases in 190, can be improved magnetic damping；On the other hand, the upper surface of block 180 can effectively hinder
Keep off deposition of the magnetic-particle towards 100 lower section inner wall of rigid frame；In addition, under the action of external magnetic field, in runner gap 190
The aggregation of magnetic-particle more easily occurs, to solidification tendency occur, constitutes the structure of shaft, and then absorbs the corresponding dimension of twisting
The vibration of degree.
As shown in fig. 7, in embodiment 3, it is provided with through-hole runner 200 in mass body 110, between multiple through-hole runners 200
All connection, part are connected to or are not connected to.Magnetic rheological liquid 150 can have resistance, Jin Ershi when flowing in through-hole runner 200
The adjusting of existing magnetic fluid damping.
In embodiment 4, dynamic vibration absorber can be any combination between above-mentioned each technical characteristic.As shown in figure 8, the
In one preference, mass body 110 contains rigid bodies 210 and embedded permanent magnet 220, sets in 210 outside wall surface of rigid bodies
It is equipped with block 180, external permanent magnet 230 is provided on rigid frame 100 as control magnet.In practical application, permanent magnetism is embedded
The vibration frequency, quality and bandwidth that 220 magnetic field strength of body and volume mass neglect greatly controlled device 240 determine.As shown in figure 9,
In second preference, above-mentioned embedded permanent magnet 220, external permanent magnet 230 are substituted for the second electromagnet 170, respectively
One electromagnet 160.As shown in Figure 10, in third preference, it is additionally provided with through-hole runner 200 in mass body 110, and by second
The quantity of electromagnet 170 is arranged to multiple, and block 180 has also in addition been substituted for elastic component 140.To sum up, in the present embodiment, lead to
Cross control adjustment elastic component 140, mass body 110, permanent magnet, electromagnet, magnetic rheological liquid 150, magnetic circuit material, through-hole runner
200, each structural material, size, quality and the ferromagnetic combination of electromagnet and permanent magnet, number, arrangement array, electric current/electromagnetic field
Apply intensity etc., can actively or passively adjust and embody optimum efficiency or the intelligent control to time-varying controlled device 240
Effect.
As shown in Figure 11 to Figure 13, in embodiment 5, multiple first electromagnets 160 is provided with and are coated on rigid frame 100
Outside, in parallel and/or arranged in series between multiple first electromagnets 160, passes through the on-off of each first electromagnet 160 of control
On the one hand electricity can adjust the utility model in the kinetic damping of translation direction, play to the translation absorption of vibrations of controlled device 240
Function；It on the other hand, as shown in figure 13, can be by the energization of the first electromagnet of part 160, so that magnetic rheological liquid 150
In magnetic-particle assemble in a certain region, and there is solidified characteristic, pivot structure constituted, so that mass body
110 are able to carry out rotation, to absorb the twisting vibration of controlled device 240.In short, under independent magnetic force or combined magnetic constraint,
Mass body 110 can be around the stiffness variation control in the rotation of symmetrically or non-symmetrically axis, or expectation rotation direction, and then realizes vibration
Dynamic or twisting vibration control.Therefore, the absorption that various dimensions vibrate may be implemented in the dynamic combination of flat turn in the utility model, based on master
Dynamic damping or active stiffness are adjusted, and are completed to the active of controlled device 240 or the inhibition of adaptive vibration.In addition, according to reality
Demand can be designed to that the absorption of vibrations in one-dimensional to sextuple direction inhibits structure.Preferably, the rigid frame 100 is cube
The bodily form, certainly, it is further preferred that rigid frame 100 is also possible to elliposoidal, spherical shape, hemispherical or irregular shape etc..
As shown in Figure 1, dynamic vibration absorber provided by the utility model can pass through fastener, bonding, welding, magnetic force systems
Etc. modes be directly installed in controlled device 240, original structure is not influenced, in practical application, also can use original structure
Embedded installation is carried out, such as between two wing plates that insertion is mounted on H-shaped material.Since the utility model installs shape
Formula multiplicity, absorption of vibrations dimension can control flexibly, thus can also be widely used in building, bridge, blower tower body and lathe,
In the equipment such as the vehicles.In addition, dynamic vibration absorber has adaptive ability, for the time-varying state of controlled state, in conjunction with interior
Set or external vibration detecting sensor detected after dynamically track it is adjustable or adaptive to optimal working condition, meanwhile,
The utility model can also form bump leveller group's system by way of array or combination, more effectively absorb controlled pair of large scale
As 240 vibration.
The utility model additionally provides a kind of bump leveller group system, comprising controlled device 240 and above-mentioned dynamic vibration absorber,
One or more dynamic vibration absorbers are mounted in controlled device 240.
Specific embodiment of the utility model is described above.It is to be appreciated that the utility model not office
It is limited to above-mentioned particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims,
This has no effect on the substantive content of the utility model.In the absence of conflict, the spy in embodiments herein and embodiment
Sign can be arbitrarily combined with each other.
Claims (10)
1. a kind of dynamic vibration absorber, which is characterized in that include rigid frame (100) and mass body (110), the rigid frame
(100) cavity is provided in, cavity inside space forms article containing space, and the mass body (110) is mounted in article containing space, holds
The remaining space that mass body (110) are taken up space is removed in object space forms filling space (120)；
Mass body (110) is connected by following any structure or entire infrastructure with rigid frame (100):
-- fill up the damping liquid (130) of filling space (120)；
-- the elastic component (140) of setting.
2. dynamic vibration absorber according to claim 1, which is characterized in that the damping liquid (130) is magnetic rheological liquid
(150)；Dynamic vibration absorber also includes control magnet；
Control magnet is mounted on rigid frame (100) and/or mass body (110).
3. dynamic vibration absorber according to claim 2, which is characterized in that the control magnet includes electromagnet, is mounted on
Electromagnet on rigid frame (100), mass body (110) is respectively formed the first electromagnet (160), the second electromagnet (170).
4. dynamic vibration absorber according to claim 3, which is characterized in that multiple first electromagnets (160) are coated on rigidity
The outside of frame (100), in parallel and/or arranged in series between multiple first electromagnets (160).
5. dynamic vibration absorber according to claim 1, which is characterized in that the mass body (110) includes following any
Or appoint various structures:
-- ferromagnet；
-- permanent magnet；
-- magnetizer；
-- non-magnetizer.
6. dynamic vibration absorber according to claim 2, which is characterized in that be fastenedly connected on mass body (110) or one at
Type has block (180), and multiple blocks (180) are distributed on the outer peripheral surface of mass body (110)；
There are runner gap (190) between block (180) and rigid frame (100) inner wall, the runner gap (190) is used for magnetic
Rheological fluid (150) passes through.
7. dynamic vibration absorber according to claim 1, which is characterized in that mass body is provided with through-hole runner in (110)
(200), all connection, part are connected to or are not connected between multiple through-hole runners (200).
8. dynamic vibration absorber according to claim 2, which is characterized in that mass body (110) contains rigid bodies (210)
With embedded permanent magnet (220),
External permanent magnet (230) are provided on rigid frame (100) as control magnet.
9. the dynamic vibration absorber according to any one of claim 2,3,4,6,8, which is characterized in that in control magnet effect
Under, the magnetic-particle in magnetic rheological liquid (150) is assembled, composition be connected to rigid frame (100) and mass body (110) it
Between shaft.
10. a kind of bump leveller group system, which is characterized in that comprising described in controlled device (240) and any one of claim 1 to 9
Dynamic vibration absorber, one or more dynamic vibration absorbers are mounted on controlled device (240).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821168536.4U CN208764222U (en) | 2018-07-23 | 2018-07-23 | Dynamic vibration absorber and bump leveller group system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821168536.4U CN208764222U (en) | 2018-07-23 | 2018-07-23 | Dynamic vibration absorber and bump leveller group system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208764222U true CN208764222U (en) | 2019-04-19 |
Family
ID=66129124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821168536.4U Withdrawn - After Issue CN208764222U (en) | 2018-07-23 | 2018-07-23 | Dynamic vibration absorber and bump leveller group system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208764222U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799394A (en) * | 2018-07-23 | 2018-11-13 | 上海交通大学 | Dynamic vibration absorber and bump leveller group's system |
-
2018
- 2018-07-23 CN CN201821168536.4U patent/CN208764222U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799394A (en) * | 2018-07-23 | 2018-11-13 | 上海交通大学 | Dynamic vibration absorber and bump leveller group's system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190419 Effective date of abandoning: 20200221 |