CN104179879A - Circular sleeve type phononic crystal vibration isolator - Google Patents
Circular sleeve type phononic crystal vibration isolator Download PDFInfo
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- CN104179879A CN104179879A CN201410366130.7A CN201410366130A CN104179879A CN 104179879 A CN104179879 A CN 104179879A CN 201410366130 A CN201410366130 A CN 201410366130A CN 104179879 A CN104179879 A CN 104179879A
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- 239000013078 crystal Substances 0.000 title claims abstract description 96
- 238000002955 isolation Methods 0.000 claims abstract description 142
- 239000000463 material Substances 0.000 claims abstract description 10
- 230000000712 assembly Effects 0.000 claims description 12
- 238000000429 assembly Methods 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims description 2
- 239000003822 epoxy resin Substances 0.000 claims description 2
- 229920000647 polyepoxide Polymers 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 11
- 230000000737 periodic effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000009365 direct transmission Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
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- Vibration Prevention Devices (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Abstract
The invention relates to a vibration isolator, particularly to a circular sleeve type phononic crystal vibration isolator, and aims to solve problems that existing circular sleeve type phononic crystal vibration isolators are smaller in periodicity of periodic materials, worse in vibration isolation effect and limited in working space. The vibration isolator comprises a vibration input end cover, a vibration output end cover, a first-level Bragg scattering phononic crystal vibration-isolation assembly, a second-level Bragg scattering phononic crystal vibration-isolation assembly and a third-level Bragg scattering phononic crystal vibration-isolation assembly, wherein the vibration input end cover covers and is integrally connected with a first-level vibration-isolation sleeve; the second-level Bragg scattering phononic crystal vibration-isolation assembly is inserted in and integrally connected with the first-level vibration-isolation sleeve; the third-level Bragg scattering phononic crystal vibration-isolation assembly is inserted in and integrally connected with a second-level vibration-isolation sleeve; the vibration output end cover covers and is integrally connected with a third-level vibration-isolation sleeve. The vibration isolator can isolate vibration.
Description
Technical field
What the present invention relates to is a kind of vibration isolator, belongs to vibration insulation and noise reduction technical field.
Background technique
In mechanical industry and other industrial departments, all exist various vibration problems, wherein many vibrations are all nuisance vibrations, and excessive vibration and the noise causing because of vibration, pollute the environment, and infringement people's is healthy.
Vibration isolation is a most widely used damping technology in vibration control, refer to and between vibration source and system, take certain measure, settle suitable vibration isolation equipment to carry out the direct transmission of separating vibration, viewpoint from energy, vibration isolation is to change the energy frequency spectrum structure of vibration source to system incentive, with the energy reducing by frequency, suppresses vibration.
A key character of phonon crystal is that it has acoustic band gap, functional material or the structure with periodic structure and elastic wave band gap properties that phonon crystal is comprised of two or more Elastic medium.When elastic wave is propagated in phonon crystal, be subject to the effect of its intercycle structure, form special band gap.The elastic wave propagation of band gap frequency range is suppressed, so phonon crystal has broad application prospects in vibration isolation field.
The periodicity of the cycle material that the circular sleeve formula phonon crystal vibration isolator using at present reaches under certain whole geometry size is less, and the vibration isolating effect in band gap is poor, is not suitable for the environment of the restricted exigent vibration isolating effect again of working space.
Summary of the invention
The present invention is less for solving the periodicity of cycle material of current circular sleeve formula phonon crystal vibration isolator, and vibration isolating effect is poor, the restricted problem of working space, and then a kind of circular sleeve formula phonon crystal vibration isolator is provided.
The present invention solves the problems of the technologies described above the technological scheme of taking to be: a kind of circular sleeve formula phonon crystal vibration isolator involving vibrations input end cap of the present invention, vibration output end cap, one-level Bragg diffraction type phonon crystal vibration isolation assembly, secondary Bragg scatter-type phonon crystal vibration isolation assembly and three grades of Bragg diffraction type phonon crystal vibration isolation assemblies;
One-level Bragg diffraction type phonon crystal vibration isolation assembly comprises one-level vibration isolation sleeve and a plurality of one-level vibration isolation phonon crystal scatterer, in the uniform circular port being packed on one-level vibration isolation sleeve of a plurality of one-level vibration isolation phonon crystal scatterer cycles;
Secondary Bragg scatter-type phonon crystal vibration isolation assembly comprises secondary vibration isolation sleeve and a plurality of secondary vibration isolation phonon crystal scatterer, in the uniform circular port being packed on secondary vibration isolation sleeve of a plurality of secondary vibration isolation phonon crystal scatterer cycles;
Three grades of Bragg diffraction type phonon crystal vibration isolation assemblies comprise three grades of vibration isolation sleeves and a plurality of three grades of vibration isolation phonon crystal scatterers, uniform being packed in three grades of circular ports on vibration isolation sleeve of a plurality of three grades of vibration isolation phonon crystal scatterer cycles;
Vibration input end cap covers on one-level vibration isolation sleeve and the two connects as one, secondary Bragg scatter-type phonon crystal vibration isolation assembly inserts in one-level vibration isolation sleeve and the two connects as one, three grades of Bragg diffraction type phonon crystal vibration isolation assemblies insert in secondary vibration isolation sleeves and the two connects as one, and vibration output end cap covers on three grades of vibration isolation sleeves and the two connects as one.
The invention has the beneficial effects as follows: 1, the present invention is optimized layout to Bragg diffraction type phonon crystal vibration isolation assembly, under the fixing constraint conditio of the physical dimension of vibration isolator short transverse, by the structural type of three grades of vibration isolation, increased the periodicity of vibration isolation unit.Because the vibration isolating effect of phonon crystal structure is relevant with periodicity, the vibration isolating effect in band gap reduces vibration 50dB after reaching one-level vibration isolation, reduces vibration 80dB after secondary vibration isolation, reduces vibration 100dB after three grades of vibration isolation.Vibration isolating effect is along with the increase of periodicity presents the feature of non-linear increase, and the vibration isolating effect of whole vibration isolation assembly is relevant with the concrete structure size of vibration isolation assembly.2, overall structure of the present invention is simple, be not subject to working space restricted, the present invention can realize the vibration of circular sleeve axial direction and circumferentially three grades of vibration isolation of torsional vibration both direction, using scope is comparatively extensive, applicable to various platform structures such as various precision type instrument support platforms, vibration-isolating platforms.
Accompanying drawing explanation
Fig. 1 is the perspective view of a kind of circular sleeve formula phonon crystal vibration isolator of the present invention, and Fig. 2 is the blast structural representation of Fig. 1.
Embodiment
Embodiment one: in conjunction with Fig. 1-Fig. 2 explanation, a kind of circular sleeve formula phonon crystal vibration isolator involving vibrations input end cap 1, vibration output end cap 8, one-level Bragg diffraction type phonon crystal vibration isolation assembly, secondary Bragg scatter-type phonon crystal vibration isolation assembly and three grades of Bragg diffraction type phonon crystal vibration isolation assemblies of present embodiment;
One-level Bragg diffraction type phonon crystal vibration isolation assembly comprises one-level vibration isolation sleeve 3 and a plurality of one-level vibration isolation phonon crystal scatterer 2, in a plurality of uniform circular ports that are packed on one-level vibration isolation sleeve 3 of one-level vibration isolation phonon crystal 2 cycles of scatterer;
Secondary Bragg scatter-type phonon crystal vibration isolation assembly comprises secondary vibration isolation sleeve 5 and a plurality of secondary vibration isolation phonon crystal scatterer 4, in a plurality of uniform circular ports that are packed on secondary vibration isolation sleeve 5 of secondary vibration isolation phonon crystal 4 cycles of scatterer;
Three grades of Bragg diffraction type phonon crystal vibration isolation assemblies comprise three grades of vibration isolation sleeves 7 and a plurality of three grades of vibration isolation phonon crystal scatterers 6, uniform being packed in three grades of circular ports on vibration isolation sleeve 7 of a plurality of three grades of 6 cycles of vibration isolation phonon crystal scatterer;
Vibration input end cap 1 covers on one-level vibration isolation sleeve 3 and the two connects as one, secondary Bragg scatter-type phonon crystal vibration isolation assembly inserts in one-level vibration isolation sleeve 3 and the two connects as one, three grades of Bragg diffraction type phonon crystal vibration isolation assemblies insert in secondary vibration isolation sleeves 5 and the two connects as one, and vibration output end cap 8 covers on three grades of vibration isolation sleeves 7 and the two connects as one.
A plurality of one-level vibration isolation phonon crystal scatterers 2 of present embodiment are consistent with the quantity of the circular port on one-level vibration isolation sleeve 3; A plurality of secondary vibration isolation phonon crystal scatterers 4 are consistent with the quantity of circular port on secondary vibration isolation sleeve 5; A plurality of three grades of vibration isolation phonon crystal scatterers 6 are consistent with the quantity of circular port on three grades of vibration isolation sleeves 7;
Circular port on the one-level vibration isolation sleeve of present embodiment, secondary vibration isolation sleeve and three grades of vibration isolation sleeves refers to the circular port of arranging on the plate face of sleeve expansion.A plurality of one-level vibration isolation phonon crystal scatterers 2, a plurality of secondary vibration isolation phonon crystal scatterer 4 and a plurality of three grades of vibration isolation phonon crystal scatterers 6 can be full of corresponding manhole separately and arrange.
Embodiment two: in conjunction with Fig. 1 explanation, the vibration input end cap 1 of present embodiment covers on one-level vibration isolation sleeve 3 and the two splicing is integrated, secondary Bragg scatter-type phonon crystal vibration isolation assembly inserts in one-level vibration isolation sleeve 3 and the two splicing is integrated, three grades of Bragg diffraction type phonon crystal vibration isolation assemblies insert in secondary vibration isolation sleeves 5 and the two splicing is integrated, and vibration output end cap 8 covers on three grades of vibration isolation sleeves 7 and the two splicing is integrated.So arrange, easy to connect reliable, easy to use.Other is identical with embodiment one.
Embodiment three: in conjunction with Fig. 2 explanation, the one-level vibration isolation phonon crystal scatterer 2 of present embodiment, secondary vibration isolation phonon crystal scatterer 4 and three grades of vibration isolation phonon crystal scatterers 6 are the circular arc thin slice with manhole matches separately.So arrange, in the time of convenient processing, the periodicity of cycle material scattering body also increases greatly, and the vibration isolating effect in band gap significantly improves.Other is identical with embodiment one or two.
Embodiment four: in conjunction with Fig. 2 explanation, the one-level vibration isolation phonon crystal scatterer 2 of present embodiment, secondary vibration isolation phonon crystal scatterer 4 and three grades of vibration isolation phonon crystal scatterers 6 are made by lead or Steel material.Other is identical with embodiment three.
Embodiment five: in conjunction with Fig. 2 explanation, the one-level vibration isolation sleeve 3 of present embodiment, secondary vibration isolation sleeve 5 and three grades of vibration isolation sleeves 7 are made by aluminium or epoxide resin material.Other is identical with embodiment one, two or four.
Embodiment six: in conjunction with Fig. 2 explanation, be processed with respectively tapped hole 9 on the described vibration input end cap 1 of present embodiment and vibration output end cap 8.So arrange, being convenient to realize with the external world needs the part of vibration isolation processing or being connected of structure.Other is identical with embodiment five.
Working procedure
The present invention can realize vibration and the circumferentially torsional vibration of circular sleeve axial direction, by vibration, input end cap 1 input, owing to there being the band gap effect of the Bragg diffraction type phonon crystal of pretightening force, this vibration excitation is decayed in certain frequency band range phonon crystal vibration band gap, through one-level Bragg diffraction type phonon crystal vibration isolation assembly, secondary Bragg scatter-type phonon crystal vibration isolation assembly, after the vibration attenuation of three grades of Bragg diffraction type phonon crystal vibration isolation assemblies, by vibration, exporting end cap 8 spreads out of this vibration, thereby by extending the periodicity of cycle material, realized the function of three grades of vibration isolation.
Claims (6)
1. a circular sleeve formula phonon crystal vibration isolator, is characterized in that: its involving vibrations input end cap (1), vibration output end cap (8), one-level Bragg diffraction type phonon crystal vibration isolation assembly, secondary Bragg scatter-type phonon crystal vibration isolation assembly and three grades of Bragg diffraction type phonon crystal vibration isolation assemblies;
One-level Bragg diffraction type phonon crystal vibration isolation assembly comprises one-level vibration isolation sleeve (3) and a plurality of one-level vibration isolation phonon crystal scatterers (2), in a plurality of uniform circular ports that are packed on one-level vibration isolation sleeve (3) of one-level vibration isolation phonon crystal scatterer (2) cycle;
Secondary Bragg scatter-type phonon crystal vibration isolation assembly comprises secondary vibration isolation sleeve (5) and a plurality of secondary vibration isolation phonon crystal scatterers (4), in a plurality of uniform circular ports that are packed on secondary vibration isolation sleeve (5) of secondary vibration isolation phonon crystal scatterer (4) cycle;
Three grades of Bragg diffraction type phonon crystal vibration isolation assemblies comprise three grades of vibration isolation sleeves (7) and a plurality of three grades of vibration isolation phonon crystal scatterers (6), in a plurality of uniform circular ports that are packed on three grades of vibration isolation sleeves (7) of three grades of vibration isolation phonon crystal scatterer (6) cycles;
Vibration input end cap (1) cover upper at one-level vibration isolation sleeve (3) and the two connect as one, secondary Bragg scatter-type phonon crystal vibration isolation assembly inserts in one-level vibration isolation sleeve (3) and the two connects as one, three grades of Bragg diffraction type phonon crystal vibration isolation assemblies insert in secondary vibration isolation sleeves (5) and the two connects as one, vibration output end cap (8) cover upper at three grades of vibration isolation sleeves (7) and the two connect as one.
2. a kind of circular sleeve formula phonon crystal vibration isolator according to claim 1, it is characterized in that: vibration input end cap (1) covers on one-level vibration isolation sleeve (3) and the two splicing is integrated, secondary Bragg scatter-type phonon crystal vibration isolation assembly inserts in one-level vibration isolation sleeve (3) and the two splicing is integrated, three grades of Bragg diffraction type phonon crystal vibration isolation assemblies insert in secondary vibration isolation sleeves (5) and the two splicing is integrated, and vibration output end cap (8) covers and the two splicing upper at three grades of vibration isolation sleeves (7) and is integrated.
3. a kind of circular sleeve formula phonon crystal vibration isolator according to claim 1 and 2, is characterized in that: one-level vibration isolation phonon crystal scatterer (2), secondary vibration isolation phonon crystal scatterer (4) and three grades of vibration isolation phonon crystal scatterers (6) are the circular arc thin slice with manhole matches separately.
4. a kind of circular sleeve formula phonon crystal vibration isolator according to claim 3, is characterized in that: one-level vibration isolation phonon crystal scatterer (2), secondary vibration isolation phonon crystal scatterer (4) and three grades of vibration isolation phonon crystal scatterers (6) are made by lead or Steel material.
5. according to a kind of circular sleeve formula phonon crystal vibration isolator described in claim 1,2 or 4, it is characterized in that: one-level vibration isolation sleeve (3), secondary vibration isolation sleeve (5) and three grades of vibration isolation sleeves (7) are made by aluminium or epoxide resin material.
6. a kind of circular sleeve formula phonon crystal vibration isolator according to claim 5, is characterized in that: on described vibration input end cap (1) and vibration output end cap (8), be processed with respectively tapped hole (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410366130.7A CN104179879B (en) | 2014-07-29 | 2014-07-29 | A kind of circular sleeve formula phonon crystal vibration isolator |
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| CN201410366130.7A CN104179879B (en) | 2014-07-29 | 2014-07-29 | A kind of circular sleeve formula phonon crystal vibration isolator |
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| CN104179879A true CN104179879A (en) | 2014-12-03 |
| CN104179879B CN104179879B (en) | 2016-05-18 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104876162A (en) * | 2015-04-22 | 2015-09-02 | 江苏高精机电装备有限公司 | Connecting member device used for suppressing low-frequency noise |
| CN107542827A (en) * | 2017-10-17 | 2018-01-05 | 吉林大学 | A kind of composite construction phonon crystal vibration isolating suspension |
| CN108356301A (en) * | 2018-04-17 | 2018-08-03 | 山东大学 | A kind of scatter-type periodic structure damping vibration attenuation turning tool rod |
| CN108611957A (en) * | 2018-04-09 | 2018-10-02 | 东南大学 | A kind of period composite construction box beam |
| CN108643024A (en) * | 2018-04-09 | 2018-10-12 | 东南大学 | A kind of period composite construction setback plate |
| CN108662081A (en) * | 2018-04-16 | 2018-10-16 | 哈尔滨工程大学 | Three-dimensional phonon crystal vibration absorber based on pressing force formula |
| CN108729367A (en) * | 2018-04-26 | 2018-11-02 | 华东交通大学 | A kind of compound noise barrier structure based on phonon crystal |
| CN108859594A (en) * | 2018-04-26 | 2018-11-23 | 华东交通大学 | A kind of High Speed Railway Trains wheel vibration absorber based on phonon crystal |
| CN110566618A (en) * | 2019-08-26 | 2019-12-13 | 上海宇航系统工程研究所 | Phononic crystal vibration isolation device |
| CN114776763A (en) * | 2022-04-28 | 2022-07-22 | 江苏科技大学 | Column shell type local resonance phononic crystal vibration reduction structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2785091Y (en) * | 2004-12-21 | 2006-05-31 | 广东工业大学 | Two-dimension phonon crystal sound insulation structure |
| CN101763852A (en) * | 2009-12-31 | 2010-06-30 | 中国船舶重工集团公司第七二五研究所 | Seamless-molding preparation method of scatterer for sonic crystal |
| CN101800047A (en) * | 2009-12-31 | 2010-08-11 | 中国船舶重工集团公司第七二五研究所 | Method for preparing three-component phononic crystal by using scattering objects |
| CN102022222A (en) * | 2010-12-08 | 2011-04-20 | 中国商用飞机有限责任公司 | Silencer |
| US20140170392A1 (en) * | 2012-12-19 | 2014-06-19 | Elwha Llc | Multi-layer phononic crystal thermal insulators |
-
2014
- 2014-07-29 CN CN201410366130.7A patent/CN104179879B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2785091Y (en) * | 2004-12-21 | 2006-05-31 | 广东工业大学 | Two-dimension phonon crystal sound insulation structure |
| CN101763852A (en) * | 2009-12-31 | 2010-06-30 | 中国船舶重工集团公司第七二五研究所 | Seamless-molding preparation method of scatterer for sonic crystal |
| CN101800047A (en) * | 2009-12-31 | 2010-08-11 | 中国船舶重工集团公司第七二五研究所 | Method for preparing three-component phononic crystal by using scattering objects |
| CN102022222A (en) * | 2010-12-08 | 2011-04-20 | 中国商用飞机有限责任公司 | Silencer |
| US20140170392A1 (en) * | 2012-12-19 | 2014-06-19 | Elwha Llc | Multi-layer phononic crystal thermal insulators |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104876162A (en) * | 2015-04-22 | 2015-09-02 | 江苏高精机电装备有限公司 | Connecting member device used for suppressing low-frequency noise |
| CN104876162B (en) * | 2015-04-22 | 2017-03-01 | 江苏高精机电装备有限公司 | A kind of connecting elements device for suppressing low-frequency noise |
| CN107542827A (en) * | 2017-10-17 | 2018-01-05 | 吉林大学 | A kind of composite construction phonon crystal vibration isolating suspension |
| CN107542827B (en) * | 2017-10-17 | 2019-04-05 | 吉林大学 | A kind of composite construction phonon crystal vibration isolating suspension |
| CN108611957A (en) * | 2018-04-09 | 2018-10-02 | 东南大学 | A kind of period composite construction box beam |
| CN108643024A (en) * | 2018-04-09 | 2018-10-12 | 东南大学 | A kind of period composite construction setback plate |
| CN108662081A (en) * | 2018-04-16 | 2018-10-16 | 哈尔滨工程大学 | Three-dimensional phonon crystal vibration absorber based on pressing force formula |
| CN108356301A (en) * | 2018-04-17 | 2018-08-03 | 山东大学 | A kind of scatter-type periodic structure damping vibration attenuation turning tool rod |
| CN108729367A (en) * | 2018-04-26 | 2018-11-02 | 华东交通大学 | A kind of compound noise barrier structure based on phonon crystal |
| CN108859594A (en) * | 2018-04-26 | 2018-11-23 | 华东交通大学 | A kind of High Speed Railway Trains wheel vibration absorber based on phonon crystal |
| CN108729367B (en) * | 2018-04-26 | 2020-12-04 | 华东交通大学 | Compound sound barrier structure based on phononic crystal |
| CN108859594B (en) * | 2018-04-26 | 2021-09-28 | 华东交通大学 | High-speed railway train wheel bump leveller based on phononic crystal |
| CN110566618A (en) * | 2019-08-26 | 2019-12-13 | 上海宇航系统工程研究所 | Phononic crystal vibration isolation device |
| CN114776763A (en) * | 2022-04-28 | 2022-07-22 | 江苏科技大学 | Column shell type local resonance phononic crystal vibration reduction structure |
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| CN104179879B (en) | 2016-05-18 |
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