CN205479069U - Box three -dimensional isolator based on local resonance phonon crystal - Google Patents
Box three -dimensional isolator based on local resonance phonon crystal Download PDFInfo
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- CN205479069U CN205479069U CN201620027010.9U CN201620027010U CN205479069U CN 205479069 U CN205479069 U CN 205479069U CN 201620027010 U CN201620027010 U CN 201620027010U CN 205479069 U CN205479069 U CN 205479069U
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Abstract
The utility model provides a box three -dimensional isolator based on local resonance phonon crystal, includes local resonance phonon crystal slab, load keysets and vibration source keysets, the quantity of local resonance phonon crystal slab be six, square isolators are constituteed to six locals resonance phonon crystal slabs, through the connecting plate connection between the adjacent local resonance phonon crystal slab, local resonance phonon crystal slab on be provided with evenly distributed's oscillator, the oscillator be circular protruding form, local resonance phonon crystal slab on still be provided with the through -hole, the through -hole setting at the adjacent interval of oscillator, load keysets and stand fixed connection, the stand setting in the inside of local resonance phonon crystal slab to the outstanding local resonance phonon crystal slab of one end is connected with the load keysets, and all issues of solving one -dimensional phonon crystal phonon isolator cycle material are less, and the vibration isolation effect is relatively poor, and working space receives restriction and the narrower problem of vibration isolation frequency range.
Description
Technical field
This utility model relates to vibration isolator technical field, is exactly specifically a kind of box three-way vibration isolating device based on locally resonant phonon crystal.
Background technology
People in terms of the research of photonic crystal achieved with major progress, analogy in view of phonon crystal Yu photonic crystal, the key character learning phonon crystal is its acoustic band gap, is i.e. had periodic structure and the functional material of elastic wave band gaps characteristic or structure at phonon crystal by what two or more elastic fluid formed.When elastic wave is propagated in phonon crystal, being acted on by its intercycle structure, form special dispersion relation (also referred to as band structure), the frequency range between dispersion relation curve is referred to as band gap, and in theory, the elastic wave propagation of bandgap frequency scope is suppressed.Therefore phonon crystal has a wide range of applications in vibration insulation and noise reduction field.
The periodicity of the cycle material that currently used one-dimensional phonon crystal vibration isolator is reached when certain whole geometry size and fixing lattice paprmeter is less, vibration isolating effect in band gap is poor, want to obtain preferable vibration isolating effect, the whole geometry size needed is relatively big, is not suitable for the environment of the most exigent vibration isolating effect of limited working space system.
Summary of the invention
The purpose of this utility model is to provide a kind of box three-way vibration isolating device based on locally resonant phonon crystal, the periodicity solving one-dimensional phonon crystal phonon vibration isolator cycle material is less, vibration isolating effect is poor, limited working space system and the narrower problem of isolation frequency scope.
nullThe technical scheme in the invention for solving the technical problem is: a kind of box three-way vibration isolating device based on locally resonant phonon crystal，Including locally resonant phonon crystal plate、Load keyset and vibration source keyset，The quantity of described locally resonant phonon crystal plate is six，Six locally resonant phonon crystal plates form square vibration isolator，Connected by connecting plate between adjacent locally resonant phonon crystal plate，It is provided with equally distributed oscillator on described locally resonant phonon crystal plate，Described oscillator is circular protrusions shape，It is additionally provided with through hole on described locally resonant phonon crystal plate，Described through hole is arranged at the adjacent spaces of oscillator，Described load keyset is fixing with column to be connected，Described column is arranged on the inside of locally resonant phonon crystal plate，And one end highlights locally resonant phonon crystal plate and is connected with load keyset，The bottom of described locally resonant phonon crystal plate connects vibration source keyset by connecting plate.
As optimization, described oscillator is divided into two-layer, and internal layer is steel or lead material, and outer layer is soft rubber material.
As optimization, being connected by connecting plate between described vibration source keyset with locally resonant phonon crystal plate, described locally resonant phonon crystal plate end welding lengthened plate welds with connecting plate again.
As optimization, described column is four, and described load keyset is provided with the circular hole corresponding with column.
As optimization, inside and outside described locally resonant phonon crystal plate, face is provided with oscillator.
The beneficial effects of the utility model are: compared with prior art, a kind of box three-way vibration isolating device based on locally resonant phonon crystal of the present utility model, this vibration isolator is three-phase vibration isolator, it is achieved three direction vibration isolation, and the periodicity of the cycle material of phonon crystal vibration isolator is bigger, vibration isolating effect is good, not limited by work space, isolation frequency is wider, and novel in design, simple in construction, easy to use.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model；
Fig. 2 is axonometric chart of the present utility model；
Wherein, 1 load keyset, 2 vibration source keysets, 3 oscillators, 4 lengthened plates, 5 columns, 6 locally resonant phonon crystal plates, 7 connecting plates, 8 through holes.
Detailed description of the invention
nullAs shown in Figure 1-2 in embodiment，A kind of box three-way vibration isolating device based on locally resonant phonon crystal，Including locally resonant phonon crystal plate 6、Load keyset 1 and vibration source keyset 2，The quantity of locally resonant phonon crystal plate 6 is six，Six locally resonant phonon crystal plates 6 form square vibration isolator，Connected by connecting plate 7 between adjacent locally resonant phonon crystal plate 6，Equally distributed oscillator 3 it is provided with on locally resonant phonon crystal plate 6，Oscillator 3 is circular protrusions shape，It is additionally provided with through hole 8 on locally resonant phonon crystal plate 6，Through hole 8 is arranged at the adjacent spaces of oscillator 3，Load keyset 1 is fixing with column 5 to be connected，Column 5 is arranged on the inside of locally resonant phonon crystal plate 6，And one end highlights locally resonant phonon crystal plate 6 and is connected with load keyset 1，The bottom of locally resonant phonon crystal plate 6 connects vibration source keyset 2 by connecting plate 7.
Oscillator 3 is divided into two-layer, and internal layer is steel or lead material, and outer layer is soft rubber material.
Being connected by connecting plate 7 between vibration source keyset 2 with locally resonant phonon crystal plate 6, locally resonant phonon crystal plate 6 end welding lengthened plate 4 welds with connecting plate 7 again.
Column 5 is four, and load keyset 1 is provided with the circular hole corresponding with column 5.
Inside and outside locally resonant phonon crystal plate 6, face is provided with oscillator 3.
Vibration isolator of the present utility model is box three-phase vibration isolator, it is achieved the function in three directions, owing to adding the periodicity of cycle material in one-dimensional phonon crystal, so the vibration isolating effect in band gap significantly improves.
Above-mentioned detailed description of the invention is only concrete case of the present utility model; scope of patent protection of the present utility model includes but not limited to product form and the style of above-mentioned detailed description of the invention; any a kind of based on locally resonant phonon crystal box three-way vibration isolating device meeting this utility model claims and any person of an ordinary skill in the technical field are suitably changed what it did or modify, and all should fall into scope of patent protection of the present utility model.
Claims (5)
- null1. a box three-way vibration isolating device based on locally resonant phonon crystal，Including locally resonant phonon crystal plate (6)、Load keyset (1) and vibration source keyset (2)，It is characterized in that: the quantity of described locally resonant phonon crystal plate (6) is six，Six locally resonant phonon crystal plate (6) form square vibration isolator，Connected by connecting plate (7) between adjacent locally resonant phonon crystal plate (6)，It is provided with equally distributed oscillator (3) on described locally resonant phonon crystal plate (6)，Described oscillator (3) is circular protrusions shape，It is additionally provided with through hole (8) on described locally resonant phonon crystal plate (6)，Described through hole (8) is arranged at the adjacent spaces of oscillator (3)，Described load keyset (1) is fixing with column (5) to be connected，Described column (5) is arranged on the inside of locally resonant phonon crystal plate (6)，And one end highlights locally resonant phonon crystal plate (6) and is connected with load keyset (1)，The bottom of described locally resonant phonon crystal plate (6) connects vibration source keyset (2) by connecting plate (7).
- A kind of box three-way vibration isolating device based on locally resonant phonon crystal the most according to claim 1, it is characterised in that: described oscillator (3) is divided into two-layer, and internal layer is steel or lead material, and outer layer is soft rubber material.
- A kind of box three-way vibration isolating device based on locally resonant phonon crystal the most according to claim 1, it is characterized in that: be connected by connecting plate (7) between described vibration source keyset (2) and locally resonant phonon crystal plate (6), described locally resonant phonon crystal plate (6) end welding lengthened plate (4) welds with connecting plate (7) again.
- A kind of box three-way vibration isolating device based on locally resonant phonon crystal the most according to claim 1, it is characterised in that: described column (5) is four, and described load keyset (1) is provided with the circular hole corresponding with column (5).
- A kind of box three-way vibration isolating device based on locally resonant phonon crystal the most according to claim 1, it is characterised in that: inside and outside described locally resonant phonon crystal plate (6), face is provided with oscillator (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620027010.9U CN205479069U (en) | 2016-01-13 | 2016-01-13 | Box three -dimensional isolator based on local resonance phonon crystal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620027010.9U CN205479069U (en) | 2016-01-13 | 2016-01-13 | Box three -dimensional isolator based on local resonance phonon crystal |
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| CN201620027010.9U Expired - Fee Related CN205479069U (en) | 2016-01-13 | 2016-01-13 | Box three -dimensional isolator based on local resonance phonon crystal |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106228969A (en) * | 2016-09-19 | 2016-12-14 | 四川大学 | A kind of three-dimensional locally resonant photonic crystal structure and preparation method |
| CN106416882A (en) * | 2016-09-18 | 2017-02-22 | 国网江西省电力公司电力科学研究院 | Noise reduction green belt constructed with photonic crystal |
| CN106523580A (en) * | 2016-11-16 | 2017-03-22 | 温州大学 | Magnetorheological photonic crystal vibration reducing device, vibration reducing device and vibration reducing method |
| CN107503248A (en) * | 2017-08-29 | 2017-12-22 | 西南交通大学 | A kind of rail underlayer and damper rail |
| CN108036017A (en) * | 2017-12-07 | 2018-05-15 | 上海宇航系统工程研究所 | Multimode locally resonant type phonon crystal vibration isolator |
| CN108053819A (en) * | 2018-01-15 | 2018-05-18 | 中国空间技术研究院 | Vibration-proof structure |
| 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 |
| CN108691938A (en) * | 2018-04-24 | 2018-10-23 | 清华大学 | A kind of oscillation damping method, system and vibration absorber for low-frequency elastic wave |
| CN108999101A (en) * | 2018-08-28 | 2018-12-14 | 华东交通大学 | A kind of box beam bump leveller based on deficiency phonon crystal |
| CN109322954A (en) * | 2018-11-29 | 2019-02-12 | 北京强度环境研究所 | A kind of three-dimensional vibration damping impact-reducing integrated apparatus and its application method |
| CN110439949A (en) * | 2019-09-03 | 2019-11-12 | 东南大学 | A kind of periodic structure with nonlinear energy trap |
| CN111028820A (en) * | 2019-11-14 | 2020-04-17 | 南京航空航天大学 | Multilayer structure trompil formula phononic crystal board |
| CN113525200A (en) * | 2020-04-17 | 2021-10-22 | 陕西汽车集团有限责任公司 | Vice seat of driving of commercial car |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106416882A (en) * | 2016-09-18 | 2017-02-22 | 国网江西省电力公司电力科学研究院 | Noise reduction green belt constructed with photonic crystal |
| CN106416882B (en) * | 2016-09-18 | 2022-05-10 | 国网江西省电力公司电力科学研究院 | Noise reduction green belt adopting phononic crystal structure |
| CN106228969A (en) * | 2016-09-19 | 2016-12-14 | 四川大学 | A kind of three-dimensional locally resonant photonic crystal structure and preparation method |
| CN106523580A (en) * | 2016-11-16 | 2017-03-22 | 温州大学 | Magnetorheological photonic crystal vibration reducing device, vibration reducing device and vibration reducing method |
| CN106523580B (en) * | 2016-11-16 | 2019-03-05 | 温州大学 | Magnetorheological phonon crystal vibration absorber, vibration-proof structure and oscillation damping method |
| CN107503248A (en) * | 2017-08-29 | 2017-12-22 | 西南交通大学 | A kind of rail underlayer and damper rail |
| CN108036017A (en) * | 2017-12-07 | 2018-05-15 | 上海宇航系统工程研究所 | Multimode locally resonant type phonon crystal vibration isolator |
| CN108036017B (en) * | 2017-12-07 | 2019-10-18 | 上海宇航系统工程研究所 | Multimode locally resonant type phonon crystal vibration isolator |
| CN108053819A (en) * | 2018-01-15 | 2018-05-18 | 中国空间技术研究院 | Vibration-proof structure |
| CN108053819B (en) * | 2018-01-15 | 2024-05-14 | 中国空间技术研究院 | Vibration damping structure |
| 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 |
| CN108691938A (en) * | 2018-04-24 | 2018-10-23 | 清华大学 | A kind of oscillation damping method, system and vibration absorber for low-frequency elastic wave |
| CN108691938B (en) * | 2018-04-24 | 2019-07-23 | 清华大学 | It is a kind of for the oscillation damping method of low-frequency elastic wave, system and vibration absorber |
| CN108999101A (en) * | 2018-08-28 | 2018-12-14 | 华东交通大学 | A kind of box beam bump leveller based on deficiency phonon crystal |
| CN108999101B (en) * | 2018-08-28 | 2020-12-04 | 华东交通大学 | Box girder vibration absorber based on defective phononic crystal |
| CN109322954A (en) * | 2018-11-29 | 2019-02-12 | 北京强度环境研究所 | A kind of three-dimensional vibration damping impact-reducing integrated apparatus and its application method |
| CN110439949A (en) * | 2019-09-03 | 2019-11-12 | 东南大学 | A kind of periodic structure with nonlinear energy trap |
| CN111028820A (en) * | 2019-11-14 | 2020-04-17 | 南京航空航天大学 | Multilayer structure trompil formula phononic crystal board |
| CN113525200A (en) * | 2020-04-17 | 2021-10-22 | 陕西汽车集团有限责任公司 | Vice seat of driving of commercial car |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20170113 |
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| CF01 | Termination of patent right due to non-payment of annual fee |