CN104141720A - Square grid plate with vibration isolation characteristic - Google Patents
Square grid plate with vibration isolation characteristic Download PDFInfo
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- CN104141720A CN104141720A CN201410366127.5A CN201410366127A CN104141720A CN 104141720 A CN104141720 A CN 104141720A CN 201410366127 A CN201410366127 A CN 201410366127A CN 104141720 A CN104141720 A CN 104141720A
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Abstract
The invention relates to grid plates with the vibration isolation characteristic, in particular to a square grid plate with the vibration isolation characteristic. The square grid plate with the vibration isolation characteristic aims to solve the problem that an existing grid plate of a honeycomb structure does not have the vibration isolation and sound isolation functions. The square grid plate with the vibration isolation characteristic comprises an upper skin, a locally resonant type photonic crystal vibration isolation assembly and a lower skin; the upper skin is arranged above the lower skin; the locally resonant type photonic crystal vibration isolation assembly connected with the upper skin and the lower skin in a gluing mode is arranged between the upper skin and the lower skin; the locally resonant type photonic crystal vibration isolation assembly is composed of a plurality of locally resonant type photonic crystal units which are evenly distributed in the transverse direction and the longitudinal direction periodically; the adjacent locally resonant type photonic crystal units are connected through glue; each locally resonant type photonic crystal unit is of a regular prism structure with local oscillators on side faces; each local oscillator is of an annular structure with the inner layer and the outer layer connected into a whole through glue; the local oscillators are connected on a locally resonant type photonic crystal vibration isolation regular prism framework base body through glue. The square grid plate with the vibration isolation characteristic is used for vibration isolation and sound isolation.
Description
Technical field
The present invention relates to a kind of vibration isolation plate with isolation characteristics, belong to vibration insulation and noise reduction technical field.
Background technique
All exist various vibration problems in mechanical industry and other industrial departments, vibration isolation (abbreviation vibration isolation) is a most widely used damping technology in vibration control, its essence is an additional subtense angle (vibration isolator) between vibration source and system, from the viewpoint of energy, vibration isolation is to change the energy frequency spectrum structure of vibration source to system incentive, suppresses vibration to reduce by the energy of frequency.A key character of phonon crystal is its acoustic band gap, functional material or the structure with periodic structure and elastic wave band gap properties that are made up of two or more Elastic medium at phonon crystal.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, and therefore phonon crystal has broad application prospects in vibration isolation field.
But the cellular structure Turbogrid plates that use at present do not have vibration isolation, sound insulation property, can not realize the function of vibration insulation and noise reduction.
Summary of the invention
The present invention does not have the problem of vibration isolation, sound insulation property for solving current cellular structure Turbogrid plates, and then a kind of square grid plate with isolation characteristics is provided.
The present invention solves the problems of the technologies described above the technological scheme of taking to be: a kind of square grid plate with isolation characteristics of the present invention comprises covering, local resonance type phonon crystal vibration isolation assembly and lower covering;
Upper covering is arranged in the top of lower covering, between upper covering and lower covering, be furnished with the local resonance type phonon crystal vibration isolation assembly with the two splicing, described local resonance type phonon crystal vibration isolation assembly is by along equally distributed multiple local resonance type phonon crystal cell formations of horizontal and vertical cycle, adjacent local resonance type phonon crystal unit glueds joint, each local resonance type phonon crystal unit is the regular prism structure that each side has local oscillator, local oscillator is the inside and outside double-deck ring structure being integrated of glueing joint, local oscillator is glued on local resonance type vibration isolation phonon crystal regular prism framework matrix.
The invention has the beneficial effects as follows: one, the present invention proposes a kind of square grid plate with vibration isolation, sound insulation property being formed by local resonance type phonon crystal, realized the light-weight design of phonon crystal vibration damping structure, weight saving 60%-80%.Two, the present invention can realize to the vibration on square grid plate four direction and perpendicular to the isolation of the vibration of upper covering or lower covering direction, multidirectional vibration isolation, sound insulation can be realized, the sound insulation device manufacture in the various platform structures such as various precision type instrument support platforms, vibration-isolating platform and building materials of house fitting-up field can be widely used in.
Brief description of the drawings
Fig. 1 is perspective view of the present invention, and Fig. 2 is the blast structural representation of Fig. 1, and Fig. 3 is the perspective view of local resonance type phonon crystal of the present invention unit.
Embodiment
Embodiment one: in conjunction with Fig. 1-Fig. 3 explanation, a kind of square grid plate with isolation characteristics of present embodiment comprises covering 1, local resonance type phonon crystal vibration isolation assembly 2 and lower covering 4;
Upper covering 1 is arranged in the top of lower covering 4, between upper covering 1 and lower covering 4, be furnished with the local resonance type phonon crystal vibration isolation assembly 2 with the two splicing, described local resonance type phonon crystal vibration isolation assembly 2 is by forming along equally distributed multiple local resonance type phonon crystals of horizontal and vertical cycle unit 3, adjacent local resonance type phonon crystal unit 3 glueds joint, each local resonance type phonon crystal unit 3 has the regular prism structure of local oscillator 3-1 for each side, local oscillator 3-1 is the inside and outside double-deck ring structure being integrated of glueing joint, local oscillator 3-1 is glued on local resonance type vibration isolation phonon crystal regular prism framework matrix 3-2.
Embodiment two: in conjunction with Fig. 3 explanation, the local oscillator 3-1 of present embodiment is the inside and outside double-deck regular polygon or the circular ring structure that are integrated of glueing joint.So arrange, simple in structure, reasonable in design, meet actual demand.Other is identical with embodiment one.
Embodiment three: in conjunction with Fig. 3 explanation, the local resonance type vibration isolation phonon crystal regular prism framework matrix 3-2 of present embodiment is square body, positive pentagonal prism or positive six prism framework matrixes.So arrange, simple in structure, meet actual demand.Other is identical with embodiment one or two.
Embodiment four: in conjunction with Fig. 3 explanation, the endothecium structure 3-1-2 of the local oscillator 3-1 of present embodiment is lead or Steel material.Other is identical with embodiment three.
Embodiment five: in conjunction with Fig. 3 explanation, the layer structure 3-1-1 of the local oscillator 3-1 of present embodiment is nitrile rubber material.So arrange, it is higher that nitrile rubber has wear resistance, and heat resistance is better, and the feature that bonding force is strong, meets the design requirements and the actual needs.Other is identical with embodiment one, two or four.
Embodiment six: in conjunction with Fig. 3 explanation, the regular prism framework matrix 5 of the local resonance type vibration isolation phonon crystal of present embodiment is made up of aluminium or epoxy resin.So arrange, aluminium material light weight, cheap and easy to get; Epoxy resin has good physics, chemical property, and it has excellent bonding strength to the surface of metal and nonmetallic material, meets actual demand.Other is identical with embodiment five.
Working procedure
The present invention can realize vibration on square grid plate four direction and the vibration perpendicular to covering direction, input by upper covering 1, owing to there being the band gap effect of local resonance type phonon crystal of pretightening force, this vibration excitation is decayed in certain frequency band range phonon crystal vibration band gap, finally after the vibration attenuation of local resonance type phonon crystal vibration isolation assembly 2, by lower covering 4, this vibration is spread out of, thereby cause the generation of band gap, thereby realized the function of multi-direction vibration isolation sound insulation.
Claims (6)
1. a square grid plate with isolation characteristics, is characterized in that: described Turbogrid plates comprise covering (1), local resonance type phonon crystal vibration isolation assembly (2) and lower covering (4);
Upper covering (1) is arranged in the top of lower covering (4), between upper covering (1) and lower covering (4), be furnished with the local resonance type phonon crystal vibration isolation assembly (2) with the two splicing, described local resonance type phonon crystal vibration isolation assembly (2) is by forming along equally distributed multiple local resonance type phonon crystals unit of horizontal and vertical cycle (3), adjacent local resonance type phonon crystal unit (3) glueds joint, each local resonance type phonon crystal unit (3) has the regular prism structure of local oscillator (3-1) for each side, local oscillator (3-1) is the inside and outside double-deck ring structure being integrated of glueing joint, local oscillator (3-1) is glued on local resonance type vibration isolation phonon crystal regular prism framework matrix (3-2).
2. a kind of square grid plate with isolation characteristics according to claim 1, is characterized in that: local oscillator (3-1) is the inside and outside double-deck regular polygon or the circular ring structure that are integrated of glueing joint.
3. a kind of square grid plate with isolation characteristics according to claim 1 and 2, is characterized in that: local resonance type vibration isolation phonon crystal regular prism framework matrix (3-2) is square body, positive pentagonal prism or positive six prism framework matrixes.
4. a kind of square grid plate with isolation characteristics according to claim 3, is characterized in that: the endothecium structure (3-1-2) of local oscillator (3-1) is lead or Steel material.
5. according to a kind of square grid plate with isolation characteristics described in claim 1,2 or 4, it is characterized in that: the layer structure (3-1-1) of local oscillator (3-1) is nitrile rubber material.
6. a kind of square grid plate with isolation characteristics according to claim 5, is characterized in that: the regular prism framework matrix (5) of local resonance type vibration isolation phonon crystal is made up of aluminium or epoxy resin.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410366127.5A CN104141720B (en) | 2014-07-29 | 2014-07-29 | A kind of square grid plate with isolation characteristics |
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| CN201410366127.5A CN104141720B (en) | 2014-07-29 | 2014-07-29 | A kind of square grid plate with isolation characteristics |
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| CN104141720A true CN104141720A (en) | 2014-11-12 |
| CN104141720B CN104141720B (en) | 2016-03-02 |
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Cited By (14)
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| CN107045868A (en) * | 2017-01-09 | 2017-08-15 | 温州大学 | A kind of locally resonant type phonon crystal cycle coating structure |
| CN108374858A (en) * | 2018-01-26 | 2018-08-07 | 西安交通大学 | One kind being based on the adjustable simple substance phonon crystal vibration isolator of Stress stiffening effect band gap |
| CN108597488A (en) * | 2018-03-15 | 2018-09-28 | 华东交通大学 | A kind of bullet train floor |
| 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 |
| CN109533269A (en) * | 2018-11-26 | 2019-03-29 | 中国人民解放军国防科技大学 | Low-frequency vibration-damping noise-reducing sound-insulating wall plate structure for aircraft cabin |
| CN110030306A (en) * | 2019-03-25 | 2019-07-19 | 中国科学院长春光学精密机械与物理研究所 | A kind of vibration isolating support structure and vibration isolator |
| CN110439949A (en) * | 2019-09-03 | 2019-11-12 | 东南大学 | A kind of periodic structure with nonlinear energy trap |
| CN110984436A (en) * | 2019-12-20 | 2020-04-10 | 深圳市奇信集团股份有限公司 | Partition board and preparation and installation method of building partition wall thereof |
| CN111028820A (en) * | 2019-11-14 | 2020-04-17 | 南京航空航天大学 | Multilayer structure trompil formula phononic crystal board |
| CN111674541A (en) * | 2020-05-25 | 2020-09-18 | 哈尔滨工业大学 | Flexible composite skin, manufacturing method thereof and tool structure |
| CN112499437A (en) * | 2020-11-16 | 2021-03-16 | 江苏大学 | Local resonance phononic crystal periodic structure and elevator vibration and noise reduction device |
| CN112687251A (en) * | 2019-12-11 | 2021-04-20 | 南京光声超构材料研究院有限公司 | Band gap adjustable auxetic phononic crystal, application and vibration damping device |
| CN112874066A (en) * | 2021-01-08 | 2021-06-01 | 哈尔滨工程大学 | Honeycomb structure plate integrating vibration suppression and light weight and high strength and preparation method thereof |
| CN113531022A (en) * | 2021-07-26 | 2021-10-22 | 天津大学 | Active control local resonance metamaterial device for low-frequency vibration isolation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US8094023B1 (en) * | 2008-03-10 | 2012-01-10 | Sandia Corporation | Phononic crystal devices |
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| CN107045868B (en) * | 2017-01-09 | 2020-03-06 | 温州大学 | Local resonance type phononic crystal periodic coating structure |
| CN107045868A (en) * | 2017-01-09 | 2017-08-15 | 温州大学 | A kind of locally resonant type phonon crystal cycle coating structure |
| CN108374858A (en) * | 2018-01-26 | 2018-08-07 | 西安交通大学 | One kind being based on the adjustable simple substance phonon crystal vibration isolator of Stress stiffening effect band gap |
| CN108374858B (en) * | 2018-01-26 | 2020-07-28 | 西安交通大学 | Elementary substance phonon crystal vibration isolator with adjustable band gap based on stress rigidization effect |
| CN108597488A (en) * | 2018-03-15 | 2018-09-28 | 华东交通大学 | A kind of bullet train floor |
| 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 |
| CN109533269A (en) * | 2018-11-26 | 2019-03-29 | 中国人民解放军国防科技大学 | Low-frequency vibration-damping noise-reducing sound-insulating wall plate structure for aircraft cabin |
| CN110030306A (en) * | 2019-03-25 | 2019-07-19 | 中国科学院长春光学精密机械与物理研究所 | A kind of vibration isolating support structure and vibration isolator |
| 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 |
| CN112687251A (en) * | 2019-12-11 | 2021-04-20 | 南京光声超构材料研究院有限公司 | Band gap adjustable auxetic phononic crystal, application and vibration damping device |
| CN112687251B (en) * | 2019-12-11 | 2024-04-05 | 南京光声超构材料研究院有限公司 | Band gap adjustable auxetic phonon crystal, application and vibration damper |
| CN110984436A (en) * | 2019-12-20 | 2020-04-10 | 深圳市奇信集团股份有限公司 | Partition board and preparation and installation method of building partition wall thereof |
| CN110984436B (en) * | 2019-12-20 | 2022-05-24 | 江西奇信集团股份有限公司 | Partition board and preparation and installation method of building partition wall thereof |
| CN111674541A (en) * | 2020-05-25 | 2020-09-18 | 哈尔滨工业大学 | Flexible composite skin, manufacturing method thereof and tool structure |
| CN112499437A (en) * | 2020-11-16 | 2021-03-16 | 江苏大学 | Local resonance phononic crystal periodic structure and elevator vibration and noise reduction device |
| CN112874066A (en) * | 2021-01-08 | 2021-06-01 | 哈尔滨工程大学 | Honeycomb structure plate integrating vibration suppression and light weight and high strength and preparation method thereof |
| CN113531022A (en) * | 2021-07-26 | 2021-10-22 | 天津大学 | Active control local resonance metamaterial device for low-frequency vibration isolation |
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| CN104141720B (en) | 2016-03-02 |
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