CN108266481A - A kind of two-stage air-flotation type vibration damping high-low temperature chamber retinue system - Google Patents
A kind of two-stage air-flotation type vibration damping high-low temperature chamber retinue system Download PDFInfo
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- CN108266481A CN108266481A CN201711387986.2A CN201711387986A CN108266481A CN 108266481 A CN108266481 A CN 108266481A CN 201711387986 A CN201711387986 A CN 201711387986A CN 108266481 A CN108266481 A CN 108266481A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a kind of two-stage air-flotation type vibration damping high-low temperature chamber accompany system, including：Level-one vibration absorber, two level vibration isolation air supporting supporting rack, two level vibration absorber, experiment column and high-low temperature chamber shell, wherein, level-one vibration absorber includes level-one vibration damping air spring unit and the level-one vibration damping rigid platfor being arranged on level-one vibration damping air spring unit；Two level vibration absorber includes the two level vibration isolation air floating platform top plate for being arranged on the two level vibration damping air spring unit on two level vibration isolation air supporting supporting rack and being arranged on two level vibration damping air spring unit；Wherein, two level vibration isolation air supporting supporting rack is arranged on the level-one vibration damping rigid platfor；The experiment column is arranged on two level vibration isolation air floating platform top plate；The high-low temperature chamber shell is arranged on level-one vibration damping rigid platfor, to encapsulate two level vibration isolation air supporting supporting rack, two level vibration absorber and experiment column.
Description
Technical field
The present invention relates to vibration control field more particularly to a kind of two-stage air-flotation type vibration damping high-low temperature chamber retinue systems.
Background technology
At present, it for high-low temperature chamber vibration effect, predominantly takes avoidance (separate) vibration source measure or uses large volume base
Plinth vibration isolation, but since actual environment limits, avoid and the damping efficiency of huge foundation is relatively low, and extraneous vibration source is also changing,
It is difficult to effectively control.Conventional method major defect is as follows：
1) vibration isolation efficiency is low.The vibration source input of high-low temperature chamber includes the vibratory equipments such as the higher motor of frequency and frequency is relatively low
Background vibrations, the mass concrete vibration insulating foundations such as construction at a distance, personnel's walking cannot eliminate high-low temperature chamber and shake at two kinds simultaneously
Vibratory response under the input of source, in some instances it may even be possible to cause to resonate, therefore its vibration isolation efficiency is unsatisfactory.And mass concrete damps
Smaller, energy absorption ability is weaker, when high-low temperature chamber calibration or during detection speed type test specimen mass concrete vibration insulating foundation every
Efficiency of shaking cannot be met the requirements.
2) construction period is long.Huge foundation complicated construction technique, difficulty of construction are larger, and mass concrete temperature should
The multinomial factors such as the bad control of power cause the huge foundation vibration isolation construction period longer.During mass concrete construction, concrete
Internal heat scatters and disappears soon not as good as the heat on surface, causes internal-external temperature difference excessive, generated temperature stress may make
Concrete cracking, therefore the control of the construction technology of the mass concrete vibration insulating foundation of superior performance demand, temperature, concrete are supported
Shield etc. is more complicated, its duration is caused to significantly increase, and the large volume coagulation body construction duration generally requires 2-3 months.
3) economic drain is big.The construction of volume of concrete foundation, temperature control, Crack Control, maintenance technology are all more
Complexity, therefore its construction budget is also higher.In addition, since volume of concrete foundation vibration isolating effect is unsatisfactory, such as construction is completed
The vibratory response of high-low temperature chamber is not still up to standard afterwards, will cause very big waste.
Therefore, it is necessary to new vibration control technology, for controlling the vibration effect of high-low temperature chamber.
Invention content
It is an object of the invention to overcome the above-mentioned problems in the prior art, thus a kind of two-stage air-flotation type is provided subtracted
The high-low temperature chamber that shakes retinue system, can be in high-low temperature chamber operation, by the external environment adversely affected to it vibration and machine
Vibration effectively weakens to permissible range.The system is easy for installation, is easily assembled, and damping efficiency is high.
According to an aspect of the present invention, a kind of two-stage air-flotation type vibration damping high-low temperature chamber retinue system is provided, including：Level-one subtracts
Vibrating device, two level vibration isolation air supporting supporting rack 60, two level vibration absorber, experiment column 30 and high-low temperature chamber shell 40,
Wherein, level-one vibration absorber includes level-one vibration damping air spring unit 11 and is arranged on level-one vibration damping air spring
Level-one vibration damping rigid platfor 12 on unit；Two level vibration absorber includes being arranged on two level vibration isolation air supporting supporting rack 60
Two level vibration damping air spring unit 21 and the two level vibration isolation air floating platform top being arranged on two level vibration damping air spring unit
Plate 22；
Wherein, two level vibration isolation air supporting supporting rack 60 is arranged on the level-one vibration damping rigid platfor 12；The experiment is vertical
Column 30 is arranged on two level vibration isolation air floating platform top plate 22；The high-low temperature chamber shell 40 is arranged on level-one vibration damping rigid platfor
On 12, to encapsulate two level vibration isolation air supporting supporting rack 60, two level vibration absorber and experiment column 30.
An embodiment according to the present invention, the two-stage air-flotation type vibration damping high-low temperature chamber retinue system further include setting
Thermal insulation baffle 50 inside cryogenic box shell 40.
An embodiment according to the present invention, wherein the level-one vibration damping air spring unit fundamental frequency is 3~5Hz.
An embodiment according to the present invention, wherein the two level vibration damping air spring unit fundamental frequency is about 2Hz.
An embodiment according to the present invention, wherein the level-one vibration damping air spring Elemental damp ratio for 0.4~
0.6。
An embodiment according to the present invention, wherein the two level vibration damping air spring Elemental damp ratio for 0.2~
0.4。
The present invention is based on level energy consumption vibration isolation principle and air-flotation type vibration damping engineering technology, effectively to weaken high-low temperature chamber examination
The vibratory response of vertical post pallet top surface is tested as target, proposes a kind of two-stage air-flotation type vibration damping retinue system architecture technology.The system knot
Configuration formula is apparent, dismounting it is convenient, can secondary use, save space, utilize technological equipment upgrading.The system can be in processing work
Factory's prefabricated air spring and rigid platfor, are assembled at the scene, and work progress is simple and convenient, are consumed energy, subtracted using two-stage level
It shakes more efficient, can effectively realize the control to multi-source vibration effect inside and outside high-low temperature chamber.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, embodiment will be described below required
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, for ability
For the those of ordinary skill of domain, without creative efforts, other skills are can also be obtained according to these attached drawings
Art scheme.
Fig. 1 is the structure according to a kind of two-stage air-flotation type vibration damping high-low temperature chamber of one embodiment of the invention retinue system
Schematic diagram.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to each reality of the present invention
The mode of applying is explained in detail.However, it will be understood by those skilled in the art that in each embodiment of the present invention,
In order to make the reader understand this application better, many technical details are proposed.But even if without these technical details and base
In the various changes and modifications of following embodiment, each claim of the application technical side claimed can also be realized
Case.
Fig. 1 is a kind of two-stage air-flotation type vibration damping high-low temperature chamber retinue system schematic according to the present invention.With reference to figure 1, surpass
Elongated synchrotron radiation light source basis micro-nano structure vibration controlling includes：Level-one vibration absorber, two level vibration isolation air supporting supporting rack 60,
Two level vibration absorber, experiment column 30 and high-low temperature chamber shell 40,
Wherein, level-one vibration absorber includes level-one vibration damping air spring unit 11 and is arranged on level-one vibration damping air spring
Level-one vibration damping rigid platfor 12 on unit；Two level vibration absorber includes being arranged on two level vibration isolation air supporting supporting rack 60
Two level vibration damping air spring unit 21 and the two level vibration isolation air floating platform top being arranged on two level vibration damping air spring unit
Plate 22；Wherein, two level vibration isolation air supporting supporting rack 60 is arranged on the level-one vibration damping rigid platfor 12；The experiment column 30
It is arranged on two level vibration isolation air floating platform top plate 22；The high-low temperature chamber shell 40 be arranged on level-one vibration damping rigid platfor 12 it
On, to encapsulate two level vibration isolation air supporting supporting rack 60, two level vibration absorber and experiment column 30.
As shown in Figure 1, the two-stage air-flotation type vibration damping high-low temperature chamber retinue system of the present invention can be arranged on foundation 70
On.The two-stage air-flotation type vibration damping high-low temperature chamber retinue system further includes the thermal insulation baffle being arranged on inside cryogenic box shell 40
50.Product 80 to be tested are arranged on experiment column 30.
As shown in the figure, the level-one air-float vibration isolation device of the present invention includes level-one vibration damping rigid platfor 12 and level-one vibration damping air
Spring unit 11.Wherein platform top can be that concrete prefabricated board is alternatively steel plate, and level-one vibration damping air spring unit fundamental frequency can
Think 3~5Hz, damping ratio can be 0.4~0.6.Level-one air-float vibration isolation device can effectively every the vibratory equipments such as powered down machine with
And the vibration effect of part background vibration.The structure of vibration damping air spring unit is well known in the art, therefore, with reference to this hair
Bright introduction, it is easy, therefore be not described in detail to design or select appropriate vibration damping air spring unit.
Two level vibration isolation air supporting supporting rack 60 is arranged on level-one vibration damping rigid platfor 12, is used to support secondary air-floatation vibration isolation
Device, and its height is adjusted to control position of the product 80 to be tested in high-low temperature chamber.Those skilled in the art are known
The means of height are adjusted, such as pass through threaded adjusting etc..
Secondary air-floatation isolation mounting includes two level vibration isolation air floating platform top plate 22 and two level vibration damping air spring unit 21,
Middle two level vibration damping air spring unit fundamental frequency can be about 2Hz, and damping ratio can be 0.2~0.4.The device main function is subtracts
The weak remaining background vibration after the isolation of level-one air-float vibration isolation device influences.
Experiment column 30 is positioned on two level vibration isolation air floating platform top plate, to support product 80 to be tested.Product to be tested
Structure is located at the top of experiment column, inside high-low temperature chamber, with test or rating test product working condition at various temperatures and
Performance parameter.
Thermal insulation baffle 50 keeps two for high-low temperature chamber closed test area and space where secondary air-floatation isolation mounting to be isolated
The temperature difference in space.In addition, trial zone temperature can be kept by clogging thermal insulation material between thermal insulation baffle and experiment column
It is relative constant.
High-low temperature chamber shell 40 prevents external environment from generating shadow to internal temperature for high-low temperature chamber interior or exterior space to be isolated
It rings, keeps constant temperature inside high-low temperature chamber.
The present invention has the advantage that：
(1) two-stage damping efficiency is high.The system uses two-stage air-flotation type vibration absorber, layer distributed damping efficiency higher.
The vibration source for influencing high-low temperature chamber is mainly the 5~30Hz such as the vibratory equipments such as the motor of 50Hz or so and construction at a distance, personnel's walking
Background vibration.Level-one isolation mounting fundamental frequency is 3~5Hz, can be effectively every the vibratory equipments such as powered down machine and part background vibration
Vibration effect；The fundamental frequency of two level isolation mounting is 2Hz, can be effectively every the vibration input for subtracting remaining background vibration.Subtract by two-stage
After shaking, damping efficiency is more than 85%, and the basic frequency of body vibration xx can be reduced to below 2Hz.
(2) it is easily assembled, is readily disassembled.The system Installation Modes are prefabrication, on-site consolidation mode, system and each dress
With part quality is light, size is small (its gross mass can for example be less than 1 ton, and can be less than by extending out full-size by 2 meters), transports and hang
Dress is extremely simple convenient.At the scene coagulation body rigid foundation construction after the completion of, can be according to level-one vibration absorber → high-low temperature chamber outside
The sequence of construction of shell → two level vibration absorber → experiment column performs, and the simple apparent and entire work progress of work progress only needs 2
People cooperates, and integral construction can be completed within several hours；Some months is up to compared to mass concrete vibration insulating foundation
Engineering cost of labor and construction period can be greatly reduced in construction period.And reaching service life or due to other reasons needs
During replacement, which is also easily removable.
(3) high damping characteristic.Compared with volume of concrete foundation, which has higher damping ratio, and system is whole
Damping ratio is 0.2~0.6 (wherein level-one vibration absorber is 0.4~0.6, and two level vibration absorber is 0.2~0.4)；Big damping body
System has good energy-absorbing effect, and can design regulating valve according to demand, suitable damping ratio is selected, in calibration or detection speed
The influence that test block is treated in inside and outside multi-source vibration can be preferably eliminated during type test specimen.
In the description of this specification, reference term " one embodiment ", " embodiment, " is specifically shown " example "
The description of example " etc. means that combining specific features, structure, material that the embodiment or example describe lives feature and be contained in the present invention
At least one embodiment or example in.In the present specification, schematic expression of the above terms are not necessarily referring to identical
Embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be real in any one or more
It applies and is combined in an appropriate manner in example or example.
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can readily occur in change or replacement, should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention described should be subject to the protection scope in claims.
Claims (7)
- The system 1. a kind of two-stage air-flotation type vibration damping high-low temperature chamber is accompanied, including：Level-one vibration absorber, two level vibration isolation air supporting supporting rack (60), two level vibration absorber, experiment column (30) and high-low temperature chamber shell (40),Wherein, level-one vibration absorber includes level-one vibration damping air spring unit (11) and is arranged on level-one vibration damping air spring list Level-one vibration damping rigid platfor (12) on member；Two level vibration absorber includes being arranged on two level vibration isolation air supporting supporting rack (60) Two level vibration damping air spring unit (21) and the two level vibration isolation air supporting that is arranged on two level vibration damping air spring unit put down Platform top plate (22)；Wherein, two level vibration isolation air supporting supporting rack (60) is arranged on the level-one vibration damping rigid platfor (12)；The experiment is vertical Column (30) is arranged on two level vibration isolation air floating platform top plate (22)；It is firm that the high-low temperature chamber shell (40) is arranged on level-one vibration damping On mild-natured (12), to encapsulate two level vibration isolation air supporting supporting rack (60), two level vibration absorber and experiment column (30).
- 2. two-stage air-flotation type vibration damping high-low temperature chamber retinue system according to claim 1, further includes and is arranged on cryogenic box shell (40) internal thermal insulation baffle (50).
- 3. two-stage air-flotation type vibration damping high-low temperature chamber retinue system according to claim 1, wherein the level-one vibration damping air bullet Spring unit (11) fundamental frequency is 3~5Hz.
- 4. two-stage air-flotation type vibration damping high-low temperature chamber retinue system according to claim 1, wherein the two level vibration damping air bullet Spring unit fundamental frequency is about 2Hz.
- 5. two-stage air-flotation type vibration damping high-low temperature chamber retinue system according to claim 1, wherein the level-one vibration damping air bullet Spring unit (11) damping ratio is 0.4~0.6.
- 6. two-stage air-flotation type vibration damping high-low temperature chamber retinue system according to claim 1, wherein the two level vibration damping air bullet Spring Elemental damp ratio is 0.2~0.4.
- 7. two-stage air-flotation type vibration damping high-low temperature chamber retinue system according to claim 1, integral damping ratio is 0.2~0.6.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711387986.2A CN108266481B (en) | 2017-12-20 | 2017-12-20 | A kind of two-stage air-flotation type vibration damping high-low temperature chamber retinue system |
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| CN201711387986.2A CN108266481B (en) | 2017-12-20 | 2017-12-20 | A kind of two-stage air-flotation type vibration damping high-low temperature chamber retinue system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109932150A (en) * | 2018-12-28 | 2019-06-25 | 中国机械工业集团有限公司 | A kind of towering suspension detection structure micro-vibration control device |
| CN111222262A (en) * | 2019-10-30 | 2020-06-02 | 中国中元国际工程有限公司 | Air flotation vibration isolation platform performance optimization design method based on mass ratio influence |
| CN111398632A (en) * | 2020-04-01 | 2020-07-10 | 中国科学院地质与地球物理研究所 | Testing device and testing method for background noise of acceleration sensor |
| CN111398633A (en) * | 2020-04-01 | 2020-07-10 | 中国科学院地质与地球物理研究所 | High-precision acceleration sensor background noise testing device and testing method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PT70838A (en) * | 1979-02-16 | 1980-03-01 | Alsthom Cgee | ANTISISMIC PROTECTION DEVICE |
| JPH09280312A (en) * | 1996-04-11 | 1997-10-28 | Mitsubishi Heavy Ind Ltd | Vibration insulation support device for apparatus |
| CN101353897A (en) * | 2008-08-26 | 2009-01-28 | 中国计量学院 | Vibrating isolation foundation precise leveling system |
| CN202157336U (en) * | 2011-07-05 | 2012-03-07 | 上海朗诗建筑科技有限公司 | Installing structure of ground source main machine devices |
| CN103307985A (en) * | 2013-06-09 | 2013-09-18 | 中国科学院力学研究所 | Equal-arm-length heterodyne laser interferometry ranging system |
| CN204592110U (en) * | 2015-04-23 | 2015-08-26 | 中国电子工程设计院 | A kind of high-low temperature chamber low-frequency vibration suppresses project organization |
| CN204590102U (en) * | 2015-04-24 | 2015-08-26 | 中国电子工程设计院 | A kind of high-low temperature chamber dither suppresses project organization |
| US9353819B2 (en) * | 2012-06-27 | 2016-05-31 | The Boeing Company | Damping mechanical linkage |
-
2017
- 2017-12-20 CN CN201711387986.2A patent/CN108266481B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PT70838A (en) * | 1979-02-16 | 1980-03-01 | Alsthom Cgee | ANTISISMIC PROTECTION DEVICE |
| JPH09280312A (en) * | 1996-04-11 | 1997-10-28 | Mitsubishi Heavy Ind Ltd | Vibration insulation support device for apparatus |
| CN101353897A (en) * | 2008-08-26 | 2009-01-28 | 中国计量学院 | Vibrating isolation foundation precise leveling system |
| CN202157336U (en) * | 2011-07-05 | 2012-03-07 | 上海朗诗建筑科技有限公司 | Installing structure of ground source main machine devices |
| US9353819B2 (en) * | 2012-06-27 | 2016-05-31 | The Boeing Company | Damping mechanical linkage |
| CN103307985A (en) * | 2013-06-09 | 2013-09-18 | 中国科学院力学研究所 | Equal-arm-length heterodyne laser interferometry ranging system |
| CN204592110U (en) * | 2015-04-23 | 2015-08-26 | 中国电子工程设计院 | A kind of high-low temperature chamber low-frequency vibration suppresses project organization |
| CN204590102U (en) * | 2015-04-24 | 2015-08-26 | 中国电子工程设计院 | A kind of high-low temperature chamber dither suppresses project organization |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109932150A (en) * | 2018-12-28 | 2019-06-25 | 中国机械工业集团有限公司 | A kind of towering suspension detection structure micro-vibration control device |
| CN111222262A (en) * | 2019-10-30 | 2020-06-02 | 中国中元国际工程有限公司 | Air flotation vibration isolation platform performance optimization design method based on mass ratio influence |
| CN111222262B (en) * | 2019-10-30 | 2023-09-29 | 中国中元国际工程有限公司 | Air floatation vibration isolation platform performance optimization design method based on mass ratio influence |
| CN111398632A (en) * | 2020-04-01 | 2020-07-10 | 中国科学院地质与地球物理研究所 | Testing device and testing method for background noise of acceleration sensor |
| CN111398633A (en) * | 2020-04-01 | 2020-07-10 | 中国科学院地质与地球物理研究所 | High-precision acceleration sensor background noise testing device and testing method |
| CN111398633B (en) * | 2020-04-01 | 2021-05-11 | 中国科学院地质与地球物理研究所 | High-precision acceleration sensor background noise testing device and testing method |
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|---|---|
| CN108266481B (en) | 2019-09-06 |
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