CN111005976A - Module assembling type vibration isolation platform - Google Patents
Module assembling type vibration isolation platform Download PDFInfo
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- CN111005976A CN111005976A CN201910546368.0A CN201910546368A CN111005976A CN 111005976 A CN111005976 A CN 111005976A CN 201910546368 A CN201910546368 A CN 201910546368A CN 111005976 A CN111005976 A CN 111005976A
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- 238000002955 isolation Methods 0.000 title claims abstract description 186
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 20
- 239000010959 steel Substances 0.000 claims abstract description 20
- 238000013016 damping Methods 0.000 claims abstract description 11
- 238000005516 engineering process Methods 0.000 claims description 14
- 230000005484 gravity Effects 0.000 claims description 12
- 239000002131 composite material Substances 0.000 claims description 3
- 230000010354 integration Effects 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 230000021715 photosynthesis, light harvesting Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 6
- 230000004048 modification Effects 0.000 abstract description 3
- 238000012986 modification Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
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Classifications
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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
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
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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
- F16F7/00—Vibration-dampers; Shock-absorbers
- F16F7/10—Vibration-dampers; Shock-absorbers using inertia effect
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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
- F16F2222/00—Special physical effects, e.g. nature of damping effects
- F16F2222/08—Inertia
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention discloses a module assembly type vibration isolation platform which comprises a vibration isolation module, a bearing steel frame, a connecting member and a height adjusting member. The vibration isolation module comprises vibration isolation elements, mass blocks and vibration isolation units of different types and series of damping structures, and the load center of the vibration isolation module is consistent with the geometric center of the plane; each vibration source equipment is provided with one or more vibration isolation modules, and the vibration isolation modules are arranged at the lower part and the side surface of the base of the vibration source equipment through a connecting member and a bearing steel frame; the vibration isolation modules form a large-scale vibration source equipment integral vibration isolation platform and a public vibration isolation platform of a plurality of vibration source equipment through the force bearing steel frames and the connecting members, the optimal load of the vibration isolation modules is consistent with the load of the vibration source equipment, the integral vibration isolation module platform formed by the vibration isolation modules, the force bearing steel frames and the connecting members has enough rigidity, and the load borne by the vibration isolation modules is adjusted through the height adjusting members. The method is suitable for various complex working conditions, and is simple in installation and construction and low in modification cost.
Description
Technical Field
The invention relates to a low-frequency vibration structure-borne noise vibration isolation and reduction technology, in particular to a module assembly type vibration isolation platform.
Background
Many electromechanical devices are a source of vibration noise in civil buildings, and the vibration of the vibration source device propagates through solid structure sound generated by the contact of the vibration source device base and the ground building. The important way to eliminate the vibration hazard is mainly to control the transmission of vibration by reducing the technology of vibration isolation, i.e. isolating or weakening the transmission of vibration energy. The whole vibration isolation pedestal is arranged between the vibration source equipment base and the ground, and the vibration of the vibration source equipment is prevented from being transmitted to the solid structure sound of a building structure, so that the purposes of vibration isolation and noise reduction are achieved, and the vibration isolation pedestal is one of important ways for eliminating vibration hazards.
According to the vibration isolation design of HJ 2034-20137.4.2, the 7.4.2.1 vibration isolation design is implemented according to GB50463, GB10070, GB/T50452 and JGJ/T170. 7.4.2.2 the vibration isolation design should be carried out as follows: a) determining a required vibration transmission ratio (or vibration isolation efficiency) and an approximate load and gravity center distribution condition; b) determining the layout form, load, model, size and number of the vibration isolation elements; c) determining static compression amount, frequency ratio and natural frequency of the vibration isolation system; d) checking and calculating vibration isolation parameters, and estimating the noise reduction effect of the vibration isolation design. According to the regulations, the vibration isolation design is considered a lot, and the vibration isolation designers of building design houses are lack, so that the vibration isolation of the equipment forms a difficult point of the current design work, and a lot of troubles are caused.
In practical engineering, when the load and the gravity center of vibration source equipment are unevenly distributed, the arrangement of the integral vibration isolation structure can hardly ensure that each vibration isolation element is in the optimal load range, so that the improvement of vibration isolation efficiency is restricted, and vibration short circuit can be formed to cause vibration isolation failure in serious cases. Especially under the condition of vibration isolation and noise reduction engineering reconstruction, the large-scale integral vibration isolation structure has no effective transportation path and installation space.
Disclosure of Invention
The invention aims to provide a module-assembled vibration isolation platform, which is characterized in that a plurality of vibration isolation platform modules are assembled into a large-scale vibration source equipment integral vibration isolation platform and a public vibration isolation platform of a plurality of vibration source equipment through a force bearing steel frame, a connecting member and a height adjusting member on the basis of modularization and serialization of vibration isolation platforms. Each vibration source equipment is respectively provided with two or more vibration isolation modules, so that the weight of the vibration isolation pedestal is reduced, the transportation and the installation are convenient, the installation and the construction are simple, and the reconstruction cost is low.
The technical scheme adopted by the invention for solving the technical problems is as follows: a module assembly type vibration isolation platform comprises a vibration isolation module, a bearing steel frame, a connecting component and a height adjusting component. The vibration isolation module comprises vibration isolation elements, mass blocks and vibration isolation units of different types and series of damping structures, and the load center of the vibration isolation module is consistent with the geometric center of the plane; each vibration source equipment is provided with one or more vibration isolation modules, and the vibration isolation modules are arranged at the lower part and the side surface of the base of the vibration source equipment through a connecting member and a bearing steel frame; the vibration isolation modules form a large-scale vibration source equipment integral vibration isolation platform and a public vibration isolation platform of a plurality of vibration source equipment through the force bearing steel frames and the connecting members, the optimal load of the vibration isolation modules is consistent with the load of the vibration source equipment, the integral vibration isolation module platform formed by the vibration isolation modules, the force bearing steel frames and the connecting members has enough rigidity, and the load borne by the vibration isolation modules is adjusted through the height adjusting members.
The vibration isolation module types comprise a basic vibration isolation module adopting a primary vibration isolation technology (the vibration isolation efficiency is less than 90 percent), a high-efficiency vibration isolation module adopting a secondary vibration isolation technology (the vibration isolation efficiency is less than 95 percent) and a composite vibration isolation module adopting a secondary vibration isolation technology and particle damping energy dissipation technology for integration (the vibration isolation efficiency is more than or equal to 95 percent). On the premise of classifying different parameters and frequency spectrum characteristics of vibration source equipment, passively-controlled vibration isolation pedestals with different parameters are arranged. The vibration isolation pedestals of different types can meet the requirement of vibration isolation efficiency of respective vibration source equipment under the most severe working condition. Therefore, vibration isolation design procedures are simplified, designers select vibration isolation pedestals of corresponding categories according to vibration source equipment parameters and frequency spectrum characteristics, a fool type vibration isolation design mode is formed, the problem of vibration solid propagation noise of large-volume and wide-area equipment in a civil building can be solved, vibration isolation design efficiency can be effectively improved, and the setting cost of a vibration isolation structure is reduced. On the basis of setting up different types of vibration isolation pedestals according to vibration source characteristic classification, further with the vibration isolation pedestal modularization. The vibration isolation module comprises a complete vibration isolation unit of a vibration isolation element, a mass block and a damping structure, and the load center of the vibration isolation module is consistent with the geometric center of a plane. And the mass center of gravity of the vibration isolation module is reduced by adopting the embedded structure.
The vibration isolation module series is defined according to the working load of the vibration source equipment, the load range has the vibration isolation modules with the level difference relation, a series covering the working load range of the main vibration source equipment is formed, the damping characteristics of the vibration isolation modules of the same series are consistent, and the elastic modulus of the built-in vibration isolation elements is consistent. The vibration isolation modules in the series have a certain load range, and simultaneously, a certain proportion of allowance is crossed.
When the gravity center distribution of the vibration source equipment load is unbalanced, the vibration isolation modules are arranged discontinuously according to the gravity center distribution of the vibration source equipment load, and the distribution of the vibration isolation modules is consistent with the gravity center distribution of the vibration source equipment load.
When the distance between the vibration source equipment base and the terrace meets the height of the vibration isolation module, the vibration isolation module is arranged at the bottom of the vibration source equipment base. When the distance between the vibration source equipment base and the terrace is not enough to arrange the vibration isolation module, the vibration isolation module is arranged on the side surface of the vibration source equipment base through the bearing steel frame and the connecting member. The whole vibration isolation module platform can be larger than the vibration source equipment base, and the structure shapes of the assembled public vibration isolation platform consisting of the plurality of vibration isolation modules are set according to the distribution conditions of the equipment, and comprise a square shape, a strip-shaped flat shape, a T-shaped shape, an L-shaped shape, a U-shaped shape, a square-shaped shape and the like.
The invention has the beneficial effects that:
1. the vibration isolation design workload is reduced, and the vibration isolation module is selected to be installed according to the effective load of vibration source equipment and the requirement of vibration isolation efficiency, so that the vibration isolation device is suitable for various complex working conditions;
2. each vibration source device is provided with one or more vibration isolation modules, so that the weight of the vibration isolation pedestal is reduced, and the transportation and the installation are facilitated; particularly under the condition of vibration isolation and noise reduction engineering reconstruction, the large integral vibration isolation structure has no effective transportation path and installation space;
3. the vibration isolation module is produced and processed in a workshop, so that the product quality is improved, and the vibration isolation efficiency is ensured;
4. the field assembly operation reduces the workload of the field operation, is beneficial to improving the working efficiency, and has simple installation and construction and low modification cost;
5. reduces the construction waste on the construction site, thereby being more environment-friendly and meeting the requirement of green buildings.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a side construction view of a first embodiment of the present invention.
Fig. 2 is a top view of the structure of fig. 1.
Fig. 3 is a side view of the second embodiment of the present invention.
Fig. 4 is a top configuration view of fig. 3.
In the figure, 1, a vibration isolation module, 2, a force bearing steel frame, 3, a connecting component, 4, a height adjusting component, 5, a vibration source equipment base and 6, a terrace are arranged.
Detailed Description
In a first embodiment shown in fig. 1 and 2, a module-assembled vibration isolation platform comprises a vibration isolation module (1), a force bearing steel frame (2), a coupling member (3) and a height adjusting member (4). The vibration isolation module (1) comprises vibration isolation elements, mass blocks and vibration isolation units of different types and series of damping structures, and the load center of the vibration isolation module (1) is consistent with the geometric center of a plane; each vibration source equipment is provided with one or more vibration isolation modules (1), and the vibration isolation modules (1) are arranged at the lower part and the side surface of the base of the vibration source equipment through a force bearing steel frame (2) and a connecting member (3); the vibration isolation module comprises a plurality of vibration isolation modules (1), a bearing steel frame (2) and a connecting member (3), wherein the vibration isolation modules form a large vibration source equipment integral vibration isolation platform and a public vibration isolation platform of a plurality of vibration source equipment, the optimal load of the vibration isolation modules (1) is consistent with the load of the vibration source equipment, the integral vibration isolation module (1) platform formed by the vibration isolation modules (1), the bearing steel frame (2) and the connecting member (3) has enough rigidity, and the load borne by the vibration isolation modules (1) is adjusted through a height adjusting member (4).
The types of the vibration isolation modules (1) comprise a basic vibration isolation module (the vibration isolation efficiency is less than 90%) adopting a primary vibration isolation technology, a secondary vibration isolation module (the vibration isolation efficiency is less than 95%) adopting a secondary vibration isolation technology and a composite vibration isolation module (the vibration isolation efficiency is more than or equal to 95%) adopting a secondary vibration isolation technology and particle damping energy dissipation technology integration.
The series of vibration isolation modules (1) is defined according to the working load of vibration source equipment, the load range of the vibration isolation modules (1) has a level difference relation, a series covering the working load range of the main vibration source equipment is formed, the damping characteristics of the vibration isolation modules (1) in the same series are consistent, and the elastic modulus of the built-in vibration isolation elements is consistent.
When the gravity center distribution of the vibration source equipment load is unbalanced, the vibration isolation modules (1) are arranged discontinuously according to the gravity center distribution of the vibration source equipment load, and the distribution of the vibration isolation modules (1) is consistent with the gravity center distribution of the vibration source equipment load.
When the distance between the vibration source equipment base (5) and the terrace (6) meets the requirement of setting the height of the vibration isolation module (1), the vibration isolation module (1) is arranged between the bottom of the vibration source equipment base (6) and the terrace (6).
In a second embodiment shown in fig. 3 and 4, when the distance between the vibration source equipment base (5) and the floor (6) is not enough to arrange the vibration isolation module (1), the vibration isolation module (1) is arranged on the side surface of the vibration source equipment base (5) through the force bearing steel frame (2) and the connecting member (3).
It will be appreciated that many variations may be made to the above-described embodiments without departing from the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a module assembled vibration isolation platform, includes vibration isolation module, load steelframe, hookup component and height adjustment component, characterized by: the vibration isolation module comprises vibration isolation elements, mass blocks and vibration isolation units of different types and series of damping structures, and the load center of the vibration isolation module is consistent with the geometric center of the plane; each vibration source equipment is provided with one or more vibration isolation modules, and the vibration isolation modules are arranged at the lower part and the side surface of the base of the vibration source equipment through a connecting member and a bearing steel frame; the vibration isolation modules form a large-scale vibration source equipment integral vibration isolation platform and a public vibration isolation platform of a plurality of vibration source equipment through the force bearing steel frames and the connecting members, the optimal load of the vibration isolation modules is consistent with the load of the vibration source equipment, the integral vibration isolation module platform formed by the vibration isolation modules, the force bearing steel frames and the connecting members has enough rigidity, and the load borne by the vibration isolation modules is adjusted through the height adjusting members.
2. The modular mount vibration isolation platform of claim i, wherein: the vibration isolation module types comprise a basic vibration isolation module adopting a primary vibration isolation technology (the vibration isolation efficiency is less than 90 percent), a secondary vibration isolation module adopting a secondary vibration isolation technology (the vibration isolation efficiency is less than 95 percent) and a composite vibration isolation module adopting a secondary vibration isolation technology and particle damping energy dissipation technology for integration (the vibration isolation efficiency is more than or equal to 95 percent).
3. The modular mount vibration isolation platform of claim i, wherein: the vibration isolation module series is defined according to the working load of the vibration source equipment, the load range has the vibration isolation modules with the level difference relation, a series covering the working load range of the main vibration source equipment is formed, the damping characteristics of the vibration isolation modules of the same series are consistent, and the elastic modulus of the built-in vibration isolation elements is consistent.
4. The modular mount vibration isolation platform of claim i, wherein: when the gravity center distribution of the vibration source equipment load is unbalanced, the vibration isolation modules are arranged discontinuously according to the gravity center distribution of the vibration source equipment load, and the distribution of the vibration isolation modules is consistent with the gravity center distribution of the vibration source equipment load.
5. The modular mount vibration isolation platform of claim i, wherein: when the distance between the vibration source equipment base and the terrace is not enough to arrange the vibration isolation module, the vibration isolation module is arranged on the side surface of the vibration source equipment base through the bearing steel frame and the connecting member.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910546368.0A CN111005976A (en) | 2019-06-24 | 2019-06-24 | Module assembling type vibration isolation platform |
| PCT/CN2020/085222 WO2020259023A1 (en) | 2019-06-24 | 2020-04-17 | Modular assembled vibration isolation platform |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910546368.0A CN111005976A (en) | 2019-06-24 | 2019-06-24 | Module assembling type vibration isolation platform |
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| CN111005976A true CN111005976A (en) | 2020-04-14 |
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| CN201910546368.0A Pending CN111005976A (en) | 2019-06-24 | 2019-06-24 | Module assembling type vibration isolation platform |
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| WO (1) | WO2020259023A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020259023A1 (en) * | 2019-06-24 | 2020-12-30 | 厦门嘉达声学技术有限公司 | Modular assembled vibration isolation platform |
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| CN201459754U (en) * | 2009-07-10 | 2010-05-12 | 中船第九设计研究院工程有限公司 | Anti-microvibration base for centralized arrangement of multiple precise instruments |
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| CN111005976A (en) * | 2019-06-24 | 2020-04-14 | 厦门嘉达声学技术有限公司 | Module assembling type vibration isolation platform |
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2019
- 2019-06-24 CN CN201910546368.0A patent/CN111005976A/en active Pending
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2020
- 2020-04-17 WO PCT/CN2020/085222 patent/WO2020259023A1/en active Application Filing
Patent Citations (6)
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|---|---|---|---|---|
| CN101644307A (en) * | 2009-06-26 | 2010-02-10 | 东莞宏威数码机械有限公司 | Vibration insulating supporting device |
| CN102062171A (en) * | 2010-11-15 | 2011-05-18 | 中国舰船研究设计中心 | Method for arranging multiple vibration isolators and vibration isolation device |
| CN102518916A (en) * | 2012-01-04 | 2012-06-27 | 厦门嘉达环保建造工程有限公司 | Equipment vibration isolation substrate |
| CN103047336A (en) * | 2012-12-25 | 2013-04-17 | 重庆市电力公司电力科学研究院 | Method for controlling structural acoustic transmission on basis of combined type vibration isolation device |
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| WO2020259023A1 (en) * | 2019-06-24 | 2020-12-30 | 厦门嘉达声学技术有限公司 | Modular assembled vibration isolation platform |
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