CN114658799A - Universal vibration isolation platform - Google Patents
Universal vibration isolation platform Download PDFInfo
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- CN114658799A CN114658799A CN202210191017.4A CN202210191017A CN114658799A CN 114658799 A CN114658799 A CN 114658799A CN 202210191017 A CN202210191017 A CN 202210191017A CN 114658799 A CN114658799 A CN 114658799A
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- vibration isolation
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- 238000002955 isolation Methods 0.000 title claims abstract description 95
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 33
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- 230000006835 compression Effects 0.000 claims abstract description 20
- 238000007906 compression Methods 0.000 claims abstract description 20
- 238000013016 damping Methods 0.000 claims abstract description 17
- 235000010627 Phaseolus vulgaris Nutrition 0.000 claims abstract description 16
- 244000046052 Phaseolus vulgaris Species 0.000 claims abstract description 16
- 238000009434 installation Methods 0.000 claims abstract description 5
- 238000003466 welding Methods 0.000 claims abstract description 5
- 239000002245 particle Substances 0.000 claims description 7
- 239000002344 surface layer Substances 0.000 claims description 4
- 239000006096 absorbing agent Substances 0.000 claims description 3
- 238000011900 installation process Methods 0.000 claims description 3
- 239000011150 reinforced concrete Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 3
- 238000013461 design Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 6
- 230000009467 reduction Effects 0.000 description 5
- 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 4
- 239000007787 solid Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010073 coating (rubber) Methods 0.000 description 1
- 239000007799 cork Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- 238000007493 shaping process Methods 0.000 description 1
- 239000011090 solid board Substances 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
- F16F15/04—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 using elastic means
- F16F15/08—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 using elastic means with rubber springs ; with springs made of rubber and metal
- F16F15/085—Use of both rubber and metal springs
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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
- F16F15/022—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 using dampers and springs in combination
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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
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M5/00—Engine beds, i.e. means for supporting engines or machines on foundations
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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
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M7/00—Details of attaching or adjusting engine beds, frames, or supporting-legs on foundation or base; Attaching non-moving engine parts, e.g. cylinder blocks
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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)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Vibration Prevention Devices (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention discloses a general vibration isolation platform, which is applied to a building indoor vibration isolation platform and a public vibration isolation platform of a plurality of devices and consists of a plurality of cubic vibration isolation units, wherein each vibration isolation unit comprises a rigid groove-shaped shell with an inward folded corner at the bottom of a groove, a rigid groove-shaped base, a compression steel spring, an installation member, a bean bag damper, a rigid bearing structure and a bottom damping vibration pad, the rigid bearing structure is formed by reliably welding two U-shaped steels which are transversely and longitudinally arranged at equal intervals with the rigid groove-shaped shell to form a nine-palace-shaped rigid bearing structure, 1 compression steel spring is respectively arranged at each of four corners in the rigid groove-shaped shell, a compression steel spring group is arranged in the middle of the rigid groove-shaped shell, and the bean bag damper is arranged in the U-shaped steel. The vibration isolation unit is assembled on site, the workload of site operation is reduced, the work efficiency is improved, the installation and construction are simple, the cost is low, and the high-efficiency and energy-saving requirements are met.
Description
Technical Field
The invention relates to a low-frequency vibration structure-borne noise vibration isolation and reduction technology, in particular to a general vibration isolation platform.
Background
The vibration of the vibration source equipment is propagated by solid structure sound generated by the contact of the vibration source equipment base and the ground building. An important approach to eliminating the vibration hazard is to control the transmission of the vibration primarily by reducing the techniques of vibration isolation, which is to isolate or attenuate 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. Building accessories including fitness centers, entertainment centers, business centers, restaurants, etc. that may generate structural noise in the building.
The weight lifting platform in the gymnasium generally consists of a wooden solid board and is arranged on a concrete ground or a ceramic tile ground, when the weight lifting barbell is lifted, the weight lifting barbell performs free falling motion from about 2m, when the weight lifting platform is hit, the impact force is equivalent to 4.44 times of the dead weight of the weight lifting barbell, the best performance is 223 Kg of grabbing and lifting at the level of +109 Kg, 265Kg of lifting at the level of 265Kg at present, and the maximum impact force is equivalent to 1176.60Kg of the weight lifting platform. The maximum distance between the hoops on the barbell is 1.31m, the maximum impact force of two points of the weight lifting platform and the barbell is 588.30kg, the instant contact of the two points (the distance is more than or equal to 1.31 m) is an elastic process, and the elastic component comprises an elastic cushion on the rubber coating of the barbell disc and the upper part of the vibration isolation platform. Each normative weight bench is 2m × 2m =4m, corresponding to an impact pressure of 294.15 kg/m. As a weight lifting platform in a gymnasium, the weight lifting platform is a gymnasium in which a plurality of people commonly move, and a cork shock absorption block is used as a floating platform structure, so that the impact force generated by falling can not only damage a rubber shock absorption pad, a concrete floor or a ceramic tile floor. Meanwhile, the generated impact sound is transmitted through the solid structure to affect the sound environment of the noise-sensitive room of the same building. Up to now, no proper vibration isolation platform is available.
The domestic relevant specifications, atlas and engineering manual about equipment vibration isolation do not recommend the ready-made products of relevant equipment vibration isolation to be selected. The vibration isolation and noise reduction of the existing building equipment still continues to use the traditional mode, and the vibration isolation and noise reduction of the equipment are designed, manufactured and installed according to the specific conditions of the equipment and the technical requirements of the vibration isolation base and the design specifications according to each specific case. The simple design needs to master the data of ten aspects, and the design checking procedure is complicated. And the vibration isolation design technology of a building design unit is not enough, and proper vibration isolation measures cannot be taken.
Disclosure of Invention
The invention aims to provide a universal vibration isolation shaping product, which is a universal vibration isolation platform consisting of serialized basic vibration isolation units. The vibration isolation unit is suitable for vibration isolation of building service equipment, equipment rooms and building auxiliary facilities, and the type of the vibration isolation unit is selected according to the working load range. The vibration isolation design procedure can be simplified, the design and manufacturing and installation costs are reduced, and the vibration isolation effect meets the design requirement of blocking the sound transmission of a solid structure.
The technical scheme adopted by the invention for solving the technical problems is as follows: a universal vibration isolation platform is applied to building indoor vibration isolation platforms and public vibration isolation platforms of multiple devices and comprises a plurality of cubic vibration isolation units, wherein each vibration isolation unit comprises a rigid groove-shaped shell with an inward folded corner at the bottom, a rigid groove-shaped base, compression steel springs, mounting members, a bean bag damper, a rigid bearing structure and a bottom damping vibration pad, the rigid bearing structure is formed by reliably welding two U-shaped steels which are transversely and longitudinally arranged at equal intervals with the rigid groove-shaped shell to form a nine-grid rigid bearing structure, 1 compression steel spring is respectively arranged at each of four corners in the rigid groove-shaped shell, a compression steel spring group is arranged in the middle of the rigid groove-shaped shell, and the bean bag damper is arranged in the U-shaped steel.
The bean bag damper is a novel impact particle damping vibration attenuation structure which uses tough and wear-resistant soft bags to package damping particles to replace rigid mass blocks. The bean bag damper can achieve the purposes of vibration loss and vibration reduction by damping a large amount of collision, slippage and friction among particles. It has the advantages of wide vibration damping frequency band, small impact force, no noise, etc. And determining the height and width of the U-shaped steel and the specification weight of the bean bag damper according to the working load of the vibration isolation unit. The larger the working load of the vibration isolation unit is, the larger the weight of the rigid bearing structure and the bean bag damper is. And selecting the thickness of the steel plate of the rigid groove-shaped shell and the type of the rigid bearing structure according to the load property borne by the vibration isolation platform. And determining the rigidity and the working load of the compression steel springs and the number of the compression steel springs forming the compression steel spring group according to the load borne by the vibration isolation platform. The width of the internal folding angle of the groove bottom of the rigid groove-shaped shell is larger than 15mm, and the internal folding angle of the groove bottom can meet the load bearing capacity of the vibration isolation unit in the transportation and installation process.
The mounting component is composed of a rigid upper plate and a rigid lower plate which are arranged at the upper and lower parts of the compression steel spring, the rigid upper plate is reliably connected with the inside of the rigid groove-shaped shell, the rigid lower plate is reliably connected with the inside of the rigid groove-shaped base, the edge groove of the rigid groove-shaped base is upwards embedded into the inner break angle of the groove bottom of the rigid groove-shaped shell to form an integral vertical vibration isolation unit, and a damping vibration pad is arranged at the bottom of the rigid groove-shaped base. The vibration isolation units are connected in a welding mode and a nail-free glue cross wedge port connection mode to form an integral universal vibration isolation platform. When the vibration isolation platform is used as a public vibration isolation platform of a plurality of devices, a reinforced concrete bearing surface layer and a device foundation can be arranged on the public vibration isolation platform, and a rubber vibration absorber is arranged between the vibration source device base and the device foundation.
The specification of the basic vibration isolation unit is 0.8m multiplied by 0.8m, and the vibration isolation units are respectively 115 kg-220 kg, 200 kg-380 kg, 320 kg-600 kg, 540 kg-1000 kg and 900 kg-1700 kg according to 5 models of working load ranges. The types and the number of the vibration isolation units are determined according to the load range, and the formed vibration isolation platform can meet various load requirements of vibration isolation platforms of gymnasiums, vibration isolation platforms of movie theaters in buildings, vibration isolation platforms of bar sound night places and the like. The vibration isolation unit can be used as an equipment vibration isolation pedestal, and a plurality of vibration isolation units can also be combined into a common vibration isolation platform for a plurality of pieces of equipment. As the equipment vibration isolation platform, the unit type and the number of the vibration isolation platform are selected according to the working load and the distribution area of the equipment and supporting facilities.
The beneficial effects of the invention are:
1) and selecting the type of the vibration isolation unit according to the working load range. The vibration isolation design procedure can be simplified, and the design cost is reduced;
2) the vibration isolation unit forms standardized series of shaped products, forms corresponding pedestal model process drawings, standardizes production, ensures product quality and reduces production cost;
3) the vibration isolation unit is assembled on site, the workload of site operation is reduced, the work efficiency is improved, the installation and construction are simple, the cost is low, and the high-efficiency and energy-saving requirements are met.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a top view of the vibration damping unit according to the first embodiment.
Fig. 2 is a side view of the construction of fig. 1.
Fig. 3 is a plan view of the vibration isolation floor of the first embodiment.
Fig. 4 is a side view of the common vibration isolation platform of the second embodiment.
In the figure, 1, a vibration isolation unit, 2, a rigid groove-shaped shell, 21, a rigid force bearing structure, 211, U-shaped steel, 22, a bun damper, 23, a groove bottom internal folding angle, 3, a rigid groove-shaped base, 31, a damping vibration attenuation pad, 4, a compression steel spring, 41, a compression steel spring group, 42, a mounting member, 421, a rigid upper plate, 422, a rigid lower plate, 5, a public vibration isolation platform, 51 a bearing surface layer, 52 an equipment foundation, 53, an equipment base and 54, a rubber vibration absorber are arranged.
Detailed Description
In the embodiment shown in fig. 1, 2 and 3, the universal vibration isolation platform is a common vibration isolation platform applied to a building vibration isolation platform and a plurality of devices and composed of a plurality of cubic vibration isolation units (1), wherein each vibration isolation unit (1) comprises a rigid groove-shaped shell (2) with an inner folded corner (23) at the bottom of a groove, a rigid groove-shaped base (3), a compression steel spring (4), a mounting member (42), a bean bag damper (22), a rigid force bearing structure (21) and a bottom damping vibration pad (31). The rigid bearing structure (21) is formed by reliably welding two U-shaped steels (211) which are transversely and longitudinally arranged at equal intervals with the rigid groove-shaped shell (2) to form the rigid bearing structure (21) in a nine-grid mode, 1 compression steel spring (4) is respectively arranged in four corners in the rigid groove-shaped shell (2), a compression steel spring group (41) is arranged in the middle, and the bean bag damper (22) is arranged in the U-shaped steel (211).
The bean bag damper (22) is a novel impact particle damping vibration attenuation structure which uses tough and wear-resistant soft bags to package damping particles and replaces rigid mass blocks. According to the working load of the vibration isolation unit (1), the height and the width of the U-shaped steel (211) and the specification weight of the bean bag damper (22) are determined. The width of the inner bevel (23) of the groove bottom of the rigid groove-shaped shell (2) is larger than 15mm, and the inner bevel (23) of the groove bottom can meet the load bearing capacity of the vibration isolation unit (1) in the transportation and installation processes.
The mounting component (42) is formed by arranging a rigid upper plate (421) and a rigid lower plate (422) on the upper part and the lower part of the compression steel spring (4), the rigid upper plate (421) is reliably connected with the inside of the rigid groove-shaped shell (2) and the rigid lower plate (422) is reliably connected with the inside of the rigid groove-shaped base (3), a side groove of the rigid groove-shaped base (3) is upwards embedded into a groove bottom inner folded angle (23) of the rigid groove-shaped shell (2) to form an integral vertical vibration isolation unit, and a damping vibration attenuation pad (31) is mounted at the bottom of the rigid groove-shaped base (3).
In the second embodiment shown in fig. 4, when the vibration isolation platform is used as a common vibration isolation platform (5) of a plurality of devices, a reinforced concrete bearing surface layer (51) and a device foundation (52) can be arranged on the common vibration isolation platform (5), and a rubber damper (54) can be arranged between a vibration source device base (53) and the device foundation (52).
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 (6)
1. The utility model provides a general vibration isolation platform, is applied to the public vibration isolation platform of building indoor vibration isolation platform, many equipment by what a plurality of cubic vibration isolation units constitute, and the vibration isolation unit includes rigid groove shape shell, rigid groove shape base, compression steel spring and the installation component of tank bottom internal break angle, bean package attenuator, rigidity load structure, bottom damping vibration pad are constituteed characterized by: the rigid bearing structure is formed by reliably welding two U-shaped steels which are transversely and longitudinally arranged at equal intervals and a rigid groove-shaped shell, the four corners of the rigid bearing structure are respectively provided with 1 compression steel spring, the middle part of the rigid bearing structure is provided with a compression steel spring group, and the bean bag damper is arranged in the U-shaped steel.
2. A universal vibration isolation platform according to claim 1, wherein: the bean bag damper is a novel impact particle damping vibration attenuation structure which uses tough and wear-resistant soft bags to package damping particles to replace rigid mass blocks.
3. A universal vibration isolation platform according to claim 1, wherein: and determining the height and width of the U-shaped steel and the specification weight of the bean bag damper according to the working load of the vibration isolation unit.
4. A universal vibration isolation platform according to claim 1, wherein: the width of the internal bevel of the groove bottom of the rigid groove-shaped shell is larger than 15mm, and the internal bevel of the groove bottom can meet the load bearing capacity of the vibration isolation unit in the transportation and installation process.
5. A universal vibration isolation platform according to claim 1, wherein: the mounting component is composed of a rigid upper plate and a rigid lower plate which are arranged at the upper and lower parts of the compression steel spring, the rigid upper plate is reliably connected with the inside of the rigid groove-shaped shell, the rigid lower plate is reliably connected with the inside of the rigid groove-shaped base, the edge groove of the rigid groove-shaped base is upwards embedded into the inner break angle of the groove bottom of the rigid groove-shaped shell to form an integral vertical vibration isolation unit, and a damping vibration pad is arranged at the bottom of the rigid groove-shaped base.
6. A universal vibration isolation platform according to claim 1, wherein: when the vibration isolation platform is used as a public vibration isolation platform of a plurality of devices, a reinforced concrete bearing surface layer and a device foundation can be arranged on the public vibration isolation platform, and a rubber vibration absorber is arranged between the vibration source device base and the device foundation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210191017.4A CN114658799A (en) | 2022-03-01 | 2022-03-01 | Universal vibration isolation platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210191017.4A CN114658799A (en) | 2022-03-01 | 2022-03-01 | Universal vibration isolation platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114658799A true CN114658799A (en) | 2022-06-24 |
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ID=82027127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210191017.4A Pending CN114658799A (en) | 2022-03-01 | 2022-03-01 | Universal vibration isolation platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114658799A (en) |
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2022
- 2022-03-01 CN CN202210191017.4A patent/CN114658799A/en active Pending
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