CN111206696B - Stable shock isolation device with multiple tuned mass dampers - Google Patents
Stable shock isolation device with multiple tuned mass dampers Download PDFInfo
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- CN111206696B CN111206696B CN202010089631.0A CN202010089631A CN111206696B CN 111206696 B CN111206696 B CN 111206696B CN 202010089631 A CN202010089631 A CN 202010089631A CN 111206696 B CN111206696 B CN 111206696B
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- support
- tuned mass
- damper
- spring
- baffle
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a stable shock isolation device with multiple tuned mass dampers, belongs to the technical field of shock absorption and shock isolation, and aims to solve the problems that a traditional shock absorption device is poor in shock absorption effect on earthquakes or mechanical vibration and low in shock absorption stability of the shock absorption device. The vibration isolation system comprises a supporting system, a vibration isolation system and a multi-tuned mass damper system; the supporting system is fixedly arranged on the ground, the vibration isolation system is arranged on the supporting system in a sliding mode, the multi-tuned mass damper system is arranged on the vibration isolation system, and the multi-tuned mass damper system is composed of a plurality of tuned mass dampers. The stable shock isolation device with the multiple tuned mass dampers can improve the shock absorption effect aiming at earthquake or mechanical vibration and enhance the shock absorption stability of the whole shock absorption device.
Description
Technical Field
The invention relates to a vibration isolation and shock absorption device, in particular to a stable vibration isolation device with a multi-tuned mass damper, and belongs to the technical field of vibration isolation and shock absorption.
Background
Earthquake is a natural phenomenon which cannot be avoided in human society, and casualties and economic losses caused by earthquake are 90% or more caused by building collapse. Therefore, all countries in the world aim to make engineering earthquake resistance and disaster reduction work, improve the earthquake fortification level of construction engineering and improve the earthquake resistance of the construction engineering. The basic seismic isolation technology is one of mature high and new technologies which are widely popularized and applied in the world seismic engineering world at present, the seismic isolation technology is also applied to various types of mechanical equipment, but the seismic isolation devices are all at the cost of displacement sacrifice, and the seismic isolation effect of the seismic isolation devices on pulse type seismic oscillation and seismic oscillation with abundant long period content is relatively weak.
Disclosure of Invention
The invention aims to provide a stable shock isolation device with multiple tuned mass dampers, which aims to solve the problems of poor shock absorption effect of the traditional shock absorption device on earthquake or mechanical vibration and low shock absorption stability of the shock absorption device.
A stable vibration isolation device with multiple tuned mass dampers comprises a supporting system, a vibration isolation system and multiple tuned mass damper systems;
the supporting system is fixedly arranged on the ground, the vibration isolation system is arranged on the supporting system in a sliding mode, the multi-tuned mass damper system is arranged on the vibration isolation system, and the multi-tuned mass damper system is composed of a plurality of tuned mass dampers.
Preferably: the supporting system comprises foot supports and rails, the foot supports are symmetrically arranged on the ground, and a plurality of rails are arranged between the two symmetrically arranged foot supports in parallel.
Preferably: the track is a linear optical axis.
Preferably: the vibration isolation system comprises a support, a baffle, a damping system and a pull rod, wherein the support and the baffle are arranged on the rail in a sliding mode, the baffle is located between two vertical plates of the support, a plurality of pull rods are arranged between the two vertical plates of the support, the baffle is connected with the pull rods in a sliding mode, the damping system is arranged on the two sides of the baffle, one end of the damping system is connected with a foot support, the other end of the damping system penetrates through the vertical plates of the support and is connected with the baffle, and the damping system is not in contact with the vertical plates of the.
Preferably: the damping system comprises a damper and a first spring, one end of the damper and one end of the first spring are connected with the foot supports, the other ends of the damper and the first spring are connected with the baffle, and the first spring is sleeved outside the damper.
Preferably: the tuned mass damper comprises a guide rod, a mass block and a second spring, wherein two ends of the guide rod are respectively connected with vertical plates on two sides of the support, the mass block is arranged on the guide rod in a sliding mode, and two ends of the mass block are respectively connected with the vertical plates on two sides of the support through the second spring.
Compared with the existing product, the invention has the following effects:
the vibration isolation device comprises a multiple tuned mass damper stabilizing device, wherein the multiple tuned mass dampers are uniformly tuned to the frequency of the vibration isolation device through distributed tuning, and when the vibration isolation device works, the tuned mass unit transmits energy to a mass block through vibration, so that the displacement and acceleration response of a vibration isolation layer are properly reduced. In addition, when the seismic isolation device suffers from impulse type seismic motion or long-period seismic motion, the tuning mass transfers energy to the mass unit per se as much as possible through resonance with the seismic isolation layer, so that the damping stability of the whole damping device is enhanced, and the sensitivity of the damping device to a controlled device is reduced.
Drawings
FIG. 1 is a schematic structural diagram of a stable vibration isolation device with multiple tuned mass dampers;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a schematic structural view of the support system;
FIG. 4 is a schematic view of the vibration isolation system;
figure 5 is a schematic diagram of a multiple tuned mass damper system.
In the figure: 1-support system, 2-vibration isolation system, 3-multiple tuned mass damper system, 4-foot support, 5-rail, 6-bracket, 7-baffle, 8-damping system, 8-1-damper, 8-2-first spring, 9-pull rod, 10-guide rod, 11-mass block and 12-second spring.
Detailed Description
Preferred embodiments of the present invention are explained in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 5, the stable seismic isolation device with multiple tuned mass dampers of the present invention comprises a support system 1, a vibration isolation system 2 and a multiple tuned mass damper system 3;
the supporting system 1 is fixedly arranged on the ground, the vibration isolation system 2 is arranged on the supporting system 1 in a sliding mode, the multi-tuned mass damper system 3 is arranged on the vibration isolation system 2, and the multi-tuned mass damper system 3 is a plurality of tuned mass dampers.
Further: the supporting system 1 comprises foot supports 4 and tracks 5, the foot supports 4 are symmetrically arranged on the ground, a plurality of tracks 5 are arranged between the two foot supports 4 which are symmetrically arranged in parallel, and the vibration isolation system 2 is arranged on the tracks 5 in a sliding mode.
Further: the track 5 is a straight optical axis.
Further: vibration isolation system 2 includes support 6, baffle 7, damping system 8 and pull rod 9, support 6 and baffle 7 slide to set up on track 5, and baffle 7 is located between two risers of support 6, be equipped with a plurality of pull rods 9 between two risers of support 6, baffle 7 and a plurality of pull rod 9 sliding connection, the both sides of baffle 7 all are equipped with damping system 8, damping system 8's one end is connected with heel brace 4, damping system 8's the other end passes the riser of support 6 and is connected with baffle 7, and damping system 8 does not contact with the riser of support 6, a plurality of harmonious mass dampers set up between two risers of support 6.
Further: the damping system 8 comprises a damper 8-1 and a first spring 8-2, one end of the damper 8-1 and one end of the first spring 8-2 are connected with the foot support 4, the other end of the damper 8-1 and the other end of the first spring 8-2 are connected with the baffle 7, and the first spring 8-2 is sleeved outside the damper 8-1.
Further: the tuned mass damper comprises a guide rod 10, a mass block 11 and a second spring 12, wherein two ends of the guide rod 10 are respectively connected with vertical plates on two sides of the support 6, the mass block 11 is arranged on the guide rod 10 in a sliding mode, two ends of the mass block 11 are respectively connected with vertical plates on two sides of the support 6 through the second spring 12, and the second spring 12 is sleeved outside the guide rod 10.
The support system comprises a foot support, a track and the like, and is fixed on the ground to provide a sliding path for the vibration isolation system.
The shock insulation system is seated on the slide rail and can slide on the slide rail. The slide rail bears the mass of the shock isolation system, one end of the spring and the damper are connected with the lower supporting piece, and the other end of the spring is connected with the baffle in the middle of the shock isolation system. Vertical plates at two ends of the shock insulation support are provided with openings which are not in contact with the spring and the damper.
The multiple tuned mass damper comprises a guide rod, a mass block and a spring. The guide rod is fixedly connected with vertical plates at two ends of the shock insulation support. The mass block is sleeved on the guide rod and slides on the guide rod, one end of the spring is connected with the vertical plate, and the other end of the spring is connected with the mass block.
This embodiment is only illustrative of the patent and does not limit the scope of protection thereof, and those skilled in the art can make modifications to its part without departing from the spirit of the patent.
Claims (4)
1. The utility model provides a take multiple harmonious mass damper's stable shock isolation device which characterized in that: comprises a support system (1), a vibration isolation system (2) and a multi-tuned mass damper system (3);
the supporting system (1) is fixedly arranged on the ground, the vibration isolation system (2) is arranged on the supporting system (1) in a sliding mode, the multi-tuned mass damper system (3) is arranged on the vibration isolation system (2), and the multi-tuned mass damper system (3) is composed of a plurality of tuned mass dampers;
the supporting system (1) comprises foot supports (4) and tracks (5), the foot supports (4) are symmetrically arranged on the ground, a plurality of tracks (5) are arranged between the two symmetrically arranged foot supports (4) in parallel, and the vibration isolation system (2) is arranged on the tracks (5) in a sliding manner;
vibration isolation system (2) includes support (6), baffle (7), damping system (8) and pull rod (9), support (6) and baffle (7) slide and set up on track (5), and baffle (7) are located between two risers of support (6), be equipped with a plurality of pull rods (9) between two risers of support (6), baffle (7) and a plurality of pull rod (9) sliding connection, the both sides of baffle (7) all are equipped with damping system (8), the one end of damping system (8) is connected with heel brace (4), the other end of damping system (8) passes the riser of support (6) and is connected with baffle (7), and damping system (8) do not contact with the riser of support (6), a plurality of harmonious mass dampers set up between two risers of support (6).
2. The stable seismic isolation device with multiple tuned mass dampers according to claim 1, wherein: the track (5) is a linear optical axis.
3. The stable seismic isolation device with multiple tuned mass dampers according to claim 1, wherein: the damping system (8) comprises a damper (8-1) and a first spring (8-2), one end of the damper (8-1) and one end of the first spring (8-2) are connected with the foot support (4), the other end of the damper (8-1) and the other end of the first spring (8-2) are connected with the baffle (7), and the first spring (8-2) is sleeved outside the damper (8-1).
4. The stable seismic isolation device with multiple tuned mass dampers according to claim 1, wherein: the tuned mass damper comprises a guide rod (10), a mass block (11) and a second spring (12), wherein two ends of the guide rod (10) are respectively connected with vertical plates on two sides of a support (6), the mass block (11) is arranged on the guide rod (10) in a sliding mode, two ends of the mass block (11) are respectively connected with vertical plates on two sides of the support (6) through the second spring (12), and the second spring (12) is sleeved outside the guide rod (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010089631.0A CN111206696B (en) | 2020-02-12 | 2020-02-12 | Stable shock isolation device with multiple tuned mass dampers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010089631.0A CN111206696B (en) | 2020-02-12 | 2020-02-12 | Stable shock isolation device with multiple tuned mass dampers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111206696A CN111206696A (en) | 2020-05-29 |
| CN111206696B true CN111206696B (en) | 2020-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010089631.0A Expired - Fee Related CN111206696B (en) | 2020-02-12 | 2020-02-12 | Stable shock isolation device with multiple tuned mass dampers |
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| CN (1) | CN111206696B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112796432B (en) * | 2021-01-26 | 2024-07-30 | 广州大学 | Internally-bumping vibration type multi-mass damper |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE59104139D1 (en) * | 1990-10-01 | 1995-02-16 | Porsche Ag | Device for damping torsional vibrations. |
| CN203891246U (en) * | 2014-06-13 | 2014-10-22 | 山东大学 | Bidirectional frequency modulation and collision energy consumption vibration damper |
| CN104612280B (en) * | 2015-02-06 | 2017-08-25 | 山东大学 | Compound energy-consumption damping control device |
| CN205207532U (en) * | 2015-12-17 | 2016-05-04 | 中国地震局工程力学研究所 | One -way damping case of assembled based on harmonious mass damper principle |
| CN205475805U (en) * | 2016-03-21 | 2016-08-17 | 同济大学 | Novel harmonious mass damper of material granule |
| CN106522400B (en) * | 2016-12-22 | 2019-03-19 | 浙江建科减震科技有限公司 | Multi-threshold control type tuned mass damper |
| CN107938497A (en) * | 2018-01-02 | 2018-04-20 | 湖南省潇振工程科技有限公司 | Vertical tuned mass damper |
| CN208605536U (en) * | 2018-07-02 | 2019-03-15 | 苏州爱扬汽车零部件有限公司 | A kind of damper |
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- 2020-02-12 CN CN202010089631.0A patent/CN111206696B/en not_active Expired - Fee Related
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| CN111206696A (en) | 2020-05-29 |
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Granted publication date: 20201124 Termination date: 20220212 |