CN106639472A - Eddy current tuned mass damper - Google Patents
Eddy current tuned mass damper Download PDFInfo
- Publication number
- CN106639472A CN106639472A CN201611197794.0A CN201611197794A CN106639472A CN 106639472 A CN106639472 A CN 106639472A CN 201611197794 A CN201611197794 A CN 201611197794A CN 106639472 A CN106639472 A CN 106639472A
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- China
- Prior art keywords
- spring
- permanent magnet
- spiral head
- guide rod
- tuned mass
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Classifications
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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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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention belongs to the technical field of energy dissipation and vibration reduction of disaster prevention and reduction and particularly relates to an eddy current tuned mass damper. The eddy current tuned mass damper comprises an upper top plate and a mass block composed of mass block bodies; connecting holes are formed around the upper top plate and the mass block bodies, the upper top plate is provided with spring connecting holes for being connected with spring spiral heads; lifting screw holes are formed in the two sides of the upper top plate; the upper spring spiral heads are connected with the upper top plate and provided with screw threads for being connected with springs; the lower spring spiral heads are connected with a lower bottom plate and provided with screw threads for being connected with springs; permanent magnets are disposed between the springs and the lower spring spiral heads; the permanent magnets and the lower spring spiral heads are in bolt connection; and a middle guide rod and the lower bottom plate are in bolt connection, the permanent magnets are arranged outside the middle guide rod, and the permanent magnets are in bolt connection with the middle guide rod. The eddy current tuned mass damper has the advantages of being high in damping, adjustable in frequency according to different working conditions, good in durability and easy to replace.
Description
Technical field
The invention belongs to the technical field of energy-eliminating shock-absorbing of preventing and reducing natural disasters, and in particular to a kind of eddy current tuned mass damping
Device.
Background technology
Damper, is to provide the resistance of motion, the device of depletion kinergety.It is not assorted come energy-absorbing damping using damping
New technology, applies already various dampers in space flight, aviation, military project, firearms, automobile and other industries（Or damper）
Carry out vibration damping energy dissipating.From after nineteen seventies, people start step by step these technologies to be converted to building, bridge, railway
Etc. in Structural Engineering, its development is very rapid.
Tuned mass damper（TMD）By mass, spring is constituted with damping system.Both by its vibration frequency is adjusted to master
Near structure frequency, change mesomerism characteristic, to reach cushioning effect.The damping system of common tuned mass damper be by
Fluid linking damper provides damping, and fluid linking damper easily produces liquid during commonly using and reveals problem, flows out in liquid
Afterwards, the damping that fluid linking damper is provided will also decrease, the damping effect of impact damper, and in use, it is viscid
The poor durability of damper, endlessly changes, and affects the persistence of overall structure anti-seismic performance.
In recent years, Global Strong Earthquake takes place frequently, and the building loss for causing is huge, how further to improve damper in violent earthquake
Energy dissipation capacity under effect so as to more excellent anti-seismic performance, with very clear and definite scientific meaning and important practicality
Value.In order to effectively improve the anti-seismic performance of damper, various forms of On A Retrofitted Dampers are continued to bring out, including powered whirlpool
Still among existing current vortex tuned mass damper, great majority are replaced with eddy current damper to stream TMD dampers
Fluid linking damper.
The content of the invention
It is an object of the invention to avoid of the prior art not enough and a kind of eddy current tuned mass damper is provided, its
Damping big, frequency with offer can carry according to different Operating condition adjustments, good endurance and easily changeable advantage, and component utilization rate
Height, plays multinomial effect, and saving steel, satisfiability can change the requirement of design.
For achieving the above object, the technical scheme of the concrete offer of the present invention is：A kind of eddy current tuned mass damper, bag
The mass being made up of upper plate and quality block main body is included, upper plate and quality block main body are formed around connecting hole, using bolt
Connection, upper plate is provided with spring connecting hole connecting spring spiral head, and is provided with hoisting screw hole in both sides, and quality block main body is provided with
Spring eye and permanent magnetism body opening, upper springs spiral head is connected with upper plate, and opens screw thread and be connected with spring, lower springs spiral head
It is connected with lower shoe, and opens screw thread and be connected with spring, permanent magnet is provided between spring and lower springs spiral head, permanent magnet is with
Portion's spring spiral head is provided with bolt connection, and middle part guide rod uses bolt connection, outside the guide rod of middle part permanent magnet is provided with lower shoe,
Using bolt connection.
Wherein, permanent magnet is that neodymium iron boron etc. has electromagnetic field component, can form relative motion with external mass block main body.
Wherein, institute's permanent magnet is at least two, is provided with permanent magnet outside lower springs spiral head, middle part guide rod respectively.
The permanent magnet is respectively provided with lower springs spiral head, middle part guide rod, and magnetizing direction radially, or forms internal/external ring type, but
It is spring spiral head, permanent magnet answers magnetic pole conversely, increasing its induced-current at the guide rod of middle part, increases the damping of damper.
Wherein, permanent magnet can be annular, semicircle, and the different shape such as sector is connected with spring spiral head, middle part guide rod.
Wherein, upper springs spiral head is connected with upper plate, and opens screw thread and be connected with spring, and lower springs spiral head is with
Base plate connects, and opens screw thread and be connected with spring, and permanent magnet and lower springs spiral head are provided with bolt connection, middle part guide rod with go to the bottom
Plate uses bolt connection, permanent magnet is provided with outside the guide rod of middle part, using bolt connection.
As a result of above-mentioned structure, the present invention has the advantages that compared with prior art：
1st, it is capable of achieving frequency and damped coefficient is independently adjusted, frequency can be adjusted by mass, and damping can be adjusted by permanent magnetism shape etc.
It is whole, it is flexibly applied to all kinds of buildings and all kinds of operating modes.
2nd, among damper, mass not only plays offer mass action, more importantly can be in relative movement
Middle cutting magnetic field, is converted into the energy of input structure electric energy and is then converted to interior energy and consumed.
3rd, permanent magnet also not only provides magnetic field, can also replace guide rod to maintain spring direction.
4th, by adjusting permanent magnet, mass parameter, spring set-up mode and performance parameter, so as to meet the performance of structure
Change design.
5th, permanent magnet is arranged, not only saves space, reduce tuned mass damper size, also a saving spring guide
Material.
6th, mass not only only has tuned mass damper offer quality, has inertia force to act on, or eddy current damper
A part, to carry out converting input energy that the power consumption mechanism of interior energy is then converted to for electric energy.
7th, in the case where the requirement of power consumption and frequency is met, compared with other tuned mass dampers, damper can substantially be increased
Service life, reduce change difficulty, increase part utilization rate, reduce comprehensive cost.
Description of the drawings
Fig. 1 is the structural representation of the embodiment one of eddy current tuned mass damper；
Fig. 2 is the elevation of the embodiment one of eddy current tuned mass damper；
Fig. 3 is the side view of the embodiment one of eddy current tuned mass damper；
Fig. 4 is the upper plate top view of the embodiment one of eddy current tuned mass damper；
Fig. 5 is the mass top view of the embodiment one of eddy current tuned mass damper；
Fig. 6 is the cutting rough schematic of the embodiment one of eddy current tuned mass damper.
Specific embodiment
In order that those skilled in the art more fully understands technical scheme, it is below in conjunction with the accompanying drawings and concrete real
The present invention is described in further detail to apply example, it should be noted that in the case where not conflicting, embodiments herein and
Feature in embodiment can be mutually combined.
Embodiment one
Referring to Fig. 1～6, the new eddy current tuned mass damper of the present embodiment, including 1, upper plate (1) and quality block main body
(2) mass of composition；2nd, upper plate (1) is formed around connecting hole (3) with quality block main body (2), using bolt connection；3rd, on
Top board (1) is provided with spring connecting hole (4) connecting spring spiral head (5), and is provided with hoisting screw hole (6) in both sides, convenient to install；
4th, quality block main body (2) is provided with spring eye (4) and permanent magnetism body opening (7), is spring（8）And permanent magnet（10）Space is provided；5、
Upper springs spiral head (5) is connected with upper plate, and opens screw thread and be connected with spring (8)；6th, lower springs spiral head (5) with go to the bottom
Plate (9) connects, and opens screw thread and be connected with spring (8)；7th, (5) are provided with permanent magnet between spring (8) and lower springs spiral head
(10), permanent magnet (10) is provided with bolt connection with lower springs spiral head (5)；8th, middle part guide rod (11) is used with lower shoe (9)
Permanent magnet (10) is provided with outside bolt connection, middle part guide rod (11), using bolt connection.
The permanent magnet connected on the spring spiral head (5)（10）.According to different performance requirements, permanent magnet（10）Chi
Very little, shape can be adjusted, and such as sector can facilitate radial magnetizing and high efficiency cutting.To ensure the damping performance of damper,
Can arrange and arrange permanent magnet in whole or in part（10）And adjustment quality block main body（2）Size.
In a word, although the present invention illustrates above-mentioned preferred embodiment, although it should be noted that those skilled in the art
Member can carry out various change and remodeling, unless such change and remodeling deviate from the scope of the present invention, otherwise all should wrap
Include within the scope of the present invention.
Claims (6)
1. a kind of current vortex tuned mass damper, it is characterised in that：Include upper plate (1) and quality block main body (2) composition
Mass, upper plate (1) and quality block main body (2) be formed around connecting hole (3), be bolted, and upper plate (1) is provided with
Spring connecting hole (4) connecting spring spiral head (5), and hoisting screw hole (6) is provided with both sides, quality block main body (2) is provided with bullet
Spring hole (4) and permanent magnetism body opening (7), upper springs spiral head (5) is connected with upper plate, and opens screw thread and be connected with spring (8), bottom
Spring spiral head (5) is connected with lower shoe (9), and opens screw thread and be connected with spring (8), spring (8) and lower springs spiral head it
Between (5) be provided with permanent magnet (10), permanent magnet (10) and lower springs spiral head (5) are provided with bolt connection, middle part guide rod (11) with
Lower shoe (9) is bolted, and outside middle part guide rod (11) permanent magnet (10) is provided with, and is bolted.
2. a kind of current vortex tuned mass damper according to claim 1, it is characterised in that：The spring spiral head
(5) it is provided with permanent magnet outside（10）.
3. a kind of current vortex tuned mass damper according to claim 1, it is characterised in that：Permanent magnet（10）For neodymium iron
Boron has electromagnetic field component, can be with external mass block main body（2）Form relative motion.
4. a kind of current vortex tuned mass damper according to claim 1, it is characterised in that institute's permanent magnet（10）Be to
It is few two, it is provided with permanent magnet (10) outside lower springs spiral head (5), middle part guide rod (11) respectively.
5. eddy current tuned mass damper according to any one of claim 1 to 4, it is characterised in that：The permanent magnetism
Body (10) is respectively provided with lower springs spiral head (5), middle part guide rod (11), and magnetizing direction radially, or forms internal/external ring type；
Spring spiral head (5), middle part guide rod (11) place permanent magnet（10）Answer magnetic pole contrary.
6. eddy current tuned mass damper according to claim 5, it is characterised in that：Permanent magnet（10）Can for annular or
Semicircle or sector is connected with spring spiral head (5), middle part guide rod (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611197794.0A CN106639472A (en) | 2016-12-22 | 2016-12-22 | Eddy current tuned mass damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611197794.0A CN106639472A (en) | 2016-12-22 | 2016-12-22 | Eddy current tuned mass damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106639472A true CN106639472A (en) | 2017-05-10 |
Family
ID=58835183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611197794.0A Pending CN106639472A (en) | 2016-12-22 | 2016-12-22 | Eddy current tuned mass damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106639472A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107327038A (en) * | 2017-06-19 | 2017-11-07 | 同济大学 | A kind of eddy current tuned mass damper based on vibration energy regeneration |
| CN109914632A (en) * | 2019-03-28 | 2019-06-21 | 云南震安减震科技股份有限公司 | Tuned mass damper |
| CN111173156A (en) * | 2020-01-10 | 2020-05-19 | 上海大学 | Vertical plate type eddy current tuned mass damper |
| CN111981084A (en) * | 2020-08-21 | 2020-11-24 | 电子科技大学 | Eddy current damper |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101499886B1 (en) * | 2013-10-24 | 2015-03-12 | 주식회사 브이테크 | Permanent magnet damper and tuned mass damper having the same |
| CN105156532A (en) * | 2015-09-02 | 2015-12-16 | 西北工业大学 | Permanent magnet type eddy current energy-consumption dynamic vibration absorber |
| CN105386403A (en) * | 2015-10-21 | 2016-03-09 | 华北水利水电大学 | Assembled type current vortex tuned mass damper for pedestrian bridge and manufacturing method |
-
2016
- 2016-12-22 CN CN201611197794.0A patent/CN106639472A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101499886B1 (en) * | 2013-10-24 | 2015-03-12 | 주식회사 브이테크 | Permanent magnet damper and tuned mass damper having the same |
| CN105156532A (en) * | 2015-09-02 | 2015-12-16 | 西北工业大学 | Permanent magnet type eddy current energy-consumption dynamic vibration absorber |
| CN105386403A (en) * | 2015-10-21 | 2016-03-09 | 华北水利水电大学 | Assembled type current vortex tuned mass damper for pedestrian bridge and manufacturing method |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107327038A (en) * | 2017-06-19 | 2017-11-07 | 同济大学 | A kind of eddy current tuned mass damper based on vibration energy regeneration |
| CN109914632A (en) * | 2019-03-28 | 2019-06-21 | 云南震安减震科技股份有限公司 | Tuned mass damper |
| CN111173156A (en) * | 2020-01-10 | 2020-05-19 | 上海大学 | Vertical plate type eddy current tuned mass damper |
| CN111981084A (en) * | 2020-08-21 | 2020-11-24 | 电子科技大学 | Eddy current damper |
| CN111981084B (en) * | 2020-08-21 | 2021-05-18 | 电子科技大学 | Eddy current damper |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170510 |
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| RJ01 | Rejection of invention patent application after publication |