CN108316506A - A kind of two-layer magnetic suspension universal type horizontal tuned mass damper - Google Patents
A kind of two-layer magnetic suspension universal type horizontal tuned mass damper Download PDFInfo
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- CN108316506A CN108316506A CN201810306210.1A CN201810306210A CN108316506A CN 108316506 A CN108316506 A CN 108316506A CN 201810306210 A CN201810306210 A CN 201810306210A CN 108316506 A CN108316506 A CN 108316506A
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- Prior art keywords
- damper
- plate
- magnetic suspension
- spring
- permanent magnet
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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
- E04H9/0215—Bearing, supporting or connecting constructions specially adapted for such buildings involving active or passive dynamic mass damping systems
-
- 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 discloses a kind of two-layer magnetic suspension universal type horizontal tuned mass dampers, including superstructure structure, substrustion structure, pull rod and magnetic suspension pedestal etc., it is provided with base-plate in the substrustion structure, vertical ring flat-plate is provided on the base-plate, the vertical ring flat-plate and base-plate are integrated, the centre position that the vertical ring flat-plate encloses is provided with mass block, it is radially connected between the mass block and the vertical ring flat-plate to have spring and damper, it is provided with magnetic suspension pedestal in the superstructure structure, the magnetic suspension pedestal includes lower permanent magnet and upper permanent magnet, the lower permanent magnet is identical as upper permanent magnet opposite face magnetism.The present invention solve external drive it is smaller in the case of TMD the problem of cannot starting, cannot playing a role；The present invention can adjust respective direction TMD vibration frequencies, reach the optimum efficiency of comprehensive tuning vibration damping according to the different vibration frequency of controlled structures different directions.
Description
Technical field
The invention belongs to the horizontal vibration control device technical fields of civil engineering structure, and in particular to a kind of two-layer magnetic
Suspension universal type horizontal tuned mass damper.
Background technology
Structural vibration tuning quality damps (TMD) control device as a kind of dynamic vibration absorber, in high-rise and tall and slender structure,
Before large span has a wide range of applications with dynamic response control aspect of the soft structure under wind, earthquake and Pedestrian Load equal excitation
Scape.This device has apparent control effect to the vibration of structure, and the influence to building function is smaller, only takes up few build
Area is built, is easily installed, repairs and replaces.
TMD is made of mass block, elastic element, three big component of damping element, and maximum component is inertia mass.Inertia matter
The key technology that the supporting way in main structure is TMD devices is measured, it need to ensure that inertia mass and the main structure vibration shape are humorous
Center of percussion has determining natural vibration period and damping.The inertia mass of TMD systems may be used multistage pendulum, inverted pendulum, hydraulic support system,
Laminated rubber bearing etc. is hung or support：
More vertical sky need to be occupied using the single-stage rocking suspension and multistage rocking suspension, suspension arrangement of suspension system
Between；
Using laminated rubber bearing support system, when dynamic excitation is smaller, TMD can not vibrate, and can not play a role；
The common system supported using track, then require track to have enough rigidity, cannot when supporting inertia mass
There is larger deformation, not resistance excessive caused by inertia mass is slided.In addition, track support TMD generally exist can not
The friction avoided, to TMD, there is adverse effects for friction：1, when dynamic excitation is smaller, i.e., structure is in microvibration, TMD
The inertia force of exercise quality block is possible to that its stiction can be less than, to make TMD be in the lock state, TMD also just temporarily funerals
The function of energy-obsorbing and damping is lost；2, when controlled structures are carried the load action of shock feature by earthquake etc., excessive friction
The startup time that TMD can significantly be delayed, so as to cause the decline of control effect.
TMD control strategies are to achieve the purpose that dynamic absorber using the resonance of the controlled damping type of minor structure and main structure, are controlled
The optimal vibration frequency of device processed should be tuned as the natural frequency of vibration that main structure is controlled damping type.The overwhelming majority in Practical Project builds,
Structures are not that quality, rigidity are full symmetric, that is, the vibration frequency in each direction is different.Structure is generated not
The external drive direction of profit effect is nor determine unique.Therefore, it is necessary to structure different directions using different vibrations frequency
The TMD of rate, to reach the optimum efficiency of tuning vibration damping.
Magnetic suspension have structure between without Mechanical Contact, friction free advantage.The technologies such as magnetic suspension bearing are successful
Apply to the fields such as space flight, navigation, railway transportation, wind power generation, so that TMD mass blocks is detached from its lower base using magnetic levitation technology
Seat, can reduce the adverse effect of friction to greatest extent.
Invention content
The purpose of the present invention is to provide a kind of two-layer magnetic suspension universal type horizontal tuned mass dampers, have outside
Excitation it is smaller in the case of TMD can start, comprehensive tuning vibration damping, functional the characteristics of.
Another object of the present invention also resides in a kind of two-layer magnetic suspension universal type horizontal tuned mass damper of offer
Manufacture implementation method.
To achieve the above object, the present invention provides the following technical solutions：A kind of two-layer magnetic suspension universal type level tuning
Mass damper, including superstructure structure, substrustion structure, pull rod and magnetic suspension pedestal, in the substrustion structure
It is provided with base-plate, vertical ring flat-plate is provided on the base-plate, the vertical ring flat-plate and base-plate are that integration is tied
Structure, the centre position that the vertical ring flat-plate encloses are provided with mass block, radially connect between the mass block and the vertical ring flat-plate
It is connected to spring and damper, magnetic suspension pedestal is provided in the superstructure structure, the magnetic suspension pedestal includes lower permanent magnetism
Iron and upper permanent magnet, wherein permanent magnet is provided with above the lower permanent magnet, the lower permanent magnet is opposite with upper permanent magnet
Face magnetism is identical, and sets up irregular male and female head separately, is fixedly connected by pull rod between the mass block and upper permanent magnet.
Further in the present invention, the vertical ring flat-plate is made of metal, rounded or oval.
It is further in the present invention, keep certain interval between the substrustion structure and mass block.
Further in the present invention, the damper and spring are to be arranged in pairs, and the damper and spring are at least set
It is equipped with pair, the damper and spring are symmetrically radially arranged.
Further in the present invention, the spring is metal spring or electromagnetic spring, and the damper is oil damper
Or MR damper or eddy current damper.
It is further in the present invention, the substrustion structure and base-plate and superstructure structure and lower permanent magnetism
It is fixedly connected by fixing piece between iron.
It is further in the present invention, a kind of manufacture installation of two-layer magnetic suspension universal type horizontal tuned mass damper
Method includes the following steps：
(1), theoretical calculation goes out the natural vibration period of controlled producing building structure all directions (X to, Y-direction, 45 degree of directions)；
(2), the rigidity of spring of the quality and all directions of theoretical calculation pledge gauge block and the damping of damper and quality
Block moves horizontally distance when vibrating, ensure that all directions vibration period and the theoretical calculation cycle phase in step (1) are same, ensures vertical
Ring flat-plate encloses size and meets the requirement of mass block horizontal vibration amplitude；
(3), component is produced in factory；
(4), it is transported to building site, finished product is fixed on controlled producing building structure building roof, ensures finished product installation side by assembling forming
To correct, the theoretical calculation cycle phase of all directions vibration period of finished product in is same；
(5), two-layer magnetic suspension universal type level has been installed using the technologies field test such as environmental vibration testing and has tuned matter
It measures damper and is controlled producing building structure all directions natural vibration periods, pass through and increase and decrease mass block quality, adjustment spring rate and damper
It damps to adjust mounted two-layer magnetic suspension universal type horizontal tuned mass damper natural vibration period, keeps the two consistent, it is real
Existing Optimal Control effect.
Further in the present invention, the vertical ring flat-plate is made of metal, rounded or oval；The substrustion
Certain interval is kept between structure and mass block；The damper and spring are to be arranged in pairs, and the damper and spring are at least
It is provided with pair, the damper and spring are symmetrically radially arranged；The spring be metal spring or electromagnetic spring, it is described
Damper is oil damper or MR damper or eddy current damper；The substrustion structure and base-plate and on
It is fixedly connected by fixing piece between layer building structure and lower permanent magnet.
Compared with prior art, the beneficial effects of the invention are as follows：
1, the present invention solve external drive it is smaller in the case of TMD the problem of cannot starting, cannot playing a role；
2, the present invention can adjust respective direction TMD vibration frequencies according to the different vibration frequency of controlled structures different directions
Rate reaches the optimum efficiency of comprehensive tuning vibration damping；
3, the present invention is simple to manufacture, easy for installation, cheap, functional.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram that the present invention overlooks；
In figure：1, substrustion structure；2, vertical ring flat-plate；3, damper；4, pull rod；5, superstructure structure；6, magnetcisuspension
Floating foundation seat；61, lower permanent magnet；62, upper permanent magnet；7, mass block；8, spring；9, base-plate；10, fixing piece.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
- 2 are please referred to Fig.1, the present invention provides following technical scheme：A kind of horizontal tuning quality of two-layer magnetic suspension universal type
Damper, including superstructure structure 5, substrustion structure 1, pull rod 4 and magnetic suspension pedestal 6 are arranged in substrustion structure 1
There is base-plate 9, vertical ring flat-plate 2 is provided on base-plate 9, vertical ring flat-plate 2 and base-plate 9 are integrated, vertically
The centre position that ring flat-plate 2 encloses is provided with mass block 7, radially connected between mass block 7 and vertical ring flat-plate 2 to have spring 8 and damping
Device 3, is provided with magnetic suspension pedestal 6 in superstructure structure 5, and magnetic suspension pedestal 6 includes lower permanent magnet 61 and upper permanent magnet 62,
In, the top of lower permanent magnet 61 is provided with permanent magnet 62, and lower permanent magnet 61 is identical as 62 opposite face magnetism of upper permanent magnet, and point
If irregular male and female head, is fixedly connected between mass block 7 and upper permanent magnet 62 by pull rod 4.
In the present embodiment, vertical ring flat-plate 2 is made of metal, rounded or oval.
In the present embodiment, certain interval is kept between substrustion structure 1 and mass block 7.
In the present embodiment, damper 3 and spring 8 are to be arranged in pairs, and damper 3 and spring 8 are at least provided with 3 pairs, resistance
Buddhist nun's device 3 and spring 8 are symmetrically radially arranged.
In the present embodiment, spring 8 is metal spring or electromagnetic spring, and damper 3 is oil damper or magnetorheological damping
Device or eddy current damper.
In the present embodiment, substrustion structure 1 and base-plate 9 and superstructure structure 5 and lower permanent magnet 61 it
Between be fixedly connected by fixing piece 10.
In the present embodiment, a kind of manufacture installation method of two-layer magnetic suspension universal type horizontal tuned mass damper,
Include the following steps：
(1), theoretical calculation goes out the natural vibration period of controlled producing building structure all directions (X to, Y-direction, 45 degree of directions)；
(2), the damping of the rigidity and damper 3 of the spring 8 of the quality and all directions of theoretical calculation pledge gauge block 7, and
Mass block 7 moves horizontally distance when vibrating, ensure that all directions vibration period and the theoretical calculation cycle phase in step (1) are same, protect
It demonstrate,proves the enclosing of vertical ring flat-plate 2 size and meets the requirement of 7 horizontal vibration amplitude of mass block；
(3), component is produced in factory；
(4), it is transported to building site, finished product is fixed on controlled producing building structure building roof, ensures finished product installation side by assembling forming
To correct, all directions vibration period of finished product is same with the theoretical calculation cycle phase in 1；
(5), two-layer magnetic suspension universal type level has been installed using the technologies field test such as environmental vibration testing and has tuned matter
It measures damper and is controlled producing building structure all directions natural vibration periods, pass through and increase and decrease 7 mass of mass block, adjustment 8 rigidity of spring and damping
Device 3 damps to adjust mounted two-layer magnetic suspension universal type horizontal tuned mass damper natural vibration period, keeps the two consistent,
Realize Optimal Control effect.
Damper 3 is the known technology of the extensive utilization and daily life that have disclosed, its operation principle in the present invention：
Slow down mechanical oscillation using damping characteristic and consumes the device of kinetic energy.
The operation principle and process for using of the present invention：The present invention is before use, the first step is calculated by control structure all directions (such as
X is to, Y-direction, 45 degree of directions) natural vibration period；Second step calculates 8 rigidity of spring and damper 3 damping of required quality and all directions,
Ensure all directions vibration period with first step calculating cycle；Then component is produced in factory；It is finally transported to building site, assembling shapes,
Finished product is fixed on by control structure building (room) face, should ensure that finished product installation direction is correct, all directions vibration period of finished product is same
Calculating cycle in the first step；After installation is complete, permanent magnet 62 and lower permanent magnet 61 make according to principle of same-sex repulsion in the present invention
Permanent magnet 62 suspends, and the top of substrustion structure 1 is suspended in by the drive mass block 7 of pull rod 4, without mass block 7 under
The frictional force of layer building structure 1 so that two-layer magnetic suspension universal type horizontal tuned mass damper is in the smaller feelings of external drive
TMD can equally be worked normally under condition, improve the sensitivity of TMD.When building structure is produced under internal or external drive effect
When raw vibration, mass block 7, spring 8 and damper 3, which will produce an inertia force opposite with building structure direction and act on, to be built
On building structure, so that the horizontal vibration of building structure is reacted and substantially decay.The present invention can also be according to controlled structures different directions not
Same vibration frequency, 7 mass of increase and decrease mass block, adjustment 8 rigidity of spring and damper 3 damp to adjust mounted two-layer magnetic
Suspension universal type horizontal tuned mass damper natural vibration period, reach the optimum efficiency of comprehensive tuning vibration damping, functional.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of two-layer magnetic suspension universal type horizontal tuned mass damper, including superstructure structure (5), substrustion knot
Structure (1), pull rod (4) and magnetic suspension pedestal (6), it is characterised in that：It is provided with base-plate on the substrustion structure (1)
(9), vertical ring flat-plate (2) is provided on the base-plate (9), the vertical ring flat-plate (2) and base-plate (9) are that integration is tied
Structure, the centre position that the vertical ring flat-plate (2) encloses are provided with mass block (7), the mass block (7) and the vertical ring flat-plate
(2) radially connected between to have spring (8) and damper (3), it is provided with magnetic suspension pedestal (6) on the superstructure structure (5),
The magnetic suspension pedestal (6) includes lower permanent magnet (61) and upper permanent magnet (62), wherein is set above the lower permanent magnet (61)
It is equipped with permanent magnet (62), the lower permanent magnet (61) is identical as upper permanent magnet (62) opposite face magnetism, and sets up separately irregular
Male and female head is fixedly connected between the mass block (7) and upper permanent magnet (62) by pull rod (4).
2. a kind of two-layer magnetic suspension universal type horizontal tuned mass damper according to claim 1, it is characterised in that：
The vertical ring flat-plate (2) is made of metal, rounded or oval.
3. a kind of two-layer magnetic suspension universal type horizontal tuned mass damper according to claim 1, it is characterised in that：
Certain interval is kept between the substrustion structure (1) and mass block (7).
4. a kind of two-layer magnetic suspension universal type horizontal tuned mass damper according to claim 1, it is characterised in that：
The damper (3) and spring (8) are to be arranged in pairs, and the damper (3) and spring (8) are at least provided with 3 pairs, the damping
Device (3) and spring (8) are symmetrically radially arranged.
5. a kind of two-layer magnetic suspension universal type horizontal tuned mass damper according to claim 1, it is characterised in that：
The spring (8) is metal spring or electromagnetic spring, and the damper (3) is oil damper or MR damper or current vortex
Damper.
6. a kind of two-layer magnetic suspension universal type horizontal tuned mass damper according to claim 1, it is characterised in that：
By solid between the substrustion structure (1) and base-plate (9) and superstructure structure (5) and lower permanent magnet (61)
Determine part (10) to be fixedly connected.
7. according to a kind of manufacture of the arbitrary two-layer magnetic suspension universal type horizontal tuned mass dampers of claim 1-6
Installation method includes the following steps：
(1), theoretical calculation goes out the natural vibration period of controlled producing building structure all directions (X to, Y-direction, 45 directions)；
(2), the damping of the rigidity and damper (3) of the spring (8) of the quality and all directions of theoretical calculation pledge gauge block (7), with
And distance is moved horizontally when mass block (7) vibration, ensure that all directions vibration period with the theoretical calculation period in (1), ensures perpendicular
Size, which is enclosed, to ring flat-plate (2) meets the requirement of mass block (7) horizontal vibration amplitude；
(3), component is produced in factory；
(4), it is transported to building site, finished product is fixed on controlled producing building structure building (room) face, ensures finished product installation direction by assembling forming
Correctly, all directions vibration period of finished product is same with the theoretical calculation cycle phase in (1)；
(5), the horizontal tuning quality of two-layer magnetic suspension universal type has been installed using the technologies field test such as environmental vibration testing to hinder
Buddhist nun's device is controlled producing building structure all directions natural vibration periods, passes through and increases and decreases mass block (7) quality, adjustment spring (8) rigidity and damping
Device (3) damps to adjust mounted two-layer magnetic suspension universal type horizontal tuned mass damper natural vibration period, makes the two one
It causes, realizes Optimal Control effect.
8. a kind of manufacture installation side of two-layer magnetic suspension universal type horizontal tuned mass damper according to claim 7
Method, it is characterised in that：The vertical ring flat-plate (2) is made of metal, rounded or oval；The substrustion structure (1) with
Mass block keeps certain interval between (7)；The damper (3) and spring (8) are to be arranged in pairs, the damper (3) and bullet
For spring (8) at least provided with 3 pairs, the damper (3) and spring (8) are symmetrically radially arranged；The spring (8) is metal
Spring or electromagnetic spring, the damper (3) are oil damper or MR damper or eddy current damper；The lower layer builds
It is solid by fixing piece (10) between building structure (1) and base-plate (9) and superstructure structure (5) and lower permanent magnet (61)
Fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810306210.1A CN108316506A (en) | 2018-04-04 | 2018-04-04 | A kind of two-layer magnetic suspension universal type horizontal tuned mass damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810306210.1A CN108316506A (en) | 2018-04-04 | 2018-04-04 | A kind of two-layer magnetic suspension universal type horizontal tuned mass damper |
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| Publication Number | Publication Date |
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| CN108316506A true CN108316506A (en) | 2018-07-24 |
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| CN201810306210.1A Pending CN108316506A (en) | 2018-04-04 | 2018-04-04 | A kind of two-layer magnetic suspension universal type horizontal tuned mass damper |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112031504A (en) * | 2020-07-30 | 2020-12-04 | 河南理工大学 | Lever type inertia capacity synergistic shape memory alloy self-resetting structure system |
| CN112377559A (en) * | 2020-11-16 | 2021-02-19 | 湖南省潇振工程科技有限公司 | Magnetic suspension sliding rail type eddy current tuned mass damper |
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| JP2001349094A (en) * | 2000-06-08 | 2001-12-21 | Sekisui House Ltd | Synchronous pendulum type vibration control device |
| CN102425244A (en) * | 2011-10-19 | 2012-04-25 | 沈阳建筑大学 | Multidirectional multi-frequency tuned mass damper |
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| JP2016132887A (en) * | 2015-01-16 | 2016-07-25 | 株式会社バインドテクノ | Base isolation device |
| CN208202197U (en) * | 2018-04-04 | 2018-12-07 | 上海建顾减震科技有限公司 | A kind of two-layer magnetic suspension universal type horizontal tuned mass damper |
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| JPH0738470U (en) * | 1993-12-21 | 1995-07-14 | 株式会社熊谷組 | Vibration control device |
| JP2001349094A (en) * | 2000-06-08 | 2001-12-21 | Sekisui House Ltd | Synchronous pendulum type vibration control device |
| CN102425244A (en) * | 2011-10-19 | 2012-04-25 | 沈阳建筑大学 | Multidirectional multi-frequency tuned mass damper |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112031504A (en) * | 2020-07-30 | 2020-12-04 | 河南理工大学 | Lever type inertia capacity synergistic shape memory alloy self-resetting structure system |
| CN112377559A (en) * | 2020-11-16 | 2021-02-19 | 湖南省潇振工程科技有限公司 | Magnetic suspension sliding rail type eddy current tuned mass damper |
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Address after: 214104 Room 308, block C, Xidong chuangrong building, No. 88, Danshan Road, anzhen street, Xishan District, Wuxi City, Jiangsu Province Applicant after: Wuxi Jiangu earthquake reduction and Isolation Technology Co.,Ltd. Applicant after: Shanghai Dongyan Construction Technology Development Co., Ltd Address before: Room 1202t, No. 100, Guokang Road, Yangpu District, Shanghai 200092 Applicant before: SHANGHAI JIANGU DAMPING TECHNOLOGY CO.,LTD. Applicant before: Shanghai Dongyan Construction Technology Development Co., Ltd |
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