CN106320558B - Mixed type multidimensional multistage dissipative damping device - Google Patents
Mixed type multidimensional multistage dissipative damping device Download PDFInfo
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- CN106320558B CN106320558B CN201610948427.3A CN201610948427A CN106320558B CN 106320558 B CN106320558 B CN 106320558B CN 201610948427 A CN201610948427 A CN 201610948427A CN 106320558 B CN106320558 B CN 106320558B
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- internal box
- ball
- outer case
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- mass ball
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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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- 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
- E04H9/023—Bearing, supporting or connecting constructions specially adapted for such buildings and comprising rolling elements, e.g. balls, pins
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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)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention discloses a kind of mixed type multidimensional multistage dissipative damping devices, including the metal internal box being set in together and outer case, it is connected by spring between the internal box outer wall and outer case inner wall, the internal box bottom is provided with several rotatable metal balls, the metal ball is embedded in the inside of spherical groove of outer case, at the top of the internal box, there are one mass balls for suspension, the mass ball any direction can be swung inside the internal box, and it can collide with internal box side wall, the outside of the mass ball is equipped with one layer of viscoelastic material, to play the role of first passive energy dissipation in the horizontal direction；The swing of mass ball causes the sliding in internal box horizontal direction with collision, to make outer case and the spring of internal box junction deform, plays the role of multistage passive energy dissipation.
Description
Technical field
The invention belongs to the controls of the vibration damping of tall and slender structure, and in particular to a kind of mixed type multidimensional multistage dissipative damping device.
Background technology
In recent years, as depth of building is continuously increased, loss is increasingly severe caused by earthquake and disaster caused by a windstorm, how to make to build
Building object has good antidetonation and wind resistance, reduces wind load and geological process is endangered caused by building, while making to build
Object safety, beautiful, the comfortable research hotspot as field of civil engineering are built, is received more and more attention.
Traditional anti-seismic structure system is actually the most of input energy of damage consumption by structure and supporting member, should
Method often leads to structural elements and seriously destroys or even collapse, and it is also unsafe that this, which is unreasonable to a certain extent, is one
The passive passive anti-shock methods of kind.In order to overcome the defect of traditional anti-shock methods, structural vibration control technology to have gradually developed,
And be considered as the effective means for mitigating structural vibration reaction, research shows that：Vibration damping control measure can effectively reduce towering knot
Response of the structure under the dynamic loadings such as earthquake or wind, significantly improves the Disaster Defense Capability of structure.
Suspended mass pendulum structural vibration reduction system is quality swinging hanging in structure, when system is produced in geological process lower structure
When raw horizontal vibration, the vibration with movable pendulum, and the inertia force that pendular oscillation generates reacts on structure itself, when this inertia force with
Effectiveness in vibration suppression is just produced when the movement of structure itself is opposite, to achieve the purpose that control structure is vibrated.
Damping control device common at present can only control the vibration of some direction either certain several specific direction, and
In view of the complexity of the multi-dimensional nature and structural vibration in earthquake or wind action direction, such vibration control apparatus can not
Meet the requirement of vibration control well.Universal hinge and rotatable metal ball are used in this patent, vibration damping box can be in level
Direction moves freely, and consumes energy, reduces the vibration of all directions.Mass ball in this patent is the gold with viscoelastic material layer
Belong to ball, outer layer is rubber, can be collided with side wall when making simply, and swinging, collision while the water for causing internal box
It is smooth dynamic, to the energy of further consumption s tructure vibration, play the effect of multistage passive energy dissipation.
Invention content
It is an object of the present invention to provide a kind of multistage multidimensional energy by collision vibration absorbers, it is intended to reduce building structure (especially
Skyscraper or tall and slender structure etc.) dynamic respons under wind, geological process, achieve the effect that passive energy dissipation.
To achieve the above object, the present invention uses following technical proposals：
Mixed type multidimensional multistage dissipative damping device, including the metal internal box and outer case that are set in together, described
Internal box outer wall and outer case inner wall between connected by spring, the internal box bottom is provided with several rotatable gold
Belong to ball, the metal ball is embedded in the inside of spherical groove of outer case, is hung in the top center of the internal box
One mass ball, the mass ball any direction can be swung inside the internal box, and can be occurred with internal box side wall
The outside of collision, the mass ball is equipped with one layer of viscoelastic material, to play the work of first passive energy dissipation in the horizontal direction
With；The swing of mass ball causes the sliding in internal box horizontal direction with collision, to make outer case and internal box junction
Spring deforms, and plays the role of multistage passive energy dissipation.
Further, the mass ball is suspended on by a rigid hanger at the top of internal box, rigid hanger upper end with
It is fixed on the universal hinge at the top of internal box to be connected, lower end is fixedly connected with mass ball.
Further, the internal box and outer case are cylindrical tubular structure, and the two is co-axially mounted.
Further, the spring is provided with multiple along the circumferencial direction of internal box and outer case, and multiple springs exist
It is uniformly distributed on circumferencial direction.
Further, the metal ball is provided with multiple around the central axis of internal box, and multiple metal balls form a circle
And it is uniformly distributed in a circumferential direction.
Further, viscoelastic material is attached on the outside of the mass ball, convenient for absorbing energy, cost-effective.
Further, by several, slidably metal ball is in contact with outer case in interior metal bottom portion, friction
Power should be as small as possible, free to slide under external drive convenient for upper box body.
Further, the internal box is connected by shape memory alloy energy-consuming springs with outer case in side wall, is passed through
The further consumption of energy is convenient in the elongation and shortening of shape memory alloy energy-consuming springs.
Further, the center of the rigid hanger and mass ball is respectively positioned in the vertical centerline of internal box, and described
Mass ball can be swung along any direction, realize multidimensional vibration reduction effect.
Further, the material of the viscoelastic material layer is rubber, silica gel or other elastic materials, convenient for preferably inhaling
Receive energy, passive energy dissipation.
Further, the mass ball and rigid hanger form quality pendulum, the frequency of quality pendulum by mass ball quality with
The length of rigid hanger controls, according to the Frequency Design pendulum length of controlled structure.
Further, the part that the metal ball is in contact with outer case, which is brushed, lubricating oil.
To reach better effectiveness in vibration suppression.
The present invention should be fixed at the top of tall and slender structure.The upper end of universal hinge passes through welding and interior metal box top phase
Even, the lower end quality of connection ball of rigid hanger, universal hinge allow rigid rod to be moved along any direction, rigid hanger and mass ball
Constitute a multidirectional Suspended mass pendulum, by the swing and collision of mass ball and the elongation of shape memory alloy spring with
Shorten, reduces the dynamic respons for being controlled structure, achieve the effect that the multiple passive energy dissipation of multidimensional；It can be by adjusting rigid hanger
Length, the rigidity of spring or mass ball ensure that the frequency of damper is consistent in the intrinsic frequency of structure, are optimal
Effectiveness in vibration suppression.
The beneficial effects of the invention are as follows：The vibration absorber realizes multidimensional by the way that universal hinge and slidable metal ball is arranged
Control structure is vibrated, and realizes that multi-level control structure vibrates using suspension-mass pendulum and memorial alloy energy dissipation spring, can be preferably
Dissipation energy improves effectiveness in vibration suppression；The vibration absorber have the characteristics that simple structure, it is cheap, be easily installed.
Description of the drawings
Fig. 1 is the front view of multidimensional multi-level damping device.
Fig. 2 is multidimensional multi-level damping device A-A sectional views.
In figure：1 universal hinge, 2 rigid hangers, 3 viscoelastic material layers, 4 mass balls, 5 rotatable metal balls, 6 internal box,
7 shape memory alloy energy-consuming springs, 8 outer cases.
Specific implementation mode
Embodiments of the present invention are described in detail below in conjunction with technical solution and attached drawing.
Mixed type multidimensional multistage dissipative damping device such as Fig. 1 proposed by the present invention, shown in Fig. 2, including be set in together
Metal internal box 6 and outer case 8 are connected between 8 inner wall of 6 outer wall of internal box and outer case by spring, described interior
The bottom of box is provided with several rotatable metal balls 5, and the metal ball 5 is embedded in the inside of spherical groove of outer case,
There are one mass ball, mass ball 4 can be arbitrary square inside the internal box for the top center suspension of the internal box
To swing, and can collide with internal box side wall, the outside of the mass ball 4 is equipped with one layer of viscoelastic material layer 3, to
Play the role of first passive energy dissipation in the horizontal direction；The swing of mass ball 4 causes with collision in internal box horizontal direction
Sliding, to make outer case and the spring of internal box junction deform, plays the role of multistage passive energy dissipation.
The device damper is collectively constituted by slidably internal box with Suspended mass pendulum.First dissipative vibration-damper is i.e. outstanding
Quality pendulum is hung, by 1, rigid hanger 2 of a universal hinge, mass ball 4 forms；Secondary damper is remembered by several shapes
Recall alloy spring 7, metal ball 5 can be rolled, interior metal babinet 6 and external metallization babinet 8 are constituted.
Further, mass ball is suspended on by a rigid hanger at the top of internal box, rigid hanger upper end be fixed on
Universal hinge at the top of internal box is connected, and lower end is fixedly connected with mass ball.
Further, internal box 6 and outer case 8 are cylindrical tubular structure, and the two is co-axially mounted.
Further, spring is provided with multiple along the circumferencial direction of internal box and outer case, and multiple springs are in circumference side
It is uniformly distributed upwards.
Further, metal ball 5 is provided with multiple around the central axis of internal box, and multiple metal balls form a circle and in circle
It is uniformly distributed in circumferential direction.
Further, the outside of mass ball 5 attaches viscoelastic material, convenient for absorbing energy, cost-effective.
Further, by several, slidably metal ball is in contact with outer case in interior metal bottom portion, and frictional force is answered
It is small as possible, it is free to slide under external drive convenient for upper box body.
Further, internal box is connected by shape memory alloy energy-consuming springs with outer case in side wall, passes through shape
The further consumption of energy is convenient in the elongation and shortening of memorial alloy energy dissipation spring.
Further, the center of rigid hanger and mass ball is respectively positioned in the vertical centerline of internal box, and the quality
Ball can be swung along any direction, realize multidimensional vibration reduction effect.
Further, the material of viscoelastic material layer 3 is rubber, silica gel or other elastic materials, convenient for preferably absorbing
Energy, passive energy dissipation.
Further, the mass ball and rigid hanger form quality pendulum, the frequency of quality pendulum by mass ball quality with
The length of rigid hanger controls, according to the Frequency Design pendulum length of controlled structure.
Specifically, external container case 8 is installed on the top of structure, remembered by shape with internal metallic cylinder babinet 6
Recall alloy energy dissipation spring 7 to be connected, interior metal babinet 6 is in contact by that can roll metal ball 5 with outer case.Metallic cylinder case 5
The Suspended mass pendulum of interior setting horizontal direction.Universal hinge is welded in internal box top center, the upper end of rigid hanger and universal hinge
It is connected, lower end attaches viscoelastic material layer 3 by being welded and fixed mass ball, and in 4 outside of mass ball.It is connected with universal hinge
Rigid hanger 2 and mass ball 4 can be swung along any direction, and can be collided with interior metal case side wall.Interior metal case
Slidably metal ball 5 are arranged in 6 bottom of body so that babinet can move freely in the horizontal direction, and realize in multidimensional multi-level damping
Effect.
Mass ball in the present embodiment, rigid hanger length, internal box quality and spring rate setting in inner cylinder case
When, the attention needed is：First：The hunting frequency of mass ball and internal box should specifically design pendulum according to the frequency of controlled structure
It is long, to reach better effectiveness in vibration suppression.；Second：Viscoelastic material is arranged in quality ball surface, convenient for absorbing energy, reduces
Cost；Third：Internal box bottom should brush moderate lubrication oil by that can roll the part that metal ball is in contact with outer case, to subtract
Frictional force between small box and bead, it is ensured that babinet preferably slides.
In the present embodiment, the peace of mixed type multidimensional multistage dissipative damping device should be determined according to the concrete condition of structure
Holding position and quantity, to reach best effectiveness in vibration suppression.
The embodiment above of this patent is not limiting the scope of the present invention, and the embodiment of this patent is unlimited
In this, all this kind is not being departed from according to the above of this patent according to the ordinary technical knowledge and customary means of this field
Under the premise of the above-mentioned basic fundamental thought of this patent, the modification for other diversified forms that this patent above structure is made, replace or
Change, should all fall within the protection domain of this patent.
Claims (5)
1. mixed type multidimensional multistage dissipative damping device, which is characterized in that including the metal internal box being set in together and outer container
Body is connected between the internal box outer wall and outer case inner wall by spring, and the internal box bottom is provided with several
Rotatable metal ball, the metal ball are embedded in the inside of spherical groove of outer case, are hung at the top of the internal box
There are one mass ball, the mass ball any direction can be swung inside the internal box, and can be sent out with internal box side wall
The outside of raw collision, the mass ball is equipped with one layer of viscoelastic material layer, subtracts to play first energy consumption in the horizontal direction
The effect shaken；The swing of mass ball causes the sliding in internal box horizontal direction with collision, to make outer case and internal box connect
The spring at the place of connecing deforms, and plays the role of multistage passive energy dissipation；
The mass ball is suspended on by a rigid hanger at the top of internal box, rigid hanger upper end and is fixed on internal box top
The universal hinge in portion is connected, and lower end is fixedly connected with mass ball；
The internal box and outer case is the tubular structure of cylinder, and the two is co-axially mounted；
The mass ball forms quality pendulum with rigid hanger, and the frequency of quality pendulum is by the quality of mass ball and the length of rigid hanger
Control, according to the Frequency Design pendulum length of controlled structure；
The spring is provided with multiple along the circumferencial direction of internal box and outer case, and multiple springs are uniform in a circumferential direction
Distribution；
The metal ball is provided with multiple around the central axis of internal box, and multiple metal balls form a circle and in a circumferential direction
It is uniformly distributed.
2. mixed type multidimensional multistage dissipative damping device as described in claim 1, which is characterized in that the spring is shape
Memorial alloy energy dissipation spring is convenient for the further consumption of energy by the elongation and shortening of shape memory alloy energy-consuming springs.
3. mixed type multidimensional multistage dissipative damping device as described in claim 1, which is characterized in that the rigid hanger and matter
The center of amount ball is respectively positioned in the vertical centerline of internal box.
4. mixed type multidimensional multistage dissipative damping device as described in claim 1, which is characterized in that the viscoelastic material layer
Material be rubber or silica gel.
5. mixed type multidimensional multistage dissipative damping device as described in claim 1, which is characterized in that the metal ball with it is outer
The part that babinet is in contact, which is brushed, lubricating oil.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610948427.3A CN106320558B (en) | 2016-10-26 | 2016-10-26 | Mixed type multidimensional multistage dissipative damping device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610948427.3A CN106320558B (en) | 2016-10-26 | 2016-10-26 | Mixed type multidimensional multistage dissipative damping device |
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| CN106320558A CN106320558A (en) | 2017-01-11 |
| CN106320558B true CN106320558B (en) | 2018-09-11 |
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| CN106907042B (en) * | 2017-04-11 | 2023-06-23 | 山东大学 | Multistage composite energy-absorbing energy-consuming vibration reduction device, application and method |
| CN106996433B (en) * | 2017-04-24 | 2019-02-12 | 东南大学 | A kind of frictional bidirectional tuning mass damper |
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| CN110725557A (en) * | 2019-09-19 | 2020-01-24 | 西安工程大学 | SMA (shape memory alloy) composite suspended pendulum damping device for historical buildings |
| CN110700429A (en) * | 2019-09-19 | 2020-01-17 | 西安工程大学 | SMA composite universal suspension damping device |
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| JPH07286640A (en) * | 1994-04-18 | 1995-10-31 | Sumitomo Heavy Ind Ltd | Vibration control method and vibration controller capable of coping with lower order mode vibration and higher order mode vibration |
| CN101672074B (en) * | 2009-09-25 | 2011-05-18 | 北京工业大学 | Drum-type omni-directional turned mass damper |
| CN203891246U (en) * | 2014-06-13 | 2014-10-22 | 山东大学 | Bidirectional frequency modulation and collision energy consumption vibration damper |
| CN204418411U (en) * | 2015-01-13 | 2015-06-24 | 山东大学 | The adjustable energy by collision vibration absorber of a kind of multidimensional |
| CN105220791B (en) * | 2015-11-18 | 2017-07-28 | 山东大学 | Multidimensional dual adjustable formula damping control device |
| CN206308822U (en) * | 2016-10-26 | 2017-07-07 | 山东大学 | Mixed type multidimensional multistage dissipative damping device |
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