CN106320558A - Mixed type multi-dimensional and multi-level energy dissipation device - Google Patents
Mixed type multi-dimensional and multi-level energy dissipation device Download PDFInfo
- Publication number
- CN106320558A CN106320558A CN201610948427.3A CN201610948427A CN106320558A CN 106320558 A CN106320558 A CN 106320558A CN 201610948427 A CN201610948427 A CN 201610948427A CN 106320558 A CN106320558 A CN 106320558A
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- internal box
- ball
- multistage
- mixed type
- damping device
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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
-
- 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 mixed type multi-dimensional and multi-level energy dissipation device. The mixed type multi-dimensional and multi-level energy dissipation device comprises a metallic inner box and an outer box which are nested together, wherein the outer wall of the inner box and the inner wall of the outer box are connected through a spring; a plurality of rolling metallic balls are arranged at the bottom of the inner box and inlaid in spherical grooves in the outer box; a mass ball is suspended at the top of the inner box, can swing in any direction in the inner box and can collide with the side wall of the inner box; a viscoelastic material layer is arranged outside the mass ball so as to realize primary energy dissipation in the horizontal direction; the inner box is driven to slide in the horizontal direction through swing and collision of the mass ball, so that the spring in the connected position of the outer box and the inner box deforms, and the multi-level energy dissipation is realized.
Description
Technical field
The vibration damping that the invention belongs to tall and slender structure controls, and is specifically related to a kind of multistage dissipative damping device of mixed type multidimensional.
Background technology
In recent years, along with depth of building is continuously increased, the loss that earthquake and disaster caused by a windstorm cause is increasingly severe, how to make to build
Build thing and there is good antidetonation and wind resistance, the harm that building is caused by minimizing wind load and geological process, make to build simultaneously
Build the thing study hotspot becoming field of civil engineering safe, attractive in appearance, comfortable, receive more and more attention.
Traditional anti-seismic structure system actually relies on the damage of structure and supporting member to consume major part input energy, should
Method often leads to structural elements heavy damage and even collapses, this be to a certain extent unreasonable be also unsafe, be one
Plant passive passive anti-shock methods.In order to overcome the defect of tradition anti-shock methods, structural vibration control technology gradually grows up,
And be considered as the effective means alleviating structural vibration reaction, research shows: vibration damping control measure can effectively reduce towering knot
Structure response under the dynamic loading such as earthquake or wind, significantly improves the Disaster Defense Capability of structure.
Suspended mass pendulum structural vibration reduction system is quality swinging hanging structurally, when system is produced at Structures under Earthquake
During raw horizontal vibration, the vibration of band movable pendulum, and the inertia force that pendular oscillation produces reacts on structure itself, when this inertia force and
Just create effectiveness in vibration suppression when the motion of structure itself is contrary, thus reach the purpose of control structure vibration.
The most common damping control device can only control some direction or the vibration of certain several specific direction, and
In view of earthquake or the multi-dimensional nature in wind action direction and the complexity of structural vibration, such vibration control apparatus cannot
Well meet the requirement of vibration control.Have employed universal hinge and rotatable metal ball in this patent, vibration damping box can be in level
Direction moves freely, consumed energy, reduces the vibration of all directions.Mass ball in this patent is the gold with viscous material layer
Belonging to ball, outer layer is rubber, makes simple, and can collide with sidewall when swinging, and collision causes the water of internal box simultaneously
Smooth dynamic, thus the energy of consumption s tructure vibration further, play the effect of multistage passive energy dissipation.
Summary of the invention
It is an object of the present invention to provide a kind of multistage multidimensional energy by collision vibration absorber, it is intended to reduce building structure (especially
Skyscraper or tall and slender structure etc.) dynamic respons under wind, geological process, reach the effect of passive energy dissipation.
For achieving the above object, the present invention uses following technical proposals:
The multistage dissipative damping device of mixed type multidimensional, including the metal internal box being set in together and outer case, described
Internal box outer wall be connected by spring between outer case inwall, be provided with several rotatable gold bottom described internal box
Belonging to ball, described metal ball is embedded in the ball recess of outer case, and the top center at described internal box is hung with
One mass ball, described mass ball can swing at the internal any direction of described internal box, and can occur with internal box sidewall
Collision, the outside of described mass ball is provided with one layer of viscoelastic material, thus plays the work of first passive energy dissipation in the horizontal direction
With；The swing of mass ball causes the slip in internal box horizontal direction with collision, so that outer case and internal box junction
Spring deforms, and plays multistage passive energy dissipation effect.
Further, described mass ball is suspended on internal box top by a rigid hanger, rigid hanger upper end with
The universal hinge being fixed on internal box top is connected, and lower end is fixing with mass ball to be connected.
Further, described internal box and outer case are cylindrical tubular structure, and both are co-axially mounted.
Further, described 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, described metal ball is provided with multiple around the central axis of internal box, and multiple metal ball form a circle
And be uniformly distributed in a circumferential direction.
Further, viscoelastic material is attached outside described mass ball, it is simple to absorb energy, cost-effective.
Further, described interior metal bottom portion by several slidably metal ball contact with outer case, friction
Power should be the least, it is simple to upper box body under external drive slidably.
Further, described internal box is connected with outer case by shape memory alloy energy-consuming springs at sidewall, passes through
The elongation of shape memory alloy energy-consuming springs and shortening, it is simple to the further consumption of energy.
Further, the center of described rigid hanger and mass ball is respectively positioned on the vertical centrage of internal box, and described
Mass ball can swing along any direction, it is achieved multidimensional vibration reduction effect.
Further, the material of described viscoelastic material layer is rubber, silica gel or other elastomeric material, it is simple to preferably inhale
Receive energy, passive energy dissipation.
Further, described mass ball and rigid hanger form quality pendulum, the frequency of quality pendulum by the quality of mass ball with
The length of rigid hanger controls, according to the Frequency Design pendulum length of controlled structure.
Further, the part that described metal ball contacts with outer case is brushed lubricating oil.
Thus reach more preferable effectiveness in vibration suppression.
The present invention should be fixed on tall and slender structure top.The upper end of universal hinge is by welding and interior metal box top phase
Even, the lower end quality of connection ball of rigid hanger, universal hinge allows rigid rod to move along any direction, rigid hanger and mass ball
Constitute a multidirectional Suspended mass pendulum, by the elongation of the swing of mass ball and collision and shape memory alloy spring with
Shorten, reduce the dynamic respons of controlled structure, reach the effect of multidimensional repeatedly passive energy dissipation；Can be by regulation rigid hanger
Length, the rigidity of spring or mass ball ensure that the frequency of vibroshock keeps consistent in the natural frequency of structure, reach optimum
Effectiveness in vibration suppression.
The invention has the beneficial effects as follows: this vibration absorber is by arranging universal hinge and slidably metal ball, it is achieved multidimensional
Control structure is vibrated, and uses suspension-mass pendulum and memorial alloy energy dissipation spring to realize multi-level control structure vibration, can be preferably
Dissipation energy, improves effectiveness in vibration suppression；This vibration absorber has simple structure, cheap, the feature that is easily installed.
Accompanying drawing explanation
Fig. 1 is the front view of multidimensional multistage detection device.
Fig. 2 is multidimensional multistage detection device A-A profile.
In figure: 1 universal hinge, 2 rigid hangers, 3 viscoelastic material layer, 4 mass balls, 5 rotatable metal ball, 6 internal box,
7 shape memory alloy energy-consuming springs, 8 outer case.
Detailed description of the invention
Embodiments of the present invention are described in detail below in conjunction with technical scheme and accompanying drawing.
Mixed type multidimensional multistage dissipative damping device such as Fig. 1 that the present invention proposes, shown in Fig. 2, including be set in together
Metal internal box 6 and outer case 8, be connected by spring between outer case 8 inwall at described internal box 6 outer wall, described interior
Box bottom is provided with several rotatable metal ball 5, and described metal ball 5 is embedded in the ball recess of outer case,
The top center of described internal box is hung with a mass ball, and mass ball 4 can be in the internal arbitrarily side of described internal box
To swing, and can collide with internal box sidewall, the outside of described mass ball 4 is provided with one layer of viscoelastic material layer 3, thus
Play the effect of first passive energy dissipation in the horizontal direction；The swing of mass ball 4 causes in internal box horizontal direction with collision
Slide, so that the spring of outer case and internal box junction deforms, play multistage passive energy dissipation effect.
This device vibroshock is collectively constituted with Suspended mass pendulum by slidably internal box.First dissipative vibration-damper is the most outstanding
Extension quality is put, and by 1, rigid hanger 2 of a universal hinge, mass ball 4 forms；Secondary vibroshock, is by some shape notes
Recall alloy spring 7, metal ball 5, interior metal casing 6 and external metallization casing 8 can be rolled and constitute.
Further, mass ball is suspended on internal box top by a rigid hanger, rigid hanger upper end be fixed on
The universal hinge at internal box top is connected, and lower end is fixing with mass ball to be connected.
Further, internal box 6 and outer case 8 are cylindrical tubular structure, and both are 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
Upwards it is uniformly distributed.
Further, metal ball 5 is provided with multiple around the central axis of internal box, and multiple metal ball form a circle and justifying
It is uniformly distributed in circumferential direction.
Further, viscoelastic material is attached outside mass ball 5, it is simple to absorb energy, cost-effective.
Further, interior metal bottom portion by several slidably metal ball contact with outer case, frictional force should
The least, it is simple to upper box body under external drive slidably.
Further, internal box is connected with outer case by shape memory alloy energy-consuming springs at sidewall, passes through shape
The elongation of memorial alloy energy dissipation spring and shortening, it is simple to the further consumption of energy.
Further, the center of rigid hanger and mass ball is respectively positioned on the vertical centrage of internal box, and described quality
Ball can swing along any direction, it is achieved multidimensional vibration reduction effect.
Further, the material of viscoelastic material layer 3 is rubber, silica gel or other elastomeric material, it is simple to preferably absorb
Energy, passive energy dissipation.
Further, described mass ball and rigid hanger form quality pendulum, the frequency of quality pendulum by the quality of mass ball with
The length of rigid hanger controls, according to the Frequency Design pendulum length of controlled structure.
Concrete, external container case 8 is installed on the top of structure, and it is remembered by shape with internal metallic cylinder casing 6
Recalling alloy energy dissipation spring 7 to be connected, interior metal casing 6 contacts with outer case by rolling metal ball 5.Metallic cylinder case 5
The Suspended mass pendulum of horizontal direction is inside set.Universal hinge is welded in internal box top center, the upper end of rigid hanger and universal hinge
Being connected, lower end is by being welded and fixed mass ball, and attaches viscoelastic material layer 3 outside mass ball 4.It is connected with universal hinge
Rigid hanger 2 and mass ball 4 can swing along any direction, it is possible to collide with interior metal case sidewall.Interior metal case
Slidably metal ball 5 are set so that casing can move freely in the horizontal direction, it is achieved at multidimensional multistage detection bottom body 6
Effect.
In the present embodiment, in mass ball, inner cylinder case, rigid hanger length, internal box quality and spring rate are arranged
Time, the attention of needs is: first: the hunting frequency of mass ball and internal box should be put according to the frequency specific design of controlled structure
Long, thus reach more preferable effectiveness in vibration suppression.；Second: viscoelastic material is arranged in mass ball surface, it is simple to absorb energy, reduce
Cost；3rd: the part contacted with outer case by rolling metal ball bottom internal box should brush moderate lubrication oil, to subtract
Frictional force between small box and bead, it is ensured that casing preferably slides.
In the present embodiment, it should determine the peace of the multistage dissipative damping device of mixed type multidimensional according to the concrete condition of structure
Holding position and quantity, to reach optimal 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 does not limits
In this, all this kind is according to the foregoing of this patent, according to ordinary technical knowledge and the customary means of this area, without departing from
Under this patent above-mentioned basic fundamental thought premise, to the amendment of other various ways that this patent said structure is made, replacement or
Change, all should fall within the protection domain of this patent.
Claims (10)
1. the multistage dissipative damping device of mixed type multidimensional, it is characterised in that include metal internal box and the outer container being set in together
Body, is connected by spring between outer case inwall at described internal box outer wall, is provided with several bottom described internal box
Rotatable metal ball, described metal ball is embedded in the ball recess of outer case, hangs at the top of described internal box
Having a mass ball, described mass ball can swing at the internal any direction of described internal box, and can send out with internal box sidewall
Raw collision, the outside of described mass ball is provided with one layer of viscoelastic material layer, thus plays first passive energy dissipation in the horizontal direction
Effect；The swing of mass ball causes the slip in internal box horizontal direction with collision, so that outer case and internal box connect
The spring at place deforms, and plays multistage passive energy dissipation effect.
2. the multistage dissipative damping device of mixed type multidimensional as claimed in claim 1, it is characterised in that described mass ball passes through
One rigid hanger is suspended on internal box top, and rigid hanger upper end is connected with the universal hinge being fixed on internal box top, lower end
Fix with mass ball and be connected.
3. the multistage dissipative damping device of mixed type multidimensional as claimed in claim 1, it is characterised in that described mass ball and rigidity
Suspension rod forms quality pendulum, and the frequency of quality pendulum is controlled, according to controlled structure by the length of the quality of mass ball with rigid hanger
Frequency Design pendulum length.
4. the multistage dissipative damping device of mixed type multidimensional as claimed in claim 1, it is characterised in that described internal box is with outer
Casing is cylindrical tubular structure, and both are co-axially mounted.
5. the multistage dissipative damping device of mixed type multidimensional as claimed in claim 4, it is characterised in that described spring is along interior
The circumferencial direction of casing and outer case is provided with multiple, and multiple springs are uniformly distributed in a circumferential direction.
6. the multistage dissipative damping device of mixed type multidimensional as claimed in claim 4, it is characterised in that described metal ball is around interior
The central axis of casing is provided with multiple, and multiple metal ball form a circle and are uniformly distributed in a circumferential direction.
7. the multistage dissipative damping device of mixed type multidimensional as claimed in claim 1, it is characterised in that described spring is shape
Memorial alloy energy dissipation spring, by elongation and the shortening of shape memory alloy energy-consuming springs, it is simple to the further consumption of energy.
8. the multistage dissipative damping device of mixed type multidimensional as claimed in claim 1, it is characterised in that described rigid hanger and matter
The center of amount ball is respectively positioned on the vertical centrage of internal box.
9. the multistage dissipative damping device of mixed type multidimensional as claimed in claim 1, it is characterised in that described viscoelastic material layer
Material be rubber or silica gel.
10. the multistage dissipative damping device of mixed type multidimensional as claimed in claim 1, it is characterised in that described metal ball with
The part that outer case contacts is brushed lubricating oil.
Priority Applications (1)
| 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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|---|---|---|---|
| CN201610948427.3A CN106320558B (en) | 2016-10-26 | 2016-10-26 | Mixed type multidimensional multistage dissipative damping device |
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| CN106320558A true CN106320558A (en) | 2017-01-11 |
| CN106320558B CN106320558B (en) | 2018-09-11 |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106907042A (en) * | 2017-04-11 | 2017-06-30 | 山东大学 | Multistage composite type energy-absorbing energy-dissipating vibration absorber, using and method |
| CN106996433A (en) * | 2017-04-24 | 2017-08-01 | 东南大学 | A kind of frictional bidirectional tuning mass damper |
| CN107227806A (en) * | 2017-08-03 | 2017-10-03 | 山东大学 | Bidirectional collision puts damping control device |
| CN107419814A (en) * | 2017-05-17 | 2017-12-01 | 大连大学 | Grading damper |
| CN108757817A (en) * | 2018-06-20 | 2018-11-06 | 上海理工大学 | A kind of improved electromagnetic type flutter impact damper |
| CN109980830A (en) * | 2019-04-24 | 2019-07-05 | 杭州欣亿广告有限公司 | A kind of damping device of motor |
| CN110700429A (en) * | 2019-09-19 | 2020-01-17 | 西安工程大学 | SMA composite universal suspension damping device |
| 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 |
| CN111305409A (en) * | 2020-02-28 | 2020-06-19 | 山东大学 | Self-adaptive multi-dimensional and multi-stage vibration damper |
| CN112878530A (en) * | 2021-04-09 | 2021-06-01 | 上海电力设计院有限公司 | Piezoelectric induction type semi-active control device based on stiffness air spring |
| CN112983827A (en) * | 2021-03-01 | 2021-06-18 | 李博志 | Screw compressor and oil separation barrel part thereof |
| CN113418650A (en) * | 2021-06-18 | 2021-09-21 | 厦门群创科技有限公司 | Differential pressure gauge with high shock resistance |
| CN113832786A (en) * | 2021-09-02 | 2021-12-24 | 长安大学 | Bidirectional friction pendulum combined vibration isolation energy dissipation device |
| CN114151503A (en) * | 2021-11-26 | 2022-03-08 | 哈尔滨工程大学 | Collision vibration damping device with nonlinear rigidity |
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| CN204418411U (en) * | 2015-01-13 | 2015-06-24 | 山东大学 | The adjustable energy by collision vibration absorber of a kind of multidimensional |
| CN105220791A (en) * | 2015-11-18 | 2016-01-06 | 山东大学 | Multidimensional dual adjustable formula damping control device |
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Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106907042A (en) * | 2017-04-11 | 2017-06-30 | 山东大学 | Multistage composite type energy-absorbing energy-dissipating vibration absorber, using and method |
| CN106907042B (en) * | 2017-04-11 | 2023-06-23 | 山东大学 | Multistage composite energy-absorbing energy-consuming vibration reduction device, application and method |
| CN106996433A (en) * | 2017-04-24 | 2017-08-01 | 东南大学 | A kind of frictional bidirectional tuning mass damper |
| CN106996433B (en) * | 2017-04-24 | 2019-02-12 | 东南大学 | A kind of frictional bidirectional tuning mass damper |
| CN107419814A (en) * | 2017-05-17 | 2017-12-01 | 大连大学 | Grading damper |
| CN107419814B (en) * | 2017-05-17 | 2019-11-15 | 大连大学 | Grading damper |
| CN107227806A (en) * | 2017-08-03 | 2017-10-03 | 山东大学 | Bidirectional collision puts damping control device |
| CN107227806B (en) * | 2017-08-03 | 2023-06-23 | 山东大学 | Bidirectional collision pendulum vibration damping control device |
| CN108757817A (en) * | 2018-06-20 | 2018-11-06 | 上海理工大学 | A kind of improved electromagnetic type flutter impact damper |
| CN109980830A (en) * | 2019-04-24 | 2019-07-05 | 杭州欣亿广告有限公司 | A kind of damping device of motor |
| CN109980830B (en) * | 2019-04-24 | 2020-12-22 | 江苏航天动力机电有限公司 | Damping device of motor |
| 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 |
| CN111305409A (en) * | 2020-02-28 | 2020-06-19 | 山东大学 | Self-adaptive multi-dimensional and multi-stage vibration damper |
| CN111305409B (en) * | 2020-02-28 | 2021-02-09 | 山东大学 | Self-adaptive multi-dimensional and multi-stage vibration damper |
| CN112983827A (en) * | 2021-03-01 | 2021-06-18 | 李博志 | Screw compressor and oil separation barrel part thereof |
| CN112878530A (en) * | 2021-04-09 | 2021-06-01 | 上海电力设计院有限公司 | Piezoelectric induction type semi-active control device based on stiffness air spring |
| CN113418650A (en) * | 2021-06-18 | 2021-09-21 | 厦门群创科技有限公司 | Differential pressure gauge with high shock resistance |
| CN113418650B (en) * | 2021-06-18 | 2024-04-19 | 厦门群创科技有限公司 | Differential pressure gauge with high shock resistance |
| CN113832786A (en) * | 2021-09-02 | 2021-12-24 | 长安大学 | Bidirectional friction pendulum combined vibration isolation energy dissipation device |
| CN113832786B (en) * | 2021-09-02 | 2023-01-17 | 长安大学 | Bidirectional friction pendulum combined vibration isolation energy dissipation device |
| CN114151503A (en) * | 2021-11-26 | 2022-03-08 | 哈尔滨工程大学 | Collision vibration damping device with nonlinear rigidity |
| CN114151503B (en) * | 2021-11-26 | 2023-12-08 | 哈尔滨工程大学 | Collision damping device with nonlinear rigidity |
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