CN204570985U - Suspension multidimensional collisional quenching damper - Google Patents
Suspension multidimensional collisional quenching damper Download PDFInfo
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- CN204570985U CN204570985U CN201520223116.1U CN201520223116U CN204570985U CN 204570985 U CN204570985 U CN 204570985U CN 201520223116 U CN201520223116 U CN 201520223116U CN 204570985 U CN204570985 U CN 204570985U
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- damper
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Abstract
The utility model discloses a kind of suspension multidimensional collisional quenching damper, comprise an external container case, the dividing plate being horizontally disposed with a band circular hole in external container case is divided into two spaces, fluid viscous damper and spring is provided with above dividing plate, fluid viscous damper, the upper end of spring connects a plectane do not contacted with external container case, lower end is connected on described dividing plate, plectane center is provided with a rigid connecting rod be connected with inner cylinder case through the circular hole at dividing plate center, the bottom of rigid connecting rod connects an interior metal case, a rigid hanger is set in interior metal case, the bottom of rigid hanger connects a mass ball.This vibration absorber can reduce structure multi-dimensional vibration reaction under earthquake or wind action, effectively can make up the hidden danger that when load occurs, direction is uncertain brought.
Description
Technical field
The utility model is a kind of suspension multidimensional collisional quenching damper, mainly for the engineering structures that some is complicated or important, and the multidimensional collisional quenching device of high-rise buildings structure.
Background technology
Along with the development of society, engineering structures form is variation and the application of light-weight high-strength material day by day, and rigidity and the damping ratio of structure diminish, under high wind or violent earthquake effect, the dynamic response of works is strong, is difficult to the requirement meeting structure comfortableness and safety.Building how is made to have good antidetonation and wind resistance, minimizing wind load and geological process become the study hotspot of field of civil engineering to the harm that building causes, receive increasing concern, structural vibration control has become the important method that modern project technology reduces stature dynamic-load response.
Traditional wind resistance Seismic Design Method is that the strength and stiffness by improving structure itself resist wind load or geological process, relies on the elastic-plastic deformation of component to consume energy, and is a kind of anti-shock methods of " very stiff and demanding " formula.It is both uneconomical, there is again certain potential safety hazard, and the advantage of Materials with High Strength self is also difficult to be fully played.Structural vibration control can alleviate the reaction of structure under the dynamic action such as wind and earthquake and damage effectively, improves the shock resistance of structure and combats a natural disaster performance.
The concept of structure control can simply be expressed as: by structure additional control or device, jointly effect of vibration is born by controlling organization or device and structure, to coordinate and to alleviate the vibrations reaction of structure, consume external loads and pass to the energy of structure, its every response value under extraneous interference effect is controlled in allowed band.
The damping technology that tuned mass damper, Suspended mass pendulum, collisional damping three kinds are comparatively ripe combines by this patent, develops suspension multidimensional collisional quenching device.When earthquake, wind action; along with the increase of structure stress and distortion, energy-dissipating device takes the lead in producing larger damping, a large amount of energy consuming input structure; thus make agent structure avoid entering obvious inelastic state and the dynamic response of rapid attenuating structure, protection agent structure.
Current shockproof control equipment great majority can only control the vibration in a direction or the vibration of certain several specific direction, and consider the complexity of structural vibration, and such vibration control apparatus well cannot meet the requirement of vibration isolation; Compared with putting with conventional suspension, in this patent, cycloid is substituted by the rigid rod with universal hinge, and can carry out the vibration damping on any direction, and assurance device is when vertical motion, mass ball can not be beated; Mass ball is the metal ball with viscoelastic material layer, and skin is rubber, and make simple, and can collide with sidewall when swinging, research shows: collision can reduce the energy of structural vibration effectively, plays the effect of passive energy dissipation.
Utility model content
The utility model object is to provide a kind of suspension multidimensional collisional quenching damper, is intended to reduce building structure (especially highrise building or the tall and slender structure etc.) dynamic respons under earthquake, wind action, reaches the effect of passive energy dissipation.
For achieving the above object, the utility model adopts following technical proposals:
Suspension multidimensional collisional quenching damper, comprise an external container case, the dividing plate being horizontally disposed with a band circular hole in described external container case is divided into two spaces, fluid viscous damper and spring is provided with above described dividing plate, described fluid viscous damper, the upper end of spring connects a plectane do not contacted with external container case, lower end is connected on described dividing plate, described plectane center connects a rigid connecting rod be connected with interior metal case through the circular hole at dividing plate center, at the plan vertical of described interior metal case, a rigid hanger is set, the bottom of rigid hanger connects a mass ball.
Described mass ball and rigid hanger are arranged in the middle part of inner cylinder case, rigid hanger upper end is connected with the universal hinge being fixed on metal box upper interior, lower end is fixedly connected with mass ball, and mass ball swings at the inner any direction of metal box, and can collide with sidewall.
Attach one deck viscoelastic material layer in the outside of mass ball, play the effect absorbing energy, passive energy dissipation.
Described mass ball is connected with case top by the rigid hanger being connected with universal hinge, ensures to be independent of each other with vertical motion.
Described interior metal box top by connecting rod be positioned at four springs and be connected with the plectane at four fluid viscous damper tops, and fluid viscous damper and the alternate of spring are arranged on dividing plate.
The rigid connecting rod of described dividing plate centre bore is cemented on plectane and interior metal case, ensures the vertical motion of interior metal case and avoids it to swing.
The center of described rigid hanger and mass ball is all positioned on the vertical center line of metal box, and described mass ball can swing along any direction.
The material of described viscoelastic material layer is rubber.
The frequency of described tuning quality damping is regulated by the rigidity of spring; The quality of frequency by mass ball of described Suspended mass pendulum and the cut to lengthen of rigid hanger.
During use, the utility model should be fixed on tall and slender structure top.The upper end of universal hinge is connected with interior metal box top by welding, the lower end quality of connection ball of rigid hanger, universal hinge allows rigid rod to move along any direction, rigid hanger and mass constitute a multidirectional Suspended mass pendulum, by swing and the collision of mass ball, reduce the dynamic respons of place structure, reach the effect of passive energy dissipation; Rigid connecting rod is by being fixedly welded on plectane and interior metal case, and interior metal case and internal soundness ball thereof, spring, fluid viscous damper constitute a vertical tuned mass damper.Mass ball can provide quality for the Suspended mass pendulum of vertical tuned mass damper and horizontal direction simultaneously.Can ensure that the frequency of shock absorber is consistent in the intrinsic frequency of structure by regulating the quality of the length of rigid hanger, the rigidity of spring or mass, reaching optimum effectiveness in vibration suppression.
The beneficial effects of the utility model are:
This vibration absorber can reduce structure multi-dimensional vibration reaction under earthquake or wind action, effectively can make up the hidden danger that when load occurs, direction is uncertain brought; This vibration absorber can realize the vibration isolation of any direction, has stronger practicality; In this vibration absorber, the collision of mass ball and dolly inwall can dissipation energy better, improves effectiveness in vibration suppression; This vibration absorber simple structure, easy to process, cost performance is high, flexibility is high, be convenient to install.
Accompanying drawing explanation
Fig. 1 is the front view of suspension multidimensional collisional quenching damper.
Fig. 2 is suspension multidimensional collisional quenching damper A-A sectional drawing.
In figure: 1 universal hinge, 2 rigid hangers, 3 viscoelastic material layer, 4 mass balls, 5 interior metal casees, 6 external container casees, 7 fluid viscous damper, 8 springs, 9 dividing plates, 10 top plectanes, 11 rigid connecting rods.
Detailed description of the invention
Embodiment of the present utility model is described in detail below in conjunction with technical scheme and accompanying drawing.
The suspension multidimensional collisional quenching damper that the utility model proposes is as shown in Fig. 1, Fig. 2, and this device shock absorber is made up of jointly tuned mass damper and Suspended mass pendulum.
Suspended mass pendulum, by a universal hinge 1, rigid hanger 2, mass ball 4 forms;
Vertical shock absorber, namely tuned mass damper is by four springs 8 and four fluid viscous damper 7, top plectane 10 and dividing plate 9, and in interior metal case 5 and case, mass ball 4 is formed.
External container case 6 hangs or is installed on the top of works, and the interior metal case 5 in it is connected with top plectane by rigid connecting rod with fluid viscous damper 7 with spring 8, and rigid link 11 is welded on plectane 10 and interior metal case 5.The Suspended mass pendulum of horizontal direction is set in interior metal case 5.Universal hinge is welded in center, inner cylinder box top, and the upper end of rigid hanger is connected by pin with universal hinge, and lower end by being welded and fixed mass ball 4, and attaches viscoelastic material layer 3 outside mass ball 4.Due to the existence of universal hinge, rigid hanger 2 and mass ball 4 can swing along any direction, and can collide with interior metal case sidewall, all can reach the effect of passive energy dissipation in all directions.
During use, the utility model should be fixed on tall and slender structure top.The upper end of universal hinge is connected with interior metal box top by welding, the lower end quality of connection ball of rigid hanger, universal hinge allows rigid rod to move along any direction, rigid hanger and mass constitute a multidirectional Suspended mass pendulum, by swing and the collision of mass ball, reduce the dynamic respons of place structure, reach the effect of passive energy dissipation; Rigid connecting rod is by being fixedly welded on plectane and interior metal case, and interior metal case and internal soundness ball thereof, spring, fluid viscous damper constitute a vertical tuned mass damper.Mass ball can provide quality for the Suspended mass pendulum of vertical tuned mass damper and horizontal direction simultaneously.Can ensure that the frequency of shock absorber is consistent in the intrinsic frequency of structure by regulating the quality of the length of rigid hanger, the rigidity of spring or mass, reaching optimum effectiveness in vibration suppression.
When in the present embodiment, in mass ball, inner cylinder case, rigid hanger length and spring rate are arranged, the attention of needs is: the first, and mass ball 4 hunting frequency is close by the basic frequency of control structure as far as possible; The second, choose reasonable spring rate, guarantees that the frequency of tuned mass damper is close by the vertical motion frequency of control structure; 3rd, viscoelastic material is only arranged in mass ball surface, to reduce cost.4th, inside and outside interior metal case agrees with part should brush appropriate lubrication oil, guarantees normally carrying out of vertical slip.
In the present embodiment, should according to the installation site of the concrete condition determination suspension multidimensional collisional quenching damper of structure and quantity, to reach best effectiveness in vibration suppression.
The above-mentioned embodiment of this patent is not the restriction to the utility model protection domain; the embodiment of this patent is not limited thereto; all this kind is according to the foregoing of this patent; according to ordinary technical knowledge and the customary means of this area; do not departing under this patent above-mentioned fundamental technics thought prerequisite; to the amendment of other various ways that this patent said structure is made, replacement or change, within the protection domain that all should drop on this patent.
Claims (7)
1. suspension multidimensional collisional quenching damper, it is characterized in that, comprise an external container case, the dividing plate being horizontally disposed with a band circular hole in described external container case is divided into two spaces, fluid viscous damper and spring is provided with above described dividing plate, described fluid viscous damper, the upper end of spring connects a plectane do not contacted with external container case, lower end is connected on described dividing plate, described plectane center connects a rigid connecting rod be connected with interior metal case through the circular hole at dividing plate center, at the plan vertical of described interior metal case, a rigid hanger is set, the bottom of rigid hanger connects a mass ball.
2. suspension multidimensional collisional quenching damper as claimed in claim 1, it is characterized in that, described mass ball and rigid hanger are arranged in the middle part of inner cylinder case, rigid hanger upper end is connected with the universal hinge being fixed on metal box upper interior, lower end is fixedly connected with mass ball, mass ball swings at the inner any direction of metal box, and collides with sidewall.
3. suspension multidimensional collisional quenching damper as claimed in claim 1, is characterized in that, attaches one deck work the viscoelastic material layer absorbing energy, passive energy dissipation effect in the outside of described mass ball.
4. suspension multidimensional collisional quenching damper as claimed in claim 3, it is characterized in that, the material of described viscoelastic material layer is rubber.
5. suspension multidimensional collisional quenching damper as claimed in claim 1, it is characterized in that, described interior metal box top by connecting rod be positioned at four springs and be connected with the plectane at four fluid viscous damper tops, and fluid viscous damper and the alternate of spring are arranged on dividing plate.
6. suspension multidimensional collisional quenching damper as claimed in claim 1, it is characterized in that, the rigid connecting rod of described dividing plate centre bore is cemented on plectane and interior metal case, ensures the vertical motion of interior metal case and avoids it to swing.
7. suspension multidimensional collisional quenching damper as claimed in claim 1, it is characterized in that, the center of described rigid hanger and mass ball is all positioned on the vertical center line of described metal box, and described mass ball swings along any direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520223116.1U CN204570985U (en) | 2015-04-14 | 2015-04-14 | Suspension multidimensional collisional quenching damper |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520223116.1U CN204570985U (en) | 2015-04-14 | 2015-04-14 | Suspension multidimensional collisional quenching damper |
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| CN204570985U true CN204570985U (en) | 2015-08-19 |
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| CN201520223116.1U Expired - Fee Related CN204570985U (en) | 2015-04-14 | 2015-04-14 | Suspension multidimensional collisional quenching damper |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763070A (en) * | 2015-04-14 | 2015-07-08 | 山东大学 | Suspension type multidimensional impact vibration reduction damper |
| CN107355022A (en) * | 2017-07-18 | 2017-11-17 | 大连理工大学 | A kind of two-way suspension-mass pendulum vibration insulating system |
| CN108044030A (en) * | 2017-12-23 | 2018-05-18 | 安徽鑫宏机械有限公司 | A kind of automatic wax injector of four stations |
| WO2020155632A1 (en) * | 2019-02-01 | 2020-08-06 | 青岛理工大学 | Suspended composite tuned rotational inertia drive control system |
-
2015
- 2015-04-14 CN CN201520223116.1U patent/CN204570985U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763070A (en) * | 2015-04-14 | 2015-07-08 | 山东大学 | Suspension type multidimensional impact vibration reduction damper |
| CN107355022A (en) * | 2017-07-18 | 2017-11-17 | 大连理工大学 | A kind of two-way suspension-mass pendulum vibration insulating system |
| CN107355022B (en) * | 2017-07-18 | 2022-12-27 | 大连理工大学 | Two-way suspension mass pendulum vibration reduction system |
| CN108044030A (en) * | 2017-12-23 | 2018-05-18 | 安徽鑫宏机械有限公司 | A kind of automatic wax injector of four stations |
| WO2020155632A1 (en) * | 2019-02-01 | 2020-08-06 | 青岛理工大学 | Suspended composite tuned rotational inertia drive control system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20170414 |
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| CF01 | Termination of patent right due to non-payment of annual fee |