CN105350677B - A kind of combined type compresses sex vesicle foam aluminium composite material damper - Google Patents
A kind of combined type compresses sex vesicle foam aluminium composite material damper Download PDFInfo
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- CN105350677B CN105350677B CN201510765509.XA CN201510765509A CN105350677B CN 105350677 B CN105350677 B CN 105350677B CN 201510765509 A CN201510765509 A CN 201510765509A CN 105350677 B CN105350677 B CN 105350677B
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- connecting rod
- middle splint
- bar
- aluminium composite
- composite material
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Vibration Dampers (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
Sex vesicle foam aluminium composite material damper is compressed the invention provides a kind of combined type, the damper includes upper connecting rod (1), upper cover plate (2), the first middle splint (41), the second middle splint (42), the 3rd middle splint (43), some foamed aluminium composite materials (6), lower connecting rod (5), the first screw rod (31), the second screw rod (32);Upper connecting rod includes the first bar (11) and perpendicular the second bar (12) being connected;Wherein, upper cover plate (2), the first middle splint (41), the second bar (12), lower connecting rod (5) are from top to bottom, it is oppositely arranged successively and spaced apart, upper cover plate (2), the first middle splint (41), the second bar (12), lower connecting rod (5) are parallel to each other.The present invention solves the problem of can not preparing big thickness foamed aluminium composite material at present, so as to meet in various vibration damping control fields to load and the requirement of displacement.
Description
Technical field
The present invention is a kind of vibration damper of engineering structures, can be according to actual loading and the requirement of displacement, using series connection and simultaneously
Joint group closes the mode of connection, for multiple vibration dampings and vibration control field.
Background technology
Become increasingly conspicuous with the rapid quickening of China's process of industrialization, the problem of vibration and noise, and to noise control vibration damping
One effective measures is exactly to quote vibration absorber, suppresses vibration and sonic propagation of making an uproar.This vibration absorber is more designed
Into damper, so as to reduce dynamic response of the engineering structure under dynamic load function.
Foamed aluminium composite material is made up of filling viscoelastic material in the foam constructed of aluminium that being connected to three-dimensional open pores
High damping material.This material is a kind of aluminium and viscoelastic material intertexture composite, in the cyclic force effect of alternately change
Under, because aluminium and the elastic modelling quantity of viscoelastic material two-phase difference are larger, easy generation is mutually wrong between causing both interfaces
It is dynamic, huge friction energy-dissipating effect is produced, and also foamed aluminium and viscoelastic material inherently possess good damper mechanism.Cause
This, new means and approach will necessarily be provided for engineering structure vibration control by introducing foamed aluminium composite material.
Because foamed aluminium composite material is in terms of compression, with certain intensity and good vibration reduction and cushioning effect, so,
The damper being designed to using its compression performance will have extraordinary feasibility.However, the foamed aluminium to preparing big thickness
Composite, still or a problem.Therefore, how damping is prepared into using existing small thickness foamed aluminium composite material
Device, to meet the requirement of each engineering vibration damping control field, with profoundly meaning.
The content of the invention:
Technical problem:It is easy to make the invention provides a kind of simple structure, the stable combined type compression sex vesicle foam of performance
Aluminium composite material damper, according to the actual requirements, can be applied to each vibration damping control field.
The content of the invention:In order to solve the above technical problems, compressing sex vesicle foam aluminium composite wood the invention provides a kind of combined type
Expect damper, the damper includes upper connecting rod, upper cover plate, the first middle splint, the second middle splint, some foamed aluminiums and is combined
Material, lower connecting rod, the first screw rod, the second screw rod;Upper connecting rod includes the first bar and perpendicular the second bar being connected;
Wherein, upper cover plate, the first middle splint, the second bar, lower connecting rod are oppositely arranged and are spaced one from top to bottom, successively
Set a distance, upper cover plate, the first middle splint, the second bar, lower connecting rod are parallel to each other;It is provided between the second bar and lower connecting rod
First middle splint and the second middle splint, and the first middle splint and the second middle splint are parallel with lower connecting rod respectively;
First screw rod runs through upper cover plate, the first middle splint, the second bar, the second middle splint and lower connecting rod, forms
First space;Second screw rod runs through upper cover plate, the first middle splint, the second bar, the first middle splint and lower connecting rod, forms
Second space;
Foamed aluminium composite material is filled in the first space and second space respectively.
It is preferred that, the tensile strength and rigidity of the first screw rod and the second screw rod are in more than 335MPa;First screw rod and second
Screw rod is fixed on upper cover plate and lower connecting rod by spring bolt respectively.
Beneficial effect:
By connecting and combination in parallel, the foamed aluminium composite material of the small thickness of polylith is flexibly incorporated into one
Rise, the problem of can not preparing big thickness foamed aluminium composite material at present is solved, so as to meet in various vibration damping control fields
To load and the requirement of displacement.Because the first screw rod and the second screw rod are bolted, it is easily detachable and varies.
Because lower connecting rod is fixed, when upper connecting rod is pressed downward, the pallet of upper connecting rod is combined to the foamed aluminium contacted below
Material is compressed, and is transmitted by power and make it that next layer of middle splint is also pressed next layer of foamed aluminium composite material
Contracting;When upper connecting rod is pulled up, foamed aluminium composite material below the pallet of upper connecting rod gradually in unloaded state, until
Set back and put, now the pallet of upper connecting rod will be compressed to foamed aluminium composite material above.Therefore, in this damper
Tension and compression shuttling movement when, be clipped in foamed aluminium composite material therein all the time be in compression-unloaded state, so as to reach that energy dissipating subtracts
The effect shaken.
Brief description of the drawings
Fig. 1 is the structure chart of this damper,
Fig. 2 is the plan of this damper,
Fig. 3 is the schematic three dimensional views of this damper,
Fig. 4 is the upper and lower connecting rod schematic diagram of this damper
Fig. 5 is the middle splint schematic diagram of this damper
Fig. 6 is the upper cover plate schematic diagram of this damper
Fig. 7 is the foamed aluminium composite material schematic diagram of this damper.
Have in figure:Upper connecting rod 1, upper cover plate 2, the first middle splint 41, the second middle splint 42, the second middle splint
43rd, some foamed aluminium composite materials 6, lower connecting rod 5, the first screw rod 31, the second screw rod 32;Upper connecting rod include the first bar 11,
Second bar 12.
Embodiment
The present invention will be further described below in conjunction with the accompanying drawings.
Combined type compresses sex vesicle foam aluminium composite material damper, a kind of combined type compression sex vesicle foam aluminium composite material damping
Device, the damper includes upper connecting rod 1, upper cover plate 2, the first middle splint 41, the second middle splint 42, some foamed aluminiums and is combined
Material 6, lower connecting rod 5, the first screw rod 31, the second screw rod 32;Upper connecting rod include the first bar 11 with it is perpendicular be connected the
Two bars 12.
Wherein, upper cover plate 2, the first middle splint 41, the second bar 12, lower connecting rod 5 be oppositely arranged from top to bottom, successively and
Spaced apart, upper cover plate 2, the first middle splint 41, the second bar 12, lower connecting rod 5 are parallel to each other;In the second bar 12 with
The first middle splint 41 and the second middle splint 42, and the first middle splint 41 and the second middle splint are provided between connecting rod 5
42 is parallel with lower connecting rod 5 respectively.
First screw rod 31 runs through upper cover plate 2, the first middle splint 41, the second bar 12, the second middle splint 42 and lower connection
Bar 5, forms the first space;Second screw rod 32 runs through upper cover plate 2, the first middle splint 41, the second bar 12, the first middle splint
41 and lower connecting rod 5, form second space.
Foamed aluminium composite material 6 is filled in the first space and second space respectively.
Therefore in upper connecting rod tension and compression shuttling movement about 1, the polylith foamed aluminium composite material 6 of folder therebetween is all the time
State in compression and unloading, so as to reach the effect of energy-eliminating shock-absorbing.
The tensile strength and rigidity of first screw rod 31 and the second screw rod 32 are in more than 335MPa;First screw rod 31 and the second spiral shell
Bar 32 is fixed on upper cover plate 2 and lower connecting rod 5 by spring bolt respectively.
The wherein series connection of foamed aluminium composite material 6 and quantity in parallel, according in actual vibration damping control field to load and position
The requirement of shifting and design.Upper connecting rod 1 and the one end of lower connecting rod 5 are ined succession a pallet with circular hole, as shown in Figure 4.
In the combined type compression sex vesicle foam aluminium composite material damper of the present invention, all parts are carried through circle
Hole, and screw rod 3 is fixed on by upper cover plate by spring bolt through linking together by the first screw rod 31 and the second screw rod 32
2 and lower connecting rod 5.In order to ensure that uniform foam aluminium composite material 6 is pressurized, in the middle of upper cover plate 2, the first middle splint 41 and second
Clamping plate 42, upper connecting rod 1, lower connecting rod 5, should have certain thickness so that in compression process, and contact surface keeps smooth.
Upper connecting rod 1, the middle splint 41 of lower connecting rod 5 and first, the second middle splint 42 have to foamed aluminium composite material 6
There are enough contact surfaces so that foamed aluminium composite material 6 is in compression-expansion, and contact surface is not over upper connecting rod 1, lower connection
The middle splint 41 of bar 5 and first, the planar boundary of the second middle splint.
The combined type foamed aluminium composite material damper for the performance stabilization that the present invention is provided, the vibration damping available for many aspects
Control field.Combined type compression sex vesicle foam aluminium composite material damper is to be run through by many screw rods by polylith foamed aluminium composite wood
Expect a kind of new dissipative damping device to connect with the form of parallel combination, be formed by connecting, make full use of foamed aluminium to be combined
The high-damping energy dissipation behavior of material under compression.
The present invention is sufficiently used the damping height of the foamed aluminium composite material of interior three-dimensional connection under compression
The characteristics of.Foamed aluminium composite material is inside hole viscoelastic material being filled in fine-crystal spume aluminium alloy, due to the viscoelastic of filling
The elastic modelling quantity difference of material and foamed aluminium is larger, as long as therefore this composite when vibrating, viscoelastic material therein
It is easy for producing the mutual changing of the relative positions between the interface of both foamed aluminiums, reaches the effect of high-damping friction energy-dissipating.Due to making at present
Also there is certain difficulty in the foamed aluminium composite material of standby big thickness, now with the foamed aluminium composite material of the small thickness of polylith to go here and there
The damper that connection and form in parallel are combined, can meet in actual vibration damping field and load and the different of displacement are required.
The course of work of the present invention:By taking house damping as an example, the displacement of building structure and the requirement of load are first depending on, if
The series connection of foamed aluminium composite material 6 and quantity and cross-sectional sizes in parallel are counted, is combined so as to connect into combined type compression sex vesicle foam aluminium
Material damping device, then damper to be connected in the form of bearing diagonal on bean column node, upper connecting rod 1, lower connecting rod 5
Fixed respectively with bolt so that damper is placed in the center of bearing diagonal.In geological process, combined type compression sex vesicle foam aluminium is combined
Material damping device, which can rise, effectively play high-damping energy dissipation behavior of the foamed aluminium composite material 6 in terms of compression, reduce house knot
Dynamic response of the structure under earthquake load.
Above-described embodiment, is not the implementation for limiting the present invention and interest field, all and the claims in the present invention institute
The identical or equivalent technical scheme of content is stated, all should be included in the scope of the present invention.
Claims (2)
1. a kind of combined type compresses sex vesicle foam aluminium composite material damper, it is characterised in that the damper includes upper connecting rod
(1), upper cover plate (2), the first middle splint (41), the second middle splint (42), some foamed aluminium composite materials (6), lower connection
Bar (5), the first screw rod (31), the second screw rod (32);Upper connecting rod includes the first bar (11) and perpendicular the second bar being connected
(12);
Wherein, upper cover plate (2), the first middle splint (41), the second bar (12), lower connecting rod (5) are from top to bottom, relative successively to set
Put and spaced apart, upper cover plate (2), the first middle splint (41), the second bar (12), lower connecting rod (5) are parallel to each other;
The first middle splint is respectively equipped between second bar (12) and upper cover plate (2) and between the second bar (12) and lower connecting rod (5)
(41) and the second middle splint (42), and the first middle splint (41) and the second middle splint (42) respectively with lower connecting rod (5)
It is parallel;
First screw rod (31) through upper cover plate (2), the first middle splint (41), the second bar (12), the second middle splint (42) and
Lower connecting rod (5), forms the first space;Second screw rod (32) runs through upper cover plate (2), the first middle splint (41), the second bar
(12), the first middle splint (41) and lower connecting rod (5), form second space;
Foamed aluminium composite material (6) is filled in the first space and second space respectively.
2. combined type according to claim 1 compresses sex vesicle foam aluminium composite material damper, it is characterised in that the first screw rod
(31) and the second screw rod (32) tensile strength and rigidity in more than 335MPa;First screw rod (31) and the second screw rod (32) are respectively
Upper cover plate (2) and lower connecting rod (5) are fixed on by spring bolt.
Priority Applications (1)
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CN201510765509.XA CN105350677B (en) | 2015-11-11 | 2015-11-11 | A kind of combined type compresses sex vesicle foam aluminium composite material damper |
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CN201510765509.XA CN105350677B (en) | 2015-11-11 | 2015-11-11 | A kind of combined type compresses sex vesicle foam aluminium composite material damper |
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CN105350677A CN105350677A (en) | 2016-02-24 |
CN105350677B true CN105350677B (en) | 2017-07-18 |
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CN201510765509.XA Active CN105350677B (en) | 2015-11-11 | 2015-11-11 | A kind of combined type compresses sex vesicle foam aluminium composite material damper |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108360703B (en) * | 2018-04-18 | 2020-02-18 | 北京建筑大学 | Horizontal stop device of shock insulation layer and have its building |
CN114837486A (en) * | 2022-05-26 | 2022-08-02 | 安徽工业大学 | Assembled foamed aluminum-based composite material-extruded lead composite damper and anti-seismic device |
CN114776121B (en) * | 2022-05-26 | 2024-03-22 | 安徽工业大学 | Self-resetting shape memory alloy-foam aluminum matrix composite damper |
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DE102009033032A1 (en) * | 2009-07-02 | 2011-01-05 | Gartner Steel And Glass Gmbh | Rope anchorage with overload protection |
CN104775534A (en) * | 2015-02-27 | 2015-07-15 | 东南大学 | Vibration-reducing and energy-consuming column device of assembled foamed aluminum composite material |
CN104947826B (en) * | 2015-06-15 | 2017-07-11 | 黑龙江科技大学 | Self-reset anti-flexure support device |
CN104929263B (en) * | 2015-06-23 | 2017-03-15 | 东南大学 | A kind of building vibration damping assembled lead foamed aluminium composite material antivibrator |
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