CN105350677A - Combined damper made by foamed aluminum combined material having compressibility - Google Patents

Combined damper made by foamed aluminum combined material having compressibility Download PDF

Info

Publication number
CN105350677A
CN105350677A CN201510765509.XA CN201510765509A CN105350677A CN 105350677 A CN105350677 A CN 105350677A CN 201510765509 A CN201510765509 A CN 201510765509A CN 105350677 A CN105350677 A CN 105350677A
Authority
CN
China
Prior art keywords
rod
splint
damper
cover plate
screw rod
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201510765509.XA
Other languages
Chinese (zh)
Other versions
CN105350677B (en
Inventor
刘少波
李爱群
轩鹏
陆飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Southeast University
Original Assignee
Southeast University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Southeast University filed Critical Southeast University
Priority to CN201510765509.XA priority Critical patent/CN105350677B/en
Publication of CN105350677A publication Critical patent/CN105350677A/en
Application granted granted Critical
Publication of CN105350677B publication Critical patent/CN105350677B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92Protection against other undesired influences or dangers
    • E04B1/98Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids

Abstract

The invention provides a combined damper made by foamed aluminum combined material having compressibility. The damper comprises an upper connecting rod (1), an upper cover plate (2), a first middle clamping plate (41), a second middle clamping plate (42), a third middle clamping plate (43), multiple foamed aluminum combined material (6), a lower connecting rod (5), a first screw rod (31), and a second screw rod (32). The upper connecting rod (1) comprises a first rod (11) and a second rod (12) vertical to the first rod. The upper cover plate (2), the first middle clamping plate (41), the second rod (12) and the lower connecting rod (5) are sequentially arranged at intervals from the top to the bottom and opposite to each other. The upper cover plate (2), the first middle clamping plate (41), the second rod (12) and the lower connecting rod (5) are parallel to each other. The combined damper made by foamed aluminum combined material having compressibility has following beneficial effects: large-thickness aluminum foam combined material can be prepared so that requirements for load and displacement in various vibration damping fields are satisfied.

Description

A kind of combined type compression sex vesicle foam aluminium composite material damper
Technical field
The present invention is a kind of vibration damper of engineering structures, according to the requirement of actual loading and displacement, can utilize the mode that series and parallel connections is connected, for multiple vibration damping and vibration isolation field.
Background technology
Along with the rapid quickening of China's process of industrialization, the problem of vibration & noise becomes increasingly conspicuous, and quotes vibration absorber exactly to effective measures of noise control vibration damping, suppresses the propagation of vibration & noise.This vibration absorber is more be designed to damper, thus reduces the dynamic response of engineering structures under dynamic load function.
Foamed aluminium composite material is the high damping material of filling viscoelastic material in the foamed aluminium structure by being communicated with to three-dimensional open pores and making.This material is a kind of aluminium and viscoelastic material intertexture composite material, under the cyclic force effect of alternately change, because the modulus of elasticity difference of aluminium and viscoelastic material two-phase is larger, cause between both interface and easily the mutual changing of the relative positions occurs, produce huge friction energy-dissipating effect, and foamed aluminium and viscoelastic material inherently possesses good damper mechanism.Therefore, introduce foamed aluminium composite material and will inevitably provide new means and approach for engineering structures vibration isolation.
Because foamed aluminium composite material is in compression, there is certain intensity and good vibration reduction and cushioning effect, so, utilize its compression performance and the damper be designed to will have extraordinary feasibility.But, to the foamed aluminium composite material preparing heavy thickness, still or a difficult problem.Therefore, how to utilize existing little thickness foamed aluminium composite material to be prepared into damper, to meet the requirement of each engineering vibration damping control field, there is profoundly meaning.
Summary of the invention:
Technical problem: the invention provides a kind of simple structure, easy to make, the combined type compression sex vesicle foam aluminium composite material damper of stable performance, according to the actual requirements, can be applied to each vibration damping control field.
Summary of the invention: for solving the problems of the technologies described above, the invention provides a kind of combined type compression sex vesicle foam aluminium composite material damper, this damper comprises upper connecting rod, upper cover plate, the first middle splint, the second middle splint, some foamed aluminium composite materials, lower connecting rod, the first screw rod, the second screw rod; Upper connecting rod comprises the first bar and perpendicular the second bar be connected;
Wherein, upper cover plate, the first middle splint, the second bar, lower connecting rod from top to bottom, are oppositely arranged successively and keep at a certain distance away, and upper cover plate, the first middle splint, the second bar, lower connecting rod are parallel to each other; Between the second bar and lower connecting rod, be provided with the first middle splint and the second middle splint, and the first middle splint is parallel with lower connecting rod respectively with the second middle splint;
First screw rod runs through upper cover plate, the first middle splint, the second bar, the second middle splint and lower connecting rod, defines the 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, defines second space;
Foamed aluminium composite material is filled in the first space and second space respectively.
Preferably, the tensile strength of the first screw rod and the second screw rod and rigidity are at more than 335MPa; First screw rod and the second screw rod are fixed on upper cover plate and lower connecting rod respectively by spring bolt.
Beneficial effect:
By the combination of series and parallel connections, flexibly the foamed aluminium composite material of little for polylith thickness is combined, solve the problem can not preparing heavy thickness foamed aluminium composite material at present, thus meet the requirement to load and displacement in various vibration damping control field.Because the first screw rod and the second screw rod are bolted, vary so be easier to dismounting.Because lower connecting rod maintains static, when upper connecting rod is to when pressing down, the pallet of upper connecting rod compresses the foamed aluminium composite material contacted below, by power transmission, the middle splint of lower one deck is also compressed to the foamed aluminium composite material of lower one deck; When upper connecting rod upwards stretches, the foamed aluminium composite material below the pallet of upper connecting rod, gradually at unloaded state, is put until set back, and now the pallet of upper connecting rod compresses to foamed aluminium composite material above.Therefore, when the tension and compression shuttling movement of this damper, the foamed aluminium composite material be clipped in wherein is in compression-unloaded state all the time, thus reaches the effect of energy-eliminating shock-absorbing.
Accompanying drawing explanation
Fig. 1 is the structure chart of this damper,
Fig. 2 is the plan view 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, first middle splint 41, second middle splint 42, second middle splint 43, some foamed aluminium composite materials 6, lower connecting rod 5, first screw rod 31, second screw rod 32; Upper connecting rod comprises the first bar 11, second bar 12.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be further described.
Combined type compression sex vesicle foam aluminium composite material damper, a kind of combined type compression sex vesicle foam aluminium composite material damper, this damper comprises upper connecting rod 1, upper cover plate 2, first middle splint 41, second middle splint 42, second middle splint 43, some foamed aluminium composite materials 6, lower connecting rod 5, first screw rod 31, second screw rod 32; Upper connecting rod comprises the first bar 11 and perpendicular the second bar 12 be connected.
Wherein, upper cover plate 2, first middle splint 41, second bar 12, lower connecting rod 5 from top to bottom, are oppositely arranged successively and keep at a certain distance away, and upper cover plate 2, first middle splint 41, second bar 12, lower connecting rod 5 are parallel to each other; Between the second bar 12 and lower connecting rod 5, be provided with the first middle splint 41 and the second middle splint 42, and the first middle splint 41 is parallel with lower connecting rod 5 respectively with the second middle splint 42.
First screw rod 31 runs through upper cover plate 2, first middle splint 41, second bar 12, second middle splint 42 and lower connecting rod 5, defines the first space; Second screw rod 32 runs through upper cover plate 2, first middle splint 41, second bar 12, first middle splint 41 and lower connecting rod 5, defines second space.
Foamed aluminium composite material 6 is filled in the first space and second space respectively.
Therefore, when upper connecting rod about 1 tension and compression shuttling movement, folder polylith foamed aluminium composite material 6 is therebetween in the state of compression and unloading all the time, thus reaches the effect of energy-eliminating shock-absorbing.
The tensile strength of the first screw rod 31 and the second screw rod 32 and rigidity are at more than 335MPa; First screw rod 31 and the second screw rod 32 are fixed on upper cover plate 2 and lower connecting rod 5 respectively by spring bolt.
The wherein quantity of foamed aluminium composite material 6 series and parallel connections, designs the requirement of load and displacement according in actual vibration damping control field.All in succession a pallet with circular hole in upper connecting rod 1 and lower connecting rod 5 one end, as shown in Figure 4.
In combined type of the present invention compression sex vesicle foam aluminium composite material damper, all parts all with running through circular port, and are run through by the first screw rod 31 and the second screw rod 32 and link together, and by spring bolt, screw rod 3 are fixed on upper cover plate 2 and lower connecting rod 5.In order to ensure uniform foam aluminium composite material 6 pressurized, upper cover plate 2, first middle splint 41 and the second middle splint 42, upper connecting rod 1, lower connecting rod 5, all should have certain thickness, make in compression process, and contact surface keeps smooth.
Upper connecting rod 1, lower connecting rod 5 and the first middle splint 41, second middle splint 42 pairs of foamed aluminium composite materials 6 have enough contact surfaces, make foamed aluminium composite material 6 when compression-expansion, contact surface can not exceed the planar boundary of upper connecting rod 1, lower connecting rod 5 and the first middle splint 41, second middle splint.
The combined type foamed aluminium composite material damper of stable performance provided by the invention, can be used for the vibration damping control field of many aspects.Combined type compression sex vesicle foam aluminium composite material damper runs through by many screw rods the form combined with series and parallel connections by polylith foamed aluminium composite material, a kind of novel dissipative damping device be formed by connecting, makes full use of foamed aluminium composite material high damping energy dissipation behavior under compression.
The present invention make use of the foamed aluminium composite material damping high feature under compression that interior three-dimensional is communicated with fully.Foamed aluminium composite material viscoelastic material is filled in inside the hole in fine-crystal spume aluminium alloy, because the viscoelastic material of filling and the modulus of elasticity of foamed aluminium differ larger, as long as when therefore there is vibration in this composite material, just easily produce the mutual changing of the relative positions between viscoelastic material wherein and the interface of foamed aluminium, reach the effect of high damping friction energy-dissipating.Because the foamed aluminium composite material preparing heavy thickness at present also exists certain difficulty, the damper that the foamed aluminium composite material of the little thickness of present polylith combines with the form of series and parallel connections, can meet the different requirements to load and displacement in actual vibration damping field.
The course of work of the present invention: for house damping, first according to the displacement of building structure and the requirement of load, the quantity of design foamed aluminium composite material 6 series and parallel connections and cross-sectional sizes, thus connect into combined type compression sex vesicle foam aluminium composite material damper, then damper is connected on bean column node with the form of bearing diagonal, upper connecting rod 1, lower connecting rod 5 are fixed with bolt respectively, make damper be placed in the center of bearing diagonal.When geological process, combined type compression sex vesicle foam aluminium composite material damper can rise and effectively play the high damping energy dissipation behavior of foamed aluminium composite material 6 in compression, reduces the dynamic response of building structure under seismic load.
Above-described embodiment is not for limiting enforcement of the present invention and interest field, and all technical schemes identical or equivalent with content described in the claims in the present invention, all should be included in scope.

Claims (2)

1. a combined type compression sex vesicle foam aluminium composite material damper, it is characterized in that, this damper comprises 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 comprises the first bar (11) and perpendicular the second bar (12) be connected;
Wherein, upper cover plate (2), the first middle splint (41), the second bar (12), lower connecting rod (5) are from top to bottom, be oppositely arranged successively and keep at a certain distance away, upper cover plate (2), the first middle splint (41), the second bar (12), lower connecting rod (5) are parallel to each other; Between the second bar (12) and lower connecting rod (5), be provided with the first middle splint (41) and the second middle splint (42), and the first middle splint (41) and the second middle splint (42) are 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 connecting rod (5), defines 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), defines second space;
Foamed aluminium composite material (6) is filled in the first space and second space respectively.
2. combined type compression sex vesicle foam aluminium composite material damper according to claim 1, it is characterized in that, the tensile strength of the first screw rod (31) and the second screw rod (32) and rigidity are at more than 335MPa; First screw rod (31) and the second screw rod (32) are fixed on upper cover plate (2) and lower connecting rod (5) respectively by spring bolt.
CN201510765509.XA 2015-11-11 2015-11-11 A kind of combined type compresses sex vesicle foam aluminium composite material damper Active CN105350677B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510765509.XA CN105350677B (en) 2015-11-11 2015-11-11 A kind of combined type compresses sex vesicle foam aluminium composite material damper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510765509.XA CN105350677B (en) 2015-11-11 2015-11-11 A kind of combined type compresses sex vesicle foam aluminium composite material damper

Publications (2)

Publication Number Publication Date
CN105350677A true CN105350677A (en) 2016-02-24
CN105350677B CN105350677B (en) 2017-07-18

Family

ID=55326726

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510765509.XA Active CN105350677B (en) 2015-11-11 2015-11-11 A kind of combined type compresses sex vesicle foam aluminium composite material damper

Country Status (1)

Country Link
CN (1) CN105350677B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108360703A (en) * 2018-04-18 2018-08-03 北京建筑大学 Seismic Isolation of Isolation Layer Compact Mounts and building with it

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110000155A1 (en) * 2009-07-02 2011-01-06 Frank Wellershoff Cable End 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
CN104929263A (en) * 2015-06-23 2015-09-23 东南大学 Assembled lead-foamed aluminum composite damper for building vibration reduction
CN104947826A (en) * 2015-06-15 2015-09-30 王涛 Self-reset buckling-restrained brace device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110000155A1 (en) * 2009-07-02 2011-01-06 Frank Wellershoff Cable End 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
CN104947826A (en) * 2015-06-15 2015-09-30 王涛 Self-reset buckling-restrained brace device
CN104929263A (en) * 2015-06-23 2015-09-23 东南大学 Assembled lead-foamed aluminum composite damper for building vibration reduction

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108360703A (en) * 2018-04-18 2018-08-03 北京建筑大学 Seismic Isolation of Isolation Layer Compact Mounts and building with it
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

Also Published As

Publication number Publication date
CN105350677B (en) 2017-07-18

Similar Documents

Publication Publication Date Title
CN108457384B (en) A kind of three-dimensional isolation/vibration support of the adaptive stiffness characteristics of band
CN103790106B (en) There is the parallel connection type negative stiffness structures isolation effect vibration damping holder of disk spring
CN108425433B (en) A kind of adaptive stiffness characteristics mobile decoupling formula three-dimensional isolation/vibration support
CN103195168B (en) Composite three-dimensional shock isolation support of sandwich rubber-high damping disc spring
CN203096936U (en) Tensile vibration-isolation support provided with steel wire ropes
CN101725190B (en) Three-dimensional composite seismic isolation supporting seat
CN206721660U (en) A kind of shock-absorbing bridge support
CN104563322A (en) Multi-dimensional earthquake reducing and isolating supporting seat
CN106835958B (en) A kind of three-dimensional shock isolation support
CN104929263B (en) A kind of building vibration damping assembled lead foamed aluminium composite material antivibrator
CN203809590U (en) Vibration attenuation mechanism
CN106592772A (en) Parallel laminated rubber-spring three-dimensional composite seismic isolation support
CN110029736A (en) A kind of abnormity three-dimensional shock isolation support
CN105350677A (en) Combined damper made by foamed aluminum combined material having compressibility
CN2581320Y (en) Fixed guide tube support type marine platform vibration isolating device
Tan et al. Development and performance evaluation of an innovative low-cost seismic isolator
CN204940579U (en) Tandem tension shock isolating pedestal
CN201865215U (en) Wall type soft steel bending energy dissipation damper
CN202745232U (en) Viscoelasticity damper
CN104441802A (en) Sandwich energy absorption device
US9970502B2 (en) Annular spring system
CN201598746U (en) Compound three-dimensional vibration isolation support saddle
CN104196144A (en) Separating sliding anti-tension device for isolation bearing
CN109881784A (en) A kind of cambered surface slide type three-dimensional shock isolation support
CN207079748U (en) Variable damping tuned mass damper device

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
GR01 Patent grant
GR01 Patent grant