CN105625599A - Reset shape memory alloy-extrusion type lead composite energy consumption damper - Google Patents
Reset shape memory alloy-extrusion type lead composite energy consumption damper Download PDFInfo
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- CN105625599A CN105625599A CN201610179984.3A CN201610179984A CN105625599A CN 105625599 A CN105625599 A CN 105625599A CN 201610179984 A CN201610179984 A CN 201610179984A CN 105625599 A CN105625599 A CN 105625599A
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- plate
- sma
- damper
- push
- pull rod
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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
Abstract
The invention relates to a reset shape memory alloy-extrusion type lead composite energy consumption damper and belongs to the field of civil engineering. The damper comprises a front cover plate, a rear cover plate, a left pull plate, a right pull plate, a fixing plate, a prestress adjusting plate, an inner barrel, an outer barrel, a push-pull rod, an SMA wire, an SMA spring and a lead block. The novel damper has the advantages of being high in reset capacity, high in energy consumption, adjustable in damping force, good in durability, corrosion resistance and anti-fatigue performance, sensitive in small deformation, large in working temperature range and the like, and has the good practical application value for energy consumption and vibration reduction. When in use, the damper is installed on the portion, capable of producing relative displacement, of a large device or a building, rods on the two sides of the damper produce relative displacement when the structure vibrates, some energy is consumed by the damper, damping energy consumption is achieved, the vibration reaction of the main body structure is reduced, and the damper is reset after vibration is stopped.
Description
Technical field
The present invention relates to a kind of from the plumbous compound energy-consumption damper of reset shapes memorial alloy-extrusion pressing type, it is applicable to the vibration damping control of engineering structure, belongs to field of civil engineering.
Background technology
Engineering structure system all can produce response when being subject to extraneous interference or excitation, this is because excitation makes system obtain the input of energy. Meanwhile, the energy of input can be changed into heat energy or other form of energy by certain mechanism and consume again by system, makes input energy and consume energy keep balance. The ability of this kind of systems consume energy is called damping. For huge civil engineering structure, rely on self damping energy dissipation characteristic opposing Extraneous vibrations and unreliable. Along with the continuous proposition of novel damping energy dissipation technology, the mode utilizing structure to add outside element or inner interpolation element realizes structural vibration control mode and all embodies good control effects.
Metallic damper is the deoscillator of the various forms made by softer metals, there is after metal yield good hysteresis performance, utilize the elastoplasticity hysteresis distortion power consumption that some metal has, comprise extrusion pressing type plumbous deoscillator, shearing type lead damper, shape memory alloy (shapememoryalloys, it is called for short SMA) deoscillator etc., their Energy Dissipation Mechanism is that the portion of energy utilizing metal to enter the absorbing structure vibration of plastic yielding stage is to reach vibration damping control.
The plumbous deoscillator of extrusion pressing type mainly utilizes lead to be squeezed and produces what viscous deformation was consumed energy after surrender, there is long service life, it is provided that damping force reliable and size is unrelated with Deformation velocity, to micro-displacement change sensitivity, the features such as serviceability is very stable, are widely used in structural vibration reduction control. Although but this type of deoscillator has good energy consumption effect, but there will be residual set after shaking, it is unfavorable for continuing to use.
SMA is one of widely used intelligent material, higher than unloading during austenite phase transformation temperature, there is no residual strain, it is called super-elasticity, this characteristic SMA is utilized to be widely used in the exploitation of intelligent apparatus, type of service has SMA silk material, SMA bar, SMA spring etc., SMA device is compared with conventional apparatus, there is weather resistance and good corrosion resistance, usage period limit for length, allowable transformation is big and is out of shape series of advantages such as can recovering, but just current SMA deoscillator, although it has well from resetting function, but energy consumption effect is also not obvious, therefore its application is restricted.
Summary of the invention
In order to reduce the residual set of structural vibration and Qiang Zhenhou, the present invention provides a kind of from the plumbous compound energy-consumption damper of reset shapes memorial alloy-extrusion pressing type, damper model (such as Fig. 1), deoscillator forms primarily of two portions, a part is power consumption group, another part is reset group, meets highly energy-consuming and self-resetting capability simultaneously. Damping force provided by the invention can regulate simultaneously, greatly expands its scope of application.
The technical scheme of the present invention:
A kind of from the plumbous compound energy-consumption damper of reset shapes memorial alloy-extrusion pressing type, it is made up of two portions, power consumption group is made up of the plumbous deoscillator of the extrusion pressing type of interior cylinder and the SMA silk 5 and the SMA spring 13 that are installed between interior cylinder 6 and urceolus 2, reset group is made up of SMA silk 5 and SMA spring 13, give full play to the super elastic characteristics of SMA, especially the self-resetting capability of SMA spring, makes deoscillator can recover original state after vibration, does not affect it and continues to use. Two groups work jointly, utilize the energy dissipation behavior of extruding lead 16 highly energy-consuming and SMA spring 13 and SMA silk 5 simultaneously, can carry out vibration damping simultaneously.
A kind of from the plumbous compound energy-consumption damper of reset shapes memorial alloy-extrusion pressing type, comprise front cover plate 12, rear cover plate 17, Zola's plate 15, right pulling plate 9, retaining plate 7, prestress adjustable plate 3, interior cylinder 6, urceolus 2, push-pull rod 11, shape memory alloy (SMA) silk 5, shape memory alloy (SMA) spring 13 and built-in lead 16, four groups of SMA silks 5 are successively through prestress adjustable plate 3, Zola's plate 15, retaining plate 7 and right pulling plate 9, prestress adjustable plate 3, Zola's plate 15, retaining plate 7 and right pulling plate 9 are ring structure, SMA silk 5 be distributed between urceolus and interior cylinder formed central cavity in, its two ends are strained and fixed with fixture 4 respectively, Zola's plate 15 arranged outside prestress adjustable plate 3, changes the distance between prestress adjustable plate 3 and Zola's plate 15 by adjusting bolt 14, and then regulates the initial strain of SMA silk 5, annular retaining plate 7 inner ring and interior cylinder 6 weld, and its outer shroud is connected by standing bolt 8 and urceolus 2, push-pull rod 11 is cylinder type, and its one end and middle part are provided with transverse annular baffle plate, is welded with trilateral rigidity hampering plate in the middle part of two transverse baffles on cylinder, it is provided with multiple longitudinal baffle inside interior cylinder 6, forming groove between two longitudinal baffles, groove is corresponding with the trilateral rigidity hampering plate on push-pull rod 11, and extruding lead 16 is directly embedded in interior cylinder groove 18, rigidity is made to hinder a part to be absorbed in lead, there is extruding mutually when moving, the front and back cavity that urceolus 2 is formed with interior cylinder 6 installs SMA spring 13 respectively, and wherein, the SMA spring 13 in front cavity is through the spring rod 10 being welded on front cover plate 12, and the SMA spring 13 in rear cavity is through push-pull rod 11, front cover plate 12, rear cover plate 17 and union lever 1 are connected with urceolus 2 by bolt, and push-pull rod 11 is through rear cover plate 17.
By regulating, adjusting bolt 14 regulates the distance between prestress adjustable plate 3 and Zola's plate 15 to regulate the initial strain of SMA silk 5 and the quantity by changing built-in lead 16 in the present invention, the damping force of this deoscillator all adjustable, makes this deoscillator range of application more extensive.
Simple structure of the present invention, part is less, makes with installation process simple, and suitability is strong, easy to maintenance, can effectively improve the vibration resistance energy of structure, have wide popularization market and application prospect.
Accompanying drawing explanation
Fig. 1 is the deoscillator cross-sectional view of the present invention.
Fig. 2 is the a-a cross-sectional view of Fig. 1 of the present invention.
Fig. 3 is the b-b cross-sectional view of Fig. 1 of the present invention.
Fig. 4 is the c-c cross-sectional view of Fig. 1 of the present invention.
Fig. 5 is the interior cylinder orthographic plan of the present invention.
Fig. 6 is the interior cylinder sectional view of the present invention.
Fig. 7 is the push-pull rod orthographic plan of the present invention.
Fig. 8 is the push-pull rod 1-1 cross-sectional view of the present invention.
Fig. 9 is the push-pull rod 2-2 cross-sectional view of the present invention.
Figure 10 is the prestress adjustable plate orthographic plan of the present invention.
Figure 11 is the prestress adjustable plate sectional view of the present invention.
Figure 12 is the Zola board plane figure of the present invention.
Figure 13 is Zola's plate sectional view of the present invention.
Figure 14 is the right pulling plate orthographic plan of the present invention.
Figure 15 is the right pulling plate sectional view of the present invention.
Figure 16 is that position view installed by deoscillator.
In figure: 1 union lever; 2 urceolus; 3 prestress adjustable plates; 4 fixtures; 5SMA silk; Cylinder in 6; 7 retaining plates; 8 standing bolts; 9 right pulling plates; 10 spring rods; 11 push-pull rods; Cover plate before 12; 13SMA spring; 14 adjusting bolts; 15 Zola's plates; 16 leads; Cover plate after 17; A groove in 18.
Embodiment
Below in conjunction with accompanying drawing and technical scheme, the specific embodiment of the present invention is described further.
A kind of from the plumbous compound energy-consumption damper of reset shapes memorial alloy-extrusion pressing type, comprise front cover plate 12, rear cover plate 17, Zola's plate 15, right pulling plate 9, retaining plate 7, prestress adjustable plate 3, interior cylinder 6, urceolus 2, push-pull rod 11, shape memory alloy (SMA) silk 5, shape memory alloy (SMA) spring 13 and built-in lead 16, four groups of SMA silks 5 are successively through prestress adjustable plate 3, Zola's plate 15, retaining plate 7 and right pulling plate 9, prestress adjustable plate 3, Zola's plate 15, retaining plate 7 and right pulling plate 9 are ring structure, SMA silk 5 be distributed between urceolus and interior cylinder formed central cavity in, its two ends are strained and fixed with fixture 4 respectively, Zola's plate 15 arranged outside prestress adjustable plate 3, changes the distance between prestress adjustable plate 3 and Zola's plate 15 by adjusting bolt 14, and then regulates the initial strain of SMA silk 5, annular retaining plate 7 inner ring and interior cylinder 6 weld, and its outer shroud is connected by standing bolt 8 and urceolus 2, push-pull rod 11 is cylinder type, and its one end and middle part are provided with transverse annular baffle plate, is welded with trilateral rigidity hampering plate in the middle part of two transverse baffles on cylinder, it is provided with multiple longitudinal baffle inside interior cylinder 6, forming groove between two longitudinal baffles, groove is corresponding with the trilateral rigidity hampering plate on push-pull rod 11, and extruding lead 16 is directly embedded in interior cylinder groove 18, rigidity is made to hinder a part to be absorbed in lead, there is extruding mutually when moving, the front and back cavity that urceolus 2 is formed with interior cylinder 6 installs SMA spring 13 respectively, and wherein, the SMA spring 13 in front cavity is through the spring rod 10 being welded on front cover plate 12, and the SMA spring 13 in rear cavity is through push-pull rod 11, front cover plate 12, rear cover plate 17 and union lever 1 are connected with urceolus 2 by bolt, and push-pull rod 11 is through rear cover plate 17.
When there is relative displacement in push-pull rod 11 and union lever 1, owing to interior cylinder 6 is fixed in urceolus 2, simultaneously due to the restriction of push-pull rod 11 end and middle barrier, Zola's plate 15 is restricted with the athletic meeting of right pulling plate 9, therefore left right pulling plate can produce relative displacement, the SMA silk 5 being in pretensioned state now connecting them continues tension, therefore no matter push-pull rod 11 is stressed or pulling force, SMA silk 5 all under tension effects, side, left and right SMA spring 13 is subject to the effect offer restorer of power simultaneously, interior cylinder 6 produces relative displacement with push-pull rod 11, built-in lead is caused to be squeezed. SMA silk, SMA spring and lead work simultaneously, consume energy with this. due to the good automatic recovery ability of SMA silk and SMA spring after vibrated so that deoscillator recovers original state, reaching from the function resetted, whole process achieves the highly energy-consuming of deoscillator and the function that certainly resets well.
By regulating, adjusting bolt 14 regulates the distance between prestress adjustable plate 3 and Zola's plate 15 to regulate the initial strain of SMA silk 5 and the quantity by changing built-in lead 16 in the present invention, the damping force of this deoscillator all adjustable, makes this deoscillator range of application more extensive.
During use, the present invention is arranged on main equipment or buildings can produce on the position of relative displacement, when structural vibration, deoscillator both sides rod member produces relative displacement, the damped device of portion of energy dissipates, with this oscillation damping and energy dissipating, reducing the dynamic respons of agent structure, after vibration stops, deoscillator is from resetting.
The present invention compared with prior art has the following advantages: highly energy-consuming, from resets, good endurance, thin tail sheep sensitivity, damping force is adjustable, simple structure is easy to assembly. Structural vibration reduction field will be widely used in.
Claims (2)
1. one kind from the plumbous compound energy-consumption damper of reset shapes memorial alloy-extrusion pressing type, it is characterized in that, front cover plate (12) should be comprised from the plumbous compound energy-consumption damper of reset shapes memorial alloy-extrusion pressing type, rear cover plate (17), Zola's plate (15), right pulling plate (9), retaining plate (7), prestress adjustable plate (3), interior cylinder (6), urceolus (2), push-pull rod (11), SMA silk (5), SMA spring (13) and lead (16), four groups of SMA silks (5) are successively through prestress adjustable plate (3), Zola's plate (15), retaining plate (7) and right pulling plate (9), prestress adjustable plate (3), Zola's plate (15), retaining plate (7) and right pulling plate (9) are ring structure, SMA silk (5) be distributed between urceolus and interior cylinder formed central cavity in, its two ends are strained and fixed with fixture (4) respectively, Zola's plate (15) arranged outside prestress adjustable plate (3), changed the distance between prestress adjustable plate (3) and Zola's plate (15) by adjusting bolt (14), and then regulate the initial strain of SMA silk (5), annular retaining plate (7) inner ring and interior cylinder (6) welding, its outer shroud is connected by standing bolt (8) and urceolus (2), push-pull rod (11) is cylinder type, and its one end and middle part are provided with transverse annular baffle plate, is welded with trilateral rigidity hampering plate in the simple middle part of two transverse annular baffle plates on cylinder, interior cylinder (6) inner side is provided with multiple longitudinal baffle, groove is formed between two longitudinal baffles, groove is corresponding with the trilateral rigidity hampering plate on push-pull rod (11), extruding lead (16) is directly embedded in interior cylinder groove (18), a trilateral rigidity hampering plate part is made to be absorbed in lead, there is extruding mutually when moving, the front and back cavity that urceolus (2) and interior cylinder (6) are formed installs SMA spring (13) respectively, wherein, SMA spring (13) in front cavity is through the spring rod (10) being welded on front cover plate (12), and the SMA spring (13) in rear cavity is through push-pull rod (11), front cover plate (12), rear cover plate (17) and union lever (1) are connected with urceolus (2) by bolt, and push-pull rod (11) is through rear cover plate (17).
2. according to claim 1 from the plumbous compound energy-consumption damper of reset shapes memorial alloy-extrusion pressing type, it is characterised in that, place polylith lead (16) in described interior cylinder groove (18), for regulating the damping force of this deoscillator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610179984.3A CN105625599B (en) | 2016-03-25 | 2016-03-25 | A kind of compound energy-consumption damper of Self-resetting marmem extrusion pressing type lead |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610179984.3A CN105625599B (en) | 2016-03-25 | 2016-03-25 | A kind of compound energy-consumption damper of Self-resetting marmem extrusion pressing type lead |
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| CN105625599A true CN105625599A (en) | 2016-06-01 |
| CN105625599B CN105625599B (en) | 2018-02-16 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109853773A (en) * | 2019-04-12 | 2019-06-07 | 中国地震局工程力学研究所 | Multistage-compound anti-buckling support of multistage energy consumption and installation method |
| CN110259242A (en) * | 2019-06-20 | 2019-09-20 | 同济大学 | A kind of composite spring-SMA re-centring damper |
| CN110821257A (en) * | 2019-10-18 | 2020-02-21 | 北京工业大学 | Energy-consuming damping damper |
| CN111853128A (en) * | 2020-07-08 | 2020-10-30 | 国网陕西省电力公司经济技术研究院 | Self-resetting composite damper used in field of electrical engineering |
| CN113958018A (en) * | 2021-10-25 | 2022-01-21 | 北京交通大学 | Tension-compression unequal-toughness hinge device and assembling method |
| CN114776121A (en) * | 2022-05-26 | 2022-07-22 | 安徽工业大学 | Self-resetting shape memory alloy-foamed aluminum-based composite damper |
Families Citing this family (1)
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| CN109505364B (en) * | 2018-11-29 | 2020-10-27 | 青岛理工大学 | Self-resetting energy-consuming steel support with shape memory alloy damper |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109853773A (en) * | 2019-04-12 | 2019-06-07 | 中国地震局工程力学研究所 | Multistage-compound anti-buckling support of multistage energy consumption and installation method |
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| CN110259242A (en) * | 2019-06-20 | 2019-09-20 | 同济大学 | A kind of composite spring-SMA re-centring damper |
| CN110821257A (en) * | 2019-10-18 | 2020-02-21 | 北京工业大学 | Energy-consuming damping damper |
| CN111853128A (en) * | 2020-07-08 | 2020-10-30 | 国网陕西省电力公司经济技术研究院 | Self-resetting composite damper used in field of electrical engineering |
| CN113958018A (en) * | 2021-10-25 | 2022-01-21 | 北京交通大学 | Tension-compression unequal-toughness hinge device and assembling method |
| CN113958018B (en) * | 2021-10-25 | 2022-08-23 | 北京交通大学 | Tension-compression unequal-toughness hinge device and assembling method |
| CN114776121A (en) * | 2022-05-26 | 2022-07-22 | 安徽工业大学 | Self-resetting shape memory alloy-foamed aluminum-based composite damper |
| 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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