CN100532749C - Semi-active shape memory alloy deoscillator - Google Patents
Semi-active shape memory alloy deoscillator Download PDFInfo
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- CN100532749C CN100532749C CNB2007100567638A CN200710056763A CN100532749C CN 100532749 C CN100532749 C CN 100532749C CN B2007100567638 A CNB2007100567638 A CN B2007100567638A CN 200710056763 A CN200710056763 A CN 200710056763A CN 100532749 C CN100532749 C CN 100532749C
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- memory alloy
- shape memory
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Abstract
A semi-active shape-memory-alloy damper comprises a first steel plate, a second steel plate, a third steel plate, and a fourth steel plate, and every steel plate is equipped with a hole in the center which is passing installed with a steel pipe inside, wherein the first steel plate and the fourth steel plate are fixed on the steel pipe, and the second steel plate and the third steel plate are sliding installed on the steel plate, while a hyper elastic shape-memory-alloy tinsel set and a shape-memory-alloy tinsel set are homo interval installed between the first steel plate and the second steel plate and between the third steel plate and the fourth steel plate. A first support and a second support are installed via the first steel plate, the second steel plate, the third steel plate, and the fourth steel plate from left side and right side and crossing cover the steel pipe, while blocks are interval installed between the first support and the second support for limiting movement of the second steel plate and the third steel plate. The invention has not only an adjustable parameter and higher self-adaptability, but also a simple structure with convenience assembling and disassembling and a lower cost.
Description
Technical field
The present invention relates to a kind of marmem damper.Particularly relate to a kind of shape-memory alloy wire working group number, reach the Simi-active shape memory alloy deoscillator of regulating damper output control purpose by the change damper.
Background technology
Simi-active shape memory alloy deoscillator is to utilize the super bullet of marmem hysteretic energy characteristic to carry out the energy-dissipating device of vibration damping.Marmem has characteristics such as corrosion resistance, high damping, more than austenite end temp Af, marmem can produce about 8% hyperelastic deformation, its loading, the unloading path inconsistent, thereby form a full hysteretic loop, the area of this hysteretic loop is exactly the energy that marmem dissipates.Existing marmem damper mostly is the passive damping device, can not guarantee all to have good oscillation damping and energy dissipating under various vibration situations, thereby its self application is relatively poor; In addition, there is the low problem of shape-memory alloy wire utilization rate in the partial shape memory alloy damper.At present, marmem damper mostly is the passive damping device both at home and abroad, and parameters such as its rigidity, output control are non-adjustable, can not guarantee all have good oscillation damping and energy dissipating under various vibration situations, thereby its applicability to the vibration situation are relatively poor; In addition, partial shape memorial alloy passive damping device is when work, the problem that exists all shape-memory alloy wires not work simultaneously, be that a part of shape-memory alloy wire is under the stretching duty, and another part shape-memory alloy wire is in the press-bending off working state, and this greatly reduces the utilization rate of shape-memory alloy wire.
Summary of the invention
Technical problem to be solved by this invention is, provides a kind of by changing the shape-memory alloy wire working group number of damper, reaches the Simi-active shape memory alloy deoscillator of regulating damper output control purpose.
The technical solution adopted in the present invention is: a kind of Simi-active shape memory alloy deoscillator, include middle first steel plate, second steel plate, the 3rd steel plate and the 4th steel plate that is formed with through hole and is arranged in order setting, run through successively in the through hole of each steel plate and be provided with steel pipe, wherein, first steel plate and the 4th steel plate are fixed on the steel pipe, and second steel plate and the 3rd steel plate are slidably disposed on the steel pipe; Between first steel plate and second steel plate and between the 3rd steel plate and the 4th steel plate all the compartment of terrain be provided with super-elastic shape memory alloy wire group and shape memory effect shape-memory alloy wire group; Also be provided with first and support and second support, it first supports and second support runs through first steel plate, second steel plate, the 3rd steel plate, the 4th steel plate from and arranged on left and right sides respectively and is enclosed within on the steel pipe across; Support and second support all to be arranged at intervals with and support between (1) and second support (8) in order to promotion or spur the link stopper of second steel plate and the 3rd steel plate first second steel plate and the 3rd steel plate are spacing first.
Also be arranged at intervals with on the described steel pipe second steel plate and the spacing link stopper between steel pipe (9) of the 3rd steel plate.
Described first is supported for fork configuration, be by the support handle, the arc that is formed on the connector of support handle one end and is connected the connector upper/lower terminal support to constitute, and the compartment of terrain is provided with second steel plate and the 3rd steel plate is spacing supports between (15) in order to promote or to spur the link stopper of second steel plate and the 3rd steel plate at arc on arc supports away from that end of connector.
Described second support is identical with first structure that supports.
Described is that through hole with each steel plate is upper and lower boundary in super-elastic shape memory alloy wire group set between first steel plate and second steel plate, between the 3rd steel plate and the 4th steel plate and shape memory effect shape-memory alloy wire group, being provided with of upper and lower correspondence organized more, wherein, super-elastic shape memory alloy wire group and shape memory effect shape-memory alloy wire group are to be provided with at interval.
Described is that through hole with each steel plate is upper and lower boundary in super-elastic shape memory alloy wire group set between first steel plate and second steel plate, between the 3rd steel plate and the 4th steel plate and shape memory effect shape-memory alloy wire group, upper and lower correspondence respectively be provided with three groups, in every group, middle one group is the super-elastic shape memory alloy wire group, and both sides are shape memory effect shape-memory alloy wire group.
Simi-active shape memory alloy deoscillator of the present invention, used shape-memory alloy wire is by the shape-memory alloy wire with shape memory effect and have hyperelastic shape-memory alloy wire and form, the shape-memory alloy wire that has shape memory effect by current flow heats, it is reached more than the austenite end temp, thereby change the shape-memory alloy wire working group number of damper, reach the purpose of regulating damper output control.
Simi-active shape memory alloy deoscillator of the present invention has following characteristics:
1, parameter own has adjustability, exports different controls according to difference vibration situation, has stronger self application; 2, used super-elastic shape memory alloy wire group is in the stretching duty all the time, has improved the utilization rate of shape-memory alloy wire, has saved the cost of Simi-active shape memory alloy deoscillator; 3, the present invention is formed by each component-assembled, assembling, convenient disassembly, and structure design is simple, and is with low cost.
Description of drawings
Fig. 1 is the structural representation of Simi-active shape memory alloy deoscillator;
Fig. 2 is the section structure schematic diagram of Fig. 1;
Fig. 3 is first structural representation that supports of Simi-active shape memory alloy deoscillator;
Fig. 4 is the side schematic view of Fig. 3.
Wherein:
2: the first steel plates of support in 1: the first
3: super-elastic shape memory alloy wire group 4; Second steel plate
Steel plate 6 in 5: the three: shape memory effect shape-memory alloy wire group
The support in 8: the second of 7: the four steel plates
9: cylindrical steel tube 10: bolt
12: the second blocks of 11: the first blocks
The specific embodiment
Below in conjunction with drawings and Examples Simi-active shape memory alloy deoscillator of the present invention is made a detailed description.
As shown in Figure 1 and Figure 2, Simi-active shape memory alloy deoscillator of the present invention, be formed with first steel plate 2, second steel plate 4, the 3rd steel plate 5 and the 4th steel plate 7 of through hole in the middle of including, run through successively in the through hole of each steel plate and be provided with steel pipe 9, wherein, first steel plate 2 and the 4th steel plate 7 are fixed on the steel pipe 9, and second steel plate 4 and the 3rd steel plate 5 are slidably disposed on the steel pipe 9; Between first steel plate 2 and second steel plate 4, be provided with super-elastic shape memory alloy wire group 3 and shape memory effect shape-memory alloy wire group 6 between the 3rd steel plate 5 and the 4th steel plate 7, its setting is that the through hole with each steel plate is upper and lower boundary, respectively being provided with of upper and lower correspondence organized more, wherein, super-elastic shape memory alloy wire group 3 and shape memory effect shape-memory alloy wire group 6 are to be provided with at interval.
In set super-elastic shape memory alloy wire group 3 and shape memory effect shape-memory alloy wire group 6 between first steel plate 2 and second steel plate 4, between the 3rd steel plate 5 and the 4th steel plate 7, can also be that through hole with each steel plate is upper and lower boundary, upper and lower correspondence respectively be provided with three groups, in every group, middle one group is super-elastic shape memory alloy wire group 3, and both sides are shape memory effect shape-memory alloy wire group 6.
Also be provided with first and support 1 and second support 8, the structure of described first support 1 and second support 8 is identical.As shown in Figure 3, Figure 4, it is fork configuration that described first support 1, second supports 8, be by support handle 13, the connector 14 that is formed on support handle 13 1 ends supports 15 with the arc that is connected connector 14 upper/lower terminals and constitutes, arc support 15 away from that end of connector 14 on the compartment of terrain be provided with second steel plate 4 and the 3rd steel plate 5 spacing between it, in order to promote or to spur the link stopper 11 of second steel plate 4 and the 3rd steel plate 5.First supports 1 and second supports 8 and runs through first steel plate 2, second steel plate 4, the 3rd steel plate 5, the 4th steel plate 7 from and arranged on left and right sides respectively and be enclosed within across on the steel pipe 9, and with in second steel plate 4 and the 3rd steel plate 5 spacing set link stoppers 11, thereby can promote or spur second steel plate 4 and the 3rd steel plate 5 thereon.Also be arranged at intervals with on the described steel pipe 9 second steel plate 4 and the 3rd steel plate 5 spacing link stoppers 12 between it.
When Simi-active shape memory alloy deoscillator is installed, at first be separately fixed at super-elastic shape memory alloy wire group 3 and shape memory effect shape-memory alloy wire group 6 between first steel plate 2 and second steel plate 4, between the 3rd steel plate 5 and the 4th steel plate 7, the steel plate that will fix shape-memory alloy wire then is enclosed within on the steel pipe 9, and second block 12 is installed on steel pipe 9, to fix steel plate, support 1 and second with first at last and support 8 cross caps on steel pipe 9.
The operating principle of Simi-active shape memory alloy deoscillator of the present invention is: when first supports 1 and second support, 8 pressurizeds, be fixed on first and support first link stopper 11 on 1 and will promote second steel plate 4 and move right, be fixed on first link stopper 11 in second support 8 and will promote the 3rd steel plate 5 and be moved to the left along steel pipe 9 along steel pipe 9; Support 1 and second when supporting 8 tensions when first, be fixed on first and support first link stopper 11 on 1 and will spur the 3rd steel plate 5 and be moved to the left, be fixed on first link stopper 11 in second support 8 and will spur second steel plate 4 and move right along steel pipe 9 along steel pipe 9.Under normal operational phase or small earthquakes effect, the 3 participation work of super-elastic shape memory alloy wire group are only arranged, and under the excessive or big shake effect of structural response, partly or entirely has shape memory effect shape-memory alloy wire group 6 by current flow heats, it is reached more than the austenite end temp, thereby be additional bigger rigidity and the damping of Simi-active shape memory alloy, reach the purpose of structural vibration optimum control.
Claims (6)
1. Simi-active shape memory alloy deoscillator, it is characterized in that, include middle first steel plate (2), second steel plate (4), the 3rd steel plate (5) and the 4th steel plate (7) that is formed with through hole and is arranged in order setting, run through successively in the through hole of each steel plate and be provided with steel pipe (9), wherein, first steel plate (2) and the 4th steel plate (7) are fixed on the steel pipe (9), and second steel plate (4) and the 3rd steel plate (5) are slidably disposed on the steel pipe (9); Between first steel plate (2) and second steel plate (4) and between the 3rd steel plate (5) and the 4th steel plate (7) all the compartment of terrain be provided with super-elastic shape memory alloy wire group (3) and shape memory effect shape-memory alloy wire group (6); Also be provided with first and support (1) and second and support (8), it first supports (1) and second support (8) and runs through first steel plate (2), second steel plate (4), the 3rd steel plate (5), the 4th steel plate (7) from and arranged on left and right sides respectively and be enclosed within across on the steel pipe (9); Supporting (1) and second first supports all to be arranged at intervals with on (8) and supports between (1) and second support (8) in order to promotion or spur the link stopper (11) of second steel plate (4) and the 3rd steel plate (5) first second steel plate (4) and the 3rd steel plate (5) are spacing.
2. Simi-active shape memory alloy deoscillator according to claim 1 is characterized in that, also is arranged at intervals with on the described steel pipe (9) second steel plate (4) and the spacing link stopper (12) between steel pipe (9) of the 3rd steel plate (5).
3. Simi-active shape memory alloy deoscillator according to claim 1, it is characterized in that, described first support (1) is a fork configuration, be by support handle (13), the arc that is formed on the connector (14) of support handle (13) one ends and is connected connector (14) upper/lower terminal supports (15) and constitutes, arc support (15) away from that end of connector (14) on the compartment of terrain be provided with and support between (15) in order to promotion or spur the link stopper (11) of second steel plate (4) and the 3rd steel plate (5) at arc second steel plate (4) and the 3rd steel plate (5) are spacing.
4. Simi-active shape memory alloy deoscillator according to claim 1 is characterized in that, the structure that (1) is supported in described second support (8) and first is identical.
5. Simi-active shape memory alloy deoscillator according to claim 1, it is characterized in that, described is that through hole with each steel plate is upper and lower boundary in super-elastic shape memory alloy wire group (3) set between first steel plate (2) and second steel plate (4), between the 3rd steel plate (5) and the 4th steel plate (7) and shape memory effect shape-memory alloy wire group (6), respectively being provided with of upper and lower correspondence organized more, wherein, super-elastic shape memory alloy wire group (3) and shape memory effect shape-memory alloy wire group (6) are to be provided with at interval.
6. Simi-active shape memory alloy deoscillator according to claim 1, it is characterized in that, described is that through hole with each steel plate is upper and lower boundary in super-elastic shape memory alloy wire group (3) set between first steel plate (2) and second steel plate (4), between the 3rd steel plate (5) and the 4th steel plate (7) and shape memory effect shape-memory alloy wire group (6), upper and lower correspondence respectively be provided with three groups, in every group, middle one group is super-elastic shape memory alloy wire group (3), and both sides are shape memory effect shape-memory alloy wire group (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100567638A CN100532749C (en) | 2007-02-09 | 2007-02-09 | Semi-active shape memory alloy deoscillator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100567638A CN100532749C (en) | 2007-02-09 | 2007-02-09 | Semi-active shape memory alloy deoscillator |
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| Publication Number | Publication Date |
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| CN101016757A CN101016757A (en) | 2007-08-15 |
| CN100532749C true CN100532749C (en) | 2009-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100567638A Expired - Fee Related CN100532749C (en) | 2007-02-09 | 2007-02-09 | Semi-active shape memory alloy deoscillator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111155785B (en) * | 2020-01-20 | 2024-03-26 | 同济大学 | Damaged steel plate reinforcing device and reinforcing method |
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Granted publication date: 20090826 Termination date: 20110209 |