CN109267667A - A kind of multidirectional Self-resetting marmem damper and its installation method - Google Patents
A kind of multidirectional Self-resetting marmem damper and its installation method Download PDFInfo
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- CN109267667A CN109267667A CN201811319933.1A CN201811319933A CN109267667A CN 109267667 A CN109267667 A CN 109267667A CN 201811319933 A CN201811319933 A CN 201811319933A CN 109267667 A CN109267667 A CN 109267667A
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- damper
- top plate
- bottom plate
- pulley spindle
- endless tube
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- 238000009434 installation Methods 0.000 title claims abstract description 10
- 238000000034 method Methods 0.000 title claims abstract description 9
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims abstract description 37
- 238000002955 isolation Methods 0.000 claims abstract description 15
- 229910000734 martensite Inorganic materials 0.000 claims abstract description 5
- 238000003466 welding Methods 0.000 claims description 8
- 230000009467 reduction Effects 0.000 claims description 3
- 238000011089 mechanical engineering Methods 0.000 abstract description 4
- 230000004044 response Effects 0.000 abstract description 3
- 230000005284 excitation Effects 0.000 abstract description 2
- 238000013016 damping Methods 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
Abstract
The invention discloses a kind of multidirectional Self-resetting marmem damper and its installation methods, pass through support chain bar connection between damper top plate and damper bottom plate, multiple pulleys have been symmetrically arranged on damper top plate and damper bottom plate, shape-memory alloy wire sequentially passes through that multiple pulleys are "Z"-shaped to be arranged symmetrically, form the damper of cylindrical structure, pre- tensioning is applied to shape-memory alloy wire by the tensioning nut being arranged on rotary damper bottom plate, its primary stress is made to be in martensitic traoformation middle section.It simple structure of the present invention and is easily installed, it can be widely applied to the passive control of civil engineering and mechanical engineering technical field, effectively reduce the vibration of structure or component and the residual deformation of Qiang Zhenhou, it can be applied to basic vibration isolation and energy-eliminating shock-absorbing system, can effectively control vibratory response of the superstructure under extraneous vibrational excitation.
Description
Technical field
The invention belongs to civil construction and mechanical engineering technical field, and in particular to a kind of multidirectional Self-resetting shape memory conjunction
Golden damper and its installation method planar any angle can play energy-dissipating and shock-absorbing effect.
Background technique
In modern technologies research, vibration is studied and is controlled as harmful influence for structure.?
Civil construction field, the vibration of structure with the characteristics of vibration frequency is low and vibrational energy is high, once damage will bring it is huge
Personnel's property loss.And in mechanical engineering field, mechanical equipment inevitably has self-vibration in use and forces
Vibration, influences the operation of various precision instrumentations, also forms noise pollution to surrounding enviroment.Therefore, the control of vibration seems
It is particularly important.
Marmem (SMA) has many special properties, in scientific research as a kind of completely new functional material
With a large amount of application has all been obtained in Practical Project.SMA damper is a kind of energy consumption damping unit relatively conventional at present.SMA
With extremely strong recoverable force ability, the overstrain generated in vibration can be restored quickly, and since it is with super-elasticity
Performance allows SMA damper to provide biggish damping, more the energy of consumption vibration transmitting, thus lifting system
Shock resistance.Presently found SMA type has hundreds of, not only has good damping characteristic and superelastic properties, but also
It is endurance, high temperature resistant, corrosion-resistant, thus its in engineering using more and more extensive.(refer to energy consumer, resistance from SMA and its controller
Buddhist nun's device, driver etc.) characteristic see that SMA can preferably meet the vibration control requirement of structure, therefore based on SMA structure vibration
Dynamic control has important researching value, and application prospect is very wide.
Therefore concrete engineering demand is combined, develops the marmem damper for meeting concrete engineering condition for knot
The vibration control technology of structure be vibration isolation and the popularization and application of energy-eliminating shock-absorbing technology have very important realistic meaning with
Engineering value.
Summary of the invention
In view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by the present invention is that providing a kind of multidirectional runback
Position marmem damper and its installation method, the purpose is to solve existing damper stroke is smaller, reseting performance is poor, with
And energy consumption finiteness problem.
The invention adopts the following technical scheme:
A kind of multidirectional Self-resetting marmem damper, including damper top plate, damper bottom plate and shape memory
Alloy wire, by support chain bar connection between damper top plate and damper bottom plate, damper top plate divides on damper bottom plate
It is not symmetrically arranged with multiple pulleys, shape-memory alloy wire sequentially passes through multiple pulleys and is arranged symmetrically in zigzag, hinders by rotation
The tensioning nut being arranged on Buddhist nun's device bottom plate applies pre- tensioning to shape-memory alloy wire, its primary stress is made to be in martensitic traoformation
Middle section.
Wherein, the side of damper top plate towards damper bottom plate is provided with upper fixed endless tube and top plate pulley spindle, damping
The side of device bottom plate towards damper top plate is provided with lower fixed endless tube and bottom plate pulley spindle, pulley are symmetrically arranged at top plate
On pulley spindle and bottom plate pulley spindle.
Wherein, anchor bolt, shape memory are respectively arranged with pulley corresponding position on upper fixed endless tube and lower fixed endless tube
One end of alloy wire is fixed on fixed endless tube, the other end through on the pulley and bottom plate pulley spindle on top plate pulley spindle pulley with
The anchor bolt connection being arranged on lower fixed endless tube, and fastened by tensioning nut.
Wherein, top plate pulley spindle and bottom plate pulley spindle are cirque structure, and the diameter of lower fixed endless tube is sliding greater than top plate
The diameter of wheel shaft, the diameter of top plate pulley spindle are greater than the diameter of upper fixed endless tube, and the diameter of upper fixed endless tube is greater than bottom plate pulley
The diameter of axis.
Wherein, eight pulleys being arranged at intervals on top plate pulley spindle and bottom plate pulley spindle, shape-memory alloy wire is eight,
It is symmetrically installed two-by-two；Any two symmetrical shape-memory alloy wires are a working group, when damper top plate and damping
When the parallel changing of the relative positions occurs for device bottom plate, one in any one working group in pretensioned two shape-memory alloy wires tends to draw
Long, another tends to be loose, dissipation energy and automatically resets during the horizontal changing of the relative positions repeatedly.
Wherein, pulley is internally provided with ball, by ball respectively with top plate pulley spindle and bottom plate pulley axis connection.
Further, the features of the present invention also characterized in that: support chain bar include eight, be arranged symmetrically in damper top plate and
Between damper bottom plate, supports the both ends of chain bar to pass through universal joint respectively and connect with damper top plate and damper bottom plate.
Further, the features of the present invention also characterized in that: damper top plate and damper bottom plate are provided with preformed hole, use
It, can relatively certainly on damper top plate and Seismic Isolation of Isolation Layer top plate vertical direction in being connect respectively with Seismic Isolation of Isolation Layer bottom plate and Seismic Isolation of Isolation Layer top plate
By moving.
Wherein, it is connected by screw bolts between damper bottom plate and buffer layer bottom plate or welding manner connects, buffer layer top plate
It is connect with damper top plate using vertical bolt-type.
It is of the invention another solution is that
A kind of installation method of multidirectional Self-resetting marmem damper, comprising the following steps:
S1, according to engineering practice and to the Analysis of Vibration Reduction result of engineering structure determine damper components size with
And the area of section and pre- tensioning strain value of shape-memory alloy wire；
S2, endless tube and top plate pulley spindle are fixed in welding on damper top plate, it is fixed under being welded on damper bottom plate
Endless tube and bottom plate pulley spindle；
S3, pulley is installed respectively on top plate pulley spindle and bottom plate pulley spindle；
S4, eight support chain bars are connected to damper top plate and damper bottom plate respectively by 16 universal joints
Together；
S5, the reserving hole that shape-memory alloy wire is passed through to upper fixed endless tube, then top plate pulley spindle and bottom are bypassed respectively
The pulley installed on plate pulley spindle eventually passes through the reserving hole of lower fixed endless tube to form " Z " font arrangement；
S6, one end of shape-memory alloy wire is fixed on upper fixed endless tube by two anchor bolts, by tightening
Shape-memory alloy wire is adjusted to scheduled strain regime by the tensioning nut being arranged on damper bottom plate；
S7, be bolted or damper bottom plate is fixed on buffer layer bottom plate by welding manner, buffer layer top plate to
The preformed hole that the vertical bar of lower stretching passes through damper top plate realizes that the vertical bolt-type between damper top plate and buffer layer top plate connects
It connects.
Compared with prior art, the present invention at least has the advantages that
A kind of multidirectional Self-resetting marmem damper of the present invention, passes through between damper top plate and damper bottom plate
Support chain bar connection, damper has the function of stronger energy dissipation, can reduce seismic energy to superstructure transmitting from
And reduce the earthquake response of superstructure；Shape-memory alloy wire is "Z"-shaped to be arranged symmetrically, by rotation tensioning nut to shape
Shape memory alloys silk applies pre- tensioning, its primary stress is made to be in martensitic traoformation middle section, has biggish initial stiffness, can be with
Meet the control of horizontal displacement requirement under horizontal external load effect or small shake act under regular service conditions.
Further, there is lesser shock insulation rigidity, when encounter fortification intensity and it is rare meet earthquake intensity earthquake when, damper due to
Large deformation and rigidity becomes smaller, good isolating affection can be played.
Further, there is biggish limit rigidity, meet the requirement of the displacement structure control (limit) under big shake effect；
With biggish stroke, it can satisfy the control of structure big displacement and require.
Further, setting ball can reduce friction caused by marmem sliding inside pulley.
Further, supporting the both ends of chain bar to connect by universal joint with damper top plate and damper bottom plate can be about
Beam damper top plate and bottom plate translation displacements are without constraining rotation displacement.
Further, it is connected by screw bolts between damper bottom plate and buffer layer bottom plate or welding manner connection may be implemented
Damper and buffer layer consolidate；Buffer layer top plate is connect using vertical bolt-type with damper top plate and damper may be implemented and subtract
It shakes and only transmits horizontal loading between layer.
The invention also discloses a kind of installation methods of multidirectional Self-resetting marmem damper, may be implemented to damp
The connection of device top plate and bottom plate, marmem are fixed and the predetermined strain regime of marmem.
In conclusion simple structure of the present invention and being easily installed, civil engineering and mechanical engineering technology can be widely applied to
The passive control in field effectively reduces the vibration of structure or component and the residual deformation of Qiang Zhenhou, can be applied to basic vibration isolation and
Energy-eliminating shock-absorbing system can effectively control vibratory response of the superstructure under extraneous vibrational excitation.
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Detailed description of the invention
Fig. 1 is the front elevation view of multidirectional Self-resetting marmem damper；
Fig. 2 is the A-A sectional view of multidirectional Self-resetting marmem damper in Fig. 1；
Fig. 3 is the B-B sectional view of multidirectional Self-resetting marmem damper in Fig. 1；
Fig. 4 is the C-C sectional view of multidirectional Self-resetting marmem damper in Fig. 3.
Wherein: 1. damper top plates；2. damper bottom plate；3. pulley；4. shape-memory alloy wire；5. endless tube is fixed on；
6. anchor bolt；7. top plate pulley spindle；8. bottom plate pulley spindle；9. lower fixed endless tube；10. supporting chain bar；11. tensioning nut；12.
Ball；13. universal joint；14. preformed hole.
Specific embodiment
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
"front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " side ", " one end ", " one side " etc.
The orientation or positional relationship of instruction is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of the description present invention and letter
Change description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construct and
Operation, therefore be not considered as limiting the invention.In addition, in the description of the present invention, unless otherwise indicated, " multiples' "
It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Referring to Fig. 1, a kind of multidirectional Self-resetting marmem damper of the present invention, including damper top plate 1, damping
Device bottom plate 2, pulley 3, shape-memory alloy wire 4, upper fixed endless tube 5, anchor bolt 6, top plate pulley spindle 7, bottom plate pulley spindle 8,
Lower fixed endless tube 9, support chain bar 10, tensioning nut 11, ball 12, universal joint 13 and preformed hole 14；Support chain bar 10 include
It more, is arranged at intervals between damper top plate 1 and damper bottom plate 2, is set respectively on damper top plate 1 and damper bottom plate 2
It is equipped with pulley 3, shape-memory alloy wire 4 sequentially passes through the pulley 3 on damper bottom plate 2 and damper top plate 1 and forms " Z " font
It is arranged symmetrically the damper of composition cylindrical structure, pre- tensioning is applied to shape-memory alloy wire 4 by rotating tensioning nut, is made
Its primary stress is in martensitic traoformation middle section.
Fig. 2 and Fig. 3 are please referred to, damper top plate 1 and damper bottom plate 2 are circle, and damper top plate is welded on 1 bottom surface
Upper fixed endless tube 5 and top plate pulley spindle 7, the diameter of upper fixed endless tube 5 are less than the diameter of top plate pulley spindle 7, damper bottom plate 2
Lower fixed endless tube 9 and bottom plate pulley spindle 8 are welded on top surface, the diameter of bottom plate pulley spindle 8 is less than the straight of lower fixed endless tube 9
Diameter；Pulley 3, pulley 3 and top plate pulley spindle 7 and bottom plate pulley are symmetrically installed on top plate pulley spindle 7 and bottom plate pulley spindle 8
Ball 12 is installed, as shown in Figure 4 between axis 8.
Anchor bolt 6, anchor bolt 6 are respectively arranged with 3 corresponding position of pulley on upper fixed endless tube 5 and lower fixed endless tube 9
Inside and outside upper fixed endless tube 5 and lower fixed endless tube 9, shape-memory alloy wire 4 sequentially passes through anchor bolt 6, upper solid
The pulley 3 installed on top plate pulley spindle 7 and bottom plate pulley spindle 8 is bypassed respectively after determining the reserving hole of endless tube 5, is eventually passed through lower solid
The reserving hole for determining endless tube 9 connect formation " Z " font with the anchor bolt 6 inside and outside lower fixed endless tube 9 and is arranged symmetrically, and leads to
Cross the fastening of tensioning nut 11.
The diameter of lower fixed endless tube 9 is greater than the diameter of top plate pulley spindle 7, and the diameter of top plate pulley spindle 7 is greater than upper fixed ring
The diameter of pipe 5, the diameter of upper fixed endless tube 5 are greater than the diameter of bottom plate pulley spindle 8.
Top plate pulley spindle 7 and bottom plate pulley spindle 8 are circular ring type structure, and the diameter of top plate pulley spindle 7 is sliding greater than bottom plate
Eight pulleys 3 are respectively arranged on the diameter of wheel shaft 8, top plate pulley spindle 7 and bottom plate pulley spindle 8, shape-memory alloy wire 4 is eight
Root is symmetrically installed two-by-two；Wherein, any two symmetrical shape-memory alloy wires 4 are a working group, when damper top
When with damper bottom plate 2 the parallel changing of the relative positions occurs for plate 1, one of pretensioned two shape-memory alloy wires 4 in any working group
Tend to elongate, another then tends to be loose, during the horizontal changing of the relative positions repeatedly, consumes using the superelastic properties of marmem
Energy is dissipated to automatically reset simultaneously.
There are eight support chain bars 10, support chain bar 10 and damper top plate 1 between damper top plate 1 and damper bottom plate 2
It is connected between damper bottom plate 2 using universal joint 13, as shown in Figures 2 and 3.
Damper top plate 1, damper bottom plate 2 are equipped with preformed hole 14, between shock insulation (damping) layer bottom plate and top plate
Connection type can be respectively adopted and be bolted and the connection of vertical bolt-type, i.e. damper top plate and shock insulation (damping) layer top plate hang down
Histogram then can effectively transmit restoring force with respect to free movement, horizontal direction upwards.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being described and shown in usually here in attached drawing is real
The component for applying example can be arranged and be designed by a variety of different configurations.Therefore, below to the present invention provided in the accompanying drawings
The detailed description of embodiment be not intended to limit the range of claimed invention, but be merely representative of of the invention selected
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.
A kind of installation of multidirectional Self-resetting marmem damper of the present invention the following steps are included:
Step 1 determines damper components ruler according to engineering practice and to the Analysis of Vibration Reduction result of engineering structure
Very little and shape-memory alloy wire area of section and pre- tensioning strain value；
Upper fixed endless tube 5 is welded on damper top plate 1 by step 2 with top plate pulley spindle 7, while by lower fixed endless tube 9
It is welded on damper bottom plate 2 with bottom plate pulley spindle 8；
Step 3 installs pulley 3 on top plate pulley spindle 7 and bottom plate pulley spindle 8 respectively；
Step 4 passes through eight support chain bar 10 and 16 universal joints 13 for damper top plate 1 and damper bottom plate 2
It links together；
Step 5, the reserving hole that shape-memory alloy wire 4 is passed through to upper fixed endless tube 5, then top plate pulley spindle is bypassed respectively
7 with the pulley 3 installed on bottom plate pulley spindle 8, eventually pass through the reserving hole of lower fixed endless tube 9 to form " Z " font arrangement；
One end of shape-memory alloy wire 4 is fixed on upper fixed endless tube 5 by step 6 by two anchor bolts 6, is led to
It crosses and tightens tensioning nut 11 shape-memory alloy wire 4 is adjusted to scheduled strain regime；
Step 7 is bolted or damper bottom plate 2 is fixed on buffer layer bottom plate by welding manner, buffer layer top
The vertical bar that plate extends downwardly passes through the vertical bolt between the realization damper top plate 1 of damper top plate preformed hole 14 and buffer layer top plate
Formula connection.
The connection of damper top plate and bottom plate may be implemented in above step, marmem is fixed and shape memory closes
The predetermined strain regime of gold.
The above content is merely illustrative of the invention's technical idea, and this does not limit the scope of protection of the present invention, all to press
According to technical idea proposed by the present invention, any changes made on the basis of the technical scheme each falls within claims of the present invention
Protection scope within.
Claims (10)
1. a kind of multidirectional Self-resetting marmem damper, which is characterized in that including damper top plate (1), damper bottom
Plate (2) and shape-memory alloy wire (4), between damper top plate (1) and damper bottom plate (2) even by support chain bar (10)
It connects, has been symmetrically arranged multiple pulleys (3) on damper top plate (1) and damper bottom plate (2), shape-memory alloy wire (4)
It sequentially passes through multiple pulleys (3) to be arranged symmetrically in zigzag, passes through the tensioning nut (11) being arranged on rotary damper bottom plate (2)
Pre- tensioning is applied to shape-memory alloy wire (4), its primary stress is made to be in martensitic traoformation middle section.
2. multidirectional Self-resetting marmem damper according to claim 1, which is characterized in that damper top plate
(1) side of damper bottom plate (2) is provided with upper fixed endless tube (5) and top plate pulley spindle (7), damper bottom plate (2) court
The side of damper top plate (1) is provided with lower fixed endless tube (9) and bottom plate pulley spindle (8), pulley (3) is symmetrically arranged at
On top plate pulley spindle (7) and bottom plate pulley spindle (8).
3. multidirectional Self-resetting marmem damper according to claim 2, which is characterized in that above fix endless tube
(5) and on lower fixed endless tube (9) it is respectively arranged with anchor bolt (6) with pulley (3) corresponding position, shape-memory alloy wire (4)
One end is fixed on fixed endless tube (5), and the other end is through the cunning on the pulley (3) and bottom plate pulley spindle (8) on top plate pulley spindle (7)
Wheel is connect with the anchor bolt (6) being arranged on lower fixed endless tube (9), and is fastened by tensioning nut (11).
4. multidirectional Self-resetting marmem damper according to claim 2, which is characterized in that top plate pulley spindle
(7) and bottom plate pulley spindle (8) is cirque structure, and the diameter of lower fixed endless tube (9) is greater than the diameter of top plate pulley spindle (7),
The diameter of top plate pulley spindle (7) is greater than the diameter of upper fixed endless tube (5), and the diameter of upper fixed endless tube (5) is greater than bottom plate pulley spindle
(8) diameter.
5. multidirectional Self-resetting marmem damper according to claim 4, which is characterized in that top plate pulley spindle
(7) and on bottom plate pulley spindle (8) eight pulleys (3) are arranged at intervals with, shape-memory alloy wire (4) is eight, two-by-two symmetrical peace
Dress；Any two symmetrical shape-memory alloy wires (4) are a working group, when damper top plate (1) and damper bottom
When the parallel changing of the relative positions occurs for plate (2), one in any one working group in pretensioned two shape-memory alloy wires (4) tends to
It elongates, another tends to be loose, dissipation energy and automatically resets during the horizontal changing of the relative positions repeatedly.
6. multidirectional Self-resetting marmem damper according to claim 2, which is characterized in that pulley (3) is internal
Ball (12) are provided with, are connect respectively with top plate pulley spindle (7) and bottom plate pulley spindle (8) by ball (12).
7. multidirectional Self-resetting marmem damper according to claim 1, which is characterized in that support chain bar (10)
It including eight, is arranged symmetrically between damper top plate (1) and damper bottom plate (2), the both ends of support chain bar (10) lead to respectively
Universal joint (13) is crossed to connect with damper top plate (1) and damper bottom plate (2).
8. multidirectional Self-resetting marmem damper according to claim 1, which is characterized in that damper top plate
(1) and damper bottom plate (2) is provided with preformed hole (14), for connecting respectively with Seismic Isolation of Isolation Layer bottom plate and Seismic Isolation of Isolation Layer top plate, hinders
It can be with respect to free movement in Buddhist nun's device top plate (1) and Seismic Isolation of Isolation Layer top plate vertical direction.
9. multidirectional Self-resetting marmem damper according to claim 8, which is characterized in that damper bottom plate
(2) it is connected by screw bolts between buffer layer bottom plate or welding manner connection, buffer layer top plate and damper top plate (1) uses and erects
It is connected to bolt-type.
10. a kind of installation method of multidirectional Self-resetting marmem damper as described in claim 1, which is characterized in that
The following steps are included:
S1, damper components size and shape are determined according to engineering practice and to the Analysis of Vibration Reduction result of engineering structure
The area of section of shape memory alloys silk and pre- tensioning strain value；
S2, endless tube (5) and top plate pulley spindle (7) are fixed in welding on damper top plate (1), is welded on damper bottom plate (2)
Connect lower fixed endless tube (9) and bottom plate pulley spindle (8)；
S3, pulley (3) are installed respectively on top plate pulley spindle (7) and bottom plate pulley spindle (8)；
S4, by eight support chain bars (10) by 16 universal joints (13) respectively with damper top plate (1) and damper bottom
Plate (2) links together；
S5, the reserving hole that shape-memory alloy wire (4) are passed through to upper fixed endless tube (5), then bypass top plate pulley spindle (7) respectively
With the pulley (3) installed on bottom plate pulley spindle (8), the reserving hole of lower fixed endless tube (9) is eventually passed through to form " Z " font
Arrangement；
S6, one end of shape-memory alloy wire (4) is fixed on upper fixed endless tube (5) by two anchor bolts (6), is passed through
It tightens the tensioning nut (11) being arranged on damper bottom plate (2) and shape-memory alloy wire (4) is adjusted to scheduled strain regime；
S7, it is bolted or damper bottom plate (2) is fixed on buffer layer bottom plate by welding manner, buffer layer top plate is downward
The preformed hole (14) that the vertical bar of stretching passes through damper top plate (1) is realized vertical between damper top plate (1) and buffer layer top plate
Bolt-type connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811319933.1A CN109267667B (en) | 2018-11-07 | 2018-11-07 | Multidirectional self-resetting shape memory alloy damper and installation method thereof |
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|---|---|---|---|
| CN201811319933.1A CN109267667B (en) | 2018-11-07 | 2018-11-07 | Multidirectional self-resetting shape memory alloy damper and installation method thereof |
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| CN109267667B CN109267667B (en) | 2020-06-09 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111733996A (en) * | 2020-06-11 | 2020-10-02 | 贵州理工学院 | Self-centering buckling restrained brace of large-deformation pulley block |
| CN111733995A (en) * | 2020-06-11 | 2020-10-02 | 贵州理工学院 | Self-centering system of large-deformation pulley block |
| CN112096584A (en) * | 2020-11-16 | 2020-12-18 | 睿恩光电有限责任公司 | Shape memory alloy wire drive device and electronic apparatus |
| CN112922376A (en) * | 2021-02-22 | 2021-06-08 | 中国长江三峡集团有限公司 | Resetting device and method for supporting and monitoring offset of cylinder |
| CN115217230A (en) * | 2022-06-28 | 2022-10-21 | 华能澜沧江水电股份有限公司 | Shape memory alloy damper |
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| JP2004092891A (en) * | 2002-09-04 | 2004-03-25 | Minolta Co Ltd | Engagement release/damper mechanism utilizing shape memory alloy |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111733996A (en) * | 2020-06-11 | 2020-10-02 | 贵州理工学院 | Self-centering buckling restrained brace of large-deformation pulley block |
| CN111733995A (en) * | 2020-06-11 | 2020-10-02 | 贵州理工学院 | Self-centering system of large-deformation pulley block |
| CN112096584A (en) * | 2020-11-16 | 2020-12-18 | 睿恩光电有限责任公司 | Shape memory alloy wire drive device and electronic apparatus |
| CN112922376A (en) * | 2021-02-22 | 2021-06-08 | 中国长江三峡集团有限公司 | Resetting device and method for supporting and monitoring offset of cylinder |
| CN115217230A (en) * | 2022-06-28 | 2022-10-21 | 华能澜沧江水电股份有限公司 | Shape memory alloy damper |
| CN115217230B (en) * | 2022-06-28 | 2023-08-08 | 华能澜沧江水电股份有限公司 | Shape memory alloy damper |
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