CN105544761B - Shape memory alloy rolling horizontal and vertical multidimensional isolation bearing - Google Patents
Shape memory alloy rolling horizontal and vertical multidimensional isolation bearing Download PDFInfo
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- CN105544761B CN105544761B CN201510911988.1A CN201510911988A CN105544761B CN 105544761 B CN105544761 B CN 105544761B CN 201510911988 A CN201510911988 A CN 201510911988A CN 105544761 B CN105544761 B CN 105544761B
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- memory alloy
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/04—Bearings; Hinges
- E01D19/042—Mechanical bearings
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- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention provides a shape memory alloy rolling horizontal and vertical multidimensional isolation bearing, comprising an upper part cover plate, horizontal SMA rods, vertical SMA rods, a lower part cover plate, and a bottom board. The upper part cover plate comprises a top board and a central cylinder. The lower part cover plate comprises a cover plate and side plates. The lower side of the top board is fixedly connected with the central cylinder. Each side surface of the central cylinder is fixedly connected with the horizontal SMA rod. The other end of each horizontal SMA rod is fixedly connected with the side plate. The side plate is fixed on the cover plate. The periphery of the bottom of the cover plate is fixedly connected with the vertical SMA rods in an equal distance manner. The other end of the vertical SMA rod is fixedly connected with the bottom board. The bottom of the bottom board is fixedly connected with connecting bolts. The bearing can mitigate and absorb vibration in horizontal and vertical directions, and the superelasticity SMA rods can provide large output forces and stable reset performance.
Description
Technical field
Patent of the present invention belongs to civil engineering structure earthquake isolation technical field, in particular it relates to shape memory
Alloy rolls the vertical multidimensional shock insulation support of level.
Background technology
It is known that engineering structure is susceptible to destroy under violent earthquake effect even collapsing.In recent years, world wide
Interior violent earthquake frequently occurs, and various countries are created with far-reaching economic and social impacts.These destroy huge, far-reachingly
Shake indicates that the world has come into Earthquake Activity Periods.Therefore, study safer efficient, more economical reliable building structure shock insulation
System becomes the important topic of seismic resistance field.
But both at home and abroad the research of seismic isolation technology is predominantly stayed in the shock insulation of simple horizontal direction at present, many to realizing simultaneously
The research of dimension horizontal seismic isolation and vertical earthquake isolating is also rare.Be can be seen that vertically by substantial amounts of earthquake record statistics
Shake peak accelerator and horizontal earthquake acceleration ratio 1/2～2/3, and obtained vertical component of acceleration and reach or even super
Cross the earthquake record of horizontal acceleration component.And substantial amounts of earthquake shows, Vertical Earthquake Loads are sometimes even over horizontal earthquake
Effect, its impact to structure can not be ignored.
Now, normal stack rubber support is the seismic isolation technology of comparative maturity, due to its isolation property notable the advantages of, closely
It is widely applied over year.But it is as going deep into of research and increasing of practice, normal stack rubber support exposes
Not enough.At present, the deformation modulus of normal stack rubber support is relatively low, and horizontal distortion is big and the deformation of large deformation rear support is difficult to again
Position；Damping is less, energy dissipation capacity is poor, and the relative deformation of especially superstructure and Seismic Isolation of Isolation Layer is larger；Normal stack rubber support is not
Possesses the ability of vertical earthquake isolating；Normal stack rubber support also haves such problems as easily aging, perishable.Marmem conduct
A kind of brand-new functional material, has unique SME, superelastic effect, excellent damping capacity, fatigue resistance
Energy and decay resistance, are suitable for the exploitation of new shock insulation, damping device.
The Chinese utility model patent of Publication No. CN 2905932Y discloses a kind of level vertical composite shock insulation dress
Put, this utility model is made up of lead core rubber support vibration isolator and vertical earthquake isolating device, the main disk spring in vertical earthquake isolating Qi You center
Group, auxiliary disk spring group compose in parallel；Wherein, the main disk spring in center group is placed in centre, auxiliary disk spring group
Center is uniformly internally provided with main disk spring group guide cylinder with center main disk spring group, is provided with inside auxiliary disk spring group
Guide cylinder, gland is all arranged at the disk spring group top of center main disk spring group and auxiliary disk spring group.This device has
The ability of level of isolation and vertical seismic action simultaneously.But this bearing, in order to improve vertical bearing capacity and vertical deformation ability, uses
Multigroup disk spring being arranged in parallel, and each group disk spring is highly larger, is also easy to produce to wave and leads to topple, and weakens bearing
Multiple dimension shock-proof effect.
The Chinese invention patent application of Publication No. CN 103899705A discloses a kind of compound shape memorial alloy damping
Device, including upper junction steel plate, lower junction steel plate, core dissipative cell, upper steel column with holes, under steel column with holes, core dissipative cell
It is fixed between upper junction plate and lower junction steel plate, upper junction steel plate is identical with the side number of lower junction steel plate, upper junction steel plate
Steel column with holes installed on each summit, upper steel column with holes and under steel column with holes be respectively positioned on junction steel plate and lower junction steel plate it
Between, adjacent two upper steel columns with holes be disposed between down steel column with holes by upper steel column with holes and under hole on steel column with holes
Through shape-memory alloy wire bundle, shape-memory alloy wire bundle is fixed with upper steel column with holes by fixture.But this damper is only
It is applied to the power consumption of single direction it is difficult to carrying out horizontal, vertical multiple dimension shock-proof, meanwhile, damper adopts shape-memory alloy wire,
Easily damage under severe earthquake action.
The Chinese utility model patent application of Publication No. CN 203256901U discloses a kind of shape memory alloy damping
Energy dissipating support, this utility model by rubber element, upper strata junction steel plate, lower floor's junction steel plate, shape-memory alloy wire bundle, smooth
Annulus and pulley composition, rubber element is connected with upper strata junction steel plate and lower floor's junction steel plate, and lower floor's junction steel plate is joined with fixing
Examining is connection, and upper strata junction steel plate is connected with carrier, and smooth torus are uniformly distributed and are welded on upper strata junction steel plate and company of lower floor
Connect on steel plate, in smooth torus, shape-memory alloy wire bundle, pulley are arranged in bearing surrounding by smooth torus to pulley sleeve.
But this bearing provides the scarce capacity of big power output, big output displacement in severe earthquake action undersetting, and level cannot be realized, erect
To multiple dimension shock-proof.
The Chinese invention patent application of Publication No. CN 102839750A discloses a kind of mild steel rolling shock insulation support,
Holder top is covering plate structure, and top connecting plate is connected with upper base plate, and upper base plate is connected with the column portion of rolling plate, connects shape
Integral composition covering plate structure.Rolling plate is supported on ball, and ball is positioned in the seat slot of bottom, and seat slot provides rolling for ball
Dynamic space, enables ball freely to roll in the seat slot of bottom.Form the cavity of insertion, resistance to plucking cover plate between upper base plate and rolling plate
Upper board be inserted into when moving horizontally between this cavity, be fixedly connected between resistance to plucking cover plate lower panel and seat slot.Seat slot
The cavity inside being formed positioned at resistance to plucking cover plate bottom.A mild steel is placed respectively at the corner of top connecting plate and resistance to plucking cover plate
Rod.The mild steel being adopted due to this bearing, is difficult to after deformation reset.Additionally, this bearing does not possess the ability of horizontal vertical earthquake isolating.
Content of the invention
In order to overcome above problems of the prior art, the invention provides a kind of marmem rolls water
Put down vertical multidimensional shock insulation support, and the feature of this bearing be that damping capacity is strong, dependable performance, can Self-resetting.
To achieve these goals, this invention takes following technical scheme.
The invention provides marmem rolls the vertical multidimensional shock insulation support of level, this bearing includes upper cap
Plate, flat shape memory alloy bar, vertical shape memory alloy bar, bottom cover plate, base plate；This bearing includes horizontal seismic isolation subsystem
System and vertical earthquake isolating subsystem, horizontal seismic isolation subsystem is by bottom cover plate, base plate, ball and vertical shape memory alloy bar group
Become, vertical earthquake isolating subsystem includes top cover plate, lateral plate and flat shape memory alloy bar；
Described top cover plate includes top board and central tube, and described bottom cover plate includes cover plate and lateral plate；
It is fixedly connected with connecting bolt on the upside of described top board, be fixedly connected with described central tube on the downside of described top board；Described
Described flat shape memory alloy bar is fixedly connected on each side surface of central tube（Shape Memory Alloy, SMA, with
Lower abbreviation SMA rod）, each described horizontal SMA rod other end is fixedly connected with described lateral plate, described in described lateral plate is fixed on
On cover plate, described cover plate bottom surrounding is equidistantly fixedly connected with described vertical SMA rod, that is,（And）Each described SMA is excellent and adjacent
The distance between two SMA rods equal, the described vertical SMA rod other end is fixedly connected with described base plate, described bottom base plate
It is fixedly connected with connecting bolt.
SMA has good antidamping effect, and the power output of SMA rod and output displacement are apparently higher than SMA tow or by SMA
The twisted wire that tow process is formed, meanwhile, horizontal SMA excellent and vertical SMA rod collective effect, horizontal vibration can be resisted simultaneously and erect
To vibration.
Under level, vertical multi-component earthquake excitation, horizontal seismic isolation system is vertically connected between plate, the center of vertical earthquake isolating system
All there is the mutual changing of the relative positions, corresponding to this, vertically arrangement and horizontally disposed SMA rod all produce in this process between cylinder and side plate
Flexural deformation, and the required restoring force that resets is provided.In the case of small deformation, the linear elasticity stage can be utilized by curved SMA rod
Restoring force is realized resetting；In the case of large deformation, formed ysteresis effect by curved SMA rod output nonlinear restoring force and consumed
Can, reset function can be provided simultaneously.Using the SMA rod by curved state in shock isolating pedestal, its advantage is embodied in SMA rod installation side
Just, can ensure after being fixed in the course of the work that it is orthogonal with earthquake force direction.SMA rod under tension and compression stress is past
Toward needing the complicated attachment means of engagement formation to avoid it that flexing occurs in a compressed state, meanwhile, SMA rod axially has
High intensity, is difficult under external force be deformed, leads to bearing not work.Undersized SMA silk（General diameter 1～
2mm）Pulling force can only be born, need in actual applications can use through suitable pre-stretching, be capable of being pre-stretched and protect
The device that card pre-stretching is not lost has increasingly complex tectonic sieving scheme.When there is earthquake motion, horizontal seismic element is main
So that described vertical SMA rod is occured bending and deformation, in the middle consumed energy of the process of deformation, realize the vibration control of horizontal seismic isolation part
System.During this period, horizontal earthquake energy consumes in a large number, the central tube of bearing vertical earthquake isolating part, side plate and horizontal SMA rod with
Cover plate produces rigid body translation, and therefore, hardly the work on vertical earthquake isolating part produces impact to horizontal ground motion.Meanwhile, erect
So that central tube is moved up and down to seismic components, so that described horizontal SMA rod is occured bending and deformation and consumed energy, and described vertical
Only there is minimum tension and compression deformation because itself axial strength is high in SMA rod, the work of vertical earthquake isolating part will not be produced aobvious
The impact writing.
Preferably, described cover plate bottom is provided with groove, has multiple described balls in described groove.
In any of the above-described scheme preferably, described ball can roll on described base plate.
In any of the above-described scheme preferably, the plurality of ball multi-directionally in described groove rolls, thus driving
Described groove and thereon componental movement, simultaneously described cover plate bottom be provided with groove, described ball be located at groove in, and with described bottom
Plate contacts, and groove plays certain restriction effect to the rolling scope of described ball, realizes level side thus reaching and gathering ball
Purpose to shock insulation.And the control to the movement on described base plate of described ball of described groove, can effectively coordinate described vertical SMA
Rod is consumed energy and is resetted.
In any of the above-described scheme preferably, the cross section of described central tube is rectangle, i.e. described central tube has four
Side surface.
In any of the above-described scheme preferably, the cross section of described central tube is regular hexagon, i.e. described central tube has
Six side surfaces.
The shape of central tube, can be designed according to actual needs and select, and for example, if desired four sides are installed
SMA rod, then, the central tube of optional square-section, and, the shape of described top board, cover plate and base plate can also therefore make
Go out corresponding change.
In any of the above-described scheme preferably, each side surface of described central tube is fixedly connected at least one described water
Flat SMA rod.Described horizontal SMA rod can need to select installation number according to concrete engineering.
In any of the above-described scheme preferably, each side surface of described central tube is fixedly connected three described levels
SMA rod, these three horizontal SMA rods form a line or a row.
In any of the above-described scheme preferably, each side surface of described central tube is fixedly connected four described levels
SMA rod, this four horizontal SMA rods are rectangular.
In any of the above-described scheme preferably, each side surface of described central tube is fixedly connected six described levels
SMA rod, this six horizontal SMA rod two row or two arrangements are put, and form rectangle.
In any of the above-described scheme preferably, described cover plate bottom surrounding, each side is fixedly connected with two vertical SMA
Rod.
In any of the above-described scheme preferably, described cover plate bottom surrounding, each side is fixedly connected with three vertical SMA
Rod.
Multiple SMA rod cooperation, are conducive to improving the bearing capacity of bearing, and reduce the excellent stress of single SMA, this makes
Obtain the life of SMA rod, the durability of bearing is further improved, and usage cycles are also extended.
In any of the above-described scheme preferably, described lateral plate is fixed on described cover plate by steel pin.Steel pin fixed race
In mechanical connection, bonding strength is high, is hardly damaged.
In any of the above-described scheme preferably, described lateral plate and described central tube pass through described horizontal SMA rod equidistantly admittedly
Fixed connection, i.e. each side surface of described central tube has identical distance apart from each described accordingly lateral plate.Above-mentioned set
When the mode of putting makes this bearing be subject to level multidirectional vibration, the stress almost phase of each side surface of central tube and each lateral plate
With thus avoiding the problem leading to bearing to lose function of shock insulation because of local damage.
In any of the above-described scheme preferably, described top board is provided with described bottom edge and is connected preformed hole, described connection
Bolt can pass through the reserved light circular hole of described connection.By preformed hole, this bearing is connected by connecting bolt with building, bridge etc.,
In transportation, this bearing floor space is little, low cost, can disposably transport multiple bearings, and will not be because of connecting bolt
Prominent and be susceptible to the danger fractureing.Set by top board and base plate, connecting hole can be pre-machined in factory, and bearing is transported to construction
Scene can be installed, and be conducive to saving the duration, save construction cost.
In any of the above-described scheme preferably, the excellent and vertical SMA rod of described horizontal SMA is all big using diameter 10 ~ 20mm
Size SMA.The large scale SMA rod that bearing adopts can pass through superelastic effect while bearing upper load under Moment
The hysteretic loop being formed is consumed energy and can be undertaken large deformation and the external force of amplitude.
In any of the above-described scheme preferably, the material that the excellent and described vertical SMA rod of described horizontal SMA is used is super
Elastic SMA.At ambient temperature original state be the SMA of austenite it is believed that being super-elasticity SMA, its material under external force
Material is internal to there is phase transformation, and maximum recoverable strain reaches 6%～8%.In above-mentioned range of strain, memory alloy material will not
Damage, and the hysteretic loop with Self-resetting feature can be formed（Super-elasticity hysteresis）Consumed energy.
In any of the above-described scheme preferably, the diameter of described horizontal SMA excellent and described vertical SMA rod two ends canned paragraph is big
In SMA rod interlude diameter it is ensured that in loading process SMA rod primary deformable occur in its active section.
In any of the above-described scheme preferably, described horizontal SMA excellent and described vertical SMA rod two ends canned paragraph carries spiral shell
Line, convenient operation when combination is installed, and with connecting object, there is bigger contact area it is ensured that SMA stick end is connected jail
Gu.
In any of the above-described scheme preferably, described horizontal SMA rod is by locking nut and described lateral plate, described center
Cylinder connects.Combination is convenient when installing to be operated, and ensure that the configuration of bearing vertical earthquake isolating subsystem SMA rod can normal work,
Realize its predetermined reset and power consumption function.
In any of the above-described scheme preferably, described vertical SMA rod by locking nut respectively with described base plate and described
Cover plate connects.Combination is convenient when installing to be operated, and ensure that the configuration of bearing horizontal seismic isolation part SMA rod can normal work,
Realize its predetermined reset and power consumption function.
In any of the above-described scheme preferably, described cover plate and described base plate are reserved and described vertical SMA in relevant position
Excellent two ends canned paragraph diameter kissing closing light circular hole.Vertical SMA rod is directly fixed on cover plate and base plate by locking nut, energy
Enough avoid the situation that the findings such as nut are lost.
In any of the above-described scheme preferably, described groove is square, and in it, the length of side and described ball are in same straight line
The diameter sum in direction is identical, and this enables described ball while concave slot sports, drive disk and thereon componental movement, real
The isolation of existing horizontal ground motion, reduces the horizontal earthquake action suffered by superstructure.
In any of the above-described scheme preferably, described groove is circle, and its interior diameter and multiple described balls are with always
Line orient diameter sum is identical.
In any of the above-described scheme preferably, the plurality of ball can roll along multiple horizontal directions in described groove.
Groove is provided below in described cover plate, and ball, in the presence of described ball, bearing are set in described groove
Can move along any direction in the horizontal plane, vertical SMA rod occurs bending and deformation and consumed energy therewith, effective control bearing
Horizontal displacement peak value, and ensure the reset of bearing horizontal direction.
The large scale SMA rod that bearing adopts can be consumed energy by the hysteretic loop that superelastic effect is formed under Moment
And large deformation ability can be provided, it is suitable as reset components and auxiliary energy-consuming parts are used for the vibration control of engineering structure；And
And, the shock isolating pedestal that the present invention provides passes through excellent being used in conjunction with, in conjunction with the rolling of lower plate plate bottom of the excellent and vertical SMA of horizontal SMA
Pearl is so that the shock isolating pedestal of the present invention can realize level, vertical multiple dimension shock-proof；Plurality of SMA rod cooperation, is conducive to
Improve the bearing capacity of bearing, and reduce the excellent stress of single SMA, this makes the life of SMA rod, and the durability of bearing obtains
To improving, the usage cycles of bearing are also extended, meanwhile, the simple structure of shock isolating pedestal, easy for installation, and be convenient for changing
SMA rod.
Brief description
Fig. 1 is the vertical of the vertical multidimensional shock insulation support preferred embodiment of SMA rolling level according to the embodiment of the present invention
Body schematic diagram.
Fig. 2 is the front view of shock isolating pedestal shown in Fig. 1.
Fig. 3 is the A-A profile of shock isolating pedestal shown in Fig. 2.
Fig. 4 is the top view of shock isolating pedestal shown in Fig. 1.
Fig. 5 is the B-B profile of shock isolating pedestal shown in Fig. 4.
Fig. 6 is the schematic diagram of the SMA rod of shock isolating pedestal shown in Fig. 1.
The implication of each label of in figure is as follows：
1：Top cover plate；2：Bottom cover plate；3：Horizontal SMA rod；4：Ball；5：Base plate；6：Connect preformed hole；7：Vertically
SMA rod；
11：Top board；12：Central tube；21：Lateral plate；22：Cover plate；23：Groove.
Specific embodiment
In order to be better understood from technical scheme and advantage, below by specific embodiment, and combine accompanying drawing
The present invention will be further described.
Embodiment 1
A kind of marmem rolls the vertical multidimensional shock insulation support of level, and as Figure 1-Figure 5, this bearing is from upper past
Under include top cover plate 1, horizontal SMA rod 3, bottom cover plate 2, vertical SMA rod 7 and base plate 5 successively；Top cover plate 1 is by top board 11
Form with central tube 12, bottom cover plate 2 is made up of cover plate 22 and lateral plate 21；Top board 11 is provided with connection preformed hole 6, so as with even
Connecting bolt is fixedly connected, and top board 11 downside is fixedly connected with central tube 12；Central tube 12 has certain distance apart from cover plate 22, so that
Central tube moves up and down；Four horizontal SMA rods 3 are fixedly connected on each side surface of central tube 12, each horizontal SMA rod 3 is another
One end is fixedly connected with lateral plate 21, this four horizontal SMA rod 3 rows two-by-two, be separately fixed at the side surface of central tube 12 with
Between lateral plate 21, form rectangle, and central tube 12 is divided into uniform upper, middle and lower three part by this two row of horizontal SMA rod 3；Laterally
Plate 21 is fixed on cover plate 22, and cover plate 22 bottom surrounding is equidistantly fixedly connected with vertical SMA rod 7, that is,（And）Each described SMA rod
Equal with the distance between two adjacent SMA rods, and vertical SMA rod 7 is arranged on outside lateral plate 21, and, the appointing of bearing
Three vertical SMA rods 7 are all had on meaning a line, vertical SMA rod 7 other ends are fixedly connected with base plate 5, and base plate 5 bottom is passed through even
Connect preformed hole 6 to be fixedly connected with connecting bolt.
Cover plate 22 bottom is additionally provided with groove 23, and groove 23 is rectangle, has multiple balls 4 in groove 23, this ball 4 and base plate
5 directly contacts are it is possible to slide along any direction in the horizontal plane.The interior length of side of groove 23 and multiple described ball 4 are same
Rectilinear direction maximum gauge with identical.The centre of sphere of the lower limb of groove 23 and ball 4 is on the same line.
In the present embodiment, the excellent 7 two ends canned paragraphs of horizontal SMA rod 3 and vertical SMA with diameter greater than its interlude, and institute
Stating canned paragraph has a screw thread, central tube 12 and being laterally all connected by locking nut between plate 21 and horizontal SMA rod 3；Lateral plate 21
Bottom be provided with through hole, and on the upside of cover plate 22, be provided with structure corresponding with described through hole, will pass through steel pin, lateral plate 21 is solid
It is scheduled on cover plate 22；Vertically SMA rod 7 is connected with cover plate 22 and base plate 5 again by locking nut；Top board 11, central tube 12, lid
Plate 22 and base plate 5 are rectangle.
Lateral plate 21 is equidistantly fixedly connected by horizontal SMA rod 3 with central tube 12, i.e. each side surface of central tube 12
Apart from each accordingly lateral plate 21 there is identical distance.
Horizontal SMA rod 3 and vertical SMA rod 7 all adopt a diameter of 15 mm large scales SMA rods, and horizontal SMA rod 3 and vertical
The material that SMA rod 7 is used is super-elasticity SMA.In the present embodiment, the excellent and vertical SMA rod of horizontal SMA is all closed using NiTi
Gold.
The manufacturing process that the marmem of the present embodiment rolls the vertical multidimensional shock insulation support of level is as follows：
（1）Respectively in the presence of little shake and big shake, engineering structure is analyzed, will according to performance to be reached
Ask, determine size and the parameter of shock isolating pedestal.
（2）Top board 11 required for processing, central tube 12, lateral plate 21, cover plate 22, groove 23, SMA rod 3, ball 4 and
Base plate 5.
（3）Top board 11 and central tube 12 are fixed together formation top cover plate 1；Solid to lateral plate 21 and cover plate 22
Surely it is joined together to form bottom cover plate 2.
（4）Multiple horizontal SMA rods 3 are equably fixedly connected on one lateral plate 21 and central tube 12 by locking nut
Rise；Multiple vertical SMA rods 7 are equably fixed together cover plate 22 and base plate 5 by locking nut.
（5）Shock isolating pedestal is by structures such as the beam on the connecting bolt that is fixedly connected with top board 11 and present position top or plates
Component connects；Shock isolating pedestal is by the support of the connecting bolt that is fixedly connected with base plate 5 and present position bottom or bean column node
Connect.
Embodiment 2
A kind of marmem rolls the vertical multidimensional shock insulation support of level, as different from Example 1, central tube 12
Each side surface and respective lateral plate 21 between, six described horizontal SMA rods 3 are fixedly connected by locking nut, this six
The termination of horizontal SMA rod 3, on the outer surface and lateral plate 21 of central tube 12, forms rectangle, two rows, often arranges three SMA rods.
Embodiment 3
A kind of marmem rolls the vertical multidimensional shock insulation support of level, as different from Example 1, central tube 12
Each side surface and respective lateral plate 21 between, six described horizontal SMA rods 3 are fixedly connected by locking nut, this six
Horizontal SMA rod 3 row two-by-two, is equably arranged in outer surface, and that is, this three row of horizontal SMA rod 3 erects and sees in two straight lines,
Horizontal see in three straight lines, and the distance between every row of horizontal SMA rod 3 is equal, and the distance between each column horizontal SMA rod 3 also phase
Deng.
Embodiment 4.1
A kind of marmem rolls the vertical multidimensional shock insulation support of level, as different from Example 1, central tube 12
Each side surface and respective lateral plate 21 between, three described horizontal SMA rods 3 are fixedly connected by locking nut, these three
The termination of horizontal SMA rod 3, on the outer surface and lateral plate 21 of central tube 12, forms a line.
Embodiment 4.2
A kind of marmem rolls the vertical multidimensional shock insulation support of level, as different from Example 1, central tube 12
Each side surface and respective lateral plate 21 between, three described horizontal SMA rods 3 are fixedly connected by locking nut, these three
The termination of horizontal SMA rod 3, on the outer surface and lateral plate 21 of central tube 12, is arranged in a row.
Embodiment 5
A kind of marmem rolls the vertical multidimensional shock insulation support of level, as different from Example 1, central tube 12
Cross section be regular hexagon, i.e. central tube 12 has six side surfaces.Correspondingly, top board 11, cover plate 22 and base plate 5 are
Regular hexagon.
Embodiment 6
A kind of marmem rolls the vertical multidimensional shock insulation support of level, as different from Example 1, central tube 12
Cross section be regular pentagon, i.e. central tube 12 has five side surfaces.Correspondingly, top board 11, cover plate 22 and base plate 5 are
Regular pentagon.
Embodiment 7
A kind of marmem rolls the vertical multidimensional shock insulation support of level, as different from Example 1, central tube 12
Cross section be equilateral triangle, i.e. central tube 12 has three side surfaces.Correspondingly, top board 11, cover plate 22 and base plate 5 are
Equilateral triangle.
Embodiment 8
A kind of marmem rolls the vertical multidimensional shock insulation support of level, as different from Example 1, groove 23
Lower limb below the centre of sphere of ball 4, and with vertically the midpoint of radius is on the same line below.
Embodiment 9
A kind of marmem rolls the vertical multidimensional shock insulation support of level, as different from Example 1, groove 23
Lower limb above the centre of sphere of ball 4, and with its above vertically radius midpoint on the same line.
Embodiment 10
A kind of marmem rolls the vertical multidimensional shock insulation support of level, as different from Example 1, groove 23
Lower limb below the centre of sphere of ball 4, and with below vertically radius away from the centre of sphere 3/4 on the same line, that is, from ball
The heart set out 3/4 at.
Embodiment 11
A kind of marmem rolls the vertical multidimensional shock insulation support of level, as different from Example 1, groove 23
Lower limb above the centre of sphere of ball 4, and with its above vertically radius away from the centre of sphere 1/4 on the same line, i.e. from ball
The heart set out 1/4 at.
Embodiment 12
A kind of marmem rolls the vertical multidimensional shock insulation support of level, unlike the embodiments above, laterally
Plate 21 is fixedly connected on top board 11 by steel pin.
Embodiment 13
A kind of marmem rolls the vertical multidimensional shock insulation support of level, unlike the embodiments above, groove
23 are replaced by circular groove, and, the interior diameter of circle and multiple described balls are in same rectilinear direction maximum gauge sum
Identical.
Embodiment 14
A kind of marmem rolls the vertical multidimensional shock insulation support of level, unlike the embodiments above, from upper
Down include top cover plate 1, vertical SMA rod 7, bottom cover plate 2, horizontal SMA3, lateral plate 21 and base plate 5 successively；Vertically SMA rod
7th, all there is screw thread at horizontal SMA rod 3 two ends；Top cover plate 1 is made up of top board 11, and bottom cover plate 2 is by 12 groups of cover plate 22, central tube
Become；The bottom surrounding of top board 11 is fixedly connected vertical SMA rod 7 by locking nut, and locking is passed through in two one end of vertical SMA rod 7
Nut is fixedly connected on the upper surface of the cover plate 22 of cover plate 2；The lower section of cover plate 22 is additionally provided with groove 23, and the lower section of groove 23 sets
There is lower roof plate, described lower roof plate lower surface is fixedly connected central tube 12, and each outer surface of central tube 12 is fixedly connected four
Individual horizontal SMA rod 3, the other end of horizontal SMA rod 3 is fixedly connected with lateral plate 21 by locking nut；Lateral plate 21 passes through steel
Pin is fixedly connected on base plate 5.Top board 11 and base plate 5 are equipped with connection preformed hole, will pass through connecting bolt and place structure
Upper beam and underbeam be fixedly connected.
That is, in the present embodiment, horizontal seismic isolation subsystem upper, vertical earthquake isolating subsystem under, do not interfere with control damping every
Shake effect.
Embodiment 15.1
A kind of marmem rolls the vertical multidimensional shock insulation support of level, unlike the embodiments above, level
The diameter of SMA rod 3 and vertical SMA rod 7 is 10 mm.
Embodiment 15.2
A kind of marmem rolls the vertical multidimensional shock insulation support of level, unlike the embodiments above, level
The diameter of SMA rod 3 and vertical SMA rod 7 is 12 mm.
Embodiment 15.3
A kind of marmem rolls the vertical multidimensional shock insulation support of level, unlike the embodiments above, level
The diameter of SMA rod 3 and vertical SMA rod 7 is 14 mm.
Embodiment 15.4
A kind of marmem rolls the vertical multidimensional shock insulation support of level, unlike the embodiments above, level
The diameter of SMA rod 3 and vertical SMA rod 7 is 18 mm.
Embodiment 15.5
A kind of marmem rolls the vertical multidimensional shock insulation support of level, unlike the embodiments above, level
The diameter of SMA rod 3 and vertical SMA rod 7 is 20 mm.
It should be noted that various embodiments above, only in order to technical scheme to be described, is not intended to limit；Although
With reference to foregoing embodiments, the present invention is described in detail, it will be understood by those within the art that：It is still
Technical scheme described in foregoing embodiments can be modified, or wherein some or all of technical characteristic is carried out
Equivalent；And these modifications or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technical side
The scope of case.
Claims (18)
1. marmem rolls the vertical multidimensional shock insulation support of level, and this bearing includes top cover plate, bottom cover plate, bottom
Plate；It is characterized in that：Also include flat shape memory alloy bar, vertical shape memory alloy bar；
Described top cover plate includes top board and central tube, and described bottom cover plate includes cover plate and lateral plate；
It is fixedly connected with described central tube on the downside of described top board；It is fixedly connected described level on each side surface of described central tube
Shape memory alloy bar, the other end of each described flat shape memory alloy bar is fixedly connected with described lateral plate, described side
It is fixed on described cover plate to plate, described cover plate bottom surrounding is equidistantly fixedly connected with described vertical shape memory alloy bar, that is,
The distance between each described vertical shape memory alloy bar and adjacent two vertical shape memory alloy bars are equal, described perpendicular
The other end of straight shape memory alloy bar is fixedly connected with described base plate；
The cover plate bottom of described bottom cover plate is provided with groove, has multiple balls, the plurality of ball is described recessed in described groove
Can roll along multiple horizontal directions in groove.
2. marmem as claimed in claim 1 roll the vertical multidimensional shock insulation support of level it is characterised in that：Described
The cross section of central tube is rectangle, i.e. described central tube has four side surfaces.
3. marmem as claimed in claim 1 roll the vertical multidimensional shock insulation support of level it is characterised in that：Described
The cross section of central tube is regular hexagon, i.e. described central tube has six side surfaces.
4. marmem as claimed in claim 2 or claim 3 roll the vertical multidimensional shock insulation support of level it is characterised in that：
At least two described flat shape memory alloy bars are fixedly connected on each side surface of described central tube.
5. marmem as claimed in claim 4 roll the vertical multidimensional shock insulation support of level it is characterised in that：Described
Three described flat shape memory alloy bars, these three flat shape memorial alloys are fixedly connected on each side surface of central tube
Rod forms a line or a row.
6. marmem as claimed in claim 4 roll the vertical multidimensional shock insulation support of level it is characterised in that：Described
Four described flat shape memory alloy bars are fixedly connected on each side surface of central tube, this four flat shape memorial alloys
Rod is rectangular.
7. marmem as claimed in claim 4 roll the vertical multidimensional shock insulation support of level it is characterised in that：Described
Six described flat shape memory alloy bars are fixedly connected on each side surface of central tube, this six flat shape memorial alloys
Excellent double or dually arrayed, forms rectangle.
8. the marmem as described in claim 5 or 6 or 7 rolls the vertical multidimensional shock insulation support of level, and its feature exists
In：Described cover plate bottom surrounding, each side is fixedly connected with three vertical shape memory alloy bars.
9. the marmem as described in claim 5 or 6 or 7 rolls the vertical multidimensional shock insulation support of level, and its feature exists
In：Described cover plate bottom surrounding, each side is fixedly connected with two vertical shape memory alloy bars.
10. marmem as claimed in claim 8 roll the vertical multidimensional shock insulation support of level it is characterised in that：Institute
State lateral plate to be fixed on described cover plate by steel pin.
11. marmems as claimed in claim 10 roll the vertical multidimensional shock insulation supports of level it is characterised in that：Institute
State lateral plate to be equidistantly fixedly connected by flat shape memory alloy bar with described central tube.
12. marmems as claimed in claim 11 roll the vertical multidimensional shock insulation supports of level it is characterised in that：Institute
State top board and be provided with described bottom edge and be connected preformed hole, so that connecting bolt can pass through described connection preformed hole.
13. marmems as described in claim 1 or 12 roll the vertical multidimensional shock insulation support of level, and its feature exists
In：Described flat shape memory alloy bar and vertical shape memory alloy bar are the marmem of a diameter of 10 ~ 20mm.
14. marmems as claimed in claim 13 roll the vertical multidimensional shock insulation supports of level it is characterised in that：Institute
State flat shape memory alloy bar and material that described vertical shape memory alloy bar is used is super-elastic shape memory and closes
Gold.
15. marmems as claimed in claim 14 roll the vertical multidimensional shock insulation supports of level it is characterised in that：Institute
State flat shape memory alloy bar and described vertical shape memory alloy bar end canned paragraph with diameter greater than its interlude diameter, and
Canned paragraph is threaded.
Marmem described in 16. claims 15 roll the vertical multidimensional shock insulation support of level it is characterised in that：Described
Flat shape memory alloy bar is connected with described lateral plate, described central tube by locking nut.
17. marmems as described in claim 1 or 16 roll the vertical multidimensional shock insulation support of level, and its feature exists
In：Described vertical shape memory alloy bar is connected with described base plate and described cover plate respectively by locking nut.
18. marmems as claimed in claim 17 roll the vertical multidimensional shock insulation supports of level it is characterised in that：Institute
State what the cover plate and described base plate diameter of thread at the reserved two ends with described vertical shape memory alloy bar in relevant position coincide
Light circular hole.
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| CN201510911988.1A CN105544761B (en) | 2015-12-11 | 2015-12-11 | Shape memory alloy rolling horizontal and vertical multidimensional isolation bearing |
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| CN105544761B true CN105544761B (en) | 2017-02-22 |
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| CN106593056A (en) * | 2016-12-07 | 2017-04-26 | 北京工业大学 | Rotary-type straight-guiderail tension-resisting limiting shock isolating device |
| CN107100067A (en) * | 2017-05-22 | 2017-08-29 | 胥悦微 | It is a kind of to be used for the integral supporting structure of three bridge beam Horizontal Seismics |
| CN108612337B (en) * | 2018-05-08 | 2020-03-24 | 太原理工大学 | Ancient building reinforcing and repairing method based on structural seismic resistance |
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| US8053068B2 (en) * | 2007-03-29 | 2011-11-08 | Kazak Composites, Incorporated | Shape memory alloy composite material shock and vibration isolator devices |
| CN101575882B (en) * | 2009-05-05 | 2010-09-29 | 大连理工大学 | Mixed type shape memory alloy multi-dimensional vibration isolator |
| CN202099875U (en) * | 2011-05-18 | 2012-01-04 | 东南大学 | Shape memory alloy self-resetting multidimensional shock insulation support |
| CN103255851B (en) * | 2013-04-25 | 2015-06-10 | 河南理工大学 | Shape memory alloy friction composite vibration isolator |
| CN203782881U (en) * | 2014-04-18 | 2014-08-20 | 北京建筑大学 | Shock insulation support |
| CN205259391U (en) * | 2015-12-11 | 2016-05-25 | 北京建筑大学 | Shape memory alloy roll level - vertical multidimension isolation bearing |
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