CN108049516A - Grading damper with memory alloy spring - Google Patents
Grading damper with memory alloy spring Download PDFInfo
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- CN108049516A CN108049516A CN201711358208.0A CN201711358208A CN108049516A CN 108049516 A CN108049516 A CN 108049516A CN 201711358208 A CN201711358208 A CN 201711358208A CN 108049516 A CN108049516 A CN 108049516A
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- Prior art keywords
- damper
- spring
- steel
- steel plate
- arm
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Classifications
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- 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
Abstract
This divisional application is related to a kind of grading damper with memory alloy spring, belongs to building engineering structure anti-seismic technology field, for solving the problems, such as to widen damper use scope, technical essential is：Including slip damper, spring damper and the connector for being connected slip damper with spring damper, the spring in the spring damper is prepared for memorial alloy.Effect is：The vibrations of smaller or greater intensity no matter are met with, adaptability energy consumption can be carried out, thus, use connector so that sliding friction is consumed energy in small shake, and spring consumes energy when shake greatly, and Sexual behavior mode is adapted to according to shockproofness by connector, so it is greatly broadened the use scope of damper.
Description
The application is application number 2017103489899, point of applying date 2017-05-17, denomination of invention " grading damper "
Case application.
Technical field
The invention belongs to building engineering structure anti-seismic technology fields, are related to a kind of damper.
Background technology
With earthquake take place frequently and the development of anti-seismic technology, people are while seismic design of structures is carried out, also gradually
Start to pay attention to the application of energy dissipator in the structure.Therefore, it can take installation that there is certain energy dissipation capacity in non-weight bearing area
The measure of device, and designing makes damper in itself with good from recovery capacity.When meeting with small shake, structure has in itself
Rigidity can ensure its normal use；When meeting with big shake, as structure deforms in itself, damper is also begun into non-resilient
Stage, energy-dissipating and shock-absorbing reduce the destruction of agent structure.
Energy-dissipating and shock-absorbing technology is mainly：By adding passive energy-consuming device in original structure, consume originally by structure structure
The seismic energy of part consumption, slows down the deformation and damage brought by shock effect to structure significantly.The energy consumption developed at present
Device mainly has：Viscous damper, viscoelastic damper, Metallic damper and friction energy dissipation device, wherein preceding two class is known as speed phase
Pass type energy consumer, rear two class are referred to as hysteresis type energy consumer, and Metallic damper is divided into as lead damper and mild steel damper.Hysteresis
Type energy consumer is using deformation and hysteresis consumed energy, and velocity correlation type energy consumer is to resist to make using viscosity related with speed
Damping force is obtained with, variation from small amplitude to large amplitude.
Generally damper is used to play the cushioning effect to building in the prior art, however, being given a shock the shadow of intensity
It ringing, spring rate requirement, which results in damper, can consume energy to offset big metamorphosis, thus, the damping of this rigidity requirement
Device is to small metamorphosis and insensitive, and still, small vibrations are still existing, this portion of energy should be also consumed, and be made
It obtains no matter damper can meet with the vibrations of smaller or larger intensity, adaptability energy consumption can be carried out.
The content of the invention
In order to solve the problems, such as to widen damper use scope, the present invention proposes following scheme：
A kind of grading damper, including sliding damper, spring damper and the company for sliding damper and spring damper
Fitting, connector start spring damper when sliding damper movement and stopping.
Further, the slip damper includes the first steel plate group and the second steel plate group；First steel plate group is flat by two pieces
Capable steel plate composition, two steel plates are symmetrically through the chock for having the telescopic spring direction for making chock along two chocks of connection to move
Accommodating hole is located at by the chock that spring connects in the chock accommodating hole；Second steel plate group is made of two blocks of parallel steel plates, this two
Distance between a steel plate allows the first steel plate group to be slided along the inner wall of the second steel plate, which, which symmetrically runs through to have, makes chock quilt
The chock mounting hole of pop-up, and there is axis hole at the rear of chock mounting hole along glide direction.
Further, the spring damper includes outer sleeve, inner cylinder；Outer sleeve is horizontal positioned hollow cylinder,
One side bottom surface is not closed, and inner cylinder is less than the horizontal positioned hollow cylinder of outer sleeve for diameter, also there is one side bottom surface not seal
It closes, and is placed in by the closing bottom surface for not closing bottom surface towards outer sleeve of inner cylinder in outer sleeve, and inner cylinder does not close bottom surface
Between the closing bottom surface of outer sleeve there is a distance, there is spring between the sealing surface of inner cylinder and the sealing surface of outer sleeve.
Further, the connector includes steel arm, lifting arm, steel column, and the second steel plate group is connected to outer sleeve envelope
Close the outer wall of bottom surface；One side of the chock accommodating hole of an at least steel plate for the first steel plate group more away from the second steel plate group is consolidated
Surely there is a fixing axle, be attached to form " L " shape steel arm there are two steel arm, be equipped in the axis hole of the second steel plate group
One axis, another two steel arm are connected on the axis to be formed " L " shape steel arm, and two steel arms extend simultaneously due to the junction of axis
It is connected on lifting steel arm, lifting steel arm is equipped with steel column；Two described " L " the shape steel arms form diamond shape activity by axis connection
Frame；The steel column is plugged to inner cylinder by the limit hole activity of outer sleeve, inner cylinder side, when steel column is plugged to inner cylinder, by steel
Column demarcates spring.
Further, the one end of first steel plate away from the second steel plate is connected with a baffle, and the baffle is connected to
On connecting plate, the closing bottom surface of inner cylinder is connected with a baffle, and the baffle is connected on connecting plate.
Further, the spring is the spring prepared by memorial alloy, and spring is had by the position that steel column divides
Recess；When diamond shape activity box movement drive steel column moves up, the limit hole on inner cylinder is departed from when moving, and by outer sleeve
Limit hole is limited between inner cylinder and outer sleeve, and lifting arm is connected with " L " shape steel arm with an angle, makes lifting arm parallel
In the side of outer sleeve and inner cylinder, steel column is vertical grafting.
Advantageous effect：The invention enables the vibrations no matter damper can meet with smaller or larger intensity, can carry out
Adaptability consumes energy, thus, utilize connector so that in small shake, sliding friction is consumed energy, and spring consumes energy when shake greatly, and by
Connector adapts to Sexual behavior mode according to shockproofness, is so greatly broadened the use scope of damper.
Description of the drawings
Fig. 1 is grading damper assembling effect figure.
Fig. 2 is the C-D structural maps of Fig. 1.
Fig. 3 is the schematic diagram with triangular-shaped wedge steel plate.
Fig. 4 is C-D connection sectional views.
Wherein：1. the first steel plate group, 2. second steel plate groups, 3. chocks, 4. springs, 5. chock accommodating holes, 6. chocks are fixed
Hole, 7. axis holes, 8. outer sleeves, 9. inner cylinders, 10. springs, 11. steel arms, 12. lifting arms, 13. steel columns, 14. fixing axles, 15. gears
Plate, 16. connecting plates, 17.U type grooves.
Specific embodiment
Embodiment：A kind of grading damper, including sliding damper, spring damper and sliding damper and spring shock absorption
The connector of device, connector start spring damper when sliding damper movement and stopping.It is general in the prior art to use damping
Device plays the cushioning effect of building, however, being subject to damping intensity effect, spring rate requirement, which results in damper, to consume energy
To offset big metamorphosis, thus, the damper of this rigidity requirement is still, small to small metamorphosis and insensitive
Vibrations are still existing, this portion of energy should be also consumed so that no matter damper can meet with smaller or greater intensity
Vibrations, adaptability energy consumption can be carried out, thus, use connector so that in small shake sliding friction consume energy, shake greatly
When spring consume energy, and Sexual behavior mode is adapted to according to shockproofness by connector, is so greatly broadened the use scope of damper.
In one embodiment, the slip damper includes the first steel plate group and the second steel plate group；
The slip damper includes the first steel plate group 1 and the second steel plate group 2；
First steel plate group 1 is made of two blocks of parallel steel plates, and two steel plates, which symmetrically run through to have, makes chock 3 along connection two
The chock accommodating hole 5 of 4 telescopic direction of the spring movement of chock 3, the chock 3 connected by spring 4 are located in the chock accommodating hole 5；
Second steel plate group 2 is made of two blocks of parallel steel plates, and distance between two steel plates allows the first steel plate group 1 along the
The inner walls of two steel plates slides, and two steel plates are symmetrically through there is the chock mounting hole 6 that is ejected chock 3, and along glide direction
There is axis hole 7 at the rear of chock mounting hole 6.This solution provides a kind of slip dampers, are embedded using two groups of parallel steel plates
Formula is slided, and using the mode of chock /V, is stopped sliding when sliding intensity and being not suitable for supporting current seismic intensity, be provided
Level-one damping.
In one embodiment, the spring damper includes outer sleeve 8, inner cylinder 9；Outer sleeve 8 is horizontal positioned sky
Heart cylinder, one side bottom surface are not closed, and inner cylinder 9 is less than the horizontal positioned hollow cylinder of outer sleeve 8 for diameter, also have one
Side bottom surface is not closed, and is placed in by the closing bottom surface for not closing bottom surface towards outer sleeve 8 of inner cylinder 9 in outer sleeve 8, and inner cylinder
9 do not close has a distance between bottom surface and the closing bottom surface of outer sleeve 8, in the envelope of the sealing surface and outer sleeve 8 of inner cylinder 9
It closes between face with spring 10.This solution provides a kind of spring damper, and it is an object of the present invention to provide two level shakes.
In one embodiment, the connector includes steel arm 11, lifting arm 12, steel column 13, and the second steel plate group 2 connects
It is connected to the outer wall that outer sleeve 8 closes bottom surface；The chock accommodating hole 5 of an at least steel plate for the first steel plate group 1 is more away from
The one side of two steel plate groups 2 is fixed with a fixing axle 14, is attached to form " L " shape steel arm 11 there are two steel arm 11, described
One axis is installed in the axis hole 7 of the second steel plate group 2, another two steel arm 11 is connected on the axis to form " L " shape steel arm 11, and
And two steel arms 11, since the junction of axis extends and is connected on lifting steel arm 11, lifting steel arm 11 is equipped with steel column 13；
Two " L " shape steel arms 11 form diamond shape activity box by axis connection；The steel column 13 is by outer sleeve 8, inner cylinder 9 side
Limit hole activity is plugged to inner cylinder 9, when steel column 13 is plugged to inner cylinder 9, is demarcated spring 10 by steel column 13.The program carries
Supplied a kind of connector, firsts and seconds damping be attached, and by connector another grade damping failure after, automatic start two
Grade damping, so as to obtain a kind of damper that adaptability damping selection is carried out automatically according to shockproofness of wide scope.
The one end of first steel plate away from the second steel plate is connected with a baffle 15, and the baffle 15 is connected to connecting plate
On 16, the closing bottom surface of inner cylinder 9 is connected with a baffle 15, and the baffle 15 is connected on connecting plate 16.
In one embodiment, the spring between the sealing surface of the inner cylinder 9 and the sealing surface of outer sleeve 8 is by remembering
Alloy is prepared, and the position that spring is divided by steel column 13 has recess；The movement of diamond shape activity box drives steel column 13 to moving up
Depart from the limit hole on inner cylinder 9 when dynamic, when moving, and be limited in by the limit hole of outer sleeve 8 between inner cylinder 9 and outer sleeve 8,
And lifting arm 12 is connected with " L " shape steel arm 11 with an angle, makes side of the lifting arm 12 parallel to outer sleeve 8 and inner cylinder 9,
Steel column 13 is vertical grafting.
Steel column is limited between inner cylinder and outer sleeve, and the vertical grafting of steel column, in order to its maintenance when
It waits, it is easier to which the position being restored in inner cylinder if directly deviating from housing, does not only take up larger space, and is not easy to reply, separately
On the one hand, by spring selected as memory alloy spring, purpose is also for the superpower restoring force using memorial alloy so that damping
Afterwards, spring can accurately revert to initial state and position so that steel column smoothly divides spring when being inserted into inner cylinder.Shape is remembered
The super elastic characteristics for recalling alloy have many advantages compared with other ordinary metallic materials：Super elastic shape memory alloy is tired first
Labor characteristic is fine, and is inevitably damaged in other materials Xun Huan, influences the service life；Secondly marmem can recover
Strain value is very big, what ordinary metallic material was difficult to realize；Finally, due to Ovshinsky bulk modulus is more than geneva bulk modulus,
Shape memory alloy elastic modulus raises with temperature and increases (opposite with common metal), this makes it still keep at relatively high temperatures
High elastic modulus.Therefore, the spring section of the device can be fabricated to using marmem.
The application method of grading damper described in above-mentioned each scheme is as follows：
Two steel plates of the first steel plate group 1 are slided along the inner wall of the second steel plate group 2, until the end of 3 and first steel plate group 1 of chock
The chock 3 that be connected with spring so that spring to be compressed to make is contacted to be moved in accommodating hole, chock 3 with the first steel plate group 1 slide up to by
It being popped up in the chock mounting hole 6 of second steel plate group 2, the first steel plate group 1, which is fixed, no longer to be slided, described in the first steel plate group 1
Fixing axle 14 is slided with the first steel plate group 1, and in sliding process, " L " the shape steel arm 11 being connected thereto gradually deforms, and draws
It plays another " L " shape steel arm 11 connected to it gradually to deform, is somebody's turn to do " L " shape steel arm 11 and deforms that lifting arm 12 is driven to be lifted up,
Lifting arm 12 drives steel column 13 connected to it to be lifted up, and connects divided spring；
Lifting arm 12 is parallel to the side of outer sleeve 8 and inner cylinder 9, and steel column 13 is vertical grafting, and lifting arm 12 is lifted up
When, steel column 13 is driven to depart from the limit hole on inner cylinder 9, and by the limit hole of outer sleeve 8 be limited in inner cylinder 9 and outer sleeve 8 it
Between.
Chock 3 is squeezed, makes it by bouncing back in chock mounting hole 6, the first steel plate group 1 is outside along 2 inner wall of the second steel plate group
It draws and slides, the fixing axle 14 in the first steel plate group 1 slides in and out with the first steel plate group 1, and in sliding process, is connected thereto
" L " shape steel arm 11 gradually deforms, and another " L " shape steel arm 11 connected to it is caused gradually to deform, and is somebody's turn to do " L " shape steel arm 11 and deforms
To drive 12 falls downward of lifting arm, lifting arm 12 drives 13 falls downward of steel column connected to it, until steel column 13 is by spring
10 recess spring 10 will demarcate made of memorial alloy.
In a specific embodiment, the purpose of the disclosure is to mitigate the influence that vibrations are brought to structure, in building
Non-weight bearing area adds damper, using the characteristic passively to consume energy, achievees the purpose that energy-dissipating and shock-absorbing, mitigates structural damage.Skill
Art scheme is realized in：A kind of grading damper adds in SMA springs and the metal arm of force so that the device in construction
When small deformation is acted on using friction energy-dissipating, consumed energy when large deformation acts on using spring.Such as Fig. 1 institutes when device is acted on without external force
Show, if Fig. 4 shows that the vibration of structure small deformation only has C-D sections of friction energy-dissipatings, section A-B does not work.Structure large deformation as shown in Figure 2 is shaken
Dynamic to drive the steel plate (the first steel plate group) with triangular-shaped wedge mobile, triangular-shaped wedge can move under telescopic spring effect
Dynamic, the steel plate with triangular-shaped wedge is slided along another steel plate (the second steel plate group) inner wall, until chock enters another steel plate
When in chock mounting hole, spring-return is original state, and chock is stuck at mounting hole.This disclosure relates to four steel arms, two steel arms
Intersect and crosspoint is connected to by connecting shaft (i.e. corresponding to " L " shape steel arm described in a upper embodiment, crosspoint is that axis connects
End), connecting shaft is fixed on the steel plate with triangular-shaped wedge, and another two steel arm also intersects and is connected to crosspoint by connecting shaft, even
Spindle axis is connected on another steel plate, and the free end of the two groups of intersection steel arms axis that intersects connects to form diamond shape steel arm；
Wherein, this group that connecting shaft axis is connected on another steel plate intersects steel arm, and in intersection, two steel arms extend, and
Extending end connecting cross arm, transverse arm connection steel cylinder.Steel plate with triangular-shaped wedge drives the movement of diamond shape steel arm, while diamond shape steel
Arm movement drives the body arm of strip cylinder to be rotated around bolt, and steel cylinder can be pulled out, section A-B start-up operation spring-return power meeting
It is made to be moved in perforated sleeve, using the restoring force dissipation energy of spring, and the steel plate with triangular-shaped wedge can after shake
Pressing down triangular-shaped wedge taking human as ground makes its reset, can draw the steel plate at this time and be returned to original position.Fig. 3 shows with holes
Inner and outer sleeves be cylindrical shape cylinder, spring is placed directly in cylinder, spring is made to be moved just in cylinder, spring
Segmentation is placed as shown in Figure 1, its shiny surface of steel cylinder is conducive to it and is preferably pulled out, and the depth being inserted into cylinder is appropriate,
So that small vibration is unlikely to be pulled out when acting on.The effect of the disclosure is can to mitigate the influence that vibrations are brought, and device letter
It is single it is easy to operate can be connected by way of assembling, convenient disassembly and facilitate the reparation after shake and daily maintenance,
Field of civil engineering is can be widely applied to, huge economic benefit and social benefit can be brought.
The above is only the preferable specific embodiment of the invention, but the protection domain of the invention is not
This is confined to, in the technical scope that any one skilled in the art discloses in the invention, according to the present invention
The technical solution of creation and its inventive concept are subject to equivalent substitution or change, should all cover the invention protection domain it
It is interior.
Claims (1)
1. a kind of grading damper with memory alloy spring, which is characterized in that including slide damper, spring damper and
To slide the connector that be connected with spring damper of damper, the spring in the spring damper be memorial alloy preparation and
Into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711358208.0A CN108049516B (en) | 2017-05-17 | 2017-05-17 | Grading shock absorber with memory alloy spring |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711358208.0A CN108049516B (en) | 2017-05-17 | 2017-05-17 | Grading shock absorber with memory alloy spring |
| CN201710348989.9A CN107419814B (en) | 2017-05-17 | 2017-05-17 | Grading damper |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710348989.9A Division CN107419814B (en) | 2017-05-17 | 2017-05-17 | Grading damper |
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| Publication Number | Publication Date |
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| CN108049516A true CN108049516A (en) | 2018-05-18 |
| CN108049516B CN108049516B (en) | 2020-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811215973.1A Active CN108999308B (en) | 2017-05-17 | 2017-05-17 | Sliding shock absorber of grading shock absorber |
| CN201811216048.0A Active CN108999309B (en) | 2017-05-17 | 2017-05-17 | Connecting piece of grading shock absorber |
| CN201811215288.9A Active CN109208775B (en) | 2017-05-17 | 2017-05-17 | Spring damper of grading damper |
| CN201711358208.0A Active CN108049516B (en) | 2017-05-17 | 2017-05-17 | Grading shock absorber with memory alloy spring |
| CN201710348989.9A Active CN107419814B (en) | 2017-05-17 | 2017-05-17 | Grading damper |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811215973.1A Active CN108999308B (en) | 2017-05-17 | 2017-05-17 | Sliding shock absorber of grading shock absorber |
| CN201811216048.0A Active CN108999309B (en) | 2017-05-17 | 2017-05-17 | Connecting piece of grading shock absorber |
| CN201811215288.9A Active CN109208775B (en) | 2017-05-17 | 2017-05-17 | Spring damper of grading damper |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710348989.9A Active CN107419814B (en) | 2017-05-17 | 2017-05-17 | Grading damper |
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| CN109457829A (en) * | 2018-11-21 | 2019-03-12 | 大连大学 | Combined isolation support |
| CN109518817A (en) * | 2018-11-21 | 2019-03-26 | 大连大学 | The spring damper of combined isolation support |
| CN113123479A (en) * | 2021-03-09 | 2021-07-16 | 河北工业大学 | Friction unit and self-resetting type three-series friction energy dissipation supporting structure |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107419814A (en) | 2017-12-01 |
| CN108999308B (en) | 2021-01-26 |
| CN108999309B (en) | 2020-05-19 |
| CN107419814B (en) | 2019-11-15 |
| CN108999308A (en) | 2018-12-14 |
| CN109208775A (en) | 2019-01-15 |
| CN109208775B (en) | 2020-05-19 |
| CN108049516B (en) | 2020-12-08 |
| CN108999309A (en) | 2018-12-14 |
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