CN208184350U - A kind of band SMA Self-resetting cambered surface friction-changing dampers - Google Patents
A kind of band SMA Self-resetting cambered surface friction-changing dampers Download PDFInfo
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- CN208184350U CN208184350U CN201820684183.7U CN201820684183U CN208184350U CN 208184350 U CN208184350 U CN 208184350U CN 201820684183 U CN201820684183 U CN 201820684183U CN 208184350 U CN208184350 U CN 208184350U
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- sma
- friction
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- wall
- plate
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Abstract
The utility model discloses a kind of band SMA Self-resetting cambered surface friction-changing dampers, mass block is located in friction cabinet, and upper surface, lower surface and the inner wall of friction cabinet of mass block fit, mass block front surface and rear surface are bonded with friction cabinet wall part, left side fixed plate is fixed on the left side of friction cabinet, right side fixed plate is fixed on the right side of friction cabinet, wherein, each SMA one end is connected with the left side of mass block in first group SMA, and each SMA of other end is connected with the inner wall of friction cabinet left end in first group SMA；Each SMA one end is connected with the right side of mass block in second group SMA, each SMA of other end is connected with the inner wall of friction cabinet right end in second group SMA, the end of connecting rod, which passes through after left side fixed plate is inserted in friction cabinet, to be fixed on the left side of mass block, otic placode is fixed in the fixed plate of right side, the damper can adapt to the earthquake of different intensity grades, and can automatically restore to after being deformed as former state.
Description
Technical field
The utility model belongs to energy-consuming shock absorber technical field, is related to a kind of band SMA Self-resetting cambered surfaces change friction
Damper.
Background technique
In recent decades, earthquake occurs again and again, is also increasingly stringenter to Antiseismic building performance requirement.Traditional architecture passes through
The plastic deformation of structure destroys structure itself come the seismic energy that dissipates.If the consumption of non-structural element is arranged in the structure
Energy original part can mitigate the dynamic response of structure by the dissipative cell energy that passively reciprocal relative deformation dissipative structure vibrates,
Reduce the deformation of structure.Frcition damper is that the commonly used energy-consumption shock-absorption device in engineering, friction common at present hinder at present
Buddhist nun's device mainly has: conventional friction damper, pall frcition damper, sumitomo frcition damper.Conventional friction damper
Frictional force cannot change, and can not adapt to the earthquake of different intensity grades, and biggish residual deformation is had after being deformed, it is difficult to
Restore as former state, these conditions limit the effectiveness in vibration suppression and use of conventional friction damper.
Utility model content
The shortcomings that the purpose of the utility model is to overcome the above-mentioned prior arts provides a kind of band SMA Self-resettings
Cambered surface friction-changing damper, the damper can adapt to the earthquake of different intensity grades, and can be automatic extensive after being deformed
It is multiple to arrive as former state.
In order to achieve the above objectives, band SMA described in the utility model Self-resetting cambered surface friction-changing dampers include rubbing
Wipe cabinet, mass block, first group SMA, second group SMA and connecting rod；
Mass block is located in friction cabinet, and the upper surface of mass block, lower surface and the inner wall of friction cabinet fit, matter
Gauge block front surface and rear surface are bonded with friction cabinet wall part, and left side fixed plate is fixed on the left side for the cabinet that rubs,
Rub cabinet right side on be fixed with right side fixed plate, wherein each SMA one end and mass block in first group SMA
Left side is connected, and each SMA of other end is connected with the inner wall of friction cabinet left end in first group SMA；Second group of SMA
Each SMA one end is connected with the right side of mass block in silk, each SMA of other end and friction case in second group SMA
The inner wall of body right end is connected, and the end of connecting rod, which passes through after left side fixed plate is inserted in friction cabinet, is fixed on mass block
On left side, otic placode is fixed in the fixed plate of right side；
By centre to both sides, the degree of roughness for the cabinet wall that rubs is gradually increased.
Cabinet rub by upper cambered surface friction plate, lower camber side friction plate, trailing flank friction plate, leading flank friction plate, left-hand end
Plate and right-hand end board group at, wherein the upper surface of mass block and the inner wall of upper cambered surface friction plate fit；The lower surface of mass block
It fits with the inner wall of lower camber side friction plate；The front surface of mass block is bonded with the inner wall section of leading flank friction plate；Mass block
Rear surface be bonded with the inner wall section of trailing flank friction plate.
Otic placode is fixed on the center position of right side fixed plate.
Mass block is made of sliding block and the rubber spring being adhered in shoe surface, wherein rubber spring and friction cabinet
Inner wall fit.
Left side fixed plate is fixed on by several first adjusting bolts across the left side of left side fixed plate and the cabinet that rubs rubs
It wipes on cabinet；Second adjusting bolt passes through right side fixed plate and right side fixed plate is fixed on friction case by the right side for the cabinet that rubs
On body.
Each SMA of left end is fixed on the first adjusting bolt in first group SMA；Each SMA in second group SMA
Right end is fixed on the second adjusting bolt, and SMA numbers are SMA in four, second group SMA in first group SMA
Number be four SMA in four, first group SMA four angles for being individually fixed in sliding block left side position；Second
Organize four SMA in the SMA positions for being individually fixed in four angles of sliding block right side.
The middle position of left side fixed plate is provided with the hole for passing through for connecting rod, wherein the diameter ratio of hole
The big 1-2mm of the diameter of connecting rod.
Rubber spring is variable section structure, and the adhesive surface of sliding block and rubber spring is male and fomale(M&F) structure；
The inner wall of upper cambered surface friction plate, the inner wall of lower camber side friction plate, the inner wall of leading flank friction plate and trailing flank friction
The inner wall of plate is divided into several friction areas, and is sequentially increased from centre to the degree of roughness of each friction area in both sides.
The end of connecting rod is connected with the center of mass block left side.
Under original state, the curvature phase on rubber spring surface and upper cambered surface friction plate inner wall and lower camber side friction plate inner wall
Together.
The utility model has the following beneficial effects:
Band SMA described in the utility model Self-resetting cambered surface friction-changing dampers are when specific operation, by connecting rod
And otic placode is connected with external structure, when by geological process, connecting rod stress, connecting rod drives mass block mobile, when outer
When boundary's active force is greater than the stiction between mass block and friction plate, mass block is slided, between mass block and friction plate
Generate force of sliding friction, to consume part energy, since SMA with super-elasticity, no matter mass block be moved to the left or to
Moving right has one group of SMA tension, can consume another part energy, due to being austenite under SMA room temperature, when generating pulling force
Cause phase transformation, show phase transformation pseudo-elastic effects, after geological process, generates reverse transformation immediately, restore to original sample, thus band
Kinoplaszm gauge block returns back to initial position, so that the utility model can automatically restore to as former state after being deformed.In addition, by
Both sides are arrived in centre, and the degree of roughness for the cabinet wall that rubs is gradually increased, with the increase that mass block is displaced, mass block and friction case
Frictional force between internal wall is gradually increased, and to adapt to the earthquake of different intensity grades, simple structure is cheap, is had wide
Wealthy application prospect.
Detailed description of the invention
Fig. 1 is the main view of utility model；
Fig. 2 is the structural schematic diagram of the utility model；
Fig. 3 is the left view of the utility model；
Fig. 4 is the right view of the utility model；
Fig. 5 is the sectional view in the direction A-A in Fig. 1；
Fig. 6 is the sectional view in the direction B-B in Fig. 1；
Fig. 7 is the detail view of the friction 456 inner wall striped of cabinet in the utility model.
Wherein, 1 it is connecting rod, 21 be left side fixed plate, 22 be right side fixed plate, 31 be the first adjusting bolt, 32 is the
Two adjusting bolts, 41 be left side end plate, 42 be on the right side of end plate, 51 be upper cambered surface friction plate, 52 be lower camber side friction plate, 61 be before
Side friction plate, 62 be trailing flank friction plate, 456 be friction cabinet, 7 be SMA, 8 be sliding block, 9 be rubber spring, 10 be ear
Plate.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing:
Referring to Figure 1 and Figure 2, band SMA described in the utility model Self-resetting cambered surface friction-changing dampers include friction
Cabinet 456, mass block, first group of SMA silk, 7, second groups of SMA silks 7 and connecting rod 1；Mass block is located in friction cabinet 456, and
The inner wall of the upper surface of mass block, lower surface and the cabinet 456 that rubs fits, mass block front surface and rear surface and friction cabinet
456 inner wall sections are bonded, and left side fixed plate 21 is fixed on the left side for the cabinet 456 that rubs, is rubbed on the right side of cabinet 456
It is fixed with right side fixed plate 22, wherein one end of each SMA silk 7 is connected with the left side of mass block in first group of SMA silk 7, the
The other end of each SMA silk 7 is connected with the inner wall of friction 456 left end of cabinet in one group of SMA silk 7；Each SMA in second group of SMA silk 7
One end of silk 7 is connected with the right side of mass block, and the other end of each SMA silk 7 and friction cabinet 456 are right in second group of SMA silk 7
The inner wall at end is connected, and the end of connecting rod 1, which passes through after left side fixed plate 21 is inserted in friction cabinet 456, is fixed on mass block
Left side on, otic placode 10 is fixed in right side fixed plate 22；By intermediate to both sides, the degree of roughness for 456 inner wall of cabinet that rubs
It is gradually increased, wherein otic placode 10 is fixed on the center position of right side fixed plate 22.Under original state, 9 surface of rubber spring with
The curvature of upper 51 inner wall of cambered surface friction plate and 52 inner wall of lower camber side friction plate is identical；The end and mass block left side of connecting rod 1
Center be connected.
Cabinet 456 rub by upper cambered surface friction plate 51, lower camber side friction plate 52, trailing flank friction plate 62, leading flank friction
Plate 61, left side end plate 41 and right side end plate 42 form, wherein the upper surface of mass block and the inner wall of upper cambered surface friction plate 51 are affixed
It closes；The lower surface of mass block and the inner wall of lower camber side friction plate 52 fit；The front surface and leading flank friction plate 61 of mass block
Inner wall section fitting；The rear surface of mass block is bonded with the inner wall section of trailing flank friction plate 62.
Mass block is made of sliding block 8 and the rubber spring 9 being adhered on 8 surface of sliding block, wherein rubber spring 9 and friction
The inner wall of cabinet 456 fits；Several first adjust bolt 31 will across the left side of left side fixed plate 21 and the cabinet 456 that rubs
Left side fixed plate 21 is fixed on friction cabinet 456；Second, which adjusts bolt 32, passes through right side fixed plate 22 and the cabinet 456 that rubs
Right side fixed plate 22 is fixed on friction cabinet 456 by right side.Wherein, the left end of each SMA silk 7 is fixed in first group of SMA silk 7
It is adjusted on bolt 31 in first；The right end of each SMA silk 7 is fixed on the second adjusting bolt 32 in second group of SMA silk 7, and first
The number of SMA silk 7 is four in group SMA silk 7, and the number of SMA silk 7 is four in second group of SMA silk 7, in first group of SMA silk 7
Four SMA silks 7 be individually fixed in 8 left side of sliding block four angles position；Four 7 points of SMA silks in second group of SMA silk 7
It is not fixed on the position at four angles of 8 right side of sliding block.
The middle position of left side fixed plate 21 is provided with the hole for passing through for connecting rod 1, wherein the diameter of hole
It is 1-2mm bigger than the diameter of connecting rod 1；Rubber spring 9 is variable section structure, and the adhesive surface of sliding block 8 and rubber spring 9 is male and fomale(M&F)
Structure；The inner wall of upper cambered surface friction plate 51, the inner wall of lower camber side friction plate 52, the inner wall of leading flank friction plate 61 and trailing flank are rubbed
The inner wall of wiping board 62 is divided into several friction areas, and is sequentially increased from centre to the degree of roughness of each friction area in both sides.
When in use, connecting rod 1 and otic placode 10 are connected in external structure, when bearing applied external force, mass block exists
It is moved in friction cabinet 456 under the action of connecting rod 1, wherein the displacement that mass block is occurred by 1 pulling force of connecting rod is bigger, then
Upper cambered surface friction plate 51 and lower camber side friction plate 52 can be to the pressure and frictional force that rubber spring 9 generates just in friction cabinet 456
It is bigger, to consume energy；The rubber spring 9 is variable cross-section body structure, protruding parts and leading flank friction plate 61 and trailing flank
Friction plate 62 comes into full contact with, to generate force of sliding friction.
The adhesive surface of sliding block 8 and rubber spring 9 is that male and fomale(M&F) structure is increased simultaneously with increasing the area bonded between the two
Big bite force, to improve the globality of the two, in addition, Nian Jie by industrial glue between rubber spring 9 and sliding block 8, globality
Preferably.
With reference to Fig. 5 and Fig. 7, in addition, it is necessary to which explanation, is successively increased from centre to the degree of roughness of each friction area in both sides
Greatly, with the increase that mass block is displaced, the frictional force of mass block and friction 456 inner wall of cabinet is gradually increased, to adapt to different shakes
The earthquake of grade, in practical operation, by changing the shape of striped on each friction area, to change the coarse journey of each friction area
Degree.
Due to being austenite under 7 room temperature of SMA silk, causes phase transformation when generating pulling force, phase transformation pseudo-elastic effects are shown, on ground
After shake effect, reverse transformation is generated immediately, is restored to original sample, so that mass block is driven to return back to initial position, so that this
Utility model can automatically restore to as former state after being deformed.
Claims (10)
1. a kind of band SMA Self-resetting cambered surface friction-changing dampers, which is characterized in that including cabinet (456), quality of rubbing
Block, first group SMA (7), second group SMA (7) and connecting rod (1)；
Mass block is located in friction cabinet (456), and the inner wall phase of the upper surface of mass block, lower surface and friction cabinet (456)
Fitting, mass block front surface and rear surface are bonded with friction cabinet (456) inner wall section, are rubbed on the left side of cabinet (456)
It is fixed with left side fixed plate (21), right side fixed plate (22) is fixed on the right side of friction cabinet (456), wherein first group
The one end of SMA each (7) is connected with the left side of mass block in SMA (7), in first group SMA (7) SMA each (7)
The other end is connected with the inner wall of friction cabinet (456) left end；The one end of SMA each (7) and quality in second group SMA (7)
The right side of block is connected, the inner wall of the other end of SMA each (7) and friction cabinet (456) right end in second group SMA (7)
It is connected, the end of connecting rod (1), which passes through after left side fixed plate (21) are inserted in friction cabinet (456), is fixed on mass block
On left side, otic placode (10) are fixed in right side fixed plate (22)；
It is gradually increased by the degree of roughness of centre to both sides, cabinet (456) inner wall that rubs.
2. band SMA according to claim 1 Self-resetting cambered surface friction-changing dampers, which is characterized in that friction cabinet
(456) by upper cambered surface friction plate (51), lower camber side friction plate (52), trailing flank friction plate (62), leading flank friction plate (61), a left side
Side end panel (41) and right side end plate (42) composition, wherein the upper surface of mass block and the inner wall of upper cambered surface friction plate (51) are affixed
It closes；The lower surface of mass block and the inner wall of lower camber side friction plate (52) fit；The front surface and leading flank friction plate of mass block
(61) inner wall section fitting；The rear surface of mass block is bonded with the inner wall section of trailing flank friction plate (62).
3. band SMA according to claim 1 Self-resetting cambered surface friction-changing dampers, which is characterized in that otic placode (10)
It is fixed on the center position of right side fixed plate (22).
4. band SMA according to claim 2 Self-resetting cambered surface friction-changing dampers, which is characterized in that mass block by
Sliding block (8) and the rubber spring (9) being adhered on sliding block (8) surface composition, wherein rubber spring (9) and friction cabinet (456)
Inner wall fit.
5. band SMA according to claim 4 Self-resetting cambered surface friction-changing dampers, which is characterized in that first is adjusted
Bolt (31) passes through left side fixed plate (21) and left side fixed plate (21) is fixed on friction case by the left side of friction cabinet (456)
On body (456)；Second, which adjusts bolt (32), fixes right side across the right side of right side fixed plate (22) and friction cabinet (456)
Plate (22) is fixed in friction cabinet (456).
6. band SMA according to claim 5 Self-resetting cambered surface friction-changing dampers, which is characterized in that first group of SMA
The left end of SMA each (7) is fixed on the first adjusting bolt (31) in silk (7)；In second group SMA (7) SMA each (7)
Right end is fixed on the second adjusting bolt (32), and the number of SMA (7) is four in first group SMA (7), second group of SMA
The number of SMA (7) is that four SMA (7) in four, first group SMA (7) are individually fixed in sliding block (8) left side in silk (7)
The position at four angles of side；Four SMA (7) in second group SMA (7) are individually fixed in the four of sliding block (8) right side
The position at a angle.
7. band SMA according to claim 1 Self-resetting cambered surface friction-changing dampers, which is characterized in that left side is fixed
The middle position of plate (21) is provided with the hole for passing through for connecting rod (1), wherein the diameter of hole is than connecting rod (1)
The big 1-2mm of diameter.
8. band SMA according to claim 4 Self-resetting cambered surface friction-changing dampers, which is characterized in that rubber spring
It (9) is variable section structure, the adhesive surface of sliding block (8) and rubber spring (9) is male and fomale(M&F) structure；
The inner wall of upper cambered surface friction plate (51), the inner wall of lower camber side friction plate (52), leading flank friction plate (61) inner wall and after
The inner wall of side friction plate (62) is divided into several friction areas, and from centre to the degree of roughness of each friction area in both sides according to
Secondary increase.
9. band SMA according to claim 1 Self-resetting cambered surface friction-changing dampers, which is characterized in that connecting rod (1)
End be connected with the center of mass block left side.
10. band SMA according to claim 4 Self-resetting cambered surface friction-changing dampers, which is characterized in that original state
Under, rubber spring (9) surface is identical as the curvature of upper cambered surface friction plate (51) inner wall and lower camber side friction plate (52) inner wall.
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| CN201820684183.7U CN208184350U (en) | 2018-05-09 | 2018-05-09 | A kind of band SMA Self-resetting cambered surface friction-changing dampers |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108397030A (en) * | 2018-05-09 | 2018-08-14 | 西安建筑科技大学 | A kind of band SMA Self-resetting cambered surface friction-changing dampers |
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2018
- 2018-05-09 CN CN201820684183.7U patent/CN208184350U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108397030A (en) * | 2018-05-09 | 2018-08-14 | 西安建筑科技大学 | A kind of band SMA Self-resetting cambered surface friction-changing dampers |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181204 Termination date: 20210509 |
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| CF01 | Termination of patent right due to non-payment of annual fee |