CN107882200A - Friction energy-dissipating damper with function of displacement amplification - Google Patents
Friction energy-dissipating damper with function of displacement amplification Download PDFInfo
- Publication number
- CN107882200A CN107882200A CN201711365489.2A CN201711365489A CN107882200A CN 107882200 A CN107882200 A CN 107882200A CN 201711365489 A CN201711365489 A CN 201711365489A CN 107882200 A CN107882200 A CN 107882200A
- Authority
- CN
- China
- Prior art keywords
- guide rod
- diagonal
- quadrangle
- helical pitch
- friction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000006073 displacement reaction Methods 0.000 title claims abstract description 23
- 230000003321 amplification Effects 0.000 title claims abstract description 9
- 238000003199 nucleic acid amplification method Methods 0.000 title claims abstract description 9
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 238000013016 damping Methods 0.000 abstract description 8
- 241000145637 Lepturus Species 0.000 abstract description 3
- 241001494479 Pecora Species 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Vibration Dampers (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The present invention is applied to cushion technique field, there is provided a kind of friction energy-dissipating damper with function of displacement amplification, including：The identical connecting rod of four length, four be hinged quadrangularlies of connecting rod head and the tail；Quadrangle two it is diagonal on set guiding mechanism, including：Guide rod a and guide rod b, guide rod a one end perforate, guide rod b one end coordinate with guide rod a opening gaps, and guide rod a and the guide rod b other ends are diagonally be hinged with the two of quadrangle respectively；Quadrangle two other it is diagonal on set friction energy-dissipating component, including：U-shaped helical pitch groove；Connecting rod, one end are fixed with U-shaped helical pitch groove away from open at one end, friction plate, located at the U-shaped madial wall of helical pitch groove two；Sliding block, one end are interference fitted with the friction plate positioned at the U-shaped madial wall of helical pitch groove two, and sliding block and the connecting rod other end are diagonal be hinged with two other of quadrangle respectively.The damper consumes more energy under the conditions of structure occurs compared with thin tail sheep, obtains more preferable damping effect.
Description
Technical field
The invention belongs to damping anti-seismic technology field, there is provided a kind of friction energy-dissipating damper with enlarging function.
Background technology
The largely effective means that energy dissipative device is structural damping antidetonation, its operation principle are installed in building structure
It is that some specific position installation energy dissipative devices are selected in structure, in structure two is utilized under earthquake or high wind load action
Caused relative displacement between point, energy caused by driving energy dissipative device consumption s tructure vibrations, reach damping and absorbing
Purpose, building structure can be effectively protected, reduce building and destroyed caused by earthquake or high wind effect, improve making for building structure
Use security.
For friction energy-dissipating damper, its energy consumed and the displacement occurred during damper work
Closely related, the energy of the bigger damper consumption of displacement is more, though existing PALL types friction energy-dissipating damper is when in use
So it is connected with 4 corner points of framework, obtains the relative displacement between two angle steel joints of structure, but building structure is in normal work
Relative displacement when making between two angle steel joints is typically small, thus small, the damping effect of friction-type energy dissipative device power consumption before destruction
It is not very good.
The content of the invention
The embodiment of the present invention provides a kind of friction energy-dissipating damper with enlarging function, it is intended to by 2 points in building structure
Small displacement carries out displacement equations, then is delivered to the position of friction energy-dissipating, increases the consumption of energy, improves damping effect.
The present invention is achieved in that a kind of friction energy-dissipating damper with function of displacement amplification, the damper bag
Include：
The identical connecting rod of four length, four be hinged quadrangularlies of connecting rod head and the tail；
Quadrangle two it is diagonal on be provided with guiding mechanism, guiding mechanism includes：Guide rod a and guide rod b, guide rod a
One end perforate, guide rod b one end and guide rod a opening gaps coordinate, guide rod a and guide rod b other end difference
It is diagonally be hinged with the two of quadrangle；
Quadrangle two other it is diagonal on be provided with friction energy-dissipating component, friction energy-dissipating component includes：U-shaped helical pitch groove,
Connecting rod, one end are fixed with the U-shaped one end of helical pitch groove away from opening, the other end and quadrangle two other it is diagonal in one
It is diagonal be hinged；Friction plate, located at the U-shaped madial wall of helical pitch groove two；Sliding block, one end and the friction positioned at the U-shaped madial wall of helical pitch groove two
Piece is interference fitted, the other end and quadrangle two other it is diagonal in another is diagonal be hinged.
Further, the friction mechanism is provided with：Two groups of pre-pressing structures, pre-pressing structure include：
Pretension bolt on the U-shaped madial wall of helical pitch groove two, pretension bolt are located on sliding block；
And the pad and nut of pretension bolt are sheathed on successively.
Further, screw is provided with close to the diagonal one end of quadrangle in guide rod a and guide rod b, screw is respectively positioned on four
The outside of side shape.
The friction energy-dissipating damper that the embodiment of the present invention proposes consumes more energy under the conditions of structure occurs compared with thin tail sheep
Amount, obtains more preferable damping effect.
Brief description of the drawings
Fig. 1 is the structural representation of the friction damper provided in an embodiment of the present invention with function of displacement amplification；
Fig. 2 is sectional view of the friction damper provided in an embodiment of the present invention along B-B；
Fig. 3 is sectional view of the friction damper provided in an embodiment of the present invention along C-C；
Fig. 4 is the schematic diagram of energy dissipative device operation principle provided in an embodiment of the present invention；
Fig. 5 is the relation schematic diagram of damper rod member angle provided in an embodiment of the present invention and displacement equations multiple；
The relative displacement and stress graph of a relation that Fig. 6 is 2 points of CD provided in an embodiment of the present invention；
Fig. 7 is the lag loop figure of the energy-dissipating and shock-absorbing provided in an embodiment of the present invention represented with 2 displacements of AB；
1. connecting rod a, 2. connecting rod b, 3. connecting rod c, 4. connecting rod d, 5. guide rod a, 6. guide rod b, 7. bearing pins, 8. pad a, 9.
Nut a, 10. connecting rods, 11. pretension bolts, 12. pad b, 13. nut b, 14.U type helical pitch grooves, 15. friction plates, 16. sliding blocks,
17. screw.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Fig. 1 be it is provided in an embodiment of the present invention tool function of displacement amplification friction energy-dissipating damper structural representation, Fig. 2
For sectional view of the friction damper provided in an embodiment of the present invention along B-B, Fig. 3 is friction damper provided in an embodiment of the present invention
Along C-C sectional view, for convenience of description, the part related to the embodiment of the present invention is only shown.
Understand that the damper includes with reference to Fig. 1, Fig. 2 and Fig. 3：
The identical connecting rod of four length, four be hinged quadrangularlies of connecting rod head and the tail, four connecting rods are followed successively by connecting rod a1, connecting rod
B2, connecting rod c3 and connecting rod d4, connecting rod a1 both ends are hinged with connecting rod b2 one end and connecting rod d4 one end respectively, and the two of connecting rod c3
End is hinged with the connecting rod b2 other end and the connecting rod d4 other end respectively；
Quadrangle two it is diagonal on be provided with guiding mechanism, guiding mechanism includes：Guide rod a5 and guide rod b6, guide rod
A5 one end perforate, guide rod b6 one end and guide rod a5 opening gaps cooperation, guide rod a5 and guide rod b6's is another
End is diagonally be hinged with the two of quadrangle respectively, and guide rod a5 and guide rod b6 cooperation forms guiding pair, plays guide effect；
Quadrangle two other it is diagonal on be provided with friction energy-dissipating component, the friction energy-dissipating component includes：
U-shaped helical pitch groove 14,
Connecting rod 10, one end are fixed with the U-shaped one end of helical pitch groove 14 away from opening, the other end and quadrangle two other
One in diagonal is diagonal be hinged；
Friction plate 15, located at U-shaped 14 liang of madial walls of helical pitch groove；
Sliding block 16, one end and the friction plate interference fit positioned at U-shaped 14 liang of madial walls of helical pitch groove, the other end and quadrangle
Another during two other is diagonal is diagonal be hinged.
In embodiments of the present invention, the friction energy-dissipating component is additionally provided with：Two groups of pre-pressing structures, the pre-pressing structure include：
Pretension bolt 11 on the U-shaped two side of helical pitch groove 14, pretension bolt 11 are located on sliding block 16；
And the pad b12 and nut b13 of pretension bolt 11 are sheathed on successively；
Nut b13 is screwed in into pretension bolt 11, with the frictional force between adjusting slider 16 and friction plate 15, to control damper
Power consumption.
In embodiments of the present invention, screw 17, screw 17 are provided with close to diagonal one end in guide rod a5 and guide rod b6
The outside of parallelogram is respectively positioned on, whole friction energy-dissipating damper is fixed on by building by the cooperation of bolt and screw 17
Thing, and when ensure that the left and right output link work of damper all the time on the same line.
Be hinged in the embodiment of the present invention is each meant by latch 7 and pad a8 and nut a9 cooperation to realize.
The energy dissipative device operation principle schematic diagram of the embodiment of the present invention is as shown in figure 4,4 connection-rods length are identical
L, first place is be hinged to form parallelogram, can be obtained by geometrical relationship analysis：2 points of AB relative displacement ΔABIt is relative with 2 points of CD's
DisplacementCDBetween relation：
ΔCD=ΔABctanα (1)
According to the principle of virtual work, the relation between its active force is：
FCD=FABtanα (2)
Wherein, the half of α angles between CB and DB bars.
Relation is such as between can obtaining angle half and displacement equations multiple between damper rod member CB and DB by formula (1)
Shown in Fig. 5, when α≤0.1974rad is α≤11.31 °, shock absorber travel multiplication factor is more than 5 times.
If met with relation between 2 points of CD relative displacement and stress as shown in fig. 6, taking the long l=1000mm of BC bars
Under conditions of shock absorber travel multiplication factor is more than 5 times, then the energy dissipative device calculated using formula (1) and (2) is sluggish
Loop line is as shown in Figure 7；
The friction energy-dissipating damper that the embodiment of the present invention proposes consumes more energy under the conditions of structure occurs compared with thin tail sheep
Amount, obtains more preferable damping effect.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (3)
1. a kind of friction energy-dissipating damper with function of displacement amplification, it is characterised in that the damper includes：
The identical connecting rod of four length, four be hinged quadrangularlies of connecting rod head and the tail；
Quadrangle two it is diagonal on be provided with guiding mechanism, guiding mechanism includes：Guide rod a and guide rod b, the one of guide rod a
Perforate is held, guide rod b one end and guide rod a opening gaps coordinate, and the guide rod a and guide rod b other end is respectively with four
The two of side shape are diagonal be hinged；
Quadrangle two other it is diagonal on be provided with friction energy-dissipating component, friction energy-dissipating component includes：
U-shaped helical pitch groove；
Connecting rod, one end are fixed with the U-shaped one end of helical pitch groove away from opening, the other end and quadrangle two other it is diagonal in
One diagonal be hinged；
Friction plate, located at the U-shaped madial wall of helical pitch groove two；
Sliding block, one end are interference fitted with the friction plate positioned at the U-shaped madial wall of helical pitch groove two, the other end and quadrangle two other
Another in diagonal is diagonal be hinged.
2. there is the friction energy-dissipating damper of function of displacement amplification as claimed in claim 1, it is characterised in that the friction consumption
Energy component is provided with：Two groups of pre-pressing structures, pre-pressing structure include：
Pretension bolt on U-shaped helical pitch groove two side, pretension bolt are located on sliding block；
And the pad b and nut b of pretension bolt are sheathed on successively.
3. there is the friction energy-dissipating damper of function of displacement amplification as claimed in claim 1 or 2, it is characterised in that be oriented to
Bar a and guide rod b is provided with screw close to the diagonal one end of quadrangle, and screw is respectively positioned on the outside of quadrangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711365489.2A CN107882200A (en) | 2017-12-18 | 2017-12-18 | Friction energy-dissipating damper with function of displacement amplification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711365489.2A CN107882200A (en) | 2017-12-18 | 2017-12-18 | Friction energy-dissipating damper with function of displacement amplification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107882200A true CN107882200A (en) | 2018-04-06 |
Family
ID=61771888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711365489.2A Pending CN107882200A (en) | 2017-12-18 | 2017-12-18 | Friction energy-dissipating damper with function of displacement amplification |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107882200A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109811641A (en) * | 2019-02-20 | 2019-05-28 | 广州大学 | A kind of buffer limit type spin friction mass damper |
| CN113374112A (en) * | 2020-07-20 | 2021-09-10 | 长江师范学院 | Anti-collision device for anti-seismic joints of buildings |
| CN114718205A (en) * | 2022-03-14 | 2022-07-08 | 大连交通大学 | Self-resetting support with amplification energy consumption mechanism |
| CN115059196A (en) * | 2022-06-14 | 2022-09-16 | 中国建筑第八工程局有限公司 | Green low-carbon energy consumption device applied to building deformation joint |
| CN117052007A (en) * | 2023-09-12 | 2023-11-14 | 北京交通大学 | Linear damper and rectangular damper with same |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2778921Y (en) * | 2005-03-18 | 2006-05-10 | 清华大学 | Mechanism type damping synergy device |
| CN201713961U (en) * | 2010-04-02 | 2011-01-19 | 陈云 | Novel friction damping wall |
| CN105178468A (en) * | 2015-10-19 | 2015-12-23 | 同济大学建筑设计研究院(集团)有限公司 | Scissor-type deformation amplifying device for amplifying energy consumption effect of damper |
| CN105201097A (en) * | 2015-10-25 | 2015-12-30 | 贵州大学 | Novel friction energy consumption damper |
| CN205226197U (en) * | 2015-12-21 | 2016-05-11 | 武汉理工大学 | Novel cambered surface friction damper |
| CN106088386A (en) * | 2016-08-17 | 2016-11-09 | 西安建筑科技大学 | A kind of efficiently bridging damper arrangement mechanism |
| CN106320561A (en) * | 2016-11-15 | 2017-01-11 | 沈阳建筑大学 | Quadrilateral pivoting friction damper |
| WO2017090824A1 (en) * | 2015-11-27 | 2017-06-01 | 인천대학교 산학협력단 | Energy dissipation-type elastomer friction damper |
| CN207829201U (en) * | 2017-12-18 | 2018-09-07 | 安徽工程大学 | A kind of friction energy-dissipating damper with function of displacement amplification |
-
2017
- 2017-12-18 CN CN201711365489.2A patent/CN107882200A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2778921Y (en) * | 2005-03-18 | 2006-05-10 | 清华大学 | Mechanism type damping synergy device |
| CN201713961U (en) * | 2010-04-02 | 2011-01-19 | 陈云 | Novel friction damping wall |
| CN105178468A (en) * | 2015-10-19 | 2015-12-23 | 同济大学建筑设计研究院(集团)有限公司 | Scissor-type deformation amplifying device for amplifying energy consumption effect of damper |
| CN105201097A (en) * | 2015-10-25 | 2015-12-30 | 贵州大学 | Novel friction energy consumption damper |
| WO2017090824A1 (en) * | 2015-11-27 | 2017-06-01 | 인천대학교 산학협력단 | Energy dissipation-type elastomer friction damper |
| CN205226197U (en) * | 2015-12-21 | 2016-05-11 | 武汉理工大学 | Novel cambered surface friction damper |
| CN106088386A (en) * | 2016-08-17 | 2016-11-09 | 西安建筑科技大学 | A kind of efficiently bridging damper arrangement mechanism |
| CN106320561A (en) * | 2016-11-15 | 2017-01-11 | 沈阳建筑大学 | Quadrilateral pivoting friction damper |
| CN207829201U (en) * | 2017-12-18 | 2018-09-07 | 安徽工程大学 | A kind of friction energy-dissipating damper with function of displacement amplification |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109811641A (en) * | 2019-02-20 | 2019-05-28 | 广州大学 | A kind of buffer limit type spin friction mass damper |
| CN113374112A (en) * | 2020-07-20 | 2021-09-10 | 长江师范学院 | Anti-collision device for anti-seismic joints of buildings |
| CN113374112B (en) * | 2020-07-20 | 2022-08-12 | 长江师范学院 | Anti-collision device for anti-seismic joints of buildings |
| CN114718205A (en) * | 2022-03-14 | 2022-07-08 | 大连交通大学 | Self-resetting support with amplification energy consumption mechanism |
| CN115059196A (en) * | 2022-06-14 | 2022-09-16 | 中国建筑第八工程局有限公司 | Green low-carbon energy consumption device applied to building deformation joint |
| CN115059196B (en) * | 2022-06-14 | 2024-06-11 | 中国建筑第八工程局有限公司 | Be applied to green low carbon power consumption device in building movement joint |
| CN117052007A (en) * | 2023-09-12 | 2023-11-14 | 北京交通大学 | Linear damper and rectangular damper with same |
| CN117052007B (en) * | 2023-09-12 | 2024-04-09 | 北京交通大学 | Linear damper and rectangular damper with same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107882200A (en) | Friction energy-dissipating damper with function of displacement amplification | |
| Mahmoudi et al. | Determination the response modification factors of buckling restrained braced frames | |
| WO2017129078A1 (en) | Seismic isolation elastic restoring mechanism with pre-set starting load and starting control seismic isolation device | |
| CN102287016B (en) | Pendulum type friction wall | |
| CN101787752B (en) | Shearing-extruding composite lead damper | |
| CN206512877U (en) | A kind of damper of fabricated construction | |
| CN207829201U (en) | A kind of friction energy-dissipating damper with function of displacement amplification | |
| Wang et al. | A vertical‐vibro‐impact‐enhanced track bistable nonlinear energy sink for robust and comprehensive control of structures | |
| CN206408780U (en) | The viscous damping wall of damping-force adjustable | |
| CN106320560A (en) | Damper with assembled structure | |
| CN113849891A (en) | Energy dissipation and shock absorption structure design method based on time course analysis | |
| CN106836549A (en) | A kind of slip filling wall with frcition damper | |
| CN107700693A (en) | A kind of damper system with stroke amplification | |
| CN205444463U (en) | Damping wall based on steel structure beam and column mosaic structure | |
| CN110820979A (en) | Novel friction-viscous damping wall | |
| Li et al. | Experimental study and application of metallic yielding–friction damper | |
| CN207268032U (en) | A kind of new type of passive formula buffering stop block | |
| Li et al. | Experimental study and application in steel structure of ‘dual functions’ metallic damper | |
| Ribakov | Using viscous and variable friction dampers for improving structural seismic response | |
| CN104196145A (en) | Energy-dissipation and shock-absorption damper component of earthquake-resistant building | |
| CN105002996A (en) | Serially connected viscosity mass damping device | |
| CN217783055U (en) | Anti-buckling friction damper | |
| CN105040852A (en) | Prestress viscoelastic damper | |
| Vatanshenas et al. | The effect of seismic isolation on the response of bridges | |
| CN204781413U (en) | Viscid quality damping device establishes ties |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180406 |
|
| RJ01 | Rejection of invention patent application after publication |