CN103266682B - Friction-lead composite damper - Google Patents
Friction-lead composite damper Download PDFInfo
- Publication number
- CN103266682B CN103266682B CN201310195557.0A CN201310195557A CN103266682B CN 103266682 B CN103266682 B CN 103266682B CN 201310195557 A CN201310195557 A CN 201310195557A CN 103266682 B CN103266682 B CN 103266682B
- Authority
- CN
- China
- Prior art keywords
- friction
- damper
- lead
- bar
- drive link
- 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.)
- Expired - Fee Related
Links
Landscapes
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Vibration Dampers (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention provides a friction-lead composite damper which comprises a lead shear damper and a friction amplification damper, the lead shear damper and the friction amplification damper are connected in series through a drive connecting rod, and therefore serial connection between the traditional lead shear damper and the friction amplification damper is achieved. After serial connection, end portion fixing plates are arranged on an outer box of the friction damper and the end portion of an outer plate of the lead shear damper, and therefore the novel friction-lead composite damper which has large stroke and a self-restoration characteristic is formed, wherein the novel friction-lead composite damper can protect the lead damper against shear damage under the condition of large deformation, the friction amplification damper can continue to carry out energy consumption, and an automatic restoration function after an earthquake can be achieved. The friction-lead composite damper solves the problems of large deformation, poor continuous energy consumption ability and poor restoration after the earthquake of the traditional lead shear damper.
Description
Technical field
The present invention relates to a kind of composite buffer, be specifically related to a kind of composite buffer realizing Self-resetting.
Background technology
In recent years, in world wide, earthquake took place frequently, and while people carry out seismic design to structure, also started the utilization focusing on energy-dissipating and shock-absorbing technology.Generally adopt the damper with energy dissipation capacity at non bearing structure position.During frequently occurred earthquake, structure itself has enough rigidity, is in elastic stage; During rarely occurred earthquake, along with malformation increases, damper enters the non-resilient stage prior to agent structure, and damping increases, energy-dissipating and shock-absorbing, thus the damage avoiding or reduce agent structure.Plumbous because of its hysteresis full, the feature of stable performance, its damper structure manufactured is simple, easy to process and be promoted and use.Develop various lead damper both at home and abroad, as lead shear damper, lead extrusion damper, twist mode lead shear damper etc. at present.With regard to the lead shear damper proposing and adopt at present, under rarely occurred earthquake effect, lead shear damper may be cut up owing to cannot bear excessive distortion, loses energy dissipation capacity, cannot reset and change difficulty after shake.Therefore, be necessary to be transformed existing lead shear damper, propose under a kind of rarely occurred earthquake effect when structure produces large deformation, lead shear damper is protected, and continues power consumption and have the NEW TYPE OF COMPOSITE damper of self-resetting capability.
Summary of the invention
In order to make up the defect of prior art; patent of the present invention provides a kind of Friction-lead composite damper with Long Distances and Self-resetting feature; can be consumed energy by traditional lead shear damper under design earthquake effect; simultaneously; under the large deformation effect of rarely occurred earthquake; protection lead shear damper is not cut up; amplify damper by friction and continue power consumption; and the Self-resetting function had after earthquake centre and shake; effectively can ensure the applicability of lead shear damper under uncertain large deformation macroseism and safety; strengthen architectural energy consumption ability, more have practical value.
In order to realize above-mentioned technical purpose, the technical scheme of patent of the present invention is, a kind of friction-lead composite buffer, comprises lead shear damper and damper is amplified in friction, and lead shear damper and friction are amplified between damper and be cascaded by drive link.
The present invention is also, the lead shear damper after series connection amplifies damper two ends with friction and is provided with end winding support plate plate end.
The present invention is also, end winding support plate plate end is also provided with end winding support plate hinged end, end winding support plate hinged end is provided with connecting bolt.
The present invention is also, friction is amplified damper and is comprised the outer box of frcition damper, arcuate friction groove is provided with in the outer box of frcition damper, bar rotation slot is amplified in friction, bar is amplified in drive link movement slots and friction, friction is amplified bar and is vertically set in drive link by sliding eye, friction is amplified bar both ends and is provided with arcuate friction block, arcuate friction block is connected in arcuate friction groove, drive link is connected in drive link movement slots by marmem back-moving spring, friction is amplified bar and is connected in friction amplification bar movement slots by fixed axis and the outer box bayonet socket of frcition damper.
The present invention is also, rubs to amplify bar and rub to amplify between bar rotation slot to be also provided with elastic filler.Elastic filler adopts rubber type of material (natural rubber, synthetic rubber) and plastic materials (polyethylene, polypropylene etc.).
The present invention is also, drive link is provided with two frictions and amplifies bar, is parallel to each other between two friction amplification bars.
The present invention is also, the outer box surrounding of frcition damper is provided with connecting bolt.
The present invention is also, lead shear damper comprises lead shear damper inner panel, drive link is connected on plumbous shearing damp inner panel, plumbous shearing damp inner panel is connected with lead shear damper outside plate, plumbous cutout is accompanied between lead shear damper outside plate and plumbous shearing damp inner panel, lead shear damper outside plate is provided with the plumbous hole of the note penetrating into plumbous cutout, lead shear damper outside plate, is connected by connecting bolt between lead shear damper inner panel and plumbous cutout.
The present invention is also, it is axially symmetric structure that damper is amplified in lead shear damper and/or friction.
The present invention is also, axially symmetric structure carries out affixed by connecting bolt from outside.
A kind of Friction-lead composite damper with Long Distances and Self-resetting feature, the outer box of frcition damper surrounds friction and amplifies bar from outside, fixed axis, drive link, arcuate friction block and marmem back-moving spring, arcuate friction block welding amplifies bar two ends in friction, fixed axis is fixed at outside bolt through the axis hole on friction amplification bar and the outer box bayonet socket of frcition damper, make friction amplify bar and can rotate around fixed axis the friction energy-dissipating amplifying arcuate friction block end, marmem back-moving spring two ends are welded in box and in drive link respectively, it is hinged that bar is amplified with friction in drive link one end in box, the other end stretches out the outer box of frcition damper and connects lead damper inner panel, thus realize traditional lead shear damper with friction amplify connecting of damper, the outer box of frcition damper after series connection and lead shear damper outside plate end are provided with end winding support plate, formation can protect lead damper not cut up under large deformation condition, amplify damper by friction to continue to consume energy and the novel Friction-lead composite damper with Long Distances and Self-resetting feature realizing shaking rear Self-resetting function.Solve the large deformation of traditional lead shear damper under larger earthquake effect, continue the problem such as energy dissipation capacity and the rear reset of shake.
It is also, Friction-lead composite damper can be arranged on beam column component.End winding support plate plate end is outer box and lead shear damper outside plate welding edges with frcition damper respectively, and portion's fixed head hinged end is connected by bolted splice with there being the external member of relative displacement, ensures only there is axle power in drive link.Drive link is stretched out and is welded to connect with lead shear damper from the preformed hole of box frcition damper.Sliding eye bar having approximate ellipsoidal is amplified in friction, provides the mobile space of drive link.The outer box inside of frcition damper is provided with friction and amplifies bar rotation slot, arcuate friction groove, drive link movement slots, being respectively that the rotation of bar is amplified in friction, the motion of arcuate friction block and drive link provides space, arcuate friction block is placed between two arcuate friction grooves.The outer box of frcition damper is reserved with bolt hole, realizes force of sliding friction control by installing high-strength bolt in prepared screw-bolt hole.The force of sliding friction of frcition damper is the non-destructive higher value of a guarantee lead shear damper; to realize making frcition damper start working before lead shear damper destroys; external force is unloaded; protection lead shear damper does not destroy under Large travel range, and realizes the lasting power consumption under Long Distances further by friction energy-dissipating.Between the outer box of frcition damper, the space of non-recessed portion adopts elastic filler, and protection arcuate friction block, friction amplify bar, drive link etc. not by foreign material intrusion effect sliding effect.The Self-resetting function with the Friction-lead composite damper of Long Distances and Self-resetting feature realized by welding marmem back-moving spring between and drive link inner at the outer box of frcition damper, wherein marmem back-moving spring has certain pretension, the power of adjustment pretension size and adjustable Self-resetting function.This reset force is relatively stable, utilization be the distortion platform section of shape memory alloy deformation superelastic properties, can realize by design the frictional force that this runback virial is greater than arcuate friction block, with can also return-to-home position after ensureing Frictional Slipping.It is the parts of steel material that damper, lead shear damper, drive link and marmem back-moving spring are amplified in friction.
Patent beneficial effect of the present invention is effectively to promote the service behaviour of traditional lead damper under unpredictable earthquake, ensures that lead shear damper is not cut up inefficacy because of the large deformation of structure, is then amplified by friction and continues to increase energy dissipation capacity; Achieve good reset capability by shape memory alloy spring, avoid earthquake centre and the reset of shake rear damper and change difficult problem, it also avoid because residual displacement is to the adverse effect of beam column component; In addition, patent of the present invention also has batch production and makes the advantages such as simple and easy for installation, for newly-built and that existing building is under rarely occurred earthquake Long Distances power consumption target provides new technical equipment effectively reliably, has preferably practical value and economic benefit.
Below in conjunction with accompanying drawing, patent of the present invention is described further.
Accompanying drawing explanation
Fig. 1 is the schematic diagram with the Friction-lead composite damper of Long Distances and Self-resetting feature of the embodiment of the present invention;
Fig. 2 is that the Friction-lead composite damper vibrational power flow with Long Distances and Self-resetting feature of the embodiment of the present invention is in the schematic diagram of post and beam structure;
Fig. 3 is frcition damper structural representation;
Fig. 4 is the sectional view of A-A in Fig. 3;
Fig. 5 is the sectional view of B-B in Fig. 3;
Fig. 6 is the outer box structural representation of frcition damper;
Fig. 7 is the sectional view of D-D in Fig. 6;
Fig. 8 is the sectional view of C-C in Fig. 6;
Fig. 9 is lead shear damper structural representation;
Figure 10 is the sectional view of E-E in Fig. 9;
Figure 11 is the sectional view of F-F in Fig. 9;
Figure 12 is lead shear damper inner panel and outer panel structure schematic diagram;
Wherein 1 is the outer box of frcition damper, 2 bolts, 3 is arcuate friction groove, and 4 is friction amplification bar rotation slot, and 5 is drive link movement slots, 6 is friction amplification bar, 7 is arcuate friction block, and 8 is fixed axis, and 9 is drive link, 10 is marmem back-moving spring, 11 is end winding support plate plate end, and 12 is end winding support plate hinged end, and 13 is lead shear damper inner panel, 14 is lead shear damper outside plate, 15 is the plumbous hole of note, and 16 is plumbous cutout, and 17 is the outer box bayonet socket of frcition damper, 18 is elastic filler, and 19 is sliding eye.
Detailed description of the invention
Further illustrating below to patented technology content of the present invention, but the restriction not to patent flesh and blood of the present invention.
Friction-lead composite buffer, comprises lead shear damper and damper is amplified in friction, and lead shear damper and friction are amplified between damper and be cascaded by drive link 9.Lead shear damper after series connection amplifies damper two ends with friction and is provided with end winding support plate plate end 11.End winding support plate plate end 11 is also provided with end winding support plate hinged end 12, end winding support plate hinged end 12 is provided with connecting bolt 2.Friction is amplified damper and is comprised the outer box 1 of frcition damper, arcuate friction groove 3 is provided with in the outer box 1 of frcition damper, bar rotation slot 4 is amplified in friction, bar 6 is amplified in drive link movement slots 5 and friction, friction is amplified bar 6 and is vertically set in drive link 9 by sliding eye 19, friction is amplified bar 6 both ends and is provided with arcuate friction block 7, arcuate friction block 7 is connected in arcuate friction groove 3, drive link 9 is connected in drive link movement slots 5 by marmem back-moving spring 10, friction is amplified bar 6 and is connected in friction amplification bar movement slots 4 by fixed axis 8 and the outer box bayonet socket 17 of frcition damper.Rub to amplify bar 6 and rub to amplify between bar rotation slot 4 and be also provided with elastic filler.Drive link 9 is provided with between two friction amplification 6, two, bar friction amplification bars 6 and is parallel to each other.Outer box 1 surrounding of frcition damper is provided with connecting bolt 2.Lead shear damper comprises lead shear damper inner panel 13, drive link 9 is connected on plumbous shearing damp inner panel 13, plumbous shearing damp inner panel 13 is connected with lead shear damper outside plate 14, plumbous cutout 16 is accompanied between lead shear damper outside plate 14 and plumbous shearing damp inner panel 13, lead shear damper outside plate 14 is provided with the plumbous hole 15 of the note penetrating into plumbous cutout 16, lead shear damper outside plate 14, is connected by connecting bolt 2 between lead shear damper inner panel 13 and plumbous cutout 16.It is axially symmetric structure that damper is amplified in lead shear damper and/or friction.Axially symmetric structure carries out affixed by connecting bolt 2 from outside.Elastic filler 18 adopts rubber type of material (natural rubber, synthetic rubber) and plastic materials (polyethylene, polypropylene etc.).
Patented technology of the present invention is applicable to frame structure system, especially steel framed structure, Fig. 1 is the schematic diagram with the Friction-lead composite damper structure of Long Distances and Self-resetting feature of the embodiment of the present invention, and Fig. 2 is the schematic diagram that the Friction-lead composite damper with Long Distances and Self-resetting feature of the embodiment of the present invention is arranged at post and beam structure.As shown in Figure 1, the Friction-lead composite damper with Long Distances and Self-resetting feature is in series by the frcition damper and traditional shearing damp device two parts with friction enlarging function.Now this two-part detailed configuration and connection mode are set forth as follows.As shown in Figure 2, the end winding support plate hinged end 12 at Friction-lead composite damper two ends is connected on fixed head by connecting bolt 2, is arranged on the adjacent wall body in corner.Its shear rod 3 is affixed in support bar, is articulated with the corner other end.Fig. 3 is frcition damper structural representation, Fig. 4 is the sectional view of A-A in Fig. 3, Fig. 5 is the sectional view of B-B in Fig. 3, as shown in Fig. 3, Fig. 4 and Fig. 5, can know main composition and the embodiment of frcition damper, first, Fig. 6 is the outer box structural representation of frcition damper, Fig. 7 is the sectional view of D-D in Fig. 6, Fig. 8 is the sectional view of C-C in Fig. 6, as Fig. 6, go out to have arcuate friction groove 3 by produce in factory shown in Fig. 7 and Fig. 8, the outer box 1 of frcition damper of bar rotation slot 4 and drive link movement slots 5 is amplified in friction, reserved bayonet socket 17 on outer box, the preformed hole that drive link 9 can be allowed to stretch out is reserved in outer box side, periphery prepared screw-bolt hole, bolt 2 amplifies seemingly oval sliding eye 19 reserved on bar 6 by friction, drive link 9 is made to become the friction of 180 degree to amplify bar 6 with its both sides hinged fixing, sliding eye 19 ensures that drive link 9 can be with dynamic friction to amplify bar 6 and rotate around fixed axis 8, bar 6 welding edges arcuate friction block 7 is amplified in friction, and marmem back-moving spring 10 two ends are welded between drive link movement slots 5 and drive link 9, and make marmem back-moving spring 10 have certain pretension, this runback virial is greater than the frictional force of arcuate friction block, with can also return-to-home position after ensureing Frictional Slipping.Then, fixed axis 8 is worn friction and amplify fixed axis 8 hole reserved on bar 6, and fixed with bolt 2 in outside by the bayonet socket 17 on the outer box 1 of two frcition dampers.Finally; high-strength bolt 2 is installed in the prepared screw-bolt hole of outer box 1 periphery of frcition damper and realizes force of sliding friction control; calculate guarantee force of sliding friction be a guarantee lead shear damper not by the higher value cut up, between the outer box 1 of frcition damper, the space of non-recessed portion adopts elastic filler 18.Fig. 9 is lead shear damper structural representation; Figure 10 is the sectional view of E-E in Fig. 9; Figure 11 is the sectional view of F-F in Fig. 9; Figure 12 is lead shear damper inner panel and outer panel structure schematic diagram; As shown in Fig. 9, Figure 10, Figure 11 and Figure 12, main composition and the embodiment of lead shear damper can be known, lead shear damper inner panel 13 shown in produce in factory Figure 12 and lead shear damper outside plate 14, inner panel is reserved plumbous cutout 16 groove up and down, also be provided with plumbous cutout 16 groove inside outside plate and reserve the plumbous hole 15 of note in outside, with bolt 2, one piece of lead shear damper inner panel 13 and two pieces of lead shear damper outside plates 14 being fixed, having poured into rear welded seal by noting plumbous hole 15.The drive link 9 of stretching out frcition damper outer box 1 side preformed hole is welded with lead shear damper inner panel 13, obtains the main part with the Friction-lead composite damper of Long Distances and Self-resetting feature.As depicted in figs. 1 and 2, two prefabricate end winding support plate plate ends 11 are welded on respectively outer box 1 outer end of frcition damper and lead shear damper outside plate 14 outer end, and make both ends fixed head hinged end 12 and have the structure member of relative displacement to be articulated and connected, be i.e. whole installations of complete cost apparatus.
Claims (10)
1. a friction-lead composite buffer, is characterized in that, comprise lead shear damper and friction amplify damper, lead shear damper and friction amplifies between damper pass through drive link (9) be cascaded.
2. friction-lead composite buffer according to claim 1, is characterized in that, the lead shear damper after series connection amplifies damper two ends with friction and is provided with end winding support plate plate end (11).
3. friction-lead composite buffer according to claim 2, it is characterized in that, end winding support plate plate end (11) is also provided with end winding support plate hinged end (12), end winding support plate hinged end (12) is provided with connecting bolt (2).
4. friction-lead composite buffer according to claim 1, it is characterized in that, friction is amplified damper and is comprised the outer box (1) of frcition damper, arcuate friction groove (3) is provided with in the outer box (1) of frcition damper, bar rotation slot (4) is amplified in friction, bar (6) is amplified in drive link movement slots (5) and friction, friction is amplified bar (6) and is vertically set in drive link (9) by sliding eye (19), friction is amplified bar (6) both ends and is provided with arcuate friction block (7), arcuate friction block (7) is connected in arcuate friction groove (3), drive link (9) is connected in drive link movement slots (5) by marmem back-moving spring (10), friction is amplified bar (6) and is connected in friction amplification bar movement slots (4) by fixed axis (8) and the outer box bayonet socket (17) of frcition damper.
5. friction-lead composite buffer according to claim 4, is characterized in that, rubs to amplify bar (6) and rub to amplify between bar rotation slot (4) to be also provided with elastic filler.
6. friction-lead composite buffer according to claim 4, is characterized in that, drive link (9) is provided with two frictions and amplifies bar (6), be parallel to each other between two frictions amplification bar (6).
7. friction-lead composite buffer according to claim 4, is characterized in that, outer box (1) surrounding of frcition damper is provided with connecting bolt (2).
8. friction-lead composite buffer according to claim 1, it is characterized in that, lead shear damper comprises lead shear damper inner panel (13), drive link (9) is connected on plumbous shearing damp inner panel (13), plumbous shearing damp inner panel (13) is connected with lead shear damper outside plate (14), plumbous cutout (16) is accompanied between lead shear damper outside plate (14) and plumbous shearing damp inner panel (13), lead shear damper outside plate (14) is provided with the plumbous hole (15) of the note penetrating into plumbous cutout (16), lead shear damper outside plate (14), connected by connecting bolt (2) between lead shear damper inner panel (13) and plumbous cutout (16).
9. friction-lead composite buffer according to any one of claim 1 to 8, is characterized in that, it is axially symmetric structure that damper is amplified in lead shear damper and/or friction.
10. friction-lead composite buffer according to claim 9, is characterized in that, axially symmetric structure carries out affixed by connecting bolt (2) from outside.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310195557.0A CN103266682B (en) | 2013-05-23 | 2013-05-23 | Friction-lead composite damper |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310195557.0A CN103266682B (en) | 2013-05-23 | 2013-05-23 | Friction-lead composite damper |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103266682A CN103266682A (en) | 2013-08-28 |
CN103266682B true CN103266682B (en) | 2015-02-18 |
Family
ID=49010336
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310195557.0A Expired - Fee Related CN103266682B (en) | 2013-05-23 | 2013-05-23 | Friction-lead composite damper |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN103266682B (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103485437B (en) * | 2013-09-29 | 2015-10-28 | 东南大学 | The rotary amplification power output device of viscous damper |
CN104746768B (en) * | 2015-04-20 | 2017-01-25 | 天津大学仁爱学院 | Self-returning lead extruding damper |
CN109098304B (en) * | 2018-09-28 | 2023-11-03 | 福州大学 | Amplified displacement type friction damper and assembly method thereof |
CN109252589B (en) * | 2018-11-01 | 2020-08-25 | 安徽百卉园林有限公司 | Multidirectional friction damper based on polar coordinate system concept and building using same |
CN109252600B (en) * | 2018-11-01 | 2020-06-19 | 马鞍山楚锐科技信息咨询有限公司 | Multidirectional friction damper and building structure using same |
CN109252601B (en) * | 2018-11-01 | 2020-04-21 | 徐州鼎力模具有限公司 | Multidirectional friction damper applied to complex path and application thereof |
CN115198906B (en) * | 2022-07-08 | 2023-11-07 | 广州大学 | Efficiency amplification type rotary friction coupling beam damper |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2777839B2 (en) * | 1990-07-04 | 1998-07-23 | 株式会社竹中工務店 | Damper for vibration control by lead viscosity |
US6141919A (en) * | 1996-01-12 | 2000-11-07 | Robinson Seismic Limited | Energy absorber |
CN201908371U (en) * | 2011-01-13 | 2011-07-27 | 北京工业大学 | Structure of lead shearing damper |
CN102444219A (en) * | 2011-10-20 | 2012-05-09 | 沈阳建筑大学 | Mild steel yielding and friction combined damper |
CN202265917U (en) * | 2011-09-20 | 2012-06-06 | 北京工业大学 | Multi-groove lead shear damper |
CN203320720U (en) * | 2013-05-23 | 2013-12-04 | 中南大学 | Friction-lead combined damper |
-
2013
- 2013-05-23 CN CN201310195557.0A patent/CN103266682B/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2777839B2 (en) * | 1990-07-04 | 1998-07-23 | 株式会社竹中工務店 | Damper for vibration control by lead viscosity |
US6141919A (en) * | 1996-01-12 | 2000-11-07 | Robinson Seismic Limited | Energy absorber |
CN201908371U (en) * | 2011-01-13 | 2011-07-27 | 北京工业大学 | Structure of lead shearing damper |
CN202265917U (en) * | 2011-09-20 | 2012-06-06 | 北京工业大学 | Multi-groove lead shear damper |
CN102444219A (en) * | 2011-10-20 | 2012-05-09 | 沈阳建筑大学 | Mild steel yielding and friction combined damper |
CN203320720U (en) * | 2013-05-23 | 2013-12-04 | 中南大学 | Friction-lead combined damper |
Also Published As
Publication number | Publication date |
---|---|
CN103266682A (en) | 2013-08-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103266682B (en) | Friction-lead composite damper | |
CN203320720U (en) | Friction-lead combined damper | |
CN103088933B (en) | A kind of collaborative power consumption curvature-prevention support component with large shake defencive function | |
CN108442569B (en) | Function-recoverable energy consumption reinforced concrete shear wall and construction method thereof | |
CN203096993U (en) | Synergetic energy-consumption buckling-restrained bracing member with major earthquake protective function | |
CN103938750B (en) | Energy dissipation brace damping device | |
CN109505364A (en) | Self-resetting energy-consuming steel support with shape memory alloy damper | |
CN211949072U (en) | Mounting and fixing support for building curtain wall | |
CN205475692U (en) | Fricative steel structure beam and column of shape memory alloy composite wing reason concatenation node | |
CN103498515A (en) | Mild steel damper for included angle position or column foot position of beam column node | |
CN108301676B (en) | Multi-dimensional combined type bearing type anti-seismic joint device | |
CN110593470A (en) | High-strength support structure for stone curtain wall | |
CN103276830B (en) | A kind of lead shear damper | |
CN107574944B (en) | A kind of anti-buckling fan-shaped metal damper applied to assembled beam-column node region | |
CN201972080U (en) | Temporary damping device for stayed cable | |
CN208717726U (en) | A kind of bridge girder anti-seismic bearing | |
CN214743029U (en) | Combined multi-section type damping device for electrical equipment | |
CN205976053U (en) | Disk energy dissipation shock absorber | |
CN103774752A (en) | Steel pipe truss hinging node device | |
CN103726574A (en) | Annularly-distributed multi-metal-bar steel ball type combined damping bearer | |
CN203782883U (en) | Steel pipe truss hinge joint device | |
CN211523595U (en) | Viscoelastic coupling beam damper with unidirectional shearing deformation | |
CN203668819U (en) | Annular steel wire rope steel spherical composite damping support | |
CN203639811U (en) | Annular steel wire rope laminated rubber composite seismic mitigation and absorption support | |
CN103981974B (en) | Micro-vibration energy dissipating portion re-centring damper |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150218 Termination date: 20170523 |
|
CF01 | Termination of patent right due to non-payment of annual fee |