CN112832375A - Shape memory alloy energy dissipation shock absorber - Google Patents
Shape memory alloy energy dissipation shock absorber Download PDFInfo
- Publication number
- CN112832375A CN112832375A CN202110119078.5A CN202110119078A CN112832375A CN 112832375 A CN112832375 A CN 112832375A CN 202110119078 A CN202110119078 A CN 202110119078A CN 112832375 A CN112832375 A CN 112832375A
- Authority
- CN
- China
- Prior art keywords
- memory alloy
- plate
- matching
- rod
- shape memory
- 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.)
- Granted
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2406—Connection nodes
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2415—Brackets, gussets, joining plates
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2418—Details of bolting
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2433—Connection details of the elongated load-supporting parts using a removable key
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2457—Beam to beam connections
Abstract
The shape memory alloy energy dissipation shock absorber comprises symmetrically arranged mounting plates, wherein a plurality of groups of first mounting holes are formed in the mounting plates, first connecting plates, connecting structures and damping structures are symmetrically arranged between the symmetrically arranged mounting plates, and the connecting structures are located between the symmetrically arranged first connecting plates. By adopting the structure, the shock absorber which is made by taking the shape memory alloy as the main structure can carry out hysteretic energy consumption on the energy generated by the structure vibration through the phase change when the structure vibrates through the special phase change process of martensite phase change and austenite phase change; by applying the pre-strain, the node rigidity can be improved, and meanwhile, the shape alloy rod piece can be always in a tensile state, so that the vibration response of the structure is effectively inhibited, and the energy consumption capability of the structure is improved; the whole device has unique and reasonable structure, is designed aiming at the shape memory alloy which is the tip material, and utilizes the characteristics of the shape memory alloy to reduce vibration and consume energy to the maximum extent.
Description
Technical Field
The invention relates to the technical field of structural energy dissipation and vibration reduction, in particular to a shape memory alloy energy dissipation vibration absorber.
Background
In the current society, earthquake still is one of the most major natural disasters threatening the survival and development of our human society. Before the nineties of the twentieth century, steel frame rigid nodes, namely bolt welding connection nodes, are widely applied to the field of various steel structures due to good plastic deformation capacity, but further investigation after earthquake shows that the nodes can also generate a large amount of deformation even if the nodes are not damaged in earthquake.
As a novel intelligent material, the shape memory alloy has special hyperelastic mechanical property and shape memory effect besides excellent corrosion resistance, high damping characteristic and fatigue resistance. When the shape memory alloy is acted by external force, because the martensite phase transformation and austenite phase transformation occur in the internal structure of the shape memory alloy, the super elastic deformation with high damping characteristic is generated, and a large amount of energy can be absorbed, thereby reducing the structural vibration reaction. With the continuous development of industrial technology, shape memory alloy, an intelligent material, has advanced into the field of construction, and in recent years, many scholars use shape memory alloy as a self-resetting element to connect a shape memory alloy screw rod with a structure node so as to realize the self-resetting between the structure nodes. Research shows that when the structure is under the action of external load, the generation of residual deformation can be effectively reduced, meanwhile, the strength of the node is improved to a certain extent, and the structure has a good node self-resetting function. However, because the elastic modulus of the martensite and austenite of the shape memory alloy is smaller, although the shape memory alloy can effectively reduce the residual deformation when being used as a self-resetting element, the initial rigidity of the node directly connected by the shape memory alloy is smaller, and meanwhile, the shape memory alloy and the structure directly connected cannot fully exert the hysteretic performance, so that the hysteretic energy consumption capability of the node is insufficient.
Disclosure of Invention
The invention aims to solve the technical problem of providing a shape memory alloy energy dissipation damper, wherein the damper is manufactured by taking shape memory alloy as a main structure, and when the structure vibrates through a special phase transformation process of martensite phase transformation and austenite phase transformation, the energy generated by the structure vibration is subjected to hysteretic energy dissipation through phase transformation; by applying the pre-strain, the node rigidity can be improved, meanwhile, the shape alloy rod piece can be always in a tensile state, when an external force is applied, the shape memory alloy rod is driven to stretch and compress along with the back-and-forth movement of the rod mounting, and the linear vibration displacement between structural members can be effectively inhibited, so that the vibration response of the structure is effectively inhibited, and the energy consumption capability of the structure is improved; the whole device has unique and reasonable structure, is designed aiming at the shape memory alloy which is the tip material, and utilizes the characteristics of the shape memory alloy to reduce vibration and consume energy to the maximum extent.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the shape memory alloy energy dissipation shock absorber comprises symmetrically arranged mounting plates, wherein a plurality of groups of first mounting holes are formed in the mounting plates, symmetrically arranged first connecting plates, connecting structures and symmetrically arranged damping structures are arranged between the symmetrically arranged mounting plates, and the connecting structures are positioned between the symmetrically arranged first connecting plates;
the damping structure comprises a second connecting plate connected with the first connecting plate, wherein the second connecting plate is provided with a matching hole, a first matching plate and a second matching plate are arranged between the second connecting plate and the mounting plate on the side far away from the distance, the first matching plate and the second matching plate are connected through a plurality of connecting rods, the first matching plate is provided with a plurality of first matching holes, the second matching plate is provided with a plurality of second matching holes, a first memory alloy rod is arranged in the first matching hole, two ends of the first memory alloy rod are respectively fixedly connected with the mounting plate and the second matching plate through fixing pieces, a second memory alloy rod is arranged in the second matching hole, two ends of the second memory alloy rod are respectively fixedly connected with the first matching plate and the second connecting plate through fixing pieces, the opposite mounting holes are internally provided with opposite mounting rods, one ends of the opposite mounting rods are connected with the mounting plate, and the other ends of the opposite mounting rods pass through the second matching holes' to be connected with the first matching plate.
In a preferable scheme, the opposite installation rod is positioned at the center of the second connecting plate, the first matching plate and the second matching plate', and the first memory alloy rod, the second memory alloy rod and the connecting rod are symmetrically arranged at two sides of the opposite installation rod from inside to outside.
In a preferred scheme, the connecting structure comprises a web plate, and the web plate is fixedly connected with the mounting plates which are symmetrically arranged and the first connecting plates which are symmetrically arranged.
In the preferred scheme, the connecting structure comprises a supporting seat and a rotating block which are respectively arranged on the mounting plates which are symmetrically arranged, and the supporting seat and the rotating block are hinged through a pin shaft.
In a preferred scheme, the first memory alloy rod and the second memory alloy rod are both applied with certain pre-strain through the fixing piece.
In a preferred scheme, the first connecting plate is made of mild steel with low yield strength.
In a preferred embodiment, the web and the fixing element form a shear member and do not contribute to the bending resistance of the structure.
The shape memory alloy energy dissipation shock absorber provided by the invention has the following beneficial effects by adopting the structure:
(1) the shock absorber is manufactured by taking the shape memory alloy as a main structure, and when the structure vibrates through the special phase transformation process of martensite phase transformation and austenite phase transformation, the energy generated by the structure vibration is subjected to hysteretic energy consumption through phase transformation;
(2) by applying the pre-strain, the node rigidity can be improved, meanwhile, the shape alloy rod piece can be always in a tensile state, when an external force is applied, the shape memory alloy rod is driven to stretch and compress along with the back-and-forth movement of the rod mounting, and the linear vibration displacement between structural members can be effectively inhibited, so that the vibration response of the structure is effectively inhibited, and the energy consumption capability of the structure is improved;
(3) the whole device has unique and reasonable structure, is designed aiming at the shape memory alloy which is the tip material, and utilizes the characteristics of the shape memory alloy to reduce vibration and consume energy to the maximum extent.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
fig. 1 is a schematic view of a belly-type overall structure of the present invention.
Fig. 2 is a schematic view of the hinge type overall structure of the present invention.
Fig. 3 is a top view of the overall structure of the present invention.
Fig. 4 is a front view of a belly style overall structure of the present invention.
Fig. 5 is a front view of the hinge type overall structure of the present invention.
Fig. 6 is a schematic view of the damping structure of the present invention.
Fig. 7 is a schematic view of the connection state of the web-type integrated structure of the present invention.
Fig. 8 is a schematic view showing a connection state of the hinge type integrated structure of the present invention.
In the figure: the mounting plate comprises a mounting plate 1, a first mounting hole 2, a first connecting plate 3, a connecting structure 4, a damping structure 5, a web plate 6, a supporting seat 7, a pin shaft 8, a rotating block 9, a second connecting plate 10, a fitting hole 11, a first matching plate 12, a second matching plate 12 ', a connecting rod 13, a first matching hole 14, a second matching hole 14', a fitting rod 15, a first memory alloy rod 16, a second memory alloy rod 17, a fixing part 18, a vertical beam 19 and a transverse beam 20.
Detailed Description
The first embodiment is as follows:
as shown in fig. 1-8, the shape memory alloy dissipative vibration absorber comprises symmetrically arranged mounting plates 1, wherein a plurality of groups of first mounting holes 2 are formed in the mounting plates 1, symmetrically arranged first connecting plates 3, connecting structures 4 and symmetrically arranged damping structures 5 are arranged between the symmetrically arranged mounting plates 1, and the connecting structures 4 are located between the symmetrically arranged first connecting plates 3;
the damping structure 5 comprises a second connecting plate 10 connected with the first connecting plate 3, a butt-assembling hole 11 is arranged on the second connecting plate 10, a first matching plate 12 and a second matching plate 12 'are arranged between the second connecting plate 10 and the mounting plate 1 on the side far away from the distance, the first matching plate 12 and the second matching plate 12' are connected through a plurality of connecting rods 13, a plurality of first matching holes 14 are arranged on the first matching plate 12, a plurality of second matching holes 14 'are arranged on the second matching plate 12', a first memory alloy rod 16 is arranged in the first matching hole 14, two ends of the first memory alloy rod 16 are respectively fixedly connected with the mounting plate 1 and the second matching plate 12 'through fixing pieces 18, a second memory alloy rod 17 is arranged in the second matching hole 14', two ends of the second memory alloy rod 17 are respectively fixedly connected with the first matching plate 12 and the second connecting plate 10 through fixing pieces 18, a butt-assembling rod 15 is arranged in the butt-assembling hole 11, one end of the opposite mounting rod 15 is connected with the mounting plate 1, and the other end of the opposite mounting rod 15 passes through the second matching hole 14' to be connected with the first matching plate 12.
In a preferred embodiment, the opposite mounting rod 15 is located at the center of the second connecting plate 10, the first matching plate 12 and the second matching plate 12', and the first memory alloy rod 16, the second memory alloy rod 17 and the connecting rod 13 are symmetrically arranged on both sides of the opposite mounting rod 15 from inside to outside. The installation rod 15, the first matching plate 12 and the second matching plate 12' are combined together to form a linkage device, when external force is applied, the installation rod 15 drives the linkage device to move, so that the shape alloy rod is driven to perform energy dissipation movement, when the installation rod 15 moves inwards, the first memory alloy rod 16 performs retraction movement under pre-stretching strain, the second memory alloy rod 17 performs tensioning movement under pre-stretching strain, when the installation rod 15 moves outwards, the first memory alloy rod 16 performs tensioning movement under pre-stretching strain, the second memory alloy rod 17 performs retraction movement under pre-stretching strain, and no matter whether the relative displacement of the first memory alloy rod 16 and the second memory alloy rod 17 is stretching or retracting, due to the application of pre-strain, the shape memory alloy rod consumes energy due to stretching deformation.
In a preferred scheme, the connecting structure 4 comprises a web 6, and the web 6 is fixedly connected with the symmetrically arranged mounting plates 1 and the symmetrically arranged first connecting plates 3. The web plate mainly provides the shearing resistance for the use of the shock absorber and does not participate in the energy consumption and shock absorption of the shock absorber.
In the preferred scheme, the connecting structure 4 comprises a supporting seat 7 and a rotating block 9 which are respectively arranged on the mounting plate 1 which is symmetrically arranged, and the supporting seat 7 and the rotating block 9 are hinged through a pin shaft 8. When the web plate is hinged by the pin shaft 8 instead, the shearing force is transmitted and consumed through the rotation of the pin shaft, the shock absorber can freely rotate around the pin shaft 8 under the action of bending moment, and the plasticity cannot develop towards the direction of the pin shaft, so that the bending resistance bearing capacity is mainly born by the axial tension (compression) of the first connecting plate 3 and the shape memory alloy shock absorber, and better energy consumption and shock absorption can be realized. ,
in a preferred scheme, the first memory alloy rod 16 and the second memory alloy rod 17 are applied with certain pre-strain through a fixing piece 18. By applying the pre-strain, the node rigidity can be improved, meanwhile, the shape alloy rod piece can be always in a tensile state, when an external force is applied, the shape memory alloy rod is driven to stretch and compress along with the back-and-forth movement of the rod, the linear vibration displacement between structural members can be effectively inhibited, the vibration response of the structure is effectively inhibited, and the energy consumption capability of the structure is improved.
In a preferred scheme, the first connecting plate 3 is made of mild steel with low yield strength.
In a preferred embodiment, the web 6 and the fixing elements 18 constitute shear elements and do not contribute to the bending resistance of the structure.
The using method of the invention comprises the following steps: in the use process, the fixing part 18 is made of a high-strength bolt, the mounting plate 1 at the right end of the shape memory alloy shock absorber penetrates through the first connecting hole 2 through the high-strength bolt to be connected with the column end, and the left end of the shape memory alloy shock absorber is connected with the beam end through the high-strength bolt.
When the structure is acted by external force, the web 6 and the high-strength bolt provide the shearing resistance of the structure, the first connecting plate 3 and the damping structure provide the bending resistance of the structure, when the upper part of the shape memory alloy shock absorber is pulled and the lower part is pressed, a part of bending moment of the upper part of the structure is axially pulled by the first connecting plate 3 and the other part is born by the upper damping structure, the second memory alloy rod 17 performs retraction movement under pretension strain, the first memory alloy rod 16 performs stretching movement under pretension strain, a part of bending moment of the lower part of the structure is axially pressed by the first connecting plate 3 and the other part is born by the lower damping structure, the second memory alloy rod 17 performs stretching movement under pretension strain, and the first memory alloy rod 16 performs retraction movement under pretension strain;
when the upper part of the shape memory alloy shock absorber is compressed and the lower part is pulled, a part of the bending moment of the upper part of the structure is axially compressed by the first connecting plate 3, and the other part is compressed by the upper damping structure, at this time, the second memory alloy rod 17 performs stretching movement under pre-stretching strain, while the first memory alloy rod 16 performs retracting movement under pre-stretching strain, a part of the bending moment of the lower part of the structure is axially pulled by the first connecting plate 3, and the other part is pulled by the lower damping structure, at this time, the second memory alloy rod 17 performs retracting movement under pre-stretching strain, while the first memory alloy rod 16 performs stretching movement under pre-stretching strain.
Due to the back-and-forth movement of the shape memory alloy damping structure, the linear vibration displacement between the structural components is inhibited, so that the vibration of the structure is effectively inhibited correspondingly, and the energy consumption capability of the structure is improved.
The invention has the beneficial effects that: in the node design of traditional assembled structure, all be equal to cast-in-place monolithic structure basically as the design principle, and anti-seismic performance is relatively poor, often form weak region in node core space and column end easily, lead to the uncertain development of structural plasticity, this shape memory alloy bumper shock absorber has realized that the node of traditional beam column junction moves outward, has eliminated the weak link of assembling, and through shape memory alloy's damping power consumption, the integrality in protection node core space to beam column's anti-seismic performance has been improved.
The shock absorber is manufactured by taking the shape memory alloy as a main structure, and when the structure vibrates through the special phase transformation process of martensite phase transformation and austenite phase transformation, the energy generated by the structure vibration is subjected to hysteretic energy consumption through phase transformation; by applying the pre-strain, the node rigidity can be improved, meanwhile, the shape alloy rod piece can be always in a tensile state, when an external force is applied, the shape memory alloy rod is driven to stretch and compress along with the back-and-forth movement of the rod mounting, and the linear vibration displacement between structural members can be effectively inhibited, so that the vibration response of the structure is effectively inhibited, and the energy consumption capability of the structure is improved; the whole device has unique and reasonable structure, is designed aiming at the shape memory alloy which is the tip material, and utilizes the characteristics of the shape memory alloy to reduce vibration and consume energy to the maximum extent.
Claims (7)
1. Shape memory alloy power consumption shock absorber, including mounting panel (1) of symmetry setting, its characterized in that: a plurality of groups of first mounting holes (2) are formed in the mounting plates (1), first connecting plates (3) which are symmetrically arranged, connecting structures (4) and damping structures (5) which are symmetrically arranged are arranged between the mounting plates (1) which are symmetrically arranged, and the connecting structures (4) are positioned between the first connecting plates (3) which are symmetrically arranged;
the damping structure (5) comprises a second connecting plate (10) connected with the first connecting plate (3), a fitting hole (11) is formed in the second connecting plate (10), a first matching plate (12) and a second matching plate (12 ') are arranged between the second connecting plate (10) and the mounting plate (1) on the side far away from the distance, the first matching plate (12) and the second matching plate (12') are connected through a plurality of connecting rods (13), a plurality of first matching holes (14) are formed in the first matching plate (12), a plurality of second matching holes (14 ') are formed in the second matching plate (12'), a first memory alloy rod (16) is arranged in the first matching hole (14), two ends of the first memory alloy rod (16) are fixedly connected with the mounting plate (1) and the second matching plate (12 ') through fixing pieces (18), a second memory alloy rod (17) is arranged in the second matching hole (14'), two ends of a second memory alloy rod (17) are fixedly connected with the first matching plate (12) and the second connecting plate (10) through fixing pieces (18), a matching rod (15) is arranged in the matching hole (11), one end of the matching rod (15) is connected with the mounting plate (1), and the other end of the matching rod (15) penetrates through a second matching hole (14') to be connected with the first matching plate (12).
2. The shape memory alloy dissipative vibration damper of claim 1, wherein: the opposite-mounting rod (15) is positioned at the center of the second connecting plate (10), the first matching plate (12) and the second matching plate (12'), and the first memory alloy rod (16), the second memory alloy rod (17) and the connecting rod (13) which are distributed from inside to outside are symmetrically arranged on two sides of the opposite-mounting rod (15).
3. The shape memory alloy dissipative vibration damper of claim 1, wherein: the connecting structure (4) comprises a web plate (6), and the web plate (6) is fixedly connected with the mounting plates (1) which are symmetrically arranged and the first connecting plates (3) which are symmetrically arranged.
4. The shape memory alloy dissipative vibration damper of claim 1, wherein: the connecting structure (4) comprises a supporting seat (7) and a rotating block (9) which are respectively arranged on the mounting plates (1) which are symmetrically arranged, and the supporting seat (7) and the rotating block (9) are hinged through a pin shaft (8).
5. The shape memory alloy dissipative vibration damper of claim 1, wherein: the first memory alloy rod (16) and the second memory alloy rod (17) exert certain pre-strain through the fixing piece (18).
6. The shape memory alloy dissipative vibration damper of claim 1, wherein: the first connecting plate (3) is made of mild steel with low yield strength.
7. The shape memory alloy dissipative vibration damper of claim 3, wherein: the web (6) and the fixing piece (18) form a shear element and do not participate in bending resistance of the structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110119078.5A CN112832375B (en) | 2021-01-28 | 2021-01-28 | Shape memory alloy energy dissipation shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110119078.5A CN112832375B (en) | 2021-01-28 | 2021-01-28 | Shape memory alloy energy dissipation shock absorber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112832375A true CN112832375A (en) | 2021-05-25 |
| CN112832375B CN112832375B (en) | 2022-04-22 |
Family
ID=75932222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110119078.5A Active CN112832375B (en) | 2021-01-28 | 2021-01-28 | Shape memory alloy energy dissipation shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112832375B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201050209Y (en) * | 2007-05-30 | 2008-04-23 | 北京工业大学 | Friction-spring three-dimensional compound shock isolating pedestal |
| CN205475805U (en) * | 2016-03-21 | 2016-08-17 | 同济大学 | Novel harmonious mass damper of material granule |
| WO2018060784A1 (en) * | 2016-12-20 | 2018-04-05 | Jamalpournajmabad Reza | Self-centering steel column- foundation connection, equipped with super elastic nitinol shape memory alloy |
| CN108951932A (en) * | 2018-09-19 | 2018-12-07 | 沈阳建筑大学 | A kind of multistage tension and compression energy dissipating resetting apparatus |
| CN109386068A (en) * | 2018-12-13 | 2019-02-26 | 上海市建筑科学研究院 | Self reset curvature-prevention energy dissipation brace based on memorial alloy |
| CN109914601A (en) * | 2019-03-22 | 2019-06-21 | 西安建筑科技大学 | A kind of replaceable energy consumption timber structure beam-column joint |
| CN209686584U (en) * | 2019-01-17 | 2019-11-26 | 西安建筑科技大学 | A kind of recoverable energy consumption timber structure beam-column joint |
| CN112096158A (en) * | 2020-09-15 | 2020-12-18 | 重庆大学 | Assembly type self-resetting beam column joint and construction method thereof |
-
2021
- 2021-01-28 CN CN202110119078.5A patent/CN112832375B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201050209Y (en) * | 2007-05-30 | 2008-04-23 | 北京工业大学 | Friction-spring three-dimensional compound shock isolating pedestal |
| CN205475805U (en) * | 2016-03-21 | 2016-08-17 | 同济大学 | Novel harmonious mass damper of material granule |
| WO2018060784A1 (en) * | 2016-12-20 | 2018-04-05 | Jamalpournajmabad Reza | Self-centering steel column- foundation connection, equipped with super elastic nitinol shape memory alloy |
| CN108951932A (en) * | 2018-09-19 | 2018-12-07 | 沈阳建筑大学 | A kind of multistage tension and compression energy dissipating resetting apparatus |
| CN109386068A (en) * | 2018-12-13 | 2019-02-26 | 上海市建筑科学研究院 | Self reset curvature-prevention energy dissipation brace based on memorial alloy |
| CN209686584U (en) * | 2019-01-17 | 2019-11-26 | 西安建筑科技大学 | A kind of recoverable energy consumption timber structure beam-column joint |
| CN109914601A (en) * | 2019-03-22 | 2019-06-21 | 西安建筑科技大学 | A kind of replaceable energy consumption timber structure beam-column joint |
| CN112096158A (en) * | 2020-09-15 | 2020-12-18 | 重庆大学 | Assembly type self-resetting beam column joint and construction method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112832375B (en) | 2022-04-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102808464B (en) | Fiber pre-stretched rod type self-centering steel buckling-restrained brace | |
| CN100410464C (en) | Mixed type marmem damper | |
| CN106567324A (en) | All-steel self-restoring buckling-restrained brace based on disc spring | |
| CN105256913A (en) | Shape-memory alloy stranded wire self-centering frictional buckling-restrained brace | |
| CN102852245A (en) | Fiber pre-drawing-rod type self-centering round tube buckling restrained support | |
| CN106438805B (en) | A kind of pull rod guide type complex spring damper | |
| CN112696076B (en) | SMA is from restoring to throne isolation bearing | |
| CN108301676B (en) | Multi-dimensional combined type bearing type anti-seismic joint device | |
| CN107217899A (en) | A kind of Self-resetting displacement enlargement type marmem damper | |
| CN101761145B (en) | Compound energy-consumption supporting member for automatically recovering axis centering function | |
| CN105714952A (en) | Bamboo-shaped buckling-restrained brace | |
| CN111827505B (en) | Shape memory alloy damper | |
| CN115787834A (en) | Modular self-resetting steel frame connecting structure | |
| CN112832375B (en) | Shape memory alloy energy dissipation shock absorber | |
| CN108301675A (en) | A kind of aluminium alloy inner core assembled buckling restrained brace that side can be inspected | |
| CN210086949U (en) | Barrel shock-resistant structure | |
| CN207080002U (en) | A kind of Self-resetting displacement enlargement type marmem damper | |
| CN206616918U (en) | A kind of bar shaft type Self-resetting friction energy dissipation device | |
| CN214574819U (en) | Bending energy-consuming type cable system support | |
| CN108060726A (en) | A kind of double aluminum alloy inner core assembled buckling restrained brace | |
| CN210369407U (en) | Building shock attenuation power consumption structure | |
| CN108222625A (en) | A kind of angular plate inner core assembled buckling restrained brace of four aluminium alloys | |
| CN203594129U (en) | Combined H-type steel core buckling-restrained supporting component | |
| CN113622535A (en) | Self-resetting damper based on zinc-aluminum alloy and manufacturing method thereof | |
| CN106436950A (en) | Pull-rod spiral spring damper with presettable early-stage rigidity |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |