CN108824922A - A kind of friction damper - Google Patents
A kind of friction damper Download PDFInfo
- Publication number
- CN108824922A CN108824922A CN201810902714.XA CN201810902714A CN108824922A CN 108824922 A CN108824922 A CN 108824922A CN 201810902714 A CN201810902714 A CN 201810902714A CN 108824922 A CN108824922 A CN 108824922A
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- Prior art keywords
- friction plate
- cursor
- fixing piece
- friction
- circular hole
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a kind of friction dampers, including the first connector, the second connector and at least two cursors, cursor one end is connect with the first connector, and the other end is connect with the second connector, and one end is equipped with the first circular hole other end and is equipped with the first slotted hole on cursor；First connector is equipped with the second circular hole corresponding with the first circular hole on cursor, second connector is equipped with the second slotted hole corresponding with the first slotted hole on cursor, first circular hole and the second circular hole are fixedly connected by the first fixing piece, and the first slotted hole and the second slotted hole are fixedly connected by the second fixing piece；The configuration of the present invention is simple, it is more convenient to use, vertical load can not only be discharged, reduces damage of the vertical load to damper, increases the service life of damper, and flexibility is higher.
Description
Technical field
The present invention relates to construction technical field of tools more particularly to a kind of friction dampers.
Background technique
Frcition damper is to construct fairly simple one kind in the various dampers studied extensively both at home and abroad at present.From 20 generation
It records the end of the seventies, for the energy-dissipating and shock-absorbing requirement for adapting to different building structure, journey researcher successively develops multiple types not similar shape
The frcition damper of formula is only applied in creating passive control structure, is both being deposited Seismic Strengthening and is being improved timber structure antidetonation
It is applied in performance.
In recent years, the shake control of steel construction and the bumper of armored concrete seismic hardening are carried out with frcition damper
Test achieves successful experience.These frcition dampers are usually all and support (X-type, V-shape, oblique pull die mould) or are vertically connected with
Pier forms energy dissipation brace together.
But the mounting means of either X-type, V-type or column type, frcition damper all pass through the shearing between support and become
Shape is converted into the deformation of frcition damper, and during this vertical load and temperature strain etc. can all have friction damper
Large effect；And the frictional damping of mechanism is sheared, friction is realized by the way that slotted hole is arranged on friction section, but it is this
Construction under the deformation of setting, due to and non-fully pure shear deformation, bolt may be just oval under target distortion
The long side in hole is blocked.
Summary of the invention
In order to solve the above-mentioned technical problem, point, friction damper disclosed by the invention, structure are simple in view of the above problems
It is single, it is more convenient to use, damage of the vertical load to damper can not only be reduced, increase the service life of damper, and flexibly
Property is higher.
In order to achieve the above object of the invention, the present invention provides a kind of friction dampers, including the first connector, second
Connector and at least two cursors, described cursor one end are connect with first connector, and the other end and described second connects
Fitting connection, the cursor are equipped with one end and are equipped with the first circular hole other end equipped with the first slotted hole；
First connector is equipped with the second circular hole corresponding with the first circular hole on the cursor, and described second connects
Fitting is equipped with the second slotted hole corresponding with the first slotted hole on the cursor, first circular hole and second circle
Hole is fixedly connected by the first fixing piece, and first slotted hole and second slotted hole connect by the way that the second fixing piece is fixed
It connects.
Further, first connector include the first connecting plate and at least one with first connecting plate it is integrated at
First friction plate of type, first connecting plate are mutually perpendicular to first friction plate；
Second connector includes the second connecting plate and at least one and second connecting plate integrally formed second
Friction plate, second connecting plate are mutually perpendicular to second friction plate；
First connecting plate is parallel with before second connecting plate and is oppositely arranged, first friction plate and described the
Two friction plates are parallel and are oppositely arranged；
First friction plate and second friction plate are arranged between the cursor.
Further, first friction plate is equipped with the second circular hole, and it is oval that second friction plate is equipped with second
Hole, first circular hole and the second circular hole are fixedly connected by the first fixing piece, first slotted hole and described second oval
Hole is fixedly connected by the second fixing piece.
Preferably, first friction plate and second friction plate are equipped with one, there are two the cursor is set, institute
It states the first fixing piece and sequentially passes through circular hole on the cursor, first friction plate and the cursor, described second is solid
Determine part and sequentially passes through slotted hole on the cursor, second friction plate and the cursor.
Preferably, there are two first friction plate and second friction plate are all provided with, there are three the cursor is set, institute
It states the first fixing piece and sequentially passes through the cursor, first friction plate, the cursor, first friction plate and described
Circular hole on cursor, second fixing piece sequentially pass through the cursor, second friction plate, the cursor, institute
State the slotted hole on the second friction plate and the cursor.It further, further include friction plate and elastic component, the friction plate is set
It sets on the side wall of first friction plate or the second friction plate, the friction plate is located at first friction plate and the rotation
Between arm or between second friction plate and the cursor；
The elastic component is set on first fixing piece or the second fixing piece, positioned at the end of first fixing piece
Between the cursor or between the end and the cursor of second fixing piece.
Preferably, the friction plate is arranged on the side wall of first friction plate, and the friction plate is located at described first
Between friction plate and the cursor；
The elastic component is set on first fixing piece, end and the cursor positioned at first fixing piece
Between.
Preferably, first fixing piece and second fixing piece are bolt, the friction plate be copper sheet or aluminium flake,
The elastic component is butterfly spring, and the elastic component is positioned close to nut one end of first fixing piece, the friction plate
It is equipped with hole corresponding with the circular hole, first fixing piece can pass through the hole on the friction plate.
It further, further include flat shim, the flat shim is separately positioned on close to first fixing piece and described the
One end of two fixing piece upper cap nuts, the flat shim are arranged between nut and the cursor.
Further, the two sides of the cursor are parallel edges or are non-parallel side.
Implement the embodiment of the present invention, has the advantages that：
1, friction damper disclosed by the invention, the first circular hole being arranged on cursor and the cooperation of the first slotted hole
Structure can discharge vertical load, reduce and transmit damage of the vertical load to get off to damper on beam；
2, friction damper disclosed by the invention, the first circular hole being arranged on cursor and the cooperation of the first slotted hole
Structure avoids friction damper from being blocked by the second slotted hole；Raising process shears second on the friction damper of mechanism
The control precision of the spacing of two back gauge of the first and second slotted hole of fixing piece distance；
3, friction damper disclosed by the invention, structure is simple, more convenient to use, can not only reduce vertical load pair
The damage of damper increases the service life of damper, and flexibility is higher.
Detailed description of the invention
In order to illustrate more clearly of friction damper of the present invention, attached drawing required for embodiment will be made below
Simply introduce, it should be apparent that, drawings in the following description are only some embodiments of the invention, common for this field
For technical staff, without creative efforts, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structural schematic diagram of friction damper preferred embodiment of the present invention；
Fig. 2 is the structural schematic diagram of cursor in Fig. 1；
Fig. 3 is the structural schematic diagram of another preferred embodiment of friction damper；
Fig. 4 is the structural schematic diagram of cursor in Fig. 3；
Wherein, appended drawing reference corresponds in figure：
1- friction plate, 2- flat shim, the first fixing piece of 3-, 4- elastic component, the second fixing piece of 5-, 6- cursor, 601-
One circular hole, the first slotted hole of 602-, the second connecting plate of 7-, the second friction plate of 8-, the first connecting plate of 9-, the first friction plate of 10-.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, the present invention is made into one below in conjunction with attached drawing
Step ground detailed description.
Embodiment 1：
A kind of friction damper, including the first connector, the second connector and at least two cursors 6, the rotation
6 one end of arm is connect with first connector, and the other end is connect with second connector, and the cursor 6 is equipped with one end
The first slotted hole 602 is equipped with equipped with 601 other end of the first circular hole；
First connector is equipped with second circular hole corresponding with the first circular hole 601 on the cursor 6, and described the
Two connectors are equipped with second slotted hole corresponding with the first slotted hole 602 on the cursor 6, first circular hole 601
It is fixedly connected with second circular hole by the first fixing piece 3, first slotted hole 602 and second slotted hole pass through the
Two fixing pieces 5 are fixedly connected；The knot of the first circular hole 601 and the cooperation of the first slotted hole 602 that the present invention is arranged on cursor 6
Structure can discharge vertical load, reduce and transmit damage of the vertical load to get off to damper on beam.
First connector include the first connecting plate 9 and at least one integrally formed the with first connecting plate 9
One friction plate 10, first connecting plate 9 are mutually perpendicular to first friction plate 10；
Second connector include the second connecting plate 7 and at least one integrally formed the with second connecting plate 7
Two friction plates 8, second connecting plate 7 are mutually perpendicular to second friction plate 8；
First connecting plate 9 is parallel with before second connecting plate 7 and is oppositely arranged, first friction plate 10 and institute
It states the second friction plate 8 in parallel and is oppositely arranged；
First friction plate 10 and second friction plate 8 are arranged between the cursor 6.
First friction plate 10 is equipped with the second circular hole, and second friction plate 8 is equipped with the second slotted hole, and described the
One circular hole 601 is fixedly connected with the second circular hole by the first fixing piece 3, first slotted hole 602 and second slotted hole
It is fixedly connected by the second fixing piece 5.
Specifically, the two sides of the cursor 6 are parallel edges or are non-parallel side.
Embodiment 2：For the preferred embodiment of embodiment 1,
As depicted in figs. 1 and 2:A kind of friction damper, including the first connector, the second connector and at least two turns
Swing arm 6, described 6 one end of cursor are connect with first connector, and the other end is connect with second connector, the rotation
Arm 6 is equipped with one end and is equipped with 601 other end of the first circular hole equipped with the first slotted hole 602；
First connector is equipped with second circular hole corresponding with the first circular hole 601 on the cursor 6, and described the
Two connectors are equipped with second slotted hole corresponding with the first slotted hole 602 on the cursor 6, first circular hole 601
It is fixedly connected with second circular hole by the first fixing piece 3, first slotted hole 602 and second slotted hole pass through the
Two fixing pieces 5 are fixedly connected；The knot of the first circular hole 601 and the cooperation of the first slotted hole 602 that the present invention is arranged on cursor 6
Structure can discharge vertical load, reduce and transmit damage of the vertical load to get off to damper on beam.
First connector include the first connecting plate 9 and at least one integrally formed the with first connecting plate 9
One friction plate 10, first connecting plate 9 are mutually perpendicular to first friction plate 10；
Second connector include the second connecting plate 7 and at least one integrally formed the with second connecting plate 7
Two friction plates 8, second connecting plate 7 are mutually perpendicular to second friction plate 8；
First connecting plate 9 is parallel with before second connecting plate 7 and is oppositely arranged, first friction plate 10 and institute
It states the second friction plate 8 in parallel and is oppositely arranged；
First friction plate 10 and second friction plate 8 are arranged between the cursor 6.
First friction plate 10 is equipped with the second circular hole, and second friction plate 8 is equipped with the second slotted hole, and described the
One circular hole 601 is fixedly connected with the second circular hole by the first fixing piece 3, first slotted hole 602 and second slotted hole
It is fixedly connected by the second fixing piece 5.
First friction plate 10 and second friction plate 8 are equipped with one, described there are two the cursor 6 is set
First fixing piece 3 sequentially passes through the circular hole on the cursor 6, first friction plate 10 and the cursor 6, and described second
Fixing piece 5 sequentially passes through the slotted hole on the cursor 6, second friction plate 8 and the cursor 6.
It further, further include friction plate 1 and elastic component 4, the friction plate 1 is arranged in first friction plate 10 or the
On the side wall of two friction plates 8, the friction plate 1 is between first friction plate 10 and the cursor 6 or is located at described
Between second friction plate 8 and the cursor 6；
The elastic component 4 is set on first fixing piece 3 or the second fixing piece 5, positioned at first fixing piece 3
Between end and the cursor 6 or between the end and the cursor 6 of second fixing piece 5.
It further include flat shim 2, the flat shim 2 is separately positioned on to be fixed close to first fixing piece 3 and described second
One end of 5 upper cap nut of part, the flat shim 2 are arranged between nut and the cursor 6.
Specifically, the two sides of the cursor 6 are parallel edges.
Difference from example 1 is that：
First friction plate 10 and second friction plate 8 are equipped with one, described there are two the cursor 6 is set
First fixing piece 3 sequentially passes through the circular hole on the cursor 6, first friction plate 10 and the cursor 6, and described second
Fixing piece 5 sequentially passes through the slotted hole on the cursor 6, second friction plate 8 and the cursor 6.
It further, further include friction plate 1 and elastic component 4, the friction plate 1 is arranged in first friction plate 10 or the
On the side wall of two friction plates 8, the friction plate 1 is between first friction plate 10 and the cursor 6 or is located at described
Between second friction plate 8 and the cursor 6；
The elastic component 4 is set on first fixing piece 3 or the second fixing piece 5, positioned at first fixing piece 3
Between end and the cursor 6 or between the end and the cursor 6 of second fixing piece 5.
It further include flat shim 2, the flat shim 2 is separately positioned on to be fixed close to first fixing piece 3 and described second
One end of 5 upper cap nut of part, the flat shim 2 are arranged between nut and the cursor 6.
Specifically, the two sides of the cursor 6 are parallel edges.
Embodiment 3 is the preferred embodiment of embodiment 2,
As depicted in figs. 1 and 2, the difference from example 2 is that：
The friction plate 1 is arranged on the side wall of first friction plate 10, and the friction plate 1 is located at first friction
Between plate 10 and the cursor 6；
The elastic component 4 is set on first fixing piece 3, positioned at the end of first fixing piece 3 and described turn
Between swing arm 6.
First fixing piece 3 and second fixing piece 5 are bolt, the friction plate 1 be copper sheet or aluminium flake, it is described
Elastic component 4 is butterfly spring, and the elastic component 4 is positioned close to nut one end of first fixing piece 3, the friction plate 1
It is equipped with hole corresponding with the circular hole, first fixing piece 3 can pass through the hole on the friction plate 1.
Embodiment 4：For another preferred embodiment of embodiment 1
As shown in Figure 3 and Figure 4:A kind of friction damper, including the first connector, the second connector and at least two turns
Swing arm 6, described 6 one end of cursor are connect with first connector, and the other end is connect with second connector, the rotation
Arm 6 is equipped with one end and is equipped with 601 other end of the first circular hole equipped with the first slotted hole 602；
First connector is equipped with second circular hole corresponding with the first circular hole 601 on the cursor 6, and described the
Two connectors are equipped with second slotted hole corresponding with the first slotted hole 602 on the cursor 6, first circular hole 601
It is fixedly connected with second circular hole by the first fixing piece 3, first slotted hole 602 and second slotted hole pass through the
Two fixing pieces 5 are fixedly connected；The knot of the first circular hole 601 and the cooperation of the first slotted hole 602 that the present invention is arranged on cursor 6
Structure can discharge vertical load, reduce and transmits damage of the vertical load to get off to damper on beam.
First connector include the first connecting plate 9 and at least one integrally formed the with first connecting plate 9
One friction plate 10, first connecting plate 9 are mutually perpendicular to first friction plate 10；
Second connector include the second connecting plate 7 and at least one integrally formed the with second connecting plate 7
Two friction plates 8, second connecting plate 7 are mutually perpendicular to second friction plate 8；
First connecting plate 9 is parallel with before second connecting plate 7 and is oppositely arranged, first friction plate 10 and institute
It states the second friction plate 8 in parallel and is oppositely arranged；
First friction plate 10 and second friction plate 8 are arranged between the cursor 6.
First friction plate 10 is equipped with the second circular hole, and second friction plate 8 is equipped with the second slotted hole, and described the
One circular hole 601 is fixedly connected with the second circular hole by the first fixing piece 3, first slotted hole 602 and second slotted hole
It is fixedly connected by the second fixing piece 5.
It is described there are three the cursor 6 is set there are two first friction plate 10 and second friction plate 8 are all provided with
First fixing piece 3 sequentially passes through the cursor 6, first friction plate 10, the cursor 6, first friction plate 10
With the circular hole on the cursor 6, second fixing piece 5 sequentially passes through the cursor 6, second friction plate 8, described
Slotted hole on cursor 6, second friction plate 8 and the cursor 6.
It further, further include friction plate 1, elastic component 4 and flat shim 2, the flat shim 2 is separately positioned on close to described
One end of first fixing piece 3 and 5 upper cap nut of the second fixing piece, the flat shim 2 setting nut and the cursor 6 it
Between.
The elastic component 4 is nested on the first fixing piece 3, and the friction plate 1 is arranged in the first friction plate 10 and cursor 6
Between, first fixing piece 3 passes through cursor 6, the first friction plate 10 and friction plate 1.
Specifically, the two sides of the cursor 6 are non-parallel side.
Difference from example 1 is that：
It is described there are three the cursor 6 is set there are two first friction plate 10 and second friction plate 8 are all provided with
First fixing piece 3 sequentially passes through the cursor 6, first friction plate 10, the cursor 6, first friction plate 10
With the circular hole on the cursor 6, second fixing piece 5 sequentially passes through the cursor 6, second friction plate 8, described
Slotted hole on cursor 6, second friction plate 8 and the cursor 6.
It further, further include friction plate 1, elastic component 4 and flat shim 2, the flat shim 2 is separately positioned on close to described
One end of first fixing piece 3 and 5 upper cap nut of the second fixing piece, the flat shim 2 setting nut and the cursor 6 it
Between.
The elastic component 4 is nested on the first fixing piece 3, and the friction plate 1 is arranged in the first friction plate 10 and cursor 6
Between, first fixing piece 3 passes through cursor 6, the first friction plate 10 and friction plate 1.
Specifically, the two sides of the cursor 6 are non-parallel side.
Friction damper disclosed by the invention, the knot of the first circular hole being arranged on cursor and the cooperation of the first slotted hole
Structure can discharge vertical load, reduce and transmit damage of the vertical load to get off to damper on beam；And friction-type is avoided to damp
Device is blocked by the second slotted hole；Raising process shears the second fixing piece distance first and second on the friction damper of mechanism
The control precision of the spacing of two back gauge of slotted hole；The configuration of the present invention is simple, it is more convenient to use, vertical load can not only be reduced
Damage to damper increases the service life of damper, and flexibility is higher.
Above disclosed is only a preferred embodiment of the present invention, cannot limit the power of the present invention with this certainly
Sharp range, therefore equivalent changes made in accordance with the claims of the present invention, are still within the scope of the present invention.
Claims (10)
1. a kind of friction damper, including the first connector, the second connector and at least two cursors (6), the rotation
Arm (6) one end is connect with first connector, and the other end is connect with second connector, it is characterised in that：The rotation
One end is equipped with the first circular hole (601) other end and is equipped with the first slotted hole (602) on arm (6)；
First connector is equipped with the second circular hole corresponding with the first circular hole (601) on the cursor (6), and described the
Two connectors are equipped with the second slotted hole corresponding with the first slotted hole (602) on the cursor (6), first circular hole
(601) it is fixedly connected with second circular hole by the first fixing piece (3), first slotted hole (602) and second length
Circular hole is fixedly connected by the second fixing piece (5).
2. friction damper according to claim 1, it is characterised in that：First connector includes the first connecting plate
(9) and at least one and integrally formed first friction plate (10) of first connecting plate (9), first connecting plate (9) with
First friction plate (10) is mutually perpendicular to；
Second connector include the second connecting plate (7) and at least one integrally formed the with second connecting plate (7)
Two friction plates (8), second connecting plate (7) are mutually perpendicular to second friction plate (8)；
First connecting plate (9) is parallel with before second connecting plate (7) and is oppositely arranged, first friction plate (10) with
Second friction plate (8) is parallel and is oppositely arranged；
First friction plate (10) and second friction plate (8) are arranged between the cursor (6).
3. friction damper according to claim 2, it is characterised in that：First friction plate (10) is equipped with second
Circular hole, it is solid by first that second friction plate (8) is equipped with the second slotted hole, first circular hole (601) and the second circular hole
Determine part (3) to be fixedly connected, first slotted hole (602) is fixedly connected with second slotted hole by the second fixing piece (5).
4. friction damper according to claim 3, it is characterised in that：First friction plate (10) and described second
Friction plate (8) is equipped with one, and there are two the cursor (6) sets, first fixing piece (3) sequentially passes through the cursor
(6), the circular hole on first friction plate (10) and the cursor (6), second fixing piece (5) sequentially pass through described turn
Slotted hole on swing arm (6), second friction plate (8) and the cursor (6).
5. friction damper according to claim 3, it is characterised in that：First friction plate (10) and described second
There are two friction plate (8) is all provided with, there are three the cursor (6) sets, first fixing piece (3) sequentially passes through the cursor
(6), the circle on first friction plate (10), the cursor (6), first friction plate (10) and the cursor (6)
Hole, second fixing piece (5) sequentially pass through the cursor (6), second friction plate (8), the cursor (6), institute
State the slotted hole on the second friction plate (8) and the cursor (6).
6. friction damper according to claim 4, it is characterised in that：It further include friction plate (1) and elastic component (4),
The friction plate (1) is arranged on the side wall of first friction plate (10) or the second friction plate (8), the friction plate (1) position
Between first friction plate (10) and the cursor (6) or positioned at second friction plate (8) and the cursor (6)
Between；
The elastic component (4) is set on first fixing piece (3) or the second fixing piece (5), is located at first fixing piece
(3) between end and the cursor (6) or between the end and the cursor (6) of second fixing piece (5).
7. friction damper according to claim 6, it is characterised in that：The friction plate (1) is arranged described first
On the side wall of friction plate (10), the friction plate (1) is between first friction plate (10) and the cursor (6)；
The elastic component (4) is set on first fixing piece (3), be located at first fixing piece (3) end with it is described
Between cursor (6).
8. friction damper according to claim 7, it is characterised in that：First fixing piece (3) and described second
Fixing piece (5) is bolt, and the friction plate (1) is copper sheet or aluminium flake, and the elastic component (4) is butterfly spring, the elasticity
Part (4) is positioned close to nut one end of first fixing piece (3), and the friction plate (1) is equipped with opposite with the circular hole
The hole answered, first fixing piece (3) can pass through the hole on the friction plate (1).
9. friction damper according to claim 8, it is characterised in that：It further include flat shim (2), the flat shim
(2) it is separately positioned on close to one end of first fixing piece (3) and second fixing piece (5) upper cap nut, the flat shim
(2) it is arranged between nut and the cursor (6).
10. friction damper described in -9 any one according to claim 1, it is characterised in that：The two of the cursor (6)
Side is parallel edges or is non-parallel side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810902714.XA CN108824922A (en) | 2018-08-09 | 2018-08-09 | A kind of friction damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810902714.XA CN108824922A (en) | 2018-08-09 | 2018-08-09 | A kind of friction damper |
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| Publication Number | Publication Date |
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| CN108824922A true CN108824922A (en) | 2018-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810902714.XA Pending CN108824922A (en) | 2018-08-09 | 2018-08-09 | A kind of friction damper |
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| CN112709439A (en) * | 2020-12-31 | 2021-04-27 | 浙江精工钢结构集团有限公司 | Damping device capable of slowly releasing internal force and releasing method |
| CN113123523A (en) * | 2021-04-15 | 2021-07-16 | 重庆大学 | Connecting beam structure capable of recovering energy consumption and enhancing energy consumption capacity |
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|---|---|---|---|---|
| CN112709439A (en) * | 2020-12-31 | 2021-04-27 | 浙江精工钢结构集团有限公司 | Damping device capable of slowly releasing internal force and releasing method |
| CN113123523A (en) * | 2021-04-15 | 2021-07-16 | 重庆大学 | Connecting beam structure capable of recovering energy consumption and enhancing energy consumption capacity |
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