CN109208991A - A kind of energy consuming mechanism connecting upper beam and underbeam - Google Patents
A kind of energy consuming mechanism connecting upper beam and underbeam Download PDFInfo
- Publication number
- CN109208991A CN109208991A CN201810992547.2A CN201810992547A CN109208991A CN 109208991 A CN109208991 A CN 109208991A CN 201810992547 A CN201810992547 A CN 201810992547A CN 109208991 A CN109208991 A CN 109208991A
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- plate
- damping
- underbeam
- energy consuming
- connecting shaft
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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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- 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
- E04H9/023—Bearing, supporting or connecting constructions specially adapted for such buildings and comprising rolling elements, e.g. balls, pins
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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)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Vibration Prevention Devices (AREA)
- Vibration Dampers (AREA)
Abstract
The present invention relates to a kind of energy consuming mechanism for connecting upper beam and underbeam, the beam slab including being fixed on upper beam is fixed on the bracket of underbeam, and the rotation steel plate being fixed on beam slab shears bloom, the first connecting shaft, the second connecting shaft, sliding block, multiple damping pieces；It rotates steel plate and is equipped with lower base, shearing bloom includes integrally formed connecting plate and curved plate, connecting plate is pivotally rack-mount by the first connecting shaft, connecting plate is equipped with sliding slot, sliding block is slidably placed in the sliding slot of connecting plate, first connecting shaft extends vertically through connecting plate, second connecting shaft extends vertically through sliding block, connecting plate runs through lower base, second connecting shaft and lower base are pivotally installed together, one end of damping piece is connected on curved plate, and the other end of damping piece is connected on rotation steel plate.Energy consuming mechanism has good anti seismic efficiency, belongs to the technical field of earthquake-resistant building.
Description
Technical field
The present invention relates to the technical field of earthquake-resistant building more particularly to a kind of energy consuming mechanisms for connecting upper beam and underbeam.
Background technique
In recent years, China has carried out a large amount of research work in terms of the shock insulation of engineering structure, vibration damping and vibration control, takes
Obtain plentiful and substantial research achievement.Structural vibration control technology provides a reasonable effective approach for earthquake-resistant structure.Wherein, it consumes energy
Damping is a kind of passive control measure, is to guide the seismic energy of input structure into be especially arranged mechanism and element is absorbed
And energy consumption, so as to protect the safety of main structure.
High production efficiency, component quality are good, building waste is few, economize on resources and the energy, reality because it has for fabricated construction
The advantages that now Green Development of " four sections, one environmental protection " requires is widely applied both at home and abroad.How to guarantee to assemble under geological process
Formula structure is not destroyed, and is guaranteed the stability of structure entirety, is become problem to be solved, passive energy dissipation technology is exactly wherein
A kind of reliable means.
Have a lot of energy-consumption shock-absorption devices at present, but existing energy-consumption shock-absorption device energy efficiency is lower, single-stage antidetonation subtracts
It is undesirable to shake effect.
Summary of the invention
For the technical problems in the prior art, the object of the present invention is to provide a kind of connection upper beam and underbeams
Energy consuming mechanism has good anti seismic efficiency.
In order to achieve the above object, the present invention adopts the following technical scheme:
A kind of energy consuming mechanism connecting upper beam and underbeam, the beam slab including being fixed on upper beam are fixed on the bracket of underbeam, Gu
The rotation steel plate being scheduled on beam slab shears bloom, the first connecting shaft, the second connecting shaft, sliding block, multiple damping pieces；Rotate steel plate
It is equipped with lower base, shearing bloom includes integrally formed connecting plate and curved plate, and connecting plate is rotated by the first connecting shaft
Formula it is rack-mount, connecting plate is equipped with sliding slot, and sliding block is slidably placed in the sliding slot of connecting plate, and the first connecting shaft is hung down
Directly run through connecting plate, the second connecting shaft extends vertically through sliding block, and connecting plate runs through lower base, the second connecting shaft and lower base rotary type
Ground is installed together, and one end of damping piece is connected on curved plate, and the other end of damping piece is connected on rotation steel plate.
Further, the circumference side of some of damping pieces is equipped with damping rubber, damping rubber is located at arc-shaped steel
In the through-hole of plate, there are gaps for the inner wall of the through hole of damping rubber and curved plate.
Further, curved plate is equipped with multiple through-holes, set on the inner wall of some of through holes of curved plate
There is damping rubber, there are gaps between damping rubber and damping piece.
Further, damping piece include the first cylindrical portion that is integrally formed and being connected in turn, the first rotary table portion,
Second rotary table portion, the second cylindrical portion；First cylindrical portion is located in the through-hole of curved plate, and the second cylindrical portion is located at rotation steel plate
In through-hole, the width of damping piece gradually increases during the intersection to the first cylindrical portion in the first rotary table portion and the second rotary table portion
Greatly, the width of damping piece is gradually increased during the intersection to the second cylindrical portion in the first rotary table portion and the second rotary table portion.
Further, bracket includes integrally formed first inclined plate, transverse slat, the second inclined plate；One end of transverse slat and first
The upper end of inclined plate is mutually fixed, and the other end of transverse slat and the upper end of the second inclined plate are mutually fixed, on the first inclined plate upper end to the second inclined plate
The distance at end is less than the first inclined plate lower end to the distance of the second inclined plate lower end.
Further, transverse slat is equipped with upper pedestal, upper pedestal is equipped with gap slot and hole slot, gap slot and hole slot phase
Logical, connecting plate is inserted into upper pedestal from gap slot, and the end of the first connecting shaft is located in hole slot.
Further, lower base is equipped with gap slot and hole slot, gap slot and hole slot are communicated, and connecting plate is from gap slot
Across lower base, the end of the second connecting shaft is located in hole slot, and lower base is located at the lower section of upper pedestal.
Further, damping piece is mild steel.
Further, the lower end of the first inclined plate and the lower end of the second inclined plate are equipped with bottom plate.
Further, multiple damping pieces between curved plate and rotation steel plate are uniformly distributed.
Generally speaking, the present invention has the advantage that
During damping energy dissipation, the damping piece being in contact with the inner wall of through hole on curved plate first occurs shearing and becomes
Shape, so that the effect of damping energy dissipation is played, when the displacement difference between curved plate and rotation steel plate is larger, on curved plate
Damping piece (being equipped with those of damping rubber damping piece) generation that the inner wall of through hole is not in contact is shear-deformable, thus further
The effect of damping energy dissipation is played, damping can be enhanced in damping rubber, adapts to the earthquake of varying strength.The damping device can
Multistage anti seismic efficiency may be implemented by deformation energy consumption, the mild steel steel connection of this energy consuming mechanism has convenient construction and easily pacifies
Dress, involvement connect feature detachable, that energy dissipation capacity is good and stable.Steel have good ultimate bearing capacity, can be made
Hingedly, concrete does not just become.First connecting shaft, the second connecting shaft, sliding block are split type structures, facilitate installation.
Detailed description of the invention
Fig. 1 is the main view that energy consuming mechanism is mounted on upper beam and underbeam.
Fig. 2 is the left view of energy consuming mechanism.
Fig. 3 is the perspective view of energy consuming mechanism.
Fig. 4 is rotation steel plate and the packaged perspective view matched of shear steel.
Fig. 5 is the perspective view for rotating steel plate.
Fig. 6 is the perspective view shearing bloom, the first connecting shaft, the second connecting shaft, sliding block and assembling.
Fig. 7 is the perspective view of bracket.
Fig. 8 is the structural schematic diagram of damping piece.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
It is now attached to what is occurred in Figure of description for the ease of uniformly checking each appended drawing reference inside Figure of description
Icon note is unitedly described as follows:
1 is upper beam, and 2 be underbeam, and 3 be bracket, and 4 be rotation steel plate, and 5 be shearing bloom, and 6 be beam slab, and 7 be damping piece, and 8 are
Lower base, 9 be upper pedestal, and 10 be the first connecting shaft, and 11 be the second connecting shaft, and 12 be sliding block, and 3-1 is the first inclined plate, and 3-2 is cross
Plate, 3-3 are the second inclined plate, and 3-4 is bottom plate, and 5-1 is connecting plate, and 5-2 is curved plate, and 5-3 is the sliding slot on connecting plate, 7-1
For the first cylindrical portion, 7-2 is the first rotary table portion, and 7-3 is the second rotary table portion, and 7-4 is the second cylindrical portion, and 8-1 is on lower base
Gap slot, 8-2 are the hole slot on lower base, and 9-1 is the gap slot on upper pedestal, and 9-2 is the hole slot on upper pedestal.
For sake of convenience, now hereafter described orientation is described as follows: hereafter described front-rear direction up and down and Fig. 1
The orientation of the projection of itself is consistent.
In conjunction with shown in Fig. 1, Fig. 2, Fig. 3, a kind of energy consuming mechanism connecting upper beam and underbeam, the beam including being fixed on upper beam
Plate is fixed on the bracket of underbeam, the rotation steel plate being fixed on beam slab, shears bloom, the first connecting shaft, and the second connecting shaft is slided
Block, multiple damping pieces.Beam slab is fixed on the lower end surface of upper beam, and the upper end for rotating steel plate is fixed on beam slab, the lower end of bracket with
Underbeam is mutually fixed.It rotates steel plate and is equipped with lower base, rotate steel plate and lower base is an entirety, integrated structure rotates steel
Plate is plate-like, vertical to place.In conjunction with shown in Fig. 3, Fig. 4, Fig. 6, shearing bloom includes integrally formed connecting plate and curved plate,
Connecting plate and curved plate are an entirety, integrated structure, and curved plate is located at the lower end of connecting plate.In conjunction with Fig. 3, Fig. 4, figure
Shown in 6, connecting plate is pivotally rack-mount by the first connecting shaft, and connecting plate can be with respect to holder pivots, connecting plate
It is equipped with sliding slot, i.e., opens up the sliding slot of a through-hole on the middle position of connecting plate, sliding slot is in rectangle, and sliding block is slidably set
In in the sliding slot of connecting plate, i.e., sliding block is placed in sliding slot, and sliding block can slide in sliding slot.First connecting shaft and second connects
Spindle is horizontally disposed, and is arranged along front-rear direction, and the first connecting shaft extends vertically through connecting plate, and the second connecting shaft is vertical
Through sliding block, connecting plate runs through lower base, and the second connecting shaft and lower base are pivotally installed together, and the second connecting shaft is under
Pedestal can relatively rotate, and the second connecting shaft and sliding block can also relatively rotate.One end of damping piece is connected on curved plate,
The other end of damping piece is connected on rotation steel plate.
As shown in connection with fig. 4, there are two types of the fit systems of damping piece and curved plate, the first is: some of damping pieces
Circumference side be equipped with damping rubber, these damping rubbers cover on the circumference side of corresponding damping piece, and damping rubber is located at
In the through-hole of curved plate, there are gaps for the inner wall of the through hole of damping rubber and curved plate.Remaining damping piece does not have then
Damping rubber, these remaining damping pieces are directly through the through-hole at curved plate, and these remaining damping pieces and curved plate
The inner wall of upper through hole is in contact, then during damping energy dissipation, is in contact with the inner wall of through hole on curved plate
Damping piece first occurs shear-deformable, to play the effect of damping energy dissipation, when rotation steel plate and shears the displacement difference between bloom
When larger, the damping piece (being equipped with those of damping rubber damping piece) not being in contact with the inner wall of through hole on curved plate occurs
Shear-deformable, to further function as the effect of damping energy dissipation, damping is can be enhanced in damping rubber, adapts to varying strength
Earthquake.
As shown in connection with fig. 4, second of the fit system of damping piece and curved plate is: curved plate is equipped with multiple logical
Hole, the inner walls of some of through holes of curved plate are equipped with damping rubber, and damping piece passes through damping rubber, damping rubber and
There are gaps between damping piece.Remaining damping piece is then without damping rubber, these remaining damping pieces are directly through arc-shaped steel
Through-hole at plate, and these remaining damping pieces are in contact with the inner wall of through hole on curved plate, then in damping energy dissipation mistake
Cheng Zhong, the damping piece being in contact with the inner wall of through hole on curved plate first occur it is shear-deformable, to play damping energy dissipation
Effect is not in contact when the displacement difference between rotation steel plate and shearing bloom is larger with the inner wall of through hole on curved plate
Damping piece those of (be equipped with damping rubber damping piece) occur it is shear-deformable, to further function as the effect of damping energy dissipation,
Damping can be enhanced in damping rubber, adapts to the earthquake of varying strength.
As shown in connection with fig. 8, damping piece includes the first cylindrical portion that is integrally formed and being connected in turn, the first rotary table
Portion, the second rotary table portion, the second cylindrical portion.First cylindrical portion is located in the through-hole of curved plate, and the second cylindrical portion is located at rotation steel
In the through-hole of plate, damping piece is symmetrical centered on the intersection in the first rotary table portion and the second rotary table portion, and the width of damping piece is from the
It is gradually increased during the intersection to the first cylindrical portion in one rotary table portion and the second rotary table portion, the width of damping piece is round from first
It is gradually increased during the intersection to the second cylindrical portion in platform portion and the second rotary table portion.Damping piece is mild steel.
As shown in connection with fig. 7, bracket includes integrally formed first inclined plate, transverse slat, the second inclined plate；First inclined plate, transverse slat,
Two inclined plates are an entirety, integrated structure.One end (left end) of transverse slat and the upper end of the first inclined plate are mutually fixed, transverse slat it is another
The upper end of end (right end) and the second inclined plate is mutually fixed, and the distance of the first inclined plate upper end to the second inclined plate upper end is less than under the first inclined plate
The distance to the second inclined plate lower end is held, i.e. bracket is that top is narrow, lower hem width, such supporting & stablizing.
In conjunction with shown in Fig. 3, Fig. 7, for bracket behind rotation steel plate, the front end face of transverse slat is equipped with upper pedestal, upper pedestal
Be equipped with gap slot and hole slot, gap slot be from top to bottom through upper pedestal, the axis of hole slot be it is horizontal and from front to back,
Gap slot and hole slot communicate, and connecting plate is inserted into upper pedestal from gap slot, and the width (left and right directions) of connecting plate is less than gap slot
Width (left and right directions), i.e., the inner wall at the gap slot of connecting plate and upper pedestal is there are enough gaps, and connecting plate is in upper pedestal
Gap slot at have enough swing spaces, the end of the first connecting shaft is located in hole slot.
In conjunction with shown in Fig. 4, Fig. 5, rotates steel plate and lower base is integrated structure, be an entirety.Lower base is equipped with
Gap slot and hole slot, gap slot are from top to bottom through lower base, and the axis of hole slot is horizontal and from front to back, gap slot
It is communicated with hole slot, connecting plate passes through lower base from gap slot, and the width (left and right directions) of connecting plate is less than the width of gap slot
There are enough gaps, notch of the connecting plate in lower base for inner wall at the gap slot of (left and right directions), i.e. connecting plate and lower base
There are enough swing spaces at slot, the end of the second connecting shaft is located in hole slot, and lower base is located at the lower section of upper pedestal.
The lower end of first inclined plate and the lower end of the second inclined plate are equipped with bottom plate, and bottom plate and underbeam are fixed together.
Multiple damping pieces between curved plate and rotation steel plate are uniformly distributed.
The working principle of this energy consuming mechanism: when an earthquake occurs, upper beam and underbeam are sent out on (left and right directions) in the horizontal direction
Raw relative displacement, upper beam drive rotation steel plate, and underbeam drives bracket, and upper beam drives rotation steel plate to swing with respect to bracket, and then makes
It obtains curved plate and rotation steel plate occurs relative movement or swings relatively, so that damping piece deforms, the change of damping piece
Shape can play the effect of damping energy dissipation, when curved plate and rotation steel plate relatively move, sliding slot of the sliding block in connecting plate
Interior generation relative displacement.During damping energy dissipation, the damping piece being in contact with the inner wall of through hole on curved plate first occurs
It is shear-deformable, so that the effect of damping energy dissipation is played, when the displacement difference between rotation steel plate and curved plate is larger, with arc
Damping piece (being equipped with those of damping rubber damping piece) generation that the inner wall of through hole is not in contact on steel plate is shear-deformable, thus
The effect of damping energy dissipation is further functioned as, damping can be enhanced in damping rubber, adapts to the earthquake of varying strength, realizes more
Grade antidetonation.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (10)
1. a kind of energy consuming mechanism for connecting upper beam and underbeam, it is characterised in that: the beam slab including being fixed on upper beam is fixed on underbeam
Bracket, the rotation steel plate being fixed on beam slab, shear bloom, the first connecting shaft, the second connecting shaft, sliding block, multiple damping pieces；
It rotates steel plate and is equipped with lower base, shearing bloom includes integrally formed connecting plate and curved plate, and connecting plate connects by first
Spindle is pivotally rack-mount, and connecting plate is equipped with sliding slot, and sliding block is slidably placed in the sliding slot of connecting plate, and first
Connecting shaft extends vertically through connecting plate, and the second connecting shaft extends vertically through sliding block, and connecting plate runs through lower base, the second connecting shaft and lower seat
Body is pivotally installed together, and one end of damping piece is connected on curved plate, and the other end of damping piece is connected to rotation steel
On plate.
2. a kind of energy consuming mechanism for connecting upper beam and underbeam described in accordance with the claim 1, it is characterised in that: some of them damping
The circumference side of part is equipped with damping rubber, and damping rubber is located in the through-hole of curved plate, damping rubber and curved plate
There are gaps for the inner wall of through hole.
3. a kind of energy consuming mechanism for connecting upper beam and underbeam described in accordance with the claim 1, it is characterised in that: set on curved plate
There are multiple through-holes, the inner wall of some of through holes of curved plate is equipped with damping rubber, between damping rubber and damping piece
There are gaps.
4. a kind of energy consuming mechanism for connecting upper beam and underbeam described in accordance with the claim 1, it is characterised in that: damping piece includes one
Body forming and the first cylindrical portion being connected in turn, the first rotary table portion, the second rotary table portion, the second cylindrical portion；First cylinder
Portion is located in the through-hole of curved plate, and the second cylindrical portion is located in the through-hole of rotation steel plate, and the width of damping piece is from the first rotary table
Be gradually increased during the intersection to the first cylindrical portion in portion and the second rotary table portion, the width of damping piece from the first rotary table portion and
It is gradually increased during the intersection to the second cylindrical portion in the second rotary table portion.
5. a kind of energy consuming mechanism for connecting upper beam and underbeam described in accordance with the claim 1, it is characterised in that: bracket includes one
Molding first inclined plate, transverse slat, the second inclined plate；One end of transverse slat and the upper end of the first inclined plate are mutually fixed, the other end of transverse slat with
The upper end of second inclined plate is mutually fixed, and the distance of the first inclined plate upper end to the second inclined plate upper end is tiltedly less than the first inclined plate lower end to second
The distance of plate lower end.
6. a kind of energy consuming mechanism for connecting upper beam and underbeam according to claim 5, it is characterised in that: transverse slat is equipped with upper
Pedestal, upper pedestal are equipped with gap slot and hole slot, and gap slot and hole slot communicate, and connecting plate is inserted into upper pedestal from gap slot, the
The end of one connecting shaft is located in hole slot.
7. a kind of energy consuming mechanism for connecting upper beam and underbeam described in accordance with the claim 1, it is characterised in that: lower base is equipped with
Gap slot and hole slot, gap slot and hole slot communicate, and connecting plate passes through lower base from gap slot, and the end of the second connecting shaft is located at
In hole slot, lower base is located at the lower section of upper pedestal.
8. a kind of energy consuming mechanism for connecting upper beam and underbeam described in accordance with the claim 1, it is characterised in that: damping piece is soft
Steel.
9. a kind of energy consuming mechanism for connecting upper beam and underbeam according to claim 5, it is characterised in that: under the first inclined plate
End and the lower end of the second inclined plate are equipped with bottom plate.
10. it is described in accordance with the claim 1 it is a kind of connect upper beam and underbeam energy consuming mechanism, it is characterised in that: curved plate and
Multiple damping pieces between rotation steel plate are uniformly distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810992547.2A CN109208991B (en) | 2018-08-29 | 2018-08-29 | Energy dissipation mechanism for connecting upper beam and lower beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810992547.2A CN109208991B (en) | 2018-08-29 | 2018-08-29 | Energy dissipation mechanism for connecting upper beam and lower beam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109208991A true CN109208991A (en) | 2019-01-15 |
| CN109208991B CN109208991B (en) | 2023-05-30 |
Family
ID=64985532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810992547.2A Active CN109208991B (en) | 2018-08-29 | 2018-08-29 | Energy dissipation mechanism for connecting upper beam and lower beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109208991B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11152929A (en) * | 1997-11-21 | 1999-06-08 | Shimizu Corp | Earthquake resistant reinforcing method for building of steel frame construction |
| JP2006249790A (en) * | 2005-03-11 | 2006-09-21 | Sus Corp | Shear block damper |
| JP2011099520A (en) * | 2009-11-06 | 2011-05-19 | Kajima Corp | Rotational deformation type seismic control device |
| CN106760848A (en) * | 2016-12-22 | 2017-05-31 | 广州大学 | A kind of damper for house bean column node |
| CN106869357A (en) * | 2017-03-23 | 2017-06-20 | 中国石油大学(华东) | A kind of replaceable curved plate damper of two benches power consumption damping sheet |
| CN206328885U (en) * | 2016-12-22 | 2017-07-14 | 广州大学 | A kind of damper for house parallel girder |
-
2018
- 2018-08-29 CN CN201810992547.2A patent/CN109208991B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11152929A (en) * | 1997-11-21 | 1999-06-08 | Shimizu Corp | Earthquake resistant reinforcing method for building of steel frame construction |
| JP2006249790A (en) * | 2005-03-11 | 2006-09-21 | Sus Corp | Shear block damper |
| JP2011099520A (en) * | 2009-11-06 | 2011-05-19 | Kajima Corp | Rotational deformation type seismic control device |
| CN106760848A (en) * | 2016-12-22 | 2017-05-31 | 广州大学 | A kind of damper for house bean column node |
| CN206328885U (en) * | 2016-12-22 | 2017-07-14 | 广州大学 | A kind of damper for house parallel girder |
| CN106869357A (en) * | 2017-03-23 | 2017-06-20 | 中国石油大学(华东) | A kind of replaceable curved plate damper of two benches power consumption damping sheet |
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| Publication number | Publication date |
|---|---|
| CN109208991B (en) | 2023-05-30 |
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