CN219672279U - Soft steel viscoelastic composite damper - Google Patents
Soft steel viscoelastic composite damper Download PDFInfo
- Publication number
- CN219672279U CN219672279U CN202321347259.4U CN202321347259U CN219672279U CN 219672279 U CN219672279 U CN 219672279U CN 202321347259 U CN202321347259 U CN 202321347259U CN 219672279 U CN219672279 U CN 219672279U
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- energy
- viscoelastic
- plate
- hyperbolic
- viscoelastic body
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 53
- 239000010959 steel Substances 0.000 title claims abstract description 53
- 239000002131 composite material Substances 0.000 title claims abstract description 14
- 238000005265 energy consumption Methods 0.000 claims abstract description 29
- 230000021715 photosynthesis, light harvesting Effects 0.000 claims description 10
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 229910001209 Low-carbon steel Inorganic materials 0.000 claims 4
- 239000000853 adhesive Substances 0.000 claims 2
- 230000001070 adhesive effect Effects 0.000 claims 2
- 238000010008 shearing Methods 0.000 abstract description 12
- 238000013016 damping Methods 0.000 abstract description 4
- 230000000452 restraining effect Effects 0.000 abstract description 2
- 230000008901 benefit Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003190 viscoelastic substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Abstract
The utility model discloses a soft steel viscoelastic composite damper, which comprises an upper connecting plate, a hyperbolic energy-consuming web, a viscoelastic body, a side steel plate and a lower connecting plate, wherein the upper connecting plate is connected with the lower connecting plate; the double-line curved energy-consuming web plate is arranged between the two side steel plates, a viscoelastic body is arranged between the middle double-line curved energy-consuming web plate and the side steel plates, the upper end of the double-line curved energy-consuming web plate is fixedly connected with the upper connecting plate, and the lower end of the side steel plate is fixedly connected with the lower connecting plate. The utility model realizes staged energy consumption, has smaller structural deformation under the condition of most earthquakes, mainly uses the viscoelastic energy consumption device to consume energy, and utilizes the shearing deformation of the viscoelastic body to increase the damping energy consumption of the structure; the structure becomes large in deformation under rare earthquakes, the hyperbolic energy-dissipating web plate is subjected to shear deformation and jointly dissipates energy through the viscoelastic energy-dissipating device, and the side steel plates and the viscoelastic body play a role in restraining the hyperbolic energy-dissipating web plate, so that the hyperbolic energy-dissipating web plate fully exerts the energy-dissipating capacity of the hyperbolic energy-dissipating web plate in shear deformation.
Description
Technical Field
The utility model relates to a soft steel viscoelastic composite damper, in particular to a hyperbolic web shearing type soft steel damper and a rubber viscoelastic damper, and belongs to the technical field of energy dissipation and shock absorption of buildings.
Background
The energy dissipation and shock absorption technology has the advantages of good shock absorption effect, clear mechanism, simple structure, easy maintenance and the like. The damper is arranged in the structure, so that the dynamic response of the structure can be reduced, and the aim of protecting the building is fulfilled. The damper is widely applied to existing building reinforcement and newly built buildings, and has good social benefit and economic advantage.
The soft steel viscoelastic composite damper has the composite characteristics of a displacement-related damper and a speed-related damper through the shear deformation of the soft steel and the shear deformation energy consumption of the viscoelastic material. Under the action of earthquake or strong wind, the soft steel damper keeps elasticity, and the viscoelastic damper consumes energy through the viscoelastic material. Under the rare earthquake action, the soft steel damper and the visco-elastic damper work together to consume energy. However, the existing damper has complex overall structure, is inconvenient to manufacture and disassemble, and is inconvenient for standardized production.
Disclosure of Invention
The utility model provides a soft steel viscoelastic composite damper, which is constructed by combining a hyperbolic energy-consumption web plate with viscoelastic bodies at two sides and side steel plates, and effectively solves the problems that the whole structure of the existing damper is complex, the manufacturing and the disassembly are inconvenient, and the standardized production is inconvenient.
The technical scheme of the utility model is as follows: a soft steel viscoelastic composite damper comprises an upper connecting plate, a first lower connecting plate, a second lower connecting plate, a first side steel plate, a second side steel plate, a first viscoelastic body, a second viscoelastic body and a hyperbolic energy dissipation web; wherein, hyperbolic form power consumption web sets up between two side steel sheets, and is viscoelastic body between steel sheet and the hyperbolic form power consumption web, and hyperbolic form power consumption web upper end and upper junction plate fixed connection, first side steel sheet and second side steel sheet lower extreme and lower junction plate (and second lower junction plate fixed connection respectively).
Preferably, the first viscoelastic body and the second viscoelastic body are composed of a middle portion and two end portions, and the middle portion and the two end portions are provided with displacement dislocation gaps.
Preferably, one side of the hyperbolic energy-dissipating web and the first side steel plate are adhesively connected through the first viscoelastic body middle part, and the other side of the hyperbolic energy-dissipating web and the second side steel plate are adhesively connected through the second viscoelastic body middle part.
Preferably, the two first side steel plates and the second side steel plates are fixedly connected with the two end parts of the viscoelastic body through bolts.
Preferably, the first viscoelastic body and the second viscoelastic body are made of viscoelastic rubber.
The beneficial effects of the utility model are as follows: the utility model realizes staged energy consumption, the structural deformation is smaller under most earthquakes, the energy consumption is mainly carried out by the viscoelastic energy consumption device, the damping energy consumption of the structure is increased by utilizing the shearing deformation of the viscoelastic body, the structural deformation is large under rare earthquakes, the energy consumption is carried out jointly by the shearing deformation of the hyperbolic energy consumption web and the viscoelastic energy consumption device, and the side steel plates and the viscoelastic body play a constraint role on the hyperbolic energy consumption web, so that the hyperbolic energy consumption web fully exerts the energy consumption capacity of the shearing deformation of the hyperbolic energy consumption web; the damper has the advantages of simple integral structure, convenient manufacture and disassembly, convenient standardized production due to the fact that main component parts are made of conventional materials, good economic benefit, clear damping mechanism, avoidance of the defect of a single type of damper and excellent mechanical property.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of a structural assembly of the present utility model;
FIG. 3 is a side view of the present utility model;
FIG. 4 is a schematic view of a partially cut-away perspective structure of the present utility model;
FIG. 5 is a schematic view of a viscoelastic body portion of the present utility model;
in the figure: 1. the device comprises an upper connecting plate, a first lower connecting plate, a second lower connecting plate, a first side steel plate, a first viscoelastic body, a hyperbolic energy dissipation web, a second viscoelastic body, a second side steel plate, a bolt and a connecting plate.
Description of the embodiments
The utility model will be further described with reference to the drawings and examples, but the utility model is not limited to the scope.
Example 1: 1-5, a soft steel viscoelastic composite damper comprises an upper connecting plate 1, a hyperbolic energy-consumption web 6, a buckling restrained part and a lower connecting plate; wherein, double-curved energy dissipation web 6 sets up between two buckling restrained parts, and double-curved energy dissipation web 6 upper end and upper junction plate 1 fixed connection, double-curved energy dissipation web 6 lower extreme and lower junction plate fixed connection.
Further, one side of the hyperbolic energy-dissipating web 6 and the first side steel plate 4 are adhesively connected through the middle part of the first viscoelastic body 5, and the other side of the hyperbolic energy-dissipating web 6 and the second side steel plate 8 are adhesively connected through the middle part of the second viscoelastic body 7.
Further, the two first side steel plates 4 and the second side steel plates 8 are fixedly connected with the two end parts of the viscoelastic body through bolts.
In the embodiment of the utility model, the first viscoelastic body 5 and the second viscoelastic body 7 are composed of a middle part and two end parts, and displacement dislocation gaps are arranged on the middle part and the two end parts, so that the viscoelastic body can effectively consume energy in shearing deformation and can ensure that the shearing dislocation reaches the displacement limit to be destroyed; meanwhile, the side steel plates and the viscoelastic body play a constraint role on the hyperbolic energy-consuming web plate, so that the hyperbolic energy-consuming web plate fully exerts the energy-consuming capacity of shearing deformation of the hyperbolic energy-consuming web plate.
By the technical scheme, the defect of single energy consumption of the traditional damper is overcome, staged energy consumption is realized, and the damage of the hyperbolic energy consumption web plate in out-of-plane buckling is effectively prevented, so that the damper fails in advance.
The working mechanism of the utility model is as follows:
the utility model realizes staged energy consumption, the structure deformation is smaller under the condition of most earthquakes, the energy consumption is mainly carried out by the viscoelastic energy consumption device, the damping energy consumption of the structure is increased by utilizing the shearing deformation of the viscoelastic body, the energy generated by the structural vibration is transmitted to the damper, the energy generated by the vibration in the period is firstly transmitted to the first viscoelastic body 5 and the second viscoelastic body 7 through the middle first side steel plate 4 and the second side steel plate 8, the viscoelastic body can be subjected to the shearing deformation under the action of external force so as to absorb the transmitted energy, and the energy is converted into heat energy, and finally, the vibration response of the building is reduced; in rare earthquakes, the deformation of the structure is large, the shearing dislocation of the hyperbolic energy-consumption web plate reaches the displacement limit and is propped against the two end parts of the viscoelastic body, and then the shearing deformation of the hyperbolic energy-consumption web plate and the viscoelastic energy-consumption device consume energy together. Meanwhile, the side steel plate and the viscoelastic body play a role in restraining the hyperbolic energy-dissipating web 6, so that the hyperbolic energy-dissipating web 6 fully exerts the energy-dissipating capacity of shear deformation of the hyperbolic energy-dissipating web, and the out-of-plane buckling damage caused by overlarge shear deformation of the hyperbolic energy-dissipating web 6 is effectively prevented.
The utility model comprises a first upper connecting plate, a second lower connecting plate, a first lower connecting plate, a second lower connecting plate, a first side steel plate, a first viscoelastic body, a hyperbolic energy-consuming web, a second viscoelastic body, a second side steel plate, a bolt and a third steel plate, wherein the components are universal standard components or components known to a person skilled in the art, and the structures and principles of the components are known by the person skilled in the art through technical manuals or through routine experimental methods.
While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (5)
1. A soft steel viscoelastic composite damper, characterized in that: the energy-saving device comprises an upper connecting plate (1), a first lower connecting plate (2) and a second lower connecting plate (3), a first side steel plate (4) and a second side steel plate (8), a first viscoelastic body (5) and a second viscoelastic body (7) and a hyperbolic energy-consuming web (6); the double-line curved energy dissipation web plate (6) is arranged between two side steel plates, a viscoelastic body is arranged between the steel plates and the double-line curved energy dissipation web plate, the upper end of the double-line curved energy dissipation web plate (6) is fixedly connected with the upper connecting plate (1), and the lower ends of the first side steel plate (4) and the second side steel plate (8) are respectively and fixedly connected with the lower connecting plate (2) and the second lower connecting plate (3).
2. The mild steel viscoelastic composite damper of claim 1, wherein: the first viscoelastic body (5) and the second viscoelastic body (7) are composed of a middle part and two end parts, and displacement dislocation gaps are formed in the middle part and the two end parts.
3. The mild steel viscoelastic composite damper of claim 1, wherein: one side of the hyperbolic energy-consumption web plate (6) is in adhesive connection with the first side steel plate (4) through the middle part of the first viscoelastic body (5), and the other side of the hyperbolic energy-consumption web plate (6) is in adhesive connection with the second side steel plate (8) through the middle part of the second viscoelastic body (7).
4. The mild steel viscoelastic composite damper of claim 1, wherein: the two first side steel plates (4) and the second side steel plates (8) are fixedly connected with the two ends of the viscoelastic body through bolts.
5. The mild steel viscoelastic composite damper of claim 1, wherein: the first viscoelastic body (5) and the second viscoelastic body (7) are made of viscoelastic rubber.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321347259.4U CN219672279U (en) | 2023-05-30 | 2023-05-30 | Soft steel viscoelastic composite damper |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321347259.4U CN219672279U (en) | 2023-05-30 | 2023-05-30 | Soft steel viscoelastic composite damper |
Publications (1)
Publication Number | Publication Date |
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CN219672279U true CN219672279U (en) | 2023-09-12 |
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Family Applications (1)
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CN202321347259.4U Active CN219672279U (en) | 2023-05-30 | 2023-05-30 | Soft steel viscoelastic composite damper |
Country Status (1)
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CN (1) | CN219672279U (en) |
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2023
- 2023-05-30 CN CN202321347259.4U patent/CN219672279U/en active Active
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