CN207453163U - A kind of sublevel energy consumption metal damper - Google Patents
A kind of sublevel energy consumption metal damper Download PDFInfo
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- CN207453163U CN207453163U CN201720902788.4U CN201720902788U CN207453163U CN 207453163 U CN207453163 U CN 207453163U CN 201720902788 U CN201720902788 U CN 201720902788U CN 207453163 U CN207453163 U CN 207453163U
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Abstract
The utility model discloses a kind of sublevel energy consumption metal dampers, include the first connecting plate and the second connecting plate parallel and be oppositely arranged；It is additionally provided between first connecting plate and second connecting plate：At least one piece first straight steel plate of energy consumption, the upper and lower side of the straight steel plate of first energy consumption are respectively perpendicular connection first connecting plate and the second connecting plate；Two second energy consumption curved plates are arranged symmetrically in the left and right sides in the straight steel plate length direction of first energy consumption；The bending mouth of the second energy consumption curved plates is backwards to the described first straight steel plate of energy consumption, and the upper and lower side of the second energy consumption curved plates connects first connecting plate and the second connecting plate respectively.The utility model forms in a manner that shear energy dissipation straight panel is combined with shearing " U " property Wasted-energy steel plate and surrenders metal damper stage by stage, has and surrenders ability stage by stage under good small shake and big shake；And the utility model replacement component simple in structure, at low cost, easy to repair, it is with good economic efficiency.
Description
Technical field
The utility model is related to damper designs technical fields, and in particular to a kind of sublevel energy consumption metal damper.
Background technology
Metal damper is a kind of passive energy dissipation component most commonly seen in Structural Engineering.Metal damper uses metal material
Expect good plastic deformation ability, it, can be in engineering structure by external influence through rationally designing its structure type and mechanics parameter
When (such as wind load, geological process) take the lead in surrender and consumed energy, so as to ensure the safety of agent structure.
Metal damper has the following problems in design and performance etc.：
1. existing metal damper is usually all that bearing capacity is larger, while size is also just larger, resulted in production,
Inconvenience during transport, installation, and the manufacture craft of entire metal damper is complex, construction is not simple enough.
2. existing metal damper consumes energy, mechanism is single, most of to meet small shake and requirement when shaking greatly simultaneously,
Part damper designs yield displacement is big, can only play the role of energy-dissipating and shock-absorbing under big shake, and elastic stage is then in during small shake,
Energy consumption is less or seismic energy is dissipated by agent structure；
3. although another part damper yield displacement is smaller, surrender energy consumption when disclosure satisfy that small shake, when big shake also have compared with
Good energy consumption and ductile performance, but this kind of damper often increases the additional stiffness of structure, and then geological process is caused to be imitated
The increase answered, is unfavorable for earthquake-resistant structure.
4. core Energy dissipating material is low surrender steel in existing metal damper, but low surrender steel price in the market
Costly, it is 2-4 times of common iron, project cost is higher.
Utility model content
To solve the above-mentioned problems, the utility model provides one kind by combining to realize by a variety of dissipative members
The combined of shearing-type collective effect energy consumption surrenders metal damper stage by stage, and solving existing metal damper cannot expire simultaneously
The technical issues of sufficient wind shake, inconvenient small shake and big shake energy consumption requirement and installation and maintenance.
For this purpose, the utility model provides a kind of sublevel energy consumption metal damper, include it is parallel and be oppositely arranged the
One connecting plate and the second connecting plate；It is additionally provided between first connecting plate and second connecting plate：
At least one piece first straight steel plate of energy consumption, the upper and lower side of the straight steel plate of first energy consumption are respectively perpendicular connection described first
Connecting plate and the second connecting plate；
Two second energy consumption curved plates are arranged symmetrically in the left and right sides in the straight steel plate length direction of first energy consumption；Institute
The bending mouth of the second energy consumption curved plates is stated backwards to the described first straight steel plate of energy consumption, and the second energy consumption curved plates is upper and lower
End connects first connecting plate and the second connecting plate respectively.
It is preferred that the straight steel plate of first energy consumption is set along the length direction of first connecting plate, the second connecting plate；
Be provided with two or more than two the first straight steel plate of energy consumption between first connecting plate and second connecting plate, two pieces or
Two pieces or more of the first straight steel plate of energy consumption is ranked sequentially along the width of first connecting plate, the second connecting plate.
It is preferred that the straight steel plate of first energy consumption uses rectangle opening shearing-type energy-consumption plate.
It is preferred that being provided with several perforates on the straight steel plate of first energy consumption, each perforate is along perpendicular to described first
The direction extension of connecting plate, the second connecting plate, several perforates are along the direction parallel to first connecting plate, the second connecting plate
It is ranked sequentially.
It is preferred that the both ends of the second energy consumption curved plates have parallel to the first connecting plate, the second connecting plate it is flat
Platform section.
It is preferred that the second energy consumption curved plates are in inverted " u "-shaped, the platform section of upper and lower side is respectively with described the
One connecting plate, the connection of the second connecting plate.
It is preferred that it is ranked sequentially on the one side that the second energy consumption curved plates consume energy straight steel plate backwards to described first more
A arcuate rib, the arcuate rib are extended along the bending direction of the described second energy consumption curved plates
It is preferred that leave gap between the second energy consumption curved plates and the straight steel plate of first energy consumption.
It is preferred that the gap is 2-5mm.
It is preferred that the yield strength of the straight steel plate of first energy consumption is less than or equal to the surrender of the described second energy consumption curved plates
Intensity.
The utility model due to using the technology described above, is allowed to compared with prior art, have the following advantages that and accumulate
Pole effect：
Sublevel energy consumption metal damper provided by the utility model, using shear energy dissipation straight panel and shearing " U " property Wasted-energy steel plate
The mode of combination is formed surrenders metal damper stage by stage, has and surrenders ability stage by stage under good small shake and big shake；It is protecting
In the case that card damper size is constant, the tonnage of damper can be effectively improved, reduces the space of damper, easily facilitates peace
Dress, construction.Meanwhile distortion of the second energy consumption curved plates to the first straight steel plate of energy consumption is efficiently used, protect building structure
Safety, improve comfortable quality of building.Moreover, the utility model is simple in structure, adjacent steel plate is welded directly together, so
Replacement component at low cost, easy to repair, it is with good economic efficiency；After violent earthquake, damping can replaced every time
Device, old metal damper material can process re-using, compare environmental protection and economy.
Description of the drawings
With reference to attached drawing, pass through the above-mentioned and other spy for stating detailed description, being more clearly understood that the utility model hereafter
It seeks peace advantage, wherein：
Fig. 1 is the structure diagram of sublevel provided by the utility model energy consumption metal damper；
Fig. 2 is the connection signal between the straight steel plate of the first energy consumption and the first connecting plate, the second connecting plate in the utility model
Figure；
Fig. 3 is the structure diagram of the first straight steel plate of energy consumption in the utility model；
Fig. 4 is the structure diagram of the second energy consumption curved plates in the utility model；
Fig. 5 is that the utility model hysteresis loop, the material constitutive that are simulated in finite element software ABAQUS are taken etc. to strong
Change model；
Fig. 6 is the skeleton curve that hysteresis loop is simulated in Fig. 5.
Specific embodiment
Referring to the attached drawing for showing the utility model embodiment, the utility model is described in more detail.However, this reality
It can be realized in many different forms with new, and should not be construed as being limited by the embodiment herein proposed.On the contrary, it proposes
These embodiments be in order to reach fully and complete disclosure, and make those skilled in the art understand completely this practicality newly
The scope of type.In these attached drawings, for clarity, the size and relative size in layer and region may be exaggerated.
With reference to Fig. 1-4, the utility model provides a kind of sublevel energy consumption metal damper, includes parallel and is oppositely arranged
The first connecting plate 1 and the second connecting plate 2；At least one piece first consumption is additionally provided between first connecting plate 1 and the second connecting plate 2
Directly the energy consumption of steel plate 3 and two second curved plates 4, the upper and lower side of the first straight steel plate 3 of energy consumption it can be respectively perpendicular the first connecting plate 1 of connection
With the second connecting plate 2；Two second energy consumption curved plates 4 are arranged symmetrically in the left and right two of straight 3 length direction of steel plate of the first energy consumption
Side；The bending mouth of second energy consumption curved plates 4 is backwards to the first straight steel plate 3 of energy consumption, and the upper and lower side of the second energy consumption curved plates 4 divides
The first connecting plate 1 and the second connecting plate 2 are not connected.
Sublevel provided by the utility model consumes energy metal damper, in small shake, the first straight steel plate of energy consumption first into
Enter to surrender working stage, own；In the case of big shake, the first straight steel plate weakened part of energy consumption, as the first straight steel plate of energy consumption
Supplement, second energy consumption curved plates arc area deformed by curved, using steel plastic history realize energy consumption, from
And reach the extraneous input energy of attenuation, so the second energy consumption curved plates for being arranged on the straight steel plate both sides of the first energy consumption provide laterally
It constrains and undertakes the energy consumption effect under big shake effect.
The utility model forms surrender gold stage by stage in a manner that shear energy dissipation straight panel is combined with shearing " U " property Wasted-energy steel plate
Belong to damper, have and surrender ability stage by stage under good small shake and big shake；In the case where ensureing that damper size is constant, energy
The tonnage of damper is enough effectively improved, reduces the space of damper, easily facilitates installation, construction.Meanwhile efficiently use the second consumption
Energy curved plates protect the safety of building structure, improve comfortable quality of building to the distortion of the first straight steel plate of energy consumption.Moreover,
The utility model is simple in structure, and adjacent steel plate is welded directly together, so replacement component at low cost, easy to repair, tool
There is good economic benefit；Damper after violent earthquake, can be being replaced every time, and old metal damper material can add
Work re-uses, and compares environmental protection and economy.
The utility model solves existing metal damper cannot meet wind shake, small shake and big shake energy consumption requirement simultaneously, with
And installation and maintenance it is inconvenient the technical issues of.
In the present embodiment, the first connecting plate 1 and the second connecting plate 2 are the Rectangular Plate Structure of specification shape always, first
Connecting plate 1 relatively and is arranged in parallel with the second connecting plate about 2.
In the present embodiment, the first connecting plate 1, be respectively provided on the second connecting plate 2 there are four bolt hole, the first connecting plate 1,
There are two respectively being arranged on second connecting plate, 2 both ends, as shown in figs. 1-2；Damper provided by the utility model connects by first
Fishplate bar 1, the bolt hole on the second connecting plate 2 are simultaneously equipped with high-strength bolt, realize being fastenedly connected between structural construction.Certainly,
It should be noted that the form being fastenedly connected between the first connecting plate 1, the second connecting plate 2 and structural construction is not limited to bolt company
It connects, type of attachment common in the art is such as welded or riveted the type of attachment being suitably applied in the utility model and also answers
Fall into the scope of protection of the utility model.
In the present embodiment, the first straight steel plate 3 of energy consumption is vertically arranged between the first connecting plate 1 and the second connecting plate 2, and
The first straight steel plate 3 of energy consumption is set along the length direction of the first connecting plate 1, the second connecting plate 2, as shown in Figure 2；First
Consume energy the upper and lower side of straight steel plate 3, fixed is connected by weld etc. that modes realize between the first connecting plate 1, the second connecting plate 2
It connects.Wherein, the setting quantity of the first straight steel plate 3 of energy consumption can be adjusted according to the tonnage that damper needs, and be not limited herein；
Energy-dissipating property of the damper under different yield displacements can be changed by changing the quantity of the first straight steel plate 3 of energy consumption, so as to come
Meets the needs of different.
When being provided with the straight steel plate 3 of two or more first energy consumptions between the first connecting plate 1 and the second connecting plate 2
When, two or more first straight steel plates 3 of energy consumption along the first connecting plate 1, the second connecting plate 2 width order between
Every arrangement, the straight steel plate 3 of adjacent first energy consumption is opposite and parallel, as shown in Figure 2.
In the present embodiment, the first straight steel plate 3 of energy consumption is a rectangle opening shearing-type energy-consumption plate.Specifically, such as institute in Fig. 3
Show, several perforates 301 are provided on the first straight steel plate 3 of energy consumption, and perforate 301 is in strip；Each perforate 301 is along perpendicular to the
The direction extension of one connecting plate 1, the second connecting plate 2, while several perforates 301 connect along parallel to the first connecting plate 1, second
The direction sequence interval arrangement of fishplate bar 2.Wherein, the big I of perforate 301 is set according to the demand of bearing capacity, is not limited herein
System.The utility model can be by controlling the width of perforate 301 so that the deformability of the first straight 3 upper and lower side of steel plate of energy consumption obtains
To giving full play to, reach optimal energy dissipation capacity.
In the present embodiment, the second energy consumption curved plates are respectively provided with platform section 401 in two ends about 4, and platform section 401 is flat
Row is connected in the first connecting plate 1, the second connecting plate 2, the both ends convenient for the second energy consumption curved plates 4 with the first connecting plate 1, second
Plate 2 connects.
Specifically, as shown in Figure 4, the second energy consumption curved plates 4 are in inverted " u "-shaped, the platform section point of upper and lower side
Weld together respectively with the first connecting plate 1, the second connecting plate 2.Certainly, in other embodiments, the second energy consumption curved plates 4
Structure type be not limited to the above, can also be adjusted place as the case may be, not be limited herein.
In the present embodiment, as shown in Figure 4, the second energy consumption curved plates 4 are on the one side of the first straight steel plate 3 of energy consumption
Multiple arcs rib 5 is ranked sequentially, arcuate rib 5 is extended along the bending direction of the second energy consumption curved plates 4；Arcuate rib 5
Specifically in inverted " u "-shaped, it is fixed on by modes such as welding on the second energy consumption curved plates 4.
Second energy consumption curved plates 4 are U-typed bending energy-wasting plate, according to its physical characteristic, the change of U-typed bending energy-wasting plate
Shape ability is larger, increases its rigidity by increasing arcuate rib 5, U-typed rib is with steel plate inside by being welded to connect；Wherein, arc
The quantity of shape rib 5 can rationally be set according to the width of connecting plate and the demand of bearing capacity, be not limited herein.
In the present embodiment, left between the arch section of the second energy consumption curved plates 4 and the first straight 3 side wall of steel plate of energy consumption
Gap.Stronger, the setting in gap in view of " u "-shaped steel plate deformed ability, playing prevents that the second energy consumption is curved during deformation
Bent steel plate 4 contacts to limit the effect of its deformability with the first straight steel plate 3 of energy consumption.Wherein, it is preferred that gap is value model
It encloses for 2-5mm.
In the present embodiment, the yield strength of the first straight steel plate of energy consumption is strong less than or equal to the surrender of the second energy consumption curved plates
Degree.Further, the yield strength of the first straight steel plate 3 of energy consumption is more than or equal to 225MPa, less than or equal to 345MPa, the second energy consumption
The yield strength of curved plates 4 is more than or equal to 235MPa, so as to form apparent dual surrender mechanism.Need what is illustrated
It is to surrender shearing-type the energy consumption parameter request of metal damper due to being located at the building on different earthquake band stage by stage also not
It is identical, thus according to actual needs and the Wasted-energy steel plate of arbitrary yield strength that selects as the straight steel plate of the first energy consumption or second
Energy consumption curved plates should all fall into the scope of protection of the utility model.
In the present embodiment, the thickness of the first straight steel plate 3 of energy consumption is less than or equal to 20mm, the thickness of the second energy consumption curved plates 4
Degree is more than 20mm.There is binodal surrender by the restriction of above-mentioned size with the damper of guarantee in the utility model；If not according to
The requirement is not in binodal surrender mechanism although damper can also have good energy dissipation capacity.
Fig. 5-6 is referred again to, Fig. 5 is the hysteresis loop of the utility model, and hysteresis loop is in the case where power moves in circles effect, is obtained
It is that damper energy dissipation capacity most intuitively reacts to external load-deformation curve of structure；Hysteresis loop Damping device is repeatedly
Deformation behaviour, Stiffness Deterioration and energy expenditure in loading process.
Fig. 6 is the skeleton curve of Fig. 5, by the load-deformation curve of equidirectional (draw or press) loading, is once added more than preceding
The curve that the section translation of load maximum stress obtains after being connected is known as skeleton curve.Skeleton curve is that each CYCLIC LOADING reaches
The track of horizontal force peak-peak, reflect damper stress and deformation each different phase and characteristic (intensity, rigidity are prolonged
Property, energy consumption), also it is to determine the important evidence of characteristic point in resilience model.
From Fig. 6, we, can be preferable this it appears that the utility model has the first yield point and the second yield point
There are double rank surrender energy consumption mechanism.
Those skilled in the art should be understood that the utility model can be realized with many other concrete forms without de-
Spirit or scope from itself.Although the case study on implementation of the utility model has been described, it should be understood that the utility model should not limit
Be made as these embodiments, those skilled in the art can as defined by the following claims the spirit of the utility model and
Within the scope of make change and modification.
Claims (10)
- The metal damper 1. a kind of sublevel consumes energy, which is characterized in that include the first connecting plate that is parallel and being oppositely arranged and the Two connecting plates；It is additionally provided between first connecting plate and second connecting plate：At least one piece first straight steel plate of energy consumption, the upper and lower side of the straight steel plate of first energy consumption are respectively perpendicular connection first connection Plate and the second connecting plate；Two second energy consumption curved plates are arranged symmetrically in the left and right sides in the straight steel plate length direction of the first energy consumption；Described The bending mouth of two energy consumption curved plates is backwards to the described first straight steel plate of energy consumption, and the upper and lower side of the second energy consumption curved plates divides First connecting plate and the second connecting plate are not connected.
- The metal damper 2. sublevel according to claim 1 consumes energy, which is characterized in that the straight steel plate of first energy consumption along First connecting plate, the length direction of the second connecting plate are set；It is set between first connecting plate and second connecting plate Two or more than two the first straight steel plate of energy consumption is equipped with, two or more than two the first straight steel plate of energy consumption is along described first Connecting plate, the width of the second connecting plate are ranked sequentially.
- The metal damper 3. sublevel according to claim 1 or 2 consumes energy, which is characterized in that the straight steel plate of first energy consumption Using rectangle opening shearing-type energy-consumption plate.
- The metal damper 4. sublevel according to claim 3 consumes energy, which is characterized in that set on the straight steel plate of first energy consumption Several perforates are equipped with, each perforate extends along perpendicular to the direction of first connecting plate, the second connecting plate, several perforate edges The direction parallel to first connecting plate, the second connecting plate is ranked sequentially.
- The metal damper 5. sublevel according to claim 1 consumes energy, which is characterized in that the second energy consumption curved plates Both ends have the platform section parallel to the first connecting plate, the second connecting plate.
- The metal damper 6. sublevel according to claim 5 consumes energy, which is characterized in that the second energy consumption curved plates are in Inverted " u "-shaped, the platform section of upper and lower side are connected respectively with first connecting plate, the second connecting plate.
- 7. the sublevel energy consumption metal damper according to claim 1 or 6, which is characterized in that the second energy consumption bent steel Backboard has been ranked sequentially multiple arcs rib on the one side of the described first straight steel plate of energy consumption, and the arcuate rib is consumed along described second The bending direction of energy curved plates is extended.
- 8. the sublevel energy consumption metal damper according to claim 1 or 6, which is characterized in that the second energy consumption bent steel Gap is left between plate and the straight steel plate of first energy consumption.
- The metal damper 9. sublevel according to claim 8 consumes energy, which is characterized in that the gap is 2-5mm.
- The metal damper 10. sublevel according to claim 1 consumes energy, which is characterized in that the straight steel plate of first energy consumption Yield strength is less than or equal to the yield strength of the described second energy consumption curved plates.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720902788.4U CN207453163U (en) | 2017-07-24 | 2017-07-24 | A kind of sublevel energy consumption metal damper |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720902788.4U CN207453163U (en) | 2017-07-24 | 2017-07-24 | A kind of sublevel energy consumption metal damper |
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| CN207453163U true CN207453163U (en) | 2018-06-05 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107419815A (en) * | 2017-07-24 | 2017-12-01 | 上海应用技术大学 | A kind of sublevel power consumption metal damper |
| CN111287344A (en) * | 2020-02-12 | 2020-06-16 | 青岛理工大学 | Shock-absorbing and collapse-preventing combined structure |
| CN111945912A (en) * | 2020-07-20 | 2020-11-17 | 北京工业大学 | Integral replacement type U-shaped damper with waveform energy dissipation part |
-
2017
- 2017-07-24 CN CN201720902788.4U patent/CN207453163U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107419815A (en) * | 2017-07-24 | 2017-12-01 | 上海应用技术大学 | A kind of sublevel power consumption metal damper |
| CN111287344A (en) * | 2020-02-12 | 2020-06-16 | 青岛理工大学 | Shock-absorbing and collapse-preventing combined structure |
| CN111287344B (en) * | 2020-02-12 | 2021-04-06 | 青岛理工大学 | Shock-absorbing and collapse-preventing combined structure |
| CN111945912A (en) * | 2020-07-20 | 2020-11-17 | 北京工业大学 | Integral replacement type U-shaped damper with waveform energy dissipation part |
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