CN218205006U - Modular multistage metal yield type attenuator - Google Patents
Modular multistage metal yield type attenuator Download PDFInfo
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- CN218205006U CN218205006U CN202222215490.XU CN202222215490U CN218205006U CN 218205006 U CN218205006 U CN 218205006U CN 202222215490 U CN202222215490 U CN 202222215490U CN 218205006 U CN218205006 U CN 218205006U
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Abstract
The utility model relates to the technical field of seismic isolation and reduction of buildings, in particular to a combined multistage metal yield damper; the energy dissipation components in various forms are connected in series or in parallel, a limiting groove is formed in an upper connecting plate, a middle connecting plate is arranged on the upper portion of the energy dissipation components in series or in parallel, a limiting block is fixed on the middle connecting plate, the limiting block is partially inserted into the limiting groove of the upper connecting plate, the top of the limiting block is lower than the top of the limiting groove, the length of the limiting block is shorter than that of the limiting groove, when the first energy dissipation component reaches a positioning movement, the limiting block is in contact with the limiting groove to push the second energy dissipation component to generate a displacement, and by analogy, the energy dissipation components in series or in parallel can realize multi-stage yielding, and the force can be superposed, so that the problem that energy can be dissipated by small-earthquake, medium-earthquake and large earthquake is solved.
Description
Technical Field
The utility model relates to a building subtracts isolation bearing technical field, especially relates to a modular multistage metal yield type attenuator.
Background
In earthquake-prone areas, high-rise buildings often adopt structures such as cabinet frames, shear walls, cabinet scissors and the like to improve the shock resistance, but the size of a beam column needs to be increased to meet the requirements of strength and rigidity of the structure, the using amount of reinforced concrete needs to be increased, and the manufacturing cost is increased.
With the continuous improvement of the social and economic level and the continuous development of the technical level, people realize that the seismic isolation and reduction technology of buildings can also meet the requirements of 'no damage by small earthquake, repairable by medium earthquake and no fall by large earthquake'. Therefore, in many seismic isolation and reduction technologies, a relatively mature buckling restrained brace, a viscous damper, other displacement-related dampers, speed-related dampers, a composite type energy dissipation damper, a seismic isolation rubber support and the like are provided. The metal yield damper has the advantages of simple structure, low manufacturing cost, easy production and installation and good energy absorption and dissipation capacity, and is a damping technology with stable structure and advanced technology.
The conventional metal yield damper only has a single yield point and cannot meet the requirements of large vibration and small vibration on energy consumption at the same time.
Therefore, a combined multi-order metal yielding damper structure is provided, and the purpose of multi-order yielding energy consumption is achieved through the combination of various metal yielding dampers, so that the problem that energy consumption can be realized by small earthquakes (wind vibration), medium earthquakes and large earthquakes is solved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a modular multistage metal yields type attenuator, establish ties or parallelly connected together through the power consumption component with the multiform, and open the spacing groove on the upper junction plate, establish an intermediate junction plate on series connection or parallelly connected power consumption component upper portion, be fixed with the spacing piece on the intermediate junction plate, the spacing groove of stopper part insert the upper junction plate, wherein the stopper top is less than the spacing groove top, stopper length weak point is in spacing groove length, after first power consumption component reaches a location and moves, stopper and spacing groove contact, promote second power consumption component and produce the displacement, so on and so on, series connection or parallelly connected a plurality of power consumption components alright realize multistage surrender, and power can superpose, solve the problem that the big shake of little jolt and shake can consume energy with this.
In order to solve the technical problem, the utility model adopts the following technical scheme:
a combined multi-order metal yield damper mainly comprises an upper connecting plate and a lower connecting plate which are connected with a main building structure and an energy dissipation structure arranged between the upper connecting plate and the lower connecting plate, wherein the upper connecting plate is provided with a limiting groove, the lower part of a middle energy dissipation component is fixed on the lower connecting plate, the top of a first-order energy dissipation component is fixed on the upper connecting plate, the tops of other energy dissipation components are fixed on the middle connecting plate, the top of the middle connecting plate is fixed with a limiting block, the limiting block is partially inserted into the limiting groove of the upper connecting plate, and the length of the limiting groove is slightly greater than that of the limiting block; the energy dissipation members are mainly divided into a shearing type, a bending type and a U type, multiple types of energy dissipation members can be freely combined according to damping parameters and then are transversely or longitudinally arranged between an upper connecting plate and a lower connecting plate, under the condition of small shock or wind shock, the first-order energy dissipation members yield and dissipate energy, under the condition of medium shock or large shock, along with the increase of the displacement of the first-order energy dissipation members, the limiting blocks are in contact with the limiting grooves, loads are transmitted to the other energy dissipation members, and the other energy dissipation members yield and participate in energy dissipation, so that the aim of multi-order yield energy dissipation is fulfilled.
Furthermore, the shearing energy dissipation member is mainly formed by welding flange plates, stiffening ribs and rectangular energy dissipation plates, the bending energy dissipation member is formed by a plurality of energy dissipation plates with variable cross sections, and the U-shaped energy dissipation member is formed by oppositely welding two or more U-shaped energy dissipation plates.
Furthermore, the upper connecting plate is provided with a limiting groove, the limiting groove can be provided with one or more rows, and the cross section of the connecting plate after being provided with the groove can bear the tension and compression load of the damper.
Furthermore, the limiting block is fixed on the intermediate connection plate, a certain gap is reserved between the limiting block and the side face of the limiting groove during assembly, the limiting block can move freely, the gap between the end part of the limiting block and the end part of the limiting groove is a displacement value at which second-order yield displacement starts, and after the displacement of the first energy consumption component reaches the value, the limiting groove is in contact with the limiting block to drive the second energy consumption component to start acting, so that multi-step energy consumption can be realized.
Furthermore, the first energy consumption component and the subsequent energy consumption component have a certain height difference, so that the design displacement of the first energy consumption component is ensured to be larger than that of the subsequent energy consumption component.
Furthermore, the top of the limiting block is lower than the top of the upper connecting plate, so that the first energy dissipation component is guaranteed to have a height difference in the action process and cannot enable the subsequent energy dissipation component to bear vertical load.
Furthermore, the shearing energy dissipation component, the bending energy dissipation component and the U-shaped energy dissipation component can be combined at will.
Further, the plurality of energy dissipation members may be arranged in a transverse direction or a longitudinal direction.
Furthermore, the fixing modes of the energy dissipation member, the upper connecting plate, the middle connecting plate and the lower connecting plate can be welding, bolt connection or other connecting modes, and the fixing modes of the limiting block and the middle connecting plate can be weldment, bolt connection or other connecting modes.
Furthermore, the upper connecting plate is provided with a limiting groove, the arrangement mode of the limiting groove is single, multiple, side by side or other arrangement modes, and the limiting groove is square, kidney-shaped or other shapes.
Furthermore, the shape of the limiting blocks is rectangular, kidney-shaped or other shapes, the length of the limiting blocks is shorter than that of the kidney-shaped grooves of the upper connecting plate, and the arrangement mode of the limiting blocks is single, multiple side-by-side or other arrangement modes.
Furthermore, the energy consumption steel plates of different shearing type energy consumption components can be made of steel materials with the same or different materials, plate thicknesses and yield strengths.
Further, there is sufficient clearance between the upper connection plate and the intermediate connection plate.
Furthermore, the stiffening ribs of the shear type energy dissipation member can be arranged transversely or longitudinally, and can be arranged on a single surface or arranged on two surfaces.
Compared with the prior art, the utility model discloses beneficial effect:
the damper has the advantages that various types of energy dissipation components can be combined and arranged at will, the structure is stable, the form is simple and flexible, the multi-stage yield energy dissipation of the damper is realized under the condition that only little cost is added, the height difference is allowed to exist in the structure, and the structural design can easily meet the requirement that the design displacement of the first-order energy dissipation component is larger than that of the subsequent energy dissipation component.
The utility model provides a structural style through the combination of single or multiple form power consumption component, can realize multistage yield power consumption, satisfies the requirement that the wind shakes and shakes big shake and all can consume energy.
The utility model discloses a utility model principle introduces: the limiting groove is formed in the upper connecting plate, the first-order energy consumption component is completely fixed on the upper connecting plate and the lower connecting plate, the lower part of the subsequent energy consumption component is fixed on the lower connecting plate, the upper part of the subsequent energy consumption component is connected with the middle connecting plate, the top of the middle connecting plate is fixedly provided with the limiting block, the limiting block is inserted into the limiting groove, the top of the limiting groove is higher than the top of the limiting block, a gap between the limiting groove and the limiting block is controlled, after the first energy consumption component reaches a certain position and moves, the limiting block is in contact with the limiting groove to push the second energy consumption component to move, and by analogy, several energy consumption components are added when energy consumption is needed, and the purpose of energy consumption of large earthquakes in wind vibration is achieved.
If the connecting plate is narrow, the limiting groove can be provided with only one groove, but the maximum shearing force born by the connection of the limiting block and the middle connecting plate is larger than the maximum shearing force born by the connection of the energy dissipation member and the connecting plate, and if the connecting plate is wide, two or more limiting grooves are provided as far as possible.
Drawings
Fig. 1 is a schematic structural view according to embodiment 1 of the present invention;
fig. 2 is a sectional view according to embodiment 1 of the present invention;
fig. 3 is a schematic structural view according to embodiment 2 of the present invention;
fig. 4 is a three-dimensional schematic view according to embodiment 2 of the present invention;
fig. 5 is a schematic structural view according to embodiment 3 of the present invention;
fig. 6 is a schematic structural view according to embodiment 4 of the present invention.
Fig. 7 is a three-dimensional schematic view according to embodiment 4 of the present invention;
fig. 8 is a schematic structural view according to embodiment 5 of the present invention.
Fig. 9 is a three-dimensional schematic diagram according to embodiment 5 of the present invention.
In the figure, 1: an upper connecting plate; 2: a first limiting block; 3: a first intermediate connecting plate; 4-1: a first energy consumption plate; 4-2: a first flange plate; 4-3: a first stiffening rib; 5: a lower connecting plate; 6-1: a second energy consumption plate; 6-2: a second flange plate; 6-3: a second stiffening rib; 7: a second limiting block; 8: a second intermediate connecting plate; 9-1: a third energy consumption plate; 9-2: a flange plate III; 9-3: a third stiffening rib; 10: a curved energy dissipation plate; 11: u type power consumption board.
Detailed Description
As shown in fig. 1 to 9, in order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
As shown in fig. 1 and 2, a structural schematic diagram of a combined multistage metal yielding damper comprises a lower connecting plate 5, an upper connecting plate 1 provided with a limiting groove, a first energy dissipation member comprising an energy dissipation plate 6-1, a flange plate 6-2 and a stiffening rib 6-3, a second energy dissipation member comprising an energy dissipation plate 4-1, a flange plate 4-2 and a stiffening rib 4-3, a middle connecting plate 3 and a first limiting block 2 fixed on the middle connecting plate 3, wherein the first energy dissipation member and the second energy dissipation member are arranged transversely side by side, the upper end face and the lower end face of the first energy dissipation member are respectively fixed on the upper connecting plate 1 and the lower connecting plate 5, the lower end face of the second energy dissipation member is fixed on the lower connecting plate 5, the upper end face is fixed on the middle connecting plate 3, the first limiting block 2 is fixed on the middle connecting plate 3, part of the first limiting block 2 is inserted into the limiting groove of the upper connecting plate 1, the length of the first limiting block 2 is longer than that of the stiffening rib, the first energy dissipation plate 4-1 and the energy dissipation plate 6-1 and the stiffening rib 6-1 are made of the same material, the stiffening rib 4-3 and the stiffening rib 6-3 are arranged transversely, and the stiffening rib 3 are arranged on both sides.
The working process of the embodiment is as follows: the upper connecting plate 1 and the lower connecting plate 5 are respectively connected with a building main body structure, the middle energy consumption component I and the energy consumption component II are connected in series, the upper part of the energy consumption component II is not fixedly connected with the upper connecting plate 1, so that the energy consumption component I yields and consumes energy under the condition of small earthquake or wind earthquake, the energy consumption component I generates larger displacement under the condition of medium earthquake or large earthquake, the limiting block I2 is contacted with the limiting groove, load is transmitted to the energy consumption component II, the energy consumption component II yields, and at the moment, the energy consumption component I and the energy consumption component II consume energy simultaneously.
Example 2
As shown in fig. 3 and 4, the structural schematic diagram of the double-shearing combined type multistage metal yielding damper comprises a lower connecting plate 5, an upper connecting plate 1 provided with a limiting groove, an energy dissipation member I consisting of an energy dissipation plate 6-1, a flange plate 6-2 and a stiffening rib 6-3, an energy dissipation member II consisting of an energy dissipation plate 4-1, a flange plate 4-2 and a stiffening rib 4-3, a middle connecting plate 3 and a limiting block I2 fixed on the middle connecting plate 3, wherein the energy dissipation member I and the energy dissipation member II are longitudinally arranged side by side, the upper end surface and the lower end surface of the energy dissipation member I are respectively fixed on the upper connecting plate 1 and the lower connecting plate 5, the lower end surface of the energy dissipation member II is fixed on the lower connecting plate 5, the upper end surface is fixed on the middle connecting plate 3, the limiting block I2 is partially inserted into the limiting groove of the upper connecting plate 1, the length of the limiting groove is larger than that of the limiting block I2, the energy dissipation plate 4-1 and the energy dissipation plate 6-1 and the stiffening rib 4-3 are transversely arranged, and the stiffening rib 3-3 are arranged as single-3.
Example 3
As shown in FIG. 5, a schematic structural diagram of a three-shearing combined type multistage metal yield damper comprises a lower connecting plate 5, an upper connecting plate 1 provided with a limiting groove, an energy dissipation member I consisting of an energy dissipation plate 6-1, a flange plate 6-2 and a stiffening rib 6-3, an energy dissipation member II consisting of an energy dissipation plate 4-1, a flange plate 4-2 and a stiffening rib 4-3, an energy dissipation member III consisting of an energy dissipation plate 9-1, a flange plate 9-2 and a stiffening rib 9-3, an intermediate connecting plate 3, a limiting block I2 fixed on the intermediate connecting plate 3, an intermediate connecting plate 8 and a limiting block 7 fixed on the intermediate connecting plate 8, wherein the upper end face and the lower end face of the energy dissipation member I are respectively fixed on the upper connecting plate 1 and the lower connecting plate 5, the lower end faces of the energy dissipation member II and the energy dissipation member III are fixed on the lower connecting plate 5, the upper end faces are respectively fixed on the intermediate connecting plate 3 and the intermediate connecting plate 7, the limiting block I2 is fixed on the intermediate connecting plate 3, the limiting block I2 is fixed on the intermediate connecting plate 7, the limiting block 7 is partially inserted into the groove of the upper connecting plate 1, the stiffening rib 6-3, the stiffening rib 3 and the stiffening rib 3 are arranged longitudinally, the limiting block II, the limiting plate 3, the stiffening rib 3 and the stiffening rib 3 are arranged in the same length, and the limiting block 3, and the stiffening rib 3 are arranged in the same length, and the limiting block 3-3, the longitudinal direction, the limiting block 1-3, the limiting block 3-3.
Example 4
As shown in fig. 6 and 7, a schematic structural diagram of a shearing-type and bending-type combined multi-step metal yielding damper includes a lower connecting plate 5 and an upper connecting plate 1 with limiting grooves, an energy dissipation member i consisting of an energy dissipation plate 6-1, a flange plate 6-2 and stiffening ribs 6-3, an energy dissipation member ii consisting of a plurality of bending-type energy dissipation plates 10 side by side, a middle connecting plate 3 and a limiting block i 2 fixed on the middle connecting plate 3, wherein the upper end face and the lower end face of the energy dissipation member i are respectively fixed on the upper connecting plate 1 and the lower connecting plate 5, the lower end face of the energy dissipation member i is fixed on the lower connecting plate 5, the upper end face is fixed on the middle connecting plate 3, two limiting blocks i 2 are fixed on the middle connecting plate 3, the limiting blocks i 2 are partially inserted into the limiting grooves, wherein the length of the limiting grooves is greater than that of the limiting blocks i 2, the bending-type energy dissipation plate 10 and the shearing-1 are made of energy dissipation steel plates made of different materials, the stiffening ribs 6-3 are transversely arranged, the stiffening ribs 6-3 are arranged side by side, and the limiting blocks i.
Example 5
As shown in fig. 8 and 9, the structural schematic diagram of the bent and U-shaped combined multi-step metal yielding damper includes a lower connecting plate 5 and an upper connecting plate 1 with a limiting groove, a first energy dissipation member consisting of a plurality of bent energy dissipation plates 10 arranged side by side, a second energy dissipation member consisting of two energy dissipation plates 11 arranged in an opposite manner, a middle connecting plate 3 and a first limiting block 2 fixed on the middle connecting plate 3, wherein the upper and lower end surfaces of the first energy dissipation member are respectively fixed on the upper connecting plate 1 and the lower connecting plate 5, the lower end surface of the second energy dissipation member is fixed on the lower connecting plate 5, the upper end surface of the second energy dissipation member is fixed on the middle connecting plate 3, the first limiting block 2 is fixed on the middle connecting plate 3, and the first limiting block 2 is partially inserted into the limiting groove, wherein the length of the limiting groove is greater than that of the first limiting block 2, and the energy dissipation plates 10 and the energy dissipation plates 11 are made of energy dissipation steel plates made of different materials.
Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.
Claims (8)
1. A combined multi-order metal yield damper is characterized in that: the energy-consuming component comprises a lower connecting plate (5), an upper connecting plate (1) with a limiting groove is arranged, two or more energy-consuming components are connected between the upper connecting plate (1) and the lower connecting plate (5), the upper end face and the lower end face of each first-order energy-consuming component are respectively fixedly connected with the upper connecting plate (1) and the lower connecting plate (5), the lower end faces of the rest energy-consuming components are fixedly connected with the lower connecting plate (5), the upper end face is fixedly connected with an intermediate connecting plate (3), a limiting block (2) is fixed to the top of the intermediate connecting plate (3), and the limiting block (2) is partially inserted into the limiting groove of the upper connecting plate (1).
2. The combined multi-step metal yield damper as claimed in claim 1, wherein: the energy dissipation component mainly comprises three types including a shearing type, a bending type and a U type, the shearing type energy dissipation component is mainly formed by welding flange plates, stiffening ribs and rectangular energy dissipation plates in a splicing mode, the bending type energy dissipation component is formed by a plurality of energy dissipation plates (10) with variable cross sections, and the U type energy dissipation component is formed by oppositely assembling and welding two or more U type energy dissipation plates (11).
3. The combined multi-step metal yield damper as claimed in claim 1, wherein: the fixing modes of the energy dissipation member, the upper connecting plate (1), the middle connecting plate (3) and the lower connecting plate (5) can be welding and bolt connection, and the fixing modes of the limiting block (2) and the middle connecting plate (3) can be weldment and bolt connection.
4. The combined multi-step metal yield damper as claimed in claim 1, wherein: the upper connecting plate (1) is provided with a limiting groove, the arrangement mode of the limiting groove is single or multiple, the limiting groove is arranged side by side, and the limiting groove is square and kidney-shaped.
5. The combined multi-step metal yield damper as claimed in claim 1, wherein: the shape of stopper (2) is rectangle, waist shape, and stopper (2) upper surface is less than upper junction plate (1) upper surface, and stopper (2) length weak point is in the length of upper junction plate (1) kidney groove, and the arrangement mode of stopper (2) is single, a plurality of side by side.
6. The combined multi-step metal yield damper as claimed in claim 1, wherein: the energy-consuming steel plates of different shearing type energy-consuming components can be made of steel with the same or different materials, plate thicknesses and yield strengths.
7. The combined multi-step metal yield damper as claimed in claim 1, wherein: an enough gap is reserved between the upper connecting plate (1) and the middle connecting plate (3).
8. The combined multi-step metal yield damper as claimed in claim 1, wherein: the stiffening ribs of the shear type energy dissipation component can be arranged transversely or longitudinally, and can be arranged on a single side or on two sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202222215490.XU CN218205006U (en) | 2022-08-23 | 2022-08-23 | Modular multistage metal yield type attenuator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222215490.XU CN218205006U (en) | 2022-08-23 | 2022-08-23 | Modular multistage metal yield type attenuator |
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| CN218205006U true CN218205006U (en) | 2023-01-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115387489A (en) * | 2022-08-23 | 2022-11-25 | 震安科技股份有限公司 | Multi-order multi-type combination metal damper |
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- 2022-08-23 CN CN202222215490.XU patent/CN218205006U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115387489A (en) * | 2022-08-23 | 2022-11-25 | 震安科技股份有限公司 | Multi-order multi-type combination metal damper |
| CN115387489B (en) * | 2022-08-23 | 2024-01-02 | 震安科技股份有限公司 | Multi-order multi-type combined metal damper |
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