CN216742610U - Compound hierarchical yield damper - Google Patents
Compound hierarchical yield damper Download PDFInfo
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- CN216742610U CN216742610U CN202123025249.2U CN202123025249U CN216742610U CN 216742610 U CN216742610 U CN 216742610U CN 202123025249 U CN202123025249 U CN 202123025249U CN 216742610 U CN216742610 U CN 216742610U
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 17
- 238000005265 energy consumption Methods 0.000 claims abstract description 61
- 238000005452 bending Methods 0.000 claims abstract description 26
- 239000003190 viscoelastic substance Substances 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims abstract 2
- 230000021715 photosynthesis, light harvesting Effects 0.000 claims description 27
- 230000000452 restraining effect Effects 0.000 claims description 20
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000013016 damping Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims 3
- 238000006073 displacement reaction Methods 0.000 abstract description 11
- 230000035939 shock Effects 0.000 abstract description 9
- 239000013013 elastic material Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
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Abstract
The utility model discloses a compound hierarchical yield damper belongs to engineering structure power consumption shock attenuation field. The method comprises the following steps: the energy-saving device comprises a first energy consumption unit, a second energy consumption unit, an upper end plate and a lower end plate; the first energy consumption unit and the second energy consumption unit are arranged between the upper end plate and the lower end plate, and the second energy consumption unit is divided into two parts and is respectively arranged on two sides of the first energy consumption unit along the axial direction. The first energy consumption unit comprises a viscoelastic material layer and a constraint clamping plate, one of the two ends of the constraint clamping plate is fixedly connected with the upper end plate or the lower end plate, and the viscoelastic material layer is arranged between the constraint clamping plates; the second energy consumption unit comprises a bending energy consumption plate, and the upper end and the lower end of the bending energy consumption plate are respectively and fixedly connected to the upper end plate and the lower end plate. The utility model discloses have the compound characteristic of displacement correlation type attenuator and velocity correlation type attenuator, can realize consuming energy stage by stage under the seismic action of not equidimension, provide twice shock attenuation defence line for the structure.
Description
Technical Field
The utility model relates to a compound hierarchical yield attenuator belongs to engineering structure power consumption shock attenuation field.
Background
The single energy consumption form is a problem to be solved urgently in the design of the traditional energy consumption damping damper, and the energy consumption capability of the damper is unstable under the action of a low-intensity earthquake or a strong earthquake due to the fact that the yield displacement cannot be flexibly designed.
The soft steel damper is a displacement-related energy dissipation damper, and mainly utilizes the plastic hysteresis deformation of steel materials to dissipate seismic energy. At present, most of soft steel dampers are designed based on medium-earthquake or strong-earthquake yield energy consumption, and only play an energy consumption role when the deformation reaches the yield displacement of steel with a low yield point under medium-earthquake or large-earthquake, and the earthquake with lower strength does not have energy consumption capability, so that the economy is poorer.
The viscoelastic damper belongs to a velocity-dependent energy consumption damper, energy can be consumed as long as relative velocity exists, but a large strain failure test of the viscoelastic damper shows that when the strain amplitude is higher than 150%, the hysteresis curve of the viscoelastic damper becomes an inverse S shape, and the energy consumption performance is unstable under the action of large shock.
Disclosure of Invention
An object of the utility model is to solve traditional power consumption attenuator power consumption form singleness to and the mild steel attenuator does not possess the power consumption ability in lower intensity seismic action, and glutinous elastic damper consumes energy the unstable problem of performance under the macroseism effect, provides a compound hierarchical attenuator of surrendering.
In order to achieve the above object, the utility model provides a following technical scheme: a compound graded yield damper comprising: the energy-saving device comprises a first energy-consuming unit 1, a second energy-consuming unit 2, an upper end plate 3 and a lower end plate 4; the first energy consumption unit 1 and the second energy consumption unit 2 are arranged between the upper end plate 3 and the lower end plate 4, the second energy consumption unit 2 is divided into two parts and is respectively arranged on two sides of the first energy consumption unit 1 along the axial direction, the first energy consumption unit 1 comprises a viscoelastic material layer 11 and a restraining splint 12, one end of two ends of each restraining splint 12 is fixedly connected to the upper end plate 3 or the lower end plate 4, and the viscoelastic material layer 11 is arranged between the adjacent restraining splints 12; the second energy dissipation unit 2 comprises a bending energy dissipation plate 21, and the upper end and the lower end of the bending energy dissipation plate 21 are fixedly connected to the upper end plate 3 and the lower end plate 4 respectively.
Specifically, the number of the restraining splints 12 of the first energy consumption unit 1 is five, wherein the bottom ends of three restraining splints 12 are connected with the top of the lower end plate 4, the top ends of the three restraining splints 12 are disconnected with the bottom of the upper end plate 3, and the disconnection distance is 80mm-100 mm; a restraining splint 12 with the top end connected with the bottom of the upper end plate 3 is arranged between every two restraining splints 12 connected with the top of the lower end plate 4, the bottom end of the restraining splint 12 with the top end connected with the bottom of the upper end plate 3 is disconnected with the top of the lower end plate 4, and the disconnection distance is 80-100 mm.
Preferably, the restraining splints 12 are arranged at equal intervals along the transverse direction, and a viscoelastic material layer 11 is arranged between two adjacent restraining splints 12.
Preferably, the layer 11 of viscoelastic material is disposed so as not to exceed the constraining splint 12 both vertically and axially; the viscoelastic material layer 11 is adhesively connected with the adjacent restraining splint 12.
Preferably, the viscoelastic material layer 11 is a high damping viscoelastic material layer.
Preferably, the bending energy dissipation plates 21 included in the second energy dissipation unit 2 are arranged on both sides of the first energy dissipation unit 1 at equal intervals along the axial direction, the upper ends of the bending energy dissipation plates 21 are welded to the bottom of the upper end plate 3, and the lower ends of the bending energy dissipation plates are welded to the top of the lower end plate 4.
Preferably, the bending energy dissipation plate 21 is hyperbolic in shape and made of a low yield point energy dissipation steel plate.
Preferably, the peripheries of the upper end plate 3 and the lower end plate 4 are provided with reserved bolt holes 5.
Preferably, the restricting splint 12 is welded to the upper end plate 3 and the lower end plate 4.
The utility model has the advantages that:
1. the utility model discloses a low yield point power consumption steel sheet bending plastic deformation and viscous elastic material's shear hysteresis warp power consumption, combined the compound characteristic of displacement correlation type attenuator and velocity correlation type attenuator, the first stage, the viscous elastic material of first power consumption unit just begins the power consumption under the little effect of shaking;
2. the utility model discloses a change the quantity of crooked power consumption board and change the interval of restraint splint and then change the thickness on glutinous elastic material layer and change the yield force of attenuator, can design the attenuator according to the needs of shock attenuation target and exert oneself.
Drawings
Fig. 1 is a schematic diagram of the three-dimensional structure of the present invention.
Fig. 2 is a schematic structural view of the restraint splint and the viscoelastic material layer of the first energy dissipation unit of the present invention.
Fig. 3 is a schematic structural diagram of a bending energy dissipation plate of the second energy dissipation unit of the present invention.
Fig. 4 is a schematic structural diagram of the upper end plate and the lower end plate of the present invention.
Fig. 5 is a schematic view of the present invention applied to a wall type connection.
In the figure: 1-a first energy consuming unit; 11-a layer of viscoelastic material; 12-a restraining splint; 2-a second energy consuming unit; 21-bending the energy dissipation plate; 3-upper end plate; 4-lower end plate; and 5, reserving bolt holes.
Detailed Description
In order to make the above features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. It should be noted that the drawings of the present invention are simplified and use non-precise ratios, and are only used for the purpose of facilitating and clearly assisting the description of the embodiments of the present invention.
Example 1: as shown in fig. 1 to 4, the utility model relates to a compound hierarchical bumper shock absorber that yields, include: the energy-saving device comprises a first energy-consuming unit 1, a second energy-consuming unit 2, an upper end plate 3 and a lower end plate 4; the first energy consumption unit 1 and the second energy consumption unit 2 are arranged between the upper end plate 3 and the lower end plate 4, and the second energy consumption unit 2 is divided into two parts and is respectively arranged on two sides of the first energy consumption unit 1 along the axial direction. The first energy consumption unit 1 comprises a viscoelastic material layer 11 and constraint splints 12, one end of each constraint splint 12 is fixedly connected to the upper end plate 3 or the lower end plate 4, and the viscoelastic material layer 11 is arranged between the adjacent constraint splints 12; the second energy consumption unit 2 comprises a bending energy consumption plate 21, the upper end and the lower end of the bending energy consumption plate 21 are respectively and fixedly connected to the upper end plate 3 and the lower end plate 4, and the peripheries of the upper end plate 3 and the lower end plate 4 are respectively provided with a reserved bolt hole 5.
As shown in fig. 1 and fig. 2, the first energy dissipation unit 1 of the present invention comprises five restraint splints 12, and four viscoelastic material layers 11 are disposed between the five restraint splints 12; the viscoelastic material layer 11 is a high damping viscoelastic material layer; the viscoelastic material layer 11 does not exceed the constraint splint 12 along the vertical direction and the axial direction when being arranged; the viscoelastic material layer 11 is adhesively connected with the adjacent restraining splint 12. In order to enable the energy dissipation and shock absorption characteristics of the first energy dissipation unit to be stably exerted, the bottom ends of three restraint clamp plates 12 in the five restraint clamp plates 12 of the first energy dissipation unit 1 are connected with the top of the lower end plate 4, the top ends of the three restraint clamp plates are disconnected with the bottom of the upper end plate 3, and the disconnection distance is 80-100 mm, so that the three restraint clamp plates 12 and the lower end plate 4 can be enabled to jointly generate axial displacement; a restraint splint 12 with the top end connected with the bottom of the upper end plate 3 is arranged between every two restraint splints 12 connected with the top of the lower end plate 4, the bottom end of the restraint splint 12 with the top end connected with the bottom of the upper end plate 3 is disconnected with the top of the lower end plate 4, and the disconnection distance is 80-100 mm, so that the two restraint splints 12 can be axially displaced together with the upper end plate 3.
As shown in fig. 1 and 3, the curved dissipative sheet 21 of the second dissipative unit 2 of the present invention is hyperbolic in shape and made of a low yield point dissipative steel sheet. In order to improve the energy consumption capability of the first energy consumption unit 1 under a large earthquake, the second energy consumption units 2 are arranged on two sides of the first energy consumption unit 1 along the axial direction, the upper ends of the bending energy consumption plates 21 included in the second energy consumption units 2 are welded and connected with the bottom of the upper end plate 3, and the lower ends of the bending energy consumption plates are welded and connected with the top of the lower end plate 4.
As shown in fig. 4, the utility model discloses an upper end plate and lower end plate, in order to improve the utility model discloses the convenience of installation when using, the periphery of upper end plate 3 and lower end plate 4 all is equipped with reserve bolt hole 5.
The utility model discloses a theory of operation is: as shown in fig. 5, the utility model discloses an installation utilizes to connect the wall limb to connect between the frame roof beam through wall formula connected mode, and when the earthquake takes place, the frame roof beam of structure takes place horizontal displacement and drives glutinous elastic material layer 11 and adjacent restraint splint 12 production relative displacement of first power consumption unit 1 through connecting wall limb and upper end plate 3 and lower end plate 4, drives the crooked power consumption board 21 production bending deformation of second power consumption unit 2 simultaneously. Under the action of a small earthquake, the bending energy consumption plate of the second energy consumption unit 2 does not reach the yield displacement due to bending deformation and does not participate in energy consumption, and the viscoelastic material layer 11 of the first energy consumption unit 1 is sheared, hysteretic and deformed to realize energy consumption; under the action of medium and large earthquakes, the first energy consumption unit 1 can still generate energy consumption and shock absorption effects, the bending energy consumption plate 21 of the second energy consumption unit 2 achieves yield displacement due to bending deformation to generate plastic yield and participate in energy consumption, and at the moment, the first energy consumption unit 1 and the second energy consumption unit 2 both participate in earthquake energy dissipation. The energy consumption in stages is realized under the earthquake action of different strengths, and two damping defense lines are provided for the structure.
The utility model discloses the basis provides the antidetonation conceptual design principle of line of defence is established to the multichannel for the structure, the power consumption shock attenuation advantage of glutinous elastic material and the low two kinds of materials of yield point steel has been combined, the first stage, the glutinous elastic material layer 11 of first power consumption unit 1 just begins to consume energy under the effect of little shake, the crooked power consumption board 21 that has compensatied second power consumption unit 2 needs relative displacement to reach the shortcoming that the yield could consume energy, the fatigue resistance of crooked power consumption board 21 has been improved simultaneously, the second stage, the crooked power consumption board 21 of second power consumption unit 2 gets into the yield under well shake or the effect of major earthquake, first power consumption unit 1 consumes energy with second power unit 2 jointly, under the effect of major earthquake, glutinous elastic material layer 11 power consumption performance reduces, crooked power consumption board 21's power consumption improves by a wide margin, the not enough of glutinous elastic material layer 11 has been compensated.
The composite type graded yield damper provided by the invention is described in detail above, but the invention is not limited to the implementation. Meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (9)
1. The utility model provides a compound hierarchical yield attenuator which characterized in that: the method comprises the following steps: the energy-saving device comprises a first energy-consuming unit (1), a second energy-consuming unit (2), an upper end plate (3) and a lower end plate (4); the first energy consumption unit (1) and the second energy consumption unit (2) are arranged between the upper end plate (3) and the lower end plate (4), the second energy consumption unit (2) is divided into two parts and is respectively arranged on two sides of the first energy consumption unit (1) along the axial direction, the first energy consumption unit (1) comprises a viscoelastic material layer (11) and a restraining splint (12), one end of each restraining splint (12) is fixedly connected to the upper end plate (3) or the lower end plate (4), and the viscoelastic material layer (11) is arranged between the restraining splints (12); the second energy consumption unit (2) comprises a bending energy consumption plate (21), and the upper end and the lower end of the bending energy consumption plate (21) are fixedly connected to the upper end plate (3) and the lower end plate (4) respectively.
2. A compound graded yield damper as claimed in claim 1, wherein: the restraining splints (12) of the first energy consumption unit (1) are five in number, wherein the bottom ends of three restraining splints (12) are connected with the top of the lower end plate (4), the top ends of the three restraining splints are disconnected with the bottom of the upper end plate (3), and the disconnection distance is 80-100 mm; a restraint splint (12) with the top end connected with the bottom of the upper end plate (3) is arranged between every two restraint splints (12) connected with the top of the lower end plate (4), the bottom end of the restraint splint (12) with the top end connected with the bottom of the upper end plate (3) is disconnected with the top of the lower end plate (4), and the disconnection distance is 80-100 mm.
3. A compound step yield damper as claimed in claim 2, wherein: the restraint splint (12) are arranged at equal intervals along the transverse direction, and a viscoelastic material layer (11) is arranged between every two adjacent restraint splints (12).
4. A compound graded yield damper as claimed in claim 3, wherein: the viscoelastic material layer (11) does not exceed the restraint splint (12) along the vertical direction and the axial direction when being arranged; the viscoelastic material layer (11) is connected with the adjacent constraint splint (12) in an adhesion way.
5. A compound step yield damper as claimed in claim 1 or 3, wherein: the viscoelastic material layer (11) is a high damping viscoelastic material layer.
6. A compound graded yield damper as claimed in claim 1, wherein: the bending energy dissipation plates (21) contained in the second energy dissipation units (2) are arranged on two sides of the first energy dissipation units (1) at equal intervals along the axial direction, the upper ends of the bending energy dissipation plates (21) are connected with the bottom of the upper end plate (3) in a welding mode, and the lower ends of the bending energy dissipation plates are connected with the top of the lower end plate (4) in a welding mode.
7. A compound-type graded yield damper as claimed in claim 1 or 6, wherein: the bending energy dissipation plate (21) is in a hyperbolic shape and is made of a low-yield-point energy dissipation steel plate.
8. A compound graded yield damper as claimed in claim 1, wherein: the periphery of upper end plate (3) and lower end plate (4) all is equipped with reserve bolt hole (5).
9. A compound graded yield damper as claimed in claim 1, wherein: the connection modes of the constraint splint (12), the upper end plate (3) and the lower end plate (4) are all welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123025249.2U CN216742610U (en) | 2021-12-06 | 2021-12-06 | Compound hierarchical yield damper |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123025249.2U CN216742610U (en) | 2021-12-06 | 2021-12-06 | Compound hierarchical yield damper |
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| CN216742610U true CN216742610U (en) | 2022-06-14 |
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| CN202123025249.2U Active CN216742610U (en) | 2021-12-06 | 2021-12-06 | Compound hierarchical yield damper |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115233853A (en) * | 2022-08-25 | 2022-10-25 | 兰州理工大学 | Fishbone-shaped metal energy dissipation damper and installation and use method thereof |
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2021
- 2021-12-06 CN CN202123025249.2U patent/CN216742610U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115233853A (en) * | 2022-08-25 | 2022-10-25 | 兰州理工大学 | Fishbone-shaped metal energy dissipation damper and installation and use method thereof |
| CN115233853B (en) * | 2022-08-25 | 2024-01-30 | 兰州理工大学 | Fishbone type metal energy consumption damper and installation and use method thereof |
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