CN210797950U - Viscous friction composite damping wall - Google Patents
Viscous friction composite damping wall Download PDFInfo
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- CN210797950U CN210797950U CN201921310209.2U CN201921310209U CN210797950U CN 210797950 U CN210797950 U CN 210797950U CN 201921310209 U CN201921310209 U CN 201921310209U CN 210797950 U CN210797950 U CN 210797950U
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Abstract
The utility model discloses a viscous friction composite damping wall, belonging to the damping field of building structures, comprising a top plate which is positioned at the upper part and connected with a beam; a bottom plate located at the lower part and connected with the beam; the outer steel box is positioned outside and wraps the other components; liquid which is filled in the outer steel box and provides viscous force; at least two driven friction plates stacked together; at least one driving friction plate clamped between adjacent driven friction plates; a friction material layer disposed between adjacent driving friction plates and driven friction plates; all the active friction plates are provided with active friction plate long holes extending along the length direction; the high-strength bolt is used for connecting all the friction plates along the stacking direction of the friction plates and providing pre-pressure for the viscous friction composite damping wall; and a stiffener connecting the top plate and the driving friction plate or the top plate and the driven friction plate. The utility model discloses the advantage is under equal displacement effect, and the power consumption ability promotes by a wide margin, has greatly increased power consumption efficiency.
Description
Technical Field
The utility model relates to a damping wall, concretely relates to viscous friction composite damping wall belongs to building structure's shock attenuation field.
Background
The placement of friction-type dampers or viscous damping walls in buildings is an important method of reducing the loss of personnel or property to buildings in earthquakes, typhoons or other destructive disasters. The current dampers are more concerned about how to consume more energy input by earthquakes, and the cost and efficiency of the dampers are less concerned. However, more and more engineering projects are required to achieve greater damping forces within limited resources. Therefore, the use of conventional friction-type dampers or viscous damping walls, etc., is becoming increasingly impractical, and the accumulation of quantities is required to be converted to a more efficient mode.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a viscous friction composite damping wall under current damping system, combines viscous damping and two kinds of methods of friction damping for the frame reaches viscous power consumption and the power consumption's of friction dual effect simultaneously under single displacement, under little volume, has greatly had increased the efficiency of power consumption.
The utility model discloses a realize through following technical scheme:
a viscous friction composite damping wall comprises a top plate, a bottom plate, an outer steel box, liquid, at least two driven friction plates and at least one driving friction plate, wherein the top plate is positioned at the upper part of the damping wall and connected with a beam; a friction material layer is arranged between the adjacent driving friction plate and the driven friction plate, and driving friction plate long holes extending along the length direction are formed in all the driving friction plates and the friction material layer; along the stacking direction of the friction plates, the high-strength bolt penetrates through a bolt hole in the driven friction plate and a long hole in the driving friction plate to connect the driven friction plate and the driving friction plate together; the top plate and the driving friction plate or the top plate and the driven friction plate are connected through stiffening ribs.
Further, the high-strength bolt is an outer polygonal nut high-strength bolt or an inner polygonal nut high-strength bolt; the single or multiple rows are arranged on the friction plate.
Further, the combination mode of the driving friction plate and the driven friction plate is divided into that an even number of driven friction plates clamp the driving friction plate or that an even number of driving friction plates clamp the driven friction plate.
Further, the relative position of the driving friction plate and the driven friction plate is that the driving friction plate is arranged below the driven friction plate or the driving friction plate is arranged above the driven friction plate.
Further, the relative height and relative length of the active friction plate in contact with the liquid providing the viscous force may be varied as desired.
Further, the friction material layer is a plate attached to the driving friction plate or the driven friction plate; or a spray material.
The utility model has the advantages that: under the action of external force, the structural frame drives the top plate and the bottom plate to perform dislocation along the length direction, so that the driving friction plate and the driven friction plate are driven to move relatively to generate friction, the driving friction plate shears to provide viscous liquid, the driving friction plate and the driven friction plate dissipate seismic energy, and the safety of a building under an earthquake is protected. By means of the combination of two different energy consumption modes, a larger energy consumption level is achieved under the space condition. The viscous friction composite damping wall can achieve the superposition effect by single displacement motion and energy consumption of two friction and viscous systems.
Drawings
Drawings
Fig. 1 is a schematic structural view of embodiment 1 of a viscous friction composite damping wall according to the present invention;
fig. 2 is a top sectional view of an embodiment 1 of the viscous friction composite damping wall of the present invention;
FIG. 3 is a schematic view of a long hole of an active friction plate of the viscous friction composite damping wall of the present invention;
fig. 4 is a side sectional view of embodiment 1 of a viscous friction composite damping wall of the present invention;
fig. 5 is a schematic structural view of embodiment 2 of a viscous friction composite damping wall of the present invention;
fig. 6 is a top sectional view of an embodiment 2 of the viscous friction composite damping wall of the present invention;
fig. 7 is a frame connection diagram of the viscous friction composite damping wall of the present invention;
FIG. 8 is a schematic view of a wall-type connection of a viscous friction composite damping wall of the present invention;
FIG. 9 is a schematic view of a support-type connection of the viscous friction composite damping wall of the present invention;
FIG. 10 is a schematic view of the supporting connection between the viscous friction composite damping wall and the cantilever wall of the present invention;
FIG. 11 is a schematic view of the supporting connection between the viscous friction composite damping wall and the frame of the present invention;
fig. 12 is a schematic view of a motion mode of the viscous friction composite damping wall of the present invention.
In the figure: 1 is a top plate; 2 is a bottom plate; 3 is an outer steel box; 4 is a liquid for providing viscous force; 5 is a driven friction plate; 6 is an active friction plate; 7 is a friction material layer; 8 is a long hole of the active friction plate; 9 is a high-strength bolt; 10 is a stiffening rib; 11 is a frame beam; 12 is a frame column; 13 is a cantilever wall; 14 is a support; and 15 is a connecting piece.
Detailed Description
The invention will be further explained with reference to the drawings and the specific embodiments.
Example 1
As shown in fig. 1-4, a viscous friction composite damping wall is a structure using inner polygonal high-strength bolts, and comprises a top plate 1 located at the upper part of the viscous friction composite damping wall and connected with a beam; the bottom plate 2 is positioned at the lower part of the viscous friction composite damping wall and connected with the beam; the outer steel box 3 is positioned outside the viscous friction composite damping wall and wraps other components; a viscous liquid 4 filled inside the outer steel tank 3; two driven friction plates 5 stacked together; a driving friction plate 6 clamped between two adjacent driven friction plates 5; a friction material layer 7 disposed between the adjacent driving friction plate 6 and driven friction plate 5; the active friction plate 6 and the friction material layer 7 are both provided with active friction plate long holes 8 extending along the length direction; the high-strength bolt 9 is connected with all the friction plates along the stacking direction of the friction plates and used for providing pre-pressure for the viscous friction composite damping wall; and a stiffener 10 connecting the top plate 1 and the active friction plate 6.
The driven friction plate 5 is provided with holes for only the connection, the holes are bolt-sized holes, and only the driving friction plate 6 moves.
The friction material layer 7 is a small plate attached to the active friction plate 6, and may also be a spray material; the main effect is to create a friction force that is greater compared to the friction between the plates themselves.
The driving friction plate long hole 8 is arranged along the length direction of the driving friction plate 6, the periphery of the driving friction plate long hole 8 is a friction material layer 7, and the driving friction plate long hole 8 is arranged at the lower part of the driving friction plate 6.
The positions and the number of the high-strength bolts 9 correspond to those of the long holes 8 of the driving friction plate, and the high-strength bolts 9 are inner polygonal nut high-strength bolts in the embodiment; the driving friction plate long holes 8 are divided into an upper row and a lower row and are arranged on the driving friction plate 6 and the friction material layer 7.
The top plate 1 and the bottom plate 2 are respectively connected with an upper frame beam 11 and a lower frame beam 11 of the structural frame, the driving friction plate 6 is connected on the top plate 1, the driven friction plate 5 and the outer steel box 3 are connected on the bottom plate 2, the driving friction plate 6 and the driven friction plate 5 are fixedly connected through a high-strength bolt 9, the high-strength bolt 9 extrudes the friction plates to provide pre-pressure to clamp the plates, and liquid 4 providing viscous force is injected into the outer steel box 3 to be in contact with the friction plates and the wall body; under the action of external force, the structural frame drives the top plate 1 and the bottom plate 2 to generate dislocation along the length direction, further drives the driving friction plate 6 and the driven friction plate 5 to generate relative movement, friction is generated, the driving friction plate 6 shears liquid 4 providing viscous force, and accordingly the driving friction plate and the driven friction plate dissipate seismic energy and protect the safety of a building under the earthquake.
Example 2
As shown in fig. 5 and 6, the viscous friction composite damping wall is a structure adopting outer polygonal nut high-strength bolts, the positions and the number of the high-strength bolts 9 correspond to those of the long holes 8 of the active friction plate, and the high-strength bolts 9 are the outer polygonal nut high-strength bolts in the embodiment; the active friction plate long holes 8 are arranged in a row on the active friction plate 6 and the friction material layer 7. The other structure is the same as that of embodiment 1.
Example 3
As shown in fig. 7, four driven friction plates 5 are arranged in the outer steel box 3 and are stacked together; a driving friction plate 6 is arranged between two adjacent driven friction plates 5; the other structure is the same as that of embodiment 1.
Example 4
As shown in fig. 8, the driven friction plate 5 is connected to the top plate 1, the driving friction plate 6 and the outer steel box 3 are connected to the bottom plate 2, and the other structure is the same as that of embodiment 3.
Construction connection mode of viscous friction composite damping wall: as shown in fig. 9, the top plate 1 and the bottom plate 2 of the frame connection are respectively connected with embedded parts on the frame beam 11; as shown in fig. 10, the upper and lower cantilever walls 13 of the wall-type connection middle frame are connected with the top plate 1 and the bottom plate 2 of the viscous friction composite damping wall; as shown in fig. 11, the viscous friction composite damping wall in the supporting connection is connected to the frame by the supports 14 and the connecting members 15.
The motion mode of the viscous friction composite damping wall is shown in fig. 12, when the structure is subjected to wind or earthquake, the outer steel box 3 and the friction plate generate relative speeds, and the speed gradient between the relative speeds enables the liquid 4 providing viscous force to generate damping, so that the dynamic reaction of the structure is reduced.
The construction and installation method of the viscous friction composite damping wall comprises the following steps: pre-installing embedded parts on frame beams 11 on the upper part and the lower part of a frame respectively or performing reinforcement treatment in a reinforcement project to enable a top plate 1 and a bottom plate 2 to be connected with the frame beams 11 on the upper part and the lower part of the structural frame respectively, connecting a driving friction plate 6 on the top plate 1 to move together, similarly connecting a driven friction plate 5 and an outer steel box 3 on the bottom plate 2, fixedly connecting the driving friction plate 6 and the driven friction plate 5, extruding the friction plates through high-strength bolts 9 to provide pre-pressure to clamp the plates, enabling the upper part and the lower part of the whole assembly to be integrated, and injecting liquid 4 providing viscous force into the outer steel box 3 to be in contact with the friction plates and a wall body. The installation is all installed in advance, and the direct hoist during construction can to the assigned position installation.
The viscous friction composite damping wall can be optimized according to specific conditions, and the changeable part mainly comprises the selection and application of main parameters such as the size of a slot, the proportion of a model, the strength of a high-strength bolt and the like.
The above description of the structure, essential features and preferred embodiments of the invention does not have the effect of limiting the functioning of the invention. Therefore, the replacement or modification of the partial devices of the present invention and any work products without novelty in any other forms by those skilled in the art should be included in the protection scope of the present invention under the premise of the spirit or essential features of the present invention.
Claims (6)
1. The utility model provides a viscous friction composite damping wall which characterized in that: the damping wall comprises a top plate (1) positioned at the upper part of the damping wall and connected with a beam, a bottom plate (2) positioned at the lower part of the damping wall and connected with the beam, an outer steel box (3) connected with the bottom plate (2), liquid (4) filled in the outer steel box (3) and providing viscous force, at least two driven friction plates (5) stacked in the outer steel box (3), and at least one driving friction plate (6) clamped between two adjacent driven friction plates (5); friction material layers (7) are arranged between the adjacent driving friction plates (6) and the adjacent driven friction plates (5), and driving friction plate long holes (8) extending along the length direction are formed in all the driving friction plates (6) and the friction material layers (7); along the stacking direction of the friction plates, a high-strength bolt (9) penetrates through a bolt hole in the driven friction plate (5) and a long hole (8) of the driving friction plate to connect the driven friction plate (5) and the driving friction plate (6) together; the top plate (1) and the driving friction plate (6) or the top plate (1) and the driven friction plate (5) are connected through a stiffening rib (10).
2. The viscous friction composite damping wall according to claim 1, characterized in that: the high-strength bolt (9) is an outer polygonal nut high-strength bolt or an inner polygonal nut high-strength bolt; the single or multiple rows are arranged on the friction plate.
3. The viscous friction composite damping wall according to claim 1, characterized in that: the combination mode of the driving friction plates (6) and the driven friction plates (5) is divided into that an even number of driven friction plates (5) clamp the driving friction plates (6) or an even number of driving friction plates (6) clamp the driven friction plates (5).
4. The viscous friction composite damping wall according to claim 1, characterized in that: the relative position of the driving friction plate (6) and the driven friction plate (5) is that the driving friction plate (6) is arranged below the driven friction plate (5) or the driving friction plate (6) is arranged above the driven friction plate (5).
5. The viscous friction composite damping wall according to claim 1, characterized in that: the relative height and length of contact between the active friction plate (6) and the liquid (4) providing the viscous force varies as required.
6. The viscous friction composite damping wall according to claim 1, characterized in that: the friction material layer (7) is a plate attached to the driving friction plate (6) or the driven friction plate (5); or a spray material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921310209.2U CN210797950U (en) | 2019-08-14 | 2019-08-14 | Viscous friction composite damping wall |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921310209.2U CN210797950U (en) | 2019-08-14 | 2019-08-14 | Viscous friction composite damping wall |
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| CN210797950U true CN210797950U (en) | 2020-06-19 |
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| CN201921310209.2U Active CN210797950U (en) | 2019-08-14 | 2019-08-14 | Viscous friction composite damping wall |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110512761A (en) * | 2019-08-14 | 2019-11-29 | 上海史狄尔建筑减震科技有限公司 | A kind of viscous friction composite damping wall |
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2019
- 2019-08-14 CN CN201921310209.2U patent/CN210797950U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110512761A (en) * | 2019-08-14 | 2019-11-29 | 上海史狄尔建筑减震科技有限公司 | A kind of viscous friction composite damping wall |
| CN110512761B (en) * | 2019-08-14 | 2024-03-15 | 上海史狄尔建筑减震科技有限公司 | Viscous friction composite damping wall |
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