CN219671729U - Composite damper - Google Patents
Composite damper Download PDFInfo
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- CN219671729U CN219671729U CN202321353403.5U CN202321353403U CN219671729U CN 219671729 U CN219671729 U CN 219671729U CN 202321353403 U CN202321353403 U CN 202321353403U CN 219671729 U CN219671729 U CN 219671729U
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- 239000002131 composite material Substances 0.000 title claims abstract description 15
- 230000021715 photosynthesis, light harvesting Effects 0.000 claims abstract description 36
- 238000005265 energy consumption Methods 0.000 claims abstract description 22
- 239000002184 metal Substances 0.000 claims abstract description 10
- 210000001503 joint Anatomy 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 abstract description 9
- 238000009434 installation Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000013016 damping Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Landscapes
- Vibration Prevention Devices (AREA)
- Vibration Dampers (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The utility model relates to the technical field of dampers, and discloses a composite damper, which comprises: the energy-saving device comprises a T-shaped plate, a first energy-consuming piece and a second energy-consuming piece; the T-shaped plate is composed of a connecting plate and friction plates vertically fixed on the connecting plate, the T-shaped plate comprises side plates and clamping plates, the clamping plates are perpendicular to the inner walls of the side plates, the friction plates are arranged between the clamping plates, the first energy consumption pieces are attached to the side faces of the friction plates and are contacted with the clamping plates at the same time, and the second energy consumption pieces are symmetrically arranged on the outer sides of the clamping plates. According to the composite damper, the friction damper and the metal damper are combined, so that the staged energy consumption is facilitated in different stages of an earthquake, and when the earthquake is small in displacement, the first energy consumption piece converts the earthquake energy into the self internal energy, and the earthquake energy is dissipated; when the earthquake is in large displacement, the second energy dissipation piece dissipates earthquake energy by utilizing plastic deformation of the second energy dissipation piece, so that the function of protecting a building structure is realized; and the damper has simple structure and convenient manufacture, and can be prefabricated in advance in a factory to save the installation time.
Description
Technical Field
The utility model relates to the technical field of dampers, in particular to a composite damper.
Background
The earthquake resistance of the building is related to the service life of the building body, and the earthquake resistance of the traditional structure is enhanced by the earthquake resistance of the reinforcing structure, so that the building structure has higher cost. Energy-consuming damping techniques in damping designs have proven to be a more economical, safer, and more efficient method of structural control. By adopting the energy dissipation and vibration reduction technology, various dampers, energy dissipation supporting members and other energy dissipation members are additionally arranged in the structure, the structure is in an inelastic state before an earthquake comes, the earthquake energy in the structure is consumed, the earthquake power response of the structure is reduced, and the purpose of protecting the main structure is achieved.
The damper displacement correlation includes a metal damper and a friction damper. In an earthquake, a friction damper converts earthquake energy into friction internal energy, and a metal damper counteracts the earthquake energy by means of self deformation. The friction force of traditional friction damper can't be adjusted, only can design according to a certain stage of earthquake, and the friction damper of design will become invalid when the shake greatly under the shake condition, and the friction damper of design can't be applied to the shake greatly under the shake condition, and the damper can only increase the additional rigidity of structure, can't play the cushioning effect. The metal damper is generally in an elastic stage under small earthquake, and dissipates earthquake energy by self deformation under large earthquake. The existing displacement type dampers are basically single type dampers, cannot consume energy in stages of large earthquake and small earthquake at the same time, and cannot meet the design requirements of the structure aiming at different stages of the earthquake.
Disclosure of Invention
The utility model provides a composite damper which solves the problem that the existing building damper is not suitable for different earthquake stages due to single energy consumption form.
A composite damper, comprising: the energy-saving device comprises a T-shaped plate, a first energy-consuming piece and a second energy-consuming piece;
the T-shaped plate is composed of a connecting plate and a friction plate vertically fixed on the connecting plate;
the T-shaped plate comprises a side plate and a clamping plate, and the clamping plate is perpendicular to the inner wall of the side plate;
the friction plates are arranged between the clamping plates, and the first energy consumption pieces are attached to two sides of the friction plates and are simultaneously contacted with the clamping plates;
the second energy dissipation piece is symmetrically arranged on the outer side of the clamping plate.
Further, the second energy dissipation member includes an energy dissipation portion and a mounting plate, the mounting plate is fixed at two ends of the energy dissipation portion, the energy dissipation portion is plate-shaped, and a long side of the energy dissipation portion is wavy.
Further, the mounting plates at two ends of the second energy dissipation member are respectively connected to the connecting plate and the side plate through bolts.
Further, the friction plate and the clamping plate are respectively provided with a plurality of butt joint holes with different apertures, the first energy dissipation piece is provided with a plurality of through holes, and the connecting piece sequentially penetrates through the butt joint holes to be connected with the T-shaped plate, the T-shaped plate and the first energy dissipation piece.
Further, the T-shaped plates are all metal plates.
Further, the energy dissipation portion is made of a low yield point steel material.
The utility model has the following beneficial effects:
(1) The damper combines the friction damper and the metal damper, so that the staged energy consumption is facilitated in different stages of an earthquake; when the earthquake is in the small displacement stage, friction energy consumption is utilized, and when the earthquake is in the large displacement stage, metal yielding deformation energy consumption of the damper energy consumption part is utilized, so that the earthquake damping device is beneficial to being suitable for earthquakes of different grades.
(2) The damper has the advantages of simple structure and convenient manufacture, can be prefabricated in advance in a factory to save the installation time, and can be directly disassembled and replaced after a certain part of the damper is damaged.
Drawings
FIG. 1 is a schematic perspective view of a damper according to the present utility model;
FIG. 2 is a schematic top view of a damper of the present utility model;
FIG. 3 is a schematic view of a T-shaped plate according to the present utility model;
FIG. 4 is a schematic view of the structure of a T-shaped plate according to the present utility model;
fig. 5 is a schematic structural diagram of a second energy dissipation element according to the present utility model.
In the figure: 10-T-shaped plates; 20-class T-shaped plates; 30-a first energy consuming member; 40-a second energy consuming member; 101-connecting plates; 102-friction plate; 103-butting holes; 201-side plates; 202-clamping plates; 401-energy consuming part; 402-mounting plate.
Detailed Description
The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.
Referring to fig. 1 to 5, the present utility model provides a composite damper including: the T-shaped plate 10, the T-shaped plate 20, the first energy dissipation member 30 and the second energy dissipation member 40, the T-shaped plate 10 and the T-shaped plate 20 are all steel plates.
The T-shaped plate 10 is composed of a connecting plate 101 and a friction plate 102 vertically welded in the middle of the connecting plate 101, wherein the connecting plate 101 and the friction plate 102 are of rectangular plate structures, three butt joint holes 103 with different diameters are formed in the friction plate 102, and the butt joint holes 103 are threaded holes.
The T-shaped plate 20 is composed of a rectangular side plate 201 and two clamping plates 202 with the same size, the two clamping plates 202 are rectangular, one side of a short side of each clamping plate is perpendicular to the side edge of the side plate 201 and welded on two sides of the middle of the side plate 201, the two clamping plates 202 are arranged in parallel, and a gap is reserved between the two clamping plates, and the width of the gap is larger than the thickness of the friction plate 102.
Most of the friction plate 102 is inserted between the gaps of the two clamping plates 202, the clamping plates 202 are also provided with butt joint holes 103, and the butt joint holes 103 on the clamping plates 202 are corresponding to the butt joint holes 103 on the friction plate 102 in position and matched in size and are connected into a whole through bolts.
In order to increase the friction resistance of the damper, a first energy dissipation member 30 is arranged between the friction plate 102 and the clamping plate 202, the first energy dissipation member 30 is in a rectangular plate shape, and two sides of the first energy dissipation member are respectively contacted with the friction plate 102 and the clamping plate 202.
The first energy dissipation member 30 is provided with a through hole, the position and the size of the through hole are matched with those of the butt joint hole 103, the first energy dissipation member 30 is conveniently connected between the friction plate 102 and the clamping plate 202 through bolts, and the first energy dissipation member 30 can be made of a brake pad material.
Bolts connecting the friction plate 102, the clamping plate 202 and the first energy dissipation piece 30 are respectively fastened by using corresponding belleville spring washers when being connected, and the belleville spring washers can prevent the pretightening force of the bolts from being lost, so that friction failure is caused; moreover, the magnitude of friction energy consumption can be changed by adjusting the magnitude of the pretightening force of the bolt, and the energy consumption is little influenced by the environmental temperature.
The second energy dissipation members 40 are symmetrically disposed at both sides of the friction plate 102 for forming metal deformation energy dissipation.
The second energy dissipation device 40 includes an energy dissipation portion 401 and a mounting plate 402; the energy dissipation portion 401 is made of low yield point steel, is in a shape of an equal thickness plate, has two long sides in a wave shape, and two short sides in a straight line, and when the energy dissipation portion 401 is subjected to large displacement caused by an earthquake, bending or compression deformation is generated to consume earthquake energy, so that damage to a building main body is reduced.
The mounting plate 402 is a rectangular thin plate, two identical energy dissipation parts 401 are welded on the side surface of the mounting plate 402, the mounting plate 402 is provided with connecting holes, and the connecting plates 101 and the side plates 201 are connected through the connecting holes in a bolt or screw connection mode.
The energy consuming parts 401 of the second energy consuming part 40 may be provided in more than two according to different needs.
For the earthquake frequent area, the lengths of the connecting plate 101 and the side plate 201 can be changed, so that the number of the second energy dissipation elements 40 can be increased.
The composite damper combines the advantages of the friction damper and the metal damper, is convenient for classifying energy consumption at different stages of an earthquake, converts the earthquake energy into self internal energy by the first energy consumption piece 30 when the earthquake is small in displacement, dissipates the earthquake energy by utilizing plastic deformation of the second energy consumption piece 40 when the earthquake is large in displacement, and achieves the function of protecting a building structure.
The foregoing is merely a preferred embodiment of the utility model, which is not representative of all possible forms of the utility model, and the scope of the utility model is not limited to such specific statements and embodiments. Various other modifications and improvements can be made in light of the teachings of the present disclosure without departing from the spirit and scope of the utility model.
Claims (6)
1. A composite damper, comprising: the energy-saving device comprises a T-shaped plate (10), a T-shaped plate (20), a first energy-consuming piece (30) and a second energy-consuming piece (40);
the T-shaped plate (10) is composed of a connecting plate (101) and a friction plate (102) vertically fixed on the connecting plate (101);
the T-shaped plate (20) comprises a side plate (201) and a clamping plate (202), wherein the clamping plate (202) is perpendicular to the inner wall of the side plate (201);
the friction plates (102) are arranged between the clamping plates (202), and the first energy dissipation members (30) are attached to two sides of the friction plates (102) and are simultaneously contacted with the clamping plates (202);
the second energy dissipation piece (40) is symmetrically arranged on the outer side of the clamping plate (202).
2. A composite damper according to claim 1, wherein: the second energy consumption piece (40) comprises an energy consumption part (401) and a mounting plate (402), wherein the mounting plate (402) is fixed at two ends of the energy consumption part (401), and the energy consumption part (401) is plate-shaped and has a wavy long side.
3. A composite damper according to claim 2, wherein: mounting plates (402) at two ends of the second energy consumption piece (40) are respectively connected to the connecting plate (101) and the side plate (201) through bolts.
4. A composite damper according to claim 1, wherein: the friction plate (102) and the clamping plate (202) are respectively provided with a butt joint hole (103) with a plurality of different apertures, the first energy consumption piece (30) is provided with a plurality of through holes, and the T-shaped plate (10), the T-shaped plate (20) and the first energy consumption piece (30) are connected with the through holes by sequentially penetrating through the butt joint holes (103) through the connecting pieces.
5. The composite damper according to any one of claims 1 to 4, wherein: the T-shaped plates (10) and the T-shaped plates (20) are metal plates.
6. A composite damper according to claim 2, wherein: the energy dissipation part (401) is made of low yield point steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321353403.5U CN219671729U (en) | 2023-05-30 | 2023-05-30 | Composite damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321353403.5U CN219671729U (en) | 2023-05-30 | 2023-05-30 | Composite damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219671729U true CN219671729U (en) | 2023-09-12 |
Family
ID=87924921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321353403.5U Active CN219671729U (en) | 2023-05-30 | 2023-05-30 | Composite damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219671729U (en) |
-
2023
- 2023-05-30 CN CN202321353403.5U patent/CN219671729U/en active Active
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