CN214614715U - Composite friction sliding damper - Google Patents
Composite friction sliding damper Download PDFInfo
- Publication number
- CN214614715U CN214614715U CN202023040068.2U CN202023040068U CN214614715U CN 214614715 U CN214614715 U CN 214614715U CN 202023040068 U CN202023040068 U CN 202023040068U CN 214614715 U CN214614715 U CN 214614715U
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- Prior art keywords
- friction
- plate
- friction plate
- aluminum
- polyurethane foam
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- 239000002131 composite material Substances 0.000 title claims description 19
- 229920005830 Polyurethane Foam Polymers 0.000 claims abstract description 37
- 239000011496 polyurethane foam Substances 0.000 claims abstract description 37
- 229920001971 elastomer Polymers 0.000 claims abstract description 22
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 17
- 239000004917 carbon fiber Substances 0.000 claims abstract description 17
- 239000004744 fabric Substances 0.000 claims abstract description 17
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 17
- 150000001875 compounds Chemical class 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 230000035939 shock Effects 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 abstract description 2
- 230000021715 photosynthesis, light harvesting Effects 0.000 abstract description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 229920002635 polyurethane Polymers 0.000 description 4
- 239000004814 polyurethane Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of shock insulation and energy dissipation, especially, relate to a compound friction sliding damper, include: the friction plate comprises an upper connecting plate, a lower connecting plate, an inner friction plate, an outer friction plate, a rubber lead core friction ball, a high-strength bolt, an aluminum-polyurethane foam friction plate, carbon fiber drawknot cloth and the like. An aluminum-polyurethane foam friction plate is arranged between the inner friction plate and the outer friction plate, and the inner friction plate, the aluminum-polyurethane foam friction plate and the outer friction plate are connected through high-strength bolts; the lower parts of the inner friction plate and the outer friction plate are provided with rubber friction balls and friction curved surfaces, and the inner friction plate is wound with carbon fiber drawknot cloth between the connecting lug plate and the outer friction plate; the utility model discloses simple structure has compared in prior art and has adopted multistage power consumption structure, can trigger different power consumption structures according to the intensity of vibration of difference, and the power consumption effect is excellent, is convenient for maintain, has fine practicality and is showing the progress.
Description
Technical Field
The utility model belongs to the technical field of shock insulation and energy dissipation, especially, relate to a compound friction sliding damper.
Background
With the frequent occurrence of earthquake disasters in recent years, new requirements are put forward on the earthquake resistance of buildings in the construction of building engineering, and the traditional earthquake-resistant structure of the building consumes earthquake energy through the deformation of the self members of the building, can permanently damage the self structure of the building, and has great influence on the later-period use safety of the building. By adding the damper component into the building structure, most of earthquake energy can be absorbed by the component, the damage of earthquake to the building body structure is effectively reduced, and the damper component plays an important role in improving the overall earthquake resistance of the building. The friction damper has the characteristics of strong energy consumption capability, small influence of load amplitude and frequency on the performance, easiness in material obtaining, low manufacturing cost and the like, so that the friction damper has a good application prospect. However, when a general friction damper is installed in a building structure, the friction force is determined by the intensity of the earthquake suffered by the building structure, because the damping force of the general friction damper is fixed and needs a large traction force to enable the general friction damper to slide, so that the friction damper can only play a role under the conditions of medium and large earthquakes, but can only provide rigidity for the building structure under the condition of small earthquakes. The foamed aluminum/polyurethane composite material is a network interpenetrating composite material, namely, the holes in the open-cell foamed aluminum of the three-dimensional through hole are filled with polyurethane, so that the foamed aluminum and the polyurethane are continuously combined into a composite entity in the composite material, and the composite material has both the friction property of aluminum materials and the viscoelasticity of polyurethane.
SUMMERY OF THE UTILITY MODEL
The utility model provides a compound friction sliding damper mainly is swift in order to develop a construction convenience, simple structure, and the power consumption effect is excellent, has glutinous elastic friction sliding damper simultaneously concurrently.
In order to solve the technical problem, the utility model discloses a technical scheme as follows:
a composite friction slide damper comprising: the composite friction sliding damper comprises an upper connecting plate, a lower connecting plate, an inner friction plate, an outer friction plate, a rubber lead friction ball, a high-strength bolt, an aluminum-polyurethane foam friction plate and carbon fiber drawknot cloth, wherein the upper connecting plate and the lower connecting plate are rectangular, both the upper connecting plate and the lower connecting plate are provided with bolt holes, the inner friction plate is welded below the upper connecting plate, the inner friction plate is sequentially provided with a sliding hole, an inner connecting lug plate, a lower anti-drop hook and an upper friction curved surface from top to bottom, the sliding hole is hollow and oval, the long edge of the sliding hole is arranged along the longitudinal direction of the composite friction sliding damper, the inner connecting lug plate is rectangular, and the lower anti-drop hook is arranged at the two outer ends of the inner connecting lug plate; the outer friction plate is sequentially provided with an outer connecting lug plate, an upper anti-unhooking hook, a limiting hole and a lower friction curved surface from top to bottom, an aluminum-polyurethane foam friction plate is arranged between the inner friction plate and the outer friction plate, the inner friction plate, the aluminum-polyurethane foam friction plate and the outer friction plate are connected through a high-strength bolt, the upper edge of the outer friction plate is flush with the upper edge of the aluminum-polyurethane foam friction plate, the lower part of the outer friction plate is welded with the lower connecting plate, the outer connecting lug plate is rectangular, upper anti-unhooking hooks are arranged at two ends of the outer side of the outer connecting lug plate, the size of the upper anti-unhooking hook is consistent with that of the lower anti-unhooking hook, and the outer edge of the upper anti-unhooking hook is flush with the outer edge of the lower anti-unhooking hook and flush with the outer edge of the upper connecting plate; the inner connecting lug plate extends out of the outer side of the outer friction plate through the limiting hole, carbon fiber drawknot cloth is wound between the inner connecting lug plate and the outer connecting lug plate, and the maximum thickness of the wound carbon fiber drawknot cloth does not exceed the maximum height of the upper anti-unhooking; and a rubber lead friction ball is arranged between the upper friction curved surface and the lower friction curved surface, the rubber lead friction ball is in an ellipsoid shape, and the longer side of the rubber lead friction ball is arranged in parallel with the curve of the upper friction curved surface.
Furthermore, the length of the sliding hole is three-fourths of that of the aluminum-polyurethane foam friction plate, the upper bottom edge of the sliding hole is higher than the center line of the highest high-strength bolt, and the distance difference between the upper bottom edge and the highest high-strength bolt is one tenth to one eighth of that of the aluminum-polyurethane foam friction plate; the lower bottom edge of the sliding hole is lower than the central line of the high-strength bolt at the lowest position, and the distance difference between the lower bottom edge of the sliding hole and the central line of the high-strength bolt at the lowest position is one tenth to one eighth of the length of the aluminum-polyurethane foam friction plate.
Furthermore, the width of the limiting hole is one fourth to one fifth of the length of the aluminum-polyurethane foam friction plate.
Further, the length of the outer connecting lug plate is 1.2-1.3 times of the width of the carbon fiber drawknot cloth.
Furthermore, the cross-sectional area between the highest point of the upper friction curved surface and the lowest point of the lower friction curved surface is 1.2-1.3 times of the cross-sectional area of the rubber lead friction ball, and the distance between the highest point of the upper friction curved surface and the lowest point of the lower friction curved surface is 1.2-1.3 times of the shortest focal length of the rubber lead friction ball.
Furthermore, the distance between the lower edge of the upper connecting plate and the upper edge of the aluminum-polyurethane foam friction plate is one tenth to one twelfth of the length of the aluminum-polyurethane foam friction plate.
The utility model has the advantages of effect:
the utility model has the advantages and beneficial effects that: an aluminum-polyurethane foam friction plate is arranged between an inner friction plate and an outer friction plate, and the inner friction plate, the aluminum-polyurethane foam friction plate and the outer friction plate are connected through high-strength bolts; the lower parts of the inner friction plate and the outer friction plate are provided with rubber friction balls and friction curved surfaces, and the inner friction plate is wound with carbon fiber drawknot cloth between the connecting lug plate and the outer friction plate; when small vibration occurs, the aluminum-polyurethane foam friction plates and the inner friction plates and the outer friction plates on the two sides rub against each other to dissipate energy, so that not only can the friction performance of the damper be ensured, but also viscoelasticity can be provided for the damper; when great vibrations take place, the carbon fiber drawknot cloth can provide great tension and damping through the winding to upper junction plate, lower connecting plate. The utility model discloses simple structure has compared in prior art and has adopted multistage power consumption structure, can trigger different power consumption structures according to the shock strength of difference, and the power consumption effect is excellent, is convenient for maintain, has fine practicality, and the product is compared prior art and is had convex substantive characteristics and is showing the progress.
Drawings
Fig. 1 is a schematic structural view of the composite friction sliding damper of the present invention.
In the figure, 1-1 is an upper connecting plate; 1-2 is a lower connecting plate; 1-3 are connecting holes; 2 is an inner friction plate; 2-1 is a sliding hole; 2-2 is an inner connecting lug plate; 2-3 is a lower mousing hook; 2-4 is an upper friction curved surface; 3 is an outer friction plate; 3-1 is an external connecting ear plate; 3-2 is an upper anti-unhooking part; 3-3 are limit holes; 3-4 is a lower friction curved surface; 4 is rubber lead friction ball; 5 is a high-strength bolt; 6 is an aluminum-polyurethane foam friction plate; 7 is carbon fiber drawknot cloth.
Detailed Description
For further explanation of the present invention, the following detailed description of the present invention is provided with reference to the drawings and examples, which should not be construed as limiting the scope of the present invention.
Example (b): as shown in fig. 1, the utility model relates to a compound friction sliding damper, include: the friction plate comprises an upper connecting plate 1-1, a lower connecting plate 1-2, an inner friction plate 2, an outer friction plate 3, rubber lead core friction balls 4, high-strength bolts 5, an aluminum-polyurethane foam friction plate 6 and carbon fiber drawknot cloth 7, wherein the upper connecting plate 1-1 and the lower connecting plate 1-2 are rectangular, the upper connecting plate 1-1 and the lower connecting plate 1-2 are respectively provided with a bolt hole 1-3, the inner friction plate 2 is welded below the upper connecting plate 1-1, the inner friction plate 2 is sequentially provided with a sliding hole 2-1, an inner connecting lug plate 2-2, a lower anti-drop hook 2-3 and an upper friction curved surface 2-4 from top to bottom, the sliding hole 2-1 is hollow oval, the long edge of the sliding hole 2-1 is arranged along the longitudinal direction of a composite friction sliding damper, the inner connecting lug plate 2-2 is rectangular, the two ends of the outer side of the inner connecting ear plate 2-2 are provided with lower anti-drop hooks 2-3; the outer friction plate 3 is sequentially provided with an outer connecting ear plate 3-1, an upper anti-drop hook 3-2, a limiting hole 3-3 and a lower friction curved surface 3-4 from top to bottom, an aluminum-polyurethane foam friction plate 6 is arranged between the inner friction plate 2 and the outer friction plate 3, the inner friction plate 2, the aluminum-polyurethane foam friction plate 6 and the outer friction plate 3 are connected through a high-strength bolt 5, the upper edge of the outer friction plate 3 is flush with the upper edge of the aluminum-polyurethane foam friction plate 6, the lower part of the outer friction plate 3 is welded with the lower connecting plate 1-2, the outer connecting lug plate 3-1 is rectangular, the two ends of the outer side of the outer connecting lug plate 3-1 are provided with upper anti-disengaging hooks 3-2, the size of the upper anti-disengaging hooks 3-2 is consistent with that of the lower anti-disengaging hooks 2-3, and the outer edge of the upper anti-disengaging hooks 3-2 is flush with the outer edge of the lower anti-disengaging hooks 2-3 and flush with the outer edge of the upper connecting plate 1-1; the inner connecting ear plate 2-2 extends out of the outer friction plate 3 through the limiting hole 3-3, carbon fiber drawknot cloth 7 is wound between the inner connecting ear plate 2-2 and the outer connecting ear plate 3-1, and the maximum thickness of the wound carbon fiber drawknot cloth 7 is not more than the maximum height of the upper anti-drop hook 3-2; a rubber lead friction ball 4 is arranged between the upper friction curved surface 2-4 and the lower friction curved surface 3-4, the rubber lead friction ball 4 is in an ellipsoid shape, and the longer side of the rubber lead friction ball 4 is arranged in parallel with the curve of the upper friction curved surface 2-4.
The length of the sliding hole 2-1 is three quarters of the length of the aluminum-polyurethane foam friction plate 6, the upper bottom edge of the sliding hole 2-1 is higher than the center line of the highest high-strength bolt 5, and the distance difference between the upper bottom edge and the highest high-strength bolt is one tenth to one eighth of the length of the aluminum-polyurethane foam friction plate 6; the lower bottom edge of the sliding hole 2-1 is lower than the center line of the lowest high-strength bolt 5, and the distance difference between the two is one tenth to one eighth of the length of the aluminum-polyurethane foam friction plate 6.
The width of the limiting hole 3-3 is one fourth to one fifth of the length of the aluminum-polyurethane foam friction plate 6.
The length of the external connecting ear plate 3-1 is 1.2-1.3 times of the width of the carbon fiber drawknot cloth 7.
The cross sectional area between the highest point of the upper friction curved surface 2-4 and the lowest point of the lower friction curved surface 3-4 is 1.2-1.3 times of the cross sectional area of the rubber lead friction ball 4, and the distance between the highest point of the upper friction curved surface 2-4 and the lowest point of the lower friction curved surface 3-4 is 1.2-1.3 times of the length of the shortest focus of the rubber lead friction ball 4.
The distance between the lower edge of the upper connecting plate 1-1 and the upper edge of the aluminum-polyurethane foam friction plate 6 is one tenth to one twelfth of the length of the aluminum-polyurethane foam friction plate 6.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. A composite friction slide damper comprising: upper junction plate (1-1), lower connecting plate (1-2), interior friction plate (2), outer friction plate (3), rubber lead core friction ball (4), high strength bolt (5), aluminium-polyurethane foam friction plate (6), carbon fiber drawknot cloth (7), its characterized in that: the upper connecting plate (1-1) and the lower connecting plate (1-2) are rectangular, the upper connecting plate (1-1) and the lower connecting plate (1-2) are respectively provided with a bolt hole (1-3), an inner friction plate (2) is welded below the upper connecting plate (1-1), the inner friction plate (2) is sequentially provided with a sliding hole (2-1), an inner connecting lug plate (2-2), a lower anti-disengaging hook (2-3) and an upper friction curved surface (2-4) from top to bottom, the sliding hole (2-1) is hollow and oval, the long edge of the sliding hole (2-1) is arranged along the longitudinal direction of the composite friction sliding damper, the inner connecting lug plate (2-2) is rectangular, and the lower anti-disengaging hooks (2-3) are arranged at the two outer ends of the inner connecting lug plate (2-2); the outer friction plate (3) is sequentially provided with an outer connecting ear plate (3-1), an upper anti-drop hook (3-2), a limiting hole (3-3) and a lower friction curved surface (3-4) from top to bottom, an aluminum-polyurethane foam friction plate (6) is arranged between the inner friction plate (2) and the outer friction plate (3), the inner friction plate (2), the aluminum-polyurethane foam friction plate (6) and the outer friction plate (3) are connected through a high-strength bolt (5), the upper edge of the outer friction plate (3) is flush with the upper edge of the aluminum-polyurethane foam friction plate (6), the lower part of the outer friction plate (3) is welded with the lower connecting plate (1-2), the outer connecting ear plate (3-1) is rectangular, the upper anti-drop hook (3-2) is arranged at the two outer ends of the outer connecting ear plate (3-1), the size of the upper anti-drop hook (3-2) is consistent with the size of the lower anti-drop hook (2-3), the outer edge of the upper anti-disengaging hook (3-2) is flush with the outer edge of the lower anti-disengaging hook (2-3) and is flush with the outer edge of the upper connecting plate (1-1); the inner connecting ear plate (2-2) extends out of the outer side of the outer friction plate (3) through the limiting hole (3-3), carbon fiber drawknot cloth (7) is wound between the inner connecting ear plate (2-2) and the outer connecting ear plate (3-1), and the maximum thickness of the wound carbon fiber drawknot cloth (7) is not more than the maximum height of the upper anti-drop hook (3-2); a rubber lead friction ball (4) is arranged between the upper friction curved surface (2-4) and the lower friction curved surface (3-4), the rubber lead friction ball (4) is in an ellipsoid shape, and the longer side of the rubber lead friction ball (4) is arranged in parallel with the curve of the upper friction curved surface (2-4).
2. A composite type frictional sliding damper as set forth in claim 1, wherein: the length of the sliding hole (2-1) is three quarters of the length of the aluminum-polyurethane foam friction plate (6), the upper bottom edge of the sliding hole (2-1) is higher than the center line of the highest high-strength bolt (5), and the distance difference between the upper bottom edge and the highest high-strength bolt is one tenth to one eighth of the length of the aluminum-polyurethane foam friction plate (6); the lower bottom edge of the sliding hole (2-1) is lower than the center line of the lowest high-strength bolt (5), and the distance difference between the lower bottom edge and the center line is one tenth to one eighth of the length of the aluminum-polyurethane foam friction plate (6).
3. A composite type frictional sliding damper as set forth in claim 1, wherein: the width of the limiting hole (3-3) is one fourth to one fifth of the length of the aluminum-polyurethane foam friction plate (6).
4. A composite type frictional sliding damper as set forth in claim 1, wherein: the length of the external connection ear plate (3-1) is 1.2-1.3 times of the width of the carbon fiber drawknot cloth (7).
5. A composite type frictional sliding damper as set forth in claim 1, wherein: the cross sectional area between the highest point of the upper friction curved surface (2-4) and the lowest point of the lower friction curved surface (3-4) is 1.2-1.3 times of the cross sectional area of the rubber lead friction ball (4), and the distance between the highest point of the upper friction curved surface (2-4) and the lowest point of the lower friction curved surface (3-4) is 1.2-1.3 times of the shortest focal length of the rubber lead friction ball (4).
6. A composite type frictional sliding damper as set forth in claim 1, wherein: the distance between the lower edge of the upper connecting plate (1-1) and the upper edge of the aluminum-polyurethane foam friction plate (6) is one tenth to one twelfth of the length of the aluminum-polyurethane foam friction plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023040068.2U CN214614715U (en) | 2020-12-17 | 2020-12-17 | Composite friction sliding damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023040068.2U CN214614715U (en) | 2020-12-17 | 2020-12-17 | Composite friction sliding damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214614715U true CN214614715U (en) | 2021-11-05 |
Family
ID=78430378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023040068.2U Expired - Fee Related CN214614715U (en) | 2020-12-17 | 2020-12-17 | Composite friction sliding damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214614715U (en) |
-
2020
- 2020-12-17 CN CN202023040068.2U patent/CN214614715U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211105 |
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| CF01 | Termination of patent right due to non-payment of annual fee |