CN111910790A - Composite friction damper - Google Patents
Composite friction damper Download PDFInfo
- Publication number
- CN111910790A CN111910790A CN202010830646.8A CN202010830646A CN111910790A CN 111910790 A CN111910790 A CN 111910790A CN 202010830646 A CN202010830646 A CN 202010830646A CN 111910790 A CN111910790 A CN 111910790A
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- CN
- China
- Prior art keywords
- friction
- plates
- plate
- connecting plate
- friction plates
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
Abstract
The invention relates to a composite friction damper, which comprises an upper connecting plate and a lower connecting plate, wherein a middle core plate and two large side plates are arranged on the upper connecting plate, two friction plates are arranged on the lower connecting plate, the upper connecting plate and the lower connecting plate are oppositely inserted, the middle core plate is positioned between the two friction plates, the two large side plates are respectively positioned at the outer sides of the two friction plates, the middle core plate, the two large side plates and the two friction plates are fixedly connected after transversely penetrating through at least one group of fasteners, friction plates are respectively arranged between the middle core plate and the two friction plates, and elastic pieces are respectively arranged between the two large side plates and the two friction plates. The friction sheet of the invention can generate friction force, the elastic sheet can deform slightly along with the friction force, cold bonding or condensation can not be generated between the central core plate and the two friction plates, and between the two large side plates and the two friction plates, and the load bearing capacity is optimized.
Description
Technical Field
The invention relates to a damper, in particular to a composite friction damper.
Background
The composite friction damper is used between two objects, and the lateral displacement of the structure can be effectively controlled by installing the friction damper; the adaptability is strong and the popularization is wide. The damping device can provide damping for the structure and rigidity for the structure, has good fatigue property, and is widely applied to buildings and bridges. However, the existing composite friction damper can generate cold bonding or cold solidification under the action of constant positive pressure and keep long-term static contact, and the expected friction coefficient can be changed.
Disclosure of Invention
The invention aims to provide a composite friction damper which is added with a friction plate and an elastic plate and optimizes the load bearing capacity.
In order to achieve the purpose, the technical scheme of the invention is as follows: the utility model provides a composite friction damper, includes upper junction plate and lower connecting plate, be equipped with a center core board and two big curb plates on the upper junction plate, be equipped with two friction plates on the lower connecting plate, upper junction plate and lower connecting plate are inserted relatively, make center core board be located between two friction plates, two big curb plates are located two friction plate outsides respectively to transversely run through back center core board, two big curb plates and two friction plate fixed connection through at least a set of fastener, and be equipped with the friction disc between center core board and two friction plates respectively, be equipped with the flexure strip between two big curb plates and two friction plates respectively.
Preferably, the outer side surface of the upper connecting plate is provided with an end sealing plate.
Preferably, grooves for installing friction plates are respectively arranged on two sides of the central core plate.
Preferably, a first reinforcing block is welded at the vertical connection position of the upper connecting plate, the central core plate and the large side plate; and a second reinforcing block is welded at the vertical joint of the lower connecting plate and the friction plate.
Preferably, the fastener is a screw and nut combination.
Preferably, the elastic sheet is a rubber block.
After the structure is adopted, the friction plates are respectively arranged between the central core plate and the two friction plates, and the elastic sheets are respectively arranged between the two large side plates and the two friction plates, so that when the upper connecting plate and the lower connecting plate bear load, the friction sheets can generate friction force, the elastic sheets can slightly deform along with the friction force, cold bonding or condensation cannot be generated between the central core plate and the two friction plates, and between the two large side plates and the two friction plates, and the load bearing capacity is optimized.
Drawings
FIG. 1 is a schematic of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following examples, which are given in conjunction with the accompanying drawings.
Referring to fig. 1, the composite friction damper comprises an upper connecting plate 1 and a lower connecting plate 2, wherein a central core plate 3 and two large side plates 4 are arranged on the upper connecting plate 1, two friction plates 5 are arranged on the lower connecting plate 2, the upper connecting plate 1 and the lower connecting plate 2 are inserted relatively, the central core plate 3 is located between the two friction plates 5, the two large side plates 4 are respectively located on the outer sides of the two friction plates 5, the central core plate 3, the two large side plates 4 and the two friction plates 5 are fixedly connected after being transversely penetrated through by three groups of fasteners 10, friction plates 6 are respectively arranged between the central core plate 3 and the two friction plates 5, and elastic plates 7 are respectively arranged between the two large side plates 4 and the two friction plates 5.
Referring to fig. 1, the outer side surface of the upper connecting plate 1 is provided with an end sealing plate 8. The impact force on the outer side is avoided, and the safety of the damper is protected.
Referring to fig. 1, grooves 9 for installing friction plates 6 are respectively arranged on two sides of the central core plate 3. The friction plate 6 is not displaced after being installed, and the friction plate 6 only generates friction with the corresponding friction plate 5.
Referring to fig. 1, a first reinforcing block 11 is welded at the vertical joint of the upper connecting plate 1, the middle core plate 3 and the large side plate 4; and a second reinforcing block 12 is welded at the vertical joint of the lower connecting plate 2 and the friction plate 5. The connecting strength is enhanced, the bearing load capacity is improved, and the service life is prolonged.
Referring to fig. 1, the fastener 10 is a screw and nut combination. The friction plate 6 and the elastic plate 7 are convenient to install and replace.
As shown in fig. 1, the elastic sheet 7 is a rubber block. Low cost and high impact resistance.
When the friction plate assembly is installed, the two friction plates 6 are installed in the groove 9, the upper connecting plate 1 and the lower connecting plate 2 are oppositely inserted, so that the middle core plate 3 is located between the two friction plates 5, and the two large side plates 4 are respectively located on the outer sides of the two friction plates 5. And then the two elastic pieces 7 are respectively arranged between the two large side plates 4 and the two friction plates 5 and are fastened after penetrating through the three groups of fasteners 10. And finally, fixing the outer ends of the upper connecting plate 1 and the lower connecting plate 2 on two objects to be damped. The friction plate 6 of the invention can generate friction force with the friction plates 5, the elastic plate 7 can slightly deform along with the friction force, cold bonding or condensation can not be generated between the middle core plate 3 and the two friction plates 5, and between the two large side plates 4 and the two friction plates 5, and the load bearing capacity is optimized.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (6)
1. A composite friction damper characterized by: the connecting device comprises an upper connecting plate (1) and a lower connecting plate (2), wherein a middle core plate (3) and two large side plates (4) are arranged on the upper connecting plate (1), two friction plates (5) are arranged on the lower connecting plate (2), the upper connecting plate (1) and the lower connecting plate (2) are relatively inserted, the middle core plate (3) is located between the two friction plates (5), the two large side plates (4) are respectively located on the outer sides of the two friction plates (5), the middle core plate (3), the two large side plates (4) and the two friction plates (5) are fixedly connected after being transversely penetrated through at least one group of fasteners (10), friction plates (6) are respectively arranged between the middle core plate (3) and the two friction plates (5), and elastic sheets (7) are respectively arranged between the two large side plates (4) and the two friction plates (5).
2. The composite friction damper according to claim 1, characterized in that: and the outer side surface of the upper connecting plate (1) is provided with an end sealing plate (8).
3. The composite friction damper according to claim 1, characterized in that: grooves (9) for mounting the friction plates (6) are respectively arranged on two sides of the central core plate (3).
4. The composite friction damper according to claim 1, characterized in that: a first reinforcing block (11) is welded at the vertical joint of the upper connecting plate (1) and the central core plate (3) and the large side plate (4); a second reinforcing block (12) is welded at the vertical joint of the lower connecting plate (2) and the friction plate (5).
5. The composite friction damper according to claim 1, characterized in that: the fastener (10) is a screw and nut combination.
6. The composite friction damper according to claim 1, characterized in that: the elastic sheet (7) is a rubber block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010830646.8A CN111910790A (en) | 2020-08-18 | 2020-08-18 | Composite friction damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010830646.8A CN111910790A (en) | 2020-08-18 | 2020-08-18 | Composite friction damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111910790A true CN111910790A (en) | 2020-11-10 |
Family
ID=73279901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010830646.8A Pending CN111910790A (en) | 2020-08-18 | 2020-08-18 | Composite friction damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111910790A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113882735A (en) * | 2021-09-30 | 2022-01-04 | 北京筑信润捷科技发展有限公司 | Rotary friction coupling beam damper |
-
2020
- 2020-08-18 CN CN202010830646.8A patent/CN111910790A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113882735A (en) * | 2021-09-30 | 2022-01-04 | 北京筑信润捷科技发展有限公司 | Rotary friction coupling beam damper |
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