CN212317211U - Composite friction damper - Google Patents
Composite friction damper Download PDFInfo
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- CN212317211U CN212317211U CN202021722444.3U CN202021722444U CN212317211U CN 212317211 U CN212317211 U CN 212317211U CN 202021722444 U CN202021722444 U CN 202021722444U CN 212317211 U CN212317211 U CN 212317211U
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Abstract
The utility model relates to a composite friction damper, including upper junction plate and lower connecting plate, be equipped with a well core 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 well core be located between two friction plates, and two big curb plates are located two friction plate outsides respectively to transversely run through back through at least a set of fastener with well core, two big curb plates and two friction plate fixed connection, and be equipped with the friction disc between well core and two friction plates respectively, be equipped with the flexure strip between two big curb plates and two friction plates respectively. The utility model discloses a friction plate can produce frictional force, and the flexure strip can warp along with it slightly, and it is solid to produce cold bonding or condensation between well core and two friction plates, between two big curb plates and two friction plates, optimizes bearing load ability.
Description
Technical Field
The utility model relates to a attenuator, especially a compound 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.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an increase friction disc and flexure strip, optimize the compound friction damper who bears load capacity.
In order to achieve the above purpose, the technical scheme of the utility model is that: 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 of the oil adding device is adopted, the utility model discloses be equipped with the friction disc between well core plate and two friction plates respectively, be equipped with the flexure strip between two big curb plates and two friction plates respectively for upper junction plate and lower connecting plate are when bearing load, and the friction strip can produce frictional force, and the flexure strip can be followed and slightly warp, and between well core plate and two friction plates, can not produce cold bonding or condensation between two big curb plates and two friction plates admittedly, optimize bearing load ability.
Drawings
Fig. 1 is a schematic diagram of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments, which are illustrated in 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.
The utility model discloses during the installation, install two friction discs 6 earlier in recess 9, with the relative cartridge of upper junction plate 1 and lower connecting plate 2 for well core plate 3 is located between two friction plates 5, and two big curb plates 4 are located two friction plates 5 outsides respectively. 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 utility model discloses a friction disc 6 can produce frictional force with friction plate 5, and flexure strip 7 can warp slightly thereupon, and it is solid that the cold bonding or condensation can not produce between well core plate 3 and two friction plates 5, between two big curb plates 4 and two friction plates 5, optimizes load-carrying capacity.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and improvements can be made without departing from the inventive concept, and all of them belong to the protection 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 |
|---|---|---|---|
| CN202021722444.3U CN212317211U (en) | 2020-08-18 | 2020-08-18 | Composite friction damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021722444.3U CN212317211U (en) | 2020-08-18 | 2020-08-18 | Composite friction damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212317211U true CN212317211U (en) | 2021-01-08 |
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ID=74036347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021722444.3U Active CN212317211U (en) | 2020-08-18 | 2020-08-18 | Composite friction damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212317211U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113756465A (en) * | 2021-09-26 | 2021-12-07 | 四川大学 | Variable-rigidity friction damper |
-
2020
- 2020-08-18 CN CN202021722444.3U patent/CN212317211U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113756465A (en) * | 2021-09-26 | 2021-12-07 | 四川大学 | Variable-rigidity friction damper |
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