CN220486794U - Constrained metal damper - Google Patents
Constrained metal damper Download PDFInfo
- Publication number
- CN220486794U CN220486794U CN202321773924.6U CN202321773924U CN220486794U CN 220486794 U CN220486794 U CN 220486794U CN 202321773924 U CN202321773924 U CN 202321773924U CN 220486794 U CN220486794 U CN 220486794U
- Authority
- CN
- China
- Prior art keywords
- plate
- connecting plate
- stiffening
- web
- metal damper
- Prior art date
- 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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- 239000002184 metal Substances 0.000 title claims abstract description 27
- 238000005452 bending Methods 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims 1
- 238000013016 damping Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000003466 welding Methods 0.000 description 9
- 230000006872 improvement Effects 0.000 description 4
- 230000035939 shock Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 2
- 230000000452 restraining effect Effects 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
Landscapes
- Vibration Dampers (AREA)
Abstract
The utility model discloses a constraint type metal damper, and aims to provide a constraint type metal damper with a web plate with strong out-of-plane buckling resistance. The device comprises an upper connecting plate, a lower connecting plate, web plates, stiffening plates and a stop block, wherein two ends of the web plates are fixedly connected with the upper connecting plate and the lower connecting plate respectively, the stiffening plates are respectively positioned at two sides of the web plates and are attached to the surfaces of the web plates, and the stop block is fixedly connected to the upper connecting plate and is attached to the surface of one side, close to the outer side, of the stiffening plates; the lower end of the stiffening plate is bent in an L shape, and the end part of the bent horizontal section of the stiffening plate is welded with the lower connecting plate; and a gap is formed between the upper end of the stiffening plate and the upper connecting plate. The utility model can effectively prevent buckling damage outside the plane of the web plate and ensure that the damping energy consumption effect of the metal damper is not reduced for a long time.
Description
Technical Field
The utility model relates to the technical field of damping equipment, in particular to a constraint metal damper.
Background
The energy dissipation and shock absorption technology is characterized in that an energy dissipation and shock absorption device is added, so that the earthquake action born by the original main body structure is obviously reduced, the aim of controlling the earthquake reaction of the main body structure is fulfilled, and the damage degree of the main body structure is reduced.
The metal damper is a common damping device, and is a passive energy consumption device which is manufactured by utilizing the characteristics of low yield strength and strong plastic deformation capability of mild steel. In the existing metal damper, the two ends of the middle web plate are connected with the upper connecting plate and the lower connecting plate by adopting welding seams, the middle web plate is easy to be sheared and damaged and is easy to be damaged by out-of-plane buckling, and meanwhile, the welding seams at the two ends of the metal damper are easy to be invalid by bending deflection stress, so that the damping energy consumption effect of the damper is reduced.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provides a constraint metal damper. It can effectively ensure
In order to solve the technical problems, the utility model is realized by the following technical scheme:
a constraint metal damper comprises an upper connecting plate, a lower connecting plate, web plates, stiffening plates and a stop block, wherein two ends of the web plates are fixedly connected with the upper connecting plate and the lower connecting plate respectively; the lower end of the stiffening plate is bent in an L shape, and the end part of the bent horizontal section of the stiffening plate is welded with the lower connecting plate; and a gap is formed between the upper end of the stiffening plate and the upper connecting plate.
Preferably, the device further comprises a right flange plate, wherein two ends of the right flange plate are respectively fixedly connected with the upper connecting plate and the lower connecting plate, and a left flange plate, two ends of which are respectively fixedly connected with the upper connecting plate and the lower connecting plate; the left flange plate and the right flange plate are respectively positioned at two sides of the length direction of the web plate and are attached to the web plate.
Preferably, the left flange plate and the right flange plate are both in a shape of , and the bending part is in an arc shape.
Preferably, the length of the stiffening plate is 2/5-3/5 of the length of the web.
Preferably, the bending part at the lower end of the stiffening plate is arc-shaped.
Preferably, the radius of the arc at the bending position of the lower end of the stiffening plate is 8-12mm.
Preferably, the cross section of the stop is rectangular, and the length of the stop is not smaller than the length of the stiffening plate in the direction.
Preferably, the web is a steel plate of model LY100, model LY160 or model LY225, and the stiffening plate is a steel plate of model Q235 or model Q355.
Compared with the prior art, the utility model has the following advantages:
(1) The two sides of the web plate are reinforced by bonding the stiffening plates, and the welding positions at the upper end and the lower end of the web plate can be effectively protected, namely, the deflection angle of the welding positions is smaller than that of the welding positions in the prior art, so that the problem of stress concentration caused by the welding positions is solved, the buckling damage outside the plane of the web plate is effectively prevented, and the long-term non-reduction of the damping energy consumption effect of the metal damper is ensured.
(2) The upper end of the stiffening plate adopts surface constraint, and compared with the linear constraint adopted by the traditional metal damper in the market, the stiffening plate has larger constraint surface and better effect of preventing the metal damper from buckling deformation out of the plane; the lower end adopts an L-shaped bending mode, most of bending stress is concentrated at the bending position when the lower end is stressed, and the stress at the welding seam can be reduced to a certain extent, so that the reliability of the welding seam connection at the lower end is ensured.
(3) The metal damper has the advantages of simple structure, ingenious design, convenient processing, low cost, safety, reliability, stability, firmness and the like.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a left side view of fig. 1.
FIG. 3 is a schematic view of a stiffener.
In the figure: 1-upper connecting plate, 2-web, 3-dog, 4-stiffening plate, 5-right flange plate, 6-left flange plate, 7-lower connecting plate, 8-clearance.
Detailed Description
In order to more clearly illustrate the objects, technical solutions and advantages of the present utility model, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the embodiments described below are only some, but not all, embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive effort, are within the scope of protection of the present utility model based on the embodiments described below.
In the description of the present utility model, technical or scientific terms used should be given the ordinary meaning as understood by one of ordinary skill in the art to which the present utility model belongs. It should be noted that unless explicitly stated or limited otherwise, the terms "mounted," "connected," "configured," and the like are to be construed broadly and include, for example, fixedly connected, configured, detachably connected, configured, and integrally connected and configured. The terms "coupled" and "connected," and the like, are not limited to physical or mechanical connections, but may also include electrical connections, as those skilled in the art will appreciate the particular meaning of the terms in this disclosure as appropriate. The terms "comprises," "comprising," or the like, are intended to cover an element or article appearing before the term and the equivalents thereof recited after the term, without excluding other elements or articles. The terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not denote or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model.
Meanwhile, in order to keep the following description of the embodiments of the present utility model clear and concise, detailed descriptions of known functions and known components are omitted.
As shown in fig. 1-3, the constraint metal damper of the utility model comprises an upper connecting plate 1, a lower connecting plate 7, web plates 2, stiffening plates 4 and stop blocks 3, wherein two ends of each web plate 2 are respectively fixedly connected with the upper connecting plate 1 and the lower connecting plate 7, the stiffening plates 4 are respectively positioned at two sides of each web plate 2 and are attached to the surfaces of the web plates 2, and the stop blocks 3 are fixedly connected to the upper connecting plate 1 and are attached to the surfaces of the outer sides of the stiffening plates 4; the lower end of the stiffening plate 4 is bent in an L shape, and the end part of the bent horizontal section of the stiffening plate is welded with the lower connecting plate 7; a gap 8 is formed between the upper end of the stiffening plate 4 and the upper connecting plate 1; the gap spacing is preferably 10 mm.
As a further improvement of the embodiment, the device also comprises a right flange plate 5 with two ends respectively fixedly connected with the upper connecting plate 1 and the lower connecting plate 7, and a left flange plate 6 with two ends respectively fixedly connected with the upper connecting plate 1 and the lower connecting plate 7; the left flange plate 6 and the right flange plate 5 are respectively positioned at two sides of the length direction of the web plate 2 and are attached to the web plate 2. The left flange plate 6 and the right flange plate 5 can further increase the shock resistance of the metal damper, and can be used in occasions meeting higher requirements.
As a further improvement of the embodiment, the left flange plate 6 and the right flange plate 5 are both in a shape of , the bending part is in an arc shape, and the radius of the arc shape is preferably 8-12mm, so that the structure can concentrate the stress of bending deformation at the bending part, reduce the stress of welding seams with the upper connecting plate 1 and the lower connecting plate 7, and improve the reliability of connection.
As a preferable technical scheme of the embodiment, the length of the stiffening plate 4 is 2/5-3/5 of the length of the web plate 2, and the stiffening plate is specifically adjusted according to the thickness of the web plate and the stress requirement.
As a further improvement of the embodiment, the bending part of the lower end of the stiffening plate 4 is arc-shaped, and the arc radius of the bending part of the lower end of the stiffening plate 4 is preferably 8-12mm, and the structure of the stiffening plate has the beneficial effects similar to the bending parts of the left flange plate 6 and the right flange plate 5.
As a preferred solution of this embodiment, the cross section of the stop 3 is rectangular, and its length is not smaller than the length of the stiffening plate 4 in this direction, and obviously, the cross section of the stop may be other suitable shapes, such as right triangle.
In this embodiment, the web 2 is preferably a steel plate of model LY100, LY160 or LY225, and the stiffening plates 4, the upper connecting plate 1, the lower connecting plate 7, the left flange plate 6, the right flange plate 5 and the stop 3 are all preferably steel plates of model Q235 or Q355.
During assembly, the upper connecting plate 1, the lower connecting plate 7 and the web plate 2 are welded into a whole, then the left flange plate 6 and the right flange plate 5 are welded, the stiffening plate 4 is welded tightly to the web plate 2, and the stop block 3 is welded tightly to the stiffening 4 rib. The stiffening plate is attached to the web plate, the stiffening plate is used for restraining the web plate, and the position of the web plate is limited and the buckling outside the web plate is controlled through the restraining function of the stiffening plate, so that the service life of the web plate is prolonged.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the present utility model. Any modification, equivalent replacement, and improvement of the technical solution or part of the technical features described in the above specific embodiments should be included in the protection scope of the present utility model, which should be included in the spirit and principle of the present utility model, for those skilled in the art.
Claims (10)
1. A constraint type metal damper comprises an upper connecting plate (1), a lower connecting plate (7) and a web plate (2) with two ends fixedly connected with the upper connecting plate (1) and the lower connecting plate (7) respectively; the method is characterized in that: the device also comprises stiffening plates (4) which are respectively positioned at two sides of the web plate (2) and are attached to the surface of the web plate (2), and stop blocks (3) which are fixedly connected to the upper connecting plate (1) and are attached to the surface of the outer side of the stiffening plates (4); the lower end of the stiffening plate (4) is bent in an L shape, and the end part of the bent horizontal section of the stiffening plate is welded with the lower connecting plate (7); a gap (8) is arranged between the upper end of the stiffening plate (4) and the upper connecting plate (1).
2. The constrained metal damper of claim 1, wherein: the device also comprises a right flange plate (5) with two ends respectively fixedly connected with the upper connecting plate (1) and the lower connecting plate (7), and a left flange plate (6) with two ends respectively fixedly connected with the upper connecting plate (1) and the lower connecting plate (7); the left flange plate (6) and the right flange plate (5) are respectively positioned at two sides of the length direction of the web plate (2) and are attached to the web plate (2).
3. The constrained metal damper of claim 2, wherein: the left flange plate (6) and the right flange plate (5) are both in a shape of , and the bending part is in an arc shape.
4. A constrained metal damper as claimed in any one of claims 1 to 3, wherein: the length of the stiffening plate (4) is 2/5-3/5 of the length of the web plate (2).
5. A constrained metal damper as claimed in any one of claims 1 to 3, wherein: the bending part at the lower end of the stiffening plate (4) is arc-shaped.
6. The constrained metal damper of claim 4, wherein: the radius of the arc at the bending part of the lower end of the stiffening plate (4) is 8-12mm.
7. A constrained metal damper as claimed in any one of claims 1 to 3, wherein: the cross section of the stop block (3) is rectangular, and the length of the stop block is not smaller than the length of the stiffening plate (4) in the direction.
8. The constrained metal damper of claim 4, wherein: the cross section of the stop block (3) is rectangular, and the length of the stop block is not smaller than the length of the stiffening plate (4) in the direction.
9. The constrained metal damper of claim 5, wherein: the cross section of the stop block (3) is rectangular, and the length of the stop block is not smaller than the length of the stiffening plate (4) in the direction.
10. A constrained metal damper as claimed in any one of claims 1 to 3, wherein: the web (2) adopts a steel plate of LY100, LY160 or LY225 type, and the stiffening plate (4) adopts a steel plate of Q235 or Q355 type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321773924.6U CN220486794U (en) | 2023-07-07 | 2023-07-07 | Constrained metal damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321773924.6U CN220486794U (en) | 2023-07-07 | 2023-07-07 | Constrained metal damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220486794U true CN220486794U (en) | 2024-02-13 |
Family
ID=89832027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321773924.6U Active CN220486794U (en) | 2023-07-07 | 2023-07-07 | Constrained metal damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220486794U (en) |
-
2023
- 2023-07-07 CN CN202321773924.6U patent/CN220486794U/en active Active
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