CN219622393U - Lead viscoelastic composite damper - Google Patents
Lead viscoelastic composite damper Download PDFInfo
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- CN219622393U CN219622393U CN202320433934.9U CN202320433934U CN219622393U CN 219622393 U CN219622393 U CN 219622393U CN 202320433934 U CN202320433934 U CN 202320433934U CN 219622393 U CN219622393 U CN 219622393U
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Abstract
The utility model provides a lead viscoelastic composite damper which comprises an inner steel pipe layer, an outer steel pipe layer, a viscoelastic rubber layer, a first end cover, a second end cover and a plurality of lead cores, wherein the first end of the inner steel pipe layer is fixedly connected with the first end cover, and the second end of the inner steel pipe layer stretches into the outer steel pipe layer; the first end of the outer steel tube layer is close to the first end cover, the second end of the outer steel tube layer is fixedly connected with the second end cover, and the viscoelastic rubber layer is arranged between the inner steel tube layer and the outer steel tube layer; the lead cores are respectively arranged radially, and respectively penetrate through the outer steel pipe layer, the viscoelastic rubber layer and the inner steel pipe layer, or respectively penetrate through the outer steel pipe layer and the viscoelastic rubber layer and are clamped and assembled with the outer side wall of the inner steel pipe layer. The lead viscoelastic composite damper provided by the utility model has better tension-compression deformation energy consumption performance by utilizing the yield performance of the lead core and the hysteresis deformation energy consumption performance of the viscoelastic rubber layer, and can play a role in three-dimensional deformation energy consumption.
Description
Technical Field
The utility model relates to the technical field of dampers, in particular to a lead viscoelastic composite damper.
Background
China is a country with frequent earthquake activities, and the earthquake can cause large-area house damage and collapse, so that serious threat is formed to the economic property safety of people. In order to reduce the huge loss caused by earthquake, the energy dissipation and shock absorption technology is rapidly developed in China in recent years. At present, the damper is arranged at the positions of nodes, supports, shear walls and the like of the building structure, and the earthquake energy is dissipated through bending, shearing deformation and the like of the damper, so that the influence of the earthquake on the main body structure is reduced, and the effects of energy consumption and shock absorption are achieved. In the prior art, the damper for dissipating energy and absorbing shock mainly comprises a lead-sticking viscoelastic composite damper, a metal damper, a viscous damper and a composite damper.
Lead is used as an excellent material with excellent performance of sound attenuation, shock absorption and shock resistance, has low rigidity and surface-core cube structural characteristics, so that the lead has higher flexibility and ductility, can disappear in the recovery and recrystallization process after deformation, can absorb a large amount of energy in the deformation process, has better deformation tracking and recovery capability, and is a good material for manufacturing a damper. The rubber as one kind of viscoelastic material has elasticity and viscosity, and is easy to produce relative motion under the action of external force, and the chain segment between molecules will produce relative slip and torsion to produce work and consume power.
At present, researchers have developed a lead-bonded viscoelastic composite damper by comprehensively utilizing the characteristics of lead and viscoelastic materials, however, the lead-bonded viscoelastic composite damper still has the following problems: the existing lead-bonded lead viscoelastic composite damper is poor in tensile compression deformation energy consumption under the action of earthquake load or wind load, and most of the existing lead-bonded lead viscoelastic composite damper adopts a lead core, and when the lead core does not undergo shear deformation, the energy consumption of the damper is only provided by a viscoelastic material, so that the energy consumption capability of the damper is greatly reduced, and the characteristic of three-dimensional deformation energy consumption cannot be achieved.
Disclosure of Invention
The utility model aims to provide a lead viscoelastic composite damper which can solve the problems that the existing lead viscoelastic composite damper is poor in pulling-pressing deformation energy consumption and cannot play a role in three-dimensional deformation energy consumption.
The utility model provides a lead viscoelastic composite damper which comprises an inner steel pipe layer, an outer steel pipe layer, a viscoelastic rubber layer, a first end cover, a second end cover and a plurality of lead cores, wherein the first end of the inner steel pipe layer is fixedly connected with the first end cover, and the second end of the inner steel pipe layer stretches into the outer steel pipe layer; the first end of the outer steel pipe layer is close to the first end cover, the second end of the outer steel pipe layer is fixedly connected with the second end cover, and the viscoelastic rubber layer is arranged between the inner steel pipe layer and the outer steel pipe layer; the lead cores are respectively arranged radially, and the axis of each lead core is respectively and vertically intersected with the axis of the inner steel pipe layer; each lead core respectively passes through the outer steel pipe layer, the viscoelastic rubber layer and the inner steel pipe layer, or each lead core respectively passes through the outer steel pipe layer, the viscoelastic rubber layer and the outer side wall of the inner steel pipe layer to be clamped and assembled.
According to the lead viscoelastic composite damper provided by the utility model, the outer steel pipe layer, the viscoelastic rubber layer and the inner steel pipe layer are all of circular pipe-shaped structures, and the outer steel pipe layer, the viscoelastic rubber layer and the inner steel pipe layer are coaxially arranged.
Or, the outer steel pipe layer, the viscoelastic rubber layer and the inner steel pipe layer are all square tubular structures, and the outer steel pipe layer, the viscoelastic rubber layer and the inner steel pipe layer are coaxially arranged.
According to the lead viscoelastic composite damper provided by the utility model, the inner steel pipe layer is provided with a plurality of first through holes for the corresponding passing of the lead cores, the outer steel pipe layer is provided with a plurality of second through holes for the corresponding passing of the lead cores, and the viscoelastic rubber layer is provided with a plurality of third through holes for the corresponding passing of the lead cores; an inner limit pipe is arranged on the inner side wall of the inner steel pipe layer at the position corresponding to each first through hole, one end of the inner limit pipe is fixedly connected with the inner side wall of the inner steel pipe layer, and the other end of the inner limit pipe is plugged; and the positions, corresponding to the second through holes, on the outer side wall of the outer steel pipe layer are respectively provided with an outer limit pipe, one end of each outer limit pipe is fixedly connected with the outer side wall of the outer steel pipe layer, and the other end of each outer limit pipe is plugged.
According to the lead viscoelastic composite damper provided by the utility model, the outer side wall of the inner steel pipe layer is provided with a plurality of clamping grooves matched with the lead cores, the outer steel pipe layer is provided with a plurality of second through holes for the corresponding passing of the lead cores, and the viscoelastic rubber layer is provided with a plurality of third through holes for the corresponding passing of the lead cores; and the positions, corresponding to the second through holes, on the outer side wall of the outer steel pipe layer are respectively provided with an outer limit pipe, one end of each outer limit pipe is fixedly connected with the outer side wall of the outer steel pipe layer, and the other end of each outer limit pipe is plugged.
According to the lead viscoelastic composite damper provided by the utility model, the first end cover and the second end cover are both round steel plates; a first through hole is formed in the center of the first end cover, and the first end of the inner steel pipe layer is connected to the first through hole so that the inner steel pipe layer is communicated with the first through hole; and a second through hole is formed in the center of the second end cover, and the second end of the outer steel pipe layer is connected to the second through hole so that the outer steel pipe layer is communicated with the second through hole.
According to the lead viscoelastic composite damper provided by the utility model, the first end cover is provided with the plurality of first bolt holes, the plurality of first bolt holes are annularly and uniformly arranged on the periphery of the inner steel pipe layer, and the axes of the first bolt holes are respectively parallel to the axis of the inner steel pipe layer.
According to the lead viscoelastic composite damper provided by the utility model, the second end cover is provided with the plurality of second bolt holes, the plurality of second bolt holes are annularly arranged on the periphery of the outer steel pipe layer, and the axes of the second bolt holes are respectively parallel to the axis of the outer steel pipe layer.
According to the lead viscoelastic composite damper provided by the utility model, the inner side wall of the viscoelastic rubber layer is fixedly bonded with the outer side wall of the inner steel pipe layer, and the outer side wall of the viscoelastic rubber layer is fixedly bonded with the inner side wall of the outer steel pipe layer.
According to the lead viscoelastic composite damper provided by the utility model, the inner side and/or the outer side of the viscoelastic rubber layer are respectively provided with the steel plate layers.
According to the lead viscoelastic composite damper provided by the utility model, the length of the inner steel pipe layer is h1, and the length of the outer steel pipe layer is h2, wherein h1=h2; the spacing between the inner steel tube layer and the second end cap is d1, and the spacing between the outer steel tube layer and the first end cap is d2, wherein d1=d2.
According to the lead viscoelastic composite damper provided by the utility model, the length of the viscoelastic rubber layer is 2-3 cm smaller than that of the inner steel pipe layer, and the length of the viscoelastic rubber layer is 2-3 cm smaller than that of the outer steel pipe layer.
According to the lead viscoelastic composite damper provided by the utility model, each lead core is of a cylindrical structure, and the lead cores are all positioned on the same horizontal plane.
The utility model provides a lead viscoelastic composite damper, which comprises an inner steel pipe layer, an outer steel pipe layer, a viscoelastic rubber layer, a first end cover, a second end cover and a plurality of lead cores, wherein the first end of the inner steel pipe layer is fixedly connected with the first end cover, the second end of the inner steel pipe layer stretches into the outer steel pipe layer, the first end of the outer steel pipe layer is close to the first end cover, the second end of the outer steel pipe layer is fixedly connected with the second end cover, the viscoelastic rubber layer is arranged between the inner steel pipe layer and the outer steel pipe layer, the plurality of lead cores are respectively arranged in a radial mode, the axes of the lead cores are respectively perpendicular to the axes of the inner steel pipe layer, the lead cores can respectively penetrate through the outer steel pipe layer, the viscoelastic rubber layer and the inner steel pipe layer, and can also be clamped with the outer side wall of the inner steel pipe layer, so that the lead cores are better in deformation and automatic recovery performance due to the fact that the lead cores are better in the yield performance and the hysteresis deformation energy consumption performance of the viscoelastic rubber layer are arranged near the first end cover, and the lead cores are respectively arranged in a radial mode, and the lead cores are better in a radial mode, and the lead cores are respectively stressed and are better in a radial mode, and are enabled to be respectively deformed with the inner steel pipe layer and the inner steel pipe layer. Therefore, the lead viscoelastic composite damper provided by the utility model has the advantages of simple structure, convenience in manufacturing and installation, light weight, economy and strong practicability, and can be simultaneously used for damping control and wind vibration control of engineering structures.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front view of a lead viscoelastic composite damper of the present utility model;
FIG. 2 is a cross-sectional view taken along A-A of FIG. 1;
FIG. 3 is a B-B cross-sectional view of FIG. 2;
FIG. 4 is a schematic view of another lead viscoelastic composite damper according to the present utility model;
FIG. 5 is a schematic view of another lead viscoelastic composite damper according to the present utility model;
FIG. 6 is a C-C cross-sectional view of FIG. 5;
FIG. 7 is a schematic view of a first end cap of a lead viscoelastic composite damper according to the present utility model;
FIG. 8 is a schematic view of another lead viscoelastic composite damper according to the present utility model;
FIG. 9 is a D-D sectional view of FIG. 8;
FIG. 10 is a cross-sectional view of the inner steel tube layer of the lead viscoelastic composite damper of the present utility model;
FIG. 11 is another cross-sectional view of the inner steel tube layer in the lead viscoelastic composite damper of the present utility model;
FIG. 12 is a cross-sectional view of an outer steel tube layer in a lead viscoelastic composite damper of the present utility model;
FIG. 13 is a cross-sectional view of a viscoelastic rubber layer in a lead viscoelastic composite damper of the present utility model.
Reference numerals illustrate:
1. an inner steel pipe layer; 101. a first through hole; 102. a clamping groove; 2. an outer steel pipe layer; 201. a second through hole; 3. a viscoelastic rubber layer; 301. a third through hole; 4. a first end cap; 401. a first bolt hole; 5. a second end cap; 501. a second bolt hole; 6. a lead; 7. an inner limit tube; 8. an outer limit tube; 9. and (3) a steel plate layer.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. Furthermore, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Specific embodiments of the lead viscoelastic composite damper of the present utility model are described below with reference to fig. 1 to 13.
The lead viscoelastic composite damper comprises an inner steel pipe layer 1, an outer steel pipe layer 2, a viscoelastic rubber layer 3, a first end cover 4, a second end cover 5 and a plurality of lead cores 6, wherein the first end of the inner steel pipe layer 1 is fixedly connected with the first end cover 4, and the second end of the inner steel pipe layer 1 stretches into the outer steel pipe layer 2. The first end of the outer steel pipe layer 2 is arranged close to the first end cover 4, the second end of the outer steel pipe layer 2 is fixedly connected with the second end cover 5, and the viscoelastic rubber layer 3 is arranged between the inner steel pipe layer 1 and the outer steel pipe layer 2. The lead cores 6 are respectively arranged radially, and the axis of each lead core 6 is respectively and vertically intersected with the axis of the inner steel pipe layer 1. That is, each lead 6 is provided toward the axis of the inner steel pipe layer 1, and the axial direction of each lead 6 is perpendicular to the axial direction of the inner steel pipe layer 1.
Wherein each lead 6 can be made to pass through the outer steel tube layer 2, the viscoelastic material layer 3 and the inner steel tube layer 1, respectively. Alternatively, each lead 6 may be inserted through the outer steel pipe layer 2 and the viscoelastic rubber layer 3, and each lead 6 may be engaged with the outer side wall of the inner steel pipe layer 1.
According to the lead viscoelastic composite damper provided by the embodiment of the utility model, the viscoelastic rubber layer 3 is arranged between the inner steel pipe layer 1 and the outer steel pipe layer 2, the plurality of lead cores 6 are arranged, and each lead core 6 penetrates through the outer steel pipe layer 2, the viscoelastic rubber layer 3 and the inner steel pipe layer 1 respectively, or each lead core 6 penetrates through the outer steel pipe layer 2 and the viscoelastic rubber layer 3 respectively and is clamped and combined with the inner steel pipe layer 1, so that the deformation coordination and the deformation automatic recovery performance of the lead viscoelastic composite damper are better by utilizing the yield performance of the lead cores 6 and the hysteresis deformation energy consumption performance of the viscoelastic rubber layer 3, and the tension-compression deformation energy consumption performance of the lead viscoelastic composite damper is better due to the radial arrangement of the plurality of lead cores 6, so that the effect of three-dimensional deformation energy consumption is achieved.
Therefore, the lead viscoelastic composite damper provided by the embodiment of the utility model has the advantages of simple structure, convenience in manufacturing and installation, light weight, economy and strong practicability, and can be simultaneously used for damping control and wind vibration control of engineering structures.
Specifically, the number of the lead 6 to be set may be set according to actual use requirements, and for example, a plurality of two, three or more may be provided. In order to ensure uniformity of stress of each lead 6, each lead 6 is uniformly arranged in a radial shape.
Specifically, as shown in fig. 3, in a specific embodiment, the outer steel pipe layer 2, the viscoelastic rubber layer 3 and the inner steel pipe layer 1 are all in a circular pipe structure, and the outer steel pipe layer 2, the viscoelastic rubber layer 3 and the inner steel pipe layer 1 are coaxially arranged, so that the structure among the outer steel pipe layer 2, the viscoelastic rubber layer 3 and the inner steel pipe layer 1 is more stable and reliable.
In another embodiment, as shown in fig. 4, the outer steel pipe layer 2, the viscoelastic rubber layer 3 and the inner steel pipe layer 1 are all square tubular structures, and the outer steel pipe layer 2, the viscoelastic rubber layer 3 and the inner steel pipe layer 1 are coaxially disposed.
Specifically, as shown in fig. 2, 3 and 4, in one embodiment, a plurality of first through holes 101 through which the respective lead cores 6 pass are provided in the inner steel pipe layer 1, a plurality of second through holes 201 through which the respective lead cores 6 pass are provided in the outer steel pipe layer 2, and a plurality of third through holes 301 through which the respective lead cores 6 pass are provided in the viscoelastic rubber layer 3. Wherein, the positions corresponding to the first through holes 101 on the inner side wall of the inner steel pipe layer 1 are respectively provided with an inner side limiting pipe 7, one end of the inner side limiting pipe 7 is fixedly connected with the inner side wall of the inner steel pipe layer 1, and the other end of the inner side limiting pipe 7 is plugged. The outer side walls of the outer steel pipe layers 2 are respectively provided with an outer side limiting pipe 8 at positions corresponding to the second through holes 201, one end of each outer side limiting pipe 8 is fixedly connected with the outer side walls of the outer steel pipe layers 2, and the other ends of the outer side limiting pipes 8 are plugged. That is, by providing the inner limit pipe 7 and the outer limit pipe 8, the lead 6 can be limited and fixed, and the lead is prevented from coming out of the corresponding first through hole 101, third through hole 301, and second through hole 201. The first end of the lead 6 is disposed inside the inner limiting tube 7 and can be in contact with the blocking end of the inner limiting tube 7, so that limiting and fixing of the first end of the lead 6 are achieved. The second end of the lead 6 is arranged in the outer limit pipe 8 and can be in contact with the blocking end of the outer limit pipe 8, so that the limit fixing of the second end of the lead 6 is realized.
As shown in fig. 5 and 6, in another embodiment, a plurality of clamping grooves 102 matched with the lead cores are provided on the outer side wall of the inner steel pipe layer 1, a plurality of second through holes 201 through which the lead cores 6 correspondingly pass are provided on the outer steel pipe layer 2, and a plurality of third through holes 301 through which the lead cores 6 correspondingly pass are provided on the viscoelastic rubber layer 3. The outer side walls of the outer steel pipe layers 2 are respectively provided with an outer side limiting pipe 8 at positions corresponding to the second through holes 201, one end of each outer side limiting pipe 8 is fixedly connected with the outer side walls of the outer steel pipe layers 2, and the other ends of the outer side limiting pipes 8 are plugged. That is, one end of the lead 6 can be fixed by the outer limit pipe 8, and the other end of the lead 6 can be fixed by the clip groove 102.
Specifically, as shown in fig. 7, the first end cap 4 and the second end cap 5 are parallel to each other, the first end cap 4 is welded to the inner steel pipe layer 1, the second end cap 5 is welded to the outer steel pipe layer 2, and both the first end cap 4 and the second end cap 5 are made of round steel plates. The arrangement of the first end cover 4 and the second end cover 5 can make the structure of the lead viscoelastic composite damper more stable and reliable.
Of course, the first end cover 4 and the second end cover 5 may also be rectangular steel plates, or may also be steel plates of other shapes, according to practical requirements.
In some embodiments of the present utility model, the first end cap 4 is provided with a plurality of first bolt holes 401, the plurality of first bolt holes 401 are uniformly arranged on the periphery of the inner steel pipe layer 1 in a ring shape, and the axes of the first bolt holes 401 are parallel to the axis of the inner steel pipe layer 1 respectively. The second end cover 5 is provided with a plurality of second bolt holes 501, the plurality of second bolt holes 501 are annularly arranged on the periphery of the outer steel pipe layer 2, and the axes of the second bolt holes 501 are parallel to the axis of the outer steel pipe layer 2 respectively. By providing the first bolt hole 401 in the first end cap 4 and providing the second bolt hole 501 in the second end cap 5, the lead viscoelastic composite damper is reliably connected to an external structure by bolts using the first bolt hole 401 and the second bolt hole 501.
In some embodiments of the present utility model, the inner sidewall of the viscoelastic rubber layer 3 is adhesively fixed to the outer sidewall of the inner steel pipe layer 1, and the outer sidewall of the viscoelastic rubber layer 3 is adhesively fixed to the inner sidewall of the outer steel pipe layer 2, thereby ensuring the connection reliability among the inner steel pipe layer 1, the viscoelastic rubber layer 3, and the outer steel pipe layer 2.
In some embodiments of the present utility model, the steel plate layers 9 may be disposed at the inner side or the outer side of the viscoelastic rubber layer 3, respectively, or the steel plate layers 9 may be disposed at the inner side and the outer side of the viscoelastic rubber layer 3, respectively, so as to increase the overall structural strength of the lead viscoelastic composite damper, as shown in fig. 8 and 9.
Of course, it is also possible to provide a plurality of viscoelastic rubber layers 3 and a plurality of steel plate layers 9 between the inner steel pipe layer 1 and the outer steel pipe layer 2, and alternately arrange each viscoelastic rubber layer 3 and each steel plate layer 9 with each other, that is, one inner steel pipe layer 1 and one steel plate layer 9 are sequentially stacked from inside to outside.
In some embodiments of the utility model, the length of the inner steel pipe layer 1 is h1 and the length of the outer steel pipe layer 2 is h2, wherein h1=h2. The distance between the inner steel tube layer 1 and the second end cap 5 is d1 and the distance between the outer steel tube layer 2 and the first end cap 4 is d2, wherein d1=d2. The length of the viscoelastic rubber layer 3 is 2-3 cm smaller than the length of the inner steel pipe layer 1, and the length of the viscoelastic rubber layer 3 is 2-3 cm smaller than the length of the outer steel pipe layer 2. By the arrangement mode, when the inner steel pipe layer 1 and the outer steel pipe layer 2 generate relative displacement under the action of earthquake load and wind load, the viscoelastic rubber layer 3 can play a good role in hysteresis energy consumption.
In some embodiments of the present utility model, each lead 6 has a cylindrical structure, and each lead 6 is on the same horizontal plane, so that a good three-dimensional deformation energy consumption effect is achieved through the arrangement mode between the leads 6.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (10)
1. The lead viscoelastic composite damper is characterized by comprising an inner steel tube layer, an outer steel tube layer, a viscoelastic rubber layer, a first end cover, a second end cover and a plurality of lead cores, wherein the first end of the inner steel tube layer is fixedly connected with the first end cover, and the second end of the inner steel tube layer stretches into the outer steel tube layer; the first end of the outer steel pipe layer is close to the first end cover, the second end of the outer steel pipe layer is fixedly connected with the second end cover, and the viscoelastic rubber layer is arranged between the inner steel pipe layer and the outer steel pipe layer; the lead cores are respectively arranged radially, and the axis of each lead core is respectively and vertically intersected with the axis of the inner steel pipe layer; each lead core respectively passes through the outer steel pipe layer, the viscoelastic rubber layer and the inner steel pipe layer, or each lead core respectively passes through the outer steel pipe layer, the viscoelastic rubber layer and the outer side wall of the inner steel pipe layer to be clamped and assembled.
2. The lead viscoelastic composite damper of claim 1, wherein the outer steel tube layer, the viscoelastic rubber layer and the inner steel tube layer are all of a circular tube-like structure, and the outer steel tube layer, the viscoelastic rubber layer and the inner steel tube layer are coaxially arranged;
or, the outer steel pipe layer, the viscoelastic rubber layer and the inner steel pipe layer are all square tubular structures, and the outer steel pipe layer, the viscoelastic rubber layer and the inner steel pipe layer are coaxially arranged.
3. The lead viscoelastic composite damper according to claim 1, wherein a plurality of first through holes through which the lead cores pass are provided on the inner steel pipe layer, a plurality of second through holes through which the lead cores pass are provided on the outer steel pipe layer, and a plurality of third through holes through which the lead cores pass are provided on the viscoelastic rubber layer; an inner limit pipe is arranged on the inner side wall of the inner steel pipe layer at the position corresponding to each first through hole, one end of the inner limit pipe is fixedly connected with the inner side wall of the inner steel pipe layer, and the other end of the inner limit pipe is plugged; and the positions, corresponding to the second through holes, on the outer side wall of the outer steel pipe layer are respectively provided with an outer limit pipe, one end of each outer limit pipe is fixedly connected with the outer side wall of the outer steel pipe layer, and the other end of each outer limit pipe is plugged.
4. The lead viscoelastic composite damper according to claim 1, wherein a plurality of clamping grooves matched with the lead cores are formed in the outer side wall of the inner steel pipe layer, a plurality of second through holes through which the lead cores correspondingly pass are formed in the outer steel pipe layer, and a plurality of third through holes through which the lead cores correspondingly pass are formed in the viscoelastic rubber layer; and the positions, corresponding to the second through holes, on the outer side wall of the outer steel pipe layer are respectively provided with an outer limit pipe, one end of each outer limit pipe is fixedly connected with the outer side wall of the outer steel pipe layer, and the other end of each outer limit pipe is plugged.
5. The lead viscoelastic composite damper of claim 1, wherein the first end cap and the second end cap are both circular steel plates; a first through hole is formed in the center of the first end cover, and the first end of the inner steel pipe layer is connected to the first through hole so that the inner steel pipe layer is communicated with the first through hole; and a second through hole is formed in the center of the second end cover, and the second end of the outer steel pipe layer is connected to the second through hole so that the outer steel pipe layer is communicated with the second through hole.
6. The lead viscoelastic composite damper according to claim 1, wherein the first end cover is provided with a plurality of first bolt holes, the plurality of first bolt holes are annularly and uniformly arranged on the periphery of the inner steel pipe layer, and the axis of each first bolt hole is parallel to the axis of the inner steel pipe layer;
the second end cover is provided with a plurality of second bolt holes, the second bolt holes are annularly arranged on the periphery of the outer steel pipe layer, and the axis of each second bolt hole is parallel to the axis of the outer steel pipe layer.
7. The lead viscoelastic composite damper of any one of claims 1 to 6, wherein the inner side wall of the viscoelastic rubber layer is adhesively secured to the outer side wall of the inner steel tube layer and the outer side wall of the viscoelastic rubber layer is adhesively secured to the inner side wall of the outer steel tube layer.
8. The lead viscoelastic composite damper according to any one of claims 1 to 6, wherein steel plate layers are provided on the inner side and/or the outer side of the viscoelastic rubber layer, respectively.
9. The lead viscoelastic composite damper of any one of claims 1 to 6, wherein the inner steel tube layer has a length h1 and the outer steel tube layer has a length h2, where h1=h2; a spacing between the inner steel tube layer and the second end cap is d1, and a spacing between the outer steel tube layer and the first end cap is d2, wherein d1=d2;
the length of the viscoelastic rubber layer is 2-3 cm smaller than that of the inner steel pipe layer, and the length of the viscoelastic rubber layer is 2-3 cm smaller than that of the outer steel pipe layer.
10. The lead viscoelastic composite damper of any one of claims 1 to 6, wherein each of the lead cores is of cylindrical configuration and each of the lead cores is on the same horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320433934.9U CN219622393U (en) | 2023-03-08 | 2023-03-08 | Lead viscoelastic composite damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320433934.9U CN219622393U (en) | 2023-03-08 | 2023-03-08 | Lead viscoelastic composite damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219622393U true CN219622393U (en) | 2023-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320433934.9U Active CN219622393U (en) | 2023-03-08 | 2023-03-08 | Lead viscoelastic composite damper |
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| Country | Link |
|---|---|
| CN (1) | CN219622393U (en) |
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2023
- 2023-03-08 CN CN202320433934.9U patent/CN219622393U/en active Active
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