CN214833513U - Laminated rubber vibration isolation connecting device for heat absorption tower and heat absorber steel support - Google Patents
Laminated rubber vibration isolation connecting device for heat absorption tower and heat absorber steel support Download PDFInfo
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- CN214833513U CN214833513U CN202120698379.3U CN202120698379U CN214833513U CN 214833513 U CN214833513 U CN 214833513U CN 202120698379 U CN202120698379 U CN 202120698379U CN 214833513 U CN214833513 U CN 214833513U
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Abstract
The utility model discloses a heat absorption tower and steel support laminated rubber vibration isolation connecting device, which comprises more than two groups of laminated bearing structures which are linearly arranged or arranged in an array along the horizontal direction; each laminated bearing structure comprises a plurality of rubber layers and a plurality of steel plate layers; the rubber layers and the steel plate layers are horizontally arranged and are mutually laminated, namely, each two adjacent rubber layers are provided with one steel plate layer, and one rubber layer is arranged between each two adjacent steel plate layers; a lead core is arranged between every two adjacent laminated bearing structures; the upper surface and the lower surface of the more than two groups of laminated bearing structures are fixed through connecting steel plates and are respectively connected with corresponding vibration isolation supports and the tower top platform through the connecting steel plates. The utility model discloses can reduce the vibration of heat absorption tower pylon, weaken on the one hand and vibrate the upper portion that arouses because of wind and give the heat absorption tower for the downward transmission, on the other hand keeps apart the influence of ground motion to the heat absorber under the seismic action, prolongs its fatigue life.
Description
Technical Field
The utility model relates to a heat absorption tower and heat absorber steel support's the technical field of being connected, in particular to heat absorption tower and heat absorber steel support stromatolite rubber vibration isolation connecting device.
Background
Solar thermal power generation utilizes a large number of mirrors to concentrate solar radiant energy into a heat sink and convert it into thermal energy that is transferred to a heat transfer fluid, which uses the thermal energy to convert it into electrical energy via turbomachinery or other power generation equipment. According to different solar radiation energy collecting modes, the solar thermal power generation technology can be divided into four types, namely a tower type solar thermal power generation system, a groove type solar thermal power generation system, a disc type (Stirling) solar thermal power generation system and a linear Fresnel type solar thermal power generation system, and is a clean, renewable and widely distributed new energy form.
The tower type solar photo-thermal power generation reflects solar radiation to a heat absorber placed on a supporting tower through a plurality of heliostats tracking the movement of the sun, and is the mainstream form of the current photo-thermal power generation. The heat absorption tower is a core structure in a tower type solar photo-thermal power station, the total height of the structure is generally more than 200m, the most common steel-concrete mixed heat absorption tower consists of a concrete tower barrel and a steel tower frame supporting a heat collector at the upper part, and a plurality of equipment layers are arranged at the upper part of the structure, so that the load is concentrated at the top of the structure. Therefore, different from common high-rise structures, the overall mass distribution and the structural rigidity distribution of the heat absorption tower structure are uneven. The wind vibration effect of the structure of the heat absorption tower under the action of wind load is obvious, the wind load is a control load in the design process, and the wind load is a random load, and the wind flow generates complex airflow separation and vortex shedding when passing, so that the wind effect of the heat absorption tower is more complex.
In the prior art, the technology in the aspect of controlling the vibration of the high-rise structure is mainly to mount a damper on a tower body, and the vibration reduction is realized through tuning the vibration frequency of the damper and the vibration frequency of the structure. And does not consider the design principle of the shock insulation device in the building structure.
Therefore, how to control the vibration of the heat absorption tower from the vibration isolation point of view is a technical problem that needs to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned defect of prior art, the utility model provides a heat absorption tower and heat absorber steel support stromatolite rubber vibration isolation connecting device, the purpose of realization can reduce the vibration of heat absorption tower, weakens the upper portion vibration that arouses because of wind shakes on the one hand and gives the heat absorption tower for the downward transmission, and ground motion is to the influence of heat absorber under the on the other hand isolation seismic action, prolongs its fatigue life.
In order to achieve the above object, the utility model discloses a heat absorption tower and heat absorber steel support stromatolite rubber vibration isolation connecting device, the heat absorber steel support is connected, each through the top of the tower platform of a plurality of vibration isolation pillars with all be equipped with between the top of the tower platform connecting device.
Each connecting device comprises more than two groups of laminated bearing structures which are linearly arranged or arranged in an array along the horizontal direction;
each laminated bearing structure comprises a plurality of rubber layers and a plurality of steel plate layers; the rubber layers and the steel plate layers are horizontally arranged and are mutually laminated, namely, each two adjacent rubber layers are provided with one steel plate layer, and one rubber layer is arranged between each two adjacent steel plate layers;
a lead core is arranged between every two adjacent laminated bearing structures;
the upper surface and the lower surface of the more than two groups of laminated bearing structures are fixed through connecting steel plates, and are respectively connected with the corresponding vibration isolation support columns and the tower top platform through the connecting steel plates.
Preferably, each of the connecting steel plates is fixedly connected with the corresponding laminated bearing structure through a connecting bolt.
Preferably, the thickness of each steel plate layer is 0.5 to 0.8 times of the thickness of the corresponding rubber layer.
Preferably, the width of each steel plate layer is larger or smaller than that of the corresponding rubber layer.
Preferably, when the width of the steel plate layer is larger than the width of the rubber layer, the steel plate exposed type is formed, and when the width of the steel plate layer is smaller than the width of the rubber layer, the steel plate embedded type is formed.
Preferably, each of said rubber layers is subjected to a vulcanization process.
Preferably, each steel plate layer is subjected to anticorrosion treatment, and a protective layer is added to each rubber layer.
Preferably, each said laminated load bearing structure comprises 4 said steel plies and 3 said rubber plies.
The utility model has the advantages that:
the utility model discloses can keep apart heat absorber and lower part pylon, through the kind that changes rubber, the number of piles and thickness isoparametric, can adjust the rigidity of stromatolite rubber to the natural frequency of shaking that makes the heat absorber realizes controllably. By adjusting the natural frequency, the section which is easy to cause resonance can be avoided, and the occurrence of strong vibration such as resonance is reduced from the source.
The utility model discloses utilize the vibration isolation principle of stromatolite annular rubber, can effectually weaken upper portion vibration downward transmission, multiplicable damping adjusts the overall frequency of heat absorption tower, reduces the structural stress and the horizontal displacement of heat absorption tower, extension structure fatigue life, increases the whole security of structure.
The utility model discloses can weaken the influence of substructure vibration that arouses by seismic load to the heat absorber, make equipment device keep intact under extreme operating mode such as earthquake.
The utility model discloses do not occupy heat absorption tower pylon inner space, do not influence other equipment fixing and pipeline laying in the pylon.
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.
Drawings
Fig. 1 shows a schematic structural view of an embodiment of the present invention, which is disposed between a vibration isolation pillar and a tower top platform.
Fig. 2 shows a schematic structural diagram of an embodiment of the present invention.
Detailed Description
Examples
As shown in fig. 1 and 2, the laminated rubber vibration isolation connecting device for the heat absorption tower and the heat absorber steel support is characterized in that the heat absorber steel support is connected with a tower top platform 7 of the heat absorption tower through a plurality of vibration isolation supporting columns 6, and a connecting device is arranged between each vibration isolation supporting column 6 and the tower top platform 7.
Each connecting device comprises more than two groups of laminated bearing structures which are linearly arranged or arranged in an array along the horizontal direction;
each laminated bearing structure comprises a plurality of rubber layers 3 and a plurality of steel plate layers 4; the rubber layers 3 and the steel plate layers 4 are horizontally arranged and are mutually laminated, namely, each two adjacent rubber layers 3 are provided with one steel plate layer 4, and one rubber layer 3 is arranged between each two adjacent steel plate layers 4;
a lead core 5 is arranged between every two adjacent laminated bearing structures;
the upper surface and the lower surface of more than two groups of laminated bearing structures are fixed through connecting steel plates 1 and are respectively connected with corresponding vibration isolation supports 6 and a tower top platform 7 through the connecting steel plates 1.
In practical application, a laminated bearing structure formed by a plurality of rubber layers 3 and a plurality of steel plate layers 4 which are mutually laminated is used for bearing the weight and horizontal displacement of the heat absorber;
the lead core 5 arranged between every two adjacent laminated bearing structures is used for absorbing energy through plastic deformation when the rubber layer 3 is subjected to shear deformation, and can be restored to the original position through dynamic restoration and recrystallization processes after an earthquake.
Because the upper concentrated mass of the existing heat absorber is very large, the shock absorber provided by the invention is arranged between a plurality of vibration isolation supports 6 of a steel support of the heat absorber and a tower top platform 7 of a tower frame of the heat absorber, and a laminated bearing structure formed by a plurality of rubber layers 3 and a plurality of steel plate layers 4 which can slide relatively is matched with a lead core 5 to realize the shock buffering in the horizontal direction and the vertical direction, so that the shock bearing capacity is obviously improved, the damping effect is increased by the plurality of rubber layers 3, a reverse effect can be generated during the shock, and a higher damping effect is achieved; the shock absorption effect to the horizontal direction can be improved by means of the sealing ring, the PTFE plate and the like, the practicability is good, and the material characteristics and the progress are realized compared with the prior art.
The utility model can adjust the deformation energy consumption performance of the laminated bearing structure by disassembling and replacing according to different working conditions; the laminated bearing structure can be detached and replaced in time after being subjected to fatigue failure, and has a good energy consumption effect and strong self-resetting capability.
And the utility model discloses simple structure, deformation are big, can reduce the harm of building when various vibrations take place, have fine practicality, can be by the various similar occasions of extensive application.
In some embodiments, each connecting steel plate 1 is fixedly connected with the corresponding laminated bearing structure through a connecting bolt 2.
In some embodiments, the thickness of each steel deck 4 is 0.5 to 0.8 times the thickness of the corresponding rubber layer 3.
In some embodiments, the width of each steel deck layer 4 is greater or less than the corresponding rubber layer 3.
In practical applications, when the width of the steel layer 4 is larger than the width of the rubber layer 3, the steel plate exposed type is formed, and when the width of the steel layer 4 is smaller than the width of the rubber layer 3, the steel plate built-in type is formed.
In some embodiments, each rubber layer 3 is subjected to a vulcanization process.
In some embodiments, each steel plate layer 4 is subjected to corrosion prevention treatment, and each rubber layer 3 is added with a protective layer.
In some embodiments, each laminated load bearing structure comprises 4 steel plies 4, and 3 rubber plies 3.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (7)
1. The heat absorber tower and the heat absorber steel support laminated rubber vibration isolation connecting device are characterized in that the heat absorber steel support is connected with a tower top platform (7) of the heat absorber tower through a plurality of vibration isolation supports (6), and the connecting device is arranged between each vibration isolation support (6) and the tower top platform (7); the method is characterized in that:
each connecting device comprises more than two groups of laminated bearing structures which are linearly arranged or arranged in an array along the horizontal direction;
each laminated bearing structure comprises a plurality of rubber layers (3) and a plurality of steel plate layers (4); the rubber layers (3) and the steel plate layers (4) are horizontally arranged and are mutually overlapped, namely, each two adjacent rubber layers (3) are provided with one steel plate layer (4), and one rubber layer (3) is arranged between each two adjacent steel plate layers (4);
a lead core (5) is arranged between every two adjacent laminated bearing structures;
the upper surface and the lower surface of the more than two groups of laminated bearing structures are fixed through connecting steel plates (1), and are respectively connected with the corresponding vibration isolation support columns (6) and the tower top platform (7) through the connecting steel plates (1).
2. The laminated rubber vibration isolation connecting device for the tower and the steel bracket of the heat absorber as claimed in claim 1, wherein each connecting steel plate (1) is fixedly connected with the corresponding laminated bearing structure through a connecting bolt (2).
3. The laminated rubber vibration isolation connection device of a heat absorber tower and a steel bracket of a heat absorber according to claim 1, wherein the thickness of each steel plate layer (4) is 0.5 to 0.8 times of the thickness of the corresponding rubber layer (3).
4. The laminated rubber vibration isolation connection device of the heat absorber tower and the steel bracket of the heat absorber according to claim 1, wherein the width of each steel plate layer (4) is larger or smaller than the corresponding rubber layer (3).
5. The laminated rubber vibration isolation connecting device for the tower and the steel bracket of the heat absorber as claimed in claim 1, wherein each rubber layer (3) is treated by a vulcanization process.
6. The laminated rubber vibration isolation connecting device for the heat absorber tower and the heat absorber steel bracket according to claim 1, wherein each steel plate layer (4) is subjected to corrosion prevention treatment, and each rubber layer (3) is added with a protective layer.
7. The laminated rubber vibration isolation connection of a heat absorber tower and a steel support of a heat absorber according to claim 1, wherein each laminated load-bearing structure comprises 4 layers of said steel plate (4) and 3 layers of said rubber layer (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120698379.3U CN214833513U (en) | 2021-04-07 | 2021-04-07 | Laminated rubber vibration isolation connecting device for heat absorption tower and heat absorber steel support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120698379.3U CN214833513U (en) | 2021-04-07 | 2021-04-07 | Laminated rubber vibration isolation connecting device for heat absorption tower and heat absorber steel support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214833513U true CN214833513U (en) | 2021-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120698379.3U Active CN214833513U (en) | 2021-04-07 | 2021-04-07 | Laminated rubber vibration isolation connecting device for heat absorption tower and heat absorber steel support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214833513U (en) |
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2021
- 2021-04-07 CN CN202120698379.3U patent/CN214833513U/en active Active
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