CN115749031A - Anti-swing three-dimensional shock insulation support device - Google Patents
Anti-swing three-dimensional shock insulation support device Download PDFInfo
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- CN115749031A CN115749031A CN202211503758.8A CN202211503758A CN115749031A CN 115749031 A CN115749031 A CN 115749031A CN 202211503758 A CN202211503758 A CN 202211503758A CN 115749031 A CN115749031 A CN 115749031A
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- 230000035939 shock Effects 0.000 title claims abstract description 54
- 238000009413 insulation Methods 0.000 title claims abstract description 51
- 230000007246 mechanism Effects 0.000 claims abstract description 86
- 238000002955 isolation Methods 0.000 claims description 26
- 229920001971 elastomer Polymers 0.000 claims description 16
- 244000043261 Hevea brasiliensis Species 0.000 claims description 3
- 238000013016 damping Methods 0.000 claims description 3
- 229920003052 natural elastomer Polymers 0.000 claims description 3
- 229920001194 natural rubber Polymers 0.000 claims description 3
- 230000009471 action Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
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Abstract
The invention relates to the technical field of constructional engineering, in particular to an anti-swing three-dimensional shock insulation support device which comprises an upper concrete plate, a three-dimensional shock insulation support, an anti-swing device and a lower concrete plate, wherein the anti-swing device comprises an upper transverse horizontal sliding mechanism, a lower transverse horizontal sliding mechanism, a longitudinal horizontal sliding mechanism and a vertical sliding mechanism; the longitudinal horizontal sliding mechanism and the lower horizontal sliding mechanism form a rectangular structure; the vertical sliding mechanism is arranged between the upper horizontal sliding mechanism and the longitudinal horizontal sliding mechanism and is connected with the upper horizontal sliding mechanism through a connecting rod; the upper horizontal sliding mechanism and the lower horizontal sliding mechanism are connected with the three-dimensional shock insulation support, the shock insulation support device has higher rigidity in the vertical direction, the two horizontal directions and the direction around the horizontal shaft, the upper shock insulation structure can be effectively prevented from swinging in a multi-dimensional earthquake, and the three-dimensional shock insulation support can be freely deformed in three directions when the earthquake occurs, so that the shock insulation structure is prevented from overturning.
Description
Technical Field
The invention relates to the technical field of constructional engineering, equipment engineering and the like, in particular to an anti-swing three-dimensional shock insulation support device.
Background
The common vibration-isolating rubber support is successfully applied to vibration-isolating buildings and vibration-isolating bridges, and successfully embodies the horizontal earthquake action of the earthquake on the buildings or the bridges in multiple actual earthquakes. But the biggest shortcoming of the common rubber shock insulation support is that the common rubber shock insulation support does not have a shock absorption function in the vertical direction. From the seismic records measured by the major earthquakes of the past, the vertical earthquake occupies a great amount of the whole earthquake energy, and how to solve the problem of vertical shock isolation always is a great problem which puzzles the whole shock isolation boundary, particularly for some particularly important buildings and important equipment and instruments.
The thick-layer shock insulation rubber support has small vertical rigidity, so that the horizontal and vertical earthquake action of a building can be isolated to a certain degree, but when the height or the height-width ratio of the building is high, the whole shock insulation building can generate obvious left-right swinging under the earthquake action in three directions, and on one hand, the swinging benefit can increase the risk of overturning of the shock insulation building during the earthquake; on the other hand, the seismic isolation supports located on the periphery of the building generate extra tensile or compressive force due to the swinging effect, and the supports can be damaged by tension or shear pressure. How to solve the problem of swing of the three-dimensional shock insulation support becomes an important bottleneck for the development and application of the three-dimensional shock insulation device.
Disclosure of Invention
The invention aims to provide a three-dimensional shock isolation device with an anti-swing function, which can reduce the action of horizontal and vertical earthquakes and can prevent a shock isolation upper structure from swinging and overturning.
The invention realizes the purpose by the following technical scheme:
an anti-swing three-dimensional shock insulation support device comprises an upper concrete plate, a three-dimensional shock insulation support, an anti-swing device and a lower concrete plate, wherein the three-dimensional shock insulation support and the anti-swing device are arranged between the upper concrete plate and the lower concrete plate; the longitudinal horizontal sliding mechanism is arranged on the lower horizontal sliding mechanism and forms a rectangular structure together with the lower horizontal sliding mechanism; the number of the vertical sliding mechanisms is four, two ends of each vertical sliding mechanism are respectively connected with the upper transverse horizontal sliding mechanism and the longitudinal horizontal sliding mechanism, and the vertical sliding mechanisms are connected through connecting rods; the upper horizontal sliding mechanism and the lower horizontal sliding mechanism are both connected with the three-dimensional shock insulation support, and the bottom of the lower horizontal sliding mechanism is connected with the lower concrete slab.
Furthermore, the upper transverse horizontal sliding mechanism comprises two top transverse rails and top sliding blocks, sliding grooves are formed in the top sliding blocks, one side of each top transverse rail is connected with the two top sliding blocks in series, the top transverse rails are connected with the three-dimensional shock insulation support, and the top of the vertical sliding mechanism is connected with the lower portion of the top sliding block.
Furthermore, the lower transverse horizontal sliding mechanism comprises two bottom transverse rails and a bottom sliding block, the bottom of each bottom transverse rail is fixedly connected with the lower concrete slab, the bottom sliding block is arranged on the bottom transverse rails in a sliding mode, and two ends of the longitudinal horizontal sliding mechanism are connected with the bottom sliding blocks respectively.
Furthermore, the longitudinal horizontal sliding mechanism comprises two longitudinal short guide rails and a middle sliding block, and the bottoms of the longitudinal short guide rails are fixedly connected with the bottom sliding block.
Further, the vertical sliding mechanism comprises an inner sleeve and an outer sleeve; the top of inner skleeve with the bottom surface fixed connection of top slider, the bottom of outer skleeve with the top surface fixed connection of middle part slider, the outer skleeve is hollow structure, the inner skleeve by outer skleeve top opening part stretches into in the outer skleeve.
Furthermore, the three-dimensional isolation bearing comprises an upper connecting plate connected with an upper concrete plate, a lower connecting plate connected with a lower concrete plate and a rubber bearing arranged between the upper connecting plate and the lower connecting plate, the upper connecting plate is connected with an upper horizontal sliding mechanism, and the lower connecting plate is connected with a lower horizontal sliding mechanism.
Furthermore, the three-dimensional shock insulation support is consistent with the anti-shaking device in height.
Preferably, the connecting rod includes the connecting rod body and sets up in the connecting plate at connecting plate body both ends, the connecting rod passes through the connecting plate and is connected with the vertical slide mechanism of both sides.
Further, the rubber support is a natural rubber, a high damping rubber or a lead rubber support.
Compared with the prior art, the invention has the beneficial effects that:
1. the anti-swing three-dimensional shock insulation support device comprises the anti-swing device, the anti-swing device is arranged around three-dimensional shock insulation, and after the anti-swing device is connected with the upper concrete plate and the lower concrete plate into a whole, the anti-swing device has larger vertical rigidity, two horizontal rigidity and rotation rigidity around the horizontal axis direction, so that the upper shock insulation structure can be effectively prevented from swinging during multi-dimensional earthquake, the shock insulation structure is prevented from overturning, and the middle three-dimensional shock insulation support is effectively protected.
2. The anti-swing device in the anti-swing three-dimensional shock insulation support device is provided with the two horizontal sliding mechanisms, the longitudinal horizontal sliding mechanism and the vertical sliding mechanism, a free sliding system can be formed in the horizontal two directions and the vertical direction, and the middle three-dimensional shock insulation support can not be freely deformed in the three directions when an earthquake happens.
3. According to the anti-swing three-dimensional shock insulation support device, when the middle three-dimensional shock insulation support bears the vertical load exceeding the vertical pressure of the middle three-dimensional shock insulation support in an earthquake, the vertical sliding system of the anti-swing device bears the corresponding vertical load, and the safety of the middle three-dimensional shock insulation support is effectively protected.
4. The anti-swing three-dimensional shock insulation support device has a simple structure, can be manufactured and processed in a set, and is free of maintenance in the operation process.
Drawings
Fig. 1 is a schematic structural view of the anti-sway three-dimensional seismic isolation bearing device of the present invention.
Fig. 2 is a front view of the anti-sway three-dimensional seismically isolated mount apparatus of the present invention.
Fig. 3 is a schematic structural view of the three-dimensional seismic isolation bearing in fig. 1.
Fig. 4 is a schematic structural view of the shaking prevention device of fig. 1.
Fig. 5 is a schematic structural view of the connecting rod in fig. 4.
Detailed Description
The invention is described in detail below with reference to the figures and the specific embodiments.
Example 1.
As shown in fig. 1 to 5, the embodiment provides an anti-sway three-dimensional seismic isolation support device, which includes an upper concrete slab 1, a three-dimensional seismic isolation support 2, an anti-sway device 3 and a lower concrete slab 4, wherein the three-dimensional seismic isolation support 2 and the anti-sway device 3 are disposed between the upper concrete slab 1 and the lower concrete slab 4, the anti-sway device 3 is disposed around the three-dimensional seismic isolation support 2, and the anti-sway device 3 includes an upper horizontal sliding mechanism, a lower horizontal sliding mechanism, a longitudinal horizontal sliding mechanism and a vertical sliding mechanism; the longitudinal horizontal sliding mechanism is arranged on the lower horizontal sliding mechanism and forms a rectangular structure together with the lower horizontal sliding mechanism; the number of the vertical sliding mechanisms is four, two ends of each vertical sliding mechanism are respectively connected with the upper transverse horizontal sliding mechanism and the longitudinal horizontal sliding mechanism, and the vertical sliding mechanisms are connected through connecting rods 9; the upper horizontal sliding mechanism and the lower horizontal sliding mechanism are both connected with the three-dimensional shock insulation support 2, and the bottom of the lower horizontal sliding mechanism is connected with the lower concrete slab 4.
When no earthquake occurs, the vertical load of the upper shock insulation structure is transferred to the three-dimensional shock insulation support 2 through the upper concrete plate 1 of the device, and finally transferred to the lower fixed ground through the lower concrete plate 4, at the moment, the vertical sliding device in the anti-swing device is in a stretched state, and the anti-swing device 3 does not bear the vertical compression load when no earthquake occurs. When an earthquake occurs, the vertical sliding mechanism, the connecting rod, the upper concrete 1 and the lower concrete slab 4 in the anti-swing device 3 form two large horizontal direction rigidity and rotation rigidity around a horizontal shaft, meanwhile, a three-dimensional sliding system formed by the upper horizontal sliding mechanism, the lower horizontal sliding mechanism and the longitudinal horizontal sliding mechanism can enable the three-dimensional shock insulation support 2 in the middle to freely deform in three directions, so that the effect of relieving the earthquake in three directions is achieved, when the earthquake generates large vertical pressure, the vertical sliding mechanism in the anti-swing device 3 slides to bear corresponding vertical pressure load, and buckling damage caused by bearing of the overlarge vertical pressure load on the three-dimensional shock insulation support 2 in the middle is prevented.
The anti-swing three-dimensional shock insulation support device is simple in structure, can be manufactured and processed in a set, is free of maintenance in the operation process, and the anti-swing device 3 is arranged around the three-dimensional shock insulation, can effectively prevent the upper shock insulation structure from swinging during multi-dimensional earthquakes, prevents the shock insulation structure from overturning and effectively protects the middle three-dimensional shock insulation support 2.
The upper horizontal sliding mechanism comprises two top horizontal rails 31 and top sliding blocks 32, sliding grooves are formed in the top sliding blocks 32, each top horizontal rail 31 is connected with the two top sliding blocks 32 in series, the side faces of the top horizontal rails 31 are connected with the three-dimensional isolation supports 2, and the top of the vertical sliding mechanism is connected with the top sliding blocks 32.
The lower transverse horizontal sliding mechanism comprises two bottom transverse rails 38 and bottom sliding blocks 37, the bottoms of the bottom transverse rails 38 are fixedly connected with the lower concrete plate 4, the bottom sliding blocks 37 are arranged on the bottom transverse rails 38 in a sliding mode, and two ends of the longitudinal horizontal sliding mechanism are connected with the bottom sliding blocks 37 respectively.
The longitudinal horizontal sliding mechanism comprises two longitudinal short guide rails 36 and a middle sliding block 35, the bottom of each longitudinal short guide rail 36 is fixedly connected with a bottom sliding block 37, and at the moment, when the bottom sliding block 37 slides along a bottom transverse guide rail 38, the upper structure (including the longitudinal horizontal sliding mechanism) can be driven to slide transversely together.
Wherein the vertical sliding mechanism comprises an inner sleeve 33 and an outer sleeve 34; the top of inner skleeve 33 with the bottom surface fixed connection of top slider 32, the bottom of outer sleeve 34 with the top surface fixed connection of middle part slider 35, outer sleeve 34 is hollow structure, inner skleeve 33 by outer sleeve 34 open-top stretches into in the outer sleeve 34, when partly take place the earthquake, inner skleeve 33 does not insert completely in the outer sleeve 34, and anti-sway device 3 does not undertake vertical pressure, and when the earthquake produced great vertical pressure, inner skleeve 33 inserts outer sleeve 34 completely, undertakes corresponding vertical pressure load, prevents that the three-dimensional isolation bearing 2 in middle part from taking place buckling and destroying because of undertaking too big vertical pressure load.
The three-dimensional isolation bearing 2 comprises an upper connecting plate 21 connected with an upper concrete plate 1, a lower connecting plate 23 connected with a lower concrete plate 4 and a rubber bearing 22 arranged between the upper connecting plate 21 and the lower connecting plate 23, the side surface of the upper connecting plate 21 is connected with an upper transverse horizontal sliding mechanism, and the side surface of the lower connecting plate 23 is connected with a lower transverse horizontal sliding mechanism.
The three-dimensional isolation bearing 2 and the anti-shaking device 3 are identical in height, when no earthquake occurs, only the three-dimensional isolation bearing 2 bears a vertical load, and when a large earthquake occurs, the anti-shaking device 3 immediately generates a vertical load to protect the three-dimensional isolation bearing 2.
The connecting rod 9 comprises a connecting rod body 91 and connecting plates 92 arranged at two ends of the connecting plate body 91, and the connecting rod 9 is connected with vertical sliding mechanisms on two sides through the connecting plates 92.
Wherein, the rubber support 22 is a natural rubber, a high damping rubber or a lead rubber support.
According to the seismic isolation device, when no earthquake occurs, the vertical load of the upper seismic isolation structure is transmitted to the three-dimensional seismic isolation support 2 through the upper concrete plate 1 of the device, and finally transmitted to the lower fixed ground through the lower concrete plate 4; since the inner sleeve 33 of the shaking prevention device 3 is not completely inserted into the bottom of the outer sleeve 34, the shaking prevention device 3 does not bear a vertical pressing load when an earthquake does not occur. When an earthquake occurs, the anti-shaking device 3, the upper concrete 1 and the lower concrete plate 4, which are jointly formed by the connecting rod 9, the inner sleeve 33 and the outer sleeve 34, form high rigidity in two horizontal directions and rotation rigidity around a horizontal shaft, so that the anti-shaking device has an anti-shaking function, and meanwhile, a three-way sliding system formed by the top transverse sliding rail 31, the top sliding block 32, the middle sliding block 35, the longitudinal short guide rail 36, the bottom sliding block 37 and the bottom transverse guide rail 38 in the anti-shaking device 3 can enable the three-dimensional shock-insulation support 2 in the middle to freely deform in three directions, so that the effect of relieving the earthquake in three directions is achieved; in addition, when an earthquake generates a large vertical pressure in the example, the inner sleeve 33 in the anti-shaking device 3 is completely inserted into the bottom of the outer sleeve 34 to bear a corresponding vertical pressure load, so that the three-dimensional shock-insulation support 2 in the middle is prevented from buckling and damaging due to bearing of an overlarge vertical pressure load.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the invention, also technical features in the above embodiments or in different embodiments may be combined and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (9)
1. The anti-swing three-dimensional shock insulation support device is characterized by comprising an upper concrete plate, a three-dimensional shock insulation support, an anti-swing device and a lower concrete plate, wherein the three-dimensional shock insulation support and the anti-swing device are arranged between the upper concrete plate and the lower concrete plate;
the longitudinal horizontal sliding mechanism is arranged on the lower horizontal sliding mechanism, and a rectangular structure is formed by the longitudinal horizontal sliding mechanism and the lower horizontal sliding mechanism in a surrounding manner;
the number of the vertical sliding mechanisms is four, two ends of each vertical sliding mechanism are respectively connected with the upper transverse horizontal sliding mechanism and the longitudinal horizontal sliding mechanism, and the vertical sliding mechanisms are connected through connecting rods;
the upper horizontal sliding mechanism and the lower horizontal sliding mechanism are both connected with the three-dimensional shock insulation support, and the bottom of the lower horizontal sliding mechanism is connected with the lower concrete slab.
2. The anti-sway three-dimensional seismic isolation bearing assembly of claim 1 wherein said upper lateral sliding mechanism comprises two top lateral rails and top blocks, said top blocks having sliding grooves therein, two top blocks being connected in series on one side of each of said top lateral rails, said top lateral rails being connected to the top of the three-dimensional seismic isolation bearing, and the top of said vertical sliding mechanism being connected to the lower portion of the top blocks.
3. An anti-sway three-dimensional seismic isolation bearing assembly as claimed in claim 2 wherein said lower lateral sliding mechanism includes two bottom lateral rails and bottom blocks, the bottoms of said bottom lateral rails being fixedly attached to the lower concrete slab, said bottom blocks being slidably mounted on said bottom lateral rails, and the ends of said longitudinal sliding mechanism being respectively attached to said bottom blocks.
4. The anti-sway three-dimensional seismic isolation bearing of claim 3 wherein said longitudinal horizontal sliding mechanism comprises two longitudinal short rails and a middle slider, the bottom of said longitudinal short rails being fixedly connected to a bottom slider.
5. An anti-sway three-dimensional seismic mount as claimed in claim 4 wherein said vertical slide mechanism comprises an inner sleeve and an outer sleeve; the top of inner skleeve with the bottom surface fixed connection of top slider, the bottom of outer skleeve with the top surface fixed connection of middle part slider, the outer skleeve is hollow structure, the inner skleeve by outer skleeve top opening part stretches into in the outer skleeve.
6. The anti-sway three dimensional seismic mount assembly of claim 1, said three dimensional seismic mount comprising an upper connection plate connected to an upper concrete slab, a lower connection plate connected to a lower concrete slab, said upper connection plate being connected to an upper lateral sliding mechanism, said lower connection plate being connected to a lower lateral sliding mechanism, and a rubber mount disposed between said upper connection plate and said lower connection plate.
7. The anti-sway three-dimensional seismic mount assembly of claim 1, wherein the three-dimensional seismic mount is at a height consistent with the anti-sway assembly.
8. The anti-sway three-dimensional seismic isolation bearing arrangement of claim 1, wherein said connecting rod comprises a connecting rod body and connecting plates disposed at both ends of the connecting plate body, said connecting rod being connected to the vertical sliding mechanisms at both sides through the connecting plates.
9. An anti-sway three dimensional seismic mount assembly as set forth in claim 6 wherein said rubber mount is a natural rubber, high damping rubber or lead rubber mount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211503758.8A CN115749031B (en) | 2022-11-28 | Anti-swing three-dimensional shock insulation support device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211503758.8A CN115749031B (en) | 2022-11-28 | Anti-swing three-dimensional shock insulation support device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115749031A true CN115749031A (en) | 2023-03-07 |
| CN115749031B CN115749031B (en) | 2024-07-05 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10311162A (en) * | 1997-05-12 | 1998-11-24 | Taisei Corp | Base isolated building |
| JP2001082542A (en) * | 1999-09-17 | 2001-03-27 | Ohbayashi Corp | Three-dimensional base isolation device |
| CN111962570A (en) * | 2020-09-11 | 2020-11-20 | 广州大学 | Top shock insulation support for tunnel shock insulation |
| US20210301900A1 (en) * | 2017-10-18 | 2021-09-30 | Tongji University | A three-dimensional isolator with adaptive stiffness property |
| CN115126110A (en) * | 2022-07-11 | 2022-09-30 | 河北震安减隔震技术有限公司 | Vertical variable-rigidity three-dimensional shock insulation support |
| CN217581508U (en) * | 2022-04-19 | 2022-10-14 | 四川融海运通抗震科技有限责任公司 | Fixed shock insulation rubber support structure that anti-drawing and prevent toppling |
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10311162A (en) * | 1997-05-12 | 1998-11-24 | Taisei Corp | Base isolated building |
| JP2001082542A (en) * | 1999-09-17 | 2001-03-27 | Ohbayashi Corp | Three-dimensional base isolation device |
| US20210301900A1 (en) * | 2017-10-18 | 2021-09-30 | Tongji University | A three-dimensional isolator with adaptive stiffness property |
| CN111962570A (en) * | 2020-09-11 | 2020-11-20 | 广州大学 | Top shock insulation support for tunnel shock insulation |
| CN217581508U (en) * | 2022-04-19 | 2022-10-14 | 四川融海运通抗震科技有限责任公司 | Fixed shock insulation rubber support structure that anti-drawing and prevent toppling |
| CN115126110A (en) * | 2022-07-11 | 2022-09-30 | 河北震安减隔震技术有限公司 | Vertical variable-rigidity three-dimensional shock insulation support |
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