CN210134548U - Fireproof shock insulation support device under earthquake action - Google Patents
Fireproof shock insulation support device under earthquake action Download PDFInfo
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- CN210134548U CN210134548U CN201920347773.5U CN201920347773U CN210134548U CN 210134548 U CN210134548 U CN 210134548U CN 201920347773 U CN201920347773 U CN 201920347773U CN 210134548 U CN210134548 U CN 210134548U
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Abstract
The utility model discloses a fire-proof shock insulation support device under earthquake action, the shock insulation support comprises a rubber layer and an interlayer steel plate which are arranged at intervals in a stacking way from top to bottom, the middle part of the shock insulation support is provided with a support core from top to bottom, a shock-absorption fire protection layer is arranged around the periphery of the shock insulation support, the shock-absorption fire protection layer is of a net structure and comprises a plurality of fire-proof balls as net structure nodes, and the adjacent fire-proof balls are connected through a rigid spring; the fireproof ball comprises a ball shell and a shape memory alloy block arranged in the center of the ball shell, fireproof paint is filled around the shape memory alloy block in the ball shell, and paint overflow holes are distributed on the surface of the fireproof ball; fireproof rock wool is filled in a gap between the cushioning fireproof protective layer and the shock insulation support. The utility model has good fireproof performance, can achieve normal shock insulation effect when a fire disaster occurs, and can ensure the safety of the building; and the structure of the shock insulation support can not be damaged and the shock insulation can not be failed due to the earthquake vibration, and the building can be protected for a long time.
Description
Technical Field
The utility model relates to a fire prevention shock insulation support device under earthquake action belongs to building structure and takes precautions against earthquakes and subtracts the calamity field.
Background
In recent years, the earthquake with excessive magnitude and large destruction degree occurs in China, for example, the Wenchuan Ms 8.0 earthquake causes nearly 9 thousands of people to die or lose, the Lushan Ms 7.0 earthquake causes 196 people to be in distress and 21 people to lose track. With the rapid development of national economy of China, the number of built shock-insulation buildings in China has rapidly increased in recent years, and according to the statistics of China exploration design Association, the number of the shock-insulation buildings in China exceeds 3000 by 12 months in 2016. The shock absorption effect of the shock-insulation building can not be realized without the design of a shock-insulation structure, and the shock-insulation support is a part of the shock-insulation structure.
The shock insulation support is a rubber product and is an important part in a shock insulation building, but on one hand, the fire resistance of the shock insulation support is poor, after a fire disaster occurs, the fire resistance of the shock insulation support can cause great influence on the normal use of the building, and in order to ensure that the shock insulation building can be normally used when the fire disaster occurs and further ensure the safety of the building, the fire prevention structure of a shock insulation node of the shock insulation building must be considered emphatically; on the other hand, require during the shock insulation building design with the relevant building element of shock insulation can freely remove when the earthquake comes, but under the irregular vibration effect of earthquake, relative dislocation can take place for shock insulation support superstructure and substructure, and the great displacement can take place for shock insulation support between superstructure and the substructure this moment, leads to the destruction of support structure and the inefficacy of shock insulation then, can't effectively protect the building.
SUMMERY OF THE UTILITY MODEL
To the problem that above-mentioned prior art exists, the utility model aims at providing a fire prevention shock insulation support device under earthquake action, fire behavior is good, do not influence normal use when taking place the conflagration, and can not lead to structural failure and shock insulation inefficacy because earthquake vibrations, can provide lasting protection to the building.
In order to achieve the above object, the utility model adopts the following technical scheme: a fireproof shock insulation device under the action of earthquake comprises a shock insulation support arranged between an upper building structure and a lower building structure, wherein the shock insulation support comprises a rubber layer and an interlayer steel plate which are arranged in a stacked mode at intervals from top to bottom, a support core penetrates through the middle of the shock insulation support from top to bottom, a shock absorption fireproof protection layer is arranged around the periphery of the shock insulation support, the shock absorption fireproof protection layer is of a net-shaped structure and comprises a plurality of fireproof balls serving as net-shaped structure nodes, and adjacent fireproof balls are connected through rigid springs; the fireproof ball comprises a ball shell and a shape memory alloy block arranged in the center of the ball shell, fireproof paint is filled around the shape memory alloy block in the ball shell, and a plurality of paint overflow holes are distributed on the surface of the fireproof ball; the upper edge of the cushioning fireproof protection layer is fixed on the upper building structure, the lower edge of the cushioning fireproof protection layer is fixed on the lower building structure, and fireproof rock wool is filled in a gap between the cushioning fireproof protection layer and the shock insulation support.
Preferably, the spherical shell of fire prevention ball includes two ceramic aerogel hemisphere shells, and the opening of two ceramic aerogel hemisphere shells is relative and bonds respectively on the both sides surface of a circular go-between, fills fire retardant coating around shape memory alloy piece in the cavity that two ceramic aerogel hemisphere shells enclose, and the coating spills the opening distribution that the hole encircles ceramic aerogel hemisphere shell and establishes the surface at ceramic aerogel hemisphere shell. The aerogel is composed of air or free space and ceramic, metal, particle, powder or carbon solid medium, wherein the proportion of the air or free space is more than 99%, therefore, the aerogel can be very light, while the ceramic aerogel has more excellent properties, such as light weight, excellent heat insulation and chemical stability, and can be operated under high temperature condition in corrosive environment, thereby playing an effective fire-proof role in fire, therefore, the ceramic aerogel is adopted as the ball shell material of the fire-proof ball. For conveniently making fire prevention ball, convenient the change simultaneously, this bobble is in the same place through gluing for circular go-between by two hemisphere shells, and when the damage of fire prevention ball caused because the misoperation needs to be changed in the use, will prevent that the fire ball split is two hemispheres, and the part direct replacement of damage can for new to it is more convenient to make the installation or the change of bobble.
Preferably, the ceramic aerogel semispherical shell is made of three-dimensional hBN ceramic aerogel. The three-dimensional hBN ceramic aerogel has excellent fireproof capacity, negative thermal expansion coefficient and negative Poisson's ratio, has the characteristics of ultralight and super heat insulation, has high mechanical strength, can improve the integral support degree of the shock isolation device in a fire disaster, and further reduces the possibility of support damage.
The upper edge and the lower edge of the shock-absorption fireproof protection layer can be fixed on the upper building structure and the lower building structure through bonding, bolt connection and the like. Preferably, the periphery of the bottom of the upper building structure and the periphery of the top of the lower building structure are provided with fixing hooks in a surrounding manner, and the rigid springs of the shock absorption fireproof protection layer close to the upper edge and the lower edge are fixedly hung on the corresponding fixing hooks. Such setting has made things convenient for the quick setting installation of bradyseism fire protection layer, also dismantles easily when unexpected damage appears in bradyseism fire protection layer and gets off and carry out quick replacement.
Preferably, the material of the shape memory alloy block is one of Ni-Ti-based shape memory alloy, magnetic control shape memory alloy and Cu-based memory alloy, and the shape memory alloy block is fixed inside the fire-proof ball through a steel wire. The shape memory alloy block is fixed inside the fire-proof ball through the steel wire, and the fixing structure is stable, simple and convenient to install and operate.
In order to facilitate the installation of the rigid spring, spring connecting holes are distributed at the edge of the round connecting ring. The end part of the rigid spring can be directly connected to the spring connecting hole, so that the connection between the fireproof ball and the fireproof ball is facilitated.
Preferably, the fire-proof balls are arranged in a plane, and the fire-proof balls in adjacent rows and adjacent columns are staggered. The distance between adjacent fire-proof balls can be reduced by the arrangement, the number of the fire-proof balls arranged on the plane with the same area is more, and the energy absorption and fire prevention capacity of the shock-absorption fire-proof protection layer can be improved.
Preferably, the rigid spring is made of stainless steel, and the surface is coated with a fireproof paint. The corrosion of the rigid spring is avoided in the using process, the rigid spring has fireproof capacity, and the loss of the supporting and cushioning effects of the cushioning fireproof protective layer after burning is avoided.
Compared with the prior art, the utility model discloses following advantage has:
(1) the support core of the utility model has a certain yield force and can provide support for the shock insulation support; the interlayer steel plate is tightly bonded with the rubber layer, and when the shock insulation support bears vertical load when a building vibrates, the transverse deformation of the rubber layer is restrained by the interlayer steel plate, so that the shock insulation support has great vertical rigidity as a whole; when the shock insulation support bears the load in the horizontal direction, the sandwich steel plate can not influence the normal shearing deformation of the rubber layer under the conditions of the same rubber material and the total thickness, the inherent flexibility of the rubber is kept, and the horizontal rigidity can not be changed.
The shock insulation support protective layer is composed of a hollow fire-proof ball and a rigid spring, and the fire-proof ball is arranged at the joint of the net. When an earthquake occurs, the rigid spring can absorb part of energy, so that the displacement of the shock insulation support under the action of the earthquake is reduced, and the risk of damage to the shock insulation support is reduced; and the rigid spring can recover the initial state after the earthquake shock stops, thereby being beneficial to recovering the shock insulation support to a certain degree, ensuring that the structure can be continuously used, and further providing durable protection for shock insulation of buildings.
(2) The fireproof rock wool is wrapped to protect the shock insulation support so as to achieve the purpose of fire prevention; the fire-proof ball made of the ceramic aerogel semispherical shell with light weight, heat insulation and high chemical stability can be operated under the high-temperature condition in a corrosive environment, thereby playing an effective fire-proof role in fire.
(3) The shape memory alloy adopted by the utility model is a novel intelligent material with peculiar shape memory effect and hyperelasticity. Firstly, the shape memory alloy is made into a block shape, and is subjected to plastic deformation at low temperature to be compressed to a smaller volume, and then the block shape memory alloy can be filled with sufficient fireproof coating after being placed in the center of a fireproof ball; when a fire disaster happens during an earthquake, along with the rise of temperature, the volume of the shape memory alloy block in the fireproof ball is increased, then the fireproof coating is extruded to overflow to the outside of the fireproof ball through the coating overflow hole, along with the rise of temperature, components in the fireproof coating generate a thicker honeycomb carbon layer through physical and chemical reaction, and then gaps between adjacent fireproof balls are filled, so that on one hand, heat is effectively blocked, combustible substances and oxygen are inhibited from entering a space surrounded by the cushioning fireproof protective layer, and the shock insulation support surrounded by the shock insulation support is subjected to three-dimensional fire prevention; on the other hand, after the gaps between the adjacent fireproof balls are filled with the fireproof coating, the fireproof balls and the rigid springs on the whole cushioning fireproof protective layer are protected, the earthquake impact and direct contact combustion are reduced, and the service life is prolonged.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of FIG. 1 with the shock-absorbing fire protection layer omitted;
FIG. 3 is a sectional structure diagram of the seismic isolation bearing of the present invention;
FIG. 4 is a schematic view of the connection between the fire-proof ball and the rigid spring in the shock-absorbing fire-proof protection layer of the present invention;
FIG. 5 is a front view of the fire-proof ball in the cushioning fire-proof protective layer of the present invention;
FIG. 6 is a top view of FIG. 5;
FIG. 7 is a schematic view of a shape memory alloy slug secured within a circular connecting ring;
FIG. 8 is a schematic view of the isolation bearing fixedly attached to the underlying building structure;
in the figure, 1, an upper building structure, 2, a lower building structure, 10, a seismic isolation support, 11, a rubber layer, 12, a sandwich steel plate, 13, a support core, 14, bolts, 20, a cushioning and fireproof protective layer, 21, a fireproof ball, 21-1, a ceramic aerogel semispherical shell, 21-2, a circular connecting ring, 21-2-1, a spring connecting hole, 21-3, a shape memory alloy block, 21-4, a steel wire, 21-5, a coating overflow hole, 22, a rigid spring and 30, fireproof rock wool.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in the figure, the fireproof shock isolation device under the earthquake action comprises a shock isolation support 10 arranged between an upper building structure 1 and a lower building structure 2, wherein the shock isolation support 10 comprises a rubber layer 11 and an interlayer steel plate 12 which are arranged in a stacked mode at intervals from top to bottom, a support core 13 penetrates through the middle of the shock isolation support 10 from top to bottom, a shock absorption fireproof protection layer 20 is arranged around the periphery of the shock isolation support 10, the shock absorption fireproof protection layer 20 is of a net-shaped structure and comprises a plurality of fireproof balls 21 serving as net-shaped structure nodes, and the adjacent fireproof balls 21 are connected through rigid springs 22; the fireproof ball 21 comprises a ball shell and a shape memory alloy block 21-3 arranged in the center of the ball shell, fireproof paint is filled around the shape memory alloy block 21-3 in the ball shell, and a plurality of paint overflow holes 21-5 are distributed on the surface of the fireproof ball 21; the upper edge of bradyseism fire protection layer 20 is fixed on upper portion building structure 1, and the lower limb of bradyseism fire protection layer 20 is fixed on lower part building structure 2, and the space between bradyseism fire protection layer 20 and shock insulation support 10 is filled there is fire prevention rock wool 30.
The fireball 21 may be composed of tantalum-hafnium carbide alloy, graphite, foamed metal, zirconium diboride, titanium diboride, silicon carbide, and other novel materials having fire-retardant capabilities. Preferably, the spherical shell of the fireproof ball 21 comprises two ceramic aerogel semispherical shells 21-1, the openings of the two ceramic aerogel semispherical shells 21-1 are opposite and respectively bonded to the two side surfaces of a circular connecting ring 21-2, a fireproof coating is filled around the shape memory alloy block 21-3 in the cavity surrounded by the two ceramic aerogel semispherical shells 21-1, and the coating overflow holes 21-5 are distributed on the surface of the ceramic aerogel semispherical shell 21-1 surrounding the openings of the ceramic aerogel semispherical shell 21-1. The aerogel is composed of air or free space and ceramic, metal, particle, powder or carbon solid medium, wherein the ratio of air or free space is greater than 99%, therefore, the aerogel can be very light, while the ceramic aerogel has more excellent properties, such as light weight, excellent thermal insulation and chemical stability, and can be operated under high temperature condition in corrosive environment, thereby playing an effective fire-proof role in fire, therefore, the ceramic aerogel is adopted as the ball shell material of the fire-proof ball 21. In order to conveniently manufacture the fireproof ball 21 and facilitate replacement, the small ball is formed by adhering two hemispherical shells together through a circular connecting ring 21-2, when the fireproof ball 21 is damaged and needs to be replaced due to improper operation in the using process, the fireproof ball 21 is split into two hemispheres, the damaged part is directly replaced by a new one, and therefore the small ball is more convenient to install or replace.
Preferably, the ceramic aerogel semispherical shell 21-1 is made of three-dimensional hBN ceramic aerogel. The three-dimensional hBN ceramic aerogel has excellent fireproof capacity, negative thermal expansion coefficient and negative Poisson's ratio, has the characteristics of ultralight and super heat insulation, has high mechanical strength, can improve the integral support degree of the shock isolation device in a fire disaster, and further reduces the possibility of support damage.
The upper and lower edges of the cushioning and fire-protecting layer 20 may be fixed to the upper and lower building structures 1 and 2 by means of bonding, bolting, etc. Preferably, the bottom periphery of the upper building structure 1 and the top periphery of the lower building structure 2 are provided with fixing hooks around, and the rigid springs 22 of the shock-absorbing fire-proof protection layer 20 close to the upper edge and the lower edge are fixedly hung on the corresponding fixing hooks. Such setting has made things convenient for the quick setting installation of bradyseism fire protection layer 20, also dismantles easily when unexpected damage appears in bradyseism fire protection layer 20 and gets off and carry out quick replacement.
Preferably, the shape memory alloy block 21-3 is made of one of Ni-Ti-based shape memory alloy, magnetron shape memory alloy and Cu-based memory alloy, and the shape memory alloy block 21-3 is fixed inside the fireball 21 by a steel wire 21-4. The shape memory alloy block 21-3 is fixed inside the fire-proof ball 21 through the steel wire 21-4, and the fixing structure is stable and simple and is convenient to install and operate.
In order to facilitate the installation of the rigid spring 22, spring connecting holes 21-2-1 are distributed on the edge of the circular connecting ring 21-2. The end of the rigid spring 22 may be directly connected to the spring connection hole 21-2-1, facilitating the connection between the fire ball 21 and the fire ball 21.
Preferably, the plurality of fire-proof balls 21 are arranged in a plane, and the fire-proof balls 21 in adjacent rows and adjacent columns are arranged in a staggered manner. The arrangement can reduce the distance between the adjacent fireproof balls 21, the number of the fireproof balls 21 arranged on the plane with the same area is more, and the energy absorption and fireproof capacity of the cushioning fireproof protection layer 20 can be improved.
Preferably, the stiff spring 22 is made of stainless steel and is surface coated with a fire retardant coating. The use process avoids the corrosion of the rigid spring 22, and the rigid spring 22 has the fireproof capability, thereby avoiding the loss of the supporting and cushioning effects of the cushioning fireproof protective layer 20 after burning.
Preferably, the support core 13 is a tin core. The tin core has large yield force, provides better rigid support for the seismic isolation support 10, and is more environment-friendly.
The utility model discloses in, rubber layer 11 and intermediate layer steel sheet 12 among the isolation bearing 10 are vulcanized through high temperature pressurization and are bonded and make, have higher intensity. The rubber layer 11 is added with a vulcanizing agent, a filler (reinforcing or non-reinforcing), an antioxidant, a softening agent, and the like, in addition to the natural rubber.
The upper building structure 1 and the lower building structure 2 are generally concrete columns or concrete beams. When the cushioning fireproof protective layer 20 is manufactured, the radius of the fireproof ball 21 and the length of the rigid spring 22 are determined according to the size of the shock insulation support and convenience for workers to install; on the basis, the radius of the fireproof ball 21 is as large as possible, the length of the rigid spring 22 is as small as possible, the shorter rigid spring 22 can ensure the supporting degree of the rigid spring 22 on one hand, and on the other hand, the situation that when the coating on the fireproof ball 21 overflows to the hole 21-5, the fireproof coating cannot completely fill the gap between the fireproof balls 21 after flowing out can be prevented, and the normal realization of the fireproof function is ensured.
The method for fire prevention and shock insulation by using the device comprises the following steps:
A. placing a seismic isolation support 10 with multiple layers of rubber layers 11 and sandwich steel plates 12 in a space between an upper building structure 1 and a lower building structure 2, enabling the top end of the seismic isolation support 10 to be abutted against the bottom surface of the upper building structure 1, and fixing the bottom of the seismic isolation support 10 on the upper surface of the lower building structure 2 through bolts 14;
B. manufacturing fire-proof balls 21, taking a plurality of fire-proof balls 21 which are provided with shape memory alloy blocks 21-3 in the ball shells and filled with fire-proof paint as nodes of a net structure, and connecting the adjacent fire-proof balls 21 together through rigid springs 22 to form a cushioning fire-proof protective layer 20;
C. the periphery of the bottom of the upper building structure 1 and the periphery of the top of the lower building structure 2 are distributed and provided with fixed hooks in a surrounding manner, rigid springs 22 of the shock absorption fireproof protection layer 20 close to the upper edge and the lower edge are hung on the corresponding fixed hooks, and fireproof rock wool 30 is filled in a gap between the shock absorption fireproof protection layer 20 and the seismic isolation support 10;
D. when an earthquake occurs and the isolation bearing 10 bears a vertical load, the transverse deformation of the rubber layer 11 is restrained by the upper and lower sandwich steel plates 12, so that the isolation bearing 10 has great vertical rigidity as a whole; when the seismic isolation support 10 bears a load in the horizontal direction, under the conditions of the same rubber material and total thickness, the sandwich steel plate 12 does not influence the normal shearing deformation of the rubber layer 11, the inherent flexibility of rubber is kept, and the horizontal rigidity is not changed; the rigid spring 22 can absorb partial energy, so that the displacement of the vibration isolation support 10 under the action of an earthquake is reduced, the damage risk of the vibration isolation support 10 is reduced, and the rigid spring 22 can recover the initial state after the earthquake shock stops, so that the vibration isolation support 10 can recover a certain degree, the structure can be ensured to be continuously used, and the building can be protected for a long time;
E. when a fire breaks out while an earthquake happens, along with the rise of temperature, the volume of the shape memory alloy block 21-3 in the fireproof ball 21 is increased, the fireproof coating is extruded to overflow to the outside of the fireproof ball 21 through the coating overflow hole 21-5, and then gaps between the adjacent fireproof balls 21 are filled, so that on one hand, heat is effectively blocked, combustible substances and oxygen are prevented from entering a space surrounded by the cushioning fireproof protective layer 20, and the shock insulation support 10 surrounded by the shock insulation support is subjected to three-dimensional fire prevention; on the other hand, after the gaps between the adjacent fire-proof balls 21 are filled with the fire-proof coating, the whole shock-absorption fire-proof protection layer 20 is protected, and accidental damage under the action of an earthquake is avoided; the fireproof rock wool 30 protects the seismic isolation support 10 in a wrapping mode.
In the above method, the fire-proof ball 21 can be made in the following way:
a) the ceramic aerogel is manufactured into a ceramic aerogel semispherical shell 21-1 in a semispherical shell shape, and a plurality of coating overflow holes 21-5 are distributed on the surface of the ceramic aerogel semispherical shell 21-1 around the opening of the ceramic aerogel semispherical shell 21-1;
b) spring connecting holes 21-2-1 are distributed on the edge of the circular connecting ring 21-2, and a shape memory alloy block 21-3 manufactured at a low temperature is arranged in the circular connecting ring 21-2 through a fixed steel wire 21-4;
c) bonding the opening of one ceramic aerogel semispherical shell 21-1 on one side surface of the circular connecting ring 21-2, placing fireproof paint in the ceramic aerogel semispherical shell 21-1, and bonding the opening of the other ceramic aerogel semispherical shell 21-1 on the other side surface of the circular connecting ring 21-2 to obtain the fireproof ball 21.
Claims (8)
1. The fireproof shock insulation support device under the earthquake action comprises a shock insulation support (10) arranged between an upper building structure (1) and a lower building structure (2), and is characterized in that the shock insulation support (10) comprises a rubber layer (11) and an interlayer steel plate (12) which are arranged at an upper interval and a lower interval in a stacking mode, a support core (13) penetrates through the middle of the shock insulation support (10) from top to bottom, a shock-absorption fireproof protection layer (20) surrounds the periphery of the shock insulation support (10), the shock-absorption fireproof protection layer (20) is of a net-shaped structure and comprises a plurality of fireproof balls (21) serving as nodes of the net-shaped structure, and adjacent fireproof balls (21) are connected through rigid springs (22); the fireproof ball (21) comprises a ball shell and a shape memory alloy block (21-3) arranged in the center of the ball shell, fireproof paint is filled around the shape memory alloy block (21-3) in the ball shell, and a plurality of paint overflow holes (21-5) are distributed on the surface of the fireproof ball (21); the upper edge of bradyseism fire protection layer (20) is fixed on upper portion building structure (1), and the lower limb of bradyseism fire protection layer (20) is fixed on lower part building structure (2), and the space between bradyseism fire protection layer (20) and shock insulation support (10) is filled there is fire prevention rock wool (30).
2. The fire-proof shock-insulation support device under the action of an earthquake according to claim 1, wherein the spherical shell of the fire-proof ball (21) comprises two ceramic aerogel semispherical shells (21-1), the openings of the two ceramic aerogel semispherical shells (21-1) are opposite and are respectively bonded on the two side surfaces of a round connecting ring (21-2), the fire-proof coating is filled around the shape memory alloy block (21-3) in the cavity enclosed by the two ceramic aerogel semispherical shells (21-1), and the coating overflow holes (21-5) are distributed on the surface of the ceramic aerogel semispherical shell (21-1) in a manner of surrounding the openings of the ceramic aerogel semispherical shells (21-1).
3. The fireproof seismic isolation support device under the action of earthquake according to claim 2, wherein the ceramic aerogel semispherical shell (21-1) is made of three-dimensional hBN ceramic aerogel.
4. Fire-proof seismic isolation bearing device according to claim 1, wherein the bottom periphery of the upper building structure (1) and the top periphery of the lower building structure (2) are provided with fixing hooks around, and the rigid springs (22) of the shock-absorbing fire-proof protection layer (20) close to the upper edge and the lower edge are hung on the fixing hooks at corresponding positions.
5. The fire-proof seismic isolation bearing device under the action of an earthquake according to claim 1, wherein the shape memory alloy block (21-3) is made of one of Ni-Ti-based shape memory alloy, magnetic control shape memory alloy and Cu-based memory alloy, and the shape memory alloy block (21-3) is fixed inside the fire-proof ball (21) through a steel wire (21-4).
6. The support device for fire-proof seismic isolation under the action of earthquake according to claim 2, wherein the edge of the circular connecting ring (21-2) is distributed with spring connecting holes (21-2-1), and the end of the rigid spring (22) is connected to the spring connecting holes (21-2-1).
7. Fire-resistant seismic isolation bearing arrangement according to claim 1, wherein said plurality of fire-resistant balls (21) are arranged in an array on a plane, and the fire-resistant balls (21) in adjacent rows and adjacent columns are staggered.
8. Fire-resistant seismic isolation bearing arrangement according to claim 1, wherein the stiff spring (22) is made of stainless steel and is surface coated with a fire-retardant coating.
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| CN201920347773.5U CN210134548U (en) | 2019-03-19 | 2019-03-19 | Fireproof shock insulation support device under earthquake action |
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| CN201920347773.5U CN210134548U (en) | 2019-03-19 | 2019-03-19 | Fireproof shock insulation support device under earthquake action |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109811927A (en) * | 2019-03-19 | 2019-05-28 | 中国矿业大学 | Fire prevention shock isolating pedestal device and fire prevention shock isolation method under a kind of geological process |
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2019
- 2019-03-19 CN CN201920347773.5U patent/CN210134548U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109811927A (en) * | 2019-03-19 | 2019-05-28 | 中国矿业大学 | Fire prevention shock isolating pedestal device and fire prevention shock isolation method under a kind of geological process |
| CN109811927B (en) * | 2019-03-19 | 2023-11-14 | 中国矿业大学 | Fireproof and shock-insulation support device under earthquake action and fireproof and shock-insulation method |
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