CN212271230U - Fireproof structure of fireproof cover and shock insulation rubber support joint - Google Patents
Fireproof structure of fireproof cover and shock insulation rubber support joint Download PDFInfo
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- CN212271230U CN212271230U CN202020791846.2U CN202020791846U CN212271230U CN 212271230 U CN212271230 U CN 212271230U CN 202020791846 U CN202020791846 U CN 202020791846U CN 212271230 U CN212271230 U CN 212271230U
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Abstract
The utility model relates to a fire prevention structure of fire prevention cover and shock insulation rubber support node, including upper buttress, lower buttress and install the shock insulation rubber support between upper buttress and lower buttress, the fire prevention cover is arranged in the periphery side of shock insulation rubber support, the fire prevention cover includes fire prevention cloth, a plurality of parallel arrangement's frame, the frame encloses into enclosed structure by many poles end to end or single pole crooked end to end encloses into enclosed structure; the fireproof cloth wraps the outer peripheral sides of the frames, inwards-concave folds are formed between the adjacent frames, connecting portions are arranged at two ends of the fireproof cloth, and the fireproof cover is connected between the upper buttress and the lower buttress in a sealing mode through the connecting portions. The utility model discloses can not obstruct shock insulation rubber support deformation energy consumption and can keep the integrality of fire prevention structure when the earthquake takes place.
Description
Technical Field
The utility model belongs to the technical field of shock insulation rubber support construction technology and specifically relates to a fire prevention structure of fire prevention cover and shock insulation rubber support node is related to.
Background
In order to improve the earthquake resistance of buildings, more and more buildings use earthquake isolation technology. The seismic isolation technology is that a seismic isolation layer is arranged at the lower part of a building, a seismic isolation rubber support is usually arranged between an upper column pier and a lower column pier to separate the upper structure of the building from a foundation, most seismic energy is consumed through the horizontal large deformation motion of the seismic isolation rubber support when an earthquake occurs, and the natural vibration period of the whole structure system is prolonged, so that the expected seismic fortification target is achieved.
The rubber shock insulation support is an important component of a structural bearing member, is a key part for consuming shock energy, and plays a vital role in building safety. The shock insulation rubber support is formed by vulcanizing rubber and a steel plate, and the rubber belongs to an inflammable product and is easy to burn in case of fire. If during the direct exposure of seismic isolation device in big fire, rubber support was destroyed in the conflagration when the conflagration took place, will lead to the whole of building to collapse, in order to guarantee building structure's the safety of bearing, must carry out fire protection to building seismic isolation support.
The Chinese patent document with the publication number of CN204475565U in the prior art discloses a fireproof assembly for a shock insulation support, which comprises an upper frame column, a lower frame column and a shock insulation support arranged between the upper frame column and the lower frame column, wherein a steel plate is sleeved outside the shock insulation support, and the steel plate encloses and seals the shock insulation support. Fireproof materials are arranged on the inner side face and the outer side face of the steel plate; the steel plate is fixed on the upper frame column or the lower frame column; the steel plate is fixed on the outer surface of the lower frame column.
The above prior art solutions have the following drawbacks: the mode of steel plate enclosure hinders the movement of the shock insulation rubber support in the horizontal direction, and the shock insulation and shock absorption effects are seriously affected. When the shock insulation rubber support deforms, the fireproof structure is damaged, and the fireproof function is lost.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a be not enough to prior art exists, the utility model discloses a first purpose provides a fire prevention cover, applies to the design of shock insulation rubber support node fire prevention structure, has under the condition that does not influence shock insulation rubber support service function, keeps better fire prevention effect.
The above object of the present invention can be achieved by the following technical solutions: a fireproof cover comprises fireproof cloth and a plurality of frames which are arranged in parallel, wherein the frames are formed by connecting a plurality of rods end to form a closed structure or by bending a single rod end to form a closed structure; the fireproof cloth wraps the periphery of the frames, inwards concave folds are formed between the adjacent frames, and connecting portions are arranged at two ends of the fireproof cloth.
Through adopting above-mentioned technical scheme, above-mentioned fire prevention cover applies to when shock insulation rubber bearing node fire prevention structure design, only needs to seal the connecting portion at fire prevention cover both ends respectively and connect on last buttress and lower buttress, will be located the shock insulation rubber bearing between buttress and the lower buttress and seal. The frame is connected with the fireproof cloth, so that folds are formed between the adjacent frames, and the folds provide allowance for movable deformation of the fireproof cover. When an earthquake occurs, the upper buttress and the lower buttress generate horizontal displacement, and the fireproof cover can stretch and deform along with the upper buttress and the lower buttress, so that the rigidity damage is avoided. Thereby maintaining the stability of the fire-protected construction. The fold inwards caves in and makes the stretching deformation orbit of fire prevention cloth expand to both sides along the depressed part of fold basically for go up buttress and lower buttress at the displacement and the in-process that resets, the fire prevention cloth is difficult to produce irregular buckling point, makes the fire prevention cloth surface be difficult for producing the damage of irregular buckling point, has improved the durability of fire prevention cloth. In conclusion, the scheme can keep a better fireproof effect under the condition that the using function of the shock insulation rubber support is not influenced.
The present invention may be further configured in a preferred embodiment as: the frame is completely wrapped by a fire-proof cloth.
Through adopting above-mentioned technical scheme for the whole parcel of frame has improved the joint strength of frame and fire prevention cloth, plays better fire prevention effect to the frame simultaneously.
The present invention may be further configured in a preferred embodiment as: and the outer surface of the fireproof cloth is sprayed with a fireproof coating.
Through adopting above-mentioned technical scheme, fire prevention performance of fire prevention cloth can further be strengthened to the fire protection coating.
The present invention may be further configured in a preferred embodiment as: the frame is rectangular or circular.
Through adopting above-mentioned technical scheme, the structure of buttress and buttress down is usually rectangle or circular on present, and the frame sets up to rectangle or circular for wrap up synthetic rectangle or circular structure in the fire prevention cloth of frame outside, with the structure looks adaptation of upper buttress, buttress down, conveniently be connected with upper buttress and buttress down.
Another object of the utility model is to provide a fire prevention structure of shock insulation rubber support node, including upper buttress, lower buttress and install the shock insulation rubber support between upper buttress and lower buttress, the periphery side of shock insulation rubber support is provided with the fire prevention cover, the fire prevention cover includes fire prevention cloth, a plurality of parallel arrangement's frame, the frame encloses into enclosed structure by many poles end to end or single pole bending end to end encloses into enclosed structure; the fireproof cloth wraps the outer peripheral sides of the frames, inwards-concave folds are formed between the adjacent frames, connecting portions are arranged at two ends of the fireproof cloth, and the fireproof cover is connected between the upper buttress and the lower buttress in a sealing mode through the connecting portions.
By adopting the technical scheme, the connecting parts at the two ends of the fire-proof cover are respectively connected on the upper buttress and the lower buttress in a sealing manner, and the shock-insulation rubber support between the upper buttress and the lower buttress is sealed. The frame is connected with the fireproof cloth, so that folds are formed between the adjacent frames, and the folds provide allowance for movable deformation of the fireproof cover. When an earthquake occurs, the upper buttress and the lower buttress generate horizontal displacement, and the fireproof cover can stretch and deform along with the upper buttress and the lower buttress, so that the rigidity damage is avoided. Thereby maintaining the stability of the fire-protected construction. The fold inwards caves in and makes the stretching deformation orbit of fire prevention cloth expand to both sides along the depressed part of fold basically for go up buttress and lower buttress at the displacement and the in-process that resets, the fire prevention cloth is difficult to produce irregular buckling point, makes the fire prevention cloth surface be difficult for producing the damage of irregular buckling point, has improved the durability of fire prevention cloth. In conclusion, the scheme can keep a better fireproof effect under the condition that the using function of the shock insulation rubber support is not influenced.
The present invention may be further configured in a preferred embodiment as: and fireproof rock wool is filled between the fireproof cover and the shock insulation rubber support.
Through adopting above-mentioned technical scheme, the fire prevention cover constitutes the first line fire prevention line of shock insulation rubber support node, and fire prevention rock wool constitutes the second line fire prevention line of shock insulation rubber support node, further improves the fire behavior of shock insulation rubber support node.
The present invention may be further configured in a preferred embodiment as: the fireproof rock wool is sleeved on the periphery of the shock insulation rubber support.
Through adopting above-mentioned technical scheme, the fire prevention rock wool cover is located and is played comprehensive protection to shock insulation rubber support outward to shock insulation rubber support, and also can take the fire prevention rock wool to reset when shock insulation rubber support resets, keeps the relatively stable of fire prevention rock wool and shock insulation rubber support position.
The present invention may be further configured in a preferred embodiment as: the connecting part is in compression joint with the side surface of the upper buttress or the lower buttress through a steel plate, the steel plate is connected with the upper buttress or the lower buttress through a bolt, and a thick fireproof coating is sprayed on the surface of the steel plate.
Through adopting above-mentioned technical scheme, connecting portion pass through the steel sheet centre gripping between last buttress or lower buttress and the steel sheet for connecting portion and last buttress or lower buttress closed connection, the steel sheet outer spray has fire protection coating, has improved the fire behavior of connecting portion and last buttress or lower buttress junction.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the shock insulation rubber support has a good fireproof effect under the condition of meeting the requirements of horizontal displacement of the upper buttress and the lower buttress.
2. The fireproof cover and the fireproof rock wool form a double-layer fireproof line, and the fireproof performance is further improved.
Drawings
FIG. 1 is a schematic structural view of the present embodiment;
FIG. 2 is an enlarged schematic view at A in FIG. 1;
fig. 3 is a schematic view showing the state in which the upper pier and the lower pier are horizontally displaced in the present embodiment.
Reference numerals: 1. an upper buttress; 2. a lower buttress; 3. a fire-proof cover; 4. fireproof cloth; 5. a frame; 6. a connecting portion; 7. a steel plate; 8. fireproof rock wool; 9. a thick fire-retardant coating; 10. an expansion bolt; 11. a shock insulation rubber support; 12. a fireproof cloth belt; 13. a gap.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b):
the utility model provides a fire prevention structure of shock insulation rubber support node, as shown in fig. 1, 2, including last buttress 1, lower buttress 2 and install the shock insulation rubber support 11 between last buttress 1 and lower buttress 2, the periphery side of shock insulation rubber support 11 is provided with fire prevention cover 3, fire prevention cover 3 includes fire prevention cloth 4, a plurality of parallel arrangement's frame 5, the crooked and end-to-end connection of adoption metal pole of frame 5 encloses synthetic enclosed construction, of course also can be many metal poles and end-to-end connection in proper order encloses synthetic enclosed construction constitutes, frame 5 preferably adopts the reinforcing bar as the material, the junction adopts the welding. The fireproof cloth 4 needs to be wrapped around the outer periphery of the frame 5. The fireproof cloth 4 is preferably, but not limited to, aluminum silicate fiber cloth, and the surface of the fireproof cloth 4 is provided with a fireproof coating which is formed by spraying fireproof paint. The fireproof cloth 4 and the fireproof coating are of a plurality of types, and the skilled person can appropriately select the fireproof cloth 4, the fireproof coating, the thickness of the coating and the like according to the different fireproof requirements. The fireproof cloth 4 is provided with inward sunken folds between the adjacent frames 5, and the two ends of the fireproof cloth 4 are provided with connecting parts 6.
As a preferred embodiment, as shown in fig. 2, the frame 5 is wrapped integrally, but a certain gap 13 is left between the fire-proof cloth 4 and the frame 5, after the outer side of the frame 5 is wrapped by the fire-proof cloth 4, a fire-proof cloth tape 12 is additionally arranged on the inner side of the frame 5, the fire-proof cloth tape 12 is connected to the fire-proof cloth 4 on the upper and lower sides of the frame 5 on the inner side of the frame 5 so as to wrap the frame 5 integrally, the connection between the fire-proof cloth tape 12 and the fire-proof cloth 4 is preferably knitted, and fire-proof glue is evenly coated on the connection part to form adhesion. In this way, frame 5 is by whole parcel between outside fire prevention cloth 4 and inboard fire prevention strap 12, and the centre stays establishes clearance 13, has effectively eliminated frame 5 and to the local tensile stress of the fire prevention cloth 4 of parcel in the outside for the fire prevention cloth 4 in the frame 5 outside can not be by stretch-draw, makes 4 outer bending department fire behavior of fire prevention cloth be difficult for receiving the destruction, and fire prevention strap 12 can regard as inlayer fire protection barrier simultaneously, further improves the fire behavior of frame 5 department. The arrangement of the gap 13 avoids local cracking of two different materials of the fireproof cloth 4 and the frame 5 due to different thermal expansion coefficients, so that the whole performance of the fireproof cover 3 is more stable and durable; the fireproof cloth belt 12 and the fireproof cloth 4 are made of the same material, and fireproof paint is coated on the surfaces of the fireproof cloth belt and the fireproof cloth. In other embodiments with slightly reduced effects, the fire-proof cloth 4 can be directly wrapped outside the frame 5, and the frame 5 and the fire-proof cloth 4 are glued.
As shown in fig. 2, the fire protection cover 3 is connected between the upper pier 1 and the lower pier 2 in a closed manner by means of a connecting part 6. The shape of the frame 5 is preferably adapted to the cross-sectional shapes of the upper buttress 1 and the lower buttress 2, and when the cross-sections of the upper buttress 1 and the lower buttress 2 are rectangular, the shape of the frame 5 is rectangular; when the cross sections of the upper buttress 1 and the lower buttress 2 are circular, the shape of the frame 5 is circular; the fireproof cloth 4 wrapped outside the frame 5 is made to surround and form a corresponding shape, and is matched with the structures of the upper pier 1 and the lower pier 2, so that the fireproof cloth is conveniently connected with the upper pier 1 and the lower pier 2. The connecting part 6 is pressed on the side surface of the upper buttress 1 or the lower buttress 2 through a steel plate 7 with a corresponding shape, the steel plate 7 is connected with the upper buttress 1 or the lower buttress 2 through an expansion bolt 10, and the connecting part 6 is pressed between the upper buttress 1 or the lower buttress 2 and the steel plate 7. The surface of the steel plate 7 is sprayed with a thick fireproof coating 9, and the thick fireproof coating 9 is formed by brushing thick fireproof paint.
As shown in figure 1, fireproof rock wool 8 is filled between the fireproof cover 3 and the shock insulation rubber support 11. The fireproof rock wool 8 is of an annular structure and is sleeved on the periphery of the shock insulation rubber support 11.
The principle of the embodiment is as follows: the fireproof cover 3 forms a first fireproof defense line of the shock insulation rubber support 11 node, and the fireproof rock wool 8 forms a second fireproof defense line of the shock insulation rubber support 11 node. As shown in fig. 3, when an earthquake occurs, the upper buttress 1 and the lower buttress 2 horizontally displace, the fire-proof cover 3 can stretch and deform along with the upper buttress 1 and the lower buttress 2, so that the rigidity damage is avoided, and the node of the shock-insulation rubber support 11 is always in a closed state. The invention can not block the deformation and energy consumption of the shock insulation rubber support 11 when an earthquake occurs and can keep the integrity of a fireproof structure.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. A fire-proof cover is characterized in that: the fireproof cloth comprises fireproof cloth (4) and a plurality of frames (5) which are arranged in parallel, wherein the frames (5) are formed by connecting a plurality of rods end to form a closed structure or bending a single rod end to form a closed structure; the fireproof cloth (4) is wrapped on the outer peripheral side of the frame (5), inwards concave folds are formed between the adjacent frames (5) of the fireproof cloth (4), and the two ends of the fireproof cloth (4) are provided with connecting portions (6).
2. A fire protection shield as claimed in claim 1, wherein: the frame (5) is completely wrapped by the fireproof cloth (4).
3. A fire protection shield as claimed in claim 1, wherein: the outer surface of the fireproof cloth (4) is sprayed with a fireproof coating.
4. A fire protection shield as claimed in claim 1, wherein: the frame (5) is rectangular or circular.
5. The utility model provides a fire prevention structure of isolation rubber bearing node, includes buttress (1), lower buttress (2) and install isolation rubber bearing (11) between buttress (1) and lower buttress (2) on, its characterized in that: the periphery of the shock insulation rubber support (11) is provided with a fireproof cover (3), the fireproof cover (3) comprises fireproof cloth (4) and a plurality of frames (5) which are arranged in parallel, and the frames (5) are formed by connecting a plurality of rods end to form a closed structure or bending a single rod end to form a closed structure; fire prevention cloth (4) wrap up in the periphery side of frame (5), and fire prevention cloth (4) are formed with inside sunken fold between adjacent frame (5), and fire prevention cloth (4) both ends are equipped with connecting portion (6), and fire prevention cover (3) are connected between upper buttress (1) and lower buttress (2) through connecting portion (6) closure.
6. The fire-proof structure of a seismic isolation rubber bearing node as claimed in claim 5, wherein: and fireproof rock wool (8) is filled between the fireproof cover (3) and the shock insulation rubber support (11).
7. The fire protection structure of a seismic isolation rubber bearing node as claimed in claim 6, wherein: the fireproof rock wool (8) is sleeved on the periphery of the shock insulation rubber support (11).
8. The fire protection structure of a seismic isolation rubber bearing node according to claim 5, 6 or 7, wherein: connecting portion (6) pass through steel sheet (7) crimping in the side of last buttress (1) or lower buttress (2), steel sheet (7) pass through bolted connection with last buttress (1) or lower buttress (2), steel sheet (7) surface spraying has thick type fire prevention coating (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020791846.2U CN212271230U (en) | 2020-05-13 | 2020-05-13 | Fireproof structure of fireproof cover and shock insulation rubber support joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020791846.2U CN212271230U (en) | 2020-05-13 | 2020-05-13 | Fireproof structure of fireproof cover and shock insulation rubber support joint |
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| Publication Number | Publication Date |
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| CN212271230U true CN212271230U (en) | 2021-01-01 |
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| CN202020791846.2U Active CN212271230U (en) | 2020-05-13 | 2020-05-13 | Fireproof structure of fireproof cover and shock insulation rubber support joint |
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| CN (1) | CN212271230U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112726864A (en) * | 2021-01-13 | 2021-04-30 | 温州职业技术学院 | Building shock insulation reinforcing apparatus |
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2020
- 2020-05-13 CN CN202020791846.2U patent/CN212271230U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112726864A (en) * | 2021-01-13 | 2021-04-30 | 温州职业技术学院 | Building shock insulation reinforcing apparatus |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Room 218, 2 / F, zone B, Pioneer Building, Haixi hi tech Industrial Park, high tech Zone, Fuzhou, Fujian 350000 Patentee after: Fuzhou Architectural Design Institute Co., Ltd Address before: Room 218, 2 / F, zone B, Pioneer Building, Haixi hi tech Industrial Park, high tech Zone, Fuzhou, Fujian 350000 Patentee before: FUZHOU ARCHITECTURE DESIGN INS |
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