CN219175006U - Protective structure of suspension bridge main cable - Google Patents
Protective structure of suspension bridge main cable Download PDFInfo
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- CN219175006U CN219175006U CN202320080980.5U CN202320080980U CN219175006U CN 219175006 U CN219175006 U CN 219175006U CN 202320080980 U CN202320080980 U CN 202320080980U CN 219175006 U CN219175006 U CN 219175006U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The utility model relates to the technical field of bridge construction, in particular to a protective structure of a main cable of a suspension bridge, which comprises a sealing layer, a heat insulation layer and a high-impact protective layer which are sequentially arranged outside the main cable of the suspension bridge from inside to outside, wherein the high-impact protective layer comprises n flame-retardant epoxy resin layers and n-1 framework material layers, and the flame-retardant epoxy resin layers and the framework material layers are alternately laminated. The flame-retardant epoxy resin layer and the heat insulation layer of the utility model can block fire and high temperature outside, thus playing a role in fire resistance and enabling the main cable of the suspension bridge to resist fire; the framework material layer increases the strength and flexibility of the protection structure of the main cable of the suspension bridge, so that the protection structure of the main cable of the suspension bridge has better cutting resistance and impact resistance, the main cable of the suspension bridge can resist artificial damage and accidental injury, and the service life of the main cable of the suspension bridge is prolonged; the finish paint layer can protect the high impact protection layer from aging caused by the influence of environmental climate, further prolong the service life of the main cable of the suspension bridge and have attractive effect.
Description
Technical Field
The utility model relates to the technical field of bridge construction, in particular to a protection structure of a main cable of a suspension bridge.
Background
The main cable of the suspension bridge is used as a life line of the suspension bridge, the safety of the bridge structure is directly determined, important protection is needed, and factors causing the damage of the main cable of the suspension bridge mainly comprise the aspects of mechanical collision, artificial cutting damage, fire burning, corrosion and the like. The bridge is sealed, and the dehumidification system is additionally arranged, so that corrosion damage to the main cable steel wire can be delayed, and the technology in the aspect is mature gradually. But the technology for coping with the main cable of the suspension bridge suffering fire, artificial damage, accidental injury and the like is still lacking.
Disclosure of Invention
Aiming at the technical problems existing in the prior art, the utility model aims at: the protection structure of the main cable of the suspension bridge can improve the resistance capability of the main cable of the suspension bridge when suffering fire, artificial damage and accidental injury and prolong the service life of the main cable of the suspension bridge.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a protective structure of suspension bridge main rope, includes from inside to outside setting gradually at outside sealing layer, insulating layer, the high shock resistance inoxidizing coating of suspension bridge main rope, and the high shock resistance inoxidizing coating includes n layer fire-retardant epoxy layer and n-1 layer framework material layers, and fire-retardant epoxy layer and framework material layers range upon range of alternately.
Further, the range of parameter n is: n is more than or equal to 2 and less than or equal to 5.
Further, the framework material layer is a high silica glass cloth layer, a steel wire mesh or a glass fiber cloth layer.
Further, the n-1 skeleton material layer is any combination of two or three of a high silica glass cloth layer, a steel wire mesh and a glass fiber cloth layer.
Further, when the n-1 framework material layers are combinations of the high silica glass cloth layers and other framework material layers, the high silica glass cloth layers are arranged outside the other framework material layers.
Further, the heat insulation layer is a silicon dioxide aerogel felt layer, and a fiber woven cloth layer is arranged in the silicon dioxide aerogel felt layer.
Further, the flame-retardant epoxy resin layer is filled with hollow glass beads or phenolic resin hollow microspheres.
Further, the paint coating also comprises a finish paint layer, wherein the finish paint layer is arranged outside the high-impact protection layer.
Further, a flame-retardant sealant is arranged at the connection part of the protection structure of the main cable of the suspension bridge and the main cable clamp.
In general, the utility model has the following advantages:
1. according to the utility model, the flame-retardant epoxy resin layer and the heat insulation layer are arranged, so that the fire and high temperature are blocked outside, the internal temperature is reduced, the flame-retardant effect is achieved, and the main cable of the suspension bridge can resist the fire disaster; the strength and flexibility of the protection structure of the suspension bridge main cable are improved by arranging the framework material layer, so that the protection structure of the suspension bridge main cable has better cutting resistance and impact resistance, the suspension bridge main cable can resist artificial damage and accidental injury, and the service life of the suspension bridge main cable is prolonged.
2. The utility model can protect the high impact protection layer from aging caused by the influence of environmental climate by arranging the finish paint layer, further prolongs the service life of the main cable of the suspension bridge and has attractive effect.
Drawings
Fig. 1 is a schematic structural view of a protection structure of a main cable of a suspension bridge of the present utility model;
fig. 2 is a schematic cross-sectional view of the high impact protection layer of the present utility model.
In the figure: 1-a main cable clamp; 2-flame-retardant sealant; 3-a top coat layer; 4-a high impact protection layer; 401-high silica glass cloth layer; 402-steel wire mesh; 403-glass fiber cloth layer; 404-a flame retardant epoxy layer; 5-a heat insulation layer; 6-sealing layer; 7-winding round wires; 8-winding the main cable.
Detailed Description
The utility model will be described in further detail with reference to the drawings and the detailed description.
As shown in fig. 1, a protection structure of a suspension bridge main cable includes a sealing layer, a heat insulation layer, a high impact protection layer, and a high impact protection layer, wherein the sealing layer, the heat insulation layer and the high impact protection layer are sequentially arranged outside the suspension bridge main cable from inside to outside, the high impact protection layer includes n layers of flame retardant epoxy resin layers and n-1 layers of framework material layers, and the range of parameters n is as follows: n is more than or equal to 2 and less than or equal to 5, and the flame-retardant epoxy resin layer and the framework material layer are alternately laminated. Specifically, the outer surface layer of the main cable of the suspension bridge sequentially comprises a main cable winding and a circular winding, the protection structure of the main cable of the suspension bridge is arranged outside the circular winding, namely, the sealing layer is coated outside the circular winding, the heat insulation layer is arranged outside the sealing layer, and the high impact protection layer is arranged outside the heat insulation layer.
The high-impact protection layer is of a composite layered structure and is formed by combining flame-retardant epoxy resin layers with framework material layers, and the innermost layer and the outermost layer are both flame-retardant epoxy resin layers, so that the flame-retardant epoxy resin layers have excellent physical and mechanical properties and bonding properties, can play roles in fire resistance and water resistance, and can bond a plurality of layers of framework material layers into a whole to form a sealing state; the framework material layer is used for increasing the overall damage resistance strength of the high-impact protection layer, supporting the protection structure of the main cable of the suspension bridge and enabling the protection structure to achieve better impact resistance and cutting resistance effects; the heat insulation layer is used for blocking the external temperature; the sealing layer is used for corrosion resistance protection and sealing corrosion resistance, in the embodiment, the sealing layer is sealing waterproof glue, the sealing waterproof glue is waterproof, moisture-proof and strong in binding force, the suspension bridge main cable can be protected from being corroded by water vapor, and meanwhile the protection structure of the suspension bridge main cable is coated outside the circular winding wire.
The framework material layer is a high silica glass cloth layer, a steel wire mesh or a glass fiber cloth layer. The high silica glass cloth has the characteristics of high strength and high temperature resistance, can withstand the high temperature of 1100 ℃, can block fire outside, reduce the internal temperature, and can play roles of impact resistance and fire resistance; the steel wire mesh has the characteristics of high strength and soft texture, and can endow the high-impact protection layer with the cutting resistance and impact resistance; the glass fiber cloth layer has high strength, so that the high impact protection layer has better impact resistance, and meanwhile, the manufacturing cost can be reduced.
The n-1 skeleton material layer is any combination of two or three of high silica glass cloth layer, steel wire mesh and glass fiber cloth layer. When the n-1 layer framework material layer is the combination of the high silica glass cloth layer and other framework material layers, the high silica glass cloth layer is arranged outside the other framework material layers, so that a better fire-retarding effect can be achieved.
As shown in fig. 2, in this embodiment, n is 4, the number of the framework material layers is 3, and the 3 framework material layers are respectively a high silica glass cloth layer, a steel wire mesh and a glass fiber cloth layer which are sequentially arranged from outside to inside, that is, the structure of the high impact protection layer from outside to inside is as follows: the glass fiber reinforced plastic composite comprises a flame-retardant epoxy resin layer, a high silica glass cloth layer, a flame-retardant epoxy resin layer, a steel wire mesh, a flame-retardant epoxy resin layer, a glass fiber cloth layer and a flame-retardant epoxy resin layer. Wherein, the high silica glass cloth layer resists high temperature, and the fire is blocked outside the steel wire mesh and the glass fiber cloth layer, so that the internal temperature is reduced, and the fire-retarding effect is mainly achieved; the steel wire mesh has high strength and soft texture, mainly serves as a skeleton of the high-impact protection layer, and endows the high-impact protection layer with cutting resistance and impact resistance; the glass fiber cloth layer has high strength and mainly plays a role in enhancing the strength of the high-impact protection layer, so that the high-impact protection layer has better cutting resistance and impact resistance, and meanwhile, the manufacturing cost is reduced.
The heat insulation layer is a silicon dioxide aerogel felt layer, and a fiber woven cloth layer is arranged in the silicon dioxide aerogel felt layer. The heat conductivity coefficient of the silicon dioxide aerogel felt layer is low, and the heat insulation effect at high temperature is better than that of the traditional heat insulation material; the fiber woven cloth layer is used for improving the integral strength of the heat insulation layer, so that the heat insulation layer is not easy to damage in the construction and use processes.
The flame-retardant epoxy resin layer is filled with hollow glass beads or phenolic resin hollow microspheres. The hollow glass beads and the phenolic resin hollow beads can effectively reduce heat conductivity, reduce heat transfer to the main cable of the suspension bridge, and better protect the safety of the main cable of the suspension bridge.
The protective structure of the suspension bridge main cable further comprises a finish paint layer, and the finish paint layer is arranged outside the high-impact protection layer. In the embodiment, the finish paint is fluorocarbon finish paint, and the fluorocarbon finish paint has a warning effect, so that the high-impact protection layer can be protected from aging caused by environmental climate, and an attractive effect can be achieved.
As shown in fig. 1, a flame-retardant sealant is arranged at the connection part of the protection structure of the main cable of the suspension bridge and the main cable clamp, specifically, fireproof fibers are filled in the circular seam and the straight seam of the main cable clamp, and the surfaces of the circular seam and the straight seam are coated with the flame-retardant sealant, so that the overall tightness of the protection structure of the main cable of the suspension bridge is ensured.
Working principle: the finish paint layer is mainly used for protecting the high-impact protection layer from aging caused by the influence of environmental climate; the flame-retardant epoxy resin layer in the high impact protection layer firstly plays a role in sealing and waterproofing, and hollow glass beads or phenolic resin hollow microspheres are added into the flame-retardant epoxy resin layer to effectively reduce the heat conductivity, reduce the heat transfer to a main cable of the suspension bridge and serve as a first fireproof barrier; the framework material layer has the characteristics of high temperature resistance, high strength and soft texture, plays roles of fire resistance, cutting resistance and impact resistance, and reduces manufacturing cost; the heat conduction coefficient of the heat insulation layer is low, the external temperature can be blocked, and the heat insulation layer wraps the main cable of the suspension bridge, so that the main cable of the suspension bridge is further prevented from being fire; the sealing layer is used for corrosion resistance protection and sealing corrosion resistance, so that corrosion resistance protection of the main cable of the suspension bridge is realized; through the arrangement, the capability of the main cable of the suspension bridge in coping with natural weather, fire disaster, artificial damage and accidental injury is increased.
In general, the fire-retardant epoxy resin layer and the heat-insulating layer are arranged to block fire and high temperature outside, so that the internal temperature is reduced, the fire-retardant effect is achieved, and the main cable of the suspension bridge can resist fire; the strength and flexibility of the protection structure of the suspension bridge main cable are improved by arranging the framework material layer, so that the protection structure of the suspension bridge main cable has better cutting resistance and impact resistance, the suspension bridge main cable can resist artificial damage and accidental injury, and the service life of the suspension bridge main cable is prolonged. The utility model can protect the high impact protection layer from aging caused by the influence of environmental climate by arranging the finish paint layer, further prolongs the service life of the main cable of the suspension bridge and has attractive effect.
The foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (9)
1. The utility model provides a protective structure of suspension bridge main rope which characterized in that: the high-impact-resistance protective layer comprises n flame-retardant epoxy resin layers and n-1 framework material layers, wherein the n flame-retardant epoxy resin layers and the n-1 framework material layers are alternately laminated.
2. The protective structure of a main cable of a suspension bridge according to claim 1, wherein: the range of parameter n is: n is more than or equal to 2 and less than or equal to 5.
3. The protective structure of a main cable of a suspension bridge according to claim 1, wherein: the framework material layer is a high silica glass cloth layer, a steel wire mesh or a glass fiber cloth layer.
4. The protective structure of a main cable of a suspension bridge according to claim 1, wherein: the n-1 skeleton material layer is any combination of two or three of high silica glass cloth layer, steel wire mesh and glass fiber cloth layer.
5. The protective structure of a main cable of a suspension bridge as recited in claim 4, wherein: when the n-1 framework material layers are the combination of the high silica glass cloth layer and other framework material layers, the high silica glass cloth layer is arranged outside the other framework material layers.
6. The protective structure of a main cable of a suspension bridge according to claim 1, wherein: the heat insulation layer is a silicon dioxide aerogel felt layer, and a fiber woven cloth layer is arranged in the silicon dioxide aerogel felt layer.
7. The protective structure of a main cable of a suspension bridge according to claim 1, wherein: the flame-retardant epoxy resin layer is filled with hollow glass beads or phenolic resin hollow microspheres.
8. The protective structure of a main cable of a suspension bridge according to claim 1, wherein: the high impact protection layer also comprises a finish paint layer, wherein the finish paint layer is arranged outside the high impact protection layer.
9. The protective structure of a main cable of a suspension bridge according to claim 1, wherein: and a flame-retardant sealant is arranged at the connection part of the protection structure of the main cable of the suspension bridge and the main cable clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320080980.5U CN219175006U (en) | 2023-01-11 | 2023-01-11 | Protective structure of suspension bridge main cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320080980.5U CN219175006U (en) | 2023-01-11 | 2023-01-11 | Protective structure of suspension bridge main cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219175006U true CN219175006U (en) | 2023-06-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320080980.5U Active CN219175006U (en) | 2023-01-11 | 2023-01-11 | Protective structure of suspension bridge main cable |
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| Country | Link |
|---|---|
| CN (1) | CN219175006U (en) |
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2023
- 2023-01-11 CN CN202320080980.5U patent/CN219175006U/en active Active
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