CN210482047U - Special armored main cable protection system - Google Patents
Special armored main cable protection system Download PDFInfo
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- CN210482047U CN210482047U CN201920244427.4U CN201920244427U CN210482047U CN 210482047 U CN210482047 U CN 210482047U CN 201920244427 U CN201920244427 U CN 201920244427U CN 210482047 U CN210482047 U CN 210482047U
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Abstract
The utility model discloses a special armor main cable protection system, which mainly comprises a surface fireproof flame-retardant layer (1), an explosion-proof impact-resistant functional layer (2), an anti-corrosion chemical-resistant framework material layer (3), a heat-insulating functional layer (4) and an isolation moisture-proof layer (5), wherein the system is protected on the surface of a bridge main cable in a spiral winding mode or a sheath mode; the protection system can be arranged on the outer surface of the main cable after hot-pressing melting by adopting lamination or chain lap joint, so as to protect the steel cable of the main cable. The utility model discloses protection system has excellent multiple safeguard function, can be effectively fire-retardant, explosion-proof, anticorrosion, prevent metal degradation, dampproofing to the armor mode carries out all-round protection to the bridge main push-towing rope. The utility model discloses ingenious overlap joint technique, high bonding strength, excellent environmental protection performance to ensure to guarantee that the bridge product has long-term life. The thickness of the armor main cable protection system is 1.10mm-4.0 mm.
Description
Technical Field
The utility model relates to a macromolecular material, inorganic fiber, industry zip field, the anticorrosive protection of user's bridge main push-towing rope.
Background
Suspension bridges, also known as suspension bridges, bear the weight of the bridge pavement mainly through steel cables suspended on cable towers. The service life of the main cable of the steel cable is one hundred years, and the service life of the main cable is directly related to the service life of the bridge.
The traditional method for protecting the main cable of the suspension bridge mainly adopts a coating technology to coat the surface of the main cable, and materials such as paint, composite resin, liquid rubber, pigment and the like are coated on the surface of the main cable, so that the attractiveness of the bridge and the protection of the main cable are realized; the traditional method has the advantages that the construction and the repair are simple and easy to implement; however, in the service cycle of a bridge for a hundred years, the maintenance is inconvenient, the material influences the environment, especially in the bridge constructed in rivers, lakes and seas, the requirements on corrosion and sealing are higher and higher, and more performances of the main cable are required to be borne, so that the traditional method is not suitable for the construction requirements of the current bridge along with the aging, cracking, falling off and the like of the surface coating of the main cable, and a new technology and a new process are required to be applied.
SUMMERY OF THE UTILITY MODEL
The technical scheme is as follows: in order to improve above-mentioned problem, the needs of adaptation modern bridge construction, the utility model relates to a special type armor main push-towing rope protection system, this system mainly by fire-retardant layer (1) of surface fire prevention, explosion-proof shock resistance functional layer (2), chemical resistance chemical product framework material layer (3) anticorrosives, thermal-insulated functional layer (4), isolation dampproof course (5) are constituteed.
The surface fireproof flame-retardant layer (1), the explosion-proof impact-resistant functional layer (2), the heat-insulation functional layer (4) and the isolation moisture-proof layer (5) are thermoplastic elastomers or rubber elastomers, are rubber elastic at normal temperature, and are crosslinked at high temperature of 120-180 ℃. The surface fireproof flame-retardant layer (1) is a cross-linked thermoplastic elastomer or a rubber base material, is endowed with flame-retardant performance, has rubber viscoelastic characteristics at normal temperature, can be heated and then laminated and melted, and has the laminated melting temperature of 90-150 ℃. The surface fireproof flame-retardant layer (1) is mainly used for blocking combustion, isolating external heat wave invasion and preventing the influence of illumination, ultraviolet rays, ozone, acid-base rainwater, oxygen and the like on a protection system. The flame-retardant protective layer can be endowed with different colors through a technical formula, the coloring strength is high, and the landscape effect can be realized. The isolating layer (5) is mainly used for isolating the degradation effect of metal ions such as zinc, manganese, copper and the like of the main cable on the wrapping belt high polymer material, and has a protection effect.
The explosion-proof and impact-resistant functional layer (2) is made of a viscoelastic high polymer rubber material, has excellent weather resistance and viscoelasticity, can be ensured to elastically deform or move along with the main cable when the main cable deforms and displaces, and can also ensure the sealing performance of the main cable; meanwhile, the damage and impact of external force to the system are prevented, and the impact and damage of the external force to the main cable are effectively reduced.
The anti-corrosion chemical-resistant skeleton material layer (3) is a natural inorganic or organic anti-corrosion fiber material, has the functions of enhancing the rigidity and strength of a composite material system and ensuring the dimensional stability of the system; meanwhile, the flame retardant has acid and alkali corrosion resistance and flame retardant property.
The heat insulation functional layer (4) is an inorganic-organic composite material with the function of heat insulation, and a high-efficiency inorganic material is added on the basis of the organic material, so that the heat insulation function layer effectively insulates the erosion degradation function of the surface fireproof flame-retardant layer (1), the explosion-proof impact-resistant functional layer (2) and the corrosion-resistant chemical-resistant framework material layer (3) on the high polymer material.
The main materials of the framework layer are aramid fiber, basalt fiber and quartz fiber, and the pores are 1-10 cm.
The special armored main cable protection system is formed into a whole in a multi-section rubberizing calendering and multiple compounding mode, a semi-finished product of the special armored main cable protection system is manufactured, and then a multi-layer material is crosslinked into a complete system through a continuous heating operation method of a drum type vulcanization production line.
The main cable can be wound on the main cable through special equipment and a special process, and the characteristics of the surface fireproof flame-retardant layer (1), the isolation moisture-proof layer (5), the thermoplastic elastomer and the rubber elastomer are utilized, and a hot melting technology is adopted to melt the systems into a whole, so that the effective sealing and corrosion prevention functions of the bridge main cable are finally realized.
In order to facilitate construction, the special armored main cable protection system which is formed by vulcanization is cut into strips or blocks with different widths according to design requirements, such as adhesive tapes with the width of 100 and 1000mm and the length of 10m-1000m, and the adhesive tapes are prepared into coils, so that construction operation is facilitated; and simultaneously preparing the flame-retardant industrial zipper, winding a strip system with a certain length on the main cable, preparing a sleeve, sleeving the sleeve on the main cable, and fusing the zipper and the protection system into a whole in a heating and fusing manner.
In the construction process, the system is wound on the main cable by adopting tools and can be linked in a laminated winding or zipper buckle winding mode. Meanwhile, the lapped system is fused into a whole through a hot melting process, so that the protection effect on the main cable of the bridge is realized.
Has the advantages that:
the utility model discloses an use armor system design and preparation, adopt the multistage to mangle the rubberizing, the complex forms on continuous heating's drum-type production line. The special armored main cable protection system can effectively isolate combustion, ultraviolet light degradation, moisture and corrosion of the weather external environment to the bridge main cable. As the main body materials used by the special armored main cable protection system are thermoplastic high-molecular elastomer and rubber elastomer materials, the high-elasticity plasticity is realized, the protection system can be ensured to have the capability of adapting to the comprehensive change of the outside, such as the main cable change caused by temperature difference, heat difference, humidity difference, swing difference, vibration change, load change and operation change, and the main cable protection can be effectively carried out in multiple ways.
Drawings
FIG. 1 is a diagram of a special armored main cable protection system;
fig. 2 is a schematic view of a special armored main cable protection system installed on a main cable.
Wherein:
in fig. 1: 1-surface fireproof flame-retardant layer, 2-explosion-proof impact-resistant functional layer, 3-corrosion-resistant chemical-resistant skeleton material layer, 4-heat-insulating functional layer and 5-isolation moisture-proof layer
In fig. 2: 1-main cable, 2-armoured main cable protection system
Detailed Description
Example 1: a special armored main cable protection system mainly comprises a surface fireproof flame-retardant layer (1), an explosion-proof impact-resistant functional layer (2), an anti-corrosion chemical-resistant framework material layer (3), a heat-insulation functional layer (4) and an isolation moisture-proof layer (5).
The surface fireproof flame-retardant layer (1) is a flame-retardant layer taking a polyethylene propylene binary copolymer material as a base material, adopts a chemical crosslinking mode, has the thickness of 0.20mm and has the color of architectural color card 1105 bright autumn; the explosion-proof and impact-resistant functional layer (2) is a high-elastic shock-absorbing cross-linked layer taking a polyethylene propylene terpolymer material as a base material, and the thickness of the cross-linked layer is 0.40 mm; the two layers jointly form an elastic damping flame-retardant system; the heat insulation functional layer (4) is a heat insulation moisture-proof layer, the isolation moisture-proof layer (5) is polyethylene propylene multi-element thermoplastic elastomer with different polymerization degrees, and heat insulation moisture-proof layers with different formula systems are adopted. The anti-corrosion chemical-resistant skeleton material layer (3) is an aramid fiber flame-retardant layer. The protection system can be fused into a multi-protection system with the integral thickness of 2.3-3.0mm at 135 ℃, and has excellent weather-resistant flame-retardant and sealing protection performances.
Example 2: a special armored main cable protection system is characterized in that a surface fireproof flame-retardant layer (1) of the system is vinyl chlorine-containing multi-element elastomer polymer, an explosion-proof impact-resistant functional layer (2) is vinyl chlorine-containing multi-element thermoplastic elastomer polymer, an anti-corrosion chemical-resistant framework material layer (3) is quartz fiber, and a heat-insulation functional layer (4) and an isolation moisture-proof layer (5) are chlorine-containing multi-element thermoplastic elastomer polymer. The thickness of the system was 2.5 mm. The main materials of the chlorine-containing multi-element thermoplastic elastomer polymer are vinyl chlorine-containing multi-element elastomer polymers, different crosslinking modes and crosslinking degrees are provided, and high elasticity, sealing, weather resistance and the like are realized. The protection system is designed to be fluorescent according to design requirements, and melt crosslinking can be realized at 100 ℃.
Through tests, the special armored main cable protection system is tightly lapped between layers and is in seamless butt joint, the sleeve effect is realized, the erosion and the damage of the external environment can be effectively prevented, the multi-prevention effects of fire prevention, flame retardation, explosion prevention, moisture prevention and the like on the main cable are realized, the construction is simple and convenient, the design requirement is met, and the practicability and the market popularization value are realized.
The above examples do not represent only these two ways, and the skilled person can adjust the two ways according to the changes of the thermoplastic elastomer and the rubber elastomer to meet the needs of different bridges or environments to realize the armor protection system. Specialty armor systems thus encompass thermoplastic elastomer and rubber elastomer-like materials.
Claims (11)
1. A special armored main cable protection system is characterized by mainly comprising a surface fireproof flame-retardant layer (1), an explosion-proof impact-resistant functional layer (2), an anti-corrosion chemical-resistant framework material layer (3), a heat-insulation functional layer (4) and an isolation moisture-proof layer (5).
2. A special armored main cable protection system according to claim 1, wherein the surface fireproof flame retardant layer (1) is a cross-linked thermoplastic elastomer or rubber substrate, which is endowed with flame retardant property, and has rubber viscoelastic property at normal temperature, and can be laminated and melted after being heated, the heating temperature is 90-150 ℃, and the surface fireproof flame retardant layer (1) is mainly used for blocking combustion, isolating external heat wave invasion, and preventing illumination, ultraviolet rays, ozone and oxidation from generating negative effects on the protection system and the main cable.
3. A special armored main cable protection system according to claim 1, wherein the upper anti-explosion and impact-resistant functional layer (2) is a viscoelastic high polymer rubber material, has excellent weather resistance and viscoelasticity, can be ensured to elastically deform or move along with the main cable when the main cable is subjected to deformation displacement, and simultaneously ensures the sealing performance to the main cable; prevent the damage and the impact effect of external force to the system, effectively subdue the impact and the destruction of external force to the main push-towing rope.
4. A special armored main cable protection system according to claim 1, wherein the corrosion-proof chemical-resistant framework material layer (3) is a natural inorganic or organic corrosion-resistant fiber material, and has the functions of enhancing the rigidity and strength of the composite material system and ensuring the dimensional stability of the system; meanwhile, the flame retardant has acid and alkali corrosion resistance and flame retardant property.
5. A special armored main cable protection system according to claim 1, wherein the heat insulation functional layer (4) is an inorganic-organic composite material with the function of heat insulation, and a high-efficiency inorganic material is added on the basis of an organic material, so that the corrosion degradation effect of heat on the surface fireproof flame-retardant layer (1), the explosion-proof impact-resistant functional layer (2) and the corrosion-resistant chemical-resistant framework material layer (3) is effectively insulated.
6. A special armored main cable protection system according to claim 1, wherein said insulating moisture barrier (5) is mainly used for the degradation of the metal ions such as zinc, manganese, copper and the like of the insulating main cable to the high polymer material, so as to prevent the moisture in the main cable from adhering and corroding, thereby achieving the protection effect.
7. The special armored main cable protection system according to claim 1, wherein the functional layers can be endowed with performance through the change of high polymer materials and inorganic materials and the adjustment of the formula according to the design requirements of bridges; meanwhile, the surface flame-retardant layer can be endowed with different colors through a technical formula, the coloring strength is high, and the landscape effect can be realized.
8. The special armored main cable protection system according to claim 1, wherein the framework material is reinforced materials such as aramid fiber, basalt fiber and glass fiber, and the space between the pores is 1-10 cm.
9. A special armored main cable protection system according to claim 1, wherein the protection system is formed into a whole by multi-section rubberizing and rolling and multiple compounding, and a semi-finished product of the armored main cable protection system is prepared, and then multiple layers of materials are chemically cross-linked into a complete system by a continuous operation method of a drum vulcanization production line.
10. A special armored main cable protection system according to claim 1, wherein the special armored main cable protection system can be wound on the main cable through special equipment and process, and the characteristics of the surface fireproof flame-retardant layer (1), the isolation moisture-proof layer (5), the thermoplastic elastomer and the rubber elastomer are utilized, and a hot melting technology is adopted to melt the systems into a whole, so that the effective sealing and corrosion prevention functions of the bridge main cable are finally realized.
11. A special armored main cable protection system according to claim 1, wherein the system is fused into a whole by a smart overlapping technique or a laminating method, the zipper for overlapping is made of thermoplastic polymer elastic material, the system is physically linked together, and then the whole system is fused into a whole by a heating and fusing method, so that a sleeve form with complete integration of materials is realized, and the main cable is protected.
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| CN201920244427.4U CN210482047U (en) | 2019-02-27 | 2019-02-27 | Special armored main cable protection system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113895117A (en) * | 2020-07-07 | 2022-01-07 | 北京橡胶工业研究设计院有限公司 | Bridge cable explosion-proof protection system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113895117A (en) * | 2020-07-07 | 2022-01-07 | 北京橡胶工业研究设计院有限公司 | Bridge cable explosion-proof protection system |
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