Fire-resistant sealing wrapping tape with spiral line

Abstract

The utility model belongs to the field of wrapping tapes, and particularly relates to a fire-resistant sealing wrapping tape with spiral lines, which comprises an inner layer. A bonding layer is fixedly connected to the bottom end of the inner layer, a release film is bonded to the bottom end of the bonding layer, an outer layer is fixedly connected to the top end of the inner layer, a middle layer is arranged between the inner layer and the outer layer, a protective sleeve is fixedly connected to the outer side of the middle layer, and the outer side of the protective sleeve is attached to the inner wall of the outer layer and the top end of the inner layer. A gap between the outer side of the protective sleeve and the inner wall of the outer layer is filled with a filling layer; the problems that although an existing bridge cable wrapping tape can effectively enhance the weather resistance of a bridge cable, the wind and rain induced vibration resistance and the fire resistance of the existing bridge cable wrapping tape are poor, swing of the bridge cable cannot be effectively restrained in the gale thunderstorm weather, meanwhile, high-temperature flames cannot be resisted, the bridge cable wrapping tape is prone to combustion in the fire, and the cable structure loses efficacy are solved.

Description

Technical Field

[0001] This utility model relates to the field of wrapping tape, specifically a fire-resistant sealing wrapping tape with a spiral. Background Technology

[0002] Bridge cable wrapping tape is a protective material used to wrap steel cables (such as main cables, stay cables, suspenders, etc.). Its main functions include corrosion protection, weather resistance, and adaptability to dynamic deformation of the cable. It is a protective sheath used to protect bridge cables.

[0003] For specific examples of existing bridge cable sealing wrapping tapes, please refer to Chinese Patent Publication No. CN208292914U, which details a self-adhesive rubber wrapping tape for pipeline or cable corrosion protection. This tape includes a skeleton layer containing a non-woven fabric in the middle. The upper surface of the non-woven fabric is laminated with an upper chlorosulfonated polyethylene rubber layer, and the lower surface is laminated with a lower chlorosulfonated polyethylene rubber layer. An optical fiber or hollow flexible tube is embedded within the lower chlorosulfonated polyethylene rubber layer along the length of the wrapping tape. A Hypalon rubber layer is laminated on the outer surface of the upper chlorosulfonated polyethylene rubber layer, and an adhesive backing layer is laminated on the outer surface of the lower chlorosulfonated polyethylene rubber layer. Release paper covers the adhesive backing layer. This utility model provides a self-adhesive rubber wrapping tape for pipeline or cable corrosion protection, offering corrosion protection for pipelines or bridges.

[0004] While existing bridge cable wrapping tapes can effectively enhance the weather resistance of bridge cables, their ability to resist wind and rain vibration and their fire resistance are relatively weak. They cannot effectively suppress the swaying of bridge cables in strong winds and thunderstorms, and they cannot withstand high-temperature flames, making them easily flammable and leading to cable structure failure. Therefore, a fire-resistant sealing wrapping tape with a spiral is proposed to address the above problems. Utility Model Content

[0005] To overcome the shortcomings of existing technologies, although existing bridge cable wrapping tapes can effectively enhance the weather resistance of bridge cables, their ability to resist wind and rain vibration and their fire resistance are weak. They cannot effectively suppress the swaying of bridge cables in strong winds and thunderstorms, and they cannot resist high-temperature flames. They are easily ignited when exposed to fire, leading to the failure of the cable structure. This utility model proposes a fire-resistant sealing wrapping tape with a spiral.

[0006] The technical solution adopted by this utility model to solve its technical problem is as follows: The fire-resistant sealing wrapping tape with spiral lines of this utility model includes an inner layer; an adhesive layer is fixedly connected to the bottom end of the inner layer, a release film is bonded to the bottom end of the adhesive layer, an outer layer is fixedly connected to the top end of the inner layer, and an intermediate layer is provided between the inner layer and the outer layer.

[0007] Preferably, a protective sleeve is fixedly connected to the outer side of the intermediate layer, the outer side of the protective sleeve is in contact with the inner wall of the outer layer and the top of the inner layer, and the gap between the outer side of the protective sleeve and the inner wall of the outer layer is filled with a filling layer.

[0008] Preferably, the inner layer is made of basalt fiber cloth and the thickness of the inner layer is 0.1-0.3mm.

[0009] Preferably, the outer layer is made of ceramicized silicone rubber and has a thickness of 0.8-1.0 mm.

[0010] Preferably, the intermediate layer is made of spiral soft steel wire with a diameter of 1-3 mm and a spiral spacing of 15-20 mm; the protective sleeve is made of polytetrafluoroethylene with a thickness of 0.05-0.1 mm; and the filling layer is made of basalt fiber cotton.

[0011] The advantages of this utility model are:

[0012] 1. This utility model provides high-strength support and flame retardancy by using an inner layer of basalt fiber cloth, a middle layer of spiral soft steel wire to suppress wind and rain vibration, and an outer layer of ceramicized silicone rubber to form a ceramicized hard shell when exposed to flame, thereby isolating oxygen and achieving a flame-retardant effect. This solves the problem that although existing bridge cable wrapping tape can effectively enhance the weather resistance of bridge cables, its ability to resist wind and rain vibration and its fire resistance are weak. It cannot effectively suppress the swaying of bridge cables in strong winds and thunderstorms, and it cannot withstand high-temperature flames, making it easy to burn when exposed to fire, leading to cable structure failure.

[0013] 2. This utility model avoids damage to the outer layer by covering the outer side of the middle layer with a protective sleeve, which prevents the middle layer from scratching the inner side of the outer layer during long-term use. The basalt fiber cotton filling layer between the protective sleeve and the inner side of the outer layer can further enhance the fire resistance. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0016] Figure 2 This is a frontal cross-sectional view of the present invention.

[0017] Figure 3 For the present utility model Figure 1 Enlarged structural diagram at point A in the middle.

[0018] In the diagram: 1. Inner layer; 2. Adhesive layer; 3. Release film; 4. Outer layer; 5. Intermediate layer; 6. Protective sleeve; 7. Filler layer. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0020] Please see Figures 1-3 As shown, a fire-resistant sealing wrapping tape with a spiral includes an inner layer 1; an adhesive layer 2 is fixedly connected to the bottom end of the inner layer 1, a release film 3 is bonded to the bottom end of the adhesive layer 2, an outer layer 4 is fixedly connected to the top end of the inner layer 1, and an intermediate layer 5 is provided between the inner layer 1 and the outer layer 4.

[0021] Furthermore, a protective sleeve 6 is fixedly connected to the outer side of the intermediate layer 5. The outer side of the protective sleeve 6 is attached to the inner wall of the outer layer 4 and the top of the inner layer 1. The gap between the outer side of the protective sleeve 6 and the inner wall of the outer layer 4 is filled with a filling layer 7.

[0022] Furthermore, the inner layer 1 is made of basalt fiber cloth, and the thickness of the inner layer 1 is 0.1-0.3mm. The basalt fiber yarn is woven with a plain weave structure after warping, reed threading and other processes to form the inner layer 1 substrate.

[0023] Furthermore, the outer layer 4 is made of ceramicized silicone rubber, and the thickness of the outer layer 4 is 0.8-1.0 mm. Liquid ceramicized silicone rubber is uniformly covered on the surface of the middle layer 5 by coating method, and then vulcanized to form the outer layer 4.

[0024] Furthermore, the intermediate layer 5 is made of spiral soft steel wire, the diameter of the intermediate layer 5 is 1-3mm, and the spiral spacing of the intermediate layer 5 is 15-20mm. The intermediate layer 5 is embedded in the surface of the inner layer 1 by a hot pressing process, with a spacing of 15-20mm. The protective sleeve 6 is made of polytetrafluoroethylene, and the thickness of the protective sleeve 6 is 0.05-0.1mm. The filling layer 7 is made of basalt fiber cotton.

[0025] Working principle: The inner layer 1, made of basalt fiber cloth, provides high-strength support and flame retardancy. The middle layer 5, made of spiral soft steel wire, is used to suppress wind and rain vibration. The outer layer 4, made of ceramicized silicone rubber, forms a ceramicized hard shell when exposed to flame, thereby isolating oxygen and achieving a flame-retardant effect. The protective sleeve 6, which covers the outside of the middle layer 5, prevents the middle layer 5 from scratching the inside of the outer layer 4 during long-term use, thus preventing damage to the outer layer 4. The basalt fiber cotton filling layer 7, which fills the gap between the protective sleeve 6 and the inside of the outer layer 4, prevents the middle layer 5 from moving in the gap between the outer layer 4 and the inner layer 1, and also further enhances the overall fire resistance of the wrapping tape.

[0026] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, or similar improvements made within the theoretical and principle content of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A fire-resistant sealing wrapping tape with a spiral pattern, characterized in that: It includes an inner layer (1); an adhesive layer (2) is fixedly connected to the bottom end of the inner layer (1), a release film (3) is bonded to the bottom end of the adhesive layer (2), an outer layer (4) is fixedly connected to the top end of the inner layer (1), and an intermediate layer (5) is provided between the inner layer (1) and the outer layer (4).

2. The fire-resistant sealing wrapping tape with a spiral pattern according to claim 1, characterized in that: A protective sleeve (6) is fixedly connected to the outer side of the intermediate layer (5). The outer side of the protective sleeve (6) is attached to the inner wall of the outer layer (4) and the top of the inner layer (1). The gap between the outer side of the protective sleeve (6) and the inner wall of the outer layer (4) is filled with a filling layer (7).

3. The fire-resistant sealing wrapping tape with a spiral pattern according to claim 2, characterized in that: The inner layer (1) is made of basalt fiber cloth and the thickness of the inner layer (1) is 0.1-0.3mm.

4. The fire-resistant sealing wrapping tape with a spiral pattern according to claim 3, characterized in that: The outer layer (4) is made of ceramicized silicone rubber and the thickness of the outer layer (4) is 0.8-1.0 mm.

5. The fire-resistant sealing wrapping tape with a spiral pattern according to claim 4, characterized in that: The intermediate layer (5) is made of spiral soft steel wire, the diameter of the intermediate layer (5) is 1-3mm, and the spiral spacing of the intermediate layer (5) is 15-20mm.

6. The fire-resistant sealing wrapping tape with a spiral pattern according to claim 5, characterized in that: The protective sleeve (6) is made of polytetrafluoroethylene and has a thickness of 0.05-0.1mm. The filling layer (7) is made of basalt fiber cotton.

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