High-strength FRP optical cable reinforcing core

Abstract

The utility model discloses a high-strength FRP optical cable reinforcing core, which comprises a steel wire reinforcing core and a cable core, a plurality of steel columns are arranged on the outer side of the steel wire reinforcing core, a first wrapping sleeve is arranged on the outer side of each steel column, a waterproof layer is arranged on the outer side of each first wrapping sleeve, an outer protection assembly is arranged on the outer side of each waterproof layer, and a second protection assembly is arranged on the outer side of each cable core. The outer protection assembly is used for protecting the optical cable, a second wrapping sleeve is arranged on the outer side of the outer protection assembly, and a flame-retardant wear-resistant layer is arranged on the outer side of the second wrapping sleeve. When the FRP optical cable is extruded, a supporting effect is achieved through the plurality of steel columns, so that the cable core is prevented from being greatly damaged due to extrusion; and when the FRP optical cable is extruded, the FRP optical cable is supported by the plurality of steel rings and the supporting blocks at the same time, so that the FRP optical cable can be effectively prevented from being deformed, the friction of the internal cable core can be reduced, and the FRP optical cable can be protected to the greatest extent.

Description

TECHNICAL FIELD

[0001] The utility model relates to FRP optical cable technical field, specifically a kind of high-strength FRP optical cable reinforcing core. BACKGROUND

[0002] FRP optical cable refers to the optical cable using fiber reinforced composite material as reinforcing core.FRP optical cable reinforcing core is usually made of glass fiber as reinforcing material, resin system as matrix, through specific temperature curing pultrusion process.

[0003] The existing Chinese patent with the patent number CN217085343U and the name high-strength FRP optical cable reinforcing core, the abstract of the patent clearly records that the utility model discloses high-strength FRP optical cable reinforcing core in the field of communication information technology, including body and reinforcing part, the reinforcing part is bonded to the inner side wall of the body, the outer side wall of the body is bonded with protective sleeve, the high-strength FRP optical cable reinforcing core, the structure design is reasonable, through the internal addition of reinforcing part of body, through the silicon manganese steel material of reinforcing part, it has the characteristics such as compression resistance, high hardness and not easy to bend, and the outer side wall is welded with inclined pull block, the contact area with body is increased, the restraint between the both is improved, the strength of FRP optical cable reinforcing core is conveniently enhanced, through the heat insulation layer of protective sleeve, glass wool material is adopted, the thermal conductivity is very low, has good heat insulation effect, the heat resistance of body is conveniently improved, the aging rate is reduced, so that the strength of FRP optical cable reinforcing core is further improved, thereby prolonging its service life.

[0004] But in the technology, only the tensile resistance and bending resistance of FRP optical cable are enhanced, and since the reinforcing core is at the innermost side of FRP optical cable, when FRP optical cable is extruded on the outside, it will cause friction between the cable core and the reinforcing core structure inside FRP optical cable, so that the cable core is easily damaged. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of high-strength FRP optical cable reinforcing core to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A kind of high-strength FRP optical cable reinforcing core, including steel wire reinforcing core, cable core, the steel wire reinforcing core outside is provided with multiple steel columns, the steel column outside is provided with first wrapping sleeve, the first wrapping sleeve outside is provided with waterproof layer, the waterproof layer outside is provided with outer protection assembly, the outer protection assembly is used to protect optical cable, the outer protection assembly outside is provided with second wrapping sleeve, the second wrapping sleeve outside is provided with flame-retardant wear-resistant layer.

[0008] In an optimal embodiment of the utility model, the steel wire reinforced core is of a flexible steel material, and the steel column is of a rigid steel material.

[0009] In an optimal embodiment of the utility model, the first wrapping sleeve is internally filled with a first filling layer, the first filling layer wraps the cable core, and the first filling layer is of a mineral insulation filling material.

[0010] In an optimal embodiment of the utility model, the first wrapping sleeve and the second wrapping sleeve are both of a steel band material.

[0011] In an optimal embodiment of the utility model, the waterproof layer is of a water-blocking band material, and the flame-retardant wear-resistant layer is of a polyethylene flame-retardant material.

[0012] In an optimal embodiment of the utility model, the outer protection assembly comprises a plurality of support blocks, the support blocks are provided with steel wire reinforced ropes, and the outer side of the steel wire reinforced ropes is provided with steel rings.

[0013] In an optimal embodiment of the utility model, the steel wire reinforced rope is of a flexible steel material, and the support blocks and the steel rings are of a rigid steel material.

[0014] In an optimal embodiment of the utility model, the second wrapping sleeve is internally filled with a second filling layer.

[0015] Additional aspects and advantages of the utility model will be partially given in the following description, partially will become obvious from the following description, or will be understood through the practice of the utility model.

[0016] Beneficial effects: the steel wire reinforced core is used for reinforcing the FRP optical cable, and when the FRP optical cable is extruded, the plurality of steel columns are used for supporting, so that the cable core is prevented from being greatly damaged due to extrusion; the steel wire reinforced rope is used for reinforcing the tensile effect and strength of the FRP optical cable, and when the FRP optical cable is extruded, the plurality of steel rings and support blocks are used for simultaneously supporting the FRP optical cable, so that the deformation of the FRP optical cable can be effectively avoided, the cable core inside is prevented from being rubbed, and the FRP optical cable is maximally protected.

[0017] The above description is only a summary of the technical scheme of the utility model, in order to more clearly understand the technical means of the utility model, and the content of the specification can be implemented, the following preferred embodiments of the utility model are described in detail with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0018] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the references to the following drawings, of which:

[0019] Figure 1 It is a high-strength FRP optical cable reinforcing core cross-section structure schematic diagram;

[0020] Figure 2 It is a high-strength FRP optical cable reinforcing core steel wire reinforcing core outside structure schematic diagram;

[0021] Figure 3 It is a high-strength FRP optical cable reinforcing core outer protection assembly structure schematic diagram;

[0022] Figure 4 It is a high-strength FRP optical cable reinforcing core outer protection assembly cross-section structure schematic diagram.

[0023] In the figure: 1, steel wire reinforcing core; 11, cable core; 12, steel column; 13, first wrapping sleeve; 14, first filling layer; 2, waterproof layer; 21, support block; 22, second wrapping sleeve; 23, flame-retardant wear-resistant layer; 3, steel wire reinforcing rope; 31, steel ring; 32, second filling layer. DETAILED DESCRIPTION

[0024] The embodiments of the present application will be described in detail below, examples of which are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation of the present application.

[0025] Please refer to Figures 1-4 The present application is a high-strength FRP optical cable reinforcing core, which comprises a steel wire reinforcing core 1 and a cable core 11. The steel wire reinforcing core 1 is the reinforcing core inside the FRP optical cable, and the cable core 11 is the main body of the FRP optical cable. A plurality of steel columns 12 are arranged outside the steel wire reinforcing core 1, and a first wrapping sleeve 13 is arranged outside the steel column 12. The steel wire reinforcing core 1 is a flexible steel material, and the steel column 12 is a rigid steel material. The FRP optical cable is reinforced by the steel wire reinforcing core 1, and when the FRP optical cable is extruded, the plurality of steel columns 12 provide support, thereby avoiding damage to the cable core 11 due to extrusion. A first filling layer 14 is arranged inside the first wrapping sleeve 13. The first filling layer 14 wraps the cable core 11 and is a mineral insulation filling material. The first filling layer 14 fills the inside of the first wrapping sleeve 13 and provides good insulation protection. The first wrapping sleeve 13 is made of steel strip material, which is flexible.

[0026] The first wrapping sleeve 13 is provided with a waterproof layer 2 outside, the waterproof layer 2 is of a water-blocking tape material, thereby achieving good waterproof effect, the waterproof layer 2 is provided with an outer protection assembly outside, the outer protection assembly is used for protecting the optical cable, the outer protection assembly is provided with a second wrapping sleeve 22 outside, the second wrapping sleeve 22 is provided with a flame-retardant wear-resistant layer 23 outside, the flame-retardant wear-resistant layer 23 is of a polyethylene flame-retardant material, the polyethylene flame-retardant material has good flame-retardant wear-resistant effect, thereby playing a role of flame-retardant wear-resistant for the FRP optical cable, the second wrapping sleeve 22 is of a steel band material, that is, wrapping the internal object.

[0027] The outer protection assembly comprises a plurality of support blocks 21, the support blocks 21 are provided with steel wire reinforcing ropes 3, the steel wire reinforcing ropes 3 are provided with steel rings 31 outside, the steel wire reinforcing ropes 3 are of a slightly flexible steel material, the support blocks 21 and the steel rings 31 are of a slightly rigid steel material, the second wrapping sleeve 22 is filled with a second filling layer 32 inside, the second filling layer 32 is used for wrapping the steel rings 31 and the steel wire reinforcing ropes 3, the steel wire reinforcing ropes 3 and the steel wire reinforcing core 1 play the same effect, that is, strengthening the tensile effect and strength of the FRP optical cable, and when the FRP optical cable is extruded, the plurality of steel rings 31 and the support blocks 21 simultaneously support the FRP optical cable, thereby effectively avoiding the deformation of the FRP optical cable, thereby reducing the friction of the internal cable core 11, and the FRP optical cable is protected to the maximum extent.

[0028] The working principle of the utility model is: the steel wire reinforcing core 1 is used for strengthening the FRP optical cable, and when the FRP optical cable is extruded, the plurality of steel columns 12 play a supporting effect, thereby avoiding that the cable core 11 is greatly damaged due to extrusion, the first filling layer 14 plays a good insulation protection effect, the waterproof layer 2 plays a good waterproof effect, the flame-retardant wear-resistant layer 23 plays a role of flame-retardant wear-resistant for the FRP optical cable, effectively avoiding the damage of the FRP optical cable outside, the steel wire reinforcing rope 3 is used for strengthening the tensile effect and strength of the FRP optical cable, and when the FRP optical cable is extruded, the plurality of steel rings 31 and the support blocks 21 simultaneously support the FRP optical cable, thereby effectively avoiding the deformation of the FRP optical cable, thereby reducing the friction of the internal cable core 11, and the FRP optical cable is protected to the maximum extent.

[0029] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.

Claims

1. A high strength FRP optical cable strength core comprising a steel wire strength core (1), a cable core (11), characterized in that: The steel wire reinforced core (1) is provided with a plurality of steel columns (12) outside, the steel column (12) is provided with a first wrapping sleeve (13) outside, the first wrapping sleeve (13) is provided with a waterproof layer (2) outside, the waterproof layer (2) is provided with an outer protection assembly outside, the outer protection assembly is used for protecting optical cable, the outer protection assembly is provided with a second wrapping sleeve (22) outside, the second wrapping sleeve (22) is provided with a flame-retardant wear-resistant layer (23) outside.

2. A high strength FRP optical cable strength core according to claim 1, wherein, The steel wire reinforced core (1) is a flexible steel material, and the steel column (12) is a rigid steel material.

3. The high strength FRP optical cable strength core of claim 1, wherein, The first wrapping sleeve (13) is filled with a first filling layer (14) inside, the first filling layer (14) is wrapped around the cable core (11), and the first filling layer (14) is a mineral insulation filling material.

4. The high strength FRP optical cable strength core of claim 1, wherein, The first wrapping sleeve (13) and the second wrapping sleeve (22) are both made of steel strip material.

5. The high strength FRP optical cable strength core of claim 1, wherein, The waterproof layer (2) is a water-blocking belt material, and the flame-retardant wear-resistant layer (23) is a polyethylene flame-retardant material.

6. The high strength FRP optical cable strength core of claim 1, wherein The outer protection assembly comprises a plurality of support blocks (21), the support block (21) is provided with a steel wire reinforced rope (3), and the steel wire reinforced rope (3) is provided with a steel ring (31) outside.

7. A high strength FRP optical cable strength core according to claim 6, wherein The steel wire reinforced rope (3) is a flexible steel material, and the support block (21) and the steel ring (31) are rigid steel materials.

8. The high strength FRP optical cable strength core of claim 1, wherein, The second wrapping sleeve (22) is filled with a second filling layer (32) inside.

Images