CN108761678B - High-strength light wear-resistant communication optical cable - Google Patents
High-strength light wear-resistant communication optical cable Download PDFInfo
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- CN108761678B CN108761678B CN201810497386.XA CN201810497386A CN108761678B CN 108761678 B CN108761678 B CN 108761678B CN 201810497386 A CN201810497386 A CN 201810497386A CN 108761678 B CN108761678 B CN 108761678B
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- ceramic cylinder
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- cable core
- side wall
- reinforcing
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
- G02B6/4432—Protective covering with fibre reinforcements
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4479—Manufacturing methods of optical cables
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Communication Cables (AREA)
- Insulated Conductors (AREA)
Abstract
The invention discloses a high-strength light-weight wear-resistant communication optical cable which comprises a plurality of cable core components, wherein a central sleeve is sleeved outside the cable core components, each cable core component comprises a cable core and a sheath sleeved and fixed on the outer side of the cable core, a reinforcing pipe is sleeved outside the central sleeve, a plurality of reinforcing support bars are uniformly distributed on the inner surface of the side wall of the reinforcing pipe at equal angles, and the reinforcing support bars are connected with the outer surface of the side wall of the central sleeve in a pressing mode; the periphery of the reinforcing pipe is tightly sleeved with a layer of high-strength elastic sleeve. The sheath is directly wrapped outside the cable core of the optical cable, the central sleeve is wrapped outside the sheath, the reinforcing pipe is tightly pressed and fixed outside the central sleeve, the high-strength elastic sleeve is sleeved outside the reinforcing pipe, the protection capability of the cable core can be improved through heavy protection of the sheath, the central sleeve, the reinforcing pipe and the high-strength elastic sleeve, and the cable core is prevented from being broken or being bitten by a mouse to break the outer protective layer in the use process.
Description
Technical Field
The invention belongs to the field of optical cables, and relates to a high-strength light wear-resistant communication optical cable.
Background
Fiber optic cables are manufactured to meet optical, mechanical, or environmental performance specifications and utilize one or more optical fibers disposed in a covering jacket as the transmission medium and may be used individually or in groups as telecommunication cable assemblies. The optical cable is mainly composed of optical fiber, plastic protective sleeve and plastic sheath, and has no metal such as gold, silver, copper and aluminum, and generally has no recycling value. The optical cable is a communication line which is formed by a certain number of optical fibers according to a certain mode to form a cable core, is coated with a sheath, and is also coated with an outer protective layer for realizing optical signal transmission. Namely: a cable is formed by subjecting an optical fiber to a certain process. The basic structure of the optical cable generally comprises a cable core, a reinforcing steel wire, fillers, a sheath and other parts, and components such as a waterproof layer, a buffer layer, an insulated metal wire and the like are also arranged according to needs.
Disclosure of Invention
The invention aims to provide a high-strength light-weight wear-resistant communication optical cable, wherein a sheath is directly wrapped on the outer side of a cable core of the optical cable, a central sleeve is wrapped on the outer side of the sheath, a reinforcing pipe is fixedly compressed on the outer part of the central sleeve, and a high-strength elastic sleeve is sleeved on the outer part of the reinforcing pipe.
The purpose of the invention can be realized by the following technical scheme:
a high-strength light-weight wear-resistant communication optical cable comprises a plurality of cable core assemblies, wherein a central sleeve is sleeved outside each cable core assembly, each cable core assembly comprises a cable core and a sheath sleeved and fixed outside the cable core, a reinforcing pipe is sleeved outside each central sleeve, a plurality of reinforcing support bars are uniformly distributed on the inner surface of the side wall of each reinforcing pipe at equal angles, and the reinforcing support bars are connected with the outer surface of the side wall of each central sleeve in a pressing mode;
a layer of high-strength elastic sleeve is tightly sleeved on the periphery of the reinforcing pipe;
the sheath and the central sleeve are prepared from one of polyphenyl ether material, polyphenylene sulfide material and polyarylate material;
the reinforcing pipe is an inorganic fiber pipe which is made of basalt serving as a main raw material through high-temperature melting processing, and has high light degree and light weight;
the specific preparation process of the high-strength elastic sleeve comprises the following steps:
step one, preparing a high-strength ceramic cylinder: sleeving an aluminum oxide ceramic cylinder on a mold, placing the mold in a nitrogen atmosphere, melting a pure aluminum block at high temperature, directly spraying and pressing the pure aluminum block on the outer surface of the side wall of the ceramic cylinder by using a pressure head of a spray gun to enable aluminum metal to be uniformly impregnated on the outer surface of the side wall of the ceramic cylinder, further realizing the fusion of the aluminum metal and the ceramic material, and then polishing the outer surface of the side wall of the ceramic cylinder to obtain a high-strength ceramic cylinder, wherein the aluminum metal is uniformly impregnated in gaps of the ceramic cylinder, so that the structure of the ceramic cylinder becomes compact, and further the strength and the hardness of the ceramic cylinder can be improved;
secondly, pretreating the ceramic cylinder: polishing the inner surface of the side wall of the ceramic cylinder prepared in the first step by using sand paper to be smooth and uniform;
thirdly, gluing the ceramic cylinder: uniformly brushing a layer of adhesive on the inner surface of the side wall of the polished ceramic cylinder;
fourthly, compounding the rubber elastic inner cushion: preparing rubber slurry, immediately compounding the rubber slurry on the surface of an adhesive layer after the adhesive is coated on the inner surface of the side wall of the ceramic cylinder, drying at 50 ℃ to obtain a high-strength elastic sleeve, and clamping and sleeving the high-strength elastic sleeve on the peripheral side of the reinforcing pipe through the elastic expansion and contraction action of an internal rubber layer to firmly fix the high-strength elastic sleeve;
the preparation process of the rubber slurry comprises the following steps: adding brominated butyl rubber into trichloromethane, heating to 70 ℃, stirring and dissolving, then adding a cross-linking agent, an accelerator, sulfur, zinc oxide and carbon black, and stirring and mixing uniformly to obtain rubber slurry;
wherein the rubber slurry comprises the following components in parts by weight: 90-100 parts of brominated butyl rubber, 400-450 parts of trichloromethane, 2-5 parts of a cross-linking agent, 5-7 parts of an accelerator, 0.5-0.8 part of sulfur, 4-7 parts of zinc oxide and 28-34 parts of carbon black.
The invention has the beneficial effects that:
the sheath is directly wrapped outside the cable core of the optical cable, the central sleeve is wrapped outside the sheath, the reinforcing pipe is tightly pressed and fixed outside the central sleeve, the high-strength elastic sleeve is sleeved outside the reinforcing pipe, the protection capability of the cable core can be improved through heavy protection of the sheath, the central sleeve, the reinforcing pipe and the high-strength elastic sleeve, and the cable core is prevented from being broken or being bitten by a mouse to break the outer protective layer in the use process.
The high-strength elastic sleeve is prepared by modifying a high-strength ceramic material, has higher wear resistance and strength, improves the integral strength and wear resistance of the optical cable, is bonded with one elastic rubber layer, can be clamped and sleeved on the peripheral side of the reinforcing pipe through the elastic expansion and contraction action of the internal rubber layer, and is fixed firmly.
According to the invention, the plurality of reinforcing branch strips are uniformly distributed on the inner surface of the side wall of the reinforcing pipe at equal angles, and the reinforcing branch strips are tightly pressed and connected with the outer surface of the side wall of the central sleeve, so that a gap is formed between the reinforcing pipe and the central sleeve, and the weight of the optical cable can be reduced while the strength of the optical cable is improved.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of a high-strength, light-weight and abrasion-resistant optical communication cable according to the present invention.
Detailed Description
Example 1:
a high-strength light-weight wear-resistant communication optical cable comprises a plurality of cable core assemblies 1, wherein a central sleeve 2 is sleeved outside each cable core assembly 1, each cable core assembly 1 comprises a cable core 11 and a sheath 12 which is sleeved and fixed outside the cable core, a reinforcing tube 3 is sleeved outside each central sleeve 2, a plurality of reinforcing support bars 31 are uniformly distributed on the inner surface of the side wall of each reinforcing tube 3 at equal angles, the reinforcing support bars 31 are tightly pressed and connected with the outer surface of the side wall of each central sleeve 2, a gap is formed between each reinforcing tube 3 and each central sleeve 2, and the weight of the optical cable can be reduced while the strength of the optical cable is improved;
a layer of high-strength elastic sleeve is tightly sleeved on the peripheral side of the reinforcing pipe 3;
the sheath 12 and the central sleeve 2 are made of one of polyphenyl ether material, polyphenylene sulfide material and polyarylate material;
the reinforcing pipe 3 is an inorganic fiber pipe which is made of basalt serving as a main raw material through high-temperature melting processing, and has high light degree and light weight;
the specific preparation process of the high-strength elastic sleeve comprises the following steps:
step one, preparing a high-strength ceramic cylinder: sleeving an aluminum oxide ceramic cylinder on a mold, placing the mold in a nitrogen atmosphere, melting a pure aluminum block at high temperature, directly spraying and pressing the pure aluminum block on the outer surface of the side wall of the ceramic cylinder by using a pressure head of a spray gun to enable aluminum metal to be uniformly impregnated on the outer surface of the side wall of the ceramic cylinder, further realizing the fusion of the aluminum metal and the ceramic material, and then polishing the outer surface of the side wall of the ceramic cylinder to obtain a high-strength ceramic cylinder, wherein the aluminum metal is uniformly impregnated in gaps of the ceramic cylinder, so that the structure of the ceramic cylinder becomes compact, and further the strength and the hardness of the ceramic cylinder can be improved;
secondly, pretreating the ceramic cylinder: polishing the inner surface of the side wall of the ceramic cylinder prepared in the first step by using sand paper to be smooth and uniform;
thirdly, gluing the ceramic cylinder: uniformly brushing a layer of adhesive on the inner surface of the side wall of the polished ceramic cylinder;
fourthly, compounding the rubber elastic inner cushion: preparing rubber slurry, immediately compounding the rubber slurry on the surface of an adhesive layer after the adhesive is coated on the inner surface of the side wall of the ceramic cylinder, drying at 50 ℃ to obtain a high-strength elastic sleeve, and clamping and sleeving the high-strength elastic sleeve on the peripheral side of the reinforcing pipe 3 through the elastic expansion effect of the internal rubber layer to fix firmly;
the preparation process of the rubber slurry comprises the following steps: adding 9kg of brominated butyl rubber into 40kg of trichloromethane, heating to 70 ℃, stirring and dissolving, then adding 0.2kg of cross-linking agent, 0.5kg of accelerator, 0.05kg of sulfur, 0.4kg of zinc oxide and 2.8kg of carbon black, and stirring and mixing uniformly to obtain rubber slurry.
Example 2:
the structure of the communication optical cable is the same as that of the embodiment 1, and the preparation process of the rubber slurry is different; the preparation process of the rubber slurry comprises the following steps: adding 10kg of brominated butyl rubber into 45kg of trichloromethane, heating to 70 ℃, stirring and dissolving, then adding 0.5kg of cross-linking agent, 0.7kg of accelerator, 0.08kg of sulfur, 0.7kg of zinc oxide and 3.4kg of carbon black, and stirring and mixing uniformly to obtain rubber slurry.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (4)
1. A high-strength light-weight wear-resistant communication optical cable is characterized by comprising a plurality of cable core assemblies (1), wherein a central sleeve (2) is sleeved outside each cable core assembly (1), each cable core assembly (1) comprises a cable core (11) and a sheath (12) which is sleeved and fixed outside the cable core, a reinforcing pipe (3) is sleeved outside each central sleeve (2), a plurality of reinforcing support bars (31) are uniformly distributed on the inner surface of the side wall of each reinforcing pipe (3) at equal angles, and each reinforcing support bar (31) is connected with the outer surface of the side wall of each central sleeve (2) in a pressing mode;
a layer of high-strength elastic sleeve is tightly sleeved on the peripheral side of the reinforcing pipe (3);
the specific preparation process of the high-strength elastic sleeve comprises the following steps:
step one, preparing a high-strength ceramic cylinder: sleeving an aluminum oxide ceramic cylinder on a mold, then placing the mold in a nitrogen atmosphere, melting a pure aluminum block at high temperature, directly spraying and pressing the pure aluminum block on the outer surface of the side wall of the ceramic cylinder by using a pressure head of a spray gun to enable aluminum metal to be uniformly impregnated on the outer surface of the side wall of the ceramic cylinder, further realizing the fusion of the aluminum metal and the ceramic material, and then polishing the outer surface of the side wall of the ceramic cylinder to obtain a high-strength ceramic cylinder, wherein the aluminum metal is uniformly impregnated in gaps of the ceramic cylinder, so that the structure of the ceramic cylinder becomes compact, and further the strength and the hardness of the ceramic cylinder can be improved;
secondly, pretreating the ceramic cylinder: polishing the inner surface of the side wall of the ceramic cylinder prepared in the first step by using sand paper to be smooth and uniform;
thirdly, gluing the ceramic cylinder: uniformly brushing a layer of adhesive on the inner surface of the side wall of the polished ceramic cylinder;
fourthly, compounding the rubber elastic inner cushion: preparing rubber slurry, immediately compounding the rubber slurry on the surface of an adhesive layer after the adhesive is coated on the inner surface of the side wall of the ceramic cylinder, and drying at 50 ℃ to obtain a high-strength elastic sleeve; the preparation process of the rubber slurry comprises the following steps: adding brominated butyl rubber into trichloromethane, heating to 70 ℃, stirring and dissolving, then adding a cross-linking agent, an accelerator, sulfur, zinc oxide and carbon black, and stirring and mixing uniformly to obtain rubber slurry.
2. A high strength lightweight abrasion resistant optical communication cable as claimed in claim 1, wherein said sheath (12) and said center tube (2) are made of one of polyphenylene oxide material, polyphenylene sulfide material, polyarylate material.
3. A high-strength light-weight abrasion-resistant optical communication cable according to claim 1, wherein said reinforcing tube (3) is an inorganic fiber tube made of basalt as a main raw material by high-temperature melt processing.
4. The high-strength light-weight abrasion-resistant optical communication cable according to claim 1, wherein the rubber slurry comprises the following components in parts by weight: 90-100 parts of brominated butyl rubber, 400-450 parts of trichloromethane, 2-5 parts of a cross-linking agent, 5-7 parts of an accelerator, 0.5-0.8 part of sulfur, 4-7 parts of zinc oxide and 28-34 parts of carbon black.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810497386.XA CN108761678B (en) | 2018-05-22 | 2018-05-22 | High-strength light wear-resistant communication optical cable |
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| CN201810497386.XA CN108761678B (en) | 2018-05-22 | 2018-05-22 | High-strength light wear-resistant communication optical cable |
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| CN108761678A CN108761678A (en) | 2018-11-06 |
| CN108761678B true CN108761678B (en) | 2020-03-06 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6572081B2 (en) * | 2000-12-27 | 2003-06-03 | Nkf Kabel B.V. | Installation of guide tubes in a protective duct |
| CN101650458A (en) * | 2009-06-24 | 2010-02-17 | 沈群华 | Center beam tube type cable |
| CN102298993B (en) * | 2011-06-17 | 2013-08-28 | 重庆宝丰线缆有限公司 | Optical-fiber composite low-voltage intelligent cable used in coal mine and preparation method thereof |
| CN203337879U (en) * | 2013-10-24 | 2013-12-11 | 昆明华视讯网络科技有限公司 | Central beam tube type optical cable with strong mechanical properties |
| CN103728701A (en) * | 2013-12-13 | 2014-04-16 | 江苏亨通光电股份有限公司 | Reinforced type all-dielectric and rodent-resistant cable and manufacturing process thereof |
| CN104914530A (en) * | 2015-05-29 | 2015-09-16 | 成都亨通光通信有限公司 | Production method for metal-free rat-proof optical cable |
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Effective date of registration: 20200611 Address after: 230000 No. 201, Langxi Road, Yaohai District, Anhui, Hefei Patentee after: Anhui Telecom Industry Group Co.,Ltd. equipment trade branch Address before: 230000 No. 201, Langxi Road, Yaohai District, Anhui, Hefei Patentee before: ANHUI TELECOM DEVICE TRADE INDUSTRY Co.,Ltd. |
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Effective date of registration: 20220616 Address after: 518000 18th floor, building B, tefa information port building, No.2 Kefeng Road, high tech Zone, Nanshan District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN SDG INFORMATION Co.,Ltd. Address before: NO.201, Langxi Road, Yaohai District, Hefei City, Anhui Province Patentee before: Anhui Telecom Industry Group Co.,Ltd. equipment trade branch |
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