CN114002795A - Flexible metal armored field operation optical cable - Google Patents
Flexible metal armored field operation optical cable Download PDFInfo
- Publication number
- CN114002795A CN114002795A CN202111465651.4A CN202111465651A CN114002795A CN 114002795 A CN114002795 A CN 114002795A CN 202111465651 A CN202111465651 A CN 202111465651A CN 114002795 A CN114002795 A CN 114002795A
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- Prior art keywords
- layer
- armored
- steel wire
- spiral
- pipe
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- 230000003287 optical effect Effects 0.000 title claims abstract description 27
- 239000002184 metal Substances 0.000 title claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 52
- 239000010959 steel Substances 0.000 claims abstract description 52
- 239000010410 layer Substances 0.000 claims abstract description 47
- 239000013307 optical fiber Substances 0.000 claims abstract description 18
- 239000012792 core layer Substances 0.000 claims abstract description 12
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 12
- 239000010935 stainless steel Substances 0.000 claims abstract description 10
- 239000011241 protective layer Substances 0.000 claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- 239000004698 Polyethylene Substances 0.000 claims description 9
- 229920002313 fluoropolymer Polymers 0.000 claims description 9
- -1 polyethylene Polymers 0.000 claims description 9
- 229920000573 polyethylene Polymers 0.000 claims description 9
- 229920002635 polyurethane Polymers 0.000 claims description 9
- 239000004814 polyurethane Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 7
- 229920001971 elastomer Polymers 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 239000005060 rubber Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 4
- 239000010962 carbon steel Substances 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 238000004891 communication Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
Images
Classifications
-
- 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
-
- 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
-
- 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
- G02B6/4486—Protective covering
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Insulated Conductors (AREA)
Abstract
The invention discloses a flexible metal armored field operation optical cable and a manufacturing method thereof, and relates to the technical field of field operation optical cables, the flexible metal armored field operation optical cable comprises a cable core layer, wherein a single optical fiber or a plurality of optical fibers are arranged in the cable core layer, and a spiral armored pipe, a steel wire rope strand armored layer and an outer protective layer are sequentially coated outside the optical fiber or the optical fibers, wherein the thickness of the spiral armored pipe is 0.15-0.3 mm, the spiral gap is 0.05-0.15 mm, the steel wire rope strand armored layer is a plurality of steel wire rope strands which are mutually twisted, the twisting pitch is 30-70 mm, and the steel wire rope strands can be selected from one, two or three of single-stranded ropes, double-twisted ropes with the twisting pitch of 10-20 mm and three twisting ropes. The spiral armored pipe is similar to a metal spring due to the existence of gaps, the rigidity of a stainless steel pipe is avoided, the metal pipe has the flexibility characteristic, and the steel wire rope strand armor layer is formed by twisting a plurality of thin steel wires, so that certain flexibility is realized while the strength is ensured.
Description
Technical Field
The invention relates to the technical field of field optical cables, in particular to a flexible metal armored field optical cable.
Background
The field operation optical cable is a metal-free optical cable which is specially designed for use under the conditions that rapid wiring or repeated winding and unwinding are needed in field operation and complex environment, and has light weight and convenient carrying; tensile strength, compressive strength and high strength-weight ratio; the flexibility is good, and the flexibility is easy; oil resistance, wear resistance, flame retardance, wide applicable temperature range and the like. The system is suitable for rapid wiring or repeated winding and unwinding of military field communication systems; radar, aviation and ship wiring; in oil field, mine, port, television field relay, communication line emergency repair and other places with harsh conditions. Most of traditional field operations optical cable adopt the mode of metal armor, support external environment's impact destructive power through the metal armor, however, the metal armor has improved the intensity of optical cable, has also increased the toughness of optical cable, has the not flexible of optical cable, the difficult problem of wiring.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the flexible metal armored field operation optical cable with good flexibility and extremely strong mechanical property and the manufacturing method thereof.
The invention adopts the following technical scheme: a flexible metal armored field optical cable comprises a cable core layer, wherein a single optical fiber or a plurality of optical fibers and partial fillers are arranged in the cable core layer, and a spiral armored pipe, a steel wire rope strand armored layer and an outer protective layer are sequentially coated outside the cable core layer, wherein the thickness of the spiral armored pipe is 0.15mm-0.3mm, and the spiral gap is 0.05mm-0.15 mm; the steel wire strand armor layer is formed by stranding a plurality of steel wire strands, the stranding pitch is 30mm-70mm, and the steel wire strands can be selected from one of a single-stranded rope, a double-stranded rope with the lay length of 10mm-20mm and a triple-stranded rope, or any two or any three of the single-stranded rope, the double-stranded rope and the triple-stranded rope.
As an optimized scheme, a flexible sheath layer is further arranged between the spiral armor pipe and the steel wire rope strand armor layer, the wall thickness of the flexible sheath layer is 0.4-1.5 mm, and the flexible sheath layer is made of any one of polyethylene, polyurethane, silicon rubber or fluoroplastic.
As an optimized scheme, each strand of the steel wire rope is made of any one of carbon steel, stainless steel or plastic-coated steel.
As an optimized scheme, the outer protection layer is made of any one of polyethylene, polyurethane, rubber or fluoroplastic.
The invention also provides a manufacturing method of the flexible metal armored field operation optical cable, which comprises the following steps:
pressing 0.5mm stainless steel wires to form a steel belt with the thickness of 0.15mm-0.3 mm;
paying off the single or the plurality of optical fibers by a pay-off rack and feeding the optical fibers into a numerical control tube making machine;
the steel belt after wire pressing is placed in the numerical control pipe making machine, the spiral armored pipe is formed after passing through a spiral armored die and is wound outside the single or the plurality of optical fibers;
extruding a flexible sheath layer with the wall thickness of 0.4-1.5 mm outside the spiral armor pipe by adopting a high-temperature extrusion molding process;
forming the steel wire rope strand armor layer by a stranding process and winding the steel wire rope strand armor layer outside the flexible sheath layer, wherein the stranding pitch is controlled to be 30-70 mm;
and coating any one of polyethylene, polyurethane, rubber or fluoroplastic on the outer layer of the steel wire strand armor layer by using a coating machine to form the outer protective layer.
Compared with the prior art, the invention has the advantages that:
the spiral armored pipe is similar to a metal spring due to the existence of gaps, the rigidity of a stainless steel pipe is avoided, the metal pipe has the flexibility characteristic, and the steel wire rope strand armor layer is formed by twisting a plurality of thin steel wires, so that certain flexibility is realized while the strength is ensured.
Drawings
FIG. 1 is a cross-sectional view of an embodiment 1 of a flexible metal-armored field fiber optic cable according to the present invention;
FIG. 2 is a cross-sectional view of embodiment 2 of a flexible metal-armored field fiber optic cable according to the present invention;
the cable comprises a cable core layer 1, a spiral armor pipe 2, a steel wire rope strand armor layer 3, an outer protective layer 4 and a flexible sheath layer 5.
Detailed Description
Hereinafter, in order to facilitate the technical solution of the present invention for those skilled in the art to understand, further description will be made with reference to the accompanying drawings. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention.
In the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the invention. It may be evident, however, that one or more embodiments may be practiced without these specific details. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Example 1:
referring to fig. 1, a cross-sectional view of an embodiment of a flexible metal-armored field operation optical cable according to the present invention is shown, where the flexible metal-armored field operation optical cable includes a cable core layer 1, a spiral armored pipe 2, a steel wire strand armored layer 3 and an outer sheath layer 4, where a single optical fiber or multiple optical fibers and a part of fillers are disposed in the cable core layer 1, the spiral armored pipe 2 is wrapped outside the cable core layer 1, the steel wire strand armored layer 3 is wrapped outside the spiral armored pipe 2, and the outer sheath layer 4 is wrapped outside the steel wire strand armored layer 3. The spiral armor tube is 0.15mm-0.3mm in thickness and 0.05mm-0.15mm in spiral gap, the steel wire strand armor layer is formed by a plurality of steel wire strands which are mutually twisted, the twisting pitch among the plurality of steel wire strands is 30mm-70mm, and in the embodiment, the steel wire strands can be selected from one, two or three of single-stranded ropes, double-stranded ropes with the twisting pitch of 10mm-20mm and triple-stranded ropes. Each steel wire rope strand is made of any one of carbon steel, stainless steel or plastic-coated steel, and the outer protective layer is made of any one of polyethylene, polyurethane, rubber or fluoroplastic.
Example 2:
referring to fig. 2, which is a cross-sectional view of an embodiment 2 of a flexible metal-armored field optical cable according to the present invention, the main difference between this embodiment and embodiment 1 is that a flexible sheathing layer 5 is further added between a spiral armor tube 2 and a steel wire strand armor layer 3 for increasing the overall flexibility of the field optical cable, the wall thickness of the flexible sheathing layer 5 is 0.4mm to 1.5mm, and the flexible sheathing layer 5 may be made of any one of polyethylene, polyurethane, silicone rubber or fluoroplastic.
The invention discloses a method for manufacturing a flexible metal armored field optical cable, which comprises the following steps: firstly, a stainless steel band is manufactured by wire pressing, a stainless steel wire with the thickness of 0.2mm is formed by wire pressing through a stainless steel wire with the thickness of 0.5mm, then a single or a plurality of optical fibers are paid off through a pay-off rack and enter a numerical control tube making machine, the steel band after wire pressing passes through a spiral armor die in the numerical control tube making machine to form a spiral armor tube 2 to be wound outside the optical fibers, the gap of the spiral armor tube 2 is controlled to be 0.05mm-0.15mm, the manufacturing of the flexible spiral armor tube 2 is realized, the inner part of the spiral armor tube 2 is similar to a metal spring due to the existence of the gap, the rigidity of the stainless steel tube is avoided, the metal tube has the flexibility characteristic, a flexible sheath layer 5 with the thickness of 0.4mm-1.5mm is extruded outside the spiral armor tube 2 by adopting an extrusion molding high-temperature process, a plurality of zinc-plated carbon steel wires are twisted to manufacture a steel wire rope strand, the twist distance of the steel wire rope strand is controlled to be 10mm-20mm, the twisted steel wire rope strands are manufactured into a steel wire rope strand armor layer 3 through an armor stranding process and wound outside a flexible sheath layer 5, any one of polyethylene, polyurethane, rubber or fluoroplastic is coated on the outer layer of the steel wire rope strand armor layer 3 through a coating machine to form an outer protective layer 4, and the super-flexible high-strength steel wire rope field optical cable is manufactured.
The spiral armored pipe is similar to a metal spring due to the existence of gaps, the rigidity of a stainless steel pipe is avoided, the metal pipe has the flexibility characteristic, and the steel wire rope strand armor layer is formed by twisting a plurality of thin steel wires, so that certain flexibility is realized while the strength is ensured.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (5)
1. A flexible metal armored field optical cable comprises a cable core layer (1), wherein a single optical fiber or a plurality of optical fibers and partial fillers are arranged in the cable core layer (1), and the flexible metal armored field optical cable is characterized in that a spiral armored pipe (2), a steel wire rope strand armored layer (3) and an outer protective layer (4) are sequentially coated outside the cable core layer (1), wherein the thickness of the spiral armored pipe is 0.15mm-0.3mm, and the spiral gap is 0.05mm-0.15 mm; the steel wire strand armor layer is formed by stranding a plurality of steel wire strands, the stranding pitch is 30mm-70mm, and the steel wire strands can be selected from one of a single-stranded rope, a double-stranded rope with the lay length of 10mm-20mm and a triple-stranded rope, or any two or any three of the two or the three.
2. The flexible metal armored field optical cable according to claim 1, wherein a flexible sheathing layer (5) is further arranged between the spiral armor tube (2) and the steel wire strand armor layer (3), the wall thickness of the flexible sheathing layer (5) is 0.4mm-1.5mm, and the flexible sheathing layer (5) is made of any one of polyethylene, polyurethane, silicon rubber or fluoroplastic.
3. The flexible metal-armored field optical cable of claim 2, wherein each of the steel wire strands is made of any one of carbon steel, stainless steel or plastic-coated steel.
4. The flexible metal-armored field optical cable according to claim 3, wherein the outer sheath (4) is made of any one of polyethylene, polyurethane, rubber or fluoroplastic.
5. A method of making a flexible metal armored field cable according to any one of claims 2 to 4, comprising the steps of:
pressing 0.5mm stainless steel wires to form a steel belt with the thickness of 0.15mm-0.3 mm;
paying off the single or the plurality of optical fibers by a pay-off rack and feeding the optical fibers into a numerical control tube making machine;
the steel belt after wire pressing is placed in the numerical control pipe making machine, the spiral armored pipe (2) is formed after passing through a spiral armored die and is wound outside the single or the plurality of optical fibers;
a flexible sheath layer (5) with the wall thickness of 0.4mm-1.5mm is extruded outside the spiral armor tube (2) by adopting a high-temperature extrusion molding process;
forming the steel wire rope strand armor layer (3) by a stranding process and winding the steel wire rope strand armor layer outside the flexible sheath layer (5), wherein the stranding pitch is controlled to be 30-70 mm;
and coating any one of polyethylene, polyurethane, rubber or fluoroplastic on the outer layer of the steel wire strand armor layer (3) by using a coating machine to form the outer protective layer (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111465651.4A CN114002795A (en) | 2021-12-03 | 2021-12-03 | Flexible metal armored field operation optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111465651.4A CN114002795A (en) | 2021-12-03 | 2021-12-03 | Flexible metal armored field operation optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114002795A true CN114002795A (en) | 2022-02-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111465651.4A Pending CN114002795A (en) | 2021-12-03 | 2021-12-03 | Flexible metal armored field operation optical cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114002795A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201820024U (en) * | 2010-10-27 | 2011-05-04 | 北京亨通斯博通讯科技有限公司 | Novel optical cable for rail transportation |
| CN107367806A (en) * | 2017-08-02 | 2017-11-21 | 东捷光电科技(苏州)有限公司 | A kind of rescue type armored optical cable for field operations |
| CN207009150U (en) * | 2017-07-10 | 2018-02-13 | 江苏宏图高科技股份有限公司 | A kind of flexible ground shield optoelectronic composite cable |
| CN207164316U (en) * | 2017-03-23 | 2018-03-30 | 深圳市威科光电科技有限公司 | A kind of stainless steel helix tube flexible armoring optical cable |
| CN207488587U (en) * | 2017-12-05 | 2018-06-12 | 德阳汇川科技有限公司 | A kind of stainless steel tube steel wire armoring cable |
| CN209979905U (en) * | 2019-06-28 | 2020-01-21 | 深圳仕佳光缆技术有限公司 | Armored optical cable |
| CN209993359U (en) * | 2019-06-01 | 2020-01-24 | 安徽渡江电缆集团有限公司 | Combined flexible cable for underground movable transformer |
| CN210506962U (en) * | 2019-08-05 | 2020-05-12 | 河源迪奇亚工业技术有限公司 | Armored closed rope steel cable |
| CN210803804U (en) * | 2019-08-06 | 2020-06-19 | 深圳仕佳光缆技术有限公司 | Remote optical cable with multiple protection functions |
| CN211086699U (en) * | 2019-07-12 | 2020-07-24 | 东捷光电科技(苏州)有限公司 | Miniature tensile field operations receive and releases armoured optical cable subassembly |
| CN211828224U (en) * | 2020-05-25 | 2020-10-30 | 河南省三恒实业有限公司 | Steel wire armored cable |
| CN112578513A (en) * | 2019-09-29 | 2021-03-30 | 北京亨通斯博通讯科技有限公司 | Novel field emergency optical cable and preparation method thereof |
| CN213277505U (en) * | 2020-09-23 | 2021-05-25 | 扬州市永诚电器线缆有限公司 | Double-layer armored three-core ocean cable |
-
2021
- 2021-12-03 CN CN202111465651.4A patent/CN114002795A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201820024U (en) * | 2010-10-27 | 2011-05-04 | 北京亨通斯博通讯科技有限公司 | Novel optical cable for rail transportation |
| CN207164316U (en) * | 2017-03-23 | 2018-03-30 | 深圳市威科光电科技有限公司 | A kind of stainless steel helix tube flexible armoring optical cable |
| CN207009150U (en) * | 2017-07-10 | 2018-02-13 | 江苏宏图高科技股份有限公司 | A kind of flexible ground shield optoelectronic composite cable |
| CN107367806A (en) * | 2017-08-02 | 2017-11-21 | 东捷光电科技(苏州)有限公司 | A kind of rescue type armored optical cable for field operations |
| CN207488587U (en) * | 2017-12-05 | 2018-06-12 | 德阳汇川科技有限公司 | A kind of stainless steel tube steel wire armoring cable |
| CN209993359U (en) * | 2019-06-01 | 2020-01-24 | 安徽渡江电缆集团有限公司 | Combined flexible cable for underground movable transformer |
| CN209979905U (en) * | 2019-06-28 | 2020-01-21 | 深圳仕佳光缆技术有限公司 | Armored optical cable |
| CN211086699U (en) * | 2019-07-12 | 2020-07-24 | 东捷光电科技(苏州)有限公司 | Miniature tensile field operations receive and releases armoured optical cable subassembly |
| CN210506962U (en) * | 2019-08-05 | 2020-05-12 | 河源迪奇亚工业技术有限公司 | Armored closed rope steel cable |
| CN210803804U (en) * | 2019-08-06 | 2020-06-19 | 深圳仕佳光缆技术有限公司 | Remote optical cable with multiple protection functions |
| CN112578513A (en) * | 2019-09-29 | 2021-03-30 | 北京亨通斯博通讯科技有限公司 | Novel field emergency optical cable and preparation method thereof |
| CN211828224U (en) * | 2020-05-25 | 2020-10-30 | 河南省三恒实业有限公司 | Steel wire armored cable |
| CN213277505U (en) * | 2020-09-23 | 2021-05-25 | 扬州市永诚电器线缆有限公司 | Double-layer armored three-core ocean cable |
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Application publication date: 20220201 |
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