CN114815100A - Novel mining flexible explosion-proof flame-retardant communication optical cable and manufacturing method thereof - Google Patents
Novel mining flexible explosion-proof flame-retardant communication optical cable and manufacturing method thereof Download PDFInfo
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- CN114815100A CN114815100A CN202210358786.9A CN202210358786A CN114815100A CN 114815100 A CN114815100 A CN 114815100A CN 202210358786 A CN202210358786 A CN 202210358786A CN 114815100 A CN114815100 A CN 114815100A
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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
- G02B6/4436—Heat resistant
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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
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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
- G02B6/44384—Means specially adapted for strengthening or protecting the cables the means comprising water blocking or hydrophobic materials
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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
- G02B6/4479—Manufacturing methods of optical cables
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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
- G02B6/4479—Manufacturing methods of optical cables
- G02B6/4483—Injection or filling devices
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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
- G02B6/4479—Manufacturing methods of optical cables
- G02B6/4486—Protective covering
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Abstract
The invention provides a novel mining flexible explosion-proof flame-retardant communication optical cable and a manufacturing method thereof, wherein the novel mining flexible explosion-proof flame-retardant communication optical cable comprises an optical fiber, a nylon tight sleeve, an aramid fiber armor, a spiral armor sheath, a twisted stainless steel wire and a high flame-retardant sheath, wherein the optical fiber, the nylon tight sleeve, the aramid fiber armor, the spiral armor sheath, the twisted stainless steel wire reinforcement and the high flame-retardant sheath are sequentially arranged from inside to outside; the invention has small outer diameter, convenient construction, excellent waterproof performance, high mechanical performance strength, high flame retardant level and good tensile, compressive and anti-explosion performance, can resist the damage caused by various malignant accidents in the complex environment of a mine, ensures the normal transmission of communication signals and effectively protects the safety of people and property.
Description
Technical Field
The invention belongs to the technical field of communication optical cables, and particularly relates to a novel mining flexible explosion-proof flame-retardant communication optical cable and a manufacturing method thereof.
Background
The coal is ancient plant remains, is buried under the stratum, and is subjected to the action of the crust under the condition of air pressure and temperature to generate carbonized fossil minerals. For modern industries, whether heavy industry, light industry, transportation industry and the like play important roles, and various industrial departments consume a certain amount of coal to a certain extent, so that coal is called as industrial 'real grain'.
Coal is distributed in continents and islands in the world, China, America, Russia and Germany are countries with abundant coal reserves and also main coal producing countries in the world, wherein China is the country with the highest coal yield in the world.
Coal mining has historically been the most arduous task, especially with safety.
Because coal production mainly works underground, the working environment is severe (the working area is narrow and small, the illumination is poor, the coal production is humid and corrosive), unsafe factors are many (the threats of accidents such as water, fire, gas and a roof are mainly), and personnel and equipment mobility is large. From the production operation process, the underground multi-station combined flow water operation device has the characteristic of multi-station combined flow water operation, a plurality of heavy equipment frequently participates in the operation, the requirements on transportation, installation and debugging matching among the equipment are high, and the information transmission must be timely and accurate. Meanwhile, the management department and the production auxiliary link of the coal mine ground have all the characteristics of ground factory production. Therefore, the coal mine communication network must meet the requirements of underground safety and production, ground production, command, management, life of people and the like.
Aiming at the coal mine communication problem, in combination with actual conditions, a novel communication transmission optical cable specially applied to underground flammable and explosive environments such as coal mines, gold mines and the like needs to be researched and designed.
Disclosure of Invention
The invention aims to provide a novel mining flexible explosion-proof flame-retardant communication optical cable and a manufacturing method thereof, so as to solve the problems in the background technology.
The invention is realized in such a way that a novel mining flexible explosion-proof flame-retardant communication optical cable comprises optical fibers, a nylon tight sleeve, an aramid fiber armor, a spiral armor sheath, a twisted stainless steel wire and a high flame-retardant sheath, wherein the optical fibers, the nylon tight sleeve, the aramid fiber armor, the spiral armor sheath, the twisted stainless steel wire reinforcement and the high flame-retardant sheath are sequentially arranged from inside to outside.
Preferably, the optical fiber is a transmission fiber.
Preferably, the nylon tight sleeve is formed by extruding the optical fiber and the modified nylon material together to form a tight-wrapping optical fiber with small outer diameter, flexibility, tensile strength and wear resistance, so as to form a transmission unit and form first protection for signal transmission.
Preferably, the aramid armor is made of a high-strength water-blocking aramid material, and the tightly-wrapped optical fiber is spirally wrapped to form protection on the transmission unit.
Preferably, the spiral armor is a stainless steel belt formed by flattening 306 stainless steel wires and extruding the stainless steel belt with high strength, and then a spiral reel pipe with a slight gap is manufactured by special winding equipment, so that the transmission unit is protected in a fully-closed manner, namely, a wrapping manner.
Preferably, the spiral armor is made of stainless steel wires with the diameter of 0.5mm, small steel belts with the width of 0.81mm and the thickness of 0.22mm are extruded to be rolled into a spiral armor protection hose with the diameter of 1.5mm and the gap of 0.2 mm.
Preferably, the twisted stainless steel wire is a cable core formed by secondary protection of the optical unit through aramid fiber and a stainless steel spiral pipe, the cable core does not have the guarantee of being used in a coal mine severe environment, and the twisted stainless steel wire is twisted and wrapped by a high-strength galvanized steel wire with the diameter of 0.45mm for reinforcement protection.
Preferably, the outer layer of the high-flame-retardant sheath is made of a specially-made low-smoke halogen-free sheath material, and the flame-retardant grade is V-0 grade.
A manufacturing method of a novel mining flexible explosion-proof flame-retardant communication optical cable comprises the following steps:
firstly, manufacturing a nylon tight sleeve, injecting an improved nylon particle material into a plastic extruding machine, penetrating an optical fiber, extruding the nylon material by adding different color masters into the plastic extruding machine to form the tight sleeve optical fibers with different chromatograms around the optical fiber, and adopting a special mold design to match the strength of a vacuum pump so as to ensure that the tightness of the tight sleeve can be stripped by 5 CM;
secondly, preparing aramid fiber armoring and spiral armoring wrapping protection, wherein aramid fiber yarn is wrapped and placed on special wrapping equipment, the wrapping armoring is arranged around the optical unit in the production process, a small steel belt which is extruded in advance is used and is arranged on pipe manufacturing equipment, and after the size of a coiled pipe is adjusted, the coiled pipe slowly penetrates into the spiral armoring pipe, is pulled by the pipe manufacturing equipment and is slowly manufactured into a cable core, so that double protection of the optical unit is formed;
and thirdly, preparing stranded stainless steel wires, uniformly and annularly winding the stranded stainless steel wires around the cable core by using a steel wire spiral armoring machine, adjusting the take-up speed by the armoring machine to be synchronous with the rotating speed of a stranding cage, modulating the pitch of 100mm, controlling the back-twist angle of the steel wires, and preparing a steel wire armored reinforcing layer.
And fourthly, preparing a high flame-retardant sheath, adjusting the tension of paying off 60N by using an extruding machine, injecting a specially-made blue high flame-retardant material into the extruding machine, extruding the outer protective layer, checking the concentricity of the sheath, and extruding to obtain the mining flexible explosion-proof flame-retardant communication optical cable.
Advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
the outer diameter is small, so that the construction is convenient;
the aramid fiber is reinforced, the flexible spiral armor tube and the steel wire are twisted to form double-layer protection, and the mechanical performance is excellent;
the special flame-retardant material has the advantages of brighter color, better flame-retardant property and safer use;
fourthly, the waterproof aramid fiber is adopted to wrap the optical units, so that the waterproof performance is excellent;
the invention has small outer diameter, convenient construction, excellent waterproof performance, high mechanical performance strength, high flame retardant level and good tensile, compressive and anti-explosion performance, can resist the damage caused by various malignant accidents in the complex environment of a mine, ensures the normal transmission of communication signals and effectively protects the safety of people and property.
Drawings
FIG. 1 is a schematic structural diagram of a novel mining flexible explosion-proof flame-retardant communication optical cable according to the invention;
in the figure: the cable comprises optical fibers 1, a nylon tight sleeve 2, aramid armor 3, a spiral armor sheath 4, stranded stainless steel wires 5 and a high flame retardant sheath 6.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Examples
Referring to the attached drawings of the specification, the invention provides a technical scheme that: the utility model provides a novel mining flexible explosion-proof fire-retardant communication optical cable, includes that optic fibre 1, nylon tight sleeve 2, aramid fiber armor 3, spiral armor are wrapped and are protected 4, the nonrust steel wire of transposition 5, high flame retardant sheath 6, optic fibre 1, nylon tight sleeve 2, aramid fiber armor 3, spiral armor are wrapped and are protected 4, the nonrust steel wire of transposition 5, high flame retardant sheath 6 set gradually from inside to outside.
In the present invention, the optical fiber 1 is a transmission fiber.
In the invention, the nylon tight sleeve 2 is formed by extruding the optical fiber and the modified nylon material together to form the tight-packed optical fiber with small outer diameter, flexibility, tensile strength and wear resistance, so as to form a transmission unit and form a first protection for signal transmission.
In the invention, the aramid armor 3 is made of high-strength water-blocking aramid material, and spirally wraps and armor the tightly-sleeved optical fiber to form protection for the transmission unit.
In the invention, the spiral armor 4 is a stainless steel belt formed by flattening 306 stainless steel wires and extruding with high strength, and then is made into a spiral reel pipe with a slight gap by special winding equipment, so that the transmission unit is protected in a totally-enclosed manner, namely, wrapping protection.
In the invention, the spiral armor 4 is made of stainless steel wires with the diameter of 0.5mm, small steel belts with the width of 0.81mm and the thickness of 0.22mm are extruded, and the spiral armor protection hose with the diameter of 1.5mm and the clearance of 0.2mm is rolled.
In the invention, the twisted stainless steel wire 5 is a cable core formed by secondary protection of optical units through aramid fibers and a stainless steel spiral pipe, the cable core does not have the guarantee of use in a severe environment of a coal mine, and the twisted and wrapped reinforced protection is carried out by adopting a high-strength galvanized steel wire with the diameter of 0.45mm again.
In the invention, the outer layer of the high flame-retardant sheath 6 is made of a special low-smoke halogen-free sheath material, and the flame-retardant grade is V-0 grade.
A manufacturing method of a novel mining flexible explosion-proof flame-retardant communication optical cable comprises the following steps:
firstly, manufacturing a nylon tight sleeve, injecting an improved nylon particle material into a plastic extruding machine, penetrating an optical fiber, extruding the nylon material by adding different color masters into the plastic extruding machine to form the tight sleeve optical fibers with different chromatograms around the optical fiber, and adopting a special mold design to match the strength of a vacuum pump so as to ensure that the tightness of the tight sleeve can be stripped by 5 CM;
secondly, preparing aramid fiber armoring and spiral armoring wrapping protection, wherein aramid fiber yarn is wrapped and placed on special wrapping equipment, the wrapping armoring is arranged around the optical unit in the production process, a small steel belt which is extruded in advance is used and is arranged on pipe manufacturing equipment, and after the size of a coiled pipe is adjusted, the coiled pipe slowly penetrates into the spiral armoring pipe, is pulled by the pipe manufacturing equipment and is slowly manufactured into a cable core, so that double protection of the optical unit is formed;
and thirdly, preparing stranded stainless steel wires, uniformly and annularly winding the stranded stainless steel wires around the cable core by using a steel wire spiral armoring machine, adjusting the take-up speed by the armoring machine to be synchronous with the rotating speed of a stranding cage, modulating the pitch of 100mm, controlling the back-twist angle of the steel wires, and preparing a steel wire armored reinforcing layer.
And fourthly, preparing a high flame-retardant sheath, adjusting the tension of paying off 60N by using an extruding machine, injecting a specially-made blue high flame-retardant material into the extruding machine, extruding the outer protective layer, checking the concentricity of the sheath, and extruding to obtain the mining flexible explosion-proof flame-retardant communication optical cable.
The invention has the advantages that:
the outer diameter is small, so that the construction is convenient;
aramid fiber reinforcement, flexible spiral armor tubes and steel wire stranding double-layer protection are adopted, and the mechanical performance is excellent;
the special flame-retardant material has the advantages of brighter color, better flame-retardant property and safer use;
fourthly, the waterproof aramid fiber is adopted to wrap the optical units, so that the waterproof performance is excellent;
the invention has small outer diameter, convenient construction, excellent waterproof performance, high mechanical performance strength, high flame retardant level and good tensile, compressive and anti-explosion performance, can resist the damage caused by various malignant accidents in the complex environment of a mine, ensures the normal transmission of communication signals and effectively protects the safety of people and property.
The related specific structure and communication principle are the existing mature technologies, and are not described herein in detail.
The above embodiments are provided to further explain the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above embodiments are only examples of the present invention and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating an orientation or positional relationship are based on the orientation or positional relationship shown in the drawings only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the present invention, unless otherwise expressly stated or limited, the first feature may be present on or under the second feature in direct contact with the first and second feature, or may be present in the first and second feature not in direct contact but in contact with another feature between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
Claims (9)
1. The utility model provides a novel mining flexible explosion-proof fire-retardant communication optical cable which characterized in that: the high-flame-retardant optical fiber cable comprises an optical fiber, a nylon tight sleeve, an aramid fiber armor, a spiral armor sheath, a twisted stainless steel wire and a high-flame-retardant sheath, wherein the optical fiber, the nylon tight sleeve, the aramid fiber armor, the spiral armor sheath, the twisted stainless steel wire and the high-flame-retardant sheath are sequentially arranged from inside to outside.
2. The novel mining flexible explosion-proof flame-retardant communication optical cable according to claim 1, characterized in that: the optical fiber is a transmission optical fiber.
3. The novel mining flexible explosion-proof flame-retardant communication optical cable according to claim 1, characterized in that: the nylon tight sleeve is formed by extruding the optical fiber and the modified nylon material together to form a tight-wrapping optical fiber with small outer diameter, flexibility, tensile strength and wear resistance, so that a transmission unit is formed, and signal transmission is protected for the first time.
4. The novel mining flexible explosion-proof flame-retardant communication optical cable according to claim 1, characterized in that: the aramid armor is made of high-strength water-blocking aramid materials, and tightly wrapped optical fibers are spirally wrapped and armored to form protection on the transmission unit.
5. The novel mining flexible explosion-proof flame-retardant communication optical cable according to claim 1, characterized in that: the spiral armor is a stainless steel belt formed by flattening 306 stainless steel wires and extruding the stainless steel belt at high strength, and then a spiral reel pipe with a slight gap is manufactured by special winding equipment, so that the transmission unit is protected in a totally-enclosed manner, namely, the wrapping protection.
6. The novel mining flexible explosion-proof flame-retardant communication optical cable according to claim 5, characterized in that: the spiral armor is made of stainless steel wires with the diameter of 0.5mm, small steel belts with the width of 0.81mm and the thickness of 0.22mm are extruded to be rolled into spiral armor protection hoses with the diameter of 1.5mm and the clearance of 0.2 mm.
7. The novel mining flexible explosion-proof flame-retardant communication optical cable according to claim 1, characterized in that: the twisted stainless steel wire is a cable core formed by secondary protection of a light unit through aramid fiber and a stainless steel spiral pipe, the cable core does not have the guarantee of being used in a coal mine severe environment, and the twisted stainless steel wire with the diameter of 0.45mm is used for twisting and wrapping reinforcement protection again.
8. The novel mining flexible explosion-proof flame-retardant communication optical cable according to claim 1, characterized in that: the outer layer of the high flame-retardant sheath is made of a special low-smoke halogen-free sheath material, and the flame-retardant grade is V-0 grade.
9. A manufacturing method of a novel mining flexible explosion-proof flame-retardant communication optical cable is characterized by comprising the following steps: the method comprises the following steps:
firstly, manufacturing a nylon tight sleeve, injecting an improved nylon particle material into a plastic extruding machine, penetrating an optical fiber, extruding the nylon material by adding different color masters into the plastic extruding machine to form the tight sleeve optical fibers with different chromatograms around the optical fiber, and adopting a special mold design to match the strength of a vacuum pump so as to ensure that the tightness of the tight sleeve can be stripped by 5 CM;
secondly, preparing aramid fiber armoring and spiral armoring wrapping protection, wherein aramid fiber yarn is wrapped and placed on special wrapping equipment, the wrapping armoring is arranged around the optical unit in the production process, a small steel belt which is extruded in advance is used and is arranged on pipe manufacturing equipment, and after the size of a coiled pipe is adjusted, the coiled pipe slowly penetrates into the spiral armoring pipe, is pulled by the pipe manufacturing equipment and is slowly manufactured into a cable core, so that double protection of the optical unit is formed;
and thirdly, preparing stranded stainless steel wires, uniformly and annularly winding the stranded stainless steel wires around the cable core by using a steel wire spiral armoring machine, adjusting the take-up speed by the armoring machine to be synchronous with the rotating speed of a stranding cage, modulating the pitch of 100mm, controlling the back-twist angle of the steel wires, and preparing a steel wire armored reinforcing layer.
And fourthly, preparing a high flame-retardant sheath, adjusting the tension of paying off 60N by using an extruding machine, injecting a specially-made blue high flame-retardant material into the extruding machine, extruding the outer protective layer, checking the concentricity of the sheath, and extruding to obtain the mining flexible explosion-proof flame-retardant communication optical cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210358786.9A CN114815100A (en) | 2022-04-06 | 2022-04-06 | Novel mining flexible explosion-proof flame-retardant communication optical cable and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210358786.9A CN114815100A (en) | 2022-04-06 | 2022-04-06 | Novel mining flexible explosion-proof flame-retardant communication optical cable and manufacturing method thereof |
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| Publication Number | Publication Date |
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| CN114815100A true CN114815100A (en) | 2022-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210358786.9A Pending CN114815100A (en) | 2022-04-06 | 2022-04-06 | Novel mining flexible explosion-proof flame-retardant communication optical cable and manufacturing method thereof |
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| CN (1) | CN114815100A (en) |
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- 2022-04-06 CN CN202210358786.9A patent/CN114815100A/en active Pending
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