CN105093456A - Anti-rodent and anti-pecking central tube type optical cable and manufacturing method thereof - Google Patents
Anti-rodent and anti-pecking central tube type optical cable and manufacturing method thereof Download PDFInfo
- Publication number
- CN105093456A CN105093456A CN201510594735.6A CN201510594735A CN105093456A CN 105093456 A CN105093456 A CN 105093456A CN 201510594735 A CN201510594735 A CN 201510594735A CN 105093456 A CN105093456 A CN 105093456A
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- China
- Prior art keywords
- layer
- oversheath
- optical cable
- tube type
- central tube
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- 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
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/4434—Central member to take up tensile loads
-
- 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
- G02B6/4488—Protective covering using metallic tubes
Abstract
The invention relates to an anti-rodent and anti-pecking central tube type optical cable comprising a central tube type cable core and an external sheath. The anti-rodent and anti-pecking central tube type optical cable is characterized in that the central tube type cable core is externally wrapped by a metal armor layer which is externally wrapped by an internal sheath. The internal sheath is externally provided with a non-metal rat-proof layer which is externally wrapped by the external sheath. The external sheath comprises an external sheath internal layer and an external sheath external layer. The external sheath internal layer is a chemical rat-proof layer. The external sheath external layer is a hard high-density polyethylene layer. Physical rodent resistance and chemical rodent resistance are combined to form the multiple rat-proof protection layers so that the optical cable is enabled to possess extremely high anti-rodent performance, and birds can be effectively prevented from staying on the cable and pecking in a scaring way. The anti-rodent and anti-pecking central tube type optical cable is simple and reasonable in structural arrangement, high in protection performance, high in mechanical strength, low in manufacturing cost, flexible in optical cable, low in weight and easy to use and lay.
Description
Technical field
The present invention relates to and a kind ofly peck central tube type optical cable and manufacture method thereof for mouse bite preventing, the anti-bite anti-of anti-unfirmly closing.Use is laid in the area that this optical cable is applicable to mouse trouble especially severe.
Background technology
Be exactly prevent the optical cable after laying in use various muroid and stinging of some birds birds peck invasion and attack for the anti-bite anti-optical cable pecked.Fiber cable laying suffers from heavier area mouse, often can now be bitten and destroyed situation by mouse.For some aerial optical cables, the infringement of birds to optical cable like similar woodpecker also happens occasionally.The mode that optical cable protection against rodents bites in the prior art is divided into physics protection against rodents and chemical protection against rodents two class.Physics protection against rodents is mostly in oversheath, arrange coated double-deck steel band or steel wire, not only material and cost of manufacture expensive, optical cables heavy, and cable is more stiff, lays and safeguards inconvenience.Chemistry protection against rodents refers to that in the oversheath of optical cable, to add expelling mouse agent pungent element by a certain percentage reaches the object that protection against rodents bites.Experiment shows that mouse is more responsive to pungent element, it is effective expelling mouse agent of relatively generally acknowledging in the industry, but because pungent element directly adds in cable jacket, in batch mixing and extrusion, a large amount of penetrating odor can be produced, pollute surrounding air, have a strong impact on producers and normally work, give to make to produce and bring very large inconvenience.
Summary of the invention
Technical matters to be solved by this invention is that the deficiency existed for above-mentioned prior art provides a kind of and anti-bitely anti-ly pecks central tube type optical cable and manufacture method thereof, this cable configuration arranges rationally simple, flexible, cost of manufacture is low, can not only the anti-unfirmly closing of mouse bite preventing, and be convenient to make, do not pollute working environment.
The present invention for the optical cable technology scheme solving the problem adopted is: include central tubular cable core and oversheath, it is characterized in that being coated with metal armor layers at central tubular cable core, metal armor layers outer cladding inner sheath, nonmetal protection against rodents layer is set outside inner sheath, nonmetal protection against rodents layer outer cladding oversheath, described oversheath comprises oversheath internal layer and oversheath is outer, and described oversheath internal layer is chemical protection against rodents layer, and described oversheath skin is hard high-density polyethylene layer.
By such scheme, described inner sheath comprises internal layer and outer jacket, and described internal layer is chemical protection against rodents layer, and described outer jacket is tygon clad.
By such scheme, described hard high-density polyethylene layer is partly or entirely red.
By such scheme, the skin hardness of described hard high-density polyethylene layer is more than or equal to Shore hardness 60 degree.
By such scheme, the outer field monolateral thickness of described oversheath is 0.1 ~ 0.5mm.
By such scheme, when described hard high-density polyethylene layer is part redness, RED sector longitudinally distributes, in straight banded or spiral shape.
By such scheme, described chemical protection against rodents layer is the polythene material layer containing expelling mouse agent, and described expelling mouse agent is pungent element or modification pungent element, and addition is 0.5 ~ 5% by weight.
By such scheme, described nonmetal protection against rodents layer is glass fibre cotton yarn tape or glass fiber yarn clad, and described metal armor layers is vertical Baogang band.
By such scheme, described central tubular cable core comprises center sleeve, the fine cream that is set with optical fiber in center sleeve and filling blocks water.
The manufacture method technical scheme of optical cable of the present invention is:
First make central tubular cable core;
Clad metal armor: by central tubular cable core at the uniform velocity through metal armouring shaping mould, form metal armor layers;
Extrude inner sheath: by the cable core of clad metal armor at the uniform velocity through inner sheath mould, outside described metal armor layers, inner sheath is extruded with sheath extruding machine, it is characterized in that described inner sheath mould is the Double-head mould being provided with spreader, the cable core of clad metal armor is through Double-head mould, extrude inner sheath internal layer containing expelling mouse agent and outer jacket outward, take-up at cable core armor simultaneously;
Extrude oversheath: the cable of coated inner sheath is with some tension unwrapping wire, at the uniform velocity through oversheath mould after coated glass fibre cotton yarn tape, outside described inner sheath, oversheath is extruded with oversheath extruding machine, described oversheath mould is the Double-head mould being provided with spreader, the cable of coated inner sheath, through Double-head mould, extrudes oversheath internal layer containing expelling mouse agent outward with outer at inner sheath glass fibre cotton yarn tape simultaneously.
By such scheme, described Double-head comprises the extruder that extrudes containing expelling mouse agent sheath inner layer material and extrudes the extruder of coated cladding material and finally shaping co-extruding machine head; Described sheath internal layer and outer field material are extruded jointly from same die orifice, inside and outside layer tight bond, outwards to be volatilized diffusion by the outer field coated internal layer expelling mouse agent that cuts off of sheath.
By such scheme, described expelling mouse agent is mixed into heating and melting in protective cover material in proportion in the material extrusion process of extruder, described batch mixing process is below the hopper of protective cover material extruder, expelling mouse agent implanter with screw conveyer is installed, by the mixed volume of the regulable control expelling mouse agent of the screw speed of implanter above feed opening.
The invention has the beneficial effects as follows: 1, adopt the inner/outer sheath of double clad and interior structure of establishing nonmetal protection against rodents layer, armor, physics protection against rodents is combined with chemical protection against rodents mode, form multilayer protection against rodents protective seam, make optical cable possess extremely strong protection against rodents to bite performance, and along with progressively infiltration and the diffusion of internal layer expelling mouse agent outer layers, in addition outer field hard slippery, can make optical cable prevent murine bite destroy performance further strengthened; 2, adopt the effect of hard slippery external sheath layer red color layer in addition, effectively can threaten the stop of birds birds on cable and sting and peck invasion and attack, birds are more difficult when pecking optical cable finds center of effort, even if find center of effort, the hardness of optical cable also can prevent from being pecked stinging; 3, in the internal layer containing expelling mouse agent is coated on by double clad inner/outer sheath, add and adopt man-hour coextrusion mold mode that ectonexine is formed simultaneously, cut off the volatilization of expelling mouse agent in process, avoid the environmental pollution in process; 4, vibrational power flow advantages of simple of the present invention, barrier propterty is strong, and physical strength is high, and cost of manufacture is low, and optical cable is soft, lightweight, is easy to use and lay.Glass fibre cotton yarn tape is positioned between interior oversheath, can as tensile elements, again can as mouse bite preventing material, cost-saving.
Accompanying drawing explanation
Fig. 1 is the radial structure sectional view of the present invention's optical cable embodiment.
Embodiment
Embodiments of the invention are further illustrated below in conjunction with accompanying drawing.
An example structure of optical cable of the present invention as shown in Figure 1, includes central tubular cable core, and described central tubular cable core comprises center sleeve 7, is set with optical fiber 9 filling and blocks water fine cream 8 in center sleeve.Clad metal armor 6 after cable core is wound around water blocking yarn outward, described armor is vertical Baogang band.Armor outer cladding inner sheath, described inner sheath comprises internal layer 5 and outer jacket 4, and described internal layer is chemical protection against rodents layer, and described outer jacket is tygon clad, and outer jacket thickness is 0.1 ~ 0.3mm.Nonmetal protection against rodents layer 3 is set outside inner sheath, described nonmetal protection against rodents layer is glass fibre cotton yarn tape clad, nonmetal protection against rodents layer outer cladding oversheath, described oversheath comprises oversheath internal layer 2 and oversheath skin 1, and the inside and outside layer of oversheath is combined closely, and described oversheath internal layer is chemical protection against rodents layer, for the polythene material layer containing expelling mouse agent, described expelling mouse agent is pungent element or modification pungent element, and addition is 3% by weight, the chemical protection against rodents layer of inner sheath and the identical of oversheath.Described oversheath skin is hard high-density polyethylene layer, and the skin hardness of described hard high-density polyethylene layer is Shore hardness 65 degree, and the outer field monolateral thickness of oversheath is 0.3mm, and hard high-density polyethylene layer is all red.
The method for making of optical cable of the present invention is as follows:
First make central tubular cable core; Clad metal armor again: by central tubular cable core at the uniform velocity through metal armouring shaping mould, form metal armor layers; Then inner sheath is extruded: by the cable core of clad metal armor at the uniform velocity through inner sheath mould, outside described metal armor layers, inner sheath is extruded with sheath extruding machine, described inner sheath mould is the Double-head mould being provided with spreader, the cable core of clad metal armor is through Double-head mould, extrude inner sheath internal layer containing expelling mouse agent and outer jacket outward, take-up at cable core armor simultaneously; Last coated glass fibre cotton yarn tape also extrudes oversheath: the cable of coated inner sheath is with some tension unwrapping wire, at the uniform velocity through oversheath mould after coated glass fibre cotton yarn tape, outside described inner sheath, oversheath is extruded with oversheath extruding machine, described oversheath mould is the Double-head mould being provided with spreader, the cable of coated inner sheath, through Double-head mould, extrudes oversheath internal layer containing expelling mouse agent outward with outer at inner sheath glass fibre cotton yarn tape simultaneously.Described Double-head comprises the extruder that extrudes containing expelling mouse agent oversheath inner layer material and extrudes the extruder of coated sheath cladding material and finally shaping co-extruding machine head; Described sheath internal layer and outer field material are extruded jointly from same die orifice, inside and outside layer tight bond, outwards to be volatilized diffusion by the outer field coated internal layer expelling mouse agent that cuts off of sheath.Described expelling mouse agent is mixed into heating and melting in protective cover material in proportion in the material extrusion process of extruder, described batch mixing process is below the hopper of protective cover material extruder, expelling mouse agent implanter with screw conveyer is laterally installed, by the mixed volume of the regulable control expelling mouse agent of the screw speed of implanter above feed opening.
Claims (10)
1. anti-bitely anti-peck central tube type optical cable for one kind, include central tubular cable core and oversheath, it is characterized in that being coated with metal armor layers at central tubular cable core, metal armor layers outer cladding inner sheath, arrange nonmetal protection against rodents layer outside inner sheath, nonmetal protection against rodents layer outer cladding oversheath, described oversheath comprises oversheath internal layer and oversheath is outer, described oversheath internal layer is chemical protection against rodents layer, and described oversheath skin is hard high-density polyethylene layer.
2. anti-bitely anti-peck central tube type optical cable by according to claim 1, it is characterized in that described inner sheath comprises internal layer and outer jacket, described internal layer is chemical protection against rodents layer, and described outer jacket is tygon clad.
3. peck central tube type optical cable by anti-bite anti-described in claim 1 or 2, it is characterized in that described hard high-density polyethylene layer partly or entirely for red.
4. peck central tube type optical cable by anti-bite anti-described in claim 1 or 2, it is characterized in that the skin hardness of described hard high-density polyethylene layer is more than or equal to Shore hardness 60 degree.
5. peck central tube type optical cable by anti-bite anti-described in claim 1 or 2, it is characterized in that the outer field monolateral thickness of described oversheath is 0.1 ~ 0.5mm.
6. anti-bitely anti-peck central tube type optical cable by according to claim 3, it is characterized in that described hard high-density polyethylene layer for part red time, RED sector longitudinally distributes, in straight banded or spiral shape.
7. peck central tube type optical cable by anti-bite anti-described in claim 1 or 2, it is characterized in that described chemical protection against rodents layer is the polythene material layer containing expelling mouse agent, described expelling mouse agent is that pungent element or modification pungent are plain, and addition is 0.5 ~ 5% by weight.
8. peck central tube type optical cable by anti-bite anti-described in claim 1 or 2, it is characterized in that described nonmetal protection against rodents layer is glass fibre cotton yarn tape or glass fiber yarn clad, described metal armor layers is vertical Baogang band; Described central tubular cable core comprises center sleeve, the fine cream that is set with optical fiber in center sleeve and filling blocks water.
9. an arbitrary anti-bite anti-manufacture method of pecking central tube type optical cable in claim 1-8,
First make central tubular cable core;
Clad metal armor: by central tubular cable core at the uniform velocity through metal armouring shaping mould, form metal armor layers;
Extrude inner sheath: by the cable core of clad metal armor at the uniform velocity through inner sheath mould, outside described metal armor layers, inner sheath is extruded with sheath extruding machine, it is characterized in that described inner sheath mould is the Double-head mould being provided with spreader, the cable core of clad metal armor is through Double-head mould, extrude inner sheath internal layer containing expelling mouse agent and outer jacket outward, take-up at cable core armor simultaneously;
Extrude oversheath: the cable of coated inner sheath is with some tension unwrapping wire, at the uniform velocity through oversheath mould after coated nonmetal protection against rodents layer, outside described inner sheath, oversheath is extruded with oversheath extruding machine, described oversheath mould is the Double-head mould being provided with spreader, the cable of coated inner sheath, through Double-head mould, extrudes oversheath internal layer containing expelling mouse agent outward with outer at the nonmetal protection against rodents layer of inner sheath simultaneously.
10., by anti-bite anti-manufacture method of pecking central tube type optical cable according to claim 9, it is characterized in that described Double-head comprises the extruder that extrudes containing expelling mouse agent sheath inner layer material and extrudes the extruder of coated cladding material and finally shaping co-extruding machine head; Described sheath internal layer and outer field material are extruded jointly from same die orifice, inside and outside layer tight bond, outwards to be volatilized diffusion by the outer field coated internal layer expelling mouse agent that cuts off of sheath; Described expelling mouse agent is mixed into heating and melting in protective cover material in proportion in the material extrusion process of extruder, described batch mixing process is below the hopper of protective cover material extruder, expelling mouse agent implanter with screw conveyer is laterally installed, by the mixed volume of the regulable control expelling mouse agent of the screw speed of implanter above feed opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510594735.6A CN105093456A (en) | 2015-09-18 | 2015-09-18 | Anti-rodent and anti-pecking central tube type optical cable and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510594735.6A CN105093456A (en) | 2015-09-18 | 2015-09-18 | Anti-rodent and anti-pecking central tube type optical cable and manufacturing method thereof |
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| CN105093456A true CN105093456A (en) | 2015-11-25 |
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| CN201510594735.6A Pending CN105093456A (en) | 2015-09-18 | 2015-09-18 | Anti-rodent and anti-pecking central tube type optical cable and manufacturing method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105676389A (en) * | 2016-04-14 | 2016-06-15 | 杭州富通通信技术股份有限公司 | Optical cable |
| CN105842800A (en) * | 2016-05-03 | 2016-08-10 | 长飞光纤光缆股份有限公司 | Rat-proof anti-termite fire-proof optical cable and manufacture method thereof |
| CN108037573A (en) * | 2018-01-31 | 2018-05-15 | 成都亨通光通信有限公司 | Anti- bird, anti-rodent, anti-slungshot optical cable, the production technology and production mould of optical cable |
| CN111844924A (en) * | 2020-06-10 | 2020-10-30 | 浙江邦德管业有限公司 | PVC (polyvinyl chloride) power protection composite pipe and preparation method thereof |
| CN113568119A (en) * | 2021-07-14 | 2021-10-29 | 烽火通信科技股份有限公司 | Dry-type all-dielectric fire-resistant optical cable and manufacturing method thereof |
| CN113970823A (en) * | 2021-11-19 | 2022-01-25 | 江苏长飞中利光纤光缆有限公司 | Non-metal rat-proof optical cable and manufacturing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105676389A (en) * | 2016-04-14 | 2016-06-15 | 杭州富通通信技术股份有限公司 | Optical cable |
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| CN108037573A (en) * | 2018-01-31 | 2018-05-15 | 成都亨通光通信有限公司 | Anti- bird, anti-rodent, anti-slungshot optical cable, the production technology and production mould of optical cable |
| CN111844924A (en) * | 2020-06-10 | 2020-10-30 | 浙江邦德管业有限公司 | PVC (polyvinyl chloride) power protection composite pipe and preparation method thereof |
| CN111844924B (en) * | 2020-06-10 | 2022-07-26 | 浙江邦德管业有限公司 | PVC (polyvinyl chloride) power protection composite pipe and preparation method thereof |
| CN113568119A (en) * | 2021-07-14 | 2021-10-29 | 烽火通信科技股份有限公司 | Dry-type all-dielectric fire-resistant optical cable and manufacturing method thereof |
| CN113970823A (en) * | 2021-11-19 | 2022-01-25 | 江苏长飞中利光纤光缆有限公司 | Non-metal rat-proof optical cable and manufacturing method thereof |
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Application publication date: 20151125 |
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