CN108363152A - A kind of inserted rodent-resistant cable of nonmetallic yarn and preparation method thereof - Google Patents
A kind of inserted rodent-resistant cable of nonmetallic yarn and preparation method thereof Download PDFInfo
- Publication number
- CN108363152A CN108363152A CN201810078935.XA CN201810078935A CN108363152A CN 108363152 A CN108363152 A CN 108363152A CN 201810078935 A CN201810078935 A CN 201810078935A CN 108363152 A CN108363152 A CN 108363152A
- Authority
- CN
- China
- Prior art keywords
- glass fiber
- yarn
- fiber yarn
- cable
- sheath
- Prior art date
- 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.)
- Withdrawn
Links
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
- G02B6/4479—Manufacturing methods of optical cables
Landscapes
- 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 kind of nonmetallic inserted rodent-resistant cables of yarn and preparation method thereof, optical cable includes optical cable outer jacket and sheath, it is equipped with stainless steel band armor in sheath, glass fiber yarn is inlaid in outer jacket, is separated using water blocking layer between outer jacket and sheath；Be equipped in stainless steel band armor include center reinforcemen with PBT Loose tubes in such a way that SZ is twisted made of cable core；At least containing 2 or more colored optical fibers in PBT Loose tubes, there is casing filler around colored optical fiber.Method includes optical fiber coloring, the oil-filled Loose tube of PBT optical fiber, be made by twisting cable core, stainless steel band armouring polyethylene inner sheath, longitudinal wrap waterstop, waterproofing type glass fiber yarn make, glass fiber yarn inlays polyethylene outer sheath, i.e., the nonmetallic inserted rodent-resistant cable molding of yarn.The good bending property of the optical cable, optical cable is soft, and anti-muroid is destroyed, light-weight, not by environmental attack, ensure that optical cable stable structure in service life.
Description
Technical field
The invention belongs to fiber optic cable manufacture technical field, it is related to a kind of inserted rodent-resistant cable of nonmetallic yarn and its making side
Method.
Background technology
With the continuous development of optical communication technique, the laying of optical cable is using more and more extensive, and therefore, optical cable is usually various
It is used under complex environment, wherein all there are the rodents such as vole, suslik, squirrel in many regions, to communication line
Operation causes great harm.Therefore, the research and development of rodent-resistant cable become inevitable.The Ratproof method of conventional cable is more, is protecting
The chemical reagent such as pungent element are added in cover material, or using steel band, steel wire multilayer armouring etc., there is obvious defect.Because
Over time, the chemical protection against rodents migration of agents volatilization added in sheath, it is difficult to ensure the protection effect of optical cable and life
The period is ordered, in addition, multilayer armouring protects class optical cable after oversheath is destroyed, armor can be because of environmental attack slowly corrosion
Fall, causes cable core exposed, it is final to lose protection against rodents effect, and also optical cable itself is more than that there are many conventional cable in terms of weight, outer diameter,
Flexibility is poor, and inconvenience is brought to manufacture and construction.All in all, muroid is from outside to inside, such as to the destruction of optical cable
What effectively prevents destruction of the muroid to optical cable at outer jacket, and then protects the armor of optical cable and cable core complete, is only anti-
The key of mouse optic cable design.
Invention content
To solve drawbacks described above existing in the prior art, the purpose of the present invention is to provide a kind of nonmetallic yarn is inserted
Rodent-resistant cable and preparation method thereof, the optical cable are embedded in using glass fiber yarn in oversheath, and conventional rodent-resistant cable structure is compared,
The bending property of optical cable is enhanced, optical cable is soft, light-weight.It is no different compared to conventional cable in terms of construction, it is easy to operate.Glass fibers
Dimension yarn can pierce its oral cavity when muroid destroys oversheath, it is made to generate fear to optical cable, will not be because after glass fiber yarn is exposed
For environmental factor corrosion and ageing.Glass fiber yarn is placed as mosaic mode, when muroid destroys oversheath, the armor of optical cable
There is certain thickness sheath protection outside, will not be corroded by environment, ensure that optical cable stable structure in service life, solved
It has determined problems of the prior art.
The present invention is realized by following technical proposals.
A kind of nonmetallic inserted rodent-resistant cable of yarn provided by the invention, including outer jacket and sheath, the sheath
It is interior to be equipped with stainless steel band armor, it is inlaid with glass fiber yarn in the outer jacket, uses and blocks water between outer jacket and sheath
Layer separates；Be equipped in stainless steel band armor include center reinforcemen with PBT Loose tubes in such a way that SZ is twisted made of
Cable core；At least containing 2 or more colored optical fibers in the PBT Loose tubes, there is casing filler around colored optical fiber.
In above structure of the present invention, the technical solution that also further limits：
Further, the glass fiber yarn is embedded in outer jacket, along outer jacket circumferential direction equidistantly distributed, spacing 3mm
The thickness of~5mm, outer jacket are 1.8mm~2.2mm.
Further, the stainless steel band armor uses double plastic-coated, is bonded to one with inner sheath.
Further, the outer jacket is that glass fiber yarn inlays pe sheath.
It is further added with gasket for packing in stainless steel band armor.
Further, the water blocking layer is inhaled using the polyacrylate high speed expansion of two layers polyester fiber non-woven inter-coat
Water-resin is combined.
The present invention gives a kind of production method of the inserted rodent-resistant cable of nonmetallic yarn in turn, includes the following steps：
Step 1, optical fiber coloring：
By true qualities optical fiber by designated color ink on mold after stain, keep coating uniformly secured by the solidification of UV lamp ultraviolet light
Ground is coated on optical fiber, and colored optical fiber is made；
Step 2, the oil-filled Loose tube of PBT optical fiber：
By colored optical fiber and the casing filler of bubble removing is gone to insert in the PBT Loose tubes squeezed out, it is oil-filled to form PBT optical fiber
Loose tube；
Step 3, it is made by twisting cable core：
The oil-filled Loose tube of PBT optical fiber and gasket for packing are twisted according to design pitch with SZ stranded modes around center reinforcemen
It closes, twisted unit is no less than 2, pricks yarn bundled fixed using polyester, forms optical cable core；
Step 4, stainless steel band armouring polyethylene inner sheath：
By wrinkle stainless steel band by molding die longitudinal wrap cable core, stainless steel band armor is formed, using extruding machine machine
Head extrudes polyethylene inner sheath；
Step 5, longitudinal wrap waterstop：
Two layers polyester fiber non-woven inter-coat polyacrylate high speed swollen water absorbing resin is combined double
Face waterstop longitudinal wrap inner sheath, water blocking layer is formed between inner sheath and glass fiber yarn inlay oversheath；
Step 6, waterproofing type glass fiber yarn makes：
By glass fiber yarn beam and highly expanded material water-proof material jointly by bonding pond, then drying device completes waterproofing type
The making of glass fiber yarn；
Step 7, glass fiber yarn inlays polyethylene outer sheath：
The cable core that step 5 is made carries out unwrapping wire by sheath cable core pay off rack, meanwhile, step 6 is made several
Root waterproofing type glass fiber yarn carries out unwrapping wire on glass fiber yarn pay off rack with uniform tension；
Cable core and several glass fiber yarns respectively enter cable core hole and the glass for squeezing out mold core through glass fiber yarn distributor plate
Glass silvalin hole, several glass fiber yarns enter extruding machine machine from the glass fiber yarn conduit on glass fiber yarn distributor plate
In head, and the via squeezed out on mold core is accurately passed through, while the via of the extruded mold core of cable core is across common with glass fiber yarn
By squeezing out die sleeve, in half plsitive mold for squeezing out die sleeve, polyethylene stream is filled with glass fiber yarn in tapered channel
Divide fusion, completes filling and package；Meanwhile cable core is passed through from die sleeve center via is squeezed out, and inlays polyethylene with glass fiber yarn
After oversheath package, the nonmetallic inserted rodent-resistant cable molding of yarn.
Further, it in the step 4, extrudes polyethylene inner sheath thickness and is not less than 1.0mm, stainless steel band embossing depth is
0.5mm。
Further, in the step 7, cable core laying tension is 100N-120N；Several waterproofing type glass fiber yarn unwrapping wire
Tension is 2N-3N.
Further, half plsitive mold includes squeezing out die sleeve ontology, and be located at the center cone squeezed out on die sleeve ontology
Shape hole and along its circumferentially uniformly distributed several male-tapered hole, male-tapered hole is extended with glass fiber yarn polyethylene extrusion cavities；Male-tapered
In the die sleeve in hole the difference of 1 mold core outside cone angle α 2 of cone angle be not more than 10 °, the interior cone angle beta 1 of glass fiber yarn polyethylene extrusion cavities with
The difference of outside cone angle β 2 is not less than 20 °.
The beneficial effects of the invention are as follows：
1. it is half squash type that optical cable, which produces extrusion die, sheath is inlayed together with glass fiber yarn perfection, optical cable appearance
Rounding, beauty；By line device, glass fiber yarn is uniformly distributed, one circle of processing is equally distributed on squeezing out mold core
Via is uniformly distributed again before glass fiber yarn is bonded with sheath, and secondary pressurized extrudes the inserted oversheath of glass fiber yarn.
Glass fiber yarn is embedded in oversheath, and oversheath will not be totally disrupted, and effectively prevents muroid internal
The destruction of sheath and armor, glass fiber yarn are alternatively arranged as the reinforcing element of optical cable, improve the tensile property of optical cable.
2. glass fiber yarn soft texture, density is small, light-weight, the characteristics such as softness, compares multilayer armouring protection against rodents structure,
The flexibility of optical cable is improved and is promoted, and every kilometer of weight about mitigates 20%, reduces construction personnel's operation intensity, construction is just
It is prompt.
3. glass fiber yarn production is SiO with main raw material(s)2, it is resourceful, it is of low cost, and environmental protection.
4. glass fiber yarn inlays the practicability that oversheath improves optical cable, increase optical ca ble protection performance and tensile property, drop
Low fiber optic cable manufacture cost, the application scenarios that nonmetallic yarn inlays rodent-resistant cable are extensive.
5. nonmetallic yarn inlays the glass fiber yarn in rodent-resistant cable oversheath, in implementation process, glass fiber yarn
Quantity can realize the customization to optical ca ble protection performance according to concrete scene increase in demand or reduction.
6. duplex sheath design further ensures that armor will not be exposed, armor and cable core will not be invaded by environment
Erosion, it is ensured that the persistence of optical cable protection against rodents effect.
7. nonmetallic yarn inlays rodent-resistant cable, sheath material uses polyethylene, be conducive to glass fiber yarn bonding, merge
It is integrated, improves the barrier propterty of optical cable.
8. compared with traditional non-metallic fibers yarn sheathed structure, the nonmetallic inserted rodent-resistant cable of yarn can be opened from outer jacket
Beginning just plays good barrier propterty, it is ensured that cable outer sheath will not be destroyed completely, avoid internal layer sheath, stainless steel band
Armor and cable core are by the erosion of environment and destroying for muroid.
Description of the drawings
Fig. 1 is the nonmetallic inserted rodent-resistant cable structural schematic diagram of yarn of the present invention；
Fig. 2 is that optical cable glass fiber yarn inlays outer jacket production process schematic diagram；
Fig. 3 (a), (b) are respectively glass fiber yarn conducting wire needle tubing front view and side view；
Fig. 4 is optical wires extrusion die assembling schematic diagram.
In figure：1 is PBT Loose tubes, and 2 be casing filler, and 3 be colored optical fiber, and 4 be gasket for packing, reinforcer centered on 5,6
It is sheath for stainless steel band armor, 7,8 be water blocking layer, and 9 be glass fiber yarn, and 10 be outer jacket, and 11 be sheath cable core
Pay off rack, 12 be glass fiber yarn pay off rack, and 13 be glass fiber yarn distributor plate, and 14 is squeeze out mold core, and 15 be to squeeze out die sleeve, 16
For extruder head, 17 be glass fiber yarn conduit, and bellmouth centered on 18,19 be male-tapered hole, and 20 be glass fiber yarn
Polyethylene extrusion cavities, α 1 are cone angle in die sleeve, and α 2 is mold core outside cone angle, and β 1 is cone angle in extrusion cavities, and β 2 is extrusion cavities outside cone angle.
Specific implementation mode
The present invention is described in further detail with reference to the accompanying drawings and examples, but is not intended as appointing the present invention
The foundation of what limitation.
Fig. 1 is optical cable sectional view, and the nonmetallic inserted rodent-resistant cable of yarn of the present invention replaces tradition using new construction
Rodent-resistant cable structure, including outer jacket 10 and sheath 7 be equipped with stainless steel band armor 6 in sheath 7, and sheath 7 uses
6 armouring pe sheath structure of stainless steel band armor.Be inlaid with glass fiber yarn 9 along outer jacket 10 is axial, outer jacket 10 with
Separated using water blocking layer 8 between sheath 7, it includes that center reinforcemen 5 and optical fiber are oil-filled to be equipped in stainless steel band armor 6
Cable core is made in such a way that SZ is twisted in PBT Loose tubes 1, presumable gasket for packing 4；In the oil-filled PBT Loose tubes of optical fiber 1 at least
Containing 2 or more colored optical fibers 3, there is casing filler 2 around colored optical fiber 3.
Wherein, glass fiber yarn 9 is 3mm~5mm, the thickness of outer jacket 10 along the circumferential equidistantly distributed of outer jacket 10, spacing
Degree is 1.8mm~2.2mm, depending on the structure size of the specification of glass fiber yarn to produce optical cable.Stainless steel band armor 6 uses
Double plastic-coated is bonded to one with inner sheath.
Cable core can be that Loose tube and presumable gasket for packing surround center reinforcemen, be twisted in such a way that SZ is twisted and
At cable core structure can also be central tubular.Center reinforcemen can be common metal material, can also be non-metallic material
Material, mainly by application scenarios depending on, if used in into outgoing end, high mountain base station construction, optional nonmetallic materials avoid at ground connection
Reason, lightning protection are anti-electric.
Water blocking layer is compound using two layers polyester fiber non-woven inter-coat polyacrylate high speed swollen water absorbing resin
It forms.
The key step of production method of the inserted rodent-resistant cable of nonmetallic yarn of the present invention includes：
Step 1, optical fiber coloring：
By true qualities optical fiber by designated color ink on mold after stain, keep coating uniformly secured by the solidification of UV lamp ultraviolet light
Ground is coated on optical fiber, and colored optical fiber 3 is made.Dyed layer is uniform, and thickness is at (3-5) μm or so；3 color of colored optical fiber answers distinctness
It easily distinguishes, good with 2 compatibility of casing filler, optical fiber coloring can preferably protect optical fiber, enhance the mechanical performance of optical fiber.Just
It is distinguished when connecting, when line upkeep can trace (the color of 12 kinds of optical fiber：Blue, orange, green, brown, grey, white, red, black, yellow, purple, powder
It is red, light green etc.).
Step 2, the oil-filled Loose tube of PBT optical fiber：
Fine needle tubing, oil-filled needle tubing were used, by colored optical fiber 3 and the casing filler 2 of bubble removing is gone to insert the PBT squeezed out
In Loose tube 1, the oil-filled Loose tube of PBT optical fiber formed by 1,2,3 in Fig. 1 is formed.Colored optical fiber 3 is oil-filled, plastic sleeve, is carried for optical fiber
It is rational remaining long for stablizing, to make optical cable that there is good transmission performance and mechanical and physical performance.By technology controlling and process, adjust
Whole optical fiber laying tension, the temperature etc. of bosh make long stabilization more than casing inner fiber, 1 outer diameter of PBT Loose tubes satisfaction set
Meter requires, and casing filler 2 fills plumpness and is not less than 95%.
Step 3, the oil-filled Loose tube of PBT optical fiber and presumable gasket for packing are made by twisting cable core around center reinforcemen：It will
PBT Loose tubes 1, presumable gasket for packing 4 surround center reinforcemen 5, twisted with SZ stranded modes according to design pitch, are twisted
Unit is no less than 2, pricks yarn bundled fixed using the polyester of two 1670dtex line densities, forms optical cable core.It is twisted into
Cable core structure is stablized, and generates length more than optical cable secondary, improves temperature characterisitic, the tensile property of optical cable.It is close to improve optical fiber for upgrading unit
Degree reduces cost, reduces outer diameter.
Step 4, stainless steel band armouring polyethylene inner sheath：
By wrinkle stainless steel band by molding die longitudinal wrap cable core, stainless steel band armor 6 is formed, using extruding machine machine
First 16 extrude the polyethylene inner sheath 7 not less than 1.0mm thickness, stainless steel band embossing depth 0.5mm, wrinkle stainless steel band armor
6 under the premise of ensureing optical cable lateral pressure resistant performance, make the flexibility of optical cable further increase.Stainless steel band intensity is high, Bu Huiyin
It gets rusty for environmental attack, it is sustainable to provide protection for optical fiber.
Step 5, longitudinal wrap waterstop：
It is combined using two layers polyester fiber non-woven inter-coat polyacrylate high speed swollen water absorbing resin
Two-sided waterstop 8 (the two-sided waterstop series of HZD may be used) longitudinal wrap inner sheath 7, inlays outer in inner sheath 7 and glass fiber yarn
Water blocking layer is formed between sheath 10, the entire cross section of optical cable blocks water, and oversheath in construction when easily separated optical cable facilitates construction.
Step 6, waterproofing type glass fiber yarn makes：
In order to block water in optical cable cross section, using waterproofing type glass fiber yarn, on the basis of virgin glass fibre yarn, addition
Highly expanded material water-proof material, by glass fiber yarn beam and highly expanded material water-proof material jointly by bonding pond, then drying device is complete
At the making of waterproofing type glass fiber yarn.
Step 7, glass fiber yarn inlays polyethylene outer sheath：
By the cable core after step 5 by sheath cable core pay off rack 11 carry out unwrapping wire, laying tension 100N-120N it
Between, cable core, which is not shaken, to be advisable.Ensure cable core successively steadily pass through glass fiber yarn pay off rack 12, glass fiber yarn distributor plate 13,
Extruder head 16.The steady unwrapping wire of cable core is to ensure the equally distributed premise of glass fiber yarn.
In order to ensure that glass fiber yarn 9 is evenly distributed in polyethylene outer sheath 10, by step 6 makes, several block water
Type glass fiber yarn 9 carries out unwrapping wire on glass fiber yarn pay off rack 12 with certain tension, and glass fiber yarn 9 is uniformly distributed
On glass fiber yarn pay off rack 12, and tenslator is installed, ensures the steady of the laying tension of every glass fiber yarn
It is fixed.As shown in Figure 2.Further, since being provided with glass fiber yarn between glass fiber yarn pay off rack 12 and extruder head 16
Multiple components such as the glass fiber yarn via on distributor plate 13, glass fiber yarn conduit 17 and extrusion mold core 14, can lead in this way
Cause the resistance point on unwrapping wire channel more, therefore, the tension setting on glass fiber yarn pay off rack 12 should not be too large, and should control
2N-3N or so, and every glass fiber yarn laying tension should be consistent, and be evenly distributed on around cable core.
It is uniform to place the glass fiber yarn as shown in Fig. 3 (a), (b) before entering extruder head 16 for glass fiber yarn 9
Line device, glass fiber yarn distributor plate 13 mainly serve it is secondary divide equally, eliminate in glass fibre pay off rack 12 to extruding machine
Glass fiber yarn 9 between head 16 is because of the distribution deviation that gravity generates.13 inlet of glass fiber yarn distributor plate uses
Ceramic die processing, reduces channel resistance.Glass fiber yarn conduit 17 predominantly connects glass fiber yarn distributor plate 13 and squeezes out
Glass fiber yarn hole on mold core 14, it is ensured that glass fiber yarn 9 can pass through, accurate to pass through the mistake squeezed out on mold core 14
Hole.
Its process is that cable core and several glass fiber yarns respectively enter through glass fiber yarn distributor plate and squeeze out mold core 14
Cable core hole and glass fiber yarn hole, several glass fiber yarns are from the glass fiber yarn conduit on glass fiber yarn distributor plate 13
17 enter in extruder heads, and accurately pass through the via squeezed out on mold core, while the via of the extruded mold core of cable core 14 passes through
With glass fiber yarn jointly by squeezing out die sleeve 15, in half plsitive mold for squeezing out die sleeve 15, polyethylene stream and glass
Silvalin fully merges in tapered channel, completes filling and package；Meanwhile cable core is passed through from die sleeve center via is squeezed out, with
After glass fiber yarn inlays polyethylene outer sheath package, the nonmetallic inserted rodent-resistant cable molding of yarn.
The making of cable outer sheath realizes that extrusion die assembly using half as shown in figure 4, squeeze by special extrusion die
Pressure type mold, half plsitive mold include squeezing out 15 ontology of die sleeve, and be located at the tapered centre hole 18 squeezed out on 15 ontology of die sleeve
With along its circumferentially uniformly distributed several male-tapered hole 19, male-tapered hole 19 is extended with glass fiber yarn polyethylene extrusion cavities 20；Outer cone
Cone angle 1 is more than mold core outside cone angle α 2, the interior cone angle beta 1 and outside cone angle of glass fiber yarn polyethylene extrusion cavities 20 in the die sleeve in shape hole
β 2 is equal.Have compared to conventional extrusion die, the angle that cone angle 1 and mold core outside cone angle α 2 is formed in reduction die sleeve is poor, the difference of angle
No more than 10 °, exactly reduce the extrusion pressure of polyethylene stream, makes polyethylene stream with glass fiber yarn 9 in α 1 and α 2 formation
Channel in fully merge, in the process, be applied in the 9 horizontal forward movement of glass fiber yarn of tension, polyethylene material is at it
Surrounding completes filling and package.By increasing the angle that cone angle beta 1 and mold core extrusion cavities outside cone angle β 2 is formed in die sleeve extrusion cavities
Difference generates larger extrusion pressure, and the difference of angle is not less than 20 °, keeps glass fiber yarn 9 fully viscous with polyethylene outer sheath 10
Knot.Diameter section extrusion pressure maximum is held in extrusion die sleeve 15, polyethylene outer sheath 10 is integrally formed with the bonding of glass fiber yarn 9,
The nonmetallic inserted rodent-resistant cable molding of yarn.Carry out gradient cooling by three-stage cooling sink, the water temperature of three-stage cooling sink by
Step is successively decreased.
The invention is not limited in above-described embodiments, on the basis of technical solution disclosed by the invention, the skill of this field
For art personnel according to disclosed technology contents, one can be made to some of which technical characteristic by not needing performing creative labour
A little to replace and deform, these are replaced and deformation is within the scope of the invention.
Claims (10)
1. a kind of inserted rodent-resistant cable of nonmetallic yarn, which is characterized in that including outer jacket and sheath, set in the sheath
There is stainless steel band armor, glass fiber yarn is inlaid in the outer jacket, using water blocking layer point between outer jacket and sheath
Every；Be equipped in stainless steel band armor include center reinforcemen with PBT Loose tubes in such a way that SZ is twisted made of cable core；
At least containing 2 or more colored optical fibers in the PBT Loose tubes, there is casing filler around colored optical fiber.
2. a kind of nonmetallic inserted rodent-resistant cable of yarn according to claim 1, which is characterized in that the glass fiber yarn
Be embedded in outer jacket, along outer jacket circumferential direction equidistantly distributed, spacing is 3mm~5mm, the thickness of outer jacket be 1.8mm~
2.2mm。
3. a kind of nonmetallic inserted rodent-resistant cable of yarn according to claim 1, which is characterized in that the stainless steel band armour
It fills layer and uses double plastic-coated, be bonded to one with inner sheath.
4. a kind of nonmetallic inserted rodent-resistant cable of yarn according to claim 1, which is characterized in that in stainless steel band armouring
It is further added with gasket for packing in layer.
5. a kind of nonmetallic inserted rodent-resistant cable of yarn according to claim 1, which is characterized in that the outer jacket is glass
Glass silvalin inlays pe sheath.
6. a kind of nonmetallic inserted rodent-resistant cable of yarn according to claim 1, which is characterized in that the water blocking layer uses
Two layers polyester fiber non-woven inter-coat polyacrylate high speed swollen water absorbing resin is combined.
7. a kind of production method of the inserted rodent-resistant cable of nonmetallic yarn of claim 1-6 any one of them, which is characterized in that
Include the following steps：
Step 1, optical fiber coloring：
By true qualities optical fiber by designated color ink on mold after stain, coating is set uniformly to apply securely by the solidification of UV lamp ultraviolet light
It overlays on optical fiber, colored optical fiber is made；
Step 2, the oil-filled Loose tube of PBT optical fiber：
By colored optical fiber and the casing filler of bubble removing is gone to insert in the PBT Loose tubes squeezed out, forms the oil-filled pine set of PBT optical fiber
Pipe；
Step 3, it is made by twisting cable core：
The oil-filled Loose tube of PBT optical fiber and gasket for packing are twisted according to design pitch with SZ stranded modes around center reinforcemen, twisted
It closes unit and is no less than 2, prick yarn bundled fixed using polyester, form optical cable core；
Step 4, stainless steel band armouring polyethylene inner sheath：
By wrinkle stainless steel band by molding die longitudinal wrap cable core, stainless steel band armor is formed, is squeezed using extruder head
Polyethylene inner sheath processed；
Step 5, longitudinal wrap waterstop：
The two-sided resistance that two layers polyester fiber non-woven inter-coat polyacrylate high speed swollen water absorbing resin is combined
Water band longitudinal wrap inner sheath, water blocking layer is formed between inner sheath and glass fiber yarn inlay oversheath；
Step 6, waterproofing type glass fiber yarn makes：
By glass fiber yarn beam and highly expanded material water-proof material jointly by bonding pond, then drying device completes waterproofing type glass
The making of silvalin；
Step 7, glass fiber yarn inlays polyethylene outer sheath：
The cable core that step 5 is made carries out unwrapping wire by sheath cable core pay off rack, meanwhile, several resistances that step 6 is made
Water type glass fiber yarn carries out unwrapping wire on glass fiber yarn pay off rack with uniform tension；
Cable core and several glass fiber yarns respectively enter cable core hole and the glass fibers for squeezing out mold core through glass fiber yarn distributor plate
Yarn hole is tieed up, several glass fiber yarns enter extruder head from the glass fiber yarn conduit on glass fiber yarn distributor plate
In, and the via squeezed out on mold core is accurately passed through, while the via of the extruded mold core of cable core is passed through and is passed through jointly with glass fiber yarn
Extrusion die sleeve is crossed, in half plsitive mold for squeezing out die sleeve, polyethylene stream is abundant in tapered channel with glass fiber yarn
Filling and package are completed in fusion；Meanwhile cable core is passed through from die sleeve center via is squeezed out, and is inlayed outside polyethylene with glass fiber yarn
After sheath package, the nonmetallic inserted rodent-resistant cable molding of yarn.
8. the production method of the inserted rodent-resistant cable of nonmetallic yarn according to claim 7, which is characterized in that the step
In 4, extrudes polyethylene inner sheath thickness and be not less than 1.0mm, stainless steel band embossing depth is 0.5mm.
9. the production method of the inserted rodent-resistant cable of nonmetallic yarn according to claim 7, which is characterized in that the step
In 7, cable core laying tension is 100N-120N；Several waterproofing type glass fiber yarn laying tensions are 2N-3N.
10. the production method of the inserted rodent-resistant cable of nonmetallic yarn according to claim 7, which is characterized in that described half
Plsitive mold includes squeezing out die sleeve ontology, and if being located at the tapered centre hole and circumferentially uniformly distributed along it squeezed out on die sleeve ontology
Dry male-tapered hole, male-tapered hole is extended with glass fiber yarn polyethylene extrusion cavities；Cone angle 1 and mold core in the die sleeve in male-tapered hole
The difference of outside cone angle α 2 is not more than 10 °, and the interior cone angle beta 1 of glass fiber yarn polyethylene extrusion cavities and the difference of outside cone angle β 2 are not less than
20°。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810078935.XA CN108363152A (en) | 2018-01-26 | 2018-01-26 | A kind of inserted rodent-resistant cable of nonmetallic yarn and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810078935.XA CN108363152A (en) | 2018-01-26 | 2018-01-26 | A kind of inserted rodent-resistant cable of nonmetallic yarn and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108363152A true CN108363152A (en) | 2018-08-03 |
Family
ID=63007118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810078935.XA Withdrawn CN108363152A (en) | 2018-01-26 | 2018-01-26 | A kind of inserted rodent-resistant cable of nonmetallic yarn and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108363152A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110095846A (en) * | 2019-04-08 | 2019-08-06 | 安徽长荣光纤光缆科技有限公司 | A kind of water-resistant armored anti-torsion optical cable and preparation method thereof |
| CN110361821A (en) * | 2019-08-10 | 2019-10-22 | 江苏俊知技术有限公司 | A kind of new structural rodent-resistant cable and its manufacturing method |
| CN110794544A (en) * | 2019-11-29 | 2020-02-14 | 江苏永鼎股份有限公司 | Bundling process for polyolefin plastic-coated optical fibers |
| WO2021093652A1 (en) * | 2019-11-13 | 2021-05-20 | 江苏亨通光电股份有限公司 | Novel water-blocking type full-dry optical cable structure and preparation method therefor |
| CN114005616A (en) * | 2021-10-29 | 2022-02-01 | 浙江正泰电缆有限公司 | Sheath extrusion die, sheath, cable and cable processing method |
| CN115128749A (en) * | 2022-06-17 | 2022-09-30 | 上海电信工程有限公司 | Waterproof optical cable with self-repairing layer |
| CN116009172A (en) * | 2023-03-28 | 2023-04-25 | 江苏中天科技股份有限公司 | ADSS optical cable, manufacturing method and manufacturing device thereof |
| CN116500738A (en) * | 2023-06-27 | 2023-07-28 | 西安西古光通信有限公司 | Environment-friendly optical cable and preparation method thereof |
| CN117310914A (en) * | 2023-11-23 | 2023-12-29 | 广东长天光电科技有限公司 | Preparation process and equipment of corrosion-resistant optical cable |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1144966A (en) * | 1995-04-08 | 1997-03-12 | 李欣青 | Self-hold communication cable, manufacture method and its special purpose extrusion press head |
| CN200972525Y (en) * | 2006-11-09 | 2007-11-07 | 江苏通光信息有限公司 | Light armoured micro optical cable |
| CN201886813U (en) * | 2010-12-22 | 2011-06-29 | 江苏宏图高科技股份有限公司 | Ratproof cable with double-layer protective sleeve |
| CN202631799U (en) * | 2012-04-05 | 2012-12-26 | 山东太平洋光缆有限公司 | Novel ADSS communication optical cable |
| CN103744152A (en) * | 2014-01-02 | 2014-04-23 | 常熟市谷雷特机械产品设计有限公司 | Self-supporting optical cable and manufacturing method thereof |
| CN105929496A (en) * | 2016-05-27 | 2016-09-07 | 成都迪谱光电科技有限公司 | Optical cable with strong compressive capability |
| CN206690506U (en) * | 2017-04-19 | 2017-12-01 | 成都亨通光通信有限公司 | A kind of anti-rodent optical cable protective cover extrusion molding dies |
-
2018
- 2018-01-26 CN CN201810078935.XA patent/CN108363152A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1144966A (en) * | 1995-04-08 | 1997-03-12 | 李欣青 | Self-hold communication cable, manufacture method and its special purpose extrusion press head |
| CN200972525Y (en) * | 2006-11-09 | 2007-11-07 | 江苏通光信息有限公司 | Light armoured micro optical cable |
| CN201886813U (en) * | 2010-12-22 | 2011-06-29 | 江苏宏图高科技股份有限公司 | Ratproof cable with double-layer protective sleeve |
| CN202631799U (en) * | 2012-04-05 | 2012-12-26 | 山东太平洋光缆有限公司 | Novel ADSS communication optical cable |
| CN103744152A (en) * | 2014-01-02 | 2014-04-23 | 常熟市谷雷特机械产品设计有限公司 | Self-supporting optical cable and manufacturing method thereof |
| CN105929496A (en) * | 2016-05-27 | 2016-09-07 | 成都迪谱光电科技有限公司 | Optical cable with strong compressive capability |
| CN206690506U (en) * | 2017-04-19 | 2017-12-01 | 成都亨通光通信有限公司 | A kind of anti-rodent optical cable protective cover extrusion molding dies |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110095846A (en) * | 2019-04-08 | 2019-08-06 | 安徽长荣光纤光缆科技有限公司 | A kind of water-resistant armored anti-torsion optical cable and preparation method thereof |
| CN110361821A (en) * | 2019-08-10 | 2019-10-22 | 江苏俊知技术有限公司 | A kind of new structural rodent-resistant cable and its manufacturing method |
| WO2021093652A1 (en) * | 2019-11-13 | 2021-05-20 | 江苏亨通光电股份有限公司 | Novel water-blocking type full-dry optical cable structure and preparation method therefor |
| CN110794544A (en) * | 2019-11-29 | 2020-02-14 | 江苏永鼎股份有限公司 | Bundling process for polyolefin plastic-coated optical fibers |
| CN114005616A (en) * | 2021-10-29 | 2022-02-01 | 浙江正泰电缆有限公司 | Sheath extrusion die, sheath, cable and cable processing method |
| CN115128749A (en) * | 2022-06-17 | 2022-09-30 | 上海电信工程有限公司 | Waterproof optical cable with self-repairing layer |
| CN115128749B (en) * | 2022-06-17 | 2024-03-01 | 上海电信工程有限公司 | Waterproof optical cable with self-repairing layer |
| CN116009172A (en) * | 2023-03-28 | 2023-04-25 | 江苏中天科技股份有限公司 | ADSS optical cable, manufacturing method and manufacturing device thereof |
| CN116009172B (en) * | 2023-03-28 | 2023-06-09 | 江苏中天科技股份有限公司 | ADSS optical cable, manufacturing method and manufacturing device thereof |
| CN116500738A (en) * | 2023-06-27 | 2023-07-28 | 西安西古光通信有限公司 | Environment-friendly optical cable and preparation method thereof |
| CN116500738B (en) * | 2023-06-27 | 2023-09-01 | 西安西古光通信有限公司 | Environment-friendly optical cable and preparation method thereof |
| CN117310914A (en) * | 2023-11-23 | 2023-12-29 | 广东长天光电科技有限公司 | Preparation process and equipment of corrosion-resistant optical cable |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108363152A (en) | A kind of inserted rodent-resistant cable of nonmetallic yarn and preparation method thereof | |
| US6311000B1 (en) | Optical cable and an apparatus for manufacturing the optical cable | |
| US6563990B1 (en) | Self-supporting cables and an apparatus and methods for making the same | |
| CN105467539B (en) | A kind of non-metallic layer tangles structure optical cable | |
| CN110764207A (en) | Novel water-blocking full-dry optical cable structure and preparation method thereof | |
| CN105278066A (en) | Double layer co-extrusion method for extremely micro air-blowing optical cable, and the extremely micro air-blowing optical cable | |
| CN105632645A (en) | Photoelectric composite cable with compact structure | |
| CN107340577A (en) | A kind of self-supporting layer-twisted type anti-rat-bite optical cable and its manufacture method | |
| CN108037569A (en) | A kind of pressure-resistant optical cable of layer-twisted type and preparation method thereof | |
| CN104062728A (en) | Micro-beam-tube easily-branched optical cable | |
| CN105891981A (en) | FRP (fiber reinforce plastic) rod armored nonmetal rat-proof optical cable and manufacture process thereof | |
| CN103969773A (en) | Optical cable | |
| CN106981335A (en) | A kind of city piping lane optoelectrical cable and its manufacture method | |
| CN105729754B (en) | A kind of discontinuity vitta extrusion device and expressing technique | |
| CN108152902A (en) | Multicore bunchy self-support cable and its manufacturing method | |
| CN104730668A (en) | Layer stranded optical cable and manufacture method | |
| CN106932874A (en) | The preparation method of filling type optical cable | |
| CN104749730A (en) | Method for manufacturing layer-stranded optical cable | |
| CN105223669B (en) | Stranded optical fiber optical cable three-layer co-extruded Loose tube method and three-layer loose tubes | |
| CN104181660B (en) | Manufacturing method of special-shaped optical fiber loose tube | |
| CN204009157U (en) | A kind of layer stranded ADSS fiber optic cable | |
| CN114815111A (en) | Steel wire armored loose tube for optical cable | |
| CN104730664A (en) | Layer-stranding cable with filling ropes and manufacturing method of layer-stranding cable | |
| CN209746209U (en) | Novel easily-branched 8-shaped optical cable and forming die thereof | |
| CN206789348U (en) | A kind of city piping lane optoelectrical cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180803 |
|
| WW01 | Invention patent application withdrawn after publication |