CN203825263U - Self-supporting "8"-shaped optical cable - Google Patents
Self-supporting "8"-shaped optical cable Download PDFInfo
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- CN203825263U CN203825263U CN201420208050.4U CN201420208050U CN203825263U CN 203825263 U CN203825263 U CN 203825263U CN 201420208050 U CN201420208050 U CN 201420208050U CN 203825263 U CN203825263 U CN 203825263U
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- sheath
- gasket
- packing
- self
- optical cable
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- 230000003287 optical effect Effects 0.000 title claims abstract description 36
- 230000002093 peripheral effect Effects 0.000 claims abstract description 28
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 24
- 239000010959 steel Substances 0.000 claims abstract description 24
- 239000002131 composite material Substances 0.000 claims abstract description 12
- 239000013307 optical fiber Substances 0.000 claims abstract description 11
- 229920003023 plastic Polymers 0.000 claims abstract description 11
- 239000004033 plastic Substances 0.000 claims abstract description 11
- 238000012856 packing Methods 0.000 claims description 40
- 238000005728 strengthening Methods 0.000 claims description 13
- 239000002674 ointment Substances 0.000 claims description 6
- 230000035807 sensation Effects 0.000 claims description 6
- 238000013461 design Methods 0.000 abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 abstract 4
- 230000003014 reinforcing effect Effects 0.000 abstract 3
- 239000000463 material Substances 0.000 description 7
- 238000010276 construction Methods 0.000 description 6
- 238000011900 installation process Methods 0.000 description 5
- 230000008054 signal transmission Effects 0.000 description 5
- 229920000573 polyethylene Polymers 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000011295 pitch Substances 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 238000010292 electrical insulation Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000000739 chaotic effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
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Abstract
The utility model provides a self-supporting "8"-shaped optical cable, and belongs to the field of optical fiber technology. The self-supporting "8"-shaped optical cable includes a first sheath, a second sheath and a sling. The first sheath, the second sheath and the sling are connected as an organic whole and form an outer sheath with an "8"-shaped cross-section. A steel strand is disposed in the first sheath. A water blocking tape is disposed in the second sheath. A steel-plastic composite tape is disposed between the water blocking tape and the outer peripheral surface of the second sheath. The center of the water blocking tape is provided with a reinforcing core. First, second and third filling ropes uniformly distributed around the reinforcing core are disposed in a circular ring area between the reinforcing core and the water blocking tape. A signal line is disposed between the first filling rope and the second filling rope. A feed line is disposed between the second filling rope and the third filling rope. A beam tube is disposed between the first filling rope and the third filling rope. A plurality of optical fibers are disposed in the beam tube. The self-supporting "8"-shaped optical cable has the advantages of compact structure, reasonable design and easy wiring.
Description
Technical field
The utility model belongs to optical fiber technology field, relates to a kind of optical cable, particularly a kind of Self-supporting 8-shaped optical cable.
Background technology
Self-support cable is self-support aerial cable, because self-support cable and high-voltage power line are gone the same way and are danced together, for a long time in High Voltage electrical environment, so except bearing the long term of self gravitation, also must be able to tolerate the impact of forceful electric power, withstand the baptism of physical environment.If the design of self-support cable mechanical property is unreasonable, incompatible with local weather, will there is potential safety hazard in optical cable, and the life-span will give a discount.
When ordinary optical cable sets up, also need the cable of supplemental support to carry out support optical cable aloft, cost is high and installation is inconvenient.Adopt self-support cable compact conformation, tensile strength is high, and anti-external environment ability is strong in addition, and optical cable pliability and counter-bending ability are strong.
Along with community fiber entering household is more and more universal, the integrated demand of optical cable function is increasing.In ordinary optical cable cable core, only has optical fiber as transfer element, design unreasonable, can only transmitting optical signal, just need to distinguish power cable laying and optical cable for the occasion that needs optical, electrical signal simultaneously, cause the secondary of cable and optical cable to lay, cause laid down cost high, construction intensity is large and winding displacement is chaotic, breaks down and searches difficulty.
In sum, for solving the deficiency on existing cable configuration, need to design a kind of compact conformation, reasonable in design, simple Self-supporting 8-shaped optical cable connects up.
Summary of the invention
The purpose of this utility model is to have the problems referred to above for existing technology, has proposed a kind of compact conformation, reasonable in design, simple Self-supporting 8-shaped optical cable connects up.
The purpose of this utility model can realize by following technical proposal: a kind of Self-supporting 8-shaped optical cable, comprise the first sheath, the second sheath and be connected to suspender belt between the two, described the first sheath, the second sheath and suspender belt are connected as a single entity and three forms the oversheath that xsect is " 8 " font, the external diameter of described the first sheath is less than the external diameter of the second sheath, in described the first sheath, be provided with steel strand wires, in described the second sheath, be provided with waterstop, between waterstop and the second sheath outer peripheral face, be provided with composite steel-plastic belt, described waterstop center is provided with strengthening core, in circle ring area between strengthening core and waterstop, be provided with around equally distributed the first gasket for packing of strengthening core, the second gasket for packing and the 3rd gasket for packing, between described the first gasket for packing and the second gasket for packing, be provided with signal wire, between the second gasket for packing and the 3rd gasket for packing, be provided with feed line, between the first gasket for packing and the 3rd gasket for packing, be provided with beam tube, in described beam tube, be provided with equally distributed some optical fiber.
In above-mentioned a kind of Self-supporting 8-shaped optical cable, described steel strand wires are by core wire and six roots of sensation Zhou Gangsi is stranded forms, described core wire is arranged on the first sheath middle part and all steel wire encircling core wires of the six roots of sensation are uniformly distributed, outer peripheral face between adjacent two weeks steel wires fits tightly, and the outer peripheral face of described core wire fits tightly with the outer peripheral face of six weeks steel wires respectively.
In above-mentioned a kind of Self-supporting 8-shaped optical cable, described signal wire adopts pair twist structural arrangement.
In above-mentioned a kind of Self-supporting 8-shaped optical cable, described strengthening core is arranged with first set pipe outward, described the first gasket for packing, signal wire, the second gasket for packing, feed line, the 3rd gasket for packing and beam tube are all arranged with the second sleeve pipe outward, outer peripheral face between adjacent two second sleeve pipes fits tightly and the outer peripheral face of each the second sleeve pipe fits tightly with the first sleeve pipe outer peripheral face respectively, and the outer peripheral face of the inner peripheral surface of described waterstop and each the second sleeve pipe fits tightly.
In above-mentioned a kind of Self-supporting 8-shaped optical cable, in described waterstop, be also provided with and tear rope.
In above-mentioned a kind of Self-supporting 8-shaped optical cable, between described waterstop and composite steel-plastic belt, be filled with ointment.
In above-mentioned a kind of Self-supporting 8-shaped optical cable, described optical fiber can adopt single mode or multimode form.
Compared with prior art, the utility model is in staggered distribution, and each uses unit, has avoided the phase mutual interference between each use unit; Adopt composite steel-plastic belt structure, strengthen tensile strength, compressive strength, ensure that inner effectiveness layer is not damaged in transport and installation process; Feed line and signal wire are provided, transmission light, electric signal simultaneously, convenient construction and saving wiring cost.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model one preferred embodiment.
In figure, 10, the first sheath; 11, steel strand wires; 20, the second sheath; 21, composite steel-plastic belt; 22, waterstop; 23, strengthening core; 241, the first gasket for packing; 242, the second gasket for packing; 243, the 3rd gasket for packing; 25, signal wire; 26, feed line; 27, beam tube; 28, optical fiber; 29, tear rope; 30, suspender belt; 40, oversheath; 51, the first sleeve pipe; 52, the second sleeve pipe; 60, ointment.
Embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
As shown in Figure 1, this Self-supporting 8-shaped optical cable comprises the first sheath 10, the second sheath 20 and be connected to suspender belt 30 between the two, the first sheath 10, the second sheath 20 and suspender belt 30 are connected as a single entity and three forms the oversheath 40 that xsect is " 8 " font, the external diameter of the first sheath 10 is less than the external diameter of the second sheath 20, in the first sheath 10, be provided with steel strand wires 11, in the second sheath 20, be provided with waterstop 22, between waterstop 22 and the second sheath 20 outer peripheral faces, be provided with composite steel-plastic belt 21, waterstop 22 centers are provided with strengthening core 23, in circle ring area between strengthening core 23 and waterstop 22, be provided with around equally distributed the first gasket for packing 241 of strengthening core 23, the second gasket for packing 242 and the 3rd gasket for packing 243, between the first gasket for packing 241 and the second gasket for packing 242, be provided with signal wire 25, between the second gasket for packing 242 and the 3rd gasket for packing 243, be provided with feed line 26, between the first gasket for packing 241 and the 3rd gasket for packing 243, be provided with beam tube 27, in beam tube 27, be provided with equally distributed multifiber 28.
Adopt the distributed architecture of the first filling rope 241, signal wire 25, the second filling rope 242, feed line 26, the 3rd gasket for packing 243, beam tube 27, compact conformation, the unit that staggered, avoids the phase mutual interference between each use unit, thereby avoids optical, electrical transmitting procedure to exert an influence.
The setting of composite steel-plastic belt 21; enough flat pressures are ensured; keep the rounding property of oversheath 40; thereby avoid inner effectiveness layer to be damaged in transport and installation process; simultaneously can strengthen the mechanical protection such as tensile strength, compressive strength and increase the service life, can protect in addition optical cable not weather and the baiting of mouse.
Arranging of beam tube 27 can be protected the optical fiber 28 being wrapped in beam tube 27, ensures signal transmission steadily.
In this case, be also provided with feed line 26 and signal wire 25, for while transmission light, electric signal, not only convenient construction but also can save wiring cost.
Preferably, steel strand wires 11 are by core wire and six roots of sensation Zhou Gangsi is stranded forms, core wire is arranged on the first sheath 10 middle parts and all steel wire encircling core wires of the six roots of sensation are uniformly distributed, outer peripheral face between adjacent two weeks steel wires fits tightly, and the outer peripheral face of core wire fits tightly with the outer peripheral face of six weeks steel wires respectively.Steel strand wires 11 have the advantages that intensity is high, relaxation property is good, and more straight and upright while launching, adopt steel strand wires 11 as support component, utilize self intensity of steel wire to bear the pulling force between respective distance, and maximum can be born the pulling force of 8000N.
Further preferably, signal wire 25 adopts pair twist structural arrangement.Signal wire 25 in the utility model is twisted-pair feeder, and the plain conductor of a pair of mutual insulating twists together mutually by certain density, resists a part of external electromagnetic wave interference, the degree of low signal interference is fallen, design pitch accurately simultaneously, can avoid cross-talk, guaranteed signal transmission steadily.
Preferably, the outer first set pipe 51 that is arranged with of strengthening core 23, the first gasket for packing 241, signal wire 25, the second gasket for packing 242, feed line 26, the 3rd gasket for packing 243, outer second sleeve pipe 52 that is all arranged with of beam tube 27, outer peripheral face between adjacent two second sleeve pipes 52 fits tightly and the outer peripheral face of each the second sleeve pipe 52 fits tightly with the first sleeve pipe 51 outer peripheral faces respectively, and the outer peripheral face of the inner peripheral surface of waterstop 22 and each the second sleeve pipe 52 fits tightly.Such project organization compactness, waterstop 22 closely wraps up each use unit, makes each use unit, in transport and installation process, relative sliding can not occur, and especially prevents that signal wire 25 pitches from changing, and affects signal transmission.
Further preferably, in waterstop 22, be also provided with and tear rope 29.Tear rope 29 and claim again PP tie string or PP tearing film, its material is generally polypropylene wiredrawing grade resins, has that plasticity is good, tensile fracture is strong, good feature and the feel quality softness of tension impact performance, nonpoisonous and tasteless pollution-free, water absorptivity is little, in addition can acid-alkali-corrosive-resisting.Tear being provided with of rope 29 and help open steel band, easy-to-look-up, maintenance failure in the time of construction.
Preferably, between waterstop 22 and composite steel-plastic belt 21, be filled with ointment 60.Ointment 60 is the applied filled composites of a kind of good heating, has the advantages that electrical insulation capability is strong, loss is little, hardness is suitable, low-temperature flexibility is good, and thermal stability and water resisting property excellence, and compatibility is good.Ointment 60 has the effects such as waterproof, protection against the tide, insulation, buffering and bonding, and good reliability is easy to maintenance, quality and the serviceable life that can improve electric wire.
Further preferably, oversheath 40 can adopt extrusion moulding mode to make.Extrusion moulding serialization is produced, and production efficiency is high, cost is low and uniform in quality, result of use are good.Oversheath 40 material therefors may be selected to be polythene material, it has odorless, nontoxic, water absorptivity is little, corrosion resistant feature, in addition polythene material electrical insulation capability is good, resistance to low temperature good, chemical stability is good, energy ultra-violet radiation resisting, the serviceable life of increase optical cable.Oversheath 40 in the utility model adopts polythene material, can use at low temperatures, minimumly reaches subzero 40 degrees Celsius.In actual use, can as required, polythene material be replaced with to other materials.
Preferably, the optical fiber 28 in beam tube 27 can adopt single mode or multimode form.Optical fiber 28 has various ways to select, and is convenient to meet customer demand.
This Self-supporting 8-shaped cable configuration compactness, is in staggered distribution that each uses unit, reasonable in design and wiring is simple, has avoided the phase mutual interference between each use unit; Adopt composite steel-plastic belt structure, strengthen tensile strength, compressive strength, ensure that inner effectiveness layer is not damaged in transport and installation process; Be provided with feed line 26 and signal wire 25, transmission light, electric signal simultaneously, convenient construction and saving wiring cost.
In addition, adopt steel strand wires 11 as support component, utilize self intensity of steel wire to bear the pulling force between respective distance.Signal wire 25 is twisted-pair feeder, can resist a part of external electromagnetic wave interference, falls the degree of low signal interference, and while pitch design accurately, can avoid cross-talk, guarantees signal transmission steadily.Waterstop 22 closely wraps up each use unit, makes each use unit, in transport and installation process, relative sliding can not occur, and affects signal transmission.Tear being provided with of rope 29 and help open steel band, easy-to-look-up, maintenance failure in the time of construction.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendments or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (6)
1. a Self-supporting 8-shaped optical cable, comprise the first sheath, the second sheath and be connected to suspender belt between the two, it is characterized in that, described the first sheath, the second sheath and suspender belt are connected as a single entity and three forms the oversheath that xsect is " 8 " font, the external diameter of described the first sheath is less than the external diameter of the second sheath, in described the first sheath, be provided with steel strand wires, in described the second sheath, be provided with waterstop, between waterstop and the second sheath outer peripheral face, be provided with composite steel-plastic belt, described waterstop center is provided with strengthening core, in circle ring area between strengthening core and waterstop, be provided with around equally distributed the first gasket for packing of strengthening core, the second gasket for packing and the 3rd gasket for packing, between described the first gasket for packing and the second gasket for packing, be provided with signal wire, between the second gasket for packing and the 3rd gasket for packing, be provided with feed line, between the first gasket for packing and the 3rd gasket for packing, be provided with beam tube, in described beam tube, be provided with equally distributed some optical fiber.
2. a kind of Self-supporting 8-shaped optical cable according to claim 1, it is characterized in that, described steel strand wires are by core wire and six roots of sensation Zhou Gangsi is stranded forms, described core wire is arranged on the first sheath middle part and all steel wire encircling core wires of the six roots of sensation are uniformly distributed, outer peripheral face between adjacent two weeks steel wires fits tightly, and the outer peripheral face of described core wire fits tightly with the outer peripheral face of six weeks steel wires respectively.
3. a kind of Self-supporting 8-shaped optical cable according to claim 1 and 2, is characterized in that, described signal wire adopts pair twist structural arrangement.
4. a kind of Self-supporting 8-shaped optical cable according to claim 3, it is characterized in that, described strengthening core is arranged with first set pipe outward, described the first gasket for packing, signal wire, the second gasket for packing, feed line, the 3rd gasket for packing and beam tube are all arranged with the second sleeve pipe outward, outer peripheral face between adjacent two second sleeve pipes fits tightly and the outer peripheral face of each the second sleeve pipe fits tightly with the first sleeve pipe outer peripheral face respectively, and the outer peripheral face of the inner peripheral surface of described waterstop and each the second sleeve pipe fits tightly.
5. a kind of Self-supporting 8-shaped optical cable according to claim 4, is characterized in that, in described waterstop, is also provided with and tears rope.
6. a kind of Self-supporting 8-shaped optical cable according to claim 5, is characterized in that, between described waterstop and composite steel-plastic belt, is filled with ointment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420208050.4U CN203825263U (en) | 2014-04-25 | 2014-04-25 | Self-supporting "8"-shaped optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420208050.4U CN203825263U (en) | 2014-04-25 | 2014-04-25 | Self-supporting "8"-shaped optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203825263U true CN203825263U (en) | 2014-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420208050.4U Expired - Lifetime CN203825263U (en) | 2014-04-25 | 2014-04-25 | Self-supporting "8"-shaped optical cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203825263U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104898229A (en) * | 2015-05-29 | 2015-09-09 | 成都亨通光通信有限公司 | Communication cable suitable for strong electric field area |
-
2014
- 2014-04-25 CN CN201420208050.4U patent/CN203825263U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104898229A (en) * | 2015-05-29 | 2015-09-09 | 成都亨通光通信有限公司 | Communication cable suitable for strong electric field area |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 315191, No. 6, high voltage Road, Jiangshan Town, Ningbo, Zhejiang, Yinzhou District Patentee after: ZHEJIANG SHIP ELECTRONICS TECHNOLOGY Co.,Ltd. Address before: 315191, No. 31, North Road, Jiangshan Town, Yinzhou District, Zhejiang, Ningbo Patentee before: ZHEJIANG SHIP ELECTRONICS TECHNOLOGY Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140910 |
|
| CX01 | Expiry of patent term |