CN208297788U - A kind of stainless steel tube stranding optical cable - Google Patents
A kind of stainless steel tube stranding optical cable Download PDFInfo
- Publication number
- CN208297788U CN208297788U CN201820800752.XU CN201820800752U CN208297788U CN 208297788 U CN208297788 U CN 208297788U CN 201820800752 U CN201820800752 U CN 201820800752U CN 208297788 U CN208297788 U CN 208297788U
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- stainless steel
- steel tube
- cable core
- armor
- twisted
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Abstract
The utility model discloses a kind of stainless steel tube stranding optical cables, include oversheath, armor and cable core, and cable core includes optical fiber, stainless steel tube and fire-retardant inner sheath；The optical fiber is provided in stainless steel tube；Stainless steel tube is arranged in fire-retardant inner sheath after being mutually twisted；It is arranged in oversheath after cable core and armor are twisted.The utility model replaces common Loose tube twisted cable core using stainless steel tube, and advantage has: it is more to accommodate core number for same cross-sectional area；Good mechanical property, strain insulator and resistance to side pressure can cope with a variety of laying environment, such as buried, underwater, aerial, conduit or for making optical fiber cable for field operation；Mouse bite preventing；Fire resisting.
Description
Technical field
The utility model relates to communication transmission field more particularly to a kind of stainless steel tube stranding optical cables.
Background technique
With the arrival of information age, the conveying capacity of information is in increase explosively.Therefore fiber optic cable communications application also increases.
When laying toll communication optical cable, no matter using modes such as aerial, direct-burried or pipelines, the environment being in is all more complicated, may
Meet fire or rainwater.Optical cable all passes through the living area of the muroids such as squirrel, mole class substantially, therefore is subjected to muroid and gnaws
The harassment stung.The existing armouring element for protection against rodents uses glass fiber yarn as the tensile elements of optical cable, although having certain anti-
Mouse ability, but as self-supporting tensile elements, due to itself can't be an entirety, once oversheath is damaged, self-supporting tension
Ability can sharply decline, and cannot resist the puncture of muroid tooth.In fact, armor is over time, itself
It can there is a phenomenon where get rusty.
Currently, most of optical fiber are wrapped up by Loose tube, prior art Loose tube in fiber manufacturing process is by swollen
The higher material production of swollen rate, the optical cable produced are easy to bring engineering accident hidden danger because expanding with heat and contract with cold, be not suitable for it is high and cold,
High fever or the larger equal extreme weather conditions of difference variation use.The intensity of Loose tube itself is poor, and anti-pressure ability is low.Meanwhile
It is not enough to support the weight of optical cable itself, inside needs to add strengthening core, increases the bore of optical cable.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of stainless steel tube strand according to above-mentioned the deficiencies in the prior art
Light combination cable, is commonly encountered when for solving the problems, such as long distance communication.
The technical solution of the utility model is as follows:
A kind of stainless steel tube stranding optical cable, includes oversheath, armor and cable core, and the cable core includes optical fiber, no
Become rusty steel pipe and fire-retardant inner sheath；The optical fiber is provided in the stainless steel tube；The stainless steel tube is arranged after being mutually twisted
In the fire-retardant inner sheath；It is arranged in the oversheath after the cable core and the armor are twisted.
Further, material water-proof material is filled in the stainless steel tube.
Further, mutual stranded mode is that left and right is twisted between the stainless steel tube.
Further, the cable core and the armor stranded mode are outer twisted.
Further, the armor is metal or nonmetallic round bar.
Compared with prior art, the utility model has the following beneficial effects:
Common Loose tube twisted cable core is replaced using stainless steel tube, advantage has: (1) not needing center reinforcemen, identical section
It is more to accommodate core number for area；(2) good mechanical property, strain insulator and resistance to side pressure can cope with a variety of laying environment, such as buried, water
Under, aerial, conduit or for making optical fiber cable for field operation；(3) mouse bite preventing；(4) fire resisting.
Detailed description of the invention
Fig. 1 is the cross-sectional structure schematic diagram of the utility model embodiment.
Appended drawing reference
1- oversheath, 2- armor, 3- inner sheath, 4- stainless steel tube, 5- optical fiber, 6- cable core.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type is described in further detail.
As shown in Figure 1, embodiment provided by the utility model, a kind of stainless steel tube stranding optical cable, include oversheath 1,
Armor 2 and cable core 6, cable core 6 include optical fiber 5, stainless steel tube 4 and fire-retardant inner sheath 3.Light is provided in stainless steel tube 4
Fibre 5, stainless steel tube 4 are arranged in sheath after being mutually twisted, and material water-proof material is filled in stainless steel tube 4.
Armor 2 is metal or nonmetallic round bar, and cable core 6 and armor 2 are arranged in oversheath 1 after being twisted, anti-collapse
Power function admirable can effectively prevent the damage of rodent.
Mutual stranded mode is that left and right is twisted between stainless steel tube 4.
Cable core 6 and 2 stranded mode of armor are outer twisted.
Above disclosures are merely preferred embodiments of the utility model, the utility model cannot be limited with this certainly
Interest field, therefore equivalent variations made according to the claim of the utility model still fall within the scope of the utility model.
Claims (5)
1. a kind of stainless steel tube stranding optical cable includes oversheath, armor and cable core, it is characterised in that: the cable core includes
There are optical fiber, stainless steel tube and fire-retardant inner sheath；The optical fiber is provided in the stainless steel tube；The stainless steel tube mutually twists
It is arranged in the fire-retardant inner sheath after conjunction；It is arranged in the oversheath after the cable core and the armor are twisted.
2. a kind of stainless steel tube stranding optical cable according to claim 1, it is characterised in that: be filled in the stainless steel tube
Material water-proof material.
3. a kind of stainless steel tube stranding optical cable according to claim 1, it is characterised in that: between the stainless steel tube mutually
Stranded mode is that left and right is twisted.
4. a kind of stainless steel tube stranding optical cable according to claim 1, it is characterised in that: the cable core and the armor
Stranded mode is outer twisted.
5. a kind of stainless steel tube stranding optical cable according to claim 1, it is characterised in that: the armor is metal or non-
Metal round rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820800752.XU CN208297788U (en) | 2018-05-28 | 2018-05-28 | A kind of stainless steel tube stranding optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820800752.XU CN208297788U (en) | 2018-05-28 | 2018-05-28 | A kind of stainless steel tube stranding optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208297788U true CN208297788U (en) | 2018-12-28 |
Family
ID=64727253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820800752.XU Active CN208297788U (en) | 2018-05-28 | 2018-05-28 | A kind of stainless steel tube stranding optical cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208297788U (en) |
-
2018
- 2018-05-28 CN CN201820800752.XU patent/CN208297788U/en active Active
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