CN216927193U - Reinforced framework type optical cable - Google Patents
Reinforced framework type optical cable Download PDFInfo
- Publication number
- CN216927193U CN216927193U CN202123075499.7U CN202123075499U CN216927193U CN 216927193 U CN216927193 U CN 216927193U CN 202123075499 U CN202123075499 U CN 202123075499U CN 216927193 U CN216927193 U CN 216927193U
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- CN
- China
- Prior art keywords
- framework
- filling
- cable
- skeleton
- reinforced
- 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.)
- Expired - Fee Related
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 22
- 239000013307 optical fiber Substances 0.000 claims abstract description 30
- 239000011241 protective layer Substances 0.000 claims abstract description 11
- 239000000835 fiber Substances 0.000 claims abstract description 5
- 230000000903 blocking effect Effects 0.000 claims description 7
- -1 polypropylene Polymers 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 5
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims description 4
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 2
- 239000006071 cream Substances 0.000 claims 1
- 238000005452 bending Methods 0.000 abstract description 7
- 230000003014 reinforcing effect Effects 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
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- Ropes Or Cables (AREA)
Abstract
The utility model provides a reinforced framework type optical cable which comprises a cable core and a protective layer wrapping the cable core, wherein the cable core comprises a framework and a central reinforcing piece arranged at the center of the framework, the framework is cylindrical, a plurality of framework grooves are uniformly formed in the outer circumferential surface of the framework, an optical fiber belt is arranged at the bottom of each framework groove, filling pieces are arranged at the outer positions of the optical fiber belts of the framework grooves, and fiber paste is filled in the positions of gaps in the framework grooves. In the design, the filling piece is arranged in the framework groove to assist in supporting the optical fiber ribbon in the framework groove and improve the tensile resistance and bending resistance of the optical fiber ribbon.
Description
Technical Field
The utility model belongs to the field of optical cable production, and particularly relates to a reinforced framework type optical cable.
Background
Among the current skeleton optical cable structure, generally directly place the optical fiber ribbon in the skeleton groove, then wrap up through the protective layer, among the optical cable work progress, can receive the construction environment influence, consequently have the crooked or the construction demand of breaking over of optical cable, because fatigue strength's influence, long-time bending can lead to the optical cable local rupture, and then influences optical cable normal use to influence its signal transmission.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention is directed to a reinforced skeleton-type optical cable, so as to improve the tensile, bending and friction resistance of the skeleton-type optical cable.
In order to achieve the purpose, the technical scheme of the utility model is realized as follows:
the reinforced framework type optical cable comprises a cable core and a protective layer wrapping the cable core, wherein the cable core comprises a framework and a central reinforcing piece arranged at the center of the framework, the framework is cylindrical, a plurality of framework grooves are uniformly formed in the outer circumferential surface of the framework, an optical fiber ribbon is arranged at the bottom of each framework groove, a filling piece is arranged at the position, outside the optical fiber ribbon, of each framework groove, and fiber paste is filled in the position of a gap in each framework groove.
Furthermore, the filling piece comprises a first filling rope and two second filling ropes, the two second filling ropes are arranged on the left side and the right side of the first filling rope along the width direction of the framework groove, the diameter of the first filling rope is larger than that of the second filling rope, the inner side of the first filling rope is tightly attached to the optical fiber ribbon, and the outer side of the first filling rope is tightly attached to the protective layer.
Furthermore, the first filling rope and the second filling rope are polypropylene reticular tearing filling ropes respectively.
Furthermore, the framework grooves are rectangular grooves, and the width of the framework grooves corresponds to the width of the optical fiber ribbon.
Furthermore, the framework groove is of a spiral groove structure.
Further, the protective layer comprises a water blocking tape, a binding tape, a steel-plastic composite tape and an outer sheath which are sequentially arranged from inside to outside, the water blocking tape is wound and wrapped on the cable core, the outer sheath is a polyethylene sheath, and a plurality of convex ribs are spirally arranged on the outer circumferential surface of the outer sheath.
Furthermore, a metal wire is arranged in the convex rib.
Compared with the prior art, the reinforced framework type optical cable has the following advantages:
(1) in the design, the filling piece is arranged in the framework groove to assist in supporting the optical fiber ribbon in the framework groove and improve the tensile resistance and bending resistance of the optical fiber ribbon.
(2) In the design, the framework groove adopts a spiral groove structure, so that the optical fiber ribbon is spirally wound, and the tensile resistance and the bending resistance of the optical fiber ribbon are improved.
(3) In the design, the outer sheath is spirally provided with the convex rib structure, and the metal wire is arranged in the convex rib, so that the strength of the optical cable is improved, and the tear resistance of the optical cable is improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic view of a reinforced skeletal cable according to an embodiment of the present invention;
description of reference numerals:
1-a central reinforcement; 2-water blocking tape; 3, binding the belt; 4-steel-plastic composite belts; 5-an outer sheath; 51-convex ribs; 6-optical fiber ribbon; 7-a framework; 71-a framework groove; 8-a filler; 81-a first filling rope; 82-second fill string.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1, a reinforced skeleton-type optical cable includes a cable core and a protective layer wrapping the cable core, where the cable core includes a skeleton 7 and a central reinforcement 1 disposed at the center of the skeleton 7, and in this embodiment, the central reinforcement 1 is a steel strand formed by twisting a single steel wire or multiple steel wires, so as to ensure tensile strength of the optical cable. The framework 7 is cylindrical, the framework 7 is preferably made of polyethylene, a plurality of framework grooves 71 are uniformly formed in the outer circumferential surface of the framework 7, and the optical fiber ribbons 6 are arranged at the bottom of the framework grooves 71, that is, the optical fiber ribbons 6 are installed in the framework grooves 71. In this embodiment, the skeleton groove 71 is spiral, so that the optical fiber ribbon 6 is spirally arranged, the tensile strength of the optical fiber ribbon 6 is increased, the cross section of the skeleton groove 71 is rectangular, that is, the skeleton groove 71 is a rectangular groove, the width of the rectangular groove corresponds to the width of the optical fiber ribbon 6, and it is ensured that the gap between the optical fiber ribbon 6 and the side wall of the skeleton groove 71 is within 2-3mm after the optical fiber ribbon 6 is installed. The skeleton groove 71 is provided with the filling member 8 at the position outside the optical fiber ribbon 6, and the gap position in the skeleton groove 71 is filled with the fiber paste, so that the mechanical buffering effect is achieved on the optical fiber ribbon 6, and the service life of the optical fiber ribbon 6 is better ensured.
In this embodiment, the filling member 8 includes a first filling rope 81 and two second filling ropes 82, and the first and second filling ropes are polypropylene mesh tearing filling ropes, respectively. Two second filling ropes 82 are arranged on the left side and the right side of a first filling rope 81 along the width direction of the framework groove 71, the first filling rope 81 is arranged at the right middle position of the upper part of the framework groove 71, the diameter of the first filling rope 81 is larger than that of the second filling ropes 82, the inner side of the first filling rope 81 is tightly attached to the optical fiber belt 6, and the outer side of the first filling rope 81 is tightly attached to the protective layer. The first filling rope 81 limits the position of the optical fiber ribbon 6 in the framework groove 71 on one hand, so that the installation stability of the optical fiber ribbon 6 is improved, and on the other hand, the first filling rope, the second filling rope and the optical fiber ribbon 6 assist in improving the tensile resistance, bending resistance and friction resistance of the optical cable.
In this embodiment, the protective layer includes a water blocking tape 2, a binding tape 3, a steel-plastic composite tape 4 and an outer sheath 5 which are sequentially arranged from inside to outside, the water blocking tape 2 is wound and wrapped on the cable core, the outer sheath 5 is a polyethylene sheath, a plurality of convex ribs 51 are uniformly and spirally arranged on the outer circumferential surface of the outer sheath 5, and metal wires are arranged in the convex ribs. The arrangement of the convex ribs 51 and the metal wires in the convex ribs improves the tensile resistance and bending resistance of the optical cable, and the service life of the optical cable is prolonged better.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.
Claims (7)
1. A reinforced framework-type optical cable is characterized in that: including the cable core and the protective layer of parcel this cable core, the cable core includes central reinforcement (1) that skeleton (7) and skeleton (7) center department set up, skeleton (7) are cylindricly, have evenly seted up a plurality of skeleton grooves (71) on this skeleton (7) outer periphery, skeleton groove (71) tank bottom position department is equipped with optic fibre area (6), skeleton groove (71) are provided with filler (8) in optic fibre area (6) outside position department, and this skeleton groove (71) interior space position department is filled there is fine cream.
2. The reinforced skeletal cable of claim 1, wherein: the filling piece (8) comprises a first filling rope (81) and two second filling ropes (82), the two second filling ropes (82) are arranged on the left side and the right side of the first filling rope (81) along the width direction of the framework groove (71), the diameter of the first filling rope (81) is larger than that of the second filling rope (82), the optical fiber ribbon (6) is tightly attached to the inner side of the first filling rope (81), and the protective layer is tightly attached to the outer side of the first filling rope (81).
3. A reinforced skeletal cable of claim 2, wherein: the first filling rope and the second filling rope are polypropylene reticular tearing filling ropes.
4. The reinforced skeletal cable of claim 1, wherein: the framework grooves (71) are rectangular grooves, and the width of the framework grooves corresponds to that of the optical fiber ribbons (6).
5. The reinforced skeletal cable of claim 1, wherein: the framework groove (71) is of a spiral groove structure.
6. The reinforced skeletal cable of claim 1, wherein: the protective layer comprises a water blocking tape (2), a binding tape (3), a steel-plastic composite tape (4) and an outer sheath (5), wherein the water blocking tape (2) is wound and wrapped on the cable core, the outer sheath (5) is a polyethylene sheath, and a plurality of convex ribs (51) are spirally arranged on the outer circumferential surface of the outer sheath (5).
7. The reinforced skeletal cable of claim 6, wherein: and metal wires are arranged in the convex ribs (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123075499.7U CN216927193U (en) | 2021-12-08 | 2021-12-08 | Reinforced framework type optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123075499.7U CN216927193U (en) | 2021-12-08 | 2021-12-08 | Reinforced framework type optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216927193U true CN216927193U (en) | 2022-07-08 |
Family
ID=82251878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123075499.7U Expired - Fee Related CN216927193U (en) | 2021-12-08 | 2021-12-08 | Reinforced framework type optical cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216927193U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116299927A (en) * | 2023-05-26 | 2023-06-23 | 长飞光纤光缆股份有限公司 | Skeleton type optical fiber ribbon optical cable |
-
2021
- 2021-12-08 CN CN202123075499.7U patent/CN216927193U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116299927A (en) * | 2023-05-26 | 2023-06-23 | 长飞光纤光缆股份有限公司 | Skeleton type optical fiber ribbon optical cable |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220708 |
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| CF01 | Termination of patent right due to non-payment of annual fee |