CN217846721U - Self-supporting mixed optical fiber ribbon branch optical cable - Google Patents
Self-supporting mixed optical fiber ribbon branch optical cable Download PDFInfo
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- CN217846721U CN217846721U CN202221209706.5U CN202221209706U CN217846721U CN 217846721 U CN217846721 U CN 217846721U CN 202221209706 U CN202221209706 U CN 202221209706U CN 217846721 U CN217846721 U CN 217846721U
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Abstract
The utility model belongs to the technical field of optical cables, in particular to a self-supporting mixed optical fiber ribbon branch optical cable, which comprises a main optical cable and a branch cable, wherein the main optical cable comprises an optical fiber ribbon and two feeder lines which are arranged in a loose sleeve, and the loose sleeve and the two feeder lines are arranged in an outer sheath after being stranded; the circumference of the outer sheath is provided with branch cables, the branch cables are respectively arranged at two sides of the main optical cable and are arranged in axial symmetry by taking the main optical cable as an axis, each branch cable comprises a cable arranged in the inner sheath and reinforcing parts arranged at two ends of the cable, the cables and the reinforcing parts are arranged in butterfly-shaped sleeves, and the butterfly-shaped sleeves and the outer sheath are integrally formed; the circumference of the outer sheath is connected with the steel strand through a connecting piece, the steel strand is arranged in the outer sheath, and the outer sheath, the connecting piece and the outer sheath are integrally formed. The utility model relates to a can make somebody a mere figurehead self-supporting, large capacity core number, self-supporting power supply, compact structure to multipurpose self-supporting optical cable that has interim branch operation ability.
Description
Technical Field
The utility model belongs to the technical field of the optical cable, especially, relate to a self-supporting mixed optical fiber ribbon branch optical cable.
Background
The existing stage photoelectric hybrid optical cable is simple in structure, can only be suitable for single pipeline operation or direct-buried operation, and cannot carry out self-supporting aerial operation, because of the photoelectric hybrid characteristics, the dead weight is high, if the aerial operation needs an auxiliary support or a hook pipeline, the investment of construction cost and labor cost is greatly increased, and the existing stage photoelectric hybrid optical cable is of a single circular structure and cannot be branched, and the photoelectric hybrid optical cable is generally used in the environment in which the environmental conditions are more responsible, so that a branch base station can be added according to the field environment at times, and the existing stage photoelectric hybrid optical cable cannot carry out branch operation, so that a multipurpose optical cable which can be self-supporting aerial and can be branched at will is needed on the market.
SUMMERY OF THE UTILITY MODEL
The utility model provides a self-supporting mixed optical fiber ribbon branch optical cable that has interim branch operation ability.
In order to achieve the above object, the utility model adopts the following technical scheme:
a self-supporting mixed optical fiber ribbon branch optical cable comprises a main optical cable and a branch cable, wherein the main optical cable comprises an optical fiber ribbon arranged in a loose sleeve and two feeder lines, and the loose sleeve and the two feeder lines are arranged in an outer sheath after being stranded;
the circumference of the outer sheath is provided with branch cables, the branch cables are respectively arranged at two sides of the main optical cable and are arranged in axial symmetry by taking the main optical cable as an axis, each branch cable comprises a cable arranged in the inner sheath and reinforcing parts arranged at two ends of the cable, the cables and the reinforcing parts are arranged in butterfly-shaped sleeves, and the butterfly-shaped sleeves and the outer sheath are integrally formed;
the circumference of the outer sheath is connected with the steel strand through a connecting piece, the steel strand is arranged in the outer sheath, and the outer sheath, the connecting piece and the outer sheath are integrally formed.
Furthermore, the main optical cable further comprises three PP filling ropes, and the PP filling ropes, the optical fiber ribbon and the feeder line are arranged in the outer sheath together.
Furthermore, the main optical cable also comprises a red tearing rope with the strength of 3000D, and the red tearing rope, the optical fiber ribbon, the feeder line and the PP filling rope are arranged in the outer sheath together.
Further, the fiber optic ribbons have a core count of 24, 36, 48, 72, or 96 cores.
Furthermore, the reinforcers are axially symmetrically arranged by taking the cable as an axis.
Further, the outer sheath is a polyethylene outer sheath.
Further, the outer layer of the feeder line is provided with an insulating layer.
Further, the steel strand consisted of 7 galvanized steel wires of 1.2 mm.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses a both sides at the main optical cable set up branch cable, branch cable sets up respectively in the both sides of main optical cable and uses main optical cable to be the axisymmetric setting as the axle, branch cable is including setting up the cable in interior sheath, and set up the reinforcement at the cable both ends, cable and reinforcement all set up in the butterfly-shaped cover pipe, branch cable can tear the branch operation at any time, can deal with many sites under the complicated construction environment completely, the interim demand of many bases, the quantity of optical cable is laid in reduction that can be very big, realize that a cable is multi-purpose, reduce construction cost.
The main optical cable comprises an optical fiber ribbon and two feeder lines which are arranged in the loose tube, the loose tube and the two feeder line layers are twisted and then arranged in the outer sheath, so that the optical cable is lightened in weight and easy to lay during construction, the long-term tensile force is 300N, and the short-term tensile force is 600N; the long-term flattening force is 300N, and the short-term flattening force is 1000N; the bend radius was static 10D, dynamic 20D. The optical fiber band structure is adopted, so that the number of communication cores of the optical cable is greatly increased, and a single tube can provide the communication capacity of 24-96 cores, so that the number of the cores of the optical cable is qualitatively increased compared with that of a common self-supporting optical cable.
The steel strand consists of 7 galvanized steel wires with the thickness of 1.2mm, auxiliary facilities such as a support and the like are not needed in the construction process, overhead operation is directly carried out, and the personnel investment and the cost are reduced.
The main optical cable also comprises a red tearing rope with the strength of 3000D, the red tearing rope is arranged in the outer sheath together with the optical fiber ribbon, the feeder line and the PP filling rope, so that light is also clearly visible even if the light is dim during construction, the optical cable is very easy to peel by pulling the tearing rope, and construction is facilitated.
Compared with other common optical cables, the utility model discloses can make somebody a mere figurehead self-supporting, large capacity core count, self-supporting power supply, compact structure to have the multipurpose self-supporting optical cable of interim branch operation ability.
Drawings
Fig. 1 is a schematic structural view of a self-supporting hybrid fiber ribbon drop cable.
Wherein: 1-steel strand; 2-optical fiber ribbon; 3-loosening the sleeve; 4-PP filling ropes; 5-a feed line; 6-an insulating layer; 7-a cable; 8-a reinforcement; 9-red tear string; 10-outer sheath.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, a self-supporting hybrid fiber ribbon branch optical cable includes a main optical cable and a branch cable, the main optical cable includes a fiber ribbon 2 disposed in a loose tube 3 and two feeder lines 5, and the loose tube 3 and the two feeder lines 5 are stranded and disposed in an outer sheath 10.
Be equipped with branch cable on the circumference of oversheath 10, branch cable sets up respectively in the both sides of main optical cable and uses main optical cable to be the axial symmetry setting as the axle, and branch cable is including setting up cable 7 in the inner sheath to and set up the reinforcement 8 at cable 7 both ends, and cable 7 and reinforcement 8 all set up in butterfly sleeve, and butterfly sleeve and oversheath 10 integrated into one piece.
The circumference of the outer sheath 10 is connected with the steel strand 1 through a connecting piece, the steel strand is arranged in the sheath, and the outer sheath 10, the connecting piece and the sheath are integrally formed.
As a further option of this embodiment, the main optical cable further includes three PP filler cords 4, and the PP filler cords 4 are disposed in the outer sheath 10 together with the optical fiber ribbon 2 and the feeder line 5.
As a further option of this embodiment, the main optical cable further includes a red tear rope 9 with a strength of 3000D, the red tear rope 9 is disposed in the outer sheath 10 together with the optical fiber ribbon 2, the feeder line 5 and the PP filling rope, so that the optical cable can be clearly seen even if light is dim during construction, and the optical cable is very easy to be stripped by pulling the tear rope, which facilitates construction.
As a further option for this embodiment, fiber optic ribbon 2 has a core count of 24, 36, 48, 72, or 96 cores.
As a further alternative of this embodiment, the strength members 8 are arranged axially symmetrically about the cable 7.
As a further option of this embodiment, the outer sheath 10 is a polyethylene outer sheath.
As a further alternative of the present embodiment, the outer layer of the power feed line 5 is provided with an insulating layer 6.
As a further choice of this embodiment, steel strand 1 comprises 7 galvanized steel wires of 1.2mm, need not to use auxiliary facilities such as support in the work progress, and direct overhead operation reduces personnel's input and cost.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical application, to thereby enable others skilled in the art to best understand the invention for and with the various embodiments. The present invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. The utility model provides a self-supporting hybrid fiber ribbon branch cable which characterized in that: the optical cable comprises a main optical cable and a branch cable, wherein the main optical cable comprises an optical fiber ribbon (2) and two feeder lines (5) which are arranged in a loose tube (3), and the loose tube (3) and the two feeder lines (5) are arranged in an outer sheath (10) after being twisted in layers;
branch cables are arranged on the circumference of the outer sheath (10), the branch cables are respectively arranged on two sides of the main optical cable and are arranged in axial symmetry by taking the main optical cable as an axis, each branch cable comprises a cable (7) arranged in the inner sheath and reinforcing parts (8) arranged at two ends of the cable (7), the cables (7) and the reinforcing parts (8) are both arranged in butterfly-shaped sleeves, and the butterfly-shaped sleeves and the outer sheath (10) are integrally formed;
the circumference of the outer sheath (10) is connected with the steel strand (1) through a connecting piece, the steel strand (1) is arranged in the outer sheath, and the outer sheath (10), the connecting piece and the outer sheath are integrally formed.
2. The self-supporting hybrid fiber ribbon drop cable of claim 1, wherein: the main optical cable further comprises three PP filling ropes (4), and the PP filling ropes (4) are arranged in the outer sheath (10) together with the optical fiber ribbon (2) and the feeder line (5).
3. The self-supporting hybrid fiber optic ribbon drop cable of claim 2, wherein: the main optical cable further comprises a red tearing rope (9) with the strength of 3000D, and the red tearing rope (9) is arranged in the outer sheath (10) together with the optical fiber ribbon (2), the feeder line (5) and the PP filling rope (4).
4. The self-supporting hybrid fiber ribbon drop cable of claim 3, wherein: the optical fiber ribbon (2) has 24, 36, 48, 72 or 96 cores.
5. The self-supporting hybrid fiber ribbon drop cable of claim 4, wherein: the reinforcing pieces (8) are arranged in axial symmetry by taking the cable (7) as an axis.
6. The self-supporting hybrid fiber optic ribbon drop cable of claim 5, wherein: the outer sheath (10) is a polyethylene outer sheath.
7. The self-supporting hybrid fiber ribbon drop cable of claim 6, wherein: and an insulating layer (6) is arranged on the outer layer of the feeder line (5).
8. The self-supporting hybrid fiber optic ribbon drop cable of claim 7, wherein: the steel strand (1) consists of 7 galvanized steel wires with the thickness of 1.2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221209706.5U CN217846721U (en) | 2022-05-19 | 2022-05-19 | Self-supporting mixed optical fiber ribbon branch optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221209706.5U CN217846721U (en) | 2022-05-19 | 2022-05-19 | Self-supporting mixed optical fiber ribbon branch optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217846721U true CN217846721U (en) | 2022-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221209706.5U Active CN217846721U (en) | 2022-05-19 | 2022-05-19 | Self-supporting mixed optical fiber ribbon branch optical cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217846721U (en) |
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2022
- 2022-05-19 CN CN202221209706.5U patent/CN217846721U/en active Active
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