CN219225169U

CN219225169U - 8-shaped self-supporting optical cable

Info

Publication number: CN219225169U
Application number: CN202320317279.0U
Authority: CN
Inventors: 万克群; 许志诚; 田海鹏; 陆志华
Original assignee: Jiangsu Vanhua Communication Technology Co ltd
Current assignee: Jiangsu Vanhua Communication Technology Co ltd
Priority date: 2023-02-27
Filing date: 2023-02-27
Publication date: 2023-06-20
Anticipated expiration: 2033-02-27

Abstract

The utility model discloses an 8-shaped self-supporting optical cable, which comprises a steel strand and an optical cable part, wherein the outer sides of the steel strand and the optical cable part are wrapped with an outer sheath, the optical cable part comprises an aramid yarn armor layer, one side of the aramid yarn armor layer is provided with a buffer layer, one side of the buffer layer, which is away from the aramid yarn armor layer, is provided with a water blocking layer, the water blocking layer is internally provided with a reinforcing core, the outer side of the reinforcing core is provided with a plurality of filling ropes, and signal wires, feed lines and cable cores are arranged among the plurality of filling ropes.

Description

8-shaped self-supporting optical cable

Technical Field

The utility model relates to the technical field of optical cables, in particular to an 8-shaped self-supporting optical cable.

Background

With the maturation and improvement of the optical fiber cable manufacturing technology, the construction cost in network construction is relatively increased. The optical cable is laid in pipeline, direct buried and overhead modes. Aerial laying refers to a laying mode in which an optical cable is erected on a road, is generally used on a secondary trunk line and a line below the secondary trunk line, and is suitable for a region with flat terrain and small fluctuation. The common optical cable also needs the cable with auxiliary support to support the optical cable when being erected in the air, and has high cost and inconvenient installation. The self-supporting optical cable has compact structure, high tensile strength, strong external environment resistance, and strong flexibility and bending resistance. In transportation and installation of the traditional 8-shaped optical cable, the PE sheath is kept intact by singly relying on the steel (aluminum) composite belt to protect the cable core, the problem of poor compression resistance exists, and the service life of the 8-shaped optical cable is easy to reduce.

Disclosure of Invention

The utility model aims to provide an 8-shaped self-supporting optical cable which has high structural strength and buffering effect so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an 8 style of calligraphy self-supporting optical cable, includes steel strand wires and optical cable part, the steel strand wires with the parcel of optical cable part outside has the oversheath, optical cable part includes aramid yarn armor, aramid yarn armor one side is equipped with the buffer layer, the buffer layer deviates from aramid yarn armor one side is equipped with the water blocking layer, be equipped with the enhancement core in the water blocking layer, the enhancement core outside is equipped with a plurality of filling ropes, a plurality of be equipped with signal line, feeder and cable core between the filling rope.

Preferably, an opening rope is arranged between the aramid yarn armor layer and the outer sheath.

Preferably, the outer sheath comprises a first sheath layer, the steel strands are arranged in the first sheath layer, a connecting part is arranged on one side of the first sheath layer, a second sheath layer is arranged at the other end of the connecting part, and the optical cable part is arranged in the second sheath layer.

Preferably, the cable core comprises a loose paste tube, a plurality of optical fibers are arranged in the loose paste tube, and fiber paste is filled in the loose paste tube.

Preferably, an ointment is arranged between the buffer layer and the waterproof layer.

Preferably, the buffer layer is a rubber buffer layer, and a plurality of through holes are formed in the buffer layer.

Preferably, the second sheath layer is connected with the aramid yarn armor layer through an adhesive layer.

Compared with the prior art, the utility model has the beneficial effects that:

1. the buffer layer is arranged, so that the buffer effect is achieved, the protection effect on the inner cable core can be achieved, and the service life of the 8-shaped optical cable is prolonged;

2. the utility model discloses aramid yarn armor multiplicable 8 style of calligraphy self-supporting optical cable structural strength, shock-resistant and ageing resistance, and have the anti-elastic energy, improved 8 style of calligraphy self-supporting optical cable's life.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

fig. 3 is a schematic cross-sectional view of the cable core of the present utility model.

In the figure: 1. steel strand; 2. an optical cable portion; 201. an aramid yarn armor layer; 202. a buffer layer; 2021. a through hole; 203. a water blocking layer; 204. a reinforcing core; 205. a filling rope; 206. a signal line; 207. a feeder line; 208. a cable core; 2081. a pine cream tube; 2082. an optical fiber; 2083. a fiber paste; 209. opening a mooring rope; 2010. an ointment; 2011. a bonding layer; 3. an outer sheath; 301. a first jacket layer; 302. a connection part; 303. and a second sheath layer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution:

the utility model provides an 8 style of calligraphy self-supporting optical cable, including steel strand wires 1 and optical cable part 2, steel strand wires 1 and optical cable part 2 outside parcel have oversheath 3, and optical cable part 2 includes aramid yarn armor 201, and aramid yarn armor 201 one side is equipped with buffer layer 202, and buffer layer 202 deviates from aramid yarn armor 201 one side and is equipped with water blocking layer 203, is equipped with in the water blocking layer 203 and strengthens the core 204, strengthens the core 204 outside and is equipped with a plurality of filling ropes 205, is equipped with signal line 206, feeder 207 and cable core 208 between a plurality of filling ropes 205.

Referring to fig. 2, since the opening cable 209 is provided between the aramid yarn armor 201 and the outer sheath 3, the opening cable 209 can make it faster for an operator to peel off the optical cable of the present disclosure.

Referring to fig. 2, since the outer sheath 3 includes the first sheath layer 301, the steel strand 1 is disposed in the first sheath layer 301, a connection part 302 is disposed at one side of the first sheath layer 301, a second sheath layer 303 is disposed at the other end of the connection part 302, and the optical cable part 2 is disposed in the second sheath layer 303, the steel strand 1 and the optical cable part 2 can be protected by the arrangement of the first sheath layer 301 and the second sheath layer 303, and the steel strand 1 and the optical cable part 2 can be connected by the arrangement of the connection part 302.

Referring to fig. 3, since the cable core 208 includes a loose tube 2081, a plurality of optical fibers 2082 are disposed inside the loose tube 2081, and the fiber paste 2083 is filled inside the loose tube 2081, the fiber paste 2083 can protect the optical fibers 2082, and the protection is further improved.

Referring to fig. 2, since the ointment 2010 is provided between the buffer layer 202 and the water-blocking layer 203, the ointment 2010 is an excellent heat application type filling compound, has the functions of water resistance, moisture resistance, insulation, buffering, adhesion and the like, has good reliability, is convenient to maintain, and can improve the quality and service life of the electric wires and cables.

Referring to fig. 2, since the buffer layer 202 is a rubber buffer layer, a plurality of through holes 2021 are formed in the buffer layer 202, so that the stranded polymer material can play a role in buffering external impact, the cable core 208 is prevented from being impacted by external force, deformation can occur during impact through the arrangement of the plurality of through holes 2021, the buffer effect is achieved, the cable core 208 can be protected, and the service life of the 8-shaped optical cable is prolonged.

Referring to fig. 2, since the second sheath 303 is connected to the aramid yarn armor 201 through the adhesive layer 2011, the second sheath 303 can be better adhered to the aramid yarn armor 201 through the adhesive layer 2011.

Structural principle: the outer sheath 3 is arranged to protect the steel stranded wires 1 and the outer part of the optical cable part 2, the aramid yarn armor layer 201 is arranged to increase the structural strength, impact resistance and ageing resistance of the 8-shaped self-supporting optical cable, the anti-elastic performance is realized, the service life of the 8-shaped self-supporting optical cable is prolonged, the buffer layer 202 is arranged to have a buffer effect, the inner cable core 208 can be protected, the service life of the 8-shaped optical cable is prolonged, the waterproof effect is realized through the arrangement of the waterproof layer 203, the reinforcing core 204 plays a role of reinforcing compression resistance and support, the strength of the anti-aging self-supporting optical cable can be improved, and a plurality of filling ropes 205 play a blocking role in order to prevent the cable core 208 from violently sliding relatively in the waterproof layer 203.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an 8 style of calligraphy self-supporting optical cable, includes steel strand wires (1) and optical cable part (2), its characterized in that: the novel cable comprises a steel strand (1) and an optical cable part (2), wherein an outer sheath (3) is wrapped outside the steel strand, the optical cable part (2) comprises an aramid yarn armor (201), a buffer layer (202) is arranged on one side of the aramid yarn armor (201), a water blocking layer (203) is arranged on one side of the buffer layer (202) deviating from the aramid yarn armor (201), a reinforcing core (204) is arranged in the water blocking layer (203), a plurality of filling ropes (205) are arranged outside the reinforcing core (204), and signal wires (206), feed lines (207) and cable cores (208) are arranged between the filling ropes (205).

2. An 8-shaped self-supporting fiber optic cable as claimed in claim 1, wherein: an opening cable (209) is arranged between the aramid yarn armor layer (201) and the outer sheath (3).

3. An 8-shaped self-supporting fiber optic cable as claimed in claim 1, wherein: the outer sheath (3) comprises a first sheath layer (301), the steel strand wires (1) are arranged in the first sheath layer (301), a connecting portion (302) is arranged on one side of the first sheath layer (301), a second sheath layer (303) is arranged at the other end of the connecting portion (302), and the optical cable portion (2) is arranged in the second sheath layer (303).

4. An 8-shaped self-supporting fiber optic cable as claimed in claim 1, wherein: the cable core (208) comprises a loose paste tube (2081), a plurality of optical fibers (2082) are arranged in the loose paste tube (2081), and fiber paste (2083) is filled in the loose paste tube (2081).

5. An 8-shaped self-supporting fiber optic cable as claimed in claim 1, wherein: an ointment (2010) is arranged between the buffer layer (202) and the waterproof layer (203).

6. An 8-shaped self-supporting fiber optic cable as claimed in claim 1, wherein: the buffer layer (202) is a rubber buffer layer, and a plurality of through holes (2021) are formed in the buffer layer (202).

7. A self-supporting fiber optic cable of the type 8 as claimed in claim 3, wherein: the second sheath layer (303) is connected with the aramid yarn armor layer (201) through an adhesive layer (2011).