CN216351406U - All-dielectric self-supporting framework type optical cable - Google Patents

Abstract

The utility model relates to the technical field of optical cables, in particular to an all-dielectric self-supporting framework type optical cable which is small in occupied space, large in optical fiber capacity, convenient to lay, cost-saving, simple and convenient in construction mode, short in construction period, low in labor cost and good in mechanical performance; including the glass fiber area, the aramid yarn, the water blocking tape, the optical fiber area, the reinforcement, the skeleton, oversheath and bearing mechanism, the reinforcement is installed on the skeleton and is located central point and put, set up in a plurality of groups standing groove on the skeleton, a plurality of groups optical fiber area are installed respectively on the standing groove of a plurality of groups skeleton, the water blocking tape is evenly around the package on the skeleton, the aramid yarn is evenly around the package in the outer lane of water blocking tape, the glass fiber area is installed on the aramid yarn, the oversheath is installed on the glass fiber area, bearing mechanism installs on the hanging wire, bearing mechanism is used for supporting the hanging wire.

Description

All-dielectric self-supporting framework type optical cable

Technical Field

The utility model relates to the technical field of optical cables, in particular to an all-dielectric self-supporting framework type optical cable.

Background

Fiber optic cables are manufactured to meet optical, mechanical, or environmental performance specifications and utilize one or more optical fibers disposed in a covering jacket as the transmission medium and may be used individually or in groups as telecommunication cable assemblies. The optical cable is mainly composed of optical fibers (thin glass filaments like hair), a plastic protective sleeve and a plastic sheath, and metals such as gold, silver, copper and aluminum are not contained in the optical cable, so that the optical cable generally has no recycling value. The optical cable is a communication line which is formed by a certain number of optical fibers into a cable core in a certain mode, is externally coated with a sheath, and is also coated with an outer protective layer for realizing optical signal transmission.

With the continuous deepening of the construction of the Chinese network, the research and development of novel optical cables are promoted to meet the requirements of the environment requirement, the line safety, the convenience in maintenance and the like brought forward by the market.

The problem of manpower and material resources and raw and other materials are wasted in the existing optical cable laying process.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides the all-dielectric self-supporting framework type optical cable which has the advantages of small occupied space, large optical fiber capacity, convenience in laying, cost saving, simple and convenient construction mode, short construction period, low labor cost and good mechanical performance.

The utility model discloses an all-dielectric self-supporting framework type optical cable which comprises a glass fiber tape, aramid yarns, a water blocking tape, an optical fiber tape, a reinforcement, a framework, an outer sheath and a bearing mechanism, wherein the reinforcement is arranged on the framework and positioned at the central position, a plurality of groups of placing grooves are formed in the framework, a plurality of groups of optical fiber tapes are respectively arranged on the placing grooves of the plurality of groups of frameworks, the water blocking tape is uniformly wound on the framework, the aramid yarns are uniformly wound on the outer ring of the water blocking tape, the glass fiber tape is arranged on the aramid yarns, the outer sheath is arranged on the glass fiber tape, the bearing mechanism is arranged on a suspension wire, and the bearing mechanism is used for supporting the optical cable.

The bearing mechanism comprises a suspension wire and connecting bands, a plurality of groups of the connecting bands are arranged on the suspension wire, and the suspension wire is connected with the outer sheath through the connecting bands.

According to the all-dielectric self-supporting framework type optical cable, the optical fiber ribbons are stacked on the placing groove of the framework.

According to the all-dielectric self-supporting framework type optical cable, the outer sheath is made of PE.

The utility model relates to an all-dielectric self-supporting framework type optical cable, wherein a framework is made of a high-density polyethylene material.

According to the all-dielectric self-supporting framework type optical cable, the reinforcing piece is made of FRP.

The all-dielectric self-supporting framework type optical cable further comprises a tearing rope, and the tearing rope is installed on the outer sheath.

The utility model relates to an all-dielectric self-supporting framework type optical cable.

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

the framework type optical cable structure is adopted, and the nonmetal reinforcing piece is arranged in the framework, so that the optical cable is high in strength, good in tensile property, good in bending property and strong in lateral pressure resistance, the optical cable is large in aerial span, high in optical fiber packing density, small in relative diameter and light in weight; the separation window is easy to open and the optical fiber is extracted from the branch of the separation window, so that the construction and the connection are convenient; the full-dry structure is more convenient for construction, connection and maintenance; the all-dielectric structure can be used in a power transmission line, is lightning-resistant, is not interfered by electromagnetism, can be laid without power interruption, is convenient for branching and coiling of optical fibers, and has high laying success rate and less cable consumption.

Drawings

FIG. 1 is a schematic structural view of the present invention;

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

FIG. 3 is a partial enlarged structural view of A of the present invention;

FIG. 4 is a partial enlarged structural view of B of the present invention;

in the drawings, the reference numbers:

1. hanging wires; 2. a connecting belt; 3. a glass fiber tape; 4. aramid yarn; 5. a water blocking tape; 6. an optical fiber ribbon; 7. a reinforcement; 8. a framework; 9. an outer sheath; 10. and (6) tearing the rope.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

As shown in fig. 1 to 4, the all-dielectric self-supporting framework type optical cable of the present invention includes a glass fiber tape 3, an aramid yarn 4, a water blocking tape 5, an optical fiber tape 6, a reinforcement 7, a framework 8, an outer sheath 9 and a bearing mechanism, wherein the reinforcement 7 is installed on the framework 8 and located at a central position, the framework 8 is provided with a plurality of sets of placing grooves, the plurality of sets of optical fiber tapes 6 are respectively installed on the placing grooves of the plurality of sets of frameworks 8, the water blocking tape 5 is uniformly wrapped on the framework 8, the aramid yarn 4 is uniformly wrapped on an outer ring of the water blocking tape 5, the glass fiber tape 3 is installed on the aramid yarn 4, the outer sheath 9 is installed on the glass fiber tape 3, the bearing mechanism is installed on a suspension wire 1, and the bearing mechanism is used for supporting the optical cable; the use of an SZ backbone groove pattern allows for the use of mid-branch techniques to extract the optical fiber. The skeletal ribbon cable structure uses a skeleton and a central FRP reinforcement as a support unit. The framework is made of high-density polyethylene material, so that the side pressure resistance is good, the optical fiber is well protected, and the optical fiber can be prevented from being damaged when the optical cable is stripped. The manufacturing process is to stack the optical fiber ribbons in the SZ framework groove to manufacture cable cores, and to wrap the framework by the water-blocking tape. Wrapping aramid yarn on the outer layer of the water-blocking tape to increase the tensile property of the optical cable; the aramid yarn is sheathed with a glass fiber tape to protect the optical cable from damage of rats and the like. The outermost layer is a PE sheath. The framework type optical cable has lighter weight than a layer stranded optical cable when the core number structure is the same, the larger the core number is, the more obvious the performance is, the occupied space of the optical cable is small, the optical fiber capacity is large, the laying is convenient, the cost is saved, the construction mode is simple and convenient, the construction period is short, the labor cost is low, and the mechanical performance is good.

As a preference of the above embodiment, the load-bearing mechanism includes a suspension wire 1 and a connecting band 2, a plurality of groups of the connecting bands 2 are installed on the suspension wire 1, and the suspension wire 1 is connected with the outer sheath 9 through the plurality of groups of the connecting bands 2; through the arrangement, the optical cable is convenient to install, the bearing effect of the optical cable is increased, and the practicability is improved.

As a preference of the above embodiment, the optical fiber ribbon 6 is stacked on the placement groove of the skeleton 8; through the arrangement, the optical fiber can be taken out by using the midway branching technology, so that the convenience is improved, and the practicability is improved.

As a preference of the above embodiment, the material of the outer sheath 9 is PE; through the arrangement, the polyethylene is odorless, nontoxic, has wax-like hand feeling, has excellent low-temperature resistance, has the lowest use temperature of-100 to-70 ℃, has good chemical stability, can resist the corrosion of most of acid and alkali, and cannot resist acid with oxidation property. The optical cable is insoluble in common solvents at normal temperature, has small water absorption and excellent electrical insulation, increases the using effect of the optical cable in various environments, and improves the practicability.

As a preference of the above embodiment, the skeleton 8 is made of a high density polyethylene material; through the arrangement, the high-density polyethylene has good heat resistance and cold resistance, good chemical stability, higher rigidity and toughness and good mechanical strength. The dielectric property and the environmental stress cracking resistance are also better. The hardness, tensile strength and creep property are better than those of low-density polyethylene; the cable has the advantages of good wear resistance, electrical insulation, toughness and cold resistance, good chemical stability, insolubility in any organic solvent under the condition of room temperature, acid resistance, alkali resistance and corrosion of various salts, increased use effect of the cable in various environments and improved practicability.

As a preferable example of the above embodiment, FRP is used as the material of the reinforcement 7; through the arrangement, the fiber reinforced composite material is high in specific strength, large in specific modulus, good in corrosion resistance and durability, the FRP material can meet the requirements of modern structures for large span, high rise, heavy load, light weight, high strength and work development under severe conditions, meanwhile, the requirements of modern building construction industrial development can be met, the use effect of the optical cable in various environments is improved, and the practicability is improved.

As a preference of the above embodiment, the device further comprises a tearing rope 10, wherein the tearing rope 10 is arranged on the outer sheath 9; through the arrangement, the optical cable can be conveniently peeled, convenience is improved, and practicability is improved.

As a preference of the above embodiment, the skeleton 8 is in the form of an SZ skeleton groove; through the arrangement, the SZ framework groove type can allow the optical fiber to be taken out by using the midway branching technology, the using effect of the optical cable is improved, the convenience is improved, and the practicability is improved.

The utility model relates to an all-dielectric self-supporting framework type optical cable, which adopts an SZ framework groove type to allow an optical fiber to be taken out by using a midway branching technology during working. The skeletal ribbon cable structure uses a skeleton and a central FRP reinforcement as a support unit. The framework is made of high-density polyethylene material, so that the side pressure resistance is good, the optical fiber is well protected, and the optical fiber can be prevented from being damaged when the optical cable is stripped. The manufacturing process is to stack the optical fiber ribbons in the SZ framework groove to manufacture cable cores, and to wrap the framework by the water-blocking tape. Wrapping aramid yarn on the outer layer of the water-blocking tape to increase the tensile property of the optical cable; the aramid yarn is sheathed with a glass fiber tape to protect the optical cable from damage of rats and the like. The outermost layer is a PE sheath. The framework type optical cable has lighter weight than a layer stranded optical cable when the core number structure is the same, the larger the core number is, the more obvious the performance is, the occupied space of the optical cable is small, the optical fiber capacity is large, the laying is convenient, the cost is saved, the construction mode is simple and convenient, the construction period is short, the labor cost is low, and the mechanical performance is good.

According to the all-dielectric self-supporting framework type optical cable, the installation mode, the connection mode or the arrangement mode are common mechanical modes, and the all-dielectric self-supporting framework type optical cable can be implemented as long as the beneficial effects of the all-dielectric self-supporting framework type optical cable can be achieved; the optical fiber ribbon 6 of the all-dielectric self-supporting framework type optical cable is purchased from the market, and technicians in the industry only need to install and operate the optical fiber ribbon according to the attached operating instructions.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (8)

1. An all-dielectric self-supporting framework type optical cable is characterized by comprising a glass fiber tape (3), aramid yarn (4), a water blocking tape (5), an optical fiber tape (6), a reinforcing piece (7), a framework (8), an outer sheath (9) and a bearing mechanism, the reinforcing part (7) is arranged on the framework (8) and positioned at the central position, the framework (8) is arranged on a plurality of groups of placing grooves, a plurality of groups of optical fiber ribbons (6) are respectively arranged on the placing grooves of a plurality of groups of frameworks (8), the water-blocking tape (5) is uniformly wrapped on the framework (8), the aramid yarn (4) is uniformly wrapped on the outer ring of the water-blocking tape (5), the glass fiber belt (3) is arranged on the aramid yarn (4), the outer sheath (9) is arranged on the glass fiber belt (3), the bearing mechanism is arranged on the suspension wire (1) and used for supporting the optical cable.

2. The all-dielectric self-supporting framework type optical cable according to claim 1, wherein the supporting mechanism comprises a suspension wire (1) and connecting bands (2), a plurality of groups of the connecting bands (2) are arranged on the suspension wire (1), and the suspension wire (1) is connected with the outer sheath (9) through the plurality of groups of the connecting bands (2).

3. An all-dielectric self-supporting skeletal cable according to claim 1, characterized in that the optical fiber ribbons (6) are stacked on the placement grooves of the skeleton (8).

4. An all-dielectric self-supporting skeletal cable according to claim 1, characterized in that the outer sheath (9) is made of PE.

5. An all-dielectric self-supporting skeletal cable according to claim 1, characterized in that the skeleton (8) is made of high-density polyethylene.

6. An all-dielectric self-supporting skeletal cable according to claim 1, characterized in that the material of the reinforcing member (7) is FRP.

7. An all-dielectric self-supporting skeletal cable according to claim 1, characterized in that it further comprises a ripcord (10), said ripcord (10) being mounted on the outer sheath (9).

8. An all-dielectric self-supporting skeletal cable according to claim 1, characterized in that the skeleton (8) is of an SZ skeleton groove type.

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