CN210270306U - Anti-pulling optical fiber for communication engineering construction - Google Patents

Abstract

The utility model relates to the technical field of optical fiber, in particular to a pulling-resistant optical fiber for communication engineering construction, which comprises a central reinforced core, wherein the surface of the central reinforced core is provided with an anti-interference isolation plate, the other end of the anti-interference isolation plate is fixed on the inner ring surface of a stainless steel metal hose, and a compression-resistant wrapping frame is arranged between the stainless steel metal hose and the central reinforced core; the beneficial effects are that: the utility model provides a resistant optic fibre of dragging that communication engineering construction used adds in insulating protective layer and establishes round high carbon galvanized steel wire, round high carbon galvanized steel wire arranges along insulating protective layer's outer anchor ring and distributes, and the length of high carbon galvanized steel wire equals with insulating protective layer length, so be convenient for promote the whole tensile strength of cable, and the high carbon galvanized steel wire outside is added and is equipped with the abrasion pad, cavity between abrasion pad and the insulating protective layer promotes the elasticity when the cable is placed, the outstanding wearing and tearing that have reduced insulating protective layer that set up of high carbon galvanized steel wire and abrasion pad.

Description

Anti-pulling optical fiber for communication engineering construction

Technical Field

The utility model relates to an optical fiber correlation technique field specifically is a resistant optic fibre of dragging that communication engineering construction used.

Background

As is known, an optical fiber cable is generally a rope-like cable formed by twisting several or several groups of conductors, each group of conductors being insulated from each other and usually disposed around a center, the entire outer surface being covered with a highly insulating covering, the cable being installed in the air or under the ground or water for telecommunication or power transmission; the optical fiber cable has wide application, has great difference on performance requirements on different applicable occasions, and most of the insulating materials and materials of the cable have high insulation resistance and low dielectric loss of voltage resistance, and also have good physical and mechanical properties such as tensile and torsional resistance;

in the prior art, in order to improve the utilization rate of the optical fiber cable, a plurality of groups of optical fibers are usually arranged in one optical fiber cable, but because the optical fibers are wrapped together, the optical fiber cable is easily damaged by tension and torsion due to mutual extrusion and friction among the optical fibers in each group in the transportation process; therefore, the utility model provides a resistant optic fibre of dragging that communication engineering construction used is used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a resistant optic fibre of dragging that communication engineering construction used to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an optic fibre is dragged to resistant that communication engineering construction used, strengthens the core including the center, the surface of core is strengthened at the center is provided with the jam-proof division board, the other end of jam-proof division board is fixed on stainless steel metal collapsible tube's interior anchor ring, be provided with resistance to compression parcel frame between stainless steel metal collapsible tube and the center, the inside of resistance to compression parcel frame is provided with optic fibre microbeam pipe, the inside parcel of optic fibre microbeam pipe has optic fibre, and the packing of resistance to compression parcel frame has fire-retardant filling layer, and stainless steel metal collapsible tube's outside cover is equipped with insulating protective layer, the threading groove has been seted up on the outer anchor ring of insulating protective layer, the inside in threading groove is provided with high carbon zinc-plated steel wire, and is provided with the wear pad on the outer anchor ring of insulating protective layer, the wear pad.

Preferably, the jam-proof division board is trapezoidal platelike structure, and the jam-proof division board is provided with a plurality ofly, and a plurality of jam-proof division boards are between the stainless steel metal collapsible tube of circumference range and the central core of strengthening, and all the centre gripping has a resistance to compression parcel frame between two adjacent jam-proof division boards.

Preferably, resistance to compression parcel frame is trapezoidal frame structure, and resistance to compression parcel frame is connected and all is convex curved surface structure in the terminal surface of stainless steel metal collapsible tube and central reinforced core, and the inside parcel of optic fibre micro-beam tube has a plurality of optic fibres, and optic fibre micro-beam tube is provided with a plurality ofly, and a plurality of optic fibre micro-beam tubes are "protruding" font and arrange the distribution.

Preferably, the threading groove is of an arc-shaped column structure, the plurality of threading grooves are arranged at equal intervals along the outer circular arc surface of the insulating protective layer, and the high-carbon galvanized steel wires protrude out of the outer circular surface of the insulating protective layer after penetrating into the threading groove.

Preferably, the wear pad is circular arc platy structure, and the wear pad is provided with a plurality ofly, and the wear pad sets up with threading groove one-to-one.

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

1. the utility model provides a communication engineering construction is with resistant optic fibre of dragging sets up round high carbon galvanized steel wire in insulating protective layer, round high carbon galvanized steel wire arranges along insulating protective layer's outer anchor ring and distributes, and the length of high carbon galvanized steel wire equals insulating protective layer length, so be convenient for promote the whole tensile strength of cable, and the high carbon galvanized steel wire outside adds and is equipped with the abrasion pad, the cavity between abrasion pad and the insulating protective layer promotes the elasticity when cable is placed, the wearing and tearing of insulating protective layer have been reduced to high carbon galvanized steel wire and the outstanding setting of abrasion pad;

2. the utility model provides a resistant optic fibre of dragging that communication engineering construction used places multi-beam optic fibre in groups in resistance to compression parcel frame, and resistance to compression parcel frame not only promotes the compressive property of optic fibre, and the torsional property also obtains promoting to pack fire-retardant filling layer in resistance to compression parcel frame, promote the flame retardant properties of optic fibre.

Drawings

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

fig. 2 is an enlarged schematic view of a structure in fig. 1.

In the figure: the anti-interference cable comprises a central reinforced core 1, an anti-interference isolation plate 2, a pressure-resistant wrapping frame 3, an optical fiber micro-beam tube 4, an optical fiber 5, a flame-retardant filling layer 6, a stainless steel metal hose 7, an insulating protective layer 8, a threading groove 9, a high-carbon galvanized steel wire 10 and a wear-resistant pad 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1 to 2, the present invention provides a technical solution: an anti-pulling optical fiber for communication engineering construction comprises a central reinforcing core 1, wherein anti-interference partition boards 2 are bonded on the surface of the central reinforcing core 1, the other ends of the anti-interference partition boards 2 are bonded on the inner annular surface of a stainless steel metal hose 7, compression-resistant wrapping frames 3 are bonded between the stainless steel metal hose 7 and the central reinforcing core 1, the anti-interference partition boards 2 are in a trapezoidal plate-shaped structure, a plurality of anti-interference partition boards 2 are arranged, the anti-interference partition boards 2 are circumferentially arranged between the stainless steel metal hose 7 and the central reinforcing core 1, a compression-resistant wrapping frame 3 is clamped between every two adjacent anti-interference partition boards 2, an optical fiber micro-bundle tube 4 is arranged inside the compression-resistant wrapping frame 3, the optical fiber 5 wraps the inner portion of the optical fiber micro-bundle tube 4, the compression-resistant wrapping frame 3 is in a trapezoidal frame structure, the compression-resistant wrapping frame 3 is connected with the stainless steel metal hose 7 and the end surface of the central reinforcing core 1 and is in, the optical fiber micro-bundle tubes 4 are wrapped with a plurality of optical fibers 5, the optical fiber micro-bundle tubes 4 are arranged in a plurality of numbers, the optical fiber micro-bundle tubes 4 are distributed in a convex shape, the optical fiber micro-bundle tubes 4 are placed in the compression-resistant wrapping frames 3 in groups, two adjacent compression-resistant wrapping frames 3 are separated by the anti-interference partition plate 2, compared with the direct extrusion placement of the optical fiber micro-bundle tubes 4, the anti-torsion performance and the compression-resistant performance are improved under the protection of the compression-resistant wrapping frames 3, the compression-resistant wrapping frames 3 are internally filled with the flame-retardant filling layers 6, the optical fiber micro-bundle tubes 4 are separately wrapped by the flame-retardant filling layers 6 filled in the compression-resistant wrapping frames 3, and the flame-retardant performance of the optical fibers 5 in the optical fiber micro-bundle tubes 4 is improved;

an insulating protective layer 8 is sleeved on the outer side of a stainless steel metal hose 7, a plurality of threading grooves 9 are formed in the outer annular surface of the insulating protective layer 8, high-carbon galvanized steel wires 10 are bonded in the threading grooves 9, the threading grooves 9 are of a circular arc-shaped cylindrical structure, the threading grooves 9 are distributed in an equal-size arrangement mode along the outer annular arc surface of the insulating protective layer 8 at equal intervals, a circle of high-carbon galvanized steel wires 10 is additionally arranged on the outer annular surface of the insulating protective layer 8, the length of each high-carbon galvanized steel wire 10 is consistent with that of the insulating protective layer 8, the high-carbon galvanized steel wires 10 need to be pulled while the insulating protective layer 8 is pulled, and due to the fact that the high-carbon galvanized steel wires 10 are high in tensile property, the circle of high-carbon galvanized steel wires 10 wraps the outer side of the insulating protective layer 8 to improve the overall tensile property of the cable, and the high-carbon galvanized steel wires 10 protrude out of, and it has wear pad 11 to bond on the outer anchor ring of insulating protection layer 8, wear pad 11 is in the opening outside of threading groove 9, wear pad 11 is convex platelike structure, wear pad 11 is provided with a plurality ofly, wear pad 11 sets up with threading groove 9 one-to-one, and threading groove 9 and wear pad 11 all outstanding setting, reduce insulating protection layer 8's wearing and tearing, and the cavity between wear pad 11 and the insulating protection layer 8 has certain elasticity, therefore the cable only can drive wear pad 11 deformation can not influence the structure of the inside parcel of insulating protection layer 8 when receiving slight extrusion.

The working principle is as follows: in actual work, a plurality of optical fiber micro-beam tubes 4 are placed in compression-resistant wrapping frames 3 in groups, two adjacent compression-resistant wrapping frames 3 are separated by anti-interference partition plates 2, compared with the direct extrusion placement of a plurality of optical fiber micro-beam tubes 4, under the protection of the compression-resistant wrapping frames 3, the torsion resistance and the compression resistance are improved, a flame-retardant filling layer 6 filled in the compression-resistant wrapping frames 3 separately wraps the optical fiber micro-beam tubes 4, the flame-retardant performance of optical fibers 5 in the optical fiber micro-beam tubes 4 is improved, a circle of high-carbon galvanized steel wire 10 is additionally arranged on the outer annular surface of an insulating protective layer 8, the length of the high-carbon galvanized steel wire 10 is consistent with that of the insulating protective layer 8, the high-carbon galvanized steel wire 10 needs to be pulled when the insulating protective layer 8 is pulled, and the tensile property of the high-carbon galvanized steel wire 10 is high, so that the whole tensile property of a cable is improved when the high-carbon galvanized steel wire 10 is wrapped outside the, and threading groove 9 and abrasion pad 11 all stand out the setting, reduce insulating protective layer 8's wearing and tearing, and the cavity between abrasion pad 11 and the insulating protective layer 8 has certain elasticity, therefore the cable only can drive the structure that the deformation of abrasion pad 11 can not influence the inside parcel of insulating protective layer 8 when receiving slight extrusion.

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

Claims (5)

1. A stretch-proof optical fiber for communication engineering construction, comprising a central reinforcing core (1), characterized in that: the anti-interference and anti-interference device is characterized in that an anti-interference isolation plate (2) is arranged on the surface of the central reinforcing core (1), the other end of the anti-interference isolation plate (2) is fixed on the inner annular surface of a stainless steel metal hose (7), a compression-resistant wrapping frame (3) is arranged between the stainless steel metal hose (7) and the central reinforcing core (1), an optical fiber micro-bundle tube (4) is arranged inside the compression-resistant wrapping frame (3), an optical fiber (5) is wrapped inside the optical fiber micro-bundle tube (4), a flame-retardant filling layer (6) is filled inside the compression-resistant wrapping frame (3), an insulating protective layer (8) is sleeved outside the stainless steel metal hose (7), a threading groove (9) is formed in the outer annular surface of the insulating protective layer (8), a high-carbon galvanized steel wire (10) is arranged inside the threading groove (9), and a wear-resistant pad (11) is arranged on the outer annular, the wear-resistant pad (11) is positioned outside the opening of the threading groove (9).

2. The optical fiber according to claim 1, wherein the optical fiber is characterized in that: the anti-interference isolation plates (2) are of a trapezoidal plate-shaped structure, the anti-interference isolation plates (2) are arranged in a plurality of numbers, the anti-interference isolation plates (2) are arranged between the stainless steel metal hoses (7) and the central reinforcing core (1) in a circumferential mode, and one compression-resistant wrapping frame (3) is clamped between every two adjacent anti-interference isolation plates (2).

3. The optical fiber according to claim 1, wherein the optical fiber is characterized in that: the anti-compression package frame (3) is of a trapezoidal frame structure, the anti-compression package frame (3) is connected to the end faces of the stainless steel metal hose (7) and the central reinforcing core (1) and is of a circular arc-shaped curved surface structure, the internal package of the optical fiber micro-beam tube (4) is provided with a plurality of optical fibers (5), and the optical fiber micro-beam tubes (4) are arranged in a convex shape.

4. The optical fiber according to claim 1, wherein the optical fiber is characterized in that: the high-carbon galvanized steel wire is characterized in that the threading grooves (9) are of arc-shaped cylindrical structures, the threading grooves (9) are arranged in a plurality of equal-size mode along the outer ring arc surface of the insulating protective layer (8), and the high-carbon galvanized steel wires (10) penetrate through the threading grooves (9) and then protrude out of the outer ring surface of the insulating protective layer (8).

5. The optical fiber according to claim 1, wherein the optical fiber is characterized in that: the wear-resistant pad (11) is of a circular arc-shaped plate-shaped structure, the wear-resistant pads (11) are arranged in a plurality of numbers, and the wear-resistant pads (11) are arranged in one-to-one correspondence with the threading grooves (9).

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