CN114415307B

CN114415307B - Wear-resisting type optical cable of snake scale formula

Info

Publication number: CN114415307B
Application number: CN202210311342.XA
Authority: CN
Inventors: 胡东华; 陆兵
Original assignee: Nantong Tongneng Communication Technology Co ltd
Current assignee: Nantong Tongneng Communication Technology Co ltd
Priority date: 2022-03-28
Filing date: 2022-03-28
Publication date: 2022-05-31
Anticipated expiration: 2042-03-28
Also published as: CN114415307A

Abstract

The invention discloses a snake scale type wear-resistant optical cable, which belongs to the technical field of optical cables, can cover a layer of outer covering scale on the outer surface of a cable sleeve in a snake scale mode, not only can provide good wear resistance and mechanical protection effect, but also can be normally bent and stretched without interfering the laying and use of the optical cable, and the outer covering scale has the characteristics of smoothness and wear resistance, protects the cable sleeve and a cable core on the premise of maintaining the operability of the optical cable to the maximum extent, and utilizes a force control joint arranged in a spine mode to control the action of the outer covering scale, so that the outer covering scale can turn over on the surface of the cable sleeve to change the covering direction, the applicability of the cable sleeve is greatly improved, a scale lower protective bag on the surface of the cable sleeve can support and buffer between the outer covering scale and the cable sleeve, the mechanical force on the outer covering scale is prevented from being directly transmitted to the cable sleeve, compared with the existing optical cable, the invention obviously improves the wear resistance and mechanical protection effect of the surface of the cable sleeve by arranging the outer covering scale.

Description

Wear-resisting type optical cable of snake scale formula

Technical Field

The invention relates to the technical field of optical cables, in particular to a snake scale type wear-resistant 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 are telecommunication cable assemblies that may be used individually or in groups. 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. Namely: a cable formed by subjecting an optical fiber (optical transmission carrier) to a certain process. The basic structure of the optical cable generally comprises a cable core, a reinforcing steel wire, a filler, a sheath and other parts, and further comprises a waterproof layer, a buffer layer, an insulated metal wire and other components according to requirements.

The existing optical cable is easy to be damaged due to external force invasion during laying or using under the outdoor environment, particularly, the sheath is easy to wear, once the sheath is damaged and broken, the inner cable core can be directly exposed under the external environment and is easy to corrode and damage, so that the existing plastic sheath is difficult to effectively deal with the complex environment, and the protection strength of the cable core is insufficient.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide a scale type wear-resistant optical cable, which can cover a layer of outer covering scale on the outer surface of a cable sleeve in a snake scale simulating manner, not only can provide good wear resistance and mechanical protection effect, but also can be normally bent and stretched without interfering with the laying and use of the optical cable, and the outer covering scale has smooth and wear-resistant characteristics, protects the cable sleeve and a cable core on the premise of maintaining the operability of the optical cable to the maximum extent, and utilizes a spine simulating manner to set a force control joint to control the action of the outer covering scale, so that the outer covering scale can turn over and change the covering direction on the surface of the cable sleeve, the applicability of the cable sleeve is greatly improved, a scale lower protective bag on the surface of the cable sleeve can support and buffer between the outer covering scale and the cable sleeve, and the mechanical force on the outer covering scale is prevented from being directly transmitted to the cable sleeve, compared with the existing optical cable, the wear resistance and the mechanical protection effect of the surface of the cable sleeve are obviously improved by arranging the outer covering scale.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

The utility model provides a wear-resisting type optical cable of snake scale formula, includes cable cover and cable core, it is inboard that the cable core is inserted and is located the cable cover, cable cover outer end covers has a plurality of evenly distributed's the scale that covers, cover elastic adhesive tape and the wear-resisting main scale that the scale includes interconnect, wear-resisting main scale passes through elastic connection between elastic adhesive tape and the cable cover, and is adjacent be connected with the accuse power condyle between the wear-resisting main scale, and a plurality of accuse power condyles are in same straight line, the cable cover outer end is the underscale capsule that protects of a plurality of evenly distributed of fixedly connected with still, and the underscale capsule that protects is located the middle zone that corresponds the accuse power condyle.

Further, accuse power condyle includes main pin, magnetism piece and a pair of flexible line end of inhaling, flexible line end symmetric connection is at main pin both ends, magnetism is inhaled the piece and is inlayed in the center department of main pin, and flexible line end can satisfy accuse power condyle and the relative rotation between the outer cover scale, and main pin has certain intensity and controls the upset of the outer cover scale, utilizes the magnetism effect of protecting the bag to inhaling the piece under the scale simultaneously for the accuse power condyle oppresses under the scale and protects the bag and can cover smoothly to cable cover surface and fix a position, can make simultaneously inhale the piece and pull main pin and to cable cover lateral incurve, reduce the external force damage that probably receives.

Furthermore, the main bone rod is made of elastic metal materials, the magnetic suction block is made of magnetic materials, and the flexible wire end is made of flexible materials.

Furthermore, the outer covering scale further comprises a plurality of wear-resistant bulges, the wear-resistant bulges are uniformly embedded on the inner surface and the outer surface of the main wear-resistant scale, and the wear-resistant bulges can further improve the wear resistance and the toughness of the main wear-resistant scale, so that the main wear-resistant scale is protected, and the situation that the strength is reduced due to excessive wear is prevented.

Furthermore, wear-resisting main scale includes metal intermediate layer, outer functional layer and interior functional layer, and metal intermediate layer inlays between outer functional layer and interior functional layer, and metal intermediate layer plays the effect of supporting and providing intensity as the skeleton, and outer functional layer and interior functional layer then can provide corresponding function according to environment and demand.

Further, outer functional layer and interior functional layer adopt one of light and heat conversion material or reflecting material to make, under the outdoor environment of sweltering heat, can adopt reflecting material to come to reflect the sunlight to reduce the gathering of heat energy, under cold outdoor environment, can adopt light and heat conversion material to come light energy conversion heat energy, thereby provide certain heat for the cable cover and carry out freeze proof.

Furthermore, the scale protection bag comprises an outer expansion bag, a waterproof breathable film and a plurality of elastic shaping wires, the waterproof breathable film is fixedly connected inside the outer expansion bag and divides the outer expansion bag into an inner space and an outer space, the elastic shaping wires are uniformly connected between the cable sleeve and the waterproof breathable film, the inner space is filled with color development liquid, the scale protection bag can prevent the outer covering scale from directly covering the surface of the cable sleeve, a certain heat dissipation space can be reserved, meanwhile, the external force applied to the outer covering scale can be prevented from being directly transmitted to the cable sleeve, when the temperature is higher, the color development liquid in the inner space is volatilized to enter the outer space, so that the outer space expands to jack up the outer covering scale, the space between the outer covering scale and the cable sleeve is enlarged, and meanwhile, the heat transfer is accelerated when the outer expansion bag is fully contacted with the outer covering scale, so that the heat dissipation effect of the optical cable is improved, is suitable for use in hot environment.

Furthermore, the color developing solution is a mixture of one of a fluorescent solution and a colored aqueous solution and magnetic powder, the volume of the color developing solution is one half of that of the fluorescent solution, the fluorescent solution can emit fluorescence to prompt in a dark environment, the colored aqueous solution can directly prompt in an illumination environment, meanwhile, when the outer-coated scale is damaged due to overlarge stress, the under-scale protective bag can be damaged and broken at a high probability, the internal color developing solution can be leaked to the outside to prompt, and the color developing solution can provide a good buffer function besides the color developing function and exists as a buffer barrier of the outer-coated scale and the cable sleeve.

Further, the under-scale protective bag is replaced by an outer coating film and a heat-insulating filler, the heat-insulating filler is filled inside the outer coating film, the heat-insulating filler is a mixture of heat-insulating particles and magnetic powder, the size of the heat-insulating particles is smaller than that of the wear-resistant protrusions, after the supporting effect of the elastic shaping wires is lost, the outer coating scales extrude the outer coating film to fully deform under the compression of the force-controlling condyle, the existence of a buffer barrier can be reserved, meanwhile, the space between the outer coating scales and the cable sleeve can be filled, the good heat-insulating effect is realized, the wear-resistant protrusions can extrude the heat-insulating particles to be separated and directly contacted with the cable sleeve in a close range, and heat energy converted by the photothermal conversion material can be transferred to the cable sleeve to prevent freezing.

Further, it is adjacent it has overlap region and not overlap joint each other to cover between the scale, it is the ARC structure of evagination to cover the inside and outside both ends of scale outside, both can avoid the cable cover to have after the drawing that the subregion directly exposes under external environment, and the ARC structure of covering the scale outside simultaneously can further improve the wearability.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) the scheme can cover a layer of outer covering scale on the outer surface of the cable sleeve in a snake scale imitating way, not only can provide good wear resistance and mechanical protection function, meanwhile, the optical cable can be normally bent and stretched without interfering with the laying and the use of the optical cable, and the outer covering scale has the characteristics of smoothness and wear resistance, the cable sleeve and the cable core are protected on the premise of maintaining the operability of the optical cable to the maximum extent, the force control joint is arranged in a manner of imitating a vertebra to control the action of the scales externally coated, the scale protection bag on the surface of the cable sleeve can support and buffer between the scale and the cable sleeve, thereby avoiding the mechanical force on the scale from being directly transmitted to the cable sleeve, compared with the existing optical cable, the invention obviously improves the wear resistance and mechanical protection effect of the surface of the cable sleeve by arranging the outer covering scale.

(2) Accuse power condyle includes main bone pole, magnetism inhales piece and a pair of flexible line end, flexible line end symmetric connection is in main bone pole both ends, magnetism inhales the piece and inlays in the center department of main bone pole, flexible line end can satisfy accuse power condyle and the relative rotation between the scale that covers outward, main bone pole has certain intensity and controls the upset that covers the scale outward, utilize the magnetic attraction effect of protection bag under the scale to magnetism piece simultaneously, make accuse power condyle oppress protection bag under the scale and can cover smoothly to cable cover surface and fix a position, can make simultaneously magnetism inhale the piece and pull main bone pole to cable cover side inflection, reduce the external force damage that probably receives.

(3) The wear-resistant main scale comprises a metal interlayer, an outer functional layer and an inner functional layer, the metal interlayer is embedded between the outer functional layer and the inner functional layer, the metal interlayer serves as a framework to support and provide strength, and the outer functional layer and the inner functional layer can provide corresponding functions according to environment and requirements.

(4) The under-scale protection bag comprises an outer expansion bag, a waterproof breathable film and a plurality of elastic shaping wires, wherein the waterproof breathable film is fixedly connected inside the outer expansion bag, the outer expansion bag is divided into an inner space and an outer space, the elastic shaping wires are uniformly connected between the cable sleeve and the waterproof breathable film, the inner space is filled with color developing liquid, the under-scale protective bag can prevent the outer covering scale from directly covering the surface of the cable sleeve, a certain heat dissipation space can be reserved, and meanwhile, the external force applied to the outer covering scale can be prevented from being directly transmitted to the cable sleeve, when the temperature is higher, the color development liquid in the inner space volatilizes and enters the outer space, so that the outer space expands to jack the outer covering scale, the space between the outer covering scale and the cable sleeve is enlarged, meanwhile, the heat transfer of the outer expansion bag is accelerated when the outer expansion bag is in full contact with the outer covering scale, so that the heat dissipation effect of the optical cable is improved, and the optical cable is suitable for hot environments.

(5) Protect the bag replacement under the scale to be outer covering film and heat preservation filler, heat preservation filler is filled in outer covering film inboard, heat preservation filler is the mixture of heat preservation granule and magnetic, and the size of heat preservation granule is less than wear-resisting bellied size, lose the supporting role of elasticity setting silk after, under the oppression of accuse power condyle, the outer covering scale extrudees outer covering film and takes place abundant deformation, both can keep the existence of buffering protective screen, can fill the space between outer covering scale and the cable cover simultaneously, realize good heat preservation effect, and wear-resisting arch can extrude the heat preservation granule and separate and direct and cable cover closely contact, can transmit the heat energy of light and heat conversion material conversion to cable cover and carry out freeze-proofly.

Drawings

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

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

FIG. 3 is a schematic view of the structure at A in FIG. 2;

FIG. 4 is a schematic structural view of a force-controlling condyle of the present invention;

FIG. 5 is an exploded view of the wear resistant main scale of the present invention;

FIG. 6 is a schematic view of the structure of the wear-resistant main scale of the present invention;

FIG. 7 is a schematic structural view of the under-scale protective bag of example 2 of the present invention before heating;

FIG. 8 is a schematic structural view of the under-scale protective bag of example 2 of the present invention after being heated;

fig. 9 is a schematic structural view of the protective bag under the scale in embodiment 3 of the present invention.

The reference numbers in the figures illustrate:

the cable comprises a cable sleeve 1, a cable core 2, an outer coating scale 3, an elastic adhesive tape 31, an abrasion-resistant main scale 32, a metal interlayer 321, an outer functional layer 322, an inner functional layer 323, an abrasion-resistant bulge 33, a force-controlled condyle 4, a main skeleton 41, a magnetic suction block 42, a flexible wire end 43, an under-scale protective bag 5, an outer expansion bag 51, a waterproof ventilated membrane 52, an elastic shaping wire 53, an outer coating 54 and a heat-insulating filler 55.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "fitted/connected", "connected", and the like, are to be interpreted broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-3, a scale-shaped wear-resistant optical cable comprises a cable sleeve 1 and a cable core 2, wherein the cable core 2 is inserted inside the cable sleeve 1, a plurality of uniformly distributed outer covering scales 3 cover the outer end of the cable sleeve 1, each outer covering scale 3 comprises an elastic rubber strip 31 and a wear-resistant main scale 32 which are connected with each other, each wear-resistant main scale 32 is elastically connected with the cable sleeve 1 through the elastic rubber strip 31, a force control joint 4 is connected between every two adjacent wear-resistant main scales 32, the force control joints 4 are located on the same straight line, a plurality of uniformly distributed under-scale protection bags 5 are fixedly connected to the outer end of the cable sleeve 1, and the under-scale protection bags 5 are located in the middle area corresponding to the force control joints 4.

Adjacent cover have overlap region and mutual not overlap joint between the scale 3, cover the inside and outside both ends of scale 3 and be the cambered surface structure of evagination, both can avoid cable cover 1 to have partial region directly to expose under external environment after tensile, the cambered surface structure that covers scale 3 simultaneously can further improve the wearability.

Referring to fig. 4, the force-controlling condyle 4 includes a main condyle rod 41, a magnetic block 42 and a pair of flexible line ends 43, the flexible line ends 43 are symmetrically connected to two ends of the main condyle rod 41, the magnetic block 42 is embedded in the center of the main condyle rod 41, the flexible line ends 43 can meet the requirement of relative rotation between the force-controlling condyle 4 and the outer covering scale 3, the main condyle rod 41 has a certain strength to control the turning of the outer covering scale 3, and the magnetic attraction of the magnetic block 42 by the scale protecting bag 5 enables the force-controlling condyle 4 to press the scale protecting bag 5 to smoothly cover the surface of the cable sheath 1 and to be positioned, and the magnetic block 42 can pull the main condyle rod 41 to bend inward toward the cable sheath 1 to reduce the possible external force damage.

The main rod 41 is made of elastic metal material, the magnetic block 42 is made of magnetic material, and the flexible wire end 43 is made of flexible material.

Referring to fig. 6, the outer covering scale 3 further includes a plurality of wear-resistant protrusions 33, the wear-resistant protrusions 33 are uniformly embedded on the inner and outer surfaces of the main wear-resistant scale 32, and the wear-resistant protrusions 33 can further improve the wear resistance and toughness of the main wear-resistant scale 32, so as to protect the main wear-resistant scale 32 and prevent the reduction of strength due to excessive wear.

Under normal environment, the wear-resistant main scale 32 and the wear-resistant protrusions 33 are directly made of wear-resistant metal materials, and the under-scale protection bag 5 is made of elastic buffer materials.

Example 2:

in hot environments, please refer to fig. 5, the wear-resistant main scale 32 includes a metal interlayer 321, an outer functional layer 322, and an inner functional layer 323, the metal interlayer 321 is embedded between the outer functional layer 322 and the inner functional layer 323, the metal interlayer 321 serves as a framework to support and provide strength, and the outer functional layer 322 and the inner functional layer 323 can provide corresponding functions according to the environment and the requirement.

Outer functional layer 322 and interior functional layer 323 adopt one of light and heat conversion material or reflecting material to make, and light and heat conversion material can be black carbon-based material, and reflecting material can adopt the reflective membrane, under the outdoor environment of sweltering heat, can adopt reflecting material to reflect the sunlight to reduce the gathering of heat, under cold outdoor environment, can adopt light and heat conversion material to come light energy conversion heat energy, thereby it is freezing-resistant to provide certain heat for cable cover 1.

Referring to fig. 7-8, the under-scale protection bag 5 includes an outer expansion bag 51, a waterproof breathable film 52 and a plurality of elastic shaping wires 53, the waterproof breathable film 52 is fixedly connected inside the outer expansion bag 51 and divides the outer expansion bag 51 into an inner space and an outer space, the elastic shaping wires 53 are uniformly connected between the cable jacket 1 and the waterproof breathable film 52, the inner space is filled with color developing solution, the under-scale protection bag 5 can prevent the outer covering scale 3 from directly covering the surface of the cable jacket 1, so as to retain a certain heat dissipation space and prevent the external force applied to the outer covering scale 3 from being directly transmitted to the cable jacket 1, when the temperature is high, the color developing solution in the inner space is volatilized into the outer space, so that the outer space expands to jack up the outer covering scale 3, the space between the outer covering scale 3 and the cable jacket 1 is enlarged, and the heat transfer of the outer expansion bag 51 is accelerated when the outer expansion bag is fully contacted with the outer covering scale 3, thereby improving the heat dissipation effect of the optical cable and being suitable for hot environments.

The color developing solution is a mixture of one of fluorescent solution and magnetic powder, the volume of the color developing solution is one half of that of the fluorescent solution, the fluorescent solution can give out fluorescence for prompting when the scale is in a dark environment, the color aqueous solution can directly give a prompt when the scale 3 is in a light environment, meanwhile, when the scale 3 is damaged due to overlarge stress, the scale protection bag 5 can be damaged and broken at a high probability, the internal color developing solution can be leaked to the outside for prompting, and the color developing solution can provide a good buffer function besides the color developing function and exists as a buffer barrier of the scale 3 and the cable sleeve 1.

Example 3:

in a cold environment, as compared with embodiment 2, please refer to fig. 9, the under-scale protection bag 5 is replaced by an outer coating film 54 and a heat preservation filler 55, the heat preservation filler 55 is filled inside the outer coating film 54, the heat preservation filler 55 is a mixture of heat preservation particles and magnetic powder, the size of the heat preservation particles is smaller than that of the wear-resistant protrusions 33, after the supporting function of the elastic shaping wires 53 is lost, the outer coating scales 3 extrude the outer coating film 54 to be fully deformed under the compression of the force control joint 4, so that the existence of the buffer barrier can be maintained, meanwhile, the space between the outer coating scales 3 and the cable sleeve 1 can be filled, a good heat preservation function is realized, the wear-resistant protrusions 33 can extrude the heat preservation particles to be directly contacted with the cable sleeve 1 in a short distance, and the heat energy converted by the photothermal conversion material can be transferred to the cable sleeve 1 to prevent freezing.

It should be noted that the outer functional layer 322 and the inner functional layer 323 can be made of different materials, respectively, and the reflective material is covered to the outside in a hot environment, and the photothermal conversion material is covered to the outside in a cold environment, and the turning of the outer covering scale 3 is controlled by the force control joint 4.

The invention can cover a layer of outer covering scale 3 on the outer surface of the cable sleeve 1 in a snake scale imitating way, not only can provide good wear resistance and mechanical protection function, meanwhile, the optical cable can be normally bent and stretched without interfering with the laying and the use of the optical cable, and the outer covering scale 3 has the characteristics of smoothness and wear resistance, the cable sleeve 1 and the cable core 2 are protected on the premise of maintaining the operability of the optical cable to the maximum extent, the force control joint 4 is arranged in a manner of imitating a vertebra to control the action of the scales 3 externally coated, the covering scale 3 can be overturned on the surface of the cable sleeve 1 to change the covering direction, the applicability is greatly improved, the scale protective bag 5 on the surface of the cable sleeve 1 can support and buffer between the covering scale 3 and the cable sleeve 1, the mechanical force on the covering scale 3 is prevented from being directly transmitted to the cable sleeve 1, compared with the existing optical cable, the invention obviously improves the wear resistance and mechanical protection effect of the surface of the cable sleeve 1 by arranging the outer covering scale 3.

The above are merely preferred embodiments of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by the equivalent or modified embodiments and the modified concepts of the present invention.

Claims

1. The utility model provides a wear-resisting type optical cable of snake scale formula, includes cable cover (1) and cable core (2), cable core (2) are inserted and are located cable cover (1) inboard, its characterized in that: the outer end of the cable sleeve (1) is covered with a plurality of uniformly distributed outer covering scales (3), each outer covering scale (3) comprises an elastic rubber strip (31) and a wear-resistant main scale (32) which are connected with each other, each wear-resistant main scale (32) is elastically connected with the cable sleeve (1) through the elastic rubber strip (31), each wear-resistant main scale (32) is adjacent to each other, a force control joint (4) is connected between the wear-resistant main scales (4), the force control joints (4) are located on the same straight line, the outer end of the cable sleeve (1) is also fixedly connected with a plurality of uniformly distributed under-scale protective bags (5), the under-scale protective bags (5) are located in the middle area corresponding to the force control joints (4), each force control joint (4) comprises a main bone rod (41), a magnetic suction block (42) and a pair of flexible line ends (43), the flexible line ends (43) are symmetrically connected with the two ends of the main bone rod (41), and the magnetic suction blocks (42) are embedded in the center of the main bone rod (41), the scale-down protective bag (5) comprises an outer inflatable bag (51), a waterproof breathable film (52) and a plurality of elastic shaping wires (53), wherein the waterproof breathable film (52) is fixedly connected inside the outer inflatable bag (51) and divides the outer inflatable bag (51) into an inner space and an outer space, the elastic shaping wires (53) are uniformly connected between the cable sleeve (1) and the waterproof breathable film (52), and color developing liquid is filled in the inner space.

2. A snake-scale abrasion-resistant optical cable according to claim 1, wherein: the main bone rod (41) is made of elastic metal materials, the magnetic attraction block (42) is made of magnetic materials, and the flexible wire end (43) is made of flexible materials.

3. A snake-scale abrasion-resistant optical cable according to claim 1, wherein: the outer covering scale (3) further comprises a plurality of wear-resistant protrusions (33), and the wear-resistant protrusions (33) are uniformly embedded on the inner surface and the outer surface of the wear-resistant main scale (32).

4. A snake-scale abrasion-resistant optical cable according to claim 1, wherein: the wear-resistant main scale (32) comprises a metal interlayer (321), an outer functional layer (322) and an inner functional layer (323), and the metal interlayer (321) is embedded between the outer functional layer (322) and the inner functional layer (323).

5. A snake-scale abrasion-resistant optical cable according to claim 4, wherein: the outer functional layer (322) and the inner functional layer (323) are made of one of photo-thermal conversion materials or light-reflecting materials.

6. A snake-scale wear-resistant optical cable according to claim 1, characterized in that: the color developing solution is a mixture of one of fluorescent solution and colored aqueous solution and magnetic powder, and the volume of the color developing solution is one half of that of the fluorescent solution or the colored aqueous solution.

7. A snake-scale abrasion-resistant optical cable according to claim 3, wherein: the scale-down protective bag (5) is replaced by an outer wrapping film (54) and a heat-insulating filler (55), the heat-insulating filler (55) is filled in the inner side of the outer wrapping film (54), the heat-insulating filler (55) is a mixture of heat-insulating particles and magnetic powder, and the size of the heat-insulating particles is smaller than that of the wear-resisting protrusions (33).

8. A snake-scale abrasion-resistant optical cable according to claim 1, wherein: adjacent it has overlap region and mutual not overlap joint between scale (3) of covering, both ends are the cambered surface structure of evagination inside and outside the scale (3) of covering.