CN206362976U - A kind of LA light armor is anti-biological anti-to denude cable - Google Patents

Abstract

The utility model discloses a kind of LA light armor it is anti-biological it is anti-denude cable, it includes：Center reinforcemen, light unit, plastic-coated aluminium strip, inner sheath, stainless steel band, oversheath, two free ends of stainless steel band are respectively the first free end and the second free end, first free end is adjacent to oversheath, second free end is overlapped on stainless steel band, and the second free end is overlapped points with stainless steel band lap-joint, and the length of coverage rate of the overlapped points away from the first free end is 6 8mm, second free end extends to inflection point from overlapped points to the first free extreme direction, and the distance of inflection point to overlapped points is 3mm.The utility model substitutes traditional seaming die using new 6 font seaming die, not only reduce resistance during stainless steel shaping, and optimization processing has been done in the traditional overlap joint covering of contrast, angle folding is handled between having done 100 120 ° in overlap joint edge, the yield stress of lap-joint is increased, prevents muroid melon seeds from lap-joint's stripping fiber optic cables.

Description

A kind of LA light armor is anti-biological anti-to denude cable

Technical field

The utility model is related to optical cable field, and in particular to a kind of LA light armor is anti-biological anti-to denude cable.

Background technology

The rapid growth of data service accelerates the construction of Networks of Fiber Communications, and optical fiber cable is widely used in network cloth Line.Often bitten and destroyed by muroid after circuit passes through the region that some vegetative coverages enrich, fiber cable laying Situation.

The mode that current optical cable protection against rodents bites is divided into chemical protection against rodents and the class of physics protection against rodents two.Chemical protection against rodents refers in optical cable A certain proportion of pungent agent is added in sheath, the smell and the sense of taste to mouse cause certain injury, to reach the effect of protection against rodents, But certain pollution is caused to environment using this kind of pungent agent, there is injury to a certain extent to the personnel in process.

Current physics protection against rodents is exactly to select hard material, such as steel band, steel wire etc..Using stainless steel wire to cable armor, Make optical cable with very strong protection against rodents property and anticorrosive property, be useful in the more savage region of some muroids, but the weight of optical cable is very big, Lay inconvenience.Armouring is carried out to optical cable using steel band, can also make optical cable that there is rodent-proof characteristic, although compared with wire armoring protection against rodents property Can be weaker, but the weight of optical cable is small, flexility, lays conveniently.

Muroid nibbles optical cable, causes optical cable to damage, so as to influence the integrality of communication line, has had a strong impact on the biography of information It is defeated.Optical cable is destroyed by damaged by rats, outer jacket, causes cable core or optical fiber to be directly exposed in air, fiber lifetime drastically declines, So as to substantially increase the maintenance cost of communication line.

Conventional chromium-plated steel band armored optical cable, steel band moisture-sensitive gas cut loses and got rusty after oversheath is snapped brokenly, final to occur Pit, causes the forfeiture of protection against rodents ability.Stainless steel band hardness is big, and mouse bites difficulty, and direct rodent-proof characteristic is fine.Stainless steel Band corrosion resistance is strong, after oversheath is broken by the teeth by muroid, can also be corroded in humid air, and cable core exposure can be prevented empty In gas, make optical cable that there is stronger protection against rodents ability.This product can effectively solve the problem that destruction of the damaged by rats to optical cable, with very big The market demand.

Utility model content

The purpose of this utility model is to overcome the problem above that prior art is present, and there is provided a kind of LA light armor is anti-biological Anti- to denude cable, the utility model changes the overlapping mode of stainless steel band armor lap-joint, and the surrender for increasing lap-joint should Power, prevents muroid melon seeds from lap-joint's stripping fiber optic cables.

To realize above-mentioned technical purpose and the technique effect, the utility model is achieved through the following technical solutions：

A kind of LA light armor it is anti-biological it is anti-denude cable, it includes：Centrally-disposed center reinforcemen, the center The periphery of reinforcer is provided with some light units, and the light unit periphery is coated with plastic-coated aluminium strip, the plastic-coated aluminium strip periphery cladding There is inner sheath, the inner sheath periphery is coated with stainless steel band, and the stainless steel band periphery is coated with oversheath,

Two free ends of the stainless steel band are respectively the first free end and the second free end, the first free end patch The tight oversheath, second free end is overlapped on the stainless steel band, second free end and the stainless steel band Lap-joint is overlapped points, and the length of coverage rate of the overlapped points away from first free end is 6-8mm, second free end Inflection point is extended to from the overlapped points to the described first free extreme direction, the inflection point is to the distance of the overlapped points 3mm。

Preferably, the inflection point is arranged on overlap joint coverage rate, and the bending angle of the inflection point is 100-120 °, institute The distance for stating the first free end that stainless steel band is deviateed in inflection point is 0.3mm-0.8mm, the gap formed by the inflection point Water adsorption swelling waterproof ointment or PUR are filled, the compactedness of packing material is no less than 60% in gap.

Preferably, the light unit includes：Some optical fiber, the optical fiber and the set are provided with inside sleeve pipe, described sleeve pipe The fine cream of space filling between inside pipe wall.

Preferably, the space filling cable cream between the plastic-coated aluminium strip and the light unit, center reinforcemen.

The beneficial effects of the utility model are:

The utility model changes the overlapping mode of stainless steel band armor lap-joint, in processing, using new 6 font Seaming die substitutes traditional seaming die, not only reduces resistance during stainless steel shaping, and the traditional overlap joint covering of contrast is done Optimization processing, angle folding is handled between being 100-120 ° in overlap joint edge, is increased the yield stress of lap-joint, is prevented Only muroid melon seeds are from lap-joint's stripping fiber optic cables.

The utility model employs double cover half production technologies, one group of plug die is further added by original sheath technique, no Bounce-back during stainless steel band shaping is only reduced, and is effectively guaranteed the lap width of stainless steel band.

The utility model uses high-strength stainless steel band, and applying coating replaces traditional plating outside stainless steel band Chromium plating steel belt, effectively prevent after cable outer sheath broken by the teeth, armor is affected by environment and by corrosion, further protects light Cable.

The utility model employs cable cream spraying coating process replacement traditional hot-melt adhesive and beats side, fills the gap of steel band lap-joint, The problem of conventional cable fill process easily seeps water can not only be solved well, intercepted and tested in optical cable arbitrfary point by checking Section can be transferred through the infiltration test of optical cable.

Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model Art means, and being practiced according to the content of specification, with preferred embodiment of the present utility model and coordinate accompanying drawing detailed below Describe in detail bright as after.Embodiment of the present utility model is shown in detail by following examples and its accompanying drawing.

Brief description of the drawings

In order to illustrate more clearly of the technical scheme in the utility model embodiment technology, embodiment technology will be retouched below The accompanying drawing used required in stating is briefly described, it should be apparent that, drawings in the following description are only the utility model Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis These accompanying drawings obtain other accompanying drawings.

Fig. 1 is the cross section structure schematic diagram of optical cable of the present utility model；

Fig. 2 is the structural representation of 6 font seaming dies in the utility model；

Fig. 3 is the sectional view in A directions in Fig. 2；

Wherein, 1- center reinforcemens, 2- light units, 21- sleeve pipes, 22- optical fiber, 23- fibre cream, 3- plastic-coated aluminium strips, 4- cable cream, 5- inner sheaths, 6- stainless steel bands, the free ends of 61- first, the free ends of 62- second, 63- overlapped points, 64- inflection points, 7- oversheaths, 8- " 6 " font seaming die.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belongs to the scope of the utility model protection.

Embodiment 1

Shown in reference picture 1-3, disclosed in embodiment 1 a kind of LA light armor it is anti-biological it is anti-denude cable, cable configuration is main Including：Centrally-disposed center reinforcemen 1, the periphery of above-mentioned center reinforcemen 1 is provided with some light units 2, above-mentioned light Unit 2 includes：Sleeve pipe 21, the above-mentioned inside of sleeve pipe 21 is provided between some optical fiber 22, above-mentioned optical fiber 22 and above-mentioned sleeve pipe 21 inwall The fine cream 23 of space filling.

The above-mentioned periphery of light unit 2 is coated with plastic-coated aluminium strip 3, above-mentioned plastic-coated aluminium strip 3 and above-mentioned light unit 2, center reinforcemen 1 Between space filling cable cream 4.

The above-mentioned periphery of plastic-coated aluminium strip 3 is coated with inner sheath 5, and the above-mentioned periphery of inner sheath 5 is coated with stainless steel band 6, it is above-mentioned not Rust steel band 6 periphery is coated with oversheath 7.

Two free ends of above-mentioned stainless steel band 6 are respectively the first free end 61 and the second free end 62, and above-mentioned first certainly Above-mentioned oversheath 7 is adjacent to by end 61, above-mentioned second free end 62 is overlapped on above-mentioned stainless steel band 6, above-mentioned second free end 62 It is overlapped points 63, the length of coverage rate of the above-mentioned overlapped points 63 away from above-mentioned first free end 61 with the above-mentioned lap-joint of stainless steel band 6 For 6-8mm, above-mentioned second free end 62 extends to inflection point 64 from above-mentioned overlapped points 63 to the above-mentioned direction of first free end 61, on State inflection point 64 and arrive the distance of above-mentioned overlapped points 63 for 3mm.Above-mentioned inflection point 64 is arranged on overlap joint coverage rate, above-mentioned inflection point 64 bending angle is 100-120 °.

Also, the distance that the first free end 61 of stainless steel band is deviateed in above-mentioned inflection point 64 is 0.3mm-0.8mm, by described Gap filling water adsorption swelling waterproof ointment or PUR that inflection point 64 is formed, water adsorption swelling waterproof ointment or PUR are used for Block water, in gap, the compactedness of packing material is no less than 60%.

The optical cable forming principle of the present embodiment is as follows：

(1) special process：Using the novel longitudinal job contract skill of " 6 " word seaming die 8 and double plug dies, that is, in original sheath Increase by one group of plug die on the basis of technique, reduce resistance during steel belt molding, and optimize the gap of lap-joint.

Because the yield stress of stainless steel band is larger, in order to effectively reduce bounce-back during stainless steel band shaping, in stainless steel Band enters before first of plug die, and using " 6 " font seaming die 8 of nature angle closure, the same of resistance is reduced in shaped by lapping When and carried out overlap joint 100 ° to 120 ° of edge between angle folding processing, i.e., overlap coverage rate naturally form one Inflection point and an overlapped points, inflection point are about controlled in 3mm with overlapped points distance, can effectively increase bending for bending place steel band Taking position at stress, overlapped points can effectively prevent muroid claw from stripping at steel band lap gap.

During into second plug die, main function is to stablize the shaped by lapping of stainless steel band and increase lap width, The coverage rate of lap-joint is increased, 7mm or so is enlarged to from the 5mm of original standard requirement, so that the anti-stripping to realize lap-joint The second lift of ability.

(2) in terms of material：Using the stainless steel band of high-strength corrosion-resisting, there is the painting of 0.05mm thickness in stainless steel band surface The bed of material, the dope layer can play preferable gain function resistant to chemical etching and resistant to elevated temperatures, can prevent stainless steel band because of high temperature Or chemical attack and cause intensity to decline.Current existing common chromium plating steel strip surface does not have coat typically, but at certain Under the service condition of specific environment, when cable outer sheath bites by mouse, steel band is exposed in atmosphere, is invaded by rainwater Erosion, easy corrosion influences the intensity of steel band.

(3) using novel cable cream spraying coating process, the problem of conventional cable fill process easily seeps water, its technique are solved Principle is exactly that will spray cream even application on metal tape by spraying equipment, surfaces of metallic strip is formed oil in lateral continuity The section (lap-joint for including metal tape) that cream blocks water, so as to effectively prevent water from flowing longitudinally through, obtains maximally effective optical cable resistance Water effect.Such a technique, which avoids traditional hot-melt adhesive and beats side and easily shift, causes PUR to overflow surfaces of metallic strip, so that shadow Ring the problems such as metal tape crosses mould, lap-joint's infiltration and optical cable appearance.

Using stainless steel band and new technique, reduce resistance during steel belt molding, and optimize the gap of lap-joint, tie Fruit is as shown in table 1.

The steel band performance table of table 1

In processing, traditional seaming die is substituted using new 6 font seaming die, is not only reduced when stainless steel is molded Resistance, and optimization processing has been done in the traditional overlap joint covering of contrast, angle folding between being 100-120 ° in overlap joint edge Processing, increases the yield stress of lap-joint, prevents muroid melon seeds from lap-joint's stripping fiber optic cables.

Double cover half production technologies are employed, one group of plug die is further added by original sheath technique, is not only reduced not Bounce-back during rust steel belt molding, and it is effectively guaranteed the lap width of stainless steel band.

Using high-strength stainless steel band, and outside stainless steel band, applying coating replaces traditional chromium-plated steel band, has Effect is prevented after cable outer sheath broken by the teeth, armor it is affected by environment and by corrosion, further protect optical cable.

Employ cable cream spraying coating process replacement traditional hot-melt adhesive and beat side, the gap of filling steel band lap-joint can not only be fine Ground solves the problem of conventional cable fill process easily seeps water, and be can be transferred through by checking in optical cable arbitrfary point interception test section The infiltration test of optical cable.

The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein The General Principle of justice can in other embodiments be realized in the case where not departing from spirit or scope of the present utility model.Cause This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein The most wide scope consistent with features of novelty.

Claims (4)

1. a kind of LA light armor it is anti-biological it is anti-denude cable, it includes：Centrally-disposed center reinforcemen, the center adds The periphery of strong part is provided with some light units, and the light unit periphery is coated with plastic-coated aluminium strip, and the plastic-coated aluminium strip periphery is coated with Inner sheath, the inner sheath periphery is coated with stainless steel band, and the stainless steel band periphery is coated with oversheath, it is characterised in that

Two free ends of the stainless steel band are respectively the first free end and the second free end, and first free end is adjacent to institute Oversheath is stated, second free end is overlapped on the stainless steel band, second free end is overlapped with the stainless steel band Locate as overlapped points, the length of coverage rate of the overlapped points away from first free end is 6-8mm, second free end is from institute State overlapped points and extend to inflection point to the described first free extreme direction, the distance of the inflection point to the overlapped points is 3mm.

2. LA light armor according to claim 1 is anti-biological anti-to denude cable, it is characterised in that the inflection point, which is arranged on, takes Connect on coverage rate, the bending angle of the inflection point is 100-120 °, and the first free end of stainless steel band is deviateed in the inflection point Distance be 0.3mm-0.8mm, water adsorption swelling waterproof ointment or PUR are filled in the gap formed by the inflection point, in sky The compactedness of packing material is no less than 60% at gap.

3. LA light armor according to claim 1 is anti-biological anti-to denude cable, it is characterised in that the light unit includes：Set Some optical fiber are provided with inside pipe, described sleeve pipe, the fine cream of space filling between the optical fiber and described sleeve pipe inwall.

4. LA light armor according to claim 1 is anti-biological anti-to denude cable, it is characterised in that the plastic-coated aluminium strip with it is described Space filling cable cream between light unit, center reinforcemen.