CN110010278B - Buried self-insect-expelling cable and burying method thereof - Google Patents
Buried self-insect-expelling cable and burying method thereof Download PDFInfo
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- CN110010278B CN110010278B CN201910261452.8A CN201910261452A CN110010278B CN 110010278 B CN110010278 B CN 110010278B CN 201910261452 A CN201910261452 A CN 201910261452A CN 110010278 B CN110010278 B CN 110010278B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N53/00—Biocides, pest repellants or attractants, or plant growth regulators containing cyclopropane carboxylic acids or derivatives thereof
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
- A01N59/06—Aluminium; Calcium; Magnesium; Compounds thereof
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1805—Protections not provided for in groups H01B7/182 - H01B7/26
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/184—Sheaths comprising grooves, ribs or other projections
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1875—Multi-layer sheaths
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
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Abstract
The invention discloses an embedded self-insect-expelling cable and an embedding method thereof, belonging to the field of cables, the embedded self-insect-expelling cable and the embedding method thereof, when the cable is embedded underground, an insect expelling layer and a concrete layer are arranged between the cable and the soil, on one hand, the cable and the soil can be effectively isolated, so that the contact of the cable by insects in the soil is reduced, and further, the probability of the cable to generate a biological erosion phenomenon is reduced, on the other hand, the insects in the soil can be intercepted when being close to the insect expelling layer, so that the insect expelling and killing effect is achieved, meanwhile, the coating wrapping layer and the convex hemisphere are arranged outside the protective covering layer of the cable, the insects which penetrate through the insect expelling layer and contact the cable can be effectively intercepted and continue to move to the inside of the cable, and simultaneously, after the inner filling agent in the convex hemisphere flows out, the insect expelling and killing effect can be further formed, the service life of the cable is prolonged.
Description
Technical Field
The invention relates to the field of cables, in particular to a buried self-insect-expelling cable and a burying method thereof.
Background
The cable is mainly composed of the following 4 parts. Firstly, a conductive wire core: made of a high conductivity material (copper or aluminum). Each core may be formed by twisting a single wire or a plurality of wires according to the requirement of laying and using conditions on the flexibility degree of the cable. Insulating layer: the insulating material used as the cable should have high insulation resistance, high breakdown field strength, low dielectric loss and low dielectric constant. Common insulating materials used in cables are oil-impregnated paper, polyvinyl chloride, polyethylene, crosslinked polyethylene, rubber, and the like. Cables are often classified as insulating materials, such as oil impregnated paper insulated cables, polyvinyl chloride cables, crosslinked polyethylene cables, and the like. Sealing the sheath: protecting the insulated wire core from mechanical, moisture, humidity, chemicals, light, etc. For moisture-sensitive insulation, a lead or aluminum extrusion seal jacket is generally used. Protecting the covering layer: to protect the sealing boot from mechanical damage. Galvanized steel strips, steel wires or copper strips, copper wires and the like are generally used as armor to wrap the armor outside a sheath (called an armored cable), and the armor layer simultaneously plays the roles of shielding an electric field and preventing external electromagnetic wave interference. In order to avoid corrosion of the steel belts and wires by the surrounding medium, they are generally coated with asphalt or wrapped with an impregnated jute layer or an extruded polyethylene or polyvinyl chloride sheath.
The cable may be classified into a power cable, a communication cable, a control cable, and the like according to its use. Compared with an overhead line, the cable has the advantages of small insulating distance between lines, small occupied space, no occupation of space above the ground due to underground laying, no influence of pollution of the surrounding environment, high power transmission reliability, and small interference on personal safety and the surrounding environment. But the cost is high, the construction and the maintenance are troublesome, and the manufacture is complicated. Therefore, the cable is mostly applied to dense areas of population and power grids and places with heavy traffic; when the cable is laid in the river, the river and the seabed, the use of large-span overhead lines can be avoided. Cables may also be used where it is desirable to avoid interference of overhead lines with communications and where aesthetic considerations or exposure to objects are desired.
However, the cable is generally buried underground, the underground soil contains a plurality of bacteria, eggs or bugs in the natural environment, the bacteria, eggs or bugs can form a certain biological erosion on the surface of the cable, although the protective covering layer at the outermost layer of the cable can protect the cable from mechanical damage, a certain mechanical gap can exist between steel belts, steel wires or copper belts of the cable, and in the underground, the bacteria, eggs or bugs are small and can penetrate through the mechanical gap to contact with the sealing sheath, so that the sealing sheath outside the cable is damaged, the insulating layer and the conductive wire core inside the cable are exposed locally, the electric leakage phenomenon is easily caused, meanwhile, the instability of the cable line can be caused, and the cost investment of later maintenance and repair can be increased.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide an underground self-insect-expelling cable and an underground self-insect-expelling method thereof, when the cable is buried underground, the insect-expelling layer and the concrete layer are arranged between the cable and the soil, on one hand, the cable and the soil can be effectively isolated, so that the contact of the cable with insects in the soil is reduced, and the probability of the cable being subjected to biological erosion is reduced, on the other hand, the insects in the soil can be intercepted when being close to the insect-expelling layer, so that the insect expelling and killing effects are achieved, meanwhile, the coating wrapping layer and the convex hemisphere are arranged outside the protective covering layer of the cable, so that the insects which penetrate through the insect-expelling layer and contact with the cable can be effectively intercepted and continue to move towards the inside of the cable, and simultaneously, after the filling agent in the convex hemisphere flows out, the insect expelling and killing effects can be further, the service life of the cable is prolonged.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A buried self-driven insect cable comprises a conductive wire core, wherein an insulating layer is sleeved at the outer end of the conductive wire core, a sealing sheath is sleeved at the outer end of the insulating layer, a protective covering layer is sleeved at the outer end of the sealing sheath, a plurality of convex hemispheres are fixedly connected with the outer end of the protective covering layer and are distributed on the protective covering layer at discontinuous equal intervals, each convex hemisphere comprises an arc-shaped outer layer and an inner filling agent, the arc-shaped outer layer is fixedly connected with the protective covering layer, the inner filling agent is filled in the arc-shaped outer layer, a coating wrapping layer is arranged on the surface of the protective covering layer and is positioned in gaps among the plurality of convex hemispheres, when the cable is buried underground, an insect repelling layer and a concrete layer are arranged between the cable and soil, on one hand, the cable and the soil can be effectively isolated, and then reduce the probability that the cable takes place the bioerosion phenomenon, on the other hand, the worm is when being close to the expelling parasite layer in the soil, can be intercepted, thereby reach the effect of expelling parasite and deinsectization, simultaneously through set up coating parcel layer and protruding hemisphere outside the protection covering layer at the cable, can effectively intercept the worm that passes the expelling parasite layer and contact the cable and continue to move to cable inside, simultaneously after the interior filler of protruding hemisphere flows, can further form the effect of expelling parasite and insecticidal, thereby reduce the probability that the cable is bioerosion by the living beings, and the service life of cable is prolonged.
Further, protruding hemisphere surface is scribbled and is equipped with the protection against insects coating, and when the cable buried underground, the protection against insects coating can prevent effectively that bacterium, worm's ovum or worm etc. are close to the cable to make and reduce the influence to the cable of bacterium, worm's ovum or worm individual etc. prolong cable life, thereby prolong the later stage and maintain the time of repairing to the cable.
Further, the outer layer of arc and coating parcel layer are made by the epoxy that has added the insect-repellent agent, and the outer thickness of arc is 1/3-1/2 for coating the parcel layer, make coating parcel layer and protruding hemisphere all have the effect of insect-repellent, make the cable when underground, coating parcel layer and protruding hemisphere can produce certain insect-repellent protection to its inside protection overburden and sealed sheath, thereby improve the life of cable, the outer layer of arc is thinner than coating parcel layer simultaneously, the outer layer of arc can damage earlier than coating parcel layer, thereby make under the not impaired condition in coating parcel layer, the inner filler can flow out in the outer layer of arc, and spill around the cable, further produce the effect of protection against insects to the cable, make the cable have from the effect of expelling parasite.
Further, the outer inside excavation of arc has a plurality of pre-fracture holes, and is a plurality of pre-fracture hole evenly distributed in the arc is outer, the setting of pre-fracture hole in protruding hemisphere for this position is compared in other positions of protruding hemisphere, and is thinner, and then pre-fracture hole department can regard as the position of priority fracture, accelerates the outer cracked speed of arc, shortens the time that interior filler flowed out in from the arc outer layer promptly, makes the effect of protection against insects better.
Furthermore, the shape of the pre-breaking hole is thick in the middle of the two thin ends, the distance between one end, close to the outer inner surface of the arc, of the pre-breaking hole and the outer inner surface of the arc is 1-2mm, the distance between one end, far away from the outer surface of the arc, of the pre-breaking hole and the outer surface of the arc is 2-3mm, the shape of the pre-breaking hole is thick in the middle of the two thin ends of the pre-breaking hole, preferential cracking of the position of the pre-breaking hole in the protruding hemisphere is facilitated, accordingly, the cracking time of the protruding hemisphere is kept short, the internal filling agent can flow out in good time, the pre-breaking hole is arranged in the protruding hemisphere, the inner side of the protruding hemisphere is thick, partial strength of the outer side of the pre-breaking hole can be improved, and.
Furthermore, the inner filling agent is formed by mixing camphor ball particles and nicotine according to the proportion of 1:1.3-1.5, when the inner filling agent flows out of the arc-shaped outer layer, the camphor ball particles can volatilize to generate pungent smell, the insect expelling effect can be achieved, the nicotine has the insect killing effect, and even if insects are not driven away by the smell emitted by the camphor ball particles, the insects can be poisoned by the nicotine when the insects are close to the cable.
A buried self-driven insect cable comprises the following steps:
s1, firstly, excavating a cable pre-buried groove for cable laying;
s2, cleaning soil blocks at the bottom end in the cable embedding groove, and then building a concrete layer on the inner wall of the bottom of the cable embedding groove;
s3, after the concrete layer is dried, paving an insect-repellent layer in the concrete layer;
s4, placing the cable into an insect-repellent layer, and laying an insect-repellent layer above the cable;
s5, burying soil in the cable embedding groove, compacting, and erecting a cable reminding label.
Furthermore, the height of the concrete layer in the cable embedding groove in the S2 is 0.2-0.4m, the cable is thin, the concrete layer is too high, material waste can be caused, and the isolation effect of the concrete layer on soil and the cable is not obvious due to too low concrete layer.
Further, the two insect-repellent layers in S3 and S4 are realgar, lime powder and natural pyrethrin according to the weight ratio of 1: the ratio of the realgar to the lime powder to the natural pyrethrin is 1:0.5-0.8, and the realgar, the lime powder and the natural pyrethrin have the effects of deinsectization and insect expelling, so that when the cable is arranged in the cable embedding groove, the soil in the cable embedding groove and the cable can be isolated by the insect expelling layer, and the cable is wrapped by the insect expelling layer in the cable embedding groove, so that the possibility that insects in the soil contact the cable is reduced, and the possibility of biological erosion of the cable is reduced.
Furthermore, the depth of the cable embedding groove in the S1 is 0.7-0.9m, so that the embedding depth of the cable is in accordance with the national safety standard, the depth is too shallow, the point pressing is easily affected by the external environment, the possibility of damage caused by crushing is increased, the depth is too deep, the labor amount and the construction difficulty of workers can be increased when the cable is embedded, and the cost input is increased.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) this scheme is when the cable is buried underground, through set up expelling parasite layer and concrete layer between cable and soil, on the one hand can effectively completely cut off cable and soil, thereby reduce the contact of worm in the cable by soil, and then reduce the probability that the cable takes place the bioerosion phenomenon, on the other hand, worm in the soil is when being close to the expelling parasite layer, can be intercepted, thereby reach the effect of expelling parasite and deinsectization, simultaneously through set up coating parcel layer and protruding hemisphere outside the protective cover layer at the cable, can effectively intercept the worm that passes expelling parasite layer contact to the cable and continue to the inside motion of cable, simultaneously after the filler in the protruding hemisphere flows out, can further form the effect of expelling parasite and insecticidal, thereby reduce the probability that the cable was bioerosion by the living things, and the service life of cable is prolonged.
(2) The surface of the convex hemisphere is coated with the insect-proof coating, when the cable is buried underground, the insect-proof coating can effectively prevent bacteria, ova or insects from approaching the cable, so that the influence of the bacteria, ova or insects on the cable is reduced, the service life of the cable is prolonged, and the later-stage maintenance and repair time of the cable is prolonged.
(3) The outer layer of arc and coating parcel layer are made by the epoxy that has added the insect repellent, and the outer thickness of arc is 1/3-1/2 of coating parcel layer, make coating parcel layer and protruding hemisphere all have the effect of insect-resistant, make the cable when underground, coating parcel layer and protruding hemisphere can produce certain insect-resistant protection to its inside protection overburden and sealed sheath, thereby improve the life of cable, the outer layer of arc is thinner than coating parcel layer simultaneously, the outer layer of arc can damage earlier than coating parcel layer, thereby make under the undamaged condition in coating parcel layer, the inner filler can follow the outer in-situ outflow of arc, and spill around the cable, further produce the effect of protection against insects to the cable, make the cable have from the effect of expelling parasite.
(4) The outer inside excavation of arc has a plurality of pre-fracture holes, and a plurality of pre-fracture holes evenly distributed in the arc is outer, the setting of pre-fracture hole in protruding hemisphere for this position is compared in other positions of protruding hemisphere, and is thinner, and then pre-fracture hole department can regard as the position of preferred fracture, accelerates the outer cracked speed of arc, shortens the time that interior filler flows from the arc in outer promptly, makes the effect of protection against insects expelling parasite better.
(5) The shape of pre-breaking hole is thick in the middle of the two ends are thin, and the distance between one end of the pre-breaking hole close to the outer inner surface of the arc and the outer inner surface of the arc is 1-2mm, the distance between one end of the pre-breaking hole far away from the outer surface of the arc and the outer surface of the arc is 2-3mm, the thick shape in the middle of the two ends of the pre-breaking hole is set, the position of the pre-breaking hole in the protruding hemisphere is split preferentially, so that the splitting time of the protruding hemisphere is kept short, the inner filling agent can flow out in good time, meanwhile, the pre-breaking hole is in the protruding hemisphere, the protruding hemisphere is thicker in the inner side, the partial strength of the protruding hemisphere outside of the pre-breaking hole can be improved better, and the.
(6) The inner filling agent is formed by mixing camphor ball particles and nicotine according to the proportion of 1:1.3-1.5, when the inner filling agent flows out of the arc-shaped outer layer, the camphor ball particles can volatilize to generate pungent smell, and the effect of expelling insects can be achieved, the nicotine has the function of killing insects, and even if insects are not driven away by the smell emitted by the camphor ball particles, the insects can be poisoned by the nicotine when the insects are close to the cable.
(7) The height of the concrete layer in the cable embedding groove in the S2 is 0.2-0.4m, material waste can be caused due to the fact that the cable is thin and the concrete layer is too high, and the isolation effect of the concrete layer on soil and the cable is not obvious due to the fact that the concrete layer is too low.
(8) In S3 and S4, the two insect-repellent layers are realgar, lime powder and natural pyrethrin according to the weight ratio of 1: the ratio of the realgar to the lime powder to the natural pyrethrin is 1:0.5-0.8, and the realgar, the lime powder and the natural pyrethrin have the effects of deinsectization and insect expelling, so that when the cable is arranged in the cable embedding groove, the soil in the cable embedding groove and the cable can be isolated by the insect expelling layer, and the cable is wrapped by the insect expelling layer in the cable embedding groove, so that the possibility that insects in the soil contact the cable is reduced, and the possibility of biological erosion of the cable is reduced.
(9) The depth of the cable embedding groove in the S1 is 0.7-0.9m, so that the embedding depth of the cable is in accordance with the national safety standard, the depth is too shallow, the point pressing is easily affected by the external environment, the possibility of damage caused by crushing is increased, the depth is too deep, the labor amount and the construction difficulty of workers can be increased when the cable is embedded, and the cost input is increased.
Drawings
FIG. 1 is a schematic structural view in cross section of the present invention;
FIG. 2 is a schematic view of the structure at A in FIG. 1;
FIG. 3 is a schematic structural diagram of the front side of the present invention;
fig. 4 is a main flow diagram of the present invention.
The reference numbers in the figures illustrate:
the cable comprises a conductive wire core 1, an insulating layer 2, a sealing sheath 3, a protective covering layer 4, a coating wrapping layer 5, a convex hemisphere 6, an arc outer layer 61, a filler 62 and a pre-breaking hole 7.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection 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," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "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, a buried self-driving insect cable comprises a conductive wire core 1, an insulating layer 2 is sleeved at the outer end of the conductive wire core 1, a sealing sheath 3 is sleeved at the outer end of the insulating layer 2, a protective covering layer 4 is sleeved at the outer end of the sealing sheath 3, a plurality of convex hemispheres 6 are fixedly connected at the outer end of the protective covering layer 4, and insect-proof coatings are coated on the surfaces of the convex hemispheres 6, when the cable is buried underground, the insect-proof coatings can effectively prevent bacteria, eggs or insects from approaching the cable, so as to reduce the influence of the bacteria, eggs or insects on the cable and prolong the service life of the cable, thereby prolonging the later maintenance and repair time of the cable, referring to fig. 3, the convex hemispheres 6 are discontinuously distributed at equal intervals on the protective covering layer 4, the surface of the protective covering layer 4 is provided with a coating wrapping layer 5, and the coating wrapping layer, outer 61 of arc and coating parcel 5 are made by the epoxy that has added insect-repellent agent, and the thickness of outer 61 of arc is 1/3-1/2 of coating parcel 5, make coating parcel 5 and protruding hemisphere 6 all have insect-repellent effect, make the cable when underground, coating parcel 5 and protruding hemisphere 6 can produce certain insect-repellent protection to its inside protection overburden 4 and sealed sheath 3, thereby improve the life of cable, outer 61 of arc is thinner than coating parcel 5 simultaneously, outer 61 of arc can damage earlier than coating parcel 5, thereby make under the not impaired condition of coating parcel 5, interior filler 62 can flow out in outer 61 of arc, and spill around the cable, further produce the effect of protection against insects to the cable, make the cable have from the effect of expelling parasite.
Referring to fig. 2, the convex hemisphere 6 includes an arc-shaped outer layer 61 and an inner filling agent 62, the arc-shaped outer layer 61 is fixedly connected to the protective covering layer 4, the inner filling agent 62 is filled in the arc-shaped outer layer 61, a plurality of pre-breaking holes 7 are drilled in the arc-shaped outer layer 61, the pre-breaking holes 7 are uniformly distributed in the arc-shaped outer layer 61, the pre-breaking holes 7 are disposed in the convex hemisphere 6, so that the pre-breaking holes 7 are thinner than other positions of the convex hemisphere 6, the pre-breaking holes 7 can be used as positions with preferential fracture to accelerate the fracture speed of the arc-shaped outer layer 61, that is, the time of the inner filling agent 62 flowing out from the arc-shaped outer layer 61 is shortened, so that the insect repelling effect is better, the pre-breaking holes 7 are thin at two ends and thick at the middle part, the distance between one end of the pre-breaking holes 7 close to the inner surface of the arc-shaped outer layer 61 and the inner surface of the arc-shaped outer layer 61 is 1.5mm, the shape of the two ends of the pre-breaking hole 7 is thin and the middle is thick, so that the position of the pre-breaking hole 7 in the convex hemisphere 6 can be preferentially cracked, thereby keeping the crack time of the convex hemisphere 6 short, allowing the inner filling agent 62 to flow out at a proper time, meanwhile, the pre-breaking hole 7 is arranged in the convex hemisphere 6, so that the outer side of the convex hemisphere 6 is thicker than the inner side, the strength of the part of the outer side of the convex hemisphere 6 at the position of the pre-breaking hole 7 can be improved better, so that the cable is not easy to break when the cable is carried by constructors, the inner filling agent 62 is formed by mixing camphor ball particles and nicotine according to the proportion of 1:1.4, when the inner filler 62 flows out of the arc-shaped outer layer 61, the camphor ball particles can volatilize to generate pungent smell, so that the insect-expelling effect can be achieved, and the nicotine has the insect-killing effect, even if insects are not driven away by the odor emitted by the camphor ball particles, when the insects are close to the cable, nicotine can produce toxic action on the insects.
Referring to fig. 4, a buried self-driving cable includes the following steps:
s1, firstly, excavating a cable pre-buried groove for cable laying;
s2, cleaning soil blocks at the bottom end in the cable embedding groove, and then building a concrete layer on the inner wall of the bottom of the cable embedding groove;
s3, after the concrete layer is dried, paving an insect-repellent layer in the concrete layer;
s4, placing the cable into an insect-repellent layer, and laying an insect-repellent layer above the cable;
s5, burying soil in the cable embedding groove, compacting, and erecting a cable reminding label.
The depth of the cable embedding groove in the S1 is 0.8m, so that the embedded depth of the cable is in accordance with the national safety standard, the depth is too shallow, the point pressing is easily influenced by the external environment, the possibility of damage caused by crushing is increased, the depth is too deep, the labor amount and the construction difficulty of workers can be increased when the cable is embedded, and the cost input is increased.
The height of the concrete layer in the cable embedding groove in the S2 is 0.3m, the material waste can be caused due to the fact that the cable is thin and the concrete layer is too high, and the isolation effect of the concrete layer on soil and the cable is not obvious due to the fact that the concrete layer is too low.
In S3 and S4, the two insect-repellent layers are realgar, lime powder and natural pyrethrin according to the weight ratio of 1: 1: 0.7, realgar, lime powder and natural pyrethrin all have the effect of deinsectization and expelling parasite for the cable is when the cable embedded groove is inside, and the soil of expelling parasite layer in can with cable and cable embedded groove is kept apart, and the cable is wrapped up by expelling parasite layer in the cable embedded groove, makes the possibility that the worm contacted the cable in the soil reduce, thereby has reduced the probability that the cable takes place biological erosion.
When the cable is buried underground, through set up expelling parasite layer and concrete layer between cable and soil, on the one hand can effectively completely cut off cable and soil, thereby reduce the contact of worm in the cable by soil, and then reduce the probability that the cable takes place the bioerosion phenomenon, on the other hand, worm in the soil can be intercepted when being close to the expelling parasite layer, thereby reach the effect of expelling parasite and deinsectization, simultaneously through set up coating layer 5 and protruding hemisphere 6 outside the protective cover layer of cable, can effectively intercept the worm that passes the expelling parasite layer and contact the cable and continue to move to cable inside, simultaneously after the interior filler 62 of protruding hemisphere 6 flows out, can further form the effect of expelling parasite and insecticidal, thereby reduce the probability that the cable was corroded by the living beings, improve the life of cable.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (5)
1. The utility model provides a bury formula from driving worm cable, includes conductive core (1), its characterized in that: the outer pot head of conductive core (1) is equipped with insulating layer (2), the outer pot head of insulating layer (2) is equipped with sealed sheath (3), the outer pot head of sealed sheath (3) is equipped with protective covering layer (4), a plurality of protruding hemispheres (6) of protective covering layer (4) outer end fixedly connected with, protruding hemispheres (6) are discontinuous equidistant distribution on protective covering layer (4), protruding hemispheres (6) include arc outer (61) and interior filler (62), arc outer (61) and protective covering layer (4) fixed connection, interior filler (62) are filled inside arc outer (61), protective covering layer (4) surface is equipped with coating parcel layer (5), coating parcel layer (5) are located the space between a plurality of protruding hemispheres (6), protruding hemispheres (6) surface is scribbled and is equipped with the protection against insects coating, the arc-shaped outer layer (61) and the coating wrapping layer (5) are both made of epoxy resin added with an insect-resistant agent, the thickness of the arc-shaped outer layer (61) is 1/3-1/2 coated with the wrapping layer (5), a plurality of pre-breaking holes (7) are drilled in the arc-shaped outer layer (61), the pre-breaking holes (7) are uniformly distributed in the arc-shaped outer layer (61), the pre-breaking holes (7) are thin at two ends and thick in the middle, and the distance between one end of the pre-breaking hole (7) close to the inner surface of the arc-shaped outer layer (61) and the inner surface of the arc-shaped outer layer (61) is 1-2mm, the distance between one end of the pre-breaking hole (7) far away from the outer surface of the arc-shaped outer layer (61) and the outer surface of the arc-shaped outer layer (61) is 2-3mm, the internal filler (62) is formed by mixing camphor ball particles and nicotine according to the proportion of 1: 1.3-1.5.
2. A buried self-driving insect cable according to claim 1, wherein: the embedding method comprises the following steps:
s1, firstly, excavating a cable pre-buried groove for cable laying;
s2, cleaning soil blocks at the bottom end in the cable embedding groove, and then building a concrete layer on the inner wall of the bottom of the cable embedding groove;
s3, after the concrete layer is dried, paving an insect-repellent layer in the concrete layer;
s4, placing the cable into an insect-repellent layer, and laying an insect-repellent layer above the cable;
s5, burying soil in the cable embedding groove, compacting, and erecting a cable reminding label.
3. A buried self-driving insect cable according to claim 2, wherein: and in the S2, the height of the concrete layer in the cable embedding groove is 0.2-0.4 m.
4. A buried self-driving insect cable according to claim 2, wherein: the two insect-repellent layers in the S3 and S4 are realgar, lime powder and natural pyrethrin according to the weight ratio of 1: 1: 0.5-0.8.
5. A buried self-driving insect cable according to claim 2, wherein: and in the S1, the depth of the cable embedding groove is 0.7-0.9 m.
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| CN201910261452.8A CN110010278B (en) | 2019-04-02 | 2019-04-02 | Buried self-insect-expelling cable and burying method thereof |
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| CN201910261452.8A CN110010278B (en) | 2019-04-02 | 2019-04-02 | Buried self-insect-expelling cable and burying method thereof |
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| CN110010278B true CN110010278B (en) | 2020-12-29 |
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| CN207833964U (en) * | 2018-02-12 | 2018-09-07 | 广州锦新通信有限责任公司 | Insect prevention cable for digital communication |
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| EP2784786A1 (en) * | 2013-03-28 | 2014-10-01 | Alcatel-Lucent Shanghai Bell Co., Ltd. | Cable and method of manufacturing a cable |
| CN104966567A (en) * | 2015-07-03 | 2015-10-07 | 成都新三电线厂 | Novel cable apparatus prevented from being bitten by mice and having a fire prevention function |
| CN205050595U (en) * | 2015-10-15 | 2016-02-24 | 安徽双诚电线电缆有限公司 | Protection against insects ant aluminum alloy cable |
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| CN110010278A (en) | 2019-07-12 |
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Effective date of registration: 20201210 Address after: 241000 No.1, Hualing Avenue, longan industrial zone, Wuwei County, Wuhu City, Anhui Province Applicant after: ANHUI HUALING CABLE GROUP Co.,Ltd. Address before: Group 1, Xinan street, Sanchahe Town, Fuyu County, Songyuan City, Jilin Province, 138000 Applicant before: Yu Hongbo |
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