Spiral armored cable
Technical Field
The utility model belongs to the technical field of communication material, especially, relate to a institutional advancement's spiral armor light, electricity, photoelectric composite cable.
Background
The conventional optical communication cable has a structure as shown in fig. 1, in which the outermost layer is a coating layer 101 made of kevlar or steel wire, the reinforcement layer 102 made of resin material, a buffer layer 103 made of PVC, and coated with 104 resin material once, the cladding layer 105 made of resin material, and the core 106(8.3-9/50/62.5) of the optical cable.
The above-mentioned core has the following drawbacks: the fiber core is fragile and easy to break, the turning radius is large, in order to ensure that the fiber core has certain tensile strength and compressive strength, a plurality of strands of Kevlar fibers are often arranged on the inner side or the outer side of the cable, the thicknesses of the buffer layer and the reinforcing layer are increased to improve the tensile property of the optical cable, but due to the cable structure and material selection reasons, the use amount of other layers is increased, the material is wasted, the weight is increased, and the use effect is not ideal.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve the defect that above-mentioned prior art exists, provide tensile, resistance to compression, the light, electricity, the compound cable of photoelectricity that shears, can improve the fine inner core of current light, electricity, the compound cable of photoelectricity and draw, bend, roll over, cut the aspect not enough, improve its radial bending performance, make whole light, electricity, the compound cable of photoelectricity have good pliability ability like light-duty spring.
The utility model adopts the following technical scheme:
the utility model provides a spiral armor cable, includes optical cable fibre core or optical cable core, spiral armor, restrictive coating, and stranded optical cable fibre core or optical cable core arrange in the cavity pipeline that spiral armor formed, and the restrictive coating is arranged in the outer of spiral armor.
The utility model discloses a further technical scheme is, still include interior enhancement layer in the spiral armor structure, and optical cable fiber core, optical cable fiber core and interior enhancement layer adopt the spiral winding, or parallel interweave sets up in the cavity pipeline that spiral armor structure formed, and the interior enhancement layer of course also can wrap up the setting of optical cable fiber core.
The utility model discloses a further technical scheme is, still set up outer reinforcement layer between restrictive coating and the spiral armor, and the total wall thickness of outer reinforcement layer and restrictive coating can be adjusted as required.
The utility model discloses a further technical scheme is, in interior enhancement layer and the outer enhancement layer arbitrary one of chooseing for use tensile fibre, steel wire, tensile fibre can be hemp rope, nylon, carbon fiber, aramid fiber.
The utility model discloses a further technical scheme is, reserve when stranded optical cable fibre core and interior enhancement layer are filled in the cavity pipeline that spiral armor structure encloses gappedly, fill totally, guarantee that spiral armor cable has certain tensile ability and certain ability of shearing at the laying process.
The utility model discloses a further technical scheme is, spiral armor is formed by metal, plastics, macromolecular material foil spiral winding, and interval between the double-phase adjacent spiral part of spiral armor can be adjustable in the certain limit during manufacturing.
The further technical proposal of the utility model is that the cross section of the metal, the plastic and the high polymer material foil is in the shape of a circle, a triangle, a trapezoid, a rectangle or other irregular polygons.
The utility model discloses further technical scheme is, when the spiral cross-section of metal, plastics, macromolecular material foil cross-section is triangle-shaped, for equilateral triangle or isosceles triangle, when trapezoidal, for isosceles trapezoid, when the rectangle, be the square.
The utility model discloses a further technical scheme is, spiral armor structure can also be for the right spiral for the left spiral.
The utility model discloses further technical scheme is, the spiral armor structure can adopt two strands and above metal, plastics, macromolecular material foil syntropy spiral winding to form, also can adopt the reverse relative winding of stranded metal, plastics, macromolecular material foil to arrange and form.
The utility model discloses a further technical scheme is, the restrictive coating can be made for any one of materials such as resin and polymer.
The utility model has the advantages that:
1. the spiral armor structure is made of stainless steel and other materials which continuously surround the spiral wrapping to form a thin-wall pipeline, so that light, cables and fiber cores arranged in the pipeline are protected, the good mechanical performance of the spiral armor structure makes up the defects of cable cores in the aspects of pulling, bending and shearing, and the radial bending performance is improved by the gaps among rings of the spiral armor structure, so that the whole optical cable has good flexibility as a light spring.
2. The material with extremely thin thickness is continuously twisted and encircled to form a long-distance spiral pipe, the wire core is arranged in the spiral pipe in a paying-off mode, and meanwhile the thickness, the spiral width and the distance of the spiral armor are adjusted. Compared with the original structure of tightly wrapping the resin layer by the fiber core, the weight of the optical cable is greatly reduced, and the tensile, anti-shearing and bending properties are improved.
3. The original traditional optical cable is used for protecting an optical fiber core, and is wrapped by adopting a multilayer process of a tight wrapping layer, a buffer layer and a reinforcing layer to protect the core optical fiber core, so that the traditional optical fiber cable usually exceeds 3.5mm when the traditional optical fiber cable reaches the general tensile, bending and folding required section area; and the consumed resin and fiber materials are more, and the weight generally exceeds 15 kg/km.
4. The utility model discloses spiral armor's cable, because of the armoring structure of excellent spiral, have light, tough, the high performance that intensity is high, has got rid of original tight covering, and the buffer layer has reduced the volume that the kafu in the enhancement layer was drawn and the resin quantity of surface coating. Under the requirement of the same optical and electrical conductivity performance index, the existing diameter of the spiral armored optical cable can be as small as less than or equal to 2.5 mm; the weight can be as light as less than or equal to 8 kg/km; saves a large amount of raw materials, and has the advantages of light weight and easy use.
Drawings
FIG. 1 is a schematic diagram of a prior art cable;
fig. 2 is a schematic view of the optical cable structure of the present invention.
In the figure: 1-optical cable core, 2-inner reinforcement layer, 3-spiral armor structure, 4-outer reinforcement layer and 5-sheath layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention are clearly and completely described below, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1.
As shown in fig. 2, the utility model discloses a spiral armor cable, it includes optical cable fiber core 1, interior enhancement layer 2, spiral armor 3, outer reinforcement layer 4, restrictive coating 5, and in the cavity pipeline that is formed by spiral armor 3 was arranged simultaneously in to stranded optical cable fiber core 1 and interior enhancement layer 2, spiral armor 3 was outer for outer reinforcement layer 4, and outer reinforcement layer 4 is restrictive coating 5 outward.
The utility model discloses a further technical scheme is, optical cable fibre core 1 adopts spiral winding with interior enhancement layer 2, or parallel interweave sets up in the cavity pipeline that spiral armor structure 3 formed, and interior enhancement layer 2 also can wrap up optical cable fibre core 1 and arrange of course.
The utility model discloses a further technical scheme is, in the tensile fiber material, the steel wire any one all can be chooseed for use to interior enhancement layer 2 and outer enhancement layer 4, tensile fiber optional hemp rope, nylon, carbon fiber, aramid fiber.
The utility model discloses a further technical scheme is, but spiral armor 3 optional metal, plastics, macromolecular material foil.
The further technical proposal of the utility model is that the cross section of the metal, the plastic and the high polymer material foil is in the shape of a circle, a triangle, a trapezoid, a rectangle or other irregular polygons.
The utility model discloses a further technical scheme is, when metal, plastics, macromolecular material foil cross-section are triangle-shaped, for equilateral triangle or isosceles triangle, for trapezoidal time, for isosceles trapezoid, for the rectangle, be the square.
The utility model discloses further technical scheme is, spiral armor 3 can also be the right spiral for the left spiral.
The utility model discloses further technical scheme is, spiral armor 3 can adopt two strands and above metal, plastics, macromolecular material foil syntropy spiral winding to form, also can adopt the reverse relative winding of stranded metal, plastics, macromolecular material foil to arrange and form.
The utility model discloses a further technical scheme is, interval between the double-phase adjacent spiral part of spiral armor structure 3 is adjustable.
The utility model discloses further technical scheme is, reserve when filling in the cavity pipeline that spiral armor structure 3 enclosed gapped with interior tensile fiber layer for stranded optical cable fibre core 1, not fill completely, guarantee that spiral armor cable has certain tensile ability and certain ability of shearing at the laying process, has good bending property simultaneously.
The further technical scheme of the utility model is that, the total wall thickness of outer tensile fibre layer and restrictive coating 5 is adjustable.
The utility model discloses further technical scheme is, restrictive coating 5 can be made for any one of materials such as resin and polymer.
Example 2.
The utility model discloses an armor structure cable, including stranded optical cable fibre core 1, spiral armor 3, outer reinforcement layer 4, restrictive coating 5, in the cavity pipeline that constitutes by spiral armor 3 was arranged in to stranded optical cable fibre core 1, spiral armor 3 skin was outer for outer reinforcement layer 4, and outer reinforcement layer 4 skin is restrictive coating 5.
The utility model discloses further technical scheme is, in 4 optional tensile fiber material of outer reinforcing layer, the steel wire, tensile fiber can be rope made of hemp, nylon, carbon fiber, aramid fiber.
The utility model discloses a further technical scheme is, but spiral armor 3 optional metal, plastics, macromolecular material foil.
The further technical proposal of the utility model is that the cross section of the metal, the plastic and the high polymer material foil is in the shape of a circle, a triangle, a trapezoid, a rectangle or other irregular polygons.
The utility model discloses a further technical scheme is, when the cross-section of metal, plastics, macromolecular material foil is triangle-shaped, for equilateral triangle or isosceles triangle, when being trapezoidal, for isosceles trapezoid, when being the rectangle, be the square.
The utility model discloses further technical scheme is, spiral armor 3 can also be the right spiral for the left spiral.
The utility model discloses further technical scheme is, spiral armor 3 can adopt two strands and above stainless steel foil syntropy spiral winding to form, also can adopt the reverse relative winding of stranded metal, plastics, macromolecular material foil to arrange and form.
The utility model discloses a further technical scheme is, the interval between the double-phase adjacent spiral part of spiral armor structure 3 is adjustable.
The utility model discloses further technical scheme is, reserve when multi-strand optical cable fibre core 1 is filled in the cavity pipeline that spiral armor structure 3 encloses gappedly to fill completely, guarantee that spiral armor cable has certain tensile ability and certain ability of shearing at the laying process.
The further technical scheme of the utility model is that, the total wall thickness of outer tensile fibre layer and restrictive coating 5 is adjustable.
The utility model discloses further technical scheme is, restrictive coating 5 can be made for any one of materials such as resin and polymer.
Example 3
The utility model discloses an armor cable, including optical cable fibre core 1, interior enhancement layer 2, spiral armor structure 3, restrictive coating 5, in the cavity pipeline of being formed by spiral armor structure 3 was arranged in simultaneously to stranded optical cable fibre core 1 and interior enhancement layer 2, spiral armor structure 3 skin was restrictive coating 5.
The utility model discloses a further technical scheme is, optical cable fibre core 1 adopts spiral winding with interior enhancement layer 2, or parallel interweave sets up in the cavity pipeline that spiral armor structure 3 formed, and interior enhancement layer 2 also can arrange around optical cable fibre core 1 certainly.
The utility model discloses a further technical scheme is, arbitrary one in the optional tensile fiber material of interior enhancement layer 2, steel wire, tensile fibre can be rope made of hemp, nylon, carbon fiber, aramid fiber.
The utility model discloses a further technical scheme is, but spiral armor 3 optional metal, plastics, macromolecular material foil.
The further technical proposal of the utility model is that the cross section of the metal, the plastic and the high polymer material foil is in the shape of a circle, a triangle, a trapezoid, a rectangle or other irregular polygons.
The utility model discloses a further technical scheme is, when metal, plastics, macromolecular material foil cross-section are triangle-shaped, for equilateral triangle or isosceles triangle, for trapezoidal time, for isosceles trapezoid, for the rectangle, be the square.
The utility model discloses further technical scheme is, spiral armor 3 can also be the right spiral for the left spiral.
The utility model discloses further technical scheme is, spiral armor 3 can adopt two strands and above metal, plastics, macromolecular material foil syntropy spiral winding to form, also can adopt the reverse relative winding of stranded metal, plastics, macromolecular material foil to arrange and form.
The utility model discloses further technical scheme is, it is gapped when stranded optical cable fibre core 1 fills in the cavity pipeline that spiral armor structure 3 encloses with tensile fibrous layer, and not fill completely, guarantee that spiral armor cable has certain tensile ability and certain ability of shearing at the laying process.
The further technical proposal of the utility model is that the total wall thickness of the sheath layer 5 is adjustable.
The utility model discloses further technical scheme is, restrictive coating 5 can be made for any one of materials such as resin and polymer.
Example 4.
The armored cable comprises an optical cable fiber core 1, a spiral armored structure 3 and a sheath layer 5, wherein the multi-strand optical cable fiber core 1 is arranged in a hollow pipeline formed by the spiral armored structure 3, and the sheath layer 5 is arranged on the outer layer of the spiral armored structure 3.
The further technical proposal of the utility model is that the spiral armor structure 3 can select any one of metal, plastic, high polymer material foil and steel wire.
The further technical proposal of the utility model is that the cross section of the metal, the plastic and the high polymer material foil is in the shape of a circle, a triangle, a trapezoid, a rectangle or other irregular polygons.
The utility model discloses a further technical scheme is, when metal, plastics, macromolecular material foil cross-section are triangle-shaped, for equilateral triangle or isosceles triangle, for trapezoidal time, for isosceles trapezoid, for the rectangle, be the square.
The utility model discloses further technical scheme is, spiral armor 3 can also be the right spiral for the left spiral.
The utility model discloses further technical scheme is, spiral armor 3 can adopt two strands and above metal, plastics, macromolecular material foil syntropy spiral winding to form, also can adopt the reverse relative winding of stranded metal, plastics, macromolecular material foil to arrange and form.
The further technical proposal of the utility model is that the space between the two adjacent spiral parts of the spiral armor structure 3 can be adjusted within a certain range during the manufacturing.
The utility model discloses a further technical scheme is, stranded optical cable fibre core 1 with fill and reserve the clearance when in the cavity pipeline that the spiral armor structure encloses, not fill completely, guarantee that the spiral armor cable has certain tensile ability and certain ability of shearing at the laying process.
The further technical proposal of the utility model is that the total wall thickness of the sheath layer 5 is adjustable.
The utility model discloses further technical scheme is, restrictive coating 5 can be made for any one of materials such as resin and polymer.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.