CN218767484U - 8-shaped self-supporting large-span communication optical cable - Google Patents
8-shaped self-supporting large-span communication optical cable Download PDFInfo
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- CN218767484U CN218767484U CN202223392950.2U CN202223392950U CN218767484U CN 218767484 U CN218767484 U CN 218767484U CN 202223392950 U CN202223392950 U CN 202223392950U CN 218767484 U CN218767484 U CN 218767484U
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Abstract
The utility model belongs to the cable field especially relates to a 8 font self-supporting big span communication optical cable, has cable core, suspension wire sheath, suspension wire, muscle and outer jacket, and the outer jacket extrusion molding is outside the cable core, and the muscle is located the outer jacket top, and the suspension wire is located the muscle, and the suspension wire sheath extrusion molding is outside the suspension wire, and outer jacket, muscle and suspension wire sheath integrated into one piece, its characterized in that the cable core comprises at least three subunit, the subunit is 8 font, and two liang of subunit conflict settings; the utility model discloses have simple structure, can big span self-supporting part, tensile strength are strong, the influence that the reinforcement was to the light unit is little.
Description
Technical Field
The utility model belongs to the cable field especially relates to a 8 font self-supporting big span communication optical cable.
Background
At present, optical cables are mainly laid in overhead, direct-buried and pipeline modes. The most common laying mode of the optical cable in the field is aerial laying, and the optical cable can meet various environments such as mountainous areas, flat ground and the like and occupies less resources, so that the optical cable has the advantages of strong environmental adaptability and better economical efficiency, and the aerial laying between the hills and the mountains is the optical cable needing large span.
In the prior art, CN211148999U discloses a novel full-medium self-supporting optical cable, including PE outer jacket and cable core, the cable core sets up the inside at the PE outer jacket, the inner wall fixedly connected with aramid fiber layer of PE outer jacket, the inner wall fixedly connected with inner sheath on aramid fiber layer, the inside packing of inner sheath has the yarn that blocks water, the cable core includes the protective sheath, the inside of protective sheath is provided with the heart yearn, the outside packing of heart yearn has the powder that blocks water, the inside center department of inner sheath is provided with non-metallic reinforcement.
CN216772058U discloses a wear-resistant moisture-proof all-dielectric self-supporting optical cable, which comprises an optical fiber, a loose tube, a tube filler, a nonmetal reinforced outer core, an inner sheath, a cable core filler, an aramid fiber winding belt and an outer sheath, and is characterized in that: the optical fibers are distributed in the loose tube, tube filler is arranged at the gap between the optical fibers and the loose tube, the nonmetal reinforced outer core and the loose tube are both positioned in the inner sheath, cable core filler is arranged at the gap between the nonmetal reinforced outer core and the loose tube, the aramid fiber winding belt is wound on the inner sheath, and the inner sheath is sleeved in the outer sheath; a non-metal reinforced inner core is arranged in the loose tube, and the optical fibers are circumferentially distributed around the non-metal reinforced inner core; the outer side of the aramid fiber winding belt is provided with a temperature resistant layer, and the temperature resistant layer is a glass fiber woven belt.
The above prior art has the following disadvantages: 1. in order to realize large-span transmission, a lot of aramid fibers are needed, and the cost is high; 2. there are no subunits for the laying of branches.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the present invention discloses a 8-shaped self-supporting large-span communication optical cable, which is implemented by the following technical solution.
An 8-shaped self-supporting large-span communication optical cable comprises a cable core, a suspension wire protective layer, a suspension wire, a rib and an outer protective layer, wherein the outer protective layer is extruded outside the cable core;
its characterized in that the cable core comprises at least three subunit, the subunit comprises subunit suspension wire sheath, subunit suspension wire, subunit muscle, subunit outer jacket, at least three pine sleeve pipe and subunit reinforcement, the pine intraductal at least one light unit that is equipped with, all pine sleeve pipes set up around the subunit reinforcement, form the subunit cable core, subunit outer jacket extrusion molding outside the subunit core, the subunit muscle is located subunit outer jacket top, the subunit suspension wire is located subunit muscle top, subunit suspension wire sheath extrusion molding outside the subunit suspension wire, subunit suspension wire sheath, subunit muscle and subunit outer jacket integrated into one piece, both sides wall about the subunit muscle is the arc, and the radius is the same with the radius of subunit suspension wire sheath, along clockwise, the lateral wall of the subunit suspension wire of preceding subunit is hugged closely to the subunit suspension wire sheath of a subunit of back subunit.
The 8-shaped self-supporting large-span communication optical cable is characterized in that a filling rope is further arranged between the outer protecting layers of the subunits of the two adjacent subunits and the outer protecting layers.
The 8-shaped self-supporting large-span communication optical cable is characterized in that a central reinforcing piece is further arranged between the sub-unit suspension wire protective layers of all the sub-units.
The 8-shaped self-supporting large-span communication optical cable is characterized in that an electric unit is further arranged between every two adjacent subunits, the corresponding filling ropes and the corresponding subunit ribs of the subunits.
The 8-shaped self-supporting large-span communication optical cable is characterized in that the filling rope is made of polypropylene.
The 8-shaped self-supporting large-span communication optical cable is characterized in that the electric unit consists of an electric conductor and an insulating layer extruded outside the electric conductor.
The 8-shaped self-supporting large-span communication optical cable is characterized in that the optical unit is an optical fiber or an optical fiber ribbon assembly formed by stacking at least two optical fiber ribbons, and the optical fiber is G.652 type, G.653 type, G.654 type, G.655 type, G.656 type, G.657 type, A1a type, A1b type or A1c type.
The 8-shaped self-supporting large-span communication optical cable is characterized in that the suspension wire is a single steel wire or a stranded steel wire.
The 8-shaped self-supporting large-span communication optical cable is characterized in that the materials of the suspension wire protective layer, the ribs and the outer protective layer are high-density polyethylene or medium-density polyethylene or low-density polyethylene or flame-retardant polyethylene.
The 8-shaped self-supporting large-span communication optical cable is characterized in that the materials of the subunit suspension wire protective layer, the subunit ribs and the subunit outer protective layer are high-density polyethylene or medium-density polyethylene or low-density polyethylene or flame-retardant polyethylene.
The 8-shaped self-supporting large-span communication optical cable is characterized in that the subunit reinforcing member is made of steel wires or glass fiber reinforced plastic rods.
The 8-shaped self-supporting large-span communication optical cable is characterized in that the loose sleeve material is polybutylene terephthalate or modified polypropylene.
The 8-shaped self-supporting large-span communication optical cable is characterized in that the subunit suspension wires are single steel wires or stranded steel wires.
Therefore, the utility model has the advantages of simple structure, can big span self-supporting part, tensile strength are strong, the reinforcement is little to the influence of light unit.
Drawings
Fig. 1 is a schematic perspective view of embodiment 1 of the present invention.
Fig. 2 is a schematic view of the structure of the outer protection layer according to embodiment 1 of the present invention.
Fig. 3 is a schematic view of a three-dimensional structure of a subunit according to embodiment 1 of the present invention.
Fig. 4 is a schematic perspective view of embodiment 2 of the present invention.
Fig. 5 is a schematic perspective view of embodiment 3 of the present invention.
In the figure: 1. the cable comprises a suspension wire protective layer, 2 suspension wires, 3 ribs, 4 outer protective layers, 5 filling ropes, 6 subunits, 61 subunit suspension wire protective layers, 62 subunit suspension wires, 63 subunit ribs, 64 subunit outer protective layers, 65 loose tubes, 66 optical units, 67 subunit reinforcements, 7 central reinforcements and 8 electrical units.
Detailed Description
Example 1
Referring to fig. 4 and fig. 3, an 8-shaped self-supporting large-span communication optical cable includes a cable core, a suspension wire sheath 1, a suspension wire 2, a rib 3 and an outer sheath 4, wherein the outer sheath 4 is extruded outside the cable core, the rib 3 is located above the outer sheath 4, the suspension wire 2 is located above the rib 3, the suspension wire sheath 1 is extruded outside the suspension wire 2, and the outer sheath 4, the rib 3 and the suspension wire sheath 1 are integrally formed;
its characterized in that the cable core comprises four subunit 6, subunit 6 comprises subunit suspension wire sheath 61, subunit suspension wire 62, subunit muscle 63, subunit outer jacket 64, six pine sleeve pipes 65 and subunit reinforcement 67, be equipped with an at least light unit 66 in the pine sleeve pipe 65, six pine sleeve pipes 65 set up around subunit reinforcement 67, form the subunit cable core, subunit outer jacket 64 extrusion molding is outside the subunit cable core, subunit muscle 63 is located subunit outer jacket 64 top, subunit suspension wire 62 is located subunit muscle 63 top, subunit suspension wire sheath 61 extrusion molding is outside subunit suspension wire 62, subunit suspension wire sheath 61, subunit muscle 63 and subunit outer jacket 64 integrated into one piece, subunit muscle 63's the left and right sides wall is the arc, and the radius is the same with subunit suspension wire sheath 61's radius, and along clockwise, the lateral wall of subunit suspension wire 62 of preceding subunit 6 is hugged closely to subunit suspension wire sheath 61 of next subunit 6, and the outer jacket of two adjacent subunit 6 is equipped with between the outer jacket 64 and the 5 ropes.
Example 2
Referring to fig. 4 and fig. 3, an 8-shaped self-supporting large-span communication optical cable includes a cable core, a messenger sheath 1, a messenger 2, ribs 3, and an outer sheath 4, the outer sheath 4 is extruded outside the cable core, the ribs 3 are located above the outer sheath 4, the messenger 2 is located above the ribs 3, the messenger sheath 1 is extruded outside the messenger 2, and the outer sheath 4, the ribs 3, and the messenger sheath 1 are integrally formed;
its characterized in that the cable core comprises five subunits 6, subunit 6 comprises subunit suspension wire sheath 61, subunit suspension wire 62, subunit muscle 63, subunit outer jacket 64, six pine sleeve pipes 65 and subunit reinforcement 67, be equipped with an at least light unit 66 in the pine sleeve pipe 65, six pine sleeve pipes 65 set up around subunit reinforcement 67, form the subunit cable core, subunit outer jacket 64 extrudes outside the subunit cable core, subunit muscle 63 is located subunit outer jacket 64 top, subunit suspension wire 62 is located subunit muscle 63 top, subunit suspension wire sheath 61 extrudes outside subunit suspension wire 62, subunit suspension wire sheath 61, subunit muscle 63 and subunit outer jacket 64 integrated into one piece, subunit muscle 63's the left and right sides wall is the arc, and the radius is the same with subunit suspension wire sheath 61's radius, along clockwise, the lateral wall of subunit suspension wire 62 of preceding subunit 6 is hugged closely to subunit suspension wire sheath 61 of next subunit 6, the subunit suspension wire sheath of two adjacent subunits 6 is equipped with between the outer jacket 64 and the subunit suspension wire sheath 4, and the reinforcing piece of 5 still is equipped with a suspension wire between the subunit 6 central reinforcing piece.
Example 3
Referring to fig. 5 and fig. 3, an 8-shaped self-supporting large-span communication optical cable includes a cable core, a suspension wire sheath 1, a suspension wire 2, a rib 3 and an outer sheath 4, wherein the outer sheath 4 is extruded outside the cable core, the rib 3 is located above the outer sheath 4, the suspension wire 2 is located above the rib 3, the suspension wire sheath 1 is extruded outside the suspension wire 2, and the outer sheath 4, the rib 3 and the suspension wire sheath 1 are integrally formed;
its characterized in that the cable core comprises five subunits 6, subunit 6 comprises subunit suspension wire sheath 61, subunit suspension wire 62, subunit muscle 63, subunit outer jacket 64, six pine sleeve pipes 65 and subunit reinforcement 67, be equipped with an at least light unit 66 in the pine sleeve pipe 65, six pine sleeve pipes 65 set up around subunit reinforcement 67, form the subunit cable core, subunit outer jacket 64 extrusion molding is outside the subunit cable core, subunit muscle 63 is located subunit outer jacket 64 top, subunit suspension wire 62 is located subunit muscle 63 top, subunit suspension wire sheath 61 extrusion molding is outside subunit suspension wire 62, subunit suspension wire sheath 61, subunit muscle 63 and subunit outer jacket 64 integrated into one piece, subunit muscle 63's the left and right sides wall is the arc, and the radius is the same with subunit suspension wire sheath 61's radius, along clockwise, the subunit suspension wire sheath 61 of back subunit 6 hugs the lateral wall of subunit suspension wire 62 of preceding subunit 6 hugs, the subunit suspension wire sheath of two adjacent subunits 6 reaches subunit suspension wire sheath 61 and is equipped with between the corresponding two outer jacket wires 64, 5 still the suspension wire central reinforcing units of a filling rope 6, still is equipped with a filling rope 8 between two subunit 6, subunit 6.
The 8-shaped self-supporting large-span communication optical cable according to any embodiment is characterized in that the filling rope 5 is made of polypropylene.
The 8-shaped self-supporting large-span communication optical cable is characterized in that the electric unit 8 is composed of an electric conductor and an insulating layer extruded outside the electric conductor.
An 8-shaped self-supporting large-span optical communication cable according to any of the above embodiments, wherein the optical unit 66 is an optical fiber or an optical fiber ribbon assembly formed by stacking at least two optical fiber ribbons, and the optical fiber type is g.652 type, g.653 type, g.654 type, g.655 type, g.656 type, g.657 type, A1a type, A1b type or A1c type.
The 8-shaped self-supporting large-span communication optical cable in any embodiment is characterized in that the suspension wire 2 is a single steel wire or a stranded steel wire.
The 8-shaped self-supporting large-span communication optical cable in any embodiment is characterized in that the materials of the suspension wire protective layer 1, the ribs 3 and the outer protective layer 4 are high-density polyethylene or medium-density polyethylene or low-density polyethylene or flame-retardant polyethylene.
The 8-shaped self-supporting large-span communication optical cable according to any embodiment is characterized in that the materials of the subunit suspension wire protective layer 61, the subunit ribs 63 and the subunit outer protective layer 64 are high-density polyethylene or medium-density polyethylene or low-density polyethylene or flame-retardant polyethylene.
The 8-shaped self-supporting large-span optical communication cable according to any of the above embodiments, wherein the subunit strength members 67 are made of steel wires or glass fiber reinforced plastic rods.
The 8-shaped self-supporting large-span communication optical cable according to any embodiment is characterized in that the loose tube 65 is made of polybutylene terephthalate or modified polypropylene.
The 8-shaped self-supporting large-span communication optical cable according to any of the above embodiments is characterized in that the sub-unit suspension wires 62 are single steel wires or stranded steel wires.
In the application, a plurality of 8-shaped subunits 6 are arranged around one center, and all the subunit suspension wires 62 are combined to be used as a reinforcing piece, so that the optical cable has stronger tensile strength and can realize large-span wiring; the sub-unit suspension wires 62 of each sub-unit 6 are abutted against the corresponding sub-unit ribs 63 of the other sub-unit 6 to form a mutually abutted and relatively fixed structure, and the force of the sub-unit suspension wires 62 of each sub-unit 6 acts on the corresponding sub-unit ribs 63 of the other sub-unit 6, so that the signal transmission of the optical unit 66 is not influenced.
The outer protective layer 4 of one section can be stripped, and the sub-units 6 in the inner part are taken as branch units and can be wired in a self-supporting mode respectively.
The above-mentioned embodiments are merely preferred technical solutions of the present invention, and should not be construed as limitations of the present invention. The protection scope of the present invention shall be defined by the claims and the technical solutions described in the claims, including the technical features of the equivalent alternatives as the protection scope. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.
Claims (10)
1. An 8-shaped self-supporting large-span communication optical cable is provided with a cable core, a suspension wire protective layer (1), suspension wires (2), ribs (3) and an outer protective layer (4), wherein the outer protective layer (4) is extruded outside the cable core, the ribs (3) are positioned above the outer protective layer (4), the suspension wires (2) are positioned above the ribs (3), the suspension wire protective layer (1) is extruded outside the suspension wires (2), and the outer protective layer (4), the ribs (3) and the suspension wire protective layer (1) are integrally formed;
its characterized in that the cable core comprises three at least subunit (6), subunit (6) comprise subunit suspension wire sheath (61), subunit suspension wire (62), subunit muscle (63), subunit outer jacket (64), at least three pine sleeve pipe (65) and subunit reinforcement (67), be equipped with at least one light unit (66) in pine sleeve pipe (65), all pine sleeve pipes (65) set up around subunit reinforcement (67), form the subunit cable core, subunit outer jacket (64) extrusion molding is outside the subunit cable core, subunit muscle (63) are located subunit outer jacket (64) top, subunit suspension wire (62) are located subunit muscle (63) top, subunit suspension wire sheath (61) extrusion molding is outside subunit suspension wire (62), subunit suspension wire sheath (61), subunit muscle (63) and subunit outer jacket (64) integrated into one piece, the left and right sides wall muscle (63) of subunit both sides wall is the arc, and with subunit suspension wire sheath (61) radius, the same direction along the clockwise lateral wall of subunit suspension wire (6) of subunit suspension wire (61), the lateral wall (61) of subunit suspension wire (6) is hugged closely along the same direction of subunit suspension wire (6) before subunit suspension wire (6).
2. A 8-shaped self-supporting large-span optical communication cable according to claim 1, wherein a filling rope (5) is further provided between the outer sheath (64) and the outer sheath (4) of the two adjacent subunits (6).
3. A figure-8 self-supporting large span telecommunication cable according to claim 2, wherein a central strength member (7) is further provided between the covering layers (61) of the sub-units of all the sub-units (6).
4. An 8-shaped self-supporting large-span optical communication cable according to claim 3, characterized in that an electrical unit (8) is further provided between two adjacent subunits (6), the corresponding filling ropes (5) and the corresponding subunit ribs (63) of the subunits (6).
5. A8-shaped self-supporting large-span optical communication cable according to claim 4, characterized in that the material of said filling rope (5) is polypropylene.
6. A letter 8 self-supporting large span optical communication cable according to claim 5, characterized in that said electrical unit (8) is constituted by an electrical conductor and an insulating layer extruded outside the electrical conductor.
7. The optical communication cable of claim 6, wherein the optical units (66) are optical fibers or optical fiber ribbons or optical fiber ribbon combinations formed by stacking at least two optical fiber ribbons, and the optical fiber types are G.652 type, G.653 type, G.654 type, G.655 type, G.656 type, G.657 type, A1a type, A1b type or A1c type.
8. A8-shaped self-supporting large-span optical communication cable according to claim 7, wherein said suspension wire (2) is a single steel wire or a twisted steel wire.
9. The 8-shaped self-supporting large-span communication optical cable according to claim 8, wherein the materials of the messenger sheath (1), the ribs (3) and the outer sheath (4) are high-density polyethylene or medium-density polyethylene or low-density polyethylene or flame-retardant polyethylene.
10. The 8-shaped self-supporting large-span communication optical cable according to claim 9, wherein the materials of the subunit suspension wire sheath (61), the subunit ribs (63) and the subunit outer sheath (64) are all high-density polyethylene or medium-density polyethylene or low-density polyethylene or flame-retardant polyethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223392950.2U CN218767484U (en) | 2022-12-19 | 2022-12-19 | 8-shaped self-supporting large-span communication optical cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223392950.2U CN218767484U (en) | 2022-12-19 | 2022-12-19 | 8-shaped self-supporting large-span communication optical cable |
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| CN218767484U true CN218767484U (en) | 2023-03-28 |
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| CN202223392950.2U Active CN218767484U (en) | 2022-12-19 | 2022-12-19 | 8-shaped self-supporting large-span communication optical cable |
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