CN111799022A - Three-core submarine cable filling strip and design method thereof - Google Patents
Three-core submarine cable filling strip and design method thereof Download PDFInfo
- Publication number
- CN111799022A CN111799022A CN202010600506.1A CN202010600506A CN111799022A CN 111799022 A CN111799022 A CN 111799022A CN 202010600506 A CN202010600506 A CN 202010600506A CN 111799022 A CN111799022 A CN 111799022A
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- arc edge
- optical cable
- cable clamping
- clamping ring
- edge
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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
- H01B7/1895—Internal space filling-up means
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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
- H01B7/14—Submarine cables
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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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/005—Power cables including optical transmission elements
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- Electric Cable Installation (AREA)
- Cable Accessories (AREA)
Abstract
The invention discloses a three-core submarine cable filling strip, which comprises a filling rod and a filling rod, wherein the filling rod is provided with a plurality of through holes; the two ends of the outer arc edge are symmetrically connected with an inner arc edge, and the two ends of the inner arc edge, which are not connected with the outer arc edge, are connected with each other; an optical cable clamping ring is arranged at the joint of the two inner arc edges, and an optical cable clamping hole is formed in the optical cable clamping ring; the inner wall of the outer arc edge, the inner walls of the two inner arc edges and the outer wall of the optical cable clamping ring form a hollow hole, and the inner wall of the outer arc edge, the inner walls of the two inner arc edges and the optical cable clamping ring form a filling strip body. Through the mode, the filling strip manufactured by the design method is simple in structure, adopts a hollow structure, saves cost, reduces the weight of the submarine cable, is beneficial to transportation and laying of the submarine cable, is good in universality of the arranged optical cable holes, and facilitates assembly and disassembly of the optical cable.
Description
Technical Field
The invention relates to the field of power cables, in particular to a three-core submarine cable filling strip and a design method thereof.
Background
The submarine cable is one of important equipment of submarine power transmission engineering, is a product with highest requirements on comprehensive electrical and mechanical properties in a power cable, is the most difficult and highest technical requirement power transmission engineering, is a large-scale comprehensive engineering with the highest difficulty and the highest complexity, is recognized by all countries in the world, is far higher than other cable products in design, manufacture, transportation, laying and maintenance, and has special requirements on cable length, cable joint performance and cable service life.
The submarine cable of the existing submarine band optical cable generally uses a molding filling strip, the filling strip for the submarine cable is subjected to secondary processing by adopting returned materials, the surface is not smooth, the single weight is large, the strength is low, resources are wasted, and the manufacturing cost is increased.
Disclosure of Invention
The invention mainly solves the technical problem of providing the three-core submarine cable filling strip and the design method thereof, which can reduce the weight of a submarine cable and are beneficial to the transportation and laying of the submarine cable.
In order to solve the technical problems, the invention adopts a technical scheme that: a three-core submarine cable filler strip, comprising;
the two ends of the outer arc edge are symmetrically connected with an inner arc edge, and the two ends of the inner arc edge, which are not connected with the outer arc edge, are connected with each other;
an optical cable clamping ring is arranged at the joint of the two inner arc edges, and an optical cable clamping hole is formed in the optical cable clamping ring;
the inner wall of the outer arc edge, the inner walls of the two inner arc edges and the outer wall of the optical cable clamping ring form a hollow hole, and the inner wall of the outer arc edge, the inner walls of the two inner arc edges and the optical cable clamping ring form a filling strip body.
In a preferred embodiment of the present invention, two reinforcing ribs are installed in the hollow hole, and the reinforcing ribs are respectively connected with the outer arc edge and the inner arc edge.
In a preferred embodiment of the present invention, two of the reinforcing ribs are symmetrically located on two sides of the cable clamping ring in parallel.
A design method of a three-core submarine cable filling strip comprises the following specific steps
1) Obtaining the radius R of the outer arc according to the formula (1)2；
Wherein R is1The radius of the polyethylene sheath which is attached to the single wire core is the inner arc edge;
2) an opening theta is formed in the optical cable clamping hole, and the inner diameter R of the optical cable clamping hole is automatically set according to the technological parameter condition of the submarine cable3；
3) Determining the thickness H of the outer circular arc edge and the inner circular arc edge;
4) the outer side edge of the filling strip body is provided with a chamfer R, the inner side edge of the filling strip body is provided with a chamfer R, and R = R/2;
5) two reinforcing ribs are arranged in the hollow hole.
In a preferred embodiment of the present invention, the size of the opening θ is 60 °.
In a preferred embodiment of the invention, the cable-clamping hole has an inner diameter R3=8mm。
In a preferred embodiment of the present invention, the thickness H of the outer circular arc edge and the inner circular arc edge is equal to or larger than 5 mm.
In a preferred embodiment of the invention, said chamfer R =8 mm.
The invention has the beneficial effects that: the filling strip manufactured by the design method is simple in structure, adopts a hollow structure, saves cost, reduces the weight of the submarine cable, is beneficial to transportation and laying of the submarine cable, and is good in universality of the arranged optical cable holes and convenient for loading and unloading of the optical cable.
Drawings
Fig. 1 is a front view of a three-core sea cable filler strip.
Fig. 2 is a schematic view of the installation of a three-core submarine cable filler strip.
The parts in the drawings are numbered as follows: 1. an outer arc edge; 2. an inner arc edge; 3. an optical cable clamping ring; 4. an optical cable clamping hole; 5. a filler strip body; 6. reinforcing ribs; 7. an outer jacket; 8. a polyethylene jacket; 9. a hollow bore.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.
Referring to fig. 1 and 2, a three-core submarine cable filler strip includes;
the outer circular arc edge 1 is symmetrically connected with an inner circular arc edge 2 at two ends of the outer circular arc edge 1, the inner circular arc edge 2 is connected with two ends of the outer circular arc edge 1, which are not connected with each other, the outer circular arc edge 1 is used for being attached to an outer sheath 7, and a supporting effect is achieved.
The inner arc edge 2 is used for being attached to a polyethylene sheath 8 of a single wire core on the inner side.
An optical cable clamping ring 3 is arranged at the joint of the two inner arc edges 2, an optical cable clamping hole 4 is formed in the optical cable clamping ring 3, and the optical cable clamping hole 4 is used for fixing an optical cable.
The inner wall of the outer arc edge 1, the inner walls of the inner arc edges 2 and the outer wall of the optical cable clamping ring 3 are enclosed to form a hollow hole 9, the hollow hole 9 not only saves cost, but also enables the filling strip to be light in weight, reduces the weight of the whole submarine cable, and is beneficial to the transportation and laying of the submarine cable.
The inner wall of the outer arc edge 1, the inner walls of the two inner arc edges 2 and the optical cable clamping ring 3 form a filling strip body 5.
Two reinforcing ribs 6 are arranged in the hollow hole 9, the reinforcing ribs 6 are respectively connected with the outer arc edge 1 and the inner arc edge 2, the two reinforcing ribs 6 are symmetrically arranged on two sides of the optical cable clamping ring 3 in parallel, and the two reinforcing ribs 6 are used for bearing the radial force of the cable.
A design method of a three-core submarine cable filling strip comprises the following specific steps
1) Obtaining the radius R of the outer arc according to the formula (1)2；
Wherein R is1The inner arc edge 2 is attached to the radius of the polyethylene sheath 8 of the single wire core.
2) An opening theta is formed in the optical cable clamping hole 4, the size of the opening theta is 60 degrees, and the opening is convenient for installation of an optical cable.
And automatically setting the inner diameter R of the optical cable clamping hole 4 according to the technical parameter condition of the submarine cable3Inner diameter R of the optical cable clamping hole 43And the inner diameter of 8mm can meet the requirement of all optical cables on the market.
3) And determining the thicknesses H of the outer circular arc edge 1 and the inner circular arc edge 2, wherein the thicknesses H of the outer circular arc edge 1 and the inner circular arc edge 2 are not less than 5 mm.
4) Chamfer R has been seted up to 5 outside edges of packing strip body, chamfer R =8mm, chamfer R is used for avoiding 5 fish tails of packing strip body outside sheath 7.
The inside edge of filler strip body 5 has seted up chamfer R, and R = R/2, R =4 mm.
5) Two reinforcing ribs 6 are arranged in the hollow hole 9, and the two reinforcing ribs 6 are used for bearing the radial force of the cable.
Compared with the prior art, the three-core submarine cable filling strip and the design method thereof have the advantages that the filling strip manufactured by the design method is simple in structure, the hollow structure is adopted, the cost is saved, the weight of a submarine cable is reduced, the submarine cable is convenient to transport and lay, the universality of the arranged optical cable holes is good, and the optical cable is convenient to mount and dismount.
In the description of the present invention, it should be noted that all the components are general standard components or components known to those skilled in the art, the structure and principle of the components can be known by technical manuals or by conventional test methods, and the terms "upper", "lower", "left", "right", "inner", "outer", and the like indicate the orientations or positional relationships based on the drawings or the orientations or positional relationships usually placed when the product of the present invention is used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or the component referred to must have a specific orientation, be configured and operated in a specific orientation, and thus cannot be understood as limiting the present invention.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. A three-core submarine cable filler strip is characterized by comprising;
the two ends of the outer arc edge are symmetrically connected with an inner arc edge, and the two ends of the inner arc edge, which are not connected with the outer arc edge, are connected with each other;
an optical cable clamping ring is arranged at the joint of the two inner arc edges, and an optical cable clamping hole is formed in the optical cable clamping ring;
the inner wall of the outer arc edge, the inner walls of the two inner arc edges and the outer wall of the optical cable clamping ring form a hollow hole, and the inner wall of the outer arc edge, the inner walls of the two inner arc edges and the optical cable clamping ring form a filling strip body.
2. The filler strip of claim 1, wherein two reinforcing ribs are installed in the hollow hole, and the reinforcing ribs are respectively connected to the outer arc edge and the inner arc edge.
3. The three-core submarine cable filler strip according to claim 2, wherein two reinforcing ribs are symmetrically located on two sides of the cable clamping ring in parallel.
4. The design method of the three-core submarine cable filler strip according to claim 1, comprising the following specific steps
1) Obtaining the radius R of the outer arc according to the formula (1)2；
Wherein R is1The radius of the polyethylene sheath which is attached to the single wire core is the inner arc edge;
2) an opening theta is formed in the optical cable clamping hole, and the inner diameter R of the optical cable clamping hole is automatically set according to the technological parameter condition of the submarine cable3；
3) Determining the thickness H of the outer circular arc edge and the inner circular arc edge;
4) the outer side edge of the filling strip body is provided with a chamfer R, the inner side edge of the filling strip body is provided with a chamfer R, and R = R/2;
5) two reinforcing ribs are arranged in the hollow hole.
5. The method of claim 4, wherein the size of the opening θ is 60 °.
6. The sea cable filler strip as claimed in claim 4, wherein the cable clamping hole has an inner diameter R3=8mm。
7. The three-core submarine cable filler strip according to claim 4, wherein the thickness H of the outer circular arc and the inner circular arc is greater than or equal to 5 mm.
8. The three-core submarine cable filler rod according to claim 4, wherein said chamfer angle R =8 mm.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010600506.1A CN111799022A (en) | 2020-06-29 | 2020-06-29 | Three-core submarine cable filling strip and design method thereof |
| PCT/CN2021/100527 WO2022001678A1 (en) | 2020-06-29 | 2021-06-17 | Three-core submarine cable filling strip and design method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010600506.1A CN111799022A (en) | 2020-06-29 | 2020-06-29 | Three-core submarine cable filling strip and design method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111799022A true CN111799022A (en) | 2020-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010600506.1A Pending CN111799022A (en) | 2020-06-29 | 2020-06-29 | Three-core submarine cable filling strip and design method thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111799022A (en) |
| WO (1) | WO2022001678A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022001678A1 (en) * | 2020-06-29 | 2022-01-06 | 江苏亨通高压海缆有限公司 | Three-core submarine cable filling strip and design method therefor |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201229428Y (en) * | 2008-07-25 | 2009-04-29 | 宁波东方电缆股份有限公司 | Filling strip special for photoelectric composite submarine cable |
| CN202996412U (en) * | 2012-12-21 | 2013-06-12 | 中天科技海缆有限公司 | Ultrahigh-voltage crosslinking polyethylene insulated flexible direct-current fiber composite submarine cable |
| CN107871557A (en) * | 2016-09-27 | 2018-04-03 | 上海飞航电线电缆有限公司 | A kind of optoelectronic composite cable and its manufacture method and application |
| CN207966522U (en) * | 2018-03-22 | 2018-10-12 | 中天科技海缆有限公司 | A kind of multi-core submarine cable packing |
| CN209418181U (en) * | 2019-03-21 | 2019-09-20 | 无锡市恒龙电缆材料有限公司 | Photoelectric composite submarine cable packing |
| CN209418177U (en) * | 2019-03-23 | 2019-09-20 | 无锡市恒龙电缆材料有限公司 | High-intensitive submarine cable fills assembly |
| CN209418186U (en) * | 2019-03-23 | 2019-09-20 | 无锡市恒龙电缆材料有限公司 | Novel seabed cable filler strip |
| CN209515236U (en) * | 2019-04-08 | 2019-10-18 | 宁波东方电缆股份有限公司 | A kind of packing for sea cable |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO323941B1 (en) * | 2005-09-05 | 2007-07-23 | Nexans | power Cable |
| CN111799022A (en) * | 2020-06-29 | 2020-10-20 | 江苏亨通高压海缆有限公司 | Three-core submarine cable filling strip and design method thereof |
-
2020
- 2020-06-29 CN CN202010600506.1A patent/CN111799022A/en active Pending
-
2021
- 2021-06-17 WO PCT/CN2021/100527 patent/WO2022001678A1/en active Application Filing
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201229428Y (en) * | 2008-07-25 | 2009-04-29 | 宁波东方电缆股份有限公司 | Filling strip special for photoelectric composite submarine cable |
| CN202996412U (en) * | 2012-12-21 | 2013-06-12 | 中天科技海缆有限公司 | Ultrahigh-voltage crosslinking polyethylene insulated flexible direct-current fiber composite submarine cable |
| CN107871557A (en) * | 2016-09-27 | 2018-04-03 | 上海飞航电线电缆有限公司 | A kind of optoelectronic composite cable and its manufacture method and application |
| CN207966522U (en) * | 2018-03-22 | 2018-10-12 | 中天科技海缆有限公司 | A kind of multi-core submarine cable packing |
| CN209418181U (en) * | 2019-03-21 | 2019-09-20 | 无锡市恒龙电缆材料有限公司 | Photoelectric composite submarine cable packing |
| CN209418177U (en) * | 2019-03-23 | 2019-09-20 | 无锡市恒龙电缆材料有限公司 | High-intensitive submarine cable fills assembly |
| CN209418186U (en) * | 2019-03-23 | 2019-09-20 | 无锡市恒龙电缆材料有限公司 | Novel seabed cable filler strip |
| CN209515236U (en) * | 2019-04-08 | 2019-10-18 | 宁波东方电缆股份有限公司 | A kind of packing for sea cable |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022001678A1 (en) * | 2020-06-29 | 2022-01-06 | 江苏亨通高压海缆有限公司 | Three-core submarine cable filling strip and design method therefor |
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| Publication number | Publication date |
|---|---|
| WO2022001678A1 (en) | 2022-01-06 |
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Application publication date: 20201020 |