CN110673286A - Splicing assembly and splicing method for para-aramid fault - Google Patents
Splicing assembly and splicing method for para-aramid fault Download PDFInfo
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- CN110673286A CN110673286A CN201911061604.6A CN201911061604A CN110673286A CN 110673286 A CN110673286 A CN 110673286A CN 201911061604 A CN201911061604 A CN 201911061604A CN 110673286 A CN110673286 A CN 110673286A
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- hose
- aramid
- fastening
- fault
- damaged
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The invention provides a splicing assembly of a para-aramid fault and a splicing method thereof, and relates to the technical field of para-aramid fault splicing. The invention comprises a hose (201) closely attached to a para-aramid fault, a first fastening ring (202) and a second fastening ring (203) for hooping a connection part, and a tubular coating (204) arranged outside the hose (201); the two ends of the hollow hose (201) are respectively provided with a first outer zone (205) and a second outer zone (211) for nesting aramid fibers at a fault, and the fiber direction of continuous aramid fibers (3) placed in the intermediate body (208) is consistent with the axial direction of the hose (201). Compared with the prior art, the hose (201) cannot damage aramid fibers, and the hose (201) is made of an elastic material, is easy to deform and can be pre-tightened and compressed; the broken ends of the two sections of damaged aramid fibers and the end part of the middle continuous aramid fiber are overlapped in a staggered manner and are hooped tightly, so that the strength of the damaged part after connection is maintained; simple structure and easy operation.
Description
Technical Field
The invention relates to the technical field of para-aramid fault connection, in particular to a connection assembly of a para-aramid fault and a connection method thereof.
Background
The para-aramid fiber is a novel high-tech synthetic fiber, has the excellent performances of ultrahigh strength, high modulus, high temperature resistance, acid and alkali resistance, light weight, insulation, aging resistance, long life cycle and the like, and is widely applied to the fields of composite materials, bulletproof products, building materials, special protective clothing, electronic equipment and the like.
When the para-aramid fiber is applied, the phenomenon of breakage and fault can occur, so that the expected performance is greatly reduced; for example, a para-aramid fiber layer is used in the cladding and reinforcement of the optical cable, generally, a buffer protection layer is arranged on the outer layer of the optical fiber core, an aramid fiber reinforced layer is arranged outside the buffer protection layer, and a sheath is arranged outside the aramid fiber reinforced layer, wherein the aramid fiber reinforced layer mainly has a reinforcing effect, and is excellent in ageing resistance and light in weight. However, in the transportation or construction process of the optical cable, the scratch easily causes the damage of the external sheath, the aramid fiber reinforced layer has excellent performances, the internal buffer protective layer and the optical fiber core are generally not damaged, and the aramid fiber reinforced layer may have local faults, so that the protective performance of the optical cable at the position is reduced.
Disclosure of Invention
The invention provides a connection assembly and a connection method for a para-aramid fault, which are used for treating, repairing and reinforcing the aramid fault and solving the technical problem.
The specific technical scheme is a subassembly that continues of para-aramid fault includes: the hose is tightly attached to the para-aramid fault, the first fastening ring and the second fastening ring are used for hooping the connection part, and the tubular coating is arranged outside the hose;
the hose is hollow and tubular, a first outer zone and a second outer zone which are used for nesting aramid fibers at a fault are respectively arranged at two ends of the hose, an intermediate body with continuous aramid fibers is arranged in the middle of the hose, the fiber direction of the continuous aramid fibers is consistent with the axial direction of the hose, and the inner diameter of the intermediate body is larger than the inner diameters of the first outer zone and the second outer zone;
the first fastening area is positioned between the first outer area and the intermediate body, the outside of the first fastening area is an inwards-concave first clamping ring groove, and the inside of the first fastening area is provided with strip-shaped bulges and strip-shaped grooves which are distributed at intervals; the first guide area is connected with the first fastening area and the middle body;
the second fastening area is located between the second outer area and the intermediate body, the second clamping ring groove which is inwards recessed is arranged outside the second fastening area, the strip-shaped bulges and the strip-shaped grooves are distributed alternately inside the second fastening area, and the second guide area is connected with the second fastening area and the intermediate body.
Further, the width of the first fastening ring is equal to that of the first clamping ring groove; the width of the second fastening ring is equal to the width of the second snap ring groove.
Further, the outer diameter at the intermediate body of the hose is equal to the inner diameter of the coating layer.
A connection method of a connection assembly applying a para-aramid fault comprises the following steps:
s1, determining a damaged part of the aramid fiber reinforced layer on the optical cable, and cleaning the first damaged end and the second damaged end to enable fractures of the first damaged end and the second damaged end to be flush;
s2, measuring the length of the damaged part, and preparing continuous aramid fibers with the length 2-5 times that of the damaged part;
s3, overlapping the aramid fiber exposed at the first damaged end and one end of the continuous aramid fiber in a staggered manner, embedding and pressing the aramid fiber into the hose until the staggered position of the end part of the continuous aramid fiber is located in a first fastening area, and installing a first fastening ring at a first clamping ring groove for pre-fastening;
s4, embedding the aramid fiber exposed at the second damaged end into the hose and overlapping the aramid fiber exposed at the second damaged end with the other end of the continuous aramid fiber in the hose in a staggered manner, wherein the staggered position is located in a second fastening area, and a second fastening ring is installed at a second clamping ring groove and is pre-fastened;
and S5, prepressing the coating from the middle to two ends, hooping the first fastening ring and the second fastening ring, and finally hooping the coating.
Compared with the prior art, the hose does not damage aramid fibers, is made of an elastic material and is easy to deform, and can be pre-tightened and compressed; the broken ends of the two sections of damaged aramid fibers and the end part of the middle continuous aramid fiber are overlapped in a staggered manner and are hooped tightly, so that the strength of the damaged part after connection is maintained; simple structure and easy operation.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic view of a fiber optic cable configuration;
FIG. 2 is a schematic view of a damaged portion of a fiber optic cable;
FIG. 3 is a schematic diagram of a connection set-up in one embodiment;
FIG. 4 is a left side view of successive components in one embodiment;
FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;
FIG. 6 is a schematic view of the construction of a hose according to one embodiment;
FIG. 7 is a schematic view of a splice assembly in use in a para-aramid fault in one embodiment;
FIG. 8 is a front view of a splice assembly in use in a para-aramid fault in one embodiment;
FIG. 9 is a half sectional view B-B of FIG. 8;
fig. 10 is a partial enlarged view of fig. 9 at C.
Description of reference numerals:
1. optical cable 2, connecting component 3, connecting aramid fiber;
101. the optical fiber comprises an optical fiber core 102, a buffer layer 103, an aramid fiber reinforced layer 104, an outer sheath 105 and intact parts; 106. a first damaged end 107, a second damaged end 108, a damaged portion;
201. hose, 202, first fastening ring, 203, second fastening ring, 204, cladding, 205, first outer zone, 206, first fastening zone, 207, first guiding zone, 208, intermediate, 209, second guiding zone, 210, second fastening zone, 211, second outer zone, 212, first snap ring groove, 213, second snap ring groove, 214, protrusion, 215, groove.
Detailed Description
The following description of the embodiments of the present invention refers to the accompanying drawings and examples:
it should be noted that the structures, proportions, sizes, and other dimensions shown in the drawings and described in the specification are only for the purpose of understanding and reading the present disclosure, and are not intended to limit the scope of the present disclosure, which is defined by the following claims, and all modifications, proportions, changes, and variations of the structures, and dimensions which are within the scope of the present disclosure are not to be considered as limiting the present disclosure.
In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
Referring to fig. 1-10, a splicing assembly 2 for a para-aramid fault, comprising: a hose 201 closely attached to the para-aramid fault, a first fastening ring 202 and a second fastening ring 203 for fastening the connection part, and a tubular coating 204 arranged outside the hose 201;
the hose 201 is hollow and tubular, a first outer zone 205 and a second outer zone 211 used for nesting aramid fibers at a fault are respectively arranged at two ends of the hose 201, an intermediate 208 for placing continuous aramid fibers 3 in an inner cavity is arranged in the middle of the hose 201, the fiber direction of the continuous aramid fibers 3 is consistent with the axial direction of the hose 201, and the inner diameter of the intermediate 208 is larger than the inner diameters of the first outer zone 205 and the second outer zone 211; the first fastening area 206 is located between the first outer area 205 and the middle body 208, the outside of the first fastening area 206 is an inwardly concave first snap ring groove 212, and the inside of the first fastening area 206 is strip-shaped protrusions 214 and strip-shaped grooves 215 which are alternately distributed; a first guiding zone 207 connects the first fastening zone 206 with the central body 208; the second fastening region 210 is located between the second outer region 211 and the middle body 208, the second fastening region 210 is externally provided with a second snap ring groove 213 which is concave inwards, the second fastening region 210 is internally provided with strip-shaped protrusions 214 and strip-shaped grooves 215 which are distributed alternately, and the second guide region 209 is connected with the second fastening region 210 and the middle body 208.
The width of the first fastening ring 202 is equal to the width of the first snap ring groove 212; the width of the second fastening ring 203 is equal to the width of the second snap ring groove 213. The outer diameter at the central body 208 of the hose 201 is equal to the inner diameter of the coating 204.
In the optical cable 1, the optical fiber core 101 is arranged in the middle of the optical cable of the intact part 105, the buffer layer 102 is coated outside the optical fiber core 101, the buffer layer 102 is generally made of rubber, the aramid fiber reinforced layer 103 is reinforced outside the buffer layer 102, and the outer sheath 104 is coated outside the aramid fiber reinforced layer 103. When the outer sheath 104 is damaged, part of the aramid fiber reinforced layer 103 is damaged and the inner part of the buffer layer 102 is intact, and the aramid fiber reinforced layer 103 is connected under the condition.
A connection method of a connection assembly applying a para-aramid fault comprises the following steps:
s1, determining the damaged part 108 of the aramid fiber reinforced layer 103 on the optical cable 1, and cleaning the first damaged end 106 and the second damaged end 107 to enable the fractures of the first damaged end 106 and the second damaged end 107 to be flush;
s2, measuring the length of the damaged part 108, and preparing the continuous aramid fiber 3 with the length 2-5 times that of the damaged part 108;
s3, overlapping the aramid fiber exposed at the first damaged end 106 and one end of the continuous aramid fiber 3 in a staggered manner, embedding and pressing the aramid fiber into the hose 201 until the staggered position of the end part of the continuous aramid fiber 3 is located in the first fastening area 206, and installing the first fastening ring 202 at the first clamping ring groove 212 for pre-fastening;
s4, embedding the aramid fiber exposed at the second damaged end 107 into the hose 201 and overlapping the aramid fiber exposed at the second damaged end with the other end of the continuous aramid fiber 3 in the hose 201 in a staggered manner, wherein the staggered position is located in a second fastening area 210, and a second fastening ring 203 is installed at a second clamping ring groove 213 and is pre-fastened;
s5, the coating 204 is preloaded from the middle to both ends, the first fastening ring 202 and the second fastening ring 203 are tightened, and finally the coating 204 is tightened.
Many other changes and modifications can be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not to be limited to the specific embodiments, but only by the scope of the appended claims.
Claims (4)
1. A connection component for a para-aramid fault is characterized in that,
the method comprises the following steps: the pipe comprises a hose (201) closely attached to a para-aramid fault, a first fastening ring (202) and a second fastening ring (203) for hooping a connection part, and a tubular coating (204) arranged outside the hose (201);
the hose (201) is hollow and tubular, a first outer zone (205) and a second outer zone (211) which are used for nesting aramid fibers at a fault are respectively arranged at two ends of the hose (201), an intermediate (208) of continuous aramid fibers (3) is placed in the middle of the hose (201), the fiber direction of the continuous aramid fibers (3) is consistent with the axial direction of the hose (201), and the inner diameter of the intermediate (208) is larger than the inner diameters of the first outer zone (205) and the second outer zone (211);
the first fastening area (206) is positioned between the first outer area (205) and the middle body (208), the outer part of the first fastening area (206) is an inwards concave first clamping ring groove (212), and the inner part of the first fastening area (206) is provided with strip-shaped bulges (214) and strip-shaped grooves (215) which are distributed at intervals; a first guide zone (207) connecting the first fastening zone (206) with the intermediate body (208);
the second fastening area (210) is located between the second outer area (211) and the middle body (208), the outer portion of the second fastening area (210) is an inward-concave second clamping ring groove (213), the inner portion of the second fastening area (210) is provided with strip-shaped protrusions (214) and strip-shaped grooves (215) which are distributed at intervals, and the second guide area (209) is connected with the second fastening area (210) and the middle body (208).
2. A splice assembly for para-aramid fault sections as claimed in claim 1 wherein the width of the first fastening ring (202) is equal to the width of the first snap-ring groove (212); the width of the second fastening ring (203) is equal to the width of the second snap ring groove (213).
3. A splice assembly for para-aramid fault as claimed in claim 1 wherein the outer diameter at the intermediate body (208) of the hose (201) is equal to the inner diameter of the cladding (204).
4. A splicing method of a spliced assembly using a p-aramid fault as set forth in any one of claims 1 to 3,
s1, determining a damaged part (108) of an aramid fiber reinforced layer (103) on the optical cable (1), and cleaning a first damaged end (106) and a second damaged end (107) to enable fractures of the first damaged end (106) and the second damaged end (107) to be flush;
s2, measuring the length of the damaged part (108) and preparing a continuous aramid fiber (3) with the length 2-5 times that of the damaged part (108);
s3, overlapping the aramid fiber exposed at the first damaged end (106) and one end of the continuous aramid fiber (3) in a staggered manner, embedding and pressing the aramid fiber into the hose (201) until the staggered position of the end part of the continuous aramid fiber (3) is located in the first fastening area (206), and installing the first fastening ring (202) at the first clamping ring groove (212) for pre-fastening;
s4, embedding the aramid fiber exposed at the second damaged end (107) into the hose (201) and overlapping the aramid fiber exposed at the second damaged end with the other end of the continuous aramid fiber (3) in the hose (201) in a staggered manner, wherein the staggered position is located in a second fastening area (210), and a second fastening ring (203) is installed at a second clamping ring groove (213) and is pre-tightened;
s5, the coating (204) is pre-pressed from the middle to both ends, the first fastening ring (202) and the second fastening ring (203) are tightened, and finally the coating (204) is tightened.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911061604.6A CN110673286B (en) | 2019-11-01 | 2019-11-01 | Splicing assembly and splicing method for para-aramid fault |
| PCT/CN2020/125234 WO2021083325A1 (en) | 2019-11-01 | 2020-10-30 | Connecting assembly for p-aramid fracture, and connecting method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911061604.6A CN110673286B (en) | 2019-11-01 | 2019-11-01 | Splicing assembly and splicing method for para-aramid fault |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110673286A true CN110673286A (en) | 2020-01-10 |
| CN110673286B CN110673286B (en) | 2020-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911061604.6A Active CN110673286B (en) | 2019-11-01 | 2019-11-01 | Splicing assembly and splicing method for para-aramid fault |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110673286B (en) |
| WO (1) | WO2021083325A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021083325A1 (en) * | 2019-11-01 | 2021-05-06 | 中芳特纤股份有限公司 | Connecting assembly for p-aramid fracture, and connecting method therefor |
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| US10663666B2 (en) * | 2013-12-05 | 2020-05-26 | United States Of America As Represented By The Secretary Of The Navy | Flexible, low profile kink resistant fiber optic splice tension sleeve |
| CN110673286B (en) * | 2019-11-01 | 2020-06-23 | 中芳特纤股份有限公司 | Splicing assembly and splicing method for para-aramid fault |
-
2019
- 2019-11-01 CN CN201911061604.6A patent/CN110673286B/en active Active
-
2020
- 2020-10-30 WO PCT/CN2020/125234 patent/WO2021083325A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2670303A1 (en) * | 1990-12-06 | 1992-06-12 | Ferrari Hubert | Break-out termination for fibre-optic cables |
| AU4176593A (en) * | 1992-07-16 | 1994-01-20 | Alcatel N.V. | Splicing box for submarine cable |
| DE29923007U1 (en) * | 1999-12-30 | 2001-05-10 | Gros Manfred | Connector |
| CN101713847A (en) * | 2008-09-29 | 2010-05-26 | 泰科电子公司 | Connector for tight-jacketed optical fiber cable |
| CN201532481U (en) * | 2009-10-16 | 2010-07-21 | 广州关键光电子技术有限公司 | Field rapid repair optical cable connector |
| CN201903675U (en) * | 2010-05-26 | 2011-07-20 | 广东电网公司电力通信设备运维中心 | Tubular optical fiber splice box for optical fiber composite phase lines |
| CN201876580U (en) * | 2010-10-26 | 2011-06-22 | 泰科电子(上海)有限公司 | Cable connecting box |
| CN201993502U (en) * | 2011-03-08 | 2011-09-28 | 中国通信建设第三工程局有限公司 | Armored joint outside water line optical cable |
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| WO2021083325A1 (en) * | 2019-11-01 | 2021-05-06 | 中芳特纤股份有限公司 | Connecting assembly for p-aramid fracture, and connecting method therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110673286B (en) | 2020-06-23 |
| WO2021083325A1 (en) | 2021-05-06 |
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