CN205067811U - Withstand voltage optical cable - Google Patents
Withstand voltage optical cable Download PDFInfo
- Publication number
- CN205067811U CN205067811U CN201520515634.0U CN201520515634U CN205067811U CN 205067811 U CN205067811 U CN 205067811U CN 201520515634 U CN201520515634 U CN 201520515634U CN 205067811 U CN205067811 U CN 205067811U
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- CN
- China
- Prior art keywords
- sleeve pipe
- dashpot
- optical cable
- optical fiber
- polyurethane jacket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a withstand voltage optical cable, including the sleeve pipe, the cover is equipped with the polyurethane sheath on the sheathed tube outer wall, and it has a plurality of dashpots to open on polyurethane sheath inner wall, and the both sides wall of dashpot is crooked towards keeping away from its central orientation, is provided with a plurality of optic fibre at set intraduct, and a plurality of spiral groove have still been offered to the transposition of a plurality of optic fibre on the outer wall of aramid fiber pipe on the aramid fiber pipe, tears rope A and places dashpot and interference fit with it in. The optical cable is out of office when meetting the vehicle or the spreading of dropstone under the external environment, a plurality of dashpots are separated into a plurality of protrudingly with coupling part between the sleeve pipe polyurethane sheath, when the outer wall atress of polyurethane sheath, protruding can the emergence in two adjacent dashpots is deformed, the interact of the elasticity of production when process pressure deforms with protruding answer, make the pressure greatly reduced who actually bears on the sleeve pipe, the optic fibre of having avoided lieing in set intraduct is oppressed impaired, the service life of the optical cable is out of office under the external environment is prolonged.
Description
Technical field
The utility model relates to a kind of optical cable, specifically refers to a kind of withstand voltage optical cable.
Background technology
Military optical fiber cable for field operation is specially for using under needing fast wiring or folding and unfolding service condition repeatedly under field operations and complex environment and the metal free optical fiber cable that designs, have lightweight, be convenient for carrying; Tension stress, compressive resistance, the ratio of strength to weight are high; Flexibility is good, flexible; Oil resistant, wear-resisting, fire-retardant; The features such as Applicable temperature scope is wide, are applicable to military outdoor communication system fast wiring or folding and unfolding repeatedly; Radar, aviation and naval vessel wiring; The occasion that the conditions such as oil field, mine, harbour, TV are relayed live, communication line repairing are special.
Owing to lacking metal as supporting construction in existing optical cable, under the field environment condition of complexity, optical cable is in use difficult to avoid by weight spreading, the such as compressing of the weight such as military vehicle or mountain area dropstone, it can be caused impaired serious and lose its communication function, affect the acquisition of real-time information adversely; And field environment runs into wind and rain weather more, common optical cable cannot ensure its longer serviceable life, when optical cable and other equipment connections, the way of usual employing directly uses cutter or tonger etc. to carry out peeling process to optical cable, concerning with the real-time of field operation and promptness, this generic operation can the at substantial time, can not be satisfied with and speedily carry out rescue work or the operation of real-time Data Transmission.
Utility model content
The purpose of this utility model is to provide a kind of withstand voltage optical cable, facilitates fast wiring and the folding and unfolding repeatedly of optical cable, realizes the connection of optical cable and equipment fast simultaneously.
The purpose of this utility model is achieved through the following technical solutions:
A kind of withstand voltage optical cable, comprise sleeve pipe, the outer wall of described sleeve pipe is arranged with polyurethane jacket, described polyurethane jacket inwall axially has multiple dashpot along it, the two side of described dashpot bends towards the direction away from its center, the bottom of dashpot is then along the radially expansion of described polyurethane jacket, inside pipe casing is provided with multiple optical fiber, multiple described optical fiber is stranded on the aramid fiber pipe that is positioned in the middle part of sleeve pipe in the shape of a spiral, and fine cream is filled with between described sleeve pipe and aramid fiber pipe, the outer wall of described aramid fiber pipe also offers multiple cross section and is circular arc and the spiral groove corresponding with optical fiber, also comprise multiple tearing to restrict and multiple dividing plate, the described rope A that tears is placed in dashpot and interference fit with it, multiple described dividing plate is arranged in sleeve pipe along the spaced radial of sleeve pipe, and be also provided with between described optical fiber and tear rope B, the intertwist body that described optical fiber and aramid fiber pipe are formed and the described B that restricts that tears run through dividing plate respectively.The utility model is when manufacturing, first multiple optical fiber is stranded in the shape of a spiral on the aramid fiber position-limiting tube with stronger tensile strain ability, then the middle part of sleeve pipe is fixed at both composite structures, fine cream is injected again to realize the fixing of optical fiber in sleeve pipe, finally again polyurethane jacket is fixed on sleeve pipe, can ensure that military optical fiber cable for field operation can realize the object of fast wiring and folding and unfolding repeatedly, not affect the signal transfer functions of optical cable simultaneously, when particularly running into the spreading of the weight such as vehicle or dropstone under optical cable lowered in field environment, the polyurethane jacket being positioned at outside of sleeve regulates by the deformation of self buffering realized oppressive force, namely the coupling part between polyurethane jacket and sleeve pipe is separated into multiple " work " type projection distributed ringwise by multiple dashpot, when the outer wall of polyurethane jacket is stressed, deformation can be there is in projection in adjacent two dashpots, not only left or to the right but also or simultaneously to the left and right both sides produce bending, the interaction of the elastic force produced when deformation is replied in excess pressure and projection, the actual pressure born on sleeve pipe is reduced greatly, avoid the optical fiber being positioned at inside pipe casing oppressed impaired, improve the serviceable life under optical cable lowered in field environment.Wherein, the both sides of described dashpot and bottom bend, make when polyurethane jacket is stressed, there is deformation step by step in projection, transition arc is formed by bending on the sidewall of arc and bottom, namely increase the tension force of projection sidewall, and then reduce when urethane is enclosed within stressed, to occur that the situation of crackle occurs, improve the anti-pressure ability of optical cable.
When optical cable is connected with external unit, usual optical cable is built-in with the optical fiber of more than three, and the rope A end of tearing be arranged in dashpot extends outside polyurethane jacket, according to actual needs, operating personnel can select the divided number of polyurethane jacket according to the way of connection line, namely firmly rope A is torn along polyurethane jacket direction traction radially, make to tear rope A and local segmentation is carried out to polyurethane jacket, by operating personnel, sleeve pipe is carried out peeling process again, make the optical fiber that needs to carry out connecting out exposed rapidly, and then shorten the time of optical cable peeling, the efficiency that optical cable is arranged is provided, the effect of tearing rope B wherein between two adjacent optical fiber be positioned at dashpot to tear A effect of restricting identical, namely traction tear rope B fast polyurethane jacket and sleeve pipe can be carried out Fast Segmentation, ensure the exposed fast of optical fiber, facilitate the connection of optical fiber, and the rope B that tears between adjacent two optical fiber can fix by the multiple dividing plates be disposed in sleeve pipe, namely when rope B is torn in traction, the movement of tearing rope B can not affect the stability between fine cream except fiber cable joint part and optical fiber, ensure that the serviceability of the remainder after fiber cable joint part is destroyed is unaffected.
The radial depth of described dashpot is 3/5ths of described polyurethane jacket thickness.The axial depth of dashpot directly has influence on the buffering effect of polyurethane jacket oppressive force to external world, and its radial depth is set to 3/5ths of polyurethane jacket thickness by the utility model, then can realize polyurethane jacket to maximize the buffering effect of pressure, when this radial depth is less than 3/5ths of polyurethane jacket thickness, the buffering effect of dashpot is not good, easily causes sleeve pipe and optical fiber directly stressed and occurs breakage; When this radial depth is greater than 3/5ths of polyurethane jacket thickness, the intensity of polyurethane jacket self reduces, and is easily pierced through by the sharp object in the external world.
The described A that restricts that tears is wire rope with tearing rope B.As preferably, wire rope and dashpot are interference fit, are not affecting while dashpot normally works, and utilize the Fast Segmentation that himself toughness and intensity can realize polyurethane jacket, improve the joint efficiency of optical cable.
The utility model compared with prior art, has following advantage and beneficial effect:
1, when running into the spreading of the weight such as vehicle or dropstone under the utility model lowered in field environment, the polyurethane jacket being positioned at outside of sleeve regulates by the deformation of self buffering realized oppressive force, namely the coupling part between polyurethane jacket and sleeve pipe is separated into multiple projection distributed ringwise by multiple dashpot, when the outer wall of polyurethane jacket is stressed, deformation can be there is in projection in adjacent two dashpots, not only left or to the right but also or simultaneously to the left and right both sides produce bending, the interaction of the elastic force produced when deformation is replied in excess pressure and projection, the actual pressure born on sleeve pipe is reduced greatly, avoid the optical fiber being positioned at inside pipe casing oppressed impaired, improve the serviceable life under optical cable lowered in field environment,
2, during utility model works, operating personnel can select the divided number of polyurethane jacket according to the way of connection line, namely firmly rope is torn along polyurethane jacket direction traction radially, make to tear rope and local segmentation is carried out to polyurethane jacket, by operating personnel, sleeve pipe is carried out peeling process again, make the optical fiber that needs to carry out connecting out exposed rapidly, and then shorten the time of optical cable peeling, the efficiency that optical cable is arranged is provided;
3, its radial depth is set to 3/5ths of polyurethane jacket thickness by the utility model, then can realize polyurethane jacket and maximize the buffering effect of pressure.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide the further understanding to the utility model embodiment, forms a application's part, does not form the restriction to the utility model embodiment.In the accompanying drawings:
Fig. 1 is the utility model structural representation;
Mark and corresponding parts title in accompanying drawing:
1-polyurethane jacket, 2-dashpot, 3-sleeve pipe, 4-optical fiber, 5-dividing plate, 6-aramid fiber pipe, 7-tear rope A, 8-and tear rope B.
Embodiment
Clearly understand for making the purpose of this utility model, technical scheme and advantage, below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, exemplary embodiment of the present utility model and explanation thereof are only for explaining the utility model, and conduct is not to restriction of the present utility model.
Embodiment 1
As shown in Figure 1, the present embodiment comprises sleeve pipe 3, the outer wall of described sleeve pipe 3 is arranged with polyurethane jacket 1, described polyurethane jacket 1 inwall axially has multiple dashpot 2 along it, the two side of described dashpot 2 bends towards the direction away from its center, the bottom of dashpot 2 is then along the radially expansion of described polyurethane jacket 1, sleeve pipe 3 inside is provided with multiple optical fiber 4, multiple described optical fiber 4 is stranded on the aramid fiber pipe 6 that is positioned in the middle part of sleeve pipe 3 in the shape of a spiral, and fine cream is filled with between described sleeve pipe 3 and aramid fiber pipe 6, the outer wall of described aramid fiber pipe 6 also offers multiple cross section and is circular arc and the spiral groove 8 corresponding with optical fiber 4, also comprise and multiplely tear rope A7 and multiple dividing plate 5, the described rope A7 that tears is placed in dashpot 2 and interference fit with it, multiple described dividing plate 5 is arranged in sleeve pipe 3 along the spaced radial of sleeve pipe 3, and be also provided with between described optical fiber 4 and tear rope B8, the intertwist body that described optical fiber 4 and aramid fiber pipe 6 are formed and the described B8 that restricts that tears run through dividing plate 5 respectively.
When manufacturing, first multiple optical fiber 4 is stranded in the shape of a spiral on the aramid fiber position-limiting tube with stronger tensile strain ability, then the middle part of sleeve pipe 3 is fixed at both composite structures, fine cream is injected again to realize the fixing of optical fiber 4 in sleeve pipe 3, finally again polyurethane jacket 1 is fixed on sleeve pipe 3, can ensure that military optical fiber cable for field operation can realize the object of fast wiring and folding and unfolding repeatedly, not affect the signal transfer functions of optical cable simultaneously, when particularly running into the spreading of the weight such as vehicle or dropstone under optical cable lowered in field environment, be positioned at polyurethane jacket 1 outside sleeve pipe 3 and regulate by self deformation the buffering realized oppressive force, namely the coupling part between polyurethane jacket 1 and sleeve pipe 3 is separated into multiple projection distributed ringwise by multiple dashpot 2, when the outer wall of polyurethane jacket 1 is stressed, deformation can be there is in projection in adjacent two dashpots 2, not only left or to the right but also or simultaneously to the left and right both sides produce bending, the interaction of the elastic force produced when deformation is replied in excess pressure and projection, the actual pressure born on sleeve pipe 3 is reduced greatly, avoid the optical fiber 4 being positioned at sleeve pipe 3 inside oppressed impaired, improve the serviceable life under optical cable lowered in field environment.Wherein, the both sides of described dashpot 2 and bottom bend, make when polyurethane jacket 1 is stressed, there is deformation step by step in projection, transition arc is formed by bending on the sidewall of arc and bottom, namely increase the tension force of projection sidewall, and then reduction polyurethane jacket 1 occurs that when stressed the situation of crackle occurs, and improves the anti-pressure ability of optical cable.
When optical cable is connected with external unit, usual optical cable is built-in with the optical fiber 4 of more than three, and the rope A7 end of tearing be arranged in dashpot 2 extends outside polyurethane jacket 1, according to actual needs, operating personnel can select the divided number of polyurethane jacket 1 according to the way of connection line, namely firmly rope A7 is torn along polyurethane jacket 1 direction traction radially, make to tear rope A7 and local segmentation is carried out to polyurethane jacket 1, by operating personnel, sleeve pipe 3 is carried out peeling process again, make the optical fiber 4 that needs to carry out connecting out exposed rapidly, and then shorten the time of optical cable peeling, the efficiency that optical cable is arranged is provided.Also be provided with between adjacent two described optical fiber 4 and tear rope B8, the effect of tearing rope B8 between two adjacent optical fiber 4 be positioned at dashpot 2 to tear A7 effect of restricting identical, namely traction tear rope B8 fast polyurethane jacket 1 and sleeve pipe 3 can be carried out Fast Segmentation, ensure the exposed fast of optical fiber 4, facilitate the connection of optical fiber, and the rope B8 that tears between adjacent two optical fiber 4 can fix by the multiple dividing plates 5 be disposed in sleeve pipe 3, namely when rope B8 is torn in traction, the movement of tearing rope B8 can not affect the stability between fine cream except fiber cable joint part and optical fiber 4, ensure that the serviceability of the remainder after fiber cable joint part is destroyed is unaffected.
Wherein, the axial depth of dashpot 2 directly has influence on the buffering effect of polyurethane jacket 1 oppressive force to external world, and its radial depth is set to 3/5ths of polyurethane jacket 1 thickness by the utility model, the buffering effect that then can realize polyurethane jacket 1 pair of pressure maximizes, when this radial depth is less than 3/5ths of polyurethane jacket 1 thickness, the buffering effect of dashpot 2 is not good, easily causes sleeve pipe 3 and optical fiber 4 directly stressed and occurs breakage; When this radial depth is greater than 3/5ths of polyurethane jacket 1 thickness, the intensity of polyurethane jacket 1 self reduces, and is easily pierced through by the sharp object in the external world.
As preferably, wire rope A7 and dashpot 2 are interference fit, are not affecting dashpot 2 normally while work, utilize the Fast Segmentation that himself toughness and intensity can realize polyurethane jacket 1, improve the joint efficiency of optical cable.
Above-described embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; be understood that; the foregoing is only embodiment of the present utility model; and be not used in restriction protection domain of the present utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (3)
1. a withstand voltage optical cable, comprise sleeve pipe (3), it is characterized in that: on the outer wall of described sleeve pipe (3), be arranged with polyurethane jacket (1), described polyurethane jacket (1) inwall axially has multiple dashpot (2) along it, the two side of described dashpot (2) bends towards the direction away from its center, the bottom of dashpot (2) is then along the radially expansion of described polyurethane jacket (1), sleeve pipe (3) inside is provided with multiple optical fiber (4), multiple described optical fiber (4) be stranded in the shape of a spiral be positioned at sleeve pipe (3) middle part aramid fiber pipe (6) on, and fine cream is filled with between described sleeve pipe (3) and aramid fiber pipe (6), also comprise and multiplely tear rope A(7) and multiple dividing plate (5), describedly tear rope A(7) be placed in dashpot (2) and interference fit with it, multiple described dividing plate (5) is arranged in sleeve pipe (3) along the spaced radial of sleeve pipe (3), and be also provided with between described optical fiber (4) tear rope B(8), the intertwist body that described optical fiber (4) and aramid fiber pipe (6) are formed and describedly tear the B(8 that restricts) run through dividing plate (5) respectively.
2. the withstand voltage optical cable of one according to claim 1, is characterized in that: the radial depth of described dashpot (2) is 3/5ths of described polyurethane jacket (1) thickness.
3. the withstand voltage optical cable of one according to claim 1 and 2, is characterized in that: described in tear rope A(7) with describedly tear the B(8 that restricts) be wire rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520515634.0U CN205067811U (en) | 2015-07-16 | 2015-07-16 | Withstand voltage optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520515634.0U CN205067811U (en) | 2015-07-16 | 2015-07-16 | Withstand voltage optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205067811U true CN205067811U (en) | 2016-03-02 |
Family
ID=55394348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520515634.0U Expired - Fee Related CN205067811U (en) | 2015-07-16 | 2015-07-16 | Withstand voltage optical cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205067811U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104965279A (en) * | 2015-07-16 | 2015-10-07 | 成都亨通兆业精密机械有限公司 | Optical cable possessing voltage withstanding function |
-
2015
- 2015-07-16 CN CN201520515634.0U patent/CN205067811U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104965279A (en) * | 2015-07-16 | 2015-10-07 | 成都亨通兆业精密机械有限公司 | Optical cable possessing voltage withstanding function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160302 Termination date: 20160716 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |