CN109031560B - Color bar identification skylight construction optical cable and production method thereof - Google Patents
Color bar identification skylight construction optical cable and production method thereof Download PDFInfo
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- CN109031560B CN109031560B CN201811053390.3A CN201811053390A CN109031560B CN 109031560 B CN109031560 B CN 109031560B CN 201811053390 A CN201811053390 A CN 201811053390A CN 109031560 B CN109031560 B CN 109031560B
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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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- 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
- G02B6/4479—Manufacturing methods of optical cables
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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
- G02B6/4479—Manufacturing methods of optical cables
- G02B6/4482—Code or colour marking
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Of Electric Cables (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The invention discloses a color strip identification skylight construction optical cable and a production method thereof, wherein optical fibers are arranged in loose tubes in a penetrating manner, a plurality of loose tubes are mutually twisted to form a cable core, an outer sheath is wrapped on the cable core, the cable core comprises a forward twisting part and a reverse twisting part, fixing bands are wrapped on the forward twisting part and the reverse twisting part of the cable core, identification blocks are attached to the positions of the forward reversing point and the reverse reversing point of the cable core, a color strip is arranged on the side wall of the outer sheath, the color strip is arranged along the axial direction of the outer sheath, a twisting point is arranged on the color strip, and the position of the twisting point corresponds to the position of the identification blocks. According to the invention, an optical cable construction splicing operator can rapidly identify the position of the SZ twisting reversing point of the cable core inside the optical cable through the pattern characteristics of the color bars outside the optical cable, so that the targeted stripping construction work is carried out, the workload of skylight construction of the optical cable is greatly reduced, the construction efficiency is improved, and the labor cost of optical cable construction is saved.
Description
The technical field is as follows:
the invention relates to a color bar identification skylight-opening construction optical cable and a production method thereof.
Background art:
the optical cable is in branch transition, and the construction and connection work of opening a skylight on the optical cable is needed during rapid fault location and maintenance. However, in the traditional construction of the layer stranded optical cable skylight, the optical cable needs to be stripped for a long distance, the most appropriate and closest starting position of one or more cable core SZ twisting reversing points is found to strip the optical cable, the internal loose tube optical fiber unit is untied, and the construction and connection work is carried out. And the position of the SZ stranded reversing point of the optical cable can not be accurately positioned in actual construction, so that the stripping length of the optical cable needs to be increased, the construction efficiency is greatly influenced, and the maintenance work of the optical cable line in the later period is not facilitated.
The invention content is as follows:
the invention provides a color bar identification skylight construction optical cable and a production method thereof, aiming at solving the problems in the prior art.
The technical scheme adopted by the invention is as follows: the utility model provides a various strip discernment skylight construction optical cable, includes optic fibre, loose tube and oversheath, optic fibre is worn to locate in the loose tube, and a plurality of loose tubes transposition each other and form the cable core, and the oversheath wraps up on the cable core, the cable core includes forward transposition portion and reverse transposition portion, all wraps up the fixed band on the forward transposition portion of cable core and on the reverse transposition portion, and the position department pastes at the cable core just, reverse switching-over point has the identification block, is equipped with the colored ribbon on the lateral wall of outer sheath, and this colored ribbon sets up along the axial direction of oversheath, is equipped with the turning point on the colored ribbon, and the position of this turning point is corresponding with the position of identification block.
Further, the colored ribbon and the outer sheath are integrally formed through extrusion molding.
Furthermore, the fixing band comprises a yarn binding band and a transparent polyester band which are sequentially wrapped on the cable core from inside to outside.
The invention also provides a production method of the optical cable for skylight construction by color bar identification, which comprises the following steps: the manufacturing step of loose tube, the step that penetrates loose tube with optic fibre, through the step of SZ transposition device with a plurality of loose tube forward transposition and the reverse transposition of wearing to be equipped with optic fibre and form the cable core in the cable core just, the step of reverse transposition surface indulge package fixed band and fixed cable core, still include following step:
attaching a mark block at the position of the reversing point of the forward and reverse stranding of the cable core, penetrating the cable core into a mold cavity of a plastic extruding machine for extruding an outer sheath, and arranging a probe for shooting the mark block on one side of the plastic extruding machine;
the outer sheath is formed by the plastic extruding machine in an extrusion molding mode, a colored ribbon arranged along the axial direction of the outer sheath is formed on the outer wall of the outer sheath, and the outer sheath is wrapped on the cable core to finally form the optical cable;
the molded optical cable is pulled into a water cooling tank from an extruding machine through a twisting traction machine, when the probe beats the identification block, the probe transmits a signal to the twisting traction machine, and the twisting traction machine is correspondingly twisted and returned;
the twisting and returning of the twisting tractor enables the outer sheath in the extrusion molding process to be twisted and returned together, so that the colored tapes on the outer wall of the outer sheath generate twisting points, and the positions of the twisting points correspond to the positions of the identification blocks.
Furthermore, the twisting tractor comprises a mounting seat, an upper driving belt, a lower driving belt, an upper tensioning wheel set, a lower tensioning wheel set, a connecting shaft, a driven gear, a driving gear, a stepping motor, a mounting frame and a driving motor, wherein the mounting seat is rotatably connected to the mounting frame; the connecting shaft is fixedly connected with the mounting seat, the driven gear is fixed on the connecting shaft, the driving gear is fixedly connected with an output shaft of the stepping motor and meshed with the driven gear, and the forward rotation and the reverse rotation of the stepping motor correspondingly control the twisting and returning of the mounting seat.
Furthermore, a feeding hole is formed in the axis direction of the connecting shaft and communicated with the feeding gap.
Further, go up the tensioning wheelset and contradict on the downside drive side band in last driving band through elastic mechanism elasticity, elastic mechanism includes guide arm, spring, clamp plate and adjusting screw, and in the mount pad was arranged in to the clamp plate, two guide arms passed mount pad and clamp plate in proper order, and the bottom of guide arm and the wheel seat fixed connection of last tensioning wheelset, the spring housing was located on the guide arm, and the bottom of spring contradict in on the wheel seat, the top is contradicted the clamp plate on the guide arm, adjusting screw threaded connection is on the mount pad, and adjusting screw's bottom is contradicted on the clamp plate.
Furthermore, a step surface is arranged on the guide rod, and the pressing plate is abutted to the step surface of the guide rod by the spring.
The invention has the following beneficial effects:
according to the invention, an optical cable construction splicing operator can rapidly identify the position of the SZ twisting reversing point of the cable core inside the optical cable through the pattern characteristics of the color bars outside the optical cable, so that the targeted stripping construction work is carried out, the workload of skylight construction of the optical cable is greatly reduced, the construction efficiency is improved, and the labor cost of optical cable construction is saved.
Description of the drawings:
FIG. 1 is a structural diagram of the marking block attached to the reversing point position of the forward and reverse twisted parts in the cable core.
FIG. 2 is a schematic diagram of the twisting points of the colored ribbons on the outer jacket according to the present invention.
Fig. 3 is a structural diagram of the twisting tractor according to the invention.
The specific implementation mode is as follows:
the invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 and 2, the color bar identification skylight construction optical cable comprises optical fibers, loose tubes 1 and an outer sheath 3, wherein the optical fibers penetrate through the loose tubes 1, the loose tubes 1 are twisted with each other to form a cable core 2, and the outer sheath 3 wraps the cable core 2. The cable core 2 comprises a forward twisting part 21 and a reverse twisting part 22, fixing bands are wrapped on the forward twisting part 21 and the reverse twisting part 22 of the cable core, the fixing bands ensure that the twisted cable core 2 is not loose, and the fixing bands comprise a yarn binding band and a transparent polyester band which are sequentially wrapped on the cable core from inside to outside.
An identification block 4 is attached to the reversing point position (the joint) of the forward twisting part 21 and the reverse twisting part 22 of the cable core, a colored ribbon 5 is arranged on the side wall of the outer sheath 3, the colored ribbon 5 is arranged along the axial direction of the outer sheath 3, a twisting point 51 is arranged on the colored ribbon, and the position of the twisting point 51 corresponds to the position of the identification block 4.
The optical cable construction connection operator can quickly identify the position of the SZ twisting reversing point of the cable core inside the optical cable through the characteristic of the external twisting point 51 of the optical cable, so that the targeted stripping construction work is carried out, the workload of optical cable skylight construction is greatly reduced, the construction efficiency is improved, and the labor cost of optical cable construction is saved.
The sheath material 3 is made of polyethylene, the colored ribbon 5 is made of polyethylene with a color different from that of the sheath material, and the colored ribbon 5 and the outer sheath 3 are integrally formed through extrusion molding.
The production method of the color bar identification skylight-opening construction optical cable comprises the following steps:
1) and (3) manufacturing the loose tube 1.
2) A step of threading the optical fiber into the loose tube 1.
3) And twisting the plurality of loose tubes 1 with the optical fibers in the forward direction and the reverse direction through an SZ twisting device to form a cable core 2.
4) Longitudinally wrapping the fixing belts on the front and reverse stranding surfaces in the cable core 2 and fixing the cable core.
5) Attaching a mark block 4 at the position of a reversing point of forward and reverse stranding in the cable core 2, penetrating the cable core 2 into a die cavity of a plastic extruding machine for extruding an outer sheath, and arranging a probe for shooting the mark block on one side of the plastic extruding machine;
6) the outer sheath 3 is formed by an extrusion molding machine in an extrusion molding mode, a colored ribbon arranged along the axial direction of the outer sheath 3 is formed on the outer wall of the outer sheath 3, and the outer sheath is wrapped on the cable core to finally form the optical cable; the material of the sheath material 3 is polyethylene, the material of the colored ribbon 5 is polyethylene with the color different from the color of the sheath material, and the pouring method for forming the colored ribbon 5 on the outer wall of the outer sheath 3 and the corresponding mold structure are the prior art, so the invention does not give details on how the colored ribbon 5 and the outer sheath 3 are integrally formed by extrusion molding.
7) And the formed optical cable is pulled into the water cooling tank from the plastic extruding machine through the twisting traction machine 6, and when the probe beats the identification block, the probe transmits a signal to the twisting traction machine, so that the twisting traction machine is twisted and returned.
8) The twisting and returning of the twisting tractor 6 enables the outer sheath 3 in the extrusion molding process to be twisted and returned together, so that the colored ribbon 5 on the outer wall of the outer sheath 3 generates a twisting point 51, and the position of the obtained twisting point 51 corresponds to the position of the identification block 4.
The steps 1), 2), 3) and 4) are conventional steps in the optical cable production process, and the production process related to each step is the same as that in the prior art, so the steps 1) to 4) are not described in detail again.
The detection point of the identification block 4 is on the line laying section, and a distance is reserved when the identification block reaches the machine head of the plastic extruding machine, so that the twisting traction machine 6 needs to calculate the delay time by matching the current production speed according to the length of the distance, and the time difference is controlled by computer software and is a conventional means in the prior art, so that the invention is not repeated in detail.
As shown in fig. 3, the twist traction machine 6 of the present invention includes a mounting seat 61, an upper driving belt 62, a lower driving belt 63, an upper tension pulley set 64, a lower supporting pulley set 65, a connecting shaft 66, a driven gear 67, a driving gear 68, a stepping motor, a mounting bracket and a driving motor, wherein the mounting seat 61 is rotatably connected to the mounting bracket 69, the upper driving belt 62 and the lower driving belt 63 are disposed in the mounting seat 61 in an upper-lower layered manner, a feeding gap 60 is formed between a lower driving side belt of the upper driving belt 62 and an upper driving side belt of the lower driving belt 63, the upper tension pulley set 64 and the lower supporting pulley set 65 are respectively disposed inside the upper driving belt 62 and inside the lower driving belt 63, and the upper tension pulley set 64 elastically abuts against the lower driving side belt of the. The upper driving-side belt of the lower driving belt 63 is supported on the lower supporting wheel set 65, and the driving motor drives the upper driving belt 62 to rotate. The connecting shaft 66 is fixedly connected with the mounting seat 61, the driven gear 67 is fixed on the connecting shaft 66, the driving gear 68 is fixedly connected with an output shaft of the stepping motor, the driving gear 68 is meshed with the driven gear 67, the stepping motor is fixed on the mounting frame 69 and rotates forwards or backwards according to signals transmitted by the probe, and the forward rotation and the reverse rotation of the stepping motor correspondingly control the twisting and returning of the mounting seat 61.
The mounting bracket 69 is provided with a support roller, and the outer wall of the mounting base 61 is provided with a circular arc roller groove which is supported on the support roller.
The upper tension pulley set 64 elastically abuts against the lower drive side belt in the upper drive belt 62 by an elastic mechanism. The elastic mechanism comprises guide rods 71, springs 72, a pressing plate 73 and adjusting screws 74, wherein the pressing plate 73 is arranged in the mounting seat 61, the two guide rods 71 sequentially penetrate through the mounting seat 61 and the pressing plate 73, the bottom ends of the guide rods 71 are fixedly connected with a wheel seat of the upper tensioning wheel set 64, the springs 72 are sleeved on the guide rods 71, the bottom ends of the springs 72 abut against the wheel seat, the pressing plate 73 abuts against the guide rods 71 at the top ends of the springs 72, the adjusting screws 74 are in threaded connection with the mounting seat 61, and the bottom ends of the adjusting screws 74 abut against the pressing plate 73. The adjustment screw 74 is rotated to adjust the tension of the upper tensioning wheel set 64.
The guide rod 71 is provided with a step surface, and the spring 72 pushes the pressing plate 73 against the step surface of the guide rod 71.
A feeding hole is arranged in the axis direction of the connecting shaft 66 and communicated with the feeding gap 60, and when the optical cable feeding device is used, the optical cable passes through the feeding hole and extends into the feeding gap 60.
The position of the identification block 4 at the SZ twisting reversing point where the cable core is twisted is detected through the probe, the probe transmits a signal to the twisting tractor 6 to drive the outer sheath part to twist (namely, twisting and returning actions), the operation can enable the colored ribbon 5 extruded on the surface of the outer sheath of the optical cable to twist and return at the SZ twisting reversing point, and the originally straight colored ribbon 5 can be seen to twist and return patterns (namely, twisting points 51) at the SZ twisting reversing point in visual effect, so that the effect of positioning the SZ twisting reversing point is achieved.
The foregoing is only a preferred embodiment of this invention and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the invention and these modifications should also be considered as the protection scope of the invention.
Claims (8)
1. The utility model provides a various strip discernment skylight construction optical cable, includes optic fibre, pine sleeve pipe (1) and oversheath (3), optic fibre is worn to locate in pine sleeve pipe (1), and a plurality of pine sleeve pipes (1) are stranded each other and are formed cable core (2), and oversheath (3) wrap up on cable core (2), the cable core includes forward transposition portion (21) and reverse transposition portion (22), all wraps up on forward transposition portion (21) of cable core and reverse transposition portion (22) and has fixed band, its characterized in that: marking blocks (4) are attached to the positions of the forward and reverse reversing points of the cable core,
the side wall of the outer sheath (3) is provided with a colored ribbon (5), the colored ribbon (5) is arranged along the axial direction of the outer sheath (3), the colored ribbon is provided with a twisting point (51), and the position of the twisting point (51) corresponds to the position of the identification block (4).
2. The color-bar-recognition skylight-opening construction optical cable according to claim 1, characterized in that: the colored ribbon and the outer sheath are integrally formed through extrusion molding.
3. The color-bar-recognition skylight-opening construction optical cable according to claim 1, characterized in that: the fixing band comprises a yarn binding band and a transparent polyester band which are sequentially wrapped on the cable core from inside to outside.
4. A production method of a color bar identification skylight construction optical cable comprises the following steps: the preparation step of pine sleeve pipe (1), with the step of optic fibre penetration pine sleeve pipe, through the step of SZ transposition device with the pine sleeve pipe forward transposition and the reverse transposition that a plurality of roots wore to be equipped with optic fibre and form cable core (2) and in the cable core just, the step of the fixed band of package and fixed cable core is indulged to reverse transposition surface, its characterized in that: also comprises the following steps:
attaching a mark block (4) at the position of the reversing point of the forward and reverse stranding of the cable core (2), penetrating the cable core (2) into a die cavity of a plastic extruding machine for extruding an outer sheath, and arranging a probe for shooting the mark block on one side of the plastic extruding machine;
the outer sheath (3) is formed through extrusion molding by the plastic extruding machine, a colored ribbon arranged along the axial direction of the outer sheath (3) is formed on the outer wall of the outer sheath (3), and the outer sheath is wrapped on the cable core to finally form the optical cable;
the formed optical cable is pulled into a water cooling tank from an extruding machine through a twisting traction machine (6), when the probe beats the identification block, the probe transmits a signal to the twisting traction machine, and the twisting traction machine is correspondingly twisted and returned;
the twisting and returning of the twisting tractor enables the outer sheath (3) to be twisted and returned together in the extrusion molding process, so that the colored ribbon (5) on the outer wall of the outer sheath (3) generates twisting points (51), and the positions of the twisting points (51) correspond to the positions of the identification blocks (4).
5. The method for producing the optical cable for skylight construction with color bar identification according to claim 4, wherein the method comprises the following steps: the twisting tractor (6) comprises a mounting seat (61), an upper driving belt (62), a lower driving belt (63), an upper tensioning wheel set (64), a lower supporting wheel set (65), a connecting shaft (66), a driven gear (67), a driving gear (68), a stepping motor, a mounting frame and a driving motor, wherein the mounting seat (61) is rotatably connected onto the mounting frame, the upper driving belt (62) and the lower driving belt (63) are arranged in the mounting seat (61) in an up-and-down layered mode, a feeding gap (60) is formed between a lower side driving side belt in the upper driving belt (62) and an upper side driving side belt in the lower driving belt (63), the upper tensioning wheel set (64) and the lower supporting wheel set (65) are respectively arranged on the inner side of the upper driving belt (62) and the inner side of the lower driving belt (63), the upper tensioning wheel set (64) elastically abuts against the lower side driving side belt in the upper driving belt (62), and the upper side driving side belt in the lower driving belt (63, the driving motor drives the upper driving belt (62) to rotate; the connecting shaft (66) is fixedly connected with the mounting seat (61), the driven gear (67) is fixed on the connecting shaft (66), the driving gear (68) is fixedly connected with an output shaft of the stepping motor, the driving gear (68) is meshed with the driven gear (67), and the forward rotation and the reverse rotation of the stepping motor correspondingly control the torsion and the return of the mounting seat (61).
6. The method for producing the optical cable for skylight construction with color bar identification according to claim 5, wherein the method comprises the following steps: and a feeding hole is arranged in the axis direction of the connecting shaft (66), and the feeding hole is communicated with the feeding gap (60).
7. The method for producing the optical cable for skylight construction with color bar identification according to claim 5, wherein the method comprises the following steps: go up tensioning wheelset (64) and contradict on the downside drive side band in last driving band (62) through elastic mechanism elasticity, elastic mechanism includes guide arm (71), spring (72), clamp plate (73) and adjusting screw (74), and mount pad (61) are arranged in clamp plate (73), and mount pad (61) and clamp plate (73) are passed in proper order in two guide arms (71), and the bottom of guide arm (71) and the wheel seat fixed connection of last tensioning wheelset (64), and spring (72) cover is located on guide arm (71), and the bottom of spring (72) contradict in on the wheel seat, the top is contradicted clamp plate (73) on guide arm (71), adjusting screw (74) threaded connection is on mount pad (61), and the bottom of adjusting screw (74) is contradicted on clamp plate (73).
8. The method for producing the optical cable for skylight construction with color bar identification according to claim 7, wherein the method comprises the following steps: the guide rod (71) is provided with a step surface, and the spring (72) enables the pressing plate (73) to abut against the step surface of the guide rod (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811053390.3A CN109031560B (en) | 2018-09-11 | 2018-09-11 | Color bar identification skylight construction optical cable and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811053390.3A CN109031560B (en) | 2018-09-11 | 2018-09-11 | Color bar identification skylight construction optical cable and production method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN109031560A CN109031560A (en) | 2018-12-18 |
| CN109031560B true CN109031560B (en) | 2020-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811053390.3A Active CN109031560B (en) | 2018-09-11 | 2018-09-11 | Color bar identification skylight construction optical cable and production method thereof |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203217135U (en) * | 2013-04-23 | 2013-09-25 | 江苏亨通光电股份有限公司 | Tightly sleeved type internal elliptical shaped branched optical cable |
| EP3028085B1 (en) * | 2013-07-29 | 2017-10-11 | Prysmian S.p.A. | Optical cable for terrestrial networks |
| US20150279517A1 (en) * | 2014-03-26 | 2015-10-01 | Blake Lenus Boudreaux | Patch cable, system and method for clear identification of computer and communication network cabling |
| CN107065091B (en) * | 2017-02-28 | 2019-06-07 | 烽火通信科技股份有限公司 | A kind of optical cable and its manufacturing method of easily putting in a skylight |
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