CN106768864A - A kind of optical cable crosses pulley combined test apparatus and its test method - Google Patents
A kind of optical cable crosses pulley combined test apparatus and its test method Download PDFInfo
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- CN106768864A CN106768864A CN201611225246.4A CN201611225246A CN106768864A CN 106768864 A CN106768864 A CN 106768864A CN 201611225246 A CN201611225246 A CN 201611225246A CN 106768864 A CN106768864 A CN 106768864A
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- 230000003287 optical effect Effects 0.000 title claims abstract description 121
- 238000012360 testing method Methods 0.000 title claims abstract description 41
- 238000010998 test method Methods 0.000 title description 4
- 238000002474 experimental method Methods 0.000 claims abstract description 66
- 239000013307 optical fiber Substances 0.000 claims description 14
- 125000006850 spacer group Chemical group 0.000 claims description 14
- 238000005259 measurement Methods 0.000 claims description 7
- 239000000835 fiber Substances 0.000 claims description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 3
- 230000033228 biological regulation Effects 0.000 abstract description 2
- 241000272165 Charadriidae Species 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
- G01M11/31—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter and a light receiver being disposed at the same side of a fibre or waveguide end-face, e.g. reflectometers
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- Optics & Photonics (AREA)
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- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
Pulley combined test apparatus are crossed the present invention relates to a kind of optical cable, including body and fixing end, fixing end is arranged on one end of body, being provided with the middle part of body can adjust optical cable unwrapping wire angle and optical cable crosses line diameter of pulley crosses pulley gear, and the other end of body is provided with the puller system for adjusting optical cable laying tension；Advantages of the present invention：By crossing the unwrapping wire angle of pulley gear regulation optical cable and crossing line diameter of pulley, can realize that optical cable carried out pulley and tests under different unwrapping wire angles with different mistake line pulley, the effective influence detected under the built on stilts environment of difference to optical cable, improve the accuracy rate of experiment, improve the Practical Performance of pulley gear, pulling force of the puller system to optical cable is adjusted by puller system, realizing different laying tensions carried out pulley experiment to optical cable, adapt to different construction demands, improve the accuracy of experiment, in addition, the present invention also provides a kind of optical cable and crosses pulley comprehensive testing method, pulley combined test apparatus are crossed using above-mentioned optical cable to be tested.
Description
Technical field
Pulley combined test apparatus and its test method are crossed the present invention relates to a kind of optical cable.
Background technology
OPGW is a kind of aerial earth wire of also optical fiber, extrudes the multiple work(such as aerial earth wire and optic communication
Can, to cross pulley and test for proving that optical cable will not suffer damage or reduce its performance when installing and setting up, after experiment, optical cable is inorganic
Tool is damaged, and optical fiber should be without obvious remaining additional attenuation, and the existing exemplary device for crossing pulley experiment is as shown in figure 1, sample two ends are used
Suitable terminal fixture treatment, Fiber Optic Test length 100m measures light decay with the light power meter for being connected to test optical fiber either end
Subtract, the condition of experiment is pulling force angle at 30 °, tensile load is 15%RTS, 15 forward and reverses of cycle-index are once to follow
Ring, diameter of pulley is 40 times of optic cable diameter, during existing experiment, pulley experiment can be effectively carried out to optical cable, and can not be tried
Test under different unwrapping wire angles, different tensile loads, the experiment that different pulley block diameters is damaged to optical cable, cause examination
There is unicity in experiment device, it is impossible to meet property indices of the optical cable in construction and tested.
The content of the invention
The technical problem to be solved in the present invention is just to provide a kind of optical cable and crosses pulley combined test apparatus and its test method,
The existing pulley experimental rig excessively of solution there are problems that monistic.
In order to solve the above-mentioned technical problem, the present invention is achieved by the following technical solutions：It is comprehensive that a kind of optical cable crosses pulley
Experimental rig is closed, including body and fixing end, fixing end are arranged on one end of body, being provided with the middle part of body can adjust optical cable and put
Line angle degree and optical cable cross the pulley gear excessively of line diameter of pulley, and the other end of body is provided with the drawing for adjusting optical cable laying tension
Power machine.
Preferably, crossing pulley gear includes movable pulley component and fixed block component, and movable pulley component is flexibly connected
On body, fixed block component is fixedly connected on body and is symmetrically positioned in the both sides of movable pulley component, movable pulley group
Part includes multiple first pulleys, and the diameter of multiple first pulleys is unequal, and fixed block component is provided with multiple second and slides
Wheel, and the diameter of multiple second pulleys is unequal, realizes sliding by the first pulley and second pulley of multiple different-diameters
The experiment that the change of pulley block diameter influences on optical cable in wheel apparatus, experiment is convenient, and connection is reliable, can reduce pulley replacing
Time, improve the efficiency of experiment.
Preferably, body is provided with riser, and riser is provided with several connecting holes, and first pulley is arranged on connecting hole and uses
In the experiment of optical cable unwrapping wire angle in 30 ° or 45 ° or 60 ° settings, first pulley is arranged in different connecting holes to adjust light
Cable unwrapping wire angle is tested under 30 ° or 45 ° or 60 °, so that crossing pulley gear realizes the change of optical cable unwrapping wire angle to light
The experiment of cable influence, experiment is convenient.
Preferably, movable pulley component also includes that by first rotating shaft multiple first pulleys are arranged on by first rotating shaft
On connecting hole, first rotating shaft is provided with the first spacer, and the first spacer is arranged between two neighboring first pulley, first rotating shaft and
Connecting hole can realize the Fast Installation of first pulley, and convenient disassembly, can realize that first pulley is each independently rotated, it is ensured that experiment
Accuracy, can reduce first pulley replacing working strength.
Preferably, the bottom of riser is provided with horizontal cross plate, and horizontal cross plate is fixedly connected on body by bolt assembly, energy
The bonding strength of riser and body is improved, bolt assembly easy installation and removal, fastening effect is good.
Preferably, fixed block component includes fixed wheel carrier and is arranged on the second rotating shaft of fixed wheel carrier, and multiple second slides
Wheel is arranged in the second rotating shaft, and fixed wheel carrier is fixedly connected on body, and the second rotating shaft is provided with the second spacer, and the second spacer sets
Put between two neighboring second pulley, realize that fixed block is fixed on body by fixed wheel carrier, it is to avoid during experiment
Second pulley is slided on body, the setting of the second spacer, can realize that second pulley is each independently rotated, it is ensured that experiment it is accurate
Property, the working strength of second pulley replacing can be reduced.
Preferably, fixing end includes fixed plate and pull head, and fixed plate is arranged on body, and pull head is arranged in fixed plate,
The horizontal axis of pull head overlaps with the horizontal axis of puller system, simple structure, easy installation and removal, is easy to optical cable to be connected to pull head
On, can guarantee that the linearity for entering optical cable when pulley gear is tested.
Preferably, body is provided with the optical time domain reflection of test optical fibre cables fibre loss, the optical fiber of the quick test optical fibre cables of energy
Loss.
Preferably, body is provided with the camera for shooting the front and rear cable surface of experiment, can be to the cable surface before and after experiment
Carry out treatment of taking pictures, by taking pictures after photo measurement optic cable diameter, the data record of roundness, be easy to operating personnel to analyze.
A kind of optical cable crosses pulley comprehensive testing method, crosses pulley combined test apparatus using above-mentioned optical cable and is tested, bag
Include following steps：
Step one:Experiment：Optical cable is connected to by fastening gold utensil carries out optical cable pulley block on experimental rig
Experiment that experiment that the change of diameter influences on optical cable, the change of optical cable unwrapping wire angle influence on optical cable,
The experiment that the change of optical cable laying tension influences on optical cable, marks the contact point of pulley and optical cable during experiment,
It is lost by optical time domain reflectometer test optical fibre cables during experiment；
Step 2：Measurement：Optical cable after testing step one respectively carries out pulley contact spot diameter and optical cable circle
Whole degree is measured；
Step 3：Data record：Respectively to step 2 measure after numerical value record, and to experiment after
Optical cable carries out Taking Pictures recording.
In sum, advantages of the present invention：1. the unwrapping wire angle and line pulley excessively for passing through pulley gear regulation optical cable are straight
Footpath, can realize that optical cable carried out pulley experiment under different unwrapping wire angles with different mistake line pulley, effectively detect not
To the influence of optical cable under unit-frame Altitude, the accuracy rate of experiment is improved, also improved the Practical Performance of pulley gear；
2. pulling force of the puller system to optical cable is adjusted by puller system, it is achieved thereby that different laying tensions were carried out to optical cable
Pulley is tested, and adapts to different construction demands, improves the accuracy of experiment；
3. the setting of fixing end, can realize that one end of optical cable is fixed on body, and the other end of optical cable can receive puller system
The pulling force of offer, so as to realize the stabilization of pulling force during optical fiber cable test, test effect is good.
Brief description of the drawings
The invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 is the existing structural representation for crossing pulley experiment；
Fig. 2 is the structural representation that a kind of optical cable of the invention crosses pulley combined test apparatus；
Fig. 3 is the structural representation of movable pulley component of the present invention；
Fig. 4 is the structural representation of fixed block component of the present invention.
Specific embodiment
As shown in Figure 2, Figure 3, Figure 4, a kind of optical cable crosses pulley combined test apparatus, including body 1 and fixing end 2, fixed
End 2 is arranged on one end of body 1, and the middle part of body 1 is provided with can adjust optical cable unwrapping wire angle and optical cable crosses the mistake of line diameter of pulley
Pulley gear 3, the other end of body 1 is provided with the puller system 8 for adjusting optical cable laying tension.
Crossing pulley gear 3 includes movable pulley component 4 and fixed block component 5, and movable pulley component 4 is movably connected in machine
On body 1, fixed block component 5 is fixedly connected on body 1 and is symmetrically positioned in the both sides of movable pulley component 4, movable pulley group
Part 4 includes multiple first pulleys 43, and the diameter of multiple first pulleys 43 is unequal, and fixed block component 5 is provided with multiple
Second pulley 53, and the diameter of multiple second pulleys 53 is unequal, is slided by the first pulley of multiple different-diameters and second
Wheel realized the experiment that the change of pulley block diameter in pulley gear influences on optical cable, and experiment is convenient, and connection is reliable, can reduce
The time that pulley is changed, improve the efficiency of experiment.
Body 1 is provided with riser 41, and riser 41 is provided with several connecting holes 45, and first pulley 43 is arranged on connecting hole 45
It is upper to be used for the experiment of optical cable unwrapping wire angle in 30 ° or 45 ° or 60 ° settings, first pulley is arranged in different connecting holes to adjust
Section optical cable unwrapping wire angle is tested under 30 ° or 45 ° or 60 °, so that crossing the change that pulley gear realizes optical cable unwrapping wire angle
Experiment on optical cable influence, experiment is convenient.
Movable pulley component 4 also includes that by first rotating shaft 42 multiple first pulleys 43 are arranged on by first rotating shaft 42
On connecting hole 45, first rotating shaft 42 is provided with the first spacer 44, and the first spacer 44 is arranged between two neighboring first pulley 43,
First rotating shaft and connecting hole can realize the Fast Installation of first pulley, and convenient disassembly, can realize that first pulley each independently turns
It is dynamic, it is ensured that the accuracy of experiment, the working strength of first pulley replacing can be reduced, fixed block component 5 includes fixed wheel carrier 51
With the second rotating shaft 52 for being arranged on fixed wheel carrier 51, multiple second pulleys 53 are arranged in the second rotating shaft 52, and fixed wheel carrier 51 is consolidated
Surely it is connected on body 1, the second rotating shaft 52 is provided with the second spacer 54, the second spacer 54 is arranged on two neighboring second pulley 53
Between, realize that fixed block is fixed on body by fixed wheel carrier, it is to avoid second pulley during experiment is slided on body,
The setting of the second spacer, can realize that second pulley is each independently rotated, it is ensured that the accuracy of experiment, can reduce second pulley replacing
Working strength.
The bottom of riser 41 is provided with horizontal cross plate 46, and horizontal cross plate 46 is fixedly connected on body 1 by bolt assembly 47,
The bonding strength of riser and body can be improved, bolt assembly easy installation and removal, fastening effect is good, fixing end 2 includes fixed plate
21 and pull head 22, fixed plate 21 is arranged on body 1, and pull head 22 is arranged in fixed plate 21, the horizontal axis of pull head 22 with draw
The horizontal axis of power machine 8 overlaps, and simple structure, easy installation and removal is easy to optical cable to be connected on pull head, can guarantee that and entered sliding
The linearity of optical cable when wheel apparatus are tested.
Body 1 is provided with the optical time domain reflectometer 6 of test optical fibre cables fibre loss, and the optical fiber of the quick test optical fibre cables of energy is damaged
Consumption, body 1 is provided with the camera 7 for shooting the front and rear cable surface of experiment, can carry out place of taking pictures to the cable surface before and after experiment
Reason, by taking pictures after photo measurement optic cable diameter, the data record of roundness, be easy to operating personnel to analyze.
A kind of optical cable crosses pulley comprehensive testing method, crosses pulley combined test apparatus using above-mentioned optical cable and is tested, bag
Include following steps：
Step one:Experiment：Optical cable is connected on experimental rig by fastening gold utensil carries out optical cable pulley block diameter
Change right on the experiment of optical cable influence, the experiment that the change of optical cable unwrapping wire angle influences on optical cable, the change of optical cable laying tension
The experiment of optical cable influence, marks the contact point of pulley and optical cable during experiment, damaged by optical time domain reflectometer test optical fibre cables during experiment
Consumption；
Step 2：Measurement：Optical cable after testing step one respectively carries out pulley contact spot diameter and optical cable roundness is entered
Row measurement；
Step 3：Data record：Numerical value after measuring step 2 respectively is recorded, and the optical cable after experiment is carried out
Taking Pictures recording.
Carried out visual inspection and attenuation measurement to optical cable before step one, and using measured value as a reference value；For with
The numerical value recorded after experiment is contrasted.
In step one, when the experiment that the change that optical cable carries out optical cable laying tension influences on optical cable, by pulley gear 3
In unwrapping wire angle be arranged to 30 °, the diameter of first pulley and second pulley is arranged to 800mm, by the screw rod in puller system
Backhaul reinforce, and reinforcing speed be 10kN/min, experiment keep 10min, make optical cable tension force be 20%RTS, 30%RTS,
Tested in the case of 40%RTS, 50%RTS；
When the experiment that the change that optical cable carries out optical cable unwrapping wire angle influences on optical cable, by optical cable be arranged on first pulley and
The diameter of second pulley is arranged to 800mm, and setting puller system makes the pulling force that optical cable bears be 20%RTS, then adjusts first and slides
Take turns height on riser, make optical cable respectively unwrapping wire angle be 30 °, 45 °, tested under 60 °, experiment keeps 10min；
When the experiment that the change that optical cable carries out optical cable pulley block diameter influences on optical cable, will cross in pulley gear 3
Unwrapping wire angle is arranged to 30 °, and setting puller system makes the pulling force that optical cable bears be 20%RTS, is then arranged on optical cable different straight
The first pulley and second pulley in footpath are tested, the diameter of first pulley and second pulley 200mm, 400mm, 600mm,
Tested under 800mm, experiment keeps 10min.
In addition to above preferred embodiment, the present invention also has other implementation methods, and those skilled in the art can be according to this
Invention is variously modified and deforms, and without departing from spirit of the invention, all should belong to appended claims of the present invention and determine
The scope of justice.
Claims (10)
1. a kind of optical cable crosses pulley combined test apparatus, it is characterised in that：Including body (1) and fixing end (2), fixing end (2)
One end of body (1) is arranged on, being provided with the middle part of body (1) can adjust optical cable unwrapping wire angle and optical cable crosses the mistake of line diameter of pulley
Pulley gear (3), the other end of body (1) is provided with the puller system (8) for adjusting optical cable laying tension.
2. a kind of optical cable according to claim 1 crosses pulley combined test apparatus, it is characterised in that：Cross pulley gear (3)
Including movable pulley component (4) and fixed block component (5), movable pulley component (4) is movably connected on body (1), fixed
Pulley assembly (5) is fixedly connected on body (1) and is symmetrically positioned in the both sides of movable pulley component (4), movable pulley component (4)
Including multiple first pulleys (43), and the diameter of multiple first pulleys (43) is unequal, and fixed block component (5) is provided with many
Individual second pulley (53), and the diameter of multiple second pulleys (53) is unequal.
3. a kind of optical cable according to claim 2 crosses pulley combined test apparatus, it is characterised in that：Body (1) is provided with
Riser (41), riser (41) is provided with several connecting holes (45), and first pulley (43) is arranged on is used for light on connecting hole (45)
The experiment of cable unwrapping wire angle is in 30 ° or 45 ° or 60 ° settings.
4. a kind of optical cable according to claim 3 crosses pulley combined test apparatus, it is characterised in that：Movable pulley component
(4) also include by first rotating shaft (42), multiple first pulleys (43) are arranged on connecting hole (45) by first rotating shaft (42),
First rotating shaft (42) is provided with the first spacer (44), and the first spacer (44) is arranged between two neighboring first pulley (43).
5. a kind of optical cable according to claim 3 crosses pulley combined test apparatus, it is characterised in that：The bottom of riser (41)
Horizontal cross plate (46) is provided with, horizontal cross plate (46) is fixedly connected on body (1) by bolt assembly (47).
6. a kind of optical cable according to claim 2 crosses pulley combined test apparatus, it is characterised in that：Fixed block component
(5) including fixing wheel carrier (51) and being arranged on second rotating shaft (52) of fixed wheel carrier (51), multiple second pulleys (53) are arranged on
In second rotating shaft (52), fixed wheel carrier (51) is fixedly connected on body (1), and the second rotating shaft (52) is provided with the second spacer
(54), the second spacer (54) is arranged between two neighboring second pulley (53).
7. a kind of optical cable according to claim 1 crosses pulley combined test apparatus, it is characterised in that：Fixing end (2) includes
Fixed plate (21) and pull head (22), fixed plate (21) are arranged on body (1), and pull head (22) is arranged in fixed plate (21), are drawn
The horizontal axis of head (22) overlaps with the horizontal axis of puller system (8).
8. a kind of optical cable according to claim 1 crosses pulley combined test apparatus, it is characterised in that：Body (1) is provided with
The optical time domain reflectometer (6) of test optical fibre cables fibre loss.
9. a kind of optical cable according to claim 1 crosses pulley combined test apparatus, it is characterised in that：Body (1) is provided with
Shoot the camera (7) of the front and rear cable surface of experiment.
10. a kind of optical cable crosses pulley comprehensive testing method, it is characterised in that：Pulley is crossed using the optical cable in claim 1-9 comprehensive
Close experimental rig to be tested, comprise the following steps：
Step one:Experiment：Optical cable is connected on experimental rig the change for carrying out optical cable pulley block diameter by fastening gold utensil
Experiment, the change of optical cable laying tension that the change of experiment, optical cable unwrapping wire angle on optical cable influence influences on optical cable are to optical cable
The experiment of influence, marks the contact point of pulley and optical cable during experiment, be lost by optical time domain reflectometer test optical fibre cables during experiment；
Step 2：Measurement：Optical cable after testing step one respectively carries out pulley contact spot diameter and optical cable roundness is surveyed
Amount；
Step 3：Data record：Numerical value after measuring step 2 respectively is recorded, and the optical cable after experiment is taken pictures
Record.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611225246.4A CN106768864A (en) | 2016-12-27 | 2016-12-27 | A kind of optical cable crosses pulley combined test apparatus and its test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611225246.4A CN106768864A (en) | 2016-12-27 | 2016-12-27 | A kind of optical cable crosses pulley combined test apparatus and its test method |
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| CN106768864A true CN106768864A (en) | 2017-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611225246.4A Pending CN106768864A (en) | 2016-12-27 | 2016-12-27 | A kind of optical cable crosses pulley combined test apparatus and its test method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114323997A (en) * | 2021-12-29 | 2022-04-12 | 长飞光纤光缆股份有限公司 | Large-core-diameter optical fiber screening device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104048882A (en) * | 2014-07-09 | 2014-09-17 | 成都美美通信技术有限公司 | Tensile resistance testing device for optical cable connector box |
| CN203889791U (en) * | 2014-05-07 | 2014-10-22 | 国家电网公司 | Device for detecting interaction between guide line and paying-off pulley in process of tension paying-off |
| CN104184068A (en) * | 2014-08-22 | 2014-12-03 | 国家电网公司 | Wire detection method |
| CN204008312U (en) * | 2014-06-05 | 2014-12-10 | 国网山西省电力公司电力科学研究院 | A kind of wire fixing device of force value tests test of aerial condutor |
| CN105305315A (en) * | 2015-12-10 | 2016-02-03 | 四川电力送变电建设公司 | Light pressing line tackle |
| CN206270003U (en) * | 2016-12-27 | 2017-06-20 | 国网浙江省电力公司 | A kind of optical cable crosses pulley combined test apparatus |
-
2016
- 2016-12-27 CN CN201611225246.4A patent/CN106768864A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203889791U (en) * | 2014-05-07 | 2014-10-22 | 国家电网公司 | Device for detecting interaction between guide line and paying-off pulley in process of tension paying-off |
| CN204008312U (en) * | 2014-06-05 | 2014-12-10 | 国网山西省电力公司电力科学研究院 | A kind of wire fixing device of force value tests test of aerial condutor |
| CN104048882A (en) * | 2014-07-09 | 2014-09-17 | 成都美美通信技术有限公司 | Tensile resistance testing device for optical cable connector box |
| CN104184068A (en) * | 2014-08-22 | 2014-12-03 | 国家电网公司 | Wire detection method |
| CN105305315A (en) * | 2015-12-10 | 2016-02-03 | 四川电力送变电建设公司 | Light pressing line tackle |
| CN206270003U (en) * | 2016-12-27 | 2017-06-20 | 国网浙江省电力公司 | A kind of optical cable crosses pulley combined test apparatus |
Non-Patent Citations (1)
| Title |
|---|
| 谢云飞等: "碳纤维复合芯导线过滑轮试验研究" * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114323997A (en) * | 2021-12-29 | 2022-04-12 | 长飞光纤光缆股份有限公司 | Large-core-diameter optical fiber screening device |
| CN114323997B (en) * | 2021-12-29 | 2023-10-13 | 长飞光纤光缆股份有限公司 | Large-core-diameter optical fiber screening device |
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Application publication date: 20170531 |