CN108088593B - Carbon fiber intelligent rope body - Google Patents
Carbon fiber intelligent rope body Download PDFInfo
- Publication number
- CN108088593B CN108088593B CN201711429891.2A CN201711429891A CN108088593B CN 108088593 B CN108088593 B CN 108088593B CN 201711429891 A CN201711429891 A CN 201711429891A CN 108088593 B CN108088593 B CN 108088593B
- Authority
- CN
- China
- Prior art keywords
- carbon fiber
- optical fiber
- monitoring sensor
- rod
- cable body
- 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.)
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Links
- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 59
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 59
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 239000013307 optical fiber Substances 0.000 claims abstract description 45
- 238000012544 monitoring process Methods 0.000 claims abstract description 28
- 239000003822 epoxy resin Substances 0.000 claims abstract description 10
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 10
- 230000001681 protective effect Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 12
- 239000010959 steel Substances 0.000 abstract description 12
- 230000007547 defect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000005484 gravity Effects 0.000 abstract description 3
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/24—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
- G01L1/242—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre
- G01L1/246—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre using integrated gratings, e.g. Bragg gratings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/04—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Ropes Or Cables (AREA)
Abstract
The invention relates to a carbon fiber intelligent cable body, which solves the defects that the existing anchor cable adopts a steel strand as the cable body, has relatively large weight, is inconvenient to install and carry, needs to counteract self gravity after tensioning and has a reduced tensioning effect, and comprises a plurality of carbon fiber rods twisted by screws, an epoxy resin layer is coated on the outer part of the carbon fiber rods, and an optical fiber monitoring sensor is implanted in the center of at least one carbon fiber rod. The cable body is formed by twisting the carbon fiber rod in a spiral way, so that the weight of the cable body is reduced, and the cable body is convenient to carry and install; the optical fiber monitoring sensor is implanted in the center of the carbon fiber rod, and the working state of the carbon fiber rod can be monitored in real time through the optical fiber monitoring sensor, so that the working condition of the whole cable body is reflected.
Description
Technical Field
The invention relates to a rope body, in particular to a carbon fiber intelligent rope body.
Background
When the main cable is anchored in the side hole of the suspension bridge, the main cable is divided into a plurality of strands of steel bundles which are respectively anchored in the anchor ingot, and the steel bundles are called anchor cables.
The existing anchor cable mainly adopts steel strands as cable bodies, when the weight of the steel strands is compared with that of the steel strands, the weight of the steel strands can be multiplied when the prestress of tensioning is large, a series of problems can be caused by the weight increase, and the anchor cable is inconvenient to carry, and is inconvenient to install and tension on site. The weight increase causes that the anchor cable needs to counteract a part of self gravity after tensioning, so that the tensioning effect is reduced.
And adopt the steel strand wires as the cable body, the maximum pulling force of steel strand wires has its limit value, in order to improve maximum pulling force, need increase the diameter of steel strand wires, after the diameter of steel strand wires increases, the weight of anchor rope also rises, and then has brought a series of problems.
In addition, the rope body is generally tens of meters long when in use, and the rope body can extend to hundreds of meters longer, so that inconvenience is brought to the monitoring of the rope body, and at present, no technology can monitor the working state of the rope body in real time.
Disclosure of Invention
The invention solves the defects that the existing anchor cable adopts the steel strand as the cable body, has larger weight, is inconvenient to install and carry, needs to counteract self gravity after tensioning and has reduced tensioning effect, and provides the carbon fiber intelligent cable body which adopts the carbon fiber rod to twist the composite cable body, and coats the epoxy resin adhesive outside, thereby reducing the weight of the anchor cable and facilitating carrying and installation.
The invention also solves the defect that the whole rope body cannot be monitored in real time at present, and provides the carbon fiber intelligent rope body, which is formed by twisting a carbon fiber rod, wherein an optical fiber monitoring sensor is implanted in a carbon fiber rod core, and the working state of the carbon fiber rod can be monitored in real time through the optical fiber monitoring sensor, so that the working condition of the whole rope body is reflected.
The specific technical scheme of the invention is as follows: a carbon fiber intelligent rope body comprises a plurality of carbon fiber rods twisted by a screw, an epoxy resin layer is coated on the outer part of the carbon fiber rods, and an optical fiber monitoring sensor is implanted in the center of at least one carbon fiber rod. The cable body is formed by twisting the carbon fiber rod in a spiral way, so that the weight of the cable body is reduced, and the cable body is convenient to carry and install; the optical fiber monitoring sensor is implanted in the center of the carbon fiber rod, and the working state of the carbon fiber rod can be monitored in real time through the optical fiber monitoring sensor, so that the working condition of the whole cable body is reflected.
Preferably, the carbon fiber rods are odd numbered strands, one strand in the center and even numbered strands in the periphery.
Preferably, an optical fiber monitoring sensor is implanted in the carbon fiber rod at the center.
Preferably, each carbon fiber rod is embedded with an optical fiber monitoring sensor.
Preferably, a core hole is formed in the axis position of the carbon fiber rod, the optical fiber monitoring sensor is arranged in the core hole, and epoxy resin is filled in the core hole.
Preferably, the optical fiber monitoring sensor comprises an optical fiber and a protective sleeve sleeved outside the optical fiber.
Preferably, the optical fiber is positioned at the central part of the protective sleeve, the protective sleeve forms hollow elastic cavities at the periphery of the optical fiber, the number of the elastic cavities is four, and the intervals of the four elastic cavities are 90 degrees.
Preferably, the optical fiber is provided with gratings at intervals to form an optical fiber grating monitoring sensor.
Preferably, the optical fiber end is connected with a light meter.
Preferably, the relative position between the carbon fiber rods is kept unchanged during the spiral twisting process of the carbon fiber rods.
The beneficial effects of the invention are as follows: the cable body is formed by twisting the carbon fiber rod in a spiral way, so that the weight of the cable body is reduced, and the cable body is convenient to carry and install; the optical fiber monitoring sensor is implanted in the center of the carbon fiber rod, and the working state of the carbon fiber rod can be monitored in real time through the optical fiber monitoring sensor, so that the working condition of the whole cable body is reflected.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic cross-sectional view of a carbon fiber rod according to the present invention;
In the figure: 1.2 parts of carbon fiber rod, 3 parts of epoxy resin layer, 3 parts of core hole, 4 parts of protective sleeve, 5 parts of elastic cavity, 6 parts of optical fiber.
Detailed Description
The invention will now be further described by way of specific examples with reference to the accompanying drawings.
Example 1: a carbon fiber intelligent rope body (see fig. 1 and 2) comprises seven strands of carbon fiber rods 1 twisted in a spiral mode, wherein the center of the seven strands of carbon fiber rods is one strand, the periphery of the seven strands of carbon fiber rods is six strands, the whole exterior of the carbon fiber rods after being twisted in a spiral mode is coated with an epoxy resin layer 2, and epoxy resin invades gaps among the carbon fiber rods. In the spiral twisting process of the carbon fiber rods, the relative positions among the carbon fiber rods are kept unchanged.
In this embodiment, an optical fiber monitoring sensor is implanted in the center of each carbon fiber rod. The optical fiber monitoring sensor comprises an optical fiber 6 and a protective sleeve 4 sleeved outside the optical fiber. The optical fiber is positioned at the central part of the protective sleeve, the protective sleeve forms a hollow elastic cavity 5 at the periphery of the optical fiber, the four elastic cavities are spaced by 90 degrees, and gratings are carved on the optical fiber at intervals to form the optical fiber grating monitoring sensor.
The axis position of the carbon fiber rod is provided with a core hole 3, the optical fiber monitoring sensor is arranged in the core hole, and epoxy resin is filled in the core hole.
The cable body is formed by twisting the carbon fiber rod in a spiral way, so that the weight of the cable body is reduced, and the cable body is convenient to carry and install; the optical fiber monitoring sensor is implanted in the center of the carbon fiber rod, and the working state of the carbon fiber rod can be monitored in real time through the optical fiber monitoring sensor, so that the working condition of the whole cable body is reflected.
The foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any simple modification, variation and equivalent transformation of the above embodiment according to the technical substance of the present invention still fall within the scope of the technical solution of the present invention.
Claims (3)
1. The intelligent carbon fiber rope is characterized by comprising a plurality of spiral-twisted carbon fiber rods, wherein the outer part of the carbon fiber rods is coated with an epoxy resin layer, and an optical fiber monitoring sensor is implanted in the center of at least one carbon fiber rod; the optical fiber monitoring sensor comprises an optical fiber and a protective sleeve sleeved outside the optical fiber; the optical fiber is positioned at the central part of the protective sleeve, the protective sleeve forms hollow elastic cavities at the periphery of the optical fiber, the number of the elastic cavities is four, and the intervals between the four elastic cavities are 90 degrees;
the carbon fiber rod is provided with odd strands, one strand is arranged in the center, and even strands are arranged on the periphery;
the axis position of the carbon fiber rod is provided with a core hole, the optical fiber monitoring sensor is arranged in the core hole, and the core hole is filled with epoxy resin;
grating is carved on the optical fiber at intervals to form an optical fiber grating monitoring sensor;
The end part of the optical fiber is connected with a light receiving instrument;
in the spiral twisting process of the carbon fiber rods, the relative positions among the carbon fiber rods are kept unchanged.
2. The carbon fiber smart rope according to claim 1, wherein an optical fiber monitoring sensor is implanted in the carbon fiber rod at the center.
3. The carbon fiber smart rope according to claim 1 or 2, wherein each carbon fiber rod is embedded with an optical fiber monitoring sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711429891.2A CN108088593B (en) | 2017-12-26 | 2017-12-26 | Carbon fiber intelligent rope body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711429891.2A CN108088593B (en) | 2017-12-26 | 2017-12-26 | Carbon fiber intelligent rope body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108088593A CN108088593A (en) | 2018-05-29 |
| CN108088593B true CN108088593B (en) | 2024-05-28 |
Family
ID=62179132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711429891.2A Active CN108088593B (en) | 2017-12-26 | 2017-12-26 | Carbon fiber intelligent rope body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108088593B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112878321A (en) * | 2021-03-12 | 2021-06-01 | 江西七圆新材料有限公司 | Intelligent anchor cable integrating supporting and monitoring functions |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004019039A (en) * | 2002-06-17 | 2004-01-22 | Times Engineering:Kk | Carbon fiber strand and method for producing the same |
| CN2716315Y (en) * | 2004-04-13 | 2005-08-10 | 柳州欧维姆机械股份有限公司 | Anchor cable with sensing optical fibers and cables |
| CN201400819Y (en) * | 2009-03-04 | 2010-02-10 | 东南大学 | Basalt-fiber composite rib and basalt-fiber composite stay cable |
| CN201620357U (en) * | 2010-03-30 | 2010-11-03 | 东南大学 | Carbon fiber wire-coated steel tendon sealed guy cable |
| CN102288125A (en) * | 2011-07-27 | 2011-12-21 | 苏州南智传感科技有限公司 | Metal-based cable distributed optical fiber sensor |
| CN102324275A (en) * | 2011-09-09 | 2012-01-18 | 深圳市盟立电子有限公司 | The built on stilts electric power transfer lead of a kind of intelligence is with fiber composite plug and preparation method thereof |
| CN102347096A (en) * | 2011-09-14 | 2012-02-08 | 博睿思科技(大连)有限公司 | Carbon fiber compound core |
| CN203551855U (en) * | 2013-10-21 | 2014-04-16 | 广东亨通光电科技有限公司 | High-density high-count 8-shaped optical cable |
| JP2014218336A (en) * | 2013-05-09 | 2014-11-20 | 東京製綱株式会社 | Pendant cord and terminal structure of carbon fiber strand provided in tensioned state |
| CN104213507A (en) * | 2014-08-27 | 2014-12-17 | 中铁大桥局股份有限公司 | High-damping composite stay cable based on carbon fibers and steel strands |
| CN105004452A (en) * | 2015-07-03 | 2015-10-28 | 天津鑫坤泰预应力专业技术有限公司 | Carbon fiber composite rod used on intelligent steel strand and preparation method |
| CN106644202A (en) * | 2016-09-27 | 2017-05-10 | 王继成 | Bridge effective prestress force on-way distribution and attenuation testing device |
| CN206194442U (en) * | 2016-10-27 | 2017-05-24 | 山东科技大学 | Anti -interference optical fiber cable |
| CN107059619A (en) * | 2017-04-12 | 2017-08-18 | 浙锚科技股份有限公司 | A kind of intelligent suspension cable of parallel steel wire bridge |
| CN207850573U (en) * | 2017-12-26 | 2018-09-11 | 浙锚科技股份有限公司 | Intelligent carbon fiber cable body |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201072673Y (en) * | 2007-07-10 | 2008-06-11 | 上海南汇电缆厂 | Light-operated flexible cable of coal mining machine |
| CN202502818U (en) * | 2012-04-22 | 2012-10-24 | 河南科信电缆有限公司 | High strength carbon fiber optical fiber composite conductor |
| CN203881980U (en) * | 2014-03-26 | 2014-10-15 | 江苏亨通光电股份有限公司 | Full-medium high-intensive-type introduced optical fiber cable |
| CN104007523A (en) * | 2014-04-23 | 2014-08-27 | 晶锋集团股份有限公司 | Reinforced optical fiber cable |
| CN105632645B (en) * | 2014-06-26 | 2017-11-10 | 蒋吉明 | A kind of compact-sized optoelectrical cable |
| CN205679819U (en) * | 2016-06-03 | 2016-11-09 | 熊三庆 | A kind of overhead type multi-core fiber |
-
2017
- 2017-12-26 CN CN201711429891.2A patent/CN108088593B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004019039A (en) * | 2002-06-17 | 2004-01-22 | Times Engineering:Kk | Carbon fiber strand and method for producing the same |
| CN2716315Y (en) * | 2004-04-13 | 2005-08-10 | 柳州欧维姆机械股份有限公司 | Anchor cable with sensing optical fibers and cables |
| CN201400819Y (en) * | 2009-03-04 | 2010-02-10 | 东南大学 | Basalt-fiber composite rib and basalt-fiber composite stay cable |
| CN201620357U (en) * | 2010-03-30 | 2010-11-03 | 东南大学 | Carbon fiber wire-coated steel tendon sealed guy cable |
| CN102288125A (en) * | 2011-07-27 | 2011-12-21 | 苏州南智传感科技有限公司 | Metal-based cable distributed optical fiber sensor |
| CN102324275A (en) * | 2011-09-09 | 2012-01-18 | 深圳市盟立电子有限公司 | The built on stilts electric power transfer lead of a kind of intelligence is with fiber composite plug and preparation method thereof |
| CN102347096A (en) * | 2011-09-14 | 2012-02-08 | 博睿思科技(大连)有限公司 | Carbon fiber compound core |
| JP2014218336A (en) * | 2013-05-09 | 2014-11-20 | 東京製綱株式会社 | Pendant cord and terminal structure of carbon fiber strand provided in tensioned state |
| CN203551855U (en) * | 2013-10-21 | 2014-04-16 | 广东亨通光电科技有限公司 | High-density high-count 8-shaped optical cable |
| CN104213507A (en) * | 2014-08-27 | 2014-12-17 | 中铁大桥局股份有限公司 | High-damping composite stay cable based on carbon fibers and steel strands |
| CN105004452A (en) * | 2015-07-03 | 2015-10-28 | 天津鑫坤泰预应力专业技术有限公司 | Carbon fiber composite rod used on intelligent steel strand and preparation method |
| CN106644202A (en) * | 2016-09-27 | 2017-05-10 | 王继成 | Bridge effective prestress force on-way distribution and attenuation testing device |
| CN206194442U (en) * | 2016-10-27 | 2017-05-24 | 山东科技大学 | Anti -interference optical fiber cable |
| CN107059619A (en) * | 2017-04-12 | 2017-08-18 | 浙锚科技股份有限公司 | A kind of intelligent suspension cable of parallel steel wire bridge |
| CN207850573U (en) * | 2017-12-26 | 2018-09-11 | 浙锚科技股份有限公司 | Intelligent carbon fiber cable body |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108088593A (en) | 2018-05-29 |
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