CN213814065U - Intelligent wrapping belt - Google Patents
Intelligent wrapping belt Download PDFInfo
- Publication number
- CN213814065U CN213814065U CN202120001979.XU CN202120001979U CN213814065U CN 213814065 U CN213814065 U CN 213814065U CN 202120001979 U CN202120001979 U CN 202120001979U CN 213814065 U CN213814065 U CN 213814065U
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- CN
- China
- Prior art keywords
- optical fiber
- winding
- optic fibre
- cable
- band
- 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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- 239000013307 optical fiber Substances 0.000 claims abstract description 75
- 229920003023 plastic Polymers 0.000 claims abstract description 28
- 239000004033 plastic Substances 0.000 claims abstract description 28
- 239000010410 layer Substances 0.000 claims abstract description 20
- 239000011241 protective layer Substances 0.000 claims abstract description 12
- 238000004804 winding Methods 0.000 claims abstract description 12
- 239000003365 glass fiber Substances 0.000 claims abstract description 7
- 239000011247 coating layer Substances 0.000 claims abstract description 6
- 239000013308 plastic optical fiber Substances 0.000 claims abstract description 5
- 239000003822 epoxy resin Substances 0.000 claims description 8
- 229920000647 polyepoxide Polymers 0.000 claims description 8
- 239000011253 protective coating Substances 0.000 claims description 5
- 239000000835 fiber Substances 0.000 abstract description 35
- 239000011248 coating agent Substances 0.000 abstract description 17
- 238000000576 coating method Methods 0.000 abstract description 17
- 239000000463 material Substances 0.000 abstract description 6
- 239000004593 Epoxy Substances 0.000 abstract description 5
- 239000000853 adhesive Substances 0.000 abstract description 5
- 230000001070 adhesive effect Effects 0.000 abstract description 5
- 230000002265 prevention Effects 0.000 abstract description 3
- 230000001568 sexual effect Effects 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 description 7
- 238000005260 corrosion Methods 0.000 description 7
- 229920001971 elastomer Polymers 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 239000004698 Polyethylene Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 229920000573 polyethylene Polymers 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000007547 defect Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 229920002681 hypalon Polymers 0.000 description 4
- 230000004224 protection Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000011900 installation process Methods 0.000 description 3
- 230000008447 perception Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006750 UV protection Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 238000001192 hot extrusion Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000000246 remedial effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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- Ropes Or Cables (AREA)
Abstract
An intelligent wrapping belt relates to a wrapping belt; including winding the band body, there is optic fibre along the length direction embedding of winding the band body in winding the band body, and this optic fibre coats or crowded package has the optic fibre protective layer on the surface, and has the epoxy layer at the internal surface coating of winding the band body, has the fire prevention heat insulating coating layer in the surface coating still. The optical fiber is a plastic optical fiber or a glass fiber optical fiber. The number of the optical fibers is 4-10, the optical fibers are divided into a working optical fiber group and a standby optical fiber group, and the working optical fiber group and the standby optical fiber group are embedded into the pvf plastic tapes in a parallel connection mode. The utility model discloses an it has optic fibre to imbed in the winding band body, and has the epoxy layer at the internal surface coating of winding the band body, can improve the adhesive force of winding the band to the cable, makes optic fibre can accurate detect out the atress deformation condition of winding band and cable, has characteristics such as comprehensive properties is good, save material, sexual valence relative altitude, insurance function is good, easily uses widely.
Description
Technical Field
The utility model relates to a twine the band, especially a twine wisdom of wrapping on engineering cable and twine the band.
Background
The stay cable bears fatigue load for a long time, is mostly positioned in regions crossing rivers and gulfs, is exposed in environments with wind, rain, moisture and air pollution for a long time, and is easy to suffer from the problems of corrosion, part of cable body splitting and the like. At present, the protection of a stay cable body generally adopts a hot extrusion high density Polyethylene (PE) sheath or an outer sheath PE pipe for protection, and the protection effect is achieved by the characteristics of good air tightness, water tightness, ultraviolet resistance and the like of a PE material. However, the PE sheath has the phenomenon of air bubbles or uneven thickness in the production process and the PE sheath is damaged and scratched in the transportation and installation processes, so that most of the general stay cables have defects (corrosion of internal steel wires, corrosion of anchor heads and the like) after being used for more than ten years.
In order to delay corrosion of internal reinforcing steel bars of the stay cable and prolong the service life of the stay cable, most of the stay cable bridges adopt a mode of wrapping common pvf plastic belts to protect the stay cable, but because whether the overlapping rate of the wrapping belts is reasonable or not and the stress state of the stay cable cannot be determined, certain material waste is often caused and the stress deformation condition of the stay cable in the using process cannot be determined, and once a defect occurs, the stay cable can be repaired after the obvious damage phenomenon occurs. In addition, only the characteristic of the pvf plastic belt is considered in the mode, and if the pvf plastic belt is damaged, the inhaul cable is exposed to the atmosphere and is more prone to damage such as corrosion. In the prior art, optical fibers are embedded in a cable body of the inhaul cable so as to sense the stress deformation state of the inhaul cable, but the structure needs to be subjected to additional inhaul cable stress detection, and the cost is higher.
The utility model discloses a utility model patent of grant publication No. CN208292914U discloses a pipeline or cable is self-adhered rubber twines band for corrosion protection, and this patent discloses that along the length direction of twining the band in the lower chlorosulfonated polyethylene rubber layer of twining the band has inlayed optic fibre or hollow hose, has following weak point: (1) the optical fiber is embedded in the lower chlorosulfonated polyethylene rubber layer, the outer surface of the lower chlorosulfonated polyethylene rubber layer is a back rubber layer, and the chlorosulfonated polyethylene rubber layer and the back rubber layer have the main function of corrosion prevention and cannot deform the optical fiber in cooperation with the inhaul cable; (2) the optical fiber embedded in the wrapping tape is not added with a protective layer, and the optical fiber is fragile in nature and easy to break in the transportation and installation processes; (3) the optical fiber or the hollow tube embedded in the wrapping tape is mainly used for detecting whether the wrapping tape is damaged or not, if the wrapping tape is damaged, the wrapping tape is repaired, and the optical fiber or the hollow tube in the wrapping tape is easy to damage in the repairing process and cannot work continuously.
Disclosure of Invention
The to-be-solved technical problem of the utility model is: the utility model provides an wisdom twines band to solve the atress deformation condition, the extravagant, the high shortcoming of cost of the uncertain cable that exist among the prior art.
The technical scheme for solving the technical problems is as follows: the utility model provides an intelligence is twined and is taken, includes and twines the area body, has optic fibre along the length direction embedding of twining the area body in twining the area body, and this optic fibre coats or crowded package has the optic fibre protective layer on the surface, and has epoxy layer at the internal surface coating of twining the area body.
The utility model discloses a further technical scheme is: the wrapping belt body is pvf plastic belts, and the outer surface of the pvf plastic belt is further coated with a fireproof heat-insulating coating layer.
The utility model discloses a further technical scheme is: the optical fiber is a plastic optical fiber or a glass fiber optical fiber.
The utility model discloses a further technical scheme is: the optical fiber quantity have 4 ~ 10, divide into work optical fiber group and reserve optical fiber group, work optical fiber group and reserve optical fiber group adopt the mode of connecting in parallel to imbed in pvf plastic tapes.
The utility model discloses a further technical scheme is: the optical fiber protective layer is an optical fiber protective coating layer coated on the surface of the optical fiber or an extruded optical fiber protective layer.
Due to the adoption of the structure, the utility model discloses a wisdom twines band compares with prior art, has following beneficial effect:
1. can accurately detect the stress deformation condition of the wrapping belt and the inhaul cable
The utility model discloses an it has optic fibre to follow the length direction embedding that twines the band body in twining the band body, and has the epoxy layer in the internal surface coating that twines the band body, utilizes epoxy to possess the nature of extremely strong adhesive force to the metal, can improve greatly and twine the adhesive force of band to the cable for optic fibre can warp with the cable is synchronous, and then makes the optic fibre can accurately detect out the atress deformation condition that twines band and cable.
2. Can improve the safety and reliability of the engineering inhaul cable
Because the utility model discloses an optic fibre can the perception twine the atress deformation condition of band and cable, can assist the production of discovering the new defect of cable in cable work progress or the cable in the future patrols and examines, in case can take remedial measure immediately after discovering partial cable production defect, in time maintain or change the cable, need not to wait the cable and appear obviously destroying the phenomenon to can improve the fail safe nature of engineering cable greatly.
3. Saving material
The utility model discloses an it has optic fibre to follow the length direction embedding that twines the band body in twining the band body, can the perception twine the atress deformation condition in band, whether the overlapping rate that twines the band can be confirmed through the atress condition that twines the band is reasonable to but material saving avoids the waste of material.
4. Good comprehensive performance
The utility model has the advantages that the inner surface of the wrapping belt body is coated with the epoxy resin layer, the epoxy resin has excellent paint film adhesive force to metal, the adhesive force of the wrapping belt to the inhaul cable can be greatly improved, and the inhaul cable has good heat resistance and electrical insulation property; the utility model discloses still the surface coating at the winding band body has the thermal-insulated dope layer of fire prevention, can not only play the thermal-insulated effect of fire prevention to the acting as go-between, also can further protect pvf plastic tape. Therefore, the utility model discloses an wisdom twines band comprehensive properties is relatively better, has solved exist among the prior art if pvf plastic tape appear destroying even the cable exposes the weak point in the atmosphere.
5. High cost performance
The utility model discloses a wisdom twines band kinking package back on the cable for wisdom twines band can warp with the cable is synchronous, has given the ability that cable oneself perception atress warp, and its detection effect is showing, need not to carry out other cable atress and detects, simultaneously the utility model discloses be in the same place optic fibre and pvf plastic tape coupling, it is more economical and reasonable than singly twine a package pvf plastic tape or imbed optic fibre on the cable body in addition. Therefore, the utility model discloses a sexual valence relative altitude.
6. Has good safety function
The optical fiber of the utility model mainly has the functions of detecting the stress state of the inhaul cable and detecting whether the wrapping belt is damaged or not; just the utility model discloses an optic fibre comprises 4 to 10 optic fibres, divide into work optic fibre group and reserve optic fibre group, and work optic fibre group and reserve optic fibre group adopt parallelly connected mode combination, if work optic fibre group fracture, removable reserve optic fibre group continues work for when optic fibre can high-efficient work, also possesses good insurance function.
7. Can prevent the optical fiber from breaking in the processes of transportation, installation and the like
The utility model discloses select fiber material earlier according to the advantage, optic fibre can take plastic fiber according to the environment that the cable is located, also can take glass fiber optic fibre, has selected behind the optic fibre at optic fibre surface coating optic fibre protective coating layer or crowded package optic fibre protective layer, and then can prevent that optic fibre from appearing the phenomenon of splitting in the in-process such as transportation, installation.
The technical features of the intelligent wrapping band of the present invention will be further described with reference to the accompanying drawings and examples.
Drawings
FIG. 1: embodiment a structure schematic diagram of the intelligent wrapping belt of the present invention,
FIG. 2: embodiment A cross-sectional view of the intelligent wrapping tape of the present invention,
FIG. 3: the schematic diagram of the cable structure after installing the intelligent wrapping belt of the present invention,
FIG. 4: the cross section of the inhaul cable after the intelligent winding belt of the utility model is installed;
in the above drawings, the reference numerals for the various parts are as follows:
1-pvf plastic belt, 2-optical fiber, 3-epoxy resin layer, 4-fireproof heat-insulating coating layer and 5-stay cable.
Detailed Description
Example one
An intelligent wrapping tape comprises a wrapping tape body, wherein the wrapping tape body is pvf plastic tape 1, and an epoxy resin layer 3 is coated on the inner surface of pvf plastic tape 1; the outer surface of the pvf plastic strip is coated with a fireproof heat-insulating coating layer 4, and the fireproof heat-insulating coating layer 4 can be made of fireproof heat-insulating materials such as ceramic fibers, glass fibers, alumina fibers and the like according to the environment.
An optical fiber 2 capable of sensing the stressed deformation of the pvf plastic strip and monitoring construction quality is embedded in the pvf plastic strip 1 along the length direction of the pvf plastic strip, and the optical fiber 2 is a plastic optical fiber or a glass fiber optical fiber; the optical fiber 2 is coated with an optical fiber protective coating layer or is extruded with an optical fiber protective layer, the number of the optical fibers 2 is 4-10, the optical fibers are divided into a working optical fiber group and a standby optical fiber group, and the working optical fiber group and the standby optical fiber group are embedded into the pvf plastic tape 1 in a parallel connection mode.
As a variation of the first embodiment, the outer surface of the cable may be coated with an epoxy resin coating.
The utility model discloses a manufacture process as follows:
A. selecting optical fibers
Selecting a plastic optical fiber or a glass fiber optical fiber according to the environment of the stay cable;
B. coating or extruding protective layer for optical fibre
After the optical fiber is selected, coating an optical fiber protective coating layer or extruding an optical fiber protective layer on the surface of the optical fiber to prevent the optical fiber from being broken in the transportation and installation processes;
C. extrusion pvf plastic strip forming
Extruding pvf plastic tape to shape and embedding the optical fiber into pvf plastic tape along the length direction of pvf plastic tape; the number of the optical fibers is 4-10, the optical fibers are divided into a working optical fiber group and a standby optical fiber group, and the optical fibers are uniformly distributed;
D. coating epoxy resin coating and fireproof heat insulation coating
The manufacturing of the intelligent wrapping tape of the optical fiber-pvf plastic tape is completed by coating the inner surface of the pvf plastic tape embedded with the optical fiber with an epoxy resin coating and coating the outer surface with a fireproof heat-insulating coating.
When in use, firstly, the intelligent wrapping belt is wrapped on the engineering inhaul cable in a double-spiral wrapping mode; the contact area between the optical fiber and the stay cable body can be increased, so that the obtained stress data is more accurate, meanwhile, the overlapping rate of the wrapping is over 60 percent by adopting an overlapping wrapping method, and the stay cable body can be protected more effectively from corrosion, ultraviolet irradiation and the like. After the wrapping is finished, leading out the optical fiber from the end part of the intelligent wrapping belt, and detecting the wrapping process through Brillouin scattering; the led-out optical fiber is connected with the fiber bragg grating sensor, if necessary, the power supply can be switched on, and the stress deformation detection can be carried out on the inhaul cable.
Claims (5)
1. The utility model provides an intelligence is twined and is taken, includes and twines the area body, its characterized in that: optical fiber (2) is embedded in the wrapping belt body along the length direction of the wrapping belt body, an optical fiber protective layer is coated or extruded on the surface of the optical fiber (2), and an epoxy resin layer (3) is coated on the inner surface of the wrapping belt body.
2. The intelligent taping tape of claim 1, wherein: the wrapping belt body is pvf plastic strap (1), and the outer surface of pvf plastic strap (1) is coated with fireproof heat-insulating coating layer (4).
3. The intelligent taping tape of claim 1, wherein: the optical fiber (2) is a plastic optical fiber or a glass fiber optical fiber.
4. The intelligent taping tape of claim 1, wherein: the optical fiber winding and wrapping belt is characterized in that the number of the optical fibers (2) is 4-10, the optical fibers are divided into a working optical fiber group and a standby optical fiber group, and the working optical fiber group and the standby optical fiber group are embedded into the winding and wrapping belt body in a parallel connection mode.
5. The intelligent taping tape of claim 1, 2, 3 or 4, wherein: the optical fiber protective layer is an optical fiber protective coating layer coated on the surface of the optical fiber (2) or an extruded optical fiber protective layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120001979.XU CN213814065U (en) | 2021-01-04 | 2021-01-04 | Intelligent wrapping belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120001979.XU CN213814065U (en) | 2021-01-04 | 2021-01-04 | Intelligent wrapping belt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213814065U true CN213814065U (en) | 2021-07-27 |
Family
ID=76948283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120001979.XU Expired - Fee Related CN213814065U (en) | 2021-01-04 | 2021-01-04 | Intelligent wrapping belt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213814065U (en) |
-
2021
- 2021-01-04 CN CN202120001979.XU patent/CN213814065U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210727 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |