CN209353227U - The main push-towing rope strand of carbon fiber-containing composite material intelligent muscle - Google Patents
The main push-towing rope strand of carbon fiber-containing composite material intelligent muscle Download PDFInfo
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- CN209353227U CN209353227U CN201821394505.0U CN201821394505U CN209353227U CN 209353227 U CN209353227 U CN 209353227U CN 201821394505 U CN201821394505 U CN 201821394505U CN 209353227 U CN209353227 U CN 209353227U
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- towing rope
- main push
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Abstract
The utility model relates to a kind of main push-towing rope strands of carbon fiber-containing composite material intelligent muscle, including one or more carbon fibre composite intellectual rib and several steel wires, the carbon fibre composite intellectual rib includes optical fiber, optical fiber is equipped with several fiber-optic grating sensors, the fiber-optic grating sensor be installed on the main cable saddle on main cable strand, dissipate cord clip, at cord clip, middle span centre point and anchor head point position, strand surface pass through the band wrapping that is wrapped.The deformation and stress state of main push-towing rope different parts can be monitored in real time using the main push-towing rope of the strand, improve main rope of suspension bridge safety in utilization.
Description
Technical field
The utility model relates to a kind of main push-towing rope strands of carbon fiber-containing composite material intelligent muscle, are mainly used for suspension bridge master
Cable.
Background technique
Main push-towing rope is the main supporting member of suspension bridge, it is difficult to replace, referred to as the lifeline of suspension bridge, generally require
100 years or more service life, during military service, main push-towing rope steel wire will receive the shadow of the corrosive mediums such as marine climate, moisture
It rings and corrodes, seriously affect safety and the durability of bridge.Therefore the reality to main push-towing rope long-term work state how is realized
When monitor, it is ensured that the safety in validity period is the key that the development of modern bridge cable technology.
Due to the geometry linear construction features of main push-towing rope itself, main rope of suspension bridge steel wire the deformation of different parts and stress simultaneously
It is not identical, such as at saddle and cord clip there is bending and the caused stress that rubs in main push-towing rope steel wire.Traditional stress mornitoring means,
That there are precision is low, stability is poor, can not obtain main push-towing rope different parts stress state is unable to real time on-line monitoring.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency proposes a kind of main push-towing rope of carbon fiber-containing composite material intelligent muscle
With strand, the deformation and stress state of main push-towing rope different parts can be monitored in real time using the main push-towing rope of the strand, be on active service for main push-towing rope
Phase health status provides science data, avoids risk.
Purpose of the utility model is realized as follows:
A kind of main push-towing rope strand of carbon fiber-containing composite material intelligent muscle, including one or more carbon fibre composite intelligence
Energy muscle and several steel wires, the carbon fibre composite intellectual rib include optical fiber, and optical fiber is equipped with several optical fiber grating sensings
Device, the fiber-optic grating sensor be installed on the main cable saddle on main cable strand, dissipate cord clip, at cord clip, middle span centre point and anchor head point
Position, strand surface pass through the band wrapping that is wrapped.
The main push-towing rope strand of carbon fiber-containing composite material intelligent muscle, the main push-towing rope be include be made of multiply strand positive six
Side shape cable.
Preferably, the optical fiber containing fiber-optic grating sensor is drawn from the anchorage tail portion at strand both ends, the optical fiber
It can be wired on the optical time domain reflectometer of energy detection fiber grating variation.
Preferably, the strand cross section is hexagon, in strand carbon fibre composite intellectual rib and steel wire radical it
Be 61,91,127 or 169.
Compared with prior art, the utility model has the beneficial effects that
1, a kind of main push-towing rope strand of carbon fiber-containing composite material intelligent muscle of the utility model will contain fiber-optic grating sensor
Optical fiber, carbon fiber composite reinforcement and main rope of suspension bridge steel wire strand organically combine, preferably solve and pass fiber grating
Sensor is applied to the problem of protection problem and installation technics of main rope of suspension bridge steel wire strand, can be effectively protected optical fiber and light
Fiber grating sensor prolongs the service life.
2. the intelligent strand of the utility model production is used for main rope of suspension bridge, have main rope of suspension bridge special from perceiving
Property, sensing characteristics have the advantages that all of fiber grating, and main push-towing rope in construction and during one's term of military service different key can be monitored in real time
The deformation and stress state at position improve main rope of suspension bridge safety in utilization.
3, the utility model helps to realize the real-time monitoring and intelligent management of entire main rope of suspension bridge, and production method
Simply, it rationally, suits large area to popularize.
Detailed description of the invention
Fig. 1 is that the utility model chooses main rope of suspension bridge key position structural schematic diagram.
Fig. 2 is the carbon fibre composite intellectual rib structural schematic diagram that the utility model uses.
Fig. 3 is the setting structure schematic diagram of carbon fibre composite intellectual rib and steel wire in the utility model strand.
Fig. 4 is the structural schematic diagram of the intelligent main push-towing rope of suspension bridge.
Wherein:
Carbon fibre composite intellectual rib 1
Optical fiber 2
Fiber-optic grating sensor 3
Plastics loose tube 4
Stainless steel sleeve pipe 5
Steel wire 6
Strand 7
Anchorage 8
Connecting cylinder 9
Be wrapped band 10
Wire sub-panel 11
Epoxy chill casting filler 12
Epoxy resin sealing material 13
Conducting wire 14
Optical time domain reflectometer 15
Main cable saddle 16
Dissipate cable saddle 17
Middle span centre point 18
Anchor head point 19
20 at cord clip
Specific embodiment
Referring to Fig. 1-2, main rope of suspension bridge strand length is first calculated according to target suspension bridge engineering project, and finds main push-towing rope
Main cable saddle on strand, dissipate cord clip, at cord clip, the position of the key positions such as middle span centre point and anchor head point, production passes containing fiber grating
The optical fiber 2 of sensor 3, and fiber-optic grating sensor 3, the optical fiber light are arranged on optical fiber 2 according to the position of above-mentioned key position
Gate sensor 3 has high microstrain amount and high-temperature stability, microstrain amount up to the 8000 μ ε of μ ε~16000, heatproof up to 180 DEG C with
On；The plastics loose tube 4 that 2 both ends of optical fiber are put on to 1 meter to 2 meters will contain fiber-optic grating sensor 3 by pultrusion molding process
Optical fiber 2, carbon fiber and epoxy resin are fabricated to carbon fibre composite intellectual rib 1, and optical fiber 2 is located at carbon fibre composite intelligence
Inside muscle 1, molding epoxy resin uses high-temperature-resistant epoxy resin, it is desirable that the glass transition temperature of epoxy resin is 220 DEG C, by carbon fiber
The both ends for tieing up composite material intelligent muscle 1 are peeled off from the position containing plastics loose tube 4, expose optical fiber 2, stainless steel sleeve pipe 5 can be used
Protect exposed optical fiber 2.
Referring to Fig. 3-4, one or more carbon fibre composite intellectual rib 1 and several steel wires 6 are formed into strand 7, rope
7 cross-sectional shapes of stock are hexagon, in strand 7 the sum of carbon fibre composite intellectual rib 1 and 6 radical of steel wire be 61,91,
127 or 169, the quantity and position that carbon fibre composite intellectual rib 1 is arranged in strand 7 can be according to actual monitoring need
Depending on asking；Then with high intensity sizing be wrapped band 10 equally spacedly to strand 7 after molding carry out shaping wrapping to guarantee leading
Not filoselle during drawing；7 both ends of strand are furnished with anchorage 8 and connecting cylinder 9, and carbon fibre composite intellectual rib 1 and steel wire 6 are in anchorage
It diverges and in 8, positioned with wire sub-panel 11；Epoxy chill casting filler 12 is perfused in anchorage 8, for anchoring strand 7, connecting cylinder 9
Middle perfusion normal-temperature curing epoxy resin seal material 13；Optical fiber 2 containing fiber-optic grating sensor 3 is drawn from 8 tail portion of both ends anchorage, can
It is connected to by conducting wire 14 on the optical time domain reflectometer 15 of energy detection fiber grating variation.
In suspension bridge main cable construction and during one's term of military service, carbon fibre composite intelligence can be monitored by optical time domain reflectometer 15
Muscle 1 becomes in the deformation and stress state of main push-towing rope difference key position according to adjacent wires 6 and carbon fibre composite intellectual rib 1
The consistent principle of shape can obtain steel wire 6 in the deformation and stress state of main push-towing rope difference key position.
Claims (4)
1. a kind of main push-towing rope strand of carbon fiber-containing composite material intelligent muscle, it is characterised in that: including one or more carbon fiber
Composite material intelligent muscle (1) and several steel wires (6), the carbon fibre composite intellectual rib (1) includes optical fiber (2), optical fiber
(2) several fiber-optic grating sensors (3) are equipped with, the fiber-optic grating sensor (3) be installed on main cable saddle on main cable strand,
Dissipate cord clip, at cord clip, middle span centre point and anchor head point position, strand (7) surface wrapped up by the band (10) that is wrapped.
2. a kind of main push-towing rope strand of carbon fiber-containing composite material intelligent muscle according to claim 1, it is characterised in that: institute
Stating strand (7) cross section is hexagon, and the sum of carbon fibre composite intellectual rib (1) and steel wire (6) radical are 61 in strand (7)
Root, 91,127 or 169.
3. a kind of main push-towing rope strand of carbon fiber-containing composite material intelligent muscle according to claim 1, it is characterised in that: institute
It states the optical fiber (2) containing fiber-optic grating sensor (3) to draw from anchorage (8) tail portion at strand (7) both ends, the optical fiber (2) can
It is connected to by conducting wire (14) on the optical time domain reflectometer (15) of energy detection fiber grating variation.
4. a kind of main push-towing rope strand of carbon fiber-containing composite material intelligent muscle according to claim 3, it is characterised in that: institute
It states in anchorage (8) and is equipped with wire sub-panel (11), be provided with connecting cylinder (9) in the end of the strand (7), in the connecting cylinder (9)
Infusion epoxy resin sealing material (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821394505.0U CN209353227U (en) | 2018-08-28 | 2018-08-28 | The main push-towing rope strand of carbon fiber-containing composite material intelligent muscle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821394505.0U CN209353227U (en) | 2018-08-28 | 2018-08-28 | The main push-towing rope strand of carbon fiber-containing composite material intelligent muscle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209353227U true CN209353227U (en) | 2019-09-06 |
Family
ID=67778436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821394505.0U Active CN209353227U (en) | 2018-08-28 | 2018-08-28 | The main push-towing rope strand of carbon fiber-containing composite material intelligent muscle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109183617A (en) * | 2018-08-28 | 2019-01-11 | 法尔胜泓昇集团有限公司 | The main push-towing rope strand and installation method of carbon fiber-containing composite material intelligent muscle |
| CN113200707A (en) * | 2021-04-30 | 2021-08-03 | 中铁大桥(郑州)缆索有限公司 | Low-temperature curing chill casting filler for carbon fiber cable chill casting anchorage device and manufacturing method thereof |
-
2018
- 2018-08-28 CN CN201821394505.0U patent/CN209353227U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109183617A (en) * | 2018-08-28 | 2019-01-11 | 法尔胜泓昇集团有限公司 | The main push-towing rope strand and installation method of carbon fiber-containing composite material intelligent muscle |
| CN113200707A (en) * | 2021-04-30 | 2021-08-03 | 中铁大桥(郑州)缆索有限公司 | Low-temperature curing chill casting filler for carbon fiber cable chill casting anchorage device and manufacturing method thereof |
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