CN104515729A - Fiber composite core rapid aging detection device - Google Patents
Fiber composite core rapid aging detection device Download PDFInfo
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- CN104515729A CN104515729A CN201410742687.6A CN201410742687A CN104515729A CN 104515729 A CN104515729 A CN 104515729A CN 201410742687 A CN201410742687 A CN 201410742687A CN 104515729 A CN104515729 A CN 104515729A
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- CN
- China
- Prior art keywords
- composite core
- fiber composite
- pick
- liquid container
- corrosive liquid
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- 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
- 239000002131 composite material Substances 0.000 title claims abstract description 87
- 239000000835 fiber Substances 0.000 title claims abstract description 53
- 230000032683 aging Effects 0.000 title claims abstract description 22
- 238000001514 detection method Methods 0.000 title abstract description 4
- 239000007788 liquid Substances 0.000 claims abstract description 35
- 230000007797 corrosion Effects 0.000 claims abstract description 15
- 238000005260 corrosion Methods 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229920003023 plastic Polymers 0.000 claims abstract description 7
- 239000011521 glass Substances 0.000 claims abstract description 5
- 239000004033 plastic Substances 0.000 claims abstract description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 15
- 239000010931 gold Substances 0.000 claims description 15
- 229910052737 gold Inorganic materials 0.000 claims description 15
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 12
- 239000011888 foil Substances 0.000 claims description 9
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- 239000011780 sodium chloride Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 230000008020 evaporation Effects 0.000 claims description 4
- 238000001704 evaporation Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 229920006169 Perfluoroelastomer Polymers 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 229920002379 silicone rubber Polymers 0.000 claims description 2
- 239000004945 silicone rubber Substances 0.000 claims description 2
- 239000000126 substance Substances 0.000 abstract description 9
- 230000035882 stress Effects 0.000 abstract description 2
- 238000011056 performance test Methods 0.000 abstract 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 238000003916 acid precipitation Methods 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 150000001875 compounds Chemical group 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000012611 container material Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000006193 liquid solution Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Landscapes
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention provides a fiber composite core rapid aging detection device. Link fittings are installed at both ends of the fiber composite core. The detection device comprises a horizontal fixation platform, flanges vertically arranged at both ends on one same side of the fixation platform and used for fixing the link fittings, a water bath box arranged between the flanges, and a corrosive liquid container disposed in the water bath box to dip the fiber composite core. The corrosive liquid container is a plastic container or glass container, and is preferably brown. While performing chemical corrosion on the composite core rod, the device can add certain tension at both ends so as to be closer to the actual use conditions of the composite core, therefore the device is suitable for stress corrosion performance test of the fiber composite core.
Description
Technical field
The present invention relates to a kind of pick-up unit, specifically relate to a kind of fiber composite core quick aging pick-up unit.
Background technology
Fiber composite core wire is a kind of energy-saving capacity-improving conducting wires, be made up of with the aluminium be wrapped in outside fiber composite core the fiber composite core of its inside, the plug that fiber composite core is synthesized by Extra High Strength carbon fiber substitutes traditional steel core and steel strand wires, and outer aluminium employing formalizes, and aluminium is stranded to be formed.When same conductor cross section, relative to conventional steel core aluminum stranded wire, it has high strength, low arc drop, the feature such as high temperature resistant, can use on large span, high-capacity leads circuit.
But compound core conducting wire and the maximum difference of conventional steel core aluminum stranded wire are that the resin material in operating mode use procedure in composite core rod can be subject to the impact of chemical corrosion.Composite core chemical corrosion is mainly from the following aspects: one be in China Hunan, Hubei one is with acid rain situation comparatively serious, acid rain can be filled into composite core surface through aluminum stranded conductor, thus corrodes composite core; Two is comparatively serious in China's Coastal Areas salt fog situation, and salinity also can be deposited on composite core surface with rainwater, thus affects composite core performance; Three is in circuit operational process, and corona discharge can make air ionize, thus forms a nitric acid corrosion environment on composite core surface.Chemical corrosion can cause the destruction of composite core rod micromechanism and the deterioration of mechanical property, thus adds the operation risk of compound core conducting wire, therefore needs to carry out chemical corrosion accelerated deterioration to composite core.
In order to study the deterioration that fiber composite core causes because of chemical corrosion, need to provide a kind of fiber composite core quick aging pick-up unit, accelerated deterioration detection is carried out to the stress corrosion of fiber composite core under actual condition environment, to obtain reliable composite core resist chemical performance fast.
Summary of the invention
In order to solve the problems referred to above existing in prior art, the invention provides a kind of fiber composite core quick aging pick-up unit.
Technical scheme provided by the invention is: a kind of fiber composite core quick aging pick-up unit, and described fiber composite core two ends are provided with connection gold utensil; Its improvements are: described pick-up unit comprises horizontal stationary platform, is vertically arranged on the flange for fixing described connection gold utensil at described stationary platform homonymy two ends, is located at the water bath between described flange and is located at the corrosive liquid container for flooding described fiber composite core in described water bath; Described corrosive liquid container is plastic containers or glass container, especially with brown be good.
Preferably, described connection gold utensil is between described stationary platform two end flanges, and one end and the composite core of described connection gold utensil are fixed, and its other end and screw rod are fixed, the other end of described screw rod stretches out the outer 8-12cm of described flange, and is fixed on described flange by the nut outside described flange.
Further, the chamber wall of corrosive liquid container both sides is symmetrically arranged with the vertical draw-in groove that a row is parallel to each other, the flexible seal of described draw-in groove internal fixtion, described elastic sealing element is provided with the circular hole that aperture is less than described fiber composite core diameter; Described fiber composite core is arranged in described corrosive liquid container by described circular hole interference.
Further, described elastic sealing element is silicone-rubber seals or FFKM seal, and described Circularhole diameter is less than described fiber composite core diameter 15%-20%.
Preferably, the thickness of described corrosive liquid container is 0.5cm; Described corrosive liquid container content has mass concentration is the salpeter solution of 10%-40%, mass concentration is 10%-40% sulfuric acid solution or NaCl mass concentration to be any one solution in the NaCl solution of 10%-25%; Described solution temperature is 20 DEG C-80 DEG C, and described liquid level of solution exceeds described more than fiber composite core 3cm.
Further, be also provided with the pH varitrol for regulating solution ph in described corrosive liquid container, described pH varitrol comprises pH on-line checkingi instrument, pH sensor, volume pump and dosing tank; When fluctuating in pH value ± 0.3 of described solution, described pH varitrol regulates automatically.
Further, described corrosive liquid container top is provided with for reducing solution evaporation, and the convenient transparent plastic cover observing the corrosion condition of fiber composite core.
Further, water bath is provided with self-heating apparatus for controlling the solution temperature in described corrosive liquid container and temp controlled meter.
Further, the connection gold utensil of fiber composite core one end is pasted with foil gauge, and described foil gauge is connected with remote supervisory and control(ling) equipment; By rotating the nut of this end, make described nut along screw axis direction extruding flange, apply tension force to described fiber composite core, described remote supervisory and control(ling) equipment monitors the size of applied tension force in real time by foil gauge, ensures the stable of load.
Further, described nut is 2-8 ton to the Tensity size that fiber composite core applies.
With immediate prior art ratio, the present invention has following excellent effect:
1) pick-up unit provided by the invention is easy for installation, can realize the accurate control of water bath temperature, etchant solution concentration and applying tensioning load;
2) the present invention can increase certain tension force at two ends while carrying out chemical corrosion to composite core rod, enables more close to the actual applying working condition of composite core, thus the corrosion resistance testing result making fiber composite core more accurately and reliably.
3) corrosive liquid container both sides arrange the draw-in groove that a row is parallel to each other, draw-in groove installs elastic sealing element, fiber composite core is arranged in corrosive liquid container by interference fit, the particular/special requirement that fiber composite core aging sample requirement amount is large, consistance is strong can be met;
4) the present invention applies tension force by mechanical load mode to fiber composite core, easily can tackle the digestion period of every batch of fiber composite core more than at least 10000 hours under normal circumstances, compared with the mode of carrying out load on microcomputer controlled electro-hydraulic servo equipment, power consumption can be reduced, reduce costs, reduce equipment maintenance cost;
5) composite core two ends are installed and are connected gold utensil, and when applying tension force to composite core, connecting gold utensil can provide the power load being not less than 10 tons, overcomes conventional equipment chuck and provides the defect that power load is less, strengthen the reliability of pick-up unit.
Accompanying drawing explanation
Fig. 1 is the structural representation of fiber composite core quick aging pick-up unit;
Fig. 2 is the structural representation of corrosive liquid container in Fig. 1;
Wherein 1-stationary platform, 2-water bath, 3-flange, 4-connects gold utensil, 5-composite core, 6-corrosive liquid container, 7-foil gauge, 8-nut, 9-screw rod, 10-draw-in groove, 11-seal.
Embodiment
In order to understand the present invention better, below in conjunction with Figure of description and example, content of the present invention is described further.
The invention provides a kind of fiber composite core quick aging pick-up unit.Device is primarily of tension force loading structure, and heating apparatus and chemical concentrations balance device three part are formed.
Composite core type comprises pure carbon fiber composite core, the fine composite core of glass carbon coated, full high-strength fiber glass composite core.Tension force loading procedure is: two ends install the composite core of electric armour clamp, through the circular hole of two rigid limit flange central authorities being fixed on test platform, the length of about 10cm is stretched out at two ends respectively, the connection gold utensil of composite core one end utilizes screw rod and nut and flange to maintain static (nut external diameter is greater than flange aperture), foil gauge pasted by the connection gold utensil of the composite core other end, and pass through rotating nut at the flange outboard end of this end, make nut along screw extruding flange, thus tension force is applied to composite core, Tensity size is 2-8 ton; Foil gauge connects remote supervisory and control(ling) equipment, can carry out enforcement monitoring, ensure the stability of load to the change of applied Tensity size.
Corrosive liquid container material can adopt the brown glass container or the thick plastic material of 0.5cm that 0.5cm is thick, the sulfuric acid solution that corrosive liquid mass concentration is the salpeter solution of 10%-40%, mass concentration is 10%-40% or NaCl mass concentration are any one in the NaCl solution of 10-25%, and corrosive liquid solution temperature ranges is 20 DEG C-80 DEG C.
Composite core constant temperature or alternation temperature ageing process are realized by the water bath device outside corrosive liquid container.Heating apparatus and temp controlled meter are installed in water bath, experimentally demand can automatically regulate the water temperature in water bath.
Composite core is smooth pole structure, and length is 1m, and two ends are about 20cm and stretch out outside corrosive liquid container, utilizes composite core electric armour clamp to connect, and connect pulling force and usually should be greater than 10 tons, composite core stage casing is immersed in corrosive liquid, and liquid level need exceed more than composite core 3cm.Corrosive liquid container both sides outer wall is according to sample quantities processing one row draw-in groove, and be used for fixing corrosion-resistant, high resiliency silica gel or FFKM seal, composite core sample forms seal cavity through the circular hole in the middle of seal.Seal Circularhole diameter is less than composite core rod diameter and is about 15-20%, utilizes interference fit to prevent the phenomenon of leakage from occurring.
Corrosive liquid container top fills a transparent plastic cover, is used for observing corrosion condition and reducing evaporation.Nonetheless, in the process of heat aging, acid solutions inevitably causes the change of solution concentration due to evaporation, especially for salpeter solution, needs to introduce a set of PH varitrol and maintains corrosive liquid pH value.PH varitrol comprises PH on-line checkingi instrument, the compositions such as PH sensor, volume pump, dosing tank, PH fluctuation reach ± 0.3 time automatically start dosing program and carry out concentration adjustment.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit, although with reference to above-described embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or equivalent replacement, and not departing from any amendment of spirit and scope of the invention or equivalent replacement, it all should be encompassed in the middle of right of the present invention.
Claims (10)
1. a fiber composite core quick aging pick-up unit, described fiber composite core two ends are provided with connection gold utensil; It is characterized in that: described pick-up unit comprises horizontal stationary platform, is vertically arranged on the flange for fixing described connection gold utensil at described stationary platform homonymy two ends, is located at the water bath between described flange and is located at the corrosive liquid container for flooding described fiber composite core in described water bath; Described corrosive liquid container is plastic containers or glass container, especially with brown be good.
2. a kind of fiber composite core quick aging pick-up unit as claimed in claim 1, is characterized in that:
Described connection gold utensil is between described stationary platform two end flanges, one end and the composite core of described connection gold utensil are fixed, its other end and screw rod are fixed, and the other end of described screw rod stretches out the outer 8-12cm of described flange, and is fixed on described flange by the nut outside described flange.
3. a kind of fiber composite core quick aging pick-up unit as claimed in claim 2, is characterized in that:
The chamber wall of corrosive liquid container both sides is symmetrically arranged with the vertical draw-in groove that a row is parallel to each other, the flexible seal of described draw-in groove internal fixtion, described elastic sealing element is provided with the circular hole that aperture is less than described fiber composite core diameter; Described fiber composite core is arranged in described corrosive liquid container by described circular hole interference.
4. a kind of fiber composite core quick aging pick-up unit as claimed in claim 3, is characterized in that:
Described elastic sealing element is silicone-rubber seals or FFKM seal, and described Circularhole diameter is less than described fiber composite core diameter 15%-20%.
5. a kind of fiber composite core quick aging pick-up unit as claimed in claim 1, is characterized in that:
The thickness of described corrosive liquid container is 0.5cm; Described corrosive liquid container content has mass concentration is the salpeter solution of 10%-40%, mass concentration is 10%-40% sulfuric acid solution or NaCl mass concentration to be any one solution in the NaCl solution of 10%-25%; Described solution temperature is 20 DEG C-80 DEG C, and described liquid level of solution exceeds described more than fiber composite core 3cm.
6. a kind of fiber composite core quick aging pick-up unit as claimed in claim 5, is characterized in that:
Also be provided with the pH varitrol for regulating solution ph in described corrosive liquid container, described pH varitrol comprises pH on-line checkingi instrument, pH sensor, volume pump and dosing tank; When fluctuating in pH value ± 0.3 of described solution, described pH varitrol regulates automatically.
7. a kind of fiber composite core quick aging pick-up unit as claimed in claim 6, is characterized in that:
Described corrosive liquid container top is provided with for reducing solution evaporation, and the convenient transparent plastic cover observing the corrosion condition of fiber composite core.
8. a kind of fiber composite core quick aging pick-up unit as claimed in claim 5, is characterized in that:
Water bath is provided with self-heating apparatus for controlling the solution temperature in described corrosive liquid container and temp controlled meter.
9. a kind of fiber composite core quick aging pick-up unit as claimed in claim 2, is characterized in that:
The connection gold utensil of fiber composite core one end is pasted with foil gauge, and described foil gauge is connected with remote supervisory and control(ling) equipment; By rotating the nut of this end, make described nut along screw axis direction extruding flange, apply tension force to described fiber composite core, described remote supervisory and control(ling) equipment monitors the size of applied tension force in real time by foil gauge, ensures the stable of load.
10. a kind of fiber composite core quick aging pick-up unit as claimed in claim 9, is characterized in that:
Described nut is 2-8 ton to the Tensity size that fiber composite core applies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410742687.6A CN104515729B (en) | 2014-12-05 | 2014-12-05 | A kind of fiber composite core quick aging detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410742687.6A CN104515729B (en) | 2014-12-05 | 2014-12-05 | A kind of fiber composite core quick aging detection device |
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| Publication Number | Publication Date |
|---|---|
| CN104515729A true CN104515729A (en) | 2015-04-15 |
| CN104515729B CN104515729B (en) | 2018-10-23 |
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|---|---|---|---|
| CN201410742687.6A Active CN104515729B (en) | 2014-12-05 | 2014-12-05 | A kind of fiber composite core quick aging detection device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106111216A (en) * | 2016-08-15 | 2016-11-16 | 常州百富电子有限公司 | Air aging proof box is used in electric wire detection |
| CN107449687A (en) * | 2017-09-04 | 2017-12-08 | 成都本华清博科技有限公司 | Device and method for testing water absorption of silicon rubber material under stress condition |
| CN107796710A (en) * | 2017-09-21 | 2018-03-13 | 中车青岛四方机车车辆股份有限公司 | A kind of detection method of anticorrosion stress-resistant performance |
| CN112304758A (en) * | 2020-10-20 | 2021-02-02 | 北京航空航天大学 | Simple aging test device under wet-heat-force coupling |
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| EP0610003A1 (en) * | 1993-02-02 | 1994-08-10 | Nalco Chemical Company | Method for determining the efficacy of a corrosion protection treatment |
| CN103014649A (en) * | 2012-12-21 | 2013-04-03 | 中国电子科技集团公司第四十四研究所 | Optical fiber coating technology |
| CN203249829U (en) * | 2013-04-23 | 2013-10-23 | 中复碳芯电缆科技有限公司 | Stress corrosion resistance long term performance detection device for carbon fiber composite cable |
| CN103376222A (en) * | 2013-05-02 | 2013-10-30 | 东南大学 | Constant-temperature stress corrosion testing device and method for FRP (fiber reinforced polymer) tendon |
| CN203299069U (en) * | 2013-07-01 | 2013-11-20 | 中国核动力研究设计院 | Stress corrosion cracking test device |
| CN104007058A (en) * | 2014-06-13 | 2014-08-27 | 东南大学 | Portable type metal wire stretching stress corrosion testing device |
-
2014
- 2014-12-05 CN CN201410742687.6A patent/CN104515729B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0610003A1 (en) * | 1993-02-02 | 1994-08-10 | Nalco Chemical Company | Method for determining the efficacy of a corrosion protection treatment |
| CN103014649A (en) * | 2012-12-21 | 2013-04-03 | 中国电子科技集团公司第四十四研究所 | Optical fiber coating technology |
| CN203249829U (en) * | 2013-04-23 | 2013-10-23 | 中复碳芯电缆科技有限公司 | Stress corrosion resistance long term performance detection device for carbon fiber composite cable |
| CN103376222A (en) * | 2013-05-02 | 2013-10-30 | 东南大学 | Constant-temperature stress corrosion testing device and method for FRP (fiber reinforced polymer) tendon |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106111216A (en) * | 2016-08-15 | 2016-11-16 | 常州百富电子有限公司 | Air aging proof box is used in electric wire detection |
| CN107449687A (en) * | 2017-09-04 | 2017-12-08 | 成都本华清博科技有限公司 | Device and method for testing water absorption of silicon rubber material under stress condition |
| CN107796710A (en) * | 2017-09-21 | 2018-03-13 | 中车青岛四方机车车辆股份有限公司 | A kind of detection method of anticorrosion stress-resistant performance |
| CN112304758A (en) * | 2020-10-20 | 2021-02-02 | 北京航空航天大学 | Simple aging test device under wet-heat-force coupling |
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| Publication number | Publication date |
|---|---|
| CN104515729B (en) | 2018-10-23 |
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