CN101718152A - Composite material tower and manufacturing process thereof - Google Patents

Composite material tower and manufacturing process thereof Download PDF

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Publication number
CN101718152A
CN101718152A CN200910223106A CN200910223106A CN101718152A CN 101718152 A CN101718152 A CN 101718152A CN 200910223106 A CN200910223106 A CN 200910223106A CN 200910223106 A CN200910223106 A CN 200910223106A CN 101718152 A CN101718152 A CN 101718152A
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Prior art keywords
composite material
material pole
pole tower
resin
tower
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CN200910223106A
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Chinese (zh)
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谢佐鹏
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Changshu Fengfan Power Equipment Co Ltd
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Changshu Fengfan Power Equipment Co Ltd
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Priority to CN200910223106A priority Critical patent/CN101718152A/en
Publication of CN101718152A publication Critical patent/CN101718152A/en
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Abstract

The invention discloses a composite material tower, which comprises a body, a first outer layer, a second outer layer and a foam filter placed in the body, wherein the first outer layer and the second outer layer are positioned outside the body; the body is made of a composite material of a resin and insulating fibers; the first outer layer is made of a composite material of weatherproof resin and insulating fibers; the second outer layer is made of inorganic paint; and the body, the first outer layer, the second outer layer and the foam filter in the body form the composite material tower. The composite material tower provided by the invention is very suitable for long-term operated under various outdoor severe weather conditions as the adopted cycloaliphatic epoxy resin and inorganic paint have excellent uvioresistant, waterproof, dampproof, non-adhesive, self-cleaning and electrical insulating properties.

Description

A kind of composite material pole tower and manufacturing process thereof
Technical field
The present invention relates to a kind of composite material pole tower, relate in particular to a kind of insulating composite material shaft tower, can be used as power circuit, communications service, railway electrification, the insulation supporting member of track traffic and government utility and association area.
Background technology
At present, traditional shaft tower that every field is used, as the iron tower of electric line, the communication shaft tower, the railway electrification shaft tower, all be to adopt steel concrete or iron and steel to make, not only Heavy Weight, and these shaft towers all is a conductor, is easy to generate the interruption of service that causes such as bad weathers such as thunder and lightning, strong wind, filth, ice and snow, salt fogs.The communication shaft tower influences communication quality because shielding action also can produce the microwave disorder.The stray electrical current of railway electrification tradition shaft tower also can cause the corrosion to rail, or the like.All shortage all will be overcome by the insulation characterisitic of composite material pole tower.
Some technology are also arranged at present, disclose the employing composite material and made electric force pole tower or similar products, but the technology that has is openly abundant inadequately, as Chinese patent " 200710168533.0 ", name is called " 10KV distribution line insulation tower head ", discloses a kind of 10KV distribution line insulation tower head, it is characterized in that: adopt hydrophobic type high strength insulating rod, assemble with connecting gold utensil and pin insulator, form an insulation tower head integral body; Or adopt hydrophobic type high strength insulating rod directly to assemble with being connected gold utensil, form an insulation tower head integral body.Do not introduce for hydrophobic type high strength insulating rod itself is corresponding.
The technology that also has, in application, exist anti-uv-ray poor, as Chinese patent " 00131910.8 ", name is called the disclosed a kind of electric force pole tower of making of composite material of patent application of " a kind of electric force pole tower of making of composite material ", it is characterized in that choosing: mylar or epoxy resin or phenolic resins 40-60 part according to following Main Ingredients and Appearance and weight ratio, glass fiber or carbon fiber 40-60 part, porcelain powder or quartz powder or lightweight carbon phenol calcium 9-11 part, pigment 5-7 part, fire retardant 6-10 part, aging-proof agent 3-5 part, curing compound 3-5 part.Not only do not have anti-ultraviolet function, and carbon fiber is that conductor does not have insulation function, so its disclosed electric force pole tower does not possess insulation effect, and the carbon fiber cost is very high, does not possess the value of generally promoting in the practical application.
In addition, as Chinese patent " 200620072440.9 ", it is disclosed that name is called " NEW TYPE OF COMPOSITE electric pole ", it is the compound novel electric pole of a kind of glass fiber and polyurethane, comprise hollow lever, the body of rod is the winding body of the glass fiber strands of dipping polyurethane around axle, and the glass fiber strands of described dipping polyurethane is inner layer glass fibrage, middle level aromatic urethane layer, outer-layer fat family layer of polyurethane formation from inside to outside successively, and three-layered node is an integral body after the urethane cures.
Summary of the invention
The objective of the invention is to disclose a kind of composite material pole tower; intensity height own; good insulation preformance; and by the high strength body and possess strong anti-uv-ray the weatherability resin complex protection and have the coating of the inorganic coating of super weather-proof, waterproof, fire-retardant, low-surface-energy characteristic; make composite material pole tower have insulation, high strength, uvioresistant, anti-weather, hydrophobic, a series of excellent specific properties such as fire-retardant, sticking not self-cleaning, especially be fit to outdoor long-term the use.
Technical scheme of the present invention is, a kind of composite material pole tower, comprise body, place this first external outer and second skin, and place intrinsic foam-filled thing, and described body is the composite material that comprises resin and non-conductive fibre, described first skin is the composite material that comprises weatherability resin and non-conductive fibre, described second skin is an inorganic coating, and described body, first skin, the second outer and intrinsic foam-filled thing constitute composite material pole tower.
In a preferred embodiment of the present invention, described body is the composite material of epoxy resin and glass fiber.
In a preferred embodiment of the present invention, described weatherability resin is a cycloaliphatic epoxy resin.
In a preferred embodiment of the present invention, described foam-filled thing is the closed cell foamed plastic of insulation.
In a preferred embodiment of the present invention, described inorganic coating is a ceramic coating.
In a preferred embodiment of the present invention, described composite material pole tower is as the shaft tower in electric power, communication, railway electrification, track traffic and the communal facilities; This shaft tower is whole tower or cross-arm or tower head; The perhaps various combination between tower bar, cross-arm and the tower head.
Another object of the present invention also is to provide a kind of manufacture method of composite material pole tower.Can produce high insulating property, high strength, composite material pole tower that anti-uv-ray is strong, especially be fit to outdoor use.
A kind of manufacturing process of composite material pole tower comprises:
The non-conductive fibre impregnating resin is wrapped on the prefabricated mould, reaches the wall thickness and the length of designing requirement, form the body of composite material pole tower;
Continue to twine the non-conductive fibre of dipping weatherability resin again in the outside of composite material pole tower body, form first skin of composite material pole tower;
After the composite material pole tower first outer shaping, peace is carried out heating cure according to the corresponding requirement of temperature and time of design in advance;
Composite material pole tower after curing outside sanding and polishing applies inorganic coating again, forms second skin of composite material pole tower;
Also be included in the plastic foam of filling closed pore in the composite material pole tower;
In the process of described resin or weatherability resin impregnation non-conductive fibre, need to add auxiliary material.
In a preferred embodiment of the present invention, described non-conductive fibre is a glass fiber, and described resin is an epoxy resin.
In a preferred embodiment of the present invention, described weatherability resin is a cycloaliphatic epoxy resin, and described inorganic coating is a ceramic coating.
In a preferred embodiment of the present invention, described auxiliary material comprise curing compound, accelerator, filler and pigment.
The composite material pole tower that the present invention discloses, owing to adopted inorganic coating and weatherability resin as part of raw materials, so anti-uv-ray is greatly improved, and hydrophobic under the long-time out of doors environment that uses, is difficult for aging, the insulation materials of inner light filling, make composite material pole tower in light weight, in addition, improved composite material pole tower integral insulation level.
Description of drawings
Accompanying drawing 1 is the schematic diagram of composite material pole tower in the preferred embodiment of the present invention;
Accompanying drawing 2 is the schematic flow sheet of composite material pole tower manufacture method in the preferred embodiment of the present invention.
Body 1, the first skin 2, the second skins 3, packed layer 4.
The specific embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present invention is described in detail, thereby protection scope of the present invention is made more explicit defining so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that.
A kind of composite material pole tower that the present invention discloses; can be applied on each products such as tower head, shaft tower, whole tower and cross-arm of light pole, traffic lights bar, electronic monitoring bar, power transmission and distribution power system; be that example illustrates with the shaft tower in the present embodiment; but the present invention is not as limit, and protection scope of the present invention is as the criterion with the protection domain of claim.
As shown in Figure 1, the composite material pole tower cross section in the present embodiment is rounded, but the present invention is not limited to this, can be oval, square, polygon or associated shape.In composite material pole tower, comprise body 1, the first skin 2, the second outer 3 and packed layer 4.Body 1 wherein is made up of the composite material of resin and non-conductive fibre, and in the present embodiment, resin is preferably epoxy resin, but also can for other as phenolic resins, polyurethane resin etc.Non-conductive fibre is preferably glass fiber, the E fibrid in the glass fiber especially, but also can be basalt fibre.
In the present embodiment, first skin 2 is made up of the composite material of weatherability resin and non-conductive fibre, the preferred cycloaliphatic epoxy resin of weatherability resin wherein, but also can be fluorine modified epoxy or phenol aldehyde modified epoxy resin, can play anti-ultraviolet effect equally.Non-conductive fibre in the present embodiment still is preferred E class glass fiber, but can adopt other as basalt fibre equally.
Because cycloaliphatic epoxy resin has following excellent properties, so the preferred cycloaliphatic epoxy resin of weatherability resin herein.
Do not contain phenyl ring in the molecular structure of cycloaliphatic epoxy resin, have good weather resisteant energy and anti-ultraviolet radiation.
Because the epoxy radicals in the cycloaliphatic epoxy resin molecular structure is not from expoxy propane, epoxy radicals directly is connected on the alicyclic ring, so, the good thermal stability of cycloaliphatic epoxy resin: because the epoxy radicals of cycloaliphatic epoxy resin directly is connected on the alicyclic ring, can form rigid molecule structure closely, solidify the back crosslink density and increase, thereby heat distortion temperature be than higher, Martin heat resistance can reach more than 190 ℃, and heat decomposition temperature is greater than 360 ℃.Cure shrinkage is little, the hot strength height.
Because not chloride, sodium plasma panel in the synthetic process of cycloaliphatic epoxy resin, so cycloaliphatic epoxy resin all has excellent dielectric properties, no matter is from than resistance or from the dielectric loss angle tangent value, is excellent than bisphenol A type epoxy resin all.
The viscosity of cycloaliphatic epoxy resin is all smaller, therefore, cast and compacting during product operation more convenient, this point, especially the product to big parts adds man-hour, more seems important.
Cycloaliphatic epoxy resin is big to the reactivity of the reactivity comparison amine of organic acid and acid anhydrides.Therefore, in acid curing agent, just can fully solidify.So just avoided using the amine that toxicity is big, volatility is big to solidify then, safer to operating personnel.
In embodiments of the present invention, replace ceramics, cement and steel product in the outdoor installation by the organic insulator that comprises the cycloaliphatic epoxy resin manufacturing.With the ceramic phase ratio, it have in light weight, volume is little, advantages such as good impact resistance, and can make size, different product less expensive.This series products can satisfy the requirement that thermal shock resistance is good, heat distortion temperature is high, critical electrical characteristic is good simultaneously.
Second outer 3 of composite material pole tower adopts inorganic coating, in the embodiment of the invention, inorganic coating adopts ceramic coating, but also can use as titania coating etc., since inorganic coating possess good insulation performance, waterproof heat-resisting alkaline-resisting, do not fire, abilities such as resistant and uvioresistant, therefore herein as second skin 3 of composite material pole tower.
Packed layer 4 is to adopt the insulating foams material to fill, in the embodiment of the invention, the preferred insulation foam of closed pore that adopts is filled, also can adopt oil or SF6 gas to fill, but both are relatively more strict for the requirement of sealing in the back, and the quality of insulation foam own is low weight, and cost is also at tolerance interval.
See also accompanying drawing 2, illustrated the manufacturing process of composite material pole tower herein, form by following step respectively.
Twine the non-conductive fibre S1 of impregnating resin, at first resin is placed resin storage tank, non-conductive fibre is passed through resin storage tank through behind the spreader, behind the dipping of non-conductive fibre through resin in the resin storage tank, reel by the collection yarn device on the Wiring apparatus, described Wiring apparatus is provided with plug again, by the plug of Wiring apparatus the non-conductive fibre of above-mentioned impregnating resin is carried out coiling work, to be wound after to a certain degree, just formed the body 1 of composite material pole tower.The requirement that is wound with thickness and length herein also is the length of composite material pole tower and the thickness of body, and according to different application scenarios, thickness and length requirement have nothing in common with each other.Because resin is to be added in the non-conductive fibre with liquid form, so resin can infiltrate through in the non-conductive fibre.Resin preferred epoxy herein, but also can be other as phenolic resins etc., non-conductive fibre herein is preferably E class glass fiber, but also can be basalt fibre etc.Plug herein can adopt difformity, thereby the shape of produced final composite material pole tower also can be various.
Twine the non-conductive fibre S2 of dipping weatherability resin, form after the body 1 of composite material pole tower, continue body 1, on the plug of Wiring apparatus, reel based on this non-conductive fibre and formation.What place in the resin storage tank is the weatherability resin herein, and what therefore reel is the non-conductive fibre that flooded the weatherability resin herein.Weatherability resin herein is preferably cycloaliphatic epoxy resin, and the weatherability resin is divided into two kinds of thermosetting and thermoplasticity, do not limit herein, and also can be fluorine epoxy resin or novolac epoxy resin.The weatherability resin can infiltrate through the non-conductive fibre the inside equally, forms first skin 2.
Heating cure S3, to carrying out heating cure through the member of making after the above-mentioned steps, behind overcuring, the member that obtains is an one, for abundant curing, carries out reheat again and solidifies.Regelate (perhaps the solidify the back) time is relevant with the solidification temperature condition, in the present embodiment, is that hardening time is about 3 hours under 45 ℃~50 ℃ conditions in solidification temperature; In solidification temperature is that hardening time is about 2 hours under 60 ℃~80 ℃ conditions; In solidification temperature is that be about 2 hours hardening time under 100 ℃~120 ℃ conditions; In solidification temperature is that be about 2 hours hardening time under 140 ℃~160 ℃ conditions.Naturally be cooled to normal temperature then, finish program curing.But also can be according to weather conditions at that time, as: conditions such as air humidity, temperature, product thickness are regulated the temperature rise program.Then, extract plug out, product in the middle of forming.
Sanding and polishing also is coated with inorganic coating S4, behind overcuring, has formed middle product, then, carries out sanding and polishing in first outer 2 outsides of centre product, is coating inorganic coating through the surface after the polishing, and what be coated with in the present embodiment is ceramic coating, forms second skin 3.Use the power of local weather, temperature, gradation for surface pollution and solar irradiation according to product and determine coating layer thickness, coating can primary coat, face is coated with, primary coat also can be adopted the weatherability coating good with matrix resin adhesive power, to reduce the consumption of ceramic coating, reduces cost.But it must be ceramic coating that face is coated with.Face is coated with can one time two times, also can multipass.Can certainly use the raw material of inorganic coatings such as titanium dioxide as second skin 3.
Fill insulant S5 recharges insulation materials in body interior, such as the insulation foam or the wet goods insulation materials of closed pore, form packed layer 4, make composite material pole tower, detect then and test, see whether the composite material pole tower of making is qualified, especially at aspects such as insulating properties.If filled oil or SF6 etc., then also need the port at composite material pole tower two ends is sealed, to prevent the leakage of SF6 or oil.The step of fill insulant S5 herein can be arranged on sanding and polishing and is coated with after the inorganic coating S4, also can be arranged on before this step, carries out fill insulant S5 earlier.
In the process of non-conductive fibre impregnating resin or weatherability resin, need to add auxiliary material, auxiliary material comprise an amount of curing compound, accelerator, filler and pigment, also can suitably add materials such as fire retardant, decide on actual demand and application.
In addition, can also adopt dry method to twine and make composite material pole tower, simply be introduced below, with the non-conductive fibre impregnating resin, dry then, form the composite material of semi-solid non-conductive fibre and resin, through the heating after-tack, be wrapped in again on the plug, form the body 1 of composite material pole tower; Non-conductive fibre is flooded the weatherability resin, dry then, form the composite material of semi-solid non-conductive fibre and weatherability resin, through after the thermoplastic, be wrapped on the plug again, form first skin 2 of composite material pole tower, pass through heating cure then, carry out sanding and polishing at first skin and handle, coating inorganic coating, form second skin 3, filled and process filler in body forms packed layer 4.
The composite material pole tower cross section of herein making is circular or approaches circle, still can adopt said method equally, makes the cross section and is oval square or polygonal composite material pole tower, the plug shape difference that adopts when only twining.In addition, the plug on the Wiring apparatus also can adopt abnormity, such as plug obstructed thickness etc. up and down, thereby manufactures other needed composite material pole towers.
The composite material pole tower that the embodiment of the invention is made, its length can need be made according to design, perhaps can make the composite material pole tower of different-diameter or size, the composite material pole tower that will match is assembled once more then, fixedly connected such as suit or flange, thus make than higher shaft tower or following thick, top thin shaft tower etc.
The composite material pole tower that the present invention discloses because a part that has adopted inorganic coating and weatherability resin to form as shaft tower, so anti-uv-ray be greatly improved, and hydrophobic, sticking self-cleaning ability is strong.Under the long-time out of doors environment that uses, be difficult for wearing out, the insulation materials of inner light filling makes composite material pole tower in light weight, in addition, has improved composite material pole tower integral insulation level.
The above; it only is the specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; any those of ordinary skill in the art are in the disclosed technical scope of the present invention; variation or the replacement that can expect without creative work all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claims were limited.

Claims (10)

1. a composite material pole tower comprises body, places this first external outer and second skin, and places intrinsic foam-filled thing; It is characterized in that, described body is the composite material that comprises resin and non-conductive fibre, described first skin is the composite material that comprises weatherability resin and non-conductive fibre, described second skin is an inorganic coating, and described body, first skin, the second outer and intrinsic foam-filled thing constitute composite material pole tower.
2. composite material pole tower according to claim 1 is characterized in that, described body is the composite material of epoxy resin and glass fiber.
3. composite material pole tower according to claim 2 is characterized in that, described weatherability resin is a cycloaliphatic epoxy resin.
4. composite material pole tower according to claim 3 is characterized in that, described foam-filled thing is the plastic foam of closed pore.
5. composite material pole tower according to claim 1 is characterized in that, described inorganic coating is a ceramic coating.
6. according to the described composite material pole tower of one of claim 1~5, it is characterized in that described composite material pole tower is as the shaft tower in electric power, communication, railway electrification, track traffic and the communal facilities; This shaft tower is whole tower or cross-arm or tower head; The perhaps various combination between tower bar, cross-arm and the tower head.
7. the manufacturing process of a composite material pole tower comprises:
The non-conductive fibre impregnating resin is wrapped on the prefabricated mould, reaches the wall thickness and the length of designing requirement, form the body of composite material pole tower;
Continue to twine the non-conductive fibre of dipping weatherability resin again in the outside of composite material pole tower body, form first skin of composite material pole tower;
After the composite material pole tower first outer shaping, peace is carried out heating cure according to the corresponding requirement of temperature and time of design in advance;
Composite material pole tower after curing outside sanding and polishing applies inorganic coating again, forms second skin of composite material pole tower;
Also be included in the plastic foam of filling closed pore in the composite material pole tower;
In the process of described resin or weatherability resin impregnation non-conductive fibre, need to add auxiliary material.
8. the manufacture method of composite material pole tower according to claim 7 is characterized in that, described non-conductive fibre is a glass fiber, and described resin is a bisphenol A epoxide resin.
9. the manufacture method of composite material pole tower according to claim 8 is characterized in that, described weatherability resin is a cycloaliphatic epoxy resin, and described inorganic coating is a ceramic coating.
10. according to the manufacture method of claim 7,8 or 9 described composite material pole towers, it is characterized in that described auxiliary material comprise curing compound, accelerator, filler and pigment.
CN200910223106A 2009-11-06 2009-11-06 Composite material tower and manufacturing process thereof Withdrawn CN101718152A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101929262A (en) * 2010-09-14 2010-12-29 国网电力科学研究院武汉南瑞有限责任公司 Power line pole tower made of composite material
CN101942922A (en) * 2010-08-16 2011-01-12 中国电力科学研究院 Process for preparing power transmission composite cross arm with electric mark corrosion tolerance and high hydrophobic property
CN105625791A (en) * 2016-03-04 2016-06-01 赵欣 Coated composite material pole tower and manufacturing method thereof
CN110005245A (en) * 2019-04-12 2019-07-12 合肥海银杆塔有限公司 A kind of composite material pole tower and preparation method thereof of vertical skeleton

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101942922A (en) * 2010-08-16 2011-01-12 中国电力科学研究院 Process for preparing power transmission composite cross arm with electric mark corrosion tolerance and high hydrophobic property
CN101942922B (en) * 2010-08-16 2014-05-21 中国电力科学研究院 Process for preparing power transmission composite cross arm with electric mark corrosion tolerance and high hydrophobic property
CN101929262A (en) * 2010-09-14 2010-12-29 国网电力科学研究院武汉南瑞有限责任公司 Power line pole tower made of composite material
CN105625791A (en) * 2016-03-04 2016-06-01 赵欣 Coated composite material pole tower and manufacturing method thereof
CN110005245A (en) * 2019-04-12 2019-07-12 合肥海银杆塔有限公司 A kind of composite material pole tower and preparation method thereof of vertical skeleton
CN110005245B (en) * 2019-04-12 2021-03-19 合肥海银杆塔有限公司 Composite material tower with vertical framework and preparation method thereof

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Open date: 20100602