CN102002211A - Vinyl ester resin insulation power tower and manufacturing method thereof - Google Patents

Vinyl ester resin insulation power tower and manufacturing method thereof Download PDF

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Publication number
CN102002211A
CN102002211A CN2010101183088A CN201010118308A CN102002211A CN 102002211 A CN102002211 A CN 102002211A CN 2010101183088 A CN2010101183088 A CN 2010101183088A CN 201010118308 A CN201010118308 A CN 201010118308A CN 102002211 A CN102002211 A CN 102002211A
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CN
China
Prior art keywords
vinyl ester
ester resin
solidifying agent
accounts
strut member
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Pending
Application number
CN2010101183088A
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Chinese (zh)
Inventor
马斌
裴静静
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Jiangsu Shenma Electric Power Co Ltd
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Nantong Shenma Electric Power Science & Technology Co Ltd
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Priority to CN200910170063 priority Critical
Priority to CN200910170063.0 priority
Application filed by Nantong Shenma Electric Power Science & Technology Co Ltd filed Critical Nantong Shenma Electric Power Science & Technology Co Ltd
Priority to CN2010101183088A priority patent/CN102002211A/en
Publication of CN102002211A publication Critical patent/CN102002211A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a vinyl ester resin insulation power tower comprising at least one strutting piece; the materials of the strutting piece include a plurality of glass fibers, vinyl ester resin and a curing agent, wherein the glass fibers are dipped in the vinyl ester resin and the curing agent through a winding process. In the materials for preparing the strutting piece, the glass fibers account for 64-80 percent of the weight of all materials, the vinyl ester resin accounts for 19-35 percent of the weight of all materials, and the curing agent accounts for 0.36-1.2 percent of the weight of all materials. Each performance parameter of the manufactured strutting piece can be controlled through controlling the dosage of the vinyl ester resin so that the dosage of the vinyl ester resin can be quantized, thereby, the cost increase caused by excessive dosage of the vinyl ester resin can also be reduced while the uniform quality of the tower can be ensured. Meanwhile, the curing agent is added to the materials for preparing the strutting piece, which shortens the curing time and reduces the manufacturing cost. The invention also includes a method for manufacturing the vinyl ester resin insulation power tower.

Description

A kind of vinyl ester resin insulating power shaft tower and manufacture method thereof
Technical field
The present invention relates to the insulating power shaft tower that uses in a kind of transmitting line, particularly a kind of vinyl ester resin insulating power shaft tower and manufacture method thereof.
Background technology
Tower structure is the important extraordinary supporting structure thing of a class in the Infrastructure such as transmission of electricity, communication, railway, municipal administration, and its structure properties directly influences security, economy and the reliability of circuit.Using comparatively widely both at home and abroad in the overhead transmission line, shaft tower mainly contains several classes such as wooden stick, concrete frame or prestressed concrete bar, concrete filled steel tube bar, steel pipe pole and iron tower.Wherein iron tower is the pole tower forms of everyday character in the extra high voltage network of countries in the world.Generally, use concrete frame in 35KV~110KV circuit, also there is the use concrete frame Plain and knob preferably at the transportation of newly-built 330KV and following circuit and execution conditions at present.Steel pipe pole and concrete filled steel tube bar are in recent years urban distribution network construction and use morely in transforming, and in 220KV and above circuit, adopt the lattice iron tower more.
But above-mentioned traditional transmission tower ubiquity quality is heavy, and is as concrete frame, perishable, as wooden stick,, thereby cause poor durability also just like defectives such as easy corrosion of iron tower or crackings, work-ing life is shorter, and various potential safety hazards appear in construction transportation and running maintenance difficulty easily.Development along with new material technology and manufacturing process thereof, matrix material, as glass filament reinforced plastics (Fiberglass-Reinforced Plastics, FRP), in recent years progressively be applied in the power transmission engineering at home and abroad, as open on February 18th, 2009, publication number is the Chinese patent of CN101368453A, and it discloses a kind of production method of high strength composite material electric pole.The method of this production high strength composite material electric pole comprises the steps: the hollow electric pole of steel body is positioned on the transfer carriage, and makes its rotation; At this electric pole external coating vinyl ester binding agent; Twine high-strength unidirectional cloth, and in winding process constantly to unidirectional cloth brushing resin; First pass twines second layer unidirectional cloth after twining to the end again, and up to desired thickness, final curing obtains described electric pole.But, do not control the consumption of vinyl ester in the aforesaid method, this can cause being difficult to controlling the unification of quality of the electric pole of manufacturing, and if with too many, also can cause the rising of cost.In addition, vinyl ester itself solidifies not too easily, only with the surface of vinyl ester brushing at electric pole and unidirectional cloth, is difficult to solidify in the short period of time, causes set time longer, has increased manufacturing time and cost.
Summary of the invention
In view of this, be necessary to provide a kind of set time short, lower-cost vinyl ester resin insulating power shaft tower and manufacture method thereof.
A kind of vinyl ester resin insulating power shaft tower comprises at least one strut member, and the material of described strut member comprises many glass fibre and vinyl ester resin.The material of described strut member also comprises solidifying agent.Described many glass fibre are immersed among this vinyl ester resin and the solidifying agent by winding process.The preparation described strut member be fit to be applied in the material of winding process, glass fibre accounts for 64%~80% of all material weight, vinyl ester resin accounts for 19%~35% of all material weight, solidifying agent accounts for 0.36%~1.2% of all material weight.
A kind of vinyl ester resin insulating power shaft tower comprises at least one strut member, and the material of described strut member comprises many glass fibre and vinyl ester resin.The material of described strut member also comprises solidifying agent and promotor.Described many glass fibre are immersed among this vinyl ester resin, solidifying agent and the promotor by winding process.The preparation described strut member be fit to be applied in the material of winding process, glass fibre accounts for 64%~80% of all material weight, vinyl ester resin accounts for 19%~35% of all material weight, solidifying agent accounts for 0.36%~0.65% of all material weight, and promotor accounts for 0.15%~0.55% of all material weight.
A kind of method for preparing vinyl ester resin insulating power shaft tower may further comprise the steps:
The material of preparation strut member is provided, this material comprises vinyl ester resin, glass fibre and solidifying agent, wherein, in all material of preparation strut member, glass fibre accounts for 64%~80% of all material weight, and vinyl ester resin accounts for 19%~35% of all material weight, and solidifying agent accounts for 0.36%~1.2% of all material weight;
One container is provided, and described vinyl ester resin mixed with solidifying agent places a container;
Glass fibre is inserted in the container, make glass fiber impregnated among this vinyl ester resin and solidifying agent;
One wrapping machine with core is provided, the glass fibre that is impregnated with vinyl ester resin and solidifying agent is pulled out from container with the speed of 1 meter per second~2 meter seconds, and this glass is wrapped on the described core with the winding angles of 0 degree~90 degree;
Twine the preset thickness of this glass fiber yarn that is impregnated with vinyl ester resin and solidifying agent to described electric tower, curing obtains described vinyl ester resin insulating power shaft tower.
Compared with prior art, because tensile strength, tension set and the heat-drawn wire of vinyl ester resin all are subjected to the influence of epoxy resin structural and relative molecular mass, therefore, the consumption of control vinyl ester resin can be controlled tensile strength, tension set and the heat-drawn wire by its prepared strut member, thereby make the consumption of vinyl ester resin reach stdn, thereby can when guarantee that the shaft tower quality is unified, can also reduce the cost that too much causes because of the vinyl ester resin consumption and rise.Simultaneously, in the material of prepared strut member, added solidifying agent,, made the curing speed of vinyl ester resin accelerate, shortened set time, and then reduced the manufacturing cost of strut member by the reaction of solidifying agent and vinyl ester resin.
Description of drawings
Fig. 1 is the schema of a kind of vinyl ester resin insulating power Gan Ta manufacture method provided by the invention.
Fig. 2 is the method flow diagram of the described vinyl ester resin insulating power of the curing shaft tower in the preparation vinyl ester resin insulating power shaft tower manufacture method of Fig. 1.
Embodiment
For the present invention being done further explanation, lift a preferred embodiment and conjunction with figs. and be described in detail as follows:
Electric tower provided by the present invention comprises at least one strut member, and the material of this strut member comprises many glass fibre, vinyl ester resin and solidifying agent.Described many glass fiber impregnated among vinyl ester resin and solidifying agent.
What also need to further specify is that in this enforcement, the material prescription of described preparation strut member preferably is applicable in the winding process and uses.
Described glass fibre can be the uninterrupted ORGANDY of alkali-free, and this glass fibre accounts for 64%~80% of preparation strut member all material gross weight, in the present embodiment, glass fibre account for preparation strut member all material gross weight 69.49%.
Described vinyl ester resin is a kind of unsaturated thermosetting resin.The characteristics of vinyl ester resin are to have end group or side group unsaturated double-bond in the polymkeric substance, and it mainly reacts by the active site in unsaturated acid and the low relative molecular mass polymer molecular chain, introduce unsaturated double-bond.Skeleton polymer commonly used can be Resins, epoxy, propane type epoxy resin of di phenolic group etc., and unsaturated acid commonly used can be vinylformic acid, methacrylic acid or butenoic acid etc.In the present embodiment, described strut member uses epoxy vinyl ester resin to make.Owing to contain secondary hydroxyl in the molecular structure of vinyl ester resin, hydroxyl on this secondary hydroxyl and the described fiberglass surfacing interacts, thereby can improve wetting property and cohesiveness, and then make to have the high advantage of intensity with the prepared strut member of vinyl ester resin to glass fibre.Simultaneously, because skeleton polymer has used Resins, epoxy, make vinyl ester resin have the Resins, epoxy main chain, thereby make vinyl ester resin have good toughness.In addition, because tensile strength, tension set and the heat-drawn wire of vinyl ester resin all are subjected to the influence of epoxy resin structural and relative molecular mass, therefore, the consumption of control vinyl ester resin can be controlled tensile strength, tension set and the heat-drawn wire by its prepared strut member.In the present embodiment, vinyl ester resin accounts for 19%~35% of preparation strut member all material weight, and preferably, vinyl ester resin accounts for 30% of preparation strut member all material weight.
Described solidifying agent can for methylethyl ketone peroxide or cyclohexanone peroxide etc. can with the material of vinyl ester resin generation ionic polymerization.Described solidifying agent causes the ring-opening polymerization of the epoxy group(ing) in the epoxy vinyl ester resin with after vinyl ester resin mixes, thereby is cross-linked into the superpolymer of three dimensional structure, reaches in short period solidified purpose.Account for the content for preparing the strut member all material according to vinyl ester resin, the solidifying agent that is added can account for 0.51%~1.2% of strut member all material weight.
In order to control the temperature of reaction of vinyl ester resin and solidifying agent, can add a certain proportion of promotor.Because if there is not promotor, need be heated to the above temperature of 160 degree to described vinyl ester resin and solidifying agent and just can solidifies.Therefore, in order to reduce manufacturing cost, add promotor and be reduced to below 160 degree with solidification value with described vinyl ester resin and solidifying agent.Described promotor can or be the mixture of cobalt naphthenate and cobalt iso-octoate for a kind of in cobalt naphthenate and the cobalt iso-octoate, and the solidifying agent that this promotor accounts for preparation strut member all material weight accounts for 0.36%~0.65% of all material weight.When the material of the preparation strut member of described suitable winding process contained promotor, its solidifying agent accounts for all material weight can be 0.15%~0.55%.In the present embodiment, comprise promotor and solidifying agent in the material of the described preparation strut member that is suitable for winding process, described promotor accounts for 0.15% of all material weight, and solidifying agent accounts for 0.36% of all material weight.
See also accompanying drawing, it is for making the schema of described strut member.This step of making described strut member comprises:
Step S101, the described material that winding process prepares strut member that is suitable for is provided, this material comprises vinyl ester resin, glass fiber yarn, promotor and solidifying agent, wherein, in all material of preparation strut member, glass fiber yarn accounts for 64%~80% of all material weight, vinyl ester resin accounts for 19%~35% of all material weight, and solidifying agent accounts for 0.36%~0.55% of all material weight, and promotor accounts for 0.15%~0.65% of all material weight;
Step S102 provides a container (figure do not show), and described vinyl ester resin, promotor mixed with solidifying agent places a container;
Step S103 inserts glass fiber yarn in the container, and glass fiber yarn is immersed among this vinyl ester resin, promotor and the solidifying agent;
Step S104, one wrapping machine with core is provided, the glass fiber yarn that is impregnated with vinyl ester resin, promotor and solidifying agent is pulled out from container with the speed of 1 meter per second~2 meter seconds, and this glass fiber yarn is wrapped on the described core to 1/3rd of the preset thickness of described electric tower with the winding angles of 0 degree~90 degree;
Step S105, the glass fibre unidirectional cloth is provided, this glass fibre unidirectional cloth is coated on the described core that is wound with glass fiber yarn, when coating described glass fibre unidirectional cloth, water the mixture that drenches described vinyl ester resin, promotor and solidifying agent to the described glass fibre unidirectional cloth that is wrapped on the core;
Step S106 when described glass fibre unidirectional cloth coats to 2/3rds of the preset thickness of described electric tower, continues to twine the glass fiber yarn preset thickness of described electric tower extremely that is impregnated with vinyl ester resin, promotor and solidifying agent.
Step S107, curing obtains described vinyl ester resin insulating power shaft tower.
In step S101, the vinyl ester resin of present embodiment accounts for 30% of all material weight, and promotor accounts for 0.15% of all material weight, and solidifying agent accounts for 0.36% of all material weight, and glass fibre accounts for 69.49% of all material weight.At step S102, preferably, this container should cooperate the length and the diameter of glass fibre and prepared strut member, selects the high trough-shaped container of long-width ratio for use.In step S104, preferably, described winding angle can be 45 degree~90 degree.In step S108, the method for described curing vinyl ester resin insulating power shaft tower as shown in Figure 2, may further comprise the steps:
Step S201 places the electric tower that winding finishes at room temperature 2 to 4 days;
Step S202 is placed on this electric tower that at room temperature solidifies 2 to 4 days in the baking oven, and the temperature in this baking oven can be 100 degree~120 degree, and continues 2 hours;
Step S203 takes out the electric tower after the thermofixation and promptly to finish curing from baking oven.
Compared with prior art, because hot strength, fracture elongation and the heat distortion temperature of vinyl ester resin all are subjected to the impact of epoxy resin structural and relative molecular mass, therefore, the consumption of control vinyl ester resin can be controlled hot strength, fracture elongation and the heat distortion temperature by its prepared support member, thereby so that the consumption of vinyl ester resin reaches quantification, can when guaranteeing shaft tower quality unified, can also reduce cost. In addition, in the material of prepared support member, add curing agent, by the reaction of curing agent and vinyl ester resin, so that the curing rate of vinyl ester resin is accelerated, shortened hardening time, reduced the manufacturing cost of support member.
In addition, those skilled in the art can also do other variation in the spirit of the present invention, as long as it does not depart from technique effect of the present invention, all should be included in the present invention's scope required for protection.

Claims (10)

1. vinyl ester resin insulating power shaft tower, comprise at least one strut member, the material of described strut member comprises many glass fibre and vinyl ester resin, it is characterized in that: the material of described strut member also comprises solidifying agent, described many glass fibre are immersed among this vinyl ester resin and the solidifying agent by winding process, the preparation described strut member be fit to be applied in the material of winding process, glass fibre accounts for 64%~80% of all material weight, vinyl ester resin accounts for 19%~35% of all material weight, and solidifying agent accounts for 0.36%~1.2% of all material weight.
2. vinyl ester resin insulating power shaft tower as claimed in claim 1 is characterized in that: the solidifying agent in the material of described preparation strut member is a kind of in methylethyl ketone peroxide or the cyclohexanone peroxide or is the mixture of methylethyl ketone peroxide and cyclohexanone peroxide.
3. vinyl ester resin insulating power shaft tower as claimed in claim 1, it is characterized in that: in the material of described preparation strut member, vinyl ester resin accounts for 30% of all material weight, and solidifying agent accounts for 0.51% of all material weight, and glass fibre accounts for 69.49% of all material weight.
4. vinyl ester resin insulating power shaft tower, comprise at least one strut member, the material of described strut member comprises many glass fibre and vinyl ester resin, it is characterized in that: the material of described strut member also comprises solidifying agent and promotor, described many glass fibre are immersed in this vinyl ester resin by winding process, among solidifying agent and the promotor, the preparation described strut member be fit to be applied in the material of winding process, glass fibre accounts for 64%~80% of all material weight, vinyl ester resin accounts for 19%~35% of all material weight, solidifying agent accounts for 0.36%~0.65% of all material weight, and promotor accounts for 0.15%~0.55% of all material weight.
5. vinyl ester resin insulating power shaft tower as claimed in claim 4 is characterized in that: described promotor is a kind of in cobalt naphthenate and the cobalt iso-octoate or is the mixture of cobalt naphthenate and cobalt iso-octoate.
6. vinyl ester resin insulating power shaft tower as claimed in claim 4, it is characterized in that: in the material of described preparation strut member, vinyl ester resin accounts for 30% of all material weight, solidifying agent accounts for 0.36% of all material weight, glass fibre accounts for 69.49% of all material weight, and promotor accounts for 0.15% of all material weight.
7. method for preparing vinyl ester resin insulating power shaft tower, may further comprise the steps: the material that the preparation strut member is provided, this material comprises vinyl ester resin, glass fibre and solidifying agent, wherein, in all material of preparation strut member, glass fibre accounts for 64%~80% of all material weight, vinyl ester resin accounts for 19%~35% of all material weight, and solidifying agent accounts for 0.36%~1.2% of all material weight;
One container is provided, and described vinyl ester resin mixed with solidifying agent places a container;
Glass fibre is inserted in the container, make glass fiber impregnated among this vinyl ester resin and solidifying agent;
One wrapping machine with core is provided, the glass fibre that is impregnated with vinyl ester resin and solidifying agent is pulled out from container with the speed of 1 meter per second~2 meter seconds, and this glass is wrapped on the described core with the winding angles of 0 degree~90 degree;
Twine the preset thickness of this glass fiber yarn that is impregnated with vinyl ester resin and solidifying agent to described electric tower, curing obtains described vinyl ester resin insulating power shaft tower.
8. the method for preparing vinyl ester resin insulating power shaft tower as claimed in claim 7, it is characterized in that: also comprise promotor in the material of described preparation strut member, this promotor is a kind of in cobalt naphthenate and the different upright cobalt octoate or is the mixture of cobalt naphthenate and different upright cobalt octoate, and this promotor account for the preparation strut member the material gross weight 0.15%~0.55%, and when comprising promotor in the material of described preparation strut member, solidifying agent accounts for 0.36%~0.65% of all material weight.
9. the method for preparing vinyl ester resin insulating power shaft tower as claimed in claim 7, it is characterized in that: this method also comprise the glass fiber yarn that ought describedly be impregnated with vinyl ester resin and solidifying agent be wound to described electric tower preset thickness three/for the moment, the glass fibre unidirectional cloth is provided, this glass fibre unidirectional cloth is coated on the described core that is wound with glass fiber yarn, when coating described glass fibre unidirectional cloth, water the mixture that drenches described vinyl ester resin and solidifying agent to the described glass fibre unidirectional cloth that is wrapped on the core; When described glass fibre unidirectional cloth coats to 2/3rds of the preset thickness of described electric tower, continue to twine the glass fiber yarn preset thickness of described electric tower extremely that is impregnated with vinyl ester resin and solidifying agent.
10. the method for preparing vinyl ester resin insulating power shaft tower as claimed in claim 7 is characterized in that: the winding angle that described glass fiber yarn is wound on the core is 45 degree~90 degree.
CN2010101183088A 2009-09-02 2010-01-30 Vinyl ester resin insulation power tower and manufacturing method thereof Pending CN102002211A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN200910170063 2009-09-02
CN200910170063.0 2009-09-02
CN2010101183088A CN102002211A (en) 2009-09-02 2010-01-30 Vinyl ester resin insulation power tower and manufacturing method thereof

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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102261193A (en) * 2011-06-10 2011-11-30 北京玻钢院复合材料有限公司 Composite cross arm for power transmission line and preparation method thereof
CN103993771A (en) * 2014-04-18 2014-08-20 国家电网公司 Glass reinforced plastic telegraph pole and manufacturing method thereof
CN105715095A (en) * 2016-03-25 2016-06-29 四川省众能新材料技术开发有限公司 Composite structure crossarm and manufacturing process thereof
CN106285159A (en) * 2016-08-30 2017-01-04 北京玻钢院复合材料有限公司 Composite material electric pole and preparation method thereof

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102261193A (en) * 2011-06-10 2011-11-30 北京玻钢院复合材料有限公司 Composite cross arm for power transmission line and preparation method thereof
CN102261193B (en) * 2011-06-10 2012-12-12 北京玻钢院复合材料有限公司 Composite cross arm for power transmission line and preparation method thereof
CN103993771A (en) * 2014-04-18 2014-08-20 国家电网公司 Glass reinforced plastic telegraph pole and manufacturing method thereof
CN105350812A (en) * 2014-04-18 2016-02-24 国家电网公司 Glass fiber reinforced plastic telegraph pole
CN105715095A (en) * 2016-03-25 2016-06-29 四川省众能新材料技术开发有限公司 Composite structure crossarm and manufacturing process thereof
CN105715095B (en) * 2016-03-25 2018-10-19 四川省众能新材料技术开发有限公司 A kind of composite construction cross-arm and its manufacturing process
CN106285159A (en) * 2016-08-30 2017-01-04 北京玻钢院复合材料有限公司 Composite material electric pole and preparation method thereof

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