CN105419229B - A kind of hollow combined insulator winding pipe and preparation method thereof - Google Patents
A kind of hollow combined insulator winding pipe and preparation method thereof Download PDFInfo
- Publication number
- CN105419229B CN105419229B CN201510753790.5A CN201510753790A CN105419229B CN 105419229 B CN105419229 B CN 105419229B CN 201510753790 A CN201510753790 A CN 201510753790A CN 105419229 B CN105419229 B CN 105419229B
- Authority
- CN
- China
- Prior art keywords
- winding
- glue
- fiber
- winding pipe
- epoxy resin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004804 winding Methods 0.000 title claims abstract description 110
- 239000012212 insulator Substances 0.000 title claims abstract description 51
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 239000003292 glue Substances 0.000 claims abstract description 77
- 239000000835 fiber Substances 0.000 claims abstract description 64
- 239000003822 epoxy resin Substances 0.000 claims abstract description 54
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 54
- 239000003365 glass fiber Substances 0.000 claims abstract description 50
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 41
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 17
- 239000003085 diluting agent Substances 0.000 claims abstract description 15
- DURPTKYDGMDSBL-UHFFFAOYSA-N 1-butoxybutane Chemical compound CCCCOCCCC DURPTKYDGMDSBL-UHFFFAOYSA-N 0.000 claims abstract description 9
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical group CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000004593 Epoxy Substances 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 24
- 238000005470 impregnation Methods 0.000 claims description 19
- 239000011265 semifinished product Substances 0.000 claims description 16
- MWSKJDNQKGCKPA-UHFFFAOYSA-N 6-methyl-3a,4,5,7a-tetrahydro-2-benzofuran-1,3-dione Chemical compound C1CC(C)=CC2C(=O)OC(=O)C12 MWSKJDNQKGCKPA-UHFFFAOYSA-N 0.000 claims description 11
- 239000011521 glass Substances 0.000 claims description 8
- 239000010408 film Substances 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- NFVPEIKDMMISQO-UHFFFAOYSA-N 4-[(dimethylamino)methyl]phenol Chemical compound CN(C)CC1=CC=C(O)C=C1 NFVPEIKDMMISQO-UHFFFAOYSA-N 0.000 claims description 4
- 239000010409 thin film Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920006267 polyester film Polymers 0.000 claims description 2
- 239000010426 asphalt Substances 0.000 claims 2
- 238000009413 insulation Methods 0.000 abstract description 9
- 230000015556 catabolic process Effects 0.000 abstract description 7
- 239000000853 adhesive Substances 0.000 abstract description 4
- 230000001070 adhesive effect Effects 0.000 abstract description 4
- 238000007759 kiss coating Methods 0.000 abstract description 4
- 239000000047 product Substances 0.000 description 20
- 230000008569 process Effects 0.000 description 19
- 239000000499 gel Substances 0.000 description 14
- 229920005989 resin Polymers 0.000 description 12
- 239000011347 resin Substances 0.000 description 12
- 239000002131 composite material Substances 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 9
- AHDSRXYHVZECER-UHFFFAOYSA-N 2,4,6-tris[(dimethylamino)methyl]phenol Chemical group CN(C)CC1=CC(CN(C)C)=C(O)C(CN(C)C)=C1 AHDSRXYHVZECER-UHFFFAOYSA-N 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 108010010803 Gelatin Proteins 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000003712 anti-aging effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 229920006240 drawn fiber Polymers 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 239000008273 gelatin Substances 0.000 description 3
- 229920000159 gelatin Polymers 0.000 description 3
- 235000019322 gelatine Nutrition 0.000 description 3
- 235000011852 gelatine desserts Nutrition 0.000 description 3
- 229910052573 porcelain Inorganic materials 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000035882 stress Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000011152 fibreglass Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 239000012783 reinforcing fiber Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 1
- 206010054949 Metaplasia Diseases 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000013530 defoamer Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000011151 fibre-reinforced plastic Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000015689 metaplastic ossification Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 238000004046 wet winding Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/34—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Moulding By Coating Moulds (AREA)
- Insulating Bodies (AREA)
Abstract
The invention discloses a kind of hollow combined insulator winding pipe and preparation method thereof, which be formed by curing by the glass fiber winding of epoxy resin-impregnated glue, and the epoxide-resin glue is made of the raw material of following parts by weight：80~120 parts of epoxy resin, 50~80 parts of curing agent, 5~10 parts of diluent, 2~5 parts of accelerating agent, 0.1~0.5 part of antifoaming agent；The diluent is epoxy propane butyl ether；The gel content of the winding pipe is 25%~30%.The hollow combined insulator winding pipe of the present invention, epoxide-resin glue have suitable viscosity and mobility, the excellent bonding performance with glass fibre, and the glass fiber dipped rear easily kiss-coating of multiply simultaneously forms fiber yarn sheet, improves winding efficiency；The winding pipe intensity formed after epoxy resin adhesive curing with glass fibre is high, and compactness and air-tightness are good, and with good insulation performance；Gel content is moderate, has good mechanical performance and electrical breakdown withstand performance.
Description
Technical field
The invention belongs to technical field of electric equipment, and in particular to a kind of hollow combined insulator winding pipe and its preparation
Method.
Background technology
Insulator is one of critical component in high-voltage fence and conveying circuit, and the quality of performance will directly affect high pressure
The safe operation of power grid.The high-tension insulator used at present has porcelain insulator, glass insulator and composite insulator three categories.Its
In, composite insulator has following advantages compared with porcelain insulator, glass insulator：It is light-weight, shock resistance is good, stain resistance
By force, explosion-proof performance is excellent, service life is long, hydrophobicity is good, use scope is wide, maintenance cost is low, production cost is low, product is shipped
Time is short, strong without zero, anti-ultraviolet property, and therefore, composite insulator is standby popular with users since launch, obtains fast
Speed development.
Composite insulator is made of plug, cluster parachute and gold utensil three parts, and plug is using the high fiberglass (glass fibers of intensity
Dimension reinforced resin) it is made, it is both bearing member and interior insulation part.Composite insulator can be divided into solid by the difference of fiber reinforced plastics rod
With hollow two kinds, solid glass steel core bar generally using pulling method produce, be mainly used in high-tension overhead line；Hollow glass steel
Plug is generally molded using winding method, is mainly used for inner insulator of standing, such as mutual inductor, high-voltage switch gear and breaker, is known as sky
Heart composite insulator.Compared with traditional porcelain insulator and glass insulator, hollow combined insulator has light weight, resistance to pollution flashover
The advantages that ability is strong, manufacturing process is simple is developed very rapid in recent decades.Hollow glass steel core bar is exhausted as Hollow Compound
The core component of edge subjects main mechanical stress, electric stress, therefore, for hollow combined insulator plug
It is asked to possess good mechanical performance, electrical breakdown withstand performance.
At present, the method for making Hollow Compound insulation core rod has two major classes：Glass fiber wet is Wrapping formed, Vaccum Permeating
The glass cloth tape of stain is Wrapping formed.Wherein glass fiber wet is Wrapping formed at low cost, easy to operate, but the winding of its preparation
Pipe is not met by the requirement to mechanical performance and electrical breakdown withstand performance in use.
In the prior art, CN100354988C, which is disclosed, a kind of uses glass fiber impregnating resin wound-type composite insulator
The preparation method of plug, including weighing resin base dip composition by weight, including resin, curing agent, accelerating agent, three's
Weight ratio is 90-120:80-90:1, the resin be epoxy resin, the curing agent be methyl tetrahydro phthalic anhydride, the accelerating agent
For S-440；Glass fibre epoxy winding yarn monofilament is put into the resin base after fusing by one end of spindle by resin base rubber slot
In solution, then one end of monofilament is fixed on becket；Wrapping machine is opened by the program work being previously set, winding finishes
Afterwards, curing oven is put into together together with winding tool part to be cured；Etc. then temperature, which are down to automatically after room temperature, unloads tool part, de-
Mould completes entire process.The wound-type composite insulator core is simple in structure, and production cost is low.But it is adopted in winding
It is the form of monofilament winding, the production time of unit product is long, and production efficiency is low；Monofilament is easy to generate broken yarn
Problem influences the yield rate and mechanical strength of final products；Meanwhile the bad control of kiss-coating amount of monofilament impregnation, often kiss-coating amount
It is relatively low, fiber gap rate in final products is caused to increase, air-tightness, anti ageing property and mechanical strength of product etc. are not achieved and make
It is required that while also influence its electrical breakdown withstand performance.
The content of the invention
The object of the present invention is to provide a kind of hollow combined insulator winding pipe, have good mechanical performance and resistance to electricity
Breakdown performance.
It is a further object to provide a kind of preparation methods of hollow combined insulator winding pipe.
In order to achieve the goal above, the technical solution adopted in the present invention is：
A kind of hollow combined insulator winding pipe, the winding pipe are consolidated by the glass fiber winding of epoxy resin-impregnated glue
Change what is formed, the epoxide-resin glue is made of the raw material of following parts by weight：80~120 parts of epoxy resin, curing agent 50~
80 parts, 5~10 parts of diluent, 2~5 parts of accelerating agent, 0.1~0.5 part of antifoaming agent；The diluent is epoxy propane butyl ether；
The gel content of the winding pipe is 25%~30%.
The gel content refers to account for after epoxy resin adhesive curing the mass percent of entire winding pipe, and (epoxide-resin glue is solid
Quality will not vary widely before and after change).The gel content (after curing) of the winding pipe of the present invention is 25%~30%；Surplus is
Glass fibre.
The epoxy resin is E51 type epoxy resin.Preferably, the epoxy resin provides for sinopec Ba Ling petrochemical industry
EP CYD-128 epoxy resin.
The glass fibre is alkali-free glass fibre zero twisted yarn.Preferably, the glass fibre for alkali-free glass fibre without
Twist with the fingers rove.
The curing agent is methyl tetrahydro phthalic anhydride.The gelling temperature of the curing agent is 120~140 DEG C, solidify afterwards temperature
It spends for 140~160 DEG C.Preferably, the curing agent cures for the JHY906 that Jiaxing Lian Xing new chemical materials Co., Ltd provides
Agent (methyl tetrahydro phthalic anhydride).
The diluent is reactive diluent 660 (commercial goods).
The accelerating agent is 2,4,6- tri- (dimethylamino methyl) phenol.The accelerating agent is DMP-30 (commercial goods).
The antifoaming agent is organic silicon defoamer.The preferred BYK A530 antifoaming agent of antifoaming agent.
The epoxide-resin glue is after mixing the epoxy resin of formula ratio, curing agent, diluent, accelerating agent and antifoaming agent
It is manufactured；The viscosity of the epoxide-resin glue is 0.35~0.45Pas (viscosity is controlled during impregnation).The winding pipe is by soaking
What the fiber yarn sheet wound and solidified that the multiply glass fibre of stain epoxide-resin glue is formed was formed.
The hollow combined insulator winding pipe of the present invention is to cure shape by the glass fiber winding of epoxy resin-impregnated glue
Into, epoxide-resin glue adds in diluent, antifoaming agent compounding on the basis of epoxy resin, curing agent, accelerating agent, and it is suitable to have
Viscosity and mobility, the excellent bonding performance with glass fibre, the glass fiber dipped rear easily kiss-coating of multiply simultaneously form fiber yarn sheet,
The winding pipe intensity formed after curing with glass fibre is high, and compactness and air-tightness are good, and with good insulation performance；This is twined
Gel content around pipe is moderate, has good mechanical performance and electrical breakdown withstand performance, meets electric power network, substation for hollow
The requirement of used in composite insulator winding pipe.
A kind of preparation method of above-mentioned hollow combined insulator winding pipe, comprises the following steps：
1) glue is matched somebody with somebody：Epoxy resin, curing agent, diluent, accelerating agent and the antifoaming agent of formula ratio is taken to be uniformly mixed, ring is made
Oxygen resin glue inserts epoxide-resin glue in the glue groove of constant temperature；
2) die treatment：Coring mould coats releasing agent in mandrel surface；
3) impregnation is wound：Multiply glass fibre zero twisted yarn is made into fiber impregnation through glue groove and forms fiber yarn sheet, is drawn
After fiber yarn sheet is fixed in core end, fiber yarn sheet is persistently wrapped on core, winding angle is 52 °~56 °, winding
Power is 1.1~2kN, and speed of wrap is 1.0~1.5m/s；Thin film protection band is wrapped with after winding on the outside, obtain half into
Product；
4) cure：By semi-finished product obtained by step 3) carry out curing and demolding to get.
In step 1), the temperature of the glue groove is 60 DEG C.The viscosity control of the epoxide-resin glue 0.35~
0.45Pa·s。
In step 1), the epoxide-resin glue is preheated before glue groove is inserted；The preheating refers to epoxy resin
Glue heat-insulation preheating 8h under the conditions of 50 DEG C.
In step 2), the releasing agent is 818 liquid release agents of AXEL companies of the U.S..The painting method of the releasing agent
Releasing agent is dipped in for spraying or with soft cloth, it is uniform in mandrel surface wiping coating.
In step 3), the glass fibre zero twisted yarn passes through drying and processing before the use；The drying and processing is 60
It is dried for 24 hours under the conditions of~80 DEG C.Fiberglass surfacing contains moisture, not only influences bonding between resin base material and glass fibre
Performance, at the same the defects of stress corrosion will be caused, make micro-crack further expand, so as to cause the intensity and resistance to ag(e)ing of product
It can decline, therefore glass fibre passes through drying and processing before the use.
In the winding process of step 3), mandrel surface is paved with as one layer of fibrous layer using fiber yarn sheet, one layer one from inside to outside
Layer winding；Wind thickness setting of the number of plies according to requirement.
In the winding process of step 3), distance H of the silk mouth away from mandrel surface is arranged to 40~60mm；Yarn group's number is arranged to 14
~20 yarns.The width of fiber yarn sheet is according to the number setting of yarn group.
In step 3), by 9~12 strands of glass fibre zero twisted yarns through glue groove make fiber impregnation and formation width for 14~
The fiber yarn sheet of 20mm.
In step 3), core is paved with as one layer of fibrous layer using fiber yarn sheet, the winding angle of inner fiber layer for 52 °~
56 °, the winding angle of outermost two fibre layers is 90 °.In winding process, it is 120 ° that end socket, which stops angle,.
Control winding parameter is needed in winding process：Winding tension according to core mold structure, reinforcing fiber intensity, gelatin viscosity and
Depending on whether core heats, winding tension of the invention is 1.1~2kN.The hollow combined insulator winding pipe of the present invention
Preparation method is Wet Winding Process, and speed of wrap (yarn speed) is limited be subject to fiber immersing glue process, is 1.0~1.5m/s；When
When speed of wrap (yarn speed) is too fast, mandrel rotary velocity is very high, it may appear that resin adhesive liquid is under the action of the centrifugal force from winding arrangement
It is middle to external migration and the imagination spilt, the distribution of glue and content are unable to control in product, influence the performance of final products.
Notice that control glue content, creel go out whether yarn has broken yarn phenomenon in winding process.
The height and its substep of glass fiber dipped content are very big on product properties influence, directly affect the heavyweight of product
Thickness；Gel content is excessively high, and the combined strength bination of product reduces；Gel content is too low, and the fiber gap rate in product increases, and makes product
Air-tightness, anti ageing property and shear strength decline, while also influence the performance of fibre strength.Therefore, fiber immersing glue process must
It must strictly control, the gel content for making gained winding pipe is 25%~30% (mass percent).Fiber gel content is soaked in fiber
It is controlled during glue.Immersing glue process is that resin adhesive liquid coating or leaching hang over reinforcing fiber surface, and glue is to enhancing afterwards
Fibrous inside is spread and infiltration, the two stages are carried out at the same time.In immersing glue process, the factor of fiber gel content is influenced very
It is more, such as fiber dimensious, gelatin viscosity, winding tension, speed of wrap, frictioning mechanism, operation temperature, wherein gelatin viscosity, twine
It is most important around tension, speed of wrap.
The film protection band is polyester film or polytetrafluoroethylene film.Thin film protection band is wrapped in outermost
Effect is to prevent uncured resin from dripping.
Solidification process is to ensure the fully cured essential condition of winding product, directly affects the performance and matter of winding product
Amount, chemical reaction velocity can be improved by being heating and curing, and shorten hardening time, shortened the production cycle, improved production efficiency.It is heating and curing
Winding product intensity than normal temperature cure can at least improve 20%~30%.
Described to be cured as cured in stages in step 4), the cured in stages refers to the semi-finished product successively 90
90min is kept the temperature under the conditions of DEG C, 150min is kept the temperature under the conditions of 120 DEG C, keeps the temperature 30min under the conditions of 160 DEG C.
The hollow combined insulator of present invention winding tube preparation method, including matching somebody with somebody glue, die treatment, impregnation winding and solid
The step of changing, demoulding, impregnation winding step are that multiply glass fibre zero twisted yarn is made fiber impregnation through glue groove and forms fiber
Fiber yarn sheet is persistently wrapped on core, is wound compared with monofilament by yarn sheet, substantially reduces the production cycle of single product,
Production efficiency is high；By speed of wrap control in suitable scope, glue is to external migration caused by preventing mandrel rotary velocity too high
With a situation about spilling, while almost without broken yarn phenomenon, high yield rate；By rationally controlling operation and the technical parameter of each step,
Resulting product gel content is moderate, and compactness is good, and combined strength bination is high, improves air-tightness, anti ageing property, the electrical breakdown withstand of product
Performance and mechanical strength meet electric power network, substation for the requirement of hollow combined insulator winding pipe, have good
Good economic benefit；The preparation method is simple for process, easy to operate, reliable and stable, is easy to automation control, is suitble to extensive work
Industry metaplasia is produced.
Description of the drawings
Fig. 1 is the process flow diagram of the preparation method of the hollow combined insulator winding pipe of embodiment 1.
Specific embodiment
The present invention is described further With reference to embodiment.
In specific embodiment, the epoxy resin is the EP CYD-128 epoxy resin that sinopec Ba Ling petrochemical industry provides；
Methyl tetrahydro phthalic anhydride is provided by Jiaxing Lian Xing new chemical materials Co., Ltd；Releasing agent takes off for 818 liquid of AXEL companies of the U.S.
Mould agent.
Embodiment 1
The hollow combined insulator winding pipe of the present embodiment is the glass fiber winding curing by epoxy resin-impregnated glue
It is formed, the epoxide-resin glue is made of the raw material of following parts by weight：80 parts of epoxy resin, 65 parts of methyl tetrahydro phthalic anhydride,
10 parts of epoxy propane butyl ether, 3 parts of 2,4,6- tri- (dimethylamino methyl) phenol, 0.5 part of BYK A530 antifoaming agent；The winding
The gel content of pipe is 25% (mass percent).The glass fibre is alkali-free glass fibre zero twisted yarn.
The preparation method of the hollow combined insulator winding pipe of the present embodiment, technological process is as shown in Figure 1, including following
Step：
1) glue is matched somebody with somebody：Take E51 types epoxy resin, methyl tetrahydro phthalic anhydride, epoxy propane butyl ether, the 2,4,6- tri- of formula ratio
(dimethylamino methyl) phenol and BYK A530 antifoaming agent are uniformly mixed and epoxide-resin glue are made, by the epoxide-resin glue 50
Under the conditions of DEG C after heat-insulation preheating 8h, insert in the glue groove of 60 DEG C of constant temperature；The viscosity of the epoxide-resin glue is controlled in 0.35Pa
s；
2) die treatment：Coring mould coats releasing agent in mandrel surface；
3) impregnation is wound：12 e-glass fiber roving groups are selected, before e-glass fiber roving use
It is dried for 24 hours under the conditions of 60 DEG C；
12 strands of e-glass fiber rovings of extraction make fiber impregnation through glue groove from fiber mounting and formation width is
The fiber yarn sheet of 20mm is drawn fiber yarn sheet and is fixed in 3 circle of core end winding；Silk distance H of the mouth away from mandrel surface is arranged to
60mm；
Wind is opened, fiber yarn sheet is persistently wrapped on core, ensures that fiber is paved with die surface, winding tension
For 2kN, speed of wrap 1.0m/s；Mandrel surface is paved with as one layer of fibrous layer using fiber yarn sheet, is twined in layer from inside to outside
Around the winding angle of inner fiber layer is 54 °, and the winding angle of outermost two fibre layers is 90 °, and it is 120 ° that end socket, which stops angle,；
Frictioning is paid attention in winding process, controls glue content；
A strata ester film protection band is wrapped with after winding on the outside, prevents uncured glue from dripping, obtains semi-finished product；
4) cure：Semi-finished product obtained by step 3) are placed in curing oven and carry out cured in stages, the cured in stages is
Refer to and the semi-finished product are kept the temperature under the conditions of 90 DEG C to 90min successively, 150min is kept the temperature under the conditions of 120 DEG C, is kept the temperature under the conditions of 160 DEG C
30min, postcooling；
After cooling with ingot stripper demould to get.
Embodiment 2
The hollow combined insulator winding pipe of the present embodiment is the glass fiber winding curing by epoxy resin-impregnated glue
It is formed, the epoxide-resin glue is made of the raw material of following parts by weight：100 parts of epoxy resin, 80 parts of methyl tetrahydro phthalic anhydride,
5 parts of epoxy propane butyl ether, 2 parts of 2,4,6- tri- (dimethylamino methyl) phenol, 0.3 part of BYK A530 antifoaming agent：The winding
The gel content of pipe is 27% (mass percent).The glass fibre is e-glass fiber roving.
The preparation method of the hollow combined insulator winding pipe of the present embodiment, process flow chart is with embodiment 1, including under
Row step：
1) glue is matched somebody with somebody：Take E51 types epoxy resin, methyl tetrahydro phthalic anhydride, epoxy propane butyl ether, the 2,4,6- tri- of formula ratio
(dimethylamino methyl) phenol and BYK A530 antifoaming agent are uniformly mixed and epoxide-resin glue are made, by the epoxide-resin glue 50
Under the conditions of DEG C after heat-insulation preheating 8h, insert in the glue groove of 60 DEG C of constant temperature；The viscosity of the epoxide-resin glue is controlled in 0.40Pa
s；
2) die treatment：Coring mould coats releasing agent in mandrel surface；
3) impregnation is wound：10 e-glass fiber roving groups are selected, before e-glass fiber roving use
It is dried for 24 hours under the conditions of 70 DEG C；
10 strands of e-glass fiber rovings of extraction make fiber impregnation through glue groove from fiber mounting and formation width is
The fiber yarn sheet of 16mm is drawn fiber yarn sheet and is fixed in 5 circle of core end winding；Silk distance H of the mouth away from mandrel surface is arranged to
50mm；
Wind is opened, fiber yarn sheet is persistently wrapped on core, ensures that fiber is paved with die surface, winding tension
For 1.5kN, speed of wrap 1.3m/s；Mandrel surface is paved with as one layer of fibrous layer using fiber yarn sheet, from inside to outside in layer
Winding, the winding angle of inner fiber layer is 56 °, and the winding angle of outermost two fibre layers is 90 °, and end socket stops angle and is
120°；Frictioning is paid attention in winding process, controls glue content；
A strata ester film protection band is wrapped with after winding on the outside, prevents uncured glue from dripping, obtains semi-finished product；
4) cure：Semi-finished product obtained by step 3) are placed in curing oven and carry out cured in stages, the cured in stages is
Refer to and the semi-finished product are kept the temperature under the conditions of 90 DEG C to 90min successively, 150min is kept the temperature under the conditions of 120 DEG C, is kept the temperature under the conditions of 160 DEG C
30min, postcooling；
After cooling with ingot stripper demould to get.
Embodiment 3
The hollow combined insulator winding pipe of the present embodiment is the glass fiber winding curing by epoxy resin-impregnated glue
It is formed, the epoxide-resin glue is made of the raw material of following parts by weight：120 parts of epoxy resin, 50 parts of methyl tetrahydro phthalic anhydride,
8 parts of epoxy propane butyl ether, 5 parts of 2,4,6- tri- (dimethylamino methyl) phenol, 0.1 part of BYK A530 antifoaming agent；The winding
The gel content of pipe is 30% (mass percent).The glass fibre is e-glass fiber roving.
The preparation method of the hollow combined insulator winding pipe of the present embodiment, technological process is as shown in Figure 1, including following
Step：
1) glue is matched somebody with somebody：Take E51 types epoxy resin, methyl tetrahydro phthalic anhydride, epoxy propane butyl ether, the 2,4,6- tri- of formula ratio
(dimethylamino methyl) phenol and BYK A530 antifoaming agent are uniformly mixed and epoxide-resin glue are made, by the epoxide-resin glue 50
Under the conditions of DEG C after heat-insulation preheating 8h, insert in the glue groove of 60 DEG C of constant temperature；The viscosity of the epoxide-resin glue is controlled in 0.45Pa
s；
2) die treatment：Coring mould coats releasing agent in mandrel surface；
3) impregnation is wound：Select 9 e-glass fiber roving groups, e-glass fiber roving using it is preceding
It is dried for 24 hours under the conditions of 80 DEG C；
9 strands of e-glass fiber rovings of extraction make fiber impregnation through glue groove from fiber mounting and formation width is
The fiber yarn sheet of 14mm is drawn fiber yarn sheet and is fixed in 7 circle of core end winding；Silk distance H of the mouth away from mandrel surface is arranged to
40mm；
Wind is opened, fiber yarn sheet is persistently wrapped on core, ensures that fiber is paved with die surface, winding tension
For 1.1kN, speed of wrap 1.5m/s；Mandrel surface is paved with as one layer of fibrous layer using fiber yarn sheet, from inside to outside in layer
Winding, the winding angle of inner fiber layer is 52 °, and the winding angle of outermost two fibre layers is 90 °, and end socket stops angle and is
120°；Frictioning is paid attention in winding process, controls glue content；
One layer of polytetrafluoroethylene film protection band is wrapped with after winding on the outside, prevents uncured glue from dripping, obtains
Semi-finished product；
4) cure：Semi-finished product obtained by step 3) are placed in curing oven and carry out cured in stages, the cured in stages is
Refer to and the semi-finished product are kept the temperature under the conditions of 90 DEG C to 90min successively, 150min is kept the temperature under the conditions of 120 DEG C, is kept the temperature under the conditions of 160 DEG C
30min, postcooling；
After cooling with ingot stripper demould to get.
Experimental example
This experimental example is detected hollow combined insulator obtained by embodiment 1-3 with the performance of winding pipe, as a result such as table 1
It is shown.
The performance test results of hollow combined insulator winding pipe obtained by 1 embodiment 1-3 of table
| Project | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Fiber quality content | 75% | 73% | 70% |
| Water absorption rate/% | 0.0611 | 0.0526 | 0.0489 |
| Bending strength/MPa | 134 | 125 | 119 |
| Volume resistivity/Ω cm | 3.9×1013 | 4.4×1013 | 5.1×1013 |
| Density g/cm3 | 2.05 | 1.99 | 1.91 |
As it can be seen from table 1 the water absorption rate of hollow combined insulator winding pipe obtained by embodiment 1-3 for 0.0489%~
0.0611%, bending strength is 119~134MPa, and volume resistivity is (3.9~5.1) × 1013Ω·cm.Experimental result table
Bright, hollow combined insulator of the invention is moderate with winding pipe gel content, and compactness and air-tightness are good, has good mechanicalness
Can and insulation performance, meet electric power network, substation for hollow combined insulator winding pipe requirement.
Claims (6)
1. a kind of hollow combined insulator winding pipe, it is characterised in that：The winding pipe is by the glass of epoxy resin-impregnated glue
What fiber wound and solidified was formed, the epoxide-resin glue is made of the raw material of following parts by weight：80~120 parts of epoxy resin,
50~80 parts of curing agent, 5~10 parts of diluent, 2~5 parts of accelerating agent, 0.1~0.5 part of antifoaming agent；The epoxy resin is EP
CYD-128 epoxy resin；The curing agent is JHY906 methyl tetrahydro phthalic anhydride curing agent；The diluent is propylene oxide butyl
Ether；The gel content of the winding pipe is 25%~30%；The diluent is reactive diluent 660；The accelerating agent is 2,4,6-
Three（Dimethylamino methyl）Phenol；The glass fibre is alkali-free glass fibre zero twisted yarn；
The winding pipe is made by the method included the following steps：
1）With glue：Epoxy resin, curing agent, diluent, accelerating agent and the antifoaming agent of formula ratio is taken to be uniformly mixed, asphalt mixtures modified by epoxy resin is made
Fat glue inserts epoxide-resin glue in the glue groove of constant temperature；
2）Die treatment：Coring mould coats releasing agent in mandrel surface；
3）Impregnation is wound：Multiply glass fibre zero twisted yarn is made into fiber impregnation through glue groove and forms fiber yarn sheet, draws fiber
After yarn sheet is fixed in core end, fiber yarn sheet is persistently wrapped on core, winding angle is 52 °~56 °, and winding tension is
1.1~2kN, speed of wrap are 1.0~1.5m/s；Thin film protection band is wrapped with after winding on the outside, obtains semi-finished product；
4）Cure：By step 3）Gained semi-finished product carry out curing and demolding to get；
Step 4）In, described to be cured as cured in stages, the cured in stages refers to the semi-finished product successively in 90 DEG C of items
90min is kept the temperature under part, 150min is kept the temperature under the conditions of 120 DEG C, keeps the temperature 30min under the conditions of 160 DEG C.
2. a kind of preparation method of hollow combined insulator winding pipe as described in claim 1, it is characterised in that：Including under
Row step：
1）With glue：Epoxy resin, curing agent, diluent, accelerating agent and the antifoaming agent of formula ratio is taken to be uniformly mixed, asphalt mixtures modified by epoxy resin is made
Fat glue inserts epoxide-resin glue in the glue groove of constant temperature；
2）Die treatment：Coring mould coats releasing agent in mandrel surface；
3）Impregnation is wound：Multiply glass fibre zero twisted yarn is made into fiber impregnation through glue groove and forms fiber yarn sheet, draws fiber
After yarn sheet is fixed in core end, fiber yarn sheet is persistently wrapped on core, winding angle is 52 °~56 °, and winding tension is
1.1~2kN, speed of wrap are 1.0~1.5m/s；Thin film protection band is wrapped with after winding on the outside, obtains semi-finished product；
4）Cure：By step 3）Gained semi-finished product carry out curing and demolding to get.
3. the preparation method of hollow combined insulator winding pipe according to claim 2, it is characterised in that：Step 1）
In, the temperature of the glue groove is 60 DEG C.
4. the preparation method of hollow combined insulator winding pipe according to claim 2, it is characterised in that：Step 3）
In, by the fiber yarn sheet that 9~12 strands of glass fibre zero twisted yarns make fiber impregnation through glue groove and formation width is 14~20mm.
5. the preparation method of hollow combined insulator winding pipe according to claim 2, it is characterised in that：Step 3）
In, mandrel surface is paved with as one layer of fibrous layer using fiber yarn sheet, the winding angle of inner fiber layer is 52 °~56 °, outermost two layers
The winding angle of fibrous layer is 90 °.
6. the preparation method of hollow combined insulator winding pipe according to claim 2, it is characterised in that：The film
Protection band is polyester film or polytetrafluoroethylene film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510753790.5A CN105419229B (en) | 2015-11-05 | 2015-11-05 | A kind of hollow combined insulator winding pipe and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510753790.5A CN105419229B (en) | 2015-11-05 | 2015-11-05 | A kind of hollow combined insulator winding pipe and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105419229A CN105419229A (en) | 2016-03-23 |
| CN105419229B true CN105419229B (en) | 2018-05-22 |
Family
ID=55497793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510753790.5A Active CN105419229B (en) | 2015-11-05 | 2015-11-05 | A kind of hollow combined insulator winding pipe and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105419229B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106273531B (en) * | 2016-08-10 | 2018-05-25 | 袁灿 | A kind of centrifugal cylinder and preparation method thereof |
| CN106239930A (en) * | 2016-08-29 | 2016-12-21 | 曹如锋 | A kind of GRE twisted pipe production process |
| CN106633636A (en) * | 2016-11-17 | 2017-05-10 | 青岛阿斯顿工程技术转移有限公司 | Glass fiber reinforced epoxy resin pipeline |
| CN108192286A (en) * | 2017-12-27 | 2018-06-22 | 江苏神马电力股份有限公司 | Composite insulator and preparation method thereof |
| CN108597697B (en) * | 2018-06-21 | 2024-04-05 | 江苏恒神股份有限公司 | Glass fiber composite insulator and preparation method thereof |
| CN108976717A (en) * | 2018-08-01 | 2018-12-11 | 连云港中复连众复合材料集团有限公司 | A kind of high-voltage epoxy pipeline of normal temperature cure and preparation method thereof |
| CN111572104A (en) * | 2020-05-29 | 2020-08-25 | 哈尔滨玻璃钢研究院有限公司 | Low-cost composite core pipe and manufacturing method thereof |
| CN112606368A (en) * | 2020-11-27 | 2021-04-06 | 上海华明高压电气开关制造有限公司 | Insulating cylinder and forming process thereof |
| CN115418077A (en) * | 2022-09-16 | 2022-12-02 | 西安永兴科技发展有限公司 | Composite material for electrified railway insulation clamping plate and preparation method thereof |
| CN117162531B (en) * | 2023-11-02 | 2024-02-13 | 搏世因（北京）高压电气有限公司 | Full-automatic multidimensional winding system for impregnated fiber sleeve |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1530216A (en) * | 2003-03-14 | 2004-09-22 | 云 白 | Fibreglass reinforced epoxy resin insulator core rod producing technology and apparatus |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014043507A (en) * | 2012-08-27 | 2014-03-13 | Toray Ind Inc | Glass fiber fabric prepreg and glass fiber reinforced composite material |
-
2015
- 2015-11-05 CN CN201510753790.5A patent/CN105419229B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1530216A (en) * | 2003-03-14 | 2004-09-22 | 云 白 | Fibreglass reinforced epoxy resin insulator core rod producing technology and apparatus |
Non-Patent Citations (1)
| Title |
|---|
| "复合空心绝缘子的初步研究";任鹏刚等;《绝缘材料》;20031231(第1期);第1-4页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105419229A (en) | 2016-03-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105419229B (en) | A kind of hollow combined insulator winding pipe and preparation method thereof | |
| CN104672782B (en) | A kind of fiber-reinforced resin matrix compound material core and its manufacture method | |
| CN108372667A (en) | A kind of fibre reinforced composites twine molded technique and device | |
| CN106320797B (en) | A kind of high voltage hard full skirt composite insulation cross arm and its preparation facilities and method | |
| CN102261193B (en) | Composite cross arm for power transmission line and preparation method thereof | |
| CN107973925B (en) | Preparation method of epoxy glass cloth insulating cylinder | |
| CN106531437B (en) | A kind of preparation method of transformer insulating cylinder | |
| CN102977552A (en) | Fiber-enhanced resin matrix composite material and preparation method thereof | |
| CN106183893B (en) | The manufacturing device and technique of whole compound inslation bracket applied to railway contact net | |
| CN101845913B (en) | Composite material electric pole and preparation method thereof | |
| CN105082554B (en) | The processing method and its system of processing of composite material taper electric pole | |
| CN106158170B (en) | The preparation method of core rod of insulator | |
| CN209440832U (en) | A kind of fibre reinforced composites twine pressing molding device | |
| Chen | Glass fiber‐reinforced polymer composites for power equipment | |
| CN106531376B (en) | Precast body, core rod of insulator and preparation method | |
| CN112048151A (en) | Resin composition for preparing aramid composite core by pultrusion process | |
| CN106009524B (en) | Continuous composite material of plant fiber prepares truss-like lattice structure | |
| CN106531378B (en) | The manufacturing method of solid cylinder | |
| CN106448958B (en) | Precast body, core rod of insulator and the preparation method of non-resin winding | |
| CN106182800A (en) | A kind of SF6 primary cut-out insulated tension pole production technology | |
| CN215359977U (en) | Core prefabricated part for composite hollow insulator, insulator core and insulator | |
| CN104517673A (en) | Carbon fiber composite core wire and production method | |
| CN106298111B (en) | Core rod of insulator precast body, core rod of insulator and preparation method | |
| CN206179608U (en) | Prefabricated body of insulator core rod and insulator | |
| CN108454078A (en) | A kind of winding, molding method of fiberglass |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |