CN103497493B - Insulation support beam and its preparation method - Google Patents
Insulation support beam and its preparation method Download PDFInfo
- Publication number
- CN103497493B CN103497493B CN201310382094.9A CN201310382094A CN103497493B CN 103497493 B CN103497493 B CN 103497493B CN 201310382094 A CN201310382094 A CN 201310382094A CN 103497493 B CN103497493 B CN 103497493B
- Authority
- CN
- China
- Prior art keywords
- supporting beam
- parts
- division board
- unsaturated polyester
- crossbeam
- 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
Landscapes
- Laminated Bodies (AREA)
Abstract
The invention discloses an insulation support beam and its preparation method, and is used to solve the problems of poor flame resistance, poor arc resistance and the like of insulation support beams in the prior art. The insulation support beam includes unsaturated polyester resin, a filler, an initiator, a promoting agent, a polymerization inhibitor and a reinforced material. The insulation support beam has excellent heat resistance and flame resistance, the flame resistance reaches level FV0, and the service life and use safety performance of the insulation support beam are improved. At the same time, the insulation support beam has excellent voltage resistance, arc resistance, good insulation performance and small resistance change after long time of soaking, and can be applied to high voltage and ultra-high voltage occasions.
Description
Technical field
The invention belongs to the insulation applications of electrical equipment, be specifically related to a kind of insulating supporting beam and preparation method thereof.
Background technology
Insulating supporting beam (plate) is widely used in the fields such as wind-powered electricity generation, national grid, frequency conversion tank, track traffic, is the important component part ensureing Electrical Safety.
Such as application number be 201220486913.5 patent of invention disclose a kind of power transformer insulcrete, be arranged on transformer, comprise insulcrete, the joint face of insulcrete is provided with a layer insulating, and described insulation layer is made up of DMD insulation paper.Insulation layer sticks on insulcrete, and insulcrete is string configuration.
Application number be 201110529480.2 patent of invention disclose a kind of urethane I-section profile, I-section profile skeleton is formed, outside compound in urethane resin and I-section profile skeleton and form urethane I-section profile by gather layer and glass mat of multi beam glass fibre.
The undercapacity of existing insulating supporting beam (plate) causes bearing heavy lift, is therefore restricted in use.The lifting of (mainly the load-bearing) of intensity can only rely on the thickness of thickening layer insulcrete or increase the quantity of insulcrete, namely brings trouble to installation, too increases cost simultaneously.Insulating supporting can cause creepage distance short simultaneously, larger potential safety hazard is there is during use, the occasion of high pressure and extra-high voltage can not be applicable to, existing insulation support plate is in order to solve the problem of creepage distance, the height of insulation support plate can only be increased, namely cause increasing of production cost, the feature that electrical equipment brings not aspect is installed.
The resistance toheat of existing insulating supporting beam (plate) is poor, and flame retardant properties is poor, the poor performance such as resistance to electric arc, resistance to electric arc, thus easily occurs aging phenomenon, and cause work-ing life short, maintenance cost is high.
Summary of the invention
The present invention solves the above-mentioned technical problem of existing insulation support plate, and provides a kind of insulating supporting beam and preparation method thereof, can increase creepage distance, and light weight, intensity are high simultaneously, can bear heavy lift; Have that resistance toheat is good, flame retardant properties is good and the electric property of excellence, thus improve work-ing life, reduce produce and maintenance cost low.
The present invention for solving the problems of the technologies described above adopted technical scheme is:
A kind of insulating supporting beam, it is characterized in that, comprise crossbeam, the top of described crossbeam is provided with the upper supporting beam be symmetrically arranged, the below of described crossbeam is provided with the lower support beam be symmetrically arranged, and is provided with at least one for increasing being provided with at least one between the upper division board of creepage distance and/or described lower support beam for increasing the lower division board of creepage distance between described upper supporting beam; Described crossbeam, upper supporting beam, lower support beam, upper division board and the material component of lower division board and the parts by weight of each component are:
Unsaturated polyester resin 20-40 parts;
Filler 30-60 parts;
Initiator 0.5-10 parts;
Promotor 0.1-5 parts;
Stopper 0.1-5 parts;
Strongthener 10-30 parts.
Further, described unsaturated polyester resin is one or more the combination in adjacent benzene-type unsaturated polyester resin, metaphenylene unsaturated polyester resin, terephthalic unsaturated polyester resin, Bisphenol a unsaturated polyester resin or vinyl ester type unsaturated polyester resin;
Further, described filler is one or more the combination in calcium carbonate, Aluminum calcium silicate, barium sulfate, miemite, china clay, glass microballon, silicate microballon, aluminium hydroxide, aluminum oxide, magnesium oxide, magnesium hydroxide, zirconium white, weisspiessglanz or talcum powder.
Further, described initiator is one or more the combination in benzoyl peroxide, methylethyl ketone peroxide, cyclohexanone peroxide, peroxidized t-butyl perbenzoate or 1,1-bis-(t-butyl peroxy) hexanaphthene.
Further, described promotor is one or more the combination in cobalt naphthenate, cobalt octoate, xylidine, Diethyl Aniline or dimethyl-p-toluidine.
Further, described stopper is one or more the combination in Resorcinol, para benzoquinone, tertiarybutylhydroquinone, 2,5-ditert-butylhydro quinones or methyl hydroquinone.
Further, described strongthener is one or more the combination in glass fibre/felt, carbon fiber, aramid fiber, trevira or cyclization.
The preparation method of insulating supporting beam, is characterized in that: its preparation method comprises the following steps:
(1) prepare burden: unsaturated polyester resin, filler, initiator, promotor and stopper are prepared burden according to above-mentioned parts by weight;
(2) stir: the batching in (1) is stirred in stirring mechanism, obtained resin slip;
(3) infiltrate: utilize resin slip to infiltrate strongthener at plate material forming machine, obtain the laminboard layer of resin slip-strongthener-resin slip, make resin slip soak into strongthener and mix; Plate material forming unit has upper and lower two cover slip coating devices, polyethylene film is released through scraper gluing table by releasing device, namely resin slip pours on film, scraper is had in gluing edge of table, regulate the clearance height of scraper and table top to be frictioning thickness, the gap of scraper and table top is by micrometer adjuster minute adjustment.Two panels film is respectively by being transported on travelling belt after machine upper and lower coated with resin slip, namely strongthener is layered on above the resin slip of lower film, then double-layer films closes up, form the laminboard layer of resin slip-strongthener-resin slip, in plate material forming unit, a series of extrusion roll is pinched laminboard layer and is rubbed work, makes resin slip soak into strongthener and mix.
(4) rolling: rolling in sheet stock unit;
(5) maturation process: carry out maturation process in sheet stock unit, the temperature of maturation process is 15 °-40 °, and the time of maturation process is 5-48 hours;
(6) compression moulding: by mould compression moulding in thermocompressor or vacuum hotpressing machine.
Further, described stirring mechanism is high speed dispersor, and the temperature stirred in high speed dispersor is 20 DEG C-30 DEG C, and the time of stirring is 20-50 minute.
Compared with prior art the present invention has following beneficial effect:
Insulating supporting beam provided by the invention, has light weight, flexural strength is high, elastic strength is high, feature that tensile strength is high, less material can be utilized just to meet the demand of bearing heavy lift, be convenient to reduce production cost.Less material can be utilized to realize bearing the ability of heavy lift, reduce production cost.Insulating supporting beam of the present invention is by mould compression moulding simultaneously, the length of insulating supporting beam can reach more than 5m, can be applicable to the insulating supporting use of large-scale or super-huge electrical equipment, this is that existing insulating supporting beam (no matter its raw material) all can not reach this length.
Insulating supporting beam of the present invention has excellent heatproof combustion resistance, and flame retardant resistance reaches FV0 level, improves work-ing life of the present invention and usage safety performance.After having excellent proof voltage, resistance to electric arc, good insulation preformance, long-time immersion, resistance change is little simultaneously, can be applicable to the electrical equipment insulating supporting of high pressure and extra-high voltage.
Insulating supporting beam of the present invention, by mould compression moulding, can be produced the insulating supporting beam of different shapes, size, meet the insulating supporting demand of various electrical equipment.
Insulating supporting beam of the present invention, by arranging upper division board and/or lower division board can increase creepage distance, can be applicable to the occasion of high pressure and extra-high voltage.
Accompanying drawing explanation
Fig. 1 is the stereographic map of the embodiment of the present invention one;
Fig. 2 is the right view of Fig. 1;
Fig. 3 is the right view of the embodiment of the present invention two;
Fig. 4 is the right view of the embodiment of the present invention three;
Fig. 5 is the right view of the embodiment of the present invention four;
Mark in figure: 1, upper supporting beam, 2, lower support beam, 3, upper division board, 4, lower division board, 5, crossbeam.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings and the specific embodiments, and described embodiment is only the present invention's part embodiment, is not whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments used obtained under creative work prerequisite, belongs to protection scope of the present invention.
Insulating supporting beam of the present invention, comprise crossbeam, the top of described crossbeam is provided with the upper supporting beam be symmetrically arranged, the below of described crossbeam is provided with the lower support beam be symmetrically arranged, and is provided with at least one for increasing being provided with at least one between the upper division board of creepage distance and/or described lower support beam for increasing the lower division board of creepage distance between described upper supporting beam; Described crossbeam, upper supporting beam, lower support beam, upper division board and the material component of lower division board and the parts by weight of each component are:
Unsaturated polyester resin 20-40 parts;
Filler 30-60 parts;
Initiator 0.5-10 parts;
Promotor 0.1-5 parts;
Stopper 0.1-5 parts;
Strongthener 10-30 parts.
Further, described unsaturated polyester resin is one or more the combination in adjacent benzene-type unsaturated polyester resin, metaphenylene unsaturated polyester resin, terephthalic unsaturated polyester resin, Bisphenol a unsaturated polyester resin or vinyl ester type unsaturated polyester resin;
Further, described filler is one or more the combination in calcium carbonate, Aluminum calcium silicate, barium sulfate, miemite, china clay, glass microballon, silicate microballon, aluminium hydroxide, aluminum oxide, magnesium oxide, magnesium hydroxide, zirconium white, weisspiessglanz or talcum powder.
Further, described initiator is one or more the combination in benzoyl peroxide, methylethyl ketone peroxide, cyclohexanone peroxide, peroxidized t-butyl perbenzoate or 1,1-bis-(t-butyl peroxy) hexanaphthene.
Further, described promotor is one or more the combination in cobalt naphthenate, cobalt octoate, xylidine, Diethyl Aniline or dimethyl-p-toluidine.
Further, described stopper is one or more the combination in Resorcinol, para benzoquinone, tertiarybutylhydroquinone, 2,5-ditert-butylhydro quinones or methyl hydroquinone.
Further, described strongthener is one or more the combination in glass fibre/felt, carbon fiber, aramid fiber, trevira or cyclization.
The preparation method of insulating supporting beam comprises the following steps:
(1) prepare burden: unsaturated polyester resin, filler, initiator, promotor and stopper are prepared burden according to above-mentioned parts by weight;
(2) stir: the batching in (1) is stirred in stirring mechanism, obtained resin slip;
(3) infiltrate: utilize resin slip to infiltrate strongthener at plate material forming machine, obtain the laminboard layer of resin slip-strongthener-resin slip, make resin slip soak into strongthener and mix; Plate material forming unit has upper and lower two cover slip coating devices, polyethylene film is released through scraper gluing table by releasing device, namely resin slip pours on film, scraper is had in gluing edge of table, regulate the clearance height of scraper and table top to be frictioning thickness, the gap of scraper and table top is by micrometer adjuster minute adjustment.Two panels film is respectively by being transported on travelling belt after machine upper and lower coated with resin slip, namely strongthener is layered on above the resin slip of lower film, then double-layer films closes up, form the laminboard layer of resin slip-strongthener-resin slip, in plate material forming unit, a series of extrusion roll is pinched laminboard layer and is rubbed work, makes resin slip soak into strongthener and mix.
(4) rolling: rolling in sheet stock unit;
(5) maturation process: carry out maturation process in sheet stock unit, the temperature of maturation process is 15 °-40 °, and the time of maturation process is 5-48 hours;
(6) compression moulding: by mould compression moulding in thermocompressor or vacuum hotpressing machine.
Further, described stirring mechanism is high speed dispersor, and the temperature stirred in high speed dispersor is 20 DEG C-30 DEG C, and the time of stirring is 20-50 minute.
Compared with prior art the present invention has following beneficial effect:
Insulating supporting beam provided by the invention, has light weight, flexural strength is high, elastic strength is high, feature that tensile strength is high, less material can be utilized just to meet the demand of bearing heavy lift, be convenient to reduce production cost.Less material can be utilized to realize bearing the ability of heavy lift, reduce production cost.Insulating supporting beam of the present invention is by mould compression moulding simultaneously, the length of insulating supporting beam can reach more than 5m, can be applicable to the insulating supporting use of large-scale or super-huge electrical equipment, this is that existing insulating supporting beam (no matter its raw material) all can not reach this length.
Insulating supporting beam of the present invention has excellent heatproof combustion resistance, and flame retardant resistance reaches FV0 level, improves work-ing life of the present invention and usage safety performance.After having excellent proof voltage, resistance to electric arc, good insulation preformance, long-time immersion, resistance change is little simultaneously, can be applicable to the electrical equipment insulating supporting of high pressure and extra-high voltage.
Insulating supporting beam of the present invention, by mould compression moulding, can be produced the insulating supporting beam of different shapes, size, meet the insulating supporting demand of various electrical equipment.
Insulating supporting beam of the present invention, by arranging upper division board and/or lower division board can increase creepage distance, can be applicable to the occasion of high pressure and extra-high voltage.
Embodiment one
Composition graphs 1 and Fig. 2, the insulating supporting beam of the present embodiment comprises crossbeam, the top of described crossbeam is provided with the upper supporting beam be symmetrically arranged, the below of described crossbeam is provided with the lower support beam be symmetrically arranged, a upper division board for increasing creepage distance between described upper supporting beam, is provided with a lower division board for increasing creepage distance between described lower support beam; Upper division board is located on crossbeam with lower division board is all vertical; The height of upper division board and thickness are less than support depth of beam and thickness respectively, and height and the thickness of lower division board are less than lower support depth of beam and thickness respectively; Described crossbeam, upper supporting beam, lower support beam, upper division board and the material component of lower division board and the parts by weight of each component are:
Adjacent benzene-type unsaturated polyester resin 20 parts, 30 parts, calcium carbonate, benzoyl peroxide 0.5 part, cobalt naphthenate 0.1 part, Resorcinol 0.1 part and 10 parts, glass fibre.First adjacent benzene-type unsaturated polyester resin, calcium carbonate, benzoyl peroxide, cobalt naphthenate and Resorcinol are prepared burden according to above-mentioned weight part; Stir obtained resin slip in stirring mechanism, and the stirring mechanism of the use of the present embodiment is high speed dispersor, and stirring work is carried out at normal temperatures, and the time of stirring, whipping temp was 20 degree till stirring, and churning time is 50 minutes; Utilize resin slip sized glass fibres at plate material forming machine, obtain the laminboard layer of resin slip-glass fibre-resin slip, make resin slip soak into glass fibre and mix.Plate material forming unit has upper and lower two cover slip coating devices, polyethylene film is released through scraper gluing table by releasing device, namely resin slip pours on film, scraper is had in gluing edge of table, regulate the clearance height of scraper and table top to be frictioning thickness, the gap of scraper and table top is by micrometer adjuster minute adjustment.Two panels film is respectively by being transported on travelling belt after machine upper and lower coated with resin slip, namely glass fibre is layered on above the resin slip of lower film, then double-layer films closes up, form the laminboard layer of resin slip-fiberglass-resin slip, in plate material forming unit, a series of extrusion roll is pinched laminboard layer and is rubbed work, makes resin slip soak into glass fibre and mix.
In sheet stock unit, carry out rolling and maturation process, the temperature of maturation process is 15 °, and the time of maturation process is 48 hours.
The feature that insulating supporting beam has light weight, flexural strength is high, elastic strength is high, tensile strength is high of the present embodiment, can utilize less material just can meet the demand of bearing heavy lift, is convenient to reduce production cost.Less material can be utilized to realize bearing the ability of heavy lift, reduce production cost.Insulating supporting beam of the present invention is by mould compression moulding simultaneously, the length of insulating supporting beam can reach more than 5m, can be applicable to the insulating supporting use of large-scale or super-huge electrical equipment, this is that existing insulating supporting beam (no matter its raw material) all can not reach this length.
The insulating supporting beam of the present embodiment has excellent heatproof combustion resistance, and flame retardant resistance reaches FV0 level, improves work-ing life of the present invention and usage safety performance.After having excellent proof voltage, resistance to electric arc, good insulation preformance, long-time immersion, resistance change is little simultaneously, can be applicable to the electrical equipment insulating supporting of high pressure and extra-high voltage.
Creepage distance is increased by arranging division board, make the present embodiment can be applicable to the insulating supporting of the electrical equipment of high pressure and extra-high voltage, the occasion of high pressure and extra-high voltage is applicable to when insulating supporting depth of beam can be made less, can either economize on resources, reduce production cost, bring convenience also can to the installation of electrical equipment simultaneously.
Embodiment two
Composition graphs 3, the insulating supporting beam of the present embodiment comprises crossbeam, upper supporting beam and lower support beam, is provided with an inclination and is connected to upper division board on crossbeam between upper supporting beam, is provided with an inclination and is connected to lower division board on crossbeam between lower support beam; The height of upper division board and thickness are less than support depth of beam and thickness respectively, and height and the thickness of lower division board are less than lower support depth of beam and thickness respectively; Upper division board and lower division board are symmetrical arranged about crossbeam; Described crossbeam, upper supporting beam, lower support beam, upper division board and the material component of lower division board and the parts by weight of each component are:
Metaphenylene unsaturated polyester resin 40 parts, Aluminum calcium silicate 60 parts, methylethyl ketone peroxide 10 parts, cobalt octoate 5 parts, para benzoquinone 5 parts, 30 parts, carbon fiber.
First metaphenylene unsaturated polyester resin, Aluminum calcium silicate, methylethyl ketone peroxide, cobalt octoate and para benzoquinone are prepared burden according to above-mentioned parts by weight; Stir obtained resin slip in stirring mechanism, the stirring mechanism of the use of the present embodiment is high speed dispersor, and stirring work is carried out at normal temperatures, and the time of stirring is till stirring, when the present embodiment test, whipping temp is 30 °, and the time stirred is 20 minutes; Utilize resin slip to infiltrate carbon fiber at plate material forming machine, obtain the laminboard layer of resin slip-carbon fiber-resin slip, make resin slip soak into carbon fiber and mix.Plate material forming unit has upper and lower two cover slip coating devices, polyethylene film is released through scraper gluing table by releasing device, namely resin slip pours on film, scraper is had in gluing edge of table, regulate the clearance height of scraper and table top to be frictioning thickness, the gap of scraper and table top is by micrometer adjuster minute adjustment.Two panels film is respectively by being transported on travelling belt after machine upper and lower coated with resin slip, namely carbon fiber is layered on above the resin slip of lower film, then double-layer films closes up, form the laminboard layer of resin slip-carbon fiber-resin slip, in plate material forming unit, a series of extrusion roll is pinched laminboard layer and is rubbed work, makes resin slip soak into carbon fiber and mix.
In sheet stock unit, carry out rolling and maturation process, the temperature of maturation process is 40 °, and the time of maturation process is 5 hours.
Embodiment three
Composition graphs 4, the insulating supporting beam of the present embodiment, by after mould compression moulding, comprises crossbeam, upper supporting beam and lower support beam, and crossbeam, upper support are all identical with the length of lower support beam.Be provided with four upper division boards be vertically connected on crossbeam between upper supporting beam, between lower support beam, be provided with four lower division boards be vertically connected on crossbeam.Have the height of two upper division boards to equal support depth of beam, the height of two upper division boards is less than support depth of beam; Have the height of two lower division boards to equal lower support depth of beam, the height of two lower division boards is less than lower support depth of beam.Upper division board and lower division board are symmetrical arranged about crossbeam.
Described crossbeam, upper supporting beam, lower support beam, upper division board and the material component of lower division board and the parts by weight of each component are: terephthalic unsaturated polyester resin 30 parts, 60 parts, barium sulfate, cyclohexanone peroxide 10 parts, xylidine 3 parts, tertiarybutylhydroquinone 4 parts, aramid fiber 30 parts.
First by terephthalic unsaturated polyester resin, barium sulfate, cyclohexanone peroxide, xylidine, tertiarybutylhydroquinone is prepared burden according to above-mentioned parts by weight; Stir obtained resin slip in stirring mechanism, the stirring mechanism of the use of the present embodiment is high speed dispersor, and stirring work is carried out at normal temperatures, and the time of stirring is till stirring, when the present embodiment test, whipping temp is 21 °, and the time stirred is 23 minutes; Utilize resin slip to infiltrate aramid fiber at plate material forming machine, obtain the laminboard layer of resin slip-aramid fiber-resin slip, make resin slip soak into aramid fiber and mix.Plate material forming unit has upper and lower two cover slip coating devices, polyethylene film is released through scraper gluing table by releasing device, namely resin slip pours on film, scraper is had in gluing edge of table, regulate the clearance height of scraper and table top to be frictioning thickness, the gap of scraper and table top is by micrometer adjuster minute adjustment.Two panels film is respectively by being transported on travelling belt after machine upper and lower coated with resin slip, namely aramid fiber is layered on above the resin slip of lower film, then double-layer films closes up, form the laminboard layer of resin slip-aramid fiber-resin slip, in plate material forming unit, a series of extrusion roll is pinched laminboard layer and is rubbed work, makes resin slip soak into aramid fiber and mix.
In sheet stock unit, carry out rolling and maturation process, the temperature of maturation process is 17 °, and the time of maturation process is 45 hours.
Embodiment four
Composition graphs 5, the insulating supporting beam of the present embodiment comprises crossbeam, upper supporting beam and lower support beam, and crossbeam is identical with the length of upper supporting beam, and the length of lower support beam is less than the length of crossbeam.Be provided with four upper division boards be vertically connected on crossbeam between upper supporting beam, between lower support beam, be provided with four lower division boards be vertically connected on crossbeam.Article four, the height of upper division board is different, and the height of four lower division boards is also different; But four the height of upper division board is less than support depth of beam, and the height of four lower division boards is less than lower support depth of beam; Upper division board and lower division board are about the asymmetric setting of crossbeam.
Described crossbeam, upper supporting beam, lower support beam, upper division board and the material component of lower division board and the parts by weight of each component are: Bisphenol a unsaturated polyester resin 25 parts, miemite 50 parts, peroxidized t-butyl perbenzoate 0.8 part, Diethyl Aniline 0.5 part, 2,5-ditert-butylhydro quinone 0.5 part, 29 parts, trevira.
First by p-phenyl's Bisphenol a unsaturated polyester resin, miemite, peroxidized t-butyl perbenzoate, Diethyl Aniline, 2,5-ditert-butylhydro quinone stirs obtained resin slip in stirring mechanism, and the stirring mechanism of the use of the present embodiment is high speed dispersor, stirring work is carried out at normal temperatures, the time of stirring, when the present embodiment test, whipping temp was 25 °, and the time stirred is 35 minutes till stirring; Utilize resin slip to infiltrate trevira at plate material forming machine, obtain the laminboard layer of resin slip-trevira-resin slip, make resin slip soak into trevira and mix.Plate material forming unit has upper and lower two cover slip coating devices, polyethylene film is released through scraper gluing table by releasing device, namely resin slip pours on film, scraper is had in gluing edge of table, regulate the clearance height of scraper and table top to be frictioning thickness, the gap of scraper and table top is by micrometer adjuster minute adjustment.Two panels film is respectively by being transported on travelling belt after machine upper and lower coated with resin slip, namely trevira is layered on above the resin slip of lower film, then double-layer films closes up, form the laminboard layer of resin slip-trevira-resin slip, in plate material forming unit, a series of extrusion roll is pinched laminboard layer and is rubbed work, makes resin slip soak into trevira and mix.
In sheet stock unit, carry out rolling and maturation process, the temperature of maturation process is 20 °, and the time of maturation process is 40 hours.
Embodiment five
The insulating supporting beam of the present embodiment comprises crossbeam, upper supporting beam and lower support beam, and crossbeam is identical with the length of upper supporting beam, and the length of lower support beam is less than the length of crossbeam.Be provided with four upper division boards be vertically connected on crossbeam between upper supporting beam, between lower support beam, be provided with four lower division boards be vertically connected on crossbeam.Article four, the height of upper division board is different, and the height of four lower division boards is also different; But four the height of upper division board is less than support depth of beam, and the height of four lower division boards is less than lower support depth of beam; Upper division board and lower division board are about the asymmetric setting of crossbeam.
Described crossbeam, upper supporting beam, lower support beam, upper division board and the material component of lower division board and the parts by weight of each component are: adjacent benzene-type unsaturated polyester resin and metaphenylene unsaturated polyester resin totally 35 parts, china clay 40 parts, 1,1-bis-(t-butyl peroxy) hexanaphthene 1 part, dimethyl-p-toluidine 2.3 parts, Resorcinol and para benzoquinone totally 2 parts, cyclization 10 parts.
First by adjacent benzene-type unsaturated polyester resin and metaphenylene unsaturated polyester resin, china clay, 1,1-bis-(t-butyl peroxy) hexanaphthene, dimethyl-p-toluidine, Resorcinol and para benzoquinone stir obtained resin slip in stirring mechanism, the stirring mechanism of the use of the present embodiment is high speed dispersor, stirring work is carried out at normal temperatures, the time of stirring is till stirring, when the present embodiment test, whipping temp is 27 °, and the time stirred is 25 minutes; Utilize resin slip to infiltrate cyclization at plate material forming machine, obtain the laminboard layer of resin slip-increasing cyclization-resin slip, make resin slip soak into cyclization and mix.Plate material forming unit has upper and lower two cover slip coating devices, polyethylene film is released through scraper gluing table by releasing device, namely resin slip pours on film, scraper is had in gluing edge of table, regulate the clearance height of scraper and table top to be frictioning thickness, the gap of scraper and table top is by micrometer adjuster minute adjustment.Two panels film is respectively by being transported on travelling belt after machine upper and lower coated with resin slip, namely strongthener is layered on above the resin slip of lower film, then double-layer films closes up, form the laminboard layer of resin slip-cyclization-resin slip, in plate material forming unit, a series of extrusion roll is pinched laminboard layer and is rubbed work, makes resin slip soak into cyclization and mix.
In sheet stock unit, carry out rolling and maturation process, the temperature of maturation process is 30 °, and the time of maturation process is 28 hours.
Embodiment six
The insulating supporting beam of the present embodiment comprises crossbeam, upper supporting beam and lower support beam, and crossbeam is identical with the length of upper supporting beam, and the length of lower support beam is less than the length of crossbeam.Be provided with four upper division boards be vertically connected on crossbeam between upper supporting beam, between lower support beam, be provided with four lower division boards be vertically connected on crossbeam.Article four, the height of upper division board is different, and the height of four lower division boards is also different; But four the height of upper division board is less than support depth of beam, and the height of four lower division boards is less than lower support depth of beam; Upper division board and lower division board are about the asymmetric setting of crossbeam.
Described crossbeam, upper supporting beam, lower support beam, upper division board and the material component of lower division board and the parts by weight of each component are: terephthalic unsaturated polyester resin, Bisphenol a unsaturated polyester resin and vinyl ester type unsaturated polyester resin totally 34 parts, glass microballon 55 parts, peroxidized t-butyl perbenzoate and 1,1-bis-(t-butyl peroxy) hexanaphthene totally 8 parts, cobalt naphthenate and cobalt octoate totally 1 part, tertiarybutylhydroquinone 3.5 parts, glassmat 19 parts.
First by terephthalic unsaturated polyester resin, Bisphenol a unsaturated polyester resin and vinyl ester type unsaturated polyester resin are altogether, glass microballon, peroxidized t-butyl perbenzoate and 1, 1-bis-(t-butyl peroxy) hexanaphthene, cobalt naphthenate and cobalt octoate, tertiarybutylhydroquinone stirs obtained resin slip in stirring mechanism, the stirring mechanism of the use of the present embodiment is high speed dispersor, stirring work is carried out at normal temperatures, the time of stirring is till stirring, when the present embodiment test, whipping temp is 28 °, the time stirred is 43 minutes, utilize resin slip Sized glass felt at plate material forming machine, obtain the laminboard layer of resin slip-glassmat-resin slip, make resin slip soak into glassmat and mix.Plate material forming unit has upper and lower two cover slip coating devices, polyethylene film is released through scraper gluing table by releasing device, namely resin slip pours on film, scraper is had in gluing edge of table, regulate the clearance height of scraper and table top to be frictioning thickness, the gap of scraper and table top is by micrometer adjuster minute adjustment.Two panels film is respectively by being transported on travelling belt after machine upper and lower coated with resin slip, namely glassmat is layered on above the resin slip of lower film, then double-layer films closes up, form the laminboard layer of resin slip-glassmat-resin slip, in plate material forming unit, a series of extrusion roll is pinched laminboard layer and is rubbed work, makes resin slip soak into glassmat and mix.
In sheet stock unit, carry out rolling and maturation process, the temperature of maturation process is 35 °, and the time of maturation process is 31 hours.
Embodiment seven
The insulating supporting beam of the present embodiment, by after mould compression moulding, comprises crossbeam, upper supporting beam and lower support beam, and crossbeam, upper support are all identical with the length of lower support beam.Be provided with four upper division boards be vertically connected on crossbeam between upper supporting beam, between lower support beam, be provided with four lower division boards be vertically connected on crossbeam.Have the height of two upper division boards to equal support depth of beam, the height of two upper division boards is less than support depth of beam; Have the height of two lower division boards to equal lower support depth of beam, the height of two lower division boards is less than lower support depth of beam.Upper division board and lower division board are symmetrical arranged about crossbeam.
Described crossbeam, upper supporting beam, lower support beam, upper division board and the material component of lower division board and the parts by weight of each component are: adjacent benzene-type unsaturated polyester resin, metaphenylene unsaturated polyester resin and terephthalic unsaturated polyester resin totally 40 parts, silicate microballon 45 parts, methylethyl ketone peroxide and cyclohexanone peroxide totally 7 parts, cobalt naphthenate and cobalt octoate totally 1.5 parts, methyl hydroquinone, Resorcinol and para benzoquinone totally 2.5 parts, trevira and cyclization 16 parts.
Embodiment eight
The insulating supporting beam of the present embodiment, by after mould compression moulding, comprises crossbeam, upper supporting beam and lower support beam, and crossbeam, upper support are all identical with the length of lower support beam.Be provided with four upper division boards be vertically connected on crossbeam between upper supporting beam, between lower support beam, be provided with four lower division boards be vertically connected on crossbeam.Have the height of two upper division boards to equal support depth of beam, the height of two upper division boards is less than support depth of beam; Have the height of two lower division boards to equal lower support depth of beam, the height of two lower division boards is less than lower support depth of beam.Upper division board and lower division board are symmetrical arranged about crossbeam.
Described crossbeam, upper supporting beam, lower support beam, upper division board and the material component of lower division board and the parts by weight of each component are: vinyl ester type unsaturated polyester resin 37 parts, 42 parts, aluminium hydroxide, BP and peroxidized t-butyl perbenzoate 0.5 part, cobalt octoate 4 parts, 2,5-ditert-butylhydro quinone 5 parts, carbon fiber and aramid fiber totally 16 parts.
Embodiment nine
The insulating supporting beam of the present embodiment comprises crossbeam, upper supporting beam and lower support beam, is provided with an inclination and is connected to upper division board on crossbeam between upper supporting beam, is provided with an inclination and is connected to lower division board on crossbeam between lower support beam; The height of upper division board and thickness are less than support depth of beam and thickness respectively, and height and the thickness of lower division board are less than lower support depth of beam and thickness respectively; Upper division board and lower division board are symmetrical arranged about crossbeam; Described crossbeam, upper supporting beam, lower support beam, upper division board and the material component of lower division board and the parts by weight of each component are:
Totally 25 parts, terephthalic unsaturated polyester resin 21 parts, 45 parts, aluminum oxide, peroxidized t-butyl perbenzoate 2 parts, Diethyl Aniline 2 parts, Resorcinol 3.6 parts, carbon fiber and aramid fiber, trevira.
Embodiment ten
The insulating supporting beam of the present embodiment comprises crossbeam, upper supporting beam and lower support beam, is provided with an inclination and is connected to upper division board on crossbeam between upper supporting beam, is provided with an inclination and is connected to lower division board on crossbeam between lower support beam; The height of upper division board and thickness are less than support depth of beam and thickness respectively, and height and the thickness of lower division board are less than lower support depth of beam and thickness respectively; Upper division board and lower division board are symmetrical arranged about crossbeam; Described crossbeam, upper supporting beam, lower support beam, upper division board and the material component of lower division board and the parts by weight of each component are:
Vinyl ester type unsaturated polyester resin 32 parts, 35 parts, magnesium oxide, peroxidized t-butyl perbenzoate 6 parts, dimethyl-p-toluidine 1.8 parts, para benzoquinone 2.5 parts, aramid fiber 20 parts.
Embodiment 11
The insulating supporting beam of the present embodiment comprises crossbeam, the top of described crossbeam is provided with the upper supporting beam be symmetrically arranged, the below of described crossbeam is provided with the lower support beam be symmetrically arranged, a upper division board for increasing creepage distance between described upper supporting beam, is provided with a lower division board for increasing creepage distance between described lower support beam; Upper division board is located on crossbeam with lower division board is all vertical; The height of upper division board and thickness are less than support depth of beam and thickness respectively, and height and the thickness of lower division board are less than lower support depth of beam and thickness respectively; Described crossbeam, upper supporting beam, lower support beam, upper division board and the material component of lower division board and the parts by weight of each component are:
Bisphenol a unsaturated polyester resin 36 parts, magnesium hydroxide 40 parts, 1,1-bis-(t-butyl peroxy) hexanaphthene 1.5 parts, cobalt naphthenate 2.8 parts, 2,5-ditert-butylhydro quinone 1.3 parts, 21 parts, carbon fiber.
Embodiment 12
The insulating supporting beam of the present embodiment comprises crossbeam, the top of described crossbeam is provided with the upper supporting beam be symmetrically arranged, the below of described crossbeam is provided with the lower support beam be symmetrically arranged, a upper division board for increasing creepage distance between described upper supporting beam, is provided with a lower division board for increasing creepage distance between described lower support beam; Upper division board is located on crossbeam with lower division board is all vertical; The height of upper division board and thickness are less than support depth of beam and thickness respectively, and height and the thickness of lower division board are less than lower support depth of beam and thickness respectively; Described crossbeam, upper supporting beam, lower support beam, upper division board and the material component of lower division board and the parts by weight of each component are:
Terephthalic unsaturated polyester resin 28 parts, zirconium white 55 parts, peroxidized t-butyl perbenzoate 5.6 parts, xylidine 3.4 parts, Resorcinol 3 parts, aramid fiber 14 parts.
Embodiment 13
The insulating supporting beam of the present embodiment comprises crossbeam, the top of described crossbeam is provided with the upper supporting beam be symmetrically arranged, the below of described crossbeam is provided with the lower support beam be symmetrically arranged, a upper division board for increasing creepage distance between described upper supporting beam, is provided with a lower division board for increasing creepage distance between described lower support beam; Upper division board is located on crossbeam with lower division board is all vertical; The height of upper division board and thickness are less than support depth of beam and thickness respectively, and height and the thickness of lower division board are less than lower support depth of beam and thickness respectively; Described crossbeam, upper supporting beam, lower support beam, upper division board and the material component of lower division board and the parts by weight of each component are:
Metaphenylene unsaturated polyester resin 29 parts, weisspiessglanz 35 parts, cyclohexanone peroxide 7 parts, xylidine 1.3 parts, tertiarybutylhydroquinone 0.8 part, 13 parts, glass fibre.
Embodiment 14
The insulating supporting beam of the present embodiment comprises crossbeam, the top of described crossbeam is provided with the upper supporting beam be symmetrically arranged, the below of described crossbeam is provided with the lower support beam be symmetrically arranged, a upper division board for increasing creepage distance between described upper supporting beam, is provided with a lower division board for increasing creepage distance between described lower support beam; Upper division board is located on crossbeam with lower division board is all vertical; The height of upper division board and thickness are less than support depth of beam and thickness respectively, and height and the thickness of lower division board are less than lower support depth of beam and thickness respectively; Described crossbeam, upper supporting beam, lower support beam, upper division board and the material component of lower division board and the parts by weight of each component are:
Unsaturated polyester resin 23 parts, talcum powder 40 parts, methylethyl ketone peroxide 5 parts, cobalt octoate 2.4 parts, para benzoquinone 3 parts, glassmat 24 parts.
Embodiment 15
The insulating supporting beam of the present embodiment comprises crossbeam, the top of described crossbeam is provided with the upper supporting beam be symmetrically arranged, the below of described crossbeam is provided with the lower support beam be symmetrically arranged, a upper division board for increasing creepage distance between described upper supporting beam, is provided with a lower division board for increasing creepage distance between described lower support beam; Upper division board is located on crossbeam with lower division board is all vertical; The height of upper division board and thickness are less than support depth of beam and thickness respectively, and height and the thickness of lower division board are less than lower support depth of beam and thickness respectively; Described crossbeam, upper supporting beam, lower support beam, upper division board and the material component of lower division board and the parts by weight of each component are:
Bisphenol a unsaturated polyester resin 37 parts, calcium carbonate and Aluminum calcium silicate 30 parts, benzoyl peroxide 0.5 part, cobalt octoate 0.8 part, methyl hydroquinone 2 parts, 27 parts, trevira.
Embodiment 16
The insulating supporting beam of the present embodiment comprises crossbeam, upper supporting beam and lower support beam, is provided with an inclination and is connected to upper division board on crossbeam between upper supporting beam, is provided with an inclination and is connected to lower division board on crossbeam between lower support beam; The height of upper division board and thickness are less than support depth of beam and thickness respectively, and height and the thickness of lower division board are less than lower support depth of beam and thickness respectively; Upper division board and lower division board are symmetrical arranged about crossbeam; Described crossbeam, upper supporting beam, lower support beam, upper division board and the material component of lower division board and the parts by weight of each component are:
Metaphenylene unsaturated polyester resin and terephthalic unsaturated polyester resin totally 40 parts, glass microballon and silicate microballon, china clay totally 36 parts, peroxidized t-butyl perbenzoate and 1,1-bis-(t-butyl peroxy) hexanaphthene totally 3 parts, cobalt octoate and xylidine totally 1.5 parts, Resorcinol and para benzoquinone totally 5 parts, glass fibre and glassmat totally 10 parts.
Insulating supporting beam provided by the invention, has light weight, flexural strength is high, elastic strength is high, feature that tensile strength is high, less material can be utilized just to meet the demand of bearing heavy lift, be convenient to reduce production cost.Less material can be utilized to realize bearing the ability of heavy lift, reduce production cost.Insulating supporting beam of the present invention is by mould compression moulding simultaneously, the length of insulating supporting beam can reach more than 5m, can be applicable to the insulating supporting use of large-scale or super-huge electrical equipment, this is that existing insulating supporting beam (no matter its raw material) all can not reach this length.
Insulating supporting beam of the present invention has excellent heatproof combustion resistance, and flame retardant resistance reaches FV0 level, improves work-ing life of the present invention and usage safety performance.After having excellent proof voltage, resistance to electric arc, good insulation preformance, long-time immersion, resistance change is little simultaneously, can be applicable to the electrical equipment insulating supporting of high pressure and extra-high voltage.
Insulating supporting beam of the present invention, by mould compression moulding, can be produced the insulating supporting beam of different shapes, size, meet the insulating supporting demand of various electrical equipment.
Insulating supporting beam of the present invention, by arranging upper division board and/or lower division board can increase creepage distance, can be applicable to the occasion of high pressure and extra-high voltage.
Claims (9)
1. an insulating supporting beam, it is characterized in that, comprise crossbeam, the top of described crossbeam is provided with the upper supporting beam be symmetrically arranged, the below of described crossbeam is provided with the lower support beam be symmetrically arranged, and is provided with at least one for increasing being provided with at least one between the upper division board of creepage distance and/or described lower support beam for increasing the lower division board of creepage distance between described upper supporting beam; Described crossbeam, upper supporting beam, lower support beam, upper division board and the material component of lower division board and the parts by weight of each component are:
Unsaturated polyester resin 20-40 parts;
Filler 30-60 parts;
Initiator 0.5-10 parts;
Promotor 0.1-5 parts;
Stopper 0.1-5 parts;
Strongthener 10-30 parts.
2. insulating supporting beam according to claim 1, is characterized in that: described unsaturated polyester resin is one or more the combination in adjacent benzene-type unsaturated polyester resin, metaphenylene unsaturated polyester resin, terephthalic unsaturated polyester resin, Bisphenol a unsaturated polyester resin or vinyl ester type unsaturated polyester resin.
3. insulating supporting beam according to claim 1, is characterized in that: described filler is one or more the combination in calcium carbonate, Aluminum calcium silicate, barium sulfate, miemite, china clay, glass microballon, silicate microballon, aluminium hydroxide, aluminum oxide, magnesium oxide, magnesium hydroxide, zirconium white, weisspiessglanz or talcum powder.
4. insulating supporting beam according to claim 1, it is characterized in that: described initiator is one or more the combination in benzoyl peroxide, methylethyl ketone peroxide, cyclohexanone peroxide, peroxidized t-butyl perbenzoate or 1,1-bis-(t-butyl peroxy) hexanaphthene.
5. insulating supporting beam according to claim 1, is characterized in that: described promotor is one or more the combination in cobalt naphthenate, cobalt octoate, xylidine, Diethyl Aniline or dimethyl-p-toluidine.
6. insulating supporting beam according to claim 1, is characterized in that: described stopper is one or more the combination in Resorcinol, para benzoquinone, tertiarybutylhydroquinone, 2,5-ditert-butylhydro quinones or methyl hydroquinone.
7. insulating supporting beam according to claim 1, is characterized in that: described strongthener is one or more the combination in glass fibre/felt, carbon fiber, aramid fiber, trevira or polyacrylonitrile fibre.
8., according to the preparation method of the arbitrary described insulating supporting beam of claim 1-7, comprise the following steps:
(1) prepare burden: unsaturated polyester resin, filler and auxiliary agent are prepared burden according to above-mentioned parts by weight;
(2) stir: the batching in (1) is stirred in stirring mechanism, obtained resin slip;
(3) infiltrate: utilize resin slip to infiltrate strongthener at plate material forming machine, obtain the laminboard layer of resin slip-strongthener-resin slip, make resin slip soak into strongthener and mix;
(4) rolling: rolling in sheet stock unit;
(5) maturation process: carry out maturation process in sheet stock unit, the temperature of described maturation process is 15 °-40 °, and the time of maturation process is 5-48 hours;
(6) compression moulding: by mould compression moulding in thermocompressor.
9. the preparation method of insulating supporting beam according to claim 8, is characterized in that: described stirring mechanism is high speed dispersor, the temperature stirred in high speed dispersor is 20 DEG C-30 DEG C, and the time of stirring is 20-50 minute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310382094.9A CN103497493B (en) | 2013-08-28 | 2013-08-28 | Insulation support beam and its preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310382094.9A CN103497493B (en) | 2013-08-28 | 2013-08-28 | Insulation support beam and its preparation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103497493A CN103497493A (en) | 2014-01-08 |
| CN103497493B true CN103497493B (en) | 2015-06-03 |
Family
ID=49862759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310382094.9A Active CN103497493B (en) | 2013-08-28 | 2013-08-28 | Insulation support beam and its preparation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103497493B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103991565B (en) * | 2014-04-25 | 2015-11-18 | 浙江一舟电子科技股份有限公司 | A kind of plane rolling covered wire frame |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102147034A (en) * | 2010-02-09 | 2011-08-10 | 李爱军 | Manufacture method of cable holder stand column |
| CN102634182A (en) * | 2012-04-13 | 2012-08-15 | 青岛润兴高分子材料有限公司 | Flame-retarding SMC (sheet mould compound) insulating plate with high strength and preparation method thereof |
| CN102848651A (en) * | 2012-09-04 | 2013-01-02 | 江苏兆鋆新材料科技有限公司 | Flaky mold plastic with excellent electrical insulation, and preparation method thereof |
-
2013
- 2013-08-28 CN CN201310382094.9A patent/CN103497493B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102147034A (en) * | 2010-02-09 | 2011-08-10 | 李爱军 | Manufacture method of cable holder stand column |
| CN102634182A (en) * | 2012-04-13 | 2012-08-15 | 青岛润兴高分子材料有限公司 | Flame-retarding SMC (sheet mould compound) insulating plate with high strength and preparation method thereof |
| CN102848651A (en) * | 2012-09-04 | 2013-01-02 | 江苏兆鋆新材料科技有限公司 | Flaky mold plastic with excellent electrical insulation, and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103497493A (en) | 2014-01-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101696320B (en) | Continuously-directional glass fiber reinforcement of unsaturated polyester sheet molding compound | |
| CN103408903B (en) | A kind of high-strength insulating supporting beam and preparation method thereof | |
| KR101944463B1 (en) | Fire Retardant FRP Panel Composition Made of Complex Fiber Material Manufactured by Drawing with Binder Having Epoxy Resin and Acid Anhydride-Hardener and Constructing Methods Using Thereof | |
| CN105482399A (en) | Unsaturated polyester resin fiber reinforced sheet-shape molding compound and preparation method thereof | |
| US4954304A (en) | Process for producing prepreg and laminated sheet | |
| CN101935441B (en) | Glass steel curing agent composition, glass steel made therefrom and transformer platform | |
| CN102942839B (en) | A kind of nano-filler modified solvent-free insulated paint and preparation method | |
| CN106531437A (en) | Fabrication method of insulation cylinder for transformer | |
| CN103554860B (en) | A kind of decorative wall brick and preparation method thereof | |
| CN103497493B (en) | Insulation support beam and its preparation method | |
| CN101845913A (en) | Composite material electric pole and preparation method thereof | |
| CN103410290A (en) | New applications of sheet molding compound (SMC) material | |
| CN109971138A (en) | A kind of selfreparing PCBT composite material and preparation method | |
| CN106433453A (en) | Ultraviolet-moisture dual-curing solvent-free anti-pollution flashover coating | |
| US2857932A (en) | Composite high strength tubular structure | |
| CN105176420A (en) | Planar sealing anaerobic adhesive and preparation method thereof | |
| KR101986112B1 (en) | Fire Retardant FRP Panel Composition Made of Complex Fiber Material Manufactured by Drawing with Binder Having Epoxy Resin and Acid Anhydride-Hardener and Constructing Methods Using Thereof | |
| CN104262920A (en) | Fiber-reinforced resin solar bracket and preparation method thereof | |
| CN115386195A (en) | Insulating layer and molded structural part for large hydroelectric power generation equipment and preparation method thereof | |
| CN114015349B (en) | Enameled wire anti-aging coating | |
| CN110746746A (en) | Medium-density aramid fiber paper laminated board and preparation method thereof | |
| CN105034490A (en) | High-flame-retardant and anti-corrosion glass fiber cloth | |
| CN203465989U (en) | Insulating support beam | |
| CN116589900B (en) | High-temperature-resistant water-based insulating paint and preparation method thereof | |
| CN115011074B (en) | Epoxy resin composition, preparation method and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |