CN105448436A - Rod-shaped epoxy glass fiber core porcelain composite insulator for electrified railway catenaries - Google Patents
Rod-shaped epoxy glass fiber core porcelain composite insulator for electrified railway catenaries Download PDFInfo
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- CN105448436A CN105448436A CN201510972611.7A CN201510972611A CN105448436A CN 105448436 A CN105448436 A CN 105448436A CN 201510972611 A CN201510972611 A CN 201510972611A CN 105448436 A CN105448436 A CN 105448436A
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- insulator
- metal cap
- overcoat
- glass fiber
- epoxy glass
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/32—Single insulators consisting of two or more dissimilar insulating bodies
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/50—Insulators or insulating bodies characterised by their form with surfaces specially treated for preserving insulating properties, e.g. for protection against moisture, dirt, or the like
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Abstract
The invention discloses a rod-shaped epoxy glass fiber core porcelain composite insulator for electrified railway catenaries. The rod-shaped epoxy glass fiber core porcelain composite insulator for electrified railway catenaries comprises an insulator body, an upper metal cap and a lower metal cap, wherein the insulator body comprises an insulator body core, an insulator body jacket and a silicone rubber umbrella skirt; the insulator body jacket is made of a porcelain material; the insulator body core is arranged in the insulator body jacket; the insulator body core and the insulator body jacket are connected through insulating paste to form the solid insulator body; the silicone rubber umbrella skirt is arranged on the outer surface of the insulator body jacket through a hot pressing or injection manner. Therefore, the rod-shaped epoxy glass fiber core porcelain composite insulator for electrified railway catenaries has the advantages of being lighter in weight, more convenient to carry and install and safer to use.
Description
Technical field
The present invention relates to a kind of electrification railway contact net clavate epoxy glass fiber core porcelain composite insulator.
Background technology
In prior art, large in order to solve traditional true procelain insulator volume, Heavy Weight, be unfavorable for the problem of installing, Chinese patent literature CN101894638B provides a kind of high voltage generating station, electrical network and electrification railway contact net composite rod insulator, its concrete structure is, containing upper, lower metal flange and insulator body, described insulator body two ends are respectively by adhesive material and upper, lower metal flange is connected, described insulator body comprises body insulation and inner core insulator, described body insulation adopts high tension insulator material integral production shaping, inner core insulator coupling is arranged in casing insulation intracoelomic cavity, described inner core insulator adopts organic insulating material to make, combined closely by insulating cement solidification and body insulation internal chamber wall, form the insulator body of solid state.But, above-mentioned this composite rod insulator of the prior art, also there is following defect, first, the easy covered with dust of high tension insulator material that described body insulation adopts, accumulation spot, antifouling property is poor, in the past for a long time, just form pollution layer, and once run into sleety weather, electrolyte in pollution layer can decompose and fully be dissolved in water, and then form conductive path at insulator surface, the dielectric strength of insulator is reduced greatly, just insulator contamination can be caused under normal operating voltage, thus easily cause a series of line fault, so must regularly clean to reduce pollution flashover probability of malfunction, the second, because described body insulation adopts high tension insulator material integral production shaping, although the amount of overstating alleviates to some extent relative to true procelain insulator, but overall weight is still heavier, carries and install still to there is larger difficulty.
Summary of the invention
In order to overcome the problems referred to above, the present invention to society provide lighter, the convenient carrying of a kind of weight and installation, use safer electrification railway contact net clavate epoxy glass fiber core porcelain composite insulator.
Technical scheme of the present invention is: provide a kind of electrification railway contact net clavate epoxy glass fiber core porcelain composite insulator, comprise insulator body, upper metal cap and lower metal cap, the insulator overcoat that described insulator body comprises insulator inner core and makes with ceramic material, described insulator inner core is located in described insulator overcoat, and by insulating cement, both are formed the insulator body of solid state, also comprise silicon rubber umbrella skirt, described silicon rubber umbrella skirt is located on the outer surface of described insulator overcoat by the mode of hot pressing or injection.
As improvement of the present invention, the two ends of described insulator inner core protrude from the upper and lower plane of described insulator overcoat respectively, described upper metal cap and lower metal cap are fixed on the outstanding two ends of described insulator inner core respectively by the mode crimped, and the end of close insulator overcoat one end of described upper and lower metal cap is touched with the upper and lower flat face of described insulator overcoat respectively.
As improvement of the present invention, the two ends of described silicon rubber umbrella skirt extend respectively vertically, in the contact position of upper metal cap and described insulator overcoat is wrapped in by the elongated end of the formation respectively and contact position of lower metal cap and described insulator overcoat is wrapped in.
As improvement of the present invention, two elongated ends radially direction, center of circle extension respectively of described silicon rubber umbrella skirt, until contact with described upper metal cap and lower metal cap.
As improvement of the present invention, also comprise packing ring, between the upper plane that described packing ring is located at described upper metal cap and described insulator overcoat and/or between the lower plane being located at described lower metal cap and described insulator overcoat.
As improvement of the present invention, described packing ring adopts high-temperature silicon disulfide rubber to make.
As improvement of the present invention, the external diameter of close insulator overcoat one end of described upper and lower metal cap is equal with the external diameter of insulator overcoat.
As improvement of the present invention, the umbrella of described full skirt is the alternate setting of size.
As improvement of the present invention, described insulator inner core is epoxy glass fiber leading-drawing rod.
The present invention is owing to also comprising silicon rubber umbrella skirt, and described silicon rubber umbrella skirt is located on the outer surface of described insulator overcoat by the mode of hot pressing or injection; Full skirt of the present invention is that silastic material makes, the first, and silastic material, for ceramic material, has excellent hydrophobicity and migration of hydrophobicity, therefore, it is possible to effectively reduce the failure rate of the pollution flashover fault that sleety weather occurs; The second, different from porcelain insulator lower surface umbrella rib formula structure, the structure of silicon rubber umbrella skirt and shape are not easily adsorbed and are accumulated filth, thus do not need to clean contamination, are conducive to the operation maintenance of circuit; 3rd, silastic material density for ceramic material is less, light weight, is very easily like this in transport and installation.Therefore, the present invention have lighter, the convenient carrying of weight and installation, effectively can reduce pollution flashover, use safer advantage.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of the present invention.
Fig. 2 is the structural representation of the insulator overcoat in Fig. 1.
Fig. 3 is the structural representation of the silicon rubber umbrella skirt in Fig. 1.
Fig. 4 is the structural representation of the upper metal cap in Fig. 1.
Fig. 5 is the structural representation of the lower metal cap in Fig. 1.
Fig. 6 is the structural representation of the packing ring in Fig. 1.
Fig. 7 is the structural representation of the second embodiment in type of the present invention.
Embodiment
In describing the invention, it will be appreciated that, orientation or the position relationship of the instruction such as " " center ", " on ", D score, "front", "rear", "left", "right" in term be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " connection ", " being connected " should be interpreted broadly, and such as, can be fixedly connected with, and also can be that dismounting connects, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also can be indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term can be understood at concrete meaning of the present invention.In addition, in describing the invention, except as otherwise noted, the implication of " multiple ", " some " is two or more.
Refer to Fig. 1 to Fig. 6, what Fig. 1 to Fig. 6 disclosed is a kind of embodiment of electrification railway contact net clavate epoxy glass fiber core porcelain composite insulator, a kind of electrification railway contact net clavate epoxy glass fiber core porcelain composite insulator, comprise insulator body 1, upper metal cap 21 and lower metal cap 22, the insulator overcoat 12 that described insulator body 1 comprises insulator inner core 11 and makes with ceramic material; Described insulator inner core 11 is located in described insulator overcoat 12, and by insulating cement 9, both are formed the insulator body 1 of solid state, in the present invention, also comprise silicon rubber umbrella skirt 4, described silicon rubber umbrella skirt 4 is located on the outer surface of described insulator overcoat 12 by the mode of hot pressing or injection, described silicon rubber umbrella skirt 4 when not increasing insulator overcoat 12, can increase creepage distance effectively; In the present invention, described silicon rubber umbrella skirt 4 has excellent hydrophobicity and migration of hydrophobicity, and light weight, therefore uses not only antifouling work effective but also very convenient; In the present invention, in order to make anti-fouling effect better, the umbrella 40 of described full skirt 4 is the alternate settings of size, and in the present embodiment, is small one and large one alternate setting.
In the present invention, in order to make insulator body 1 entirety of the present invention more firm, and not easy fracture in use procedure, to collapse watt, the two ends 111 of described insulator inner core 11, 112 upper plane 121 and the lower planes 122 protruding from described insulator overcoat 12 respectively, described upper metal cap 21 and lower metal cap 22 are fixed on the outstanding two ends 111 of described insulator inner core 11 respectively by the mode crimped, on 112, and the end 211 of close insulator overcoat 12 one end of described upper metal cap 21 and lower metal cap 22, 221 contact with the upper plane 121 of described insulator overcoat 12 and lower plane 122 respectively, in the present invention, due to upper metal cap 21 be that mode by crimping is fixing between lower metal cap 22 with described insulator overcoat 12, therefore connect closely, relative to the mode utilizing cement glue fixing of the prior art, the present invention has the advantage of the impact not being subject to temperature, and, no matter the weather of sleety weather or sweltering heat, described upper metal cap 21 and can both closely and contact securely between lower metal cap 22 with described insulator overcoat 12, in addition, in terms of existing technologies, the mode that crimping is fixed can also bear larger active force, in addition, the present invention in use, when described upper metal cap 21 and lower metal cap 22 are stressed respectively, described upper metal cap 21 and lower metal cap 22 with time in electrification railway contact net, in use procedure when described upper metal cap 21 and the stressed F1 of lower metal cap 22 difference, due to the end 211 of close insulator overcoat 12 one end of described upper metal cap 21 and lower metal cap 22, 221 contact with the upper plane 121 of described insulator overcoat 12 and lower plane 122 respectively, therefore described upper metal cap 21 and the active force of lower metal cap 22 to described insulator overcoat 12 be pressure F2(as shown in Figure 1), and described insulator overcoat 12 is made up of ceramic material, there is very strong crushing resistance, therefore described insulator overcoat 12 is just unlikely to rupture because of the active force by upper metal cap 21 and lower metal cap 22, the useful life of described like this insulator overcoat 12 just can extend, and use can be safer, and due to described upper metal cap 21 be that mode by crimping is connected between lower metal cap 22 with described insulator inner core 11, described upper metal cap 21 and the active force of lower metal cap 22 to described insulator inner core 11 are torsion, described insulator inner core 11 is that resistance to torsion is very strong, therefore described insulator inner core 11 is also unlikely to be twisted off, like this, just very firm of the connection between each several part of described insulator body 1.Therefore, the present invention have insulator body not easy fracture, upper and lower metal cap can be fixed more securely, connect more closely and firmly between each several part, the advantage of longer service life.
In the present invention, in order to make the contact position of the contact position of described upper metal cap 21 and described insulator overcoat 12 and lower metal cap 22 and described insulator overcoat 12 can more closely and can to prevent extraneous dust and rainwater from entering insulator body 1 inner, the two ends 41 of described silicon rubber umbrella skirt 4,42 extend respectively vertically, in in upper metal cap 21 and the contact position of described insulator overcoat 12 are wrapped in by elongated end 43,44 respectively that formed and the contact position of lower metal cap 22 and described insulator overcoat 12 is wrapped in.
Further, in the present invention, two elongated ends 43 of described silicon rubber umbrella skirt 4,44 difference radially direction, the center of circle extend (as shown in Figure 2), until contact with described upper metal cap 21 and lower metal cap 22 respectively, this makes it possible to upper metal cap 21 and lower metal cap 22 more complete and wrap closely with the contact position of described insulator overcoat 12.
In the present invention, in order to make described insulator overcoat 12 and described upper and lower metal cap 21, better tightness between 22, thus it is inner effectively to prevent the rainwater of sleety weather from entering into insulator body 1, also comprise packing ring 3, the present embodiment comprises two packing rings 3, the first packing ring 31 and the second packing ring 32 respectively, described first packing ring 31 is located between the upper plane 121 of described upper metal cap 21 and described insulator overcoat 12, and described second packing ring 32 is located between the lower plane 122 of described lower metal cap 22 and described insulator overcoat 12, in the present embodiment, can be fixed more securely to make described packing ring 3, described first packing ring 31 is provided with the first bulge loop 311, second bulge loop 312 and the 3rd bulge loop 313, described 3rd bulge loop 313 is located at the one side of the close described insulator overcoat 12 of described first packing ring 31 and contacts with the end of described insulating cement 9, described first bulge loop 311 and the second bulge loop 312 are located at the one side away from described insulator overcoat 12, described upper metal cap 21 be respectively equipped with the first groove 212 and the second groove (not shown in FIG.) with the corresponding position of the first bulge loop 311 and the second bulge loop 312, during installation, described first bulge loop 311 and the second bulge loop 312 lay respectively in the first groove 212 and the second groove, described like this first packing ring 31 and then fitting tightly between described upper metal cap 21 and described insulator overcoat 12, described second packing ring 32 is provided with the 4th bulge loop 321, 5th bulge loop 312 and the 6th bulge loop 323, described 6th bulge loop 323 is located at the one side of the close described insulator overcoat 12 of described second packing ring 32 and contacts with the end of described insulating cement 9, described 4th bulge loop 321 and the 5th bulge loop 312 are located at the one side away from described insulator overcoat 12, the position corresponding with the 4th bulge loop 321 and the 5th bulge loop 312 of described lower metal cap 22 is respectively equipped with the 3rd groove 222 and the 4th groove (not shown in FIG.), during installation, described 4th bulge loop 321 and the 5th bulge loop 312 lay respectively in the 3rd groove 222 and the 4th groove, described like this second packing ring 32 and then fitting tightly between described lower metal cap 22 and described insulator overcoat 12, in addition, due to described upper metal cap 21 and described lower metal cap 22 be metal material make, and the insulator overcoat 12 contacted with it is made by ceramic material, therefore, in the present invention, described first packing ring 31 and the second packing ring 32, except Packed effect, also play very important cushioning effect, thus prevent described upper metal cap 21 from directly contacting with described insulator overcoat 12 with described lower metal cap 22.
In the present invention, preferably, described packing ring 3 adopts high-temperature silicon disulfide rubber to make.
In the present invention, preferably, the external diameter of close insulator overcoat 12 one end of described upper metal cap 21 and lower metal cap 22 is equal with the external diameter of insulator overcoat 12, the benefit of such setting is, in use procedure of the present invention, when forcing in described upper metal cap 21 and lower metal cap 22, described upper metal cap 21 can be made and between described lower metal cap 22 and described insulating coating 12.
In the present invention, preferably, described insulator inner core 11 is epoxy glass fiber leading-drawing rods.
Below for Fig. 1, concrete manufacturing process of the present invention and use are further described:
The present invention is when making, first upper metal cap 21 is crimped fixing by press-connection machine with insulator inner core 11, then silicon rubber is smeared in the end 211 of close insulator overcoat 12 one end of upper metal cap 21, preferably, should smear evenly as far as possible, then the first bulge loop 311 of described first packing ring 31 and the second bulge loop 312 is made to correspond respectively to described first groove 212 and the second groove, with this, described first packing ring 31 is tentatively fixed on described upper metal cap 21, and then at another surface smear silicon rubber of described first packing ring 31, and described insulator overcoat 12 is contacted with it and fixes, then insulating cement is filled between described insulator overcoat 12 and insulator inner core 11, it is made to form solid insulator body 1, and then smear silicon rubber in the other end end 112 of insulator overcoat 12, and the second packing ring 32 is fixed on the other end end 112 of insulator overcoat 12, again lower metal cap 22 is crimped fixing by press-connection machine with the other end 112 of insulator inner core 11, finally by the mode of hot pressing or injection, silicon rubber umbrella skirt 4 is set at the outer surface of described insulator overcoat 12 again, this completes the making of insulator body 1.
The present invention can also be set to the second execution mode (as shown in Figure 7), and the second execution mode is identical substantially with the first execution mode, and its difference is that insulator is double insulation.
Claims (9)
1. an electrification railway contact net clavate epoxy glass fiber core porcelain composite insulator, comprise insulator body (1), upper metal cap (21) and lower metal cap (22), the insulator overcoat (12) that described insulator body (1) comprises insulator inner core (11) and makes with ceramic material, described insulator inner core (11) is located in described insulator overcoat (12), and by insulating cement (9), both are formed the insulator body (1) of solid state, it is characterized in that, also comprise silicon rubber umbrella skirt (4), described silicon rubber umbrella skirt (4) is located on the outer surface of described insulator overcoat (12) by the mode of hot pressing or injection.
2. electrification railway contact net clavate epoxy glass fiber core porcelain composite insulator according to claim 1, it is characterized in that, the two ends (111 of described insulator inner core (11), 112) the upper of described insulator overcoat (12) is protruded from respectively, lower plane (121, 122), described upper metal cap (21) and lower metal cap (22) are fixed on the outstanding two ends (111 of described insulator inner core (11) respectively by the mode crimped, 112) on, and described on, lower metal cap (21, 22) end (211 of close insulator overcoat (12) one end, 221) upper respectively with described insulator overcoat (12), lower plane (121, 122) contact.
3. electrification railway contact net clavate epoxy glass fiber core porcelain composite insulator according to claim 2, it is characterized in that, the two ends (41 of described silicon rubber umbrella skirt (4), 42) extend vertically respectively, in in upper metal cap (21) and the contact position of described insulator overcoat (12) are wrapped in by elongated end (43,44) respectively that formed and the contact position of lower metal cap (22) and described insulator overcoat (12) is wrapped in.
4. electrification railway contact net clavate epoxy glass fiber core porcelain composite insulator according to claim 3, it is characterized in that, two elongated ends (43 of described silicon rubber umbrella skirt (4), 44) radially direction, the center of circle extends respectively, until contact with described upper metal cap (21) and lower metal cap (22) respectively.
5. the clavate epoxy glass fiber core porcelain composite insulator of the electrification railway contact net according to claim 2,3 or 4, it is characterized in that: also comprise packing ring (3), described packing ring (3) is located between described upper metal cap (21) and the upper plane (121) of described insulator overcoat (12) and/or is located between described lower metal cap (22) and the lower plane (122) of described insulator overcoat (12).
6. electrification railway contact net clavate epoxy glass fiber core porcelain composite insulator according to claim 5, is characterized in that: described packing ring (3) adopts high-temperature silicon disulfide rubber to make.
7. the clavate epoxy glass fiber core porcelain composite insulator of the electrification railway contact net according to claim 1,2,3 or 4, it is characterized in that: the external diameter of close insulator overcoat (12) one end of described upper and lower metal cap (21,22) is equal with the external diameter of insulator overcoat (12).
8. the clavate epoxy glass fiber core porcelain composite insulator of the electrification railway contact net according to claim 1,2,3 or 4, is characterized in that: the umbrella (40) of described full skirt (4) is the alternate setting of size.
9. the clavate epoxy glass fiber core porcelain composite insulator of the electrification railway contact net according to claim 1,2,3 or 4, is characterized in that: described insulator inner core (11) is epoxy glass fiber leading-drawing rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510972611.7A CN105448436A (en) | 2015-12-23 | 2015-12-23 | Rod-shaped epoxy glass fiber core porcelain composite insulator for electrified railway catenaries |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510972611.7A CN105448436A (en) | 2015-12-23 | 2015-12-23 | Rod-shaped epoxy glass fiber core porcelain composite insulator for electrified railway catenaries |
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| Publication Number | Publication Date |
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| CN105448436A true CN105448436A (en) | 2016-03-30 |
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|---|---|---|---|
| CN201510972611.7A Pending CN105448436A (en) | 2015-12-23 | 2015-12-23 | Rod-shaped epoxy glass fiber core porcelain composite insulator for electrified railway catenaries |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107134327A (en) * | 2017-04-07 | 2017-09-05 | 萍乡强盛电瓷制造有限公司 | A kind of antifouling wear-resisting high-strength degree insulator and preparation method thereof |
| CN107680755A (en) * | 2017-09-18 | 2018-02-09 | 西安唯实输配电技术有限公司 | Railway contact line high intensity bar-shaped composite insulator under extreme meteorological condition |
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| CN1296269A (en) * | 2000-10-11 | 2001-05-23 | 上海长利绝缘材料有限公司 | Novel single boundary all-closed high-pressure synthetic isolator and making method thereof |
| CN201051430Y (en) * | 2007-06-18 | 2008-04-23 | 温州益坤电气有限公司 | Compound pole insulator for high-speed power engine |
| CN201256039Y (en) * | 2008-08-12 | 2009-06-10 | 黎琛 | Insulator component for power transmission and conversion capacitor |
| CN202473424U (en) * | 2012-02-14 | 2012-10-03 | 山东齐林电力设备有限公司 | Claviform suspension-type composite insulator special for high-speed rail line |
| CN203521061U (en) * | 2013-10-12 | 2014-04-02 | 河南省德立泰高压电瓷电器有限公司 | Novel rod-shaped suspension composite porcelain insulator |
| CN205282199U (en) * | 2015-12-23 | 2016-06-01 | 深圳市银星绝缘子电气化铁路器材有限公司 | Clavate epoxy glass fiber core porcelain composite insulator for electronic railway connecting net |
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2015
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1296269A (en) * | 2000-10-11 | 2001-05-23 | 上海长利绝缘材料有限公司 | Novel single boundary all-closed high-pressure synthetic isolator and making method thereof |
| CN201051430Y (en) * | 2007-06-18 | 2008-04-23 | 温州益坤电气有限公司 | Compound pole insulator for high-speed power engine |
| CN201256039Y (en) * | 2008-08-12 | 2009-06-10 | 黎琛 | Insulator component for power transmission and conversion capacitor |
| CN202473424U (en) * | 2012-02-14 | 2012-10-03 | 山东齐林电力设备有限公司 | Claviform suspension-type composite insulator special for high-speed rail line |
| CN203521061U (en) * | 2013-10-12 | 2014-04-02 | 河南省德立泰高压电瓷电器有限公司 | Novel rod-shaped suspension composite porcelain insulator |
| CN205282199U (en) * | 2015-12-23 | 2016-06-01 | 深圳市银星绝缘子电气化铁路器材有限公司 | Clavate epoxy glass fiber core porcelain composite insulator for electronic railway connecting net |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107134327A (en) * | 2017-04-07 | 2017-09-05 | 萍乡强盛电瓷制造有限公司 | A kind of antifouling wear-resisting high-strength degree insulator and preparation method thereof |
| CN107680755A (en) * | 2017-09-18 | 2018-02-09 | 西安唯实输配电技术有限公司 | Railway contact line high intensity bar-shaped composite insulator under extreme meteorological condition |
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Application publication date: 20160330 |