CN102420390A - Three-station solid insulated full-sealed switch grounding pole device - Google Patents
Three-station solid insulated full-sealed switch grounding pole device Download PDFInfo
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- CN102420390A CN102420390A CN2011104484749A CN201110448474A CN102420390A CN 102420390 A CN102420390 A CN 102420390A CN 2011104484749 A CN2011104484749 A CN 2011104484749A CN 201110448474 A CN201110448474 A CN 201110448474A CN 102420390 A CN102420390 A CN 102420390A
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- flange assembly
- insulating body
- contact
- open slot
- sealed switch
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Abstract
The invention discloses a three-station solid insulated full-sealed switch grounding pole device, and belongs to the technical field of grounding devices on power transmission and distribution switches. The device comprises an insulated body (1), the upper end of the insulated body is provided with an open slot, and insulating oil is filled in the open slot; a contact is fixedly sealed at the bottom of the insulated body, the upper end of the contact extends into the open slot, the lower end of the contact extends out of the bottom of the insulated body, and the upper end of the contact is provided with a connecting slot; a flange assembly is arranged on the insulated body, the middle part of the flange assembly is provided with a flange connected with the insulated body, and the lower part of the flange assembly extends into the open slot; and a grounding rod passes through the flange assembly, an oil seal is arranged between the upper part of the flange assembly and the grounding rod, a sealing cover is arranged on the flange assembly and the oil seal, the sealing cover is buckled with the outer surface of the flange assembly, a sealing ring is arranged between the flange assembly and the insulated body, and a plug inserted into the connecting slot is arranged at the lower end of the grounding rod. The three-station solid insulated full-sealed switch grounding pole device has small volume and good insulating property, and can reduce the manufacturing cost of a ring main unit.
Description
Technical field
The present invention relates to the earthing device on the power transmission and distribution switch, refer to a kind of hermetically sealed switch earthing rod of three station solid insulations device that is installed in the less power transmission and distribution switch ring main unit especially.
Background technology
Mostly the used earthing rod of existing three station solid insulation enclosed switch earthing mechanisms is the cylindrical plug that copper conductor is processed; It is through being grounded the divide-shut brake function of mechanism with deciliter action of plug-in strip parts, and it is bigger relatively that big with the outside plug-in strip of this kind earthing rod volume combines volume, and occupation space is big; Cause the volume of ring main unit to increase; Increased equipment cost, its insulation property are still waiting to improve, and are unfavorable for the miniaturization of pursuing now, the ring main unit demand for development of security reliability.
Summary of the invention
The object of the present invention is to provide the hermetically sealed switch earthing rod of a kind of three station solid insulations device, little, the good insulation preformance of its volume, safe and reliable, can reduce the manufacturing cost of ring main unit.
To achieve these goals, technical solution of the present invention is: the hermetically sealed switch earthing rod of a kind of three station solid insulations device, comprising the cylindricality insulating body that is fixed on the transmission case body; The upper end of said insulating body is provided with the open slot that stretches into the insulating body bottom, in the said open slot insulating oil is housed, and the bottom of said insulating body is sealed with contact; The upper end of said contact is stretched in the open slot, and the bottom surface of insulating body is stretched out in the lower end of said contact, and the upper end of said contact is provided with link slot; Be provided with the flange assembly above the said insulating body; The middle part of said flange assembly is provided with flange, and said flange is connected with the upper surface of insulating body, and the bottom of said flange assembly is stretched in the open slot; Vertically place earth brace on the said flange assembly; Between the top and earth brace of said flange assembly oil sealing is installed, is provided with seal cover above said flange assembly and the oil sealing, said seal cover is connected through buckle with the outer surface of flange assembly; Between said flange assembly and the insulating body sealing ring is installed, the lower end of said earth brace is provided with the plug that is connected with link slot.
The hermetically sealed switch earthing rod of the present invention's three station solid insulations device, wherein said link slot is up big and down small Rotary-table, the tapering of said link slot is 4～8 °.
The hermetically sealed switch earthing rod of the present invention's three station solid insulations device, the bottom surface of wherein said flange assembly is provided with annular groove, and the bottom of said annular groove extends to the middle part of flange assembly.
The hermetically sealed switch earthing rod of the present invention's three station solid insulations device, wherein said insulating body is processed by epoxy resin.
The hermetically sealed switch earthing rod of the present invention's three station solid insulations device; Wherein said contact and said open slot are eccentric and are provided with; Said contact is near the front side of insulating body; The front lower of said insulating body is provided with augments boss, is connected with reinforcement between the said top and insulating body of augmenting boss.
The hermetically sealed switch earthing rod of the present invention's three station solid insulations device; The left and right sides of wherein said insulating body be arranged with two with said transmission case body through bolted first boss, the front and back side of said insulating body be arranged with two with the flange assembly through bolted second boss.
After adopting such scheme; The hermetically sealed switch earthing rod of the present invention's three station solid insulations device is enclosed in contact by insulating body admittedly, and the flange assembly that is tightly connected on the insulating body forms, and contact is positioned at the inner chamber bottom of insulating body; A deciliter action realizes separating brake and closing function between earth brace and the contact on the flange assembly through being inserted in; Because deciliter action of this device is accomplished in the inner chamber of insulating body, the volume that makes the existing copper conductor earthing rod of volume ratio of earthing rod device of the present invention combine with plug-in strip reduces greatly, can reduce the manufacturing cost of ring main unit; And through in the open slot of insulating body, adorning insulating oil; Increase electrified body reaches safe enough between the electrified body under gate-dividing state insulation distance, the insulation property of earthing rod device are improved greatly, safe and reliable.
Description of drawings
Fig. 1 is the structural representation of the hermetically sealed switch earthing rod of the present invention's three station solid insulations device gate-dividing state;
Fig. 2 is the structural representation of the hermetically sealed switch earthing rod of the present invention's three station solid insulations device "on" position;
Fig. 3 is that the master between insulating body of the present invention and the contact looks cutaway view;
Fig. 4 is that cutaway view is looked on the right side between insulating body of the present invention and the contact;
Fig. 5 is the right view between insulating body of the present invention and the contact;
Fig. 6 is the vertical view between insulating body of the present invention and the contact.
Embodiment
See also illustrated in figures 1 and 2; The hermetically sealed switch earthing rod of the present invention's three station solid insulations device; Comprise being fixedly installed in the insulating body 1 that the epoxy resin on the transmission case body is processed, the upper end of insulating body 1 is processed with the open slot 3 that stretches into insulating body 1 bottom, and insulating oil 4 is housed in the open slot 3; It can make earthing mechanism under gate-dividing state, reach the insulation distance of safe enough between the electrified body, and its earthing rod insulation property of processing than existing copper conductor are better.The bottom of insulating body 1 is sealed with contact 2, and the upper end of contact 2 is stretched in the open slot 3, and the bottom of contact 2 is a sheet, and the bottom surface of insulating body 1 is stretched out in its lower end, and the upper end of contact 2 is processed with link slot 5.
In conjunction with Fig. 3, Fig. 4, Fig. 5 and shown in Figure 6; The left and right sides of insulating body 1 is symmetrily processed with two first boss 16; Two first boss 16 are connected with mechanism's fixed head of transmission case body through bolt, and the front and back side of insulating body 1 is symmetrily processed with two second boss 17.Be provided with flange assembly 6 above the insulating body 1; The middle part of flange assembly 6 is processed with flange 7; Flange 7 is connected fixing with the upper surface of two second boss 17 through bolt; The upper and lower part of flange assembly 6 is cylinder, and the bottom of flange assembly 6 is stretched in the open slot 3, and the bottom surface of flange assembly 6 is processed with the annular groove 13 that stretches into flange assembly 6 middle parts; Be provided with like this is in order to prevent that insulating oil 4 from closing a floodgate, overflowing in the open slot 3 during separating brake, can increase creepage distance of insulation on the other hand.The vertical earth brace 8 of planting is equipped with oil sealing 9 between the top and earth brace 8 of flange assembly 6 on the flange assembly 6.Be provided with seal cover 10 above flange assembly 6 and the oil sealing 9, seal cover 10 is connected through buckle with the outer surface of flange assembly 6, between flange assembly 6 and the insulating body 1 sealing ring 11 is installed.The lower end of earth brace 8 is processed with the plug 12 that is connected with link slot 5.For link slot 5 is combined when closing a floodgate closely with plug 12, link slot 5 is designed to up big and down small Rotary-table, the tapering of link slot 5 is 4～8 °.
Because the inner-cavity structure of ring main unit restriction; Contact 2 is eccentric with open slot 3 and is provided with; Be the whole decentraction of contact 2 and earthing rod device, contact 2 is enclosed in contact 2 in the insulating body 1 in order to reach near the front side of insulating body 1 fully admittedly; Therefore be processed with in the front lower of insulating body 1 and augment boss 14, augment between the top and insulating body 1 of boss 14 and be connected with reinforcement 15.With reinforced insulation body 1 and the intensity of augmenting boss 14.
In conjunction with shown in Figure 5; When the hermetically sealed switch earthing rod of the present invention's three station solid insulations device separating brake uses; When earthing mechanism closed a floodgate, earth brace 8 was driven by transmission mechanism and moves downward, and the lower end of earth brace 8 closely is plugged in the link slot 5 of insulating body 1; Earth brace 8 is contacted with contact 2, be grounded the closing function of mechanism; In conjunction with shown in Figure 6, when earthing mechanism was realized the separating brake function, earth brace 8 is driven to move upward, and made the lower end of earth brace 8 break away from link slot 5, promptly broke away from contact 2, was grounded the separating brake function of mechanism.
The hermetically sealed switch earthing rod of the present invention's three station solid insulations is enclosed in admittedly with contact 2 by insulating body 1 and forms; Contact 2 is positioned at the inner chamber bottom of insulating body 1; Through incompatible realization separating brake of the branch between earth brace 8 and the contact 2 and closing function, and deciliter action between earth brace 8 and the contact 2 is only accomplished in the open slot 3 of insulating body 1, and the volume that makes the existing copper conductor earthing rod of volume ratio of earthing rod of the present invention combine with plug-in strip reduces greatly; So just can reduce the volume of ring main unit; Reduce the cost of ring main unit, and, increase electrified body reaches safe enough between the electrified body under gate-dividing state insulation distance through dress insulating oil in the open slot 3 of insulating body 1; The insulation property of earthing rod are improved greatly, improve safety and reliability.
The above embodiment describes preferred implementation of the present invention; Be not that scope of the present invention is limited; Design under the prerequisite of spirit not breaking away from the present invention; Various distortion and improvement that the common engineers and technicians in this area make technical scheme of the present invention all should fall in the definite protection range of claims of the present invention.
Claims (6)
1. the hermetically sealed switch earthing rod of station solid insulation device; It is characterized in that: comprise the cylindricality insulating body (1) that is fixed on the transmission case body, the upper end of said insulating body (1) is provided with the open slot (3) that stretches into insulating body (1) bottom, and insulating oil (4) is housed in the said open slot (3); The bottom of said insulating body (1) is sealed with contact (2); The upper end of said contact (2) is stretched in the open slot (3), and the bottom surface of insulating body (1) is stretched out in the lower end of said contact (2), and the upper end of said contact (2) is provided with link slot (5); Be provided with flange assembly (6) above the said insulating body (1); The middle part of said flange assembly (6) is provided with flange (7), and said flange (7) is connected with the upper surface of insulating body (1), and the bottom of said flange assembly (6) is stretched in the open slot (3); Vertically place earth brace (8) on the said flange assembly (6); Between the top and earth brace (8) of said flange assembly (6) oil sealing (9) is installed, is provided with seal cover (10) above said flange assembly (6) and the oil sealing (9), said seal cover (10) is connected through buckle with the outer surface of flange assembly (6); Between said flange assembly (6) and the insulating body (1) sealing ring (11) is installed, the lower end of said earth brace (8) is provided with the plug (12) that is connected with link slot (5).
2. the hermetically sealed switch earthing rod of three station solid insulations as claimed in claim 1 device, it is characterized in that: said link slot (5) is up big and down small Rotary-table, and the tapering of said link slot (5) is 4～8 °.
3. the hermetically sealed switch earthing rod of three station solid insulations as claimed in claim 2 device, it is characterized in that: the bottom surface of said flange assembly (6) is provided with annular groove (13), and the bottom of said annular groove (13) extends to the middle part of flange assembly (6).
4. like the hermetically sealed switch earthing rod of the described three station solid insulations of one of claim 1-3 device, it is characterized in that: said insulating body (1) is processed by epoxy resin.
5. the hermetically sealed switch earthing rod of three station solid insulations as claimed in claim 4 device; It is characterized in that: said contact (2) is eccentric with said open slot (3) and is provided with; Said contact (2) is near the front side of insulating body (1); The front lower of said insulating body (1) is provided with augments boss (14), is connected with reinforcement (15) between the said top and insulating body (1) of augmenting boss (14).
6. the hermetically sealed switch earthing rod of three station solid insulations as claimed in claim 5 device; It is characterized in that: the left and right sides of said insulating body (1) be arranged with two with said transmission case body through bolted first boss (16), the front and back side of said insulating body (1) be arranged with two with flange assembly (6) through bolted second boss (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110448474.9A CN102420390B (en) | 2011-12-29 | 2011-12-29 | Three-station solid insulated full-sealed switch grounding pole device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110448474.9A CN102420390B (en) | 2011-12-29 | 2011-12-29 | Three-station solid insulated full-sealed switch grounding pole device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102420390A true CN102420390A (en) | 2012-04-18 |
| CN102420390B CN102420390B (en) | 2014-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110448474.9A Active CN102420390B (en) | 2011-12-29 | 2011-12-29 | Three-station solid insulated full-sealed switch grounding pole device |
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| CN (1) | CN102420390B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103088839A (en) * | 2013-01-09 | 2013-05-08 | 武汉鑫瑞通管业有限公司 | Anti-creeping cement prefabricated street lamp foundation |
| RU2629368C1 (en) * | 2016-03-09 | 2017-08-29 | Валерий Иванович Сафонов | Electrical device |
| CN111064111A (en) * | 2020-01-15 | 2020-04-24 | 云南电网有限责任公司电力科学研究院 | An inflatable switch cabinet |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5321221A (en) * | 1991-11-20 | 1994-06-14 | Gec Alsthom Sa | Self-disconnecting circuit-breaker for medium tension, and use thereof in a medium-tension station or bay |
| CN200959283Y (en) * | 2006-10-19 | 2007-10-10 | 常州市扬子电子有限公司 | High-voltage capacitance-short-circuit discharger |
| CN201601100U (en) * | 2009-12-03 | 2010-10-06 | 北京双杰电气股份有限公司 | Fuse cutout for solid insulating full-closed combined electrical appliance |
| CN201829825U (en) * | 2010-10-26 | 2011-05-11 | 河南省电力公司新乡供电公司 | Grounding pole of high-voltage switch cabinet |
-
2011
- 2011-12-29 CN CN201110448474.9A patent/CN102420390B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5321221A (en) * | 1991-11-20 | 1994-06-14 | Gec Alsthom Sa | Self-disconnecting circuit-breaker for medium tension, and use thereof in a medium-tension station or bay |
| CN200959283Y (en) * | 2006-10-19 | 2007-10-10 | 常州市扬子电子有限公司 | High-voltage capacitance-short-circuit discharger |
| CN201601100U (en) * | 2009-12-03 | 2010-10-06 | 北京双杰电气股份有限公司 | Fuse cutout for solid insulating full-closed combined electrical appliance |
| CN201829825U (en) * | 2010-10-26 | 2011-05-11 | 河南省电力公司新乡供电公司 | Grounding pole of high-voltage switch cabinet |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103088839A (en) * | 2013-01-09 | 2013-05-08 | 武汉鑫瑞通管业有限公司 | Anti-creeping cement prefabricated street lamp foundation |
| CN103088839B (en) * | 2013-01-09 | 2015-11-18 | 武汉鑫瑞通管业有限公司 | Anticreep concrete prefabricated streetlamp foundation |
| RU2629368C1 (en) * | 2016-03-09 | 2017-08-29 | Валерий Иванович Сафонов | Electrical device |
| CN111064111A (en) * | 2020-01-15 | 2020-04-24 | 云南电网有限责任公司电力科学研究院 | An inflatable switch cabinet |
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| Publication number | Publication date |
|---|---|
| CN102420390B (en) | 2014-08-13 |
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