CN204333883U - High pressure dry column support type outdoor terminal - Google Patents
High pressure dry column support type outdoor terminal Download PDFInfo
- Publication number
- CN204333883U CN204333883U CN201420870775.XU CN201420870775U CN204333883U CN 204333883 U CN204333883 U CN 204333883U CN 201420870775 U CN201420870775 U CN 201420870775U CN 204333883 U CN204333883 U CN 204333883U
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- high pressure
- base plate
- silicon rubber
- umbrella skirt
- stress cone
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Abstract
The utility model provides a kind of high pressure dry column support type outdoor terminal, and the bottom of its silicon rubber umbrella skirt is arranged on base plate; The below of base plate is provided with lower seals; The upper end of silicon rubber umbrella skirt is provided with high pressure calotte; High pressure cap top is provided with outlet rod, and the outlet rod of this outlet rod lower end passes high pressure calotte and enters silicon rubber umbrella skirt inner chamber; Successively through lower seals and base plate, the cable entered in the inner chamber of silicon rubber umbrella skirt is crimped on the plug-in contact with outlet rod grafting; The high-tension shielding enclosure is in plug-in contact and cable junction; The stress cone be positioned at bottom high-tension shielding cover is enclosed within the cable insulation of cable; The spring attachment that two ends withstand stress cone and base plate is respectively equipped with in the below of stress cone; Its complementary space of silicon rubber umbrella skirt inner chamber is filled by epoxy resin support insulating part.The utility model, by the optimal design of each parts, ensures that outdoor terminal long-term safety is run, neither containing extend oil, can avoid again the deficiency of existing flexible outdoor terminal.
Description
Technical field
The utility model relates to high pressure dry column support type outdoor terminal, belongs to electric cable accessories technical field.
Background technology
110kV outdoor terminal mainly adopts oil-filling type outdoor terminal at present.Oil-filling type outdoor terminal can be divided into again porcelain bushing type and composite casing type two kinds of forms according to external insulation difference.The sealing of the terminal of this form is all always one of its Accident Area.Although each producer designs different hermetically-sealed constructions, all inevitably there is the problem of leakage of oil in whichever producer, wherein also comprises the oil accident installed and slip up and cause.If generation leakage of oil, annex can be caused to puncture, cause large area blackout.Also having producer to fill glue, such as Silica hydrogel etc. with filling coagulating type, also there is defective workmanship: in cast-in-place process, inevitably produce pore, for the electric cable accessories of voltage levels, because field intensity is higher, in running, there is fatal hidden danger.Simultaneously owing to expanding with heat and contract with cold in cable running, also pore can be produced in interface.
Therefore, the producer of domestic and international electric cable accessories attempts the flexible dry type outdoor terminal of exploitation, and not containing extend oil, structure is different.Flexible outdoor terminal has a lot of advantages, such as without leakage of oil defect, lightweight, cost is low, easy for installation etc., also its fatal defect is had, for small bore cable, because its rigidity is very low, often there is cable termination buckling phenomenon, even if the cable of larger cross-section, in running, temperature raises, and also can cause bending.The misaligning of annex (in other words out of plumb) can make electric-field intensity distribution uneven, causes uniform electric field to concentrate, there is potential safety hazard.If wind-force is larger, amplify its defect especially, electric discharge or the outer probability dodged can increase greatly.
Summary of the invention
For solving the deficiencies in the prior art, the purpose of this utility model is to provide one neither containing extend oil, can avoid again the high pressure dry column support type outdoor terminal of the deficiency of existing flexible outdoor terminal.The stress cone of high pressure dry column support type outdoor terminal provided by the utility model ensures interfacial pressure by spring compression, when there will not be because relying on separately rubber interference to provide interfacial pressure, the situation that interfacial pressure declines is there is due to aging action, structural design of the present utility model considers the interchangeability with existing GIS terminal product component, is convenient to standby storehouse and reduces costs.
High pressure dry column support type outdoor terminal provided by the utility model, is characterized in that: comprise base plate, silicon rubber umbrella skirt, plug-in contact and high-tension shielding cover; The bottom of described silicon rubber umbrella skirt is arranged on described base plate; Be positioned at described silicon rubber umbrella skirt and base plate installation place, the below of described base plate is provided with lower seals; The upper end of described silicon rubber umbrella skirt is provided with high pressure calotte; The top of described high pressure calotte is provided with outlet rod, and the outlet rod of this outlet rod lower end passes high pressure calotte and enters described silicon rubber umbrella skirt inner chamber; Successively through lower seals and base plate, the cable entered in the inner chamber of described silicon rubber umbrella skirt is crimped on described plug-in contact, this plug-in contact and outlet rod grafting; The described high-tension shielding enclosure is in described plug-in contact and cable junction; The stress cone be positioned at bottom described high-tension shielding cover is enclosed within the cable insulation of described cable; The below of described stress cone is also provided with spring attachment, and the two ends of this spring attachment withstand stress cone and base plate respectively; Its complementary space of described silicon rubber umbrella skirt inner chamber is filled by epoxy resin support insulating part.
Outlet of the present utility model rod plays electric connection function, by special binding post can 360 ° be connected easily with other electric equipments; High pressure calotte can be made into convex structure, plays uniform electric field effect; Silicon rubber umbrella skirt has hydrophobicity speciality, can rainproof, anti-tracking, and increases creepage distance; Epoxy resin support insulating part is main support component and has good insulation property, can reach the insulator strutting piece requirement of regulation, the natural calamities such as wind resistance power and earthquake; Plug-in contact surface is silver-plated, strengthens flow conductivity; High-tension shielding cover shielded type cable core electric field, ensures security of operation; Stress cone is electric field stress detrainment device, and interfacial pressure is constant to utilize spring attachment to ensure; Base plate and supporting insulator ensure the support of annex and the selection ground connection of zero potential; It is inner that lower seals can prevent moisture from entering terminal stress cone.
Further, the described spring attachment spring that comprises guide rod, installation sleeve and be enclosed within guide rod; Described guide rod is arranged on installation sleeve, and the two ends of described spring lean respectively on installation sleeve and base plate; The upper end of described installation sleeve withstands on the bottom of described stress cone.Ensureing interfacial pressure by spring compression, when there will not be because relying on separately rubber interference to provide interfacial pressure, occurring the situation that interfacial pressure declines due to aging action.
Further, the lower surface of described base plate, through described base plate, is exposed in the lower end of described guide rod; This guide rod is connected with described base thread.After the utility model installs, by turning the guide rod exposing described base plate, can also regulate
Further, stress cone holder is also provided with between described stress cone and spring attachment; Described spring attachment withstands in described stress cone holder, thus indirectly-acting is on described stress cone.
Further, described stress cone and described cable insulation interference fit.
Further, the two ends of described base plate are provided with supporting insulator, and this supporting insulator is positioned at the below of base plate.
Further, described lower seals is a tail pipe, and this tail pipe is arranged on base plate by nut; Sealing ring is provided with between described tail pipe and base plate.
Further, between described high pressure calotte and silicon rubber umbrella skirt, and be provided with sealing ring between described outlet rod and high pressure calotte.
The utility model, by the optimal design of all parts, ensures that outdoor terminal long-term safety is run.Neither containing extend oil, the deficiency of existing flexible outdoor terminal can be avoided again; Ensureing interfacial pressure by spring compression, when there will not be because relying on separately rubber interference to provide interfacial pressure, occurring the situation that interfacial pressure declines due to aging action.The utility model be after the developing direction of cable outdoor terminal, existing cable outdoor terminal product can be substituted completely, apply in worldwide.The utility model has rational in infrastructure, dependable performance, advantage easy for installation.The utility model is compared to the installation of other outdoor terminals, and when other outdoor terminals are installed, cable external shield stripping about length 1800mm, stripping length of the present utility model is only about 300mm, has greatly saved cost.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is I place enlarged drawing in Fig. 1.
In figure: 1-outlet rod; 2-high pressure calotte; 3-silicon rubber umbrella skirt; 4-epoxy resin support insulating part; 5-plug-in contact; 6-high-tension shielding cover; 7-cable insulation; 8-stress cone; 9-spring attachment; 10-base plate; 11-supporting insulator; 12-lower seals; The holder of 13-stress cone; 14-guide rod; 15 holddown springs; 16-supported flange; 17-hold down gag ground connection litzendraht wire.
Embodiment
As shown in Figure 1, 2, high pressure dry column support type outdoor terminal provided by the utility model, comprises outlet rod 1, high pressure calotte 2, silicon rubber umbrella skirt 3, epoxy resin support insulating part 4, plug-pull plug 5, high-tension shielding cover 6, stress cone 8, spring attachment 9, base plate 10, lower seals 12.The below of silicon rubber umbrella skirt 3 is arranged on base plate 10; In the installation place of silicon rubber umbrella skirt 3 with base plate 10, the below of base plate 10 is provided with lower seals 12, lower seals 12 can use tail pipe, nut is utilized to be arranged on by tail pipe on base plate 10, and between base plate 10 and tail pipe, install sealing ring additional, enhanced leaktightness performance, it is inner that lower seals can prevent moisture from entering terminal stress cone; The two ends of base plate 10 are provided with supporting insulator 11, and this supporting insulator is positioned at the below of base plate, and base plate and supporting insulator ensure the support of annex and the selection ground connection of zero potential; The upper end of silicon rubber umbrella skirt 3 is provided with high pressure calotte 2, can install sealing ring additional between high pressure calotte and silicon rubber umbrella skirt; The upper end of high pressure calotte 2 can be made into convex structure, plays uniform electric field effect; The top of high pressure calotte 2 is provided with outlet rod 1, also can install sealing ring additional between outlet rod and high pressure calotte, the binding post of outlet rod 1 can 360 ° be connected easily with other external electrical equipment; The outlet rod of outlet rod 1 lower end through high pressure calotte 2 stretch in the inner chamber of silicon rubber umbrella skirt 3, this outlet rod and plug-in contact 5 grafting of inner chamber being arranged in silicon rubber umbrella skirt 3; Cable is successively through entering in the inner chamber of silicon rubber umbrella skirt 3 after lower seals 12, base plate 10, and cable crimps with plug-in contact 5, and plug-in contact 5 electroplate, can strengthen flow conductivity; In the junction of plug-in contact 5 with cable, high-tension shielding cover 6 is enclosed within this junction, high-tension shielding cover shielded type cable core electric field, ensures security of operation; The bottom of high-tension shielding cover 6 is provided with stress cone 8, and stress cone 8 is enclosed within the cable insulation 7 of cable, stress cone 8 and cable insulation 7 interference fit; The below of stress cone 8 is provided with spring attachment 9, and the two ends of this spring attachment withstand stress cone 8 and supported flange 16 respectively, and the interfacial pressure of proof stress cone is constant; Its complementary space of the inner chamber of silicon rubber umbrella skirt 3 is filled by epoxy resin support insulating part 4, epoxy resin support insulating part 4 is main support component and has good insulation property, the insulator strutting piece requirement of regulation can be reached, the natural calamities such as wind resistance power and earthquake.Spring attachment 9 comprises guide rod 14 and is enclosed within the holddown spring 15 on guide rod, and guide rod 14 is arranged in cone holder 13, and upper end withstands on the bottom of stress cone 8, and the two ends of spring lean respectively in cone holder 14 and supported flange 16.Be provided with hold down gag ground connection litzendraht wire 17 at spring attachment base plate, realize safe and reliable ground connection.
Outlet rod described in the utility model, high pressure calotte, silicon rubber umbrella skirt, epoxy resin support insulating part and high-tension shielding cover integrally assembly, production and assembly can be completed in factory, the field installation procedure of field construction can be simplified, reduce labour intensity, save the set-up time.The utility model is compared to the installation of other outdoor terminals, and when other outdoor terminals are installed, cable external shield stripping about length 1800mm, stripping length of the present utility model is only about 300mm.
Installation procedure of the present utility model is: (1) cable stripping, polishing, be crimped on cable core print on plug-in contact, then be arranged on base plate by supporting insulator; (2) cable being crimped with plug-in contact is passed in the reserved jack of lower seals, and pass from floor; Lower seals is arranged on base plate, and spring attachment is arranged on the another side of base plate; (3) stress cone is socketed on cable; If containing stress cone holder, can first by stress cone care set on cable; (4) the aforementioned black box be made up of outlet rod, high pressure calotte, silicon rubber umbrella skirt, epoxy resin support insulating part and high-tension shielding cover etc. is carefully lifted and is fixed on base plate, while lifting is fixing, being come in and gone out by plug-in is plugged on outlet rod, guarantees that grafting puts in place; (5) guarantee that spring attachment, lower seals etc. are in place by technological requirement.The whole installation process of the utility model is simple, convenient, and reduce the labour intensity of installation personnel, installation effectiveness improves greatly.
Above-described embodiment does not limit the utility model in any form, the technical scheme that the mode that all employings are equal to replacement or equivalent transformation obtains, and all drops in protection range of the present utility model.
Claims (8)
1. a high pressure dry column support type outdoor terminal, is characterized in that: comprise base plate, silicon rubber umbrella skirt, plug-in contact and high-tension shielding cover; The bottom of described silicon rubber umbrella skirt is arranged on described base plate; Be positioned at described silicon rubber umbrella skirt and base plate installation place, the below of described base plate is provided with lower seals; The upper end of described silicon rubber umbrella skirt is provided with high pressure calotte; The top of described high pressure calotte is provided with outlet rod, and the outlet rod of this outlet rod lower end passes high pressure calotte and enters described silicon rubber umbrella skirt inner chamber; Successively through lower seals and base plate, the cable entered in the inner chamber of described silicon rubber umbrella skirt is crimped on described plug-in contact, this plug-in contact and outlet rod grafting; The described high-tension shielding enclosure is in described plug-in contact and cable junction; The stress cone be positioned at bottom described high-tension shielding cover is enclosed within the cable insulation of described cable; The below of described stress cone is also provided with spring attachment, and the two ends of this spring attachment withstand stress cone and base plate respectively; Its complementary space of described silicon rubber umbrella skirt inner chamber is filled by epoxy resin support insulating part.
2. high pressure dry column support type outdoor terminal as claimed in claim 1, is characterized in that: the spring that described spring attachment comprises guide rod, installation sleeve and is enclosed within guide rod; Described guide rod is arranged on installation sleeve, and the two ends of described spring lean respectively on installation sleeve and base plate; The upper end of described installation sleeve withstands on the bottom of described stress cone.
3. high pressure dry column support type outdoor terminal as claimed in claim 1 or 2, is characterized in that: be also provided with stress cone holder between described stress cone and spring attachment; Described spring attachment withstands in described stress cone holder, thus indirectly-acting is on described stress cone.
4. high pressure dry column support type outdoor terminal as claimed in claim 1 or 2, is characterized in that: described stress cone and described cable insulation interference fit.
5. high pressure dry column support type outdoor terminal as claimed in claim 1 or 2, it is characterized in that: the two ends of described base plate are provided with supporting insulator, this supporting insulator is positioned at the below of base plate.
6. high pressure dry column support type outdoor terminal as claimed in claim 1 or 2, is characterized in that: described lower seals is a tail pipe, and this tail pipe is arranged on base plate by nut; Sealing ring is provided with between described tail pipe and base plate.
7. high pressure dry column support type outdoor terminal as claimed in claim 1 or 2, is characterized in that: between described high pressure calotte and silicon rubber umbrella skirt, and is provided with sealing ring between described outlet rod and high pressure calotte.
8. high pressure dry column support type outdoor terminal as claimed in claim 1 or 2, is characterized in that: the upper end of described high pressure calotte is arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420870775.XU CN204333883U (en) | 2014-12-31 | 2014-12-31 | High pressure dry column support type outdoor terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420870775.XU CN204333883U (en) | 2014-12-31 | 2014-12-31 | High pressure dry column support type outdoor terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204333883U true CN204333883U (en) | 2015-05-13 |
Family
ID=53170198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420870775.XU Expired - Fee Related CN204333883U (en) | 2014-12-31 | 2014-12-31 | High pressure dry column support type outdoor terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204333883U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106961091A (en) * | 2016-01-11 | 2017-07-18 | 泰科电子(上海)有限公司 | Power cable terminal |
| CN107634496A (en) * | 2017-08-01 | 2018-01-26 | 全球能源互联网研究院 | A kind of high voltage direct current cable line terminal |
| CN110034531A (en) * | 2019-05-13 | 2019-07-19 | 上泰电气有限公司 | Novel combined cable accessory, Combined cable and preparation method thereof |
| CN110797831A (en) * | 2019-09-17 | 2020-02-14 | 江苏斯普特电工科技有限公司 | Silicon rubber cold shrinkage type cable terminal |
-
2014
- 2014-12-31 CN CN201420870775.XU patent/CN204333883U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106961091A (en) * | 2016-01-11 | 2017-07-18 | 泰科电子(上海)有限公司 | Power cable terminal |
| CN107634496A (en) * | 2017-08-01 | 2018-01-26 | 全球能源互联网研究院 | A kind of high voltage direct current cable line terminal |
| CN110034531A (en) * | 2019-05-13 | 2019-07-19 | 上泰电气有限公司 | Novel combined cable accessory, Combined cable and preparation method thereof |
| CN110797831A (en) * | 2019-09-17 | 2020-02-14 | 江苏斯普特电工科技有限公司 | Silicon rubber cold shrinkage type cable terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20171231 |