CN204835458U - 66kV-220kV is outdoor termination for XLPE insulated cable - Google Patents
66kV-220kV is outdoor termination for XLPE insulated cable Download PDFInfo
- Publication number
- CN204835458U CN204835458U CN201520404157.0U CN201520404157U CN204835458U CN 204835458 U CN204835458 U CN 204835458U CN 201520404157 U CN201520404157 U CN 201520404157U CN 204835458 U CN204835458 U CN 204835458U
- Authority
- CN
- China
- Prior art keywords
- stress cone
- cable
- sleeve pipe
- stress
- pressure
- 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
- 239000004703 cross-linked polyethylene Substances 0.000 title abstract description 3
- 229920003020 cross-linked polyethylene Polymers 0.000 title abstract description 3
- 239000004593 Epoxy Substances 0.000 claims abstract description 22
- 230000006835 compression Effects 0.000 claims description 20
- 238000007906 compression Methods 0.000 claims description 20
- 229920002545 silicone oil Polymers 0.000 claims description 4
- 230000015556 catabolic process Effects 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 abstract description 4
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 230000035882 stress Effects 0.000 description 45
- 230000005684 electric field Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
Landscapes
- Cable Accessories (AREA)
Abstract
The utility model discloses a 66kV-220kV is outdoor termination for XLPE insulated cable, including sleeve pipe 2, install last flange 14 and adapting unit 8 down on sleeve pipe 2 respectively, set up stress cone 5 in the sleeve pipe 2, 5 peripheral suits of stress cone are inlayed at the epoxy seat 4 on adapting unit 8 top down, set up insulatingly oily 3 between 2 at epoxy seat 4 and sleeve pipe, set up pressure adjustment assembly under and between the adapting unit 8 in the bottom of stress cone 5. Pressure adjustment assembly makes the interfacial pressure between stress cone and the cable adjustable, through the interfacial pressure between pressure adjustment assembly regulation stress cone and the cable, has thoroughly got rid of the bubble between stress cone and the cable, and combining closely between proof stress awl and epoxy cover and stress cone and the cable has increased interfacial pressure between stress cone and the cable, the stress relaxation problem between stress cone and the cable of also having solved simultaneously, it is even to make cable insulation shield the field distribution who cuts off the department, has improved the power frequency and the resistant breakdown strength of cable.
Description
Technical field
The utility model relates to high-voltage crosslinking insulated power cable attachment design technical field, is specially a kind of 66kV ~ 220kVXLPE insulated cable outdoor terminal.
Background technology
Chinese invention patent discloses a kind of name and is called 500kV and more than 500kV power cable outdoor terminal, the patent No. is the patent of invention of 2010101908010, on cable, assemblage stress is bored and is set with epoxy cover outward at stress cone, by epoxy cover, stress cone and insulating oil are completely cut off, avoid stress cone long period of soaking that rubber infiltration or aging occurs in insulating oil, simultaneously by arranging compression set below stress cone, by the pressure produced between compression set and stress cone, the conical surface of stress cone is produced thrust to the inner surface that epoxy overlaps, the reaction force of this thrust can make stress cone produce interfacial pressure to cable, this interfacial pressure make stress cone and cable tightly be pressed in one piece, this interfacial pressure is nonadjustable, thoroughly cannot get rid of the bubble between stress cone and cable, can not proof stress cone and epoxy overlaps and combining closely between stress cone and cable, also there is the Stress relaxation between stress cone and cable caused under high electric field and thermal field effect simultaneously, make the non-uniform electric of insulation shield cut-off part, reduce the power frequency of cable and resistance to breakdown strength.
The insulating oil that simultaneously current outdoor terminal uses can not ensure mobility under cryogenic conditions and insulating properties, easily punch-through occurs, and greatly have impact on this outdoor terminal electric property under cryogenic and security performance.
Summary of the invention
For solving the technical problem of above-mentioned existence, the utility model provides a kind of 66kV ~ 220kVXLPE insulated cable outdoor terminal, provides a kind of safe and reliable insulated cable outdoor terminal.In order to achieve the above object, the technical scheme that the utility model adopts is:
Comprise sleeve pipe, be arranged on upper flange on sleeve pipe and lower link respectively, in sleeve pipe, stress cone is set, stress cone periphery suit is embedded in the epoxy seat on lower link top, insulating oil is set between epoxy seat and sleeve pipe, pressure-regulating device is set between the bottom of stress cone and lower link.
Pressure-regulating device makes the interfacial pressure between stress cone and cable adjustable, the interfacial pressure between stress cone and cable is regulated by pressure-regulating device, thoroughly eliminate the bubble between stress cone and cable, proof stress is bored and epoxy overlaps and combining closely between stress cone and cable, adds interfacial pressure between stress cone and cable; Also solve the Stress relaxation between stress cone and cable simultaneously, make the Electric Field Distribution of insulation shield cut-off part even, improve the power frequency of cable and resistance to breakdown strength.
The utility model devises, described pressure-regulating device comprises the compression sleeve be arranged on bottom stress cone, in the bottom of compression sleeve by the spring of lower link suit with connecting rod, the top of spring withstands on compression sleeve and its bottom withstands on on the lower flange be fixedly installed on lower link adjustable plate separately, setting space adjustment member between lower flange and adjustable plate.
The utility model devises, and described spacing adjustment member is set to the adjusting screw(rod) be arranged between lower flange and adjustable plate.
The utility model devises, described lower link comprise interior link-and outer connection component-, lower flange be fixedly connected on outer connection component-on, the bottom of compression sleeve is by interior link-the be set with spring with connecting rod.
The utility model devises, and described insulating oil adopts silicone oil.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is pressure-regulating device schematic diagram;
Fig. 3 is the schematic diagram of epoxy cover.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail:
Be a specific embodiment of the present utility model as Figure 1-3, this 66kV ~ 220kVXLPE insulated cable outdoor terminal, comprise sleeve pipe 2, be arranged on the upper flange 14 on sleeve pipe 2 and lower link 8 respectively, stress cone 5 is set in sleeve pipe 2, stress cone 5 periphery suit is embedded in the epoxy seat 4 on lower link 8 top, insulating oil 3 is set between epoxy seat 4 and sleeve pipe 2, also comprise the compression sleeve 7 be arranged on bottom stress cone 5, the spring 9 with connecting rod is set with by lower link 8 in the bottom of compression sleeve 7, the top of spring 9 withstands on compression sleeve 7 and its bottom withstands on on the lower flange 10 be fixedly installed on lower link 8 adjustable plate 11 separately, setting space adjustment member between lower flange 10 and adjustable plate 11, when needing stress cone 5 to be pressed in the pressure on cable 1 by epoxy seat 4, the spacing between lower flange 10 and adjustable plate 11 is reduced by spacing adjustment member, spacing reduces the spring 9 that will to gradually reduce with adjustable plate 11 gradually, the spring force of spring 9 will be passed to the top of spring 9 and the contact position of compression sleeve 7, compression sleeve 7 is produced and becomes large spring pressure gradually, this spring pressure is passed to the contact position of compression sleeve 7 and stress cone 5 by compression sleeve 7, thus counter stress cone 5 generation becomes large pressure gradually, this pressure is converted into stress cone 5 finally by the interaction between epoxy seat 4 and stress cone 5 and is pressed in cable 1 becomes large pressure gradually, become large pressure gradually by this stress cone and epoxy seat and the bubble between stress cone and cable are thoroughly got rid of, achieve stress cone and epoxy seat and combining closely between stress cone and cable,
In this example, described spacing adjustment member is set to the adjusting screw(rod) 12 that is arranged between lower flange 10 and adjustable plate 11.
In this example, described lower link 8 comprises interior link 8-1 and outer connection component 8-2, and lower flange 10 is fixedly connected on outer connection component 8-2, and the bottom of compression sleeve 7 is by the spring 9 of interior link 8-1 suit with connecting rod.
In this example, described insulating oil 3 adopts silicone oil.
As Fig. 3, this epoxy seat weight decreases 30%, meets lightweight requirements, and the installation and maintenance of epoxy seat is simpler and easy simultaneously.
Technique effect of the present utility model is:
1. owing to devising pressure-regulating device, make the interfacial pressure between stress cone and cable adjustable, thoroughly eliminate the bubble between stress cone and cable, proof stress is bored and epoxy overlaps and combining closely between stress cone and cable, adds interfacial pressure between stress cone and cable; Also solve the Stress relaxation between stress cone and cable simultaneously, make the Electric Field Distribution of insulation shield cut-off part even, improve the power frequency of cable and resistance to breakdown strength.
2. due to design the top of spring 9 withstand on compression sleeve 7 and its bottom withstand on on the lower flange 10 be fixedly installed on lower link 8 adjustable plate 11 separately, spacing adjustment member, by regulating the spacing between lower flange 10 and adjustable plate 11 thus changing the decrement of spring 9, thus change the spring pressure of spring 9 pairs of compression sleeves 7, this pressure-regulating device is reasonable in design and be easy to realize, and meets pressure controlled requirement.
3., owing to devising adjusting screw(rod) 12, regulate simple and easy and simple to operate.
4. adopt silicone oil owing to devising insulating oil 3, meet under cryogenic to the instructions for use of insulating oil, improve the electric property of this device.
Certainly; above-mentioned explanation is not to restriction of the present utility model; the utility model is also not limited in above-mentioned citing, the change that those skilled in the art make in essential scope of the present utility model, remodeling, interpolation or replacement, also should belong to protection range of the present utility model.
Claims (5)
1. 66kV ~ 220kVXLPE insulated cable outdoor terminal, is characterized in that: comprise sleeve pipe (2),
Be arranged on the upper flange (14) on sleeve pipe (2) and lower link (8) respectively, stress cone (5) is set in sleeve pipe (2), stress cone (5) periphery suit is embedded in the epoxy seat (4) on lower link (8) top, insulating oil (3) is set between epoxy seat (4) and sleeve pipe (2), pressure-regulating device is set between the bottom of stress cone (5) and lower link (8).
2. a kind of 66kV ~ 220kVXLPE insulated cable outdoor terminal according to claim 1, it is characterized in that: described pressure-regulating device comprises the compression sleeve (7) being arranged on stress cone (5) bottom, in the bottom of compression sleeve (7) by the spring (9) of lower link (8) suit with connecting rod, the top of spring (9) withstands on compression sleeve (7) and its bottom withstands on on lower flange (10) adjustable plate separately (11) be fixedly installed on lower link (8), setting space adjustment member between lower flange (10) and adjustable plate (11).
3. a kind of 66kV ~ 220kVXLPE insulated cable outdoor terminal according to claim 2, is characterized in that: described spacing adjustment member is set to the adjusting screw(rod) (12) be arranged between lower flange (10) and adjustable plate (11).
4. a kind of 66kV ~ 220kVXLPE insulated cable outdoor terminal according to claim 2, it is characterized in that: described lower link (8) comprises interior link (8-1) and outer connection component (8)-(2), lower flange (10) is fixedly connected on outer connection component (8-2), and the bottom of compression sleeve (7) is by the spring (9) of interior link (8-1) suit with connecting rod.
5. a kind of 66kV ~ 220kVXLPE insulated cable outdoor terminal according to claim 1, is characterized in that: described insulating oil (3) adopts silicone oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520404157.0U CN204835458U (en) | 2015-06-12 | 2015-06-12 | 66kV-220kV is outdoor termination for XLPE insulated cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520404157.0U CN204835458U (en) | 2015-06-12 | 2015-06-12 | 66kV-220kV is outdoor termination for XLPE insulated cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204835458U true CN204835458U (en) | 2015-12-02 |
Family
ID=54693017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520404157.0U Active CN204835458U (en) | 2015-06-12 | 2015-06-12 | 66kV-220kV is outdoor termination for XLPE insulated cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204835458U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109167329A (en) * | 2018-11-13 | 2019-01-08 | 特变电工昭和（山东）电缆附件有限公司 | A kind of 500kV and 500kV or more AC and DC power cable combination prefabricated transition joint |
| CN109217224A (en) * | 2018-11-13 | 2019-01-15 | 特变电工昭和（山东）电缆附件有限公司 | A kind of outer terminal of 500kV and 500kV or more AC and DC power cable user |
-
2015
- 2015-06-12 CN CN201520404157.0U patent/CN204835458U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109167329A (en) * | 2018-11-13 | 2019-01-08 | 特变电工昭和（山东）电缆附件有限公司 | A kind of 500kV and 500kV or more AC and DC power cable combination prefabricated transition joint |
| CN109217224A (en) * | 2018-11-13 | 2019-01-15 | 特变电工昭和（山东）电缆附件有限公司 | A kind of outer terminal of 500kV and 500kV or more AC and DC power cable user |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202178506U (en) | High-voltage switch cabinet casing pipe | |
| CN204835458U (en) | 66kV-220kV is outdoor termination for XLPE insulated cable | |
| CN104124011A (en) | Integrated lightning arrester insulator | |
| CN103474944B (en) | Great creep distance direct current cable outdoor terminal | |
| CN204333883U (en) | High pressure dry column support type outdoor terminal | |
| CN203659557U (en) | Line type fixed clearance metal oxide arrester | |
| CN204651852U (en) | Suppress the inter-phase spacer of dual loop transmission line ice-shedding | |
| CN208923798U (en) | A kind of outer terminal of 500kV and 500kV or more AC and DC power cable user | |
| CN107785133B (en) | Adaptively regulate and control the equipment outlet sleeve of composite material using conductivity | |
| CN203631193U (en) | Pin-type insulator | |
| CN204792241U (en) | Compound silicon rubber insulation | |
| CN202549509U (en) | Built-in lightning arrester insulator for 10-kilovolt distribution circuit | |
| CN207052387U (en) | A kind of distribution line overvoltage protection | |
| CN203812795U (en) | Plateau high-voltage load switch-fuse composite electric appliance | |
| CN201725640U (en) | Hollow compound insulator | |
| CN202917936U (en) | High voltage crosslinked cable oil charge terminal | |
| CN204857414U (en) | Oil formula transformer | |
| CN203932789U (en) | A kind of new-type branch mailbox GIS case main bus structure altogether | |
| CN204066920U (en) | A kind of adjustable lightning arrester structure | |
| CN109217224A (en) | A kind of outer terminal of 500kV and 500kV or more AC and DC power cable user | |
| CN204464165U (en) | A kind of insulating cylinder | |
| CN204360912U (en) | A kind of flow-guiding radiation combined instrument transformer on high pressure complete set of equipments | |
| CN203674560U (en) | Pole tower | |
| CN204156482U (en) | A kind of power circuit is registered one's residence lightning arrester erecting bed | |
| CN205428672U (en) | Transformer high -tension bushing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |