CN202599981U - General insulation cap for 66kV cable withstand voltage test - Google Patents
General insulation cap for 66kV cable withstand voltage test Download PDFInfo
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- CN202599981U CN202599981U CN 201220231042 CN201220231042U CN202599981U CN 202599981 U CN202599981 U CN 202599981U CN 201220231042 CN201220231042 CN 201220231042 CN 201220231042 U CN201220231042 U CN 201220231042U CN 202599981 U CN202599981 U CN 202599981U
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- clamping plate
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- cable
- insulation
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- 238000012360 testing method Methods 0.000 title claims abstract description 47
- 238000009413 insulation Methods 0.000 title claims abstract description 35
- 239000012212 insulator Substances 0.000 claims description 63
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 24
- 238000009422 external insulation Methods 0.000 claims description 6
- 230000003467 diminishing effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000009466 transformation Effects 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 abstract 1
- 210000002683 foot Anatomy 0.000 description 16
- 238000013461 design Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 5
- 238000004382 potting Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000003862 health status Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 238000012346 open field test Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
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- Testing Relating To Insulation (AREA)
Abstract
The utility model relates to the technical field of insulation cables of power systems and particularly relates to a general insulation cap for a 66kV cable withstand voltage test. The insulation cap comprises a general insulation cap body and a jointing clamp, wherein the general insulation cap body is connected to an insulation bracket, an outer insulation layer with insulation sheds, a shielding and stress layer and an insulation cap inner wall are sequentially arranged on the general insulation cap from outside to inside, the head end of the general insulation cap body is a circular flat surface, and a withstand voltage test lead wire through hole is arranged at the center of the head end of the general insulation cap body. According to the general insulation cap for the 66kV cable withstand voltage test, cost investment of power cable tests can be greatly reduced, time of power outage caused by maintenance and transformation of power cables is shortened, power of power outage lines can be recovered as soon as possible, and reliability of enterprise production and life power utilization is guaranteed; and the general insulation cap has the advantages of being small in size, light, high in compatibility, good in insulation effect, reliable, stable, flexible in assembling, convenient to carry, capable of meeting requirements for flexibility and maneuverability of high-voltage electrical tests and applicable to commissioning test work of the power cables with a 66kV voltage grade of the power systems.
Description
Technical field
The utility model relates to the technical field of power system insulation cable, relates in particular to a kind of 66kV cable voltage and tests general insulator cap, is the general insulator cap of a kind of power cable high-potting.
Background technology
Power cable mainly act as in the basic routing line of electric system in order to transmit and to distribute the cable product of high-power electric energy as the important component part in the electric system.Be usually used in the underground electrical network in city, power house lead line, industrial and mining enterprises in-line power and cross river, the submarine transmission line in sea excessively.In power circuit, the shared proportion of cable increases just gradually.In order to guarantee the operation of power cable reliable and stable, dispatch from the factory at power cable, install back and in service all need do dispatch from the factory, commissioning test, test figure is provided, with the health status of check power cable, thereby guarantees the safe and reliable operation of electric system.
More than 200 of existing 66kV of company of Shenyang Power Supply Co. and the large-scale transformation of above electric pressure; And along with the ever-increasing need for electricity of arrival and city of the National Games; Have again in a large number and to build and with the transformer station that builds, there is a large amount of power cable commissioning test tasks every year in Shenyang Power Supply Co.'s test institute thus.And at every group of power cable in commissioning test, power cable needs insulator cap to be installed to increase cable terminal insulation intensity at the cable testing live end for satisfying the ac voltage withstanding condition, in the work that insulator cap is installed, have the inconvenience factor at present.At first, because different cable manufacturers is furnished with the withstand voltage test insulator cap without model specially, the incompatible problem of insulator cap will take place in the cable that runs into different manufacturers production, and the appearance of this problem makes work efficiency reduce greatly.Secondly; Same producer is equipped with an insulator cap often only for a newly-built electric substation, rather than one group (three), in order to realize by mutually withstand voltage necessary frequent change cable insulation cap; This has not only also expended a large amount of activity durations, and frequent change has also increased the probability of damage of cable termination.Once more, under the situation of only being furnished with an insulator cap, for testing crew investigation fault phase cable has increased a large amount of tasks, cause testing crew can not in time find out failure cause, influence guarantees the electric power system normal operation of recovery smoothly.
Summary of the invention
The utility model provides a kind of 66kV cable voltage to test general insulator cap to the problem that exists in the above-mentioned prior art, is the universal insulator cap of a kind of large-scale power cable testing.Purpose is for a kind of highly versatile is provided, and security performance is high, and volume is little, light weight, the general insulator cap of large-scale power cable commissioning test easy to carry.
The utility model solves the technical scheme that its technical matters adopted:
The 66kV cable voltage is tested general insulator cap, comprises insulator cap; Also comprise binding clip; General insulator cap is connected on the insulating support, and general insulator cap is from being provided with successively by interior outward: external insulation layer contains insulation full skirt 2, screen layer and stressor layers 3 and insulator cap inwall 4; General insulator cap head end is round plane, and hole 1 is passed through for the withstand voltage test lead in the head end center.
The equidistant successively from top to bottom eight class B insulation full skirts that are evenly distributed with of the lateral wall of described general insulator cap; The insulator cap inwall for outer wall be the concentric circles tapered cylinder, the diminishing from the bottom to top pyramidal structure of the internal diameter of insulator cap inwall.
The both sides of described binding clip are respectively equipped with the semicircle wiring clamping plate of semicircle wiring clamping plate in left side and right side; Two semicircle wiring clamping plate lower ends are connected by connecting rotating shaft; Semicircle wiring clamping plate upper end, binding clip right side is a concave shape opening clamp, and concave shape opening clamp is corresponding with connecting screw rod in the rotating shaft of left side with semicircle wiring clamping plate upper end, left side.
Semicircle wiring clamping plate upper end, described left side is fixedly connected connecting screw rod in the rotating shaft of left side with left side connecting screw rod root rotating shaft, and connecting screw rod is provided with connecting screw rod head end nut in the rotating shaft of left side.
The semicircle wiring clamping plate in described left side, the semicircle wiring clamping plate outside, right side are equipped with left side arc wiring card, right side arc wiring card.
Described insulating support upper end is provided with the semicircular arc supporting base, and the support bar head end that semicircular arc supporting base lower end is connected post upper is fixedly on the aluminum metal ring; Support bar middle part aluminum metal ring is located on the support bar; The insulating support lower end is provided with feet, and feet one end is connected on the aluminum metal ring of support bar middle part; The support bar bottom is provided with fixedly aluminum metal ring of bottom, and bottom fixedly aluminum metal ring connects connecting rod all around through the rotating shaft bolt, and the other end of connecting rod is connected with feet respectively.
Described feet is provided with four.
The beneficial effect of the utility model is:
The utility model is that quilt examination power cable head end stress cone and general insulator cap inwall are combined closely; The insulator cap outer wall is provided with the insulation full skirt; Satisfy the requirement of the high pressure withstand voltage test class of insulation; Test lead is connected with quilt examination cable conductor through binding clip, and what insulator cap was installed is tried erecting cable on insulating support.Described inwall adopts the design of concentric circles tapered cylinder, can fit with the 66kV power cable stress cone outer wall of different model, realizes satisfying the withstand voltage test class of insulation and requires purpose.The Application and implementation of the utility model one covering device can satisfy the requirement of the 66kV power cable handing-over withstand voltage test of different model, reduce power cable experimentation cost greatly and drop into, played positive impetus for improving enterprise income.
Owing to when normally moving, realized insulation effect through SF6 gas in the GIS air chamber by the examination cable; Therefore cable end body dielectric strength is not enough to satisfy withstand voltage test institute making alive class requirement; Application through the utility model; Can strengthen by the dielectric strength of examination cable live end when the withstand voltage test, avoid producing the possible of electric discharge phenomena failure test effect because of the cable end dielectric strength is low.
Simultaneously; Because the exploitation and the use of the utility model device; Make in the 66kV electric pressure power cable commissioning test time and reduced to present 3 hours 35 minutes by original 4 hours 30 minutes; Change the test casing number of times by original reducing to more than 3 times 0 time, the operating personnel then is reduced to 4 people by 7 people, and average each activity duration shortened near 1 hour.So also just shorten the power off time that causes because of electric equipment maintenance, transformation greatly, dead line can be restored electricity as soon as possible, guaranteed the reliability of enterprise production and people's lives electricity consumption.
Complex operations when the binding clip part can be avoided changing the lead-in wire wiring in the past, this binding clip is simple to operate, is connected firmly, and convenient disassembly demonstrates fully little, fast, clever advantage.On-the-spot high-potting work efficiency and safety reliability of spot have been improved.
The design of described general insulator cap 30 parts of the utility model has taken into full account power cable handing-over required maximum voltage of withstand voltage test and current peak, and the class of insulation of general insulator cap can satisfy the requirement of voltage and current peak fully.Whole physical strength, the stretch-proof ability of simultaneously general insulator cap device also can fully satisfy the open field test requirement, is can keep good physical strength and insulation effect between-30 ℃-40 ℃ in temperature.
Testing ground circumstance complication requirement has been satisfied in the insulating support design.Power cable is layed in the subterranean tunnel more, when cable head is not connected with GIS air chamber or transformer grease chamber again, only has very low dielectric strength, need the cable head bracing frame be arised from the air to satisfy insulating requirements usually during high-potting.And the scene lacks insulating support usually, and there are not professional support in high-potting specialty and producer yet.This blank has been filled up in the design of this insulating support, when having satisfied dielectric strength, has improved site test operational stability and safe reliability again.
The utility model is also considered the variation of different model power cable interface diameter; Utilize power cable stress cone outer wall to be conical structure; General insulator cap 30 and quilt examination power cable connecting portion insulator cap inner chamber 4 are counted concentric circles taper tubular structure; So no matter, can well fit, reach the insulation effect of expection with general insulator cap inner chamber by examination cable size size.
The utility model can reduce power cable experimentation cost greatly and drop into, and has played positive impetus for improving enterprise income.The application of the utility model simultaneously can be shortened the power off time that keeps in repair, causes because of power cable, and dead line can be restored electricity as soon as possible, guarantees the reliability of enterprise production and household electricity.It is little also to have volume, and light weight is compatible high; Insulation effect is good, reliable and stable, and assembling is flexibly; Convenient carrying satisfies the requirement that high-voltage electrical apparatus is tested flexible characteristic, can be applied in the electric system 66kV electric pressure power cable commissioning test work.
Description of drawings
Fig. 1 is universal insulator cap side view;
Fig. 2 is the front elevation of Fig. 1;
Fig. 3 is a binding clip structure side view in the utility model;
Fig. 4 is the front elevation of Fig. 3;
Fig. 5 is an insulating support structure front elevation in the utility model;
Fig. 6 is the side view of Fig. 5;
Integral assembling structure synoptic diagram when Fig. 7 is withstand voltage test.
Among the figure: the withstand voltage test lead passes through hole 1, insulation full skirt 2, screen layer and stressor layers 3, insulator cap inwall 4; Semicircle clamping plate lower end connects rotating shaft 5, the semicircle wiring clamping plate 6 in left side, left side arc wiring card 7, right side arc wiring card 8; The semicircle wiring clamping plate 9 in right side, connecting screw rod 10 in the rotating shaft of left side, connecting screw rod head end nut 11, concave shape opening clamp 12; Left side connecting screw rod root rotating shaft 13, semicircular arc supporting base 14, supporting base standing screw 15, the support bar head end is aluminum metal ring 16 fixedly; Support bar 17, support bar middle part aluminum metal ring 18, feet 19, connecting rod 20; The support bar bottom is aluminum metal ring 21 fixedly, feet upper end fixed rotating shaft bolt 22, and the support bar bottom is aluminum metal ring stationary links rotating shaft bolt 23 fixedly, feet bottom fixed rotating shaft bolt 24; Electric-cable core 25, power cable inner insulating layer 26, power cable stress cone 27, power cable external insulation layer 28; High pressure withstand voltage test lead 29, general insulator cap 30, binding clip 31, insulating support 32.
Below in conjunction with the specific embodiment and the accompanying drawing of the utility model, the utility model is described in detail.
Embodiment
As shown in Figure 7, the utility model is that the 66kV cable voltage is tested general insulator cap, and it comprises binding clip 31, general insulator cap 30, insulating support 32 three parts.General insulator cap 30 is connected on the insulating support 32, and general insulator cap 30 is from being provided with successively by interior each layer structure outward: external insulation layer contains insulation full skirt 2, screen layer and stressor layers 3 and insulator cap inwall 4; General insulator cap 30 head ends are round plane, and hole 1 is passed through for the withstand voltage test lead in the head end center.
Like Fig. 1, Fig. 2 and shown in Figure 7, general insulator cap 30 overall construction design are taper, are cast by silicon rubber.Head end is round plane, and hole 1 is passed through for the withstand voltage test lead in the head end center.The equidistant successively from top to bottom even distribution eight class B insulation full skirts 2 of the lateral wall of general insulator cap 30.The internal diameter of insulator cap inwall 4 is following supreme diminishing pyramidal structures.
The common electric power cable structure from inside to outside is: electric-cable core 25, power cable inner insulating layer 26, screen layer, power cable external insulation layer 28.Wherein screen layer is between inner insulating layer and external insulation layer.When the utility model uses, as shown in Figure 7, be with the wiring diagram of the utility model when the high-potting.To be inserted general insulator cap 30 inner chambers by the examination power cable, and tried power cable stress cone 27 outer wall sections need smear liquid silicone oil ointment, during test power cable stress cone 27 outer walls fully contacted with general insulator cap inwall 4, combine closely.The high pressure withstand voltage test lead 29 of stube cable head end electric-cable core 25 and binding clip 31 is fully stretching.
Common electric power cable stress cone 27 is for after power cable transports the erecting stage to; By the installation company that specializes in the making power cable connector processing and fabricating being carried out in the power cable end forms; Its effect is to make electric power electric power and connected equipment; Like power transformer, GIS combined electrical apparatus, connect more fully reliably.The utility model utilizes power cable stress cone 27 and connected equipment such as power transformer, GIS combined electrical apparatus according to power cable; The reliable principle that connects; With insulator cap inwall and power cable stress cone 27 abundant reliable connection, to reach insulation, fixing, reliable purpose.
When the utility model uses operation; Like Fig. 3, Fig. 4 and shown in Figure 7; Binding clip 31 is connected with the head end electric-cable core 25 that is tried power cable; The semicircle wiring clamping plate in binding clip left side 6, the semicircle wiring clamping plate 9 in right side are clamped electric-cable core 25, and semicircle clamping plate lower end connects rotating shaft 5 and connects, and can do folding and rotate.
The both sides of described binding clip 31 are respectively equipped with semicircle wiring clamping plate 6 in left side and the semicircle wiring clamping plate 9 in right side; Two semicircle wiring clamping plate lower ends are connected by connecting rotating shaft 5; Semicircle wiring clamping plate 6 upper ends, binding clip left side are fixedly connected screw rod 10 roots with left side connecting screw rod root rotating shaft 13; Connecting screw rod 10 head ends are furnished with rotatable mobile connecting screw rod head end nut 11 in the rotating shaft of left side; Connecting screw rod 10 in the rotating shaft of left side can swing according to left side connecting screw rod root rotating shaft 13.Semicircle wiring clamping plate 9 upper ends, binding clip right side are concave shape opening clamp 12; Corresponding with semicircle wiring clamping plate 6 upper ends, left side with connecting screw rod 10 in the fixing left side rotating shaft of rotating shaft; Connecting screw rod 10 is put into right side semicircle wiring clamping plate 9 upper end concave shape opening clamp 12 bayonet sockets in the rotating shaft on the left of semicircle wiring clamping plate 6 upper ends, left side are fixedly connected with left side connecting screw rod root rotating shaft 13; But turn connecting screw rod head end nut 11; The semicircle wiring clamping plate in left side 6, the semicircle wiring clamping plate 9 in right side are opened apart from dwindling, finally fixing electric-cable core 25.
The semicircle wiring clamping plate in left side 6, semicircle wiring clamping plate 9 outsides, right side are equipped with left side arc wiring card 7, right side arc wiring card 8, can high pressure withstand voltage test lead 29 be fixed on clamping plate left side arc wiring card 7, the right side arc wiring card 8.The withstand voltage test lead that high pressure withstand voltage test lead 29 other ends can pass insulator cap 30 head ends is connected with high pressure generator with test through hole 1.
The semicircle wiring clamping plate in binding clip left side 6, the semicircle wiring clamping plate 9 in right side; Left side arc wiring card 7, right side arc wiring card 8, semicircle clamping plate lower end connects rotating shaft 5, left side connecting screw rod root rotating shaft 13; Connecting screw rod 10 in the rotating shaft of left side; Connecting screw rod head end nut 11, concave shape opening clamp 12 is brass and is processed into.
The insulating support part: like Fig. 5, Fig. 6 and shown in Figure 7, its upper end of insulating support is a semicircular arc supporting base 14 in the general insulator cap device, during test, with installing being put on the semicircular arc supporting base 14 of insulating support 32 by the examination cable of general insulator cap 30.Semicircular arc supporting base 14 is the epoxy resin material.The support bar head end that supporting base standing screw 15 is fixed on support bar 17 upper ends is fixedly on the aluminum metal ring 16.Support bar 17 is the epoxy resin material.Support bar 17 bodies middle part is a support bar middle part aluminum metal ring 18, and support bar middle part aluminum metal ring 18 is located on support bar 17 bodies.Insulating support 32 lower ends are four scalable expansion feets 19.Four feet 19 upper ends are fixed on the support bar 17 bodies middle part aluminum metal ring 18 through feet upper end fixed rotating shaft bolt 22 respectively; Support bar middle part aluminum metal ring 18 slides up and down along support bar 17 bodies, drives feet telescopic moving about in the of 19.Support bar 17 bodies bottom is provided with fixedly aluminum becket 21.The support bar bottom fixedly is provided with fixedly aluminum metal ring stationary links rotating shaft bolt 23 of support bar bottom around the aluminum metal ring 21; Drive four connecting rods 20 and be connected with feet 19 bottoms through four feet bottom fixed rotating shaft bolts 24 respectively, fixedly aluminum metal ring stationary links rotating shaft bolt 23, feet bottom fixed rotating shaft bolt 24 realize that feet outwards stretches to drive fixed rotating shaft bolt 22, support bar bottom through support bar middle part aluminum metal ring 18.Feet 19 and be attached thereto connective pole 20 and be aluminum alloy material on the described insulating support.
Claims (7)
1.66kV cable voltage is tested general insulator cap, comprises insulator cap; It is characterized in that: also comprise binding clip (31); General insulator cap (30) is connected on the insulating support (32), and general insulator cap (30) is from being provided with successively by interior outward: external insulation layer contains insulation full skirt (2), screen layer and stressor layers (3) and insulator cap inwall (4); General insulator cap (30) head end is round plane, and hole (1) is passed through for the withstand voltage test lead in the head end center.
2. 66kV cable voltage according to claim 1 is tested general insulator cap, it is characterized in that: the equidistant successively from top to bottom eight class B insulation full skirts (2) that are evenly distributed with of the lateral wall of described general insulator cap (30); Insulator cap inwall (4) for outer wall be the concentric circles tapered cylinder, the diminishing from the bottom to top pyramidal structure of the internal diameter of insulator cap inwall (4).
3. 66kV cable voltage according to claim 1 is tested general insulator cap, it is characterized in that: the both sides of described binding clip (31) are respectively equipped with the semicircle wiring clamping plate (9) of left side semicircle wiring clamping plate (6) and right side; Two semicircle wiring clamping plate lower ends are connected by connecting rotating shaft (5); The semicircle wiring clamping plate in binding clip right side (9) upper end is a concave shape opening clamp (12), and concave shape opening clamp (12) is corresponding with connecting screw rod (10) in the rotating shaft of left side with the semicircle wiring clamping plate in left side (6) upper end.
4. 66kV cable voltage according to claim 3 is tested general insulator cap; It is characterized in that: the semicircle wiring clamping plate in described left side (6) upper end is fixedly connected connecting screw rod (10) in the rotating shaft of left side with left side connecting screw rod root rotating shaft (13), and connecting screw rod in the rotating shaft of left side (10) is provided with connecting screw rod head end nut (11).
5. 66kV cable voltage according to claim 3 is tested general insulator cap, it is characterized in that: the semicircle wiring clamping plate (6) in described left side, the semicircle wiring clamping plate in right side (9) outside are equipped with left side arc wiring card (7), right side arc wiring card (8).
6. 66kV cable voltage according to claim 1 is tested general insulator cap; It is characterized in that: described insulating support (32) upper end is provided with semicircular arc supporting base (14), and the support bar head end that semicircular arc supporting base (14) lower end is connected support bar (17) upper end is fixedly on the aluminum metal ring (16); Support bar middle part aluminum metal ring (18) is located on the support bar (17); Insulating support (32) lower end is provided with feet (19), and feet (19) one ends are connected on the support bar middle part aluminum metal ring (18); Support bar (17) bottom is provided with fixedly aluminum metal ring (21) of bottom, and bottom fixedly aluminum metal ring (21) connects connecting rod (20) all around through rotating shaft bolt (23), and the other end of connecting rod (20) is connected with feet (19) respectively.
7. 66kV cable voltage according to claim 6 is tested general insulator cap, it is characterized in that: described feet (19) is provided with four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220231042 CN202599981U (en) | 2012-05-22 | 2012-05-22 | General insulation cap for 66kV cable withstand voltage test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220231042 CN202599981U (en) | 2012-05-22 | 2012-05-22 | General insulation cap for 66kV cable withstand voltage test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202599981U true CN202599981U (en) | 2012-12-12 |
Family
ID=47317511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220231042 Expired - Lifetime CN202599981U (en) | 2012-05-22 | 2012-05-22 | General insulation cap for 66kV cable withstand voltage test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202599981U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102707096A (en) * | 2012-05-22 | 2012-10-03 | 辽宁省电力有限公司沈阳供电公司 | Universal insulation cap for voltage withstand test of 66kV cables |
| CN106199082A (en) * | 2016-08-26 | 2016-12-07 | 国网山东省电力公司威海供电公司 | Electric power on-pole switch pressure test insulating support |
-
2012
- 2012-05-22 CN CN 201220231042 patent/CN202599981U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102707096A (en) * | 2012-05-22 | 2012-10-03 | 辽宁省电力有限公司沈阳供电公司 | Universal insulation cap for voltage withstand test of 66kV cables |
| CN102707096B (en) * | 2012-05-22 | 2014-12-24 | 辽宁省电力有限公司沈阳供电公司 | Universal insulation cap for voltage withstand test of 66kV cables |
| CN106199082A (en) * | 2016-08-26 | 2016-12-07 | 国网山东省电力公司威海供电公司 | Electric power on-pole switch pressure test insulating support |
| CN106199082B (en) * | 2016-08-26 | 2023-08-18 | 国网山东省电力公司威海供电公司 | Insulating support for withstand voltage test of switch on power column |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE ELECTRIC NET CROP. Effective date: 20130116 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130116 Address after: 110811 eight Heping Street, 94 Heping Street, Liaoning, Shenyang Patentee after: Liaoning Shenyang Electric Power Supply Co., Ltd. Patentee after: State Grid Corporation of China Address before: 110811 eight Heping Street, 94 Heping Street, Liaoning, Shenyang Patentee before: Liaoning Shenyang Electric Power Supply Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121212 |