CN201408943Y - Insulated shielding cover external member for 10kV lightning protection column isolator - Google Patents
Insulated shielding cover external member for 10kV lightning protection column isolator Download PDFInfo
- Publication number
- CN201408943Y CN201408943Y CN2009200723382U CN200920072338U CN201408943Y CN 201408943 Y CN201408943 Y CN 201408943Y CN 2009200723382 U CN2009200723382 U CN 2009200723382U CN 200920072338 U CN200920072338 U CN 200920072338U CN 201408943 Y CN201408943 Y CN 201408943Y
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- China
- Prior art keywords
- lightning protection
- cover
- cage
- insulator
- protection pillar
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- 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.)
- Expired - Lifetime
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Abstract
The utility model relates to an insulated shielding cover external member for 10 kV lightning protection column isolator, which comprises a middle phase insulated shielding cover which covers on a middle phase lightning protection column isolator run-on plate and two side phase insulated shielding covers which cover on a side phase lightning protection column isolator run-on plate, wherein the twoside phase insulated shielding covers are the structures which are symmetrical left and right. The insulated shielding cover external member of the utility model has harder material quality, is not easy to damage, has smooth surface, is easy to check, is convenient to install, has high insulation strength which reaches 45 kV*min, the shape thereof is matched with a 10 kV column isolator, is flexibly changed according to actual line devices. The insulated shielding cover external member can effectively increase the distance to an earthing part, has high safety coefficients, and can guarantee the safety of people and devices.
Description
Technical field
The utility model relates to a kind of distribution line live working insulation shading tool, relates in particular to a kind of insulation cage external member of the 10kV of being used for lightning protection pillar insulator.
Background technology
When carrying out the relevant live line working of lightning protection pillar insulator, the lightning protection pillar insulator height has only 348mm, minimum range between run-on tab and the discharge ring is 145mm, can not satisfy to keep the 0.4m safe distance over the ground at least when live line working, therefore need take the quarantine measures that insulate.The means of taking generally are at lightning protection pillar insulator and cross-arm place bag empire cloth.
Because empire cloth is soft shading tool, and is easy to carry, highly versatile, but dielectric strength is low, have only 20kV*min, fragile, and be difficult for discovering after damaging, action is loaded down with trivial details when carrying out masking work with empire cloth, need clamp, operating personnel and electrified body close together, coefficient of safety is lower.
Summary of the invention
The purpose of this utility model provides a kind of insulation cage external member of the 10kV of being used for lightning protection pillar insulator exactly in order to address the above problem, lightning protection pillar insulator is isolated in insulation when live line working, has guaranteed operating personnel's safety.
The purpose of this utility model is achieved in that
The utility model discloses a kind of insulation cage external member of the 10kV of being used for lightning protection pillar insulator, described lightning protection pillar comprises electric pole, is located at cross-arm and three lightning protection pillar insulators of being located on the cross-arm on electric pole top, described lightning protection pillar insulator comprises run-on tab, comprise one cover in phase lightning protection pillar insulator run-on tab in the cage that insulate mutually cover in the limit limit of the lightning protection pillar insulator run-on tab cage that insulate mutually mutually with two, insulate the mutually structure of cage of described two limits is a left-right symmetric;
In the above-mentioned insulation cage external member that is used for the 10kV lightning protection pillar insulator, in the cage that insulate mutually comprise electric pole cover and insulator cover, described electric pole cover is the half-cylindrical cover body of lower ending opening, cover in the top of electric pole, its both sides, lower end have the notch that is complementary with cross-arm, this notch plays firm electric pole cover and isolates the effect of cross-arm on cross-arm, one side of end face is provided with baffle plate, described insulator cover is the cuboid cover body of a bottom surface and one side lateral opening, the one side is shorter than opposite side, frame is in electric pole cover end face, and fixed by the screens of described electric pole cover baffle plate, described insulator cover top has U type groove, also is provided with a rotatable slide plate, described slide plate, rotates described slide plate and clamps middle phase lightning protection pillar insulator in insulator cover top by screw;
In the above-mentioned insulation cage external member that is used for the 10kV lightning protection pillar insulator, the limit cage that insulate mutually is that the top has and the be complementary cuboid cover body of hole slot, bottom end opening of lightning protection pillar insulator, comprise body and lateral body, described body top is provided with draw-in groove and U type groove, described lateral body top has the U type groove that is complementary with described body draw-in groove, the U type groove of described lateral body inserts described draw-in groove and forms the complete limit cage that insulate mutually, and the U type groove of the U type groove of body and lateral body intersects to form described hole slot mutually.
In the above-mentioned insulation cage external member that is used for the 10kV lightning protection pillar insulator, insulate a mutually side of cage lateral body of described limit also is provided with the leader.
In the above-mentioned insulation cage external member that is used for the 10kV lightning protection pillar insulator, described insulation cage external member all adopts calcium to mould the polypropylene stripper plate and makes.
The utlity model has following characteristics: the utility model insulation cage external member quality is harder, not fragile, smooth surface, be easy to check, easy for installation, the dielectric strength height, reach 45kV*min, shape and lightning protection pillar insulator are complementary, and change flexibly according to the actual track device.Use the utility model insulation cage external member coefficient of safety height, can guarantee personnel, device security.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is insulate the mutually body construction schematic diagram of cage of limit;
Fig. 3 is insulate the mutually lateral body structural representation of cage of limit;
Insulate mutually in the being electric pole cover structure schematic diagram of cage of Fig. 4;
Insulate mutually in the being insulator cover structure schematic diagram of cage of Fig. 5.
Embodiment
Referring to Fig. 1 to Fig. 5, the utility model is used for the insulation cage external member of 10kV lightning protection pillar insulator, lightning protection pillar comprises electric pole 6, be located at cross-arm 5 and three lightning protection pillar insulators of being located on the cross-arm 5 on electric pole 6 tops, in the middle of being located at is middle phase lightning protection pillar insulator 41, what be located at both sides is limit phase lightning protection pillar insulator 42, described lightning protection pillar insulator includes run-on tab 7, this insulation cage external member comprise one cover in phase lightning protection pillar insulator run-on tab in the cage 3 that insulate mutually cover in the limit limit of lightning protection pillar insulator run-on tab cage (left side) 1 and the limit cage (right side) 2 that insulate mutually that insulate mutually mutually with two, described limit cage (left side) 1 and the limit cage (right side) 2 that insulate mutually that insulate mutually is the left-right symmetric structure.
In the above-mentioned insulation cage external member that is used for the 10kV lightning protection pillar insulator, in the cage 3 that insulate mutually form by electric pole cover 31 and insulator cover 32, described electric pole cover 31 is the half-cylindrical cover body of lower ending opening, cover in the top of lightning protection pillar 6, its both sides, lower end have the notch 33 that is complementary with cross-arm 5, this notch 33 collapses on cross-arm 5, one side on electric pole cover 31 tops has baffle plate 38, described insulator cover 32 is the cuboid cover body of bottom surface and one side lateral opening, the one side is shorter than opposite side, this shorter side is supported on the end face of electric pole cover 31, and fixed by 38 screens of the baffle plate on the electric pole cover 31, insulator cover 32 tops also have U type groove 34, and be provided with a rotatable slide plate 36, described slide plate 36 is fixed in insulator cover 32 tops by screw 35, and described slide plate 36 can be around screw 35 rotations, and rotary slide sheet 35 is clamped limit phase lightning protection pillar insulator 42; During operation, the top and the notch 33 that earlier electric pole cover 31 are covered in lightning protection pillar 6 are stuck on the cross-arm 5, subsequently insulator cover 32 is inserted along the cross-arm direction, the short side of this insulator cover 32 snaps in baffle plate 38 places of electric pole cover 31, after treating middle phase insulator 41 placed U type groove 34, phase lightning protection pillar insulator 42 was a complete operation during rotary slide sheet 36 was clamped.
In the above-mentioned insulation cage external member that is used for the 10kV lightning protection pillar insulator, the limit cage 1 that insulate mutually has and the lightning protection pillar insulator hole slot that is complementary for end face, the cuboid cover body of bottom end opening, comprise body 11 and lateral body 12, described body 11 is the cuboid of a bottom surface and a lateral opening, top end face is provided with draw-in groove 14 and U type groove 13, described lateral body 12 tops have the U type groove 15 that is complementary with described body draw-in groove 14, the draw-in groove 14 that the U type groove 15 of described lateral body 12 inserts bodies 11 forms the complete limit cage 42 that insulate mutually, and the U type groove 13 of body 11 intersects to form described lightning protection pillar insulator hole slot mutually with the U type groove 15 of lateral body 12; During operation, with the notch of the U type groove 13 of body 11 facing to limit phase lightning protection pillar insulator 42, insert along the cross-arm direction, when treating that limit phase lightning protection pillar insulator 42 places U type groove 13 bottoms, the handle 16 of holding lateral body 12 1 sides with the notch of the U type groove 15 of lateral body 12 facing to limit phase lightning protection pillar insulator 42 and insert, snap in the draw-in groove 14 on the body 11 complete operation when treating that limit phase lightning protection pillar insulator 42 places U type groove 15 bottoms simultaneously.
Above embodiment is only for the usefulness that the utility model is described, but not to restriction of the present utility model, person skilled in the relevant technique, under the situation that does not break away from spirit and scope of the present utility model, can also make various conversion or modification, therefore all technical schemes that are equal to also should belong to category of the present utility model, should be limited by each claim.
Claims (3)
1. insulation cage external member that is used for the 10kV lightning protection pillar insulator, described lightning protection pillar comprises electric pole, is located at cross-arm and three lightning protection pillar insulators of being located on the cross-arm on electric pole top, described lightning protection pillar insulator comprises run-on tab, it is characterized in that, this external member comprise one cover in phase lightning protection pillar insulator run-on tab in the cage that insulate mutually cover in the limit limit of the lightning protection pillar insulator run-on tab cage that insulate mutually mutually with two, insulate the mutually structure of cage of described two limits is a left-right symmetric;
The cage that insulate mutually in described comprises electric pole cover and insulator cover, and the main body of described electric pole cover is the semicylinder cover body, and column side face stretches out and has the notch that is complementary with cross-arm, and a side of end face is provided with baffle plate; The cuboid cover body that described insulator cover is bottom surface and lateral opening, the one side is shorter than opposite side, can be supported in and be combined to form the cage that insulate mutually in described on the end face of described electric pole cover, described insulator cover top also has U type groove, and be provided with a rotatable slide plate, described slide plate, rotates described slide plate and clamps limit phase lightning protection pillar insulator in insulator cover top by screw;
The described limit cage that insulate mutually is the cuboid cover body of bottom surface opening, form by body and lateral body, the end face of described lateral body has U type groove, described body end face has U type groove and draw-in groove, described lateral body is formed the described limit cage that insulate mutually by the draw-in groove that inserts described body end face, and the U type groove of the U type groove of body and lateral body intersects to form the hole slot that is complementary with lightning protection pillar insulator mutually.
2. the insulation cage external member that is used for the 10kV lightning protection pillar insulator as claimed in claim 1 is characterized in that, insulate mutually and also be provided with the leader on the side of cage in described limit.
3. the insulation cage external member that is used for the 10kV lightning protection pillar insulator as claimed in claim 1 or 2 is characterized in that, described insulation cage external member adopts calcium to mould the polypropylene stripper plate and makes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200723382U CN201408943Y (en) | 2009-05-15 | 2009-05-15 | Insulated shielding cover external member for 10kV lightning protection column isolator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200723382U CN201408943Y (en) | 2009-05-15 | 2009-05-15 | Insulated shielding cover external member for 10kV lightning protection column isolator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201408943Y true CN201408943Y (en) | 2010-02-17 |
Family
ID=41679890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200723382U Expired - Lifetime CN201408943Y (en) | 2009-05-15 | 2009-05-15 | Insulated shielding cover external member for 10kV lightning protection column isolator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201408943Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103427363A (en) * | 2013-07-20 | 2013-12-04 | 国家电网公司 | Hard combined shielding cover for electrified on-off straight pole |
| CN103840395A (en) * | 2013-12-13 | 2014-06-04 | 国家电网公司 | Insulator shielding cover |
| CN108963861A (en) * | 2018-07-20 | 2018-12-07 | 国网江苏省电力有限公司常州供电分公司 | A kind of cross arm shielding cover |
| CN112636251A (en) * | 2020-12-31 | 2021-04-09 | 上海东捷建设(集团)有限公司第五分公司 | Method for changing 10kV straight pole into sectional pole in live mode |
-
2009
- 2009-05-15 CN CN2009200723382U patent/CN201408943Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103427363A (en) * | 2013-07-20 | 2013-12-04 | 国家电网公司 | Hard combined shielding cover for electrified on-off straight pole |
| CN103427363B (en) * | 2013-07-20 | 2016-12-28 | 国家电网公司 | Charged cut-off straight line pole hard combined shielding cover |
| CN103840395A (en) * | 2013-12-13 | 2014-06-04 | 国家电网公司 | Insulator shielding cover |
| CN103840395B (en) * | 2013-12-13 | 2016-10-26 | 国家电网公司 | Insulator mask |
| CN108963861A (en) * | 2018-07-20 | 2018-12-07 | 国网江苏省电力有限公司常州供电分公司 | A kind of cross arm shielding cover |
| CN112636251A (en) * | 2020-12-31 | 2021-04-09 | 上海东捷建设(集团)有限公司第五分公司 | Method for changing 10kV straight pole into sectional pole in live mode |
| CN112636251B (en) * | 2020-12-31 | 2022-07-19 | 上海东捷建设(集团)有限公司第五分公司 | Method for changing 10kV straight pole into sectional pole in live mode |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100217 |
|
| CX01 | Expiry of patent term |