CN201725643U - Equalizing ring - Google Patents
Equalizing ring Download PDFInfo
- Publication number
- CN201725643U CN201725643U CN2010201266315U CN201020126631U CN201725643U CN 201725643 U CN201725643 U CN 201725643U CN 2010201266315 U CN2010201266315 U CN 2010201266315U CN 201020126631 U CN201020126631 U CN 201020126631U CN 201725643 U CN201725643 U CN 201725643U
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- grading ring
- ring
- ring body
- grading
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
An equalizing ring comprises a ring body, a drainage connecting rod connected with the ring body, and two connecting plates, wherein the connecting plates are used for arranging the drainage connecting rod and arranged on the same side of the ring body in a staggered manner; two connecting ends as well as two lug bosses respectively arranged on the connecting ends are respectively arranged at two ends of the drainage connecting rod; the connecting ends are used for connecting the connecting plates; and the lug bosses are arranged opposite to the connecting plates. As one lug boss is arranged on one side of each connecting end of the drainage connecting rod, the utility model has the advantage that the drainage connecting rod can be mounted on the connecting plates arranged on the ring body easily through the only one method, so that the drainage connecting rod cannot be mounted reversely to achieve the purpose of convenient mounting.
Description
Technical field
The utility model relates to a kind of power equipment device annex, particularly a kind of grading ring that can be used for anti-bird pest and ice and snow.
Background technology
Usually can use line insulator to support transmission pressure in the overhead transmission line, line insulator is fixed on transmission pressure on the shaft tower with the gold utensil combination, and lead is reliably insulated with shaft tower.The line insulator direct-to-ground capacitance is little, therefore can cause the voltage skewness on the insulator, will cause internal field to concentrate like this, makes it that flashover fault easily take place.Be generally and solved this arcing fault; can load onto grading ring in the one or both ends of line insulator; just can greatly improve the distribution of its electric field strength; also play the effect of " striking " simultaneously; arc duration is shortened; discharge occurs between ring or ring and the metal termination, is not burnt and flashover takes place in protection full skirt surface.
General grading ring comprises a ring body, and two drainage type connecting rods that are connected with mutually with ring body.These two drainage type connecting rods are structurally basic identical.Though the drainage type connecting rod adopts essentially identical structure, the compatibility and the interchangeability of this drainage type connecting rod have been increased, if but the drainage type connecting rod does not have structural condition restriction with cooperating of ring body, easily because of work carelessness or on request that drainage type connecting rod dress is not anti-, thereby the increase installation work-hour increases manufacturing cost.
Summary of the invention
In view of this, be necessary to provide a kind of reasonable in design, grading ring easy for installation.
A kind of grading ring, it comprises a ring body, a drainage type connecting rod that is connected with this ring body, and two connecting plates that are used to that described drainage type connecting rod is set and are arranged at this ring body homonymy.This connecting plate shifts to install on ring body.The two ends of described drainage type connecting rod comprise that respectively is used for a link that is connected with described connecting plate, and a boss that is arranged on the described link, and this boss and connecting plate are oppositely arranged.
Compared with prior art, one side of the link of the drainage type connecting rod of grading ring provided by the utility model is provided with boss, make this drainage type connecting rod can only have a kind of mode more to be easily mounted on the connecting plate that is provided with on the ring body, thereby can prevent from its dress instead to reach convenient purpose of installing.
Description of drawings
The structural representation of a kind of grading ring that Fig. 1 provides for the utility model.
Fig. 2 is the partial enlarged drawing in the grading ring among Fig. 1.
Fig. 3 is ring body in the grading ring among Fig. 1 and the bird-proof cover cutaway view along the III-III line.
Fig. 4 is the structural representation of the drainage type connecting rod in the grading ring among Fig. 1.
Embodiment
For the utility model being done further explanation, lift a preferred embodiment and conjunction with figs. and be described in detail as follows:
See also Fig. 1, Fig. 2 and Fig. 3, be the structural representation of a kind of grading ring 100 provided by the utility model.This grading ring 100 comprises 10, one drainage type connecting rods 11 that are connected with this ring body 10 of a ring body, and two connecting plates 12 that are used to that described drainage type connecting rod 11 is set and are arranged at these ring body 10 homonymies.
Described ring body 10 is prepared by aluminium.When described grading ring 100 is applied on the insulator of low-voltage grade, can use the becket of C type or arc, promptly this ring body 10 cross section radially is C type or arc.When described grading ring 100 is applied on the insulator of voltage levels, can use the becket of full circle shape, promptly this ring body 10 cross section radially is circular.In the present embodiment, described ring body 10 is a kind of full circle type aluminium ring.
Described two connecting plates 12 can also can be arranged on the ring body 10 by methods such as welding by being shaped on the ring body 10.In the present embodiment, described connecting plate 12 is connected with on ring body 10 by welding method.Described two connecting plates 12 shift to install on ring body 10, and preferably, described two connecting plates 12 are along a diameter setting of ring body 10 and be separately positioned on the both sides of this diameter.Described each connecting plate 12 comprises a through hole 121, and preferably, the central axis of this through hole 121 is perpendicular to the diameter of ring body 10.
Described grading ring 100 also comprises a connector 13.This connector 13 is arranged in the through hole 121 of connecting plate 12, is used for this connecting plate 12 and drainage type connecting rod 11 are linked together.This connector 13 can be bolt, screw, or other forms of workpiece, as pin.
See also Fig. 4, described drainage type connecting rod 11 comprises a head rod 111 and second connecting rod 112 that is connected with these head rod 111 splits.The structure and the function of described first, second connecting rod 111,112 are basic identical, in the present embodiment, only are structure and the function that example illustrates described first, second connecting rod 111,112 with the head rod.Described head rod 111 comprises that 113, one of a link that are arranged at the one end is arranged at the boss 114 of described link 113 1 sides, and an obvolvent portion 115 that is arranged at its other end.Described link 113 is used for being equipped with connecting plate 12, and therefore, this link 113 also is provided with a through hole 116 that matches with through hole 121 on the connecting plate 12.The cross sections of described boss 114 is one trapezoidal, and itself and connecting plate 12 are oppositely arranged.What can expect is, also is provided with a through hole (indicating) on this boss 114, is used for through hole 121 with the connecting plate 12 described drainage type connecting rod 11 that is connected.When described connector 13 was screw or bolt, the through hole that is provided with on the described boss 114 was a screwed hole that matches with this screw or bolt.Described obvolvent portion 115 is used for fixing described grading ring 100.This obvolvent portion 115 is fixed on the gold utensil on the line insulator (figure does not show).The shape of this obvolvent portion 115 matches with the outline of gold utensil.In the present embodiment, described obvolvent portion 115 is an arc-shaped structure, and the radius of curvature of this circular arc is suitable with the radius of gold utensil.In order to increase obvolvent portion 115 and gold utensil reliability of fixation, total arc length of two obvolvent portions of described first, second connecting rod 111,112 is less than the circumference of gold utensil, thereby make when being fixed on the gold utensil in two obvolvent portions with first, second connecting rod 111,112, leave 2~3 mm clearance between these two obvolvent portions, be beneficial to further adjustment.Be understandable that two obvolvent portions of described first, second drainage type connecting rod 111,112 can pass through connector lockings such as screw, bolt or pin.For further fixing described grading ring 100 and guarantee that the cover that this grading ring 100 is located on the described gold utensil goes into the degree of depth, also be provided with a location notch 117 that matches with locating ring (scheming not show) on the gold utensil on the madial wall of described obvolvent portion 115.
Described grading ring 100 also comprises a bird-proof cover 14.See also Fig. 3, this bird-proof cover 14 is a truncated cone cover body that is stamped to form by aluminium sheet.The frustum portion of this bird-proof cover 14 has a through hole 141, and basal part links to each other with ring body 10.Described bird-proof cover 14 can weld together by basal part and the ring body 10 of welding manner with this bird-proof cover 14, thereby fixes this bird-proof cover 14.The through hole 141 that described frustum portion offers is used to pass the gold utensil of described line insulator.This bird-proof cover 14 can prevent that small bird from standing in to gnaw on the end full skirt of line insulator and peck this full skirt, can also prevent that birds droppings from dropping on the insulator simultaneously, thereby protect this full skirt.This bird-proof cover 14 can also prevent that ice and snow from dropping on the end full skirt of this insulator simultaneously, reduces the generation of transmission of electricity accident.
With technology arranged now compare, one side of the link of the drainage type connecting rod of grading ring provided by the utility model is provided with boss, make this drainage type connecting rod can only have a kind of mode more to be easily mounted on the connecting plate that is provided with on the ring body, thereby can prevent from its dress instead to reach convenient purpose of installing.
In addition, those skilled in the art can also do other variation in the utility model spirit, as long as it does not depart from technique effect of the present utility model, all should be included in the utility model scope required for protection.
Claims (10)
1. grading ring, it comprises a ring body, a drainage type connecting rod that is connected with this ring body, and two connecting plates that are used to connect described drainage type connecting rod and are arranged at this ring body homonymy, it is characterized in that: this connecting plate shifts to install on ring body, the two ends of described drainage type connecting rod comprise that respectively is used for a link that is connected with described connecting plate, and a boss that is arranged on the described link, and this boss and connecting plate are oppositely arranged.
2. grading ring as claimed in claim 1 is characterized in that: described ring body is formed by the aluminium casting, and its cross section is a kind of of arc and full circle shape.
3. grading ring as claimed in claim 1, it is characterized in that: described grading ring also comprises two connectors that are used to connect the link of connecting plate and drainage type connecting rod, described connecting plate all is provided with the through hole that is used to wear described connector on link and the boss.
4. grading ring as claimed in claim 3 is characterized in that: described connector is a bolt, and described boss is provided with and is used for the screwed hole that spiral shell is established this bolt.
5. grading ring as claimed in claim 1 is characterized in that: described two connecting plates are along a diameter setting, and are separately positioned on the both sides of this diameter.
6. grading ring as claimed in claim 1 is characterized in that: described grading ring also comprises a bird-proof cover, and this bird-proof cover links to each other with ring body.
7. grading ring as claimed in claim 6 is characterized in that: described bird-proof cover is a kind of truncated cone cover body that is stamped to form by aluminium sheet, and the frustum portion of this bird-proof cover has a through hole, and basal part links to each other with ring body.
8. grading ring as claimed in claim 1 is characterized in that: described drainage type connecting rod comprises a head rod and second connecting rod that is connected with the head rod split, and an end of described first, second connecting rod comprises an obvolvent portion respectively.
9. grading ring as claimed in claim 8, it is characterized in that: described grading ring is installed on the gold utensil of insulator, the radius of curvature of described obvolvent portion equals the radius of the gold utensil that clamped, and total arc length of two obvolvent portions of first, second connecting rod is less than the circumference of gold utensil.
10. grading ring as claimed in claim 8 is characterized in that: the madial wall of described obvolvent portion also is provided with a location notch, is used to cooperate the installation site of gold utensil with the location grading ring.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010201266315U CN201725643U (en) | 2010-01-30 | 2010-01-30 | Equalizing ring |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010201266315U CN201725643U (en) | 2010-01-30 | 2010-01-30 | Equalizing ring |
Publications (1)
Publication Number | Publication Date |
---|---|
CN201725643U true CN201725643U (en) | 2011-01-26 |
Family
ID=43493991
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2010201266315U Expired - Fee Related CN201725643U (en) | 2010-01-30 | 2010-01-30 | Equalizing ring |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN201725643U (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103093905A (en) * | 2013-03-01 | 2013-05-08 | 湖南省电力公司科学研究院 | Anti-icing voltage-sharing plate |
CN103177831A (en) * | 2013-03-19 | 2013-06-26 | 国家电网公司 | Full-range discharge ring |
CN103177824A (en) * | 2013-03-19 | 2013-06-26 | 国家电网公司 | Lightning protection insulator for 10KV tension rods |
CN103187129A (en) * | 2013-03-01 | 2013-07-03 | 湖南省电力公司科学研究院 | Anti-icing voltage-sharing plate |
CN105098619A (en) * | 2015-08-28 | 2015-11-25 | 国家电网公司 | Basin-shaped bird-prevention isolator for 500kV arrester of substation |
CN105957659A (en) * | 2016-07-14 | 2016-09-21 | 国家电网公司 | Grading ring |
CN106771395A (en) * | 2016-12-17 | 2017-05-31 | 三峡大学 | A kind of grading ring of the embedded coil of transmission line of electricity |
CN107393661A (en) * | 2017-07-25 | 2017-11-24 | 江苏祥源电气设备有限公司 | A kind of anti-bird pest grading ring of composite insulator |
-
2010
- 2010-01-30 CN CN2010201266315U patent/CN201725643U/en not_active Expired - Fee Related
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103093905A (en) * | 2013-03-01 | 2013-05-08 | 湖南省电力公司科学研究院 | Anti-icing voltage-sharing plate |
CN103187129A (en) * | 2013-03-01 | 2013-07-03 | 湖南省电力公司科学研究院 | Anti-icing voltage-sharing plate |
CN103187129B (en) * | 2013-03-01 | 2016-02-24 | 湖南省电力公司科学研究院 | Ice-covering-proof equal platen |
CN103177831A (en) * | 2013-03-19 | 2013-06-26 | 国家电网公司 | Full-range discharge ring |
CN103177824A (en) * | 2013-03-19 | 2013-06-26 | 国家电网公司 | Lightning protection insulator for 10KV tension rods |
CN103177824B (en) * | 2013-03-19 | 2016-08-03 | 国家电网公司 | 10KV tension-resistant rod anti-thunder insulator |
CN105098619A (en) * | 2015-08-28 | 2015-11-25 | 国家电网公司 | Basin-shaped bird-prevention isolator for 500kV arrester of substation |
CN105957659A (en) * | 2016-07-14 | 2016-09-21 | 国家电网公司 | Grading ring |
CN106771395A (en) * | 2016-12-17 | 2017-05-31 | 三峡大学 | A kind of grading ring of the embedded coil of transmission line of electricity |
CN107393661A (en) * | 2017-07-25 | 2017-11-24 | 江苏祥源电气设备有限公司 | A kind of anti-bird pest grading ring of composite insulator |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN201725643U (en) | Equalizing ring | |
CN202178122U (en) | Bird's droppings proofing grading ring | |
CN201478768U (en) | Adjustable clearance lightning protection device for a distribution line of a power system | |
CN202142824U (en) | Bird-preventing position occupier for transmission line | |
CN201663385U (en) | Near-electricity working tool used for arranging bird driving device | |
CN202395408U (en) | Adjustable gap lightning protection device used for electric power system power transmission line | |
CN201000800Y (en) | External air gap zinc oxide lightning arrester and its installation apparatus for power transmission line | |
RU2508583C1 (en) | Supporting clamp | |
CN105386943A (en) | Wind driven generator blade point lightning protection device | |
CN110848096B (en) | Lightning protection lightning receiving device, fan blade and wind generating set | |
CN204680493U (en) | Insulator lightning protection system | |
CN103872635B (en) | Aerial high-voltage power transmission line lightning protection structure | |
CN203434571U (en) | Novel butt-joint anti-bird cover for high-voltage transmission line | |
CN204205093U (en) | Electricity testing grounding ring | |
CN103579981A (en) | Novel butting type bird resisting cover for high-voltage transmission line | |
CN104517692B (en) | Parallel gap lightning protection device | |
CN203103029U (en) | Insulator string connector for transmission line | |
CN105070427A (en) | Cross arm support voltage limiter for overhead line | |
CN210156182U (en) | Ground wire composite insulator with electrode positioning structure | |
CN104022444A (en) | Rod-shaped suspended voltage limiter for overhead line | |
CN106558376B (en) | V-shaped double-linked single-hanging-point four-split hanging string | |
CN2572632Y (en) | Bird-resistant pin for high voltage transmission line | |
CN206210492U (en) | Arcing horn and parallel connection clearance device | |
CN206574879U (en) | A kind of diplopore threading tubular type parallel groove clamp | |
CN105610050A (en) | Continuous adjustable universal lightning protection apparatus equipped with parallel gaps |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110126 Termination date: 20120130 |