CN203673898U - Suspension insulator string for extra-high-voltage alternating current circuit - Google Patents
Suspension insulator string for extra-high-voltage alternating current circuit Download PDFInfo
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- CN203673898U CN203673898U CN201320793411.1U CN201320793411U CN203673898U CN 203673898 U CN203673898 U CN 203673898U CN 201320793411 U CN201320793411 U CN 201320793411U CN 203673898 U CN203673898 U CN 203673898U
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- suspension
- grading ring
- yoke plate
- plate
- insulator
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- 239000000725 suspension Substances 0.000 title claims abstract description 144
- 239000012212 insulator Substances 0.000 title claims abstract description 118
- 238000002955 isolation Methods 0.000 claims description 32
- 239000002131 composite material Substances 0.000 claims description 13
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 11
- 239000010931 gold Substances 0.000 claims description 11
- 229910052737 gold Inorganic materials 0.000 claims description 11
- 239000011521 glass Substances 0.000 claims description 3
- 229910052573 porcelain Inorganic materials 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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Abstract
The utility mode discloses a suspension insulator string for an extra-high-voltage alternating current circuit. The suspension insulator string for the extra-high-voltage alternating current circuit comprises four suspension insulators which are connected in parallel and are distributed in a rectangular array mode, wherein every two suspension insulators distributed in the direction perpendicular to a guide line form a transverse insulator set, the two suspension insulators of each transverse insulator set are connected through a yoke plate, and the lower portion of each transverse insulator set is connected with a suspension clamp assembly. According to the suspension insulator string, the four insulators which are connected in parallel and are distributed in the rectangular array mode are adopted, every two suspension insulators arranged in the transverse direction are connected through one yoke plate and bear one suspension clamp assembly together, and therefore the guide line is borne by the four insulators, two hanging points and two guide line bearing points are provided, and compared with the mode that a guide line is borne only by two insulators and one bearing point in the prior art, the suspension insulator string has the advantages that the bearing capacity is improved and the use demands of the extra-high-voltage alternating current circuit are met.
Description
Technical field
The utility model relates to electric power project engineering field, particularly a kind of extra-high-voltage alternating current suspension insulator.
Background technology
In order to meet the requirement of socio-economic development to net capacity and reliability, developing UHV AC power transmission circuit has become a main trend of power grid construction.Suspension insulator is one of key equipment in transmission line, for hanging wire, and makes wire and shaft tower and the earth insulation.
In existing extra-high voltage AC circuit, conventionally adopt duplex I type insulator string, adopt two suspension insulators to be arranged side by side successively along line direction, lower end couples together by yoke plate, hangs wire, still by single wire clamp, due to power channel anxiety, force newly-built circuit to adopt common-tower double-return mode, through economic technology comparison, the circuit recommendation of extra-high-voltage alternating current common-tower double-return adopts 8 × 630mm more
2(eight divisions, sectional area of wire 630mm
2) above wire, wire vertical load is large; And, due to orographic condition worse and worse, cause shaft tower ranking to have to adopt the stringing form of large span, the large discrepancy in elevation, further strengthened the vertical load of insulator string; In addition, at a high speed, the important scissors crossing such as railway requires high to the margin of safety nargin of insulator string.Based on above situation, the load intensity of existing duplex I type insulator string cannot meet requirement of engineering.
In sum, how improving the weight bearing power of insulator string, is those skilled in the art's problem demanding prompt solutions.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of extra-high voltage AC circuit suspension insulator, to improve weight bearing power, meets requirement of engineering.
For achieving the above object, the utility model provides following technical scheme:
A kind of extra-high voltage AC circuit suspension insulator, comprises four suspension insulators of parallel connection and rectangular array arrangement;
Along a lateral isolation subgroup of every two described suspension insulators composition of arranging perpendicular to wire direction, and two suspension insulators in each described lateral isolation subgroup connect by yoke plate;
Described in every group, the below of lateral isolation subgroup all connects one group of suspension clamp assembly.
Preferably, in above-mentioned suspension insulator, described yoke plate comprises upper connective plate and lower linking plate;
Described upper connective plate is connected with the upper end of described lateral isolation subgroup with ball-eye by right angle link plate, and described upper connective plate is connected with company tower gold utensil by two right angle link plates that are hinged;
Described lower linking plate is connected with the lower end of described lateral isolation subgroup by socket-clevis eye, and described lower linking plate is connected by two right angle link plates that are hinged with described suspension clamp assembly.
Preferably, in above-mentioned suspension insulator, the low-pressure end of described suspension insulator is provided with the first grading ring;
The high-pressure side of described suspension insulator is provided with the second grading ring;
Each described lateral isolation subgroup shares the 3rd grading ring, and described the 3rd grading ring is between described the first grading ring and described the second grading ring;
Described the first grading ring and the second grading ring are annular grading ring, and the diameter of the first grading ring is less than the diameter of the second grading ring;
Described the 3rd grading ring is racetrack grading ring, and the width of described the 3rd grading ring is greater than the diameter of the second grading ring.
Preferably, in above-mentioned suspension insulator, the width of described the 3rd grading ring is 910mm～930mm, and the length of described the 3rd grading ring is 1500mm～1540mm.
Preferably, in above-mentioned suspension insulator, the distance along wire direction between two described lateral isolation subgroups is at least 1400mm, and the distance between two suspension insulators in each described lateral isolation subgroup is at least 600mm.
Preferably, in above-mentioned suspension insulator, described suspension clamp assembly comprises division yoke plate and suspension clamp, and described suspension clamp is arranged on described division yoke plate.
Preferably, in above-mentioned suspension insulator, described division yoke plate is eight division yoke plates, and is composite type division yoke plate.
Preferably, in above-mentioned suspension insulator, described suspension clamp is handbag type suspension clamp, and the maximum angle of the one-sided blade outlet angle of described handbag type suspension clamp is 25 °.
Preferably, in above-mentioned suspension insulator, described composite type division yoke plate comprises division yoke plate and lower division yoke plate, between described upper division yoke plate and described lower division yoke plate, is connected with a prolongation ring by two U-shaped links;
Described handbag type suspension clamp is connected on described composite type division yoke plate by UB link plate.
Preferably, in above-mentioned suspension insulator, described suspension insulator is composite insulator, porcelain insulator or glass insulator.
Compared with prior art, the beneficial effects of the utility model are:
The extra-high voltage AC circuit that the utility model provides is with in suspension insulator, adopt four insulators of rectangular array arrangement in parallel, form one group of lateral isolation subgroup along two suspension insulators of arranging perpendicular to wire direction, this lateral isolation subgroup is connected by yoke plate, thereby carry one group of suspension clamp assembly by two suspension insulators, have two groups of lateral isolation subgroups and two groups of suspension clamp assemblies, therefore, by four insulator carrying wires, and there are two hanging points and two wires carry points, compared with a bearing point carrying wire by two insulators with of the prior art, improve the bearing capacity of suspension insulator, meet the user demand of extra-high voltage AC circuit.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or scheme of the prior art, to accompanying drawing that describe required use in embodiment or prior art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those skilled in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
A kind of extra-high voltage AC circuit that Fig. 1 provides for the utility model embodiment structural representation of suspension insulator;
Fig. 2 is the end view of Fig. 1.
In above-mentioned Fig. 1 and Fig. 2, even tower gold utensil 1, right angle link plate 2, yoke plate 3, socket-clevis eye 4, the second grading ring 5, suspension insulator 6, the 3rd grading ring 7, the first grading ring 8, suspension clamp assembly 9, division yoke plate 91, upper division yoke plate 911, lower division yoke plate 912, suspension clamp 92, ball-eye 10, U-shaped link 11, prolongation ring 12, UB link plate 13, preformed armor rods protect lines 14.
Embodiment
The utility model provides a kind of extra-high voltage AC circuit suspension insulator, has improved the ability of its load wire, has met the needs of extra-high voltage AC circuit engineering.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only a part of embodiment of the present utility model, rather than whole embodiment.Based on embodiment of the present utility model, all other embodiment that those of ordinary skills obtain under the prerequisite of not making creative work, belong to the scope that the utility model is protected.
Please refer to Fig. 1 and Fig. 2, a kind of extra-high voltage AC circuit that Fig. 1 provides for the utility model embodiment structural representation of suspension insulator; Fig. 2 is the end view of Fig. 1.
The utility model embodiment provides a kind of extra-high voltage AC circuit suspension insulator, hereinafter to be referred as suspension insulator, comprises four suspension insulators 6, suspension clamp assembly 9, grading ring and line hardware; Wherein, four suspension insulator 6 parallel connection and rectangular array arrangements, four suspension insulators 6 lay respectively at four jiaos of rectangle, along be parallel to arrange and edge perpendicular to wire direction arrange respectively by wire direction for adjacent two suspension insulators 6, the direction parallel with wire direction is that longitudinally the direction vertical with wire direction is horizontal; Form a lateral isolation subgroup along every two suspension insulators 6 of arranging perpendicular to guide direction, form altogether two lateral isolation subgroups, two suspension insulators 6 in each lateral isolation subgroup connect by yoke plate 3, and do not connect between two lateral isolation subgroups, in four suspension insulators 6, laterally connect, longitudinally do not connect; Each lateral isolation subgroup below all connects one group of suspension clamp assembly 9, has 9, two groups of suspension clamp assemblies 9 of two groups of suspension clamp assemblies for hanging wire.
In above-mentioned suspension insulator, longitudinally, be placed with successively two groups of lateral isolation subgroups, one group of suspension clamp assembly 9 of the each suspension of corresponding each lateral isolation subgroup, adopt two hanging points and two bearing points, between each hanging point and each bearing point by two suspension insulators, 6 load wires, visible, suspension insulator is by the common load wire of four suspension insulators 6, with of the prior art by compared with two suspension insulator load wires, under identical conductor load, suspension insulator in the utility model embodiment diminishes the load being distributed on each suspension insulator 6, thereby improve the load wire ability of suspension insulator, can meet the load needs of extra-high voltage same tower double circuit line engineering.
In the present embodiment, connection to yoke plate 3 and line hardware is optimized, yoke plate 3 comprises upper connective plate and lower linking plate, upper connective plate is connected to the upper end of lateral isolation subgroup by a right angle link plate 2 and ball-eye 10, the upper end of two suspension insulators 6 is connected, and upper connective plate is connected on tower gold utensil 1 by two right angle link plates that are hinged 2, as can be seen from Figure 1, the company's of being connected with in turn tower gold utensil 1 from top to bottom, two right angle link plates 2, upper connective plate, a right angle link plate 2, ball-eye 10 and lateral isolation subgroup, thereby suspension insulator is fixed on shaft tower, lower linking plate is connected in the lower end of lateral isolation subgroup by socket-clevis eye 4, the lower end of two suspension insulators 6 is connected, and lower linking plate is connected with suspension clamp assembly 9 by two right angle link plates 2 that are hinged.The object that adopts link plate 2 gold utensils such as grade in multiple right angles to connect is for suspension insulator can freely be rotated on orthogonal both direction, can on vertical and horizontal, swing flexibly, therefore, not only suspension insulator can wave in situation and swing flexibly at strong wind, can not make because of the restriction of the degree of freedom suspension insulator 6 suffer damage, and the reasonable distribution load in stressed unbalanced situation that makes suspension insulator, has improved weight bearing power.Certainly, except adopting above-mentioned gold utensil syndeton to realize the flexible swing of suspension insulator in all directions, can also adopt other similar gold utensil to do simple replacement, quantity can be changed accordingly, those skilled in the art can be easy to expect, not repeat them here on the basis of the present embodiment.
Grading ring is optimized, and in the present embodiment, grading ring comprises the first grading ring 8, the second grading ring 5 and the 3rd grading ring 7; Wherein, the first grading ring 8 is arranged on the low-pressure end of suspension insulator 6, is arranged on the lower end of suspension insulator 6; The second grading ring 5 is arranged on the high-pressure side of suspension insulator 6, is arranged on the upper end of suspension insulator 6; The 3rd grading ring 7 is shared by two suspension insulators of laterally arranging 6, and each lateral isolation subgroup shares the 3rd grading ring 7, the three grading rings 7 between the first grading ring 8 and the second grading ring 5; The first grading ring 8 and the second grading ring 5 are annular grading ring, and the diameter of the first grading ring 8 is less than the diameter of the second grading ring 5; The 3rd grading ring 7 is racetrack grading ring, shape is similar to motion runway, be that both sides are semi-annular shape, centre is connected by linear structure, the width of the 3rd grading ring 7 is greater than the diameter of the second grading ring 5, be the diameter that the diameter of semicircular ring part is greater than the second grading ring 5, from entirety size relatively, the first grading ring 8 be little grading ring, the second grading ring 5 for middle grading ring, the 3rd grading ring 7 be large grading ring.The object that adopts above-mentioned grading ring is to press in order to realize all, thereby improve suspension insulator electromagnetic environment around, the ring body of above grading ring and support adopt argon arc welding welding, weld seam is positioned at ring body inner side, and polish smooth, grading ring adopts industrial aluminum pipe to bend and forms, aluminum pipe adopts extruded tube, aluminium bar adopts extruded rod, to improve intensity, the radial deformation of the ring body caliber of grading ring is controlled in positive and negative 3%, and ring body bending radius tolerance is the positive and negative 1% of ring body radius, and ring body surface roughness Ra value is not more than 6.3.
Further optimize, in the present embodiment, the width of the 3rd grading ring 7 is 910mm～930mm, and the diameter of semicircular ring part is 910mm～930mm, more preferably 920mm, and the length of the 3rd grading ring 7 is 1500mm～1540mm, more preferably 1520mm; In addition, the diameter of the second grading ring 5 is 500mm left and right, and the diameter of the first grading ring 8 is less than the diameter of the full skirt of suspension insulator 6.The size of each grading ring is the preferred version in the present embodiment above, certainly, can adjust the size of grading ring according to actual needs, is not limited to above-mentioned size range.
In the present embodiment, according to the size of the grading ring having designed, guarantee that electromagnetic environment meets under the prerequisite of regulation requirement, determine the distance between suspension insulator 6, the distance between two suspension insulators 6 in each lateral isolation subgroup is at least 600mm, more preferably 600mm, the distance along wire direction between two lateral isolation subgroups is at least 1400mm, more preferably 1450mm, be that lateral separation between adjacent two suspension insulators 6 is at least 600mm, fore-and-aft distance is at least 1400mm.Certainly, adjust distance according to actual working environment, be not limited to above-mentioned distance range.
The present embodiment is optimized suspension clamp assembly 9, and suspension clamp assembly 9 comprises division yoke plate 91 and suspension clamp 92, and suspension clamp 92 is arranged on division yoke plate 91.Division yoke plate 91 can hang multiple wires as required.
As optimization, in the present embodiment, division yoke plate 91 is eight division yoke plates, can hang eight wires; In order to transport with easy for installation, division yoke plate 91 adopts composite type division yoke plate, and composite type division yoke plate quality is light, is particularly suitable for transportation and installation under the bad environment of landform.Certainly, the division number of wire, according to requirement of engineering, can be set to six divisions, and correspondingly, division yoke plate 91 adopts six division yoke plates, and in addition, division yoke plate 91 can also adopt integral type division yoke plate, is not specifically limited at this.
Further, in the present embodiment, suspension clamp 92 adopts handbag type suspension clamp, handbag type suspension clamp has anti-corona function, under the terrain environment of larger vertical span, also need on the wire contacting with suspension clamp 92, protect lines 14 by looping preformed armor rods, to improve the shatter-proof ability of wire.The maximum angle of the one-sided blade outlet angle of handbag type suspension clamp is 25 °, and wire can be movable between 0 °～25 °.It is ZL102 or the higher aluminum alloy materials of intensity that the body of casting suspension clamp and press strip are selected model, forge the aluminum alloy materials that suspension clamp bulk material adopts 6082 models, the body of suspension clamp 92 can adopt gravitational casting, low pressure casting or Forging Technology processing, the body surface roughness Ra value of suspension clamp 92 is not more than 6.3, strengthens the intensity of suspension clamp 92.Certainly, suspension clamp 92 can also adopt center steering formula suspension clamp, and material is also not limited to above-mentioned material.
Preferably, in the present embodiment, composite type division yoke plate comprises division yoke plate 911 and lower division yoke plate 912, between upper division yoke plate 911 and lower division yoke plate 912, be connected with a prolongation ring 12 by two U-shaped links 11, extend ring 12 between two U-shaped links 11, for eight division yoke plates, on upper division yoke plate 911 and lower division yoke plate 912, four suspension clamps 92 are all installed; Handbag type suspension clamp is connected on composite type division yoke plate by UB link plate 13.Wherein, the gold utensils such as U-shaped link plate 11, right angle link plate 2, ball-eye 10 and socket-clevis eye 4 adopt solid forging, and material selection tensile strength is not less than the steel of 500MPa.
In the present embodiment, connect tower gold utensil 1 and select trunnion hanging panel or GD hardware, guarantee that the rotation of all directions is flexible, improve the connection reliability that connects tower gold utensil 1, can certainly adopt other combined connecting structure, do not repeat at this.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment, between each embodiment identical similar part mutually referring to.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.To be apparent for those skilled in the art to the multiple modification of these embodiment, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. an extra-high voltage AC circuit suspension insulator, is characterized in that, comprises four suspension insulators (6) of in parallel and rectangular array arrangement;
Along a lateral isolation subgroup of every two described suspension insulators (6) compositions of arranging perpendicular to wire direction, and two suspension insulators (6) in each described lateral isolation subgroup connect by yoke plate (3);
Described in every group, the below of lateral isolation subgroup all connects one group of suspension clamp assembly (9).
2. suspension insulator according to claim 1, is characterized in that, described yoke plate (3) comprises upper connective plate and lower linking plate;
Described upper connective plate is connected with the upper end of described lateral isolation subgroup with ball-eye (10) by right angle link plate (2), and described upper connective plate is connected with company's tower gold utensil (1) by two right angle link plates (2) that are hinged;
Described lower linking plate is connected with the lower end of described lateral isolation subgroup by socket-clevis eye (4), and described lower linking plate is connected by two right angle link plates (2) that are hinged with described suspension clamp assembly (9).
3. suspension insulator according to claim 1, is characterized in that, the low-pressure end of described suspension insulator (6) is provided with the first grading ring (8);
The high-pressure side of described suspension insulator (6) is provided with the second grading ring (5);
Each described lateral isolation subgroup shares the 3rd grading ring (7), and described the 3rd grading ring (7) is positioned between described the first grading ring (8) and described the second grading ring (5);
Described the first grading ring (8) and the second grading ring (5) are annular grading ring, and the diameter of the first grading ring (8) is less than the diameter of the second grading ring (5);
Described the 3rd grading ring (7) is racetrack grading ring, and the width of described the 3rd grading ring (7) is greater than the diameter of described the second grading ring (5).
4. suspension insulator according to claim 3, is characterized in that, the width of described the 3rd grading ring (7) is 910mm～930mm, and the length of described the 3rd grading ring (7) is 1500mm～1540mm.
5. suspension insulator according to claim 4, it is characterized in that, the distance along wire direction between two described lateral isolation subgroups is at least 1400mm, and the distance between two suspension insulators (6) in each described lateral isolation subgroup is at least 600mm.
6. suspension insulator according to claim 1, is characterized in that, described suspension clamp assembly (9) comprises division yoke plate (91) and suspension clamp (92), and described suspension clamp (92) is arranged on described division yoke plate (91).
7. suspension insulator according to claim 6, is characterized in that, described division yoke plate (91) is eight division yoke plates, and is composite type division yoke plate.
8. suspension insulator according to claim 7, is characterized in that, described suspension clamp (92) is handbag type suspension clamp, and the maximum angle of the one-sided blade outlet angle of described handbag type suspension clamp is 25 °.
9. suspension insulator according to claim 8, it is characterized in that, described composite type division yoke plate comprises division yoke plate (911) and lower division yoke plate (912), between described upper division yoke plate (911) and described lower division yoke plate (912), is connected with a prolongation ring (12) by two U-shaped links (11);
Described handbag type suspension clamp is connected on described composite type division yoke plate by UB link plate (13).
10. suspension insulator according to claim 1, is characterized in that, described suspension insulator (6) is composite insulator, porcelain insulator or glass insulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320793411.1U CN203673898U (en) | 2013-11-22 | 2013-11-22 | Suspension insulator string for extra-high-voltage alternating current circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320793411.1U CN203673898U (en) | 2013-11-22 | 2013-11-22 | Suspension insulator string for extra-high-voltage alternating current circuit |
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| CN203673898U true CN203673898U (en) | 2014-06-25 |
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|---|---|---|---|
| CN201320793411.1U Expired - Fee Related CN203673898U (en) | 2013-11-22 | 2013-11-22 | Suspension insulator string for extra-high-voltage alternating current circuit |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103762045A (en) * | 2013-11-22 | 2014-04-30 | 国家电网公司 | Suspension insulator string for extra-high-voltage alternating current circuit |
| CN106099812A (en) * | 2016-07-01 | 2016-11-09 | 国家电网公司 | A kind of wire equilateral triangle arrangement yoke plate mechanism |
| CN108512173A (en) * | 2018-05-12 | 2018-09-07 | 固力发电气有限公司 | A kind of conducting wire pendency method |
| CN109494025A (en) * | 2018-10-24 | 2019-03-19 | 中国电力科学研究院有限公司 | A kind of three I type suspension strings |
-
2013
- 2013-11-22 CN CN201320793411.1U patent/CN203673898U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103762045A (en) * | 2013-11-22 | 2014-04-30 | 国家电网公司 | Suspension insulator string for extra-high-voltage alternating current circuit |
| CN103762045B (en) * | 2013-11-22 | 2017-02-01 | 国家电网公司 | Suspension insulator string for extra-high-voltage alternating current circuit |
| CN106099812A (en) * | 2016-07-01 | 2016-11-09 | 国家电网公司 | A kind of wire equilateral triangle arrangement yoke plate mechanism |
| CN108512173A (en) * | 2018-05-12 | 2018-09-07 | 固力发电气有限公司 | A kind of conducting wire pendency method |
| CN109494025A (en) * | 2018-10-24 | 2019-03-19 | 中国电力科学研究院有限公司 | A kind of three I type suspension strings |
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Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: CHINA POWER ENGINEERING CONSULTING (GROUP) CORPORATION Patentee after: ELECTRIC POWER PLANNING & ENGINEERING INSTITUTE Patentee after: China Power Engineering Consulting Group Southwest Electric Power Design Institute Co., Ltd. Patentee after: Co., Ltd of Northeastern Electric Power Design Institute, China Power Engineering Consulting Group Corporation Patentee after: Co., Ltd of Huabei Power Design Inst., China Power Engineering Consulting Group Patentee after: Co., Ltd of Central Southern China Electric Power Design Institute, China Power Engineering Consulting Group Corporation Patentee after: NORTHWEST ELECTRIC POWER DESIGN INSTITUTE CO., LTD. OF CHINA POWER ENGINEERING CONSULTING GROUP Patentee after: NORTH CHINA POWER ENGINEERING CO., LTD. OF CHINA POWER ENGINEERING CONSULTING GROUP Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee before: State Grid Corporation of China Patentee before: China Power Engineering Consulting Group Corporation Patentee before: ELECTRIC POWER PLANNING & ENGINEERING INSTITUTE Patentee before: Southwest Electric Power Design Institute of China Power Engineering Consulting Group Corporation Patentee before: Northeastern Electric Power Design Institute, China Power Engineering Consulting Group Corporation Patentee before: Huabei Power Design Inst., China Power Engineering Consulting Group Patentee before: Central Southern China Electric Power Design Institute, China Power Engineering Consulting Group Cor Patentee before: Northwest Electric Power Design Institute, China Power Engineering Consulting Group Corporation Patentee before: North China Electric Power Design Institute of China Power Engineering Consulting Group Corporation |
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| 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: 20140625 Termination date: 20171122 |