CN204089116U - A kind of overhead transmission line double back cable terminal steel pipe pole - Google Patents
A kind of overhead transmission line double back cable terminal steel pipe pole Download PDFInfo
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- CN204089116U CN204089116U CN201420543388.5U CN201420543388U CN204089116U CN 204089116 U CN204089116 U CN 204089116U CN 201420543388 U CN201420543388 U CN 201420543388U CN 204089116 U CN204089116 U CN 204089116U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 36
- 239000010959 steel Substances 0.000 title claims abstract description 36
- 230000005540 biological transmission Effects 0.000 title claims abstract description 16
- 239000004020 conductor Substances 0.000 claims abstract description 30
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000012212 insulator Substances 0.000 claims abstract description 24
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000011787 zinc oxide Substances 0.000 claims abstract description 14
- 239000004411 aluminium Substances 0.000 claims abstract description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052802 copper Inorganic materials 0.000 claims abstract description 5
- 239000010949 copper Substances 0.000 claims abstract description 5
- 235000007164 Oryza sativa Nutrition 0.000 claims description 3
- 235000009566 rice Nutrition 0.000 claims description 3
- 240000007594 Oryza sativa Species 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 8
- 239000002131 composite material Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- 229910052573 porcelain Inorganic materials 0.000 description 6
- 238000000465 moulding Methods 0.000 description 5
- 241000209094 Oryza Species 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009417 prefabrication Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 241001616957 Macrotyphula fistulosa Species 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
- 239000010421 standard material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The utility model discloses a kind of overhead transmission line double back cable terminal steel pipe pole, it comprises rod body of steel pipe rod (1), upper conductor cross-arm (2), middle wire cross-arm (3), lower wire cross-arm (4), full pre-fabricated dry cable terminal (5), single-core cable (6), zinc oxide lightning arrester for power lines (7), post insulator (8), single busbar connection stationary fixture (9), aluminium row (10), copper to aluminum adapter bar (11), C type device clamp (12), A type device clamp (14), wire wire jumper expansion joint (15), aerial condutor (16), round plate bird-proof cover (17), wire tension-resistant string (18) etc., the utility model is safe and reliable, full pre-fabricated dry cable terminal is avoided to damage because of wind-force, bar hotline maintenance can be stepped on, integral arrangement is compact, attractive in appearance.
Description
Technical field:
The utility model relates to a kind of overhead transmission line double back cable terminal steel pipe pole, belongs to the design of electric power system overhead transmission line, operation, maintenance field.
Background technology:
So far, the standard material of State Grid Corporation of China's competitive bidding is described as the composite bushing cable terminal of rigidity, " although Code for design of cables of electric works " (GB50217-2007) 4.1.2 article regulation " cable outdoor terminal should select dry type prefabrication type ", will not call for bid for full pre-fabricated dry (or dry type prefabrication type) cable terminal always; This is because according to operating statistic, there is operational defect in mounted indivedual full pre-fabricated dry cable terminal in the past; Reason is, full pre-fabricated dry cable terminal belongs to flexible material, swings and damaged internal stress cone under wind-force effect, causes inner field intensity inequality, punctures insulating barrier further; In addition, the never ripe measure rigidly fixing full pre-fabricated dry cable terminal.According to open source literature, site search is to the patented technology of 9 in cable terminal pole, does not all relate to the correlation technique of the measure rigidly fixing full pre-fabricated dry cable terminal.Below these 9 patented technologies are described below respectively:
1, cable terminal pole (utility model people is the people such as Li Yan, application number CN200820177282.2): three groups of cross-arms are equipped with on cable terminal pole top, and a cable termination and lightning arrester base are housed in one end of each cross-arm; The two sides of the body of rod are equipped with some groups respectively and fix lead-up cable support.Do not mention and how to rigidly fix full pre-fabricated dry cable termination (flexibility), and moulding unsightly.
2, the cable terminal support arrangement structure (people such as artificial Zhang Zhijian of utility model, application number CN201110067309.9): described cable termination shaft tower is provided with mounting panel, described mounting panel is installed with lightning arrester and tag, and the distance between described tag and lightning arrester is 1 ~ 1.5m.This patent is applicable to rigid composite sleeve pipe (or porcelain sheath) cable termination, do not mention and how to rigidly fix full pre-fabricated dry cable termination (flexibility), and moulding unsightly.
3, cable terminal pole draws lower device (utility model people is the people such as Zhao Shumin, application number CN201320671644.4): cable terminal pole draws lower device and comprises the body of rod, cross-arm, cable terminal, lightning arrester and cable termination cushion cap, cross-arm, cable termination cushion cap are all fixedly installed in the body of rod, cable terminal is installed on cable termination cushion cap, cross-arm be provided with for by cable guide to the supporting insulator of cable terminal, it is characterized in that: this cable terminal pole draws lower device and also comprises the lightning arrester cushion cap being fixedly installed in the body of rod, and lightning arrester is installed on lightning arrester cushion cap.This patent is applicable to rigid composite sleeve pipe (or porcelain sheath) cable termination, and shortcoming is, several supporting insulators are between overhead wire and cable termination, and complex structure, cannot step on bar hotline maintenance.
4, (utility model people is the people such as Tang Minyan to high voltage electric transmission cable terminal pole, application number CN201320671723.5): cable terminal pole comprises the body of rod, cross-arm and cable termination cushion cap, described cross-arm comprises wire cross-arm, wire cross-arm and cable termination cushion cap are all fixed on the body of rod, it is characterized in that: wire cross-arm is provided with the lightning arrester link for zinc oxide surge arresters.This patent is applicable to rigid composite sleeve pipe (or porcelain sheath) cable termination, do not mention and how to rigidly fix full pre-fabricated dry cable termination (flexibility), and moulding unsightly.
5, cable termination platform and comprise its cable termination tower, the people such as Li Zhipeng, application number CN201220364507.1): described cable termination platform comprises platform; At least one group of cable termination installation component, arrange in described main platform body, each group of described cable termination installation component comprises three installation portions of installing cables terminals, three described installation portions be arranged so that distance each other and described cable terminal apart from the minimum range of described platform be all greater than wire charged time safe distance.This patent is applicable to rigid composite sleeve pipe (or porcelain sheath) cable termination, do not mention zinc oxide lightning arrester for power lines and how to rigidly fix full pre-fabricated dry cable termination (flexibility), and moulding unsightly.
6, (utility model people is the people such as Wu Jun to cable termination tower, application number CN201320278476.2): it is characterized in that: comprise tower bar and be arranged at the independent rack of tower bar side, described tower bar is provided with several wire cross-arms, the first support, the second bracing frame is disposed with below described tower bar upper conductor cross-arm, described second bracing frame and the first bracing frame arrange 3 cross arm type supporting insulators separately, and the junction of the first bracing frame and cross arm type supporting insulator is provided with lightning arrester; Described independent rack top has terminal platform, described terminal platform is provided with the cable terminal for attached cable.This technology type is like patent 3, and be applicable to rigid composite sleeve pipe (or porcelain sheath) cable termination, difference is that lightning arrester is not built up on terminal platform, shortcoming is, several supporting insulators are between overhead wire and cable termination, and complex structure, cannot step on bar hotline maintenance.
7, a kind of double loop cable termination tower (people such as artificial He Guangyuan of utility model, application number CN201220150373.3): comprise tower body and tower leg, described tower body is installed with the consistent cross-arm at least 4 layers of direction from top to bottom respectively, it is characterized in that: the two ends of described second layer cross-arm are respectively arranged with corner bracket in the same side, the tower body position below described lowermost layer cross-arm is respectively arranged with from top to bottom and keeps at a certain distance away and the upper and lower two-layer platform identical with cross-arm installation direction.What this technology described is cable bearer on cable needed for tower and cable termination platform, does not mention cable termination and lightning arrester, do not mention and how to rigidly fix full pre-fabricated dry cable termination (flexibility), and moulding unsightly.
8, (utility model people is Liao Changbi to cable terminal steel pipe pole, application number CN201210556488.7): comprise and be provided with cross-arm, the mobile jib of lightning arrester and cable terminal, characterized by further comprising: for the cable termination shelf layer of concentrated setting cable terminal, for surge arrester support layer and the silicon rod shelf layer of concentrated setting lightning arrester, described cable termination shelf layer is disposed with from lower to upper at described mobile jib, surge arrester support layer, silicon rod shelf layer and some cross bars, described cable terminal is arranged in described cable termination shelf layer, described lightning arrester is arranged on described surge arrester support layer.This technology type like patent 3, is applicable to rigid composite sleeve pipe (or porcelain sheath) cable termination, difference be lightning arrester not on platform, shortcoming is, several supporting insulators are between overhead wire and cable termination, and complex structure, cannot step on bar hotline maintenance.
9, (utility model people is the people such as Shen Caiyuan to Double-loop overhead cable terminal station, application number CN03220371.3): Double-loop overhead cable terminal station, it is characterized in that the steel pipe pole composition cable terminal station utilizing two differing heights, between two steel pipe poles, utilize connecting rod to be interconnected.This technical disadvantages is that floor space is large, and complex structure, cannot step on bar hotline maintenance.
Utility model content:
The purpose of this utility model is to overcome the deficiency of above-mentioned prior art and provides a kind of safe and reliable, full pre-fabricated dry cable terminal is avoided to damage because of wind-force, bar hotline maintenance can be stepped on, the overhead transmission line double back cable terminal steel pipe pole that integral arrangement is compact, attractive in appearance.
The purpose of this utility model can be reached by following measure: a kind of overhead transmission line double back cable terminal steel pipe pole, it comprises sole plate, rod body of steel pipe rod, rod body of steel pipe rod is provided with upper conductor cross-arm, middle wire cross-arm, lower wire cross-arm, it is characterized in that, between upper conductor cross-arm and middle wire cross-arm, the vertical distance between middle wire cross-arm and lower wire cross-arm is 3.5m to 4m, upper conductor cross-arm, middle wire cross-arm, the lower end of lower wire cross-arm is all symmetrically connected with zinc oxide lightning arrester for power lines, upper conductor cross-arm, middle wire cross-arm, rod body of steel pipe rod immediately below lower wire cross-arm is all horizontally installed with post insulator, post insulator is parallel to upper conductor cross-arm, middle wire cross-arm, lower wire cross-arm, full pre-fabricated dry cable terminal successively passes through copper to aluminum adapter bar, aluminium is arranged, A type device clamp is connected with wire wire jumper expansion joint end, and pass through post insulator, single busbar connection stationary fixture rigidly fixes full pre-fabricated dry cable terminal, zinc oxide lightning arrester for power lines is arranged by aluminium, device clamp is connected to the end of wire wire jumper expansion joint, the two ends of upper conductor cross-arm, middle wire cross-arm, lower wire cross-arm all connect aerial condutor by wire tension-resistant series winding, aerial condutor connects wire wire jumper expansion joint, the upper end of upper conductor cross-arm, middle wire cross-arm, lower wire cross-arm is equipped with round plate bird-proof cover, each full pre-fabricated dry cable terminal all connects a single-core cable, single-core cable is fixed on the cable bearer on rod body of steel pipe rod, and 3 single-core cables that often return below lower wire cross-arm are isosceles triangle arrangement.
In order to realize the purpose of this utility model further, the arc length of described wire wire jumper expansion joint is 3.5-4 rice.
In order to realize the purpose of this utility model further, described upper conductor cross-arm length 2.0m, middle wire cross-arm length 2.5m, lower wire cross-arm length 2.0m.
In order to realize the purpose of this utility model further, the distance between described zinc oxide lightning arrester for power lines lightning arrester and rod body of steel pipe rod is 1.5m.
In order to realize the purpose of this utility model further, described post insulator respectively with upper conductor cross-arm, middle wire cross-arm, lower wire cross-arm at a distance of 1.7m.
In order to realize the purpose of this utility model further, described single-core cable is provided with cable protection pipe.
In order to realize the purpose of this utility model further, described single-core cable enters the sweep radius on ground to be 20D, D is the external diameter of cable.
The utility model can produce following good effect compared with the prior art: one is in conventional bar head design basis, strengthen vertical distance between 3 layer conductor cross-arms, by 3.5m to 4m, be convenient to the organic linking between full pre-fabricated dry cable terminal 5, zinc oxide lightning arrester for power lines 7, post insulator 8 three, make Cable Bending Radius meet technical requirement; Two be arrange 10 copper to aluminum adapter bar 11 by post insulator 8, aluminium, A type device clamp 14 rigidly fixes full pre-fabricated dry cable terminal 5, avoid its internal stress bore destroy; Three is install full pre-fabricated dry cable terminal 5, zinc oxide lightning arrester for power lines 7, post insulator 8 at bar head position distributing, and electrical design is compact, symmetrical, attractive in appearance; Four is wire jumper expansion joint sag, the length set up between aerial condutor 16 and post insulator 8, meets the requirement that wire tension-resistant string is upper and lower during line oscillation or strong wind, swing; Five are shaft sides, 3 single-core cables that often return of lower wire cross-arm less than 4 are isosceles triangle arrangement, thus reach appearance design object compact, attractive in appearance.By cable in shaft 1 side isosceles triangle compact Layout, be convenient to step on bar hotline maintenance; Overall compact, attractive in appearance.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the club head portion of Fig. 1;
Fig. 3 is the end view of Fig. 1;
Fig. 4 is the A portion enlarged drawing of Fig. 2;
Fig. 5 is the B portion enlarged drawing of Fig. 3;
Fig. 6 is the 6-6 profile of Fig. 1;
Fig. 7 is the 5-5 profile of Fig. 1;
Fig. 8 is the 4-4 profile of Fig. 1;
Fig. 9 is the 3-3 profile of Fig. 1;
Figure 10 is the 2-2 profile of Fig. 1;
Figure 11 is the 1-1 profile of Fig. 1.
Embodiment: preferred forms of the present utility model is elaborated below in conjunction with accompanying drawing:
Embodiment: a kind of overhead transmission line double back cable terminal steel pipe pole (see Fig. 1-Fig. 5), it comprises sole plate 30, sole plate 30 joint steel pipe club body 1, and rod body of steel pipe rod 1 is provided with upper conductor cross-arm 2, middle wire cross-arm 3, lower wire cross-arm 4; Upper conductor cross-arm 2 length 2.0m, middle wire cross-arm 3 length 2.5m, lower wire cross-arm 4 length 2.0m, between upper conductor cross-arm 2 and middle wire cross-arm 3, the vertical distance between middle wire cross-arm 3 and lower wire cross-arm 4 is 3.5m to 4m; The lower end of upper conductor cross-arm 2, middle wire cross-arm 3, lower wire cross-arm 4 is all symmetrically connected with zinc oxide lightning arrester for power lines 7, distance between lightning arrester 7 and rod body of steel pipe rod 1 is 1.5m, rod body of steel pipe rod 1 immediately below upper conductor cross-arm 2, middle wire cross-arm 3, lower wire cross-arm 4 is all horizontally installed with post insulator 8, post insulator 8 is parallel to upper conductor cross-arm 2, middle wire cross-arm 3, lower wire cross-arm 4, and respectively with upper conductor cross-arm 2, middle wire cross-arm 3, lower wire cross-arm 4 at a distance of 1.7m; Full pre-fabricated dry cable terminal 5 is successively connected with wire wire jumper expansion joint 15 end by MG-100 × 10 copper to aluminum adapter bar 11 ,-80 × 12 type aluminium row 10 of external seal heat-shrink tube, A type device clamp 14, and rigidly fix full pre-fabricated dry cable terminal 5 by post insulator 8, single busbar connection stationary fixture 9, to avoid full pre-fabricated dry cable terminal 5 internal structure impaired because wind speed swings; Be wound with aluminium armor tape 13 outside wire wire jumper expansion joint 15, shield.Zinc oxide lightning arrester for power lines 7 is connected to the end of wire wire jumper expansion joint 15 by aluminium row 10, SY-300/40C type device clamp 12; The two ends of upper conductor cross-arm 2, middle wire cross-arm 3, lower wire cross-arm 4 are all by wire tension-resistant string 18 link hollow wire 16, aerial condutor 16 connects wire wire jumper expansion joint 15, aerial condutor 16, under the support of wire tension-resistant string 18, realizes being connected with wire wire jumper expansion joint 15, full pre-fabricated dry cable terminal 5, zinc oxide lightning arrester for power lines 7 reliable electric.The arc length of wire wire jumper expansion joint 15 is 3.5-4 rice, reduces producing tensile force to post insulator 8 to meet wire tension-resistant string about 18, in the process that swings.The upper end of upper conductor cross-arm 2, middle wire cross-arm 3, lower wire cross-arm 4 is equipped with round plate bird-proof cover 17, and it is located at directly over post insulator 8, in case bird pest.Each full pre-fabricated dry cable terminal 5 all connects a single-core cable 6, and single-core cable 6 is fixed on cable bearer 25 on rod body of steel pipe rod 1, cable bearer 24, cable bearer 23, cable bearer 22.Double back cable on rod body of steel pipe rod 1 horizontally (see Fig. 6, Fig. 7), 3 single-core cables that often return of lower wire cross-arm less than 4 are isosceles triangle arrangement (see Fig. 8-Figure 11), be fixed on the cable bearer of rod body of steel pipe rod 1, reach and reduce metal sheath induced voltage, increase current-carrying capacity of cable and double back cable terminal steel pipe pole appearance and modeling object attractive in appearance; Single-core cable 6 is provided with cable protection pipe 19, avoids being subject to wound.The sweep radius that sweep between full pre-fabricated dry cable terminal 5 and single-core cable 6, single-core cable 6 enter ground all should meet the minimum installation bending radius of cable (20D, D are the outside diameter of cable).
Claims (7)
1. an overhead transmission line double back cable terminal steel pipe pole, it comprises sole plate (30), rod body of steel pipe rod (1), rod body of steel pipe rod (1) is provided with upper conductor cross-arm (2), middle wire cross-arm (3), lower wire cross-arm (4), it is characterized in that between upper conductor cross-arm (2) and middle wire cross-arm (3), the vertical distance between middle wire cross-arm (3) and lower wire cross-arm (4) is 3.5m to 4m, upper conductor cross-arm (2), middle wire cross-arm (3), the lower end of lower wire cross-arm (4) is all symmetrically connected with zinc oxide lightning arrester for power lines (7), upper conductor cross-arm (2), middle wire cross-arm (3), rod body of steel pipe rod (1) immediately below lower wire cross-arm (4) is all horizontally installed with post insulator (8), post insulator (8) is parallel to upper conductor cross-arm (2), middle wire cross-arm (3), lower wire cross-arm (4), full pre-fabricated dry cable terminal (5) is successively by copper to aluminum adapter bar (11), aluminium row (10), A type device clamp (14) is connected with wire wire jumper expansion joint (15) end, and by post insulator (8), single busbar connection stationary fixture (9) rigidly fixes full pre-fabricated dry cable terminal (5), zinc oxide lightning arrester for power lines (7) is by aluminium row (10), device clamp (12) is connected to the end of wire wire jumper expansion joint (15), upper conductor cross-arm (2), middle wire cross-arm (3), the two ends of lower wire cross-arm (4) are all by wire tension-resistant string (18) link hollow wire (16), aerial condutor (16) connects wire wire jumper expansion joint (15), upper conductor cross-arm (2), middle wire cross-arm (3), the upper end of lower wire cross-arm (4) is equipped with round plate bird-proof cover (17), each full pre-fabricated dry cable terminal (5) all connects a single-core cable (6), single-core cable (6) is fixed on the cable bearer on rod body of steel pipe rod (1), lower wire cross-arm (4) 3 single-core cables that often return below are isosceles triangle arrangement.
2. a kind of overhead transmission line double back cable terminal steel pipe pole according to claim 1, is characterized in that the arc length of described wire wire jumper expansion joint (15) is 3.5-4 rice.
3. a kind of overhead transmission line double back cable terminal steel pipe pole according to claim 1, is characterized in that described upper conductor cross-arm (2) length 2.0m, middle wire cross-arm (3) length 2.5m, lower wire cross-arm (4) length 2.0m.
4. a kind of overhead transmission line double back cable terminal steel pipe pole according to claim 1, is characterized in that the distance between described zinc oxide lightning arrester for power lines lightning arrester (7) and rod body of steel pipe rod (1) is 1.5m.
5. a kind of overhead transmission line double back cable terminal steel pipe pole according to claim 1, it is characterized in that described post insulator (8) respectively with upper conductor cross-arm (2), middle wire cross-arm (3), lower wire cross-arm (4) at a distance of 1.7m.
6. a kind of overhead transmission line double back cable terminal steel pipe pole according to claim 1, is characterized in that described single-core cable (6) is provided with cable protection pipe (19).
7. a kind of overhead transmission line double back cable terminal steel pipe pole according to claim 1, is characterized in that entering the sweep radius on ground by described single-core cable (6) to be 20D, D is the external diameter of cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420543388.5U CN204089116U (en) | 2014-09-22 | 2014-09-22 | A kind of overhead transmission line double back cable terminal steel pipe pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420543388.5U CN204089116U (en) | 2014-09-22 | 2014-09-22 | A kind of overhead transmission line double back cable terminal steel pipe pole |
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| CN204089116U true CN204089116U (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420543388.5U Expired - Fee Related CN204089116U (en) | 2014-09-22 | 2014-09-22 | A kind of overhead transmission line double back cable terminal steel pipe pole |
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| Country | Link |
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| CN (1) | CN204089116U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104242208A (en) * | 2014-09-22 | 2014-12-24 | 国家电网公司 | Double-circuit cable terminal steel pipe pole for overhead transmission line |
| CN105119228A (en) * | 2015-08-14 | 2015-12-02 | 国家电网公司 | A double-loop overhead transmission line overhead single-loop phase modulation wiring rod and a wiring structure |
| CN109217225A (en) * | 2018-11-01 | 2019-01-15 | 温州电力设计有限公司 | A kind of double back cable terminal pole of 110 kilovolts of pedestal cable terminals |
| CN109629899A (en) * | 2018-11-29 | 2019-04-16 | 中国电力科学研究院有限公司 | It is a kind of for exchanging 750kV with the device of four circuit power transmission tower of tower |
-
2014
- 2014-09-22 CN CN201420543388.5U patent/CN204089116U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104242208A (en) * | 2014-09-22 | 2014-12-24 | 国家电网公司 | Double-circuit cable terminal steel pipe pole for overhead transmission line |
| CN105119228A (en) * | 2015-08-14 | 2015-12-02 | 国家电网公司 | A double-loop overhead transmission line overhead single-loop phase modulation wiring rod and a wiring structure |
| CN105119228B (en) * | 2015-08-14 | 2017-11-14 | 国家电网公司 | A kind of aerial list of double back overhead transmission line adjusts back connect line bar and wiring construction |
| CN109217225A (en) * | 2018-11-01 | 2019-01-15 | 温州电力设计有限公司 | A kind of double back cable terminal pole of 110 kilovolts of pedestal cable terminals |
| CN109217225B (en) * | 2018-11-01 | 2023-12-01 | 温州电力设计有限公司 | Double-return cable terminal rod for 110 kilovolt support type cable terminal head |
| CN109629899A (en) * | 2018-11-29 | 2019-04-16 | 中国电力科学研究院有限公司 | It is a kind of for exchanging 750kV with the device of four circuit power transmission tower of tower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 Termination date: 20150922 |
|
| EXPY | Termination of patent right or utility model |