CN101950937A - Adjustable anti-galloping spacer for overhead transmission lines - Google Patents
Adjustable anti-galloping spacer for overhead transmission lines Download PDFInfo
- Publication number
- CN101950937A CN101950937A CN201010261954XA CN201010261954A CN101950937A CN 101950937 A CN101950937 A CN 101950937A CN 201010261954X A CN201010261954X A CN 201010261954XA CN 201010261954 A CN201010261954 A CN 201010261954A CN 101950937 A CN101950937 A CN 101950937A
- Authority
- CN
- China
- Prior art keywords
- adjustable plate
- conductor spacer
- hole
- plate
- location hole
- 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.)
- Granted
Links
- 125000006850 spacer group Chemical group 0.000 title claims abstract description 74
- 230000005540 biological transmission Effects 0.000 title claims abstract description 14
- 239000012212 insulator Substances 0.000 claims abstract description 24
- 239000004020 conductor Substances 0.000 claims description 63
- 239000002131 composite material Substances 0.000 claims description 18
- 238000002788 crimping Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 5
- 150000001875 compounds Chemical class 0.000 abstract 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 5
- 239000010931 gold Substances 0.000 description 5
- 229910052737 gold Inorganic materials 0.000 description 5
- 230000016507 interphase Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Abstract
The invention relates to an adjustable anti-galloping spacer for overhead transmission lines, which comprises sub-wire spacers, wherein the sub-wire spacers are installed on both ends of a compound insulator, and each sub-wire spacer is composed of a spacer body and a wire clamping head; the inner ring of the spacer body is provided with a cross beam; the middle of the cross beam corresponds to one wire clamping head; the plane of the cross beam is symmetrically provided with a locating hole I by using the axial line of the wire clamping head as the center; both ends of the compound insulator are respectively fixed with a lambdoidal connecting plate; both ends of each connecting plate are respectively hinged with an adjusting plate I; the adjusting plate I is provided with an elongated adjusting hole; every two adjusting plates I are connected with an adjusting plate II and meshed with each other through a rack; each adjusting plate II is provided with a mounting hole I corresponding to the locating hole I; and the locating hole I in the cross beam, the adjusting hole in the adjusting plate I and the mounting hole I in the adjusting plate II are fixed by bolts. The invention can realize stepless regulation of sub-wire space, and has the advantages of high safety, convenient installation, wide application range and the like.
Description
Technical field
The present invention relates to a kind of field of overhead power transmission lines, relate in particular to a kind of overhead transmission line with adjustable anti-dance conductor spacer.
Background technology
It is the thorny problem that the transmission line safe and stable operation in serious threat that ice coated on overhead transmission line conductor is waved always.When wire icing is waved, different wave, the random vibration of out of phase can appear in each phase conductor, very easily take place alternate or air breakdown flashover phenomenon (especially compact transmission line) relatively, wave the serious accident that overlong time can cause transmission line hardware, lead wire and earth wire, shaft tower etc. to damage, the safe operation of waving to transmission line has brought very big harm.
The supporting connection gold utensil of existing inter-phase spacer can only be realized the adjusting of several length, can not realize step-less adjustment, and should connect gold utensil adopts the bulb ball-and-socket mostly when connecting insulator connected mode, occur the phenomenon that bulb comes off easily in that circuit is in service, aspect construction, have potential safety hazard.For example, notification number is that the Chinese utility model patent of CN201243187Y discloses a kind of adjustable lead inter-phase spacer, be provided with adjustable plate and connecting plate between this conductor spacer and the insulator end gold utensil, by adjusting the fixed position that adjustable plate raises knothole, can adapt to and remedy lead sag installation errors, but connecting gold utensil, this kind adopt the structure of adjustment hole, so on regulating, still the blind area can occur, in the time need finely tuning the alternate spacing of lead, this conductor spacer still can't be competent at like this; In addition, connecting plate adopts ball pivot to be connected with insulator in this structure, because connecting, ball pivot has only one degree of freedom, fail safe is relatively poor, the phenomenon that bulb comes off appears when circuit moves easily, therefore exigence those skilled in the art develop and aly both can adapt to and remedy lead sag installation errors, the alternate spacing of sub-conductor is carried out stepless adjustment, and the new type of adjustable inter-phase spacer that has high security again is with connecting gold utensil.
Summary of the invention
In order to overcome the defective of prior art, the object of the present invention is to provide a kind of simple in structure and overhead transmission line that can carry out stepless adjustment to the alternate spacing of sub-conductor with adjustable anti-dance conductor spacer.
The present invention is achieved through the following technical solutions:
A kind of overhead transmission line is with adjustable anti-dance conductor spacer, comprise the sub-lead spacer that is installed in the composite insulator two ends, this sub-lead spacer comprises the conductor spacer body and is distributed in the wire clamp of its outer ring, it is characterized in that: the inner ring of described conductor spacer body is provided with a crossbeam, the centre position of described crossbeam is corresponding with one of them wire clamp, axis with this wire clamp is that the center is arranged with location hole I on the plane of crossbeam, the two ends of described composite insulator are connected with a herringbone connecting plate respectively, the two ends of each connecting plate are a hinged adjustable plate I respectively, described adjustable plate I is provided with microscler adjustment hole, be connected with an adjustable plate II on per two adjustable plate I and the two is meshed by tooth bar, described adjustable plate II is provided with the corresponding installing hole I with location hole I, the location hole I on the described crossbeam, installing hole I on adjustment hole on the adjustable plate I and the adjustable plate II is connected by bolt.
Wherein, an end of described composite insulator and a plate by the right angle link plate be connected, its other end and another connecting plate be connected by ZBD type link plate.
Wherein, described composite insulator each side is equipped with a grading ring.
Wherein, described adjustable plate I is the vertical bar shape, and described adjustable plate II is flat U-shaped, is provided with tooth bar on the one side of adjustable plate I, is respectively equipped with a tooth bar that is meshed with two adjustable plate I on two arms of adjustable plate II.
Wherein, the centre position of described crossbeam is corresponding with a wire clamp that is distributed in conductor spacer body outer ring, axis with this wire clamp is that the center is arranged with location hole II on the plane of conductor spacer body, be provided with the corresponding installing hole II with location hole II on adjustable plate II, location hole II on the described conductor spacer body and the installing hole II on the adjustable plate II are connected by bolt.
Wherein, crimping one tensioning apparatus on the described conductor spacer body, the lower end of this tensioning apparatus is adjacent to mutually with the top of adjustable plate I after passing location hole on crossbeam and the conductor spacer body.
Wherein, the main body of described tensioning apparatus is flat U-shaped, the lower end of this main body be provided with crossbeam on location hole I and the corresponding hollow form boss of the location hole II on the conductor spacer body, each boss inserts among corresponding positioning hole I or the location hole II, this main body is provided with the through hole that is connected with boss.
The invention has the beneficial effects as follows:
1) conductor spacer of the present invention is by changing the tooth bar position of engagement on two strip adjustable plates, realize the adjustment of the alternate spacing of sub-conductor, not only can adapt to and remedy lead sag installation errors very easily, can also carry out any fine setting, coarse adjustment to the alternate spacing of sub-conductor, adjustment realizes the step-less adjustment of sub-conductor spacing apart from non-blind area;
2) adopt the right angle link plate to be connected with ZBD type link plate between connecting plate of the present invention and the insulator, replaced existing bulb ball-and-socket connected mode, this syndeton has promptly guaranteed the flexibility of rotating, and has also solved the problem that bulb comes off, and fail safe is better;
3) the present invention composite insulator a grading ring each side is installed, guaranteed that anti-dance conductor spacer of the present invention has good all pressures characteristic;
4) the present invention's crimping one tensioning apparatus on sub-lead spacer has increased the contact area between connecting bolt and the sub-lead spacer, makes that whole conductor spacer structure is more firm, fail safe is better;
5) conductor spacer compact overall structure of the present invention has advantages such as fitting operation is convenient, applied widely.
Description of drawings
Fig. 1 is the structural representation of sub-lead spacer;
Fig. 2 is the syndeton schematic diagram of adjustable plate I, adjustable plate II and connecting plate, and wherein Fig. 2 a is the front view of adjustable plate I, and Fig. 2 b is the vertical view of Fig. 2 a;
Fig. 3 is the structural representation of tensioning apparatus, and wherein Fig. 3 a is the front view of tensioning apparatus, and Fig. 3 b is the vertical view of Fig. 3 a, and Fig. 3 c is the left view of Fig. 3 a;
Fig. 4 is the structural representation of right angle link plate, and wherein Fig. 4 a is the front view of right angle link plate, and Fig. 4 b is the end view of Fig. 4 a;
Fig. 5 is the structural representation of ZBD type link plate, and wherein Fig. 5 a is the front view of ZBD type link plate, and Fig. 5 b is the end view of Fig. 5 a;
Fig. 6 is the structural representation of grading ring, and wherein Fig. 6 a is the front view of grading ring, and Fig. 6 b is the end view of Fig. 6 a;
Fig. 7 is the overall structure schematic diagram of conductor spacer of the present invention;
Fig. 8 is the A-A cutaway view among Fig. 7;
Fig. 9 is the B-B cutaway view among Fig. 7;
Wherein, 1-conductor spacer body, 2-wire clamp, 3-crossbeam, 4a-location hole I, 4b-location hole II, 5-connecting plate, 6-adjustable plate I, the 7-adjustment hole, 8-adjustable plate II, 9-tooth bar, 10a-installing hole I, 10b-installing hole II, 11-bolt, 12-composite insulator, 13-right angle link plate, 14-ZBD type link plate, 15-grading ring, 16 tensioning apparatus, 17-boss, the 18-through hole, 19-rubber blanket, 20a-earhole I, 20b-earhole II.
Embodiment
Below in conjunction with accompanying drawing anti-dance conductor spacer of the present invention is described in further detail.
As shown in Figure 7, the overhead transmission line in this example is that example describes with adjustable anti-dance conductor spacer with six division conductor spacers, but this anti-dance conductor spacer comprises composite insulator 12 and is installed in the sub-lead spacer at composite insulator two ends by the span-adjustable connector.
As shown in Figure 1, this sub-lead spacer mainly is made up of a hexagon conductor spacer body 1 and six wire clamps 2 that are distributed on six angles, conductor spacer body outer ring, the inner ring of conductor spacer body 1 is provided with a crossbeam 3, the centre position of crossbeam 3 is corresponding with one of them wire clamp 2, is that the center is being arranged with two location hole I4a and is arranged with two location hole II4b on the plane of conductor spacer body 1 on the plane of crossbeam 3 with the axis of this wire clamp 2.
Shown in Fig. 2 a, 2b, but each span-adjustable connector mainly is made of two adjustable plate I6, an adjustable plate II8 and a connecting plate 5.Adjustable plate I6 is the vertical bar shape, and the one side of adjustable plate I6 is provided with on tooth bar 9 and its and offers a microscler adjustment hole 7, the length of this adjustment hole more preferably greater than or equal the length of 1/2 adjustable plate I6.Adjustable plate II8 is flat U-shaped, is respectively equipped with a tooth bar 9 that is meshed with two adjustable plate I on its two arm, and adjustable plate II8 is provided with the corresponding installing hole I10a of location hole I4a and is provided with the corresponding installing hole II10b with location hole II4b.The end of two adjustable plate I6 is hinged with the two ends of connecting plate 5 respectively.After being meshed, adjustable plate I and adjustable plate II be connected between the upper and lower layer of conductor spacer body 1 crimping one tensioning apparatus 16 on the upper strata of conductor spacer body 1.
Shown in Fig. 3 a-3c, the main body of tensioning apparatus 16 is flat U-shaped structure, the lower end of main body be provided with crossbeam on location hole I4a and the corresponding hollow form boss 17 of the location hole II4b on the conductor spacer, each boss 7 inserts among positioning hole corresponding I or the location hole II, and this main body is provided with the through hole 18 that is connected with boss.As shown in Figure 8, the lower end of tensioning apparatus is adjacent to mutually with the top of adjustable plate I6 after passing location hole II on location hole I and the conductor spacer body on the crossbeam, the through hole 18 on the tensioning apparatus, the location hole I4a on the crossbeam, the adjustment hole 7 on the adjustable plate I6 and the installing hole I10a on the adjustable plate II8 by bolt 11 through hole 18, the location hole II4b on the conductor spacer body, the adjustment hole 7 on the adjustable plate I and the adjustable plate II on the fixedly connected and tensioning apparatus to go up installing hole II10b also fixedly connected by bolt 11.In order to have good sealing property, be preferably between tensioning apparatus 16 and the conductor spacer body 1 and be provided with one deck rubber blanket 19.
One end of composite insulator 12 by right angle link plate 13 link to each other with connecting plate 5, its other end passes through ZBD type link plate 14 and links to each other with another connecting plate 5.Shown in Fig. 4 a, 4b, the stem of right angle link plate 13 is provided with two earhole I20a that are connected with connecting plate 5, and its afterbody is provided with two earhole II20b that are connected with composite insulator 12 ends.As shown in Figure 5, the stem of ZBD type link plate 14 is provided with an earhole I20a who is connected with connecting plate 5, and its afterbody is provided with two earhole II20b that are connected with composite insulator 12 ends.In order to guarantee all pressures characteristic of anti-dance conductor spacer of the present invention, be preferably in each side being equipped with of composite insulator 12 just like the grading ring 15 shown in Fig. 6 a, the 6b.As shown in Figure 9,, use bolt, nut that tensioning apparatus 10 is fixedlyed connected with crossbeam 3, use bolt, nut that crossbeam 3 is fixedlyed connected with adjustable plate II8 for better fixing whole anti-dance conductor spacer.
During use, according to said structure the anti-dance conductor spacer is assembled earlier, clamp sub-conductor with the wire clamp on the sub-lead spacer that is connected in composite insulator one end, the relative position of adjusting adjustable plate I6 and 9 engagements of adjustable plate II8 upper rack then satisfies the requirement of conductor spacer mounting distance, adjust to and clamp sub-conductor with the wire clamp on the sub-lead spacer that is connected in the composite insulator other end again behind the suitable position and get final product, final realization is to the stepless adjustment of the alternate spacing of sub-conductor and remedy lead sag installation errors.
Should be noted that at last: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit, although the present invention is had been described in detail with reference to the foregoing description, those of ordinary skill in the field are to be understood that: still can make amendment or be equal to replacement the specific embodiment of the present invention, and do not break away from any modification of spirit and scope of the invention or be equal to replacement, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (7)
1. an overhead transmission line is with adjustable anti-dance conductor spacer, comprise the sub-lead spacer that is installed in composite insulator (12) two ends, this sub-lead spacer comprises conductor spacer body (1) and is distributed in the wire clamp (2) of its outer ring, it is characterized in that: the inner ring of described conductor spacer body (1) is provided with a crossbeam (3), the centre position of described crossbeam (3) is corresponding with one of them wire clamp (2), axis with this wire clamp is that the center is arranged with location hole I (4a) on the plane of crossbeam (3), the two ends of described composite insulator (12) are connected with a herringbone connecting plate (5) respectively, the two ends of each connecting plate (5) are a hinged adjustable plate I (6) respectively, described adjustable plate I (6) is provided with microscler adjustment hole (7), be connected with an adjustable plate II (8) on per two adjustable plate I (6) and the two is meshed by tooth bar (9), described adjustable plate II (8) is provided with and the corresponding installing hole I of location hole I (4a) (10a), the location hole I (4a) on the described crossbeam, adjustment hole (7) and the installing hole I (10a) on the adjustable plate II (8) on the adjustable plate I (6) are fixedly connected by bolt (11).
2. conductor spacer as claimed in claim 1 is characterized in that: an end of described composite insulator (12) and a plate (5) by right angle link plate (13) be connected, its other end and another connecting plate (5) be connected by ZBD type link plate (14).
3. conductor spacer as claimed in claim 2 is characterized in that: described composite insulator (12) a grading ring (15) each side is installed.
4. as the arbitrary described conductor spacer of claim 1-3, it is characterized in that: described adjustable plate I (6) is the vertical bar shape, described adjustable plate II (8) is flat U-shaped, on the one side of adjustable plate I (6), be provided with tooth bar (9), on two arms of adjustable plate II (8), be respectively equipped with a tooth bar that is meshed with two adjustable plate I (9).
5. as the arbitrary described conductor spacer of claim 1-3, it is characterized in that: the centre position of described crossbeam (3) is corresponding with a wire clamp (2) that is distributed in conductor spacer body outer ring, axis with this wire clamp is that the center is arranged with location hole II (4b) on the plane of conductor spacer body (1), be provided with on adjustable plate II (8) and the corresponding installing hole II of location hole II (4b) (10b), the installing hole II (10b) on location hole II (4b) on the described conductor spacer body and the adjustable plate II is connected by bolt.
6. as the arbitrary described conductor spacer of claim 1-3, it is characterized in that: described conductor spacer body (1) is gone up crimping one tensioning apparatus (16), the lower end of this tensioning apparatus pass on crossbeam (3) and the conductor spacer body (1) location hole (4) afterwards with top being adjacent to mutually of adjustable plate I (6).
7. conductor spacer as claimed in claim 6, it is characterized in that: the main body of described tensioning apparatus (16) is flat U-shaped, the lower end of this main body be provided with crossbeam on location hole I and the corresponding hollow form boss of the location hole II on the conductor spacer body (17), each boss (17) inserts among corresponding positioning hole I or the location hole II, and this main body is provided with the through hole (18) that is connected with boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010261954.XA CN101950937B (en) | 2010-08-24 | 2010-08-24 | Adjustable anti-galloping spacer for overhead transmission lines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010261954.XA CN101950937B (en) | 2010-08-24 | 2010-08-24 | Adjustable anti-galloping spacer for overhead transmission lines |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101950937A true CN101950937A (en) | 2011-01-19 |
| CN101950937B CN101950937B (en) | 2014-02-12 |
Family
ID=43454333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010261954.XA Active CN101950937B (en) | 2010-08-24 | 2010-08-24 | Adjustable anti-galloping spacer for overhead transmission lines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101950937B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105375427A (en) * | 2015-11-24 | 2016-03-02 | 中国电力科学研究院 | Anti-galloping device for single-loop power transmission line |
| CN105811344A (en) * | 2016-03-25 | 2016-07-27 | 江苏祥源电气设备有限公司 | Wind deviation prevention suspension fixing device |
| CN105826888A (en) * | 2016-05-20 | 2016-08-03 | 江东金具设备有限公司 | Guyed anti-galloping fitting string |
| CN109494668A (en) * | 2018-12-29 | 2019-03-19 | 国家电网有限公司 | Lead spacer |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2639070Y (en) * | 2003-07-18 | 2004-09-08 | 柳州桂通精密铸造有限公司 | Adjustable integral wire suspending device |
| CN201243187Y (en) * | 2008-08-21 | 2009-05-20 | 华中电网有限公司 | Adjustable conductor interphase interval rod |
| CN201490667U (en) * | 2009-08-12 | 2010-05-26 | 华北电网有限公司张家口供电公司 | Hinged connecting hardware of lead-alternated anti-waving spacing rod |
| CN201498950U (en) * | 2009-09-24 | 2010-06-02 | 中国电力科学研究院 | Connecting fitting for adjustable interphase spacing rod |
-
2010
- 2010-08-24 CN CN201010261954.XA patent/CN101950937B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2639070Y (en) * | 2003-07-18 | 2004-09-08 | 柳州桂通精密铸造有限公司 | Adjustable integral wire suspending device |
| CN201243187Y (en) * | 2008-08-21 | 2009-05-20 | 华中电网有限公司 | Adjustable conductor interphase interval rod |
| CN201490667U (en) * | 2009-08-12 | 2010-05-26 | 华北电网有限公司张家口供电公司 | Hinged connecting hardware of lead-alternated anti-waving spacing rod |
| CN201498950U (en) * | 2009-09-24 | 2010-06-02 | 中国电力科学研究院 | Connecting fitting for adjustable interphase spacing rod |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105375427A (en) * | 2015-11-24 | 2016-03-02 | 中国电力科学研究院 | Anti-galloping device for single-loop power transmission line |
| CN105811344A (en) * | 2016-03-25 | 2016-07-27 | 江苏祥源电气设备有限公司 | Wind deviation prevention suspension fixing device |
| CN105826888A (en) * | 2016-05-20 | 2016-08-03 | 江东金具设备有限公司 | Guyed anti-galloping fitting string |
| CN109494668A (en) * | 2018-12-29 | 2019-03-19 | 国家电网有限公司 | Lead spacer |
| CN109494668B (en) * | 2018-12-29 | 2023-10-13 | 国家电网有限公司 | Conductor spacer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101950937B (en) | 2014-02-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201868814U (en) | Adjustable galloping prevention conductor spacer | |
| CN101950937B (en) | Adjustable anti-galloping spacer for overhead transmission lines | |
| CN101931193A (en) | Adjustable sub-lead spacer | |
| CN207368625U (en) | Overhead distribution | |
| CN101425667A (en) | Cable clip rotary type anti-bouncing spacer | |
| CN201243187Y (en) | Adjustable conductor interphase interval rod | |
| CN102025120B (en) | Transverse l-shaped alternate anti-oscillation hardware | |
| CN201498949U (en) | Adjustable connecting hardware fitting for phase spacer | |
| CN201829901U (en) | Linear adjustable apart dance-preventing hardware | |
| CN101931197B (en) | Anti-oscillation interphase hardware tool for double bundle conductor | |
| CN201498950U (en) | Connecting fitting for adjustable interphase spacing rod | |
| CN201829894U (en) | Novel link fitting for adjustable interphase conductor spacer | |
| CN102097189B (en) | Four-link tension string for +/-800KV heavy ice area | |
| CN206595412U (en) | Connection gold utensil and the current conversion station using the connection gold utensil | |
| CN202712794U (en) | Pre-strand four-split wire spacer rod used for high-strength steel core aluminum alloy stranded wire | |
| CN105406430A (en) | Anti-galloping apparatus for single-circuit power transmission line | |
| CN101984529B (en) | Connecting hardware fitting for stepless adjustable sub-conductor phase-to-phase spacer | |
| CN210032847U (en) | Cross arm | |
| CN113315081A (en) | Easily-installed anti-seismic arrester device | |
| CN105375427A (en) | Anti-galloping device for single-loop power transmission line | |
| CN202839155U (en) | Single-hanging-point single-wire-clamp duplex V-shaped composite insulator string for +/-500kV same-tower double-circuit lines | |
| CN202076754U (en) | Double split conductor adjustable composite insulation alternate spacer | |
| CN205123187U (en) | Insulator fixing device | |
| KR20210043138A (en) | Installation Structure of Lightening Arrester for Transmission Line | |
| CN219918362U (en) | Distance-adjusting protection line clamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE ELECTRIC NET CROP. Effective date: 20130715 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20130715 Address after: 100192 Beijing city Haidian District Qinghe small Camp Road No. 15 Applicant after: China Electric Power Research Institute Applicant after: State Grid Corporation of China Address before: 100192 Beijing city Haidian District Qinghe small Camp Road No. 15 Applicant before: China Electric Power Research Institute |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |