CN202217553U - Composite suspension insulator string of overhead transmission line - Google Patents
Composite suspension insulator string of overhead transmission line Download PDFInfo
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- CN202217553U CN202217553U CN201120262669XU CN201120262669U CN202217553U CN 202217553 U CN202217553 U CN 202217553U CN 201120262669X U CN201120262669X U CN 201120262669XU CN 201120262669 U CN201120262669 U CN 201120262669U CN 202217553 U CN202217553 U CN 202217553U
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- string
- eye
- ball
- gold utensil
- socket
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- 239000002131 composite material Substances 0.000 title claims abstract description 66
- 239000012212 insulator Substances 0.000 title claims abstract description 62
- 230000005540 biological transmission Effects 0.000 title claims abstract description 32
- 239000000725 suspension Substances 0.000 title claims abstract description 21
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical group [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 63
- 239000010931 gold Substances 0.000 claims description 63
- 229910052737 gold Inorganic materials 0.000 claims description 63
- 239000004020 conductor Substances 0.000 description 12
- 238000012360 testing method Methods 0.000 description 8
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000012211 strain insulator Substances 0.000 description 1
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Abstract
The utility model discloses a composite suspension insulator string of an overhead transmission line, comprising a composite insulator (1). The composite suspension insulator string of the overhead transmission line is characterized in that a ball socket structure (2) is arranged at the upper end of the composite insulator (1) and a bulb structure (3) is arranged at the lower end of the composite insulator; the ball socket structure (2) is connected with a hardware fitting string at an earth terminal; the bulb structure (3) is connected with a hardware fitting string at a high-voltage terminal; at least two inner arc U-shaped rings (12) are arranged on the hardware fitting string at the earth terminal or the hardware fitting string at the high-voltage terminal; and the inner arc U-shaped rings (12) are connected with each other one by one. According to the utility model, by changing the connection mode between hardware fittings, the fitting strings can be axially twisted for a certain angle so as to avoid the occurrence of axial twists of the composite insulator and the damages to connection strength between a core rod and the hardware fittings at the end parts.
Description
Technical field:
The utility model relates to a kind of overhead transmission line composite insulator string that dangles, and belongs to the design of electric power system overhead transmission line, operation, maintenance field.
Background technology:
At present, all composite insulators string that dangles mainly is made up of composite insulator and line hardware in the overhead transmission line, mainly is divided into the inner inlaying type composite insulator and dangles and go here and there and the compression joint type composite insulator string that dangles.(#1～#15 is a compression joint type to one group of 500kV strain insulator composite insulator that Shandong Research Inst. of Electric Power carried out in 2005; #16～#27 is an inner inlaying type) ± 10 ° of pull and torsion test data show: the test product that the end is connected to compression joint type through draw turn round composite test after the mechanical damage load reduction (on average reducing by 5%) is in various degree all arranged, and the inner inlaying type test product through draw turn round composite test after mechanical damage load raise on the contrary (on average improving 6%).This is because the mechanical load of compression joint type test product is a process that descends gradually, and the inner inlaying type test product is carved the pulling force that bears the piece both sides after turning round composite test and redistributed through drawing, and the mechanical damage load wants high than initial value.Because the inner inlaying type manufacture craft is not really ripe, so far, selects the compression joint type composite insulator mostly for use, like this, the mechanical performance decline phenomenon of compression joint type composite insulator in running is inevitable.And low-angle takes place and reverses in the composite insulator that said structure causes being made up of flexible material under various unfavorable operating modes, thereby weakens the bonding strength of plug and end gold utensil.
The utility model content:
The purpose of the utility model is to overcome the deficiency of above-mentioned prior art and provides a kind of through changing the connected mode between the gold utensil; Make the gold utensil string can the certain angle earth's axis to rotation; Thereby avoid composite insulator generation axial torsion, the overhead transmission line composite insulator that destroys the strength of connection of plug and the end gold utensil string that dangles.
The purpose of the utility model can reach through following measure: a kind of overhead transmission line composite insulator string that dangles; It comprises composite insulator, it is characterized in that the upper end of composite insulator is provided with socket arrangement, and the lower end is provided with ball head structure; Socket arrangement connects earth terminal gold utensil string; Ball head structure connects high-pressure side gold utensil string, and earth terminal gold utensil string or high-pressure side gold utensil string are provided with at least two inner arc U-loops, and inner arc U-loop ring-ring joins.
In order further to realize the purpose of the utility model; Described earth terminal gold utensil string is connected and composed by ball-eye and link plate; Ball-eye is connected with socket arrangement; High-pressure side gold utensil string is connected and composed successively by socket-clevis eye, two inner arc U-loops, link plate, suspension clamps at least, and socket-clevis eye is connected with ball head structure.
In order further to realize the purpose of the utility model; Described earth terminal gold utensil string is connected and composed by ball-eye and two inner arc U-loops at least; Ball-eye is connected with socket arrangement, and high-pressure side gold utensil string is connected and composed by socket-clevis eye, suspension clamp successively, and socket-clevis eye is connected with ball head structure.
In order further to realize the purpose of the utility model; Described earth terminal gold utensil string is connected and composed by ball-eye and two inner arc U-loops at least; Ball-eye is connected with socket arrangement; High-pressure side gold utensil string is connected and composed successively by socket-clevis eye, two inner arc U-loops, link plate, suspension clamps at least, and socket-clevis eye is connected with ball head structure.
In order further to realize the purpose of the utility model, described socket-clevis eye is a W type socket-clevis eye.
In order further to realize the purpose of the utility model; Described earth terminal gold utensil string is connected and composed by ball-eye and link plate; Ball-eye is connected with socket arrangement; High-pressure side gold utensil string is connected and composed by at least two inner arc U-loops, two yoke plates, link plate, two division suspension clamp, and the inner arc U-loop is connected with ball head structure.
In order further to realize the purpose of the utility model; Described earth terminal gold utensil string is connected and composed by ball-eye and two inner arc U-loops at least; Ball-eye is connected with socket arrangement; High-pressure side gold utensil string is connected and composed by socket-clevis eye, two yoke plates, link plate, two division suspension clamp, and socket-clevis eye is connected with ball head structure.
In order further to realize the purpose of the utility model, described socket-clevis eye adopts WS type socket-clevis eye.
In order further to realize the purpose of the utility model; Described earth terminal gold utensil string is connected and composed by ball-eye and two inner arc U-loops at least; Ball-eye is connected with socket arrangement; High-pressure side gold utensil string high-pressure side gold utensil string is connected and composed by at least two inner arc U-loops, two yoke plates, link plate, two division suspension clamp, and the inner arc U-loop is connected with ball head structure.
In order further to realize the purpose of the utility model, described ball-eye adopts QP type ball-eye.
The utility model is compared with prior art can produce following good effect: the utility model comprises the composite insulator of bulb, socket arrangement; Its one or both ends at composite insulator are connected with ball-eye or socket-clevis eye respectively; Then, ball-eye or socket-clevis eye connect two and above inner arc U-loop respectively, thereby make composite insulator gold utensil string have the axial rotation function of certain angle; In this angular range; Guarantee that composite electric insulator core bar is not turned round, guarantee the mechanical performance of composite insulator, make the transmission line safe and reliable operation.
Description of drawings:
Fig. 1 is the dangle structural representation of first kind of execution mode of string of the overhead transmission line composite insulator single conductor of the utility model;
Fig. 2 is the dangle structural representation of second kind of execution mode of string of the overhead transmission line composite insulator single conductor of the utility model;
Fig. 3 is the dangle structural representation of the third execution mode of string of the overhead transmission line composite insulator single conductor of the utility model;
Fig. 4 is the dangle structural representation of first kind of execution mode of string of the overhead transmission line composite insulator double bundle conductor of the utility model;
Fig. 5 is the dangle structural representation of second kind of execution mode of string of the overhead transmission line composite insulator double bundle conductor of the utility model;
Fig. 6 is the dangle structural representation of the third execution mode of string of the overhead transmission line composite insulator double bundle conductor of the utility model;
Embodiment: elaborate below in conjunction with the preferred forms of accompanying drawing to the utility model:
Embodiment 2, a kind of overhead transmission line composite insulator single conductor string (referring to Fig. 2) that dangles; It comprises composite insulator 1; The upper end of composite insulator 1 is provided with socket arrangement 2, and the lower end is provided with ball head structure 3, and socket arrangement 2 connects earth terminal gold utensil string; This earth terminal gold utensil string is connected and composed by the inner arc U-loop 12 that QP type ball-eye 4 and two ring-rings join, and QP type ball-eye 4 is connected with socket arrangement 2.Ball head structure 3 connects high-pressure side gold utensil string, and high-pressure side gold utensil string is connected and composed by socket-clevis eye 6, suspension clamp 7 successively, and socket-clevis eye 6 is connected with ball head structure 3.
Embodiment 6, a kind of overhead transmission line composite insulator single conductor string (referring to Fig. 6) that dangles; It comprises composite insulator 1; The upper end of composite insulator 1 is provided with socket arrangement 2, and the lower end is provided with ball head structure 3, and socket arrangement 2 connects earth terminal gold utensil string; This earth terminal gold utensil string is connected and composed by the inner arc U-loop 12 that QP type ball-eye 4 and two ring-rings join, and QP type ball-eye 4 is connected with socket arrangement 2.Ball head structure 3 connects high-pressure side gold utensil strings, and inner arc U-loop that high-pressure side gold utensil string is joined by two ring-rings 12, two yoke plates 9, link plate 10, two division suspension clamp 11 (holding lead) connect and compose, and inner arc U-loop 12 is connected with ball head structure 3.
Claims (10)
1. overhead transmission line composite insulator string that dangles; It comprises composite insulator (1), it is characterized in that the upper end of composite insulator (1) is provided with socket arrangement (2), and the lower end is provided with ball head structure (3); Socket arrangement (2) connects earth terminal gold utensil string; Ball head structure (3) connects high-pressure side gold utensil string, and earth terminal gold utensil string or high-pressure side gold utensil string are provided with at least two inner arc U-loops (12), and inner arc U-loop (12) ring-ring joins.
2. a kind of overhead transmission line composite insulator according to claim 1 string that dangles; It is characterized in that described earth terminal gold utensil string is connected and composed by ball-eye (4) and link plate (5); Ball-eye (4) is connected with socket arrangement (2); High-pressure side gold utensil string is connected and composed successively by socket-clevis eye (6), two inner arc U-loops (12), link plate (13), suspension clamp (7) at least, and socket-clevis eye (6) is connected with ball head structure (3).
3. a kind of overhead transmission line composite insulator according to claim 1 string that dangles; It is characterized in that described earth terminal gold utensil string is connected and composed by ball-eye (4) and two inner arc U-loops (12) at least; Ball-eye (4) is connected with socket arrangement (2); High-pressure side gold utensil string is connected and composed by socket-clevis eye (6), suspension clamp (7) successively, and socket-clevis eye (6) is connected with ball head structure (3).
4. a kind of overhead transmission line composite insulator according to claim 1 string that dangles; It is characterized in that described earth terminal gold utensil string is connected and composed by ball-eye (4) and two inner arc U-loops (12) at least; Ball-eye (4) is connected with socket arrangement (2); High-pressure side gold utensil string is connected and composed successively by socket-clevis eye (6), two inner arc U-loops (12), link plate (13), suspension clamp (7) at least, and socket-clevis eye (6) is connected with ball head structure (3).
5. according to claim 2 or the 3 or 4 described a kind of overhead transmission line composite insulators string that dangles, it is characterized in that described socket-clevis eye (6) is a W type socket-clevis eye.
6. a kind of overhead transmission line composite insulator according to claim 1 string that dangles; It is characterized in that described earth terminal gold utensil string is connected and composed by ball-eye (4) and link plate (5); Ball-eye (4) is connected with socket arrangement (2); High-pressure side gold utensil string is connected and composed by at least two inner arc U-loops (12), two yoke plates (9), link plate (10), two division suspension clamp (11), and inner arc U-loop (12) is connected with ball head structure (3).
7. a kind of overhead transmission line composite insulator according to claim 1 string that dangles; It is characterized in that described earth terminal gold utensil string is connected and composed by ball-eye (4) and two inner arc U-loops (12) at least; Ball-eye (4) is connected with socket arrangement (2); High-pressure side gold utensil string is connected and composed by socket-clevis eye (8), two yoke plates (9), link plate (10), two division suspension clamp (11), and socket-clevis eye (8) is connected with ball head structure (3).
8. a kind of overhead transmission line composite insulator according to claim 7 string that dangles is characterized in that described socket-clevis eye (8) adopts WS type socket-clevis eye.
9. a kind of overhead transmission line composite insulator according to claim 1 string that dangles; It is characterized in that described earth terminal gold utensil string is connected and composed by ball-eye (4) and two inner arc U-loops (12) at least; Ball-eye (4) is connected with socket arrangement (2); High-pressure side gold utensil string high-pressure side gold utensil string is connected and composed by at least two inner arc U-loops (12), two yoke plates (9), link plate (10), two division suspension clamp (11), and inner arc U-loop (12) is connected with ball head structure (3).
10. according to claim 2 or 3 or 4 or 6 or the 7 or 9 described a kind of overhead transmission line composite insulators string that dangles, it is characterized in that described ball-eye (4) adopts QP type ball-eye.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120262669XU CN202217553U (en) | 2011-07-15 | 2011-07-15 | Composite suspension insulator string of overhead transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120262669XU CN202217553U (en) | 2011-07-15 | 2011-07-15 | Composite suspension insulator string of overhead transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202217553U true CN202217553U (en) | 2012-05-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120262669XU Expired - Fee Related CN202217553U (en) | 2011-07-15 | 2011-07-15 | Composite suspension insulator string of overhead transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202217553U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112271676A (en) * | 2020-11-13 | 2021-01-26 | 中国电力工程顾问集团西南电力设计院有限公司 | 500 kilovolt suspension plate and V-shaped suspension structure in high-altitude area |
-
2011
- 2011-07-15 CN CN201120262669XU patent/CN202217553U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112271676A (en) * | 2020-11-13 | 2021-01-26 | 中国电力工程顾问集团西南电力设计院有限公司 | 500 kilovolt suspension plate and V-shaped suspension structure in high-altitude area |
| CN112271676B (en) * | 2020-11-13 | 2024-05-24 | 中国电力工程顾问集团西南电力设计院有限公司 | 500 KV suspension hanging plate and V-shaped suspension structure in high-altitude area |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANDONG ELECTRIC POWER CORPORATION YANTAI POWER S Free format text: FORMER OWNER: YANTAI ELECTRIC POWER DESIGN INSTITUTE CO., LTD. JIANGSU TIANNAN POWER DEVICE CO., LTD. Effective date: 20130506 Owner name: STATE ELECTRIC NET CROP. Free format text: FORMER OWNER: SHANDONG ELECTRIC POWER CORPORATION YANTAI POWER SUPPLY CO., LTD. Effective date: 20130506 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 264000 YANTAI, SHANDONG PROVINCE TO: 100031 XICHENG, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130506 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: Yantai Power Supply Co., Ltd., Shandong Electric Power Corporation Patentee after: Yantai Electric Power Design Institute Co.,Ltd. Patentee after: Jiangsu Tiannan Power Equipment Co., Ltd. Address before: 264000 Jiefang Road, Shandong, No. 158, Patentee before: Yantai Power Supply Co., Ltd., Shandong Electric Power Corporation Patentee before: Yantai Electric Power Design Institute Co.,Ltd. Patentee before: Jiangsu Tiannan Power Equipment Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120509 Termination date: 20150715 |
|
| EXPY | Termination of patent right or utility model |