CN204920412U - Strain insulator tower of low clearance - Google Patents
Strain insulator tower of low clearance Download PDFInfo
- Publication number
- CN204920412U CN204920412U CN201520605511.6U CN201520605511U CN204920412U CN 204920412 U CN204920412 U CN 204920412U CN 201520605511 U CN201520605511 U CN 201520605511U CN 204920412 U CN204920412 U CN 204920412U
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- CN
- China
- Prior art keywords
- wire
- arm
- cross
- tower
- cross arm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000012211 strain insulator Substances 0.000 title abstract 5
- 239000004020 conductor Substances 0.000 claims abstract description 66
- 239000012212 insulator Substances 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 abstract description 9
- 241001074085 Scophthalmus aquosus Species 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 2
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
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- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The utility model provides a strain insulator tower of low clearance, the strain insulator tower includes in and wire cross arm down of body of the tower, ground wire cross arm, upper conductor cross arm, ground wire cross arm, upper conductor cross arm in and down the wire cross arm uses the body of the tower as the symmetry axis, in the symmetry setting in proper order of the body of the tower top -down of department, ground wire cross arm end is equipped with the ground wire and hangs the point, and upper conductor cross arm end is equipped with photogenic wire and hangs the point during wire cross arm end is equipped with down in, the looks wire hangs point, well looks wire are hung between point and iron tower body of the tower in down, and wire cross arm department still is equipped with bottom phase wire string point. The utility model discloses a reduce strain insulator tower height degree, promoted the brill of strain insulator tower in transmission line bores more engineering ability more.
Description
Technical field
The utility model relates to transmission line of electricity, especially a kind of anchor support of low clearance.
Background technology
Along with the progress of China's electric power, between different electric pressure or with having a lot of local intersection between electric pressure, especially the generality of 220kV transmission line of electricity application, 220kV transmission line of electricity will be there will be and bore transmission lines of electricity such as getting over 220kV, 500kV, and boring more in engineering, anchor support comes into one's own because of its good enabling capabilities.
At present because corridor resource is nervous, newly-built 220kV transmission line of electricity is mostly with common-tower double-return Lu Weizhu, and its tower structure mainly adopts umbellate form or drum type form of structure.Umbellate form or drum type tower structure are provided with four layers of cross-arm, are from top to bottom respectively ground wire cross-arm, upper conductor cross-arm, middle wire cross-arm, lower wire cross-arm.Due to this vertical arrangement lead wire and earth wire arrangement form, its tower structure tower head is higher, makes the lead location that hangs on this type of shaft tower also very high, bore more transmission line of electricity time often very difficult, therefore how reducing the height of this type of tower, is a research direction.
Summary of the invention
The utility model proposes a kind of anchor support of low clearance, while guarantee anchor support supporting capacity, reduce the height of anchor support,
The utility model by the following technical solutions.
An anchor support for low clearance, described anchor support comprises tower body, ground wire cross-arm, upper conductor cross-arm and middle lower wire cross-arm, and described ground wire cross-arm, upper conductor cross-arm and middle lower wire cross-arm take tower body as axis of symmetry, and at tower body, place is symmetrical arranged from top to bottom successively; Described ground wire cross-arm end is provided with ground wire hanging point, and upper conductor cross-arm end is provided with phase conductor hanging point, and middle lower wire cross-arm end is provided with middle phase conductor hanging point, and the middle lower wire cross-arm place between middle phase conductor hanging point and steel tower tower body is also provided with lower phase conductor hanging point.
The coplanar setting on tower body of described ground wire cross-arm and upper conductor cross-arm.
Described tower body adopts square form every face.
The wire jumper of described anchor support adopts pendency jumper string form, and on it, the hanging point of phase conductor wire jumper insulator string is positioned at the upper conductor wire jumper double angle that ground wire cross-arm is arranged; The hanging point of middle phase conductor wire jumper insulator string is arranged in the wire wire jumper double angle that lower wire cross-arm is arranged, the hanging point of lower phase conductor wire jumper insulator string is arranged in the lower wire wire jumper double angle that lower wire cross-arm is arranged.
Middle lower wire cross-arm end of the present utility model is provided with middle phase conductor hanging point, middle lower wire cross-arm place between middle phase conductor hanging point and steel tower tower body is also provided with lower phase conductor hanging point, designed on same cross-arm by phase conductor in handle and lower phase conductor, decrease the cross-arm quantity on tower, directly reduce tower height, this anchor support is bored at transmission line of electricity and more has good brill more ability in engineering.
The coplanar setting on tower body of ground wire cross-arm of the present utility model and upper conductor cross-arm, avoids cross-arm to connect tower body nodes of locations plate groove and welds, reduce fire song etc. and cause processed complex, avoid stressed unreasonable.
The wire jumper of anchor support described in the utility model adopts pendency jumper string form, on it, the hanging point of phase conductor wire jumper insulator string is positioned at the upper conductor wire jumper double angle that ground wire cross-arm is arranged, the hanging point of middle phase conductor wire jumper insulator string is arranged in the wire wire jumper double angle that lower wire cross-arm is arranged, the hanging point of lower phase conductor wire jumper insulator string is arranged in the lower wire wire jumper double angle that lower wire cross-arm is arranged, this make the wire jumper of phase conductor with in lower phase conductor wire jumper with opposing arc minutes from, increase electrical isolation distance, safer.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further illustrated;
Accompanying drawing 1 is the schematic diagram of product described in the utility model;
Accompanying drawing 2 is product described in the utility model schematic diagrames after conducting wire and wire jumper;
Accompanying drawing 3 be product described in the utility model overlook to schematic diagram;
Accompanying drawing 4 is products described in the utility model being applied to the schematic diagram (not drawing ground wire) when power delivery circuit bores more engineering;
In figure: 1-ground wire hanging point, the upper phase conductor hanging point of 2-, phase conductor hanging point in 3, phase conductor hanging point under 4-, 6-tower body, 7-ground wire cross-arm, 8-upper conductor cross-arm, lower wire cross-arm in 9-, 10-ground wire, the upper phase conductor of 11-, phase conductor in 12-, 13-upper phase conductor wire jumper insulator string, 14-wire insulation substring, 15-wire jumper, phase conductor under 16-, phase conductor in 17-, 18-upper conductor wire jumper double angle, wire wire jumper double angle in 19-, 20-lower wire wire jumper double angle, more important or the more high-tension circuit of 21-and steel tower, 22-the utility model anchor support, phase conductor wire jumper insulator string in 23-.
Detailed description of the invention
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of anchor support of low clearance, described anchor support comprises tower body 6, ground wire cross-arm 7, upper conductor cross-arm 8 and middle lower wire cross-arm 9, described ground wire cross-arm 7, upper conductor cross-arm 8 and middle lower wire cross-arm 9 are with tower body 6 for axis of symmetry, and at tower body 6, place is symmetrical arranged from top to bottom successively; Described ground wire cross-arm 7 end is provided with ground wire hanging point 1, upper conductor cross-arm 8 end is provided with phase conductor hanging point 2, middle lower wire cross-arm 9 end is provided with middle phase conductor hanging point 3, and middle lower wire cross-arm 9 place between middle phase conductor hanging point 3 and steel tower tower body 6 is also provided with lower phase conductor hanging point 4.
The coplanar setting on tower body of described ground wire cross-arm 7 and upper conductor cross-arm 8.
Described tower body 6 adopts square form every face.
The wire jumper 15 of described anchor support adopts pendency jumper string form, and on it, the hanging point of phase conductor wire jumper insulator string 13 is positioned at the upper conductor wire jumper double angle 18 that ground wire cross-arm 7 is arranged; The hanging point of middle phase conductor wire jumper insulator string 23 is arranged in the wire wire jumper double angle 19 that lower wire cross-arm 9 is arranged, the hanging point of lower phase conductor wire jumper insulator string is arranged in the lower wire wire jumper double angle 20 that lower wire cross-arm 9 is arranged.
As shown in Figure 4, boring at power transmission cable gets in engineering, because the height of this product is low, make the minimum pendency height of the upper phase conductor 11 on the utility model anchor support 22, middle phase conductor 17, lower phase conductor 16 lower than the wire on more important or more high-tension circuit and steel tower 21, thus complete smoothly and bore more, the wire on the utility model product is from the wire the more drill-through more important or more high-tension circuit of low clearance and steel tower 21.
Claims (4)
1. the anchor support of a low clearance, it is characterized in that: described anchor support comprises tower body (6), ground wire cross-arm (7), upper conductor cross-arm (8) and middle lower wire cross-arm (9), described ground wire cross-arm (7), upper conductor cross-arm (8) and middle lower wire cross-arm (9), are symmetrical arranged at tower body (6) place for axis of symmetry from top to bottom successively with tower body (6); Described ground wire cross-arm (7) end is provided with ground wire hanging point (1), upper conductor cross-arm (8) end is provided with phase conductor hanging point (2), middle lower wire cross-arm (9) end is provided with middle phase conductor hanging point (3), and middle lower wire cross-arm (9) place between middle phase conductor hanging point (3) and steel tower tower body (6) is also provided with lower phase conductor hanging point (4).
2. the anchor support of a kind of low clearance according to claim 1, is characterized in that: described ground wire cross-arm (7) and upper conductor cross-arm (8) coplanar setting on tower body.
3. the anchor support of a kind of low clearance according to claim 1, is characterized in that: described tower body (6) adopts square form every face.
4. the anchor support of a kind of low clearance according to claim 1, it is characterized in that: the wire jumper (15) of described anchor support adopts pendency jumper string form, and on it, the hanging point of phase conductor wire jumper insulator string (13) is positioned at the upper upper conductor wire jumper double angle (18) arranged of ground wire cross-arm (7); The hanging point of middle phase conductor wire jumper insulator string (23) is arranged in the upper wire wire jumper double angle (19) of setting of lower wire cross-arm (9), the hanging point of lower phase conductor wire jumper insulator string is arranged in the upper lower wire wire jumper double angle (20) arranged of lower wire cross-arm (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520605511.6U CN204920412U (en) | 2015-08-13 | 2015-08-13 | Strain insulator tower of low clearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520605511.6U CN204920412U (en) | 2015-08-13 | 2015-08-13 | Strain insulator tower of low clearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204920412U true CN204920412U (en) | 2015-12-30 |
Family
ID=54969550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520605511.6U Expired - Fee Related CN204920412U (en) | 2015-08-13 | 2015-08-13 | Strain insulator tower of low clearance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204920412U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105839977A (en) * | 2016-05-25 | 2016-08-10 | 贵州电力设计研究院 | Wire triangular arrangement two -circuit tower |
| CN113572117A (en) * | 2021-06-11 | 2021-10-29 | 国网山东省电力公司烟台供电公司 | Device and method for realizing overhead drilling by adopting single-loop-trunk-shaped terminal tower |
| CN114753704A (en) * | 2022-05-19 | 2022-07-15 | 中国电建集团河北省电力勘测设计研究院有限公司 | Triangular-arrangement 500kV double-loop strain drill crossing tower |
-
2015
- 2015-08-13 CN CN201520605511.6U patent/CN204920412U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105839977A (en) * | 2016-05-25 | 2016-08-10 | 贵州电力设计研究院 | Wire triangular arrangement two -circuit tower |
| CN113572117A (en) * | 2021-06-11 | 2021-10-29 | 国网山东省电力公司烟台供电公司 | Device and method for realizing overhead drilling by adopting single-loop-trunk-shaped terminal tower |
| CN114753704A (en) * | 2022-05-19 | 2022-07-15 | 中国电建集团河北省电力勘测设计研究院有限公司 | Triangular-arrangement 500kV double-loop strain drill crossing 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: 20151230 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |