CN105178677A - Linear tower for ultrahigh-voltage direct-current lines and with two poles arranged vertically - Google Patents
Linear tower for ultrahigh-voltage direct-current lines and with two poles arranged vertically Download PDFInfo
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- CN105178677A CN105178677A CN201510519815.5A CN201510519815A CN105178677A CN 105178677 A CN105178677 A CN 105178677A CN 201510519815 A CN201510519815 A CN 201510519815A CN 105178677 A CN105178677 A CN 105178677A
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- 239000000463 material Substances 0.000 claims abstract description 10
- 239000004020 conductor Substances 0.000 claims description 23
- 239000012212 insulator Substances 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 14
- 239000002131 composite material Substances 0.000 claims description 13
- 239000011800 void material Substances 0.000 claims description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The invention relates to a linear tower for ultrahigh-voltage direct-current lines and with two poles arranged vertically. The linear tower comprises a tower head and a tower body. The linear tower is characterized in that the tower head comprises a left lower crank arm, one end of the left lower crank arm is connected with the tower body while the other end of the left lower crank arm is connected with a left vertical crank arm, a top cross arm, a right vertical crank arm and a right lower crank arm sequentially, and the other end of the right lower crank arm is connected with the tower body; a ground line support is arranged at each of two ends of an upper plane of the top cross arm, a first V string hanging point is arranged at a position where a lower plane of the top cross arm is connected with the left vertical crank arm, a second V string hanging point is arranged at a position where the lower plane of the top cross arm is connected with the right vertical crank arm, a third V string hanging point is arranged on a transverse material in the middle of the left vertical crank arm, a fourth V string hanging point is arranged on a transverse material in the middle of the right vertical crank arm, and an upper pole lead is arranged on the upper portion of a closed tower window in a hung manner while a lower pole lead is arranged on the lower portion of the closed tower window in a hung manner. The linear tower is symmetric in structure and more reasonable in stress and can be widely used in ultrahigh-voltage direct-current line corridor crowded areas.
Description
Technical field
The present invention relates to a kind of tangent tower for extra high voltage direct current transmission line, particularly about a kind of tangent tower of the two poles of the earth vertical arrangement for UHVDC Transmission Lines.
Background technology
Routine ± more than 800kV extra high voltage direct current transmission line generally adopts " doing " font tower, and the arrangement of polar conductor is generally horizontal arranging mode, and this corridor causing it to take is wider, and corridor crowded location removal amount is larger.UHVDC Transmission Lines wire vertical arrangement adopted F type tower in the past, and F type tower is due to self asymmetric force structure, and tower material index is higher.Along with the development of power grid construction, power transmission line corridor resource is day by day in short supply, and the shaft tower application of vertical arrangement will be more and more wider, urgently a kind of shaft tower pattern of novel vertical arrangement, and make shaft tower stressed more reasonable, tower weight index is more excellent.
Summary of the invention
For the problems referred to above, the object of this invention is to provide a kind of symmetrical configuration, and the tangent tower that circuit tolls breakdown the two poles of the earth vertical arrangement for UHVDC Transmission Lines of district's width of corridor can be effectively reduced.
For achieving the above object, the present invention takes following technical scheme: a kind of tangent tower of the two poles of the earth vertical arrangement for UHVDC Transmission Lines, comprise tower head and tower body, it is characterized in that: described tower head comprises that cranking arm in lower-left, vertically cranks arm in a left side, top cross-arm, vertically crank arm in the right side and cranks arm in bottom right; One end of cranking arm, described lower-left is connected with described tower body, the other end is vertically cranked arm with a described left side successively, vertically crank arm in top cross-arm, the right side and crank arm in bottom right is connected, the other end cranked arm in described bottom right is also connected with described tower body, cranking arm in described lower-left, vertically cranks arm in a left side, vertically crank arm in top cross-arm, the right side and crank arm in bottom right common form close tower window; On the cross-arm of described top, plane two ends are respectively arranged with one for hanging the earth wire support of ground wire, and earth wire support described in two and described top cross-arm form closely " V " font structure; Described top cross-arm lower plane and described left side junction of vertically cranking arm is provided with the first V-type composite insulator string hitch point, and described top cross-arm lower plane and described right side junction of vertically cranking arm is provided with the second V-type composite insulator string hitch point; A described left side vertically crank arm middle part horizontal material on be provided with the 3rd V-type composite insulator string hitch point, the described right side vertically crank arm middle part horizontal material on be provided with the 4th V-type composite insulator string hitch point; Upper polar conductor is arranged on closed tower window top by the insulator string first, second V-type composite insulator string hitch point described hanging setting, and lower polar conductor is arranged on closed tower window bottom by the insulator string described 3rd, the 4th V-type composite insulator string hitch point hanging setting.
Vertically cranking arm in a left side for described tower head, vertically cranks arm in the right side, and middle part connects cross-arm in, and closed tower window is divided into upper and lower tower window by described middle cross-arm, and described upper polar conductor hangs and is arranged in described upper tower window, and described lower polar conductor hangs and is arranged in lower tower window.
Vertically crank arm in a described left side, right length of vertically cranking arm and vertically crank arm in a described left side, right vertically crank arm between distance, also namely close the length of tower window and width and should meet the Clearance joints that described upper polar conductor and lower polar conductor control the minimum air void value that tower body requires.
The present invention is owing to taking above technical scheme, it has the following advantages: 1, the present invention is owing to adopting two polar conductor vertical arrangement designs, the two poles of the earth wire arrangements mode horizontally becomes vertical arrangement from routine, at identical wire under ground level, under comparing identical service condition, horizontal tower, can effectively reduce circuit and toll breakdown district's width of corridor.2, the enclosed construction of the present invention's similar regular compact tangent tower because tower head adopts, relative to " F " type tower of conventional UHVDC Transmission Lines, its symmetrical configuration, stressed more reasonable, tower weight index is more excellent.3, the present invention is due to cross-arm in arranging in the middle part of tower head, effectively can improve the main material force-bearing situation in inner side of vertically cranking arm, and the installation and operation of convenient lower polar conductor is simultaneously safeguarded.Thus the present invention can be widely used in congested area, UHVDC Transmission Lines corridor.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention
Fig. 2 is the partial enlarged drawing of Fig. 1
Fig. 3 is another embodiment of the present invention structural representation
Fig. 4 is the partial enlarged drawing of Fig. 3
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in detail.
As shown in Figure 1 and Figure 2, the present invention comprises tower head 1 and tower body 2 for the tower body of the tangent tower of the two poles of the earth vertical arrangement of UHVDC Transmission Lines.Tower head 1 comprises that lower-left cranks arm 10, vertically crank arm in a left side 11, vertically crank arm in top cross-arm 12, the right side 13 and bottom right crank arm 14.10 one end of cranking arm, lower-left are connected with tower body 2, the other end vertically cranks arm 11 successively with a left side, vertically crank arm in top cross-arm 12, the right side 13 and bottom right crank arm and 14 to be connected, bottom right crank arm 14 the other end be also connected with tower body 2, make lower-left crank arm 10, a left side vertically crank arm 11, top cross-arm 12, the right side vertically crank arm 13 and bottom right crank arm and 14 jointly form and close tower window.On top cross-arm 12, plane two ends are respectively arranged with one and form closely " V " font structure for earth wire support 121, two earth wire support 121 hanging ground wire with top cross-arm 12.Top cross-arm 12 lower plane and a left side 11 junctions of vertically cranking arm are provided with a V-type composite insulator string hitch point 122 (lower be called for short V go here and there hanging point), and top cross-arm 12 lower plane and the right side 13 junctions of vertically cranking arm are provided with V and go here and there hanging point 123.Left horizontal material of vertically cranking arm in the middle part of 11 is provided with V and goes here and there hanging point 111, right horizontal material of vertically cranking arm in the middle part of 13 is provided with V and goes here and there hanging point 131.Upper polar conductor 15 is arranged on closed tower window top by the insulator string 16 V string hanging point 122,123 hanging setting, lower polar conductor 17 is gone here and there by V the insulator string 18 hanging point 111,131 hanging setting and is arranged on closed tower window bottom, namely goes up polar conductor 15 and lower polar conductor 17 vertical arrangement is arranged in closed tower window.
In above-described embodiment, as shown in Figure 3, Figure 4, the left side of tower head 1 vertically cranks arm 11, vertically crank arm in the right side connects cross-arm 19 in the middle part of 13, and closed tower window is divided into upper and lower tower window by middle cross-arm 19, upper polar conductor 15 hangs and is arranged in tower window, and lower polar conductor 17 hangs and is arranged in lower tower window.
In the various embodiments described above, left vertically crank arm 11, right vertically crank arm 13 length and a left side vertically cranks arm 11, right distance of vertically cranking arm between 13, also namely close the length of tower window and width and should meet the Clearance joints that minimum air void value that upper polar conductor 15 and lower polar conductor 17 pairs of tower bodies require controls.
The various embodiments described above are only for illustration of the present invention; wherein the structure of each parts, connected mode and manufacture craft etc. all can change to some extent; every equivalents of carrying out on the basis of technical solution of the present invention and improvement, all should not get rid of outside protection scope of the present invention.
Claims (3)
1. for a tangent tower for the two poles of the earth vertical arrangement of UHVDC Transmission Lines, comprise tower head and tower body, it is characterized in that: described tower head comprises that cranking arm in lower-left, vertically cranks arm in a left side, top cross-arm, vertically crank arm in the right side and cranks arm in bottom right;
One end of cranking arm, described lower-left is connected with described tower body, the other end is vertically cranked arm with a described left side successively, vertically crank arm in top cross-arm, the right side and crank arm in bottom right is connected, the other end cranked arm in described bottom right is also connected with described tower body, cranking arm in described lower-left, vertically cranks arm in a left side, vertically crank arm in top cross-arm, the right side and crank arm in bottom right common form close tower window;
On the cross-arm of described top, plane two ends are respectively arranged with one for hanging the earth wire support of ground wire, and earth wire support described in two and described top cross-arm form closely " V " font structure; Described top cross-arm lower plane and described left side junction of vertically cranking arm is provided with the first V-type composite insulator string hitch point, and described top cross-arm lower plane and described right side junction of vertically cranking arm is provided with the second V-type composite insulator string hitch point; A described left side vertically crank arm middle part horizontal material on be provided with the 3rd V-type composite insulator string hitch point, the described right side vertically crank arm middle part horizontal material on be provided with the 4th V-type composite insulator string hitch point; Upper polar conductor is arranged on closed tower window top by the insulator string first, second V-type composite insulator string hitch point described hanging setting, and lower polar conductor is arranged on closed tower window bottom by the insulator string described 3rd, the 4th V-type composite insulator string hitch point hanging setting.
2. the tangent tower of a kind of the two poles of the earth vertical arrangement for UHVDC Transmission Lines as claimed in claim 1, it is characterized in that: vertically cranking arm in a left side for described tower head, vertically cranks arm in the right side, and middle part connects cross-arm in, closed tower window is divided into upper and lower tower window by described middle cross-arm, described upper polar conductor hangs and is arranged in described upper tower window, and described lower polar conductor hangs and is arranged in lower tower window.
3. the tangent tower of a kind of the two poles of the earth vertical arrangement for UHVDC Transmission Lines as claimed in claim 1 or 2, it is characterized in that: vertically crank arm in a described left side, right length of vertically cranking arm and vertically crank arm in a described left side, right vertically crank arm between distance, also namely close the length of tower window and width and should meet the Clearance joints that described upper polar conductor and lower polar conductor control the minimum air void value that tower body requires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510519815.5A CN105178677A (en) | 2015-08-21 | 2015-08-21 | Linear tower for ultrahigh-voltage direct-current lines and with two poles arranged vertically |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510519815.5A CN105178677A (en) | 2015-08-21 | 2015-08-21 | Linear tower for ultrahigh-voltage direct-current lines and with two poles arranged vertically |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105178677A true CN105178677A (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510519815.5A Pending CN105178677A (en) | 2015-08-21 | 2015-08-21 | Linear tower for ultrahigh-voltage direct-current lines and with two poles arranged vertically |
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| CN (1) | CN105178677A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106639492A (en) * | 2016-12-22 | 2017-05-10 | 国网福建省电力有限公司 | 3V bunch iron tower and construction process thereof |
| CN106887818A (en) * | 2017-05-03 | 2017-06-23 | 中国电力工程顾问集团西南电力设计院有限公司 | A kind of double division ground wire arrangements of DC line |
| CN107869272A (en) * | 2016-09-23 | 2018-04-03 | 国家电网公司 | Tower of ± 800kV the extra-high voltage direct-currents with 330kV ultrahigh-voltage alternating-currents circuit with tower |
| CN107869271A (en) * | 2016-09-23 | 2018-04-03 | 国家电网公司 | Pyramidal structure of ± 1100kV the extra-high voltage direct-currents with 750kV ultrahigh-voltage alternating-currents circuit with tower |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004339751A (en) * | 2003-05-14 | 2004-12-02 | Kokuyo Denko Kk | Assembled support structure |
| CN201141223Y (en) * | 2007-12-04 | 2008-10-29 | 国网北京电力建设研究院 | Self-supporting door type power transmission iron tower for DC transmission line |
| CN102817489A (en) * | 2012-09-11 | 2012-12-12 | 河北省电力勘测设计研究院 | Double-tower-window double-loop linear tower |
| CN103726703A (en) * | 2013-11-22 | 2014-04-16 | 国家电网公司 | Alternating current extra-high voltage same-tower double-circuit tangent tower |
| CN204552245U (en) * | 2015-04-20 | 2015-08-12 | 中国电力工程顾问集团中南电力设计院有限公司 | A kind of extra-high voltage direct-current tangent tower of wire vertical arrangement |
| CN204876745U (en) * | 2015-08-21 | 2015-12-16 | 国家电网公司 | A tangent tower that is used for two poles of earth vertical arrangement of special high voltage direct current circuit |
-
2015
- 2015-08-21 CN CN201510519815.5A patent/CN105178677A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004339751A (en) * | 2003-05-14 | 2004-12-02 | Kokuyo Denko Kk | Assembled support structure |
| CN201141223Y (en) * | 2007-12-04 | 2008-10-29 | 国网北京电力建设研究院 | Self-supporting door type power transmission iron tower for DC transmission line |
| CN102817489A (en) * | 2012-09-11 | 2012-12-12 | 河北省电力勘测设计研究院 | Double-tower-window double-loop linear tower |
| CN103726703A (en) * | 2013-11-22 | 2014-04-16 | 国家电网公司 | Alternating current extra-high voltage same-tower double-circuit tangent tower |
| CN204552245U (en) * | 2015-04-20 | 2015-08-12 | 中国电力工程顾问集团中南电力设计院有限公司 | A kind of extra-high voltage direct-current tangent tower of wire vertical arrangement |
| CN204876745U (en) * | 2015-08-21 | 2015-12-16 | 国家电网公司 | A tangent tower that is used for two poles of earth vertical arrangement of special high voltage direct current circuit |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107869272A (en) * | 2016-09-23 | 2018-04-03 | 国家电网公司 | Tower of ± 800kV the extra-high voltage direct-currents with 330kV ultrahigh-voltage alternating-currents circuit with tower |
| CN107869271A (en) * | 2016-09-23 | 2018-04-03 | 国家电网公司 | Pyramidal structure of ± 1100kV the extra-high voltage direct-currents with 750kV ultrahigh-voltage alternating-currents circuit with tower |
| CN106639492A (en) * | 2016-12-22 | 2017-05-10 | 国网福建省电力有限公司 | 3V bunch iron tower and construction process thereof |
| CN106887818A (en) * | 2017-05-03 | 2017-06-23 | 中国电力工程顾问集团西南电力设计院有限公司 | A kind of double division ground wire arrangements of DC line |
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| PB01 | Publication | ||
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Application publication date: 20151223 |