CN106639489A - 500 kV large-angle ladder type ground wire single circuit penetrating-crossing tower - Google Patents
500 kV large-angle ladder type ground wire single circuit penetrating-crossing tower Download PDFInfo
- Publication number
- CN106639489A CN106639489A CN201710022914.1A CN201710022914A CN106639489A CN 106639489 A CN106639489 A CN 106639489A CN 201710022914 A CN201710022914 A CN 201710022914A CN 106639489 A CN106639489 A CN 106639489A
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- ground wire
- tower
- arm
- cross
- wire
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/02—Structures made of specified materials
- E04H12/08—Structures made of specified materials of metal
- E04H12/10—Truss-like structures
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/24—Cross arms
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/20—Spatial arrangements or dispositions of lines or cables on poles, posts or towers
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Electric Cable Installation (AREA)
Abstract
The invention provides a 500 kV large-angle ladder type ground wire single circuit penetrating-crossing tower. The 500kV large-angle ladder type ground wire single circuit penetrating-crossing tower is used in penetrating and crossing of a power transmission line being 500 kV or above in a 500 kV single-circuit power transmission line. The penetrating-crossing tower comprises a tower body, an upper layer ground wire cross arm and a lower layer wire cross arm. The upper layer ground wire cross arm is arranged on the top of a tower head of the tower body. The lower layer wire cross arm is arranged on the position, below the upper layer ground wire cross arm, of the tower body. The upper layer ground wire cross arm is in a V shape and provided with a plurality of ground wire hanging points. Ground wires adopt a ladder-type hanging method. Wires are horizontally arranged on the lower layer wire cross arm. The penetrating-crossing tower is designed and optimized by adopting the ground wire suspension ladder-type hanging method and the horizontal wire arranging mode, and the problems that according to an existing tension resistant tower, due to existing of a jumper wire, a tower head is complex in structure, and the height of the tower head is difficult to compress are solved; the design is reasonable, stress is safe and reliable, the appearance is attractive, and the tower is easy to machine and install, has the low tower head height and the low tower body height and meets the requirement of a large-angle corner.
Description
Technical field
The invention belongs to brill and gets over tower technology field, more particularly, to a kind of single time of 500kV wide-angles staged ground wire
Bore and get over tower in road.
Background technology
With the fast development of China's economy, electrical network achieves great-leap-forward development.Newly-built 500kV circuits bore get over 500kV and
The situation of Above Transmission Lines gradually increases, and when circuit is bored and got over, sometimes due to boring the restriction for getting over tower structure, the brill of current structure is got over
Tower can only using detouring, rises the modes such as tower transformation, this make that the technical scheme of the construction of line becomes it is extremely complex, power failure may be needed
Construction, big difficulty of construction, investment height, inconvenient operation maintenance.
At present, 500kV is bored for mono- time and is got over tower major part using anchor support pattern, because anchor support can be reduced to greatest extent
Steel tower exhales height, on the basis of ensureing that the electric clearance after engineering builds up and ambient influnence meet the requirement of national regulation, with
Reduce the width of corridor of UHV transmission line, so as to further solve the corridor resource of China's transmission line of electricity.But anchor support by
More complicated in the presence tower head structure of wire jumper, tower head is highly difficult to compress, and wire jumper sag often governs steel tower and exhale high to enter
One step is reduced.
The content of the invention
In view of this, the invention is directed to a kind of 500kV wide-angles staged ground wire single loop drilling and gets over tower, with full
Demand is got in sufficient power system extra-high voltage, extra high voltage network for 500kV wide-angle single loop drillings.
To reach above-mentioned purpose, what the technical scheme of the invention was realized in：
500kV wide-angle staged ground wire single loop drillings get over tower, including tower body, upper strata ground wire cross-arm and lower layer conductor horizontal stroke
Load, the upper strata ground wire cross-arm is arranged on the top of tower body tower head, and the lower layer conductor cross-arm is arranged on upper strata ground wire on tower body
The bottom of cross-arm；
Tower body is more located in brill, and the horizontal bottom of the upper strata ground wire arranges three brills and gets over side ground wire hanging point；Tower body is in non-
Bore and more locate, the horizontal top of the upper strata ground wire arranges non-boring and gets over side ground wire hanging point, the staged for realizing ground wire hangs method；
The lower layer conductor cross-arm is trapezoid structure, and pendant point before and after some jumper string hanging points and wire is distributed thereon,
Realize that wire is horizontally arranged.
Further, the upper strata ground wire cross-arm is inverted trapezoidal structure, and two outboard ends of inverted trapezoidal structure are all provided with oriented
The triangular structure of lower extension；A non-brill is respectively equipped with the transverse supporting rod on inverted trapezoidal structure top at the position at two ends
The transverse supporting rod connection of more side ground wire hanging point, two triangular structure bottoms of inverted trapezoidal structure and the bottom of upper strata ground wire cross-arm
Brill is equipped with wherein the one of tower body and gets over side ground wire hanging point.
Further, the lower layer conductor cross-arm is divided into the interior angle side wire cross-arm and lengthening exterior angle side being wholely set up and down
Cross-arm, lengthens the length of the length more than interior angle side wire cross-arm of exterior angle side cross-arm.
Further, the two ends of the lower layer conductor cross-arm, be respectively equipped with pendant before and after wire at the position of three, middle part
Point, lengthens the outer side in front and back in exterior angle side cross-arm two ends and interior angle side wire cross-arm middle part and is provided with jumper string hanging point；Specifically, institute
Phase strain insulator hanging point in brill more outside setting foreign minister's strain insulator hanging point, the middle part setting of lower layer conductor cross-arm is stated, to be bored and arrange interior on the inside of more
Phase strain insulator hanging point, the middle phase conductor is connected by hard wire jumper.
Further, the interior angle side of the wire is connected by flexible jumper, and exterior angle side and middle phase conductor are connected by hard wire jumper
Connect.
Relative to prior art, the invention has the advantage that：
(1) by hanging design and optimization that method, the horizontally arranged mode of wire are bored more tower using the outstanding staged of ground wire, solution
Certainly existing anchor support is highly difficult to the problem compressed due to the presence tower head complex structure of wire jumper, tower head；
(2) the interior angle side of wire is connected by flexible jumper, and exterior angle side and middle phase conductor are connected by hard wire jumper.Especially initiate
Middle phase conductor is hung on tower body by ground employing carries out hard wire jumper, the electric property that tower head is arranged more is optimized, and outward
Shape is attractive in appearance, rational in infrastructure.
(3) the more conventional 500kV of tower head size bores more tower (14m tower heads) and can greatly reduce, and can both save steel, again may be used
Meet the electrical distance requirement across at point with abundant.
(4) tower body has the advantages that to bore more convenient, rational in infrastructure, good looking appearance, and its use at the scene will be favourable
In optimization line route, reduce construction costs, shorten the engineering construction cycle, with obvious economic benefit and social benefit.
Under the conditions of scissors crossing is run into, the technical program can effectively solve the problem that problem for extra-high voltage, extra high voltage network.
Description of the drawings
The accompanying drawing for constituting the part of the invention is used for providing further understanding the invention, present invention wound
The schematic description and description made does not constitute the improper restriction to the invention for explaining the invention.
In accompanying drawing：
Fig. 1 is that the structural representation for getting over tower is bored described in the invention embodiment；
Fig. 2 is that the jumper string windage yaw gap circle diagram for getting over tower is bored described in the invention embodiment.
Description of reference numerals：
Non- the boring of 1- gets over side ground wire hanging point, and 2- is bored and got over side ground wire hanging point, 3- jumper string hanging points, pendant point, 5- before and after 4- wires
Tower body, 6- upper stratas ground wire cross-arm, 7- interior angles side wire cross-arm, 8- lengthens exterior angle side cross-arm.
Specific embodiment
It should be noted that in the case where not conflicting, the feature in example and example in the invention can phase
Mutually combination.
The invention is described in detail below with reference to the accompanying drawings and with reference to example.
500kV wide-angle staged ground wire single loop drillings get over tower, as shown in figure 1, including tower body 5, the and of upper strata ground wire cross-arm 6
Lower layer conductor cross-arm, the upper strata ground wire cross-arm 6 is arranged on the top of the tower head of tower body 5, and the lower layer conductor cross-arm is arranged on tower
The bottom of upper strata ground wire cross-arm on body 5；
The lower layer conductor cross-arm is divided into the interior angle side wire cross-arm 7 of left-right integrated setting and lengthens exterior angle side cross-arm 8, plus
Length of the length of long exterior angle side cross-arm 8 more than interior angle side wire cross-arm 7.
The present embodiment bores more 24 meters of tower and exhales height, steel tower root to open as 12 meters, and steel tower top width is 2.2 meters.
Tower body 5 is respectively provided with three brills and gets over side ground in more place, the two ends and middle part of the bottom of the upper strata ground wire horizontal stroke 6 are bored
Line hanging point 2；Tower body is more located in non-boring, and the both upper ends thereof of the upper strata ground wire horizontal stroke 6 is respectively provided with 1 non-boring and gets over side ground wire hanging point
1, the staged for realizing ground wire hangs method；
The lower layer conductor cross-arm is trapezoid structure, and pendant point before and after some jumper string hanging points 3 and wire is distributed thereon
4, realize that wire is horizontally arranged.
Specifically, the upper strata ground wire cross-arm 6 is inverted trapezoidal structure, and two outboard ends of inverted trapezoidal structure are equipped with downwards
The triangular structure of extension；A non-brill is respectively equipped with the transverse supporting rod on inverted trapezoidal structure top at the position at two ends to get over
The transverse supporting rod connection of side ground wire hanging point 1, two triangular structure bottoms of inverted trapezoidal structure and the bottom of upper strata ground wire cross-arm
Brill more side ground wire hanging point 2 is equipped with wherein the one of tower body, the staged for realizing ground wire hangs method.
The lower layer conductor cross-arm is trapezoid structure, and pendant point before and after some jumper string hanging points 3 and wire is distributed thereon
4, realize that wire is horizontally arranged；The interior exterior angle side of the wire is connected by flexible jumper, and middle phase conductor is connected by hard wire jumper.
The brill of lower layer conductor cross-arm described in this example gets over outside and arranges mutually resistance in foreign minister's strain insulator hanging point, middle part setting hanging up
Point, brill get over inner side and arrange interior phase strain insulator hanging point；The brill of the lower layer conductor cross-arm gets over outside and arranges jumper string hanging point, closes on brill and gets over
Medial extremity arranges middle phase jumping wire string hanging point.
Jumper string windage yaw gap circle diagram is illustrated in figure 2, the windage yaw angle of jumper string hanging point is 19 degree.
The interior angle side of the wire is connected by flexible jumper, and exterior angle side and middle phase conductor are connected by hard wire jumper.
Both sides at the two ends of the lower layer conductor cross-arm, three, middle part position are respectively by pendant point and jump before and after wire
Line insulator chain connects the wire that two neighboring tower comes, and realizes the wide-angle turnover of wire；The brill of the invention gets over tower can
The turnover for realizing the wide-angle that circuit angular range is 40 ° -90 ° is supported.
The technical parameter of the invention is as follows：
1st, meteorological condition
2nd, lead wire and earth wire model and tension force
3rd, use condition
3rd, load table
4th, root is opened
5th, basic role power (kN)
| Exhale high (m) | Tmax | Tx | Ty | Nmax | Nx | Ny |
| 18 | 1739.73 | 439.85 | 338.55 | 2068.00 | 504.99 | 399.57 |
| 21 | 1797.12 | 448.35 | 347.52 | 2137.18 | 508.21 | 413.20 |
| 24 | 1845.43 | 448.44 | 357.51 | 2190.14 | 510.48 | 421.97 |
The present embodiment is used when the mono- back transmission lines of 500kV are bored and get over 500kV and above transmission line of electricity, is solved existing resistance to
Tower is opened due to the presence tower head complex structure of wire jumper, tower head is highly difficult to the problem compressed, safely may be used with reasonable in design, stress
By, good looking appearance, it is easily manufactured and installed, with relatively low tower head and tower body height, meet the requirement of wide-angle corner.
The preferred embodiment of the invention is the foregoing is only, it is all at this not to limit the invention
Within the spirit and principle of innovation and creation, any modification, equivalent substitution and improvements made etc. should be included in the invention
Protection domain within.
Claims (5)
1.500kV wide-angle staged ground wire single loop drillings get over tower, it is characterised in that：Including tower body (5), upper strata ground wire cross-arm
(6) and lower layer conductor cross-arm, the upper strata ground wire cross-arm (6) is arranged on the top of tower body (5) tower head, the lower layer conductor cross-arm
It is arranged on the bottom of upper strata ground wire cross-arm (6) on tower body (5)；
Tower body (5) is bored and gets over side ground wire hanging point (2) in more place, the bottom setting three of upper strata ground wire horizontal stroke (6) is bored；At tower body
More locate in non-boring, the top of upper strata ground wire horizontal stroke (6) arranges non-boring and gets over side ground wire hanging point (1), and the staged for realizing ground wire is hung
Method；
The lower layer conductor cross-arm is trapezoid structure, and pendant point before and after some jumper string hanging points (3) and wire is distributed thereon
(4), realize that wire is horizontally arranged.
2. 500kV wide-angles staged ground wire single loop drilling according to claim 1 gets over tower, it is characterised in that：On described
Layer ground wire cross-arm (6) is inverted trapezoidal structure, and two outboard ends of inverted trapezoidal structure are equipped with the triangular structure for extending downwardly；
Non- boring is respectively equipped with the transverse supporting rod on trapezium structure top at the position at two ends and gets over side ground wire hanging point (1), ladder
It is equal at wherein the one of the transverse supporting rod connection tower body of two triangular structure bottoms of shape structure and the bottom of upper strata ground wire cross-arm
It is provided with brill and gets over side ground wire hanging point (2).
3. 500kV wide-angles staged ground wire single loop drilling according to claim 1 gets over tower, it is characterised in that：Under described
Layer conductor cross-arm is divided into interior angle side wire cross-arm (7) of left-right integrated setting and lengthens exterior angle side cross-arm (8), lengthens exterior angle side horizontal
Length of the length of load (8) more than interior angle side wire cross-arm (7).
4. 500kV wide-angles staged ground wire single loop drilling according to claim 1 gets over tower, it is characterised in that：Under described
Pendant point (4) before and after wire is respectively equipped with the two ends of layer conductor cross-arm, three, middle part position, is lengthened exterior angle side cross-arm (8)
The outer side in front and back in two ends and interior angle side wire cross-arm (7) middle part is provided with jumper string hanging point (3).
5. 500kV wide-angles staged ground wire single loop drilling according to claim 1 gets over tower, it is characterised in that：It is described to lead
The interior angle side of line is connected by flexible jumper, and exterior angle side and middle phase conductor are connected by hard wire jumper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710022914.1A CN106639489A (en) | 2017-01-12 | 2017-01-12 | 500 kV large-angle ladder type ground wire single circuit penetrating-crossing tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710022914.1A CN106639489A (en) | 2017-01-12 | 2017-01-12 | 500 kV large-angle ladder type ground wire single circuit penetrating-crossing tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106639489A true CN106639489A (en) | 2017-05-10 |
Family
ID=58842901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710022914.1A Pending CN106639489A (en) | 2017-01-12 | 2017-01-12 | 500 kV large-angle ladder type ground wire single circuit penetrating-crossing tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106639489A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109469399A (en) * | 2018-12-14 | 2019-03-15 | 贵阳电力设计院有限公司 | Single loop steel tower that is a kind of while solving to bore more and cross over demand |
| CN109898913A (en) * | 2019-01-30 | 2019-06-18 | 中国电建集团河北省电力勘测设计研究院有限公司 | A kind of double loop 500kV straight line, which bores, gets over tower |
| CN114458069A (en) * | 2022-03-10 | 2022-05-10 | 中国能源建设集团湖南省电力设计院有限公司 | Big corner "does" style of calligraphy transformer substation strain insulator tower of being qualified for next round of competitions |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2005135571A (en) * | 2005-11-16 | 2007-06-10 | Юрий Робертович Гунгер (RU) | SUPPORT FOR HIGH AND ULTRA HIGH VOLTAGE ELECTRIC TRANSMISSION LINES AND FOR MULTI-CHAIN ELECTRIC TRANSMISSION LINES |
| CN201953131U (en) * | 2011-01-21 | 2011-08-31 | 河北省电力勘测设计研究院 | 220kV one-tower double-loop straight corner penetrating tower |
| CN201963014U (en) * | 2011-03-31 | 2011-09-07 | 河北省电力勘测设计研究院 | 220-kilovolt full-angle single circuit drilling tower |
| CN202017375U (en) * | 2011-01-21 | 2011-10-26 | 河北省电力勘测设计研究院 | 220 kV olecranon butterfly drilling and crossing tower |
-
2017
- 2017-01-12 CN CN201710022914.1A patent/CN106639489A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2005135571A (en) * | 2005-11-16 | 2007-06-10 | Юрий Робертович Гунгер (RU) | SUPPORT FOR HIGH AND ULTRA HIGH VOLTAGE ELECTRIC TRANSMISSION LINES AND FOR MULTI-CHAIN ELECTRIC TRANSMISSION LINES |
| CN201953131U (en) * | 2011-01-21 | 2011-08-31 | 河北省电力勘测设计研究院 | 220kV one-tower double-loop straight corner penetrating tower |
| CN202017375U (en) * | 2011-01-21 | 2011-10-26 | 河北省电力勘测设计研究院 | 220 kV olecranon butterfly drilling and crossing tower |
| CN201963014U (en) * | 2011-03-31 | 2011-09-07 | 河北省电力勘测设计研究院 | 220-kilovolt full-angle single circuit drilling tower |
Non-Patent Citations (1)
| Title |
|---|
| 宋岩等: ""200kV同塔双回路钻越500kV线路方案研究"", 《中国电力建设科技成果专辑 2012年度下册》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109469399A (en) * | 2018-12-14 | 2019-03-15 | 贵阳电力设计院有限公司 | Single loop steel tower that is a kind of while solving to bore more and cross over demand |
| CN109898913A (en) * | 2019-01-30 | 2019-06-18 | 中国电建集团河北省电力勘测设计研究院有限公司 | A kind of double loop 500kV straight line, which bores, gets over tower |
| CN114458069A (en) * | 2022-03-10 | 2022-05-10 | 中国能源建设集团湖南省电力设计院有限公司 | Big corner "does" style of calligraphy transformer substation strain insulator tower of being qualified for next round of competitions |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170510 |
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| RJ01 | Rejection of invention patent application after publication |