CN203924854U - A kind of 500kV double loop upper and lower window vertical arrangement compact steel tower - Google Patents
A kind of 500kV double loop upper and lower window vertical arrangement compact steel tower Download PDFInfo
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- CN203924854U CN203924854U CN201420367773.9U CN201420367773U CN203924854U CN 203924854 U CN203924854 U CN 203924854U CN 201420367773 U CN201420367773 U CN 201420367773U CN 203924854 U CN203924854 U CN 203924854U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 24
- 239000010959 steel Substances 0.000 title claims abstract description 24
- 239000012212 insulator Substances 0.000 claims description 107
- 239000004020 conductor Substances 0.000 claims description 12
- 210000003323 beak Anatomy 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 11
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
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Abstract
A kind of 500kV double loop upper and lower window vertical arrangement compact steel tower, comprises tower head, tower body and column foot, crossbeam in described tower head, and tower head is divided into upper and lower two-layer window by crossbeam, parent window and the lower floor's window layout that superposes in vertical direction; On tower head, be hung with wire twice, this kind of tower can hang wire twice, and twice wires are placed in respectively in the parent window of tower head and in lower floor's window.The utility model good looking appearance, hanging point and hanging point cross section arrange rationally, and rigidity is coordinated from top to bottom, and power transmission is clear, and globality is better, and steel tower displacement is relatively little, has the ability of resisting more by force the natural calamity such as strong wind, icing.The utility model efficiently solves each electric pressure, especially high voltage, the extra-high pressure transmission line cross-arm long series of problems bringing of encorbelmenting, can effectively reduce steel tower transverse width, thereby reduce circuit width of corridor, channel cleanup expense is significantly reduced.
Description
Technical field
The utility model relates to power industry 500kV double loop upper and lower window vertical arrangement compact steel tower, can effectively improve circuit nature transmission power, effectively compresses power transmission sequence width of corridor.
Background technology
Circuit compact transmission technology be China nearly ten years, obtain rapidly research, development and application a great new technology.Along with domestic economy high speed development, the continuous quickening of urbanization process, city also increases the demand of electric power and consumption thereupon, and the problem of the shortage of land resource that urbanization process is brought, circuit corridor land used scarcity also more and more highlights, the requirement that therefore improves unit line width of corridor ability to transmit electricity is day by day urgent.
At present, domestic existing many of building up, the single loop of each electric pressure, double loop compact line.According to existing line project, domestic 500kV double-circuit line mainly adopts cydariform steel tower, and cross-arm is chosen outward from tower body, is four layers of symmetrical cantilevered structure; Part voltage levels double-loop compact circuit adopts "T"-shaped tower head, compared with cydariform tower head, the "T"-shaped tower head that double-loop compact circuit adopts remains symmetrical cantilevered structure, and steel tower transverse width is larger, fail to reduce circuit width of corridor, removal scope does not reduce.Take up an area and removal expense though single loop compact can be saved, conveying capacity is limited, can not meet the needs of Chinese Urbanization's construction high speed development.
Utility model content
The technical problems to be solved in the utility model is, overcomes the above-mentioned defect that prior art exists, and provides one can effectively reduce steel tower transverse width, reduces the 500kV double loop upper and lower window vertical arrangement compact steel tower of circuit width of corridor.
The utility model solves the technical scheme that its technical problem adopts:
A kind of 500kV double loop upper and lower window vertical arrangement compact steel tower, comprises tower head, tower body and column foot, in described tower head, is provided with crossbeam, and tower head is divided into upper and lower two-layer window by crossbeam, parent window and the lower floor's window layout that superposes in vertical direction; On tower head, be hung with wire twice, this kind of tower can hang wire twice, and twice wires are placed in respectively in the parent window of tower head and in lower floor's window.
Further, twice wire is three-phase conducting wire, and the wherein three-phase conducting wire space arrangement triangular in shape in twice wires is placed in parent window, and another time three-phase conducting wire space arrangement triangular in shape in twice wires is placed in lower floor's window.
Further, the first insulator V string and the second insulator V string in parent window, are arranged side by side, one end of the first insulator V string is fixed on tower head, the other end of the first insulator V string, one end of the second insulator V string are all fixed on the first hanger, the first hanger is connected with tower head, the other end of the second insulator V string is fixed on tower head, parent window is also provided with the 3rd insulator V string that is placed in the first insulator V string, the second insulator V string below, and the 3rd insulator V string two ends are all fixed on tower head; The first insulator V string, the second insulator V string and the 3rd insulator V string bottom are equipped with conducting wire hanging point; Upper two phase conductors of being located at the three-phase conducting wire in parent window are placed in respectively on the conducting wire hanging point of the conducting wire hanging point of the first insulator V string, the second insulator V string, and the lower phase conductor of being located at the three-phase conducting wire in parent window is placed on the conducting wire hanging point of the 3rd insulator V string.
Further, the 4th insulator V string and the 5th insulator V string in lower floor's window, are arranged side by side, one end of the 4th insulator V string is fixed on tower head, the other end of the 4th insulator V string, one end of the 5th insulator V string are all fixed on the second hanger, the second hanger is connected with crossbeam, the other end of the 5th insulator V string is fixed on tower head, lower floor's window is also provided with the 6th insulator V string that is placed in the 4th insulator V string, the 5th insulator V string below, and the 6th insulator V string two ends are all fixed on tower head; The 4th insulator V string, the 5th insulator V string and the 6th insulator V string bottom are equipped with conducting wire hanging point; Upper two phase conductors of being located at the three-phase conducting wire in lower floor's window are placed in respectively on the conducting wire hanging point of the conducting wire hanging point of the 4th insulator V string, the 5th insulator V string, and the lower phase conductor of being located at the three-phase conducting wire in lower floor's window is placed on the conducting wire hanging point of the 6th insulator V string.
Further, tower head top is provided with earth wire support, and earth wire support is beak type.
Further, the outline of tower head is from the root place horizontal plane of earth wire support, after experiencing 5 change slopes, be connected with tower body, the outline of tower head is from the conducting wire hanging point horizontal plane of the first insulator V string in parent window, and the 6th insulator V string to lower floor's window is only straight line with the tie point horizontal plane of tower head; The interior profile of parent window, since the first hanger and tower head junction plane, experiences 4 change slopes and is connected with crossbeam, and the interior profile of lower floor's window, since the 5th insulator V string and tower head junction horizontal plane, experiences 3 change slopes and is connected with tower body.
Further, the first hanger, the second hanger are V-arrangement hanger, and the first hanger both upper ends thereof is equipped with deflecting plate, and the first hanger is connected with tower head by deflecting plate; The second hanger both upper ends thereof is also equipped with deflecting plate, and the second hanger is connected with crossbeam by deflecting plate.
The utility model good looking appearance, hanging point arranges rationally, and full tower from top to bottom rigidity is coordinated, and power transmission is clear, and globality is better, and steel tower displacement is relatively little, has the ability of resisting more by force the natural calamity such as strong wind, icing.The utility model efficiently solves each electric pressure, especially high voltage, the extra-high pressure transmission line cross-arm long series of problems bringing of encorbelmenting, can effectively reduce steel tower transverse width, thereby reduce circuit width of corridor, channel cleanup expense is significantly reduced.
Brief description of the drawings
Fig. 1 is the overall structure schematic diagram of the utility model 500kV double loop upper and lower window vertical arrangement compact steel tower;
Fig. 2 is the first hanger front view;
The partial enlarged drawing at deflecting plate place when Fig. 3 is side-looking the first hanger.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail.
The present embodiment comprises tower head 1, tower body 2 and column foot 3, in described tower head 1, be provided with crossbeam 1-1, tower head is divided into parent window 4 and lower two-layer window 5 by described crossbeam 1-1, parent window 4 and lower floor's window 5 layout that superposes in vertical direction, on tower head 1, be hung with wire twice, this kind of tower can hang wire twice, twice wire is three-phase conducting wire, a wherein three-phase conducting wire space arrangement triangular in shape in twice wires is placed in parent window 4, and another time three-phase conducting wire space arrangement triangular in shape in twice wires is placed in lower floor's window 5.
The first insulator V string 6 and the second insulator V string 7 in parent window 4, are arranged side by side, one end of the first insulator V string 6 is fixed on tower head 1, the other end of the first insulator V string 6, one end of the second insulator V string 7 are all fixed on the first hanger 12, the first hanger 12 is connected with tower head 1, the other end of the second insulator V string 7 is fixed on tower head 1, parent window 4 is also provided with and is placed in the first insulator V string 6, the second insulator V and goes here and there the 3rd insulator V string 8, the three insulator V of 7 belows and go here and there 8 two ends and be all fixed on tower head 1; The first insulator V string 6, the second insulator V string 7 and the 3rd insulator V go here and there 8 bottoms and are equipped with conducting wire hanging point 14; Upper two phase conductors of being located at the three-phase conducting wire in parent window 4 are placed in respectively on the conducting wire hanging point of the conducting wire hanging point of the first insulator V string 6, the second insulator V string 7, and the lower phase conductor of being located at the three-phase conducting wire in parent window 4 is placed on the conducting wire hanging point of the 3rd insulator V string 8.
The 4th insulator V string 9 and the 5th insulator V string 10 in lower floor's window 5, are arranged side by side, one end of the 4th insulator V string 9 is fixed on tower head 1, the other end of the 4th insulator V string 9, one end of the 5th insulator V string 10 are all fixed on the second hanger 13, the second hanger 13 is connected with crossbeam 1-1, the other end of the 5th insulator V string 10 is fixed on tower head 1, lower floor's window 5 is also provided with and is placed in the 4th insulator V string 9, the 5th insulator V and goes here and there the 6th insulator V string 11, the six insulator V of 10 belows and go here and there 11 two ends and be all fixed on tower head 1; The 4th insulator V string 9, the 5th insulator V string 10 and the 6th insulator V go here and there 11 bottoms and are also equipped with conducting wire hanging point 14; Upper two phase conductors of being located at the three-phase conducting wire in lower floor's window 5 are placed in respectively on the conducting wire hanging point of the conducting wire hanging point of the 4th insulator V string 9, the 5th insulator V string 10, and the lower phase conductor of being located at the three-phase conducting wire in lower floor's window 5 is placed on the conducting wire hanging point of the 6th insulator V string 11.
Tower head 1 top is provided with earth wire support 15, and earth wire support 15 is beak type, is beneficial to increase it longitudinally and lateral stiffness, and it is clear that load transmits, and can effectively resist ground wire icing overload impact.
The outline 1-3 of tower head 1 is from earth wire support 15 root place horizontal planes, after experiencing 5 change slopes, be connected with tower body 2, from the conducting wire hanging point horizontal plane of the first insulator V string 6 in parent window 4, the 6th insulator V string 11 to lower floor's window is only straight line with the tie point horizontal plane of tower head 1; The interior profile 1-4 of parent window, since the first hanger 12 and tower head 1 junction plane, experiences 4 change slopes and is connected with crossbeam 1-1, and the interior profile of lower floor's window, since the 5th insulator V string 10 and tower head 1 junction horizontal plane, experiences 3 change slopes and is connected with tower body 2.Becoming slope is in order at utmost to reduce window size, thereby reach tower head size minimum, steel use amount object still less, dwindle tower head size except reducing width of corridor by becoming slope, also can reduce the transmission distance of power, from the conducting wire hanging point horizontal plane of the first insulator V string 6 in parent window 4, the 6th insulator V string 11 to lower floor's window is only designed to straight line with the tie point horizontal plane of tower head 1, make load transfer route clear, understood by power path, avoid tower material internal force to undergo mutation and cause that unnecessary quantity of material increases.
The first hanger 12, the second hanger 13 are V-arrangement hanger, and the first hanger 12 both upper ends thereof are equipped with deflecting plate 16, and Fig. 2 is the partial enlarged drawing at the first hanger front view, Fig. 3 deflecting plate place while being side-looking the first hanger.The first hanger 12 is connected with tower head 1 by deflecting plate 16; The second hanger 13 is identical with the first hanger 12 structures, and the second hanger 13 both upper ends thereof are also equipped with deflecting plate, and the second hanger is connected with crossbeam 1-1 by deflecting plate.Under longitudinal force effect, the first hanger 12, the second hanger 13 all can before and after rotate by a small margin, make hanger plane of living in not bear moment of flexure outward, avoid rigidity hanger tower head 1 and crossbeam 1-1 to be produced local moment of flexure and made the adverse effect of gemel.
The utility model good looking appearance, hanging point arranges rationally, and full tower from top to bottom rigidity is coordinated, and power transmission is clear, and globality is better, and steel tower displacement is relatively little, has the ability of resisting more by force the natural calamity such as strong wind, icing.The utility model efficiently solves each electric pressure, especially high voltage, the extra-high pressure transmission line cross-arm long series of problems bringing of encorbelmenting, can effectively reduce steel tower transverse width, thereby reduce circuit width of corridor, channel cleanup expense is significantly reduced.
Taking star sand-Star City 500kV power transmission sequence as example, this circuit be positioned at economic and technological development zone, national Changsha and Changsha County domestic, long 23km completely, house along the line is intensive, unit is numerous, adopts after the utility model the about 16000m of this project minimizing housing demolition area
2, reduce approximately 4,960 ten thousand yuan of housing demolition expenses, considering body investment increases by 1,400 ten thousand yuan compared with conventional line, saves altogether 3,560 ten thousand yuan of construction investments.
Claims (7)
1. a 500kV double loop upper and lower window vertical arrangement compact steel tower, comprise tower head, tower body and column foot, it is characterized in that, in described tower head, be provided with crossbeam, tower head is divided into upper and lower two-layer window by crossbeam, parent window and the lower floor's window layout that superposes in vertical direction; On tower head, be hung with wire twice, twice wires are placed in respectively in the parent window of tower head and in lower floor's window.
2. the upper and lower window vertical arrangement in 500kV according to claim 1 double loop compact steel tower, it is characterized in that, twice wire is three-phase conducting wire, a wherein three-phase conducting wire space arrangement triangular in shape in twice wires is placed in parent window, and another time three-phase conducting wire space arrangement triangular in shape in twice wires is placed in lower floor's window.
3. the upper and lower window vertical arrangement in 500kV according to claim 2 double loop compact steel tower, it is characterized in that, the first insulator V string and the second insulator V string in parent window, are arranged side by side, one end of the first insulator V string is fixed on tower head, the other end of the first insulator V string, one end of the second insulator V string is all fixed on the first hanger, the first hanger is connected with tower head, the other end of the second insulator V string is fixed on tower head, parent window is also provided with and is placed in the first insulator V string, the 3rd insulator V string of the second insulator V string below, the 3rd insulator V string two ends are all fixed on tower head, the first insulator V string, the second insulator V string and the 3rd insulator V string bottom are equipped with conducting wire hanging point, upper two phase conductors of being located at the three-phase conducting wire in parent window are placed in respectively on the conducting wire hanging point of the conducting wire hanging point of the first insulator V string, the second insulator V string, and the lower phase conductor of being located at the three-phase conducting wire in parent window is placed on the conducting wire hanging point of the 3rd insulator V string.
4. the upper and lower window vertical arrangement in 500kV according to claim 2 double loop compact steel tower, it is characterized in that, the 4th insulator V string and the 5th insulator V string in lower floor's window, are arranged side by side, one end of the 4th insulator V string is fixed on tower head, the other end of the 4th insulator V string, one end of the 5th insulator V string is all fixed on the second hanger, the second hanger is connected with crossbeam, the other end of the 5th insulator V string is fixed on tower head, lower floor's window is also provided with and is placed in the 4th insulator V string, the 6th insulator V string of the 5th insulator V string below, the 6th insulator V string two ends are all fixed on tower head, the 4th insulator V string, the 5th insulator V string and the 6th insulator V string bottom are equipped with conducting wire hanging point, upper two phase conductors of being located at the three-phase conducting wire in lower floor's window are placed in respectively on the conducting wire hanging point of the conducting wire hanging point of the 4th insulator V string, the 5th insulator V string, and the lower phase conductor of being located at the three-phase conducting wire in lower floor's window is placed on the conducting wire hanging point of the 6th insulator V string.
5. the upper and lower window vertical arrangement in 500kV according to claim 3 double loop compact steel tower, is characterized in that, tower head top is provided with earth wire support, and earth wire support is beak type.
6. the upper and lower window vertical arrangement in 500kV according to claim 5 double loop compact steel tower, it is characterized in that, the outline of tower head is from the root place horizontal plane of earth wire support, after experiencing 5 change slopes, be connected with tower body, the outline of tower head is from the conducting wire hanging point horizontal plane of the first insulator V string in parent window, and the 6th insulator V string to lower floor's window is only straight line with the tie point horizontal plane of tower head; The interior profile of parent window, since the first hanger and tower head junction plane, experiences 4 change slopes and is connected with crossbeam, and the interior profile of lower floor's window, since the 5th insulator V string and tower head junction horizontal plane, experiences 3 change slopes and is connected with tower body.
7. the upper and lower window vertical arrangement in 500kV according to claim 3 double loop compact steel tower, is characterized in that, the first hanger, the second hanger are V-arrangement hanger, and the first hanger both upper ends thereof is equipped with deflecting plate, and the first hanger is connected with tower head by deflecting plate; The second hanger both upper ends thereof is also equipped with deflecting plate, and the second hanger is connected with crossbeam by deflecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420367773.9U CN203924854U (en) | 2014-07-04 | 2014-07-04 | A kind of 500kV double loop upper and lower window vertical arrangement compact steel tower |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420367773.9U CN203924854U (en) | 2014-07-04 | 2014-07-04 | A kind of 500kV double loop upper and lower window vertical arrangement compact steel tower |
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| Publication Number | Publication Date |
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| CN203924854U true CN203924854U (en) | 2014-11-05 |
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|---|---|---|---|
| CN201420367773.9U Expired - Fee Related CN203924854U (en) | 2014-07-04 | 2014-07-04 | A kind of 500kV double loop upper and lower window vertical arrangement compact steel tower |
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| CN (1) | CN203924854U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104060876A (en) * | 2014-07-04 | 2014-09-24 | 湖南省电力勘测设计院 | 500 kV double-circuit compact iron tower with upper window and lower window perpendicularly arranged |
-
2014
- 2014-07-04 CN CN201420367773.9U patent/CN203924854U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104060876A (en) * | 2014-07-04 | 2014-09-24 | 湖南省电力勘测设计院 | 500 kV double-circuit compact iron tower with upper window and lower window perpendicularly arranged |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHINA ENERGY ENGINEERING GROUP HUNAN ELECTRIC POWE Free format text: FORMER NAME: HUNAN ELECTRIC POWER PROSPECTING DESIGN INST. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 410007 No. 471 West labour Road, Hunan, Changsha Patentee after: HUNAN ELECTRIC POWER DESIGN INSTITUTE OF CHINA ENERGY EGINEERING Corp.,Ltd. Address before: 410007 No. 471 West labour Road, Hunan, Changsha Patentee before: Hunan Electric Power Design Institute |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 |