CN203113869U - Tower combination pattern for multi-circuit extra-high voltage direct current transmission line paralleling - Google Patents
Tower combination pattern for multi-circuit extra-high voltage direct current transmission line paralleling Download PDFInfo
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- CN203113869U CN203113869U CN 201320107888 CN201320107888U CN203113869U CN 203113869 U CN203113869 U CN 203113869U CN 201320107888 CN201320107888 CN 201320107888 CN 201320107888 U CN201320107888 U CN 201320107888U CN 203113869 U CN203113869 U CN 203113869U
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Abstract
The utility model relates to a tower combination pattern for multi-circuit extra-high voltage direct current transmission line paralleling. The tower combination pattern for the multi-circuit extra-high voltage direct current transmission line paralleling is characterized by comprising a conventional iron tower, two iron towers without earth wires and two single pole iron tower, wherein the conventional iron tower is arranged in a middle position of a line corridor, two sides of a tower head of the conventional iron towel are respectively provided with a conducting wire cross arm, the upper portion of each conducting wire cross arm and the lower portion of each conducting wire cross arm are provided with an earth wire support and a set of electrical insulators respectively, and the earth wire support and the electrical insulators are used for erecting earth wires and upper pole conducting wires respectively. The two iron towers without the earth wires are symmetrically arranged on two sides of the conventional iron tower, two sides of each iron tower without the earth wires are respectively provided with a conducting wire cross arm, a set of electrical insulators are arranged on the lower portion of each conducting wire cross arm, and the electrical insulators are used for erecting lower pole conducting wires. The two single pole iron towers are symmetrically arranged on two outermost sides of the line corridor, a conducting wire cross arm is only arranged on one side, towards the inner side of the line corridor, of a tower head of each single pole iron tower, the upper portion of conducting wire cross arm and the lower portion of the conducting wire cross arm are provided with an earth wire support and a set of electrical insulators respectively, and the earth wire support and the electrical insulators are used for erecting single pole conducting wires and earth wires. The tower combination pattern for multi-circuit extra-high voltage direct current transmission line paralleling can be widely used in regions where multi-circuit extra-high voltage direct current transmission lines are paralleling and channels of the regions are insufficient.
Description
Technical field
The utility model relates to a kind of shaft tower combination form, particularly about a kind of shaft tower combination form that can be used in narrow area, circuit corridor and effectively reduce the many times parallel width of corridors of extra-high voltage direct-current circuit.
Background technology
Conventional extra high voltage direct current transmission line generally adopts " doing " font tower, and polar conductor is arranged horizontally mode.When many loop lines road walks abreast, all be that the different circuit extra-high voltage is carried out in the corridor horizontally in the past, and make level interval satisfy the distance of windage yaw and electromagnetic environment requirement.Along with the continuous development of power grid construction, transmission line of electricity corridor resource is in short supply day by day, many times extra-high voltage direct-current line sharing corridors are parallel set up inevitable.Particularly a kind of novel many loop lines road compound rod tower structure is demanded in narrow area urgently in the corridor, to guarantee under the prerequisite that safe and reliable and electromagnetic environment etc. require, guarantee many times extra high voltage direct current transmission lines smoothly by narrow area, corridor, and reduce width of corridor and removal, reduce construction investment.
Summary of the invention
At the problems referred to above, the purpose of this utility model provides a kind of shaft tower combination form that can be used in narrow area, circuit corridor and effectively reduce the many times parallel width of corridors of extra-high voltage direct-current circuit.
For achieving the above object, the utility model is taked following technical scheme: a kind of for the many times parallel shaft tower combination forms of extra-high voltage direct-current circuit, it is characterized in that: it comprises a conventional iron tower, two no ground wire iron towers and two one pole iron towers, wherein said conventional iron tower is arranged in centre position, circuit corridor, its tower head both sides respectively arrange one first lead cross-arm, each described first lead cross-arm upper and lower arranges one first ground line bracket and one first group of insulator respectively, is respectively applied to set up ground wire and top polar conductor; Described two no ground wire iron towers are arranged symmetrically in described conventional iron tower both sides, and its tower head both sides respectively arrange one second lead cross-arm, and each described second lead cross-arm bottom arranges one second group of insulator, are used for setting up the below polar conductor; Described two one pole iron towers are arranged symmetrically in outermost both sides, circuit corridor, it only arranges a privates cross-arm in the tower head side towards inboard, circuit corridor, described lead cross-arm upper and lower arranges one the 3rd ground line bracket and one the 3rd group of insulator respectively, is respectively applied to set up monopole conductor and ground wire.
Described conventional iron tower is identical with the shaft tower height of two one pole iron towers, but the shaft tower height of described no ground wire iron tower is lower than the shaft tower height of described conventional iron tower, so that each iron tower height layout straggly.
All adopt between described top polar conductor and the below polar conductor and between described monopole conductor and the below polar conductor and be arranged vertically form, so that 2 polar conductors of vertical direction constitute the bipolar of same loop.
The utility model is owing to take above technical scheme, it has the following advantages: 1, the utility model is owing to adopt conventional iron tower, no ground wire iron tower and 3 kinds of towers of one pole iron tower to carry out tower bit combination arrangement, and make same loop polar conductor vertical arrangement, and the mode of only above the tower head of conventional iron tower and one pole iron tower, setting up ground wire, can effectively reduce the width in the many times parallel corridors of extra-high voltage direct-current circuit, when four times ± 800 kilovolts DC lines are parallel, the circuit width of corridor can dwindle 1 times, is contracted to 80 meters by 160 meters.2, each iron tower height of the present utility model layout straggly can be compressed the circuit width of corridor to greatest extent, has guaranteed that simultaneously the polar conductor that every basic iron tower sets up is no more than 2 utmost points.3, all adopt the form that is arranged vertically between top polar conductor of the present utility model and the below polar conductor and between monopole conductor and the below polar conductor; so that 2 polar conductors of vertical direction constitute the bipolar of same loop; so only need set up the requirement that ground wire just can satisfy lightning protection at conventional iron tower and two one pole iron tower the tops, thereby can cancel ground wire and the ground line bracket of two no ground wire iron towers.4, the utility model takes full advantage of the tower head form of conventional iron tower, only is that simple transformation by ground line bracket or lead cross-arm and pylon height layout straggly just can realize easily.The utility model can compress many loop lines road width of corridor to greatest extent, makes things convenient for link tester to cross narrow area, corridor or effectively reduces housing demolition, and realize that easily iron tower is stressed little, and the iron tower steel quantity consumption is less, reduces by 4 ground wires, better economy.The utility model can be extensively used in the parallel and nervous area of passage at many times DC lines of extra-high voltage.
Description of drawings
Fig. 1 is structural representation of the present utility model
The specific embodiment
Below in conjunction with drawings and Examples the utility model is described in detail.
As shown in Figure 1, the utility model comprises a conventional iron tower 1, two no ground wire iron towers 2 and two one pole iron towers 3, wherein conventional iron tower 1 is arranged in centre position, circuit corridor, it adopts present extra-high voltage direct-current circuit to use tower always, its tower head both sides respectively arrange a lead cross-arm 4, each lead cross-arm 4 upper and lower arranges a ground line bracket 5 and one group of insulator 6 respectively, is respectively applied to set up ground wire and top polar conductor (not shown).Two no ground wire iron towers 2 are arranged symmetrically in conventional iron tower 1 both sides, its tower head both sides also respectively arrange a lead cross-arm 4, but ground line bracket 5 has been cancelled on lead cross-arm 4 tops, only in each lead cross-arm 4 bottom one group of insulator 6 is set, and is used for setting up below polar conductor (not shown).Two one pole iron towers 3 are arranged symmetrically in outermost both sides, circuit corridor, it only arranges a lead cross-arm 4 in the tower head side towards inboard, circuit corridor, lead cross-arm 4 upper and lowers also arrange a ground line bracket 5 and one group of insulator 6 respectively, are respectively applied to set up monopole conductor and ground wire (not shown).
In above-described embodiment, conventional iron tower 1 is identical with the shaft tower height of two one pole iron towers 3, but the shaft tower height that does not have ground wire iron tower 2 is lower than the shaft tower height of conventional iron tower 1, each iron tower 1,2,3 height layout straggly have been compressed the circuit width of corridor to greatest extent like this, have guaranteed that simultaneously the polar conductor that every basic iron tower sets up is no more than 2 utmost points.
In above-described embodiment; all adopt the form that is arranged vertically between top polar conductor and the below polar conductor and between monopole conductor and the below polar conductor; so that 2 polar conductors of vertical direction constitute the bipolar of same loop; so only need set up the requirement that ground wire just can satisfy lightning protection at conventional iron tower 1 and two one pole iron towers, 3 the tops, thereby can cancel ground wire and the ground line bracket 5 of two no ground wire iron towers 2.
The various embodiments described above only are used for explanation the utility model; the arrangement form of wherein tower selection, tower head form, tower bit combination, polar conductor and ground wire etc. all can change to some extent; on the basis of technical solutions of the utility model; all improvement and equivalents of indivedual towers, tower head, tower position, polar conductor and ground wire layout being carried out according to the utility model principle all should not got rid of outside protection domain of the present utility model.
Claims (3)
1. one kind is used for the parallel shaft tower combination form of extra-high voltage direct-current circuit many times, it is characterized in that: it comprises a conventional iron tower, two no ground wire iron towers and two one pole iron towers, wherein said conventional iron tower is arranged in centre position, circuit corridor, its tower head both sides respectively arrange one first lead cross-arm, each described first lead cross-arm upper and lower arranges one first ground line bracket and one first group of insulator respectively, is respectively applied to set up ground wire and top polar conductor; Described two no ground wire iron towers are arranged symmetrically in described conventional iron tower both sides, and its tower head both sides respectively arrange one second lead cross-arm, and each described second lead cross-arm bottom arranges one second group of insulator, are used for setting up the below polar conductor; Described two one pole iron towers are arranged symmetrically in outermost both sides, circuit corridor, it only arranges a privates cross-arm in the tower head side towards inboard, circuit corridor, described lead cross-arm upper and lower arranges one the 3rd ground line bracket and one the 3rd group of insulator respectively, is respectively applied to set up monopole conductor and ground wire.
2. as claimed in claim 1 a kind of for the many times parallel shaft tower combination forms of extra-high voltage direct-current circuit, it is characterized in that: described conventional iron tower is identical with the shaft tower height of two one pole iron towers, but the shaft tower height of described no ground wire iron tower is lower than the shaft tower height of described conventional iron tower, so that each iron tower height layout straggly.
3. as claimed in claim 1 or 2 a kind of for the many times parallel shaft tower combination forms of extra-high voltage direct-current circuit, it is characterized in that: all adopt between described top polar conductor and the below polar conductor and between described monopole conductor and the below polar conductor to be arranged vertically form, so that 2 polar conductors of vertical direction constitute the bipolar of same loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320107888 CN203113869U (en) | 2013-03-11 | 2013-03-11 | Tower combination pattern for multi-circuit extra-high voltage direct current transmission line paralleling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320107888 CN203113869U (en) | 2013-03-11 | 2013-03-11 | Tower combination pattern for multi-circuit extra-high voltage direct current transmission line paralleling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203113869U true CN203113869U (en) | 2013-08-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320107888 Expired - Lifetime CN203113869U (en) | 2013-03-11 | 2013-03-11 | Tower combination pattern for multi-circuit extra-high voltage direct current transmission line paralleling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203113869U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104299489B (en) * | 2014-09-12 | 2016-08-24 | 中国南方电网有限责任公司超高压输电公司梧州局 | Super-pressure and extra-high voltage hybrid multifunctional transmission line of electricity training set |
-
2013
- 2013-03-11 CN CN 201320107888 patent/CN203113869U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104299489B (en) * | 2014-09-12 | 2016-08-24 | 中国南方电网有限责任公司超高压输电公司梧州局 | Super-pressure and extra-high voltage hybrid multifunctional transmission line of electricity training set |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130807 |
|
| CX01 | Expiry of patent term |