CN105680400A - Single-loop power distribution overhead line junction pole and wiring structure thereof - Google Patents
Single-loop power distribution overhead line junction pole and wiring structure thereof Download PDFInfo
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- CN105680400A CN105680400A CN201610133761.3A CN201610133761A CN105680400A CN 105680400 A CN105680400 A CN 105680400A CN 201610133761 A CN201610133761 A CN 201610133761A CN 105680400 A CN105680400 A CN 105680400A
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- installing
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- installing hole
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- duplexure
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- 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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- 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
- E04H12/24—Cross arms
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The invention relates to a single-loop power distribution overhead line junction pole and a wiring structure thereof, and belongs to the technical field of power transmission lines. At least two wire-hanging cross arms are arranged on one side of a linear pole from higher to lower, wherein the lengths of the at least two wire-hanging cross arms are not less than double creepage distance; a mounting hole for mounting a main loop wire insulator and a mounting hole for mounting a corresponding-phase wire insulator of a branch loop are formed in the same side of each wire-hanging cross arm; therefore, the three-phase wires of the main loop are configured on the same side of the linear pole; and the three-phase wires of the branch loop are perpendicularly arranged on the same side of the linear pole. The junction pole provided by the invention is simple in structure; branching wires are realized on the same basic linear pole; the three-phase wires of the main loop and the branch loop are both arranged on the same side of the linear pole; the three-phase wires of the branch loop are perpendicularly arranged; and therefore, the problems that the safe corridor width is increased and the safe distance from the adjacent buildings cannot be satisfied caused by unreasonable wire configurations existing in the power distribution line are solved.
Description
Technical field
The present invention relates to a kind of single loop distribution overhead line junction pole and wiring construction thereof, belong to distribution line technical field.
Background technology
Single loop distribution line is rolled off the production line by major loop branch a kind of connection type being often use, and technology requires between the out of phase wire of major loop, between the out of phase wire of duplexure, major loop and duplexure different circuit not spacing between homophase is all not less than the leakage distance of one times, for realizing branch connection and ensureing the requirement of electrical safety distance, mode conventional at present is that major loop passes through top-support and one pair of horizontal cross-arm installs three-phase conducting wire, arrange in equilateral triangle between the three-phase conducting wire of major loop, duplexure passes through one pair of roll off the production line anchor ear and one pair of horizontal cross-arm (being arranged vertically with the horizontal cross-arm of major loop) installation three-phase conducting wire, also arrange in equilateral triangle between the three-phase conducting wire of duplexure, conventional erection mode all arranges the wire by major loop and duplexure due to the both sides of electric pole, shared by circuit, corridor is wider, in the narrow location of passage, the safe distance of wire and adjacent construction of structures can not be met.
Summary of the invention
It is an object of the invention to provide a kind of single loop distribution overhead line junction pole and wiring construction thereof, to solve current distribution line to cause safe corridor width increase owing to wire arrangements is unreasonable, it is impossible to meet the problem with adjacent construction of structures safe distance.
The present invention solves that above-mentioned technical problem provides a kind of single loop distribution overhead line junction pole, including straight line pole, the side of described straight line pole is all not less than the hanging wire cross-arm of one times of leakage distance from high to low at least provided with two length, the homonymy of each hanging wire cross-arm be provided with one for install major loop wire insulation installing hole and one for installing the installing hole of duplexure correspondence phase conductor insulator, the three-phase conducting wire making major loop is arranged in the same side of straight line pole, and the three-phase conducting wire of duplexure is arranged vertically on the same side of straight line pole.
Described hanging wire cross-arm is two, it is arranged in the homonymy of straight line pole shaft from high to low, on several first hanging wire cross-arm, homonymy is provided with one for installing the sub installing hole of major loop second-phase wire insulation and an installing hole for installing duplexure second-phase wire insulation from high to low, on several second hanging wire cross-arm, homonymy is provided with one for installing the sub installing hole of major loop third phase wire insulation and an installing hole for installing duplexure third phase wire insulation from high to low, installing hole for installing duplexure each phase conductor insulator is arranged at the same side of each corresponding hanging wire cross-arm, the top of described straight line pole is provided with one pair of mounting bracket for installing major loop first-phase wire, described mounting bracket and from high to low straight line pole between several first hanging wire cross-arm are provided with the anchor ear that rolls off the production line, the side of the described anchor ear that rolls off the production line is provided with the link for installing branched line first-phase wire insulation, and described in roll off the production line anchor ear and from high to low spacing between several first hanging wire cross-arm be not less than the leakage distance of 1 times.
Described mounting bracket is inverted " u " font, is arranged in straight line pole shaft top, and the two ends of mounting bracket lay respectively at the both sides of straight line pole end, and the centre position of mounting bracket is provided with for installing the installing hole supporting major loop first-phase wire insulation.
Described hanging wire cross-arm is three, it is arranged in the homonymy of straight line pole shaft from high to low, the homonymy of several first hanging wire cross-arm is provided with one for installing the sub installing hole of major loop first-phase wire insulation and an installing hole for installing duplexure first-phase wire insulation from high to low, the homonymy of several second hanging wire cross-arm is provided with one for installing the sub installing hole of major loop second-phase wire insulation and an installing hole for installing duplexure second-phase wire insulation from high to low, the homonymy of several 3rd hanging wire cross-arms is provided with one for installing the sub installing hole of major loop third phase wire insulation and an installing hole for installing duplexure third phase wire insulation from high to low, the described installing hole for installing duplexure each phase conductor insulator is arranged at the same side of each corresponding hanging wire cross-arm, the three-phase conducting wire making duplexure is arranged vertically in the same side of straight line pole.
The described installing hole for installing major loop wire insulation is up/down perforation, and it is through that the installing hole for installing duplexure wire insulation is level.
Present invention also offers the stringing structure of a kind of single loop distribution overhead line junction pole, including straight line pole, the side of described straight line pole is all not less than the hanging wire cross-arm of one times of leakage distance from high to low at least provided with two length, the homonymy of each hanging wire cross-arm be provided with one for install major loop wire insulation installing hole and one for installing the installing hole of duplexure correspondence phase conductor insulator, each installing hole is mounted with corresponding lead by insulator, the three-phase conducting wire of major loop is arranged in the same side of straight line pole, the three-phase conducting wire of duplexure is arranged vertically on the same side of straight line pole.
Described hanging wire cross-arm is two, it is arranged in the homonymy of straight line pole shaft from high to low, the homonymy of several first hanging wire cross-arm is provided with one for installing the sub installing hole of major loop second-phase wire insulation and an installing hole for installing duplexure second-phase wire insulation from high to low, the homonymy of several second hanging wire cross-arm is provided with one for installing the sub installing hole of major loop third phase wire insulation and an installing hole for installing duplexure third phase wire insulation from high to low, installing hole for installing duplexure each phase conductor insulator is arranged at the same side of each corresponding hanging wire cross-arm, installing hole on each hanging wire cross-arm is mounted with corresponding lead, the top of described straight line pole is provided with a mounting bracket, this mounting bracket is mounted with major loop first-phase wire, described mounting bracket and from high to low straight line pole between several first hanging wire cross-arm are provided with the anchor ear that rolls off the production line, the side of the described anchor ear that rolls off the production line is provided with link, link is mounted with branched line first-phase wire by insulator, and described in roll off the production line anchor ear and from high to low spacing between several first hanging wire cross-arm be not less than the leakage distance of 1 times.
Described mounting bracket is inverted " u " font, it is arranged in straight line pole shaft top, the two ends of mounting bracket lay respectively at the both sides of straight line pole end, mounting bracket is fixed by being welded on the anchor ear at two ends, the centre position of mounting bracket is provided with installing hole, and this installing hole is mounted with major loop first-phase wire by insulator.
Described hanging wire cross-arm is three, it is arranged in the homonymy of straight line pole shaft from high to low, the homonymy of several first hanging wire cross-arm is provided with one for installing the sub installing hole of major loop first-phase wire insulation and an installing hole for installing duplexure first-phase wire insulation from high to low, the homonymy of several second hanging wire cross-arm is provided with one for installing the sub installing hole of major loop second-phase wire insulation and an installing hole for installing duplexure second-phase wire insulation from high to low, the homonymy of several 3rd hanging wire cross-arms is provided with one for installing the sub installing hole of major loop third phase wire insulation and an installing hole for installing duplexure third phase wire insulation from high to low, installing hole for installing duplexure each phase conductor insulator is arranged at the same side of each corresponding hanging wire cross-arm, the three-phase conducting wire of duplexure is arranged vertically in the same side of straight line pole, and the distance between three-phase conducting wire is all not less than the leakage distance of 1 times.
Spacing between described major loop three-phase conducting wire is all higher than the leakage distance of 1 times, and the wherein phase conductor in major loop three-phase conducting wire is all not less than the leakage distance of 1 times with the spacing between other two phase conductors not being connected with this phase conductor in duplexure.
The invention has the beneficial effects as follows: the present invention by being all not less than the hanging wire cross-arm of one times of leakage distance from high to low in the side of straight line pole at least provided with two length, and it is respectively provided with one for installing the installing hole of major loop wire insulation and one for installing the installing hole of duplexure correspondence phase conductor insulator at the homonymy of each hanging wire cross-arm, the three-phase conducting wire making major loop is arranged in the same side of straight line pole, and the three-phase conducting wire of duplexure is arranged vertically on the same side of straight line pole. The junction pole simple in construction of the present invention, achieve and on a base straight line pole, complete branch roll off the production line, and the three-phase conducting wire of major loop and duplexure all arranges in the side of straight line pole, and duplexure three-phase conducting wire is for being arranged vertically, both the problem that major loop both sides arrange that wire causes width of corridor to increase had been solved, also the problem that duplexure three-phase conducting wire triangular arrangement line corridor is wider is solved, it is achieved that the branch in the narrow location of passage rolls off the production line needs.
Accompanying drawing explanation
Fig. 1 is the structure front view of single loop distribution overhead line junction pole embodiment one of the present invention;
Fig. 2 is the structure front view of single loop distribution overhead line junction pole embodiment two of the present invention;
Fig. 3 is the structural side view of single loop distribution overhead line junction pole embodiment two of the present invention;
Fig. 4 is the structure top view of single loop distribution overhead line junction pole embodiment two of the present invention;
Fig. 5 is the wiring construction figure of single loop distribution overhead line junction pole of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further.
A kind of embodiment one of the single loop distribution overhead line junction pole of the present invention
The structure of the single loop distribution overhead line junction pole of the present embodiment is as shown in Figure 1, including being vertically arranged in ground straight line pole, straight line pole homonymy is provided with three length from high to low and is all not less than the hanging wire cross-arm of one times of leakage distance, spacing between each hanging wire cross-arm is not less than the leakage distance of 1 times, and each hanging wire cross-arm is fixed on electric pole by U-shaped anchor ear.Number respectively the first hanging wire cross-arm from high to low, second hanging wire cross-arm and the 3rd hanging wire cross-arm, the length of each hanging wire cross-arm is identical, first hanging wire cross-arm is provided with one for installing the sub installing hole of major loop first-phase wire insulation and an installing hole for installing duplexure first-phase wire insulation, second hanging wire cross-arm is provided with one for installing the sub installing hole of major loop second-phase wire insulation and an installing hole for installing duplexure second-phase wire insulation, 3rd hanging wire cross-arm is provided with one for installing the sub installing hole of major loop third phase wire insulation and an installing hole for installing duplexure third phase wire insulation, installing hole for installing duplexure each phase conductor insulator is arranged at the same side of each corresponding hanging wire cross-arm, in the present embodiment, the installing hole for installing duplexure each phase conductor insulator is arranged at each corresponding hanging wire cross-arm end away from straight line pole, the three-phase conducting wire making duplexure is arranged vertically in the same side of straight line pole, installing hole for installing major loop each phase conductor insulator is arranged at the same side of each corresponding hanging wire cross-arm, the three-phase conducting wire making major loop is arranged vertically in the same side of straight line pole. installing hole for installing major loop wire support insulator is up/down perforation, and it is through that the installing hole for installing duplexure strain insulator is level.
In the present embodiment, single loop distribution overhead line junction pole achieves and completes branch on a base straight line pole and roll off the production line, the other side in the major loop erection direction of straight line pole does not arrange wire, to solve the problem that safe spacing cannot meet technology requirement when straight line pole other side closes on construction of structures, three hanging wire cross-arms are arranged in the same side of electric pole, the three-phase conducting wire of duplexure is arranged vertically by above-mentioned single hanging wire cross-arm, the line corridor width making duplexure is minimum, to make full use of width of corridor to greatest extent, solve safe spacing when construction of structures is all closed in duplexure both sides and cannot meet the problem that technology requires. and the same phase conductor of the duplexure of the present invention and major loop shares a hanging wire cross-arm respectively, decrease the consumption of material, saved construction investment.
A kind of embodiment two of the single loop distribution overhead line junction pole of the present invention
The present embodiment is the further improvement on embodiment one basis, embodiment one cathetus bar needs arrange three cross-arms, cause that the requirement for height to straight line pole is higher, in order to shorten the height of straight line pole, reduce difficulty of construction and cost, hanging wire cross-arm in the present embodiment is provided with two, respectively the first cross-arm and the second cross-arm from high to low, as shown in Figure 2, the mounting bracket for setting up major loop first-phase wire is installed at the top of straight line pole, mounting bracket in the present embodiment is inverted " u " font, it is arranged in straight line pole shaft top, the two ends of mounting bracket lay respectively at the both sides of straight line pole end, mounting bracket is fixed by being welded on the anchor ear at two ends, the centre position of mounting bracket is provided with for installing the installing hole supporting major loop first-phase wire insulation. the anchor ear that rolls off the production line is arranged between mounting bracket and the first hanging wire cross-arm, the roll off the production line side of anchor ear is provided with the link installing branched line first-phase wire insulation, link and hanging wire cross-arm are in the homonymy of straight line pole, roll off the production line the link arranged on anchor ear and the anchor ear that rolls off the production line by being welded to connect, and the spacing between anchor ear and the first hanging wire cross-arm that rolls off the production line is not less than the leakage distance of 1 times.The anchor ear of mounting bracket and the anchor ear that rolls off the production line can be same anchor ear, it would however also be possible to employ different anchor ears, the present embodiment is for saving cost, and the two anchor ear is same anchor ear.
The arrangement of the first hanging wire cross-arm and the second hanging wire cross-arm is identical with the set-up mode of hanging wire cross-arm in embodiment one, it is arranged in straight line pole shaft homonymy from high to low, two cross-arms are fixed on straight line pole each through U-shaped anchor ear, the homonymy of the first hanging wire cross-arm is provided with one for installing the sub installing hole of major loop second-phase wire insulation and an installing hole for installing duplexure second-phase wire insulation, the homonymy of the second hanging wire cross-arm is provided with one for installing the sub installing hole of major loop third phase wire insulation and an installing hole for installing duplexure third phase wire insulation, installing hole for installing duplexure each phase conductor insulator is arranged at the same side of each corresponding hanging wire cross-arm, in the present embodiment, the installing hole for installing duplexure second and third phase wire insulation is arranged at each corresponding hanging wire cross-arm end away from straight line pole, installing hole for installing major loop wire support insulator is up/down perforation, it is through that installing hole for installing duplexure strain insulator is level.
By above-mentioned single loop distribution overhead line junction pole, second and third phase wire of duplexure and the first-phase wire being articulated in the duplexure rolled off the production line on anchor ear link can be made to be arranged vertically in the same side of straight line pole; Second and third phase wire of major loop is made to be arranged vertically in the same side of straight line pole with the first-phase wire of the major loop being articulated in mounting bracket, as shown in Figure 3 and Figure 4.
A kind of embodiment of the wiring construction of the single loop distribution overhead line junction pole of the present invention
The wiring construction of the single loop distribution overhead line junction pole of the present embodiment is based on the single loop distribution overhead line junction pole in Fig. 2, this wiring construction is as shown in Figure 5, straight line pole sets gradually pair of mounting bracket from high to low, one pair of anchor ear that rolls off the production line, ground floor hanging wire cross-arm and second layer hanging wire cross-arm, two-layer hanging wire cross-arm is arranged in the homonymy of straight line pole, length is identical and the leakage distance of not little 1 times, mounting bracket is inverted " u " font, it is arranged in straight line pole shaft top, the two ends of mounting bracket lay respectively at the both sides of straight line pole end, mounting bracket is fixed by being welded on the anchor ear at two ends, the centre position of mounting bracket is provided with the first-phase wire having major loop for the mounting bracket erection installing the installing hole top supporting major loop first-phase wire insulation, the anchor ear that rolls off the production line is arranged between mounting bracket and the first hanging wire cross-arm, the roll off the production line side of anchor ear is provided with the link installing branched line first-phase wire insulation, roll off the production line the link arranged on anchor ear and the anchor ear that rolls off the production line by being welded to connect, the spacing between anchor ear and the first hanging wire cross-arm that rolls off the production line is not less than the leakage distance of 1 times, link is mounted with branched line first-phase wire by insulator. the anchor ear of mounting bracket and the anchor ear that rolls off the production line can be same anchor ear, it would however also be possible to employ different anchor ears, in the present embodiment, the two anchor ear is same anchor ear.
The anchor ear that rolls off the production line installs the first-phase wire of duplexure, first hanging wire cross-arm passes through the second-phase wire installing major loop of its correspondence and the second-phase wire of duplexure, second hanging wire cross-arm installs the third phase wire of major loop and the third phase wire of duplexure, first-phase wire arrangements in the three-phase conducting wire of major loop is at the top of electric pole, the first-phase wire arrangements of duplexure is at the electric pole end position of two cross-arm sides, the second of major loop and duplexure, third phase is arranged in the end of two cross-arms, second and third phase wire of duplexure and the first-phase wire being articulated in the duplexure rolled off the production line on anchor ear link are arranged vertically in the same side of straight line pole, second and third phase wire of major loop is made to be arranged vertically in the same side of straight line pole with the first-phase wire of the major loop being articulated in mounting bracket.
Connecting respectively through lead-in wire between major loop three-phase conducting wire phase conductor corresponding to duplexure, the distance between the three-phase conducting wire of major loop and duplexure is all not less than the leakage distance of 1 times.Spacing between major loop three-phase conducting wire is all not less than the leakage distance of 1 times, and the wherein phase conductor in major loop three-phase conducting wire is all not less than the leakage distance of 1 times with the spacing between other two phase conductors not being connected with this phase conductor in duplexure.
Claims (10)
1. a single loop distribution overhead line junction pole, including straight line pole, it is characterized in that, the side of described straight line pole is all not less than the hanging wire cross-arm of one times of leakage distance from high to low at least provided with two length, the homonymy of each hanging wire cross-arm be provided with one for install major loop wire insulation installing hole and one for installing the installing hole of duplexure correspondence phase conductor insulator, the three-phase conducting wire making major loop is arranged in the same side of straight line pole, and the three-phase conducting wire of duplexure is arranged vertically on the same side of straight line pole.
2. single loop distribution overhead line junction pole according to claim 1, it is characterized in that, described hanging wire cross-arm is two, it is arranged in the homonymy of straight line pole shaft from high to low, on several first hanging wire cross-arm, homonymy is provided with one for installing the sub installing hole of major loop second-phase wire insulation and an installing hole for installing duplexure second-phase wire insulation from high to low, on several second hanging wire cross-arm, homonymy is provided with one for installing the sub installing hole of major loop third phase wire insulation and an installing hole for installing duplexure third phase wire insulation from high to low, installing hole for installing duplexure each phase conductor insulator is arranged at the same side of each corresponding hanging wire cross-arm, the top of described straight line pole is provided with one pair of mounting bracket for installing major loop first-phase wire, described mounting bracket and from high to low straight line pole between several first hanging wire cross-arm are provided with the anchor ear that rolls off the production line, the side of the described anchor ear that rolls off the production line is provided with the link for installing branched line first-phase wire insulation, and described in roll off the production line anchor ear and from high to low spacing between several first hanging wire cross-arm be not less than the leakage distance of 1 times.
3. single loop distribution overhead line junction pole according to claim 2, it is characterized in that, described mounting bracket is inverted " u " font, it is arranged in straight line pole shaft top, the two ends of mounting bracket lay respectively at the both sides of straight line pole end, and the centre position of mounting bracket is provided with for installing the installing hole supporting major loop first-phase wire insulation.
4. single loop distribution overhead line junction pole according to claim 1, it is characterized in that, described hanging wire cross-arm is three, it is arranged in the homonymy of straight line pole shaft from high to low, the homonymy of several first hanging wire cross-arm is provided with one for installing the sub installing hole of major loop first-phase wire insulation and an installing hole for installing duplexure first-phase wire insulation from high to low, the homonymy of several second hanging wire cross-arm is provided with one for installing the sub installing hole of major loop second-phase wire insulation and an installing hole for installing duplexure second-phase wire insulation from high to low, the homonymy of several 3rd hanging wire cross-arms is provided with one for installing the sub installing hole of major loop third phase wire insulation and an installing hole for installing duplexure third phase wire insulation from high to low, the described installing hole for installing duplexure each phase conductor insulator is arranged at the same side of each corresponding hanging wire cross-arm, the three-phase conducting wire making duplexure is arranged vertically in the same side of straight line pole.
5. the single loop distribution overhead line junction pole according to claim 3 or 4, it is characterised in that the described installing hole for installing major loop wire insulation is up/down perforation, it is through that the installing hole for installing duplexure wire insulation is level.
6. the wiring construction of a single loop distribution overhead line junction pole, including straight line pole, it is characterized in that, the side of described straight line pole is all not less than the hanging wire cross-arm of one times of leakage distance from high to low at least provided with two length, the homonymy of each hanging wire cross-arm be provided with one for install major loop wire insulation installing hole and one for installing the installing hole of duplexure correspondence phase conductor insulator, each installing hole is mounted with corresponding lead by insulator, the three-phase conducting wire of major loop is arranged in the same side of straight line pole, the three-phase conducting wire of duplexure is arranged vertically on the same side of straight line pole.
7. the wiring construction of single loop distribution overhead line junction pole according to claim 6, it is characterized in that, described hanging wire cross-arm is two, it is arranged in the homonymy of straight line pole shaft from high to low, the homonymy of several first hanging wire cross-arm is provided with one for installing the sub installing hole of major loop second-phase wire insulation and an installing hole for installing duplexure second-phase wire insulation from high to low, the homonymy of several second hanging wire cross-arm is provided with one for installing the sub installing hole of major loop third phase wire insulation and an installing hole for installing duplexure third phase wire insulation from high to low, installing hole for installing duplexure each phase conductor insulator is arranged at the same side of each corresponding hanging wire cross-arm, installing hole on each hanging wire cross-arm is mounted with corresponding lead, the top of described straight line pole is provided with a mounting bracket, this mounting bracket is mounted with major loop first-phase wire, described mounting bracket and from high to low straight line pole between several first hanging wire cross-arm are provided with the anchor ear that rolls off the production line, the side of the described anchor ear that rolls off the production line is provided with link, link is mounted with branched line first-phase wire by insulator, and described in roll off the production line anchor ear and from high to low spacing between several first hanging wire cross-arm be not less than the leakage distance of 1 times.
8. the wiring construction of single loop distribution overhead line junction pole according to claim 7, it is characterized in that, described mounting bracket is inverted " u " font, it is arranged in straight line pole shaft top, the two ends of mounting bracket lay respectively at the both sides of straight line pole end, mounting bracket is fixed by being welded on the anchor ear at two ends, and the centre position of mounting bracket is provided with installing hole, and this installing hole is mounted with major loop first-phase wire by insulator.
9. the wiring construction of single loop distribution overhead line junction pole according to claim 6, it is characterized in that, described hanging wire cross-arm is three, it is arranged in the homonymy of straight line pole shaft from high to low, the homonymy of several first hanging wire cross-arm is provided with one for installing the sub installing hole of major loop first-phase wire insulation and an installing hole for installing duplexure first-phase wire insulation from high to low, the homonymy of several second hanging wire cross-arm is provided with one for installing the sub installing hole of major loop second-phase wire insulation and an installing hole for installing duplexure second-phase wire insulation from high to low, the homonymy of several 3rd hanging wire cross-arms is provided with one for installing the sub installing hole of major loop third phase wire insulation and an installing hole for installing duplexure third phase wire insulation from high to low, installing hole for installing duplexure each phase conductor insulator is arranged at the same side of each corresponding hanging wire cross-arm, the three-phase conducting wire of duplexure is arranged vertically in the same side of straight line pole, and the distance between three-phase conducting wire is all not less than the leakage distance of 1 times.
10. the wiring construction of single loop distribution overhead line junction pole according to claim 8 or claim 9, it is characterized in that, spacing between described major loop three-phase conducting wire is all higher than the leakage distance of 1 times, and the wherein phase conductor in major loop three-phase conducting wire is all not less than the leakage distance of 1 times with the spacing between other two phase conductors not being connected with this phase conductor in duplexure.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610133761.3A CN105680400B (en) | 2016-03-09 | 2016-03-09 | A kind of single loop distribution overhead line junction pole and its wiring construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610133761.3A CN105680400B (en) | 2016-03-09 | 2016-03-09 | A kind of single loop distribution overhead line junction pole and its wiring construction |
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| CN105680400A true CN105680400A (en) | 2016-06-15 |
| CN105680400B CN105680400B (en) | 2018-03-20 |
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| CN203334759U (en) * | 2013-07-12 | 2013-12-11 | 成都城电电力工程设计有限公司 | Novel double-loop terminal tower with one side hanging wires |
| CN104141405A (en) * | 2013-11-15 | 2014-11-12 | 国家电网公司 | Overhead junction pole for two-circuit overhead transmission line and line junction structure of overhead junction pole |
| CN203846844U (en) * | 2014-04-01 | 2014-09-24 | 国家电网公司 | Double-circuit line joint use coordinated transposition post tower |
| CN105298201A (en) * | 2015-11-06 | 2016-02-03 | 江苏省电力公司苏州供电公司 | Electric-transmission-line cable-terminal three-dimensional downwards-leading device |
| CN205583618U (en) * | 2016-03-09 | 2016-09-14 | 国家电网公司 | Single loop distribution overhead line junction pole and wiring structure thereof |
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| CN105680400B (en) | 2018-03-20 |
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