CN105680400B - A kind of single loop distribution overhead line junction pole and its wiring construction - Google Patents
A kind of single loop distribution overhead line junction pole and its wiring construction Download PDFInfo
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- CN105680400B CN105680400B CN201610133761.3A CN201610133761A CN105680400B CN 105680400 B CN105680400 B CN 105680400B CN 201610133761 A CN201610133761 A CN 201610133761A CN 105680400 B CN105680400 B CN 105680400B
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- 238000010276 construction Methods 0.000 title claims abstract description 23
- 239000004020 conductor Substances 0.000 claims abstract description 88
- 239000012212 insulator Substances 0.000 claims abstract description 69
- 238000009413 insulation Methods 0.000 claims abstract description 34
- 238000009434 installation Methods 0.000 claims description 13
- 210000005069 ears Anatomy 0.000 description 4
- 230000037431 insertion Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000012211 strain insulator Substances 0.000 description 2
- 241001212149 Cathetus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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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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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The present invention relates to a kind of single loop distribution overhead line junction pole and its wiring construction, belong to distribution line technical field.Hanging wire cross-arm of the invention by being not less than one times of leakage distance at least provided with two length from high to low in the side of straight line pole, and it is respectively provided with a mounting hole for being used to install major loop wire insulation and a mounting hole for corresponding to phase conductor insulator for installing duplexure in the homonymy of each hanging wire cross-arm, the three-phase conducting wire of major loop is set to be 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.The junction pole of the present invention is simple in construction, it is offline to realize the completion branch on a base straight line pole, the three-phase conducting wire of major loop and duplexure is arranged in the side of straight line pole, and duplexure three-phase conducting wire is to be arranged vertically, solve distribution line and the increase of safe corridor width is caused because wire arrangements are unreasonable, the problem of can not meeting with adjacent construction of structures safe distance.
Description
Technical field
The present invention relates to a kind of single loop distribution overhead line junction pole and its wiring construction, belongs to distribution line technology neck
Domain.
Background technology
It is through a kind of commonly used connection type, technical requirements major loop that single loop distribution line is offline by major loop branch
Between out of phase wire, between the out of phase wire of duplexure, between major loop and duplexure different circuit difference phase
Spacing be not less than one times of leakage distance；It is conventional at present to realize branch connection and ensureing the requirement of electrical safety distance
Mode to be major loop install three-phase conducting wire by top-support and one pair of horizontal cross-arm, in just between the three-phase conducting wire of major loop
Triangular arrangement, duplexure are pacified by one pair of offline anchor ear and one pair of horizontal cross-arm (being arranged vertically with the horizontal cross-arm of major loop)
Fill three-phase conducting wire, also arranged in equilateral triangle between the three-phase conducting wire of duplexure, conventional erection mode due to electric pole two
The wire by major loop and duplexure is arranged in side, and corridor shared by circuit is wider, in the narrow location of passage, it is impossible to meet wire
With the safe distance of adjacent construction of structures.
The content of the invention
It is current to solve it is an object of the invention to provide a kind of single loop distribution overhead line junction pole and its wiring construction
The increase of safe corridor width is caused because wire arrangements are unreasonable in distribution line, can not meet with adjacent construction of structures safety away from
From the problem of.
The present invention provides a kind of single loop distribution overhead line junction pole, including straight line to solve above-mentioned technical problem
Bar, the side of the straight line pole are not less than the hanging wire cross-arm of one times of leakage distance at least provided with two length from high to low,
The homonymy of each hanging wire cross-arm is provided with a mounting hole for being used to install major loop wire insulation and one is used for installation point
Branch circuit corresponds to the mounting hole of phase conductor insulator, the three-phase conducting wire of major loop is arranged in the same side of straight line pole, branches back to
The three-phase conducting wire on road is arranged vertically on the same side of straight line pole.
Described hanging wire cross-arm is two, is arranged in the homonymy of straight line club body from high to low, from high to low number first
Homonymy is provided with a mounting hole for being used to install major loop the second phase conductor insulator on hanging wire cross-arm and one is used to install
The mounting hole of duplexure the second phase conductor insulator, homonymy is provided with one and is used on second hanging wire cross-arm of number from high to low
The mounting hole of installation major loop third phase wire insulation and a peace for being used to install duplexure third phase wire insulation
Hole is filled, the mounting hole for installing each phase conductor insulator of duplexure is arranged at the phase homonymy of each corresponding hanging wire cross-arm, institute
State and one pair is provided with the top of straight line pole is used to installing the mounting bracket of the phase conductor of major loop first, the mounting bracket with by height
Offline anchor ear is provided with to the straight line pole between low first hanging wire cross-arm of number, the side of the offline anchor ear, which is provided with, to be used for
The link of branched line the first phase conductor insulator is installed, and the offline anchor ear and first hanging wire cross-arm of number from high to low it
Between spacing be not less than 1 times of leakage distance.
The mounting bracket is in inverted " u " font, is arranged at the top of straight line club body, and the both ends of mounting bracket are respectively positioned at straight
The both sides of line bar end, the centre position of mounting bracket are provided with the installation for being used for installing support major loop the first phase conductor insulator
Hole.
Described hanging wire cross-arm is three, is arranged in the homonymy of straight line club body from high to low, from high to low number first
The homonymy of hanging wire cross-arm is provided with a mounting hole for being used to install major loop the first phase conductor insulator and one is used to install
The mounting hole of duplexure the first phase conductor insulator, from high to low the homonymy of second hanging wire cross-arm of number be provided with one and be used for
The mounting hole of major loop the second phase conductor insulator and a peace for being used to install duplexure the second phase conductor insulator are installed
Hole is filled, the homonymy of the 3rd hanging wire cross-arm of number is provided with one and is used to install major loop third phase wire insulation from high to low
Mounting hole and a mounting hole for being used to install duplexure third phase wire insulation, it is described to be used to each phase of duplexure be installed
The mounting hole of wire insulation is arranged at the phase homonymy of each corresponding hanging wire cross-arm, makes the three-phase conducting wire of duplexure in straight line pole
The same side be arranged vertically.
The mounting hole for being used to install major loop wire insulation is up/down perforation, for installing duplexure wire
The mounting hole of insulator is horizontal insertion.
It is described present invention also offers a kind of stringing structure of single loop distribution overhead line junction pole, including straight line pole
The side of straight line pole is horizontal not less than the hanging wire cross-arm of one times of leakage distance, each hanging wire at least provided with two length from high to low
The homonymy of load is provided with a mounting hole for being used to install major loop wire insulation and one is used to install duplexure pair
The mounting hole of phase conductor insulator is answered, each mounting hole is mounted with corresponding lead, the three-phase conducting wire arrangement of major loop by insulator
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, is arranged in the homonymy of straight line club body from high to low, from high to low number first
The homonymy of hanging wire cross-arm is provided with a mounting hole for being used to install major loop the second phase conductor insulator and one is used to install
The mounting hole of duplexure the second phase conductor insulator, from high to low the homonymy of second hanging wire cross-arm of number be provided with one and be used for
The mounting hole of installation major loop third phase wire insulation and a peace for being used to install duplexure third phase wire insulation
Hole is filled, the mounting hole for installing each phase conductor insulator of duplexure is arranged at the phase homonymy of each corresponding hanging wire cross-arm, respectively
Corresponding lead is mounted with mounting hole on hanging wire cross-arm, a mounting bracket is provided with the top of the straight line pole, the installation branch
It is mounted with the phase conductor of major loop first on frame, the straight line pole between first hanging wire cross-arm of the mounting bracket and from high to low number
On be provided with offline anchor ear, the side of the offline anchor ear is provided with link, and branched line is mounted with by insulator on link
First phase conductor, and the offline anchor ear and electric leakage of the spacing between first hanging wire cross-arm of number not less than 1 times from high to low
Distance.
Described mounting bracket is in inverted " u " font, is arranged at the top of straight line club body, the both ends of mounting bracket are located at respectively
The both sides of straight line boom end, mounting bracket are fixed by being welded on the anchor ear at both ends, and the centre position of mounting bracket is provided with installation
Hole, the mounting hole are mounted with the phase conductor of major loop first by insulator.
Described hanging wire cross-arm is three, is arranged in the homonymy of straight line club body from high to low, from high to low number first
The homonymy of hanging wire cross-arm is provided with a mounting hole for being used to install major loop the first phase conductor insulator and one is used to install
The mounting hole of duplexure the first phase conductor insulator, from high to low the homonymy of second hanging wire cross-arm of number be provided with one and be used for
The mounting hole of major loop the second phase conductor insulator and a peace for being used to install duplexure the second phase conductor insulator are installed
Hole is filled, the homonymy of the 3rd hanging wire cross-arm of number is provided with one and is used to install major loop third phase wire insulation from high to low
Mounting hole and a mounting hole for being used to install duplexure third phase wire insulation, for installing each phase conductor of duplexure
The mounting hole of insulator is arranged at the phase homonymy of each corresponding hanging wire cross-arm, and the three-phase conducting wire of duplexure is in the same of straight line pole
Side is arranged vertically, and the distance between three-phase conducting wire is not less than 1 times of leakage distance.
Spacing between the major loop three-phase conducting wire is all higher than 1 times of leakage distance, its in major loop three-phase conducting wire
In spacing between other two phase conductor that is not connected with the phase conductor in a phase conductor and duplexure be not less than 1 times of leakage
Electrical distance.
The beneficial effects of the invention are as follows：The present invention is by equal at least provided with two length from high to low in the side of straight line pole
One is respectively provided with for installing major loop wire not less than the hanging wire cross-arm of one times of leakage distance, and in the homonymy of each hanging wire cross-arm
The mounting hole of insulator and one are used to install the mounting hole that duplexure corresponds to phase conductor insulator, lead the three-phase of major loop
Line 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 present invention's connects
Line bar is simple in construction, realizes and completes that branch is offline, and the three-phase conducting wire of major loop and duplexure is equal on a base straight line pole
Arranged in the side of straight line pole, and duplexure three-phase conducting wire has both solved major loop both sides arrangement wire and made to be arranged vertically
Into the problem of width of corridor increase, also solving the problems, such as that duplexure three-phase conducting wire triangular arrangement line corridor is wider, in fact
The offline needs of branch in the narrow location of passage are showed.
Brief description of the drawings
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.
Embodiment
The embodiment of the present invention is described further below in conjunction with the accompanying drawings.
A kind of embodiment one of 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
On straight line pole, straight line pole homonymy is provided with three length not less than the hanging wire cross-arm of one times of leakage distance, respectively from high to low
Spacing between hanging wire cross-arm is not less than 1 times of leakage distance, and each hanging wire cross-arm is fixed on electric pole by U-shaped anchor ear.By height
It is respectively the first hanging wire cross-arm, the second hanging wire cross-arm and the 3rd hanging wire cross-arm to low number, the length of each hanging wire cross-arm is identical, and first
A mounting hole for being used to install major loop the first phase conductor insulator is provided with hanging wire cross-arm and one is used to install branch
The mounting hole of loop the first phase conductor insulator, one is provided with the second hanging wire cross-arm and is used to the phase conductor of major loop second be installed
The mounting hole of insulator and one are used for the mounting hole for installing duplexure the second phase conductor insulator, are set on the 3rd hanging wire cross-arm
It is equipped with a mounting hole for being used to install major loop third phase wire insulation and one is led for installing duplexure third phase
The mounting hole of line insulator, the mounting hole for installing each phase conductor insulator of duplexure are arranged at each corresponding hanging wire cross-arm
Phase homonymy, being used to installing the mounting hole of each phase conductor insulator of duplexure in the present embodiment, to be arranged at each corresponding hanging wire horizontal
End of the load away from straight line pole, makes the three-phase conducting wire of duplexure be arranged vertically in the same side of straight line pole, is led back for installing
The mounting hole of each phase conductor insulator in road is arranged at the phase homonymy of each corresponding hanging wire cross-arm, makes the three-phase conducting wire of major loop straight
The same side of line bar is arranged vertically.Mounting hole for installing major loop wire support insulator is up/down perforation, for pacifying
The mounting hole for filling duplexure strain insulator is horizontal insertion.
In the present embodiment single loop distribution overhead line junction pole realize on a base straight line pole complete branch it is offline, directly
The other side that the major loop of line bar sets up direction does not arrange wire, to solve when straight line pole other side closes on construction of structures
Safe spacing can not meet the problem of technical requirements, and three hanging wire cross-arms are arranged in the same side of electric pole, the three of duplexure
Phase conductor is arranged vertically by above-mentioned single hanging wire cross-arm, makes the line corridor width of duplexure minimum, with to greatest extent
Width of corridor is made full use of, technical requirements can not be met by solving safe spacing when construction of structures is closed in duplexure both sides
Problem.And the duplexure of the present invention and the same phase conductor of major loop share a hanging wire cross-arm respectively, reduce the use of material
Amount, has saved construction investment.
A kind of embodiment two of single loop distribution overhead line junction pole of the present invention
The present embodiment is the further improvement on the basis of embodiment one, needs to set three on the cathetus bar of embodiment one
Cross-arm, cause the requirement for height to straight line pole higher, in order to shorten the height of straight line pole, reduce difficulty of construction and cost, this reality
The hanging wire cross-arm applied in example is provided with two, from high to low respectively the first cross-arm and the second cross-arm, as shown in Fig. 2 straight line pole
Top mounting bracket for setting up the phase conductor of major loop first is installed, the mounting bracket in the present embodiment is in inverted " u " font,
It is arranged at the top of straight line club body, the both ends of mounting bracket are located at the both sides of straight line boom end respectively, and mounting bracket passes through welding
Anchor ear at both ends is fixed, and the centre position of mounting bracket is provided with the peace for being used for installing support major loop the first phase conductor insulator
Fill hole.Offline anchor ear is arranged between mounting bracket and the first hanging wire cross-arm, and the side of offline anchor ear is provided with installation branch line
The link of road the first phase conductor insulator, link are in the homonymy of straight line pole, the link set on offline anchor ear with hanging wire cross-arm
With offline anchor ear by being welded to connect, the spacing between offline anchor ear and the first hanging wire cross-arm is not less than 1 times of leakage distance.Gu
It can be same anchor ear to determine the anchor ear of mounting bracket and offline anchor ear, can also use different anchor ears, the present embodiment for save into
This, the two anchor ears are same anchor ear.
The set-up mode phase of the arrangement of first hanging wire cross-arm and the second hanging wire cross-arm and hanging wire cross-arm in embodiment one
Together, straight line club body homonymy is arranged in from high to low, and two cross-arms are fixed on straight line pole by U-shaped anchor ear, the first hanging wire
The homonymy of cross-arm is provided with a mounting hole for being used to install major loop the second phase conductor insulator and one is used to install branch
The mounting hole of loop the second phase conductor insulator, the homonymy of the second hanging wire cross-arm are provided with one and are used to install major loop third phase
The mounting hole of wire insulation and a mounting hole for being used to install duplexure third phase wire insulation, for installing branch
The mounting hole of each phase conductor insulator in loop is arranged at the phase homonymy of each corresponding hanging wire cross-arm, is used to install in the present embodiment and divides
The mounting hole of branch circuit second and third phase wire insulation is arranged at each corresponding end of the hanging wire cross-arm away from straight line pole, uses
In installation major loop wire support insulator mounting hole be up/down perforation, for installing the peace of duplexure strain insulator
It is horizontal insertion to fill hole.
By above-mentioned single loop distribution overhead line junction pole, second and third phase wire and the mounting of duplexure can be made
First phase conductor of the duplexure on offline anchor ear link is arranged vertically in the same side of straight line pole；Make the second of major loop
It is arranged vertically with the first phase conductor of major loop of the third phase wire with being articulated in mounting bracket in the same side of straight line pole, such as
Shown in Fig. 3 and Fig. 4.
A kind of embodiment of the wiring construction of 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 power frame in Fig. 2
Ceases to be busy road junction pole, the wiring construction as shown in figure 5, set gradually one pair of mounting bracket, under one pair from high to low on straight line pole
Line anchor ear, first layer hanging wire cross-arm and second layer hanging wire cross-arm, two layers of hanging wire cross-arm are arranged in the homonymy of straight line pole, and length is identical
And small 1 times of leakage distance, mounting bracket are not in inverted " u " font, it is arranged at the top of straight line club body, the both ends point of mounting bracket
Not Wei Yu straight line boom end both sides, mounting bracket fixed by being welded on the anchor ear at both ends, and the interposition of mounting bracket installs
Have has the first of major loop for installing the mounting bracket at the top of the mounting hole of support major loop the first phase conductor insulator and setting up
Phase conductor, offline anchor ear are arranged between mounting bracket and the first hanging wire cross-arm, and the side of offline anchor ear is provided with installation branch
The link of circuit the first phase conductor insulator, the link set on offline anchor ear with offline anchor ear by being welded to connect, offline armful
Bind round and be not less than 1 times of leakage distance the spacing between the first hanging wire cross-arm, branched line is mounted with by insulator on link
First phase conductor.The anchor ear of mounting bracket and offline anchor ear can be same anchor ear, can also use different anchor ears, this reality
It is same anchor ear to apply the two anchor ears in example.
First phase conductor of offline anchor ear installation duplexure, the first hanging wire cross-arm pass through installation major loop corresponding to it
Second phase conductor of the second phase conductor and duplexure, the second hanging wire cross-arm install the third phase wire and duplexure of major loop
Third phase wire, the first phase conductor in the three-phase conducting wire of major loop is arranged in the top of electric pole, the first phase of duplexure
For wire arrangements in the electric pole end position of two cross-arm sides, major loop is mutually arranged in two with second, third of duplexure
The end of root cross-arm, second and third phase wire of duplexure and be articulated on offline anchor ear link the first of duplexure
Phase conductor is arranged vertically in the same side of straight line pole；Make second and third phase wire of major loop and be articulated in mounting bracket
First phase conductor of major loop is arranged vertically in the same side of straight line pole.
Connected, major loop and branched back to by lead respectively between major loop three-phase conducting wire phase conductor corresponding with duplexure
Distance between the three-phase conducting wire on road is not less than 1 times of leakage distance.Spacing between major loop three-phase conducting wire is not less than 1 times
Leakage distance, a wherein phase conductor in major loop three-phase conducting wire be not connected in duplexure with the phase conductor other two
Spacing between phase conductor is not less than 1 times of leakage distance.
Claims (10)
1. a kind of single loop distribution overhead line junction pole, including straight line pole, it is characterised in that the side of the straight line pole is by height
It is provided with to low at least provided with two length not less than the hanging wire cross-arm of one times of leakage distance, the homonymy of each hanging wire cross-arm
One corresponds to phase conductor insulator for installing the sub mounting hole of major loop wire insulation and one for installing duplexure
Mounting hole, makes the three-phase conducting wire of major loop be arranged in the same side of straight line pole, and the three-phase conducting wire of duplexure is arranged vertically on directly
The same side of line bar；
Described hanging wire cross-arm is two, is arranged in the homonymy of straight line club body from high to low, from high to low first hanging wire of number
Homonymy is provided with a mounting hole for being used to install major loop the second phase conductor insulator on cross-arm and one is used to install branch
The mounting hole of loop the second phase conductor insulator, homonymy is provided with one for installing on second hanging wire cross-arm of number from high to low
The mounting hole of major loop third phase wire insulation and a mounting hole for being used to install duplexure third phase wire insulation,
Mounting hole for installing each phase conductor insulator of duplexure is arranged at the phase homonymy of each corresponding hanging wire cross-arm, the straight line
One pair of mounting bracket for being used to install the phase conductor of major loop first is provided with the top of bar, the mounting bracket with counting from high to low
Offline anchor ear is provided with straight line pole between first hanging wire cross-arm, the side of the offline anchor ear is provided with to be divided for installing
The link of branch line the first phase conductor insulator, and the offline anchor ear and from high to low between first hanging wire cross-arm of number between
Leakage distance away from not less than 1 times.
2. single loop distribution overhead line junction pole according to claim 1, it is characterised in that the mounting bracket is in
" U " font, it is arranged at the top of straight line club body, the both ends of mounting bracket are located at the both sides of straight line boom end, mounting bracket respectively
Centre position be provided be used for install support major loop the first phase conductor insulator mounting hole.
3. single loop distribution overhead line junction pole according to claim 2, it is characterised in that described to be used to install to lead back
The mounting hole of lead insulation is up/down perforation, and the mounting hole for installing duplexure wire insulation is that level is passed through
It is logical.
4. a kind of single loop distribution overhead line junction pole, including straight line pole, it is characterised in that the side of the straight line pole is by height
It is provided with to low at least provided with two length not less than the hanging wire cross-arm of one times of leakage distance, the homonymy of each hanging wire cross-arm
One corresponds to phase conductor insulator for installing the sub mounting hole of major loop wire insulation and one for installing duplexure
Mounting hole, makes the three-phase conducting wire of major loop be arranged in the same side of straight line pole, and the three-phase conducting wire of duplexure is arranged vertically on directly
The same side of line bar；
Described hanging wire cross-arm is three, is arranged in the homonymy of straight line club body from high to low, from high to low first hanging wire of number
The homonymy of cross-arm is provided with a mounting hole for being used to install major loop the first phase conductor insulator and one is used to install branch
The mounting hole of loop the first phase conductor insulator, from high to low the homonymy of second hanging wire cross-arm of number be provided with one be used for install
The mounting hole of major loop the second phase conductor insulator and a mounting hole for being used to install duplexure the second phase conductor insulator,
The homonymy of the 3rd hanging wire cross-arm of number is provided with an installation for being used to install major loop third phase wire insulation from high to low
Hole and a mounting hole for being used to install duplexure third phase wire insulation, it is described to be used to each phase conductor of duplexure be installed
The mounting hole of insulator is arranged at the phase homonymy of each corresponding hanging wire cross-arm, makes the three-phase conducting wire of duplexure in the same of straight line pole
Side is arranged vertically.
5. single loop distribution overhead line junction pole according to claim 4, it is characterised in that described to be used to install to lead back
The mounting hole of lead insulation is up/down perforation, and the mounting hole for installing duplexure wire insulation is that level is passed through
It is logical.
6. a kind of wiring construction of single loop distribution overhead line junction pole, including straight line pole, it is characterised in that the straight line pole
Side from high to low at least provided with two length not less than the hanging wire cross-arm of one times of leakage distance, each hanging wire cross-arm it is same
Side is provided with a mounting hole for being used to install major loop wire insulation and one is correspondingly mutually led for installing duplexure
The mounting hole of line insulator, each mounting hole are mounted with corresponding lead by insulator, and the three-phase conducting wire of major loop is arranged in straight line
The same side of bar, the three-phase conducting wire of duplexure are arranged vertically on the same side of straight line pole；
Described hanging wire cross-arm is two, is arranged in the homonymy of straight line club body from high to low, from high to low first hanging wire of number
The homonymy of cross-arm is provided with a mounting hole for being used to install major loop the second phase conductor insulator and one is used to install branch
The mounting hole of loop the second phase conductor insulator, from high to low the homonymy of second hanging wire cross-arm of number be provided with one be used for install
The mounting hole of major loop third phase wire insulation and a mounting hole for being used to install duplexure third phase wire insulation,
Mounting hole for installing each phase conductor insulator of duplexure is arranged at the phase homonymy of each corresponding hanging wire cross-arm, and each hanging wire is horizontal
Corresponding lead is mounted with mounting hole in load, a mounting bracket is provided with the top of the straight line pole, is hung in the mounting bracket
It is connected to the phase conductor of major loop first, is set on the straight line pole between first hanging wire cross-arm of the mounting bracket and from high to low number
There is an offline anchor ear, the side of the offline anchor ear is provided with link, and the phase of branched line first is mounted with by insulator on link
Wire, and the offline anchor ear and spacing between first hanging wire cross-arm of number is not less than 1 times of leakage distance from high to low.
7. the wiring construction of single loop distribution overhead line junction pole according to claim 6, it is characterised in that described
Mounting bracket is in inverted " u " font, is arranged at the top of straight line club body, and the both ends of mounting bracket are located at the two of straight line boom end respectively
Side, mounting bracket are fixed by being welded on the anchor ear at both ends, and the centre position of mounting bracket is provided with mounting hole, and the mounting hole passes through
Insulator is mounted with the phase conductor of major loop first.
8. the wiring construction of single loop distribution overhead line junction pole according to claim 7, it is characterised in that the master
Spacing between the three-phase conducting wire of loop is all higher than 1 times of leakage distance, the wherein phase conductor in major loop three-phase conducting wire with point
Spacing between other two phase conductor not being connected in branch circuit with the phase conductor is not less than 1 times of leakage distance.
9. a kind of wiring construction of single loop distribution overhead line junction pole, including straight line pole, it is characterised in that the straight line pole
Side from high to low at least provided with two length not less than the hanging wire cross-arm of one times of leakage distance, each hanging wire cross-arm it is same
Side is provided with a mounting hole for being used to install major loop wire insulation and one is correspondingly mutually led for installing duplexure
The mounting hole of line insulator, each mounting hole are mounted with corresponding lead by insulator, and the three-phase conducting wire of major loop is arranged in straight line
The same side of bar, the three-phase conducting wire of duplexure are arranged vertically on the same side of straight line pole；
Described hanging wire cross-arm is three, is arranged in the homonymy of straight line club body from high to low, from high to low first hanging wire of number
The homonymy of cross-arm is provided with a mounting hole for being used to install major loop the first phase conductor insulator and one is used to install branch
The mounting hole of loop the first phase conductor insulator, from high to low the homonymy of second hanging wire cross-arm of number be provided with one be used for install
The mounting hole of major loop the second phase conductor insulator and a mounting hole for being used to install duplexure the second phase conductor insulator,
The homonymy of the 3rd hanging wire cross-arm of number is provided with an installation for being used to install major loop third phase wire insulation from high to low
Hole and a mounting hole for being used to install duplexure third phase wire insulation, for installing each phase conductor insulation of duplexure
The mounting hole of son is arranged at the phase homonymy of each corresponding hanging wire cross-arm, and the three-phase conducting wire of duplexure hangs down in the same side of straight line pole
Straight arrangement, and the distance between three-phase conducting wire is not less than 1 times of leakage distance.
10. the wiring construction of single loop distribution overhead line junction pole according to claim 9, it is characterised in that described
Spacing between major loop three-phase conducting wire is all higher than 1 times of leakage distance, the wherein phase conductor in major loop three-phase conducting wire with
Spacing between other two phase conductor not being connected in duplexure with the phase conductor is not less than 1 times of leakage distance.
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| 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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| JP2010263782A (en) * | 2009-04-30 | 2010-11-18 | Lapp Insulators Gmbh | Holder for overhead transmission line, and overhead power transmission mechanism |
| CN103362343A (en) * | 2013-07-04 | 2013-10-23 | 国家电网公司 | Same-tower six-loop tower |
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| CN105680400A (en) | 2016-06-15 |
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