CN205583618U - Single loop distribution overhead line junction pole and wiring structure thereof - Google Patents
Single loop distribution overhead line junction pole and wiring structure thereof Download PDFInfo
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Abstract
本实用新型涉及一种单回路配电架空线路接线杆及其接线结构，属于配电线路技术领域。本实用新型通过在直线杆的一侧由高到低至少设置两个长度均不小于一倍漏电距离的挂线横担，并在各挂线横担的同侧均设置一个用于安装主回路导线绝缘子的安装孔和一个用于安装分支回路对应相导线绝缘子的安装孔，使主回路的三相导线布置在直线杆的同一侧，分支回路的三相导线垂直布置在直线杆的同一侧。本实用新型的接线杆结构简单，实现了在一基直线杆上完成分支下线，主回路和分支回路的三相导线均在直线杆的一侧布置，且分支回路三相导线为垂直布置，解决了配电线路由于导线布置不合理造成安全走廊宽度增加，无法满足与相邻建构筑物安全距离的问题。
The utility model relates to a single-circuit power distribution overhead line wiring rod and its wiring structure, belonging to the technical field of power distribution lines. The utility model arranges at least two hanging wire cross-arms whose lengths are not less than one time of the leakage distance on one side of the straight rod from high to low, and sets one on the same side of each hanging wire cross-arm for installing the main circuit. A mounting hole for the wire insulator and a mounting hole for installing the corresponding phase wire insulator of the branch circuit, so that the three-phase wires of the main circuit are arranged on the same side of the straight rod, and the three-phase wires of the branch circuit are vertically arranged on the same side of the straight rod. The wiring rod of the utility model has a simple structure, which realizes the completion of branch off-line on a basic straight rod, the three-phase wires of the main circuit and the branch circuit are arranged on one side of the straight rod, and the three-phase wires of the branch circuit are arranged vertically, It solves the problem that the width of the safety corridor increases due to the unreasonable layout of the wires of the distribution line, which cannot meet the safety distance from the adjacent buildings.
Description
技术领域technical field
本实用新型涉及一种单回路配电架空线路接线杆及其接线结构，属于配电线路技术领域。The utility model relates to a single-circuit power distribution overhead line wiring rod and its wiring structure, belonging to the technical field of power distribution lines.
背景技术Background technique
单回路配电线路由主回路分支下线是经常用到的一种接线形式，技术要求主回路不同相的导线之间、分支回路不同相的导线之间、主回路和分支回路不同回路不同相之间的间距均不小于壹倍的漏电距离；为实现分支接线和保证电气安全距离的要求，目前常用的方式是主回路通过顶部支架和一付水平横担安装三相导线，主回路的三相导线之间呈正三角形布置，分支回路通过一付下线抱箍和一付水平横担(与主回路水平横担垂直布置)安装三相导线，分支回路的三相导线之间也呈正三角形布置，以往的架设方式由于电杆的两侧均布置由主回路和分支回路的导线，线路所占走廊较宽，在通道狭窄地段，不能满足导线与相邻建构筑物的安全距离。The single-circuit distribution line is routed to the branch off-line of the main circuit, which is a frequently used wiring form. The technology requires that the conductors of different phases of the main circuit, the conductors of different phases of the branch circuit, and the different phases of the main circuit and branch circuits. The distance between them is not less than one times the leakage distance; in order to meet the requirements of branch wiring and ensure the electrical safety distance, the current common method is to install three-phase conductors in the main circuit through the top bracket and a pair of horizontal cross-arms, and the three-phase conductors of the main circuit The phase conductors are arranged in an equilateral triangle, and the branch circuits are installed with three-phase conductors through a pair of off-line hoops and a pair of horizontal cross arms (arranged vertically with the horizontal cross arm of the main circuit). The three-phase conductors of the branch circuits are also arranged in an equilateral triangle. In the previous erection method, since the wires of the main circuit and the branch circuit are arranged on both sides of the pole, the corridor occupied by the line is relatively wide, and the safe distance between the wire and the adjacent buildings cannot be satisfied in the narrow section of the passage.
实用新型内容Utility model content
本实用新型的目的是提供一种单回路配电架空线路接线杆及其接线结构，以解决目前配电线路中由于导线布置不合理造成安全走廊宽度增加，无法满足与相邻建构筑物安全距离的问题。The purpose of this utility model is to provide a single-circuit power distribution overhead line wiring rod and its wiring structure to solve the problem that the safety corridor width increases due to unreasonable wire layout in the current power distribution line and cannot meet the safety distance from adjacent buildings. question.
本实用新型为解决上述技术问题提供了一种单回路配电架空线路接线杆，包括直线杆，所述直线杆的一侧由高到低至少设置有两个长度均不小于一倍漏电距离的挂线横担，各挂线横担的同侧均设置有一个用于安装主回路导线绝缘子的安装孔和一个用于安装分支回路对应相导线绝缘子的安装孔，使主回路的三相导线布置在直线杆的同一侧，分支回路的三相导线垂直布置在直线杆的同一侧。In order to solve the above technical problems, the utility model provides a single-circuit power distribution overhead line wiring rod, which includes a straight rod, and one side of the straight rod is provided with at least two wires whose lengths are not less than one time of the leakage distance. Hanging wire cross arm, the same side of each hanging wire cross arm is provided with a mounting hole for installing the main circuit wire insulator and a mounting hole for installing the corresponding phase wire insulator of the branch circuit, so that the three-phase wires of the main circuit are arranged On the same side of the straight bar, the three-phase wires of the branch circuit are vertically arranged on the same side of the straight bar.
所述的挂线横担为两个，由高至低布置在直线杆杆身的同侧，由高到低数第一个挂线横担上同侧设置有一个用于安装主回路第二相导线绝缘子的安装孔和一个用于安装分支回路第二相导线绝缘子的安装孔，由高到低数第二个挂线横担上同侧设置有一个用于安装主回路第三相导线绝缘子的安装孔和一个用于安装分支回路第三相导线绝缘子的安装孔，用于安装分支回路各相导线绝缘子的安装孔均设置在各对应挂线横担的相同侧，所述直线杆的顶部设置有一付用于安装主回路第一相导线的安装支架，所述安装支架与由高到低数第一个挂线横担之间的直线杆上设置有下线抱箍，所述下线抱箍的一侧设置有用于安装分支线路第一相导线绝缘子的挂环，且所述下线抱箍与由高到低数第一个挂线横担之间的间距不小于1倍的漏电距离。There are two hanging wire cross arms, which are arranged on the same side of the straight rod shaft from high to low, and the first hanging wire cross arm from high to low is arranged on the same side for installing the main circuit. The installation hole for the phase wire insulator and the installation hole for installing the second phase wire insulator of the branch circuit, and the second hanging wire cross arm from the highest to the lowest is set on the same side as the third phase wire insulator for the main circuit and one installation hole for installing the insulator of the third phase wire of the branch circuit. The installation holes for installing the insulators of each phase wire of the branch circuit are set on the same side of each corresponding hanging wire cross arm, and the top of the straight rod There is a pair of installation brackets for installing the first phase wire of the main circuit, and the line bar between the installation bracket and the first line hanging cross arm from high to low is provided with an off-line hoop, and the off-line One side of the hoop is provided with a hanging ring for installing the insulator of the first phase wire of the branch line, and the distance between the down-line hoop and the first hanging cross-arm from the highest to the lowest is not less than 1 times the leakage current distance.
所述安装支架呈倒“U”字型，布置在直线杆杆身顶部，安装支架的两端分别位于直线杆端部的两侧，安装支架的中间位置设有用于安装支撑主回路第一相导线绝缘子的安装孔。The mounting bracket is in an inverted "U" shape and is arranged on the top of the linear rod body. The two ends of the mounting bracket are respectively located on both sides of the end of the linear rod. The middle position of the mounting bracket is provided for installing and supporting the first phase of the main circuit. Mounting holes for wire insulators.
所述的挂线横担为三个，由高至低布置在直线杆杆身的同侧，由高到低数第一个挂线横担的同侧设置有一个用于安装主回路第一相导线绝缘子的安装孔和一个用于安装分支回路第一相导线绝缘子的安装孔，由高到低数第二个挂线横担的同侧设置有一个用于安装主回路第二相导线绝缘子的安装孔和一个用于安装分支回路第二相导线绝缘子的安装孔，由高到低数第三个挂线横担的同侧设置有一个用于安装主回路第三相导线绝缘子的安装孔和一个用于安装分支回路第三相导线绝缘子的安装孔，所述用于安装分支回路各相导线绝缘子的安装孔均设置在各对应挂线横担的相同侧，使分支回路的三相导线在直线杆的同一侧垂直布置。There are three hanging wire cross arms, which are arranged on the same side of the linear rod shaft from high to low, and there is a first hanging wire cross arm for installing the main circuit on the same side of the first hanging wire cross arm from high to low. The installation hole of the phase wire insulator and the installation hole for installing the first phase wire insulator of the branch circuit, and the same side of the second hanging wire cross arm from high to low is provided with an insulator for installing the second phase wire of the main circuit There is an installation hole for installing the insulator of the second phase wire of the branch circuit, and there is an installation hole for installing the insulator of the third phase wire of the main circuit on the same side of the third hanging cross arm from the highest to the lowest. and an installation hole for installing the insulators of the third phase wires of the branch circuit, the installation holes for installing the insulators of the phase wires of the branch circuits are all set on the same side of each corresponding hanging wire cross arm, so that the three-phase wires of the branch circuit Arranged vertically on the same side of the straight bar.
所述用于安装主回路导线绝缘子的安装孔均为上下贯通，用于安装分支回路导线绝缘子的安装孔均为水平贯通。The installation holes for installing the wire insulators of the main circuit are all vertically through, and the installation holes for installing the branch circuit wire insulators are all horizontally through.
本实用新型还提供了一种单回路配电架空线路接线杆的架线结构，包括直线杆，所述直线杆的一侧由高到低至少设置有两个长度均不小于一倍漏电距离的挂线横担，各挂线横担的同侧均设置有一个用于安装主回路导线绝缘子的安装孔和一个用于安装分支回路对应相导线绝缘子的安装孔，各安装孔通过绝缘子挂接有对应导线，主回路的三相导线布置在直线杆的同一侧，分支回路的三相导线垂直布置在直线杆的同一侧。The utility model also provides a wiring structure for a wiring rod of a single-circuit power distribution overhead line, which includes a straight rod, and one side of the straight rod is provided with at least two wires whose length is not less than one time of the leakage distance. Hanging wire cross-arm, the same side of each hanging wire cross-arm is provided with a mounting hole for installing the insulator of the main circuit wire and a mounting hole for installing the corresponding phase wire insulator of the branch circuit. Corresponding to the wires, the three-phase wires of the main circuit are arranged on the same side of the straight rod, and the three-phase wires of the branch circuits are vertically arranged on the same side of the straight rod.
所述的挂线横担为两个，由高至低布置在直线杆杆身的同侧，由高到低数第一个挂线横担的同侧设置有一个用于安装主回路第二相导线绝缘子的安装孔和一个用于安装分支回路第二相导线绝缘子的安装孔，由高到低数第二个挂线横担的同侧设置有一个用于安装主回路第三相导线绝缘子的安装孔和一个用于安装分支回路第三相导线绝缘子的安装孔，用于安装分支回路各相导线绝缘子的安装孔均设置在各对应挂线横担的相同侧，各挂线横担上的安装孔上挂接有对应导线，所述直线杆的顶部设置有一安装支架，该安装支架上挂接有主回路第一相导线，所述安装支架与由高到低数第一个挂线横担之间的直线杆上设置有下线抱箍，所述下线抱箍的一侧设置有挂环，挂环上通过绝缘子挂接有分支线路第一相导线，且所述下线抱箍与由高到低数第一个挂线横担之间的间距不小于1倍的漏电距离。There are two hanging wire cross-arms, which are arranged on the same side of the linear rod shaft from high to low, and there is a second hanging wire cross-arm for installing the main circuit on the same side of the first hanging wire cross-arm from high to low. The installation hole for the phase wire insulator and the installation hole for installing the second phase wire insulator of the branch circuit, and there is an insulator for installing the third phase wire of the main circuit on the same side of the second hanging wire cross arm from high to low The installation hole for installing the third phase wire insulator of the branch circuit and one installation hole for installing the insulator of the third phase wire of the branch circuit. The installation holes for installing the insulators of each phase wire of the branch circuit are all set Corresponding wires are hung on the mounting hole of the linear rod, and a mounting bracket is provided on the top of the linear rod. The first phase wire of the main circuit is mounted on the mounting bracket. The mounting bracket is connected with the first hanging wire from high to low An off-line hoop is arranged on the straight rod between the cross-arms, and a hanging ring is arranged on one side of the off-line hoop, and the first phase conductor of the branch line is hung on the hanging ring through an insulator, and the off-line hoop The distance between the hoop and the first hanging wire crossarm from high to low shall not be less than 1 times the creepage distance.
所述的安装支架呈倒“U”字型，布置在直线杆杆身顶部，安装支架的两端分别位于直线杆端部的两侧，安装支架通过焊接在两端的抱箍固定，安装支架的中间位置设有安装孔，该安装孔通过绝缘子挂接有主回路第一相导线。The mounting bracket is in an inverted "U" shape and is arranged on the top of the linear rod body. The two ends of the mounting bracket are respectively located on both sides of the end of the linear rod. The mounting bracket is fixed by hoops welded at both ends. A mounting hole is provided at the middle position, and the first phase conductor of the main circuit is connected to the mounting hole through an insulator.
所述的挂线横担为三个，由高至低布置在直线杆杆身的同侧，由高到低数第一个挂线横担的同侧设置有一个用于安装主回路第一相导线绝缘子的安装孔和一个用于安装分支回路第一相导线绝缘子的安装孔，由高到低数第二个挂线横担的同侧设置有一个用于安装主回路第二相导线绝缘子的安装孔和一个用于安装分支回路第二相导线绝缘子的安装孔，由高到低数第三个挂线横担的同侧设置有一个用于安装主回路第三相导线绝缘子的安装孔和一个用于安装分支回路第三相导线绝缘子的安装孔，用于安装分支回路各相导线绝缘子的安装孔均设置在各对应挂线横担的相同侧，分支回路的三相导线在直线杆的同一侧垂直布置，且三相导线间的距离均不小于1倍的漏电距离。There are three hanging wire cross arms, which are arranged on the same side of the linear rod shaft from high to low, and there is a first hanging wire cross arm for installing the main circuit on the same side of the first hanging wire cross arm from high to low. The installation hole of the phase wire insulator and the installation hole for installing the first phase wire insulator of the branch circuit, and the same side of the second hanging wire cross arm from high to low is provided with an insulator for installing the second phase wire of the main circuit There is an installation hole for installing the insulator of the second phase wire of the branch circuit, and there is an installation hole for installing the insulator of the third phase wire of the main circuit on the same side of the third hanging cross arm from the highest to the lowest. And a mounting hole for installing the insulator of the third phase wire of the branch circuit. The mounting holes for installing the insulators of the phase wires of the branch circuit are all set on the same side of each corresponding hanging wire cross arm. The three-phase wires of the branch circuit are on the straight pole Arranged vertically on the same side of the three-phase conductors, and the distance between the three-phase conductors is not less than 1 times the creepage distance.
所述主回路三相导线之间的间距均大于1倍的漏电距离，主回路三相导线中的其中一相导线与分支回路中不与该相导线连接的另外两相导线之间的间距均不小于1倍的漏电距离。The distances between the three-phase conductors of the main circuit are greater than 1 times the leakage distance, and the distances between one of the three-phase conductors of the main circuit and the other two phase conductors in the branch circuit that are not connected to the phase conductors are equal. Not less than 1 times the creepage distance.
本实用新型的有益效果是：本实用新型通过在直线杆的一侧由高到低至少设置两个长度均不小于一倍漏电距离的挂线横担，并在各挂线横担的同侧均设置一个用于安装主回路导线绝缘子的安装孔和一个用于安装分支回路对应相导线绝缘子的安装孔，使主回路的三相导线布置在直线杆的同一侧，分支回路的三相导线垂直布置在直线杆的同一侧。本实用新型的接线杆结构简单，实现了在一基直线杆上完成分支下线，且主回路和分支回路的三相导线均在直线杆的一侧布置，且分支回路三相导线为垂直布置，既解决了主回路两侧布置导线造成走廊宽度增加的问题，也解决了分支回路三相导线三角形布置线路走廊较宽的问题，实现了在通道狭窄地段的分支下线需要。The beneficial effects of the utility model are: the utility model sets at least two hanging wire cross arms whose lengths are not less than one time of the leakage distance on one side of the linear rod from high to low, and on the same side of each hanging wire cross arm One installation hole for installing the main circuit wire insulator and one installation hole for installing the corresponding phase wire insulator of the branch circuit are arranged, so that the three-phase wires of the main circuit are arranged on the same side of the straight rod, and the three-phase wires of the branch circuit are vertical Arranged on the same side of the straight bar. The wiring rod of the utility model has a simple structure, which realizes the branch off-line on a basic straight rod, and the three-phase wires of the main circuit and the branch circuit are arranged on one side of the straight rod, and the three-phase wires of the branch circuits are arranged vertically , which not only solves the problem of increasing the width of the corridor caused by the arrangement of conductors on both sides of the main circuit, but also solves the problem of wider corridors of the triangular arrangement of the three-phase conductors of the branch circuit, and realizes the need for branch off-lines in narrow passageways.
附图说明Description of drawings
图1是本实用新型单回路配电架空线路接线杆实施例一的结构正视图；Fig. 1 is a structural front view of Embodiment 1 of the single-circuit power distribution overhead line wiring rod of the present invention;
图2是本实用新型单回路配电架空线路接线杆实施例二的结构正视图；Fig. 2 is a structural front view of Embodiment 2 of the single-circuit power distribution overhead line wiring rod of the present invention;
图3是本实用新型单回路配电架空线路接线杆实施例二的结构侧视图；Fig. 3 is a structural side view of Embodiment 2 of the single-circuit power distribution overhead line wiring rod of the present invention;
图4是本实用新型单回路配电架空线路接线杆实施例二的结构俯视图；Fig. 4 is a top view of the structure of Embodiment 2 of the utility model single-circuit power distribution overhead line wiring rod;
图5是本实用新型单回路配电架空线路接线杆的接线结构图。Fig. 5 is a wiring structure diagram of the utility model single-circuit power distribution overhead line wiring rod.
具体实施方式detailed description
下面结合附图对本实用新型的具体实施方式做进一步的说明。Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described further.
本实用新型的一种单回路配电架空线路接线杆的实施例一Embodiment 1 of a single-circuit power distribution overhead line wiring rod of the present utility model
本实施例的单回路配电架空线路接线杆的结构如图1所示，包括竖直设置在地面上的直线杆，直线杆同侧由高到低设置有三个长度均不小于一倍漏电距离的挂线横担，各挂线横担之间的间距不小于1倍的漏电距离，各挂线横担通过U型抱箍固定在电杆上。由高到低数分别为第一挂线横担、第二挂线横担和第三挂线横担，各挂线横担的长度相同，第一挂线横担上设置有一个用于安装主回路第一相导线绝缘子的安装孔和一个用于安装分支回路第一相导线绝缘子的安装孔，第二挂线横担上设置有一个用于安装主回路第二相导线绝缘子的安装孔和一个用于安装分支回路第二相导线绝缘子的安装孔，第三挂线横担上设置有一个用于安装主回路第三相导线绝缘子的安装孔和一个用于安装分支回路第三相导线绝缘子的安装孔，用于安装分支回路各相导线绝缘子的安装孔均设置在各对应挂线横担的相同侧，本实施例中用于安装分支回路各相导线绝缘子的安装孔均设置在各对应挂线横担远离直线杆的端部，使分支回路的三相导线在直线杆的同一侧垂直布置，用于安装主回路各相导线绝缘子的安装孔均设置在各对应挂线横担的相同侧，使主回路的三相导线在直线杆的同一侧垂直布置。用于安装主回路导线支持绝缘子的安装孔均为上下贯通，用于安装分支回路耐张绝缘子的安装孔均为水平贯通。The structure of the wiring rod for the single-circuit power distribution overhead line of this embodiment is shown in Figure 1, including a straight rod vertically arranged on the ground, and three lengths of the same side of the straight rod are arranged from high to low, and the lengths are not less than one time the creepage distance. The distance between each hanging wire cross arm is not less than 1 times the creepage distance, and each hanging wire cross arm is fixed on the pole through a U-shaped hoop. The numbers from high to low are the first wire-hanging cross-arm, the second wire-hanging cross-arm and the third wire-hanging cross-arm. The lengths of each wire-hanging cross-arm are the same, and there is a An installation hole for the first phase wire insulator of the main circuit and an installation hole for installing the first phase wire insulator of the branch circuit, and an installation hole for installing the second phase wire insulator of the main circuit and One installation hole for installing the insulator of the second phase wire of the branch circuit, and one installation hole for installing the insulator of the third phase wire of the main circuit and one for installing the insulator of the third phase wire of the branch circuit The installation holes for installing the insulators of each phase wire of the branch circuit are set on the same side of each corresponding hanging wire cross arm. In this embodiment, the installation holes for installing the insulators of each phase wire of the branch circuit are set on each corresponding The hanging wire cross arm is far away from the end of the straight rod, so that the three-phase wires of the branch circuit are vertically arranged on the same side of the straight rod, and the installation holes for installing the insulators of each phase wire of the main circuit are set at the same position of each corresponding hanging wire cross arm. side, so that the three-phase wires of the main circuit are arranged vertically on the same side of the straight bar. The installation holes used to install the supporting insulators of the main circuit wires are all through up and down, and the installation holes used to install the tension insulators of the branch circuits are all horizontally through.
本实施例中单回路配电架空线路接线杆实现了在一基直线杆上完成分支下线，直线杆的主回路架设方向的另外一侧不布置导线，以解决当直线杆另外一侧临近建构筑物时安全间距无法满足技术要求的问题，三个挂线横担均布置在电杆的同一侧，分支回路的三相导线通过上述单个挂线横担垂直布置，使分支回路的线路走廊宽度最小，以最大限度的充分利用走廊宽度，解决了分支回路两侧均临近建构筑物时安全间距无法满足技术要求的问题。且本实用新型的分支回路和主回路的同相导线分别共用一个挂线横担，减少了材料的用量，节约了工程投资。In this embodiment, the wiring pole of the single-circuit power distribution overhead line realizes the completion of the branch off-line on a straight pole, and the other side of the main circuit erection direction of the straight pole is not arranged with wires, so as to solve the problem when the other side of the straight pole is close to the building. The safety distance of the structure cannot meet the technical requirements. The three hanging wire cross arms are arranged on the same side of the pole, and the three-phase conductors of the branch circuit are arranged vertically through the above single hanging wire cross arm, so that the width of the line corridor of the branch circuit is the smallest. , to make full use of the width of the corridor to the maximum extent, and solve the problem that the safety distance cannot meet the technical requirements when both sides of the branch circuit are adjacent to buildings. Moreover, the same-phase wires of the branch circuit and the main circuit of the utility model respectively share a hanging cross arm, which reduces the consumption of materials and saves engineering investment.
本实用新型的一种单回路配电架空线路接线杆的实施例二Embodiment 2 of a single-circuit power distribution overhead line wiring rod of the present utility model
本实施例是在实施例一基础上的进一步改进，实施例一中直线杆上需要设置三个横担，导致对直线杆的高度要求较高，为了缩短直线杆的高度，降低施工难度和成本，本实施例中的挂线横担设置有两个，由高到低分别为第一横担和第二横担，如图2所示，直线杆的顶部安装用于架设主回路第一相导线的安装支架，本实施例中的安装支架呈倒“U”字型，布置在直线杆杆身顶部，安装支架的两端分别位于直线杆端部的两侧，安装支架通过焊接在两端的抱箍固定，安装支架的中间位置设有用于安装支撑主回路第一相导线绝缘子的安装孔。下线抱箍设置在安装支架和第一挂线横担之间，下线抱箍的一侧设置有安装分支线路第一相导线绝缘子的挂环，挂环与挂线横担处于直线杆的同侧，下线抱箍上设置的挂环与下线抱箍通过焊接连接，下线抱箍与第一挂线横担之间的间距不小于1倍的漏电距离。固定安装支架的抱箍和下线抱箍可以为同一抱箍，也可以采用不同抱箍，本实施例为节省成本，这两个抱箍为同一抱箍。This embodiment is a further improvement on the basis of Embodiment 1. In Embodiment 1, three cross arms need to be installed on the straight rod, resulting in higher requirements for the height of the straight rod. In order to shorten the height of the straight rod, reduce construction difficulty and cost , there are two hanging wire cross arms in this embodiment, which are the first cross arm and the second cross arm respectively from high to low. As shown in Figure 2, the top of the straight rod is installed for erecting the first phase of the main circuit The mounting bracket of the wire, the mounting bracket in this embodiment is an inverted "U" shape, arranged on the top of the linear rod body, the two ends of the mounting bracket are respectively located on both sides of the end of the linear rod, and the mounting bracket is welded on both ends. The hoop is fixed, and the middle position of the installation bracket is provided with an installation hole for installing and supporting the insulator of the first phase wire of the main circuit. The downline hoop is set between the installation bracket and the first hanging wire arm. One side of the downline hoop is provided with a hanging ring for installing the first phase wire insulator of the branch line. On the same side, the hanging ring set on the downline hoop and the downline hoop are connected by welding, and the distance between the downline hoop and the first hanging wire cross arm is not less than 1 times the leakage distance. The hoop for fixing the mounting bracket and the hoop for the off-line can be the same hoop, or different hoops can be used. In this embodiment, the two hoops are the same hoop to save costs.
第一挂线横担和第二挂线横担的布置方式与实施例一中挂线横担的设置方式相同，由高至低布置在直线杆杆身同侧，两个横担均通过U型抱箍固定在直线杆上，第一挂线横担的同侧设置有一个用于安装主回路第二相导线绝缘子的安装孔和一个用于安装分支回路第二相导线绝缘子的安装孔，第二挂线横担的同侧设置有一个用于安装主回路第三相导线绝缘子的安装孔和一个用于安装分支回路第三相导线绝缘子的安装孔，用于安装分支回路各相导线绝缘子的安装孔均设置在各对应挂线横担的相同侧，本实施例中用于安装分支回路第二和第三相导线绝缘子的安装孔均设置在各对应挂线横担远离直线杆的端部，用于安装主回路导线支持绝缘子的安装孔均为上下贯通，用于安装分支回路耐张绝缘子的安装孔均为水平贯通。The arrangement of the first wire-hanging cross-arm and the second wire-hanging cross-arm is the same as that in Embodiment 1. They are arranged on the same side of the straight rod shaft from high to low, and both cross-arms pass through the U The type hoop is fixed on the straight pole, and the same side of the first hanging wire cross arm is provided with a mounting hole for installing the second phase wire insulator of the main circuit and a mounting hole for installing the second phase wire insulator of the branch circuit. On the same side of the second hanging wire cross arm, there is an installation hole for installing the third-phase wire insulator of the main circuit and an installation hole for installing the third-phase wire insulator of the branch circuit, which is used for installing the insulators of each phase wire of the branch circuit The installation holes of each corresponding hanging wire cross-arm are set on the same side. In this embodiment, the installation holes for installing the second and third phase wire insulators of the branch circuit are all set at the end of each corresponding hanging wire cross-arm away from the straight rod. The installation holes used to install the supporting insulators of the main circuit wires are all through up and down, and the installation holes used to install the tension insulators of the branch circuits are all horizontally through.
通过上述单回路配电架空线路接线杆，能使分支回路的第二和第三相导线与挂接在下线抱箍挂环上的分支回路的第一相导线在直线杆的同一侧垂直布置；使主回路的第二和第三相导线与挂接在安装支架上的主回路的第一相导线在直线杆的同一侧垂直布置，如图3和图4所示。Through the above single-circuit power distribution overhead line wiring rod, the second and third phase conductors of the branch circuit can be vertically arranged on the same side of the straight rod as the first phase conductor of the branch circuit connected to the hoop hanging ring of the downline; Arrange the second and third phase wires of the main circuit vertically on the same side of the straight bar as the first phase wire of the main circuit hooked on the mounting bracket, as shown in Figure 3 and Figure 4.
本实用新型的一种单回路配电架空线路接线杆的接线结构的实施例An embodiment of the wiring structure of a single-circuit power distribution overhead line wiring rod of the utility model
本实施例的单回路配电架空线路接线杆的接线结构是基于图2中的单回路配电架空线路接线杆，该接线结构如图5所示，直线杆上由高到低依次设置一付安装支架、一付下线抱箍、第一层挂线横担和第二层挂线横担，两层挂线横担布置在直线杆的同侧，长度相同且不小1倍的漏电距离，安装支架呈倒“U”字型，布置在直线杆杆身顶部，安装支架的两端分别位于直线杆端部的两侧，安装支架通过焊接在两端的抱箍固定，安装支架的中间位置设有用于安装支撑主回路第一相导线绝缘子的安装孔顶部的安装支架架设有主回路的第一相导线，下线抱箍设置在安装支架和第一挂线横担之间，下线抱箍的一侧设置有安装分支线路第一相导线绝缘子的挂环，下线抱箍上设置的挂环与下线抱箍通过焊接连接，下线抱箍与第一挂线横担之间的间距不小于1倍的漏电距离，挂环上通过绝缘子挂接有分支线路第一相导线。固定安装支架的抱箍和下线抱箍可以为同一抱箍，也可以采用不同抱箍，本实施例中这两个抱箍为同一抱箍。The wiring structure of the single-circuit power distribution overhead line terminal pole in this embodiment is based on the single-circuit power distribution overhead line terminal pole in Figure 2. Mounting bracket, a pair of off-line hoops, the first layer of hanging wire cross arm and the second layer of hanging wire cross arm, the two layers of hanging wire cross arms are arranged on the same side of the straight rod, the length is the same and the creepage distance is not less than twice , the mounting bracket is in the shape of an inverted "U" and is arranged on the top of the linear rod body. The two ends of the mounting bracket are respectively located on both sides of the end of the linear rod. There is a mounting bracket on the top of the installation hole for installing and supporting the first phase wire insulator of the main circuit. The first phase wire of the main circuit is mounted on the top. One side of the hoop is provided with a hanging ring for installing the insulator of the first phase wire of the branch line. The hanging ring set on the downline hoop and the downline hoop are connected by welding. The spacing is not less than 1 times the creepage distance, and the first phase conductor of the branch line is connected to the hanging ring through an insulator. The hoop for fixing the installation bracket and the hoop for the off-line can be the same hoop, or different hoops. In this embodiment, the two hoops are the same hoop.
下线抱箍安装分支回路的第一相导线，第一挂线横担通过其对应的安装主回路的第二相导线和分支回路的第二相导线，第二挂线横担安装主回路的第三相导线和分支回路的第三相导线，主回路的三相导线中的第一相导线布置在电杆的顶部，分支回路的第一相导线布置在两根横担侧的电杆端部位置，主回路和分支回路的第二、第三相分别布置在两根横担的端部，分支回路的第二和第三相导线与挂接在下线抱箍挂环上的分支回路的第一相导线在直线杆的同一侧垂直布置；使主回路的第二和第三相导线与挂接在安装支架上的主回路的第一相导线在直线杆的同一侧垂直布置。The first phase conductor of the branch circuit is installed on the hoop of the lower line, and the second phase conductor of the main circuit and the second phase conductor of the branch circuit are installed through the first hanging wire cross arm, and the second phase wire of the main circuit is installed on the second hanging wire cross arm. The third phase conductor and the third phase conductor of the branch circuit, the first phase conductor of the three-phase conductor of the main circuit is arranged on the top of the pole, and the first phase conductor of the branch circuit is arranged at the pole end of the two cross-arm sides The second and third phases of the main circuit and the branch circuit are respectively arranged at the ends of the two cross-arms, the second and third phase wires of the branch circuit are connected with the branch circuit connected to the hanging ring of the downline hoop The first phase conductors are arranged vertically on the same side of the straight bar; the second and third phase conductors of the main circuit and the first phase conductors of the main circuit hung on the mounting bracket are vertically arranged on the same side of the straight bar.
主回路三相导线与分支回路对应相导线之间分别通过引线连接，主回路和分支回路的三相导线间的距离均不小于1倍的漏电距离。主回路三相导线之间的间距均不小于1倍的漏电距离，主回路三相导线中的其中一相导线与分支回路中不与该相导线连接的另外两相导线之间的间距均不小于1倍的漏电距离。The three-phase conductors of the main circuit and the corresponding phase conductors of the branch circuits are respectively connected by lead wires, and the distance between the three-phase conductors of the main circuit and the branch circuits is not less than 1 times the leakage distance. The distance between the three-phase conductors of the main circuit shall not be less than 1 times the leakage distance, and the distance between one phase conductor of the three-phase conductors of the main circuit and the other two phase conductors in the branch circuit that are not connected to the phase conductor shall not be less than 1. Less than 1 times the creepage distance.
Claims (10)
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620180996.3U CN205583618U (en) | 2016-03-09 | 2016-03-09 | Single loop distribution overhead line junction pole and wiring structure thereof |
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| CN201620180996.3U CN205583618U (en) | 2016-03-09 | 2016-03-09 | Single loop distribution overhead line junction pole and wiring structure thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105680400A (en) * | 2016-03-09 | 2016-06-15 | 国家电网公司 | Single-loop power distribution overhead line junction pole and wiring structure thereof |
| CN111654003A (en) * | 2020-07-03 | 2020-09-11 | 尚特(广州)机器人智能装备有限公司 | Distribution network frame for distribution network planning |
-
2016
- 2016-03-09 CN CN201620180996.3U patent/CN205583618U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105680400A (en) * | 2016-03-09 | 2016-06-15 | 国家电网公司 | Single-loop power distribution overhead line junction pole and wiring structure thereof |
| CN105680400B (en) * | 2016-03-09 | 2018-03-20 | 国家电网公司 | A kind of single loop distribution overhead line junction pole and its wiring construction |
| CN111654003A (en) * | 2020-07-03 | 2020-09-11 | 尚特(广州)机器人智能装备有限公司 | Distribution network frame for distribution network planning |
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