KR101151864B1 - Extension bracket for unified crossarm - Google Patents

Extension bracket for unified crossarm Download PDF

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Publication number
KR101151864B1
KR101151864B1 KR1020110012405A KR20110012405A KR101151864B1 KR 101151864 B1 KR101151864 B1 KR 101151864B1 KR 1020110012405 A KR1020110012405 A KR 1020110012405A KR 20110012405 A KR20110012405 A KR 20110012405A KR 101151864 B1 KR101151864 B1 KR 101151864B1
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KR
South Korea
Prior art keywords
built
extension bracket
crossarm
wrought iron
present
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KR1020110012405A
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Korean (ko)
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한정수
최병선
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한국전력공사
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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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B17/00—Insulators or insulating bodies characterised by their form
    • H01B17/02—Suspension insulators; Strain insulators
    • H01B17/06—Fastening of insulator to support, to conductor, or to adjoining insulator
    • 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
    • H02G13/00—Installations of lightning conductors; Fastening thereof to supporting structure
    • H02G13/80—Discharge by conduction or dissipation, e.g. rods, arresters, spark gaps

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Insulators (AREA)

Abstract

PURPOSE: An extension bracket for a built-in crossarm is provided to conveniently perform a construction operation by arranging two ball shackles to respectively face a connection part of a body portion combined with a built-in crossarm using a cotter pin. CONSTITUTION: A body portion(12) is extended to a longitudinal direction to be attached to the built-in crossarm(11). A connection portion(14) is formed into multiple and connects a ball shackle with pin combination. The connection portion is circular and a penetration hole is formed in a center of the connection portion.

Description

내장완철용 연장 브래킷{Extension bracket for unified crossarm} Extension bracket for unified crossarm

본 발명은 내장완철용 연장 브래킷에 관한 것으로, 특히 단일형 내장완철에 착탈이 용이하고, 부속장치를 설치하기 위한 이격공간을 확보할 수 있는 내장완철용 연장 브래킷에 관한 것이다. BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an extension bracket for a built-in wrought iron, and more particularly to a built-in wrought iron extension bracket that can be easily attached to and detached from a single built-in wrought iron,

일반적으로 단일형 내장완철은, 2개의 볼쇄클을 각 상(相)별로 2개의 별도의 구멍에다 교차하여 연결할 수 있도록 한 내장완철이다. 즉, 도 1에 도시된 바와 같이, 전주(1)에 결합된 단일형 내장완철(2)에 한 쌍의 구멍(3)이 복수 위치에 각각 형성되고, 이들 구멍(3)에 볼쇄클(도시 안 됨)을 매개로 상을 달리하는 전원 측 및 부하 측, 2개의 현수애자(4)가 서로 엇갈리게 설치된다.In general, a single-piece built-in wrought iron is a built-in wrought iron in which two ball shackles can be crossed and connected to two separate holes for each phase. That is, as shown in Fig. 1, a pair of holes 3 are formed at a plurality of positions in a single built-in solid iron 2 coupled to the electric pole 1, The power supply side and the load side which are different in phase through the intermediary of the two suspension insulators 4 are installed to be offset from each other.

그런데 이러한 구조에서는, 2개 상 사이에 볼쇄클이 교차하여 설치되어 있어서, 이격공간을 확보하기 어려워 피뢰기(LA), 컷아웃스위치(COS)등의 부속장치를 설치하기 어렵다. However, in such a structure, the ball shackles are provided so as to cross each other between the two phases, and it is difficult to secure the spacing space, and it is difficult to provide an attachment device such as the lightning arrester LA and the cut-out switch (COS).

또 처음에는 일반적인 내장주로 시공하였으나, 나중에 LA 또는 COS등을 추가로 시공하는 경우에는, 상기에서와 같이 이격공간이 부족하기 때문에 겹장주로 변경하거나, 또는 도 2에 도시된 바와 같이, 한쪽 구멍(3)에는 피뢰기(5)등을 설치하고, 다른 쪽 구멍(3)에는 전원 측 및 부하 측 현수애자(4)를 볼쇄클((도시 안 됨)을 매개로 겹쳐서 시공하기도 한다.In the case where LA, COS or the like is additionally installed at a later time, since the spacing space is insufficient as described above, The lightning arresters 5 and the like may be provided in the other hole 3 and the power supply side and the load side suspending insulator 4 may be overlapped with each other via ball chaining (not shown).

따라서, 기존에 설치된 2개의 볼쇄클 중 하나를 제거하고, 나머지 하나에 2개의 현수애자(4)를 겹쳐서 설치해야하므로 전원 측 및 부하 측 선로 철거 또는 변경작업에 공사비용이 증가하고, 또 작업능률이 저하되는 결점이 있었다.Therefore, it is necessary to remove one of the two existing ball chain shafts and to install the two suspending insulators 4 on the remaining one, so that the construction cost is increased in the removal or change work of the power source side and the load side line, There was a drawback that it deteriorated.

이를 위하여 종래에도 여러 기술이 제안되어 있는바, 예컨대 한국 특허공개 제2006-0113100호(2006.11.02 공개)는, 구조가 개선된 쇄클의 헤드가 직접 끼워져 고정되는 횡장공을 전.후면에 관통형성하되, 적어도 일면에 형성된 횡장공의 둘레에 쇄클의 헤드의 일부분을 수용하는 수용부를 갖도록 구성되어, 손쉽게 쇄클을 경완금에 고정할 수 있는 구조가 기재되어 있는바, 이는 쇄클의 헤드를 변경하여야 하므로 기존의 쇄클을 채용하기 어려운 문제가 있다.For example, Korean Patent Laid-Open Publication No. 2006-0113100 (published on November 11, 2006) discloses a technique in which a horizontal elongated hole, in which a head of an improved chuckle is directly fitted and fixed, A structure is provided which has a receiving portion for accommodating a part of the head of the chuckle around at least a lateral slot formed on one side so that the chuckle can be easily fixed to the lightening jig since the head of the chuck must be changed There is a problem that it is difficult to adopt an existing chain.

이에 본 발명은 상기와 같은 종래기술의 결점을 해결하기 위하여 발명된 것으로, 본 발명의 주된 목적은 착탈이 용이하고, 부속장치를 설치하기 위한 이격공간을 확보할 수 있는 내장완철용 연장 브래킷을 제공하는 것이다. Accordingly, it is an object of the present invention to provide an extension bracket for a built-in wrought iron which is easy to install and dismount and which can secure a spacing space for installing an accessory device .

상기와 같은 목적을 달성하기 위한 본 발명에 따른 내장완철용 연장 브래킷은, 내장완철에 부착하도록 길이방향으로 연장된 몸체부와; 이 몸체부에 복수개로 형성되면서 각각이 핀 결합으로 볼쇄클을 연결할 수 있도록 된 연결부를 포함하는 구성으로 되어 있다.According to an aspect of the present invention, there is provided an extension bracket for a built-in wrought iron comprising: a body extending in a longitudinal direction to be attached to a built-in wrought iron; And a connection portion formed in the body portion so as to be able to connect the ball chain by pin coupling.

상기 연결부는 원형 형상이고, 그 중심에 관통구멍이 형성된 것을 특징으로 하며, 바람직하기에는 상기 연결부는 3개가 갖춰진 것을 특징으로 한다.The connecting portion is circular in shape and has a through hole at the center thereof. Preferably, the connecting portion is provided with three connecting portions.

상기와 같은 구성으로 된 본 발명은, 내장완철에 결합되는 몸체부의 연결부에 코터핀을 매개로 2개의 볼쇄클을 각각 대향되게 이격설치할 수 있어, 부속장치를 설치하기 위한 이격공간을 확보할 수 있고, 또 코터핀으로 내장완철에 쉽게 결합하거나 분리할 수 있어 시공작업이 간편하도록 되어 있다.According to the present invention having the above-described configuration, two balls can be spaced apart from each other through a cotter pin at a connecting portion of a body coupled to a built-in wagon, thereby securing a space for installing an accessory device , And it is easy to combine or detach from the built-in solid iron with the cotter pin, so that the construction work is simplified.

도 1은 종래 기술에 따른 단일형 내장완철에 현수애자를 시공한 상태를 개략적으로 도시한 평면도이다.
도 2는 종래 기술에 따른 단일형 내장완철에 피뢰기를 시공한 상태를 개략적으로 도시한 평면도이다.
도 3은 본 발명에 따른 내장완철용 연장 브래킷을 이용하여 단일형 내장완철에 피뢰기를 시공한 상태를 개략적으로 도시한 평면도이다.
도 4는 본 발명에 따른 내장완철용 연장 브래킷을 도시한 것으로서, 도 4a는 정면도이고, 도 4b는 평면도이다.
도 5는 본 발명에 따른 내장완철용 연장 브래킷에 볼쇄클이 결합된 상태를 도시한 확대 평면도이다.BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a plan view schematically showing a state in which a suspension insulator is installed in a single-piece built-in wrought iron according to the prior art.
FIG. 2 is a plan view schematically showing a state in which a lightning arrester is installed in a single-piece built-in wrought iron according to the prior art.
3 is a plan view schematically showing a state in which a lightning arrester is mounted on a single built-in wrought iron using an extension bracket for a built-in wrought iron according to the present invention.
FIG. 4 shows an extension bracket for a built-in wax iron according to the present invention, wherein FIG. 4A is a front view and FIG. 4B is a plan view.
5 is an enlarged plan view showing a state where a ball chain is coupled to an extension bracket for a built-in wax iron according to the present invention.

이하 본 발명을 첨부한 예시도면에 의거 상세히 설명한다.BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

도 3과 도 4를 참조하면, 본 발명에 따른 내장완철용 연장 브래킷(10)은, 내장완철(11)에 복수개로 설치되는바, 설명의 편의를 위하여 하나의 연장 브래킷(10)에 대하여 설명하기로 한다. 3 and 4, a plurality of extension brackets 10 for a built-in wax iron according to the present invention are provided on a built-in wax iron 11, and for convenience of explanation, one extension bracket 10 is described .

본 발명에 따른 내장완철용 연장 브래킷(10)은, 도 4에 상세히 도시된 바와 같이, 내장완철(11)의 외주면에 접촉하여 부착되도록 길이방향으로 연장된 몸체부(12)와; 이 몸체부(12)에 복수개로 형성되면서 각각이 핀 결합되도록 관통구멍(13)이 형성된 연결부(14)를 포함하는 구성으로 되어 있다.As shown in detail in FIG. 4, the extension bracket 10 for a built-in wrought iron according to the present invention comprises: a body portion 12 extending in the longitudinal direction so as to be attached to the outer peripheral surface of the built-up wrought iron 11; And a connecting portion 14 having a plurality of through holes 13 formed in the body portion 12 so as to be connected to each other by a pin.

바람직하기에는 상기 몸체부(12)에 3개의 연결부(14)가 일정간격을 두고 이격형성되는바, 가운데에 형성된 연결부(14)의 하부에는 강도를 보강하기 위하여 벽 두께가 두꺼운 후육부(15)가 돌출형성된다. Preferably, three connecting portions 14 are formed on the body portion 12 at regular intervals. In the lower portion of the connecting portion 14 formed at the center, a thick wall portion 15 having a thick wall thickness is provided Respectively.

여기서, 상기 연결부(14)는 대체로 원형 형상으로 형성되고, 그 중심에 형성된 관통구멍(13)에는 코터핀(16)과 같은 체결수단이 관통삽입되어 연장브래킷(10)을 내장완철(11)에 결합할 수 있게 된다. 또 바깥쪽 2개의 관통구멍(13)에는 코터핀(16)을 매개하여 현수애자(17)를 연결하기 위한 볼쇄클(18)을 각각 결합할 수 있도록 된다.The connecting portion 14 is formed in a generally circular shape and a fastening means such as a cotter pin 16 is inserted into the through hole 13 formed at the center thereof to connect the extending bracket 10 to the built- Lt; / RTI > And the ball chain 18 for connecting the suspension insulator 17 via the cotter pin 16 can be coupled to the two outer through holes 13. [

다음은, 상기와 같은 구성으로 된 본 발명에 따른 내장완철용 연장 브래킷 의 사용에 대하여 간단히 설명하기로 한다.Hereinafter, the use of the extension bracket for a built-in wrought iron according to the present invention will be briefly described.

도 4와 도 5에 도시된 바와 같이, 본 발명에 따른 내장완철용 연장 브래킷(10) 2개를 준비하고, 내장완철(11)에 형성된 한쪽 구멍(도시 안 됨)과, 양쪽 내장완철용 연장 브래킷(10)의 가운데 연결부(14)의 관통구멍(13)들을 일치시켜 맞추어 놓고, 이에 코터핀(16)을 삽입함으로써 내장완철(11)에 연장 브래킷(10)들을 결합한다.As shown in Figs. 4 and 5, two extension brackets 10 for built-in wrought iron according to the present invention are prepared, one hole (not shown) formed in the built-up wrought iron 11, The through holes 13 of the center connecting portion 14 of the bracket 10 are aligned with each other and the extension brackets 10 are engaged with the built-in wrought iron 11 by inserting the cotter pin 16 thereto.

다음, 연장 브래킷(10)의 바깥쪽 2개의 연결부(14)의 관통구멍(13)에 코터핀(16)을 매개로 현수애자(17)가 연결된 볼쇄클(18)을 각각 결합하면 된다.Next, the ball chain 18 to which the suspension insulator 17 is connected via the cotter pin 16 may be respectively coupled to the through hole 13 of the two connection portions 14 of the extension bracket 10.

그리고, 도 3에 도시된 바와 같이, 내장완철(11)에 형성된 다른 쪽 구멍(11a)에 피뢰기(LA) 또는 컷아웃스위치(COS)와 같은 부속장치(19)를 공지의 방법으로 부착하면 된다. 3, an attachment 19 such as a lightning arrester LA or a cut-out switch COS may be attached to the other hole 11a formed in the built-in solid iron 11 by a known method .

따라서, 상기와 같은 구성으로 된 본 발명에 따른 연장 브래킷(10)은, 내장완철(11)에 2개의 볼쇄클(18)을 각각 대향되게 이격설치할 수 있어, 피뢰기 또는 컷아웃스위치와 같은 부속장치를 설치하기 위한 공간을 확보할 수 있고, 또 코터핀(16)을 매개로 내장완철(11)에 쉽게 결합하거나 분리할 수 있어 시공작업이 간편하도록 되어 있다.Therefore, in the extension bracket 10 according to the present invention having the above-described structure, two ball shackles 18 can be spaced apart from each other in the built-in rigid frame 11, and an attachment device such as a lightning arrester or a cut- And it is also possible to easily attach or detach the built-in wrought iron 11 to the built-in wrought iron 11 through the coater pin 16, thereby simplifying the construction work.

상기 기재는 본 발명의 바람직한 일 실시예를 기술한 것으로서 본 발명이 이에 한정되는 것은 아니다. 당업자라면 본 발명의 범위 내에서 여러 변경, 수정이 가능함을 이해하여야 한다.The above description describes a preferred embodiment of the present invention, and the present invention is not limited thereto. It should be understood by those skilled in the art that various changes and modifications may be made without departing from the scope of the present invention.

10: 연장 브래킷 11; 내장완철
12: 몸체부 14: 연결부
16: 코터핀 18: 볼쇄클10: extension bracket 11; Built-in tin
12: body part 14: connection part
16: Coater pin 18: Ball chain

Claims (3)

내장완철(11)에 부착하도록 길이방향으로 연장된 몸체부(12)와;
이 몸체부(12)에 복수개로 형성되면서 각각이 핀 결합으로 볼쇄클(18)을 연결할 수 있도록 된 연결부(14)를 포함하는 내장완철용 연장 브래킷.A body portion 12 extending in the longitudinal direction so as to be attached to the built-up wrought iron 11;
And a connecting portion (14) formed in the body portion (12) so as to be able to connect the ball chain (18) by pin coupling. 제1항에 있어서, 상기 연결부(14)는 원형 형상이고, 그 중심에 관통구멍(13)이 형성된 것을 특징으로 하는 내장완철용 연장 브래킷.The extension bracket for a built-in wrought iron according to claim 1, wherein the connection portion (14) has a circular shape and a through hole (13) is formed at the center thereof. 제2항에 있어서, 상기 연결부(14)는 3개가 갖춰진 것을 특징으로 하는 내장완철용 연장 브래킷.3. The extension bracket for a built-in wrought iron according to claim 2, wherein three connecting portions (14) are provided.
KR1020110012405A 2011-02-11 2011-02-11 Extension bracket for unified crossarm KR101151864B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150138722A (en) * 2014-06-02 2015-12-10 한국전력공사 Turning divice for distribution line of utility pole

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100005531U (en) * 2008-11-21 2010-05-31 고선 Strain Crossarm

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100005531U (en) * 2008-11-21 2010-05-31 고선 Strain Crossarm

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150138722A (en) * 2014-06-02 2015-12-10 한국전력공사 Turning divice for distribution line of utility pole
KR102193827B1 (en) * 2014-06-02 2020-12-23 한국전력공사 Turning divice for distribution line of utility pole

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