KR20210158093A - Structure for D-Type Rack of Two-Stage Low Voltage Cable - Google Patents

Structure for D-Type Rack of Two-Stage Low Voltage Cable Download PDF

Info

Publication number
KR20210158093A
KR20210158093A KR1020200076427A KR20200076427A KR20210158093A KR 20210158093 A KR20210158093 A KR 20210158093A KR 1020200076427 A KR1020200076427 A KR 1020200076427A KR 20200076427 A KR20200076427 A KR 20200076427A KR 20210158093 A KR20210158093 A KR 20210158093A
Authority
KR
South Korea
Prior art keywords
stage
rack
low
fastened
voltage
Prior art date
Application number
KR1020200076427A
Other languages
Korean (ko)
Inventor
정대주
이은숙
이형구
Original Assignee
한국전력공사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 한국전력공사 filed Critical 한국전력공사
Priority to KR1020200076427A priority Critical patent/KR20210158093A/en
Publication of KR20210158093A publication Critical patent/KR20210158093A/en

Links

Images

Classifications

    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B2/00—Friction-grip releasable fastenings
    • F16B2/02—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening
    • F16B2/06—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action
    • F16B2/065—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action using screw-thread elements
    • 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
    • H01B17/38—Fittings, e.g. caps; Fastenings therefor
    • 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
    • H02G7/05—Suspension arrangements or devices for electric cables or lines

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Suspension Of Electric Lines Or Cables (AREA)

Abstract

According to the present invention, a two-stage low-voltage line D-type rack structure gives expandability to install one crossarm on right and left of a two-stage rack band through a two-stage rack as a medium while simplifying a coupling structure to be coupled to only one spot by a coupling member by rotating the two-stage rack band around a hinge shaft so as to solve a voltage drop and make it possible to supply electricity to buildings and places where high-voltage extension is not possible with construction of low-voltage lines in rural areas and enable separate installation of low-voltage lines and general lines dedicated to distributed power, thereby smoothly providing electricity to downtown and residential areas.

Description

2단 저압선로 D형 랙크 구조체{Structure for D-Type Rack of Two-Stage Low Voltage Cable}D-Type Rack Structure for Two-Stage Low Voltage Cable {Structure for D-Type Rack of Two-Stage Low Voltage Cable}

본 발명은 2단 저압선로 D형 랙크 구조체에 관한 것으로서, 더욱 상세하게는 랙크밴드의 체결구조를 단순화하면서 랙크밴드 좌우에 완철과 각각 결합되는 랙크를 구성하여 분산전원 전용 저압선로와 일반선로의 분리설치가 가능하도록 한 2단 저압선로 D형 랙크 구조체에 관한 것이다.The present invention relates to a two-stage low-voltage line D-type rack structure, and more specifically, by simplifying the fastening structure of the rack band and configuring racks that are respectively coupled to the armrests on the left and right sides of the rack band, separating the low-voltage line for distributed power and the general line It relates to a two-stage low-voltage line D-type rack structure that enables installation.

종래의 도심의 저압선로의 경우에는 도 2에 도시된 바와 같이 건조물 등과 일정거리 이상 이격된 경우에는 전주(5)에 I형 랙크부(10)를, 건조물 등과 근접한 경우에는 전주(5)에 D형 랙크부(20)를 부착하여 선로가 설치되며, 중성선(100)은 D형 랙크부(20) 최상단의 애자에 설치된다.(본 출원에서는 4선용 저압가선용 랙크를 'I형 랙크부'로, 편출용 D형 랙크부를 'D형 랙크부'로 칭하기로 한다.) 도 1에서 수용가로의 인입선 및 D형 랙크부에서의 인류스트랩 및 데드엔드클램프는 도시하지 않았다.In the case of a conventional low-voltage line in downtown, as shown in FIG. 2 , when spaced apart from a building or the like by a certain distance or more, the I-type rack part 10 is placed on the pole 5, and when it is close to the building, the D on the electric pole 5 The line is installed by attaching the type rack unit 20, and the neutral wire 100 is installed on the insulator at the top of the D type rack unit 20. (In this application, the rack for low-voltage overhead wires for 4 wires is referred to as 'I-type rack unit'. , the D-type rack part for extraction will be referred to as a 'D-type rack part'.) In FIG. 1, the lead-in line to the customer and the human strap and the dead end clamp in the D-type rack part are not shown.

즉, 상기 D형 랙크부(20)는 도 2에 도시한 바와 같이, 상하 일정 간격을 두고 각각 3층씩 포개어져 전주의 상부 및 하부에 체결되는 2단의 랙크밴드(22a)(22b)와, 상기 2단의 랙크밴드(22a)(22b)의 일측에 수평 직선으로 각각 고정되는 2단의 랙크(24a)(24b)와, 상기 2단의 랙크(24a)(24b)의 끝단에 수직으로 고정되는 완철(26)과, 상기 완철(26)의 일측에 상하 일정 간격을 두고 애자결합부(28)를 매개로 각각 설치되어 도시되지 않은 전력선 및 중성선이 각각 바인딩되도록 연결하는 다수의 애자(30)를 포함하여 이루어져 있다. That is, the D-type rack portion 20 is, as shown in FIG. 2, a two-stage rack band 22a, 22b that is superimposed on each other at regular intervals up and down and fastened to the upper and lower parts of the pole, and, Two-stage racks 24a and 24b respectively fixed to one side of the two-stage rack bands 22a and 22b in a horizontal straight line, and vertically fixed to the ends of the two-stage racks 24a and 24b A plurality of insulators 30 that are respectively installed through an insulator coupling unit 28 at a predetermined upper and lower intervals on one side of the arm 26 and the arm iron 26 so that the power line and the neutral wire, not shown, are respectively bound to each other. consists of

이때, 상기 2단의 랙크밴드(22a)(22b)의 좌측단은 2단의 랙크연결브래킷(40a)(40b)의 일측단과 각각 대응하여 연결되도록 볼트와 너트로 이루어진 연결부재(42)에 의해 각각 체결된다. At this time, the left end of the two-stage rack band (22a, 22b) is connected to one end of the two-stage rack connection bracket (40a, 40b) in correspondence with each other so as to be connected to each other by a connecting member 42 made of a bolt and a nut. each is signed

상기 2단의 랙크밴드(22a)(22b)는 좌우 분리되는 반원 형상으로 각각 형성된 것으로서, 그들 반원 형상은 전주를 사이에 두고 좌우에서 대향되게 마주하면서 양 끝단이 볼트와 너트로 이루어진 체결부재(44)에 의해 각각 체결되도록 구성되어 있다. The two-stage rack bands 22a and 22b are each formed in a semicircular shape that is separated from left and right, and these semicircular shapes face each other from left to right with an electric pole interposed therebetween, and both ends of the fastening member 44 are composed of bolts and nuts. ) to be fastened to each other.

그러나, 이와 같이 구성된 종래의 D형 랙크부(20)에 있어서, 2단의 랙크밴드(22a)(22b)는 상하 일정 간격을 두고 각각 3층씩 포개어지고, 이들 3층씩 포개어진 반원 형상의 양 끝단이 볼트와 너트로 이루어진 체결부재(44)에 의해 각각 체결되는 구조이기 때문에 2단의 랙크밴드(22a)(22b)를 전주 둘레에 체결할 때 전측과 후측에서 6번씩 총 12번을 체결부재(44)에 의해 각각 체결 작업하여야 불편함과 번거로움이 있을 뿐만 아니라 총 12번의 체결작업으로 인하여 작업시간이 많이 소요되고, 많은 볼트와 너트 사용으로 이용하여 설치비용이 상승된다는 문제점이 있었다. However, in the conventional D-type rack unit 20 configured as described above, the two-stage rack bands 22a and 22b are superimposed at regular intervals up and down by 3 layers, respectively, and both ends of the semicircular shape superimposed on each of these 3 layers. Since this structure is fastened by the fastening members 44 made of bolts and nuts, when fastening the two-stage rack bands 22a and 22b around the electric pole, a total of 12 fastening members (6 times each from the front and rear sides) 44), not only inconvenient and cumbersome, but also takes a lot of work time due to a total of 12 fastening works, and there are problems in that installation costs are increased due to the use of many bolts and nuts.

또한, 상기 2단의 랙크밴드(22a)(22b)는 좌측에만 1개의 완철(26)을 지지하는 2단의 랙크(24a)(24b)가 설치되는 구조이기 때문에 농어촌 저압선로 구성이 어려워 전압강하 해소가 어려울 뿐만 아니라 건주 및 고압연장 불가개소에 전기공급이 어렵고, 분산전원 전용 저압선로와 일반선로의 분리설치가 불가능하다는 문제점이 있었다. In addition, since the rack bands 22a and 22b of the two stages have a structure in which the racks 24a and 24b of the two stages supporting one arm 26 are installed only on the left side, it is difficult to configure the low voltage line in rural areas, so the voltage drop Not only was it difficult to solve, but it was also difficult to supply electricity to buildings and places where high voltage extension was not possible, and there were problems in that it was impossible to separate and install a low-voltage line dedicated to distributed power and a general line.

대한민국 등록특허공보 제10-1923903호(2018.11.26.)Republic of Korea Patent Publication No. 10-1923903 (2018.11.26.)

본 발명의 목적은 기존의 제반 문제점들을 감안하여 이를 해결하고자 제안된 것으로서, 농어촌 저압선로 구성으로 전압강하 해소는 물론 건주 및 고압연장 불가개소에 전기공급이 가능할 뿐만 아니라 분산전원 전용 저압선로와 일반선로의 분리설치가 가능함에 따라 도심지 및 주택가 밀집지역의 전기공급을 원활하게 할 수 있는 2단 저압선로 D형 랙크 구조체를 제공하는데 있다.The purpose of the present invention is to solve the problems in consideration of the existing problems, and it is possible to not only solve the voltage drop by configuring the low-voltage line in rural areas, but also to supply electricity to buildings and places where high-voltage extension is impossible, as well as low-voltage lines and general lines for distributed power only. The purpose of this is to provide a two-stage low-voltage line D-type rack structure that can smoothly supply electricity to downtown and residential areas as it can be installed separately.

상기 기술적 과제를 해결하기 위한 본 발명의 실시예에 따른 2단 저압선로 D형 랙크 구조체는, 상하 일정 간격을 두고 각각 3층씩 포개어져 전주의 일측에 상하 일정 간격을 두고 각각 체결되는 2단의 랙크밴드와, 상기 2단의 랙크밴드의 외주 좌측과 우측에 대향되도록 수평 직선으로 각각 고정되는 2단의 좌측 랙크 및 2단의 우측 랙크와, 상기 2단의 좌측 랙크 및 2단의 우측 랙크의 끝단에 각각 수직으로 고정되는 좌측 및 우측 완철과, 상기 좌측 및 우측 완철의 일측에 상하 일정 간격을 두고 좌측 및 우측 애자결합부를 매개로 각각 설치되어 전력선 및 중성선이 각각 바인딩되도록 연결하는 다수의 좌측 및 우측 애자를 포함하는 것을 특징으로 한다.A two-stage low-voltage line D-type rack structure according to an embodiment of the present invention for solving the above technical problem is a two-stage rack that is respectively superimposed on one side of the electric pole with a fixed upper and lower interval at regular intervals up and down by three layers, respectively. The band, the two-stage left rack and the two-stage right rack respectively fixed in a horizontal straight line so as to face the left and right sides of the outer periphery of the two-stage rack band, and the ends of the two-stage left rack and the two-stage right rack A plurality of left and right arms fixed vertically to the poles, and a plurality of left and right arms connected to each other so that the power lines and the neutral wires are bound to each other by installing left and right insulator coupling units at regular intervals up and down on one side of the left and right arms, respectively It is characterized in that it contains an insulator.

다른 실시예로서, 본 발명의 2단의 랙크밴드는, 외주 좌측단이 2단의 좌측 랙크연결브래킷의 일측단과 각각 연결되도록 볼트와 너트로 이루어진 제1 연결부재에 의해 각각 체결되고, 외주 우측단이 2단의 우측 랙크연결브래킷의 일측단과 각각 연결되도록 볼트와 너트로 이루어진 제2 연결부재에 의해 각각 체결된 것을 특징으로 한다.As another embodiment, the two-stage rack band of the present invention is each fastened by a first connecting member consisting of a bolt and a nut so that the outer periphery left end is connected to one end of the two-stage left rack connection bracket, respectively, and the outer periphery right end It is characterized in that each is fastened by a second connecting member consisting of a bolt and a nut so as to be respectively connected to one end of the two-stage right rack connection bracket.

다른 실시예로서, 본 발명의 2단의 랙크밴드는 좌우 분리되는 반원 형상으로 각각 형성된 것으로서, 좌측 및 우측 반원 형상의 일측 끝단이 상하 포개어져 힌지축에 의해 각각 회전 가능하게 결합되고, 좌측 및 우측 반원 형상의 타측 끝단이 상기 2단의 랙크밴드가 전주 둘레에 결합될 때 볼트와 너트로 이루어진 체결부재에 의해 각각 체결되는 것을 특징으로 한다.As another embodiment, the two-stage rack band of the present invention is formed in a semi-circular shape that is separated from left and right, and one end of the left and right semi-circular shapes are superimposed up and down and rotatably coupled to each other by a hinge shaft, left and right It is characterized in that the other end of the semicircular shape is respectively fastened by a fastening member made of a bolt and a nut when the two-stage rack band is coupled around the electric pole.

다른 실시예로서, 본 발명의 2단의 좌측 랙크와 2단의 우측 랙크는 길이가 다르거나 또는 길이가 같은 것을 특징으로 한다.As another embodiment, the two-stage left rack and the two-stage right rack of the present invention are characterized in that the length is different or the same length.

본 발명의 2단 저압선로 D형 랙크 구조체는 2단의 랙크밴드가 힌지축을 중심으로 회전되어 1곳만 체결부재에 의해 체결되도록 체결구조를 단순화하면서 2단의 랙크밴드의 좌우에 2단의 랙크를 매개로 각각 1개씩 완철이 설치되도록 확장성을 줌으로써 농어촌 저압선로 구성으로 전압강하 해소는 물론 건주 및 고압연장 불가개소에 전기공급이 가능할 뿐만 아니라 분산전원 전용 저압선로와 일반선로의 분리설치가 가능함에 따라 도심지 및 주택가 밀집지역의 전기공급을 원활하게 할 수 있는 효과가 있다.The two-stage low-voltage line D-type rack structure of the present invention simplifies the fastening structure so that the two-stage rack band is rotated around the hinge axis and fastened by the fastening member in only one place, By providing scalability so that one full iron is installed as a medium, it is possible to not only solve the voltage drop by configuring the low voltage line in rural areas, but also to supply electricity to the buildings and places where high voltage extension is not possible, as well as to separate the low voltage line for distributed power and the general line. Accordingly, it has the effect of smoothly supplying electricity to downtown and residential areas.

도 1은 종래 도심의 가공배선선로의 일례를 나타낸 구성도,
도 2는 종래의 D형 랙크부를 나타낸 사시도,
도 3은 본 발명의 D형 랙크부를 나타낸 사시도,
도 4는 본 발명의 좌우 랙크의 길이가 다른 D형 랙크부를 전주에 설치한 상태를 나타낸 구성도,
도 5는 본 발명의 좌우 랙크의 길이가 같은 D형 랙크부를 전주에 설치한 상태를 나타낸 구성도이다.1 is a block diagram showing an example of an overhead wiring line in a conventional city center;
Figure 2 is a perspective view showing a conventional D-type rack portion,
Figure 3 is a perspective view showing the D-type rack portion of the present invention,
Figure 4 is a configuration diagram showing a state in which the length of the left and right racks of the present invention are different D-type rack parts installed on the electric pole,
5 is a configuration diagram showing a state in which the length of the left and right racks of the present invention is the same D-type rack installed on the electric pole.

본 발명을 충분히 이해하기 위해서 본 발명의 바람직한 실시예를 첨부 도면 도 3 내지 도 5를 참조하여 설명한다. 본 발명의 실시예는 여러 가지 형태로 변형될 수 있으며, 본 발명의 범위가 아래에서 상세히 설명하는 실시예로 한정되는 것으로 해석되어서는 안 된다. 따라서 도면에서의 요소의 형상 등은 보다 명확한 설명을 강조하기 위해서 과장되어 표현될 수 있다. 각 도면에서 동일한 구성은 동일한 참조부호로 도시한 경우가 있음을 유의하여야 한다. 본 발명의 요지를 불필요하게 흐릴 수 있다고 판단되는 공지 기능 및 구성에 대한 상세한 기술은 생략된다.In order to fully understand the present invention, preferred embodiments of the present invention will be described with reference to the accompanying drawings 3 to 5. Embodiments of the present invention may be modified in various forms, and the scope of the present invention should not be construed as being limited to the embodiments described in detail below. Accordingly, the shape of elements in the drawings may be exaggerated to emphasize a clearer description. It should be noted that the same components in each drawing are sometimes illustrated with the same reference numerals. Detailed descriptions of well-known functions and configurations determined to unnecessarily obscure the gist of the present invention will be omitted.

도 3을 참조하면, 본 발명의 실시예에 따른 2단 저압선로 D형 랙크 구조체는, 상하 일정 간격을 두고 각각 3층씩 포개어져 전주의 일측에 상하 일정 간격을 두고 각각 체결되는 2단의 랙크밴드(120a)(120b)와, 상기 2단의 랙크밴드(120a)(120b)의 외주 좌측과 우측에 대향되도록 수평 직선으로 각각 고정되는 2단의 좌측 랙크(122a)(122b) 및 2단의 우측 랙크(124a)(124b)와, 상기 2단의 좌측 랙크(122a)(122b) 및 2단의 우측 랙크(124a)(124b)의 끝단에 각각 수직으로 고정되는 좌측 및 우측 완철(126a)(126b)과, 상기 좌측 및 우측 완철(126a)(126b)의 일측에 상하 일정 간격을 두고 좌측 및 우측 애자결합부(128a)(128b)를 매개로 각각 설치되어 도시되지 않은 전력선 및 중성선이 각각 바인딩되도록 연결하는 다수의 좌측 및 우측 애자(130a)(130b)를 포함하여 이루어져 있다. Referring to Figure 3, the two-stage low-voltage line D-type rack structure according to the embodiment of the present invention is a two-stage rack band that is respectively superimposed on one side of the electric pole with a fixed upper and lower interval at regular intervals up and down and three layers are overlapped, respectively. (120a) (120b), and the two-stage left rack (122a) (122b) and the two-stage right side respectively fixed in a horizontal straight line so as to face the left and right outer periphery of the two-stage rack band (120a, 120b) Racks 124a and 124b and left and right arms 126a and 126b which are vertically fixed to the ends of the two-stage left racks 122a and 122b and the two-stage right racks 124a and 124b, respectively. ), and the left and right insulator coupling portions 128a and 128b respectively installed at regular intervals up and down on one side of the left and right arms 126a and 126b, respectively, so that the power line and the neutral wire, not shown, are bound to each other. It consists of a plurality of left and right insulators (130a, 130b) to connect.

이때, 상기 2단의 랙크밴드(120a)(120b)는, 외주 좌측단이 2단의 좌측 랙크연결브래킷(140a)의 일측단과 각각 대응하여 연결되도록 볼트와 너트로 이루어진 제1 연결부재(142a)에 의해 각각 체결되고, 외주 우측단이 2단의 우측 랙크연결브래킷(140b)의 일측단과 각각 대응하여 연결되도록 볼트와 너트로 이루어진 제2 연결부재(142b)에 의해 각각 체결된다. At this time, the two-stage rack band (120a) (120b), the outer peripheral left end of the first connecting member (142a) made of a bolt and a nut to be connected to one end of the two-stage left rack connection bracket (140a) in correspondence with each other, respectively. Each is fastened by the, and the outer right end is each fastened by the second connecting member (142b) made of a bolt and a nut so that the outer right end is connected to one end of the two-stage right rack connection bracket (140b) corresponding to each.

상기 2단의 랙크밴드(120a)(120b)는 좌우 분리되는 반원 형상으로 각각 형성된 것으로서, 그들 좌측 및 우측 반원 형상의 일측 끝단이 상하 포개어져 힌지축(144)에 의해 각각 회전 가능하게 결합되고, 그들 좌측 및 우측 반원 형상의 타측 끝단이 상기 2단의 랙크밴드(120a)(120b)가 전주 둘레에 결합될 때 볼트와 너트로 이루어진 체결부재(146)에 의해 각각 체결되도록 구성되어 있다. The two-stage rack bands 120a and 120b are respectively formed in a semicircular shape separated from left and right, and one end of the left and right semicircular shapes are overlapped up and down and rotatably coupled to each other by a hinge shaft 144, The other ends of the left and right semicircular shapes are configured to be respectively fastened by fastening members 146 made of bolts and nuts when the two-stage rack bands 120a and 120b are coupled around the electric pole.

상기 2단의 좌측 랙크(122a)(122b)와 2단의 우측 랙크(124a)(124b)는 현장 여건에 따라 도 4와 같이 길이가 다르거나 도 5와 같이 같도록 선택적으로 연결될 수 있다. The two-stage left rack (122a, 122b) and the two-stage right rack (124a, 124b) may be selectively connected to have different lengths as shown in FIG. 4 or the same as in FIG. 5 depending on site conditions.

상기 2단의 좌측 랙크(122a)(122b)와 2단의 우측 랙크(124a)(124b)는 분산전원 전용 저압선로와 일반선로로 분리하여 선택적으로 설치될 수 있다. The two-stage left racks 122a and 122b and the two-stage right racks 124a and 124b may be selectively installed in separate low-voltage lines and general lines for distributed power.

이 처럼, 본 발명의 2단 저압선로 D형 랙크는 2단의 랙크밴드(120a)(120b)가 힌지축(144)을 중심으로 회전되어 전주 둘레를 감싸주면서 서로 맞닿는 양 끝단이 1곳만 체결부재(146)에 의해 체결되는 구조이기 때문에 기존 2단의 랙크밴드에 비해 볼트와 너트로 이루어진 체결부재의 개수를 절반으로 줄여 작업시간 단축은 물론 설치비용을 줄일 수 있는 장점이 있다. In this way, in the two-stage low-voltage line D-type rack of the present invention, the two-stage rack bands 120a and 120b are rotated around the hinge shaft 144 to wrap around the electric pole while both ends abut only one fastening member Since the structure is fastened by (146), compared to the existing two-stage rack band, the number of fastening members made of bolts and nuts is reduced by half, thereby reducing work time and installation costs.

또한, 본 발명의 2단 저압선로 D형 랙크는 2단의 랙크밴드(120a)(120b)의 좌우에 2단의 좌측 랙크(122a)(122b)와 2단의 우측 랙크(124a)(124b)를 매개로 각각 좌측 및 우측 완철(126a)(126b)이 양 방향으로 설치되는 구조이기 때문에 분산전원 전용 저압선로와 일반선로의 분리설치하여 농어촌 저압선로 구성할 수 있으므로 전압강하 해소는 물론 건주 및 고압연장 불가개소에 전기공급이 가능할 뿐만 아니라 도심지 및 주택가 밀집지역의 전기공급을 원활하게 할 수 있는 장점이 있다. In addition, the two-stage low-voltage line D-type rack of the present invention is a two-stage left rack (122a) (122b) and two-stage right rack (124a) (124b) on the left and right of the two-stage rack band (120a) (120b) As the structure in which the left and right arm rails 126a and 126b are installed in both directions via the It has the advantage of not only being able to supply electricity to places that cannot be extended, but also making it possible to supply electricity to downtown areas and densely populated areas.

한편, 본 발명은 상술한 실시예로만 한정되는 것이 아니라 본 발명의 요지를 벗어나지 않는 범위내에서 수정 및 변형하여 실시할 수 있고, 그러한 수정 및 변형이 가해진 기술사상 역시 이하의 특허청구범위에 속하는 것으로 보아야 한다.On the other hand, the present invention is not limited to the above-described embodiments, but can be implemented with modifications and variations without departing from the gist of the present invention, and the technical idea to which such modifications and variations are applied also falls within the scope of the following claims. have to see

120a,120b : 2단의 랙크밴드
122a,122b : 2단의 좌측 랙크
124a,124b : 2단의 우측 랙크
126a,126b : 좌측 및 우측 완철
128a,128b : 좌측 및 우측 애자결합부
130a,130b : 좌측 및 우측 애자
140a : 2단의 좌측 랙크연결브래킷
140b : 2단의 우측 랙크연결브래킷
142a : 제1 연결부재
142b : 제2 연결부재
144 : 힌지축
146 : 체결부재120a, 120b: 2-stage rack band
122a, 122b: 2nd stage left rack
124a, 124b: 2nd stage right rack
126a, 126b: left and right arms
128a, 128b: left and right insulator coupling parts
130a, 130b: left and right insulators
140a : 2nd level left rack connection bracket
140b : 2nd right rack connection bracket
142a: first connecting member
142b: second connecting member
144: hinge shaft
146: fastening member

Claims (4)

상하 일정 간격을 두고 각각 3층씩 포개어져 전주의 일측에 상하 일정 간격을 두고 각각 체결되는 2단의 랙크밴드(120a)(120b)와,
상기 2단의 랙크밴드(120a)(120b)의 외주 좌측과 우측에 대향되도록 수평 직선으로 각각 고정되는 2단의 좌측 랙크(122a)(122b) 및 2단의 우측 랙크(124a)(124b)와,
상기 2단의 좌측 랙크(122a)(122b) 및 2단의 우측 랙크(124a)(124b)의 끝단에 각각 수직으로 고정되는 좌측 및 우측 완철(126a)(126b)과,
상기 좌측 및 우측 완철(126a)(126b)의 일측에 상하 일정 간격을 두고 좌측 및 우측 애자결합부(128a)(128b)를 매개로 각각 설치되어 전력선 및 중성선이 각각 바인딩되도록 연결하는 다수의 좌측 및 우측 애자(130a)(130b)를 포함하는 것을 특징으로 하는 2단 저압선로 D형 랙크 구조체.Two-stage rack bands (120a) and (120b), which are respectively superimposed on one side of the pole at regular intervals up and down and are fastened at regular intervals up and down,
The two-stage left rack (122a) (122b) and the two-stage right rack (124a) (124b) respectively fixed in a horizontal straight line so as to face the left and right sides of the outer periphery of the two-stage rack band (120a) (120b) and ,
Left and right arms 126a and 126b fixed vertically to the ends of the two-stage left racks 122a and 122b and the two-stage right racks 124a and 124b, respectively;
A plurality of left and right insulator coupling portions 128a and 128b respectively installed at regular intervals up and down on one side of the left and right arms 126a and 126b to connect a power line and a neutral wire to each other are bound and Two-stage low-voltage line D-type rack structure, characterized in that it comprises the right insulator (130a, 130b). 청구항 1에 있어서,
상기 2단의 랙크밴드(120a)(120b)는,
외주 좌측단이 2단의 좌측 랙크연결브래킷(140a)의 일측단과 각각 연결되도록 볼트와 너트로 이루어진 제1 연결부재(142a)에 의해 각각 체결되고,
외주 우측단이 2단의 우측 랙크연결브래킷(140b)의 일측단과 각각 연결되도록 볼트와 너트로 이루어진 제2 연결부재(142b)에 의해 각각 체결된 것을 특징으로 하는 2단 저압선로 D형 랙크 구조체.The method according to claim 1,
The two-stage rack band (120a, 120b) is,
The outer peripheral left end is each fastened by the first connecting member 142a made of a bolt and a nut so that the left end is connected to one end of the two-stage left rack connection bracket 140a, respectively,
A two-stage low-voltage line D-type rack structure, characterized in that the outer right end is respectively fastened by a second connecting member (142b) made of a bolt and a nut so that the outer right end is connected to one end of the two-stage right rack connection bracket (140b), respectively. 청구항 2에 있어서,
상기 2단의 랙크밴드(120a)(120b)는 좌우 분리되는 반원 형상으로 각각 형성된 것으로서,
좌측 및 우측 반원 형상의 일측 끝단이 상하 포개어져 힌지축(144)에 의해 각각 회전 가능하게 결합되고,
좌측 및 우측 반원 형상의 타측 끝단이 상기 2단의 랙크밴드(120a)(120b)가 전주 둘레에 결합될 때 볼트와 너트로 이루어진 체결부재(146)에 의해 각각 체결되는 것을 특징으로 하는 2단 저압선로 D형 랙크 구조체.3. The method according to claim 2,
The two-stage rack bands (120a, 120b) are respectively formed in a semicircular shape separated from left and right,
One end of the left and right semicircular shapes are overlapped up and down and rotatably coupled to each other by a hinge shaft 144,
Two-stage low-pressure line, characterized in that the other ends of the left and right semicircular shapes are respectively fastened by the fastening members 146 made of bolts and nuts when the two-stage rack bands 120a and 120b are coupled around the electric pole. Low D-type rack structure. 청구항 1에 있어서,
상기 2단의 좌측 랙크(122a)(122b)와 2단의 우측 랙크(124a)(124b)는 길이가 다르거나 또는 길이가 같은 것을 특징으로 하는 2단 저압선로 D형 랙크 구조체.The method according to claim 1,
The two-stage left rack (122a) (122b) and the two-stage right rack (124a, 124b) are two-stage low-voltage line D-type rack structure, characterized in that the length is different or the same length.
KR1020200076427A 2020-06-23 2020-06-23 Structure for D-Type Rack of Two-Stage Low Voltage Cable KR20210158093A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020200076427A KR20210158093A (en) 2020-06-23 2020-06-23 Structure for D-Type Rack of Two-Stage Low Voltage Cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020200076427A KR20210158093A (en) 2020-06-23 2020-06-23 Structure for D-Type Rack of Two-Stage Low Voltage Cable

Publications (1)

Publication Number Publication Date
KR20210158093A true KR20210158093A (en) 2021-12-30

Family

ID=79178741

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020200076427A KR20210158093A (en) 2020-06-23 2020-06-23 Structure for D-Type Rack of Two-Stage Low Voltage Cable

Country Status (1)

Country Link
KR (1) KR20210158093A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20240018773A (en) 2022-08-03 2024-02-14 한국전력공사 D-type Rack Structure

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101923903B1 (en) 2017-05-30 2018-11-30 (주)한백 Opnw replacement method for overhead line

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101923903B1 (en) 2017-05-30 2018-11-30 (주)한백 Opnw replacement method for overhead line

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20240018773A (en) 2022-08-03 2024-02-14 한국전력공사 D-type Rack Structure

Similar Documents

Publication Publication Date Title
US7701688B2 (en) Structure for installing lightning arrester for electric pole
KR101343520B1 (en) Support insulator for power distribution line
CN105102090A (en) Method for constructing power distribution line by using combined overhead ground wire and extra high voltage neutral line having separated installation structure for extra high voltage neutral line and low voltage neutral line
KR20210158093A (en) Structure for D-Type Rack of Two-Stage Low Voltage Cable
CN104242208A (en) Double-circuit cable terminal steel pipe pole for overhead transmission line
KR101124468B1 (en) Rack band
KR100709097B1 (en) Cable supporting apparatus of electric power distribution pole
JP2002199563A (en) Method for branching overhead power transmission line
CN204089116U (en) A kind of overhead transmission line double back cable terminal steel pipe pole
KR200462373Y1 (en) Extended arm for lightening arrester on single type steel crossarm
KR200204895Y1 (en) Bindless line-post cover for electristatic prevention
KR100388079B1 (en) Single cross-arm on the electric-pole
KR20220168016A (en) A electric assemble t3erminal block
KR101143543B1 (en) Supporting band for one way long-post crossarm
KR200219450Y1 (en) a arm-tie rack band for electric pole
US10247331B1 (en) Multi-functional electrical service and device supporting assembly
JP2005039938A (en) Transformer chamber facility
KR100454579B1 (en) Strip Structure for Low Voltage Service Wire
KR100376107B1 (en) Structure of guidance-constructing magpie nest
CN217934247U (en) Drainage fitting assembly with load bypass operation
KR100828565B1 (en) A fixing apparatus of a line building in the air
CN216250019U (en) Combined copper bar with long service life
KR20240018863A (en) Structure for Rack of High Voltage Cable
CN217427624U (en) Transmission line T connects shaft tower and T and connects single system that returns of cable and overhead line
KR200334386Y1 (en) Bolt for combining rack with electric pole

Legal Events

Date Code Title Description
E902 Notification of reason for refusal
AMND Amendment
X091 Application refused [patent]
AMND Amendment
X601 Decision of rejection after re-examination