KR102229133B1 - Manufacturing method of s type ground sleeve - Google Patents

Manufacturing method of s type ground sleeve Download PDF

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KR102229133B1
KR102229133B1 KR1020190121936A KR20190121936A KR102229133B1 KR 102229133 B1 KR102229133 B1 KR 102229133B1 KR 1020190121936 A KR1020190121936 A KR 1020190121936A KR 20190121936 A KR20190121936 A KR 20190121936A KR 102229133 B1 KR102229133 B1 KR 102229133B1
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South Korea
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shaped
sleeve
manufacturing
bare copper
shaped sleeve
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KR1020190121936A
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Korean (ko)
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이재필
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코스탈 주식회사
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P13/00—Making metal objects by operations essentially involving machining but not covered by a single other subclass
    • B23P13/02—Making metal objects by operations essentially involving machining but not covered by a single other subclass in which only the machining operations are important
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/01—Extruding metal; Impact extrusion starting from material of particular form or shape, e.g. mechanically pre-treated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C25/00—Profiling tools for metal extruding
    • B21C25/08—Dies or mandrels with section variable during extruding, e.g. for making tapered work; Controlling variation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D3/00—Planing or slotting machines cutting by relative movement of the tool and workpiece in a vertical or inclined straight line
    • B23D3/02—Planing or slotting machines cutting by relative movement of the tool and workpiece in a vertical or inclined straight line for cutting grooves
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/20—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping using a crimping sleeve

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)

Abstract

The present invention aims to provide a manufacturing method of an S-shaped grounding sleeve for accessing bare copper wires crossing in a transversal direction and a longitudinal direction, which is able to manufacture the S-shaped sleeve by putting C-shaped sleeves, which are pressed/drawn through a mold and are cut, to cross each other at right angles and welding the C-shaped sleeves, and to remarkably simplify the manufacturing man hours. To this end, according to the present invention, the manufacturing method of the S-shaped grounding sleeve for accessing bare copper wires comprises: a step of pressing/drawing metal materials to have a hollow inside in a longitudinal direction through a mold, to have a C-shaped form whose one side is opened, and to have a flat floor surface; a step of forming a C-shaped sleeve whose one side is opened and whose floor surface is flat by cutting the pressed/drawn metal materials in a longitudinal direction into a preset length; and a step of putting a floor surface of another C-shaped sleeve which is cut toward a floor surface of the C-shaped sleeve to cross each other for one opened side to be at right angles, welding and fixing the floor surface, and manufacturing the S-shaped sleeve.

Description

나동선 접속용 S형 접지 슬리브 제조방법{MANUFACTURING METHOD OF S TYPE GROUND SLEEVE}Manufacturing method of S-type grounding sleeve for bare copper wire connection{MANUFACTURING METHOD OF S TYPE GROUND SLEEVE}

본 발명은 나동선 접속용 S형 접지 슬리브 제조방법에 관한 것으로, 더욱 상세하게는 변전소나 대형 건물 시공 시 지(地)중에 나동선을 그물모양으로 접속하고, 저감제를 도포하여 대형 접지전극을 구성하는 공사를 메쉬 접지공사라하며, 여기서 나동선 교차부분에 압착 연결되는 S형 슬리브의 제조방법에 관한 것이다.The present invention relates to a method of manufacturing an S-type grounding sleeve for connecting a bare copper wire, and more particularly, when a substation or a large building is constructed, a bare copper wire is connected in a net shape and a reduction agent is applied to form a large ground electrode. The construction is called a mesh ground construction, and here, it relates to a method of manufacturing an S-shaped sleeve that is compressed and connected to the intersection of the bare copper wire.

일반적으로, 접지란 대지를 전기회로의 일부처럼 이용할 수 있도록 각종 전기장치를 대지에 연결하여 대지와 동일한 전위로 유지시키는 것을 이르는 바, 용도에 따라 분류하면 계통접지, 기기접지, 뇌해방지용 접지, 정전기 방지용 접지, 지락검출용 접지, 등전위화용 접지, 노이즈방지용 접지, 기능용 접지 등으로 나눌 수 있다. In general, grounding refers to connecting various electric devices to the ground so that the ground can be used as part of an electric circuit and maintaining the same potential as the ground. It can be divided into ground for prevention, ground for ground fault detection, ground for equipotentialization, ground for noise prevention, and ground for function.

이중에서, 계통접지는 저압 배전계통에서 변압기의 2차측을 대지와 접속하여 1차측과 2차측의 혼촉으로 인해 발생하는 피해를 방지하기 위한 것이며, 기기접지는 전도체로 되어 있는 전기장치의 케이스 등 외부몸체에 누전이 발생한 때 혼촉에 의한 감전사고를 경감하기 위한 것이다. 또, 뇌해방지용 접지는 직격뢰 즉, 벼락이나 고압전 력선 등에 유도되는 유도뢰로 인한 뇌전류를 대지를 통해 방전하기 위한 것으로, 다시 선로에 대한 접지, 건물에 대한 접지, 그리고 서지억제기에 대한 접지로 나누어 볼 수 있다. 여기에서, 선로 및 건물에 대한 접지는 선로나 건물에 설치한 피뢰기나 피뢰침으로 벼락을 받아 신속히 대지로 방전함으로써 선로나 건물을 벼락으로부터 보호하는 것이며, 서지억제기의 접지는 전력선이나 통신선에 유도되는 뇌서지를 대지에 방전하는 것을 말하는데, 이때 서지억제기는 단자와 대지 또는 단자와 단자 사이에 걸리는 전압이 일정 이상이 되면 동작하여 전압을 낮추는 장치이다. 이와 같이, 계통접지나 기기접지 또는 뇌해방지용 접지는 누전이나 벼락 등으로 인해 전기장치나 선로 또는 건물에 걸리는 고압 전류를 대지 중에 방전함으로써 전기장치나 건물 등에 걸리는 전류와의 혼촉이나 감전으로 인해 발생하는 고장이나 사고를 미연에 방지하기 위한 것으로, 전기장치나 선로에 연결된 접속부 또는 대기중으로 노출된 돌침부, 이 돌침부에 연결된 인하도선, 그리고 지중에 매설되는 접지전극의 세 부분으로 이루어진다. 이중에서 접지전극은 다시 봉상전극, 선상전극, 판상전극, 망상전극 등 별도로 매설되는 전극과 콘크리트 철골 이나 수도관 등 기존의 지하구조물을 이용한 전극으로 대별할 수 있는 바, 봉상 또는 선상 전극은 전압이 걸렸을 때 방전이 효과적으로 이루어지지 않기 때문에 방전 속도가 지연되고, 따라서 자체 수명이 단축되거나 건물 등에 대한 보호가 충분하게 이루어지지 못하는 단점이 있다. 또, 판상전극은 매설범위가 넓기 때문에, 동판 등 전극을 제작하는 비용이 크게 증대되는 단점이 있다. 한편, 이러한 단점을 극복하기 위해 제안된 망상전극은 여러 가닥의 나동선을 그물 모양으로 연결한 것으로, 넓은 매설범위를 확보하면서도 설치비용을 대폭적으로 줄일 수 있으며, 서로 교차하고 있는 여러 가닥의 나동선을 교차지점에서 슬리브 압착 또는 용접에 의해 접합하도록 되어 있다. Among these, the system ground is to prevent damage caused by the contact between the primary and secondary sides by connecting the secondary side of the transformer to the ground in the low-voltage distribution system, and the device ground is to prevent damage caused by the contact between the primary side and the secondary side. This is to reduce electric shock accidents caused by mixed contact when a short circuit occurs in the body. In addition, the grounding for lightning protection is to discharge through the ground the lightning current caused by direct lightning, that is, induced lightning induced by lightning strikes or high-voltage power lines, and again to the ground for the line, the ground for the building, and the ground for the surge suppressor. You can share. Here, the grounding of the line or building is to protect the line or building from lightning by receiving a lightning strike with a lightning arrester or lightning rod installed on the line or building, and quickly discharging it to the ground, and the grounding of the surge suppressor is induced to the power line or communication line. It refers to discharging a lightning surge to the ground. At this time, the surge suppressor is a device that operates when the voltage applied between the terminal and the ground or between the terminal and the terminal is more than a certain level and lowers the voltage. In this way, system grounding, equipment grounding, or lightning protection grounding is caused by contact with electric devices or electric currents or electric shock by discharging high-voltage current applied to electric devices, lines, or buildings due to a short circuit or lightning strike. This is to prevent breakdowns or accidents in advance, and consists of three parts: a connection part connected to an electric device or a line, or a protrusion exposed to the atmosphere, a down-conductor connected to the protrusion, and a ground electrode buried in the ground. Of these, the ground electrode can be roughly divided into electrodes that are separately buried such as rod-shaped electrodes, wire-shaped electrodes, plate-shaped electrodes, and mesh electrodes, and electrodes that use existing underground structures such as concrete steel frames or water pipes. When the discharge is not effectively performed, the discharge rate is delayed, and thus, there is a disadvantage in that the self-life is shortened or the building is not sufficiently protected. In addition, since the plate-shaped electrode has a wide buried range, there is a disadvantage in that the cost of manufacturing an electrode such as a copper plate is greatly increased. On the other hand, the proposed network electrode to overcome these drawbacks is that several strands of bare copper wires are connected in a net shape, and while securing a wide buried range, installation costs can be drastically reduced. It is intended to be joined by sleeve pressing or welding at the point.

이와 같이, 교차하는 나동선을 접합하여 망상전극을 설치하는 데는 다양한 방식이 존재하는 바, 그 한 예로서 나동선을 접합하는 방식으로 슬리브를 이용하는 압착방식이 개발된 바 있는데, 이 방식은 사용되는 슬리브의 형태에 따라 다시 세분화될 수 있는데, 그 한 예로서, 도 1에 도시된 S형 슬리브(10)를 들 수 있다. 이 슬리브(10)는 도시된 것처럼, 단면 형상이 S형 모양으로 제작되어 있다.In this way, there are various ways to install a network electrode by joining intersecting bare copper wires. As an example, a compression method using a sleeve has been developed as a method of joining the bare copper wires. It may be further subdivided according to the shape, as an example of which may be the S-shaped sleeve 10 shown in FIG. As shown, the sleeve 10 has an S-shaped cross-sectional shape.

따라서, S형 슬리브(10)에 의해 나동선을 접합할 때, 교차되는 횡방향 나동선(20)에 상단슬리브(12)에 물리고, 종방향의 나동선(20)에는 하단슬리브(14)에 물려서 고정하도록 되어 있으며, 이에 따라 복수의 나동선(20)이 규칙적으로 배열된 망상전극을 만들 수 있게 된다. Therefore, when joining the bare copper wires by the S-shaped sleeve 10, the upper sleeve 12 is engaged with the crossing transverse bare copper wires 20, and the longitudinal bare copper wires 20 are bitten and fixed by the lower sleeve 14. In this way, it is possible to make a network electrode in which a plurality of bare copper wires 20 are regularly arranged.

그런데, 이와 같이 S형 슬리브(10)는 도 2에서와 같이 제작 과정을 보면, 길이 방향으로 이어지는 원형의 금속재를 압출/인발하고, 이어서 적당한 크기로 절단을 하고, 틀을 잡기 위하여 단조를 하며, 단조 후에는 상부측에 1차 홀가공을 하고, 1차 홀가공과는 직각 방향으로 2차 홀가공을 한 후, 개구부 가공이 이루어지게 된다.By the way, in the manufacturing process of the S-shaped sleeve 10 as shown in FIG. 2, the circular metal material that is connected in the longitudinal direction is extruded/pulled, then cut to an appropriate size, and forged to hold the frame, After forging, the first hole is processed on the upper side, and after the second hole is processed in a direction perpendicular to the first hole processing, the opening is processed.

상기와 같이, 그 제작 과정이 복잡하여 가공에 많은 시간이 소요되고, 이에 생산 단가가 높아지는 문제점이 있었다.As described above, the manufacturing process is complicated, so it takes a lot of time to process, and thus, there is a problem in that the production cost is increased.

대한민국 등록번호 제10-0866027호Republic of Korea registration number 10-0866027 대한민국 실용신안공개번호 제20-2017-0002708호Republic of Korea Utility Model Publication No. 20-2017-0002708

본 발명은 상기와 같은 종래의 문제점을 해결하기 위해 안출된 것으로서, 횡방향 및 종방향으로 교차하는 나동선을 접합하기 위한 S형 슬리브의 제조방법에 있어서, 금형을 통해 압출/인발되고 절단된 C자 슬리브를 상호 직각 방향으로 엇갈리게 맞대고 용접시켜서 완성된 S형 슬리브를 제조함으로써, 제조 공수를 획기적으로 간소화시킨 나동선 접속용 S형 접지 슬리브 제조방법을 제공하는데 그 목적이 있는 것이다.The present invention was conceived to solve the conventional problems as described above, in a method of manufacturing an S-shaped sleeve for joining bare copper wires intersecting in the transverse and longitudinal directions, the C-shaped extruded/drawn through a mold and cut It is an object of the present invention to provide a method of manufacturing an S-type grounding sleeve for bare copper wire connection that dramatically simplifies the manufacturing man-hours by manufacturing a completed S-type sleeve by staggering and welding the sleeves in a mutually perpendicular direction.

상기한 기술적 과제를 달성하기 위한 기술적 수단으로서, 금형을 통해 길이 방향을 따라 중공의 내부를 가지며 일측이 개방되는 C자형에 바닥면은 평편한 형태를 가지도록 금속소재를 압출/인발하는 단계와, 상기 압출/인발된 금속소재를 길이 방향을 따라 기설정 길이로 절단하여 일측이 개방되고 바닥면은 평편한 상태의 C자 슬리브를 형성하는 단계와, 상기 C자 슬리브의 바닥면을 향하여 절단된 다른 하나의 상기 C자 슬리브의 바닥면을 상호 개방된 일측이 직각 방향을 향하도록 맞댄 상태에서 상기 바닥면을 용접으로 고정하여 S형 슬리브를 제조하는 단계를 포함하는 것이다.As a technical means for achieving the above-described technical problem, the step of extruding/drawing a metal material so that the bottom surface has a flat shape in a C shape having a hollow interior along the length direction through a mold and one side is open, The extruded/drawn metal material is cut to a predetermined length along the longitudinal direction to form a C-shaped sleeve having one side open and a flat bottom surface, and another cut toward the bottom surface of the C-shaped sleeve. It includes the step of manufacturing an S-shaped sleeve by fixing the bottom surface by welding in a state where the bottom surface of the one C-shaped sleeve is butted so that the one side open to each other faces a right angle direction.

본 발명의 실시예에 따르면, 상기 금속소재를 압출/인발하는 단계에서, 다이(Die)금형 상에 길이 방향으로 V자 돌기를 형성시켜, 압출/인발되는 상기 금속소재 중 상기 C자의 외주연을 따라 길이 방향으로 V자홈을 형성시킬 수 있다.According to an embodiment of the present invention, in the step of extruding/drawing the metal material, a V-shaped protrusion is formed on a die mold in the longitudinal direction, so that the outer periphery of the C-shape among the metal materials to be extruded/drawn is formed. Accordingly, a V-shaped groove can be formed in the longitudinal direction.

본 발명의 실시예에 따르면, 상기 V자 돌기가 다수개 형성되어 상기 V자홈도 상기 C자 외주연을 따라 다수개가 형성될 수 있다.According to an embodiment of the present invention, a plurality of V-shaped protrusions may be formed so that a plurality of V-shaped grooves may be formed along the C-shaped outer periphery.

본 발명의 실시예에 따르면, 상기 C자 슬리브를 형성하는 단계에서 상기 C자 슬리브의 상기 바닥면을 평면화 하기 위한 절삭 공정이 더 포함될 수 있다.According to an embodiment of the present invention, in the step of forming the C-shaped sleeve, a cutting process for flattening the bottom surface of the C-shaped sleeve may be further included.

본 발명에 의한 나동선 접속용 S형 접지 슬리브 제조방법에서는, 제조공정을 대폭 간소화 시켜서, 제조 시간과 공수를 줄여 생산 효율성이 개선되는 효과가 있다.In the manufacturing method of the S-type grounding sleeve for connecting a bare copper wire according to the present invention, the manufacturing process is greatly simplified, thereby reducing manufacturing time and man-hours, thereby improving production efficiency.

도 1은 일반적인 S형 접지 슬리브의 사시도이고,
도 2는 도 1에서 예시된 S형 접지 슬리브의 제조 공정을 보여주는 도면이고,
도 3은 본 발명의 실시예에 따른 나동선 접속용 S형 접지 슬리브 제조방법을 보여주는 흐름도이고,
도 4는 본 발명의 실시예에 따른 나동선 접속용 S형 접지 슬리브 제조 과정을 보여주는 도면이다.1 is a perspective view of a general S-type grounding sleeve,
2 is a view showing a manufacturing process of the S-type grounding sleeve illustrated in FIG. 1,
3 is a flowchart showing a method of manufacturing an S-type grounding sleeve for connecting a bare copper wire according to an embodiment of the present invention,
4 is a view showing a manufacturing process of an S-type grounding sleeve for connecting a bare copper wire according to an embodiment of the present invention.

아래에서는 첨부한 도면을 참조하여 본 발명이 속하는 기술 분야에서 통상의 지식을 가진 자가 용이하게 실시할 수 있도록 본 발명의 실시예를 상세히 설명한다. 그러나 본 발명은 여러 가지 상이한 형태로 구현될 수 있으며 여기에서 설명하는 실시예에 한정되지 않는다. 그리고 도면에서 본 발명을 명확하게 설명하기 위해서 설명과 관계없는 부분은 생략하였으며, 명세서 전체를 통하여 유사한 부분에 대해서는 유사한 도면 부호를 붙였다. Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those of ordinary skill in the art can easily implement the present invention. However, the present invention may be implemented in various different forms and is not limited to the embodiments described herein. In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and similar reference numerals are attached to similar parts throughout the specification.

본 발명 명세서 전체에서, 어떤 부분이 어떤 구성요소를 "포함" 한다고 할 때, 이는 특별히 반대되는 기재가 없는 한 다른 구성요소를 제외하는 것이 아니라 다른 구성 요소를 더 포함할 수 있는 것을 의미한다.In the entire specification of the present invention, when a certain part "includes" a certain component, it means that other components may be further included, rather than excluding other components, unless specifically stated to the contrary.

여기서 도 3은 본 발명의 실시예에 따른 나동선 접속용 S형 접지 슬리브 제조방법을 보여주는 흐름도이고, 도 4는 본 발명의 실시예에 따른 나동선 접속용 S형 접지 슬리브 제조 과정을 보여주는 도면이다.Here, FIG. 3 is a flowchart showing a method of manufacturing an S-type grounding sleeve for connecting a bare copper wire according to an embodiment of the present invention, and FIG. 4 is a view showing a manufacturing process of an S-type grounding sleeve for connecting a bare copper wire according to an embodiment of the present invention.

도 3에 도시된 바와 같이 본 발명에 따르면, 금형을 통해 길이 방향을 따라 중공의 내부를 가지며 일측이 개방되는 C자형에 바닥면은 평편한 형태를 가지도록 금속소재를 압출/인발하는 단계(S100)와, 상기 압출/인발된 금속소재를 길이 방향을 따라 기설정 길이로 절단하여 일측이 개방되고 바닥면은 평편한 상태의 C자 슬리브를 형성하는 단계(S110)와, 상기 C자 슬리브의 바닥면을 향하여 절단된 다른 하나의 상기 C자 슬리브의 바닥면을 상호 개방된 일측이 직각 방향을 향하도록 맞댄 상태에서 상기 바닥면을 용접으로 고정하여 S형 슬리브를 제조하는 단계(S120)를 포함하는 것이다.According to the present invention, as shown in FIG. 3, the step of extruding/drawing a metal material so that the bottom surface has a flat shape in a C shape having a hollow interior along the length direction through the mold and one side is open (S100 ), forming a C-shaped sleeve having one side open and a flat bottom surface by cutting the extruded/drawn metal material to a preset length along the longitudinal direction (S110), and the bottom of the C-shaped sleeve Including the step (S120) of manufacturing an S-shaped sleeve by fixing the bottom surface by welding in a state in which the bottom surface of the other C-shaped sleeve cut toward the surface is abutted so that the mutually open side faces a right angle direction (S120). will be.

먼저, 단계(S100)에서 금속소재(100)가 압출/인발되는 것이다.First, the metal material 100 is extruded/drawn in step S100.

덧붙여, 압출과 인발은 금속이나 합금으로 연속 및 개별 제품을 가공하는 방법으로, 단면 형상을 변화시키기 위해 소재를 다이로 밀어 넣거나(압출) 잡아당기는(인발) 공정으로 온도에 따라 열간, 냉간 등 다양한 공정을 통해 가능할 수 있다.In addition, extrusion and drawing are methods of processing continuous and individual products with metals or alloys.It is a process of pushing (extrusion) or pulling (drawing) a material into a die to change the cross-sectional shape. It may be possible through the process.

그리고 압출공정으로 직접압출, 간접압출, 정수압압출 공정 유형도 가능하고, 압출비 R의 범위는 10~100일 수 있으며, 금속소재(100)의 길이는 보통 7.5M이하가 바람직하다.In addition, direct extrusion, indirect extrusion, and hydrostatic extrusion process types are also possible as an extrusion process, and the range of the extrusion ratio R may be 10 to 100, and the length of the metal material 100 is usually 7.5M or less.

한편, 압출/인발 공정에 사용되는 컨테이너와 컨네이너의 전단에 설치되는 다이(Die:미도시) 금형상에 길이 방향으로 V자 돌기를 다수개 형성시켜서, 압출/인발되는 상기 금속소재(100) 중 C자의 외주연을 따라 길이 방향으로 V자홈(112)을 다수개 형성시킬 수 있다.Meanwhile, the metal material 100 that is extruded/drawn by forming a plurality of V-shaped projections in the longitudinal direction on a die (not shown) installed at the front end of the container and the container used in the extrusion/pulling process. A plurality of V-shaped grooves 112 may be formed in the longitudinal direction along the outer periphery of the C-shape.

그리고 단계(S110)에서는 도 4에서와 같이, 압출/인발된 금속소재(100)를 길이 방향을 따라 기설정 길이로 절단함으로써, 일측이 개방되고 바닥면(111)이 평편한 상태의 C자 슬리브(110)로 재단할 수 있다.And in step (S110), as shown in Figure 4, by cutting the extruded/drawn metal material 100 to a predetermined length along the length direction, one side is opened and the bottom surface 111 is a C-shaped sleeve in a flat state. It can be cut to (110).

여기서 C자 슬리브(110의 평편한 바닥면(111)을 위하여 평면화 하기 위한 절삭 공정이 더 포함될 수 있다.Here, a cutting process for flattening the flat bottom surface 111 of the C-shaped sleeve 110 may be further included.

즉, 상호 접하게 되는 바닥면(111)을 평탄화 시킴으로써, 용접이 용이해지고, 고정력이 증가될 수 있다. That is, by flattening the bottom surfaces 111 that are in contact with each other, welding becomes easy and fixing force can be increased.

이어서 절단된 C자 슬리브(110)를 S형 슬리브(200) 완성시키기 위하여 C자 슬리브(110)의 바닥면(111)을 향하여 절단된 다른 하나의 C자 슬리브(110)의 바닥면(111)을 상호 개방된 일측이 직각 방향을 향하도록 맞댄 상태에서 상기 바닥면(111)을 용접으로 고정하여 S형 슬리브(200)를 제조하게 된다. 단계(S120)Subsequently, the bottom surface 111 of the other C-shaped sleeve 110 cut toward the bottom surface 111 of the C-shaped sleeve 110 in order to complete the S-shaped sleeve 200 with the cut C-shaped sleeve 110 The bottom surface 111 is fixed by welding in a state in which one side that is open to each other faces a right angle to manufacture the S-shaped sleeve 200. Step (S120)

바닥면(111)의 용접 전에는 면가공을 실시하는 것이 바람직하다.It is preferable to perform surface processing before welding the bottom surface 111.

상기와 같이 완성된 S형 슬리브(200)는 전체적인 단면 형상이 S형 모양을 가지게 되며, S형 슬리브(200)에 의해 나동선을 접합할 때, 종래도면의 도 1을 다시 참고하면, 교차되는 횡방향 나동선에 상단의 C자 슬리브(110)에 물리고, 종방향의 나동선에는 하단의 C자 슬리브(110)에 물려서 고정하도록 되어 있으며, 이에 따라 복수의 나동선이 규칙적으로 배열된 망상전극을 만들 수 있게 된다. The S-shaped sleeve 200 completed as described above has an S-shaped overall cross-sectional shape, and when the bare copper wires are joined by the S-shaped sleeve 200, referring again to FIG. 1 of the conventional drawing, the cross-section The directional spiral wire is bitten by the C-shaped sleeve 110 at the top, and the longitudinal spiral wire is fixed by being bitten by the C-shaped sleeve 110 at the bottom, thereby making it possible to create a network electrode in which a plurality of spiral wires are regularly arranged. do.

여기서 S형 슬리브(200)의 C자 외주연에 형성된 다수개의 V자홈(112)은 압착 방향성을 유도하게 되며, 이에 나동선과의 삽입 시 어느 정도 젖혀 졌다가 삽입이 완료되면 압착되어 나동선과의 압착력을 한층 높일 수 있다.Here, the plurality of V-shaped grooves 112 formed on the C-shaped outer periphery of the S-shaped sleeve 200 induces the crimping direction, and when inserted into the bare copper wire, they are bent to some extent and then squeezed when the insertion is completed, and the compressive force with the bare copper wire. Can be further enhanced.

상술한 바에 따르면, 나동선 접속용 S형 접지 슬리브 제조방법에 의하여 제조공정이 대폭 간소화되어, 제조 시간과 공수를 줄여 생산 효율성이 개선될 수 있다.According to the above, the manufacturing process is greatly simplified by the manufacturing method of the S-type grounding sleeve for connecting the bare copper wire, thereby reducing manufacturing time and man-hours, thereby improving production efficiency.

이상에서 설명한 바와 같은 본 발명은 상기한 실시예에 한정되지 아니하므로 청구범위에서 청구하는 본 발명의 요지를 벗어나지 않는 범위 안에서 변경 가능한 것이며, 그와 같은 변경은 기재된 청구범위 내에 있게 된다.Since the present invention as described above is not limited to the above-described embodiments, it is possible to change it within the scope of the scope of the present invention claimed in the claims, and such changes will fall within the scope of the described claims.

100 : 금속소재 110 : C자 슬리브
111 : 바닥면 112 : V자홈
200 : S형 슬리브100: metal material 110: C-shaped sleeve
111: bottom surface 112: V-shaped groove
200: S-type sleeve

Claims (4)

금형을 통해 길이 방향을 따라 중공의 내부를 가지며 일측이 개방되는 C자형에 바닥면은 평편한 형태를 가지도록 금속소재를 압출/인발하는 단계;
상기 압출/인발된 금속소재를 길이 방향을 따라 기설정 길이로 절단하여 일측이 개방되고 바닥면은 평편한 상태의 C자 슬리브를 형성하는 단계;
상기 C자 슬리브의 바닥면을 향하여 절단된 다른 하나의 상기 C자 슬리브의 바닥면을 상호 개방된 일측이 직각 방향을 향하도록 맞댄 상태에서 상기 바닥면을 용접으로 고정하여 S형 슬리브를 제조하는 단계;
를 포함하는 것을 특징으로 하는 나동선 접속용 S형 접지 슬리브 제조방법.
Extruding/drawing a metal material so that the bottom surface has a flat shape in a C shape having a hollow interior along the length direction through the mold and one side is open;
Cutting the extruded/drawn metal material to a predetermined length along the longitudinal direction to form a C-shaped sleeve having one side open and a flat bottom surface;
Manufacturing an S-shaped sleeve by fixing the bottom surface by welding while the bottom surface of the other C-shaped sleeve cut toward the bottom surface of the C-shaped sleeve is abutted so that the mutually open side faces a right angle direction ;
S-type grounding sleeve manufacturing method for connecting a bare copper wire comprising a.
 제1항에 있어서,
상기 금속소재를 압출/인발하는 단계에서,
다이(Die)금형 상에 길이 방향으로 V자 돌기를 형성시켜, 압출/인발되는 상기 금속소재 중 상기 C자의 외주연을 따라 길이 방향으로 V자홈을 형성시키는 것을 특징으로 하는 나동선 접속용 S형 접지 슬리브 제조방법.
The method of claim 1,
In the step of extruding/drawing the metal material,
S-shaped grounding for connecting a bare copper wire, characterized in that a V-shaped protrusion is formed on a die mold in the longitudinal direction, and a V-shaped groove is formed along the outer periphery of the C-shape among the metal materials that are extruded/drawn. Sleeve manufacturing method.
 제2항에 있어서,
상기 V자 돌기가 다수개 형성되어 상기 V자홈도 상기 C자 외주연을 따라 다수개가 형성되는 것을 특징으로 하는 나동선 접속용 S형 접지 슬리브 제조방법.
The method of claim 2,
The method of manufacturing an S-type grounding sleeve for connecting a bare copper wire, characterized in that a plurality of the V-shaped protrusions are formed so that a plurality of the V-shaped grooves are also formed along the C-shaped outer periphery.
 제1항에 있어서,
상기 C자 슬리브를 형성하는 단계에서,
상기 C자 슬리브의 상기 바닥면을 평면화 하기 위한 절삭 공정이 더 포함될 수 있는 것을 특징으로 하는 나동선 접속용 S형 접지 슬리브 제조방법.The method of claim 1,
In the step of forming the C-shaped sleeve,
A method of manufacturing an S-type grounding sleeve for connecting a bare copper wire, characterized in that a cutting process for flattening the bottom surface of the C-shaped sleeve may be further included.
KR1020190121936A 2019-10-02 2019-10-02 Manufacturing method of s type ground sleeve KR102229133B1 (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05347163A (en) * 1992-06-12 1993-12-27 Shintaro Oba Compression sleeve and die for wire connection
KR200188321Y1 (en) * 1999-12-31 2000-07-15 주식회사동남물산 Sleeve for ground wire
KR100866027B1 (en) 2007-09-27 2008-10-30 주식회사 루벤스 Pipe-shapped cross type sleeve of a mesh type grounding electrode for joining bare copper wires
KR101514785B1 (en) * 2014-06-19 2015-05-06 박미란 Branch sleeve for power and ground line
KR20170002708U (en) 2016-01-20 2017-07-28 주식회사일오삼 Pipe-shapped cross type sleeve of a mesh type for joining bare copper wires

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05347163A (en) * 1992-06-12 1993-12-27 Shintaro Oba Compression sleeve and die for wire connection
KR200188321Y1 (en) * 1999-12-31 2000-07-15 주식회사동남물산 Sleeve for ground wire
KR100866027B1 (en) 2007-09-27 2008-10-30 주식회사 루벤스 Pipe-shapped cross type sleeve of a mesh type grounding electrode for joining bare copper wires
KR101514785B1 (en) * 2014-06-19 2015-05-06 박미란 Branch sleeve for power and ground line
KR20170002708U (en) 2016-01-20 2017-07-28 주식회사일오삼 Pipe-shapped cross type sleeve of a mesh type for joining bare copper wires

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