KR100866116B1 - Conduit piercing mandrill with cleaning function - Google Patents

Conduit piercing mandrill with cleaning function Download PDF

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Publication number
KR100866116B1
KR100866116B1 KR1020070012511A KR20070012511A KR100866116B1 KR 100866116 B1 KR100866116 B1 KR 100866116B1 KR 1020070012511 A KR1020070012511 A KR 1020070012511A KR 20070012511 A KR20070012511 A KR 20070012511A KR 100866116 B1 KR100866116 B1 KR 100866116B1
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South Korea
Prior art keywords
communication
mandrel
barrel
mission
collection chamber
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KR1020070012511A
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Korean (ko)
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KR20080073826A (en
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임경진
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임경진
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
    • B08B9/043—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes
    • B08B9/045—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes the cleaning devices being rotated while moved, e.g. flexible rotating shaft or "snake"
    • B08B1/30—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
    • B08B9/043—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes
    • B08B9/0436—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes provided with mechanical cleaning tools, e.g. scrapers, with or without additional fluid jets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B2209/00—Details of machines or methods for cleaning hollow articles
    • B08B2209/02—Details of apparatuses or methods for cleaning pipes or tubes
    • B08B2209/027—Details of apparatuses or methods for cleaning pipes or tubes for cleaning the internal surfaces

Abstract

통신공관로의 선통기능 뿐만 아니라 통신공관로내의 이물질을 청소하여 외부로 배출할 수 있는 청소기능도 구비한 통신공관로 선통용 맨드릴이 개시된다. 개시된 맨드릴은 내부에는 격막이 형성되며, 격막 양측으로는 수집실이 형성되도록 내부가 빈 원통형 몸체와; 상기 원통형 몸체의 양단에 유선형 형상으로 경사지게 형성되며, 통신공관로상의 이물질이 상기 몸체의 수집실로 포집될 수 있도록 다수의 간살 사이로 수집공이 형성된 선통부와; 상기 몸체와 선통부를 관통하여 착설되며 양단에는 선통선을 연결하기 위한 고리가 형성된 결합봉을 포함하여 구성되는 것을 특징으로 한다.Disclosed is a communication mission channel mandrel having a cleaning function for cleaning a foreign substance in a communication mission path and discharging it to the outside. The disclosed mandrel includes a cylindrical body in which a diaphragm is formed therein, and a collection chamber is formed on both sides of the diaphragm; A cylindrical portion formed inclined in a streamlined shape at both ends of the cylindrical body, and having a collection hole formed between a plurality of livers so that foreign matters on the communication pipeline can be collected into the collection chamber of the body; Installed through the body and the barrel portion is characterized in that it comprises a coupling rod formed on both ends of the ring for connecting the barrel line.

맨드릴, 선통, 몸체, 선통부, 사선홈 Mandrel, barrel, body, barrel, diagonal groove

Description

청소기능을 구비한 통신공관로 선통용 맨드릴{CONDUIT PIERCING MANDRILL WITH CLEANING FUNCTION}CONDIT PIERCING MANDRILL WITH CLEANING FUNCTION}

도1은 맨드릴 시험법을 설명하기 위한 도면이며,1 is a view for explaining the mandrel test method,

도2는 종래의 통신공관로 선통용 맨드릴의 사시도이며,2 is a perspective view of a conventional mandrel for communication pipelines;

도3은 본 발명에 따른 통신공관로 선통용 맨드릴의 사시도이며, Figure 3 is a perspective view of a mandrel for communication missions in accordance with the present invention,

도4는 본 발명에 따른 통신공관료 선통용 맨드릴의 단면도이며,Figure 4 is a cross-sectional view of the mandrel for telecommunications official barrels according to the present invention,

도5는 본 발명에 따른 통신공관료 선통용 맨드릴의 선통 및 청소기능을 설명하기 위한 도면이며,5 is a view for explaining the tubing and cleaning function of the telecommunications official barrel mandrel according to the present invention,

도6은 본 발명에 따른 통신공관로 선통용 맨드릴의 보다 바람직한 형태를 도시한 도면이다.Figure 6 is a view showing a more preferred form of the communication mission line mandrel according to the present invention.

* 도면의 주요부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings

110: 몸체 111: 수집실110: body 111: collection chamber

112: 격막 120: 선통부112: diaphragm 120: barrel

121: 간살 122: 수집공121: Gluten 122: Collector

130: 결합봉 140: 사선홈130: coupling rod 140: diagonal groove

본 발명은 청소기능을 갖는 통신공관로 선통용 맨드릴에 관한 것으로, 보다 상세하게는 통신공관로의 선통기능 뿐만 아니라 통신공관로내의 이물질을 청소하여 외부로 배출할 수 있는 청소기능도 구비한 통신공관로 선통용 맨드릴에 관한 것이다.The present invention relates to a mandrel for communication missions having a cleaning function, more specifically, a communication mission equipped with a cleaning function for cleaning the foreign substances in the communication missions and discharging the foreign substances in the communication missions to the outside. It relates to a conventional mandrel.

급속한 도시화로 인해 통신, 전력, 상하수도등 도시 기반시설에 대한 수요가 계속적으로 증대 되었고 이를 충족시키기 위한 지하시설물의 난립으로 인해 도심의 지하공간이 포화상태에 이르고 있다. 한편, 공사로 인한 교통방해, 공해유발 등의 문제점들이 사회적으로 문제화되면서 새로운 시설물의 건립을 더욱 어렵게 하고 있으며, 기존에 매설된 지하관로는 현재 사용되고 있는 것 외에 향후 사용되어질 것에 대비한 여유관들도 상당수 매설되어 있으나 유지보수의 미비, 빈번한 굴착공사 등으로 훼손되어 그대로 사용하기 어려운 실정이다. 따라서, 시설투자에 따른 경제적, 시간적 손실을 줄이기 위해서는 기존에 매설되어 있는 여유관의 훼손정도를 파악하고 이를 적절히 보수하여 활용하여야 할 필요성이 있다.Due to the rapid urbanization, the demand for urban infrastructure such as communication, electric power and water and sewage has continuously increased, and underground spaces in urban areas are reaching saturation due to the disruption of underground facilities to meet them. On the other hand, as problems such as traffic interference and pollution caused by construction are becoming socially problematic, it is more difficult to construct new facilities.In addition to the existing underground pipes currently used, spare pipes are prepared for future use. Although it is quite buried, it is difficult to use as it is damaged by lack of maintenance and frequent excavation work. Therefore, in order to reduce economic and time loss due to facility investment, it is necessary to understand the degree of damage of the existing reserve pipe and to properly repair and use it.

현재, 통신시설 현장에서 케이블이 포설되는 관은 여유관을 함께 매설하여 가입자의 증가와 같은 상황에 따라 노후화된 케이블을 교체하거나 증설하게 된다.이때, 이러한 여유관 즉, 통신공관로에 케이블이 정상적으로 포설될 수 있는지의 여부를 검사하는 방법으로 맨드릴 시험법(Mandrel test)이 보편적으로 이용되고 있다.At present, the pipes in which the cable is installed in the communication facility are installed with a spare pipe to replace or expand the aged cable according to the increase of subscribers. The Mandrel test is commonly used to test whether or not it can be installed.

도1은 맨드릴 시험법을 설명하기 위한 통신공관로 검사방법을 도시한 것으로 이를 참고하면, 통신공관로 상에 양측에 선통선이 연결된 맨드릴(10)을 투입한 다음 일측맨홀에서 타측맨홀까지 통과시킴으로써 일측 맨홀에서 타측 맨홀까지 통신공관로가 선통되어 있는지 여부를 확인한다. 여기서, 규격화된 통신공관로의 내경은 100mm이고 이 통신공관로가 수용할 수 있는 통신케이블의 최대외경은 90mm이다. 따라서, 맨드릴은 그 외경이 90mm인 것을 사용하여 통신공관로의 선통여부를 확인함으로써, 90mm 외경의 통신케이블이 100mm 내경의 통신공관로에 포설될 수 있는지 여부를 확인하는 것이다. 1 illustrates a communication mission test method for explaining a mandrel test method. Referring to this, by inserting a mandrel 10 connected to two communication lines on a communication mission path and then passing it from one side manhole to the other manhole. Check whether the communication pipeline is connected from one manhole to the other manhole. Here, the internal diameter of the standard communication mission is 100 mm and the maximum external diameter of the communication cable that can be accommodated by this communication mission is 90 mm. Therefore, the mandrel is to check whether or not the communication pipe line of the 90mm outer diameter can be installed in the communication pipeline of 100mm inner diameter by using the 90mm outer diameter of the mandrel.

도2에는 종래의 일반적인 통신공관로 선통용 맨드릴(10)이 도시되어 있다. 이를 참고하면, 원통형 몸체(11)와; 상기 몸체의 양단에 유선형 형상으로 경사진 선통부(12)와; 상기 몸체(11) 및 선통부(12)를 관통하여 착설되며 양단에는 선통선이 연결되는 고리(13-1)가 형성된 결합봉(13)으로 구성되어 있다. Figure 2 shows a conventional mandrel 10 for the common communication pipeline. Referring to this, the cylindrical body (11); A barrel portion 12 inclined in a streamlined shape at both ends of the body; It is installed through the body 11 and the barrel portion 12 is composed of a coupling rod 13 formed on both ends of the ring (13-1) is connected to the line.

하지만, 상기와 같은 종래의 선통용 맨드릴은 선통부(12)가 막혀져 있기 때 문에 통신공관로의 선통작업만 수행할 뿐 이물질의 청소작업은 수행할 수 없다는 문제점이 있으며, 이로 인해 통신공관로상에 돌, 자갈 또는 나무토막과 같은 이물질이 다수 존재하는 경우에는 통신공관로상을 이동하는 맨드릴이 이물질에 걸려 선통작업을 할 수 없게 되는 문제점이 있다. However, the conventional barrel mandrel as described above has a problem in that only the barrel work of the communication mission can be carried out because the barrel part 12 is blocked, and thus cleaning of foreign substances cannot be performed. If there are a large number of foreign matters such as stones, gravel or wood chips in the furnace, there is a problem in that the mandrel moving on the communication mission is caught by the foreign matters and thus cannot perform line work.

특히, 통신공관로의 내경이 맨드릴의 외경보다 크므로 작은 이물질의 경우에는 맨드릴이 통신공관로를 이동할 수는 있지만 나중에 이러한 이물질은 통신케이블의 포설작업에 지장을 줄 수 있다. 따라서, 통신공관로상의 이물질을 청소해야 하지만 종래의 맨드릴은 이물질을 수집하여 외부로 배출할 수 있는 수단이 결여되어 있는 바, 통신공관로상에 존재하는 이물질을 청소할 수 있는 맨드릴의 개발이 절실히 요구되고 있는 실정이다. In particular, since the inner diameter of the communication mission is larger than the outer diameter of the mandrel, the mandrel may move the communication mission in the case of small foreign matters, but these foreign matters may interfere with the installation of the communication cable. Therefore, the foreign matters on the communication mission should be cleaned, but the conventional mandrel lacks a means for collecting and discharging the foreign matter to the outside. Therefore, there is an urgent need for the development of a mandrel to clean the foreign matter present in the communication mission. It's happening.

본 발명은 상기 문제점을 해결하기 위해 안출된 것으로, 본 발명의 목적은 통신공관로의 선통기능 뿐만 아니라 통신공관로내의 이물질을 청소하여 외부로 배출할 수 있는 청소기능까지 구비한 통신공관로 선통용 맨드릴을 제공하는 것이다.The present invention has been made to solve the above problems, the object of the present invention is not only a communication function of the communication mission but also a communication mission for the communication mission equipped with a cleaning function to clean the foreign substances in the communication mission to discharge to the outside. To provide a mandrel.

상기 본 발명의 목적은 내부에는 격막이 형성되며, 격막 양측으로는 수집실이 형성되도록 내부가 빈 원통형 몸체와; 상기 원통형 몸체의 양단에 유선형 형상으로 경사지게 형성되며, 통신공관로상의 이물질이 상기 몸체의 수집실로 포집될 수 있도록 다수의 간살 사이로 수집공이 형성된 선통부와; 상기 몸체와 선통부를 관통하여 착설되며 양단에는 선통선을 연결하기 위한 고리가 형성된 결합봉을 포함하여 구성되는 것을 특징으로 하는 청소기능을 구비한 통신공관로 선통용 맨드릴을 제공함으로써 달성될 수 있다.An object of the present invention is a cylindrical body is formed therein, the inner cylindrical body to form a collection chamber on both sides of the diaphragm; A cylindrical portion formed inclined in a streamlined shape at both ends of the cylindrical body, and having a collection hole formed between a plurality of livers so that foreign matters on the communication pipeline can be collected into the collection chamber of the body; It can be achieved by providing a mandrel for communication through the communication pipe with a cleaning function, characterized in that it is installed to penetrate through the body and the through portion and comprises a coupling rod having a ring formed at both ends to connect the line. .

여기서, 상기 원통형 몸체 외면에는 맨드릴이 통신공관로상을 회전하면서 전진하게 하여 청소효율을 향상시키기 위한 다수의 사선홈이 형성된 것이 바람직하다.Here, it is preferable that a plurality of diagonal grooves are formed on the outer surface of the cylindrical body to improve the cleaning efficiency by rotating the mandrel on the communication pipeline.

상술한 본 발명의 목적은 첨부된 도면을 참조하여 후술되는 본 발명의 바람직한 실시예로부터 더욱 명확해질 것이다.The object of the present invention described above will become more apparent from the preferred embodiment of the present invention described below with reference to the accompanying drawings.

첨부된 도면을 참고하여 본 발명에 따른 통신공관로 선통용 맨드릴을 보다 상세하게 설명한다. With reference to the accompanying drawings will be described in more detail the communication pipeline mandrel mandrel according to the present invention.

첨부된 도3은 본 발명에 따른 통신공관로 선통용 맨드릴의 사시도이며, 도4는 본 발명에 따른 통신공관료 선통용 맨드릴의 단면도이다. Attached Figure 3 is a perspective view of the mandrel for telecommunications pipelines in accordance with the present invention, Figure 4 is a cross-sectional view of the mandrel for telecommunications officials in accordance with the present invention.

이를 참고하면, 본 발명에 따른 통신공관로 선통용 맨드릴은 몸체(110), 선 통부(120), 결합봉(130)을 포함하여 구성된다.Referring to this, the mandrel for communication pipe line in accordance with the present invention is configured to include a body 110, a line pipe portion 120, the coupling rod 130.

상기 몸체(110)는 통신공관로를 선통할 수 있도록 통신공관로의 내경보다 그 외경이 작으며, 일례로 100mm 내경의 통신공관로에 대해서는 90mm의 외경을 갖는다. 또한, 상기 몸체(110)는 그 내부에 이물질을 수집할 수 있는 수집실(111)이 형성되도록 내부가 빈 중공형상이며, 몸체내부의 수집실(111)을 좌우 2개로 분리하는 격막(112)이 수직하게 형성된다. 그리고, 상기 격막(112) 중심에는 결합봉(130)이 관통하여 착설될 수 있도록 제1관통공(113)이 형성된다. 상기 격막(112)은 일측방향에서 포집된 이물질이 타측방향으로 이동하여 흘러버리는 것을 방지하기 위한 것이다. The body 110 has a smaller outer diameter than the inner diameter of the communication mission to communicate with the communication mission. For example, the body 110 has an outer diameter of 90 mm for the communication mission of 100 mm. In addition, the body 110 has a hollow hollow shape to form a collection chamber 111 for collecting foreign matter therein, and the diaphragm 112 separating the collection chamber 111 inside the body into two left and right. Is formed vertically. In addition, a first through hole 113 is formed at the center of the diaphragm 112 to allow the coupling rod 130 to be installed therethrough. The diaphragm 112 is intended to prevent foreign matter collected in one direction from flowing in the other direction.

상기 선통부(120)는 원통형 몸체(110)의 양단에 유선형 형상으로 경사지게 형성되어 전진방향에 따라 일측 선통부는 선봉이 되며 타측 선봉부는 후미가 된다. 또한, 상기 선통부(120)의 경사면에는 상기 수집실(111)로 통신공관로상의 이물질이 포집될 수 있도록 수집공이 형성되는 데 이를 위해 상기 선통부(120)의 경사면에는 다수의 간살(121)이 형성된다. 즉, 다수의 간살(121)사이의 빈공간이 수집공(122)이며 이 수집공(122)을 통해 몸체의 수집실(111)로 이물질이 수집되게 된다. 또한, 상기 선통부(122)의 단부에는 결합봉(130)이 관통하여 착설될 수 있도록 제2관통공(123)이 형성된다.The barrel portion 120 is formed to be inclined in a streamlined shape at both ends of the cylindrical body 110 so that one side of the barrel is the leading rod and the other side of the cylindrical rod 110 is the tail. In addition, a collection hole is formed on the inclined surface of the barrel 120 so that foreign matters on the communication pipeline may be collected into the collection chamber 111. Is formed. That is, the empty space between the plurality of liver meat 121 is the collecting hole 122 and the foreign matter is collected into the collection chamber 111 of the body through the collecting hole 122. In addition, a second through hole 123 is formed at an end portion of the barrel portion 122 so that the coupling rod 130 may be installed therethrough.

상기 결합봉(130)은 전술한 바와 같이 상기 몸체 격막(112)의 제1관통공(113)과 선통부(120)의 제2관통공(123)을 관통하여 착설되며 양단에는 선통선을 연결하기 위한 고리(131)가 형성되어 있다. 따라서, 상기 고리(131)에는 선통선을 연결하고 이 선통선을 맨홀에서 잡아 당김으로써 맨드릴이 통신공관로상을 이동하게 된다. 여기서, 선통선은 사람의 손이나 윈치등을 통해 잡아당기게 된다.As described above, the coupling rod 130 is installed through the first through hole 113 of the body diaphragm 112 and the second through hole 123 of the through part 120 and connects a line through both ends. Ring 131 is formed to. Therefore, the mandrel moves on the communication mission channel by connecting a line through the ring 131 and pulling the line through the manhole. Here, the line is pulled through the human hand or winch.

이와 같이 구성된 본 발명에 따른 통신공관로 선통용 맨드릴의 작용 및 효과를 도5를 참고하여 설명한다.With reference to Figure 5 will be described with reference to the operation and effect of the mandrel for communication mission according to the invention configured as described above.

본 발명에 따른 통신공관로 선통용 맨드릴은 종래의 맨드릴과 같이 통신공관로의 선통작용을 갖는다. 즉, 본 발명에 따른 맨드릴을 일측맨홀에서 타측맨홀까지 이동시킴으로써 통신공관로상에 통신케이블이 포설될 수 있는지 여부를 확인할 수 있다. 만약 통신공관로의 어느 부분의 내경이 통신케이블의 외경보다 작아 본 발명에 따른 맨드릴이 통신공관로에 막혀 이동할 수 없다면 그 부분의 통신공관로를 보수해야 한다.The communication mission channel mandrel for communication according to the present invention has a communication function of the communication mission channel like a conventional mandrel. That is, by moving the mandrel according to the present invention from one side manhole to the other manhole can determine whether the communication cable can be laid on the communication mission. If the inner diameter of any part of the communication mission is smaller than the outer diameter of the communication cable and the mandrel according to the present invention cannot be blocked by the communication mission, the communication mission of that part should be repaired.

또한, 본 발명에 따른 통신공관로 선통용 맨드릴은 종래의 맨드릴에서는 수행할 수 없는 통신공관로의 청소작용을 갖는다. 즉, 통신공관로상이 돌이나 자갈, 나무토막과 같은 이물질이 있는 경우에, 도5에 도시된 바와 같이 본 발명에 따른 맨드릴이 전진하면 이물질은 선통부(120)의 수집공(121)을 통해 몸체 내부의 수집 실(111)로 포집되며 맨드릴에 운반되어 외부로 배출되게 된다. 따라서, 본 발명에 따른 맨드릴을 통해 통신공관로를 선통하게 되면 통신공관로의 청소작용도 자연스럽게 수행되므로, 나중에 통신케이블을 포설할 때 이물질에 의해 포설작업이 지장을 받는 문제점이 해결될 수 있는 것이다. In addition, the communication mission line mandrel according to the present invention has a cleaning operation of the communication mission channel that can not be performed in the conventional mandrel. That is, when there is a foreign material such as stone or gravel, wood chips on the communication pipeline, when the mandrel according to the present invention is advanced as shown in FIG. 5, the foreign matter is collected through the collecting hole 121 of the barrel 120. It is collected by the collection chamber 111 inside the body and is transported to the mandrel to be discharged to the outside. Therefore, when the communication mission through the mandrel according to the present invention, the cleaning operation of the communication mission is also naturally performed, so that the problem of the installation work being disturbed by foreign matters when installing the communication cable can be solved later. .

한편, 도6은 본 발명에 따른 통신공관로 선통용 맨드릴의 보다 바람직한 실시예로서, 이를 참고하면 원통형 몸체 외면에는 다수의 사선홈(140)이 형성되어 있는 데, 이는 사선홈(140)은 맨드릴이 통신공관로상을 회전하면서 전진하게 하여 청소효율을 향상시키기 위한 것이다. 즉, 맨드릴이 상기 사선홈(140)에 따라 슬립이 발생하면서 통신공관로를 전진하게 하여 사선홈(140) 방향으로 회전하면서 전진하게 함으로써 간살(121)에 걸린 이물질이 수집공(122)을 통해 수집실(111)로 용이하게 포집될 수 있게 한 것이다.On the other hand, Figure 6 is a more preferred embodiment of the communication pipe line mandrel according to the present invention, referring to this, a plurality of diagonal grooves 140 are formed on the outer surface of the cylindrical body, which is a diagonal groove 140 is a mandrel This is to improve the cleaning efficiency by advancing while rotating this communication pipeline. That is, the mandrel is caused to slip along the slanted groove 140, and thus advances the communication pipeline, and rotates in the direction of the slanted groove 140 to move forward. It is to be easily collected into the collection chamber (111).

이상에서 설명한 바와 같이, 본 발명에 따른 통신공관로 선통용 맨드릴은 통신공관로의 선통기능 뿐만 아니라 통신공관로내의 이물질을 청소하여 외부로 배출할 수 있어, 선통작업을 용이하게 수행하게 할 뿐만 아니라 나중에 이물질로 인해 통신케이블의 포설작업에 지장을 주는 것을 해결하는 효과가 있다.As described above, the mandrel for communication missions according to the present invention can not only facilitate the communication function of the communication missions but also cleans and discharges foreign substances in the communication missions to the outside, thereby making it easier to carry out the work. It is effective to solve the problem that the installation of the communication cable is caused by the foreign matter later.

Claims (2)

내부에는 격막이 형성되며, 격막 양측으로는 수집실이 형성되도록 내부가 빈 원통형 몸체와;A diaphragm is formed therein, and a hollow cylindrical body inside the diaphragm so as to form a collection chamber; 상기 원통형 몸체의 양단에 유선형 형상으로 경사지게 형성되며, 통신공관로상의 이물질이 상기 몸체의 수집실로 포집될 수 있도록 다수의 간살 사이로 수집공이 형성된 선통부와;A cylindrical portion formed inclined in a streamlined shape at both ends of the cylindrical body, and having a collection hole formed between a plurality of livers so that foreign matters on the communication pipeline can be collected into the collection chamber of the body; 상기 몸체와 선통부를 관통하여 착설되며 양단에는 선통선을 연결하기 위한 고리가 형성된 결합봉을 포함하여 구성되는 것을 특징으로 하는 청소기능을 구비한 통신공관로 선통용 맨드릴.The mandrel for communication pipe line with a communication function with a cleaning function, characterized in that it is installed through the body and the barrel portion and comprises a coupling rod formed at both ends with a ring for connecting the barrel line. 제1항에 있어서,The method of claim 1, 상기 원통형 몸체 외면에는 맨드릴이 통신공관로상을 회전하면서 전진하게 하여 청소효율을 향상시키기 위한 다수의 사선홈이 형성된 것을 특징으로 하는 통신공관로 선통용 맨드릴.The cylindrical mandrel for communication pipe line mandrel on the outer surface of the cylindrical body characterized in that a plurality of diagonal grooves for improving the cleaning efficiency by advancing while rotating the communication pipe on the pipeline.
KR1020070012511A 2007-02-07 2007-02-07 Conduit piercing mandrill with cleaning function KR100866116B1 (en)

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07935A (en) * 1993-06-11 1995-01-06 Hakko Co Ltd Method for cleaning inside of existing pipe

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07935A (en) * 1993-06-11 1995-01-06 Hakko Co Ltd Method for cleaning inside of existing pipe

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