JP2007325470A - Cleaning device for cable housing pipe line - Google Patents

Cleaning device for cable housing pipe line Download PDF

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JP2007325470A
JP2007325470A JP2006155984A JP2006155984A JP2007325470A JP 2007325470 A JP2007325470 A JP 2007325470A JP 2006155984 A JP2006155984 A JP 2006155984A JP 2006155984 A JP2006155984 A JP 2006155984A JP 2007325470 A JP2007325470 A JP 2007325470A
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cleaning device
cable
scraper
pressure water
pipe
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JP4689540B2 (en
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Shigeru Yamaguchi
茂 山口
Kenji Okumura
賢志 奥村
Takayuki Nagaoka
孝幸 長岡
Atsuyoshi Mori
厚芳 森
Masashi Ryu
正志 笠
Shinji Miwa
信二 三和
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Nippon Telegraph and Telephone Corp
Airec Engineering Corp
Capty Co Ltd
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Nippon Telegraph and Telephone Corp
Airec Engineering Corp
Capty Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a cleaning device capable of efficiently and easily cleaning the inside of a cable housing pipe line by attaching a simple mechanism. <P>SOLUTION: Scrapers 10, provided to a ring barrel part 26 of a cleaning device 5, are arranged alternately, and fixed with a bolt 12. The tip part which is the side opposite to the side, where the bolt 12 is fixed does not contact the ring barrel 26, with the tip protruding. A spring steel material is used for improving the adhesion between the tip part and the inner surface of a pipe line 1 and for assuring a repulsive force generated after foreign substance, such as rust or deposits, has been scraped. The scraper 10 includes a reinforcing rib 11 for reinforcing the scraper 10 itself. When the cleaning device 5 moves in the forward direction, the tip part of the scraper 10 scrapes foreign substances, such as rust or deposits sticking to the inside surface of the pipe line 1, while a high pressure water 9 is jetted from a jetting nozzle 8. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

本発明は、ケーブルが布設された金属管路内に発生した錆や土砂、堆積物等の異物を除去する洗浄装置に関する。   The present invention relates to a cleaning device for removing foreign matters such as rust, earth and sand, and deposits generated in a metal pipe line in which a cable is installed.

地中に埋設されている管路には、水道管やガス管の他に、通信ケーブルを挿通するための通信用管路や送電ケーブルを挿通するための電力用管路がある。これらの管路のうち金属管は、地中埋設期間が長期に亘ると、管内面に錆が発生したり、管の継ぎ手部から土砂等が流入して堆積する場合がある。   In addition to water pipes and gas pipes, pipes buried in the ground include communication pipes for inserting communication cables and power pipes for inserting power transmission cables. Among these pipes, metal pipes may be rusted on the inner surface of the pipe, or earth and sand may flow from the pipe joints and accumulate when the underground period is long.

従来、地中に埋設された管等の内部を清掃するための管内洗浄装置には様々な工夫がされており（特許文献１，２を参照）、例えば、ホースを先端に取り付けた洗浄装置であって、ホースから送られる高圧水を、洗浄装置本体に設けた噴射孔から噴出させ、高圧水により管内を清掃するものがある。   Conventionally, various devices have been devised for cleaning the inside of pipes and the like embedded in the ground (see Patent Documents 1 and 2), for example, with a cleaning device with a hose attached to the tip. In some cases, high-pressure water sent from a hose is ejected from an injection hole provided in a cleaning apparatus body, and the inside of the pipe is cleaned with high-pressure water.

このような管内洗浄装置は、高水圧の水流とホースを引くカにより管路内を移動せしめると共に、噴出孔から噴出する高圧水により、管内の錆や堆積物等の異物を除去し、管路外へ排出する。管内洗浄装置には、ケーブル等の布設物を内部に収容していない管を対象としたもの、及び、ケーブル等の布設物を内部に収容している管を対象としたものがある。   Such an in-pipe cleaning device moves the inside of a pipe line by a high water pressure water flow and a hose pulling pipe, and removes foreign matters such as rust and deposits in the pipe by high-pressure water jetted from a jet hole, Drain out. In-pipe cleaning apparatuses include those intended for pipes that do not contain laying objects such as cables, and those intended for pipes that contain laying objects such as cables.

ところで、近年の光通信需要への即応を図り、かつ既存ストックの有効活用を図るため、ケーブルを収容した管の余裕空間を利用し、さらに新たなケーブルを布設するケースが増加している。この余裕空間に錆や堆積物等の異物が発生すると、新たなケーブルを布設することができない場合がある。   By the way, in order to promptly respond to demand for optical communication in recent years and to make effective use of existing stock, there are an increasing number of cases in which an extra space of a pipe accommodating a cable is used and a new cable is laid. If foreign matter such as rust or deposits is generated in this marginal space, a new cable may not be laid.

特開２０００−６１４１７号公報JP 2000-61417 A 特開平６−１９３１２９号公報JP-A-6-193129

従来の管内洗浄装置において、比較的長い管路長にケーブルが収容された管路の洗浄を行う場合には、ホースを引く力は管路長に比例して大きな力が必要になり、さらには洗浄装置に高圧水を供給するホースと管内に収容されたケーブルとが絡み合う現象が生じることが、検証実験により確認されている。   In a conventional in-pipe cleaning device, when cleaning a pipe containing a cable in a relatively long pipe length, the force for pulling the hose requires a large force in proportion to the pipe length. It has been confirmed by a verification experiment that a phenomenon occurs in which a hose that supplies high-pressure water to the cleaning device and a cable housed in the pipe are entangled.

高圧水を供給するホースと管内に収容されたケーブルとが絡み合う現象は、洗浄装置自体の構造に起因するものであり、また、洗浄装置に設けられた噴出孔から噴出する高圧水が洗浄装置本体に対して浮力及び推進力を与えると同時に洗浄装置に旋回力を与えることに起因するものである。   The phenomenon in which the hose supplying high pressure water and the cable accommodated in the pipe are entangled is caused by the structure of the cleaning device itself, and the high pressure water ejected from the ejection hole provided in the cleaning device is the main body of the cleaning device. This is because the buoyancy and the propulsive force are applied to the cleaning device, and at the same time the swirl force is applied to the cleaning device.

図３は、従来の洗浄装置の概略構成を説明するための概略図及び断面図である。この洗浄装置２２は、当該洗浄装置２２本体の中心より下方に、ケーブル４を通す空間であるケーブル収容部２５を有し、ケーブル４を覆うためのカバー２３を備えている。また、洗浄装置２２は、当該洗浄装置２２本体の中心より上方に、高水圧を供給するホースを取り付けるための給水ホース取り付け口２４を備え、この給水ホース取り付け口２４から供給される高圧水の水路１８を備えている。   FIG. 3 is a schematic view and a cross-sectional view for explaining a schematic configuration of a conventional cleaning apparatus. The cleaning device 22 includes a cable housing portion 25 that is a space through which the cable 4 is passed below the center of the cleaning device 22 body, and includes a cover 23 for covering the cable 4. Further, the cleaning device 22 includes a water supply hose attachment port 24 for attaching a hose that supplies high water pressure above the center of the main body of the cleaning device 22, and a high-pressure water channel supplied from the water supply hose attachment port 24. 18 is provided.

このような洗浄装置２２では、ケーブル４を通す空間が下方に位置し、供給ホース取り付け口２４が中心より上方に位置することから、洗浄装置２２は回転し易くなる。さらに、高圧水が洗浄装置２２に設けられた噴出孔（図示せず）から斜め前方に噴出されることにより、洗浄装置２２には旋回力が加わる。これにより、ホースがケーブル４の裏側に回り込み、ホースとケーブル４とが絡み合う現象が生じる。この場合、管内における洗浄装置２２及びホースの移動が拘束されることになる。   In such a cleaning device 22, the space through which the cable 4 passes is located below, and the supply hose attachment port 24 is located above the center, so that the cleaning device 22 is easy to rotate. Further, the high pressure water is jetted obliquely forward from a jet hole (not shown) provided in the cleaning device 22, whereby a turning force is applied to the cleaning device 22. As a result, a phenomenon occurs in which the hose wraps around the back side of the cable 4 and the hose and the cable 4 are intertwined. In this case, the movement of the cleaning device 22 and the hose in the pipe is restricted.

また、同様に、ケーブル収容管を対象とした管内洗浄において、洗浄装置２２に設けた噴出孔から高圧水を噴出させる際に、高圧力を洗浄装置２２本体の内部から外部に向かって負荷することから、洗浄装置２２本体を形成する構造体に亀裂を生じせしめ、洗浄装置２２本体に通したケーブル４に高圧水が直接作用し、ケーブル４の外皮に損傷を与える事象が検証実験において明らかとなっている。   Similarly, in the in-pipe cleaning for the cable housing pipe, when high-pressure water is ejected from the ejection hole provided in the cleaning device 22, high pressure is applied from the inside of the cleaning device 22 to the outside. In the verification experiment, it is clarified in the verification experiment that the structure forming the main body of the cleaning device 22 is cracked, the high pressure water directly acts on the cable 4 passed through the main body of the cleaning device 22 and the outer skin of the cable 4 is damaged. ing.

そこで、本発明の目的は、従来のケーブルを収容した管路の洗浄における問題に鑑み、簡単な機構を装着することにより、ケーブル収容管路の管内洗浄を効率的かつ容易に行うことが可能な洗浄装置を提供することにある。   Accordingly, an object of the present invention is to provide an easy and efficient way of cleaning a cable housing pipe in a pipe by mounting a simple mechanism in view of the problem of washing a pipe that houses a conventional cable. It is to provide a cleaning device.

この目的を達成するため、請求項１に記載の発明は、ケーブルが布設された管路内にて、前端部に取り付けられたホースから送られる高圧水を、周胴部に設けられた噴出孔から噴出させて、前記管路内を洗浄する装置であって、管路内面に付着した異物を切削するためのスクレーパーを前記周胴部に備えていることを特徴とする洗浄装置である。これにより、噴出孔による高圧水の噴射とスクレーパーによる切削とを併用することができるから、高圧水の噴射のみの場合に比べて、管路内面に付着した異物を効率的かつ容易に除去することができる。   In order to achieve this object, the invention described in claim 1, in the pipe line in which the cable is laid, ejects high-pressure water sent from a hose attached to the front end portion from an ejection hole provided in the peripheral body portion. Thus, the cleaning apparatus is configured to clean the inside of the pipe line, and is provided with a scraper for cutting foreign matter adhering to the inner surface of the pipe line in the peripheral body portion. As a result, it is possible to use both high-pressure water injection through the ejection hole and cutting with a scraper, so that foreign matter adhering to the inner surface of the pipe line can be efficiently and easily removed compared to the case of only high-pressure water injection. Can do.

請求項２に記載の発明は、前記スクレーパーが、該洗浄装置の移動方向に対して、高圧水が噴出する噴出孔よりも前側に備えていることを特徴とする洗浄装置である。これにより、スクレーパーによる異物の切削は高圧水の噴射の前に行われるから、異物を容易に切削及び排出することができる。   The invention according to claim 2 is the cleaning device, wherein the scraper is provided in front of the ejection hole from which the high-pressure water is ejected with respect to the moving direction of the cleaning device. Thereby, since the cutting | disconnection of the foreign material by a scraper is performed before injection of high pressure water, a foreign material can be cut and discharged | emitted easily.

請求項３に記載の発明は、前記スクレーパーが、該洗浄装置の移動方向に対して千鳥掛けに２列に配置され、該スクレーパーの先端に設けられた凸部が弾性力により管内面に密着することを特徴とする洗浄装置である。スクレーパーが千鳥掛けに２列に配置されているから、管路内面の付着した異物を全周に亘って切削することができる。また、スクレーパーの先端に設けられた凸部が弾性力により管路内面に密着するようにしたから、管路内面をスクレーパーの弾性反力により押さえ、洗浄装置本体の回転を抑制することができる。したがって、ホースとケーブルとが絡み合う現象を防止することができる。   According to a third aspect of the present invention, the scrapers are arranged in two rows in a staggered manner with respect to the moving direction of the cleaning device, and the convex portion provided at the tip of the scraper is in close contact with the inner surface of the tube by elastic force. This is a cleaning device. Since the scrapers are arranged in two rows in a staggered manner, the foreign matter adhered to the inner surface of the pipe can be cut over the entire circumference. Moreover, since the convex part provided in the front-end | tip of a scraper was made to closely_contact | adhere to a pipe inner surface with an elastic force, the pipe inner surface can be pressed down with the elastic reaction force of a scraper, and rotation of a washing | cleaning apparatus main body can be suppressed. Therefore, it is possible to prevent a phenomenon in which the hose and the cable are intertwined.

請求項４に記載の発明は、前記管内に布設されたケーブルを該洗浄装置の中央部に通すための中空円筒形２分割体による構造を成し、該２分割体のそれぞれに、前記高圧水を送るためのホース取り付け口を備えていることを特徴とする洗浄装置である。これにより、ケーブルは洗浄装置の中央部に通すことができる。また、高圧水は、ホース取り付け口から２分割体のそれぞれの空洞部を水路として給水され、噴出孔から噴出される。   According to a fourth aspect of the present invention, there is provided a structure having a hollow cylindrical two-part structure for passing a cable laid in the pipe through a central portion of the cleaning device, and each of the two parts is provided with the high-pressure water. It is a washing | cleaning apparatus provided with the hose attachment port for sending. Thus, the cable can be passed through the central portion of the cleaning device. Further, the high-pressure water is supplied from the hose attachment port using each hollow portion of the two-divided body as a water channel, and is ejected from the ejection hole.

請求項５に記載の発明は、該洗浄装置の中央部に通されるケーブルを覆い、前記高圧水のケーブルへの作用を防止するための保護管を備えたことを特徴とする洗浄装置である。これにより、洗浄装置の噴出孔から噴出する高圧水が、管内に布設されたケーブルに作用することがないから、ケーブルの外皮に損傷を与えることがない。   The invention according to claim 5 is a cleaning device comprising a protective tube for covering the cable passed through the central portion of the cleaning device and preventing the action of the high-pressure water on the cable. . As a result, the high-pressure water ejected from the ejection hole of the cleaning device does not act on the cable laid in the pipe, so that the outer sheath of the cable is not damaged.

以上のように、本発明によれば、高圧水洗浄とスクレーパーによる洗浄とを併用することにより、管内洗浄を効率的かつ容易に行うことが可能となる。   As described above, according to the present invention, pipe cleaning can be performed efficiently and easily by using both high-pressure water cleaning and scraper cleaning.

以下、図面を参照して、本発明に係る管内洗浄装置の実施の形態の一例について説明する。図１は、本発明の実施例による洗浄装置を用いて管内洗浄を行う場合の全体構成を説明するための模式図であり、図２は、本発明の実施例による洗浄装置の概略構成を説明するための図である。   Hereinafter, an example of an embodiment of an in-pipe cleaning apparatus according to the present invention will be described with reference to the drawings. FIG. 1 is a schematic diagram for explaining an overall configuration in the case of performing in-pipe cleaning using a cleaning device according to an embodiment of the present invention, and FIG. 2 illustrates a schematic configuration of the cleaning device according to an embodiment of the present invention. It is a figure for doing.

まず、管内洗浄方法について説明する。図１において、洗浄の対象となる管路１には、マンホール２，３を繋ぐケーブル４が収容されており、マンホール２，３は管路１の延長方向両端に設けられている。本発明の実施例による洗浄装置を用いる管内洗浄方法は、洗浄装置５を牽引するための牽引ロープ７を引き通すことから始める。牽引ロープ７の引き通しは、予め管路１に通線した通線紐を利用して行う。   First, the pipe cleaning method will be described. In FIG. 1, a cable 1 that connects manholes 2 and 3 is accommodated in a pipeline 1 to be cleaned, and the manholes 2 and 3 are provided at both ends of the pipeline 1 in the extending direction. The in-pipe cleaning method using the cleaning device according to the embodiment of the present invention starts by pulling the towing rope 7 for towing the cleaning device 5. The towing rope 7 is pulled in by using a wire string that has been previously connected to the pipeline 1.

次に、マンホール２から３の間に引き通した牽引ロープ７の先端を、マンホール３において、洗浄装置５の前端部に接続する。続けて、ホース６及び洗浄装置５を牽引するための他の牽引ロープを洗浄装置５の後端部に接続する。尚、図１では、後端部に接続された他の牽引ロープの記載は省略してある。そして、洗浄装置５にケーブル４を抱き込ませた後、洗浄装置５は、ホース６を介して送られる高圧水９を、当該洗浄装置５本体に設けられた噴出孔８から噴出しながら、牽引ロープ７によりマンホール３の側からマンホール２の側へ引き戻される。このときに、管路１内面に付着した錆や堆積物等の異物が除去される。尚、前述した他の牽引ロープは、洗浄装置５の牽引に異常が生じた場合に、マンホール３の側へ引き戻すために用いられる。   Next, the tip of the tow rope 7 drawn between the manholes 2 to 3 is connected to the front end portion of the cleaning device 5 in the manhole 3. Subsequently, the hose 6 and another tow rope for pulling the cleaning device 5 are connected to the rear end of the cleaning device 5. In addition, in FIG. 1, description of the other tow rope connected to the rear-end part is abbreviate | omitted. Then, after the cable 4 is held in the cleaning device 5, the cleaning device 5 pulls the high-pressure water 9 sent through the hose 6 from the ejection hole 8 provided in the main body of the cleaning device 5. The rope 7 is pulled back from the manhole 3 side to the manhole 2 side. At this time, foreign matters such as rust and deposits attached to the inner surface of the pipe line 1 are removed. The other tow rope described above is used for pulling back to the manhole 3 side when an abnormality occurs in towing of the cleaning device 5.

この場合、給水車１６は、給水ホース６を介して高圧水９を洗浄装置５に送る。反力受台１９に設けられた電動ウィンチ１７は、牽引ロープ７により洗浄装置５を、マンホール３の側からマンホール２の側へ引き戻す。また、マンホール２に設けられた水中ポンプ２０は、除去した錆や堆積物等の異物を含んだ排水を沈殿槽２１へ送る。   In this case, the water supply vehicle 16 sends the high-pressure water 9 to the cleaning device 5 through the water supply hose 6. The electric winch 17 provided on the reaction force receiving base 19 pulls the cleaning device 5 back from the manhole 3 side to the manhole 2 side by the traction rope 7. In addition, the submersible pump 20 provided in the manhole 2 sends waste water containing foreign matters such as removed rust and deposits to the settling tank 21.

次に、洗浄装置５について説明する。図２は、洗浄装置５を説明するための図であり、（１）は概略図を、（２）は断面図及び側面図を、（３）はスクレーパー１０の詳細図をそれぞれ示している。図２（１）及び（２）において、洗浄装置５本体は、中空円筒形状の２分割構造を成しており、分割体２７−１，２７−２により構成され、ボルト接合にて一体化されている。分割体２７−１，２７−２は、（２）において中央横に分割され、上部の分割体２７−１及び下部の分割体２７−２により構成される。また、分割体２７−１，２７−２それぞれの前端部には、牽引ロープ取り付け部１５が設けられており、後端部には、ホース６を取り付けるためのホース取り付け部１４及び牽引ロープ取り付け部１５が設けられている。牽引ロープ取り付け部１５は、その中央に牽引ロープ７のフックが掛かるように輪型を成している。このような構造にすることにより、ケーブル４を洗浄装置５本体の中央に配置することが可能となるから、洗浄装置５本体にケーブル４を抱き込んで通すためのケーブル収容部２８を中央に設けることができる。   Next, the cleaning device 5 will be described. 2A and 2B are diagrams for explaining the cleaning device 5. FIG. 2A is a schematic view, FIG. 2B is a sectional view and a side view, and FIG. 2B is a detailed view of the scraper 10. 2 (1) and 2 (2), the main body of the cleaning device 5 has a hollow cylindrical two-divided structure, is constituted by divided bodies 27-1 and 27-2, and is integrated by bolt joining. ing. The divided bodies 27-1 and 27-2 are divided in the horizontal direction in (2), and are constituted by an upper divided body 27-1 and a lower divided body 27-2. Moreover, the tow rope attachment part 15 is provided in the front end part of each of the divided bodies 27-1 and 27-2, and the hose attachment part 14 and the tow rope attachment part for attaching the hose 6 to the rear end part. 15 is provided. The tow rope attachment portion 15 has a ring shape so that the hook of the tow rope 7 is hooked at the center thereof. With this structure, the cable 4 can be arranged in the center of the main body of the cleaning device 5, and therefore a cable housing portion 28 for embedding and passing the cable 4 in the main body of the cleaning device 5 is provided in the center. be able to.

これにより、洗浄装置５の重心は、図３に示した従来の洗浄装置２２の重心に比べて洗浄装置５の中心部に移る。この重心の移動により、高圧水９の噴出時に洗浄装置５付近で発生する旋回力によってホース６がケーブル４の裏側へ回り込む現象を防止することができる。   As a result, the center of gravity of the cleaning device 5 moves to the center of the cleaning device 5 as compared to the center of gravity of the conventional cleaning device 22 shown in FIG. This movement of the center of gravity can prevent a phenomenon in which the hose 6 wraps around the back side of the cable 4 due to a turning force generated in the vicinity of the cleaning device 5 when the high-pressure water 9 is ejected.

図１に示した給水車１６から送られる高圧水９は、組み合わせにより中空円筒形を成す分割体２７に接続されている給水ホース６から分割体２７の内部に設けられた空胴部を水路１８として通り、後端部に設けられた噴出孔８から噴出される。この噴出孔８は、洗浄装置５本体の円周上に等間隔で複数個配置されている。水路１８を通った高圧水９は、噴出孔８から斜め前方に向かって噴出され、管路１内面に付着した錆や堆積物等の異物を除去する。   The high-pressure water 9 sent from the water supply vehicle 16 shown in FIG. 1 is connected to the hollow portion 18 provided in the divided body 27 from the water supply hose 6 connected to the divided body 27 having a hollow cylindrical shape by a combination. And is ejected from the ejection hole 8 provided at the rear end. A plurality of the ejection holes 8 are arranged at equal intervals on the circumference of the main body of the cleaning device 5. The high-pressure water 9 that has passed through the water channel 18 is ejected obliquely forward from the ejection hole 8 to remove foreign matters such as rust and deposits attached to the inner surface of the pipe 1.

また、分割体２７には複数個のスクレーパー１０が設けられている。このスクレーパー１０は、（１）及び（３）に示すように、洗浄装置５の周胴部２６に、千鳥に配列して設けられ、ボルト１２で固定されている。ボルト１２が固定された側の反対側である先端部は周胴部２６に接触しておらず、その先端部が凸状に構成されている。この先端部と管路１内面との間の密着性を高めると共に、管路１内面に付着した錆や堆積物等の異物を切削した後に生じる反発力を確保するため、例えば、一般構造用鋼材に比べて機械的性質に優れるバネ鋼材が用いられる。さらに、スクレーパー１０には、当該スクレーパー１０自体を補強するための補強リブ１１が設けられている。スクレーパー１０の先端部と管路１内面との間の密着性を高めることにより、異物を容易に切削することができ、さらに先端部から管路１内面への押力（管路１外へ向かう力）が生じるから、洗浄装置２２本体の回転を抑制することができる。これにより、ホースとケーブル４とが絡み合う現象を防止することができ、管路１内洗浄を効率的かつ容易に行うことができる。   The divided body 27 is provided with a plurality of scrapers 10. As shown in (1) and (3), the scrapers 10 are arranged in a staggered manner on the peripheral body portion 26 of the cleaning device 5 and fixed by bolts 12. The tip part opposite to the side to which the bolt 12 is fixed is not in contact with the peripheral body part 26, and the tip part is formed in a convex shape. In order to improve the adhesion between the tip and the inner surface of the pipe 1 and to secure the repulsive force generated after cutting foreign matter such as rust and deposits attached to the inner surface of the pipe 1, for example, a general structural steel material A spring steel material that is superior in mechanical properties compared to is used. Furthermore, the scraper 10 is provided with reinforcing ribs 11 for reinforcing the scraper 10 itself. By improving the adhesion between the tip of the scraper 10 and the inner surface of the pipe 1, foreign matter can be easily cut, and the pressing force from the tip to the inner surface of the pipe 1 (going out of the pipe 1). Force) is generated, the rotation of the main body of the cleaning device 22 can be suppressed. Thereby, the phenomenon in which the hose and the cable 4 are entangled can be prevented, and the cleaning of the inside of the pipe line 1 can be performed efficiently and easily.

（１）を参照して、洗浄装置５が進行方向である左へ移動すると、噴出孔８から高圧水９を噴射しつつ、スクレーパー１０の先端部が管路１内面に付着した錆や堆積物等の異物を切削する。この場合、スクレーパー１０はバネ鋼材が用いられているから、異物からの反発力を吸収することができる。   Referring to (1), when the cleaning device 5 moves to the left, which is the traveling direction, rust and deposits in which the tip of the scraper 10 adheres to the inner surface of the pipe line 1 while injecting high-pressure water 9 from the ejection holes 8. Cutting foreign matter such as In this case, since the scraper 10 is made of spring steel, it can absorb the repulsive force from the foreign matter.

このように、スクレーパー１０は、洗浄装置５の進行方向に対し、管路１内面全周に亘り、互い違いの２列に千鳥掛けに隙間無く配列するようにしたから、錆や堆積物等の異物を除去することが可能となり、高圧水９の噴出による洗浄を補完することが可能となる。   In this way, the scraper 10 is arranged in two staggered rows without any gaps in a staggered manner over the entire inner circumference of the pipe 1 with respect to the traveling direction of the cleaning device 5, so that foreign matter such as rust and deposits can be obtained. Can be removed, and the cleaning by the ejection of the high-pressure water 9 can be supplemented.

管路１に収容されているケーブル４は、マンホール３において洗浄装置５本体に予め抱き込ませて通しておく必要がある。この場合、高圧水９が影響して洗浄装置２２本体に亀裂を生ぜしめ、ケーブル４の外皮に高圧水９が直接作用しないように、半割り構造の防護管１３にてケーブル４を覆った後、洗浄装置５の２つの分割体２７−１，２７−２で抱き込み、ボルト接合にて２つの分割体２７−１，２７−２を一体化する。尚、半割り構造の防護管１３は、分割体２７−１，２７−２を一体化した洗浄装置５にボルト等で接合する。また、この半割り構造の防護管１３の先端は折り返し形状を成している。これにより、ケーブル４の外皮への高圧水９の作用を確実に防止することができる。   The cable 4 accommodated in the pipe line 1 needs to be embraced in advance in the main body of the cleaning device 5 in the manhole 3 and passed therethrough. In this case, after covering the cable 4 with the halved structure of the protective pipe 13 so that the high pressure water 9 affects the crack of the main body of the cleaning device 22 and the high pressure water 9 does not directly act on the outer skin of the cable 4. The two divided bodies 27-1 and 27-2 of the cleaning device 5 are held in, and the two divided bodies 27-1 and 27-2 are integrated by bolt joining. The half-structured protection tube 13 is joined to the cleaning device 5 in which the divided bodies 27-1 and 27-2 are integrated with a bolt or the like. Moreover, the tip of the half-structured protective tube 13 has a folded shape. Thereby, the action of the high-pressure water 9 on the outer skin of the cable 4 can be reliably prevented.

以上説明したように、本発明の実施例による洗浄装置５によれば、噴出孔８による高圧水９の噴射とスクレーパー１０による切削とを併用することにより、一層効果的な洗浄を実現することができる。また、洗浄装置５を中空円筒形２分割構造としたことから、ケーブル４を洗浄装置５本体の中央に位置させることができ、さらに、本体周胴部２６へスクレーパー１０を装着するようにしたことから、スクレーパー１０の先端部を管路１内面に密着させることができる。これにより、洗浄装置５本体の回転を抑制し、高圧水９を供給するためのホース６及び牽引ロープ７が既設ケーブル４の裏側に回り込むことがなくなる。   As described above, according to the cleaning device 5 according to the embodiment of the present invention, it is possible to realize more effective cleaning by using both the injection of the high-pressure water 9 through the ejection holes 8 and the cutting with the scraper 10. it can. In addition, since the cleaning device 5 has a hollow cylindrical two-part structure, the cable 4 can be positioned in the center of the main body of the cleaning device 5, and the scraper 10 is attached to the main body peripheral body portion 26. The tip of the scraper 10 can be brought into close contact with the inner surface of the pipe 1. Accordingly, the rotation of the main body of the cleaning device 5 is suppressed, and the hose 6 and the traction rope 7 for supplying the high-pressure water 9 do not go around to the back side of the existing cable 4.

また、半割り構造の防護管１３にケーブル４を通すことにより、噴出孔８から噴出される高圧水９によって、洗浄装置５本体に亀裂が入り、その亀裂から高圧水９が噴出したとしても、ケーブル４の外皮が傷つけられることはない。   Moreover, even if the high pressure water 9 ejected from the ejection hole 8 causes a crack in the cleaning device 5 body by passing the cable 4 through the protective pipe 13 having a halved structure, and the high pressure water 9 is ejected from the crack, The outer skin of the cable 4 is not damaged.

本発明の実施例による洗浄装置を用いて管内洗浄を行う場合の全体構成を説明するための模式図である。It is a schematic diagram for demonstrating the whole structure in the case of performing pipe | tube washing | cleaning using the washing | cleaning apparatus by the Example of this invention. 本発明の実施例による洗浄装置の概略構成を説明するための図である。It is a figure for demonstrating schematic structure of the washing | cleaning apparatus by the Example of this invention. 従来の洗浄装置の概略構成を説明するための概略図及び断面図である。It is the schematic and sectional drawing for demonstrating schematic structure of the conventional washing | cleaning apparatus.

符号の説明Explanation of symbols

１ 管路
２，３ マンホール
４ ケーブル
５，２２ 洗浄装置
６ 給水ホース
７ 牽引ロープ
８ 噴出孔
９ 高圧水
１０ スクレーパー
１１ 補強リブ
１２ ボルト
１３ 半割り構造の防護管
１４ ホース取り付け部
１５ 牽引ロープ取り付け部
１６ 給水車
１７ 電動ウィンチ
１８ 水路
１９ 反力受台
２０ 水中ポンプ
２１ 沈殿槽
２３ カバー
２４ 給水ホース取り付けロ
２５，２８ ケーブル収容部
２６ 周胴部
２７ 分割体 DESCRIPTION OF SYMBOLS 1 Pipe line 2,3 Manhole 4 Cable 5,22 Cleaning device 6 Water supply hose 7 Tow rope 8 Ejection hole 9 High pressure water 10 Scraper 11 Reinforcement rib 12 Bolt 13 Half-divided structure protection pipe 14 Hose attachment part 15 Tow rope attachment part 16 Water supply wheel 17 Electric winch 18 Water channel 19 Reaction force receiving base 20 Submersible pump 21 Sedimentation tank 23 Cover 24 Water supply hose attachment rod 25, 28 Cable housing part 26 Circumferential trunk part 27 Divided body

Claims (5)

ケーブルが布設された管路内にて、前端部に取り付けられたホースから送られる高圧水を、周胴部に設けられた噴出孔から噴出させて、前記管路内を洗浄する装置であって、
管路内面に付着した異物を切削するためのスクレーパーを前記周胴部に備えていることを特徴とする洗浄装置。 In the pipeline in which the cable is laid, the high pressure water sent from the hose attached to the front end portion is ejected from the ejection hole provided in the peripheral body portion, and the inside of the pipeline is cleaned,
A cleaning apparatus comprising a scraper for cutting foreign matter adhering to an inner surface of a pipe line in the peripheral body portion. 前記スクレーパーは、該洗浄装置の移動方向に対して、高圧水が噴出する噴出孔よりも前側に備えていることを特徴とする洗浄装置。   The said scraper is equipped with the front side rather than the ejection hole from which high pressure water ejects with respect to the moving direction of this washing | cleaning apparatus. 前記スクレーパーは、該洗浄装置の移動方向に対して千鳥掛けに２列に配置され、該スクレーパーの先端に設けられた凸部が弾性力により管内面に密着することを特徴とする請求項１または２に記載の洗浄装置。   The scraper is arranged in two rows in a staggered manner with respect to the moving direction of the cleaning device, and a convex portion provided at the tip of the scraper is in close contact with the inner surface of the tube by elastic force. 2. The cleaning apparatus according to 2. 前記管内に布設されたケーブルを該洗浄装置の中央部に通すための中空円筒形２分割体による構造を成し、該２分割体のそれぞれに、前記高圧水を送るためのホース取り付け口を備えていることを特徴とする請求項１から３までのいずれか一項に記載の洗浄装置。   A hollow cylindrical two-part structure for passing a cable installed in the pipe through the central portion of the cleaning device is formed, and a hose attachment port for feeding the high-pressure water is provided to each of the two parts. The cleaning apparatus according to any one of claims 1 to 3, wherein the cleaning apparatus is provided. 該洗浄装置の中央部に通されるケーブルを覆い、前記高圧水のケーブルへの作用を防止するための保護管を備えたことを特徴とする請求項４に記載の洗浄装置。   The cleaning apparatus according to claim 4, further comprising a protective tube that covers a cable passed through a central portion of the cleaning apparatus and prevents an action on the cable of the high-pressure water.
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014091098A (en) * 2012-11-05 2014-05-19 Kando:Kk Inner face cleaning device for existing pipe
CN110797805A (en) * 2019-11-02 2020-02-14 陈丹依 Auxiliary device is laid in municipal works cable pit
CN113714174A (en) * 2021-09-07 2021-11-30 重庆牧尚科技股份有限公司 Chain dust collector
CN114350479A (en) * 2021-12-30 2022-04-15 江苏金诺制药设备有限公司 Microorganism jar with sample sterilization apparatus

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62168585A (en) * 1986-01-21 1987-07-24 松田　信一 Cleaning device for pipe
JPS6375234U (en) * 1986-11-06 1988-05-19
JPH0260428U (en) * 1988-10-25 1990-05-02
JPH0631881U (en) * 1992-10-08 1994-04-26 株式会社クボタ Scraper for cleaning pipes
JP2005021799A (en) * 2003-07-01 2005-01-27 Meeshikku:Kk Inside-tube cleaner

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62168585A (en) * 1986-01-21 1987-07-24 松田　信一 Cleaning device for pipe
JPS6375234U (en) * 1986-11-06 1988-05-19
JPH0260428U (en) * 1988-10-25 1990-05-02
JPH0631881U (en) * 1992-10-08 1994-04-26 株式会社クボタ Scraper for cleaning pipes
JP2005021799A (en) * 2003-07-01 2005-01-27 Meeshikku:Kk Inside-tube cleaner

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014091098A (en) * 2012-11-05 2014-05-19 Kando:Kk Inner face cleaning device for existing pipe
CN110797805A (en) * 2019-11-02 2020-02-14 陈丹依 Auxiliary device is laid in municipal works cable pit
CN113714174A (en) * 2021-09-07 2021-11-30 重庆牧尚科技股份有限公司 Chain dust collector
CN114350479A (en) * 2021-12-30 2022-04-15 江苏金诺制药设备有限公司 Microorganism jar with sample sterilization apparatus

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