JP2011104552A - Apparatus for washing inner face of pipeline - Google Patents

Apparatus for washing inner face of pipeline Download PDF

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JP2011104552A
JP2011104552A JP2009264436A JP2009264436A JP2011104552A JP 2011104552 A JP2011104552 A JP 2011104552A JP 2009264436 A JP2009264436 A JP 2009264436A JP 2009264436 A JP2009264436 A JP 2009264436A JP 2011104552 A JP2011104552 A JP 2011104552A
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cleaning
head
pipeline
rotating
pipe
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Shinpei Takahashi
新平 高橋
Masahiro Takahashi
正浩 高橋
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Kubota Corp
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Kubota Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To provide an apparatus for washing the inner face of a pipeline which can increase the propelling power of a washing head part and does not interfere the washing function without damage even if the inner diameter of a branch pipe is small or the amount of deposited substances in the pipe is high. <P>SOLUTION: The washing apparatus includes a water supply hose 5 which is introduced into a pipeline 1 through a branch pipe 2 of the pipeline 1 from the outside of the pipeline 1; a washing head 30 installed at the tip end of the water supply hose 5 and set in transportable manner along the pipeline; a rotating part which is installed in the washing head 30 and rotates on the transportation direction as the axial center; and a washing brush 40 so implanted as to extend from the rotating part of the washing head 30 in the radius direction. The washing brush 40 is implanted spirally to the transportation direction of the washing head 30 and the spiral direction of the washing brush 40 is adjusted to be a backward feeding direction of a fluid in the pipeline 1 by rotating the washing brush 40. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

本発明は、上水道管路や下水道管路などの管路の内面を洗浄する管路内面の洗浄装置に関するものである。   The present invention relates to a cleaning device for an inner surface of a pipe that cleans the inner surface of a pipe such as a water supply pipe or a sewer pipe.

このような管路内面の洗浄装置として、特許文献１や特許文献２において提案されているものがある。その詳細を図６〜図９に基づいて説明する。
図６において、１は地中に埋設された水平方向の管路であって、上水道や下水道を構成しており、たとえばダクタイル鋳鉄製の多数の管を互いに接合することによって配管されている。管路１には、消火栓や空気弁などの付帯設備を取り付けるための上向きの分岐管２が設けられ、この分岐管２では、付帯設備を取り除くことによって、管路１の内外を連通させることができる。なお、消火栓や空気弁などの付帯設備が取り付けられている分岐管２は内径がほぼ決まっている（例えば、呼び径が７５の場合には、内径が７５ｍｍのものと、内径が６５ｍｍのものとの２つの種類がある。）。一方、管路１（いわゆる本管）の内径は同等（例えば、内径７５ｍｍ）のものから、極めて大径（例えば、内径３５０ｍｍやそれ以上）のものなどがある。 As such an apparatus for cleaning the inner surface of a pipe line, there are those proposed in Patent Document 1 and Patent Document 2. Details thereof will be described with reference to FIGS.
In FIG. 6, reference numeral 1 denotes a horizontal pipe buried in the ground, which constitutes a water supply or a sewer, and is piped by joining a number of ductile cast iron pipes together. The pipe 1 is provided with an upward branch pipe 2 for attaching auxiliary equipment such as a fire hydrant and an air valve. In this branch pipe 2, the inside and outside of the pipe 1 can be communicated by removing the auxiliary equipment. it can. Note that the inner diameter of the branch pipe 2 to which ancillary equipment such as a fire hydrant and an air valve is attached is almost fixed (for example, when the nominal diameter is 75, the inner diameter is 75 mm and the inner diameter is 65 mm. There are two types.). On the other hand, the inner diameter of the pipe line 1 (so-called main pipe) may be the same (for example, an inner diameter of 75 mm) or an extremely large diameter (for example, an inner diameter of 350 mm or more).

３は洗浄装置で、管路１に導入されるヘッド部４と、このヘッド部４へ高圧水を供給するための水供給ホース５と、高圧水の供給源としての高圧水供給装置６などを有する。高圧水供給装置６は、管路１の外部に設けられ、高圧水供給ポンプ６ａやタンク６ｂなどを備えることによって、この高圧水供給装置６から繰り出される水供給ホース５を介してヘッド部４へ高圧水を供給可能である。７は送り込み装置で、この送り込み装置７は、管路１の外部に設けられ、水供給ホース５を挟み込み可能な一対のローラ８Ａ、８Ｂを有し、これらのローラ８Ａ、８Ｂによって、水供給ホース５に、管路１内への送り込み力や、管路１からの取り出し力や、制動力を作用させることができるように構成されている。   Reference numeral 3 denotes a cleaning device, which includes a head portion 4 introduced into the pipe line 1, a water supply hose 5 for supplying high-pressure water to the head portion 4, a high-pressure water supply device 6 as a high-pressure water supply source, and the like. Have. The high-pressure water supply device 6 is provided outside the pipeline 1 and includes a high-pressure water supply pump 6a, a tank 6b, and the like, so that the high-pressure water supply device 6 is supplied to the head unit 4 via the water supply hose 5 fed out from the high-pressure water supply device 6. High pressure water can be supplied. Reference numeral 7 denotes a feeding device. The feeding device 7 has a pair of rollers 8A and 8B which are provided outside the pipe line 1 and can sandwich the water supply hose 5. The water supply hose is provided by these rollers 8A and 8B. 5, the feeding force into the pipe line 1, the taking-out force from the pipe line 1, and the braking force can be applied.

図７〜図９は、ヘッド部４の詳細構造を示す。このヘッド部４は、第１のヘッド１１と第２のヘッド１２との間に、周方向に複数の弾性板状の弓形のブラシ支持部１３がかけわたされ、このブラシ支持部１３の中央部に洗浄具としての洗浄ブラシ１４が植設されている。第１のヘッド１１における周方向に沿った複数の位置には、この第１のヘッド１１の接線方向かつ第１のヘッド１１から後方へ向かう斜め方向に延びる噴出孔１５が形成されている。   7 to 9 show the detailed structure of the head unit 4. In the head portion 4, a plurality of elastic plate-shaped arc-shaped brush support portions 13 are stretched between the first head 11 and the second head 12 in the circumferential direction. A cleaning brush 14 is installed as a cleaning tool. At a plurality of positions along the circumferential direction in the first head 11, ejection holes 15 extending in a tangential direction of the first head 11 and in an oblique direction from the first head 11 to the rear are formed.

これにより、水供給ホース５から第１のヘッド１１にたとえば高圧水１６が供給されると、この高圧水１６は、噴出孔１５から第１のヘッド１１の接線方向かつ斜め後ろの方向に噴出される。この噴出孔１５からの高圧水１６の噴出力によって、第１のヘッド１１に、回転力と前方への推進力とが付与される。   As a result, when, for example, high-pressure water 16 is supplied from the water supply hose 5 to the first head 11, the high-pressure water 16 is ejected from the ejection hole 15 in the tangential direction and obliquely behind the first head 11. The Due to the jet output of the high-pressure water 16 from the jet hole 15, rotational force and forward propulsive force are applied to the first head 11.

このような構成において、管路１の内面を洗浄する際には、管路１における洗浄区間の上流側仕切弁と下流側仕切弁とを閉じ、次に分岐管２から消火栓や空気弁などを取り外して、図１０に示すように、ブラシ支持部１３を手で掴んでヘッド部４の外径を小さくした状態で分岐管２に挿入し、この分岐管２を通して管路１の内部に洗浄装置３のヘッド部４とそれに接続された水供給ホース５とを挿入する。   In such a configuration, when cleaning the inner surface of the pipe line 1, the upstream gate valve and the downstream gate valve of the cleaning section in the pipe line 1 are closed, and then a fire hydrant, an air valve, etc. are connected from the branch pipe 2. As shown in FIG. 10, the brush support portion 13 is grasped by hand and inserted into the branch pipe 2 with the outer diameter of the head portion 4 reduced, and the cleaning device is inserted into the pipe line 1 through the branch pipe 2. 3 head part 4 and the water supply hose 5 connected to it are inserted.

次に、高圧水供給装置６から水供給ホース５を介してヘッド部４に高圧水１６を供給する。すると、この高圧水１６は、噴出孔１５から外部へ噴出される。この高圧水１６が噴出孔１５を形成する壁面に当接して付与する力により、第１のヘッド１１とブラシ支持部１３と第２のヘッド１２とに一体に回転力が与えられるとともに、ヘッド部４に前向きの推進力が作用する。すると、ヘッド部４は、洗浄ブラシ１４を管路１の内面に押し付けながら回転するととともに前方へ移動し、これによって管路１の内面の洗浄が行われる。   Next, high pressure water 16 is supplied from the high pressure water supply device 6 to the head unit 4 through the water supply hose 5. Then, the high-pressure water 16 is ejected from the ejection hole 15 to the outside. The high-pressure water 16 abuts against the wall surface forming the ejection hole 15 to apply a rotational force to the first head 11, the brush support portion 13, and the second head 12, and the head portion. 4 has a positive driving force. Then, the head unit 4 rotates while pressing the cleaning brush 14 against the inner surface of the pipe line 1 and moves forward, whereby the inner surface of the pipe line 1 is cleaned.

このようにして洗浄作業を実施し、ヘッド部４が管路１における洗浄区間の終端部に到達したなら、水供給ホース５の送り動作を停止するとともに高圧水供給装置６も停止し、分岐部２から水供給ホース５を全長にわたって引き抜き、ヘッド部４も管路１の外に引き戻して、洗浄作業を終了する。最後に、洗浄区間のフラッシングを行うことにより、洗浄作業によって管路１の内面から剥離した付着物などを管路１の中から排出して、全作業を終了する。   When the cleaning operation is performed in this manner and the head portion 4 reaches the end of the cleaning section in the pipe line 1, the feeding operation of the water supply hose 5 is stopped and the high-pressure water supply device 6 is also stopped, and the branching portion The water supply hose 5 is pulled out from 2 over the entire length, and the head portion 4 is also pulled out of the pipe line 1 to finish the cleaning operation. Finally, by flushing the cleaning section, the deposits and the like peeled off from the inner surface of the pipe line 1 by the cleaning work are discharged from the pipe line 1 and the whole work is finished.

特開２００６−１９２３９５号公報JP 2006-192395 A 特開２００６−３１４９２６号公報JP 2006-314926 A

しかしながら、上記のような従来の洗浄装置では、高圧水１６が噴出孔１５を形成する壁面に当接して付与する力だけでヘッド部４を推進させているため、洗浄対象となる管路１が長くて、ヘッド部４に取り付けている水供給ホース５の重量が大きくなった際に、推進力が足りなくなって、人手によってヘッド部４を管路１内に押し込まなければならなくなることがあり、多くの手間や時間が必要となる課題があった。   However, in the conventional cleaning apparatus as described above, since the head portion 4 is propelled only by the force applied by the high-pressure water 16 in contact with the wall surface forming the ejection holes 15, the pipe line 1 to be cleaned is When the weight of the water supply hose 5 attached to the head part 4 is long and becomes heavy, the propulsive force may be insufficient, and the head part 4 may have to be pushed into the pipe line 1 manually. There were problems that required a lot of labor and time.

また、従来の洗浄装置では、ヘッド部４が、第１のヘッド１１と第２のヘッド１２との間に複数の弾性板状の弓形のブラシ支持部１３がかけわたされた構造であり、ブラシ支持部１３して比較的長い寸法を必要とするとともに、強度的に弱い構造、特に、ブラシ支持部１３を折り曲げる方向に力が作用すると塑性変形しやすい構造である。そのために、図１１（ａ）に示すように、分岐管２から管路１に接続されている箇所でヘッド部４の方向を変更する際に、管路１への挿入が困難となったり（この傾向は、分岐管２が小さい内径の場合（例えば内径が６５ｍｍの場合）に顕著となる）、ブラシ支持部１３が折れ曲がってしまうなどしてヘッド部４が損傷し、洗浄機能を発揮できなくなったりする課題もある。   Further, in the conventional cleaning apparatus, the head unit 4 has a structure in which a plurality of elastic plate-shaped arc-shaped brush support units 13 are sandwiched between the first head 11 and the second head 12, and the brush The support portion 13 requires a relatively long size and is weak in strength. In particular, it is a structure that is easily plastically deformed when a force is applied in a direction in which the brush support portion 13 is bent. Therefore, as shown in FIG. 11 (a), when the direction of the head part 4 is changed at a location where the branch pipe 2 is connected to the pipe line 1, insertion into the pipe line 1 becomes difficult ( This tendency becomes remarkable when the branch pipe 2 has a small inner diameter (for example, when the inner diameter is 65 mm), and the head support 4 is damaged due to bending of the brush support portion 13 and the cleaning function cannot be exhibited. There is also a problem.

さらに、管路１は長期使用により、図１１（ｂ）に示すように、その内面に錆こぶなどの付着物１７を生じることがあり、この錆こぶなどの付着物１７の量があまり多くない場合には、ヘッド部４は支障なく管路１内を通過することができる。がしかし、図１１（ｃ）に示すように、錆こぶなどの付着物１７の量が多い場合には、ヘッド部４の先端などが付着物１７に接触した際に、ブラシ支持部１３が折れ曲がるなどして塑性変形したり損傷したりし、この場合には洗浄機能を発揮できなくなる。   Furthermore, as shown in FIG. 11 (b), the pipe line 1 may cause a deposit 17 such as a rust hump on its inner surface as shown in FIG. 11B, and the amount of the deposit 17 such as a rust hump is not so large. In some cases, the head part 4 can pass through the pipe line 1 without hindrance. However, as shown in FIG. 11 (c), when the amount of the deposit 17 such as rust is large, the brush support portion 13 bends when the tip of the head portion 4 contacts the deposit 17. In this case, the cleaning function cannot be exhibited.

本発明は上記課題を解決するもので、洗浄ヘッド部分の推進力を大きくすることができ、また、分岐管が小さい内径の場合や管内の付着物の量が多い場合でも、損傷することが最小限に抑えられて、洗浄機能に支障をきたすことがない管路内面の洗浄装置を提供することを目的とするものである。   The present invention solves the above-mentioned problems, and can increase the driving force of the cleaning head portion. Further, even when the branch pipe has a small inner diameter or a large amount of deposits in the pipe, the damage is minimized. It is an object of the present invention to provide a cleaning device for the inner surface of a pipe line that is limited to the limit and does not impair the cleaning function.

上記課題を解決するために、本発明は、管路の内面を洗浄する洗浄装置であって、管路外から管路の分岐管を介して管路内に導入される水供給ホースと、前記水供給ホースの先端に設けられ、管路に沿って移送可能な状態で配設される洗浄ヘッドと、前記洗浄ヘッドに設けられ、移送方向を軸心として回転する回転部と、前記洗浄ヘッドの回転部に設けられ、前記回転部から半径方向に延びるように植設された洗浄ブラシとを備え、前記洗浄ブラシが洗浄ヘッドの移送方向に対して螺旋状となるように植設され、前記洗浄ブラシの螺旋状の向きが、前記洗浄ブラシを回転させることにより管路内の流体が後方に送り出される方向であることを特徴とする。   In order to solve the above-mentioned problem, the present invention is a cleaning device for cleaning the inner surface of a pipeline, the water supply hose introduced from the outside of the pipeline into the pipeline through the branch pipe, A cleaning head provided at the tip of a water supply hose and arranged in a state that can be transferred along a pipe line, a rotating unit that is provided in the cleaning head and rotates about the transfer direction as an axis, A cleaning brush which is provided in the rotating part and is implanted so as to extend in a radial direction from the rotating part, and the cleaning brush is implanted so as to be spiral with respect to a transfer direction of the cleaning head, and the cleaning The spiral direction of the brush is a direction in which the fluid in the pipe is sent backward by rotating the cleaning brush.

この構成により、洗浄ブラシが回転されることにより、管路内の水や管路の内壁面を後方に送り出す力が発生し、これにより洗浄ヘッドに推進力が作用する。したがって、洗浄対象となる管路が長い場合でも、人手によって洗浄ヘッドを管路内に押し込まなくても済む。   With this configuration, when the cleaning brush is rotated, a force for feeding water in the pipeline or the inner wall surface of the pipeline backward is generated, and a propulsive force acts on the cleaning head. Therefore, even when the pipe line to be cleaned is long, it is not necessary to manually push the cleaning head into the pipe line.

また、本発明は、回転部に筒状で金属製の回転パイプ体が設けられ、前記回転パイプ体に対して螺旋状に洗浄ブラシが植設されたことを特徴とする。
この構成により、洗浄ヘッドを、剛性が大きくて強い金属製の回転パイプ体と、この回転パイプ体に植設された柔軟性を有する洗浄ブラシとで構成することができ、分岐管から管路に接続されている箇所でも、前記回転パイプ体がこの箇所を通過できる寸法に設定することで、回転パイプ体が折れ曲がってしまうなどして洗浄ヘッドが損傷することを防止できる。また、管路の内面に錆こぶなどの付着物が多く付着しており、前記付着物が前記回転パイプ体に接触した場合でも、前記回転パイプ体が折れ曲がることが殆どなくなり、洗浄機能を良好に維持できる。さらに、洗浄ブラシは前記回転パイプ体に対して螺旋状に植設されているので、前記回転パイプ体を長尺にしなくても支障をきたさず、この結果、分岐管から管路に接続されている箇所や、管路の内面に錆こぶなどの付着物が多く付着している箇所でも支障なく通過できる形状に前記回転パイプ体を形成し易い。 Further, the present invention is characterized in that a cylindrical metal rotating pipe body is provided in the rotating portion, and a cleaning brush is implanted in a spiral shape with respect to the rotating pipe body.
With this configuration, the cleaning head can be configured with a metal rotating pipe body having high rigidity and strength, and a cleaning brush having flexibility embedded in the rotating pipe body, from the branch pipe to the pipeline. By setting the rotating pipe body to a dimension that allows the rotating pipe body to pass through the connected portion, it is possible to prevent the cleaning head from being damaged by bending the rotating pipe body. Moreover, there are many deposits such as rust humps on the inner surface of the pipe line, and even when the deposits come into contact with the rotating pipe body, the rotating pipe body is hardly bent and the cleaning function is improved. Can be maintained. Furthermore, since the cleaning brush is spirally implanted with respect to the rotating pipe body, there is no problem even if the rotating pipe body is not long, and as a result, the branch pipe is connected to the pipeline. It is easy to form the rotating pipe body in a shape that can pass without trouble even at locations where there is a lot of deposits such as rust humps on the inner surface of the pipe line.

また、本発明は、前記洗浄ヘッドの回転部の一部に、水供給ホースから供給される水を、半径方向に対して傾斜する方向に噴出させる噴出孔が形成され、この噴出孔が水から受ける力により回転部が回転することを特徴とする。   According to the present invention, a jet hole for jetting water supplied from a water supply hose in a direction inclined with respect to the radial direction is formed in a part of the rotating portion of the cleaning head. The rotating portion is rotated by the force received.

また、本発明は、噴出孔が回転部から後ろ向きに噴出するように形成され、噴出孔が水から受ける力によっても前方に移送される構成としたことを特徴とする。これにより、噴出孔が水から受ける力によっても前方に移送される推進力が発生し、洗浄ブラシの回転に伴う推進力と合わされて洗浄ヘッドが推進される。   Further, the present invention is characterized in that the ejection hole is formed so as to eject backward from the rotating portion, and the ejection hole is transferred forward also by a force received from water. As a result, a propulsive force that is transferred forward is generated also by the force that the ejection hole receives from the water, and is combined with the propulsive force that accompanies the rotation of the cleaning brush to propel the cleaning head.

以上のように本発明によれば、管路内面を洗浄する洗浄ブラシが洗浄ヘッドの移送方向に対して螺旋状となるように植設したことにより、この洗浄ブラシの回転が回転されることにより、管路内の水や管路の内壁面を後方に送り出す力が発生し、これにより洗浄ヘッドに推進力が作用する。したがって、洗浄対象となる管路が長い場合でも、人手によって洗浄ヘッドを管路内に押し込まなくても済み、多くの手間や時間をかけなくて済む。   As described above, according to the present invention, the cleaning brush for cleaning the inner surface of the pipe line is installed so as to be spiral with respect to the transfer direction of the cleaning head, so that the rotation of the cleaning brush is rotated. A force is generated to feed water in the pipe and the inner wall surface of the pipe to the rear, whereby a driving force acts on the cleaning head. Therefore, even when the pipe line to be cleaned is long, it is not necessary to manually push the cleaning head into the pipe line, and much time and effort are not required.

また、本発明によれば、洗浄ブラシの支持部分を金属製の回転パイプ体で構成したので、分岐管から管路に接続されている箇所や、管路の内面に錆こぶなどの付着物が多く付着している箇所でも、回転パイプ体が折れ曲がるなどして損傷することは無く、洗浄機能を良好に維持できる。さらに、洗浄ブラシは前記回転パイプ体に対して螺旋状に植設されているので、前記回転パイプ体を長尺にしなくても支障をきたさず、この結果、分岐管から管路に接続されている箇所や、管路の内面に錆こぶなどの付着物が多く付着している箇所でも支障なく通過できる形状に前記回転パイプ体を形成し易い利点を有する。   In addition, according to the present invention, since the support portion of the cleaning brush is made of a metal rotating pipe body, there are places such as rust humps on locations where the branch pipe is connected to the pipe line and on the inner surface of the pipe line. Even in the case where many adhere, the rotating pipe body is not damaged by bending or the like, and the cleaning function can be maintained well. Furthermore, since the cleaning brush is spirally implanted with respect to the rotating pipe body, there is no problem even if the rotating pipe body is not long, and as a result, the branch pipe is connected to the pipeline. There is an advantage that the rotating pipe body can be easily formed into a shape that can pass without trouble even in places where there are many deposits such as rust humps on the inner surface of the pipe line.

本発明の実施の形態に係る管路内面の洗浄装置の概略構成を示す図である。It is a figure which shows schematic structure of the washing | cleaning apparatus of the pipe inner surface which concerns on embodiment of this invention. 同洗浄装置を管路内に導入する様子を示す図である。It is a figure which shows a mode that the same washing | cleaning apparatus is introduced in a pipe line. 同洗浄装置の洗浄ヘッドの斜視図である。It is a perspective view of the washing head of the washing device. 同洗浄ヘッドの縦断面正面図である。It is a longitudinal cross-sectional front view of the same washing head. 同洗浄ヘッドの縦断面側面図である。It is a longitudinal cross-sectional side view of the same washing head. 従来の管路内面の洗浄装置の概略構成を示す図である。It is a figure which shows schematic structure of the washing | cleaning apparatus of the conventional pipeline inner surface. 同従来の洗浄装置におけるヘッド部の斜視図である。It is a perspective view of the head part in the conventional cleaning apparatus. 同従来の洗浄装置におけるヘッド部の縦断面正面図である。It is a longitudinal cross-sectional front view of the head part in the conventional cleaning apparatus. 同従来の洗浄装置におけるヘッド部の縦断面側面図である。It is a longitudinal cross-sectional side view of the head part in the conventional cleaning apparatus. 同従来の洗浄装置におけるヘッド部を挿入する状態を示す図である。It is a figure which shows the state which inserts the head part in the conventional cleaning apparatus. （ａ）〜（ｃ）はそれぞれ同従来の洗浄装置におけるヘッド部を挿入する状態を簡略的に示す図である。(A)-(c) is a figure which shows simply the state which inserts the head part in the conventional cleaning apparatus, respectively.

以下、本発明の実施の形態に係る管路内面の洗浄装置を図面に基づき説明する。なお、上述した第１、第２の従来の洗浄方法で説明した構成要素と同様な機能の構成要素には同符号を付す。   Hereinafter, a pipe inner surface cleaning apparatus according to an embodiment of the present invention will be described with reference to the drawings. In addition, the same code | symbol is attached | subjected to the component of the function similar to the component demonstrated by the 1st, 2nd conventional cleaning method mentioned above.

図１において、１は地中に埋設された水平方向の管路であって、上水道や下水道を構成しており、たとえばダクタイル鋳鉄製の多数の管を互いに接合することによって配管されている。管路１には、消火栓や空気弁などの付帯設備を取り付けるための上向きの分岐管２が設けられ、この分岐管２では、付帯設備を取り除くことによって、管路１の内外を連通させることができる。なお、消火栓や空気弁などの付帯設備が取り付けられている分岐管２は内径がほぼ決まっている（例えば、呼び径が７５の場合には、内径が７５ｍｍのものと、内径が６５ｍｍのものとの２つの種類がある。）。一方、管路１（いわゆる本管）の内径は同等（例えば、内径７５ｍｍ）のものから、極めて大径（例えば、内径３５０ｍｍやそれ以上）のものなどがある。   In FIG. 1, reference numeral 1 denotes a horizontal pipe buried in the ground, which constitutes a water supply and a sewer, and is piped by joining a number of ductile cast iron pipes together. The pipe 1 is provided with an upward branch pipe 2 for attaching auxiliary equipment such as a fire hydrant and an air valve. In this branch pipe 2, the inside and outside of the pipe 1 can be communicated by removing the auxiliary equipment. it can. Note that the inner diameter of the branch pipe 2 to which ancillary equipment such as a fire hydrant and an air valve is attached is almost fixed (for example, when the nominal diameter is 75, the inner diameter is 75 mm and the inner diameter is 65 mm. There are two types.). On the other hand, the inner diameter of the pipe line 1 (so-called main pipe) may be the same (for example, an inner diameter of 75 mm) or an extremely large diameter (for example, an inner diameter of 350 mm or more).

２０は洗浄装置で、管路１外から管路１の分岐管２を介して管路１に導入（挿入）され、たとえば高圧水１６が供給される水供給ホース５と、水供給ホース５の先端に設けられ、管路１の内部において分岐管２の先端の開口から挿入されて管路１の軸心方向に沿って移送可能な状態で配設される洗浄ヘッド３０と、高圧水の供給源としての高圧水供給装置６などを有する。高圧水供給装置６は、管路１の外部に設けられ、高圧水供給ポンプ６ａやタンク６ｂなどを備えることによって、この高圧水供給装置６から繰り出される水供給ホース５を介して洗浄ヘッド３０へ高圧水を供給可能である。７は送り込み装置で、管路１の外部に設けられ、水供給ホース５を挟み込み可能な一対のローラ８Ａ、８Ｂを有し、これらのローラ８Ａ、８Ｂによって、水供給ホース５に、管路１内への送り込み力や、管路１からの取り出し力や、制動力を作用させることができるように構成されている。   Reference numeral 20 denotes a cleaning device, which is introduced (inserted) into the pipeline 1 from the outside of the pipeline 1 via the branch pipe 2 of the pipeline 1. For example, a water supply hose 5 to which high-pressure water 16 is supplied, A cleaning head 30 which is provided at the tip, is inserted from the opening of the tip of the branch pipe 2 inside the pipe 1 and is transportable along the axial direction of the pipe 1, and supply of high-pressure water It has a high-pressure water supply device 6 as a source. The high-pressure water supply device 6 is provided outside the pipe line 1 and includes a high-pressure water supply pump 6a, a tank 6b, and the like, so that the high-pressure water supply device 6 is supplied to the cleaning head 30 via the water supply hose 5 fed out from the high-pressure water supply device 6. High pressure water can be supplied. A feeding device 7 is provided outside the pipeline 1 and has a pair of rollers 8A and 8B that can sandwich the water supply hose 5. The rollers 8A and 8B connect the water supply hose 5 to the pipeline 1 It is comprised so that the infeed force, the taking-out force from the pipe line 1, and the braking force can be applied.

図２〜図４は、洗浄ヘッド３０の構造を示す。これらの図に示すように、洗浄ヘッド３０は、高圧水供給ポンプ６ａの先端に取り付けられて通水路３１ａなどを有する基台部３１と、基台部３１にラジアル軸受３２、３３およびスラスト軸受３４を介して軸心３５の回りに回転自在に配設され、第１の回転ヘッド部３６、第２の回転ヘッド部３７、回転パイプ体３８などを有する回転部３９と、回転部３６の回転パイプ体３８から半径方向に延びるように（放射状に）植設された洗浄ブラシ４０とを備えている。   2 to 4 show the structure of the cleaning head 30. As shown in these drawings, the cleaning head 30 includes a base 31 having a water passage 31a attached to the tip of the high-pressure water supply pump 6a, and radial bearings 32 and 33 and a thrust bearing 34 on the base 31. And a rotary part 39 that is rotatably arranged around the axis 35 and includes a first rotary head part 36, a second rotary head part 37, a rotary pipe body 38, and the like, and a rotary pipe of the rotary part 36 And a cleaning brush 40 (radially) implanted so as to extend in a radial direction from the body 38.

図２に示すように、回転部３９は、ラジアル軸受３２、３３の外周側に第１の回転ヘッド部３６が外嵌されているとともに、第１の回転ヘッド部３６と、この第１の回転ヘッド部３６の前方に配設される第２の回転ヘッド部３７とが複数の連結材４２で連結され、連結材４２を外装する姿勢で、第１の回転ヘッド部３６と第２の回転ヘッド部３７との間に、洗浄ブラシ４０が植設された回転パイプ体３８が配設された構成とされている。第１の回転ヘッド部３６は、略円筒形のブロック体から形成されて、基台部３１の通水路３１ａを介して導入された水を外部に噴出する噴出孔４１が複数（図４に示すものにおいては４箇所）形成されている。ここで、図２および図４に示すように、噴出孔４１は第１の回転ヘッド部３６において、斜め後方へ、かつ外周側に広がる向きで、さらに第１の回転ヘッド部３６の外周面に接する接線方向側に傾斜されて形成されている。これにより、水供給ホース５から第１の回転ヘッド部３６に例えば高圧水１６が供給された際に、高圧水１６が、噴出孔４１から第１の回転ヘッド部３６の接線方向側かつ斜め後ろの方向に噴出される。この噴出孔４１からの高圧水１６の噴出力（高圧水１６が噴出孔４１を形成する壁面に当接して付与する力）によって、第１の回転ヘッド部３６に、回転力と前方への推進力とが付与され、この結果、第１の回転ヘッド部３６が設けられている回転部３９と、洗浄ブラシ４０とに、回転力と前方への推進力とが付与される。   As shown in FIG. 2, the rotating portion 39 includes a first rotating head portion 36 that is fitted on the outer peripheral side of the radial bearings 32 and 33, and the first rotating head portion 36 and the first rotating head 36. The first rotary head unit 36 and the second rotary head are arranged in such a manner that the second rotary head unit 37 disposed in front of the head unit 36 is connected by a plurality of connecting members 42 and the connecting members 42 are sheathed. A rotating pipe body 38 in which a cleaning brush 40 is implanted is disposed between the portion 37 and the portion 37. The first rotary head portion 36 is formed from a substantially cylindrical block body, and has a plurality of ejection holes 41 (shown in FIG. 4) for ejecting water introduced through the water passage 31a of the base portion 31 to the outside. 4 points are formed. Here, as shown in FIG. 2 and FIG. 4, the ejection hole 41 extends obliquely rearward and outward in the first rotary head portion 36, and further on the outer peripheral surface of the first rotary head portion 36. It is formed so as to be inclined toward the tangential side in contact. Accordingly, when, for example, high-pressure water 16 is supplied from the water supply hose 5 to the first rotary head portion 36, the high-pressure water 16 is tangentially and obliquely behind the first rotary head portion 36 from the ejection hole 41. Erupted in the direction of. Due to the jet output of the high-pressure water 16 from the jet holes 41 (force applied by the high-pressure water 16 in contact with the wall surface forming the jet holes 41), the first rotary head portion 36 is propelled forward and forward. As a result, a rotational force and a forward propulsive force are applied to the rotating portion 39 provided with the first rotating head portion 36 and the cleaning brush 40.

なお、この実施の形態では、第１の回転ヘッド部３６と第２の回転ヘッド部３７とを連結する連結材４２は、後部寄り部分が屈曲された（詳しくは、屈曲されることで、後部以外の部分が洗浄ヘッド３０の軸心３５に近接して沿う姿勢に配設された）金属板が、第１の回転ヘッド部３６の外周面の複数箇所に（この実施の形態では、９０度間隔で４箇所に）その後部で取り付けられ、この連結材４２の先端に、第２の回転ヘッド部３７が取り付けられている。第２の回転ヘッド部３７は、連結材４２の先端部にねじにより固定された第２回転ヘッド本体部４３と、この第２回転ヘッド本体部４３にねじ付けられた第２回転ヘッド先頭部４４とからなる。なお、図２における４５は、連結材４２の屈曲部近傍箇所および回転パイプ体３８の後端部をねじなどで連結する中間連結材である。   In this embodiment, the connecting member 42 for connecting the first rotary head portion 36 and the second rotary head portion 37 has a bent portion near the rear portion (specifically, the rear portion is obtained by being bent). Metal plates (other than those arranged in a posture along the axis 35 close to the cleaning head 30) are disposed at a plurality of locations on the outer peripheral surface of the first rotary head 36 (in this embodiment, 90 degrees). The second rotary head portion 37 is attached to the distal end of the connecting member 42 at four positions (at four intervals). The second rotary head portion 37 includes a second rotary head main body portion 43 fixed to the distal end portion of the connecting member 42 with a screw, and a second rotary head head portion 44 screwed to the second rotary head main body portion 43. It consists of. Note that 45 in FIG. 2 is an intermediate connecting member that connects the vicinity of the bent portion of the connecting member 42 and the rear end portion of the rotating pipe body 38 with a screw or the like.

そして、連結材４２の外側（詳しくは、連結材４２における第２回転ヘッド本体部４３への取付け部分から、中間連結材４５への取付け部分にかけての箇所）に、細径、筒状で金属製の回転パイプ体３８が外装され、この回転パイプ体３８の外周面に沿って、洗浄ブラシ４０の根元をかしめて係止している固着用チューブ４５が溶接などにより固着されている。ここで特に、固着用チューブ４５は、回転パイプ体３８の外周面において、洗浄ヘッド４０の移送方向に対して螺旋状となる姿勢で固着されており、これにより、洗浄ブラシ４０が洗浄ヘッド３０の移送方向に対して螺旋状となる姿勢で植設されている。そしてこの洗浄ブラシ４０の螺旋状の向きは、洗浄ブラシ４０を回転させることにより管路１内の流体である水が後方に送り出される方向とされている。   Further, on the outside of the connecting member 42 (specifically, the portion from the attachment portion of the connecting member 42 to the second rotary head main body 43 to the attachment portion of the intermediate connecting member 45), a small diameter, tubular metal The rotating pipe body 38 is packaged, and a fixing tube 45 that is caulked and locked at the base of the cleaning brush 40 is fixed along the outer peripheral surface of the rotating pipe body 38 by welding or the like. Here, in particular, the fixing tube 45 is fixed on the outer peripheral surface of the rotating pipe body 38 in a spiral shape with respect to the transfer direction of the cleaning head 40, whereby the cleaning brush 40 is attached to the cleaning head 30. It is planted in a spiral posture with respect to the transfer direction. The spiral direction of the cleaning brush 40 is a direction in which water, which is a fluid in the pipe 1, is sent backward by rotating the cleaning brush 40.

上記構成において、管路１の内面を洗浄する際には、管路１における洗浄区間の上流側仕切弁と下流側仕切弁とを閉じて、洗浄区間を断水状態とした後に、洗浄区間の一端部に配設されている箇所の消火栓などの付帯設備が取り付けられている分岐管２から、前記付帯設備を取り外し、回転パイプ体３８を手で掴むなどしながら分岐管２に洗浄ヘッド３０を挿入し、分岐管２を通して管路１の内部に洗浄装置２０の洗浄ヘッド３０とそれに接続された水供給ホース５とを導入（挿入）する。   In the above configuration, when cleaning the inner surface of the pipe line 1, the upstream gate valve and the downstream gate valve of the cleaning section in the pipe line 1 are closed and the cleaning section is shut off, then one end of the cleaning section The cleaning head 30 is inserted into the branch pipe 2 while removing the auxiliary equipment from the branch pipe 2 to which the auxiliary equipment such as a fire hydrant is attached at the part and holding the rotating pipe body 38 by hand. Then, the cleaning head 30 of the cleaning device 20 and the water supply hose 5 connected thereto are introduced (inserted) into the pipe line 1 through the branch pipe 2.

この場合に、洗浄装置２０の洗浄ヘッド３０として、金属製の回転パイプ体３８に洗浄ブラシ４０を植設させた構成としており、回転パイプ体３８が十分な剛性を有するので、図５に示すように、分岐管２から管路１に接続されている箇所でも、回転パイプ体３８が折れ曲がってしまうなどして洗浄ヘッド３０が損傷することはなく、後の洗浄作業に支障をきたすことはない。   In this case, the cleaning head 30 of the cleaning apparatus 20 is configured such that the cleaning brush 40 is implanted in the metal rotary pipe body 38. Since the rotary pipe body 38 has sufficient rigidity, as shown in FIG. In addition, the cleaning head 30 is not damaged even if it is connected from the branch pipe 2 to the pipe line 1 because the rotating pipe body 38 is bent, and the subsequent cleaning operation is not hindered.

この後、洗浄ヘッド３０を管路１の洗浄区間に導入した段階で、高圧水供給装置６から水供給ホース５を通して洗浄ヘッド３０に高圧水を供給し、噴出孔４１から水を噴出させる。すると、噴出孔４１からの高圧水１６の噴出力によって、洗浄ヘッド３０の推進力と、回転部３９および洗浄ブラシ４０への回転力とが付与される。ここで、洗浄ヘッド３０には、洗浄ブラシ４０が洗浄ヘッド３０の移送方向に対して螺旋状となるように植設されているので、この洗浄ブラシ４０が回転されることにより、管路１内に溜まった水を後方に送り出す力や、管路１の内壁面に洗浄ブラシ４０が接触して洗浄ヘッド３０を前方に送り出す力が発生し、これらにより洗浄ヘッド３０に対して前方に移送させる推進力が発生する。このように、洗浄ヘッド３０には、高圧水１６の噴出力に起因する推進力だけでなく、洗浄ブラシ４０の回転に伴う推進力も作用するので、洗浄対象となる管路１が長くて、洗浄ヘッド３０に取り付けている水供給ホース５の重量が大きくなった際でも、推進力が足りなくなることを防止できる。したがって、従来では例えば洗浄区間が２００ｍ以上であると、人手によって洗浄ヘッドを管路１内に押し込む必要があったが、本発明の実施の形態によれば、洗浄区間が４００ｍほどの長い距離であっても人手によって洗浄ヘッドを管路１内に押し込む必要はなくなり、多くの手間や時間を省くことができて、作業能率が向上する。   Thereafter, when the cleaning head 30 is introduced into the cleaning section of the pipe line 1, high-pressure water is supplied from the high-pressure water supply device 6 to the cleaning head 30 through the water supply hose 5, and water is ejected from the ejection holes 41. Then, the propulsive force of the cleaning head 30 and the rotational force to the rotating portion 39 and the cleaning brush 40 are applied by the jet output of the high-pressure water 16 from the ejection hole 41. Here, since the cleaning brush 40 is implanted in the cleaning head 30 so as to be spiral with respect to the transfer direction of the cleaning head 30, the cleaning brush 40 is rotated so that the inside of the pipe 1. The force that pumps the water collected in the rear and the force that the cleaning brush 40 comes into contact with the inner wall surface of the pipe line 1 and pumps the cleaning head 30 forward is generated. Force is generated. Thus, not only the propulsive force due to the jet output of the high-pressure water 16 but also the propulsive force accompanying the rotation of the cleaning brush 40 acts on the cleaning head 30, so that the pipe line 1 to be cleaned is long and the cleaning head 30 is cleaned. Even when the weight of the water supply hose 5 attached to the head 30 is increased, it is possible to prevent the driving force from being insufficient. Therefore, conventionally, for example, when the cleaning section is 200 m or more, it has been necessary to manually push the cleaning head into the pipe line 1. However, according to the embodiment of the present invention, the cleaning section is a long distance of about 400 m. Even if this is the case, it is not necessary to manually push the cleaning head into the pipe 1, so that much labor and time can be saved, and work efficiency is improved.

また、洗浄ヘッド３０として、金属製の回転パイプ体３８に洗浄ブラシ４０を植設させた構成としたので、管路１の内面に錆こぶなどの付着物１７が多く付着しており、この付着物１７が回転パイプ体３８に接触した場合でも、回転パイプ体３８が折れ曲がることを防止でき、洗浄機能を良好に維持できる。   Further, since the cleaning brush 40 is implanted in the metal rotating pipe body 38 as the cleaning head 30, a large amount of deposits 17 such as rust humps adhere to the inner surface of the pipe line 1. Even when the kimono 17 comes into contact with the rotating pipe body 38, the rotating pipe body 38 can be prevented from being bent, and the cleaning function can be maintained well.

さらに、洗浄ブラシ４０は回転パイプ体３８に対して螺旋状に植設されているので、回転パイプ体３８を長尺にしなくても支障をきたさず、この結果、分岐管２から管路１に接続されている箇所や、管路１の内面に錆こぶなどの付着物１７が多く付着している箇所でも支障なく通過できる形状に回転パイプ体３８を形成し易い。なお、洗浄ブラシ４０の形状としては管路１の内面に洗浄ブラシ４０の先端が良好に接触するように、管路１よりも若干大きい寸法とすればよい。また、図２、図３においては、周方向に対して２条の洗浄ブラシ４０を配設した場合を述べたが、付着物１７の付着の付着力や大きさに応じて、その数や材質（材料）を適当に選択すればよい。また、洗浄ブラシ４０をなす材料としては、ナイロンブラシなどを用いれば好適であるが、これに限るものではなく、各種材料を用いればよい。   Further, since the cleaning brush 40 is implanted spirally with respect to the rotating pipe body 38, there is no problem even if the rotating pipe body 38 is not long, and as a result, the branch pipe 2 is connected to the pipe line 1. It is easy to form the rotating pipe body 38 in a shape that can pass through without trouble even at a connected location or a location where a large amount of deposits 17 such as rust humps adhere to the inner surface of the pipeline 1. The shape of the cleaning brush 40 may be slightly larger than the size of the conduit 1 so that the tip of the cleaning brush 40 is in good contact with the inner surface of the conduit 1. 2 and 3, the case where two cleaning brushes 40 are disposed in the circumferential direction has been described. However, depending on the adhesion force and size of the deposit 17, the number and material thereof are determined. What is necessary is just to select (material) suitably. Further, as a material for forming the cleaning brush 40, it is preferable to use a nylon brush or the like, but the material is not limited to this, and various materials may be used.

また、洗浄ブラシ４０を螺旋状に形成したことにより、洗浄ヘッド３０を回転した際に、回転方向に対して洗浄ブラシ４０が連続的に接触して、洗浄ブラシ４０が、いわゆる腰の強い状態で、折れ曲がり難い状態で、強く付着物１７に接触して付着物１７を良好に掻き取ることができる利点もある。   In addition, since the cleaning brush 40 is formed in a spiral shape, when the cleaning head 30 is rotated, the cleaning brush 40 is continuously in contact with the rotation direction, and the cleaning brush 40 is in a so-called strong state. There is also an advantage that the deposit 17 can be scraped well by strongly contacting the deposit 17 in a state where it is difficult to bend.

なお、このようにして洗浄作業を実施し、洗浄ヘッド３０が管路１における洗浄区間の終端部に到達したなら、水供給ホース５の送り動作を停止するとともに高圧水供給装置６も停止し、分岐部２から水供給ホース５を全長にわたって引き抜き、洗浄ヘッド３０も管路１の外に引き戻して、洗浄作業を終了する。最後に、洗浄区間のフラッシングを行うことにより、洗浄作業によって管路１の内面から剥離した付着物などを管路１の中から排出して、全作業を終了する。   When the cleaning operation is performed in this way and the cleaning head 30 reaches the end of the cleaning section in the pipe line 1, the feeding operation of the water supply hose 5 is stopped and the high-pressure water supply device 6 is also stopped. The water supply hose 5 is pulled out from the branch part 2 over the entire length, and the cleaning head 30 is also pulled back out of the pipe line 1 to complete the cleaning operation. Finally, by flushing the cleaning section, the deposits and the like peeled off from the inner surface of the pipe line 1 by the cleaning work are discharged from the pipe line 1 and the whole work is finished.

また、上記実施の形態においては、消火栓用の分岐管２を用いた場合を述べたが、これに限るものではなく、空気管用の分岐管や各種補修用の分岐管に対しても適用可能であり、下水道などにも対応可能である。   In the above embodiment, the case where the branch pipe 2 for a fire hydrant is used has been described. However, the present invention is not limited to this, and can be applied to a branch pipe for an air pipe and various repair branch pipes. Yes, it can be used for sewers.

１ 管路
２ 分岐管
５ 水供給ホース
６ 高圧水供給装置
７ 送り込み装置
２０ 洗浄装置
３０ 洗浄ヘッド
３１ 基台部
３８ 回転パイプ体
３９ 回転部
４０ 洗浄ブラシ
４１ 噴出孔 DESCRIPTION OF SYMBOLS 1 Pipe line 2 Branch pipe 5 Water supply hose 6 High-pressure water supply apparatus 7 Feeding apparatus 20 Cleaning apparatus 30 Cleaning head 31 Base part 38 Rotating pipe body 39 Rotating part 40 Cleaning brush 41 Ejection hole

Claims (4)

管路の内面を洗浄する洗浄装置であって、
管路外から管路の分岐管を介して管路内に導入される水供給ホースと、
前記水供給ホースの先端に設けられ、管路に沿って移送可能な状態で配設される洗浄ヘッドと、
前記洗浄ヘッドに設けられ、移送方向を軸心として回転する回転部と、
前記洗浄ヘッドの回転部に設けられ、前記回転部から半径方向に延びるように植設された洗浄ブラシと
を備え、
前記洗浄ブラシが洗浄ヘッドの移送方向に対して螺旋状となるように植設され、前記洗浄ブラシの螺旋状の向きが、前記洗浄ブラシを回転させることにより管路内の流体が後方に送り出される方向である
ことを特徴とする管路内面の洗浄装置。 A cleaning device for cleaning the inner surface of a pipeline,
A water supply hose introduced into the pipeline from outside the pipeline via the branch pipe of the pipeline,
A cleaning head provided at the tip of the water supply hose and disposed in a state capable of being transferred along a pipeline;
A rotating unit that is provided in the cleaning head and rotates around the transfer direction;
A cleaning brush provided in a rotating part of the cleaning head and planted so as to extend in a radial direction from the rotating part;
The cleaning brush is implanted so as to be spiral with respect to the transfer direction of the cleaning head, and the spiral direction of the cleaning brush causes the fluid in the pipeline to be sent backward by rotating the cleaning brush. An apparatus for cleaning an inner surface of a pipe line characterized by being in a direction. 回転部に筒状で金属製の回転パイプ体が設けられ、前記回転パイプ体に対して螺旋状に洗浄ブラシが植設されたことを特徴とする請求項１記載の管路内面の洗浄装置。   The apparatus for cleaning an inner surface of a pipe line according to claim 1, wherein a cylindrical metal rotating pipe body is provided in the rotating portion, and a cleaning brush is implanted in a spiral shape with respect to the rotating pipe body. 前記洗浄ヘッドの回転部の一部に、水供給ホースから供給される水を、半径方向に対して傾斜する方向に噴出させる噴出孔が形成され、この噴出孔が水から受ける力により回転部が回転することを特徴とする請求項１または２に記載の管路内面の洗浄装置。   An ejection hole is formed in a part of the rotating part of the cleaning head to eject water supplied from the water supply hose in a direction inclined with respect to the radial direction. The apparatus for cleaning an inner surface of a pipe line according to claim 1 or 2, wherein the apparatus is rotated. 噴出孔が回転部から後ろ向きに噴出するように形成され、噴出孔が水から受ける力によっても前方に移送される構成としたことを特徴とする請求項３記載の管路内面の洗浄装置。   4. The apparatus for cleaning an inner surface of a pipeline according to claim 3, wherein the ejection hole is formed so as to eject backward from the rotating portion, and the ejection hole is transferred forward also by a force received from water.
JP2009264436A 2009-11-20 2009-11-20 Apparatus for washing inner face of pipeline Pending JP2011104552A (en)

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Cited By (6)

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Publication number Priority date Publication date Assignee Title
JP2015187353A (en) * 2014-03-27 2015-10-29 株式会社Ｌｉｘｉｌ cleaning device
JP2015190149A (en) * 2014-03-27 2015-11-02 株式会社Ｌｉｘｉｌ cleaning device
CN107088562A (en) * 2017-06-23 2017-08-25 石家庄拓峰机电设备销售有限公司 Pipeline cleaning
KR101789097B1 (en) * 2015-12-09 2017-10-23 (주)썬앤씨 System of cleaning horizontal water intake pipe
CN108636954A (en) * 2018-03-15 2018-10-12 许琴 Central air-conditioning pipe deashing robot
CN110052459A (en) * 2019-04-26 2019-07-26 中国水利水电科学研究院 A kind of water delivery engineering inner structural wall device for pre-cleaning and crack detection suit

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JPH11179309A (en) * 1997-12-25 1999-07-06 Tokyo Gas Co Ltd Method for cleaning existing pipeline
JP2006088002A (en) * 2004-09-22 2006-04-06 Tokyo Metropolis Apparatus for cleaning inside surface of pipe
JP2006192395A (en) * 2005-01-17 2006-07-27 Tokyo Suido Service Kk Apparatus for cleaning inner face of pipeline

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JPS5986287U (en) * 1982-11-29 1984-06-11 日本電気ホームエレクトロニクス株式会社 cleaning nozzle
JPH11179309A (en) * 1997-12-25 1999-07-06 Tokyo Gas Co Ltd Method for cleaning existing pipeline
JP2006088002A (en) * 2004-09-22 2006-04-06 Tokyo Metropolis Apparatus for cleaning inside surface of pipe
JP2006192395A (en) * 2005-01-17 2006-07-27 Tokyo Suido Service Kk Apparatus for cleaning inner face of pipeline

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015187353A (en) * 2014-03-27 2015-10-29 株式会社Ｌｉｘｉｌ cleaning device
JP2015190149A (en) * 2014-03-27 2015-11-02 株式会社Ｌｉｘｉｌ cleaning device
KR101789097B1 (en) * 2015-12-09 2017-10-23 (주)썬앤씨 System of cleaning horizontal water intake pipe
CN107088562A (en) * 2017-06-23 2017-08-25 石家庄拓峰机电设备销售有限公司 Pipeline cleaning
CN108636954A (en) * 2018-03-15 2018-10-12 许琴 Central air-conditioning pipe deashing robot
CN108636954B (en) * 2018-03-15 2020-01-24 湖南中鲁工程有限公司 Central air conditioning pipeline deashing robot
CN110052459A (en) * 2019-04-26 2019-07-26 中国水利水电科学研究院 A kind of water delivery engineering inner structural wall device for pre-cleaning and crack detection suit

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