JP2649426B2 - Non-stop water installation method such as fluid control valve and hermetic connection device - Google Patents
Non-stop water installation method such as fluid control valve and hermetic connection deviceInfo
- Publication number
- JP2649426B2 JP2649426B2 JP6895990A JP6895990A JP2649426B2 JP 2649426 B2 JP2649426 B2 JP 2649426B2 JP 6895990 A JP6895990 A JP 6895990A JP 6895990 A JP6895990 A JP 6895990A JP 2649426 B2 JP2649426 B2 JP 2649426B2
- Authority
- JP
- Japan
- Prior art keywords
- control valve
- fluid
- ring
- fluid control
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/18—Appliances for use in repairing pipes
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Branch Pipes, Bends, And The Like (AREA)
Description
【発明の詳細な説明】 イ．発明の目的 〔産業上の利用分野〕 この発明は、既設の流体管路例えば水道管に不断水状
態（既設管路内の流水の流れを予め設置された制水弁で
止めることなく流通状態で工事を実施すること。）で流
体制御弁を設置するいわゆる不断水流体制御弁設置工法
に関し、更に詳しくは、密封された筐体内で管路を直交
状に切断し、該切断部分に当該流体制御弁を設置する方
法並びにその施工装置に関する。DETAILED DESCRIPTION OF THE INVENTION Object of the Invention [Industrial application field] The present invention relates to an existing fluid pipe, for example, a water pipe, in a state of uninterrupted water supply (in a flowing state without stopping the flow of flowing water in the existing pipe by a previously installed water control valve). In particular, the present invention relates to a method of installing a fluid control valve in which a fluid control valve is installed in a sealed housing. The present invention relates to a method for installing a valve and a construction device therefor.
この種の技術として、特公昭59−42193号公報のもの
が公知である。Japanese Patent Publication No. Sho 59-42193 discloses a technique of this type.
すなわち、該公知技術によれば、流体制御弁の設置箇
所の両側に相当する管周面に一対の割り継輪を摺動可能
にし、次にこれら割り継輪を含めて前記流体制御弁の設
置箇所を密封状態の筺体で囲ぎょうし、前記筺体内で前
記流体制御弁の設置箇所を切断機で切除した後、その切
除部に流体制御弁を管軸方向への移動を規制する状態で
装着してから、それの両側に位置する割り継輪を外部か
ら前記流体制御弁に向けて両側から押し込んで前記流体
制御弁に接続用フランジ部と前記切除部の管端部との間
に跨がって嵌合させてそれら両者管を接続した後、前記
外筺を撤去することによって流体制御弁を管路の途中に
取り付けることを特徴とする。That is, according to the known technique, a pair of split wheels are slidable on a pipe circumferential surface corresponding to both sides of the installation location of the fluid control valve, and then the fluid control valve is installed including these split wheels. After enclosing the location in a sealed housing and cutting the installation location of the fluid control valve in the housing with a cutting machine, attach the fluid control valve to the cut portion in a state that restricts movement in the pipe axis direction. Then, split split wheels located on both sides thereof are pushed in from both sides toward the fluid control valve from the outside, and the fluid control valve is straddled between the connection flange portion and the pipe end of the cutout portion. After connecting these two pipes, the fluid control valve is attached in the middle of the pipe by removing the outer casing.
しかしながら、該公知技術によれば、切除された流体
管の切口端面は露出された状態となり、流体管内の流体
と常時接触し、腐食性の流体によっては当該切除端面よ
り腐食が始まり早期に劣化が進行するとの不具合があ
る。However, according to the known technique, the cut end face of the cut fluid pipe is exposed, and is constantly in contact with the fluid in the fluid pipe. There is a problem with progress.
本発明は上記実情に鑑みなされたものであって、この
種の流体制御弁の不断水設置工法において切断部に錆が
生じない新規な施工方法を提供することをその目的（技
術的課題）とする。The present invention has been made in view of the above-mentioned circumstances, and an object (technical problem) of the present invention is to provide a novel construction method in which rust does not occur on a cut portion in a non-water-proof installation method of this type of fluid control valve. I do.
ロ．発明の構成 〔課題を解決するための手段〕 本発明の流体制御弁の不断水設置方法は上記目的を達
成するため、次の工程よりなる構成（技術的手段）を採
る。すなわち、密閉ケース内において、切断機により流
体管を直管状に切断し、次いで当該切断部に流体制御弁
を挿入設置する流体制御弁の不断水設置方法において、
予め流体制御弁の設置箇所の両側に相当する管周面にそ
れぞれ固定接続環を装着する工程、切断機で流体管を切
断した後、その切除部に、前記固定接続環側の切口端面
に当接されるシール材を抱持した伸縮可能な伸縮接手環
を収縮状態で装着した流体制御弁を挿着する工程、前記
可動接手環を環軸方向に伸張して前記固定接続環に水密
に係合する工程、からなる流体制御弁の不断水設置方
法。B. Configuration of the Invention [Means for Solving the Problems] In order to achieve the above object, the method for installing uninterrupted water in a fluid control valve of the present invention employs a configuration (technical means) comprising the following steps. That is, in the sealed case, in the method of cutting off the fluid pipe into a straight tube by a cutting machine, and then inserting the fluid control valve into the cut portion, the fluid control valve is installed continuously without water.
A step of previously mounting fixed connection rings on pipe peripheral surfaces corresponding to both sides of the installation location of the fluid control valve, and after cutting the fluid pipe with a cutting machine, apply a cut end to the cut end face on the fixed connection ring side. A step of inserting a fluid control valve in which an expandable and contractible joint ring holding a sealing material to be in contact with is attached in a contracted state, and extending the movable joint ring in a ring axis direction to watertightly engage the fixed connection ring. A non-stop water installation method for the fluid control valve.
また、密封接続装置は叙上の流体制御弁の不断水設置
方法を実施するものであって、流体制御弁の挿入設置箇
所の両側の管周面に水密に固定装着される固定接続環
と、挿入設置される流体制御弁において、前記固定接続
環に対応して装着され、流体管の切口部に当接されるシ
ール材を抱持した管軸方向に伸縮可能な伸縮接手環と、
からなることを特徴とする密封接続装置。Further, the sealed connection device implements the above-described method of setting up the fluid control valve without interruption, and a fixed connection ring that is fixedly attached to the pipe peripheral surface on both sides of the insertion installation location of the fluid control valve, In the fluid control valve to be inserted and installed, a telescopic joint ring that is mounted corresponding to the fixed connection ring and that can expand and contract in the pipe axis direction, holding a seal material that is in contact with a cut portion of the fluid pipe,
A hermetically-sealed connection device comprising:
伸縮接手環の軸方向への移動において流体管の切り口
面にパッキングが押圧当接されるとともに、固定接続環
と伸縮接手環とは互いに水密に係合し、これにより流体
管内の流体の流出は封止される。In the movement of the telescopic joint ring in the axial direction, the packing is pressed against the cut surface of the fluid pipe, and the fixed connecting ring and the telescopic joint ring are engaged with each other in a watertight manner, whereby the outflow of the fluid in the fluid pipe is prevented. Sealed.
以下、本発明の流体制御弁の不断水設置方法及びその
密封接続装置の実施例を図面に基づいて説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of a method for installing uninterrupted water of a fluid control valve and a hermetically-sealed connection device of the present invention will be described with reference to the drawings.
（実施例装置） 第１図及び第２図は本発明方法の途中工程（流体弁の
挿入直後の状態）を示すものであるが、その一実施例の
密封接続装置の全体が示されている。(Embodiment) FIGS. 1 and 2 show an intermediate step (a state immediately after insertion of a fluid valve) of the method of the present invention, and the whole of a hermetic connection apparatus of the embodiment is shown. .
図において、Ｐは配水主管等の流体管、Ｑはその切断
された切口部、Ｓは作業用密閉ケース、Ｖは挿入される
流体制御弁である。In the figure, P is a fluid pipe such as a water distribution main pipe, Q is a cut end thereof, S is a working closed case, and V is a fluid control valve to be inserted.
（作業用密閉ケース） 先ず、作業用密閉ケースＳについて説明する。(Working Sealed Case) First, the working sealed case S will be described.
該作業用密閉ケースＳは上ケース100と下ケース101と
の管軸を含む平面において二つ割に形成され、それらの
フランジ102,103相互を衝接させて締付けボルト104をも
って一体的に組み立てられる。管軸方向の両端部には、
流体管Ｐを挿通する挿通孔106が開設され、挿通孔106に
臨んで本密閉ケースＳの内面に当金107が固設されると
ともに、該挿通孔106と流体管Ｐとの間隙にはパッキン
グ108が装着される。109はこのパッキング108を押圧す
る押輪であって、該押輪109は本密閉ケースＳに螺入さ
れる締付けボルト110をもって前進せられる。The working closed case S is formed in two parts in a plane including the tube axis of the upper case 100 and the lower case 101, and their flanges 102 and 103 are brought into contact with each other to be integrally assembled with the fastening bolts 104. At both ends in the tube axis direction,
An insertion hole 106 through which the fluid pipe P is inserted is opened, a metal plate 107 is fixed to the inner surface of the main sealed case S facing the insertion hole 106, and a packing is provided in a gap between the insertion hole 106 and the fluid pipe P. 108 is installed. Reference numeral 109 denotes a pressing ring for pressing the packing 108. The pressing ring 109 is advanced by a tightening bolt 110 screwed into the main sealed case S.
また、押輪109にはそのボルトが流体管Ｐに食い込ん
で離脱を阻止する離脱防止装置111が付置される。Further, the push ring 109 is provided with a detachment prevention device 111 for preventing the detachment of the bolt by cutting into the fluid pipe P.
本密閉ケースＳは実質的に横置き状の円筒形状をなす
が、上部は矩形状の開口部113をなし、上端面のフラン
ジ114をもって後記する他の装置の接続をなす。本密閉
ケースＳの内面には案内レール115が開口部113に臨んで
縦設される。116は開閉のできる作業用窓である。Although the closed case S has a substantially horizontal cylindrical shape, the upper portion forms a rectangular opening 113, and a flange 114 on the upper end surface is used to connect other devices described later. A guide rail 115 is provided vertically on the inner surface of the closed case S so as to face the opening 113. 116 is a work window that can be opened and closed.
本密閉ケースＳの下部底部にはドレーン管118が配さ
れ、また底面にはこのケースＳ全体を支える指示脚119
が設けられる。A drain pipe 118 is disposed on the lower bottom of the closed case S, and a pointing leg 119 supporting the entire case S is provided on the bottom.
Is provided.
（密封接続装置） しかして、本実施例の密封接続装置は、この作業用密
封ケースＳ内において、流体管Ｐ側に装着される接続部
と、挿入される流体制御弁Ｖ側に装着される接続部とか
らなる。(Sealed Connection Device) The sealed connection device of the present embodiment is mounted on the fluid pipe P side and the inserted fluid control valve V side in the working sealed case S. Connection part.
すなわち、この密封接続装置は流体弁Ｖを挟んで、流
体管Ｐ側の左右に配される固定接続環１と、流体制御弁
Ｖ側においてこの固定接続環１に対応して配される外側
環３と内側環４とからなる可動接手環２と主たる構成と
して含む。That is, the sealed connection device includes a fixed connection ring 1 disposed on the left and right sides of the fluid pipe P with the fluid valve V interposed therebetween, and an outer ring disposed corresponding to the fixed connection ring 1 on the fluid control valve V side. It includes a movable joint ring 2 composed of an inner ring 3 and an inner ring 4 as a main configuration.
また、本密封接続装置には、補助的構成として、介装
環6,摺動案内具７及び引寄せ具８が含まれ、この密封接
続装置の装着操作に供される。The sealing connection device includes an auxiliary ring 6, a sliding guide 7 and a pulling device 8 as auxiliary components, and is used for mounting operation of the sealing connection device.
以下、この密封接続装置の各部の細部構造を説明す
る。Hereinafter, the detailed structure of each part of the sealed connection device will be described.
なお、以下の説明において、前部及び後部を流体弁Ｖ
を中心にしてこの流体弁に向かう側を前部、この流体弁
から離れる側を後部と定義する。In the following description, the front part and the rear part are fluid valves V
Is defined as a front portion, and a side away from the fluid valve is defined as a rear portion.
第４図は本密封接続装置を取り出して示したものであ
る。FIG. 4 shows the sealed connection device taken out.
固定接続環１は二つ割体よりなり、管Ｐの回りにパッ
キング10をもって水密に装着され、前部において環状の
水平方向に突出する水平鍔11と管径方向の外方へ突出す
るフランジ部12とを有する。また、後部において、外方
に突出するフランジ部13が、内方にはゴム輪収容凹部14
が形成され、ゴム輪収容凹部14内にはゴム輪15が収容さ
れるとともにフランジ部13と締付けボルト16を介して係
合する押輪17によって押圧される。The fixed connecting ring 1 is made of a split body, is mounted in a watertight manner with a packing 10 around the pipe P, and has an annular horizontal flange 11 protruding in the horizontal direction at the front part and a flange part protruding outward in the pipe radial direction. With 12. In the rear part, an outwardly protruding flange portion 13 is provided, and inwardly, a rubber ring housing recess 14 is provided.
The rubber ring 15 is accommodated in the rubber ring accommodating recess 14 and is pressed by the pressing ring 17 which engages with the flange portion 13 via the tightening bolt 16.
伸縮接手環２は一体ものの管状体である外側環３と内
側環４との組合わせによって伸縮機能をもつ。The telescopic joint ring 2 has a telescopic function by a combination of an outer ring 3 and an inner ring 4 which are one-piece tubular bodies.
もっと詳しくは、外側環３の後部には、固定接続環１
の前部形状に嵌合対応するように、フランジ部12に衝接
するフランジ部19が、また、水平鍔11を受け入れるよう
に直角状に折り曲げられた直角凹部20が形成されてな
る。More specifically, a fixed connecting ring 1 is provided at the rear of the outer ring 3.
A flange portion 19 abutting against the flange portion 12 and a right-angle recess 20 bent at a right angle so as to receive the horizontal collar 11 are formed so as to correspond to the front shape of FIG.
フランジ部12,19は対応する位置に開設されたボルト
挿通孔に挿通された締付けボルト21によって互いに締め
付けられる。しかして、この直角凹部20の鉛直壁面20a
はその内径端が少なくとも流体管Ｐの内径に到るまで延
設される。すなわち、直角凹部20は流体管Ｐの内面に突
出してもよいが、流体抵抗を増大させ不利となる。そし
て、この鉛直壁面20aにシール材22が固定装着される。
シール材22は所定厚さの環状板をなす。また、直角凹部
20の円周壁面20b内には環状溝が形成され、パッキング2
3が嵌装される。該パッキング23は固定接続環１の水平
鍔11に当接し、水密作用をなす。The flange portions 12 and 19 are fastened to each other by a fastening bolt 21 inserted into a bolt insertion hole opened at a corresponding position. Thus, the vertical wall surface 20a of the right-angled recess 20
Is extended until its inner end reaches at least the inner diameter of the fluid pipe P. That is, the right-angled recess 20 may protrude from the inner surface of the fluid pipe P, but disadvantageously increases the fluid resistance. Then, the sealing material 22 is fixedly mounted on the vertical wall surface 20a.
The sealing material 22 forms an annular plate having a predetermined thickness. Also, right angle recess
An annular groove is formed in the circumferential wall 20b of the
3 is fitted. The packing 23 comes into contact with the horizontal flange 11 of the fixed connecting ring 1 and performs a watertight action.
外側環３の前部には、フランジ25が外方に張設され、
該フランジ部25には円筒方向に所定間隔にわたって水平
ねじ孔26が管軸に平行して開設される。該水平ねじ孔26
に押出しねじ27が螺装される。At the front of the outer ring 3, a flange 25 is stretched outward.
Horizontal screw holes 26 are formed in the flange portion 25 at predetermined intervals in the cylindrical direction in parallel with the pipe axis. The horizontal screw hole 26
, An extrusion screw 27 is screwed.
外側環３の前端部内側には所要幅の環状突状体29が突
設され、その内周面にパッキング溝が凹設され、該パッ
キング溝にパッキング30が装着される。An annular protruding body 29 having a required width protrudes from the inside of the front end of the outer ring 3, and a packing groove is formed in the inner peripheral surface thereof. A packing 30 is mounted in the packing groove.
内側環４は、外側環３の本体の内径内に重合して配さ
れ、その後端部にはねじ孔が周方向に所定間隔にわたっ
て開設され、該ねじ孔に螺装されたロックねじ32が外側
環３の環状体29に衝接し、内・外側環3,4相互の離脱阻
止をなす。The inner ring 4 is overlapped and arranged within the inner diameter of the body of the outer ring 3, and a screw hole is formed at a rear end thereof at a predetermined interval in a circumferential direction, and a lock screw 32 screwed into the screw hole is formed on the outside. It abuts against the ring 29 of the ring 3 and prevents the inner and outer rings 3, 4 from coming off from each other.
内側環４の前部にはフランジ部34が外方に張設され、
取付けボルト35をもって流体弁Ｖに固定される。該フラ
ンジ部34はまた、外側環３のフランジ部25に螺装された
押出しねじ27の当接体ともなる。At the front of the inner ring 4, a flange portion 34 is stretched outward,
It is fixed to the fluid valve V with the mounting bolt 35. The flange 34 also serves as an abutment for an extrusion screw 27 screwed into the flange 25 of the outer ring 3.
以上の構成よりなる本実施例の密封接続装置におい
て、後記する摺動案内具７との関連のため、フランジ部
12,19は同一径とされる。In the sealed connection device of the present embodiment having the above configuration, a flange portion is provided because of the connection with the slide guide 7 described later.
12, 19 have the same diameter.
再び、第１図及び第２図に戻って、介装環６、摺動案
内具７、引寄せ具８、その他の部材について説明する。Returning to FIGS. 1 and 2 again, the interposition ring 6, the slide guide 7, the pulling tool 8, and other members will be described.
（介装環６） 介装環６は少なくとも二つ割体よりなり、密閉ケース
Ｓの当て板107と本密封接続装置の固定接続環１のフラ
ンジ部13との間に当接介装され、固定接続環１の前端部
すなわち水平鍔11の前端が切断部に臨むようにされる。(Intermediate ring 6) The intermediate ring 6 is at least divided into two parts, and is abutted and interposed between the backing plate 107 of the closed case S and the flange portion 13 of the fixed connection ring 1 of the fully-sealed connection device. The front end of the fixed connection ring 1, that is, the front end of the horizontal flange 11 faces the cutting portion.
（摺動案内具７） 摺動案内具７は流体弁Ｖを含む密封接続装置を下方に
おいて支持し、かつ、密封接続装置が管軸方向に移動す
る際の案内をなす機能をもつ。(Sliding Guide 7) The sliding guide 7 has a function of supporting the sealed connection device including the fluid valve V below, and guiding the sealed connection device when it moves in the pipe axis direction.
もっと詳しくは、密閉ケースＳの底部の中央部に位置
して案内箱40が配され、一方、基台41は該案内箱40の内
壁に沿って上下動自在に嵌装される基柱42と該基柱42上
の平板43とからなる。案内箱40と基柱42とはねじ棒45に
よって連動され、また基柱42の側面にはキー溝が縦設さ
れるとともに該キー溝に密閉ケースＳ側に固定されたキ
ー46が嵌装され、これによってねじ棒45の回動とともに
基柱42が共回りすることなく上下動するようにされてい
る。基台41の平板43上に案内用のパイプ48が相並べて配
される。しかして、この案内用パイプ48上に密封接続装
置を構成する固定接続環１及び可動接手環２のフランジ
部12,19の下方部の外端面が当接される。More specifically, a guide box 40 is disposed at the center of the bottom of the sealed case S, while a base 41 is provided with a base 42 that is vertically movably fitted along the inner wall of the guide box 40. It consists of a flat plate 43 on the base 42. The guide box 40 and the base 42 are linked by a screw rod 45, and a key groove is vertically provided on a side surface of the base 42, and a key 46 fixed to the sealed case S side is fitted into the key groove. Thus, the base 42 moves up and down without rotating together with the rotation of the screw rod 45. The guide pipes 48 are arranged side by side on the flat plate 43 of the base 41. Thus, the outer end surfaces of the lower portions of the flange portions 12 and 19 of the fixed connection ring 1 and the movable joint ring 2 constituting the sealed connection device are brought into contact with the guide pipe 48.
（引寄せ具８） 引寄せ具８は密閉ケースＳの軸方向両側面に設けら
れ、密閉ケースＳ外からの操作により可動接手環２を引
き寄せる機能を奏する。(Drawing Tool 8) The drawing tool 8 is provided on both axial side surfaces of the sealed case S, and has a function of drawing the movable joint ring 2 by an operation from outside the sealed case S.
もっと詳しくは、密閉ケースＳの側面に円孔50が開設
され、該円孔50に臨んで案内筒52がケースＳの外部に固
設され、この案内筒52内に移動軸53がケースＳの内部に
まで延設して配されている。案内筒52と移動軸53とはね
じ棒54によって連動されるとともに、ねじ棒54の回動に
より移動軸53は前後に移動する。移動軸53の先端部には
係合子55が取り付けられ、その後端面55aを伸縮接続環
２のフランジ部19に係合させる。More specifically, a circular hole 50 is opened on the side surface of the sealed case S, and a guide cylinder 52 is fixed to the outside of the case S so as to face the circular hole 50, and a moving shaft 53 of the case S is provided in the guide cylinder 52. It extends to the inside and is arranged. The guide cylinder 52 and the moving shaft 53 are interlocked by a screw rod 54, and the moving shaft 53 moves back and forth by the rotation of the screw rod 54. An engaging element 55 is attached to the distal end of the moving shaft 53, and the rear end face 55a is engaged with the flange 19 of the telescopic connecting ring 2.
案内筒52にはＵ字状の溝57が形成され、この溝57内に
移動軸53にその基部が固設された操作レバー58が突出状
に挿通されている。溝57はそれぞれ部分57a,57b,57cか
らなり、例えば、操作レバー58が部分57aにあるときは
係合子55は非係合子状態にあり、部分57bで反転し、部
分57cで係合状態となる（第３図参照）。A U-shaped groove 57 is formed in the guide cylinder 52, and an operation lever 58 having a base fixed to the moving shaft 53 is inserted into the groove 57 in a protruding manner. The groove 57 is composed of portions 57a, 57b, 57c, for example, when the operating lever 58 is in the portion 57a, the engaging element 55 is in the non-engaging element state, is inverted at the part 57b, and is engaged at the part 57c. (See FIG. 3).
（流体弁Ｖ） 本実施例の流体弁Ｖはいわゆる蝶形弁であって、弁箱
内に収容された弁体130は弁棒132の回動により開閉動作
を行う。図は開状態を示す。(Fluid Valve V) The fluid valve V of this embodiment is a so-called butterfly valve, and the valve element 130 housed in the valve box opens and closes by rotating the valve rod 132. The figure shows the open state.
本密封接続装置の伸縮接手環２はこの流体弁の弁箱に
直接的に固設される。The expansion joint ring 2 of the present sealing connection device is directly fixed to the valve box of the fluid valve.
弁棒132はその上端のフランジ133を介して、後記する
装入装置の昇降軸135の下端に装着された接続体136を介
して連結される。The valve stem 132 is connected via a flange 133 at the upper end thereof via a connecting body 136 attached to the lower end of an elevating shaft 135 of a charging device described later.
また、流体弁Ｖの側方から横梁部材138が張設され、
横梁部材138の両端部は前記した密閉ケースＳの案内レ
ール115に摺動自在に係合する。Further, a horizontal beam member 138 is stretched from the side of the fluid valve V,
Both ends of the cross beam member 138 are slidably engaged with the guide rail 115 of the closed case S described above.
（実施例方法） 上記の本実施例の密封接続装置を使用して行われる流
体制御弁の不断水設置方法を第５図以降の図面に基づい
て説明する。なお、第１図及び第２図はその施工途中を
示し、第４図は終了状態を示す。(Method of Embodiment) A method of installing a fluid control valve without interruption using the above-described sealed connection device of the present embodiment will be described with reference to FIGS. FIG. 1 and FIG. 2 show the construction in progress, and FIG. 4 shows the finished state.
（１）先ず、第５図に示すように、流体管Ｐの流体制御
弁配設位置の地盤Ｅを掘削して作業空間Ｆを確保する。
この際、該掘削穴の底部の地盤が十分な地耐力を有する
ように地盤処理されることが好ましい。(1) First, as shown in FIG. 5, the ground E at the position where the fluid control valve of the fluid pipe P is disposed is excavated to secure a work space F.
At this time, it is preferable that the ground at the bottom of the excavation hole is ground-treated so as to have a sufficient ground strength.
流体制御弁設置位置の配水主管Ｐに切断機Ｈを取り付
けた後、その外側に本密封接続装置の固定接続環１をそ
れぞれ装着する。After the cutting machine H is attached to the water distribution main pipe P at the position where the fluid control valve is installed, the fixed connection rings 1 of the main sealing connection device are attached to the outside thereof.
図において200は切断機Ｈの駆動軸であり、202はその
上端の接手部である。In the figure, reference numeral 200 denotes a drive shaft of the cutting machine H, and reference numeral 202 denotes a joint at the upper end thereof.
（２）作業用密閉ケースＳの下ケース101を脚119を介し
て流体管Ｐ回りに取り付ける（第６図参照）。また、ケ
ースＳの当て金107と固定接続環１の後端の間に介装環
６を設置し、摺動案内具７もその案内パイプ48のレベル
を調整して設置する。(2) Attach the lower case 101 around the fluid pipe P via the legs 119 (see FIG. 6). In addition, the interposition ring 6 is installed between the backing 107 of the case S and the rear end of the fixed connection ring 1, and the slide guide 7 is also installed by adjusting the level of the guide pipe 48.
次いで、作業用密閉ケースＳの上ケース102を被せ、
作業用密閉ケースＳを一体的に組み立てる。このとき密
閉ケースＳの両端の開口部はパッキング108及び押輪109
をもつて水密に、かつ離脱防止金具111を効かす。しか
る後、盲蓋Ｉを被せ、この状態で水圧テストを行う（第
７図参照）。Next, cover the upper case 102 of the working closed case S,
The closed working case S is assembled integrally. At this time, the openings at both ends of the sealed case S are
To make the detachment prevention fitting 111 effective in a watertight manner. Thereafter, the blind lid I is put on, and a water pressure test is performed in this state (see FIG. 7).
（３）水密状態が維持されていることが確認できれば、
盲蓋Ｉを外し、作業用ケースＳ上にそのフランジ114を
介して作業用制水弁Ｊ、更に、接続筒Ｋを水密に取り付
ける。該接続筒Ｋには作業用窓が備わっている。なお、
このとき、作業用制水弁Ｊは開状態となっている（第８
図参照）。(3) If it can be confirmed that the watertight state is maintained,
The blind lid I is removed, and the working water control valve J and the connecting cylinder K are mounted on the working case S through the flange 114 in a watertight manner. The connecting tube K is provided with a working window. In addition,
At this time, the working water control valve J is in the open state (the eighth water control valve).
See figure).
（４）しかる後、切断機Ｈの駆動装置Ｌを取り付ける
（第９図参照）。(4) Thereafter, the driving device L of the cutting machine H is attached (see FIG. 9).
第10図は密閉ケースＳ内での駆動装置Ｌの駆動軸204
と切断機Ｈの駆動軸200との連結状態を示す。図から判
るように、両者の連結は接続筒Ｋの作業用窓を介して作
業用制水弁Ｊの下方近傍でなされる。FIG. 10 shows a driving shaft 204 of the driving device L in the closed case S.
And a connection state between the cutting machine H and the drive shaft 200 of the cutting machine H. As can be seen from the figure, the connection between the two is made near the lower part of the working water control valve J via the working window of the connecting cylinder K.
また、引寄せ具８はその操作レバー58が案内溝57a部
分にあり非係合状態となっている。The pulling tool 8 has the operation lever 58 in the guide groove 57a and is in a non-engaged state.
この状態で切断機Ｈを駆動し、流体管Ｐを切断してゆ
く。この切断機Ｈの切断機構は公知のもであって、駆動
軸200の回転は傘歯車機構によって２方向に振り分けら
れ、更に歯車機構並びにチェーン機構を介して切削バイ
トを流体管Ｐの外周面に当接させるとともに流体管Ｐ回
りに回転させ、流体管Ｐを直管状に切断する。In this state, the cutting machine H is driven to cut the fluid pipe P. The cutting mechanism of the cutting machine H is a known one, and the rotation of the drive shaft 200 is distributed in two directions by a bevel gear mechanism, and further, a cutting tool is attached to the outer peripheral surface of the fluid pipe P via a gear mechanism and a chain mechanism. The fluid pipe P is rotated around the fluid pipe P so that the fluid pipe P is cut into a straight pipe.
この切断に伴い、流体管Ｐ内の流体は作業用密閉ケー
スＳ、作業用制水弁Ｊ、接続筒Ｋ内に充満するが、外部
に溢れ出ることなく、不断水で作業される。また、その
切粉は密閉ケースＳの下底のドレーン管118より排出と
ともに排出される。With this cutting, the fluid in the fluid pipe P fills the working closed case S, the working water control valve J, and the connection tube K, but works without interruption without overflowing to the outside. In addition, the chips are discharged together with the discharge from the drain pipe 118 at the lower bottom of the closed case S.
（５）流体管Ｐの切断作業が完了すれば、切断片を抱持
したまま切断機Ｈを引き上げる。(5) When the cutting operation of the fluid pipe P is completed, the cutting machine H is pulled up while holding the cut piece.
そして、切断機Ｈが作業用制水弁Ｊを通過した時点で
作業用制水弁Ｊを閉じ、しかる後、切断機Ｈ並びにその
駆動装置Ｌを取り外す（第11図参照）。Then, when the cutting machine H passes through the working water control valve J, the working water control valve J is closed, and then the cutting machine H and its driving device L are removed (see FIG. 11).
（６）次いで、流体弁Ｖを装着した流体弁の挿入装置Ｍ
を接続筒Ｋ上に取り付ける（第12図）。このとき、流体
弁Ｖには接手環２が収縮状態で装着されるとともに、押
出しねじ27は装着されておらず、また、昇降軸135は収
縮された状態となっている。流体弁Ｖは接続筒Ｋ内に水
密に収容される。(6) Next, the fluid valve insertion device M equipped with the fluid valve V
Is mounted on the connecting tube K (FIG. 12). At this time, the joint ring 2 is attached to the fluid valve V in a contracted state, the extrusion screw 27 is not attached, and the elevating shaft 135 is in a contracted state. The fluid valve V is housed in the connection tube K in a watertight manner.
しかる後、作業用制水弁Ｊを開け、装入装置Ｍを駆動
して流体弁Ｖを作業用密封ケースＳ内へ押し込んでゆ
く。Thereafter, the working water control valve J is opened, and the charging device M is driven to push the fluid valve V into the working sealed case S.
このとき、流体弁Ｖは作業用密封ケースＳ内の案内レ
ール115に沿って降下されるので、切断部への装入は容
易になされる。At this time, the fluid valve V is lowered along the guide rail 115 in the working sealed case S, so that the fluid valve V can be easily inserted into the cut portion.
（７）引寄せ具８を操作して、伸縮接手環２を接続環１
の方向に向けて引き寄せる。(7) By operating the pulling tool 8, the expansion joint ring 2 is connected to the connecting ring 1.
In the direction of.
第13図はその初期の状態を示す。 FIG. 13 shows the initial state.
引寄せ具８は一旦前進させ、次いで反転させたのち、
その係合子55を伸縮接手環２のフランジ部19に係合す
る。After the pulling tool 8 is moved forward and then turned over,
The engaging element 55 is engaged with the flange 19 of the expansion joint ring 2.
この状態で、引寄せ具８のねじ棒55を更に回動させ、
移動軸53を引き戻してゆく。In this state, the screw rod 55 of the pulling tool 8 is further rotated,
The moving shaft 53 is pulled back.
第14図は引寄せを完了した状態を示す。 FIG. 14 shows a state in which the drawing has been completed.
図示されるように、伸縮接手環２の外側環３は切断部
を跨いで固定接続環１に水密に嵌合し、かつ外側環３に
装着されたシール材22は切口面Ｑに押圧当接されてい
る。これにより、流体管Ｐ内の流水は完全に止水された
状態となる。As shown in the figure, the outer ring 3 of the expansion joint ring 2 is fitted over the cut portion in a watertight manner to the fixed connection ring 1, and the sealing material 22 attached to the outer ring 3 is pressed against the cut surface Q. Have been. As a result, the flowing water in the fluid pipe P is completely stopped.
（８）作業用密閉ケースＳ内の流水をドレーン管118を
介して排水し、第15図に示すように、その密閉ケースＳ
内で押出しねじ27を回動して伸縮接手環２の外側環３を
更に押し込み、そのシール材22を切口面Ｑに強圧する。(8) The running water in the working closed case S is drained through the drain pipe 118, and as shown in FIG.
The outer screw 3 of the expandable joint ring 2 is further pushed by rotating the extrusion screw 27 in the inside, and the sealing material 22 is strongly pressed against the cut surface Q.
しかる後、作業用密閉ケースＳ、作業用制水弁Ｊ、接
続筒Ｋ等が取り外され、密閉接続装置においては固定接
続環１の後部にパッキング15及び押輪17を装着して水密
性を保持する。Thereafter, the working sealing case S, the working water control valve J, the connecting tube K, and the like are removed, and in the sealed connecting device, the packing 15 and the pressing ring 17 are attached to the rear portion of the fixed connecting ring 1 to maintain water tightness. .
なお、この工程において、作業用密閉ケースＳ内の流
水を排水すれば、作業用密閉ケースＳを直ちに取り外し
てもよい。In this step, if the running water in the working closed case S is drained, the working closed case S may be immediately removed.
（９）第16図に示すように、流体弁Ｖに開閉作動装置Ｎ
を装着し、また、必要に応じて流体弁Ｖの下部に基礎台
Ｏを設置する。(9) As shown in FIG.
And a base O is provided below the fluid valve V as necessary.
しかる後、所定の弁室処理をなし、地盤Ｅを埋め戻
す。Thereafter, predetermined valve room processing is performed, and the ground E is backfilled.
このように、本実施例方法によれば、流体弁Ｖの切断
部への挿入設置において、作業用密閉ケースＳの底部に
設けた摺動案内具７と本密封接続装置の各フランジ12,1
9との摺動作用により、軸方向の移動が案内され、その
挿入設置作業が円滑かつ容易になされる。As described above, according to the method of the present embodiment, when the fluid valve V is inserted into the cut portion, the sliding guide 7 provided at the bottom of the working sealed case S and the flanges 12, 1 of the sealed connection device are provided.
The sliding action with the shaft 9 guides the movement in the axial direction, and the insertion and installation work is performed smoothly and easily.
また、切断部の切口面Ｑはシール材22によって密封封
止され、当該切口面Ｑからの発錆は防止される。Further, the cut surface Q of the cut portion is hermetically sealed by the sealing material 22, and rusting from the cut surface Q is prevented.
本発明は上記実施例に限定されるものではなく、本発
明の基本的技術思想の範囲内で種々設計変更が可能であ
る。すなわち、以下の態様は本発明の技術的範囲内に包
含される。The present invention is not limited to the above embodiment, and various design changes can be made within the scope of the basic technical idea of the present invention. That is, the following embodiments are included in the technical scope of the present invention.
密封接続装置において、伸縮接手環２が伸縮自在とな
っていること、及びシール材22を抱持することが必須で
あり、その他の構成は実施例の構成に限定されず、適宜
変更されうる。In the hermetically-sealed connection device, it is essential that the expansion and contraction joint ring 2 is freely expandable and contractable, and the sealing member 22 is held. The other configuration is not limited to the configuration of the embodiment and can be changed as appropriate.
すなわち、固定接続環１は三つ割以上であってもよ
く、また、それらの後部の水密性を流体管との溶着によ
ってなしてもよい。伸縮接手環２の前部の流体弁Ｖとの
固着は溶着等の適宜手段を採りうる。固定接続環１と伸
縮接手環２との密封はパッキング23の外にフランジ部12
とフランジ部19との間に介装されるガスケットもしくは
パッキングによることができる。That is, the fixed connection ring 1 may be 30% or more, and the watertightness of the rear portion thereof may be achieved by welding with a fluid pipe. The fixing of the expansion joint ring 2 to the fluid valve V at the front part can be performed by appropriate means such as welding. The seal between the fixed connection ring 1 and the expansion joint ring 2 is provided outside the packing 23 by the flange portion 12.
The gasket or packing interposed between the flange portion 19 and the gasket can be used.
第17図は固定接続環１と伸縮接手環２との他の嵌合態
様を示す。FIG. 17 shows another fitting mode of the fixed connection ring 1 and the expansion joint ring 2.
図示されるように、固定接続環１においては水平鍔が
省略され、それに代って凹部70が形成され、伸縮接手環
２においてはフランジ部19から後方へ突出する水平鍔71
が設けられる。接手環２のフランジ部19が固定接続環１
のフランジ部12に衝接するとき、水平鍔71は凹部70に入
り込みそのパッキング72によって水密を保持し、更に、
接手環３の直角凹部20に装着されたシール材22は流体管
Ｐの切口面Ｑに当接し、切口面Ｑを封止する。As shown, the horizontal flange is omitted in the fixed connection ring 1, a concave portion 70 is formed instead, and the horizontal flange 71 projecting rearward from the flange portion 19 in the telescopic joint ring 2.
Is provided. The flange 19 of the joint ring 2 is the fixed connection ring 1
When abutting against the flange portion 12, the horizontal flange 71 enters the concave portion 70 to maintain watertightness by the packing 72, and further,
The sealing material 22 attached to the right-angled concave portion 20 of the joint ring 3 abuts on the cut surface Q of the fluid pipe P to seal the cut surface Q.
本発明方法・装置は流体制御弁の設置にのみ適用され
るものではなく、その他の用途、例えば流量計の設置に
適用でき、要はその対象物に伸縮接手環２を装着させう
れば足りる。The method / apparatus of the present invention is not limited to the installation of the fluid control valve, but can be applied to other uses, for example, the installation of a flow meter. In short, it is sufficient to mount the telescopic joint ring 2 on the object.
ハ．発明の効果 本発明によれば、以下の特有の効果を有する。C. Effects of the Invention According to the present invention, the following specific effects are obtained.
直管状に切断された流体管の切口面は本密封接続装置
に把持されたシール部材によって密封封止され、当該切
口面からの発錆を確実に防止することができる。The cut surface of the fluid pipe cut into a straight tube is hermetically sealed by a seal member gripped by the present hermetic connection device, so that rust from the cut surface can be reliably prevented.
図面は本発明の流体制御弁等の不断水設置方法及びその
密封接続装置の実施例を示すものであって、第１図は本
発明方法の施工途中の全体断面図、第２図はその一部断
面側面図、第３図（ａ）は第１図のＸ線矢視図、（ｂ）
図は（ａ）図のＹ−Ｙ線断面図、第４図（ａ）は本発明
装置の要部拡大図、（ｂ）図は（ａ）図のＡ部の拡大
図、第５図は初期工程図、第６図は第５図に続く工程
図、第７図は第６図に続く工程図、第８図は第７図に続
く工程図、第９図は切断工程を示す図、第10図は切断状
態の内部部、第11図は切断機及び切断片の引上げ工程
図、、第12図は流体弁の挿入工程図、第13図は流体弁の
接続操作の初期工程図、第14図は流体弁の接続操作の中
間工程図、第15図は流体弁の接続操作の完了工程図、第
16図は流体弁の設置終了図、第17図は接続環と接手環と
の他の対接態様図である。 Ｐ……流体管、Ｑ……切口面、Ｓ……作業用密閉ケー
ス、Ｖ……流体弁、１……固定接続環、２……伸縮接手
環、22……シール部材BRIEF DESCRIPTION OF THE DRAWINGS The drawings show an embodiment of a method for installing uninterrupted water, such as a fluid control valve, of the present invention and a hermetically-sealed connecting device thereof. FIG. Partial sectional side view, FIG. 3 (a) is an X-ray view of FIG. 1, (b)
4 (a) is an enlarged view of a main part of the apparatus of the present invention, FIG. 4 (b) is an enlarged view of a portion A in FIG. 4 (a), and FIG. FIG. 6 is a process diagram following FIG. 6, FIG. 6 is a process diagram following FIG. 6, FIG. 8 is a process diagram following FIG. 7, and FIG. FIG. 10 is an internal part in a cut state, FIG. 11 is a drawing diagram of a cutting machine and a pulling-up process of a cut piece, FIG. 12 is a drawing diagram of an insertion process of a fluid valve, FIG. FIG. 14 is an intermediate process diagram of the connection operation of the fluid valve, FIG. 15 is a completion process diagram of the connection operation of the fluid valve, FIG.
FIG. 16 is a view showing the completion of the installation of the fluid valve, and FIG. 17 is a view showing another state of contact between the connecting ring and the joint ring. P: fluid pipe, Q: cut face, S: working sealed case, V: fluid valve, 1 ... fixed connection ring, 2 ... telescopic joint ring, 22 ... sealing member
Claims (3)
管を直管状に切断し、次いで当該切断部に流体制御弁を
挿入設置する流体制御弁の不断水設置方法において、 予め流体制御弁の設置箇所の両側に相当する管周面にそ
れぞれ固定接続環を装着する工程、 切断機で流体管を切断した後、その切除部に、前記固定
接続環側の切口端面に当接されるシール材を抱持した伸
縮可能な伸縮接手環を収縮状態で装着した流体制御弁を
挿着する工程、 前記可動接手環を管軸方向に伸張して前記固定接続環に
水密に係合する工程、 からなる流体制御弁の不断水設置方法。In a method for installing a fluid control valve in a closed case, a fluid pipe is cut into a straight tube by a cutting machine and then a fluid control valve is inserted into the cut portion. A step of mounting a fixed connection ring on each of the pipe peripheral surfaces corresponding to both sides of the location.After cutting the fluid pipe with a cutting machine, a sealing material to be brought into contact with the cut end face of the fixed connection ring on the cut portion thereof. A step of inserting a fluid control valve in which a telescopic joint ring held in a contracted state is held, and a step of extending the movable joint ring in a pipe axis direction to engage with the fixed connection ring in a watertight manner. How to install the fluid control valve without interruption.
量計を設置する不断水設置工法。2. The method of claim 1, wherein a flow meter is installed instead of the fluid control valve.
に水密に固定装着される固定接続環と、 挿入設置される流体制御弁において、前記固定接続環に
対応して装着され、流体管の切口部に当接されるシール
材を抱持した管軸方向に伸縮可能な伸縮接手環と、 からなることを特徴とする密封接続装置。3. A fixed connection ring which is fixedly mounted on the peripheral surface of the pipe on both sides of a place where the fluid control valve is inserted, and a fluid control valve which is inserted and installed, corresponding to the fixed connection ring, A sealing connection device, comprising: an expansion / contraction joint ring that can expand and contract in the axial direction of the tube, holding a sealing material that is in contact with a cut portion of the fluid tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6895990A JP2649426B2 (en) | 1990-03-19 | 1990-03-19 | Non-stop water installation method such as fluid control valve and hermetic connection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6895990A JP2649426B2 (en) | 1990-03-19 | 1990-03-19 | Non-stop water installation method such as fluid control valve and hermetic connection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03272389A JPH03272389A (en) | 1991-12-04 |
| JP2649426B2 true JP2649426B2 (en) | 1997-09-03 |
Family
ID=13388722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6895990A Expired - Fee Related JP2649426B2 (en) | 1990-03-19 | 1990-03-19 | Non-stop water installation method such as fluid control valve and hermetic connection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2649426B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003343789A (en) * | 2002-05-28 | 2003-12-03 | Cosmo Koki Co Ltd | Fluid valve installation method in continuous water cutting-off construction method |
| JP2006112541A (en) * | 2004-10-15 | 2006-04-27 | Cosmo Koki Co Ltd | Cut opening anti-rust method in installation construction of insertion body |
| JP2007078146A (en) * | 2005-09-16 | 2007-03-29 | Cosmo Koki Co Ltd | Device for installing water control element |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4652014B2 (en) * | 2004-10-15 | 2011-03-16 | コスモ工機株式会社 | Rust prevention method for the cutting edge in the installation work of the insert |
| JP4700435B2 (en) * | 2005-08-09 | 2011-06-15 | コスモ工機株式会社 | Water control body installation device |
| JP5769251B2 (en) * | 2011-12-09 | 2015-08-26 | 株式会社水道技術開発機構 | Fluid equipment connection structure of existing pipe and joint ring used therefor |
| US11959577B2 (en) | 2020-02-14 | 2024-04-16 | Jeffrey Maichel | Insert valve and method of insertion into pressurized pipelines |
| US11892115B2 (en) | 2021-10-25 | 2024-02-06 | Jeffrey L. Maichel | Valve insertion tool |
-
1990
- 1990-03-19 JP JP6895990A patent/JP2649426B2/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003343789A (en) * | 2002-05-28 | 2003-12-03 | Cosmo Koki Co Ltd | Fluid valve installation method in continuous water cutting-off construction method |
| JP2006112541A (en) * | 2004-10-15 | 2006-04-27 | Cosmo Koki Co Ltd | Cut opening anti-rust method in installation construction of insertion body |
| JP4717409B2 (en) * | 2004-10-15 | 2011-07-06 | コスモ工機株式会社 | Rust prevention method for the cutting edge in the installation work of the insert |
| JP2007078146A (en) * | 2005-09-16 | 2007-03-29 | Cosmo Koki Co Ltd | Device for installing water control element |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03272389A (en) | 1991-12-04 |
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