JPH09174287A - Centering jig for vertical piping - Google Patents
Centering jig for vertical pipingInfo
- Publication number
- JPH09174287A JPH09174287A JP33686195A JP33686195A JPH09174287A JP H09174287 A JPH09174287 A JP H09174287A JP 33686195 A JP33686195 A JP 33686195A JP 33686195 A JP33686195 A JP 33686195A JP H09174287 A JPH09174287 A JP H09174287A
- Authority
- JP
- Japan
- Prior art keywords
- centering
- pieces
- vertical pipe
- projecting
- semi
- 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.)
- Granted
Links
Landscapes
- Supports For Pipes And Cables (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、予め設置してある
竪配管に取付管を接続するとき、接続しようとする管の
芯を竪配管の芯に合わせるための芯出し用治具に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a centering jig for aligning a core of a pipe to be connected with a core of a vertical pipe when connecting a mounting pipe to a vertical pipe installed in advance.
【０００２】[0002]
【従来の技術】従来、図７に示すごとく、一端を軸支し
た一対の半円形部材ａ，ａの各他端をボルトｂで締付け
ることで、竪配管の外周に固定設置するようにした締付
環ｃに、３個以上の芯出し片ｄを取付けてなる竪配管芯
出し用治具は知られている（実開平５−１８７８８号公
報）。2. Description of the Related Art Conventionally, as shown in FIG. 7, a pair of semi-circular members a, one end of which is pivotally supported, has the other ends fastened with bolts b so as to be fixedly installed on the outer circumference of a vertical pipe. A vertical pipe centering jig in which three or more centering pieces d are attached to a ring c is known (Japanese Utility Model Laid-Open No. 5-18788).
【０００３】[0003]
【発明が解決しようとする課題】しかし、このものは、
半円形部材ａ，ａを軸支しなければならず、しかも各他
端をボルトｂで締付けための座ｅを形成する必要もあっ
て、構造が複雑となり高価になると共に、芯出し片ｄは
フラットバーの内側面を傾斜させて構成しているため芯
出し片ｄの外方への広がりが自ずと制限され、チエンブ
ロック等で吊った状態で竪配管の上方に臨ませる取付配
管を、竪配管の芯近くに寄せる必要があり、それだけチ
エンブロック等の操作に高い精度を求める必要があり、
しかも、竪配管Ａを半円形部材の内面で締付けるように
しているため、同じ径の竪配管でもスリーブ継手を備え
るものと、スリーブ継手を備えないものとでは、共通の
治具を用いることができなかった。[Problems to be Solved by the Invention]
Since the semi-circular members a and a must be pivotally supported and the other end needs to be formed with a seat e for tightening with a bolt b, the structure becomes complicated and expensive, and the centering piece d is Since the inner surface of the flat bar is configured to be inclined, the outward expansion of the centering piece d is naturally limited, and the mounting pipe that faces the upper side of the vertical pipe when suspended by a chain block is It is necessary to bring it close to the core of the, and it is necessary to demand high precision for operation of the chain block, etc.
Moreover, since the vertical pipe A is fastened on the inner surface of the semicircular member, a common jig can be used for the vertical pipes having the same diameter and having the sleeve joint and those having no sleeve joint. There wasn't.
【０００４】本発明はかかる不具合を解消した竪配管芯
出し用治具を提供することを目的とする。An object of the present invention is to provide a jig for centering a vertical pipe in which such a problem is solved.
【０００５】[0005]
【課題を解決するための手段】本発明は、上記課題を達
成する手段として、合わせると竪配管の外周と同じ曲率
の内周円を形成する一対の半円形部材に、各半円形部材
の上端内縁から上方外側に向かって広がるように突出す
る芯出し片を、両半円形部材に設けた芯出し片の総数が
３本以上となるように取付けると共に、各半円形部材に
これから下方に突出する突片を設け、各突片をその外周
から締付手段で竪配管の外側に締付け固定するようにし
たことを特徴とし、かかる構成を備えることで、スリー
ブがあるものとないものとに共用出来、しかも該芯出し
片の傾きを大きく取ることが出来る芯出し用治具が得ら
れる。According to the present invention, as means for achieving the above-mentioned object, a pair of semi-circular members which, when combined, form an inner circumferential circle having the same curvature as the outer circumference of a vertical pipe, and the upper end of each semi-circular member. The centering pieces protruding from the inner edge so as to spread upward and outward are attached so that the total number of the centering pieces provided on both semi-circular members is three or more, and the semi-circular members project downward from this. A feature is that a protrusion is provided, and each protrusion is clamped and fixed from the outer periphery to the outside of the vertical pipe by tightening means.By having such a configuration, it can be used with or without a sleeve. Moreover, it is possible to obtain a centering jig which can take a large inclination of the centering piece.
【０００６】[0006]
【発明の実施の形態】本発明の実施の形態を図面に付き
説明する。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described with reference to the drawings.
【０００７】図でＡは、上端にスリーブ継手Ａ´備える
工事現場に予め固定設置した竪配管、Ｂは該竪配管Ａに
接続する取付配管を示す。In the figure, A is a vertical pipe fixedly installed in advance at a construction site having a sleeve joint A'on its upper end, and B is a mounting pipe connected to the vertical pipe A.
【０００８】１は該竪配管Ａの上端部に取付ける芯出し
用治具を示し、該芯出し用治具１は、合わせると竪配管
Ａの外周と同じ曲率の内周円を形成する半円形部材２，
２を備え、各半円形部材２，２には、その上端内縁から
上方外側に向かって広がる芯出し片３を夫々２本ずつ突
出させると共に、各半円形部材２，２に、内側面が各半
円形部材２，２の外側面と面一となる突片４を突出させ
た。Reference numeral 1 denotes a centering jig attached to the upper end of the vertical pipe A. The centering jig 1 is a semicircle that forms an inner circle having the same curvature as the outer circumference of the vertical pipe A when combined. Member 2,
Each of the semi-circular members 2 and 2 is provided with two centering pieces 3 that extend upward and outward from the inner edge of the upper end of the semi-circular members 2 and 2. The protruding piece 4 which is flush with the outer side surface of the semicircular members 2 and 2 is projected.
【０００９】これを更に説明すると、半円形部材２，２
はスリーブ継手Ａ´とほぼ合致する肉厚を備える幅約５
０mmの鉄板で構成し、芯出し片３は、厚さ９mm程度の鉄
板からなる帯板を、各半円形部材２，２の周方向の一側
端と中間位置とに設け、両半円形部材２，２を合わせて
円としたとき各芯出し片３が周方向に等間隔に４本突出
するように且つ各芯出し片３は半円形部材２に対し４５
度傾斜して外方に広がるように取付けた。To further explain this, the semicircular members 2, 2
Is approximately 5 in width with a wall thickness that approximately matches the sleeve joint A '.
The centering piece 3 is made of an iron plate having a thickness of 0 mm, and a band plate made of an iron plate having a thickness of about 9 mm is provided at one end of the semicircular members 2 and 2 in the circumferential direction and at an intermediate position. When 2 and 2 are combined into a circle, four centering pieces 3 project at equal intervals in the circumferential direction, and each centering piece 3 is 45 with respect to the semicircular member 2.
It was installed so that it is inclined at an angle and spreads outward.
【００１０】また、突片４は、各半円形部材２，２外側
の芯出し片３の取付け位置と同じ位置に取付けた長さ約
２００mmの帯状のばね性のある金属板で構成した。The projecting piece 4 is composed of a strip-shaped metal plate having a spring property and having a length of about 200 mm, which is mounted at the same position as the mounting position of the centering piece 3 on the outside of each semicircular member 2, 2.
【００１１】この芯出し用治具１は、各突片４をその外
周から締付手段５で竪配管Ａの外側に締付けて取付ける
もので該締付手段５として金属線を用いた。In this centering jig 1, each projecting piece 4 is attached from the outer periphery by tightening to the outside of the vertical pipe A by tightening means 5, and a metal wire is used as the tightening means 5.
【００１２】このため、図示するものでは各突片４の外
周に、上下数段に突起６を設け、該突起６間に形成され
る溝６ａに金属線を嵌めて該金属線による巻締めを行い
易くした。Therefore, in the illustrated example, projections 6 are provided in the upper and lower stages on the outer circumference of each projecting piece 4, and a metal wire is fitted in a groove 6a formed between the projections 6 and tightened by the metal wire. Made easier.
【００１３】しかし、該締付手段５は、金属線に限るも
のでなく、図６に示すごとく一対の環片５ａ，５ａをそ
の一端で軸支させ、且つばね５ｂで該環片５ａ，５ａが
互いに閉じる方向弾発させ、更に該環片５ａ，５ａと連
なり該軸支部と反対側に突出する操作部５ｃ，５ｃを備
えるクリップ等を用いることも出来る。However, the tightening means 5 is not limited to the metal wire, and as shown in FIG. 6, the pair of ring pieces 5a, 5a are pivotally supported at one end thereof, and the ring pieces 5a, 5a are supported by the spring 5b. It is also possible to use a clip or the like provided with operating portions 5c, 5c which are elastically urged in the direction of closing each other and further connected to the ring pieces 5a, 5a and projecting to the side opposite to the shaft supporting portion.
【００１４】なお、上述の実施の形態では、各半円形部
材２，２から芯出し片３並びに突片４を夫々２本ずつ突
出させたが、芯出し片３は、一方の半円形部材２から１
本、他方の半円形部材２から２本突出する総計３本とし
ても良く、また突片４は各半円形部材２，２からそれぞ
れ１本ずつ突出するものであっても良い。In the above-described embodiment, two centering pieces 3 and two protruding pieces 4 are projected from each of the semicircular members 2 and 2, but the centering piece 3 is one of the semicircular members 2. From 1
A total of three pieces may be provided by projecting two pieces from the other semi-circular member 2, and the projecting piece 4 may be provided by projecting one piece from each semi-circular member 2, 2.
【００１５】次ぎに本芯出し用治具１の取扱いを説明す
る。Next, handling of the main centering jig 1 will be described.
【００１６】スリーブ継手Ａ´を備える竪配管Ａに該竪
配管Ｂに接続する場合は、図２並びに図３に示すごと
く、該スリーブ継手Ａ´の上端縁に各半円形部材２，２
を載せて突片４を竪配管Ａの外側に沿わせ、その後各突
片４の外側を金属線で巻締めることで該芯出し用治具１
を竪配管Ａの外側に取付ける。そして、クレーンまたは
チエンブロックに吊った取付配管Ｂ（例えば長さ３０
ｍ）を漸次下降させれば、該取付配管Ｂの下端が芯出し
用治具１の芯出し片３に案内されて、取付配管Ｂの芯が
竪配管Ａの芯と合致し、スリーブＡ´内に正しく装着さ
れる。When connecting the vertical pipe A with the sleeve joint A'to the vertical pipe B, as shown in FIGS. 2 and 3, each of the semicircular members 2 and 2 is provided at the upper end edge of the sleeve joint A '.
On the outer surface of the vertical pipe A, and thereafter, the outer side of each protruding piece 4 is wound with a metal wire to tighten the centering jig 1.
On the outside of the vertical pipe A. Then, the mounting pipe B (for example, the length 30
When m) is gradually lowered, the lower end of the mounting pipe B is guided by the centering piece 3 of the centering jig 1, the core of the mounting pipe B matches the core of the vertical pipe A, and the sleeve A ' It is installed properly inside.
【００１７】次いで、各芯出し片３の間隔を利用してス
リーブ継手Ａ´の上端縁に取付配管Ａ´の外周を仮溶接
した後、芯出し用治具１を取外したのち本溶接を行う。Next, the outer circumference of the mounting pipe A'is provisionally welded to the upper edge of the sleeve joint A'using the space between the centering pieces 3, and then the centering jig 1 is removed and then the main welding is performed. .
【００１８】スリーブ継手Ｂを備えない竪配管Ａの上端
に取付配管Ｂを突合わせて接続する場合は、図４並びに
図５に示するごとく、該竪配管Ａの上端部周縁に各半円
形部材２，２を沿わせ、その後各突片４の外側を金属線
で巻締めて、該芯出し用治具１を竪配管Ａに取付ける。
そして、クレーンまたはチエンブロックに吊った取付配
管Ｂを漸次下降させれば、該取付配管Ｂの下端は、芯出
し用治具１の芯出し片３に案内されて、取付配管Ｂと竪
配管Ａの芯が合致し、しかも取付配管Ｂの下端が竪配管
Ａの上面に突合わされた状態となる。When the mounting pipe B is butt-connected to the upper end of the vertical pipe A without the sleeve joint B, as shown in FIGS. 4 and 5, each semicircular member is provided around the upper end of the vertical pipe A. 2 and 2 are arranged, and thereafter, the outside of each projecting piece 4 is wound with a metal wire, and the centering jig 1 is attached to the vertical pipe A.
Then, when the mounting pipe B hung on the crane or chain block is gradually lowered, the lower end of the mounting pipe B is guided by the centering piece 3 of the centering jig 1, and the mounting pipe B and the vertical pipe A are guided. Are aligned, and the lower end of the mounting pipe B is butted against the upper surface of the vertical pipe A.
【００１９】そこで、各芯出し片３の間隔を利用して、
竪配管Ａと取付配管Ｂの突合部を仮溶接した後、芯出し
用治具１を取外したのち該部の本溶接を行う。Therefore, by utilizing the interval between the centering pieces 3,
After the butt joint between the vertical pipe A and the mounting pipe B is temporarily welded, the centering jig 1 is removed, and then the main weld is performed.
【００２０】なお、前記実施例では取付配管の外側に仮
溶接した後、芯出し用治具を取外し本溶接を行う例を示
したが、スリーブ管を使用する場合には仮溶接の前に治
具を取外すことも可能である。In the above embodiment, the temporary welding is performed on the outside of the mounting pipe, the centering jig is removed, and the main welding is performed. However, when the sleeve pipe is used, the welding is performed before the temporary welding. It is also possible to remove the tool.
【００２１】[0021]
【発明の効果】このように本発明によるときは、スリー
ブがあるものとないものとに共用でき、しかも各半円形
部材の上端内縁から上方外側に向かって広がるように芯
出し片を突出させたので、芯出し片の傾き角度を比較的
大きく取ることができ、しかも、一対の半円形部材は、
従来にもののように軸支部等を必要とせずその分構造簡
単となり安価に得られる。As described above, according to the present invention, the centering piece can be commonly used with and without the sleeve, and the centering piece is projected so as to spread upward from the inner edge of the upper end of each semicircular member. Therefore, the inclination angle of the centering piece can be made relatively large, and the pair of semicircular members are
Unlike the conventional one, it does not require a shaft support portion or the like, and the structure is simpler and the cost can be reduced.
【図１】 発明の実施の形態を示す斜面図FIG. 1 is a perspective view showing an embodiment of the invention.
【図２】 スリーブ継手を備えるに竪配管に適用した使
用状態を説明する斜視図FIG. 2 is a perspective view illustrating a usage state in which a sleeve joint is provided and vertical pipes are used.
【図３】 図２の截断側面図FIG. 3 is a cutaway side view of FIG. 2;
【図４】 スリーブ継手を備えない竪配管に適用した使
用状態を説明する説明図FIG. 4 is an explanatory view illustrating a usage state applied to a vertical pipe without a sleeve joint.
【図５】 図４の截断側面図5 is a cutaway side view of FIG.
【図６】 締付手段の他の例を示す斜視図FIG. 6 is a perspective view showing another example of the fastening means.
【図７】 従来例を示す斜視図FIG. 7 is a perspective view showing a conventional example.
Ａ 竪配管 Ａ´ スリーブ継手 Ｂ
取付配管 １ 芯出し用治具 ２ 半円形部材 ３
芯出し片 ４ 突片 ５ 突起A Vertical piping A'Sleeve joint B
Mounting pipe 1 Centering jig 2 Semi-circular member 3
Centering piece 4 Projection piece 5 Projection
Claims (1)
円を形成する一対の半円形部材に、各半円形部材の上端
内縁から上方外側に向かって広がるように突出する芯出
し片を、両半円形部材に設けた芯出し片の総数が３本以
上となるように取付けると共に、各半円形部材にこれか
ら下方に突出する突片を設け、各突片をその外周から締
付手段で竪配管の外側に締付け固定するようにしたこと
を特徴とする竪配管芯出し用治具。1. A pair of semi-circular members forming an inner circumference having the same curvature as the outer circumference of the vertical pipe when combined, with a centering piece protruding from the inner edge of the upper end of each semi-circular member so as to widen upward and outward. The semi-circular members are attached so that the total number of the centering pieces is three or more, and each semi-circular member is provided with a projecting piece projecting downward, and each projecting piece is tightened from its outer periphery by a fastening means. A jig for centering a vertical pipe, which is characterized by being tightened and fixed to the outside of the vertical pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33686195A JP3649795B2 (en) | 1995-12-25 | 1995-12-25 | 竪 Pipe centering jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33686195A JP3649795B2 (en) | 1995-12-25 | 1995-12-25 | 竪 Pipe centering jig |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09174287A true JPH09174287A (en) | 1997-07-08 |
| JP3649795B2 JP3649795B2 (en) | 2005-05-18 |
Family
ID=18303341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP33686195A Expired - Lifetime JP3649795B2 (en) | 1995-12-25 | 1995-12-25 | 竪 Pipe centering jig |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3649795B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104668876A (en) * | 2015-01-30 | 2015-06-03 | 广西壮族自治区冶金建设公司 | Quick rounding device for steel cylinder section pairing |
| CN113370139A (en) * | 2021-07-13 | 2021-09-10 | 李慧敏 | Shell installation equipment for production and processing of level instruments and meters |
-
1995
- 1995-12-25 JP JP33686195A patent/JP3649795B2/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104668876A (en) * | 2015-01-30 | 2015-06-03 | 广西壮族自治区冶金建设公司 | Quick rounding device for steel cylinder section pairing |
| CN113370139A (en) * | 2021-07-13 | 2021-09-10 | 李慧敏 | Shell installation equipment for production and processing of level instruments and meters |
| CN113370139B (en) * | 2021-07-13 | 2022-09-20 | 济宁华瑞自动化技术有限公司 | Shell installation equipment for production and processing of level instruments and meters |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3649795B2 (en) | 2005-05-18 |
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|---|---|---|---|
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