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JP6798855B2 - Straightening jig - Google Patents
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JP6798855B2 - Straightening jig - Google Patents

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JP6798855B2
JP6798855B2 JP2016208983A JP2016208983A JP6798855B2 JP 6798855 B2 JP6798855 B2 JP 6798855B2 JP 2016208983 A JP2016208983 A JP 2016208983A JP 2016208983 A JP2016208983 A JP 2016208983A JP 6798855 B2 JP6798855 B2 JP 6798855B2
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pipe
pipes
parallel body
metal pipes
straightening jig
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JP2018071830A (en
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賢一 室山
賢一 室山
小川 隆
隆 小川
重 中田
重 中田
輝彦 黒籔
輝彦 黒籔
弘 薄井
弘 薄井
一安 久枝
一安 久枝
清博 井手
清博 井手
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三井E&S環境エンジニアリング株式会社
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Description

本発明は、管列矯正治具に関し、より詳しくは、管列を構成する配管が曲がったことにより狭くなった配管間の間隙の幅を元の幅に矯正できる管列矯正治具に関する。 The present invention relates to a pipe column straightening jig, and more particularly to a pipe row straightening jig capable of correcting the width of a gap between pipes narrowed due to bending of the pipes constituting the pipe row to the original width.

特許文献1には、配管を真円に矯正する矯正治具が開示されている。 Patent Document 1 discloses a straightening jig that straightens a pipe into a perfect circle.

特開2001−193889号公報Japanese Unexamined Patent Publication No. 2001-193889

ボイラーでは、ボイラー室内に数百本の伝熱管が吊り下げられている。吊り下げられた伝熱管の中には、中間部付近で、折り曲がって、隣接する伝熱管に接触したりして、有効な伝熱面積を減少させるなどの問題があった。伝熱管が曲折すると、吊り下げ金具が外れたりするおそれもあった。 In the boiler, hundreds of heat transfer tubes are suspended in the boiler room. Some of the suspended heat transfer tubes have problems such as bending near the middle portion and contacting adjacent heat transfer tubes to reduce the effective heat transfer area. If the heat transfer tube is bent, the hanging bracket may come off.

かかる曲折伝熱管を矯正するのに、特許文献1のような治具を使用しようとしても、複数の伝熱管が密接した場所で矯正することは困難であり、コストもかかる問題がある。 Even if an attempt is made to use a jig as in Patent Document 1 to correct such a bent heat transfer tube, it is difficult to correct the bent heat transfer tube in a place where a plurality of heat transfer tubes are in close contact with each other, and there is a problem that the cost is high.

そこで、本発明の課題は、密接した伝熱管の曲折矯正に適用でき、現場にある廃材になるような配管を利用でき、低コストで製作できる管列矯正治具を提供することにある。 Therefore, an object of the present invention is to provide a pipe column straightening jig that can be applied to the bending straightening of a close heat transfer tube, can use a pipe that becomes waste material at the site, and can be manufactured at low cost.

また本発明の他の課題は、以下の記載によって明らかとなる。 Further, other problems of the present invention will be clarified by the following description.

上記課題を解決する請求項1記載の管列矯正治具は、 管列を構成する配管が曲がったことにより狭くなった配管間の間隙の幅を元の幅に矯正する管列矯正治具であって、
前記管列が、ボイラー室内に設けられた複数の円筒状の配管である伝熱管によって縦列と横列に構成された管列であり、
並設された複数の円筒状の金属配管同士が溶接により一体化されて配管並設体を形成し、
該配管並設体の一端側に、金属配管によって構成されハンドルを設けてなり、かつ該配管並設体における複数の金属配管の並設方向と、前記ハンドルを構成する金属配管の長手方向が一致するように構成されることを特徴とする。
The pipe row straightening jig according to claim 1 for solving the above problems is a pipe row straightening jig that corrects the width of the gap between pipes narrowed due to bending of the pipes constituting the pipe row to the original width. There,
The pipe row is a pipe row formed in columns and rows by heat transfer tubes, which are a plurality of cylindrical pipes provided in the boiler chamber.
A plurality of cylindrical metal pipes arranged side by side are integrated by welding to form a pipe parallel body.
A handle made of metal pipes is provided on one end side of the pipe parallel body, and the parallel direction of a plurality of metal pipes in the pipe parallel body and the longitudinal direction of the metal pipes constituting the handle are It is characterized in that it is configured to match .

上記課題を解決する請求項2記載の管列矯正治具は、請求項1記載の管列矯正治具において、前記配管並設体は、複数の金属配管の廃材を並設させ溶接により一体化させて形成されることを特徴とする。 The pipe row straightening jig according to claim 2 for solving the above problems is the pipe row straightening jig according to claim 1. In the pipe row straightening jig according to claim 1, the pipe parallel body is integrated by welding a plurality of waste materials of metal pipes side by side. It is characterized in that it is formed by forming.

本発明によれば、密接した伝熱管の曲折矯正に適用でき、現場にある廃材になるような配管を利用でき、低コストで製作でき、廃材のリサイクルにも寄与する管列矯正治具を提供することができる。 According to the present invention, there is provided a pipe column straightening jig that can be applied to straightening the bending of a close heat transfer tube, can use a pipe that becomes waste material at the site, can be manufactured at low cost, and contributes to recycling of waste material. can do.

第1態様に係る管列矯正治具を説明する斜視図Perspective view explaining the pipe row straightening jig which concerns on 1st aspect. 管列矯正の一例を説明する図Diagram illustrating an example of orthodontic treatment 第2態様に係る管列矯正治具を説明する斜視図Perspective view explaining the pipe row straightening jig which concerns on 2nd aspect. 第3態様に係る管列矯正治具を説明する斜視図Perspective view explaining the pipe row straightening jig which concerns on 3rd aspect.

以下に、図面を参照して本発明を実施するための形態について詳しく説明する。 Hereinafter, embodiments for carrying out the present invention will be described in detail with reference to the drawings.

図1は、本発明の管列矯正治具の第1態様を説明する斜視図である。 FIG. 1 is a perspective view illustrating a first aspect of the row straightening jig of the present invention.

管列矯正治具1は、並設された2本の金属配管21の一端側に金属製のハンドル3を有してなる。2本の金属配管21は溶接により一体化されている。符号22は、複数の金属配管21を一体化する溶接部を示している。一体化された複数の金属配管21は、配管並設体2を形成している。 The pipe row straightening jig 1 has a metal handle 3 on one end side of two metal pipes 21 arranged side by side. The two metal pipes 21 are integrated by welding. Reference numeral 22 indicates a welded portion that integrates a plurality of metal pipes 21. The plurality of integrated metal pipes 21 form a pipe parallel body 2.

金属配管21は、現場に廃棄されている配管が用いられる。管列矯正治具を低コストで製作でき、結果として廃材のリサイクルにも寄与する。 As the metal pipe 21, a pipe that is discarded at the site is used. The column straightening jig can be manufactured at low cost, and as a result, it contributes to the recycling of waste materials.

本態様において、配管並設体2を構成する2本の金属配管21は、隣り合う金属配管21に対して、長手方向に沿う実質的に全長を溶接部22により溶接されている。 In this embodiment, the two metal pipes 21 constituting the pipe parallel body 2 are welded to the adjacent metal pipes 21 by the welded portion 22 in substantially the entire length along the longitudinal direction.

配管並設体2は、ハンドル3の長手方向の中央部から該ハンドル3に対して延びている。配管並設体2とハンドル3との交点のなす角度は、格別限定されないが、作業場の状況等を鑑みて適宜決定することができ、例えば30°〜90°とすることができる。そして、配管並設体2を構成する複数の管状体21の一端面と、ハンドル3を構成する金属配管31の外周面とは、溶接部32により一体化されている。 The pipe parallel body 2 extends from the central portion of the handle 3 in the longitudinal direction with respect to the handle 3. The angle formed by the intersection of the pipe parallel body 2 and the handle 3 is not particularly limited, but can be appropriately determined in consideration of the situation of the workplace and the like, and can be, for example, 30 ° to 90 °. Then, one end surface of the plurality of tubular bodies 21 constituting the pipe parallel body 2 and the outer peripheral surface of the metal pipe 31 forming the handle 3 are integrated by a welded portion 32.

本態様では、配管並設体2を一体化する溶接部22と、配管並設体2及びハンドル3間を一体化する溶接部32とが連続的に設けられている。これにより、管列矯正治具1の全体としての強度を更に向上することができる。 In this embodiment, the welded portion 22 that integrates the pipe parallel body 2 and the welded portion 32 that integrates the pipe parallel body 2 and the handle 3 are continuously provided. Thereby, the strength of the pipe row straightening jig 1 as a whole can be further improved.

なお、ハンドル3を構成する金属配管31は溶接に限らず、別途、図示しないハンドル支持部を設け、配管並設体2と溶接し、ハンドル支持部に金属配管31を着脱可能にすることによって、ハンドル3を構成することもできる。この場合、ハンドル支持部は、金属配管よりなり、その内径は、金属配管31の外径よりも大径に構成されている。これにより、使用し終わった後に、分離できるようになるため、作業場の邪魔にならないように収納が可能になる。 The metal pipe 31 constituting the handle 3 is not limited to welding, and a handle support portion (not shown) is separately provided and welded to the pipe parallel body 2 so that the metal pipe 31 can be attached to and detached from the handle support portion. The handle 3 can also be configured. In this case, the handle support portion is made of a metal pipe, and the inner diameter thereof is larger than the outer diameter of the metal pipe 31. As a result, it can be separated after it has been used, so that it can be stored out of the way of the workplace.

この管列矯正治具1に用いる配管は、前述のように、現場にある配管を利用して構成できる。つまり、その場の廃材等の配管を利用して、治具を生成できてしまうため、リサイクルにも有効であるし、壊れた場合であっても、溶解することで再利用が可能であるため、有用である。 As described above, the pipe used for the pipe row straightening jig 1 can be configured by using the pipe at the site. In other words, since jigs can be generated using pipes such as waste materials on the spot, it is also effective for recycling, and even if it breaks, it can be reused by melting it. , Useful.

次に、図2に示す管列矯正の一例に基づいて、管列矯正治具1について更に詳しく説明する。 Next, the pipe row straightening jig 1 will be described in more detail based on the example of the pipe row straightening shown in FIG.

本態様では、図2(a)に示すように、管列4を構成する複数の配管41のうちの一部の配管41に湾曲が生じている。その結果、少なくとも一方が湾曲した配管41からなる一対の配管41、41間の間隙の幅が、本来の幅(この例では折り曲げや湾曲がない場合の幅)である所定幅よりも小さくなっている。 In this aspect, as shown in FIG. 2A, some of the pipes 41 among the plurality of pipes 41 constituting the pipe row 4 are curved. As a result, the width of the gap between the pair of pipes 41, 41 composed of pipes 41 having at least one curved portion becomes smaller than the original width (the width when there is no bending or bending in this example). There is.

かかる配管41、41間の間隙に対して配管並設体2を挿入する。配管並設体2を構成する2本の金属配管21、21の並設方向は、配管41の長手方向に沿うように配向した状態で挿入することができる。これにより、配管並設体2の挿入に伴う配管41、41の損傷を防止できる。 The pipe parallel body 2 is inserted into the gap between the pipes 41 and 41. The two metal pipes 21 and 21 constituting the pipe parallel body 2 can be inserted in a state of being oriented along the longitudinal direction of the pipe 41. As a result, damage to the pipes 41 and 41 due to the insertion of the pipe parallel body 2 can be prevented.

次いで、図2(b)に示すように、ハンドル3によって配管並設体2を軸回転させて、配管並設体2を構成する2本の金属配管21、21の並設方向を、配管41、41間の間隙の幅方向(配管41、41の配列方向)に向けて傾斜させる。ここでは、配管並設体2を構成する2本の金属配管21、21の並設方向を、配管41、41間の間隙の幅方向に一致させている。このようにして、配管41、41間の間隙を拡開して、所定幅に矯正することができる。 Next, as shown in FIG. 2B, the pipe parallel body 2 is axially rotated by the handle 3, and the parallel arrangement direction of the two metal pipes 21 and 21 constituting the pipe parallel body 2 is set to the pipe 41. , 41 is inclined toward the width direction of the gap (the arrangement direction of the pipes 41 and 41). Here, the juxtaposed directions of the two metal pipes 21 and 21 constituting the pipe juxtaposed body 2 are aligned with the width direction of the gap between the pipes 41 and 41. In this way, the gap between the pipes 41 and 41 can be widened and corrected to a predetermined width.

配管並設体2が、2本の金属配管21を並設してなるため、配管並設体2が軸回転する過程において、配管並設体2は両側の配管41、41に対して常に曲面で接する。これにより矯正に伴う配管41、41の損傷を防止できる。 Since the pipe parallel body 2 is formed by arranging two metal pipes 21 side by side, the pipe parallel body 2 is always curved with respect to the pipes 41 and 41 on both sides in the process of axial rotation of the pipe parallel body 2. Contact with. As a result, damage to the pipes 41 and 41 due to straightening can be prevented.

以上の説明では、配管並設体2を2本の金属配管21により構成する場合について主に示したが、これに限定されない。例えば、図3に示すように配管並設体2を構成する金属配管21は3本でもよいし、図示しないが4本以上であってもよい。矯正対象となる間隙の幅に応じて、並設数を自在に設定できる。 In the above description, the case where the pipe parallel body 2 is composed of two metal pipes 21 is mainly shown, but the present invention is not limited to this. For example, as shown in FIG. 3, the number of metal pipes 21 constituting the parallel pipes 2 may be three, or may be four or more (not shown). The number of parallel arrangements can be freely set according to the width of the gap to be corrected.

金属配管21の数が3本以上の場合においても、2本の場合と同様に、隣り合う金属配管21間は溶接部22により溶接することができる。 Even when the number of metal pipes 21 is three or more, welding can be performed between the adjacent metal pipes 21 by the welded portion 22 as in the case of two.

溶接に関しては、図4に示すように、配管並設体2を構成する複数の金属配管21は、長手方向に所定の間隔でスポット溶接23により一体化されていてもよい。 Regarding welding, as shown in FIG. 4, a plurality of metal pipes 21 constituting the pipe parallel body 2 may be integrated by spot welding 23 at predetermined intervals in the longitudinal direction.

なお、配管並設体2を構成する複数の金属配管21の長さは、互いに異なってもよい。現場の廃材を有効利用するためである。 The lengths of the plurality of metal pipes 21 constituting the parallel pipes 2 may be different from each other. This is to make effective use of waste materials at the site.

1:管列矯正治具
2:配管並設体
21:金属配管
22:溶接部
23:溶接部(スポット溶接)
3:ハンドル
31:金属配管
32:溶接部
4:管列
41:配管
1: Pipe row straightening jig 2: Pipe parallel body 21: Metal pipe 22: Welded part 23: Welded part (spot welding)
3: Handle 31: Metal piping 32: Welded part 4: Pipe row 41: Piping

Claims (2)

管列を構成する配管が曲がったことにより狭くなった配管間の間隙の幅を元の幅に矯正する管列矯正治具であって、
前記管列が、ボイラー室内に設けられた複数の円筒状の配管である伝熱管によって縦列と横列に構成された管列であり、
並設された複数の円筒状の金属配管同士が溶接により一体化されて配管並設体を形成し、
該配管並設体の一端側に、金属配管によって構成されハンドルを設けてなり、かつ該配管並設体における複数の金属配管の並設方向と、前記ハンドルを構成する金属配管の長手方向が一致するように構成されることを特徴とする管列矯正治具。
It is a pipe row straightening jig that corrects the width of the gap between pipes narrowed due to the bending of the pipes that make up the pipe row to the original width.
The pipe row is a pipe row formed in columns and rows by heat transfer tubes, which are a plurality of cylindrical pipes provided in the boiler chamber.
A plurality of cylindrical metal pipes arranged side by side are integrated by welding to form a pipe parallel body.
A handle made of metal pipes is provided on one end side of the pipe parallel body, and the parallel direction of a plurality of metal pipes in the pipe parallel body and the longitudinal direction of the metal pipes constituting the handle are A pipe straightening jig characterized by being configured to match .
前記配管並設体は、複数の金属配管の廃材を並設させ溶接により一体化させて形成されることを特徴とする請求項1記載の管列矯正治具。 The pipe row straightening jig according to claim 1, wherein the pipe parallel body is formed by arranging waste materials of a plurality of metal pipes side by side and integrating them by welding.
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JPS553152Y2 (en) * 1976-03-15 1980-01-25
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JPS5982663U (en) * 1982-11-27 1984-06-04 佐藤 竹二郎 T-shaped pipe assembly tool
DE3541052A1 (en) * 1985-11-19 1987-05-21 Marquet & Cie Noel FOAM PANELS AND BLOCKS FROM HOLLOW PROFILES, THEIR PRODUCTION AND THEIR USE AS INSULATING AND / OR DRAINAGE PANELS
JPH0712771U (en) * 1993-06-29 1995-03-03 日立電線株式会社 Perforated flat tube
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