JPS60257972A - Weld groove mating method - Google Patents
Weld groove mating methodInfo
- Publication number
- JPS60257972A JPS60257972A JP11298984A JP11298984A JPS60257972A JP S60257972 A JPS60257972 A JP S60257972A JP 11298984 A JP11298984 A JP 11298984A JP 11298984 A JP11298984 A JP 11298984A JP S60257972 A JPS60257972 A JP S60257972A
- Authority
- JP
- Japan
- Prior art keywords
- hollow cylinder
- cylinder
- ring
- hollow
- joined
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/02—Seam welding; Backing means; Inserts
- B23K9/028—Seam welding; Backing means; Inserts for curved planar seams
- B23K9/0282—Seam welding; Backing means; Inserts for curved planar seams for welding tube sections
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
Description
【発明の詳細な説明】
〔発明の利用分野〕
本発明け、中空円筒および各種中空材の突合わせ溶接作
業に係り、特に開先合わせ作業において作業改善に関す
るものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Application of the Invention] The present invention relates to butt welding work for hollow cylinders and various hollow members, and particularly to improving work in groove matching work.
中空円筒（管材）の両端に開先をとった突合わせ溶接は
、すみ肉溶接などと比較すると溶接後の強度は犬であり
、建屋の柱、５０Ａを越える配管などの管材の接合は、
はとんどこの突合わせ溶接方法が用いられている。Butt welding, which has grooves at both ends of a hollow cylinder (pipe material), has a weaker strength after welding than fillet welding, etc., and when joining pipe materials such as building columns and pipes exceeding 50A,
This butt welding method is commonly used.
従来の管材の突合せ溶接の手順を添付図によりＨ発明す
る。The conventional procedure for butt welding of pipe materials will be explained with reference to the attached drawings.
最初に第１図に示す方法である。The first method is shown in FIG.
接合させる２つの管材１．２の芯出しをトランジットな
どで行ない、ゲージでルート間隔をとる（配管に関して
はトランジットを用いることは少なく、ルート間隔をと
ることで芯出しも合わせて行なうのがふつうである。）
、その後、ジヨイントピース３を溶接にて取付ける。も
しくは、プレート４を用いボルト締めにて開先合わせを
行なう。The two pipe materials 1 and 2 to be joined are centered using a transit, etc., and the route spacing is determined using a gauge. be.)
Then, the joint piece 3 is attached by welding. Alternatively, the grooves are aligned by bolting using the plate 4.
その後、管材どうしの本溶接を行ない接合する。After that, the pipe materials are joined by main welding.
本溶接後、場所にＬってはジヨイントピースを残こすが
、配管などの場合は、ジヨイントピースの撤去を行なう
。最後に、グラインダーなどによる仕上げを行なう。After the main welding, a joint piece is left in some places, but in the case of piping, etc., the joint piece is removed. Finally, finish with a grinder etc.
他の方法として第２図に示すものがある。Another method is shown in FIG.
これは主に抗の接合時に行なわれる方法である。This method is mainly used when bonding wires.
管材の一方の端部内側に、ストッパー５およびリング６
を入れたものを使用することにより、２つの管材の芯を
出し、他方の管材をクレーンなどで吊った！ｆま、ゲー
ジによりルート間隔を設定しその後、本溶接を行なう。A stopper 5 and a ring 6 are installed inside one end of the tube.
By using a pipe with 2 pipes inside, the cores of the two pipes were taken out and the other pipe was hung with a crane! f. Set the route spacing using a gauge, and then perform the main welding.
従来このような方法をとっていたが、最初の方法では、
芯出しが容易でない、つまり開先を合わせにくい、特に
配管などの場合、トランジットを用いないので配管が一
直線にならないおそれがある。ジヨイントピースの取付
け、撤去という作業がある。撤去しない場合は外観が良
くない。Previously, this method was used, but in the first method,
In cases where centering is not easy, that is, it is difficult to align the grooves, especially for piping, there is a risk that the piping will not be aligned in a straight line because no transit is used. There is work to install and remove joint pieces. If not removed, the appearance will not be good.
もうひとつの方法では、ルート間隔が設定しにくい、内
＄１１１にリングを取付けることより完全な突合わせ溶
接が出来ないため、溶接後の強度は低下する。などの欠
点があり、これらによる工数の多さも問題であった。In the other method, it is difficult to set the root spacing, and complete butt welding cannot be achieved by attaching the ring to the inner ring, so the strength after welding decreases. There are drawbacks such as, and the large number of man-hours required due to these is also a problem.
本発明の目的は、中空円筒（管材）および各種中空材の
突合せ溶接作業時において、精度の向上および作業工数
の減少を提供することにある。An object of the present invention is to improve accuracy and reduce the number of man-hours during butt welding of hollow cylinders (pipe materials) and various hollow materials.
現状の中空円筒材と中空円筒材の突合わせ溶接作業時の
問題点は、第１に溶接を行なう２つの中空円筒と中空円
筒の芯出し、およびルート間隔の設定が迅速かつ正確に
出来ない。第２に接合のために２つの中空円筒を仮止め
する補助材（ジヨイントピースなど）を中空円筒外側に
設置するため外観が良くない１、このため場所によって
は撤去する必要がある。The problem with the current butt welding work of hollow cylindrical materials is that firstly, the centering of the two hollow cylinders to be welded and the setting of the root spacing cannot be done quickly and accurately. Second, the auxiliary material (joint piece, etc.) that temporarily fastens the two hollow cylinders together for joining is installed outside the hollow cylinders, which does not look good1, so it may be necessary to remove them depending on the location.
これらの原因として前者は、芯出しおよびルート間隔の
設定のためのガイドとなる補助材がない。The reason for these problems is that in the former case, there is no auxiliary material that serves as a guide for centering and setting the root spacing.
後者は中空円筒外側に仮止めのための補助材を取 ′付
けている。というところにある。The latter has an auxiliary material attached to the outside of the hollow cylinder for temporary fixing. It's there.
これらの解決法としては、中空円筒内側に仮止めのだめ
の補助材を取付け、なおかつ、補助材が芯出し、ルート
間隔設定のガイドとなるようにすればよい。A solution to these problems is to attach an auxiliary material for temporary fixing to the inside of the hollow cylinder, and to use the auxiliary material as a guide for centering and setting the route spacing.
本発明は、仮止めのための補助材をそれぞれの中空円筒
の両端部内側に取付け、接合時合う面な中空円筒軸方向
に対し傾斜しに面（テーパー状の而）としたものである
。In the present invention, auxiliary materials for temporary fixing are attached to the inside of both ends of each hollow cylinder, and the surfaces that meet during joining are inclined surfaces (tapered surfaces) with respect to the axial direction of the hollow cylinders.
以下に本発明の実施例を添付図を参照しながら説明する
。Embodiments of the present invention will be described below with reference to the accompanying drawings.
第３図は本発明の一実施例である。FIG. 3 shows an embodiment of the present invention.
一方の脚が上底お工び下底に垂直で、他の脚が下底に対
し４５°傾いている台形（上底く下底）の断面をもつリ
ング７（第４図）を接合する中空円筒の一方の内側に端
部から数Ｃ，中空円筒長さ方向中心はいったところに、
ト底が中空円筒端面方向つ捷り中空円筒の外に向くよう
に取付ける。Join ring 7 (Fig. 4), which has a trapezoidal cross section (upper base meets lower base) with one leg perpendicular to the upper base and the lower base and the other leg inclined at 45 degrees to the lower base. Inside one of the hollow cylinders, a few C from the end, the center of the hollow cylinder in the longitudinal direction is located,
Attach so that the bottom of the hollow cylinder is bent toward the end surface of the hollow cylinder and faces outward from the hollow cylinder.
またＬ型形状角柱の長い方の角材の部分をＬｔ角柱、短
い方の角柱の部分をり、角柱として、Ｌ を角柱の端部
をＬｔ角柱中心に対して垂直な面からＬ−角柱方向に４
５°傾き、がっ、前述したリングの内側のテーパー面の
曲率と合った曲率をもつＬ型形状角柱８（第５図）のＬ
−側の端部を接合する他方の中空円筒の端部内側に端部
より数Ｃ，，中空円筒長さ中心にはいったところに、Ｌ
ｔ角柱が中空円筒の軸中心と平行になるように、捷た、
Ｌｌの端面が中空円筒の端面方向つまり中空円筒の外に
向くように、抜故個中空円筒内周を等間隔に分けるとこ
ろに取付ける。In addition, the longer part of the L-shaped prism is the Lt prism, the shorter part is the prism, and L is the end of the prism from the plane perpendicular to the Lt prism center in the L-prism direction. 4
The L of the L-shaped prism 8 (Fig. 5) with a curvature that matches the curvature of the inner tapered surface of the ring, with a 5° inclination.
At the inside of the end of the other hollow cylinder that joins the end on the - side, a few C from the end, and at the center of the length of the hollow cylinder, is L.
T-split so that the prism is parallel to the axis center of the hollow cylinder,
The removed parts are attached at equal intervals on the inner periphery of the hollow cylinder so that the end face of Ll faces toward the end face of the hollow cylinder, that is, to the outside of the hollow cylinder.
このように接合する一方の中空円筒の端部内側にリング
を、他方の中空円筒の端部内側にＬ型形状角柱を複数個
取付けた構造となる。In this way, a ring is attached to the inner side of the end of one of the hollow cylinders to be joined, and a plurality of L-shaped prisms are attached to the inner side of the end of the other hollow cylinder.
つまり連続して中空円筒を接合する場合は１つの中空円
筒の両端部で一方はリング他方はＬ型形状角柱を取付け
た構造となる。In other words, when hollow cylinders are joined in succession, the structure is such that a ring is attached to one end of the hollow cylinder, and an L-shaped prism is attached to the other end of the hollow cylinder.
第３図は２つの中空円筒１，２の接合状態を示してｂる
。FIG. 3 shows the joined state of two hollow cylinders 1 and 2.
第６図は本発明の別の実施例である。図は２つの中空円
筒９．ｌＯの接合状態を示している。FIG. 6 shows another embodiment of the invention. The figure shows two hollow cylinders9. The junction state of lO is shown.
接合する２つの中空円筒の一方の中′空内部の端部を二
重管構造とし、外側の中空円筒の端面に開先をとり、内
側の中空円筒の端面を円筒長さ方向中心からみて広がる
テーパー状としだもの９゜贅だ他方の中空円筒の端部を
二重管構造とし、外側の中空円筒の端面に開先をとり、
内側の中空円筒の端面を円筒長さ方向中心からみてせ捷
くなるテーパー状としたもの１０で、傾斜角は４５°と
じ両テーパー面はぴったり合うものとする。The end of the hollow interior of one of the two hollow cylinders to be joined has a double pipe structure, the end face of the outer hollow cylinder is beveled, and the end face of the inner hollow cylinder is widened when viewed from the center in the length direction of the cylinder. The end of the other hollow cylinder, which has a tapered shape and a 9° diameter, has a double pipe structure, and the end face of the outer hollow cylinder is beveled.
The end face of the inner hollow cylinder is tapered to become narrower when viewed from the center in the longitudinal direction of the cylinder 10, and the inclination angle is 45°, and both tapered faces are made to fit perfectly.
つ捷り前述の内側にテーパーをもつリンブト中空円筒が
Ｌ型形状角柱が中空円筒と一体構造になったものである
。The above-mentioned hollow cylinder having a taper on the inside is an L-shaped prism that is integrated with the hollow cylinder.
つ捷り連続して中空円筒を接合する場合は、１つの中空
円筒の両端部が二重管構造となる。When joining hollow cylinders in a continuous manner by twisting, both ends of one hollow cylinder have a double pipe structure.
また第６図と同様な構造であるが、中空円筒接合部内側
の流れ抵抗を減少させる構造として第７図に示す。特徴
および効果は同じである。Further, although the structure is similar to that shown in FIG. 6, it is shown in FIG. 7 as a structure that reduces the flow resistance inside the hollow cylinder joint. The features and effects are the same.
本実施例の特有効果としては、中空円筒の両端を二重管
構造とすることで、前述のような、テーパー面をもつリ
ングやＬ型形状角柱を使用するよりも中空円筒内を流体
が流れる場合抵抗が減少するという効果がある。A unique effect of this embodiment is that by forming both ends of the hollow cylinder into a double pipe structure, fluid can flow inside the hollow cylinder more easily than when using a ring with a tapered surface or an L-shaped prism as described above. This has the effect of reducing resistance.
本発明によれば、テーパー面をもつリングとＬ型形状角
柱およびテーパー面をもつ二重管構造等のテーパー面を
持つ補助材を使用することにより、２つの中空円筒の芯
出し、ルート間隔の設定等が容易に出来る。また、ジヨ
イントピースを使用しないことによりジヨイントピース
の仮付け、撤去、中空円筒外周の仕上げ等の諸作業が不
要になり、外周に妨げるものがなくなるため自動溶接機
等の導入が可能である。According to the present invention, by using an auxiliary material with a tapered surface such as a ring with a tapered surface, an L-shaped prism, and a double pipe structure with a tapered surface, centering of two hollow cylinders and adjustment of root spacing can be achieved. Settings etc. can be done easily. In addition, by not using a joint piece, there is no need for various operations such as temporarily attaching and removing the joint piece, and finishing the outer periphery of the hollow cylinder, and since there is no obstruction to the outer periphery, it is possible to introduce automatic welding machines, etc. .
これらのことより、中空円筒溶接作業の工数の減少とい
う効果がある。These results have the effect of reducing the number of man-hours for hollow cylinder welding work.
寸だ中空円筒突合わせ溶接時の熱応力による縮みをこれ
らの補助材が支え、防ぐことができるという効果もある
。These auxiliary materials also have the effect of supporting and preventing shrinkage due to thermal stress during butt welding of large hollow cylinders.
第１図は従来の中空円筒の接合部外形図、第２１！。
図は抗接合部断面図、第３図は本発明の一実施例のリン
グ及びＬ型形状角柱４つ使用した中空円筒の接合断面図
、第４図はリングの正面図および上面図、第５図はＬ型
形状角柱外形図、第６、第７図は二重管構造中空円筒接
合断面図である。
１．２・・・中空円筒、３・・・ジヨイントピース、４
・・・プレート、５・・・ストッパー、６・・・リング
、８・・・Ｌ型形状角柱。
代理人 弁理士 高橋明夫
廖 １ ｌ
妙 Ｚ 圀
第３０
１０ 第５１
第す口
療’Ｔ［Ｚ］
Ａ＾＾Figure 1 is an external view of the joint of a conventional hollow cylinder, and Figure 21! . The figure is a cross-sectional view of the anti-joint part, FIG. 3 is a cross-sectional view of a ring according to an embodiment of the present invention and a hollow cylinder using four L-shaped prisms, FIG. 4 is a front view and top view of the ring, and FIG. The figure is an L-shaped prismatic external view, and FIGS. 6 and 7 are sectional views of a double-tube structure hollow cylinder joint. 1.2...Hollow cylinder, 3...Joint piece, 4
... Plate, 5... Stopper, 6... Ring, 8... L-shaped prism. Agent Patent Attorney Akio Takahashi 1 l Tae Z Kunidai 30th 10th 51st Oral Therapy 'T[Z] A^^
Claims (1)
で、他方の脚が傾斜しているリングを接合する一方の中
空円筒の接合する側の端部の内側に台形断面の上底が中
空円筒の端部方向つまり中空円筒の外側に向くように取
付ける。捷たＬ型形状材（角柱、円柱など）の一方の端
部が傾斜をもち、その傾斜面が前述したリングの面と合
う曲率をもったものの他方の端面を接合する他方の中空
円筒の接合する側の端部内側に傾斜面が中空円筒の端部
方向に向くように、またＬ型材の傾斜面をもつ方の材の
中心が中空円筒の軸と平行になるようにして、数個取付
けたことを特徴とする中空円筒を用いて、リング側中空
円筒とＬ型材側中空円筒と合せることによって行なうこ
とを特徴とする溶接開先合わせ方法。1. Inside the end of the joining side of one hollow cylinder that joins a ring whose cross section is trapezoidal, one leg is perpendicular to the upper and lower bases, and the other leg is inclined, there is a trapezoidal cross section. Install it so that the bottom faces toward the end of the hollow cylinder, that is, toward the outside of the hollow cylinder. One end of the bent L-shaped material (prismatic, cylinder, etc.) has a slope, and the slope has a curvature that matches the surface of the ring mentioned above, but the other end surface is joined to the other hollow cylinder. Attach several L-shaped members so that the inclined surface faces toward the end of the hollow cylinder, and the center of the L-shaped member with the inclined surface is parallel to the axis of the hollow cylinder. A method for aligning welding grooves, which is carried out by using a hollow cylinder characterized by the above-mentioned features, and aligning the hollow cylinder on the ring side and the hollow cylinder on the L-shaped member side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11298984A JPS60257972A (en) | 1984-06-04 | 1984-06-04 | Weld groove mating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11298984A JPS60257972A (en) | 1984-06-04 | 1984-06-04 | Weld groove mating method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60257972A true JPS60257972A (en) | 1985-12-19 |
Family
ID=14600628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11298984A Pending JPS60257972A (en) | 1984-06-04 | 1984-06-04 | Weld groove mating method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60257972A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103506799A (en) * | 2012-06-21 | 2014-01-15 | 五冶集团上海有限公司 | Jack-type large diameter pipe orifice aligning device and using method |
| CN111842537A (en) * | 2020-07-31 | 2020-10-30 | 中国十七冶集团有限公司 | Seam aligning device and method for large and medium-diameter conical pipelines |
-
1984
- 1984-06-04 JP JP11298984A patent/JPS60257972A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103506799A (en) * | 2012-06-21 | 2014-01-15 | 五冶集团上海有限公司 | Jack-type large diameter pipe orifice aligning device and using method |
| CN103506799B (en) * | 2012-06-21 | 2015-11-25 | 五冶集团上海有限公司 | Jack type large diameter pipeline contra-aperture device and using method |
| CN111842537A (en) * | 2020-07-31 | 2020-10-30 | 中国十七冶集团有限公司 | Seam aligning device and method for large and medium-diameter conical pipelines |
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