JPS61289971A - Method for welding in water - Google Patents
Method for welding in waterInfo
- Publication number
- JPS61289971A JPS61289971A JP13124485A JP13124485A JPS61289971A JP S61289971 A JPS61289971 A JP S61289971A JP 13124485 A JP13124485 A JP 13124485A JP 13124485 A JP13124485 A JP 13124485A JP S61289971 A JPS61289971 A JP S61289971A
- Authority
- JP
- Japan
- Prior art keywords
- welding
- gas
- arc
- torch
- water
- 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
Landscapes
- Arc Welding In General (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は主として水中でのアーク熱による溶接方法に関
するものである。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention mainly relates to a welding method using arc heat in water.
（従来の技術）
従来に於いては、被覆アーク溶接棒にテーピング等の防
水処理を施してウーットで行う方法で手溶接であり、簡
便で複雑な構造物に対応出来るという利点がある反面、
作業者の技量に左右されるという欠点があり、又ウェッ
トであるので溶接部への信頼性が薄いという欠点かった
。(Prior art) Conventionally, welding is done by hand by applying waterproofing treatment such as taping to a covered arc welding rod and then welding by woot, which has the advantage of being simple and applicable to complex structures.
It has the disadvantage that it depends on the skill of the worker, and because it is wet, the reliability of the welded part is low.
一方、半自動溶接方式として半自動溶接トーチの外筒を
二重とし、その先端にラッパ状のノズルを設け、該ノズ
ルを通して高速の噴流水又はガスを適宜の角度で噴出せ
しめ、トーチ直下に気体空洞を形成させてその中でミグ
溶接（金属線を電極として行う溶接）又はＣＯ□アーク
溶接を行うものであるが、トーチ先端が大きく広くなる
ので複雑な構造物に対応出来ない欠点がある。On the other hand, as a semi-automatic welding method, the outer cylinder of the semi-automatic welding torch is made double, and a trumpet-shaped nozzle is installed at the tip of the torch, through which a high-speed jet of water or gas is ejected at an appropriate angle, creating a gas cavity directly below the torch. After forming a torch, MIG welding (welding performed using a metal wire as an electrode) or CO□ arc welding is performed inside the torch, but the disadvantage is that the torch tip becomes large and wide, making it inapplicable to complex structures.
又、溶接部をラッパ状のノズルやワイヤーブラシ等で覆
うので目視が出来ずダーバーによる溶接は困難であった
。Furthermore, since the welded area is covered with a trumpet-shaped nozzle, wire brush, etc., visual inspection is not possible, making it difficult to weld with a durbar.
更にトーチ先端にスパッタの付着が多く、そのメンテナ
ンス性が悪いなどの欠点があった。Furthermore, there were other drawbacks such as a lot of spatter adhering to the tip of the torch and poor maintainability.
（技術的課題）
而して、本発明は従来技術の欠点に鑑みなされたもので
、水中でのダイパーによる手溶接も出来るし又、複雑な
構造物にも対応出来ると共に自動機に取付けて全自動溶
接をも可能とし、手溶接の簡便性、自動溶接の高能率性
を合せ持ち、且つ溶接の信頼性を向上せしめ、更に従来
より陸上で使用している自動溶接装置を、そのトーチの
一部の改良で使用でき、新たな付帯設備を必要とせず経
済的であることを技術的課題とするものである。(Technical Issues) The present invention was developed in view of the shortcomings of the prior art, and it is possible to perform manual welding using a dieper underwater, and it can also be applied to complex structures, as well as being able to be installed on an automatic machine to completely weld. It also enables automatic welding, combines the simplicity of manual welding with the high efficiency of automatic welding, and improves the reliability of welding. The technical problem is that it can be used by improving the parts and is economical without requiring new incidental equipment.
（技術的課題）
本発明では上記の技術的課題を解決するために、トーチ
のチップ近傍に泡発生装置を配設し、シールドガスを送
り込んでアーク溶接時、１τ母材と溶接部又は溶融金属
部の周辺とに気体の空洞をつくりあげるようにしである
。(Technical Problem) In order to solve the above-mentioned technical problem, in the present invention, a bubble generator is disposed near the tip of the torch, and a shielding gas is sent to generate a 1τ base metal and a welded part or molten metal during arc welding. This is to create a gas cavity around the area.
具体的には図示の実施例に示す如く下記の構成となる。Specifically, as shown in the illustrated embodiment, the configuration is as follows.
第一の実施例（第１図乃至第２図）について。Regarding the first embodiment (FIGS. 1 and 2).
ｌはトーチのチップでその周囲に環状の泡発生装置２を
配設しである。 該泡発生装置２は金属製又はプラスチ
ック製の筺体３を構成し、シールドガスを供給するため
の供給管４を取付けである。1 is the tip of a torch, around which an annular bubble generator 2 is arranged. The bubble generator 2 comprises a metal or plastic housing 3, and is equipped with a supply pipe 4 for supplying shielding gas.
５は筺体３の下盤６に複数個穿った貫通小孔で、事実上
、泡をつくる機能を有している。Reference numeral 5 denotes a plurality of small through holes bored in the lower plate 6 of the housing 3, which actually have the function of creating bubbles.
即ち、供給管４より送られて来るシールドガスＧ例へば
炭酸ガス、アルゴンガス等の不活性ガスは貫通小孔５よ
り噴出し水中で液体と混合され細かい独立した気泡Ｐと
なってアーク溶融部Ａを無数に包むように吹き付けられ
る。That is, inert gas such as carbon dioxide gas or argon gas, for example, which is sent from the supply pipe 4, is ejected from the small through hole 5, mixed with the liquid in the water, becomes fine independent bubbles P, and is transferred to the arc melting part A. It is sprayed in a countless number of ways.
７は母材、８はワイヤー供給ローラー９によって矢標Ｆ
方向に供給されるワイヤー（金属電極）、ｌＯはアーク
溶接時に生ずるアーク溶融部Ａ近傍の空洞で本発明の重
要な点である。7 is the base material, 8 is the arrow F by the wire supply roller 9
The wire (metal electrode) IO supplied in the direction is an important point of the present invention in the cavity near the arc melting part A that occurs during arc welding.
即ち、シールドガスＧが泡発生装置２の貫通小孔５より
噴出し水中で液体と混合され細かい独立した気泡Ｐとな
って、アーク溶融部Ａを無数に包むように吹き付けられ
ることによりアーク熱溶融金属の発生するガス等により
前記空洞ｌＯが形成されるもの〒ある。That is, the shielding gas G is ejected from the small through hole 5 of the bubble generating device 2, mixed with the liquid in the water, and becomes fine independent bubbles P, which are sprayed so as to envelop the arc melting part A, thereby causing arc-heated molten metal. In some cases, the cavity 1O is formed by gas generated by.
従って、溶接が水中で良好に行なわれる。Therefore, welding can be carried out well under water.
（作 用）
アーク溶接時に於いて、供給管４より供給されたシール
ドガスＧは、筺体３の下盤６に穿った貫通小孔５より水
中へ噴出せしめられ液体と混合されて細かい気泡Ｐ（比
重が軽くなる）となってアーク溶接部Ａを包むように吹
き付けられると共にアーク熱溶融金属の発生するガス等
により空洞ｌＯが形成され溶接が行われる。(Function) During arc welding, the shielding gas G supplied from the supply pipe 4 is ejected into the water from the small through hole 5 drilled in the lower plate 6 of the housing 3, mixed with the liquid, and fine bubbles P ( The specific gravity becomes lighter) and is blown to surround the arc welding area A, and a cavity 1O is formed by the gas generated by the arc-heated molten metal, and welding is performed.
第二の実施例（第３図乃至第４図）について。Regarding the second embodiment (FIGS. 3 and 4).
本実施例に於いて第一の実施例と同じ部分には同じ番号
を附しである。In this embodiment, the same parts as in the first embodiment are given the same numbers.
本実施例の特徴は泡発生装置２として焼結金属、焼結石
等の焼結体ｌｌを採用しかつチップ１の斜め下側方に向
けて配置した点にある。The feature of this embodiment is that a sintered body 11 of sintered metal, sintered stone, or the like is used as the bubble generating device 2, and it is arranged diagonally downward to the side of the chip 1.
而して、シールドガスＧは焼結体ｌｌの微細孔１２より
水中に噴出せしめられ無数の細かい気泡Ｐを作り、溶接
を良好に行う。Thus, the shielding gas G is ejected into the water from the micropores 12 of the sintered body 11, creating countless fine bubbles P, thereby achieving good welding.
その作用、効果は第一の実施例と略同じである。Its action and effect are substantially the same as in the first embodiment.
第三の実施例（第５図乃至第６図）について。Regarding the third embodiment (FIGS. 5 and 6).
本実施例に於いて、第一、第二の実施例と同じ部分には
同じ番号を附しである。In this embodiment, the same parts as in the first and second embodiments are given the same numbers.
１３はトーチである。 本実施例の特徴は泡発生装置２
として金属製網板１４、微小貫通孔板１５等を重ね合わ
せて網体を採用した点にある。13 is a torch. The feature of this embodiment is that the foam generator 2
The main feature is that a mesh body is adopted by overlapping a metal mesh plate 14, a minute through-hole plate 15, etc.
（効 果）
而して、本発明は第一乃至第三の実施例で示す如き構成
及び作用を有するので下記の如き特有の効果がある。(Effects) Since the present invention has the configuration and operation as shown in the first to third embodiments, it has the following unique effects.
水中でのダイパーによる手溶接あるいは全自動溶接が可
能となると共に複雑な構造物に対しても対応でき、手溶
接の簡便性、自動溶接の高能率性を合せ持ちかつ溶接の
信頼性を向上せしめることが出来る。It enables manual welding with a dipper underwater or fully automatic welding, and can also be applied to complex structures.It combines the simplicity of manual welding with the high efficiency of automatic welding, and improves the reliability of welding. I can do it.
第１図乃至第２図は本発明の第一の実施例を示し、第１
図はその概略説明図、第２図は泡発生装置の拡大断面図
である。
第３図乃至第４図は第二の実施例を示し、第３図はその
概略図、第４図は泡発生装置の拡大断面図である。
第５図乃至第６図は第三の実施例を示し、第５図はその
概略説明図、第６図は泡発生装置の分解斜視図である。
１１１・拳チップ ２・・争泡発生装置８・・Φワイ
ヤー ｌＯ・・・空洞
第 ４ 図
第 ３＠１
２Ｃ−
１／ ″
／パ９．。
／。
σ Ｐ２
第 ６１
第 ５１ ・。・・ ５
ｙ、３１４
１１開’１ｊ６１−Ｚ６ａａ／１（５Ｊぬ
」シ１ｏ ツシ
１：チップ ２す個発生装置
８：ワイヤー １０＝空番同1 and 2 show a first embodiment of the present invention.
The figure is a schematic explanatory diagram thereof, and FIG. 2 is an enlarged sectional view of the bubble generator. 3 and 4 show a second embodiment, of which FIG. 3 is a schematic diagram and FIG. 4 is an enlarged sectional view of the foam generator. 5 and 6 show a third embodiment, FIG. 5 is a schematic explanatory view thereof, and FIG. 6 is an exploded perspective view of the foam generating device. 111・Fist tip 2・・War bubble generator 8・・φ wire lO・Cavity No. 4 Fig. 3 @ 1 2C- 1/″ /Pa 9. /. σ P2 61st 51st ・・・5 y, 314 11 open'1j61-Z6aa/1 (5Jnu'shi 1o Tsushi 1: Chip 2 pieces Generator 8: Wire 10 = Same empty number
Claims (1)
スを該泡発生装置より水中に噴出せしめて気泡Ｐを発生
せしめ、該気泡Ｐでアーク溶融部Ａ付近を包むようにす
る一方、アーク熱溶融金属の発生するガス等によりアー
ク溶融部Ａ近傍に空洞を形成せしめた水中に於ける溶接
方法A bubble generator is disposed near the chip, and a shielding gas is ejected into the water from the bubble generator to generate bubbles P, so that the bubbles P surround the vicinity of the arc-melted part A, and the arc-heated molten metal is Welding method in water where a cavity is formed near the arc melting part A due to gas generated by
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13124485A JPS61289971A (en) | 1985-06-17 | 1985-06-17 | Method for welding in water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13124485A JPS61289971A (en) | 1985-06-17 | 1985-06-17 | Method for welding in water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61289971A true JPS61289971A (en) | 1986-12-19 |
Family
ID=15053371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13124485A Pending JPS61289971A (en) | 1985-06-17 | 1985-06-17 | Method for welding in water |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61289971A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5388753A (en) * | 1994-03-21 | 1995-02-14 | Martin Marietta Corporation | Inert gas welding shield for the backside of welds |
| FR2970888A1 (en) * | 2011-01-31 | 2012-08-03 | Aircelle Sa | GAS PROTECTION DEVICE FOR CONTROLLED ATMOSPHERE WELDING |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50146550A (en) * | 1974-05-16 | 1975-11-25 |
-
1985
- 1985-06-17 JP JP13124485A patent/JPS61289971A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50146550A (en) * | 1974-05-16 | 1975-11-25 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5388753A (en) * | 1994-03-21 | 1995-02-14 | Martin Marietta Corporation | Inert gas welding shield for the backside of welds |
| FR2970888A1 (en) * | 2011-01-31 | 2012-08-03 | Aircelle Sa | GAS PROTECTION DEVICE FOR CONTROLLED ATMOSPHERE WELDING |
| WO2012104532A1 (en) * | 2011-01-31 | 2012-08-09 | Aircelle | Gas shielding device |
| CN103338895A (en) * | 2011-01-31 | 2013-10-02 | 埃尔塞乐公司 | Gas shielding device |
| US9145832B2 (en) | 2011-01-31 | 2015-09-29 | Aircelle | Gas shielding device |
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