JPH09314384A - Automatic welding equipment for inner clad steel pipe - Google Patents
Automatic welding equipment for inner clad steel pipeInfo
- Publication number
- JPH09314384A JPH09314384A JP15045696A JP15045696A JPH09314384A JP H09314384 A JPH09314384 A JP H09314384A JP 15045696 A JP15045696 A JP 15045696A JP 15045696 A JP15045696 A JP 15045696A JP H09314384 A JPH09314384 A JP H09314384A
- Authority
- JP
- Japan
- Prior art keywords
- welding
- steel pipe
- wire
- rotating shaft
- clad steel
- 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
- 238000003466 welding Methods 0.000 title claims abstract description 134
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 33
- 239000010959 steel Substances 0.000 title claims abstract description 33
- 239000000463 material Substances 0.000 claims abstract description 73
- 230000013011 mating Effects 0.000 claims description 3
- 239000010953 base metal Substances 0.000 claims description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 16
- 239000010962 carbon steel Substances 0.000 description 16
- 239000002648 laminated material Substances 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 238000003825 pressing Methods 0.000 description 3
- 229910000881 Cu alloy Inorganic materials 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Landscapes
- Butt Welding And Welding Of Specific Article (AREA)
- Arc Welding In General (AREA)
Abstract
(57)【要約】
【課題】 内面クラッド鋼管の突合わせ溶接を、母材用
溶接材料と合わせ材用溶接材料を選択しながら内面から
溶接できるようにする。
【解決手段】 内面クラッド鋼管１内を移動できる台車
７に円筒状のケーシング８を固定する。ケーシング８内
に回転軸１４を回転自在に支持させる。回転軸１４は台
車７上のモータ２０により回転させられる。ケーシング
８上には、クランプ機構１０を備えたフレーム９があ
る。ヘッド回転軸２３上に、溶接機２４、２つのワイヤ
リール２７，２８、２つのワイヤ送給装置３１，３２が
搭載された溶接ヘッド部２２を、上記回転軸１４に取り
付ける。ワイヤリール２７，２８に２種類のワイヤ３
３，３４を巻き、溶接ヘッド部２２の回転方向を変えて
選択する。
(57) 【Abstract】 PROBLEM TO BE SOLVED: To enable butt welding of an inner surface clad steel pipe to be welded from the inner surface while selecting a welding material for a base material and a welding material for a bonding material. SOLUTION: A cylindrical casing 8 is fixed to a carriage 7 that can move inside an inner clad steel pipe 1. The rotating shaft 14 is rotatably supported in the casing 8. The rotating shaft 14 is rotated by a motor 20 on the carriage 7. On the casing 8 is a frame 9 with a clamping mechanism 10. The welding head 22 having the welding machine 24, the two wire reels 27 and 28, and the two wire feeding devices 31 and 32 mounted on the head rotating shaft 23 is attached to the rotating shaft 14. Two types of wire 3 on the wire reels 27 and 28
3, 34 are wound and the direction of rotation of the welding head portion 22 is changed to be selected.
Description
【０００１】[0001]
【発明の属する技術分野】本発明は内面にクラッドされ
たクラッド鋼管の突合わせ溶接継手の自動溶接装置に関
するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic welding apparatus for butt-welded joints of clad steel pipe clad on the inner surface.
【０００２】[0002]
【従来の技術】一般に鋼管の突合わせ溶接を現地施工す
る場合、鋼管の全周に沿い行う全姿勢溶接となるため、
ＴＩＧ溶接、被覆アーク溶接が採用されている。2. Description of the Related Art Generally, when performing butt welding of steel pipes on-site, all positions are welded along the entire circumference of the steel pipe.
TIG welding and covered arc welding are used.
【０００３】鋼管には、図３に示す如く、たとえば、炭
素鋼からなる鋼管２の内面に、合わせ材３としてステン
レス鋼や銅合金等の如き異なった材質の薄板をはり合わ
せて、それぞれの材質の特徴を兼ね備えるようにした内
面クラッド鋼管１がある。As shown in FIG. 3, for the steel pipe, for example, a thin plate made of a different material such as stainless steel or a copper alloy is laminated as a laminating material 3 on the inner surface of the steel pipe 2 made of carbon steel, and the respective materials are used. There is an inner surface clad steel pipe 1 having the features of 1.
【０００４】鋼管の突合わせ溶接を行う場合において、
内面にクラッドされていない一般の鋼管であれば、管の
外側から全周溶接する方法が採られるが、上記の如き内
面クラッド鋼管を同様に外側から溶接する場合に、鋼管
２が炭素鋼からなる場合には、内面の合わせ材３の上に
は炭素鋼の溶接ができないので、すべて合わせ材３と同
材質の溶接材料を使用することになる。When performing butt welding of steel pipes,
In the case of a general steel pipe that is not clad on the inner surface, the method of welding the entire circumference from the outside of the pipe is adopted, but when the above-described inner surface clad steel pipe is similarly welded from the outside, the steel pipe 2 is made of carbon steel. In this case, since the carbon steel cannot be welded on the inner facing material 3, the welding material of the same material as the whole material 3 is used.
【０００５】しかし、かかる場合、合わせ材３がステン
レス鋼や銅合金の場合に、これと同材質の溶接材料を使
用したのでは強度が不足する問題がある。However, in such a case, when the joining material 3 is stainless steel or a copper alloy, if the welding material of the same material is used, the strength is insufficient.
【０００６】そのため、従来では、内面クラッド鋼管１
の突合わせ溶接を行う場合は、内面から先ず炭素鋼鋼管
２の開先４を炭素鋼用溶接材料で溶接を行い、次いで、
その上に合わせ材用溶接材料で合わせ材の溶接を行うよ
うにすることが提案されている。Therefore, conventionally, the inner surface clad steel pipe 1 has been used.
When the butt welding is performed, the groove 4 of the carbon steel pipe 2 is first welded from the inner surface with the welding material for carbon steel, and then,
Further, it has been proposed to weld the joining material with the welding material for the joining material.
【０００７】[0007]
【発明が解決しようとする課題】ところが、内面溶接と
なるため、溶接工は管の内面に入って溶接する必要があ
るが、小口径の内面クラッド鋼管の場合には、狭隘部で
の全姿勢溶接となり、作業性が悪く、又、管の内面に入
れない場合には溶接できない、という問題があり、又、
自由溶接をしようとする場合は、炭素鋼用溶接材料から
合わせ材用溶接材料に途中で変えなければならず、溶接
材料を切り替えるために管内部から溶接装置を引き出す
必要があり、作業性が悪くなる、という問題がある。However, since the inner surface is welded, it is necessary for the welder to enter the inner surface of the pipe for welding. However, in the case of a small-diameter inner surface clad steel pipe, all positions in the narrow space are required. There is a problem that it becomes welding, workability is poor, and welding cannot be done unless it is put on the inner surface of the pipe.
When trying to perform free welding, it is necessary to change from the welding material for carbon steel to the welding material for composite materials on the way, and it is necessary to pull out the welding device from the inside of the pipe in order to switch the welding material. There is a problem that
【０００８】そこで、本発明は、内面クラッド鋼管の突
合わせ溶接を管内部から装置を引き出すことなく母材用
と合わせ材用の溶接材料を自由に選択して溶接できる自
動溶接装置を提供しようとするものである。Therefore, the present invention intends to provide an automatic welding apparatus capable of performing butt welding of an inner clad steel pipe by freely selecting a welding material for a base material and a welding material without pulling out the apparatus from the inside of the pipe. To do.
【０００９】[0009]
【課題を解決するための手段】本発明は、上記課題を解
決するために、内面クラッド鋼管の内面に沿い走行でき
る台車上に、回転軸支持用のケーシングを固定し、該ケ
ーシング内に水平方向に配した回転軸を回転自在に支持
させて、モータにより正転、逆転駆動できるようにする
と共に、該ケーシング上に、台車を管内に保持させるた
めのクランプ機構を備え、且つヘッド回転軸上に、溶接
機と、該溶接機の溶接トーチを溶接方向から挟むように
ワイヤを送給する２つのワイヤ送給装置と、２つのワイ
ヤリールを搭載してなる溶接ヘッド部を、上記台車上の
回転軸に取り付け、該台車上の回転軸とともに溶接ヘッ
ド部の回転方向をワイヤの使用に合わせて変えて溶接す
るようにした構成とする。SUMMARY OF THE INVENTION In order to solve the above problems, the present invention fixes a casing for supporting a rotating shaft on a carriage that can run along the inner surface of an inner clad steel pipe, and horizontally holds the casing in the casing. The rotating shaft arranged in the above is rotatably supported so that it can be driven to rotate in the forward and reverse directions by a motor, and the casing is provided with a clamp mechanism for holding the carriage in the pipe. , A welding machine, two wire feeding devices for feeding the wire so as to sandwich the welding torch of the welding machine from the welding direction, and a welding head part having two wire reels mounted thereon, It is attached to a shaft, and the structure is such that the rotating direction of the welding head portion along with the rotating shaft on the carriage is changed according to the use of the wire and welding is performed.
【００１０】台車上の回転軸をモータで回転させると、
溶接ヘッド部が回転できるので、２本のワイヤの一方を
使用するときにそのワイヤが溶接方向の上流側になるよ
うに溶接ヘッド部を回転させることにより全周にわたり
自動的に溶接することができる。２本のワイヤとして母
材用溶接材料と合わせ材用溶接材料を用いることによ
り、母材を溶接するときは、母材用溶接材料を送給しな
がら溶接ヘッドを一方向に回転させる。次に、合わせ材
を溶接するときは、合わせ材用溶接材料を送給しながら
溶接ヘッドを反対方向に回転させることによって管内か
ら溶接装置を引き出すことなく自動溶接できる。When the rotating shaft on the carriage is rotated by a motor,
Since the welding head can rotate, when one of the two wires is used, the welding head can be automatically welded over the entire circumference by rotating the welding head so that the wire is on the upstream side in the welding direction. . By using the base material welding material and the composite material welding material as the two wires, when welding the base material, the welding head is rotated in one direction while feeding the base material welding material. Next, when welding the joining material, the welding head is rotated in the opposite direction while feeding the welding material for the joining material, whereby automatic welding can be performed without pulling out the welding device from the inside of the pipe.
【００１１】[0011]
【発明の実施の形態】以下、本発明の実施の形態を図面
を参照して説明する。Embodiments of the present invention will be described below with reference to the drawings.
【００１２】図１（イ）（ロ）及び図２は本発明の内面
クラッド鋼管の自動溶接装置の実施の形態を示すもの
で、管内面を走行できるように正面から見てハの字状に
傾斜させて配した左右の前輪５と、同様に配した左右の
後輪６を有する手押し式台車７上に、円筒状のケーシン
グ８を水平状態に配して固定支持し、該ケーシング８上
には所要高さのフレーム９を円周方向の３個所に等間隔
に設置して、該各フレーム９内に、クランプ用シリンダ
１１と該クランプ用シリンダ１１の伸縮動作により回動
するアーム１２と該アーム１２の先端に取り付けた押付
け用パッド１３とからなるクランプ機構１０をそれぞれ
装備し、内面クラッド鋼管１の内部に挿入した台車７
を、クランプ機構１０で管内に固定したときに、上記ケ
ーシング８の軸心が内面クラッド鋼管１の軸心と一致す
るようにする。1 (a), (b) and FIG. 2 show an embodiment of an automatic welding apparatus for an inner surface clad steel pipe of the present invention, which is formed in a V shape when viewed from the front so that the inner surface of the pipe can be traveled. A cylindrical casing 8 is horizontally arranged and fixedly supported on a hand-pushed carriage 7 having left and right front wheels 5 that are inclined and left and right rear wheels 6 that are similarly arranged. Install frames 9 of a required height at three positions in the circumferential direction at equal intervals, and in each of the frames 9, a clamping cylinder 11 and an arm 12 which is rotated by the expansion and contraction operation of the clamping cylinder 11 and the A dolly 7 equipped with a clamp mechanism 10 including a pressing pad 13 attached to the tip of an arm 12 and inserted into the inner clad steel pipe 1.
Is fixed in the pipe by the clamp mechanism 10 so that the axial center of the casing 8 coincides with the axial center of the inner clad steel pipe 1.
【００１３】上記台車７上の円筒状ケーシング８内に
は、回転軸１４を挿入して、前後両端の軸受１５にて回
転自在に支持させる。該回転軸１４の前端にはフランジ
１６を設けて、該フランジ１６に、リングギヤ取付用リ
ング１７をビス１８にて固定し、該リングギヤ取付用リ
ング１７の外周側後面に外周にねじを刻設したリングギ
ヤ１９を固定し、台車７に取り付けたモータ２０の出力
軸上のギヤ２１を、上記リングギヤ１９に噛合させ、モ
ータ２０の駆動によりギヤ２１、リングギヤ１９を介し
て回転軸１４が正転、逆転できるようにする。A rotary shaft 14 is inserted into the cylindrical casing 8 on the carriage 7 and rotatably supported by bearings 15 at the front and rear ends. A flange 16 is provided at the front end of the rotary shaft 14, a ring gear mounting ring 17 is fixed to the flange 16 with a screw 18, and a screw is formed on the outer periphery of the ring gear mounting ring 17 on the outer peripheral side rear surface. The ring gear 19 is fixed, the gear 21 on the output shaft of the motor 20 attached to the carriage 7 is meshed with the ring gear 19, and the rotation of the rotary shaft 14 in the forward and reverse directions via the gear 21 and the ring gear 19 by driving the motor 20. It can be so.
【００１４】上記回転軸１４の前端側には、溶接ヘッド
部２２を取り付ける。溶接ヘッド部２２は、ヘッド回転
軸２３上に、溶接トーチ２５の先端が内面クラッド鋼管
１の突合わせ溶接継手部２６に向くようにＴＩＧ溶接機
２４を設置すると共に、２つのワイヤリール２７と２８
を左右対称的に取付フレーム２９と３０を介して取り付
け、且つ、上記各取付フレーム２９と３０に、各々ワイ
ヤ送給装置３１と３２を左右対称的に取付け支持させ、
２つのワイヤリール２７と２８には、母材としての炭素
鋼鋼管２の溶接部の溶加材となる炭素鋼用溶接材料とし
てのワイヤ３３と、合わせ材３としてステンレス鋼等の
溶接の溶加材となる合わせ材用の溶接材料としてのワイ
ヤ３４の２種類のワイヤを巻き取らせ、ワイヤ送給装置
３１にてワイヤ３３を巻き解しながら送給させて溶接継
手部２６へ先端を位置させるようにし、又、ワイヤ送給
装置３２にてワイヤ３３を巻き解しながら送給させて溶
接継手部２６へ上記ワイヤ３３とは反対の方向より先端
を位置させるようにする。A welding head portion 22 is attached to the front end side of the rotary shaft 14. The welding head portion 22 has the TIG welding machine 24 installed on the head rotating shaft 23 such that the tip of the welding torch 25 faces the butt welding joint portion 26 of the inner surface clad steel pipe 1, and the two wire reels 27 and 28.
Are symmetrically mounted via the mounting frames 29 and 30, and the wire feeding devices 31 and 32 are symmetrically mounted and supported on the mounting frames 29 and 30, respectively.
The two wire reels 27 and 28 include a wire 33 as a welding material for carbon steel which serves as a filler material for the welded portion of the carbon steel pipe 2 serving as a base material, and a welding filler for welding stainless steel or the like as a joining material 3. Two kinds of wires, ie, the wire 34 as the welding material for the mating material to be used as the welding material, are wound and fed while the wire feeding device 31 unwinds the wire 33 to position the tip to the welding joint portion 26. In addition, the wire feeding device 32 feeds the wire 33 while unwinding it so that the tip of the wire 33 is positioned in the welding joint portion 26 in the direction opposite to the wire 33.
【００１５】上記構成とした溶接ヘッド部２２のヘッド
回転軸２３を、台車７上の回転軸１４の前端側にフラン
ジ３５を介して同心状に一体的に固定し、台車７上の回
転軸１４を回転させることにより溶接トーチ２５、ワイ
ヤリール２７，２８、ワイヤ送給装置３１，３２が一緒
にヘッド回転軸２３の軸心を中心に回転できるようにす
る。The head rotating shaft 23 of the welding head portion 22 having the above structure is integrally fixed concentrically to the front end side of the rotating shaft 14 on the carriage 7 via the flange 35, and the rotating shaft 14 on the carriage 7 is fixed. Is rotated so that the welding torch 25, the wire reels 27 and 28, and the wire feeding devices 31 and 32 can rotate together around the shaft center of the head rotation shaft 23.
【００１６】３６は溶接状況を監視するＣＣＤカメラ、
３７は照明、３８は溶接機２４をオシレートさせるため
のスライド軸、３９は端子箱である。36 is a CCD camera for monitoring the welding condition,
37 is an illumination, 38 is a slide shaft for oscillating the welding machine 24, and 39 is a terminal box.
【００１７】図２に示す如く母材としての炭素鋼鋼管２
の内面にステンレス鋼等の合わせ材３をはり合わせてな
る内面クラッド鋼管１の突合わせ溶接を行う場合には、
先端側に溶接ヘッド部２２を備えた台車７を内面クラッ
ド鋼管１の内部に入れて溶接トーチ２５が突合わせ溶接
継手部２６に位置するところまで台車７を移動させる。
所定位置まで来ると、台車７を停止した後、クランプ機
構１０のクランプ用シリンダ１１を操作して押付け用パ
ッド１３を管内面に押し当てることにより台車７を管内
面にクランプする。As shown in FIG. 2, a carbon steel pipe 2 as a base material
When the butt welding of the inner clad steel pipe 1 made by laminating the laminated material 3 such as stainless steel on the inner surface of the
The dolly 7 having the welding head portion 22 on the tip side is inserted into the inner clad steel pipe 1, and the dolly 7 is moved to a position where the welding torch 25 is located at the butt welding joint portion 26.
When the vehicle reaches a predetermined position, the carriage 7 is stopped, and then the clamp cylinder 11 of the clamp mechanism 10 is operated to press the pressing pad 13 against the pipe inner surface to clamp the carriage 7 on the pipe inner surface.
【００１８】次に、溶接継手部２６の母材としての炭素
鋼鋼管２の溶接を行うために、ワイヤ送給装置３１を作
動させてワイヤリール２７に巻かれた炭素鋼用溶接材料
であるワイヤ３３を送給しながらモータ２０により回転
軸１４を回転させてヘッド部２２を図１（ロ）で時計方
向に回転させ、溶接トーチ２５により図２に示す溶接部
４０の如く炭素鋼用溶接材料で内側から溶接線に沿い全
周溶接するようにする。Next, in order to weld the carbon steel pipe 2 as the base material of the welded joint portion 26, the wire feeding device 31 is operated to wind the wire which is the welding material for carbon steel and is wound around the wire reel 27. While feeding 33, the rotating shaft 14 is rotated by the motor 20 to rotate the head portion 22 in the clockwise direction in FIG. 1B, and the welding torch 25 is used as the welding material for carbon steel as the welding portion 40 shown in FIG. Make sure to weld the entire circumference from the inside along the welding line.
【００１９】母材としての炭素鋼鋼管２の継手部２６の
溶接が終了すると、上記ワイヤ送給装置３１を停止させ
た後、別のワイヤ送給装置３２を作動させて、合わせ材
３の溶接に適応した合わせ材用溶接材料としてのワイヤ
３４の送給を行わせると共に、台車７上のモータ２０を
逆転させて回転軸１４とともにヘッド部２２を図１
（ロ）で反時計方向へ回転させるようにする。これによ
り溶接トーチ２５が母材の溶接部４０の上方を通過する
ときに合わせ材用溶接材料が溶かされて図２に示す如く
合わせ材３側の溶接が行われ、合わせ材用溶接材料の溶
接部４１が形成されて行き、全面にわたり自動的に溶接
することができる。When the welding of the joint portion 26 of the carbon steel pipe 2 as the base material is completed, the wire feeding device 31 is stopped and then another wire feeding device 32 is operated to weld the laminated material 3. The wire 34 as the welding material for the splicing material adapted to the above is fed, and the motor 20 on the carriage 7 is rotated in the reverse direction so that the head portion 22 together with the rotary shaft 14 is provided in FIG.
Use (b) to rotate it counterclockwise. As a result, when the welding torch 25 passes above the welded portion 40 of the base material, the welding material for the welding material is melted and the welding of the welding material 3 side is performed as shown in FIG. The part 41 is formed and the entire surface can be welded automatically.
【００２０】上記の溶接状況はＣＣＤカメラ３６で監視
でき、溶接材料の溶け具合いに応じて回転速度やワイヤ
の送給速度をコントロールする。The above welding condition can be monitored by the CCD camera 36, and the rotation speed and the wire feeding speed are controlled according to the melting condition of the welding material.
【００２１】本発明においては、母材としての炭素鋼用
の溶接材料のワイヤ３３と合わせ材用の溶接材料として
のワイヤ３４の２種類を搭載して、各溶接材料を溶加さ
せる方向にヘッド部２２の回転方向を選択できるように
してあるために、内面クラッド鋼管１の内部に台車７に
よりヘッド部２２を挿入させると、装置を管内部から引
き出したりすることなく、炭素鋼部分は炭素鋼用溶接材
料で、又、合わせ材部分は合わせ材用溶接材料でそれぞ
れ切り替えて溶接を施工することができ、能率よく作業
することができる。In the present invention, two types of wires, that is, the wire 33 of the welding material for carbon steel as the base material and the wire 34 as the welding material for the mating material are mounted, and the head is placed in the direction in which each welding material is added. Since the rotation direction of the portion 22 can be selected, when the head portion 22 is inserted into the inner clad steel pipe 1 by the dolly 7, the carbon steel portion is carbon steel without pulling the device out of the pipe. It is possible to perform welding by switching the welding material for welding and the welding material for the welding material to the welding material for welding material, which enables efficient work.
【００２２】[0022]
【発明の効果】以上述べた如く、本発明の内面クラッド
鋼管の自動溶接装置によれば、台車上に固定した回転軸
支持用のケーシング内に水平状態に配した回転軸を回転
自在に支持させて、モータにより正転、逆転駆動できる
ようにすると共に、ケーシング上に、管内面に台車を保
持させるためのクランプ機構を備え、ヘッド回転軸上
に、溶接機と、該溶接機の溶接トーチの回転方向より溶
接トーチを挟むように２種類のワイヤの先端を供給する
ように２つのワイヤリールと、２つのワイヤ送給装置
を、搭載してなる構成の溶接ヘッド部を、上記台車上の
回転軸にともに回転できるように取り付け、台車上のモ
ータにより回転軸ととも溶接ヘッド部を、溶接材料によ
り回転方向を変えるようにしてあるので内面クラッド鋼
管の突合わせ溶接継手部の溶接において、２種類の一方
のワイヤを使って母材を溶接した後に、別のワイヤを使
って合わせ材の溶接を施工でき、２種類のワイヤを、母
材用溶接材料と合わせ材用溶接材料とすることにより母
材用溶接材料を用いて溶接ヘッド部を一方向に回転させ
ることにより溶接し、合わせ材を溶接するときは合わせ
材用溶接材料を用いて上記と逆方向へ溶接ヘッド部を回
転させることにより溶接することができて、内面クラッ
ド鋼管を管内面から能率よく溶接することができ、狭隘
個所での溶接作業を自動化することができ、又、２種類
の溶接材料を、溶接ヘッドの回転方向の変換で選択する
ことができて、作業能率を向上させることができる、と
いう優れた効果を奏し得る。As described above, according to the automatic welding apparatus for the inner surface clad steel pipe of the present invention, the horizontally arranged rotary shaft is rotatably supported in the rotary shaft supporting casing fixed on the carriage. And a forward / reverse drive by a motor, and a clamp mechanism for holding the carriage on the inner surface of the pipe on the casing, and the welding machine and the welding torch of the welding machine on the head rotation shaft. Rotating the welding head part configured to mount two wire reels and two wire feeding devices so as to feed the tips of two kinds of wires so as to sandwich the welding torch from the rotating direction on the carriage. It is attached to the shaft so that it can be rotated together, and the welding head part together with the rotating shaft is changed by the motor on the trolley, and the direction of rotation is changed by the welding material. In welding of two types, after welding the base material using one of the two types of wire, the welding of the laminated material can be performed using another wire. Welding by rotating the welding head part in one direction by using the welding material for the base metal as the material, and when welding the welding material, use the welding material for the welding material in the opposite direction to the above Can be welded by rotating the inner clad steel pipe can be efficiently welded from the inner surface of the pipe, the welding work in a narrow space can be automated, and two kinds of welding materials can be welded. There is an excellent effect that the selection can be made by changing the rotational direction of the head and the work efficiency can be improved.
【図１】本発明の自動溶接装置を示すもので、（イ）は
一部切断側面図、（ロ）は溶接ヘッド部の正面図であ
る。1 shows an automatic welding apparatus of the present invention, (a) is a partially cut side view, and (b) is a front view of a welding head portion.
【図２】内面クラッド鋼の溶接部を示す概略図である。FIG. 2 is a schematic diagram showing a welded portion of inner clad steel.
【図３】内面クラッド鋼管の突合わせ溶接部の開先を示
す断面図である。FIG. 3 is a cross-sectional view showing a groove of a butt welding portion of an inner clad steel pipe.
【符号の説明】 １ 内面クラッド鋼管 ２ 鋼管 ３ 合わせ材 ７ 台車 ８ ケーシング ９ フレーム １０ クランプ機構 １１ クランプ用シリンダ １３ 押付け用パッド １４ 回転軸 １５ モータ １９ リングギヤ ２２ 溶接ヘッド部 ２３ ヘッド回転軸 ２４ ＴＩＧ溶接機 ２５ 溶接トーチ ２７，２８ ワイヤリール ３１，３２ ワイヤ送給装置 ３３，３４ ワイヤ[Explanation of Codes] 1 inner clad steel pipe 2 steel pipe 3 laminated material 7 bogie 8 casing 9 frame 10 clamp mechanism 11 clamp cylinder 13 pressing pad 14 rotating shaft 15 motor 19 ring gear 22 welding head 23 head rotating shaft 24 TIG welding machine 25 Welding torch 27,28 Wire reel 31,32 Wire feeder 33,34 Wire
フロントページの続き (72)発明者 中西 保正 神奈川県横浜市磯子区新中原町１番地 石 川島播磨重工業株式会社技術研究所内Front page continued (72) Inventor Yasumasa Nakanishi Shin-Nakahara-cho, Isogo-ku, Yokohama, Kanagawa 1 Ishikawajima Harima Heavy Industries Co., Ltd. Technical Research Institute
Claims (2)
る台車上に、回転軸支持用のケーシングを固定し、該ケ
ーシング内に水平方向に配した回転軸を回転自在に支持
させて、モータにより正転、逆転駆動できるようにする
と共に、該ケーシング上に、台車を管内に保持させるた
めのクランプ機構を備え、且つヘッド回転軸上に、溶接
機と、該溶接機の溶接トーチを溶接方向から挟むように
ワイヤを送給する２つのワイヤ送給装置と、２つのワイ
ヤリールを搭載してなる溶接ヘッド部を、上記台車上の
回転軸に取り付け、該台車上の回転軸とともに溶接ヘッ
ド部の回転方向をワイヤの使用に合わせて変えて溶接す
るようにしたことを特徴とする内面クラッド鋼管の自動
溶接装置。1. A casing for supporting a rotating shaft is fixed on a carriage that can run along the inner surface of an inner clad steel pipe, and a rotating shaft arranged in a horizontal direction is rotatably supported in the casing, and is directly supported by a motor. The casing is equipped with a clamp mechanism for holding the carriage inside the pipe, and the welding machine and the welding torch of the welding machine are sandwiched in the welding direction from the welding direction. And a welding head part having two wire reels mounted thereon are attached to a rotating shaft on the carriage, and the welding head part rotates together with the rotating shaft on the carriage. Automatic welding equipment for inner clad steel pipes, characterized in that the welding direction is changed according to the use of the wire.
イヤの他の１つを合わせ材用溶接材料とした請求項１記
載の内面クラッド鋼管の自動溶接装置。2. The automatic welding apparatus for an inner clad steel pipe according to claim 1, wherein one of the wires is a welding material for a base metal and the other one is a welding material for a mating material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15045696A JPH09314384A (en) | 1996-05-23 | 1996-05-23 | Automatic welding equipment for inner clad steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15045696A JPH09314384A (en) | 1996-05-23 | 1996-05-23 | Automatic welding equipment for inner clad steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH09314384A true JPH09314384A (en) | 1997-12-09 |
Family
ID=15497332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15045696A Pending JPH09314384A (en) | 1996-05-23 | 1996-05-23 | Automatic welding equipment for inner clad steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH09314384A (en) |
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|---|---|---|---|---|
| EP1693124A1 (en) | 2005-02-22 | 2006-08-23 | Hoesch Schwerter Profile GmbH | Method of manufacturing metal composite blocks |
| KR100765861B1 (en) * | 2006-10-10 | 2007-10-10 | 웰텍 주식회사 | Inner Joint Welding Machine for Small Diameter Steel Pipe |
| KR100831994B1 (en) * | 2006-12-14 | 2008-05-26 | 웰텍 주식회사 | Welding device for inner joint of steel pipe |
| JP2009220154A (en) * | 2008-03-17 | 2009-10-01 | Korea Electric Power Corp | Transfer apparatus of welding head in piping inner face |
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| CN106001871A (en) * | 2016-06-30 | 2016-10-12 | 张学衡 | Robot for arc welding of inner wall of steel pipe |
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1996
- 1996-05-23 JP JP15045696A patent/JPH09314384A/en active Pending
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1693124A1 (en) | 2005-02-22 | 2006-08-23 | Hoesch Schwerter Profile GmbH | Method of manufacturing metal composite blocks |
| DE102005008250A1 (en) * | 2005-02-22 | 2006-08-24 | Hoesch Hohenlimburg Gmbh | Method and device for producing metal composite blocks |
| KR100765861B1 (en) * | 2006-10-10 | 2007-10-10 | 웰텍 주식회사 | Inner Joint Welding Machine for Small Diameter Steel Pipe |
| KR100831994B1 (en) * | 2006-12-14 | 2008-05-26 | 웰텍 주식회사 | Welding device for inner joint of steel pipe |
| JP2009220154A (en) * | 2008-03-17 | 2009-10-01 | Korea Electric Power Corp | Transfer apparatus of welding head in piping inner face |
| JP2012030254A (en) * | 2010-07-30 | 2012-02-16 | Toshiba Corp | Method and device for laser beam welding |
| CN103029007A (en) * | 2012-03-13 | 2013-04-10 | 山东水泊焊割设备制造有限公司 | High-degree profiling device and gantry solder using same |
| CN102922191A (en) * | 2012-11-19 | 2013-02-13 | 大连佳峰电子有限公司 | Z-direction and corner movement structure of aluminum wire bonding machine |
| WO2014100589A1 (en) * | 2012-12-21 | 2014-06-26 | Fluor Technologies Corporation | Nanoclad pipe weld repair, systems and methods |
| CN104801833A (en) * | 2015-05-11 | 2015-07-29 | 威海克莱特热能设备有限公司 | Special double-torch box body inner melting electrode gas shielded welding machine |
| CN104942488A (en) * | 2015-07-06 | 2015-09-30 | 侯志坚 | Automatic gas spring steel cylinder welding device for civil engineering |
| CN106001871A (en) * | 2016-06-30 | 2016-10-12 | 张学衡 | Robot for arc welding of inner wall of steel pipe |
| CN107060770A (en) * | 2017-06-02 | 2017-08-18 | 中国水利水电第七工程局有限公司 | A kind of penstock installs movable automatic tooled joint car |
| CN107060770B (en) * | 2017-06-02 | 2023-09-19 | 中国水利水电第七工程局有限公司 | A mobile automatic pressure seaming vehicle for pressure steel pipe installation |
| CN112756870A (en) * | 2021-01-12 | 2021-05-07 | 浙江宝阳新能源科技有限公司 | Baffle welding set in solar energy heat storage water tank |
| CN119216981A (en) * | 2024-11-08 | 2024-12-31 | 徐州安邦信汽车电机科技有限公司 | A shell welding device for automobile motor processing |
| CN120133874A (en) * | 2025-05-13 | 2025-06-13 | 国网山东省电力公司桓台县供电公司 | An integrated processing device for producing anti-condensation terminal boxes |
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