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21. 发明专利

JPS6342551B2 失效
公开(公告)号：JPS6342551B2
公开(公告)日：1988-08-24
申请号：JP16816381
申请日：1981-10-21
申请人： MITSUBISHI HEAVY IND LTD
发明人： MATSUMOTO TAKERU , KAMEI HIROMASA , NISHIKAWA YOSHIHISA , KUSHIMOTO SHOJI
IPC分类号： B23K9/12 , B23K9/028

22. 发明专利

JPS6138780A Magnetic stirring and welding device 失效
标题翻译：磁力搅拌和焊接设备
公开(公告)号：JPS6138780A
公开(公告)日：1986-02-24
申请号：JP16092184
申请日：1984-07-31
申请人： Mitsubishi Heavy Ind Ltd
发明人： TSUJI KURETAKA , TODA OSAMU , BEPPU SEIJI , TADA YOSHIHIRO , NAGURA YASUMI , IMADA TAKEHIKO , NISHIKAWA YOSHIHISA , FUKUNAGA YOSHIAKI , MASAKI TSUTOMU
IPC分类号： B23K9/08
CPC分类号： B23K9/08
摘要： PURPOSE:To improve the quality of a welding joint by providing an electromagnetic coil opposed to a welding torch by placing a groove between them, and also providing a hollow iron core for jetting a back shield gas, on the center of its coil. CONSTITUTION:An electromagnetic coil 19 opposed to a welding torch 18 is placed by placing a welding groove 13 between them. A hollow iron core 22 passing through the center part of the electromagnetic coil 19 is provided, and from its tip, a back shield gas such as argon, etc. is jetted to the rear side of the groove 13. Also, from many holes of the iron core 22, a shield gas is blown to the electromagnetic coil 19. By this mechanism, a molten pool is stirred by a large electromagnetic force, and also the electromagnetic coil 19 is cooled. Moreover, since the back shield gas covers the rear side of the groove 13, the quality of a welding joint is improved.
摘要翻译：目的：为了提高焊接质量，通过在它们之间放置一个槽，提供与焊炬对置的电磁线圈，并且在其线圈的中心还提供用于喷射背面保护气体的中空铁芯。构成：通过在它们之间放置焊接槽13来放置与焊炬18相对的电磁线圈19。设置穿过电磁线圈19的中心部分的中空铁芯22，并且从其尖端将诸如氩等的背面保护气体喷射到槽13的后侧。另外，从多个孔铁芯22将屏蔽气体吹送到电磁线圈19.通过该机构，通过大的电磁力搅拌熔池，并且电磁线圈19也被冷却。此外，由于后挡板气体覆盖槽13的后侧，所以提高了焊接接头的质量。

23. 发明专利

JPS60145275A ROOT PASS METHOD 失效
公开(公告)号：JPS60145275A
公开(公告)日：1985-07-31
申请号：JP69084
申请日：1984-01-06
申请人： MITSUBISHI HEAVY IND LTD
发明人： KAMEI HIROMASA , IMADA TAKEHIKO , NISHIKAWA YOSHIHISA , FUKUNAGA YOSHIAKI , MASAKI TSUTOMU , ISHIDE TAKASHI
IPC分类号： B23K9/173 , B23K9/02 , B23K9/022 , B23K9/16
摘要： PURPOSE:To perform satisfactory root pass of a consumable electrode type gas shielded arc welding by welding the wide angle side of a groove by a high current spray arc and a narrow angle side by a low current short arc respectively and moving circularly the arcs in the weld line direction. CONSTITUTION:A high current spray arc 12 and a low current short arc 11 are continuously and alternately changed over and are circularly moved in the welding direction so that the wide angle side of the groove 23 of materials 21, 22 to be welded is welded by the arc 12 to form the 1st weld metal 32 and the narrow angle side is welded by the arc 11 to form the 2nd weld metal 33 in each unit circular movement to perform satisfactory root pass in the stage of performing butt welding between the materials 21 and 22 by consumable electrode type gas shielded arc welding. Formation of satisfactory penetration beads is made possible by changing the ratio between the low current region theta1 and high current region theta2 in the above-mentioned unit circular movement according to the varying size of the gap 24 of the groove 23.

24. 发明专利

JPS5948708B2 JPS5948708B2 - 失效
公开(公告)号：JPS5948708B2
公开(公告)日：1984-11-28
申请号：JP16566579
申请日：1979-12-21
申请人： Mitsubishi Heavy Ind Ltd
发明人： KAMEI HIROMASA , IMADA TAKEHIKO , FUKUNAGA YOSHIAKI , TAKANO GENTA , MISHIMA TAKEKATSU , NISHIKAWA YOSHIHISA , TOYOHARA TSUTOMU
IPC分类号： B23K9/127 , B23K9/00 , B23K9/028 , B23K9/032 , B23K9/12

25. 发明专利

JPS5764490A Circumfeential automatic tig welding device 失效
标题翻译：圆弧焊自动焊接设备
公开(公告)号：JPS5764490A
公开(公告)日：1982-04-19
申请号：JP13872080
申请日：1980-10-06
申请人： Mitsubishi Heavy Ind Ltd
发明人： SAKAMOTO MICHITO , NISHIKAWA YOSHIHISA , NAGURA YASUMI , NAKAMURA AKIO , INOUE SHIYOUGO
IPC分类号： B23K9/29 , B23K9/028
摘要： PURPOSE: To make butt welding in a narrow place possible by mounting two split rotatable electricity conducting rings on their inner side of two split bodies enclosing the circumferential surface of pipes, using transparent materials for the annular parts of the bodies opposite to the swiveling locus of an electrode holding these, and providing two split adapter rings contacting tightly the circumferential surface of the pipes on both sides of the bodies.
CONSTITUTION: Two split electricity conducting rings 14a, b are provided rotatably on the inner side of two split bodies 3 enclosing the circumference of pipes 1, and an electrode 16 is held by one ring 14a thereof. Transparent materials 18a, b of quartz glass or the like are used for the annular parts of the bodies 3 opposite to the locus of the electrode 16 swiveled by the rotation of the ring 14a, and further two split adapter rings 10a, b contacting tightly the cylindrical circumferential surfaces of the bodies 3 are provided. Here, electricity is supplied to the electrode 16 to generate an arc, by which the butt parts of the pipes 1 are welded under monitoring through the materials 18a, b.
COPYRIGHT: (C)1982,JPO&Japio
摘要翻译：目的：通过在两个分开的主体的内侧上安装两个分开的可旋转的导电环，在狭窄的地方进行对接焊接，该导体环围绕管的周向表面，使用透明材料用于与旋转轨迹相对的主体的环形部分保持这些的电极，并且提供两个分开的接合环，紧密接合体两侧的管的圆周表面。构成：两个分流导电环14a，b可旋转地设置在包围管1的周边的两个分体3的内侧，电极16由其一个环14a保持。透镜材料18a，b的石英玻璃等用于与通过环14a的旋转而旋转的电极16的轨迹相对的主体3的环形部分，以及另外两个分开的适配环10a，b紧密接触设置主体3的圆柱形周向表面。这里，向电极16供给电力，以产生电弧，通过材料18a，b监测管1的对接部分被焊接。

26. 发明专利

JPS5689380A AUTOMATIC VERTICAL CIRCUMFERENTIAL WELDING EQUIPMENT 失效
公开(公告)号：JPS5689380A
公开(公告)日：1981-07-20
申请号：JP16566579
申请日：1979-12-21
申请人： MITSUBISHI HEAVY IND LTD
发明人： KAMEI HIROMASA , IMADA TAKEHIKO , FUKUNAGA YOSHIAKI , TAKANO GENTA , MISHIMA TAKEKATSU , NISHIKAWA YOSHIHISA , TOYOHARA TSUTOMU
IPC分类号： B23K9/127 , B23K9/00 , B23K9/028 , B23K9/032 , B23K9/12
摘要： PURPOSE:To automatically weld a circular metal fitting to a large cylindrical vessel having annular reinforcing ribs in a vertical position by vertically moving a welding torch along the work by means of a noncontact sensor. CONSTITUTION:A vertical position adjusting slide 19 is vertically moved to position a welding torch to just before the metal fitting 3 to be welded, and an angle adjusting plate 20 is slewed and is fixed to the slide 19 at such an angle at which the torch 4 is positioned perpendicularly to the fitting 3. Next, the torch 4 is aligned to a groove A and a noncontact sensor 40 is set at a distance at which it operates on the outside surface of the fitting 3 near the groove A. A torch rotating motor 36 is operated to rotate the torch 4 and the sensor 40 around the fitting 3. Then, a servo motor 39 repeats forward and backward runs to slide an outer slide cylinder 35 so as to maintain the spacing between the sensor 40 and the fitting 3 constant, thereby causing the torch 4 to trace the saddle type groove A. This causes the welding to progress automatically.

27. 发明专利

JPS54117352A AUTOMATIC FILLET WELDER 失效
公开(公告)号：JPS54117352A
公开(公告)日：1979-09-12
申请号：JP2417278
申请日：1978-03-03
申请人： MITSUBISHI HEAVY IND LTD
发明人： SHIMOYAMA HIROSHI , NISHIKAWA YOSHIHISA , TOYOHARA TSUTOMU , KITAUE MASAMI
IPC分类号： B23K9/00 , B23K9/02 , B23K9/127 , B23K31/00 , B23K37/00
摘要： PURPOSE:To make possible the fillet welding of high quality to be carried out automatically, by incorporating the peculiar mechanism consisting of the traveling torch truck, the torch truck, etc., into the fillet welder for welding the corner part formed by a vertical structur and a horizontal stiffener being tack welded to this structure. CONSTITUTION:The welding torch 31, and the torch bed plate 21 provided with the tracing roller 22 contacting with the vertical parent metal 1, are installed on the torch truck 15 so as to always extrude toward the parent metal 1. The torch 31 is set at a constant distance from the parent metal 1, and besides, above truck 15 is connected to the slide 10 by the pin 11 so as to freely swing vertically; hereupon, the slide 10 is slidable toward the parent metal 1 on the traveling truck 3 traveling parallelly to the parent metal 1 on the horizontal parent metal (stiffener) 2a being tack welded to the parent metal 1. The torch truck 15 and the traveling truck 3 are separately moved vertically along the ups and downs of the horizontal parent metal 2a, and the torch 31 is traveled keeping a constant distance from the parent metal 2a. The right and left manual slides 32, 32', and upper and lower slides 33, 33', settle the torches 31, 31', at the suitable position of the groove, and the welding is carried out; hereby, the automatic welding of the fillet part is possible independently of ups and downs of the parent metal.

28. 发明专利

JPH07251137A UNDERWATER CLEANING DEVICE FOR INSIDE OF PIPE 失效
公开(公告)号：JPH07251137A
公开(公告)日：1995-10-03
申请号：JP4697694
申请日：1994-03-17
申请人： MITSUBISHI HEAVY IND LTD
发明人： NISHIKAWA YOSHIHISA , KOIWA MASAMI , SHIMOYAMA HIROSHI
IPC分类号： E03F9/00 , B08B9/04 , B08B9/049
摘要： PURPOSE:To resist against large fluid force and to enable to use for a pipe whose shape is varied in sites or in which obstacles exist by providing the 1st and 2nd traveling means each having a driving wheel and a pressing pad, a steering mechanism for the 2nd traveling means, a nozzle for jetting high pressure water, and a monitoring part for a cleaning part. CONSTITUTION:A body 11 is held in the center of a pipe 90 by supporting extension/ contraction parts 20, 22 with the pipe 90. Strong supporting force is obtained and driving force and holding force are obtained without being influenced by fluid drag by using driving wheels 27, 31 for the exclusive use of a circular or elliptical pipe and a pressing pad 25. By the supporting fixation and traveling by the 1st and 2nd traveling means, the bending movement and the approaching and leaving movement of a front part 12 and a central part 13 by the 1st connecting part, and the horizontal bending movement of the central part 13 and a rear part 14 by the 2nd connecting part, a step part of a pipe having different diameters, a part in which the shape is varied, a region in which obstacles are exist and the like are overcome. An arm 42 is turned in the pipe peripheral direction in the pipe 90 and high water is jetted from a water jet nozzle 44 to clean the inner surface, and the cleaning state is monitored by a monitor camera 48.

29. 发明专利

JPH07204851A AUTOMATIC LAP WELDING MACHINE FOR BENT FOLD PLATE 失效
公开(公告)号：JPH07204851A
公开(公告)日：1995-08-08
申请号：JP2335994
申请日：1994-01-24
申请人： MITSUBISHI HEAVY IND LTD
发明人： KAMEI HIROMASA , NISHIKAWA YOSHIHISA , KUSHIMOTO SHOJI , TSUCHIDA EIJI , KUMAKURA MASUO , SUGAWARA KEIJI , FUKUNAGA YOSHIAKI
IPC分类号： B23K9/12 , B23K9/00 , B23K9/02 , B23K9/127 , B23K37/02
摘要： PURPOSE:To provide an automatic lap welding machine for bent fold plates which can precisely, efficiently and automatically weld a lap joint whose welding line is bent in a small radius of curvature with a light, small and portable device. CONSTITUTION:A supporting stand 4 which positions and fixes against the welding line of a lap joint 3 with a central adjusting gage 5 installed against peaks of fold parts 2a, 2b, grooves adjusting gage 6a, 6b installed on the above both sides, suckers 10a, 10b and a clamp mechanism 9, and a X-axial rail 11 attached on the supporting stand so as to move parallel and position to the welding line are provided. A X-axial stage running on the X-axial rail 11 has a Y-axial rail 14 attached so as to move and position parallel to the fold parts 2a, 2b direction and a torch head part 17 attached so as to approach the fold parts 2a, 2b on the top end of the Y-axial rail.

30. 发明专利

JPH0775874A LAP JOINT AUTOMATIC WELDING EQUIPMENT 失效
公开(公告)号：JPH0775874A
公开(公告)日：1995-03-20
申请号：JP24203793
申请日：1993-09-02
申请人： MITSUBISHI HEAVY IND LTD
发明人： KAMEI HIROMASA , NISHIKAWA YOSHIHISA , KUSHIMOTO SHOJI , FUKUNAGA YOSHIAKI , TSUCHIDA EIJI , KUMAKURA MASUO , KISHIMOTO TADASHI
IPC分类号： B23K9/00 , B23K9/02 , B23K9/12 , B23K37/02 , B25J9/04
摘要： PURPOSE:To automatically weld a lap joint of the entire periphery of a square connecting plate without weld zone monitoring of an operator by setting of one time, secure the welding quality and reduce the cost and a term of works. CONSTITUTION:A positioning plate 5b provided foldably on the position in opposition to two sides to cross orthogonally of the square connecting plate 1 of a base plate 4 mounted on the central part of the square connecting plate 1 and fitted with a positioning pawl 7b on the tip, a suction pad 9 provided on the central part of the base plate 4 and a turn table 13 set up turnably on the central part of the base plate are provided. A couple of slide plates 20a and 20b mounted flexibly in both directions of right and left on the turn table 13 and welding torches 24a and 24b fitted via torch fine adjuster 22a and 22b on the tips of the slide plates 20a and 20b are provided.

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