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1. 发明专利

JP2000280092A LONGE MATERIAL FIXING DEVICE 失效
公开(公告)号：JP2000280092A
公开(公告)日：2000-10-10
申请号：JP8845499
申请日：1999-03-30
申请人： NIPPON KOKAN KK
发明人： MURAYAMA HIROSHI
IPC分类号： B23K9/235 , B23K9/00 , B23K9/12 , B23K37/04
摘要： PROBLEM TO BE SOLVED: To simplify the construction of a portal-shaped main body, and greatly reduce facility costs. SOLUTION: A first slider 15 is installed to a self-advancing portal-shaped main body 13 extending across a large plate 2 being set on a transfer line 12, and plural second sliders 17 are installed to the first slider 15. A portal- shaped frame having adsorbing means 37a, 37b which can be adsorbed to the large plate 2 is mounted to each second slider 17 at the bottom end via elevating mechanisms 60a, 60b. Then, line width direction positioning means 38a, 38b of a longe material 1 uprightly installed to the large plate 2, a press down means 39 for pressing the longe material 1 to the large plate 2, and welding machines 26a, 26b for tack-welding a T-joint part of the longe material 1 with the large plate 2, are mounted to each portal-shaped frame, respectively. Thereby, a reaction force applied to each portal-shaped frame is all received by the adsorbing means 37a, 37b for adsorbing to the large plate 2 when the longe material 1 is positioned.

2. 发明专利

JP2000280070A METHOD AND DEVICE FOR MANUFACTURING BUILT-UP LONGE 失效
公开(公告)号：JP2000280070A
公开(公告)日：2000-10-10
申请号：JP8934499
申请日：1999-03-30
申请人： NIPPON KOKAN KK
发明人： MURAYAMA HIROSHI
IPC分类号： B23K37/00 , B23K9/00 , B23K9/12 , B23K9/127 , B23K31/00 , B23K37/04
摘要： PROBLEM TO BE SOLVED: To simultaneously or conttnuously perform final welding and strain relieving without necessity of tack welding, and reduce the number of manufacturing steps including transfer of a built-up longe. SOLUTION: A face material 1 and a web material 2 are arranged in an inverted T shape, and only the tip end relation position is fixed at a regular position. Then, the materials 1, 2 are fed to a fixed type longe manufacturing device 21 through a conveyor 22. While the T-joint part relation position of the face material 1 and the web material 2 is regulated without stopping flow, both face fillet welding (final welding) of the T-joint part and strain relieving by heating of a reverse welding side edge of the web material 2 are simultaneously or continuously performed.

3. 发明专利

JP2000272735A LOUNGE CARRYING CONVEYOR 失效
公开(公告)号：JP2000272735A
公开(公告)日：2000-10-03
申请号：JP8328599
申请日：1999-03-26
申请人： NIPPON KOKAN KK
发明人： MURAYAMA HIROSHI
IPC分类号： B23K37/00 , B65G21/20
摘要： PROBLEM TO BE SOLVED: To carry a lounge member having a web material placed on a face material in a free condition while preventing the falling of the web material. SOLUTION: A face material 1 and a web material 2 for a lounge member 10 are temporarily welded at their ends only, bar members 6a, 6b having preset passing gaps are erected on a machine frame 4 of a roller conveyor 3 and falling preventing members 5 for the web material 2, to which outwardly expanded guide members 7a, 7b are mounted are provided thereon.

4. 发明专利

JP2000024778A MULTI-ELECTRODE OVERHEAD WELDING METHOD 失效
公开(公告)号：JP2000024778A
公开(公告)日：2000-01-25
申请号：JP19713198
申请日：1998-07-13
申请人： NIPPON KOKAN KK
发明人： NISHI YASUHIKO , OZAMOTO DAISUKE , MURAYAMA HIROSHI , SUGITANI YUJI
IPC分类号： B23K9/00 , B23K9/02 , B23K9/095 , B23K9/173 , B23K37/06
摘要： PROBLEM TO BE SOLVED: To conduct multilayer sequence welding in one run from a rear side (lower side) of butt parts of thick plate materials to be welded with multi- electrodes while preventing a weld metal from flowing out in front of a weld line and generation of incomplete penetration. SOLUTION: Plural electrodes 21, 22, 23, in which position of tip parts direct a weld line direction, are arranged so that heights in butted parts of thick plate materials to be welded 24a, 24b are different and the electrode at higher position is preceded, by running respective electrodes 21, 22, 23 while maintaining horizontal direction balance so that the resultant force of surface tension of a molten pool and arc force is contention with the horizontal direction force due to a gravity of the molten pool, the multilayer sequence welding is done in one run.

5. 发明专利

JPH06320273A CORNER PROFILE FILLER WELDING EQUIPMENT 失效
公开(公告)号：JPH06320273A
公开(公告)日：1994-11-22
申请号：JP11063593
申请日：1993-05-12
申请人： NIPPON KOKAN KK
发明人： MURAYAMA HIROSHI , HIRAI YASUO , FUJIWARA HATSUAKI
IPC分类号： B23K9/00 , B23K9/02 , B23K9/127
摘要： PURPOSE:To provide the welding equipment capable of fillet welding of a corner part where stiffeners of panel material with the grid-shaped stiffeners cross each other. CONSTITUTION:A rotating means of a welding torch 70 consisting of gears 22 and 23, and a sector gear 25 and a driving motor 21 of the rotating means are provided on a second machine frame 20 and a first machine frame 30 which supports the second machine frame 20 movably in the direction to orthogonally cross the traveling direction of a traveling carriage 40 is provided. A cam follower 34 which engages with a cam 27 fitted on an axis of the gear 23 is provided on the first machine frame 30, a coil spring 33 is provided between the second machine frame 20 and the first machine frame 30 and the first machine frame 20 is supported movably in the direction to orthogonally cross the traveling direction of the traveling carriage 40. Consequently, the equipment can be miniaturized, the entire length of the corner part can be welded and welding by manual aid is eliminated.

6. 发明专利

JPS60177968A H-STEEL AUTOMATIC WELDING MACHINE 失效
公开(公告)号：JPS60177968A
公开(公告)日：1985-09-11
申请号：JP3434684
申请日：1984-02-27
申请人： NIPPON KOKAN KK
发明人： MURAYAMA HIROSHI
IPC分类号： B23K9/00 , B23K9/12 , B23K9/127
摘要： PURPOSE:To reduce man-hours for manufacturing an H-steel by running a truck to which a guide roller that copies a flange center on the web of a tacked H- steel is attached and welding fillet parts of the H-steel by plural torches attached to the truck. CONSTITUTION:The truck 6 is run on the web of the H-steel 1 having flanges 3A, 3B tacked to both ends of the web 2. Guide rollers 7A, 7B that copy the flange center positioned at the center of the web 2 are attached at the center of the truck 6 through a supporting fitting 8 and a web width adjusting mechanism 9. Further, two welding torches 10A, 10B are attached through a welding torch adjusting mechanism 11 in the rear part, facing the direction of running, on the truck 6, and tips of the torches 10A, 10B are directed respectively to fillet parts of the web 2 and flanges 3A, 3B. By this constitution, the truck 6 is run by the guide rollers 7A, 7B, both fillet parts are welded simultaneously. Then, the H-steel is inverted, and opposite fillet parts are welded similarly.

7. 发明专利

JP2001300776A DEVICE FOR GRINDING/POLISHING/CLEANING FILLET WELDING ZONE 失效
公开(公告)号：JP2001300776A
公开(公告)日：2001-10-30
申请号：JP2000114693
申请日：2000-04-17
申请人： NIPPON KOKAN KK , MENTEC KIKO KK
发明人： KITAGAWA HISAO , SUGIURA YU , MURAYAMA HIROSHI , NAKAO HIROSHI , NAKAO YUICHI , IWAI SADAO
IPC分类号： B24B9/00 , B23K37/08
摘要： PROBLEM TO BE SOLVED: To gring/polish/clean a weld bead face as well as a lower plate face and a vertical plate face which are adjacent to the weld bead face by a single grinding/polishing/cleaning mechanism. SOLUTION: A single grinding/polishing/cleaning mechanism 26 with which the weld bead 4 at the fillet welding zone on a lower plate 2 and a vertical plate 1 as well as each of steel plate faces of the lower plate 2 and the vertical plate 1 which are adjacent to the weld bead 4 are simultaneously ground/ polished/cleaned is formed in a way that the mechanism can be pressed against the fillet welding zone while beeping a predetermined angle by a pressing mechanism 27. A bending mechanism 28 which supports these sweep-grinding mechanism 26 and the pressing mechanism 27 and bends both of them in the direction of approaching to and separating from the fillet welding zone around a center located immediately above the vertical plate.

8. 发明专利

JP2001179447A METHOD FOR CONTROLLING GROOVE PROFILE 失效
公开(公告)号：JP2001179447A
公开(公告)日：2001-07-03
申请号：JP36510199
申请日：1999-12-22
申请人： NIPPON KOKAN KK
发明人： SANO TAKANOBU , MURAYAMA HIROSHI , MATSUDA EIJI , SUGITANI YUJI
IPC分类号： B23K37/02 , B23K9/00 , B23K9/127
摘要： PROBLEM TO BE SOLVED: To provide a method for controlling a groove profile, which can cope with various weld line shapes and long sizing of the weld line. SOLUTION: In a method in which a boom 2 extending in the weld line 23 direction is provided turnably and laterally movably in the groove width direction on a moving vehicle 1 and welding is performed while a welding machine 3 mounted at the tip part of the boom 2, is allowed to move on the surfaces of members to be welded, by oscillating two preceding and succeeding groove profile sensors 6a, 6b arranged in front of the welding machine 3 in the direction crossing the groove, a shift quantity in a position in the groove width direction and a shift angle in the proceeding direction of the welding machine, are detected, and the boom 2 is allowed to laterally move and turn in the groove width direction so that the detected shift quantity in a position and shift angle are corrected.

9. 发明专利

JP2001179440A MECHANISM FOR SUPPORTING AUTOMATIC OVERHEAD WELDING SET 失效
公开(公告)号：JP2001179440A
公开(公告)日：2001-07-03
申请号：JP36510299
申请日：1999-12-22
申请人： NIPPON KOKAN KK
发明人： SANO TAKANOBU , MURAYAMA HIROSHI , MATSUDA EIJI , SUGITANI YUJI
IPC分类号： B23K37/02 , B23K9/00 , B23K9/02 , B23K9/127
摘要： PROBLEM TO BE SOLVED: To contrive the stabilization of automatic overhead welding by giving attention to a system by which a welding set is pressed against a member to be welded from the underside. SOLUTION: A running device 1 which runs on the road surface 100 underside the member 10 to be welded is connected to a welding machine 2 with which welding is performed while moving on the surface of the member to be welded with a boom 3 which is joined with a pin and the welding machine 2 is pressed against the member 10 to be welded with a cylinder device 4 which is joined to the boom 3 with a pin.

10. 发明专利

JP2001025864A METHOD AND DEVICE FOR FILLET WELDING BY MULTIPLE ELECTRODE 失效
公开(公告)号：JP2001025864A
公开(公告)日：2001-01-30
申请号：JP19984899
申请日：1999-07-14
申请人： NIPPON KOKAN KK
发明人： SANO TAKANOBU , SUZUKI YASURO , MURAYAMA HIROSHI
IPC分类号： B23K9/00 , B23K9/02
摘要： PROBLEM TO BE SOLVED: To make the shapes and the sizes of beads almost equal to those at the time of tandem welding by using only preceding welding torches in the corner parts of a long size member, and performing the corner-rolling-in welding of reciprocating passes after decreasing a welding current and a welding speed. SOLUTION: By preceding welding torches 4a, 4b and succeeding welding torches 5a, 5b arranged in twin tandem, the mounting tip part of a long size lounge material 2 to be mounted on a panel material 1 is subjected to full-circled fillet welding. A notch part 3c forming a drain hole in the lounge material 2 and notch parts 3a, 3b forming scallops on both tip parts are provided, and Weld lines are formed, which consist of two slender rectangular first and second loop shape weld lines 6, 7. At corner parts A, A' on the starting end side of welding, the corner-rolling-in welding of reciprocating passes is basically performed by only preceding welding torches 4a, 4b. At this time, a preceding welding current and a welding speed are made to be lower than those at the time of tandem welding.

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