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1. 发明专利

JP2006007301A Welding apparatus with cooling mechanism 审中-公开
标题翻译：具有冷却机构的焊接设备
公开(公告)号：JP2006007301A
公开(公告)日：2006-01-12
申请号：JP2004190640
申请日：2004-06-29
申请人： Hitachi Eng Co Ltd , Hitachi Ltd , 日立エンジニアリング株式会社 , 株式会社日立製作所
发明人： KAWAKAMI MITSUO , YANAGIDA NOBUYOSHI , HAYASHI SHOJI , SUGANO SATOSHI , ENOMOTO KUNIO , KOIDE HIROO , TSUJIMURA HIROSHI
IPC分类号： B23K37/00 , B23K9/32
摘要： PROBLEM TO BE SOLVED: To provide a welding apparatus having a mechanism to cool a welded zone with cooling water immediately after welding, which can efficiently recover cooling water without dispersing it around and can fit to a complicated surface profile of a material to be welded.
SOLUTION: This welding apparatus comprises a welding torch 1, a spray nozzle 8 to supply water to the welded zone welded by the welding torch 1, and the cooling mechanism 7 with a suction hood 9 containing the spray nozzle 8 inside. In the outer periphery of the suction hood 9, a plurality of gap adjusting devices 20 are arranged which can move following irregularity of the surface of the material to be welded 3.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种焊接设备，其具有在焊接之后立即用冷却水冷却焊接区域的机构，其可以有效地回收冷却水而不将其分散在周围，并且可以适应材料的复杂表面轮廓焊接。该焊接装置包括焊炬1，喷射喷嘴8，用于向由焊炬1焊接的焊接区域供水，冷却机构7具有内部具有喷嘴8的吸气罩9。在吸气罩9的外周设置有多个间隙调整装置20，其能够随着待焊接材料3的表面的不规则移动。（C）2006年，JPO＆NCIPI

2. 发明专利

JP2003311481A Welding equipment 审中-公开
标题翻译：焊接设备
公开(公告)号：JP2003311481A
公开(公告)日：2003-11-05
申请号：JP2002112793
申请日：2002-04-16
申请人： Hitachi Eng Co Ltd , Hitachi Ltd , 日立エンジニアリング株式会社 , 株式会社日立製作所
发明人： YANAGIDA NOBUYOSHI , ENOMOTO KUNIO , ANZAI HIDEYA , KAWAKAMI MITSUO , TSUJIMURA HIROSHI
IPC分类号： B23K9/29 , B23K31/00 , B23K37/00
摘要： PROBLEM TO BE SOLVED: To provide low-cost welding equipment in which the tensile residual stress of the surface of a weld zone is efficiently converted into compression.
SOLUTION: The welding equipment comprises: a torch 1 for Tungsten Inert Gas (TIG) welding supported on a carriage and connectable to a power source; an injection nozzle 21 supported on the carriage and supplying water to welded marks by means of the torch 1 for TIG welding; a suction nozzle 20 supported on the carriage and having a suction port at the outer periphery of the injection nozzle 21; a cooling medium supply hose 25 supplying water to the injection nozzle 21 by connecting the injection nozzle 21 to a water source; a suction pump providing suction force to the suction nozzle 20; and a container receiving the water sucked by means of the suction nozzle 20 through a cooling medium recovery hose 26 connected to the suction nozzle 20.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：提供一种低成本的焊接设备，其中焊接区域的表面的拉伸残余应力被有效地转化为压缩。焊接设备包括：支撑在托架上并连接到电源的钨惰性气体焊枪（TIG）焊枪; 喷嘴21，其支撑在滑架上，并通过用于TIG焊接的焊炬1向焊接标记供水; 支撑在滑架上并在喷嘴21的外周具有吸入口的吸嘴20; 冷却介质供给软管25，通过将喷嘴21连接到水源而向喷嘴21供水; 抽吸泵向吸嘴20提供吸力; 以及通过连接到吸嘴20的冷却介质回收软管26接收借助于吸嘴20吸入的水的容器。（C）2004，JPO

3. 发明专利

JP2000343270A METHOD AND DEVICE FOR WELDING 失效
公开(公告)号：JP2000343270A
公开(公告)日：2000-12-12
申请号：JP15748799
申请日：1999-06-04
申请人： HITACHI LTD , HITACHI ENG CO LTD
发明人： YANAGIDA NOBUYOSHI , ENOMOTO KUNIO , ISHIZUKI TOSHIO , SHIMIZU SADAHITO , SUGANO SATOSHI
IPC分类号： B23K9/23 , B23K31/00 , B23K103/04 , G21D1/00
摘要： PROBLEM TO BE SOLVED: To reduce tensile residual stress by simple constitution by utilizing thermal shock strain. SOLUTION: By rapidly cooling a surface region whose temperature is raised by heat input of welding by jetting a coolant from a nozzle 11 to a region of the surface of a weld zone which is in the state of tensile stress, transient temperature difference is generated between the surface and a layer just under a surface layer. In this way, the tensile thermal shock stress is added on the surface layer, tensile strain is generated and also the surface layer is partially yielded. Next, by stopping cooling and raising the temperature, the thermal shock stress is eliminated. The surface of the weld zone is improved into a state where deformation is elastically recovered from the partially yield state and tensile stress is mitigated, or a compressive residual stress state.

4. 发明专利

JP2005126771A Heat treatment method for piping system 有权
标题翻译：管道系统热处理方法
公开(公告)号：JP2005126771A
公开(公告)日：2005-05-19
申请号：JP2003363991
申请日：2003-10-24
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： YANAGIDA NOBUYOSHI , SAITO NOBORU , HAYASHI SHOJI , ENOMOTO KUNIO
IPC分类号： G21D1/00 , C21D9/08 , C21D9/50
CPC分类号： Y02E30/40
摘要： PROBLEM TO BE SOLVED: To make maximum relaxing amount to tension residual stress in the inner surface of a piping in the existing piping system constituted of an austenitic stainless steel having ≤0.03% carbon content.
SOLUTION: After assembling the piping system, a cooling material is put in the inner part of the piping constituted of the piping system and the outer surface of the piping is heated by using a high frequency induction heating apparatus, and the heat treatment generating the temperature difference between the inner surface and the outer surface is applied to give the plastic deformation at the tension side in the inner surface of the piping during heating. The relaxation of the tension residual stress is applied by giving the optimum temperature distribution for giving a compression residual stress in the inner surface of the piping, from a stress-strain relation having a temperature dependency of the austenitic stainless steel having low carbon content as the basic material of the piping.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：在由具有≤0.03％碳含量的奥氏体不锈钢构成的现有管道系统中，使管道内表面的最大松弛量达到拉伸残余应力。
解决方案：在组装管道系统之后，将一种冷却材料放入由管道系统构成的管道的内部，并且通过使用高频感应加热装置来加热管道的外表面，并且热处理施加内表面和外表面之间的温差产生加热时管道内表面的张力侧的塑性变形。通过从具有低碳含量的奥氏体不锈钢的温度依赖性的应力 - 应变关系给出最佳的温度分布来给出管道内表面中的压缩残余应力的最佳温度分布，作为管道的基本材料。版权所有（C）2005，JPO＆NCIPI

5. 发明专利

JPH10315248A MANUFACTURE OF RESIN MOLDED BODY 失效
公开(公告)号：JPH10315248A
公开(公告)日：1998-12-02
申请号：JP13070197
申请日：1997-05-21
申请人： HITACHI LTD
发明人： SASAKI KOJI , SAITO NAOTO , YANAGIDA NOBUYOSHI
IPC分类号： B29C39/10 , H02K15/12
摘要： PROBLEM TO BE SOLVED: To make it possible to manufacture a resin molded body in a short period of time under the condition that the residual stress of a resin is reduced by controlling the temperature of an insert material independently of that of a mold. SOLUTION: An internal insert material 2 is a coiled conductor, which is realized by winding an aluminum band material around a former in a predetermined number of turns. To obtain the high fluidity of a resin, a liquid casting resin 1, which is heated up to 80 deg.C, is in a mold 5 after the resin, the mold 5 and the coiled conductor are heated up to 80 deg.C, for example. In this case, an epoxy resin kneaded with a silica is used as a filer. By raising the temperatures of the mold 5 and of the coiled conductor after the completion of the pouring of the resin, the hardening reaction of the resin is accelerated. At this time, for example, the temperature of the mold 5 is, at first raised to 110 deg.C and that of the coiled conductor is raised to 130 deg.C. Then, the temperature of the mold 5 is raised to 130 deg.C, resulting in developing an enough hardening reaction in the casting resin 1 except the neighborhood of the coiled conductor. After the finish of the hardening reaction of the casting resin, a molded coil is unloaded from the mold and cooled down to the room temperature.

6. 发明专利

JP2014055760A Prevention maintenance repair method for weld of membrane panel for boiler and boiler device with this prevention maintenance repair 有权
标题翻译：用于锅炉和锅炉装置的薄膜焊接预防维修维修方法与此预防性维护维修
公开(公告)号：JP2014055760A
公开(公告)日：2014-03-27
申请号：JP2013165953
申请日：2013-08-09
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： YANAGIDA NOBUYOSHI
IPC分类号： F22B37/10 , B23K9/00 , B23K9/04 , B23K9/235 , B23K31/00
CPC分类号： F22B37/10 , B23P6/04 , F16L55/162 , F16L55/168 , F22B21/34 , F23M5/08 , F28F11/00
摘要： PROBLEM TO BE SOLVED: To provide a prevention maintenance repair method for a strength secured weld of a membrane panel for a boiler by applying compressive residual stress to an inner surface of a peripheral weld part of a pipe of the membrane panel for the boiler forming a water wall of a boiler furnace and restricting occurrence of curved deformation at the membrane panel for the boiler.SOLUTION: This prevention maintenance repair method for a weld of a membrane panel for a boiler is carried out in such a way that when a penetration crack occurs at a pipe 1 of the membrane panel 20 for the boiler, the penetration crack generated at the pipe 1 is cut away to form a repair part groove, this repair part groove is applied with build-up welding to form a repair build-up weld part 8, and then build-up welding is carried out to form an outer surface build-up weld part 10 entirely against each of both surfaces of a front surface and a rear surface of the boiler membrane panel 20 including the weld part.
摘要翻译：要解决的问题：为了提供一种用于锅炉的薄膜面板的强度固定焊接的预防维护修复方法，该方法是将压缩残余应力施加到用于形成锅炉的锅炉的薄板的管的周边焊接部分的内表面锅炉炉壁的水壁，限制锅炉的膜面板发生弯曲变形。解决方案：这种锅炉用薄膜面板的焊接的预防维修方法是在发生穿透裂纹的情况下进行的在用于锅炉的膜面板20的管道1处，在管1处产生的渗透裂缝被切除以形成修复部分凹槽，该修复部分凹槽被施加堆积焊接以形成修复堆焊部分8，然后进行堆积焊接，以形成完全抵抗锅炉膜面板20的前表面和后表面的每个表面的外表面堆积焊接部分10，包括t 他焊接部分。

7. 发明专利

JP2007021516A Narrow bevel welding method, welded structure, and welding apparatus therefor 有权
标题翻译：窄波焊接方法，焊接结构及其焊接设备
公开(公告)号：JP2007021516A
公开(公告)日：2007-02-01
申请号：JP2005205037
申请日：2005-07-14
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： IMANAGA AKIYOSHI , OBANA TAKESHI , ASHIDA EIJI , KOIDE HIROO , LUO XIANGJUN , HAYASHI SHOJI , SUGANO SATOSHI , NEFU AKIRA , YANAGIDA NOBUYOSHI , SAITO HIDEYO , KATSUYAMA KENJI
IPC分类号： B23K31/00 , B23K9/167 , B23K9/23 , B23K101/06 , B23K103/04
摘要： PROBLEM TO BE SOLVED: To prevent stress-corrosion cracking or the like by changing residual stress generated by one side welding of a bevel joint into a compressing stress. SOLUTION: A narrow bevel welding in which one side surface welding is performed from the bottom part to the top part of the bevel joints 1, 2 formed by butting pipe members or plate members, includes: a primary layer back-side welding process 53 for forming a back-side bead 15 on the back surface side of the bevel bottom part; a first build-up welding process 41 for performing build-up welding up to a specific build-up bead height Hb in a first heat input quantity range Q1 after the primary layer back-side welding process 53; a second build-up welding process 42 for performing build-up welding from the remained bevel portion to a finish layer 39 (P=N) at the bevel upper part in a second heat input quantity range Q2 after the first build-up welding process 41. The first heat input quantity range Q1 used for the first build-up welding process 41 is 4-12 kJ/cm, and the second heat input quantity range Q2 used for the second build-up welding process 42 is 1-6 kJ/cm. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：通过将斜边接头的一侧焊接产生的残余应力变为压缩应力来防止应力腐蚀开裂等。解决方案：从由对接管构件或板构件形成的斜面接头1,2的底部到顶部执行一个侧面焊接的窄斜面焊接包括：主层背面焊接在斜面底部的背面侧形成背面侧边缘15的工序53; 第一堆积焊接工艺41，用于在主层背面焊接工艺53之后的第一热输入量范围Q1中执行累积焊接直到特定堆积焊道高度Hb; 第二累积焊接工艺42，用于在第一次堆积焊接过程之后的第二加热输入量范围Q2中，在斜坡上部处从剩余的斜面部分到完成层39（P = N）进行积聚焊接用于第一堆积焊接工艺41的第一热输入量范围Q1为4-12kJ / cm，用于第二堆积焊接工艺42的第二热输入量范围Q2为1-6kJ /厘米。版权所有（C）2007，JPO＆INPIT

8. 发明专利

JP2004211187A Method and apparatus for heat treatment of piping system 有权
公开(公告)号：JP2004211187A
公开(公告)日：2004-07-29
申请号：JP2003001696
申请日：2003-01-08
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： YANAGIDA NOBUYOSHI , SAITO NOBORU , SAITO HIDEYO , HAYASHI SHOJI , ENOMOTO KUNIO
IPC分类号： C21D1/42 , C21D9/08 , C21D9/50
CPC分类号： Y02P10/253
摘要： PROBLEM TO BE SOLVED: To provide a heat treatment method of a piping system whereby the residual stress in a welded metal zone and a heat affected zone on the inside surface is converted into compressive stress; and a heat treatment apparatus used therefor. SOLUTION: After a piping system is constructed, a heating coil is wound at least twice around the outer surface of a pipeline 1a, and a cooling fluid is caused to flow through the pipeline with a cooling water circulation device 19. A high-frequency heating device equipped with the heating coil, an electric source 17, and a transformer 16 causes the temperature difference between the inner surface and outer surface of the pipeline. Based on the temperature of a heated zone detected by a thermocouple 22, a control unit 18 controls the temperature distributions in the peripheral and axial directions of the pipeline. COPYRIGHT: (C)2004,JPO&NCIPI

9. 发明专利

JP2001141629A PREVENTIVE CONSERVATION METHOD AND DEVICE OF AUSTENITE- FAMILY STAINLESS STEEL WELDING SITE 失效
公开(公告)号：JP2001141629A
公开(公告)日：2001-05-25
申请号：JP32502999
申请日：1999-11-16
申请人： HITACHI LTD
发明人： YANAGIDA NOBUYOSHI
IPC分类号： G01N3/38
摘要： PROBLEM TO BE SOLVED: To provide a preventive conservation method and device that has a simple configuration, and reduces tensile residual stress and sensitization by utilizing thermal shock strain. SOLUTION: For the surface region of a welding part in a tensile stress state, the surface region being heated-up by a high-frequency heating coil 1 is quickly cooled by jetting a coolant from a nozzle 11, thus generating transitional temperature difference between the surface region and a part directly under a surface layer, applying tensile thermal shock stress to the surface layer for generating tensile strain, and at the same time for partially allowing the surface layer to yield. Then, cooling is stopped for heat-up for allowing the thermal shock stress to disappear. The surface of the welding part is improved to a state where deformation is elastically returned for relieving tensile stress or a compression residual stress state from a partial yield state. Heating and cooling speed is adjusted, thus reducing the sensitization of welding thermal influence part.

10. 发明专利

JP2006152410A Method and device for heat treatment of tube 有权
标题翻译：管加热处理方法及装置
公开(公告)号：JP2006152410A
公开(公告)日：2006-06-15
申请号：JP2004347967
申请日：2004-12-01
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： SAITO NOBORU , YANAGIDA NOBUYOSHI , HAYASHI SHOJI , SUGANO SATOSHI , ENOMOTO KUNIO
IPC分类号： C21D9/08 , B23K31/00 , B23K101/06 , C21D1/42 , C21D9/50
CPC分类号： C21D9/50 , C21D1/42 , C21D9/08 , Y02P10/253
摘要： PROBLEM TO BE SOLVED: To provide a method and a device for heat treatment of a tube in which the residual stresses in a weld metal part and a weld heat-affected zone of an inner surface of an existing tube are converted into the compressive stresses, and the compressive stresses are generated in the inner surface of the existing pipe.
SOLUTION: In the method for heat treatment of the pipes to constitute a piping system, coolant is allowed to stay inside the pipe, and the outer surface of the pipe is heated at an arbitrary position. After generating the temperature distribution with less temperature difference in a tubular wall surface of the pipe at the heated portion, coolant is allowed to flow. By converting the residual stresses in the weld metal part and the weld heat-affected zone of the inner surface of the pipe into the compressive stresses, stress corrosion cracks generated from the weld metal part and the weld heat-affected zone can be suppressed.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种管的热处理方法和装置，其中现有管的内表面的焊接金属部分和焊接热影响区中的残余应力被转换成在现有管的内表面产生压应力和压应力。解决方案：在用于管道的热处理以构成管道系统的方法中，允许冷却剂保持在管内，并且管的外表面被加热到任意位置。在加热部分的管道的管状壁表面中产生温度差较小的温度分布之后，允许冷却剂流动。通过将焊接金属部件的残余应力和管内表面的焊接热影响区域转化为压缩应力，可以抑制从焊接金属部件和焊接热影响区域产生的应力腐蚀裂纹。版权所有（C）2006，JPO＆NCIPI

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