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1. 发明专利

JP2013043197A Underwater welding equipment and method 有权
标题翻译：水下焊接设备及方法
公开(公告)号：JP2013043197A
公开(公告)日：2013-03-04
申请号：JP2011182238
申请日：2011-08-24
申请人： Toshiba Corp , 株式会社東芝
发明人： ISHIGAKI TATSUYA , UEHARA TAKUYA , HAMAMOTO YOSHIO , YAMAGUCHI OSAMU , MAEHARA TAKESHI , KATO HIROMI
IPC分类号： B23K26/12 , B23K26/16 , B23K26/20
CPC分类号： B23K26/123 , B23K26/1224
摘要： PROBLEM TO BE SOLVED: To provide underwater welding equipment with which intrusion of water from the outside of a shielding cover is prevented and water including metallic dust intruding in the shield cover and shield gas are discharged surely and easily.SOLUTION: The underwater welding equipment includes: an underwater welding head 11 which is arranged underwater and in which a nozzle part 16 for emitting a laser beam is provided at the tip thereof; a shielding cover 18 which is provided in the periphery of the nozzle part 16 and composed of an elastic member, and with which a space where the water is removed by shielding gas is formed on the side of the tip of the underwater welding head 11; and an expansion/reduction valve 21 on which a discharging hole for discharging water including metallic dust and the shield gas from the inside of the shielding cover 18 is formed, the size of the discharging hole is expanded by pressure rising inside the shielding cover 18 and the size of the discharging hole is reduced by the pressure drop thereof.
摘要翻译：要解决的问题：提供防止从屏蔽罩外部进入的水的水下焊接设备，并且容易地排出包括侵入屏蔽罩和屏蔽气体中的金属粉尘的水。解决方案：水下焊接设备包括：水下焊接头11，其设置在水下，在其顶端设置有用于发射激光束的喷嘴部16; 在水中焊接头11的前端侧形成有设置在喷嘴部16的周围并由弹性部件构成的屏蔽罩18，并且通过保护气体在其上除去水的空间; 以及膨胀减压阀21，其上形成有用于从屏蔽盖18的内部排出包括金属粉尘和保护气体的水的排出孔，通过在屏蔽盖18内部的压力升高使排出孔的尺寸膨胀，排出孔的尺寸减小其压降。版权所有（C）2013，JPO＆INPIT

2. 发明专利

JP2011016153A Underwater welding equipment 审中-公开
标题翻译：水下焊接设备
公开(公告)号：JP2011016153A
公开(公告)日：2011-01-27
申请号：JP2009162735
申请日：2009-07-09
申请人： Toshiba Corp , 株式会社東芝
发明人： TAMURA MASAKI , KONO WATARU , SHIIHARA KATSUNORI , TANAKA YOSHIMI , UEHARA TAKUYA , YODA MASAKI , HAMAMOTO YOSHIO , OKADA SATOSHI , KATO HIROMI , MAEHARA TAKESHI , TAKEUCHI MASAHIRO
IPC分类号： B23K26/06 , B23K26/12 , B23K26/14 , B23K26/20
摘要： PROBLEM TO BE SOLVED: To provide underwater welding equipment which suppresses a degradation in a shielding cover and stably performs welding work in water over a long term as a result.SOLUTION: The underwater welding equipment includes an underwater welding head which is connected with a laser beam oscillator and shielding gas supply source and has a welding wire supplying system and an optical system for condensing a laser beam, and welds parts to be welded of a structure in water by arranging the underwater welding head in water. In the underwater welding equipment, a reflected beam absorber for absorbing the reflected beam of the laser beam is provided in the periphery of a nozzle part which is situated on the side of the distal end of the underwater welding head and emits the laser beam, and the shielding cover which is composed of an elastic member and forms a gas-space on the side of the distal end of the underwater welding head is provided in the periphery of the reflected beam absorber.
摘要翻译：要解决的问题：提供一种能够抑制屏蔽罩劣化的水下焊接设备，从而长期稳定地进行水中的焊接作业。解决方案：水下焊接设备包括与激光连接的水下焊接头射束振荡器和保护气体供应源，并具有焊丝供给系统和用于冷凝激光束的光学系统，并且通过将水下焊接头布置在水中来将待结构的待焊接部件焊接在水中。在水下焊接设备中，在位于水下焊接头的远端一侧的喷嘴部的周围设置用于吸收激光束的反射光束的反射光束吸收体，发射激光束，在反射光束吸收体的周边设有由弹性部件构成并在水中焊接头的前端侧形成气体空间的屏蔽盖。

3. 发明专利

JPH06123794A DEVICE AND METHOD FOR REMOTE INCORE WORK 失效
公开(公告)号：JPH06123794A
公开(公告)日：1994-05-06
申请号：JP27307292
申请日：1992-10-12
申请人： TOSHIBA CORP
发明人： YUGUCHI YASUHIRO , HAMAMOTO YOSHIO
IPC分类号： G21C17/003 , G21C19/02
摘要： PURPOSE:To remotely perform integrity check, and inspection, repair of the portion to be repaired, and fixing work inside a core shroud. CONSTITUTION:In a core shroud 16 placed in a reactor pressure vessel, upper columns 20 and lower columns 21 are stood from the upper grid plate 6 through a core column plate 7 to a control rod drive device housing 13. To the upper column 20, an arm 22 freely extensible in the radial direction is provided. To this arm 22, an axial guide arm 23 equiped with a unit 25 for checking and repairing the inside of the core shroud 16 is fixed. Each column 20 and 21 are hung up inside the core shroud 16 with a hanging-in crane 2. The unit 25 for repairing work is connected through cables 27 to the control panel 29.

4. 发明专利

JP2015045534A 原子炉圧力容器底部の作業用足場审中-公开
标题翻译：在核反应堆压力容器底部进行工作SCAFFOLDING
公开(公告)号：JP2015045534A
公开(公告)日：2015-03-12
申请号：JP2013175970
申请日：2013-08-27
申请人：株式会社東芝 , Toshiba Corp
发明人： NAKAZATO HIROSHI , SATO TANOSHI , HAMAMOTO YOSHIO , SUDO KAZUO
IPC分类号： G21C19/02
摘要：【課題】原子炉圧力容器底部に設置される従来型の作業用足場で行っていた作業に加えて、ポータブルレーザピーニング、超音波ショットピーニングなどの炉内予防保全処理の施工作業をも同時進行的に並行して行えるようにする。【解決手段】原子炉圧力容器の底部に設置されている制御棒駆動ハウジング16またはスタブチューブの任意の1本の上端部に着脱可能であり、制御棒駆動ハウジング16またはスタブチューブ1本に対して一つを独立に拘束可能な単体足場10を作業用足場の最小単位として、単体足場を複数組み合わせて作業用足場を構築する。【選択図】図1
摘要翻译：要解决的问题：为了同时并行进行便携式激光喷丸或超声波喷丸处理的桩内预防性维护处理的施工工作，安装在核底部的常规工作脚手架中进行的工作反应堆压力容器。解决方案：工作脚手架由整体支架10的多个组合构成，每个构架10可拆卸地附接到任一个控制杆驱动壳体16或短管的上端，并且其中的每一个可以被独立地约束每个控制杆驱动器壳体16或一个短管，每个工作支架10是最小单元。

5. 发明专利

JP2005227218A In-furnace maintenance/repair apparatus 有权
标题翻译：炉内维护/修理设备
公开(公告)号：JP2005227218A
公开(公告)日：2005-08-25
申请号：JP2004038357
申请日：2004-02-16
申请人： Toshiba Corp , 株式会社東芝
发明人： SATO KATSUHIKO , MUKAI SHIGEHIKO , YODA MASAKI , HAMAMOTO YOSHIO , YAMAMOTO TETSUO
IPC分类号： G21C5/00 , G21C19/02 , G21D1/00
CPC分类号： Y02E30/40
摘要： PROBLEM TO BE SOLVED: To execute maintenance/repair work over a wide range in a bottom section of a reactor core by a single unit, simplify a main body of the unit, reduce costs, reduce the number of times of setting up the main body of the unit and raise the efficiency of work required for positioning. SOLUTION: The in-furnace maintenance/repair apparatus is installed in the core of a pressure vessel of a boiling water reactor to execute improvement of residual stresses in a structure in the reactor core, modification of the surface, welding repair and the like by projecting a laser beam to a structure in the bottom section in the reactor core. The apparatus comprises a turning mechanism 101 accommodated within a case, a lifting mechanism 108 turnably connected with the turning mechanism, a laser oscillator 118 accommodated in a hydraulic pressure-proof vessel guided by a support supporting the lifting mechanism and capable of bing turned by the turning mechanism and lifted/lowered by the lifting mechanism, a light guide tube 121 connected with a laser output port of the hydraulic pressure-proof vessel to aerially transmitting the laser beam emitted from the laser oscillator 118 toward the structure in the bottom section of the reactor core and an arm mechanism 116 having a laser projecting head secured on the tip end of the light guide tube 121 to project the laser beam transmitted through the light guide tube toward the structure in the reactor core. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：通过单个单元在反应堆堆芯的底部进行大范围的维护/维修工作，简化机组主体，降低成本，减少设置次数提高单位的主体，提高定位工作的效率。解决方案：炉内维护/修理设备安装在沸水反应堆的压力容器的核心中，以改善反应堆堆芯结构中的残余应力，表面改性，焊接修补和通过将激光束投射到反应堆芯的底部部分中的结构。该装置包括容纳在壳体内的转动机构101，与转动机构可转动地连接的提升机构108，容纳在由支撑提升机构的支撑件引导的液压耐压容器中的激光振荡器118，并且能够通过转动机构，由提升机构升降，配置有与液压耐压容器的激光输出口连接的导光管121，将从激光振荡器118射出的激光束朝向底部的结构反应堆芯和臂机构116，其具有固定在导光管121的前端的激光投射头，以将通过导光管透射的激光束朝向反应堆芯中的结构投影。版权所有（C）2005，JPO＆NCIPI

6. 发明专利

JP2001255395A MAINTENANCE/REPAIR DEVICE OF REACTOR INTERNAL STRUCTURE 失效
公开(公告)号：JP2001255395A
公开(公告)日：2001-09-21
申请号：JP2000067353
申请日：2000-03-10
申请人： TOSHIBA CORP , ITEL CORP
发明人： HAMAMOTO YOSHIO , KIMURA MOTOHIKO , SATO KATSUHIKO , SHIMAMURA MITSUAKI , MASUDA YOICHI , SAKURAI YOSHISHIGE
IPC分类号： G21C19/02 , B23K26/00 , B23K26/082 , G21D1/00 , B23K26/08
摘要： PROBLEM TO BE SOLVED: To improve residual stress, reform surface and repair welding by irradiating the execution part of reactor internals with laser light with an easily controllable irradiation angle. SOLUTION: This device has a remote work device 50 turning, moving up and down and driving back and forth an irradiation head 51 by remote control and comprises a left and right swing member attached at the tip end of a back and forth driving means 64 driving back and forth the irradiation head 51 of the remote work device and swinging the irradiation head 51 around the vertical axis and an up and down swing member attached to the left and right swing member and swinging the irradiation head 51 around the horizontal axis.

7. 发明专利

JPH11311692A REMOTE IN-CORE WORK DEVICE AND METHOD THEREFOR 失效
公开(公告)号：JPH11311692A
公开(公告)日：1999-11-09
申请号：JP11917798
申请日：1998-04-28
申请人： TOSHIBA CORP
发明人： YAMAMOTO TETSUO , HAMAMOTO YOSHIO
IPC分类号： G21C15/25 , G21C17/003 , G21C19/02
摘要： PROBLEM TO BE SOLVED: To shorten the time required for various work such as inspection, repair and preventive maintenance of incore structure placed in annulus part by reducing the frequency of putting in and out of work tools. SOLUTION: Provided are a reverse T-shape arc rail 51, capable of inserting below the guide rod bracket and core spray line vertical pipe and a rail running mechanism 52, an underwater connector 57 detachably mounted on the rail running mechanism 52 through remote control and contacting and removing various cables and tubes by contacting the removing connector upper part 57b against with respect to the connector lower part 57a, an inlet member 54 capable of inserting in the narrow gap between jet pumps placed in the annulus part and moving in the circumferential direction of a shroud 2 and work tools attached to the inlet member 54.

8. 发明专利

JPH09211182A DEVICE AND METHOD FOR REMOTE-CONTROL WORK IN REACTOR 失效
公开(公告)号：JPH09211182A
公开(公告)日：1997-08-15
申请号：JP1694596
申请日：1996-02-02
申请人： TOSHIBA CORP
发明人： YUGUCHI YASUHIRO , KIMURA MOTOHIKO , SATO KATSUHIKO , IWASA HIDESHI , HAMAMOTO YOSHIO
IPC分类号： G21C19/02
摘要： PROBLEM TO BE SOLVED: To efficiently carry out by remote control the inspection, repair and preventive maintenance for a shroud and in-vessel structures, such as a jet pump, placed in an annular part between a reactor pressure vessel and the shroud. SOLUTION: A remote-control work device uses as a guide an upper flange face of a shroud 2 placed in a reactor pressure vessel 1 and has a working cart 11 running in the upper part of the shroud 2. The cart 11 is equipped with a position adjusting arm 13, where working tools 14 are installed. Moreover, the cart 11 is equipped with an arm mounting/removing part 17 which classifies and installs a dividing mechanism part of the position adjusting arm 13. A working tool mounting/removing part is provided to separated the working tools 14 from the position adjusting arm 13 and installed the former on the latter. Additionally, a controller is provided to control the working cart 11, the position adjusting arm 13, the arm mounting/removing part 17 and the working tool mounting/removing part. The working cart 11 has a freely rotatable prop 76 fitted into a central grid of an upper grid plate 7.

9. 发明专利

JPH09159788A DEVICE AND METHOD FOR REMOTE CONTROLLED WORK IN NUCLEAR REACTOR 失效
公开(公告)号：JPH09159788A
公开(公告)日：1997-06-20
申请号：JP32143895
申请日：1995-12-11
申请人： TOSHIBA CORP
发明人： YUGUCHI YASUHIRO , OKANO HIDEHARU , KIMURA MOTOHIKO , SATO KATSUHIKO , TAKABAYASHI JUNICHI , HAMAMOTO YOSHIO
IPC分类号： G01N29/26 , G21C19/02
摘要： PROBLEM TO BE SOLVED: To conduct the inspection, repairing and preventive maintenance work on in pile structures placed in a reactor pressure vessel by remote control. SOLUTION: When inspection and repair work are carried out by remote control on in-pile structures such as a jet pump 3 in an annulus 2 made between a reactor pressure vessel 1 and a shroud 4, this device comprises a cart 11 which uses an upper flange 6 of the shroud 4 as a guide directly or indirectly by laying a rail and a rotary shaft 19 to run circumferentially on the shroud 4, an upper-body drive mechanism 13 in a cart-mounted part, a multistage slide mechanism 14 to elevate its tip to the annulus 2, an approaching mechanism 15 to bring a scanning mechanism 24 close to the shroud 4, and a rotary shaft 19 for the approaching mechanism 15. A frame 46 is connected to the tip of the rotary shaft 19 through a wire and is equipped with a working tool 23. Absorbing pads 47 are installed on the frame 46, which is fixed on the shroud 4.

10. 发明专利

JPH0763884A IN-REACTOR REMOTE WORK DEVICE 失效
公开(公告)号：JPH0763884A
公开(公告)日：1995-03-10
申请号：JP21668193
申请日：1993-08-31
申请人： TOSHIBA CORP
发明人： ITO ARATA , YUGUCHI YASUHIRO , HAMAMOTO YOSHIO
IPC分类号： G21C17/003 , G21C19/02
摘要： PURPOSE:To conduct such work as inspection repair and the like of components in reactor with remote operation easily, surely and efficiently. CONSTITUTION:A remote work device in reactor conducts inspection and repair of in-core components placed on reactor wall 1a inner surface or on the location in a reactor l. Provided are a component treatment device 2 which is placed above the reactor 1 and performs transport: in and out each work component, a guiderail 6 hung down in the work position in the reactor with the component treatment device 2, guiderail fixing means 7, 8 to fix and hold the guiderail 6 detachably inside the reactor 1, a work aid arm 9 which holds equipments visually catching inside the reactor 1 or jig mechanically aiding and is provided movablly along with the guiderail 6 and capable of stopping at an arbitrary elevation position at any elevation position in the core, and a work machine 12 which is aided by the work aid arm 9 via a jig and conduct repair fabrication of in-core structure by the remote control after hung down in the reactor.

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