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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

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。

4. 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

5. 发明专利

JP2008268151A Upper cover construction device, method of assembling upper cover construction device and behavior monitoring method of upper cover construction device 审中-公开
标题翻译：上盖结构装置，组装上盖结构装置的方法和上盖结构装置的行为监测方法
公开(公告)号：JP2008268151A
公开(公告)日：2008-11-06
申请号：JP2007115174
申请日：2007-04-25
申请人： Toshiba Corp , 株式会社東芝
发明人： OKADA SATOSHI , HAMAMOTO YOSHIO , YODA MASAKI , TOGASAWA YUTAKA , SATO KATSUHIKO , SAEKI RIYOUICHI
IPC分类号： G21C19/02 , G21C13/00
CPC分类号： Y02E30/40
摘要： PROBLEM TO BE SOLVED: To provide a construction device, a method of assembling the construction device and a behavior monitoring method of the construction device, for further safely, further quickly and further highly accurately performing inspection, construction and repairing work, when performing tube stand construction work by using a laser and water in high radiation air.
SOLUTION: The device has a turning mechanism 22 freely rotating to a tube stand 27 arranged in an upper cover 26, a horizontal extension mechanism 25 freely moving along this turning mechanism 22, an arm rotating mechanism 28 incorporated into this horizontal extension mechanism 25, settable so as to become concentric with the center of the tube stand 27 and freely rotating in the peripheral direction of the turning mechanism 22, a multi-articulated arm mechanism 29 mounted on this arm rotating mechanism 28 and moving so as to freely vertically move, freely oscillate/rotate and freely advance/retreat in the longitudinal direction to the tube stand 27, a construction head 33 arranged on the head part side of this multi-articulated arm mechanism 29 and jetting a laser beam and water to a construction object part, and a control command part 34 for independently controlling driving of these respective mechanisms.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了进一步安全地进一步安全地进行施工装置的组装和施工装置的行为监测方法，进一步快速进一步高精度地执行检查，施工和修理工作，当在高辐射空气中使用激光和水进行管架施工。解决方案：该装置具有自由旋转到布置在上盖26中的管架27的旋转机构22，沿着该转动机构22自由移动的水平延伸机构25，结合到该水平延伸机构中的臂旋转机构28 25，可以与管支架27的中心同心并且沿着转动机构22的周向方向自由旋转;多关节臂机构29，其安装在该臂旋转机构28上并自由地垂直地移动移动，自由地摆动/旋转并且沿着纵向方向自由地前进/后退到管架27;布置在该多关节臂机构29的头部侧上的施工头33，并将激光束和水喷射到施工对象部分和用于独立地控制这些各个机构的驱动的控制命令部分34。版权所有（C）2009，JPO＆INPIT

6. 发明专利

JP2005313191A Laser beam machining apparatus and laser beam machining method 有权
标题翻译：激光加工设备和激光束加工方法
公开(公告)号：JP2005313191A
公开(公告)日：2005-11-10
申请号：JP2004132898
申请日：2004-04-28
申请人： Toshiba Corp , 株式会社東芝
发明人： YODA MASAKI , MUKAI SHIGEHIKO , SANO YUJI , HAMAMOTO YOSHIO , YAMAMOTO TETSUO
IPC分类号： G21C19/02 , B23K26/00 , B23K26/06 , B23K26/08 , B23K26/14 , B23K101/06
摘要： PROBLEM TO BE SOLVED: To provide a laser beam machining apparatus and a laser beam machining method capable of machining an inner face of a tube even when the inside diameter of the tube is small. SOLUTION: The laser beam machining apparatus has optical fibers 2 which lead laser beams La from a pulse laser beam source and emit the beams from a laser beam emission unit 2a, and a reflecting mirror 5 which is arranged at the positional relationship facing the laser beam emission unit 2a with a predetermined distance therefrom, and has an aspheric reflecting surface 5a to reflect and condense the emitted laser beams and irradiate the beams on a point of irradiation. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供即使当管的内径小时也能够加工管的内表面的激光束加工装置和激光束加工方法。解决方案：激光束加工装置具有光纤2，其从激光束源引出激光束La并从激光束发射单元2a发射光束;反射镜5以位置关系面对具有预定距离的激光束发射单元2a，并且具有非球面反射表面5a，以在发射点反射和冷凝发射的激光束并照射光束。版权所有（C）2006，JPO＆NCIPI

7. 发明专利

JP2005300182A Laser beam machining system 审中-公开
标题翻译：激光束加工系统
公开(公告)号：JP2005300182A
公开(公告)日：2005-10-27
申请号：JP2004112251
申请日：2004-04-06
申请人： Toshiba Corp , 株式会社東芝
发明人： CHIHOSHI ATSUSHI , ONODERA TORU , MUKAI SHIGEHIKO , HAMAMOTO YOSHIO , SAEKI RIYOUICHI
IPC分类号： G01B17/00 , B23K26/04
摘要： PROBLEM TO BE SOLVED: To improve machining accuracy by performing the positional control of a laser irradiation head by correctly measuring the focus distance between the laser irradiation head of the laser beam machining system and the working surface of the work.
SOLUTION: The laser beam 4 from the laser oscillator 1 irradiates the working surface 3a of the work 3 from the laser irradiation head 5. The ultrasonic waves 10 generated when the laser beam 4 irradiates the work 3 is received by a plurality of ultrasonic wave detection means 8a, 8b. The focus distance Lf from the working surface 3a to the laser head 5 is determined from the detection signal from the ultrasonic wave detection means 8a, 8b and the irradiation timing of the laser beam 4, and the position control of the laser irradiation head 5 is performed so as to keep the focal distance between the working surface 3a and the laser irradiation head 5 constant based on the focus distance Lf.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：通过正确地测量激光束加工系统的激光照射头与工件的工作面之间的聚焦距离，通过执行激光照射头的位置控制来提高加工精度。解决方案：来自激光振荡器1的激光束4从激光照射头5照射工件3的工作表面3a。当激光束4照射工件3时产生的超声波10被多个超声波检测装置8a，8b。根据来自超声波检测装置8a，8b的检测信号和激光束4的照射定时，确定从工作面3a到激光头5的聚焦距离Lf，激光照射头5的位置控制为执行以便基于聚焦距离Lf使工作表面3a和激光照射头5之间的焦距保持恒定。版权所有（C）2006，JPO＆NCIPI

8. 发明专利

JP2005279876A Engraving electric discharge machining device and method for measuring thickness of electrode of engraving electric discharge machining device 审中-公开
标题翻译：电动放电加工装置的雕刻和用于测量电动放电加工装置的电极厚度的方法
公开(公告)号：JP2005279876A
公开(公告)日：2005-10-13
申请号：JP2004099544
申请日：2004-03-30
申请人： Toshiba Corp , 株式会社東芝
发明人： CHIHOSHI ATSUSHI , HAMAMOTO YOSHIO , KASAI SHIGERU , TSUJI KOICHI , SATO KATSUHIKO , YAMAMOTO TETSUO
IPC分类号： B23H7/26
摘要： PROBLEM TO BE SOLVED: To perform engraving electric discharge machining without performing a temporary removing work of the electric discharge machining device by providing an electrode thickness measuring means for measuring thickness of an electrode and calculating and determining an electric discharge machining depth from a thickness measured value of the electrode and electrode feed amount of the electric discharge machining device.
SOLUTION: This device is provided with the electrode thickness measuring means constituted of a detection head for measuring a distance mounted at a proper position on a back face part side of the electrode and a signal processing device for measuring thickness of the electrode by inputting a transmitted signal from the detection head for measuring the distance and a received signal at a point of time when the transmitted signal is returned by being reflected at the electrode.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：通过提供一种用于测量电极厚度的电极厚度测量装置，并且从电极的厚度计算和确定放电加工深度来进行雕刻放电加工，而不进行放电加工装置的临时去除工作电极的厚度测量值和放电加工装置的电极进给量。解决方案：该装置设置有电极厚度测量装置，该电极厚度测量装置由用于测量安装在电极的背面部分侧上的适当位置处的距离的检测头和用于测量电极的厚度的信号处理装置输入来自检测头的测量距离的发送信号，以及通过在电极处反射发送信号返回的时刻的接收信号。版权所有（C）2006，JPO＆NCIPI

9. 发明专利

JP2004205265A Method and its system for repairing reactor core internal structure 审中-公开
公开(公告)号：JP2004205265A
公开(公告)日：2004-07-22
申请号：JP2002372266
申请日：2002-12-24
申请人： Toshiba Corp , 株式会社東芝
发明人： SUDO KAZUO , HAMAMOTO YOSHIO , YASUDA TOSHIHIRO , HATAKE HARUHIKO , WATANABE YUSUKE , MIYAZAKI SATORU , HIDAKA YUKIAKI , KOJIMA MASAYOSHI , KASAI SHIGERU
IPC分类号： G21C19/02
摘要： PROBLEM TO BE SOLVED: To provide a method and its system for repairing a reactor core internal structure with a defect already developed on its surface by removing the defective portion in water during a reactor shutdown.
SOLUTION: This method for repairing the reactor core internal structure by removing the defect developed on the surface of the reactor core internal structure 12, comprises; an allocation process for allocating a controller including a power supply 34 above a nuclear reactor pressure vessel 14; a positioning process for filling the pressure vessel with water and opening an upper head of the pressure vessel when stopping the operation of the reactor, then suspendingly lowering an electric discharge device 10 including an electric discharge head 26 from above the pressure vessel to a position near the defect, and positioning the discharge head by the controller; and a defect removal process for supplying electric power from the power supply to the discharge head to remove at least a part of the defect by digging it by means of electric discharge.
COPYRIGHT: (C)2004,JPO&NCIPI

10. 发明专利

JP2009216457A Inspection/work execution device for steam generator nozzle 审中-公开
标题翻译：用于蒸汽发生器喷嘴的检查/工作执行装置
公开(公告)号：JP2009216457A
公开(公告)日：2009-09-24
申请号：JP2008058275
申请日：2008-03-07
申请人： Toshiba Corp , 株式会社東芝
发明人： MIYASAKA HIROYUKI , SAEKI AYAICHI , YODA MASAKI , KATO HIROMI , HAMAMOTO YOSHIO
IPC分类号： G21C17/003 , F22B37/02
摘要： PROBLEM TO BE SOLVED: To provide a simply structured and easy-to-handle inspection/work execution device which is designed to easily and positively provide access for work execution and the like such as preventive maintenance or modification of the inner surface of a steam generator nozzle without the necessity of workers entering the steam generator upon works such as inspection, preventive maintenance or modification of a weld area of the nozzle with a larger diameter through a manhole with a smaller diameter of the steam generator.
SOLUTION: The inspection/work execution device includes: a fixed-shaped work execution head 2 supported by a head supporting arm 3; a linear first arm 4 disposed obliquely toward the inside of a channel head 102 from a manhole 103; a second arm 5 linearly extending from the first arm at an obtuse angle along the bottom surface of the channel head to the back of the steam generator nozzle; and a head supporting third arm 6 formed by a third arm extending from the second arm at an obtuse angle to the inside of the steam generator nozzle. The inspection/work execution device includes an integrated structure of the first, second and third arms extending from the manhole to the back of the steam generator nozzle 104 in a substantially trapezoidal shape, and is inserted into and removed from the channel head 102 in a certain fixed form.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供简单结构化且易于处理的检查/工作执行装置，其被设计为容易且积极地提供工作执行等的访问，诸如预防性维护或修改内表面蒸汽发生器喷嘴，而不需要工人在通过较小直径的蒸汽发生器的人孔进行检查，预防性维护或改变具有较大直径的喷嘴的焊接区域等工作时进入蒸汽发生器。检查/作业执行装置包括：由头部支撑臂3支撑的固定工作执行头2; 从管孔103倾斜地朝向通道头102的内侧设置的线性第一臂4; 第二臂5从第一臂沿通道头的底表面以钝角线直线地延伸到蒸汽发生器喷嘴的背面; 以及由从第二臂以钝角延伸到蒸汽发生器喷嘴的内部的第三臂形成的头部支撑第三臂6。检查/工作执行装置包括第一，第二和第三臂的整体结构，其以大致梯形的形状从蒸汽发生器喷嘴104的人孔延伸到后部，并且以通道头102的形式插入和移出某些固定形式。版权所有（C）2009，JPO＆INPIT

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