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1. 发明授权

US4507260A Rail apparatus around reactor pressure vessel 失效
标题翻译：围绕反应堆压力容器的轨道装置
公开(公告)号：US4507260A
公开(公告)日：1985-03-26
申请号：US366213
申请日：1982-04-07
申请人： Hirotsugu Fujimoto , Tatsukuma Hosono , Hiroshi Kimura , Sadao Shibuya , Akisuke Naruse
发明人： Hirotsugu Fujimoto , Tatsukuma Hosono , Hiroshi Kimura , Sadao Shibuya , Akisuke Naruse
IPC分类号： G21C17/003 , G01N29/04 , G01N29/22 , G21C17/007 , G21C17/00
CPC分类号： G21C17/007
摘要： A rail apparatus positioned around the surface of a reactor pressure vessel surfaces (1) for carrying equipment such as a flaw detector to permit the equipment to move along the surface of a reactor pressure vessel in the vertical and circumferential directions. The rail apparatus has a plurality of vertical rails (81) and at least one circumferential rail (82) connected to the vertical rails through turn tables (83) at respective points of intersection. Each vertical rail (81) is supported by a supporting member wall fixed at its one end to a gamma-ray shielding wall (2) surrounding the reactor pressure vessel. The vertical and circumferential rails as a unit are retained by the gamma-ray shielding member (84) through oscillation prevention means (86).
摘要翻译：围绕反应堆压力容器表面（1）的表面定位的轨道装置，用于承载诸如探伤仪的设备，以允许设备沿着反应堆压力容器的表面在垂直和圆周方向上移动。轨道装置具有多个垂直轨道（81）和至少一个周向轨道（82），它们在相应的交点处通过转台（83）连接到垂直轨道。每个垂直导轨（81）由其一端固定在围绕反应堆压力容器的伽马射线屏蔽壁（2）的支撑构件壁支撑。作为单元的垂直和圆周轨道由伽马射线屏蔽构件（84）通过振动防止装置（86）保持。

2. 发明授权

US4518560A Rail apparatus around nuclear reactor pressure vessel and method of installing the same 失效
标题翻译：围绕核反应堆压力容器的轨道装置及其安装方法
公开(公告)号：US4518560A
公开(公告)日：1985-05-21
申请号：US435349
申请日：1982-10-20
申请人： Kazuo Takaku , Akisuke Naruse , Hirotsugu Fujimoto , Hiroshi Kimura
发明人： Kazuo Takaku , Akisuke Naruse , Hirotsugu Fujimoto , Hiroshi Kimura
IPC分类号： G01N29/26 , G01N29/04 , G21C17/00 , G21C17/003 , G21C17/007
CPC分类号： G21C17/007
摘要： A rail apparatus for running an automatic ultrasonic flaw detector around a reactor pressure vessel for detecting any flaw in the weld beads on the reactor pressure vessel. At least two circumferential rails and vertical rails are connected through turn tables at their crossing points to form a rail unit. The rail unit has vertical rails extending upward from the uppermost circumferential rail. The vertical rails are secured to a gamma shield, so that the rail unit as a whole is suspended from the gamma shield by means of these vertical rails. The rail unit is provided with swing prevention devices for preventing swing thereof. In installation of the rail apparatus, the rail unit is temporarily mounted on the reactor pressure vessel before mounting the latter in a containment vessel. Then, after accurately placing the reactor pressure vessel together with the rail unit in a right place within the containment vessel, the rail unit is supported suitably by the gamma shield.
摘要翻译：一种轨道装置，用于在反应堆压力容器周围运行自动超声波探伤仪，用于检测反应堆压力容器上焊缝中的任何缺陷。至少两个圆周轨道和垂直轨道在其交叉点处通过转台连接以形成轨道单元。轨道单元具有从最上周向轨道向上延伸的竖直轨道。垂直导轨固定在伽马屏蔽上，使轨道单元作为一个整体通过这些垂直导轨悬挂在伽马屏蔽上。轨道单元设置有防止摆动的摆动防止装置。在安装轨道装置时，将轨道装置安装在反应堆压力容器上，然后将其安装在反应堆压力容器中，然后将其安装在安全壳中。然后，在将反应堆压力容器与轨道单元一起准确地放置在安全壳内的正确位置之后，轨道单元由γ屏蔽适当地支撑。

3. 发明授权

US4383448A Semi-automatic scanner for ultrasonic flaw detection 失效
标题翻译：半自动扫描仪用于超声波探伤
公开(公告)号：US4383448A
公开(公告)日：1983-05-17
申请号：US184376
申请日：1980-09-05
申请人： Hirotsugu Fujimoto , Tsutomu Hayashi , Tatsukuma Hosono
发明人： Hirotsugu Fujimoto , Tsutomu Hayashi , Tatsukuma Hosono
IPC分类号： G01N29/04 , G01N29/265
CPC分类号： G01N29/265 , G01N2291/02854
摘要： A semi-automatic scanner for ultrasonic flaw detection comprises a carriage travelling on a guide rail, a guide arm extending in a direction transverse to the travel direction of the carriage and supported by the carriage so as to pivot in a plane transverse to the travel direction of the carriage, a probe holder slidably supported by the arm, and a probe mounted on said probe holder so as to pivot about two axes transverse to each other. One of the axes is generally in parallel to the travel direction of the carriage. The carriage is driven by a motor, and the probe is moved by manual or motor-driving operation in a direction transverse to the travel direction of the carriage while pressing the probe on a surface to be inspected, whereby the probe accurately follows the surface even if the surface is curved.
摘要翻译：一种用于超声波探伤的半自动扫描器，包括：一个在导轨上行进的滑架，一个导向臂，该导向臂沿横向于滑架行进方向的方向延伸并由滑架支撑，以便在横向于行进方向的平面中枢转托架可滑动地支撑的探针支架，以及安装在所述探针支架上以便绕彼此横向的两个轴线枢转的探针。其中一个轴线通常与滑架的行进方向平行。滑架由马达驱动，探针通过手动或马达驱动操作，在与待检测表面同时按压探头的同时沿横向于滑架行进方向的方向移动，由此探头精确地跟随表面，甚至如果表面是弯曲的。

4. 发明授权

US4731131A Method of subjecting welded structure to heat treatment 失效
标题翻译：对焊接结构进行热处理的方法
公开(公告)号：US4731131A
公开(公告)日：1988-03-15
申请号：US817669
申请日：1986-01-10
申请人： Shinji Sakata , Tasuku Shimizu , Kunio Enomoto , Hirotsugu Fujimoto
发明人： Shinji Sakata , Tasuku Shimizu , Kunio Enomoto , Hirotsugu Fujimoto
IPC分类号： C21D9/00 , C21D9/08 , C21D9/50
CPC分类号： C21D9/50 , C21D9/08 , C21D2221/10
摘要： A method of subjecting a welded structure to heat treatment in which a tensile yield is produced on an inner surface of the welded structure and a compressive yield is produced on an outer surface of the welded structure by the steps of placing a cooling medium in the interior of the welded structure and heating the outer surface of the welded structure to cause a difference in temperature to exist between the inner surface and other surface of the welded structure. The method further includes the step of locally heating a weld by means of a heating member to improve residual stress in a localized area of the weld and repeating the improvement of the residual stress regarding another localized area of the weld.
摘要翻译：在焊接结构的外表面上通过以下步骤制造焊接结构体对焊接结构的内表面产生拉伸屈服的热处理和压缩屈服的方法：将冷却介质放置在内部并加热焊接结构的外表面，导致焊接结构的内表面和其它表面之间存在温度差。该方法还包括通过加热构件对焊缝进行局部加热以改善焊缝局部区域中的残余应力的步骤，并重复关于焊缝另一局部区域的残余应力的改善。

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