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1. 发明专利

JP2010243268A Adhesion inspection method of sprayed film and device therefor 审中-公开
标题翻译：喷涂膜的粘合检查方法及其设备
公开(公告)号：JP2010243268A
公开(公告)日：2010-10-28
申请号：JP2009090631
申请日：2009-04-03
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： MATSUI YUJI , NISHIMIZU AKIRA , ADACHI YUJI
IPC分类号： G01N29/04
摘要： PROBLEM TO BE SOLVED: To provide an adhesion inspection technology of a sprayed film capable of reconciling highly sensitive detection of fine exfoliation of the sprayed film with sizing of an exfoliation area.
SOLUTION: An ultrasonic wave transmitted from a converging type ultrasonic transmission element 11 to the sprayed film 1 via a wedged material 13 is converted into a longitudinal wave beam and a transversal wave beam in the sprayed film 1, and the longitudinal wave beam is converged on an interface between the sprayed film 1 and a base metal 2 of a structure, and the transversal wave beam has poor convergence property at the interface, and propagates as a beam with wider spread than the longitudinal wave beam. When the transversal wave beam is reflected by an exfoliation part of the sprayed film, the beam is subjected to mode conversion to be converted into a transversal wave-longitudinal wave conversion reflection beam, and then received by an ultrasonic receiving element 12 together with the longitudinal wave beam which has been a longitudinal wave from the beginning. Reception information is separated by both beams from a propagation time difference, and each reflected wave reception intensity is determined individually, and highly sensitive detection of fine exfoliation is performed by the longitudinal wave beam having excellent convergence property, and sizing of the exfoliation area of the sprayed film 1 is performed by using a calibration curve 29 or a calibration curve 30 on reference to each reflected wave reception intensity.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供能够调节喷射膜的细微剥离的高灵敏度检测与剥离区域的尺寸的喷涂膜的粘合检查技术。解决方案：通过楔形材料13从会聚型超声波传输元件11传递到喷涂膜1的超声波在喷涂膜1中被转换为纵波束和横波束，并且纵波束会聚在喷涂膜1和结构的基底金属2之间的界面上，并且横波束在界面处具有差的收敛特性，并且作为具有比纵波束更宽的扩散的波束传播。当横波波束被喷涂膜的剥离部分反射时，将该光束进行模式转换以转换为横向波长波变换反射光束，然后由超声波接收元件12与纵向波长反射束一起接收波束从一开始就是纵波。接收信息由传播时间差由两个光束分离，并且每个反射波接收强度被单独确定，并且通过具有良好的会聚性的纵波波进行细微剥离的高灵敏度检测，并且对参照每个反射波接收强度，通过使用校正曲线29或校准曲线30来执行喷涂膜1。版权所有（C）2011，JPO＆INPIT

2. 发明专利

JP2009103015A Turbine moving blade 有权
标题翻译：涡轮机叶片
公开(公告)号：JP2009103015A
公开(公告)日：2009-05-14
申请号：JP2007274064
申请日：2007-10-22
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： SUZUKI YUTAKA , KOIKE MASAHIRO , KODAIRA KOJIRO , ODAKURA MITSURU , ADACHI YUJI , CHIBA HIROAKI , KONO NAOYUKI , KAMOSHIDA HITOSHI
IPC分类号： F01D5/30
摘要： PROBLEM TO BE SOLVED: To provide a turbine moving blade having a fork type blade insertion part suitable for ultrasonic flaw detection. SOLUTION: A smooth surface 15 for placing an ultrasonic sensor 16 is provided on a blade mounting surface 13 of the turbine moving blade 2 having the fork type blade insertion part 7. When a point on which the center of the ultrasonic sensor 16 is placed on the smooth surface 15 is set as an oscillation reference point P1, a distance from an outside end face 20 of an outer fork 10a to the end face in the rotor axial direction of a projecting part 12a is set as a projecting part width W1, the width in the rotor axial direction of the outer fork is set as a fork width W2, a distance from the oscillation reference point to the end face in the rotor axial direction of the projecting part is set as a sensor distance S1, and a distance in a rotor radial direction from a point located on the innermost side in the rotor radial direction out of points which require the arrival of ultrasonic wave on the outer fork, to the oscillation reference point is set as a required arrival distance H, the turbine moving blade is formed to establish tan35°≤(W1-S1+4W2)/H and (W1-S1)/tan55°≤T1. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有适于超声波探伤的叉形刀片插入部的涡轮机动叶片。解决方案：用于放置超声波传感器16的平滑表面15设置在具有叉式刀片插入部分7的涡轮机动叶片2的叶片安装表面13上。当超声波传感器16的中心点设置在光滑表面15上的振动基准点P1被设定为突出部12a的从外侧叉10a的外侧端面20到转子轴向端面的距离为突出部宽度 W1，将外叉的转子轴方向的宽度设定为叉宽W2，将突出部的转子轴向的振荡基准点与端面的距离设定为传感器距离S1，将从转子径向的最内侧的位置到需要超声波到外部叉的点以外的转子径向的距离设定为所需到达距离H th 形成涡轮机动叶片以建立tan35°≤（W1-S1 + 4W2）/ H和（W1-S1）/ tan55°≤T1。版权所有（C）2009，JPO＆INPIT

3. 发明专利

JP2005188463A Structure and method of connecting turbine blade 审中-公开
标题翻译：结构和连接涡轮叶片的方法
公开(公告)号：JP2005188463A
公开(公告)日：2005-07-14
申请号：JP2003433598
申请日：2003-12-26
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： UMEUCHI TAKANORI , SAITO MAKOTO , ADACHI YUJI , YAMAGAMI TOSHIYA , KANEDA HIDEAKI
IPC分类号： F01D5/24
摘要： PROBLEM TO BE SOLVED: To provide a structure and a method of connecting turbine blades capable of reducing bearing pressure to be generated in a connection part between a tie wire and a connecting member.
SOLUTION: In turbine blade connecting structure for connecting a plurality of turbine blades 1, the tie wire 2 having a hollow part 10 in at least both ends thereof is inserted through a through hole 3 provided in each of a plurality of turbine blades 1, and thereafter, a curved surface part 6 formed in the peripheral part in both sides of the connecting member 4 is inserted into the hollow part 10 of each of the opposite tie wires 2, and an end 11 of the hollow part 10 is formed with the throttle form to be engaged with the curved surface part 6 of the connecting member 4.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种连接涡轮叶片的结构和方法，该结构和方法能够降低在连接线和连接构件之间的连接部分中产生的轴承压力。解决方案：在用于连接多个涡轮机叶片1的涡轮机叶片连接结构中，具有至少两个中空部分10的连接线2至少在其两端被插入穿过设置在多个涡轮机叶片然后，将形成在连接部件4的两侧的周边部的曲面部6插入到各个相对的连接线2的中空部10中，形成中空部10的端部11 节气门形式与连接构件4的曲面部分6接合。版权所有（C）2005，JPO＆NCIPI

4. 发明专利

JP2010019130A Turbine moving blade 有权
标题翻译：涡轮机叶片
公开(公告)号：JP2010019130A
公开(公告)日：2010-01-28
申请号：JP2008178797
申请日：2008-07-09
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： SUZUKI YUTAKA , ADACHI YUJI , KONO NAOYUKI , SUGIYAMA HIDENOBU
IPC分类号： F01D5/30
摘要： PROBLEM TO BE SOLVED: To provide a fork type turbine moving blade of which the fork shape is optimized for ultrasonic inspection beforehand. SOLUTION: An outer fork 10 is formed to satisfy a relation ((H 2 +(L-S) 2 +(W2+W3) 2 )) 1/2 -((H 2 +(L-S) 2 +(W3) 2 )) 1/2 >λ, where a rotor axial direction thickness of the outer fork 10 is represented by W2, a rotor axial direction distance between the center of an ultrasonic sensor and an end of the outer fork 10 by W3, a rotor radial direction distance from the ultrasonic sensor to the center of a pin hole 11 by H, a rotor rotation direction width of the outer fork 10 by L, a wavelength of ultrasonic generated by the ultrasonic sensor by λ, and a rotor radial direction distance between the center of the ultrasonic sensor and the end of the outer fork 10 by S. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供叉形式的叉型涡轮机动叶片，其预先优化用于超声波检查。解决方案：外叉10形成为满足关系式（（H（SP）+ SP）+（LS） 2 +（W2 + W3） SP>）） 1/2 - （（H 2 +（LS） 2 +（W3） 2 ）） 1/2 >λ，其中外叉10的转子轴向厚度由W2表示，超声波传感器的中心与外叉的端部之间的转子轴向距离 10是W3，从超声波传感器到针孔11的中心的转子径向距离为H，外叉10的转子旋转方向宽度为L，超声波传感器产生的超声波长为λ，以及超声波传感器的中心与外叉10的端部之间的转子径向距离。版权所有（C）2010，JPO＆INPIT

5. 发明专利

JP2009031311A Eddy current flaw detection method 审中-公开
标题翻译： EDDY电流检测方法
公开(公告)号：JP2009031311A
公开(公告)日：2009-02-12
申请号：JP2008287411
申请日：2008-11-10
申请人： Hitachi Engineering & Services Co Ltd , Hitachi Ltd , 株式会社日立エンジニアリング・アンド・サービス , 株式会社日立製作所
发明人： SUZUKI YUTAKA , KOIKE MASAHIRO , MATSUI TETSUYA , KODAIRA KOJIRO , ISAKA KATSUMI , ODAKURA MITSURU , TAYAMA KENJI , SUZUKI KAZUHIRO , KUMASAKA KENJI , ADACHI YUJI
IPC分类号： G01N27/90
摘要： PROBLEM TO BE SOLVED: To provide an eddy current flaw detection method capable of reducing time required for eddy current flaw detection.
SOLUTION: Eddy current flaw detection of disc fork parts and wing fork parts of a rotor of a steam turbine that uses eddy current flaw detection device is explained. Fork pins are removed from a disc of the rotor extracted from a turbine casing (step 40). Support rods are respectively inserted into two of a plurality of hole parts of the disc in which the fork pins were inserted. Eddy current flaw detection probes of a sensor part supported to the respective support rods are inserted into the other hole parts of the disc (step 42). Zero-point adjustment of the probes is carried out, in parts other than the seams of the respective forks of the wing fork parts adjacent to each other (step 43). After completion of the zero-point adjustment, the probes are rotated and run, and eddy current flaw detection in the hole parts is executed (step 44). The presence of cracks in the hole parts is determined based on the flaw detection result (step 45).
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供能够减少涡流探伤所需时间的涡流探伤方法。解决方案：解释了使用涡流探伤装置的蒸汽轮机的转子的圆盘叉部件和翼叉部分的涡流探伤。将叉销从从涡轮机壳体抽出的转子的盘上移除（步骤40）。支撑杆分别插入到其中插入叉销的盘的多个孔部分中的两个中。支撑在各个支撑杆上的传感器部件的涡流探伤探针被插入盘的其它孔部分（步骤42）。在除了彼此相邻的翼叉部分的相应叉的接缝之外的部分中进行探针的零点调整（步骤43）。零点调整完成后，探头旋转运行，并执行孔部分的涡流探伤（步骤44）。基于缺陷检测结果确定孔部分中的裂纹的存在（步骤45）。版权所有（C）2009，JPO＆INPIT

6. 发明专利

JP2010266223A Eddy current flaw detection system 有权
标题翻译： EDDY电流检测系统
公开(公告)号：JP2010266223A
公开(公告)日：2010-11-25
申请号：JP2009115494
申请日：2009-05-12
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： SUZUKI YUTAKA , ADACHI YUJI , KONO NAOYUKI , KITAZAWA SATOSHI , SHIBASHITA NAOAKI , SAKURAI SHIGEO , KUDO TAKESHI
IPC分类号： G01N27/90
摘要： PROBLEM TO BE SOLVED: To provide an eddy current flaw detection system for eliminating a dead zone under a coil.
SOLUTION: This eddy current flaw detection system includes an eddy current sensor 1 having coils 5, and an eddy current flaw detector 8 for impressing an AC voltage on the coils of the current sensor 1 placed on an inspecting object 2 while detecting a change in the impedance of the coils induced by an eddy current flowing within the inspecting object to detect a flaw. The current sensor 1 includes the plurality of coils 5a, 5b, and 5c while the plurality of coils are disposed such that they are shifted from each other by an amount slightly smaller than half the width of the coil in a direction orthogonal to the axial direction AX of the coils.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于消除线圈下的死区的涡流探伤系统。该涡流探伤系统包括具有线圈5的涡电流传感器1和涡流探伤器8，用于在检测对象物2的同时对放电检测对象物2上的电流传感器1的线圈施加交流电压改变由在检查对象内流动的涡流引起的线圈的阻抗，以检测缺陷。电流传感器1包括多个线圈5a，5b和5c，而多个线圈被布置成使得它们彼此相对移动一定量，该距离稍小于线圈宽度方向与轴向正交的方向的一半线圈的AX。版权所有（C）2011，JPO＆INPIT

7. 发明专利

JP2010078473A Ultrasonic flaw detector and ultrasonic flaw detection method 有权
标题翻译：超声波检测器和超声波检测方法
公开(公告)号：JP2010078473A
公开(公告)日：2010-04-08
申请号：JP2008247475
申请日：2008-09-26
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： SUZUKI YUTAKA , ADACHI YUJI , KONO NAOYUKI , KITAZAWA SATOSHI , SHIBASHITA NAOAKI , SAKURAI SHIGEO , KUDO TAKESHI
IPC分类号： G01N29/04
摘要： PROBLEM TO BE SOLVED: To provide an ultrasonic flaw detector and an ultrasonic flaw detection method capable of improving sensitivity of UT by increasing SH wave components of an inspection wave. SOLUTION: In this ultrasonic flaw detector having a UT sensor 1 on which a plurality of ultrasonic elements 5 for transmitting an SH wave to a defect 3 are arranged, assuming that the length and the curvature in the major axis direction of the defect 3 are W1, R1 respectively, the length and the curvature in the minor axis direction of the defect 3 are W2, R2 respectively, the length and the curvature in the major axis direction of the UT sensor 1 are W1', R1' respectively, and the length and the curvature in the minor axis direction of the UT sensor 1 are W2', R2' respectively, the bottom surface of the UT sensor 1 has a curved surface shape so as to fulfill relations: (1) R1'÷R1=W1'÷W1, (2) R2'÷R2=W2'÷W2, and a shoe 7 for propagating an ultrasonic wave is provided between an inspection object 2 and each ultrasonic elements 5. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够通过增加检查波的SH波分量来提高UT的灵敏度的超声波探伤仪和超声波探伤方法。解决方案：在具有UT传感器1的这种超声波探伤仪中，设置有用于将SH波传输到缺陷3的多个超声波元件5，其中假设长度方向上的缺陷的长度和曲率 3分别为W1，R1，缺陷3的短轴方向的长度和曲率分别为W2，R2，UT传感器1的长轴方向的长度和曲率分别为W1'，R1' UT传感器1的短轴方向的长度和曲率分别为W2'，R2'，UT传感器1的底面为曲面形状，满足以下关系：（1）R1'÷R1 = W1'÷W1，（2）R2'÷R2 = W2'÷W2，并且在检查对象2和每个超声波元件5之间设置用于传播超声波的鞋7。（C）2010 ，JPO＆INPIT

8. 发明专利

JP2008082992A Turbine fork ultrasonic flaw detector and detection method 有权
标题翻译：涡轮机超声波检测器及检测方法
公开(公告)号：JP2008082992A
公开(公告)日：2008-04-10
申请号：JP2006266254
申请日：2006-09-29
申请人： Hitachi Engineering & Services Co Ltd , Hitachi Ltd , 株式会社日立エンジニアリング・アンド・サービス , 株式会社日立製作所
发明人： SUZUKI YUTAKA , KOIKE MASAHIRO , MATSUI TETSUYA , KODAIRA KOJIRO , ISAKA KATSUMI , ODAKURA MITSURU , TAYAMA KENJI , SUZUKI KAZUHIRO , KUMASAKA KENJI , ADACHI YUJI
IPC分类号： G01N29/04 , G01N29/26
CPC分类号： G01N29/225 , G01N29/07 , G01N29/265 , G01N2291/0289 , G01N2291/2693
摘要： PROBLEM TO BE SOLVED: To solve a problem wherein a time is required because a bucket and a disk are required to be disassembled, in inspection of a turbine fork executed by magnetic particle inspection, and a problem wherein an ultrasonic wave (shape echo) reflected by unevenness of the fork is difficult to be discriminated from an ultrasonic wave (defect signal) reflected by a defect because a fork shape is complicated, in inspection tried by ultrasonic flaw detection.
SOLUTION: An ultrasonic flaw detection sensor installing jig 3 with a scale capable of evaluating quantitatively a moving amount, while limiting a degree of moving freedom of a sensor 2 to rotational motion and parallel motion, is fixed to a reference test piece having the same size as that of an inspection object with no defect to obtain a shape echo. The presence of the ultrasonic wave (defect signal) is evaluated by fixing the ultrasonic flaw detection sensor installing jig 3, by installing the ultrasonic sensor 2 in the same position as that in the acquisition of the shape signal, and by acquiring the ultrasonic flaw detection to be compared. Resultingly, the inspection time is shortened more than that in the magnetic particle flaw detection, and the shape echo is discriminated from the defect signal more easily than in the conventional ultrasonic flaw detection.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题为了解决由于需要拆卸铲斗和盘而需要时间的问题，在检查通过磁粉检查执行的涡轮叉的情况下，以及超声波（形状在由超声波探伤进行的检查中，由于叉形复杂，难以将由叉子的不均匀性反射的超声波（缺陷信号）与缺陷反射的超声波（缺陷信号）区分开来。解决方案：一种超声波探伤传感器，其具有能够定量地评价移动量的刻度尺的夹具3，同时将传感器2的移动自由度限制为旋转运动和平行运动，固定到具有与没有缺陷的检查对象的尺寸相同，以获得形状回波。通过将超声波探伤传感器安装夹具3固定在与获取形状信号相同的位置，并且通过获取超声波探伤检测来评估超声波（缺陷信号）的存在要比较。因此，检查时间比磁粉探伤中的检查时间缩短，与以往的超声波探伤相比，能够比缺陷信号更容易地识别形状回波。版权所有（C）2008，JPO＆INPIT

9. 发明专利

JP2013156173A Inspection method for turbine blade and device therefor 审中-公开
标题翻译：涡轮叶片检查方法及其装置
公开(公告)号：JP2013156173A
公开(公告)日：2013-08-15
申请号：JP2012017467
申请日：2012-01-31
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： NAKANO HIROYUKI , KONISHI TAKAAKI , ADACHI YUJI , YOKOYAMA SHINGO , KODAIRA KOJIRO
IPC分类号： G01N21/892 , F01D25/00 , F02C7/00 , F02C9/00
摘要： PROBLEM TO BE SOLVED: To quickly inspect the sizes and the number of corrosion pits on the surface of a turbine blade.SOLUTION: An imaging head is placed (a) over a surface of inspection position of a turbine blade; the surface is irradiated (b) with parallel light beam from an oblique direction; scattered light generated by the irradiation is taken into an imaging element and imaged (c) as imaging light beam; an image of corrosion pits are extracted (d) by a computer from the image information acquired by the imaging; the sizes of the extracted corrosion pit images are measured (e) by the computer; the number of the extracted corrosion pit images which are larger than a prescribed allowable value is counted (f) by the computer; necessity of scanning of the imaging head is determined (g); the scanning of the imaging head to the next inspection position is performed if necessary (h); steps starting from the process of irradiation (b) are repeated; and when the scanning is not necessary, the scanning is stopped (i) and the inspection is completed.
摘要翻译：要解决的问题：快速检查涡轮叶片表面上的腐蚀坑的尺寸和数量。解决方案：成像头放置在（a）在涡轮叶片的检查位置的表面上; 用平行光束从斜方向照射表面（b）通过照射产生的散射光被摄入成像元件并成像（c）成像光束; 通过计算机从成像获取的图像信息中提取（d）腐蚀坑图像; 通过计算机测量提取的腐蚀坑图像的尺寸（e）通过计算机对（f）计数大于规定容许值的提取腐蚀坑图像的数量; 确定成像头的扫描的必要性（g）; 如果需要（h），则执行成像头到下一个检查位置的扫描; 重复从照射过程（b）开始的步骤; 并且当不需要扫描时，停止扫描（i）并且完成检查。

10. 发明专利

JP2012047184A Turbine moving blade 有权
标题翻译：涡轮机叶片
公开(公告)号：JP2012047184A
公开(公告)日：2012-03-08
申请号：JP2011246576
申请日：2011-11-10
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： SUZUKI YUTAKA , KOIKE MASAHIRO , KODAIRA KOJIRO , ODAKURA MITSURU , ADACHI YUJI , CHIBA HIROAKI , KONO NAOYUKI , KAMOSHIDA HITOSHI
IPC分类号： F01D5/30 , F01D25/00 , F02C7/00 , G01N29/04
摘要： PROBLEM TO BE SOLVED: To provide a turbine moving blade having a fork type blade embedding part suitable for ultrasonic flaw detection.SOLUTION: Assuming a point at which an ultrasonic wave oscillated from an ultrasonic sensor 55 enters a smooth surface 15C as an oscillation reference point P1c, an area on a blade installation surface adjacent to a projecting image of an outer fork 10a onto the blade installation surface 13 as a sensor arranging area D2, a width of the outer fork as a fork width (W3), a distance up to the oscillation reference point from an inflection point P3 of expanding the outer fork as the ultrasonic wave passing depth (H4), a point at which a straight line of contacting with a pinhole of the outer fork by passing through the inflection point from the oscillation reference point, reaches an end surface of the outer fork as an ultrasonic wave arrival point P2c, and a distance up to the oscillation reference point from the ultrasonic wave arrival point as an ultrasonic wave arrival distance (Hc), the sensor arranging area D2 is formed so that a width (W4) in the rotary axis direction satisfies "W4=H4*W3(Hc-H4)", and the smooth surface is arranged so that the oscillation reference point is positioned in the sensor arranging area D2.
摘要翻译：要解决的问题：提供一种具有适用于超声波探伤的叉形刀片嵌入部件的涡轮机动叶片。解决方案：假设从超声波传感器55振荡的超声波作为振动基准点P1c进入平滑表面15C的点，与外叉10a的突出图像相邻的叶片安装面上的区域作为传感器配置区域D2的刀片安装面13，作为叉宽度（W3）的外叉的宽度，从作为超声波通过深度的扩展外叉的拐点P3到振动基准点的距离（ H4），通过从摆动基准点通过拐点而与外叉的针孔直线接触的点到达外叉的端面为超声波到达点P2c，直到超声波到达点的振荡参考点为超声波到达距离（Hc），传感器排列区域D2形成为使得旋转轴方向上的宽度（W4）满足“ W4 = H4 * W3（Hc-H4）“，并且平滑表面被布置成使得振荡基准点位于传感器布置区域D2中。版权所有（C）2012，JPO＆INPIT

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