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    • 2. 发明专利
    • Ultrasound flaw detecting device for pipe ends, and initial-position setting method for probe holder
    • 用于管端的超声波检测装置和探头支架的初始位置设定方法
    • JP2010256339A
    • 2010-11-11
    • JP2010052903
    • 2010-03-10
    • Sumitomo Metal Ind Ltd住友金属工業株式会社
    • FUJIWARA KENJIKUBOTA HIROSHIOBATA TOMOYUKIYAMANO MASAKI
    • G01N29/04
    • G01N29/28G01N29/225G01N29/275G01N2291/052G01N2291/056G01N2291/103G01N2291/2634
    • PROBLEM TO BE SOLVED: To provide an ultrasound flaw detecting device for a pipe end for detecting flaws using ultrasound with excellent precision by means of a contact medium stably mediating the pipe end and an ultrasound probe. SOLUTION: The ultrasound flaw detecting device 100 includes: ultrasound probes 1, which are disposed underneath and facing the end of a pipe P and which transmit and receive ultrasound waves, in the direction of the pipe end; and a probe holder 2, which is disposed underneath and facing the pipe end and which houses the ultrasound probes as well as tracks the pipe which rotates circumferentially. The probe holder includes a contact medium reserving section which surrounds the gap between the ultrasound probes and the pipe end and is for retaining the contact medium W inside. The contact medium reserving section includes a contact medium reserving section body 21, wherein the contact medium is provided; an annular bellows 22, which can be extended and retracted in the vertical direction and is attached to the upper side of the contact medium reserving section body in a manner that communicates with the contact medium reserving section body; and an annular spacer 23, which is attached to the upper side of the bellows and wherein at least the top surface is a flat horizontal surface. COPYRIGHT: (C)2011,JPO&INPIT
    • 解决的问题:提供一种用于通过稳定介导管端的接触介质和超声波探头以优异的精度检测缺陷的管端的超声波探伤装置。 解决方案:超声波探伤装置100包括:超声波探头1,其设置在管P的下方并面向管P的端部,并且在管端的方向上发送和接收超声波; 以及探针支架2,其设置在下方并且面向管端并且容纳超声波探头以及跟踪周向旋转的管。 探针架包括接触介质保留部分,其围绕超声波探头与管端之间的间隙,并且用于将接触介质W保持在内部。 接触介质保留部分包括接触介质储存部分主体21,其中提供接触介质; 环形波纹管22可以在垂直方向上延伸和缩回,并以与接触介质储存部本体连通的方式附接到接触介质储存部本体的上侧; 以及环形间隔件23,其连接到波纹管的上侧,并且其中至少顶表面是平坦的水平表面。 版权所有(C)2011,JPO&INPIT
    • 5. 发明专利
    • Ultrasonic test method and instrument for welded part of steep pipe
    • 超声波测试方法和仪器焊接部分
    • JP2003344366A
    • 2003-12-03
    • JP2002147483
    • 2002-05-22
    • Sumitomo Metal Ind Ltd住友金属工業株式会社
    • OKUBO HIROYUKIYAMANO MASAKIHORIKIRI TAKUMI
    • G01N29/04G01N29/10
    • G01N2291/0234G01N2291/044
    • PROBLEM TO BE SOLVED: To obtain an ultrasonic test method and an instrument therefor for the welded part of a steel pipe in which an erroneous detection due to aqueous paste, or the like, on the outer face side of the steel pipe is reduced, a detrimental flaw can be detected accurately and surely over the entire cross-section of the welded part using a small number of ultrasonic probes even in case of a thick material, and the ultrasonic probe group can be followed up by detecting the center of the welded part accurately while reducing the dead-band part at the opposite ends of the welded steel pipe.
      SOLUTION: An ultrasonic probe 4 for detecting a longitudinal crack in the group of ultrasonic probes is arranged at the head so that the water in a contact medium of an ultrasonic probe 5 for detecting a lateral crack immediately above the welded part 2 is not detected erroneously when a flaw on the outer surface is detected by means of the ultrasonic probe 4. The ultrasonic probe 4 is a variable refraction angle probe, e.g. an array type probe, capable of detecting a longitudinal flaw on the inner surface or the outer surface or in the center of the welded part using a single probe. The leading end part and the trailing end part of the welded steel pipe are detected by means of a welded part detector 3 using two laser lights, and the welded steel pipe is carried at a low speed and followed up by the ultrasonic probe group at a high speed thus reducing the dead-band part at the opposite ends of the welded steel pipe.
      COPYRIGHT: (C)2004,JPO
    • 要解决的问题:为了获得用于钢管的外表面上由于水性糊剂等引起的错误检测的钢管的焊接部分的超声波测试方法及其仪器是 即使在厚料的情况下,也可以使用少量的超声波探头在焊接部件的整个横截面上准确且可靠地检测到有害的缺陷,并且可以通过检测超声波探针组的中心 焊接部分精确地同时减少焊接钢管的相对端处的死区部分。 解决方案:在头部设置用于检测超声波探头组中的纵向裂纹的超声波探头4,使得用于检测焊接部件2正上方的横向裂纹的超声波探头5的接触介质中的水为 当通过超声波探头4检测到外表面的缺陷时,未被错误地检测到。超声波探头4是可变折射角探头,例如 阵列型探针,能够使用单个探针检测焊接部件的内表面或外表面或中心的纵向缺陷。 焊接钢管的前端部和后端部通过使用两根激光的焊接部检测器3进行检测,焊接钢管以低速运送并在超声波探针组的后面 高速度,从而减少焊接钢管的两端的死区部分。 版权所有(C)2004,JPO
    • 6. 发明专利
    • Ultrasonic flaw detection device
    • 超声波检测装置
    • JP2010096779A
    • 2010-04-30
    • JP2010022984
    • 2010-02-04
    • Sumitomo Metal Ind Ltd住友金属工業株式会社
    • YAMANO MASAKISHIKADA HIROSHIFUJIWARA KENJI
    • G01N29/04G01N29/24G01N29/26
    • PROBLEM TO BE SOLVED: To provide an ultrasonic flaw detection device capable of obtaining highly reliable flaw results by a manual inspection of ultrasonic flaws without changing an angle of an ultrasonic probe to a tubular material to be inspected. SOLUTION: An ultrasonic flaw detection device 100 includes: an ultrasonic flaw probe 1; a pair of tracking mechanisms 41A, 41B disposed along the axis direction of a tubular material P to be inspected with the ultrasonic flaw probe interposed therebetween, and connected with the ultrasonic flaw probe; and a pair of arm mechanisms 42A, 42B disposed along the circumference direction of the tubular material to be inspected with the ultrasonic flaw probe and the tracking mechanisms interposed therebetween, and connected to the ultrasonic flaw probe. The distance between the arm mechanisms is adjustable. The tracking mechanisms have at least one rolling roller 41R that contacts the outer surface of the tubular material to be inspected, and rolls. The arm mechanisms are disposed with the center of the ultrasonic flaw probe interposed therebetween, and has at least a pair of rolling rollers 42R that contact the outer surface of the tubular material to be inspected and rolls. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种能够通过手动检查超声波缺陷而获得高度可靠的缺陷结果的超声波探伤装置,而不将超声波探头的角度改变为待检查的管状材料。 解决方案:超声波探伤装置100包括:超声波探伤仪1; 一对跟踪机构41A,41B,其被配置在被检查的管状材料P的轴线方向上,并且与超声波探伤器连接, 以及一对沿着待检查的管状材料的圆周方向的臂机构42A,42B,其与超声波探伤器和跟踪机构插入其间,并连接到超声波探伤仪。 臂机构之间的距离是可调节的。 跟踪机构具有至少一个接触待检查的管状材料的外表面的滚动辊41R并且滚动。 臂机构配置有超声波探伤仪的中心插入其间,并且具有至少一对接触待检查的管状材料的外表面并滚动的滚动辊42R。 版权所有(C)2010,JPO&INPIT
    • 7. 发明专利
    • Ultrasonic flaw detection method and device
    • 超声波检测方法及装置
    • JP2009244060A
    • 2009-10-22
    • JP2008090382
    • 2008-03-31
    • Sumitomo Metal Ind Ltd住友金属工業株式会社
    • YAMANO MASAKISHIKADA HIROSHIFUJIWARA KENJI
    • G01N29/04G01N29/24G01N29/26G01N29/44
    • G01N29/24B06B1/0625G01N29/043G01N29/225G01N2291/044G01N2291/056G01N2291/106G01N2291/2634
    • PROBLEM TO BE SOLVED: To provide an ultrasonic flaw detection method, an ultrasonic flaw detection device, and the like for easily evaluating the position and inclination angle of an oblique crack in the thickness direction of a tubular material to be subjected to flaw detection, when performing the flaw detection of the oblique crack manually. SOLUTION: The ultrasonic flaw detection device 100 includes: an ultrasonic probe 1 having a plurality of oscillators 11 arranged along a prescribed annular curved surface; a transmission/reception control means 2 for selecting at least two oscillators in the plurality of oscillators and transmitting and receiving ultrasonic waves to and from the tubular material to be subjected to flaw detection P, respectively; and a flaw detection waveform display means 3 for displaying the flaw detection waveform received by the oscillator radially in association with the propagation direction of ultrasonic waves transmitted and received to and from the selected oscillator, respectively. The flaw detection waveform display means 3 radially displays the flaw detection waveform with a point of time corresponding to a reflection echo at the incident point of ultrasonic waves to the tubular material to be subjected to flaw detection included in the flaw detection waveform as a starting point S, and displays circles C1, C2 indicating points of time corresponding to the reflection echoes on the inner surface and/or outer surface of the tubular material P to be subjected to flaw detection with the starting point S as a center. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种超声波探伤方法,超声波探伤装置等,用于容易地评估待受到缺陷的管状材料的厚度方向上的斜裂纹的位置和倾斜角度 检测时,手动进行斜裂纹的探伤。 解决方案:超声波探伤装置100包括:超声波探头1,其具有沿着规定的环状曲面配置的多个振荡器11; 发送/接收控制装置2,用于选择多个振荡器中的至少两个振荡器,并分别向管状材料发送和接收超声波以进行探伤P; 以及探伤波形显示装置3,用于分别与从所选择的振荡器发送和接收的超声波的传播方向相关联地显示由振荡器径向接收的探伤波形。 探伤波形显示装置3将与超声波入射点处的反射回波相对应的时间点的探伤波形径向地显示到作为起点的包含在探伤波形中的要进行探伤检测的管状材料 S,并且以起点S为中心,将要进行缺陷检测的管状材料P的内表面和/或外表面上的与反射回波相对应的时间点的圆C1,C2进行显示。 版权所有(C)2010,JPO&INPIT
    • 8. 发明专利
    • Method and apparatus for measuring temperature of mold copper plate for continuous casting
    • 用于连续铸造的模具铜板温度测量方法和装置
    • JP2009078298A
    • 2009-04-16
    • JP2007251327
    • 2007-09-27
    • Sumitomo Metal Ind Ltd住友金属工業株式会社
    • HONDA TATSUROYAMANO MASAKIMURAKAMI TOSHIHIKOADACHI MANABU
    • B22D11/16B22D11/04
    • PROBLEM TO BE SOLVED: To provide a method and an apparatus capable of measuring temperature of a mold copper plate which constructs a mold for continuous casting of molten metal in a wide range of temperature with an excellent accuracy and without hindering productivity of the continuous casting. SOLUTION: The method for measuring a temperature of the copper plate C composing the mold for continuous casting of the molten metal M includes: the first step for installing an ultrasonic wave reflection source R inside the mold copper plate C; the second step for propagating the ultrasonic wave U from the ultrasonic transmitting-receiving element 1 toward the reflection source R in the direction almost parallel to a surface C1 of the mold copper plate C proximate to the molten metal M; and the third step for calculating the temperature of the mold copper plate C based on a propagation time of ultrasonic echo U1, which is reflected by the reflection source R and detected by the ultrasonic transmitting-receiving element 1, and a temperature dependency of propagation rate of ultrasonic wave. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种能够测量模具铜板的温度的方法和装置,该模具铜板构造用于在宽的温度范围内以高精度连续铸造熔融金属的模具,并且不会妨碍生产率 连铸。 < P>解决方案:构成用于熔融金属M连续铸造的模具的铜板C的温度测量方法包括:在模具铜板C内安装超声波反射源R的第一步骤; 将超声波U从超声波发送用接收元件1朝与反射源R大体平行的方向传播到靠近熔融金属M的模具铜板C的表面C1的第二步骤; 以及基于由反射源R反射并被超声波发送接收元件1检测的超声波回波U1的传播时间和传播速率的温度依赖性来计算模具铜板C的温度的第三步骤 的超声波。 版权所有(C)2009,JPO&INPIT
    • 9. 发明专利
    • Ultrasonic probe, and ultrasonic flaw detection method and apparatus
    • 超声探头和超声波检测方法及装置
    • JP2006105892A
    • 2006-04-20
    • JP2004295896
    • 2004-10-08
    • Sumitomo Metal Ind Ltd住友金属工業株式会社
    • YAMANO MASAKI
    • G01N29/04G01N29/24
    • PROBLEM TO BE SOLVED: To provide an ultrasonic probe capable of highly-accurate flaw detection up to a fine flaw in an angle beam method of a metal pipe.
      SOLUTION: This ultrasonic probe 1 for detecting a flaw by allowing an ultrasonic wave U to enter the metal pipe P obliquely has a characteristic wherein the end shape of a section orthogonal to the axial direction of the metal pipe of the ultrasonic probe 1 is a non-arc shape designed so that transversal ultrasonic waves U2 are converged and longitudinal ultrasonic waves U1 do not reach the inner surface of the metal pipe P relative to a refracted wave comprising the longitudinal ultrasonic waves U1 and the transversal ultrasonic waves U2 propagating inside the metal pipe P.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种能够以金属管的角度束法的精细缺陷的高精度探伤的超声波探头。 解决方案:用于通过使超声波U倾斜地进入金属管P来检测缺陷的超声波探头1具有其中与超声波探头1的金属管的轴向正交的截面的端部形状 是设计成横向超声波U2会聚的非圆弧形状,并且纵向超声波U1相对于包括纵向超声波U1和在内部传播的横向超声波U2的折射波不到达金属管P的内表面 金属管P.版权所有(C)2006,JPO&NCIPI
    • 10. 发明专利
    • Quality inspection method of welded steel pipe welded section
    • 焊接钢管焊接质量检验方法
    • JP2006030218A
    • 2006-02-02
    • JP2005297417
    • 2005-10-12
    • Sumitomo Metal Ind Ltd住友金属工業株式会社
    • OKUBO HIROYUKIYAMANO MASAKI
    • G01N29/04G01N29/22G01N29/44
    • G01N2291/0289
    • PROBLEM TO BE SOLVED: To surely capture only harmful scratches, to accurately and rapidly specify the reinspection position of ultrasonic flaw detection and a photograph location in X-ray photograph, to improve production efficiency, and to reduce costs for precise and sure detection of harmful scratches over the entire section of a welded section using a small number of ultrasonic probes, and for reducing adjustment time when steel pipe dimensions are changed, when performing the ultrasonic flaw detection of a welded steel pipe welded section.
      SOLUTION: Ultrasonic probes 3, 3 are installed sandwiching, while holding a welded section 2 in a welded steel pipe 1, ultrasonic probes 4, 4 are installed sandwiching directly above the welded section 2, one signal detected by one of a pair of probes is determined to be a reflection signal from a welded shape, when the signal is detected, and signals from both of the pair of probes are determined to indicate scratches, thus reducing erroneous detection by the fault of the welding shape. When scratches are detected, an alarm is outputted and is outputted to a recording paper, flaw detection is made again, circumferential marking striding over the welded section is executed, and X-ray photographing is executed. An ultrasonic probe in which the refracting angle can be varied is used, thus reducing the facility cost, or the like.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了确保只捕获有害划痕,要准确,快速地指定超声波探伤的重新检测位置和X射线照片中的照片位置,以提高生产效率,并降低成本,确保准确和可靠 在焊接钢管焊接部的超声波探伤时,使用少量的超声波探头在焊接部的整个部分检测有害划痕,并且在钢管尺寸变化时减少调整时间。

      解决方案:将超声波探头3,3夹在夹持中,同时将焊接部分2保持在焊接钢管1中,将超声波探头4,4安装在焊接部分2的正上方,将一个信号由一对 探测器被确定为来自焊接形状的反射信号,当检测到信号时,确定来自两对探针的信号以指示划痕,从而减少焊接形状的错误的错误检测。 当检测到划痕时,输出警报并将其输出到记录纸上,再次进行探伤,在焊接部分上跨越圆周标记,并执行X射线拍摄。 可以使用其中可以改变折射角的超声波探头,从而降低设备成本等。 版权所有(C)2006,JPO&NCIPI