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    • 8. 发明申请
    • Method and a device for Inspecting a pipe connection weld by an ultrasound probe
    • 用超声探头检查管道连接焊缝的方法和装置
    • US20090078742A1
    • 2009-03-26
    • US11988246
    • 2006-07-04
    • Lorenzo PasqualiMassimiliano Rossi
    • Lorenzo PasqualiMassimiliano Rossi
    • B23K37/00G01N29/04
    • G01N29/225B06B1/0622G01N29/262G01N29/265G01N2291/044G01N2291/106G01N2291/2636G01N2291/2675G01N2291/2677G10K11/346
    • A method of inspecting a substantially circular circumferential weld for connecting together an inner pipe and a coaxial outer pipe, either directly or via a junction forging, by using an ultrasound probe having a plurality of robotic multibeam piezoelectric emitter-receivers. The method is performed by: a) positioning at least one ultrasound probe inside said inner pipe; b) scanning the various ultrasound beams from the various emitters of said probe while the probe is positioned at a given position; and c) moving said probe in rotation about the axis of said pipe through a given angle corresponding to an arc length less than or equal to the size of the weld defects that are to be detected; and then d) repeating steps b) and c) until the entire circumference of the weld has been inspected. The present invention also provides a device for inspecting a circumferential weld that is suitable for use in a method of the invention.
    • 通过使用具有多个机器人多波束压电发射器 - 接收器的超声波探头,检查基本上圆形的圆周焊缝,用于将内管和同轴外管直接或经由连接处锻造连接在一起。 该方法通过以下步骤进行:a)将至少一个超声波探针定位在所述内管内; b)当探针定位在给定位置时,从所述探针的各种发射器扫描各种超声波束; 以及c)使所述探针围绕所述管的轴线旋转相对于小于或等于待检测的焊缝缺陷的尺寸的弧长度的给定角度; 然后d)重复步骤b)和c),直到检查焊缝的整个圆周。 本发明还提供了一种用于检查适用于本发明方法的圆周焊缝的装置。
    • 9. 发明申请
    • Method for evaluating a weld joint formed during a welding process
    • 焊接过程中形成焊缝的评价方法
    • US20060260403A1
    • 2006-11-23
    • US10540210
    • 2003-12-11
    • Eckhard Waschkies
    • Eckhard Waschkies
    • G01N29/04G01N29/44
    • G01N29/42B23K9/095B23K11/252B23K15/02B23K26/03B23K31/125G01N29/07G01N2291/0252G01N2291/0421G01N2291/0422G01N2291/048G01N2291/102G01N2291/2677
    • Disclosed is a method for evaluating, during a welding process, a welded joint as it is forming between at least two parts of a joint using at least one ultrasonic transmitter sound penetrating the region of the forming welded joint with ultrasonic waves and at least one ultrasonic receiver, which registers the changes in sound transmittance of the ultrasonic waves penetrating the region of the forming welded joint in order to evaluate the welded joint. The invention is distinguished by sound being transmitted with longitudinal (l) and transverse(t) ultrasonic waves into the region of the welded joint, the time-dependent changes in sound transmittance Dl(t), Dt(t) of the longitudinal ultrasonic waves (l) and the transverse ultrasonic waves (t) being registered separately, and using the ratio of Dl(t) to Dt(t), the time point ts at which a molten mass forms in the region of the welded joint being determined and serving as a basis for evaluating the welded joint.
    • 公开了一种用于在焊接过程中焊接接头在使用至少一个穿过成形焊接接头的区域的超声波发射器声音和超声波的至少两个部件之间进行评估的方法,以及至少一个超声波 接收器,其记录穿过成形焊接接头的区域的超声波的透光率的变化,以评估焊接接头。 本发明的特征在于通过纵向(l)和横向(t)超声波传播到焊接接头的区域,声透射率D 1(t),D 纵向超声波(1)和横向超声波(t)分别登记,并且使用D <1(t)与D的比率(t) (t),确定焊接接头区域内形成熔融质量的时间点t S s,并作为评估焊接接头的基础。
    • 10. 发明授权
    • Method and a device for inspecting a pipe connection weld by an ultrasound probe
    • 用于通过超声波探头检查管道连接焊缝的方法和装置
    • US08042399B2
    • 2011-10-25
    • US11988246
    • 2006-07-04
    • Lorenzo PasqualiMassimiliano Rossi
    • Lorenzo PasqualiMassimiliano Rossi
    • G01N29/26G01N29/06
    • G01N29/225B06B1/0622G01N29/262G01N29/265G01N2291/044G01N2291/106G01N2291/2636G01N2291/2675G01N2291/2677G10K11/346
    • A method of inspecting a substantially circular circumferential weld for connecting together an inner pipe and a coaxial outer pipe, either directly or via a junction forging, by using an ultrasound probe having a plurality of robotic multibeam piezoelectric emitter-receivers. The method is performed by: a) positioning at least one ultrasound probe inside said inner pipe; b) scanning the various ultrasound beams from the various emitters of said probe while the probe is positioned at a given position; and c) moving said probe in rotation about the axis of said pipe through a given angle corresponding to an arc length less than or equal to the size of the weld defects that are to be detected; and then d) repeating steps b) and c) until the entire circumference of the weld has been inspected. The present invention also provides a device for inspecting a circumferential weld that is suitable for use in a method of the invention.
    • 通过使用具有多个机器人多波束压电发射器 - 接收器的超声波探头,检查基本圆形的圆周焊缝,用于将内管和同轴外管直接或经由连接处锻造连接在一起。 该方法通过以下步骤进行:a)将至少一个超声波探针定位在所述内管内; b)当探针定位在给定位置时,从所述探针的各种发射器扫描各种超声波束; 以及c)使所述探针围绕所述管的轴线旋转相对于小于或等于待检测的焊缝缺陷的尺寸的弧长度的给定角度; 然后d)重复步骤b)和c),直到检查焊缝的整个圆周。 本发明还提供了一种用于检查适用于本发明方法的圆周焊缝的装置。