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    • 6. 发明申请
    • APPARATUS FOR INSPECTING DEFORMATION OF PIPES
    • 检查管道变形的装置
    • WO2003076869A1
    • 2003-09-18
    • PCT/EP2002/002788
    • 2002-03-13
    • BOREALIS TECHNOLOGY OYEDWIN, EmilARNESEN, Tore
    • EDWIN, EmilARNESEN, Tore
    • G01B5/08
    • G01B7/281G01B5/08
    • An apparatus (1) is provided for measuring deformation of a surface of a pipe (22). The apparatus has a central portion (2) to which a detector section (3) is mounted. At each side, guides (4) are connected to the housing via arms (5). The housing has a platform (6) below which an inverted U-shaped section (7) is provided, with the platform forming the base of the U. At the rear of this section a wheel is rotatably mounted on an axle. Forward of this, and also within the U-shaped section is mounted a further U-shaped section (10). This is pivotally mounted at its rear end by means of a pin such that its forward end is free to move vertically. The forward end has mounted within it a further wheel (12) on an axle (13). Projecting upwards from the second U-shaped section (10) is a rod (14) which passes through a hole (15) in platform (6). Around the lower portion of the rod is provided a spring (16) which biases the detector downwards and away from the platform. The rod moves vertically with the wheel (12) as it passes over bumps in the pipe. The rod is connected to a potentiometer which varies an output voltage. By correlating the variations in the output voltage with the distance moved by the detector, deformations in the pipe (22) may be mapped.
    • 提供了一种用于测量管道(22)的表面的变形的装置(1)。 该装置具有安装检测器部分(3)的中心部分(2)。 在每一侧,引导件(4)通过臂(5)连接到壳体。 壳体具有平台(6),在该平台(6)下方设置有倒U形部分(7),平台形成U形的基部。在该部分的后部,轮可旋转地安装在轴上。 向前,并且在U形部分内还安装有另外的U形部分(10)。 这通过销枢转地安装在其后端,使得其前端可以自由地垂直移动。 前端已经在轴上安装了另一个车轮(12)。 从第二U形部分(10)向上突出的是穿过平台(6)中的孔(15)的杆(14)。 在杆的下部周围设置有弹簧(16),其将检测器向下偏置并远离平台。 当杆(12)越过管道中的凸块时,杆随着轮(12)垂直移动。 杆连接到电位器,电位器改变输出电压。 通过将输出电压的变化与由检测器移动的距离相关联,可以映射管道(22)中的变形。