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    • 47. 发明申请
    • ANTI-VIBRATION BAR CLAMPING TOOL
    • 防振条夹钳
    • WO2012166294A3
    • 2014-05-01
    • PCT/US2012036706
    • 2012-05-07
    • WESTINGHOUSE ELECTRIC CORP
    • WEPFER ROBERT M
    • F28F7/00
    • F28F9/0132F16L55/035F22B37/003F28D7/06F28D2021/0054F28F2265/30F28F2280/00Y10T29/49391Y10T29/49393Y10T29/53Y10T29/53022Y10T29/53117Y10T29/53122
    • An automated tool and method for spacing a gap between the anti-vibration bars and the flow tubing in the bend region of a tube bundle of a U-tube steam generator, prior to welding, during manufacture. The tool comprises two toggle clamp elements attached to a scissors assembly, which are actuated by a linear drive motor in line with a force gauge, and coupled to a distance measuring device. The tool is operated by first attaching the toggle clamps respectively to two adjacent anti-vibration bars. A linear drive motor on the tool is then cycled and readouts of force and distance are plotted on a curve to determine the point of contact between the anti- vibration bar and the tube. The computer then automatically cycles the drive motor to adjust the gap to a desired range of position coordinates adjacent the point at which the curve markedly changes slope.
    • 一种自动化工具和方法,用于在制造期间,在焊接之前,在U形管蒸汽发生器的管束的弯曲区域中间隔防振条和流道之间的间隙。 该工具包括附接到剪刀组件的两个肘节夹紧元件,其由与力测量仪一致的线性驱动马达驱动,并连接到距离测量装置。 该工具通过首先将肘节夹分别连接到两个相邻的防振条来操作。 然后将工具上的线性驱动电机循环,并将力和距离读数绘制在曲线上,以确定防振条与管之间的接触点。 然后,计算机自动循环驱动电机以将间隙调整到与曲线显着改变斜率的点相邻的位置坐标的期望范围。