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    • 5. 发明申请
    • CABLE TENSIONING SYSTEM AND METHOD OF OPERATION
    • 电缆拉伸系统和操作方法
    • WO2005075761A1
    • 2005-08-18
    • PCT/US2005/002662
    • 2005-02-02
    • ACTUANT CORPORATIONFOEGE, Carl, A.ARTERS, Edward, T.PILI, Roger, R.
    • FOEGE, Carl, A.ARTERS, Edward, T.PILI, Roger, R.
    • E04G21/12
    • E04G21/121Y10T29/49913Y10T29/53065
    • A concrete reinforcement cable tensioning system is variably adjustable to apply different crimping for different sized cables. The system includes a concrete reinforcement cable tensioner having a first actuator for tensioning a cable extending through a concrete structure and a second actuator for crimping a grommet onto the cable. A first hydraulic line is in fluiti communication with the first actuator and selectively provides pressurized hydraulic fluiti to the first actuator. A second hydraulic line is in fluiti communication with the second actuator and selectively provides pressurized hydraulic fluiti to the second actuator. A normally closed pilot operateti sequencing valve is disposed in the first hydraulic fine, and has a pilot fine in fluiti communication with the second hydraulic line for sensing a pressure in the second hydraulic fine, wherein the sequencing valve opens to exhaust hydraulic fluiti from the first actuator upon the pressure in the second hydraulic fine reaching a predetermined pressure. The predetermined pressure is variably changeable to accommodate different pressures required to crimp gromrnets on different sizes of cable.
    • 混凝土钢筋拉紧系统是可变的,适用于不同尺寸电缆的不同压接。 该系统包括具有用于张紧延伸穿过混凝土结构的电缆的第一致动器和用于将索环压接到电缆上的第二致动器的混凝土增强电缆张紧器。 第一液压管线与第一致动器处于流体连通状态,并且选择性地向第一致动器提供加压液压油流。 第二液压管路与第二致动器处于流体连通状态,并且选择性地向第二致动器提供加压的液压油流。 常闭导向操作顺序阀设置在第一液压精细件中,并且具有与第二液压管线连通的导向管,用于感测第二液压微细中的压力,其中顺序阀打开以从第一液压精馏器排出液压油流 致动器在第二液压微细压力达到预定压力时。 预定压力可变地变化,以适应在不同尺寸的电缆上卷曲电线所需的不同压力。