发明名称 |
CABLE TENSIONING SYSTEM AND METHOD OF OPERATION |
摘要 |
<p>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 fluid communication with the first actuator and selectively provides pressurized hydraulic fluid to the first actuator. A second hydraulic line is in fluid communication with the second actuator and selectively provides pressurized hydraulic fluid to the second actuator. A normally closed pilot operated sequencing valve is disposed in the first hydraulic line, and has a pilot line in fluid communication with the second hydraulic line for sensing a pressure in the second hydraulic line, wherein the sequencing valve opens to exhaust hydraulic fluid from the first actuator upon the pressure in the second hydraulic line reaching a predetermined pressure. The predetermined pressure is variably changeable to accommodate different pressures required to crimp grommets on different sizes of cable.</p> |
申请公布号 |
EP1721053(A1) |
申请公布日期 |
2006.11.15 |
申请号 |
EP20050706126 |
申请日期 |
2005.02.02 |
申请人 |
ACTUANT CORPORATION |
发明人 |
FOEGE, CARL, A.;ARTERS, EDWARD, T.;PILI, ROGER, R. |
分类号 |
E04G21/12 |
主分类号 |
E04G21/12 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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