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1. 发明申请

WO2015118283A1 TENSIONER 审中-公开
公开(公告)号：WO2015118283A1
公开(公告)日：2015-08-13
申请号：PCT/GB2014/050349
申请日：2014-02-06
申请人： TENTEC LIMITED
发明人： GETHINGS, Michael , EVANS, David
IPC分类号： B23P19/06 , G01D5/24 , F16B31/04 , B25B29/02
CPC分类号： B23P19/067 , B25B29/02 , F16B31/043 , G01L1/12
摘要： A tensioner, typically hydraulic, for threaded members, the tensioner comprising: a base (4) and a piston (6) defining a pressure space (13) therebetween, the base (4) and piston (6) being arranged to be urged apart along an axis (17) upon introduction of a fluid into the pressure space (13); and a thread-engaging member (7), comprising a body portion (8) of the form of a sleeve and having a threaded interior (30) for engagement with a threaded member (2) and a piston engaging portion (9) carrying a protrusion; in which the piston (6) bears against the protrusion such that the piston (6) exerts a force on the protrusion when urged apart from the base (4) by the introduction of fluid into the pressure space (13); the tensioner further comprising a displacement sensor arranged to determining the relative position of the body portion of the thread- engaging member and the base, the displacement sensor comprising a first part (12) carried on the base (4) and a second part (11) carried on the body portion (8); typically the displacement sensor is a magnetic encoder.
摘要翻译：张紧器（通常为液压的）用于螺纹构件，张紧器包括：基座（4）和在其间限定压力空间（13）的活塞（6），所述基座（4）和活塞（6）被布置成被推开在将流体引入压力空间（13）中时沿轴线（17）移动; 以及螺纹接合构件（7），其包括套筒形式的本体部分（8），并且具有用于与螺纹构件（2）接合的螺纹内部（30）和承载突出; 其中活塞（6）抵靠突起，使得活塞（6）通过将流体引入压力空间（13）而被推压离开基部（4）时对突起施加力; 所述张紧器还包括位移传感器，所述位移传感器布置成确定所述线接合构件和所述基座的主体部分的相对位置，所述位移传感器包括承载在所述基座（4）上的第一部分（12）和第二部分）承载在身体部分（8）上; 通常位移传感器是磁性编码器。

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