| 简介 |
PURPOSE : A re-tension device of a strand is provided to re-tense the strand in a narrow space and easily grip an anchor head which supports the strand using plural gripping pieces.CONSTITUTION : A re-tension device of a strand comprises gripping pieces(20), a rubber ring(30), a connector(40), a tension guide rod(50), a fixing member(60), and a hydraulic cylinder(70). The gripping piece covers the outer circumference of an anchor head(10). The rubber ring is inserted into a bonding groove(23) of the gripping piece. In the connector, an insertion groove(41) into which a protrusion of the gripping piece is inserted is formed. One end of the tension guide rod is coupled with the connector. The fixing member is coupled with the other end of the tension guide rod. The hydraulic cylinder is arranged between the fixing member and the connector and raises the fixing member.COPYRIGHT KIPO 2010 |
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