A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Stay cable tension device for eliminating back-twist
The invention discloses a stay cable tension device for eliminating back-twist. The device comprises a stay cable anchor cup, a connector, a nut, a traction steel strand, a tension supporting lug, a thrust roller bearing, a first tool anchor, a first tool anchor limiting component, a tool anchor supporting lug, a hydraulic jack, a second tool anchor and a second tool anchor limiting component, wherein the stay cable anchor cup is connected with the traction steel strand through the connector, the stay cable anchor cup is connected with the tension supporting lug through the nut, the thrust roller bearing is arranged behind the tension supporting lug, the first tool anchor is arranged on the thrust roller bearing, the first tool anchor is connected with the tool anchor supporting lug, the tool anchor supporting lug is connected with the hydraulic jack, and the hydraulic jack is connected with the second tool anchor. According to the invention, the problem of twisting of steel strands caused by back-twist of a large-size ultra-long stay cable in traction and tension processes of the steel strands is solved; and the thrust roller bearing structure is creatively adopted, and the thrust roller bearing is arranged on the tension supporting lug.
Stay cable tension device for eliminating back-twist
The invention discloses a stay cable tension device for eliminating back-twist. The device comprises a stay cable anchor cup, a connector, a nut, a traction steel strand, a tension supporting lug, a thrust roller bearing, a first tool anchor, a first tool anchor limiting component, a tool anchor supporting lug, a hydraulic jack, a second tool anchor and a second tool anchor limiting component, wherein the stay cable anchor cup is connected with the traction steel strand through the connector, the stay cable anchor cup is connected with the tension supporting lug through the nut, the thrust roller bearing is arranged behind the tension supporting lug, the first tool anchor is arranged on the thrust roller bearing, the first tool anchor is connected with the tool anchor supporting lug, the tool anchor supporting lug is connected with the hydraulic jack, and the hydraulic jack is connected with the second tool anchor. According to the invention, the problem of twisting of steel strands caused by back-twist of a large-size ultra-long stay cable in traction and tension processes of the steel strands is solved; and the thrust roller bearing structure is creatively adopted, and the thrust roller bearing is arranged on the tension supporting lug.
Stay cable tension device for eliminating back-twist
GAO HAIAN (author) / SUN XINXI (author) / SHI YIGE (author) / FU DONG (author) / ZHANG ZHAO (author)
2015-11-18
Patent
Electronic Resource
English
IPC:
E01D
BRIDGES
,
Brücken
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