High-strength, constant-resistance extender for anchorage cables and usage thereof

The invention discloses a high-strength, constant-resistance extender for anchorage cables and usage thereof. The extender comprises a cylindrical sleeve, a wire-drawing die and a cold-drawn rod; the wire-drawing die is a taper die, and is connected with the sleeve through screw threads or high-stre...

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Bibliographic Details
Main Authors WU XUEZHEN, WANG GANG, QIAO WEIGUO, JIANG YUJING
Format Patent
LanguageChinese
English
Published 19.09.2012
Subjects
EARTH DRILLING
EMBANKMENTS
EXCAVATIONS
FIXED CONSTRUCTIONS
FOUNDATIONS
GALLERIES
HYDRAULIC ENGINEERING
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
SOIL SHIFTING
TUNNELS
UNDERGROUND OR UNDERWATER STRUCTURES
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Summary:The invention discloses a high-strength, constant-resistance extender for anchorage cables and usage thereof. The extender comprises a cylindrical sleeve, a wire-drawing die and a cold-drawn rod; the wire-drawing die is a taper die, and is connected with the sleeve through screw threads or high-strength bolts; the cold-drawn rod is a section of reducing metal rod, one end of the cold-drawn rod is a thick section, the other end of the cold-drawn rod is a thin section, a taper section is between the thick section and the thin section, the taper of the taper section is matched with the taper of the wire-drawing die, the thick end of the cold-drawn rod is inserted in the sleeve, and the end of the thin section of the cold-drawn rod passes through the hole of the wire-drawing die; the tail of the sleeve is provided with an external thread which is used for mounting a tray and a locknut, and the end of the thin section of the cold-drawn rod is provided with an external thread which is used for connecting an anchora
Bibliography:Application Number: CN20121139091