Self-locking spiral anchor rod

The utility model relates to a self-locking type spiral anchor rod which comprises an anchor rod body, an inner spiral pipe fitting and three movable rod pieces including a first movable rod piece, a second movable rod piece and a third movable rod piece. The anchor rod body is inserted into the inn...

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Bibliographic Details
Main Authors PENG KAI, GAO BINFENG, ZUO XIAOYAO, ZHANG XINRUI, CHAI JUNHU, YANG JIE
Format Patent
LanguageChinese
English
Published 15.08.2023
Subjects
EMBANKMENTS
EXCAVATIONS
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
UNDERGROUND OR UNDERWATER STRUCTURES
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Summary:The utility model relates to a self-locking type spiral anchor rod which comprises an anchor rod body, an inner spiral pipe fitting and three movable rod pieces including a first movable rod piece, a second movable rod piece and a third movable rod piece. The anchor rod body is inserted into the inner spiral pipe fitting, the anchor rod body and the inner spiral pipe fitting are in threaded fit so that the anchor rod body can be screwed in or out of the inner spiral pipe fitting, the movable rod pieces are arranged on the periphery of the anchor rod body, one end of the first movable rod piece is hinged to the inner spiral pipe fitting, and the other end of the first movable rod piece is hinged to one end of the second movable rod piece. The other end of the second movable rod piece is hinged to the third movable rod piece, and the other end of the second movable rod piece is hinged to the anchor rod body. The anchor rod has the advantages that pressure is gradually increased through the simple threads, the a
Bibliography:Application Number: CN202320768026U