Take spiral bit's prestressed pile

The utility model discloses a take spiral bit's prestressed pile, including stake pole, promotion pipe, promotion sleeve pipe, hob and spiral bit, the stake pole is hollow structure, promotes pipe bottom entry stake pole upper portion, and promotes to be equipped with elastic element between pi...

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Bibliographic Details
Main Authors LIU XIAOJUN, WANG YAOHUA, JIANG BAOGANG, LI SHAOMIN, LU DANQING, WANG QIUHONG, WU HAIJIE, HUO LITUAN
Format Patent
LanguageEnglish
Published 21.10.2015
Subjects
EMBANKMENTS
EXCAVATIONS
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
UNDERGROUND OR UNDERWATER STRUCTURES
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Summary:The utility model discloses a take spiral bit's prestressed pile, including stake pole, promotion pipe, promotion sleeve pipe, hob and spiral bit, the stake pole is hollow structure, promotes pipe bottom entry stake pole upper portion, and promotes to be equipped with elastic element between pipe end cap and the stake rod end head, the hob is established in the stake pole, promote the cover pipe box and establish outside the hob, and promote the cover inside pipe wall be equipped with with hob assorted screw, promote the upper end of pipe box and the lower extreme fixed connection who promotes the pipe, be equipped with thrust bearing on the promotion sleeve pipe, spiral bit establishes in stake pole below, and spiral bit is connected to the hob lower extreme, this take spiral bit's prestressed pile can pierce the rock layer easily, has guaranteed that the prestressed pile pierces the degree of depth on rock layer, saves the pile time, improves pile efficiency.
Bibliography:Application Number: CN20152222060U