Pipe drawing device of dam dam body pore -forming

The utility model relates to a pipe drawing device of dam dam body pore -forming, its characterized in that: it includes a steel tube drawing, lifts by crane the tripod, steel tube drawing top certaindistance leave the helping hand and rotatory and promote the hole, the taper is processed into to st...

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Bibliographic Details
Main Authors NING SUQING, LUO KUNDONG, LYU SHIHUI, KONG MAIQUN
Format Patent
LanguageChinese
English
Published 16.01.2018
Subjects
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
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Summary:The utility model relates to a pipe drawing device of dam dam body pore -forming, its characterized in that: it includes a steel tube drawing, lifts by crane the tripod, steel tube drawing top certaindistance leave the helping hand and rotatory and promote the hole, the taper is processed into to steel tube drawing bottom, the earrings is lifted by crane at steel tube drawing top, should lift bycrane the earrings and be connected with the hand -drive block that lifts by crane on the tripod. Low, the dependable performance, simple to use of the device cost, convenient operation, installationrate are fast, and the preparation material can have enough to meet the need and recycle basically all once more. The processing preparation and the time of demolising are short, and technology is simple and convenient, and constructor easily masters. Promotion process tube drawing can keep relatively stable, and it is effectual to be under construction. 本实用新型是种大坝坝体成孔的拔管装置，其特征在于：它包括根钢拔管、起吊三角架，所述的钢拔管顶部定距离留有助力旋转及提升孔，钢拔管底部加工成锥
Bibliography:Application Number: CN20172425775U