Title:
STIRRING PILE CONSTRUCTION APPARATUS PROVIDED WITH STIRRING CAGE
Document Type and Number:
WIPO Patent Application WO/2022/057437
Kind Code:
A1
Abstract:
A stirring pile construction apparatus provided with a stirring cage (6). The construction apparatus comprises a pile frame (1), a drill rod (2) is provided on the pile frame (1), the hollowed-out stirring cage (6) is sleeved on the lower portion of the drill rod (2), stirring blades (61) are provided in the stirring cage (6), and the lower portion of the drill rod (2) is provided with drill rod blades (21). The construction apparatus is provided with the stirring cage (6), thus ensuring that the front end of the drill rod (2) does not shake and ensuring vertical downward drilling in a drilling process. The drill rod blades (21) and the stirring blades (61) interact with each other within the range of the stirring cage (6), cement slurry is fully stirred, and the pile-forming effect is good.
Inventors:
SONG WEIMIN (CN)
LIU QUANLIN (CN)
SONG XUEQING (CN)
SHENG XIAOXING (CN)
LIU QUANLIN (CN)
SONG XUEQING (CN)
SHENG XIAOXING (CN)
Application Number:
PCT/CN2021/107744
Publication Date:
March 24, 2022
Filing Date:
July 22, 2021
Export Citation:
Assignee:
SHANGHAI QIANGJIN FOUND ENGINEERING CO LTD (CN)
International Classes:
E02D5/44; E02D7/00; E02D5/46; E21B3/02; E21B7/04; E21B15/00; E21B15/04; E21B17/00; E21B19/08
Foreign References:
| EP1600560A1 | 2005-11-30 | |||
| CN201137093Y | 2008-10-22 | |||
| CN111945728A | 2020-11-17 | |||
| CN113404428A | 2021-09-17 | |||
| CN112627186A | 2021-04-09 | |||
| CN212506260U | 2021-02-09 | |||
| CN112627174A | 2021-04-09 | |||
| CN204456083U | 2015-07-08 | |||
| CN202280426U | 2012-06-20 |
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