ZA202204320B - A pile hole protection device used for rotary drilling pile construction - Google Patents

A pile hole protection device used for rotary drilling pile construction

Info

Publication number
ZA202204320B
ZA202204320B ZA2022/04320A ZA202204320A ZA202204320B ZA 202204320 B ZA202204320 B ZA 202204320B ZA 2022/04320 A ZA2022/04320 A ZA 2022/04320A ZA 202204320 A ZA202204320 A ZA 202204320A ZA 202204320 B ZA202204320 B ZA 202204320B
Authority
ZA
South Africa
Prior art keywords
pile
protection device
device used
rotary drilling
hole protection
Prior art date
Application number
ZA2022/04320A
Other languages
English (en)
Inventor
Weiyong Li
Chengkai Xu
Hai Wang
Hailong Zhao
Jie Yu
Yuexin Tang
Dawang Huo
Original Assignee
China Construction Second Engineering Bureau Ltd
The First Construction Eng Company Ltd Of China Construction Second Eng Bureau
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Construction Second Engineering Bureau Ltd, The First Construction Eng Company Ltd Of China Construction Second Eng Bureau filed Critical China Construction Second Engineering Bureau Ltd
Publication of ZA202204320B publication Critical patent/ZA202204320B/en

Links

ZA2022/04320A 2022-03-18 2022-04-19 A pile hole protection device used for rotary drilling pile construction ZA202204320B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220591583.XU CN216811614U (zh) 2022-03-18 2022-03-18 一种用于旋挖桩施工的桩孔防护装置

Publications (1)

Publication Number Publication Date
ZA202204320B true ZA202204320B (en) 2022-06-29

Family

ID=82044622

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2022/04320A ZA202204320B (en) 2022-03-18 2022-04-19 A pile hole protection device used for rotary drilling pile construction

Country Status (2)

Country Link
CN (1) CN216811614U (zh)
ZA (1) ZA202204320B (zh)

Also Published As

Publication number Publication date
CN216811614U (zh) 2022-06-24

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