A steel casing connection structure facilitating partial extraction

CN224378864UActive Publication Date: 2026-06-19CHINA RAILWAY GUANGZHOU ENG GRP CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHINA RAILWAY GUANGZHOU ENG GRP CO LTD
Filing Date
2025-04-30
Publication Date
2026-06-19

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Abstract

The application discloses a steel casing connection structure facilitating partial pulling-out, relates to the technical field of pile foundation construction, and comprises a steel casing body inserted into a foundation, a connecting plate one arranged at the top end of the steel casing body and used for connecting a next section of the steel casing body punched into the foundation, and a connecting plate two fixedly connected with the inner ring side wall of the steel casing body and corresponding to the connecting plate one.
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