Prefabricated part non-rib-out connecting device

By pre-embedding the first and second embedded parts in the factory and using bolt assemblies on site to achieve mechanical locking connection of prefabricated components, the problems of difficulty in avoiding steel bars and long occupancy period of lifting equipment were solved, and efficient and safe connection of prefabricated components was achieved, thereby improving construction progress and project quality.

CN120700997APending Publication Date: 2025-09-26中建五局第三建设有限公司
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Patent Information

Application Number
CN202511011747.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Priority Date
2025-06-25
Filing Date
2025-07-22
Publication Date
2025-09-26

AI Technical Summary

Technical Problem

In the existing prefabricated component connection method, it is difficult to avoid steel bars, the lifting equipment occupancy period is long, and the quality of the connection nodes is unstable, leading to problems with construction progress and safety.

Method used

A non-reinforced connection device for prefabricated components is used. By pre-embedding the first and second embedded parts in the factory, a mechanical locking connection is achieved using bolt assemblies on site to form a reliable prefabricated structure, avoid interference with steel bars, and simplify the construction process.

Benefits of technology

It improves installation efficiency and quality, reduces construction difficulty, reduces project costs, improves construction progress and safety, and avoids structural stress problems caused by unreasonable steel bar arrangement.

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Abstract

A prefabricated part non-rib-out connecting device comprises a first embedded part, a second embedded part and a connecting part, the embedded end of the first embedded part is embedded in a first prefabricated part, the connecting end of the first embedded part extends out of the first prefabricated part, the embedded end of the second embedded part is embedded in a second prefabricated part, and the connecting end of the second embedded part extends out of the first prefabricated part. The connecting end of the second embedded part extends out of the second prefabricated part, in the assembling state, the connecting end of the second embedded part is supported on the connecting end of the first embedded part in the vertical direction to achieve middle bearing and lower bearing and inserting of the first embedded part and the second embedded part, and the connecting part is used for connecting the upper portions of the first embedded part and the second embedded part to achieve upper pulling connection; according to the device, the situation that hoisting time is continuously occupied due to steel bar interference can be avoided, the construction procedures of component positioning, fixing, supporting and the like can be reduced, the project constructability is remarkably improved, the construction period is shortened, and meanwhile effective control over the project construction cost and quality is facilitated.
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