Assembly type external prestressing steel strand anchor head protection device

By designing an assembled external prestressed steel strand anchor head protection device, the problem of lack of effective protection and inability to observe rust in the prior art is solved, and the effect of improving the safety and stability of the prestressed structure is achieved.

CN222685306UActive Publication Date: 2025-03-28ZHEJIANG COMM CONSTR GRP CO LTD +1
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Patent Information

Application Number
CN202420782813.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-16
Publication Date
2025-03-28
Estimated Expiration
2034-04-16

AI Technical Summary

Technical Problem

The existing in vitro prestressed cable anchor head lacks effective protection measures, which makes it difficult to control corrosion and cannot be observed, affecting the durability of the prestressed structure.

Method used

An assembled external prestressed steel strand anchor head protection device is designed, including a protective cover, an anchor plate and a steel bundle. The protective cover is removable and has a working window to observe the rust condition, and enhance the connection strength and stability through the flap and bolt structure.

Benefits of technology

It effectively protects the anchor head part, improves the safety and stability of the prestressed structure, facilitates construction and daily maintenance, can observe the rust situation without complete disassembly, and improves work efficiency.

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Abstract

The utility model discloses a split mounting type external prestressing steel strand anchor head protection device which comprises a protection cover, an anchoring plate and a steel beam. The protective cover is fixedly arranged on one side of the anchoring plate, and one end of the steel beam penetrates through the anchoring plate and is embedded in the protective cover; the protective cover comprises a shell, a fixed cover and a base, the fixed cover and the base are detachably assembled on the two sides of the shell, and a working window is formed in the side, connected with the fixed cover, of the shell. The anchor head part of the steel beam is effectively protected by the protective cover, and the safety and the stability of the prestressed structure are improved; the protective cover comprises a shell, a fixed cover and a base, the fixed cover and the base are detachably assembled on the two sides of the shell, and construction and daily maintenance work are facilitated; the working window on the shell can be used for conveniently observing the corrosion condition of the steel beam after the fixed cover is detached, and the protective cover does not need to be completely detached, so that the working efficiency is improved.
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