An assembled shield segment structure

CN224338996UActive Publication Date: 2026-06-09ZHEJIANG YUHONG CONSTRUCTION ENGINEERING CO LTD +1

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHEJIANG YUHONG CONSTRUCTION ENGINEERING CO LTD
Filing Date
2025-08-29
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

The existing shield tunnel segments have difficulties in positioning during assembly, especially in longitudinal splicing where a large number of bolts are required, resulting in low construction efficiency.

Method used

The design employs a first connecting block, a second connecting block, and a locking rod. It achieves quick locking and positioning through a locking nut, and facilitates longitudinal insertion and positioning through a plug and slot structure, thereby increasing the support strength at the joint.

Benefits of technology

It improves the ease of assembly and splicing strength of tunnel segments, reduces construction time, and enhances the support strength and stability after assembly.

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Abstract

The utility model relates to shield segment technology field, and disclose a kind of assembled shield segment structure, first segment is provided with first outer piece and first inner piece, and first outer piece and first inner piece are fixedly connected with first connecting block and second connecting block between, second segment is provided with second outer piece and second inner piece, and second outer piece and second inner piece are fixedly connected with several third connecting blocks between, and the center position of third connecting block, first connecting block and second connecting block is movably connected with locking rod, through the first connecting block, second connecting block, third connecting block and locking rod of being set, the splicing position of adjacent first segment and second segment can be locked and positioned quickly, and first connecting block, second connecting block, third connecting can increase the support intensity of splicing, and through the plug of first connecting block setting and the slot of second connecting block setting, it is convenient for segment longitudinal plug-in positioning, improve assembly convenience.
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