一种盾构机尾刷检修方法
By installing frozen steel segments at the tail of the tunnel boring machine and dismantling the tunnel segments in stages, the problem of insufficient safety during tail brush maintenance in existing technologies has been solved, achieving higher construction safety and tunnel sealing.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- CHINA RAILWAY NO 2 ENG GROUP CO LTD
- Filing Date
- 2025-12-22
- Publication Date
- 2026-07-17
AI Technical Summary
Existing methods for inspecting the tail brush of tunnel boring machines pose safety hazards. Relying on freezing and grouting reinforcement for protection is ineffective, leading to a high risk of tunnel leakage.
By installing frozen steel segments at the tail of the shield, the tunnel boring machine excavates and installs shield segments in the direction of large mileage, so that the tail brush part overlaps the outside of the frozen steel segments. The shield segments are removed in stages for maintenance, and the seal is quickly restored after removal, combined with grouting and freezing reinforcement for protection.
It effectively reduces the risk of tunnel leakage, improves the safety and efficiency of tail brush maintenance, and reduces the negative impact on the integrity of the tunnel structure.
Smart Images
Figure CN121382215B_ABST