A fully assembled railway subgrade drainage system

CN224902201UActive Publication Date: 2026-10-27CHENGDU SHUYU TONGTU NEW MATERIAL TECH CO LTD
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Patent Information

Application Number
CN202522615413.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-12-09
Publication Date
2026-10-27
Estimated Expiration
2035-12-09

AI Technical Summary

Technical Problem

第一种方式施工周期长,且受天气影响较大;第二种方式虽然部分预制化,但仍需现场处理缝隙,存在工序交叉和质量控制难度大的问题

Benefits of technology

1.通过将检查井进行PVC注塑成型,并提前预留盲沟连接法兰,现场施工时,首先按图纸进行检查井与盲沟基槽开挖,依次放入盲沟与预制检查井,安装好断面密封圈、连接螺栓,即可完成铁路路基排水系统安装,操作简单便捷。

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Abstract

The application relates to a full-assembly railway roadbed drainage system, belonging to the technical field of railway drainage, which comprises an inspection well, a prefabricated blind ditch, a connecting flange and connecting bolts, the connecting flange is fixedly arranged on the inspection well, the prefabricated blind ditch is provided with an interface matched with the connecting flange at the end, and the connecting bolts pass through the connecting flange to fix the blind ditch on the connecting flange. The application has the effect of improving the construction efficiency of the drainage system.
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