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实用新型
CN202824020U 一种环型预埋波纹管孔道的疏通装置 失效 - 放弃

一种环型预埋波纹管孔道的疏通装置
摘要：
一种环型预埋波纹管孔道的疏通装置，涉及隧洞施工领域，通过在半球型磨轮的底部面的中部设有向上凹陷的安装孔（22），其中芯轴（7）连接磨轮，在芯轴中部的外缘面的外部设置有套筒（5），在所述套筒的上端设有导向盘（3），所述芯轴的外缘面通过密封件B（15）和密封件A（4）与导向盘（3）套接形成冷却水通路，芯轴的下端连接软轴，在所述软轴的下端外接动力源形成环型预埋波纹管孔道的疏通装置，本实用新型在施工过程中实现了不破换混凝土的结构，同时本实用新型具有操作简单、移动迅速、钻进速度快而准、维护保养方便等特点，通过本实用新型的实施可大大提高施工效率，节约成本。
摘要（英）：

A ring-shaped embedded bellows pore channel dredge device relates to the field of tunnel construction and is provided with an upwardly recessed mounting hole (22) in the middle of the bottom of the grinding wheel in hemispheric type, wherein a mandrel (7) is connected to the grinding wheel, the external part of the outer peripheral surface in the central section of the mandrel is installed with a sleeve (5) , the upper end of the sleeve is mounted with a guide plate (3), the outer peripheral surface of the mandrel is nested with the guide plate (3) to form a water cooling channel through a sealed member B (15) and a sealed member A (4), the lower end of the mandrel is connected to a flexible shaft and an external source of power is employed in the lower end of the flexible shaft to form the ring embedded bellows pore channel dredge device. The ring-shaped embedded bellows pore channel dredge device does not break the concrete structure in the construction process and has the advantages of being simple in operation, rapid in moving, fast and accurate in drilling and convenient to maintenance. The implementation of the ring-shaped embedded bellows pore channel dredge device greatly improves construction efficiency and saves the costs.

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