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发明公开
CN104278994A 适应软土层的盾构机刀盘 无效 - 撤回

适应软土层的盾构机刀盘
摘要：
本发明的目的在于提供一种改进的盾构刀盘，以增强盾构机在软弱地层中的适应性。为实现所述目的的适应软土层的盾构机刀盘，包括多根辐条以及刀盘周全结构，其特征在于，在辐条的各间隔区域增加楔形面板，以减小刀盘开口率；在楔形面板内弧侧增加加强环梁，加强环梁的两端和辐条连接，楔形面板外弧侧与刀盘周圈结构连接。
摘要（英）：

The invention aims to provide a shield machine cutterhead adaptive to a soft soil layer. The shield machine cutterhead is used for improving the adaptability of a shield machine in soft stratums. In order to achieve the purpose, the shield machine cutterhead adaptive to the soft soil layer comprises a plurality of spokes and a cutterhead circumferential ring structure. The shield machine cutterhead adaptive to the soft layer is characterized in that wedge-shaped panels are additionally arranged on the spaced areas of the spokes to reduce the aperture opening ratio of the cutterhead, reinforcing ring beams are additionally arranged on the inner arc sides of the wedge-shaped panels, the two ends of each reinforcing ring beam are connected with the corresponding spoke, and the outer arc sides of the wedge-shaped panels are connected with the cutterhead circumferential ring structure.

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