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全断面岩石掘进机破岩作业过程中,刀盘的弹性变形是振动大、盘形滚刀破岩作业效能下降的主要原因之一。在分析刀盘结构的基础上,提出并建立了全断面岩石掘进机刀盘的弹性变形模型;考虑刀盘中心一般设置中心滚刀,从而将刀盘看成非连续弹性薄板,并以刀盘支撑为夹支及其边缘自由为边界条件,对刀盘弹性变形模型进行了求解。通过实例应用,发现了全断面岩石掘进机破岩作业过程刀盘弹性变形的不均匀性,从而提出了曲面刀盘的概念并提出此曲面刀盘可在刀盘设计、研制过程中实现,从而为增加刀盘刚度、降低全断面岩石掘进机破岩作业振动及提高盘形滚刀破岩作业效能的刀盘设计提供了借鉴。
Full-face rock tunnel boring machine rock breaking operation, the elastic deformation of the cutter is one of the main reasons for the vibration, disk-shaped rock breaking rock work efficiency decline. Based on the analysis of the structure of cutterhead, the elastic deformation model of cutterhead for full face rock tunneling machine is proposed and established. The cutterhead is generally considered as a non-continuous elastic plate considering the center of cutterhead, The support is the condition of the free end of the clamp and its boundary, and the elastic deformation model of the cutterhead is solved. Through the application of the example, the inhomogeneity of cutterhead elastic deformation in rock breaking operation of full face rock tunneling machine was found, and the concept of curved cutterhead was put forward and put forward that this cutterhead can be realized in cutterhead design and development process In order to increase the rigidity of the cutterhead, reduce the vibration of rock breaking in the full face rock tunnel boring machine and to provide the cutterhead design which can improve the performance of the disc cutter rock breaking.