毕业设计（论文）-水轮机结构设计

摘 要本次毕业设计根据水电站的水力参数和要求，确定了水轮机的机型及型号（HL240/D41-LJ-200）。通过选型计算及相应的运行工况分析，绘制出水轮机运转综合特性曲线。在满足选型设计的条件下

毕业设计说明书 摘要 本次毕业设计根据水电站的水力参数和要求，确定了水轮机的机型及型号 HL240/D41-LJ-200 （）。通过选型计算及相应的运行工况分析，绘制出水轮机 , 运转综合特性曲线。在满足选型设计的条件下进行了导水机构运动图的绘制； 进行了水轮机蜗壳水力设计；并绘制了蜗壳水力单线图、尾水管设计、水轮机 结构设计，其中包括水轮机剖面图及导叶加工图，并且建立了活动导叶的三维 模型。最后对蜗壳的强度进行了计算。 关键词：水轮机；选型设计；结构设计；强度计算 Abstract Based on the actual request and hydraulic parameters provided of Songlinpo hydropower station ,the type selection design and structure design were completed. The seleted type of turbine type is HL220/D41-LJ-200. Through the type selection design calculation as well as the corresponding operating situation analysis, designer draws the performance combined characteristic curve of turbine and carries out the corresponding feasibility analysis about the selected runner. After meeting the request of the type selection design, designer goes on guide mechanism motion diagram and the structure hydraulic turbine design, including the hydraulic design of the casing and design of the draft tube, then draws their hydraulic single line drawings, the hydraulic turbine’s assembly drawing and the guide vane drawingand the ， author modeled the 3D model of guide vane. The final task of the design is the intensity calculation of the casing. Key words: Hydraulic TurbineType Selection DesignStructure Design ；；； Intensity Calculation