螺旋千斤顶设计方案班级A05机械（2）姓名金煊学号050101237指导老师章海2007.11目录一千斤顶设计任务分析................................................................................................................31.1千斤顶载荷Q及起重高度L............................................................................................31.2螺旋传动的特点、结构及材料.......................................................................................31.3千斤顶组成......................................................................................................................3二千斤顶总体示意图....................................................................................................................4三各部件参数设定及强度校核.....................................................................................................53.1螺母材料、尺寸的选定及校核.......................................................................................53.1.1螺母材料及尺寸的基本参数...............................................................................53.1.2螺纹牙的强度校核...............................................................................................53.1.3螺纹自锁性校核...................................................................................................63.1.4螺母其他尺寸设定...............................................................................................63.1.5螺母凸缘强度校核...............................................................................................73.2螺杆材料、尺寸的设定及强度校核.............................................................................73.2.1螺杆材料选取及强度计算...................................................................................73.2.2螺杆稳定性校核...................................................................................................83.3底座及机架材料的选定及校核.....................................................................................93.3.1底座及机架基本参数与结构的设定...................................................................93.3.2底座内外径的设定...............................................................................................93.4托杯的材料及尺寸的设定...........................................................................................103.4.1材料及尺寸的设定..............................................................................................103.4.2强度校核..............................................................................................................103.5手柄材料及尺寸的设定...............................................................................................113.5.1手柄材料及长度的选定.....................................................................................113.5.2手柄直径的选定.................................................................................................113.6其他保险零件的选定...................................................................................................113.6.1螺杆及手柄处挡圈及螺杆上端螺钉选取..........................................................113.6.2底座与螺母间紧定螺钉得选取.........................................................................12四设计结果（主要参数列表）.........................................................
