蜗杆蜗轮机构在手扶拖拉机扶手调节中的应用  

Application of Worm Gearing in Adjusting Handle of Walking Tractor

作　　者：孙家林[1] 张勤河[1] 刘含莲[1] 

机构地区：[1]山东大学机械工程学院,山东济南250061

出　　处：《机械工程师》2001年第9期15-17,共3页Mechanical Engineer

摘　　要：介绍了一种独轮手扶拖拉机扶手调节装置，采用了特殊的蜗杆蜗轮机构，实现了扶手高度的稳定和连 续可调，克服了常用扶手调整机构易打滑和调节间距过大的缺点。阐述了这种蜗杆蜗轮机构的工作原 理，给出了设计要点。An adjusting device for handle of walking tractor is introduced in this paper. A special worm gearing is adapted in this adjusting device. It becomes easy to adjust the handle of walking tractor continually. It overcomes problems of sliding suddenly and being difficult to control the adjusting space at one time in common system. The mechanism of this worm gearing is clarified and key points of designing are given.

关 键 词：蜗杆蜗轮机构 扶手调节 工作原理 手扶拖拉机 

分 类 号：S219.6[农业科学—农业机械化工程] TH132.44[农业科学—农业工程]