机械CAD设计-螺旋起重器设计说明书.pdf

文档介绍：?????ъ??CAD ?????? QQ 194535455 0 ????????????????仈?: ??: ??: ??: ??: ????: ?????ъ??CAD ?????? QQ 194535455 1 ???????? ?? F=40KN, ? ???儈? h=220mm ? ?????ъ??CAD ?????? QQ 194535455 2 ?????ъ??CAD ?????? QQ 194535455 3 ???а??????о??............................................................................................3 1-1????学????..................................................................................3 1-2??????..............................................................................................3 1-3??????..............................................................................................3 1-4??傼?.....................................................................................................4 1-5??????..............................................................................................4 1-6っ????..................................................................................................5 ??????о??................................................................................................5 2-1??????..............................................................................................6 2-2 ??????儈????????? u ..........................6 2-3 ???????..............................................6 2-4 ????....................................................6 й??????о??............................................................................................7 ??????о??................................................................................................7 4-1????......................................................................................................7 4-2 ???? pL..................................................8 4-3 ???? pd .................................................8 ??????............................................................................................................9 ??????............................................................................................