【正文】 ................................................ 17 機(jī)械系統(tǒng)的組成 ............................................................................................... 17 第 3 章 升降機(jī)構(gòu)的設(shè)計(jì)計(jì)算 .................................................................................................... 20 驅(qū)動(dòng)系統(tǒng)的設(shè)計(jì) ......................................................................................................... 20 電動(dòng)機(jī)的選擇 ................................................................................................. 20 減速器的選擇 ................................................................................................. 21 制動(dòng)器的選擇 ................................................................................................. 21 傳動(dòng)系統(tǒng)的設(shè)計(jì) ......................................................................................................... 22 開式齒輪的傳動(dòng)設(shè)計(jì) .................................................................................... 22 鏈傳動(dòng)的設(shè)計(jì) ................................................................................................. 26 軸的設(shè)計(jì)與校核 ............................................................................................. 32 結(jié)構(gòu)框架的設(shè)計(jì) ......................................................................................................... 38 聯(lián)軸器和鍵的選擇 ..................................................................................................... 42 軸承的選擇 ................................................................................................................. 44 車輛托盤的設(shè)計(jì) ......................................................................................................... 45 第 4 章 控制系統(tǒng) ........................................................................................................................ 47 結(jié)論 ................................................................................................................................................. 48 致謝 ................................................................................................................................................. 49 參考文獻(xiàn) ........................................................................................................................................ 50 IV CONTENTS Abstract............................................................................................................................................. I Chapter 1 introduction ............................................................................................................... 1 research background and significance............................................................................ 1 research background ................................................................................................. 1 significance of research papers................................................................................ 2 domestic and foreign development situation.................................................................. 3 classification of threedimensional garage ..................................................................... 6 paper main research work ..............................................................................................12 Chapter 2 threedimensional garage scheme and the determination of the general structure design .........................................................................................................13 Threedimensional garage to determine the overall scheme ........................................13 general structure design .................................................................................................16 The working principle of mechanical system ......................................................17 mechanical system position .............................................................................17 Chapter 3 lifting mechanism design calculation.....................................................................20 drive system design ........................................................................................................20 motor choice ...........................................................................................................20 Reducer choice .......................................................................................................21 pruning the choice of the brakes..............................................................................21 transmission system design ............................................................................................22 Open type of gear transmission design....................................................................22 chain design ..............................................................................................................26 The design of the shaft and checking ......................................................................32 The design of the structural framework ........................................................................38 Coupling and key choice................................................................................................42 Bearing choice ................................................................................................................44 The design of the vehicle tray ........................................................................................45 Chapter 4 Control system .............................................................................................................47 conclusion .......................................................................................................................................48 V thanks .................................................................