西南科技大学应用型自考毕业设计（论文）目录TOC\o"1-4"\h\z\uHYPERLINK\l"_Toc256448716"1绪论PAGEREF_Toc256448716\h1HYPERLINK\l"_Toc256448717"1.1电梯设计背景PAGEREF_Toc256448717\h3HYPERLINK\l"_Toc256448718"1.1.1电梯的发展PAGEREF_Toc256448718\h3HYPERLINK\l"_Toc256448719"1.1.2电梯的分类PAGEREF_Toc256448719\h3HYPERLINK\l"_Toc256448720"1.1.3电梯的主要组成部分PAGEREF_Toc256448720\h5HYPERLINK\l"_Toc256448721"1.1.4电梯的安全保护装置PAGEREF_Toc256448721\h5HYPERLINK\l"_Toc256448722"1.2电梯的设计平台PAGEREF_Toc256448722\h5HYPERLINK\l"_Toc256448723"1.2.1元器件总的选择原则PAGEREF_Toc256448723\h6HYPERLINK\l"_Toc256448724"2方案论证部分PAGEREF_Toc256448724\h7HYPERLINK\l"_Toc256448725"2.1传动方案论证PAGEREF_Toc256448725\h7HYPERLINK\l"_Toc256448726"2.1.1卷绕式传动PAGEREF_Toc256448726\h7HYPERLINK\l"_Toc256448727"2.1.2电气控制运用PAGEREF_Toc256448727\h7HYPERLINK\l"_Toc256448728"2.2电梯控制方案PAGEREF_Toc256448728\h8HYPERLINK\l"_Toc256448729"2.2.1常见的控制方法PAGEREF_Toc256448729\h8HYPERLINK\l"_Toc256448730"2.2.2PLC程序的设计PAGEREF_Toc256448730\h9HYPERLINK\l"_Toc256448731"2.3PLC的基本概念PAGEREF_Toc256448731\h9HYPERLINK\l"_Toc256448732"2.3.1PLC的特点PAGEREF_Toc256448732\h9HYPERLINK\l"_Toc256448733"2.3.2PLC的基本结构PAGEREF_Toc256448733\h11HYPERLINK\l"_Toc256448734"2.3.3PLC的工作原理PAGEREF_Toc256448734\h12HYPERLINK\l"_Toc256448735"2.4电梯控制系统PAGEREF_Toc256448735\h13HYPERLINK\l"_Toc256448736"2.4.1PLC选型PAGEREF_Toc256448736\h13HYPERLINK\l"_Toc256448737"2.4.2PLC控制电梯的优点PAGEREF_Toc256448737\h13HYPERLINK\l"_Toc256448738"2.4.3电梯运行图PAGEREF_Toc256448738\h13HYPERLINK\l"_Toc256448739"3电梯结构设计PAGEREF_Toc256448739\h16HYPERLINK\l"_Toc256448740"3.1电梯曳引机的选用PAGEREF_Toc256448740\h16HYPERLINK\l"_Toc256448741"3.2电梯轿厢的设计PAGEREF_Toc256448741\h16HYPERLINK\l"_Toc256448742"3.3电梯导向系统设计PAGEREF_Toc256448742\h17HYPERLINK\l"_Toc256448743"3.4电梯门系统的设计PAGEREF_Toc256448743\h17HYPERLINK\l"_Toc256448745"3.5钢丝绳的选用PAGEREF_Toc2564