河南机电高等专科学校毕业设计说明书PAGE\*MERGEFORMAT24目录TOC\o"1-3"\h\z\uHYPERLINK\l"_Toc293239541"引言PAGEREF_Toc293239541\h1HYPERLINK\l"_Toc293239542"1液压千斤顶的结构及组成PAGEREF_Toc293239542\h3HYPERLINK\l"_Toc293239543"1.1液压千斤顶的结构图PAGEREF_Toc293239543\h3HYPERLINK\l"_Toc293239544"1.2液压千斤顶的组成PAGEREF_Toc293239544\h3HYPERLINK\l"_Toc293239545"1.2.1动力元件（油泵）PAGEREF_Toc293239545\h3HYPERLINK\l"_Toc293239546"1.2.2执行元件（油缸、液压马达）PAGEREF_Toc293239546\h3HYPERLINK\l"_Toc293239547"1.2.3控制元件PAGEREF_Toc293239547\h3HYPERLINK\l"_Toc293239548"1.2.4辅助元件PAGEREF_Toc293239548\h4HYPERLINK\l"_Toc293239549"1.2.5工作介质PAGEREF_Toc293239549\h4HYPERLINK\l"_Toc293239550"1.3液压传动的优缺点PAGEREF_Toc293239550\h4HYPERLINK\l"_Toc293239551"1.3.1液压传动的优点PAGEREF_Toc293239551\h4HYPERLINK\l"_Toc293239552"1.3.2液压传动的缺点PAGEREF_Toc293239552\h4HYPERLINK\l"_Toc293239553"2液压千斤顶的原理PAGEREF_Toc293239553\h5HYPERLINK\l"_Toc293239554"2.1液压千斤顶原理图PAGEREF_Toc293239554\h5HYPERLINK\l"_Toc293239555"2.2液压千斤顶的特点PAGEREF_Toc293239555\h6HYPERLINK\l"_Toc293239556"3液压千斤顶结构设计PAGEREF_Toc293239556\h7HYPERLINK\l"_Toc293239557"3.1内管设计PAGEREF_Toc293239557\h7HYPERLINK\l"_Toc293239559"3.2外管设计PAGEREF_Toc293239559\h7HYPERLINK\l"_Toc293239560"3.3活塞杆设计PAGEREF_Toc293239560\h8HYPERLINK\l"_Toc293239561"3.4导向套的设计PAGEREF_Toc293239561\h8HYPERLINK\l"_Toc293239563"3.5液压千斤顶活塞部位的密封PAGEREF_Toc293239563\h10HYPERLINK\l"_Toc293239564"3.6液压千斤顶装配图PAGEREF_Toc293239564\h12HYPERLINK\l"_Toc293239565"4液压千斤顶使用说明书PAGEREF_Toc293239565\h13HYPERLINK\l"_Toc293239566"4.1用途PAGEREF_Toc293239566\h13HYPERLINK\l"_Toc293239567"4.2使用方法PAGEREF_Toc293239567\h13HYPERLINK\l"_Toc293239568"4.3注意事项PAGEREF_Toc293239568\h14HYPERLINK\l"_Toc293239569"5液压千斤顶常见的故障与维修PAGEREF_Toc293239569\h16HYPERLINK\l"_Toc293239570"结论PAGEREF_Toc293239570\h18HYPERLINK\l"_Toc293239571"致谢PAGEREF_Toc293239571\h19