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课程设计说明书论文题目:45t-26m门式起重机设计—金属结构设计系部:机械工程专业:起重运输机械设计与制造班级:起机121学生姓名:石立腾学号:120125127指导教师:安林超目录TOC\o"1-3"\h\z\uHYPERLINK\l"_Toc400800126"第一部分PAGEREF_Toc400800126\h1HYPERLINK\l"_Toc400800127"第一章设计初始参数PAGEREF_Toc400800127\h1HYPERLINK\l"_Toc400800128"1.1基本参数:PAGEREF_Toc400800128\h1HYPERLINK\l"_Toc400800129"1.2选用相关设计许用参数:PAGEREF_Toc400800129\h2HYPERLINK\l"_Toc400800130"第二章初选支腿结构形式PAGEREF_Toc400800130\h3HYPERLINK\l"_Toc400800131"2.1门架结构型式、尺寸及计算截面PAGEREF_Toc400800131\h3HYPERLINK\l"_Toc400800132"第三章载荷计算PAGEREF_Toc400800132\h4HYPERLINK\l"_Toc400800133"3.1垂直作用载荷PAGEREF_Toc400800133\h4HYPERLINK\l"_Toc400800134"3.1.1.自重载荷PAGEREF_Toc400800134\h4HYPERLINK\l"_Toc400800135"3.1.2.移动载荷PAGEREF_Toc400800135\h5HYPERLINK\l"_Toc400800136"3.2水平作用载荷PAGEREF_Toc400800136\h5HYPERLINK\l"_Toc400800137"3.2.1水平惯性力FPAGEREF_Toc400800137\h5HYPERLINK\l"_Toc400800138"3.2.2启动或制动时货物的摆动力TPAGEREF_Toc400800138\h5HYPERLINK\l"_Toc400800139"3.2.3.均布风力PAGEREF_Toc400800139\h6HYPERLINK\l"_Toc400800140"3.2.4小车集中惯性力PAGEREF_Toc400800140\h6HYPERLINK\l"_Toc400800141"3.2.5.小车集中风力PAGEREF_Toc400800141\h6HYPERLINK\l"_Toc400800142"3.2.6.偏斜侧向力PAGEREF_Toc400800142\h6HYPERLINK\l"_Toc400800143"第四章金属结构的总体设计PAGEREF_Toc400800143\h7HYPERLINK\l"_Toc400800144"4.1主梁设计PAGEREF_Toc400800144\h7HYPERLINK\l"_Toc400800145"4.1.1主梁基本尺寸设计PAGEREF_Toc400800145\h7HYPERLINK\l"_Toc400800146"4.1.2主梁截面形式PAGEREF_Toc400800146\h7HYPERLINK\l"_Toc400800147"4.1.3主梁内力计算PAGEREF_Toc400800147\h8HYPERLINK\l"_Toc400800148"4.2主梁应力校核计算PAGEREF_Toc400800148\h13HYPERLINK\l"_Toc400800149"4.3疲劳强度设计计算PAGEREF_Toc400800149\h16HYPERLINK\l"_Toc400800150"4.3.1悬臂根部主腹板下角点疲劳计算PAGEREF_Toc400800150\h17HYPERLINK\l"_Toc400800151"4.3.2悬臂根部腹板上角点(拉应力)疲劳强度计算PAGEREF_Toc400800151\h18HYPERLINK\l"_Toc400800152"4.3.3主梁腹板局部稳定性计算PAGEREF_Toc400800152\h18HYPERLINK\l"_Toc400800153"4.4主梁腹板局部稳定校核PAGEREF_Toc400800153\h18HYPERLINK\l"