目  录
 
第一章 前言··································································1
第二章 起落架机构设计··························································2
   2.1 起落架设计概况·························································2
        2.1.1 起落架的设计要求···················································2
        2.1.2起落架的外载荷······················································4
        2.1.3 起落架的布置型式····················································5
   2.2 总体方案的设计························································5
        2.2．1 小鹰500飞机起落架特点··········································5
        2.2．2起落架结构型式····················································6
        2.2．3起落架缓冲装置的选择·············································8
        2.2．4前起落架转弯系统·················································10
        2.2．5起落架转作动筒的选择············································13
        2.2．6起落架轮胎的选择·················································15
   2.3 参数计算·········································································15       
        2.3．1起落架载荷的计算·················································15
        2.3．2起落架强度的校核············································31
        2.3．3机构运动简图··················································32
第三章 液压系统设计·······························································34
3．1 液压系统设计概况····································································34
3．2 液压系统设计指标及要求···························································34
3．3 液压系统原理图设计与参数估算················································· 37
3.3.1 收放系统概述······························································· 37
3.3.2 工作原理图·································································· 37
3.3.3 液压系统原理方案说明····················································38
3.4 系统主要参数的确定与估算························································ 39
3.4.1液压油的选择·································································39
3.4.2 系统工作压力等级与工作温度范围·····································39
3.4.3 确定执行机构参数··························································40
3.4.3.1 液压缸设计·······················································40
3.4.3.2 确定液压泵参数·················································45
结论·············································································48
致谢·········································································49
参考文献······································································50