摘要 倾转翼飞机其结构主要包括旋翼轴、旋转发动机、摆动发动机、摆动传动系等。具有一般的飞机所不具有的机动性和灵活性，因此被广泛的应用于军事和民用领域，是未来先进航空器进步的一种方向。 本次设计结合所给的性能指标参数，拟定了一种倾转翼飞机倾转机构的总体设计方案，详细计算倾转翼飞机倾转驱动机构中各个部件性能参数，确定各个部件的几何结构尺寸以及确定出各部分零件的主要结构参数，具有实际意义。 关键词：倾转翼；双自由度转动；摆动传动 Desig
n of tilti
ng drive mecha
nism for a tilti
ng wi
ng aircraft Abstract Tilti
ng wi
ng aircraft is a
new type of aircraft which i
ntegrates fixed wi
ng a
nd helicopter. It has the ability of
normal helicopter to take off a
nd la
nd vertically a
nd hover i
n the air. It also has the ability of high-speed cruise of turboprop aircraft a
nd has stro
ng ma
neuverability. Its structure mai
nly i
ncludes rotor shaft， rotary e
ngi
ne， swi
ng e
ngi
ne， swi
ng tra
nsmissio
n system， etc. I
n this desig
n， combi
ned with the give
n performa
nce i
ndex parameters， the overall desig
n scheme of the tilti
ng mecha
nism of the tilti
ng wi
ng aircraft is draw
n up. The performa
nce parameters of each compo
ne
nt i
n the tilti
ng drivi
ng mecha
nism of the tilti
ng wi
ng aircraft are calculated i
n detail， a
nd the geometric structure dime
nsio
ns of each compo
ne
nt a
nd the mai
n structural parameters of each part are determi
ned， which has practical sig
nifica
nce. Keywords:Tilti
ng wi
ng； two degree of freedom rotatio
n； swi
ng tra
nsmissio
n 目录 1引言5 1.1选题背景5 1.2国内外研究现状6 1.3研究思路8 2设计要求与方案确定9 3传动系统计算11 3.1已知条件11 3.2设计计算11 3.4传动部锥齿轮设计计算17 4零件校核24 4.1齿轮强度验算24 4.2齿轮轴的校核27 4.2.1受力分析27 4.2.2校核轴的强度29 5结论30 1引言 1.1选题背景 倾转旋翼机是将直升机及固定翼无