全地形山地车差速器设计
摘要
在机械的设计与制造中,差速器是一个重要的组成部分,差速器是驱动轿的主件。它的作用就是在向两边半轴传递动力的同时,允许两边半轴以不同的转速旋转,满足两边驱动轮尽可能以纯滚动的形式作不等距行驶,减少驱动轮与地面的摩擦。本课题针对全地形山地车差速器的设计展开研究,设计一台全地形山地车差速器,涉及一种履带式全地形车,其被借助于内燃机驱动的、一对并行的环形履带完全支撑、驱动和转向。转向装置设置为用于控制履带之间的差速,以使车辆转向。在驾驶员坐椅的前方,操纵柄枢转地安装至车身上,以通过操纵柄的旋转来使车辆转向。
本课题研究的的主要内容:
(1)差速器研究的背景;
(2)查阅相关资料,掌握差速器的工作原理,确定相关参数;
(3)绘制全地形山地车差速器原理图,对系统设计计算、选型;
(4)运用强大的三维软件对设计的差速器进行建模,并运用AutoCAD绘制全地形山地车(履带车)总装图及部分零件图;
关键词:山地车;差速器;设计;SOLIDWORK
Abstract
I
n mecha
nical desig
n a
nd ma
nufacturi
ng, differe
ntial is a
n importa
nt compo
ne
nt of the drivi
ng axle, differe
ntial is mai
n parts. Its role is to both sides half shaft tra
nsmissio
n i
n power at the same time, allowi
ng both sides i
n a differe
nt speed half shaft rotatio
n, satisfy both sides drivi
ngwheel as the form of pure rolli
ng ca
n't do isometric drivi
ng, reduce the drivewheels a
nd the surface frictio
n. This essay a
nalyzes the desig
n of all-terrai
n mou
ntai
n bike differe
ntial lau
nched research, desig
n a all-terrai
n mou
ntai
n bike differe
ntials, dealswith a caterpillar all-terrai
nvehicle, drive
n by the i
nter
nal combustio
n e
ngi
ne, a parallel a
n
nular crawler fully supporti
ng, drives a
nd steeri
ng. Steeri
ng device set to used to co
ntrol the differe
ntial betwee
n caterpillar, to make thevehicle steeri
ng. I
n fro
nt of the pilot, co
ntrol ha
ndle chair bar
nado i
nstall to tur
n o
n,with car through ma
nipulatio
n of rotati
ng ha
ndle to makevehicles. This topic research mai
n co
nte
nts: (1) differe
ntial research backgrou
nd; (2) refer to the releva
nt material, grasps theworki
ng pri
nciple, determi
ne reviewd.the related parameters; (3) re
nderi
ng all-terrai
n mou
ntai
n bike differe
ntial pri
nciple diagram, the system desig
n a
nd calculatio
n, selectio
n; (4) use powerful 3d software to desig
n of differe
ntial modeli
ng a
nd re
nderi
ng usi
ng AutoCAD all-terrai
n mou
ntai
n bike(caterpillarvehicles) assembly drawi
ng a
nd parts graph; Keywords: mou
ntai
n bike; Differe
ntial; Desig
n; SOLIDWORK 目录 摘要3 Abstract 4 第一章前言5 1.1全地形山车的简介5 1.2差速器的概述7 1.3差速器的种类及工作原理8 1.3.1普通圆锥齿轮差速器及工作原理8 1.3.2抗滑差速器及工作原理12 1.4本课题研究的内容14 第二章全地形山地车差速器选型及计算16 2.1引言16 2.2三种差速器的性能比较17 2.2.1牵引特性17 2.2.2动力特性17 2.2.3受力状况18 2.2.4驱动轮的磨损18 2.2.5通过性能18 2.2.6工艺性能19 2.3全地形山地车差速器的选型19 2.3.1对称式圆锥行星齿轮差速器的结构19 2.3.1对称式圆锥行星齿轮差速器的工作原理20 第三章差速器的基本参数的选择和设计计算22 3.1行星齿轮差速器的确定22 3.1.1行星齿轮数目的选择22 3.1.2行星齿轮球面半径的确定22 3.1.3预选其节锥距22 3.1.4行星齿轮与半轴齿轮齿数的选择22 3.1.5行星齿轮节锥角、模数和节圆直径的初步确定23 3.1.6大端模数及节圆直径的计算23 3.1.7压力角23 3.1.8行星齿轮安装孔直径及其深度的确定23 3.2差速器直齿锥齿轮的几何尺寸计算24 3.3差速器直齿锥齿轮的强度计算26 3.5差速器齿轮的材料27 3.6行星齿轮跟半轴齿轮的图形27 3.7从动轮与差速器壳联接螺栓计算29 3.8十字轴的强度校核30 3.9全地形山地车差速器的总装配模型32 结论34 参考文献35 致谢36
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n mecha
nical desig
n a
nd ma
nufacturi
ng, differe
ntial is a
n importa
nt compo
ne
nt of the drivi
ng axle, differe
ntial is mai
n parts. Its role is to both sides half shaft tra
nsmissio
n i
n power at the same time, allowi
ng both sides i
n a differe
nt speed half shaft rotatio
n, satisfy both sides drivi
ngwheel as the form of pure rolli
ng ca
n't do isometric drivi
ng, reduce the drivewheels a
nd the surface frictio
n. This essay a
nalyzes the desig
n of all-terrai
n mou
ntai
n bike differe
ntial lau
nched research, desig
n a all-terrai
n mou
ntai
n bike differe
ntials, dealswith a caterpillar all-terrai
nvehicle, drive
n by the i
nter
nal combustio
n e
ngi
ne, a parallel a
n
nular crawler fully supporti
ng, drives a
nd steeri
ng. Steeri
ng device set to used to co
ntrol the differe
ntial betwee
n caterpillar, to make thevehicle steeri
ng. I
n fro
nt of the pilot, co
ntrol ha
ndle chair bar
nado i
nstall to tur
n o
n,with car through ma
nipulatio
n of rotati
ng ha
ndle to makevehicles. This topic research mai
n co
nte
nts: (1) differe
ntial research backgrou
nd; (2) refer to the releva
nt material, grasps theworki
ng pri
nciple, determi
ne reviewd.the related parameters; (3) re
nderi
ng all-terrai
n mou
ntai
n bike differe
ntial pri
nciple diagram, the system desig
n a
nd calculatio
n, selectio
n; (4) use powerful 3d software to desig
n of differe
ntial modeli
ng a
nd re
nderi
ng usi
ng AutoCAD all-terrai
n mou
ntai
n bike(caterpillarvehicles) assembly drawi
ng a
nd parts graph; Keywords: mou
ntai
n bike; Differe
ntial; Desig
n; SOLIDWORK 目录 摘要3 Abstract 4 第一章前言5 1.1全地形山车的简介5 1.2差速器的概述7 1.3差速器的种类及工作原理8 1.3.1普通圆锥齿轮差速器及工作原理8 1.3.2抗滑差速器及工作原理12 1.4本课题研究的内容14 第二章全地形山地车差速器选型及计算16 2.1引言16 2.2三种差速器的性能比较17 2.2.1牵引特性17 2.2.2动力特性17 2.2.3受力状况18 2.2.4驱动轮的磨损18 2.2.5通过性能18 2.2.6工艺性能19 2.3全地形山地车差速器的选型19 2.3.1对称式圆锥行星齿轮差速器的结构19 2.3.1对称式圆锥行星齿轮差速器的工作原理20 第三章差速器的基本参数的选择和设计计算22 3.1行星齿轮差速器的确定22 3.1.1行星齿轮数目的选择22 3.1.2行星齿轮球面半径的确定22 3.1.3预选其节锥距22 3.1.4行星齿轮与半轴齿轮齿数的选择22 3.1.5行星齿轮节锥角、模数和节圆直径的初步确定23 3.1.6大端模数及节圆直径的计算23 3.1.7压力角23 3.1.8行星齿轮安装孔直径及其深度的确定23 3.2差速器直齿锥齿轮的几何尺寸计算24 3.3差速器直齿锥齿轮的强度计算26 3.5差速器齿轮的材料27 3.6行星齿轮跟半轴齿轮的图形27 3.7从动轮与差速器壳联接螺栓计算29 3.8十字轴的强度校核30 3.9全地形山地车差速器的总装配模型32 结论34 参考文献35 致谢36
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