论文总字数：21624字

摘 要

减速机是机械传动设备的典型部件，常用在动力机和工作机之间，是机械设备的关键部件。行星减速机由于结构紧凑、效率较高、传递运动准确可靠、使用维护简单，故在现代机器中应用广泛。

通过给定的原始数据，确定传动方案。计算确定行星齿轮传动的传动比、效率以及几何尺寸等重要数据，并最终对数据进行校核。按照设计要求分别对太阳轮、行星轮和行星架的结构进行设计。最后设计减速器的输入、输出轴，确定其材料、许用应力以及尺寸，并对其进行校核。

关键词：行星轮系减速器、减速器、太阳轮、行星架、输入轴、输出轴

Abstract

Reducer is a typical component of mechanical transmission equipment, used in between the engine and the working machine, is a key component of mechanical equipment. Planetary reducer with compact structure, high efficiency, accurate and reliable transmission of motion, simple maintenance, it is widely used in modern machines.

Through the original data given, determining the transmission scheme. Calculation of transmission to determine the planetary gear transmission ratio efficiency and geometry and other important data, and finally to check the data. According to the design requirements of the sun-wheel, planet-wheel and a planet frame structure design. Finally, the output shaft speed input device, the material, the allowable stress and size, and carries on the check.

Keywords: Planet gear train reduction gear, reduction, sun wheel, planet frame, input shaft, output shaft

目 录

摘要··················································································································Ⅰ

ABSTRACT·····································································································Ⅱ

第一章 绪论······································································································1

1.1发展概况···················································································································1

1.2行星齿轮传动的特点·······························································································1

1.3行星齿轮传动的基本类型·······················································································2

第二章 减速器简介··························································································3

第三章 传动系统的方案设计·········································································4

3.1原始数据···················································································································4

3.2传动方案的要求·······································································································4

3.3拟定传动方案···········································································································4

第四章 行星齿轮传动的设计·········································································5

4.1行星齿轮传动比和效率计算··················································································5

4.2行星齿轮传动的配齿计算······················································································5

4.2.1传动比条件·····································································································5

4.2.2同轴条件·········································································································5

4.2.3装配条件·········································································································5

4.2.4邻接条件·········································································································6

4.3行星齿轮传动的几何尺寸和啮合参数计算··························································7

4.4行星齿轮传动强度计算及校核·············································································12

4.4.1名义载荷、使用系数和动载系数·······························································12

4.4.2行星齿轮抗弯疲劳强度计算及校核··························································13

4.4.3行星齿轮接触疲劳强度计算及校核··························································13

第五章 行星齿轮传动的均载机构的设计··················································15

5.1基本构件浮动的均载机构·····················································································15

5.2采用弹性件的均载机构·························································································15

第六章 太阳轮、行星轮和行星架的结构设计············································19

6.1太阳轮的结构设计·································································································19

6.2行星轮的结构设计·································································································19

6.3行星架的结构设计·································································································20

第七章 行星轮系减速器输入、输出轴的设计············································21

7.1减速器输入轴的设计·····························································································21

7.1.1选择材料，确定许用应力············································································21

7.1.2根据扭转强度估算轴径···············································································21

7.1.3确定各轴段的直径和长度··········································································21

7.1.4校核···············································································································21

7.2减速器输出轴的设计·····························································································22

7.2.1选择材料，确定许用应力·············································································22

7.2.2根据扭转强度估算轴径···············································································22

7.2.3确定各轴段的直径和长度··········································································22

7.2.4校核···············································································································23

第八章 设计计算结果列表················································································24

结束语···············································································································25

参考文献···········································································································26

致谢···················································································································28

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