目录
摘要
Abstract
第一章引言 (1)
1.1机械无级变速的发展概况 (1)
1.2机械无级变速器的特征及应用 (1)
1.3国内机械无级变速器的研究现状 (2)
1.4钢球外锥式无级变速器简介 (3)
1.5毕业论文设计内容及要求 (4)
第二章主要零件的计算与设计 (5)
2.1 钢球与主、从动锥轮的计算与设计 (5)
2.2 加压盘的计算与设计 (8)
2.3 调速齿轮上变速曲线槽的计算与设计 (9)
2.4 输入、输出轴的计算与设计 (10)
2.5 输入、输出轴上轴承的计算与设计 (11)
2.6 输入、输出轴上端盖的计算与设计 (11)
2.7 调速机构的计算与设计 (11)
2.8 无级变速器的装配 (13)
第三章主要零件的校核 (14)
3.1 输入、输出轴的校核 (14)
3.2 轴承的校核 (16)
总结 (18)
参考文献 (19)
钢球锥轮式无级变速器的设计
摘要：机械无级变速器能够适应不断变化的工艺要求，工艺开发和机械化的一般驱动器提高了设备的机械性能和自动化。本文描述的机械摩擦无级变速器，设计计算的方法，材料和润滑等的知识的基本结构，以及作为该无级变速器设计的理论基础。
这种设计是通过改变球的半径来实现球锥轮无级变速器的输出轴速度的连续变化用作中间球锥形轮驱动部件，工作。本文分析了主，从动轮，球和外工程和在传输过程中的传力之间的关系;实际CVT球锥轮设计公式的详细推导;和选择用于计算具体的设计参数的设计;绘制的零件图计算出的CVT球锥轮装配图和主传动组件，此传输技术的结构和要求的其它方面表现更清晰。
该无级变速器具有良好的结构和性能上的优势，具有很强的实用价值，可作为大规模生产的无级变速器。其主要特点是：1、调速范围宽; 2、良好的恒功率特性; 3、可以上升，减速，正，反转。
4、光滑，耐冲击性强;
5、输出功率较大;
6、寿命长;
7、速简单，可靠;
8、维护方便。
关键词：无级变速器、摩擦式、钢球锥轮式、设计
Ball wheel cone design CVT
Abstract:Mechanical continuously variable transmission to adapt to changing process requirements , process development and the general drive to improve the mechanical properties of mechanization and automation equipment. Mechanical friction CVT described herein , design and calculation methods , materials and lubrication of the basic structure of knowledge , as well as the CVT design theories.
This design is continuously varied by changing the radius of the sphere to achieve the goals cone round CVT output shaft speed of the ball as an intermediate conical wheel drive parts, work . This paper analyzes the relationship between the driving and driven wheels , balls and external works and power transmission during transmission between ; detailed derivation of the actual CVT ball cone wheel design formulas ; and selection of design parameters used to calculate the specific design ; drawn parts diagram calculated CVT ball cone wheel assembly drawing and the main transmission components , other aspects of the performance of this transmission technology architecture and requirements clearer.
The CVT has a good structure and performance advantages , has a strong practical value , can be used as mass production CVT. Its main features are: wide speed range ; 2 good constant power characteristics ; 3 can rise , deceleration, positive and reverse . 4 .. smooth,
high impact resistance ; larger 5 output power ; 6 , long life ; 7-speed is simple, reliable ; 8 , easy maintenance .
Keywords:CVT、Friction、Ball Cone Wheel、
Design
