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山东农业大学
毕 业 论 文
题目：马自达6膜片式弹簧离合器设计
院 部 机械与电子工程学院 专业班级 车辆工程1班 届 次 2012届 学生姓名 魏伟 学 号 20081040 指导教师 赵冉
二О一二年六月十日
目录
摘要 ................................................................ I Abstract ........................................................... II 引言 ................................................................ 1 1 膜片式弹簧离合器概述 .............................................. 1 2 离合器结构方案的选取 .............................................. 2 2.1 从动盘数的选择 .................................................. 2 2.2 压紧弹簧的结构形式及布置 ........................................ 3 2.3 压盘的驱动方式 .................................................. 3 2.4 分离轴承的类型 .................................................. 4 2.5 离合器的通风散热 ................................................ 4 3 离合器基本结构参数的确定 .......................................... 5 3.1 后备系数的选择 .................................................. 5 3.2 摩擦片外径、内径和厚度 .......................................... 5 3.3 单位压力 ........................................................ 7 4 离合器的设计计算 .................................................. 7 4.1 离合器从动盘的设计 .............................................. 7 4.1.1 从动盘机构介绍 .............................................. 7 4.1.2 从动盘的设计 ................................................ 7 4.1.3 从动片的选择设计 ............................................ 8 4.1.4 从动盘毂的设计 .............................................. 9 4.1.5 摩檫片的材料选取及与从动片的固紧方式 ....................... 11 4.2 压盘的设计 ..................................................... 12 4.2.1 压盘传力方式的选择 ......................................... 12 4.2.2 压盘几何尺寸的确定 ......................................... 12 4.2.3 离合器盖的设计 ............................................. 13 4.3 离合器操纵机构的设计 ........................................... 13 4.3.1 对离合器操纵机构的要求 ..................................... 13 4.3.2 操纵机构结构形式选择 ....................................... 14 4.3.3 操纵机构的设计与计算 ....................................... 14 4.4 离合器膜片弹簧的设计 ........................................... 16 4.4.1 膜片弹簧的结构特点 ......................................... 16 4.4.2 膜片弹簧变形方式和加载方式 ................................. 16 4.4.3 膜片弹簧的弹性变形特性 ..................................... 16 4.4.4 膜片弹簧基本参数的选择 ..................................... 18 4.4.5 膜片弹簧的计算 ............................................. 20
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5 结论 ............................................................. 24 参考文献 ........................................................... 25 致谢 ............................................................... 26 附录 ............................................................... 27
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Contents
Abstract………………………………………......................................………………II Preface…………………………………………………………….……………………1 1 The diaphragm spring clutch Introduction……………................……………………1 2 The selection of the clutch structure of the program………………...............……2 2.1 Follower plate number of choice………………………………………………2 2.2 Compression spring form of the structure and layout……………………………3 2.3 Platen drive…………………………………………………………………3 2.4 The type of the release bearing………………………..…………………………4 2.5 Ventilation and cooling of the clutch…………………………………4 3 Clutch basic structure of the parameter selection…………………...............……5 3.1 The choice of reserve coefficient……………...............…………………………5 3.2 Friction plate outer diameter,inner diameter and thickness...................................5 3.3 Unit pressure……………………………………........…………………………7
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4 Design calculation of the clutc………………………………………….............…….7 4.1 The design of the clutch plate……………………………………………7
4.1.1 Driven Disk agencies on……………………………………………7 4.1.2 Follower plate design………………………………………………7 4.1.3 Choice of the follower piece design………………………………8 4.1.4 Driven the design of the disc hub…………………...........………………9 4.1.5 Friction film material selection and tighten the way film and
driven…………………………………………………...............………………11 4.2 Pressure plate design……………………………………………............………12
4.2.1 Platen power transmission mode selection………………………12 4.2.2 Pressure plate geometry to determine the size………………................…12 4.2.3 Clutch cover design…………………………………………….........……13 4.3 Clutch mechanism design……………………………………………….......…13
4.3.1 Clutch the requirements of the institutions…………………................…13 4.3.2 Manipulation of the institutional structure to select…….......................…14 4.3.3 Manipulation of institutional design and calculation……......................…14 4.4 The design of the clutch diaphragm spring…………………………..............…16
4.4.1 The structural characteristics of the diaphragm spring….......................…16 4.4.2 Diaphragm spring deformation and load……………………............……16 4.4.3 Elastic deformation properties of the diaphragm spring….....................…16 4.4.3 The choice of the basic parameters of the diaphragm spring…..................18 4.4.4 The calculation of the diaphragm spring………………............…………20 5 Conclusion……………………………………...……………........….....…………24 References………………………………………………………….........…....………25 Acknowledgements…………..………………………………………....……………26 Appendix……………………………………………………………………………...27
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