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汽车电子驻车制动系统(EPB，Electronic Parking Brake)是为提高车辆的可操作性以及驻车安全性而研制的一种线控制动设备。分析了汽车电子驻车制动系统的发展背景、国内国外的发展现状、趋势以及意义，同时分析汽车电子驻车制动系统组成、工作原理、优点与难点。研究满足军用车辆在满载状态下，以中央盘式驻车制动器可靠地停驻在 60%坡道上。设计军用车辆电子驻车制动系统实现的总体方案，详细地分析军用车辆的受力，设计军用车辆关键机械执行部件，包括电机选型、减速器的设计、滚珠丝杠副部件的选型，对减速的相关部件与滚珠丝杠副进行了相关的校核。减速器主要的功能就是降速增扭，滚珠丝杠实现的是把减速器的旋转的运动转化直线运动，通过拉索传递力实现汽车的安全驻车，实现了电子驻车制动系统预期的设计功能。59706
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毕业论文关键词：电子驻车制动系统 中央盘式驻车制动器 减速器 滚珠丝杠副
Title The design of military vehicles electronic parking brake system actuator Abstract Automotive Electronic Parking Brake (EPB, Electronic Parking Brake) is to improve the maneuverability of vehicle and Parking safety and developed a wire control device. Automotive electronic parking brake system are analyzed the development background, domestic and foreign development present situation, trend and significance, and analysis of automotive electronic parking brake system composition, working principle, advantages and difficulties. Research to meet military vehicles under full load condition to the central disc parking brake reliably is parked on a 60% slope. Design a military vehicle electronic parking brake system overall scheme, detailed analysis of the stress of the military vehicle, design a military vehicle key mechanical execution components, including motor selection, the design of the speed reducer, ball screw vice parts selection, to slow down the related parts and the ball screw vice related check. Twisting the reducer's main function is to slow down, ball screw implementation is to put the gear reducer rotation movement into linear motion, through the cable to realize the safety of the car parking, heritability has realized the electronic parking brake system has the function of the expected design.
Key words： Electronic parking brake system The central disc parking brake Gear reducer Ball screw vice
目 次
1. 绪 论 1
1. 1 电子驻车制动技术及其应用现状 . 1
1.2 电子驻车制动技术国内外发展情况和趋势 ... 2
1.3 军用车辆电子驻车制动系统研究的意义和主要内容 .... 4
2. 电子驻车制动系统组成结构和工作原理 . 7
2.1 电子驻车制动系统组成结构以及结构的功用 .... 7
2.2 电子驻车制动系统的工作原理 ..... 8
2.3 电子驻车的相关技术要求.. 8
3.系统总体设计方案 .10
3.1 系统实现方案 .. 10
3.2 系统实现方案的对比与选择 . 13
3.3 本章小结 ..... 15
4.军用车辆电子驻车制动系统的设计计算 16
4.1 中央盘式制动器参数的确定 .. 16
4.2 设计计算... 17
4.3 本章小结 ..... 28
5.校核、键的选择与校核、轴的校核、轴承的校核 .29
5.1 校核 . 29
5.2 键的选择与校核 .... 29
5.3 轴的校核 ..... 31
5.4 轴承寿命的校核 .... 35