带式运输机地展开式二级圆柱齿轮减速器

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1、实用标准文案展开式二级圆柱齿轮减速器(二)1.设计题目用于带式运输机的展开式二级圆柱齿轮减速器。传动装置简图如右图所示。(1)带式运输机数据见数据表格。(2)工作条件单班制工作，空载启动，单向、连续运转，工作中有轻微振动。运输带速度允许速度误差为±5%。(3)使用期限工作期限为十年，检修期间隔为三年。(4)生产批量及加工条件小批量生产。2.设计任务1)选择电动机型号；2)确定带传动的主要参数及尺寸；3)设计减速器；4)选择联轴器。3.具体作业1)减速器装配图一张；2)零件工作图二张（大齿轮，输出轴）；3)设计说明书一份。4.数据表运输带工作拉力F/N1900180016002

2、200225025002450190022002000运输带工作速度v/(m/s)1.31.351.41.451.51.31.351.451.51.55运输带滚筒直径D/mm250260270280290300250260270280精彩文档实用标准文案目录第一章绪论····································41.1选题的目的和意义··························41.2研究的内容及选用方法······················4第二章设计要求·································4第三章传动

3、系统的整体设计······················53.1选择电动机·································53.1.1类型····································5精彩文档实用标准文案3.1.2电动机容量选择··························53.1.3电动机的转速选择························63.2传动比分配································63.3计算传动装置的运动和动力参数···············7第四章传动零件设计·····

4、························84.1V带传动的设计······························84.1.1V带的基本参数···························84.1.2带轮结构的设计··························11精彩文档实用标准文案4.2齿轮传动设计（高速级）······················114.2.1选定齿轮类型、精度等级、材料及齿数·····114.2.2按齿面强度设计·························114.2.3按齿根弯曲强度设计···············

5、······134.3齿轮传动设计（低速级）·····················154.3.1选定齿轮类型、精度等级、材料及齿数····154.3.2按齿面强度设计·························154.3.3按齿根弯曲强度设计·····················174.3.4斜齿轮各参数的确定·····················19第五章各轴设计方案精彩文档实用标准文案····························215.1轴的设计··································215.2中间轴的设计及轴承的

6、选取··················225.3中间轴的受力和弯矩图······················225.4高速轴的设计及联轴器的选取················265.5低速轴的设计及联轴器的选取················27第六章减速器箱体与附件的设计···················27第七章润滑与密封·······························29第八章设计小结·································29参考文献精彩文档实用标准文案································

7、········30第一章绪论1.1选题的目的和意义减速器是指原动机与工作机之间独立封闭式传动装置，用来降低转速并相应地增大转矩。此外，在某些场合，也有用作增速的装置，并称为增速器。减速器的种类很多，这里我们涉及圆柱齿轮组成的减速器，最普遍的是展开式二级圆柱齿轮减速器，它是两级减速器中最简单、应用最广泛的一种。二级圆柱齿轮减速器分为展开式、分流式、同轴式，i=8~40，用斜齿、直齿、人字齿。两级大齿轮直径接近，有利于浸油润滑。轴线可以水平、上下、垂直布置。它的齿轮相对于支撑位置不对称，当轴产生变形时，载