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往复 总体 设计 CAD 图纸 PDF

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第 4 页摘 要本课题的研究内容是给煤机的总体设计。本论文论述的给煤机是矿山机械的一个部分。给煤机工作的好坏，取决于给煤机的型号，结构和相关参数。首先，通过计算机软件Visual Basic来进行模拟曲柄滑块机构的运动设计编程来确定的给煤最大速度和加速度；其次，以力学模型为依据，分析了减速器的轴、齿轮,托辊上载荷的作用机理，得到了较为合理的给煤机载荷的计算公式；再次，结合本次设计的给煤机，从平面和空间两方面对减速器的轴、齿轮；托辊等主要结构件进行受力分析；最后对减速器的轴、齿轮；托辊等主要结构件进行强度效核，并画出它们的机械工程图，在完成本设计的过程中，利用理论分析的同时，也采用了许多实际经验，做到理论与实践相结合。关键词：给料机；减速器；曲柄滑块机构；力学特征；强度ABSTRACTThe paper mainly foused on the problem which is design out a type of solution.The solution described is a part of the mining industry equipment in the mine, used for solution of working environment in the locale. It works well or bad at work basing on its solution mode, frame and some parameters. In the first step, the most pace value and acceleration value of some parameters of the Slider-crank Mechanism are determined by using Visual Basic; Secondly, Then on the base of d model of work-surrounding, the load in is decided. The clear in reason expressions of account of solution loading; The next work, with the condition of the design, it is analyzed and calculated by plane and spatial model to the main mechanics of the shaft and gear of the reducer, idler and so on. Finally, it is analyzed by calculation to the main mechanics of the shaft and gear of the reducer, idler and so on. And draw out all the process drawings.During the course of doing the paper, author not only analyses something theoretical, but also adopted a lot of actual experiences. Combining theory and practice. Therefore, the paper possesses theory and practical value, so it measures up the requiring of the nation to the undergraduate.Key words: solution; reducer; Slider-crank Mechanism; mechanics characteristics; strength目 录摘 要1ABSTRACT21、往复式给料机的概述41.1 K型往复式给煤机的用途51.2 K型往复式给煤机的组成51.3 K-4型往复式给煤机的技术参数52、往复式给料机的结构设计82.1给煤机的大小82.2能量耗损的分析10、减速器的设计133.1电动机的选型133.2传动比的分配153.3计算传动装置的运动和动力参数153.4齿轮的设计163.5传动轴的设计293.5.4键的强度校核453.5.5 轴承的校核463.6减速器箱体的结构设计503.7轴承盖选用螺钉联接式轴承盖523.9封油垫材料574、给煤机的零件设计584.1滚轮轴的设计584.2曲柄的设计614.3连杆的设计614.4给煤槽的设计624.5闸门的设计635、主要零件的加工工艺645.1齿轮的加工工艺645.2轴的加工工艺686往复式给煤机的使用、安装、维护、发展趋势726.1往复式给煤机使用中存在的问题726.2往复式给煤机的改进726.3往复式给煤机的安装736.4往复式给煤机的维护736.5往复式给煤机的发展趋势76结 论77参考文献851 徐颧.机械设计手册.北京:机械工业出版社，200185致 谢861、往复式给料机的概述 往复式给煤机在我国煤矿