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1、II 辽宁科技大学本科生毕业设计130T推钢机设计摘要我设计的为机械式推钢机,它结构简单,传动效率高,整体尺寸合适,维修方便造价便宜等特点。本文具体包括轧制工艺过程和自动化控制简介,推钢机的分类和结构特点传动方案的传动和拟定,电动机的选择与校核、减速器的选用、传动方式、齿轮齿条传动和齿轮传动设计、轴系零件指的是通过一系列的设计和计算对轴和轴承做比较全面的强度与刚度的审核。及设备的维修、润滑和维护。机械式推钢机通过齿轮齿条的啮合传动把电能转化为动能,带动推杆完成推钢。本文设计中主要对推钢机进行了结构设计和理论计算,对传动机构做了更深入的分析设计,最后做了设备经济性能和可靠性能评价。关键词:电动机
2、;推钢机;理论计算;结构设计全套图纸,加153893706III 辽宁科技大学本科生毕业设计 A design for 130 tons of steel machineAbstractI designed a rack pusher, the reliable work, high transmission efficiency, thrust and large travel, but their heavy equipment, the gear rack type pushing steel machine widely used. rack type pusher through e
3、ngaging transmission gear rack of the rotary motion of the motor into linear motion of the push rod rack, drive complete pusher, Design analysis describes the design scheme, including the determination of the pusher and classification and characteristics of the design; the design and calculation of
4、main drive system, including the original design parameters, calculation and check of the motor, calculation and check of coupling and reducer; design and calculation of the main parts, including rack-and-pinion meshing gear strength calculation, calculation of the strength of the shaft, bearing sel
5、ection and calculation, and the selection of the key and checking; and then the equipment repair, installation, lubrication and seal design, finally the reliability and economical evaluation of equipment.Keywords: billet; pusher; rack type pusher第 37 页 辽宁科技大学本科生毕业设计目录1.绪论.51.1轧制工艺过程简介.5 1.1.1轧制过程.5
6、1.1.2热轧.5 1.1.3冷轧31.2推钢机的种类.5 1.3推钢机结构特点.6 1.4推钢机未来发展趋势62 传动方案的分析与拟定8 2.1 传动方案的分析.8 2.1.1常用的传动类型及其特点.8 2.1.2机械传动系统设计时应注意的事项93 电动机选择和计算.11 3.1 概述11 3.1.1常用电动机的特点及用途. .11 3.1.2电动机选择方法.123.2电动机选择计算与校核.12 3.2.1选择电动机的结构与类型.12 3.2.2选择电动机的容量.12 3.2.3选定电动机的型号和参数.13 3.2.4电机过载校核134传动装置的运动及动力参数选择和计算15 4.1传动比的计算与分配15 4.1.1传动装置的总传动比15 4.1.2 分配各级传动比155 减速器的选择计算.17 5.1减速器的概述.17 5.1.1减速器的作用.17 5.1.2减速器的分类.175.2减速器的选用.176 传动机构的设计计算.19 6.1齿轮齿条传动的强度计算.19 6.1.1齿条的特点.19 6.1.2齿轮齿条传动的强度计算.197 轴系零部件.24 7.1轴的设计.24 7.1.1轴的分类.