(此文档为word格式，下载后您可任意编辑修改！) 盘磨机传动装置设计 【摘 要】齿轮传动是现代机械中应用最广的一种传动形式。 它的主要优点是： 1、瞬时传动比恒定、工作平稳、传动准确可靠，可传递空间任意两轴之间的运动和动力； 2、适用的功率和速度范围广，传动效率高，工作可靠、使用寿命长； 3、外轮廓尺寸小、结构紧凑。由齿轮、轴、轴承及箱体组成的齿轮减速器,用于原动机和工作机或执行机构之间,起匹配转速和传递转矩的作用,在现代机械中应用极为广泛 国内的减速器多以齿轮传动、蜗杆传动为主，但普遍存在着功率与重量比小，或者传动比大而机械效率过低的问题。另外，材料品质和工艺水平上还有许多弱点，特别是大型的减速器问题更突出，使用寿命不长。国外的减速器，以德国、丹麦和日本处于领先地位，特别在材料和制造工艺方面占据优势，减速器工作可靠性好，使用寿命长。但其传动形式仍以定轴齿轮传动为主，体积和重量问题，也未解决好。 当今的减速器是向着大功率、大传动比、小体积、高机械效率以及使用寿命长的方向发展。减速器与电动机的连体结构，也是大力开拓的形式，并已生产多种结构形式和多种功率型号的产品。近十几年来,由于近代计算机技术与数控技术的发展，使得机械加工精度，加工效率大大提高，从而推动了机械传动产品的多样化，整机配套的模块化，标准化，以及造型设计艺术化，使产品更加精致，美观化。 在21世纪成套机械装备中,齿轮仍然是机械传动的基本部件。CNC机床和工艺技术的发展,推动了机械传动结构的飞速发展。在传动系统设计中的电子控制、液压传动、齿轮、带链的混合传动,将成为变速箱设计中优化传动组合的方向。在传动Pd＝5.5kW i=32 i3＝3.5 i0＝9.14 i1＝3.5 i2＝2.6 nⅠ＝1440 rmin nⅡ＝411.4rmin nⅢ＝158rmin n主＝45rmin PⅠ＝5.34kW PⅡ＝5.07kW PⅢ＝4.82kW PⅣ＝4.35 kW TⅠ35.4N·m TⅡ＝118N·m TⅢ＝291N·m T主＝＝923N·m [σH]1＝715 MPa [σH] 2＝725 Mpa m＝10 δ1＝16° δ2＝74° d1＝100mm d2＝350mm d a2＝355.4mm d f2＝343.25mm 1 设计中的学科交叉,将成为新型传动产品发展的重要趋势。 【关键词】 减速器 轴承 齿轮 机械传动 The Design of The Plate Mill’s Gear Jia Genqin Class of 0601 Machinery Manufacturing R=182mm b=50mm θa1＝θa2＝3° θf1＝θf2＝4° δa1＝19° Abstract：Wheel gear’s spreading to move is a the most wide δa2＝77° kind of the application spreads to move a form in the modern δf1＝12°machine.Its main advantage BE: δf2＝70° 1、spreads to move to settle, work than in a moment steady, V=0.83ms spread to move accurate credibility, can deliver space m＝3 arbitrarily sport and the motive of the of two stalks；Power and d1＝75mm speed scope； 2、applies are wide； d2＝195mm b2＝75mm spreads to move an efficiency of, soon and deliver a b1＝80mm function of turning , the application is extremely extensive in a＝135mm the modern machine. d a1＝81mm Local deceleration machine much with the wheel gear d a2＝201mm spread to move, the pole spread to move for lord, but d f1＝widespread exist power and weight ratio small, or spread to 67.5mm move ratio big but the machine efficiency lead a low d f2＝187.5mm problem.There are also many weaknesses on material quality V=1.61ms and craft level moreover, the especially large deceleration m＝2 machine’s problem is more outstanding, the service life isn’t d1＝50mm long.The deceleration machine of abroad, with Germany, d2＝176mm Denmark and Japan be placed in to lead a position, occupying b2＝50mm advantage in the material and the manufacturing craft b1＝55mm specially, decelerating the machine work credibility like, service a＝113mm life long.But it spreads to move a form to still take settling stalk d a2＝180mm wheel gear to spread to move as lord, physical volume and d f1＝45mm weight problem, don’t also resolve like 2 d f2＝171mm The direction which decelerates a machine to is the facing V=3.768ms big power and spread to move ratio, small physical volume, d=35mm several in the last yearses, control a technical development d1=40mm because of the modern calculator technique and the number, d2=45mm make the machine process accuracy, process an efficiency to d3=55mm raise consumedly, pushed a machine to spread the d4=47mm diversification of movable property article thus, the mold piece d5=40mm of the whole machine kit turns, standardizing, and shape design d6=35mm the art turn, making product more fine, the beauty turns. l1=37.5 mm Become a set a machine material in 21 centuries medium, l2=73mm the wheel gear is still a machine to spread a dynamic basic l3=10mm parts C tool machine and the craft technical development, l4=70mm pushed a machine to spread to move structure to fly to develop l5=70mm soon.Be spreading to move the electronics control, liquid in the l6=80mm system design to press to spread to move, wheel gear, take the Ft2=2985N mixture of chain to spread to move, will become become soon a Fr2=1086N box to design in excellent turn to spread to move a combination Fn2=3177N of direction.The academics that is in spread move the design FHA=1003N crosses, will become new spread a movable property article the FHB=1982N important trend of the development. FVA=-1261N Key words： Reduction gear Bearing gear FVB= 2347N mechanical drive 一、传动装置的总体设计 （一）传动方案分析 1、传动装置的布局要求： d=25mm d1=25mm d2=30mm d3=35mm 在分析盘磨机传动装置方案时，首先应该满足机械设计的d4=30mm 基本要求，此外还要保证工作可靠，传动效率高，结构简单，d5=25mm 工艺性能好等，同时应注意常用机械传动方式的特点及在布局l1=32mm 上的要求： l2=78mm （1）带传动平稳性好，能缓冲吸振，但承载能力小，宜布l3=10mm 3