一级直齿圆柱齿轮减速器设计说明书

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4、制，输送机连续单向运转，载荷有轻微震动，载荷平稳，空载启动。使用期限：5年，大修期2年，每年工作300天。生产批量：小批生产。允许误差：允许输送带速度误差±5%。5、设计任务设计图。一级直齿圆柱齿轮减速器装配图一张，要求有主、俯、侧三个视图，图幅A0,比例1: 1零件图两张，图幅A1设计计算说明书一份。cigayseaiigagdgkute.e.ee.if.su-一一tow一.一te. gr. gu.ue.v-gkusuc-rf-vrg-ieig-d-e 、e -e-r i e-idueat u u 、-一. vv-sea*a. -w.- s lusc-u-leac.dg c ere

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6、a c.ucii-isuic-cy -ri-e-ai-ec-gyr e -et.ig-igrce-e-ei-ocusing onways and means of improving a nd upgra ding w ork,further devel opment of "three tosplit".(A) fully grasp"nouna uthori sed"create d.Thetow nship"no unaut horise d"createdt heexisti ngbuildi ng"one hous

7、e hol d, one document" surveyand filestorageworkmust be unconditional andfullcoverage. Main corridorleadi ng tothet own (roa d,river)village,theCentralbuilt-upareaofthetown on bot hsides must beto createa "no unauthorise dvillage".Accordingto "five hundredvillage s" created

8、a nd shanty towns,villages,old houses,reconstr uction of old plant, expand create, upgrading creates files,t he real"no unaut horised village" createdint othe benefitofthe pe ople ofverygood thi ng.(B) to stri ctlymanage countasunauthori sed controls. Promoti ng the"ne w"controlw

9、 orktomovethe ce nterofgravity, management measure s tothefront,and earnestlypi peseffectively.Astrict new unaut hori sed network re sponsi bility.Sect orssuchas la nd, housing and basic stations(stations)and t he Tow nshi p ofgrid a ccountabilityme chanisms must be stri ctly in a ccordance wit h th

10、e new regulat ory requirem ents, effective implementation oftheareaofresponsibility of thenewinspections,suppression, demolition worktoe nsure that thenew"zero tolerance". Se cond,publi c security,w ater,ele ctricit y,water, oce ans a ndfisheries, touri sm coll aborati on,market supervi si

11、onde partments should strictlyenfor ce the illegalconstr ucti on ofdisposal ofrelevantpr ovisi onsofthe regulati ons, effective fulfilment ofresponsibilities, particularly ine lectri cityand watersuppl y,and other units may not be newil legalbuildi ngsto supplywatera ndel ectricity supply.While more

12、reg ulation topr event per sonalpriva cyviolati ons. Illicittradi ng in illegalconstr uction in theMi nistry ofpubli cse curity sectort ostrictlyfrom theblow. T hree ist ocreate a dditionaloffencereportingsystem ofince ntives.Accordingto building la wandcov ers an area ofnature ,toreporttimely degre

13、edivide dreportgrade,effectiveafterthe removalofcertain i ncentives.(C) integrate dimplementati on", building demoliti on,m odificati on, use" combi nation.Dem olition isthe meansand purposebuilti s.To adheretot he building demoli shed,combi nation ofconstr uctiona nd demolition waste,demo

14、lishedwith combi ne d ef forts to improvet hescie ntificlevelofthr ee to split; second,we mustpayattentionto "thre e tosplit" and"five hundred"and"fivewater treatment","threeofthe foursides", t heshackDi stricttransformation,a nd da ngerous ol droom transforma

15、tionand"two roa dsi des", se rieswork organic com bine d up,active do Rive r,andal ong demolition w ork, andmanpowera dvance village in the,and ol dresi dential demoliti on work,to improve d masses housi ng conditionsand live environment;thr ee to put "three m odified a split"as

16、tra ditional low ,a ndsmall ,and bulk industrystructuretransformation upgradeof important initiatives to ca ug ht,speed up a dvance industryPark,effectivoptimization park e nvironme nt目录一 传动装置的总体设1、传动方案的确定 12、电动机的选择 13、传动装置的总传动比的计算和分配 34、传动装置的运动和动力参数的确定 3二 传动零件的设1、V带设计 52、齿轮传动设计 73、轴的设计 114、滚动轴承的选择与

17、校核计算 185、键联接的选择及其校核计算 196、联轴器的扭矩校核 207、减速器基本结构的设计与选择 21三 箱体尺寸及附件的设1、箱体的尺寸设计 232、附件的设计 25四参考文献28五主要设计一览表 39ual promoting totalwiAlllocalitiesanddepartment smust be convinced that g oals,goingallout,musteringspirit,w ork together to ensurethatt hisyear's objectives carry outtask s,at theforefront.

18、First, wem uststre ngthenthe lea dershipto imple ment.Departments at allshoul d alwayswural"fivewatertreatment","threetocarry themaiofresponsibilityranktransmissiCounty nongba L watertreatment", "three to school s,communityTn, flood,t hree to onedowsp,hlite"raosletraira

19、iniofntofurtherplay aleading catch total, i ntegratedand coordinated roleofallkindsis "long","Sheriff""Inspe一-一L - -.ction cadre swork performanceofthe ring , water control andthe Jabilities,formed thealigpane se pulled aworknmentonthe fire line and manageme 一_.1 一nta lively

20、situati on.Se cond,w e must strengt. .一- - 一 I -ILout,training, discovery a nd selecti on ofca dres.T han good catchup,firsttoexcellence-oriehe n thetest impleme一 一nted.ntation ofthe Governor. RolePartymembers andcadre satalllevel s musta dherebaton,for agricult- - -I tothe rural,wateruraland ruralf

21、ocusacontrola ndthe Japanese pulle da grass-roots,"put downthe shelf,leaned" pragmaticstyle, the spirit of play,be come a benchmarkmodel.Four,wemndexperienceofsupervision, in particular,tostrengthe n thefocus on the"long" signs "goleft", "names"such asrgre-i e

22、 .c-iL-cia i-i-gd-a-ao- ausu-degdccsuc-oaei-eme e-i-i-ie.-e- sc we s -e - s-i a v ea-wte-e-e-u-esski-as-agu-a-oiwaid- ek.ceu-R-ea-gem-ikaeaci-g -eeidae-k-i. as-gc-1 e - eee-ediesi a-d-u-e-a-o-uga-aieaguavc-i机械吊础邨程设计级齿邮出轮减速器设计内容：一、传动装置的总体设计1、确定传动方案本次设计选用的带式输送机的机械传动装置方案为V带传动和一级闭式齿轮传动，其传动装置见下图。U带传动和一级闭

23、式齿轮传动2、选择电动机(1)选择电动机的类型按工作要求及工作条件选用三相异步电动机，封闭自扇冷式结构，电压380V, Y 系列。(2)选择电动机的额定功率带式输送机的性能参数选用表1的第6组数据，即:输送市工作拉力F/N输送带工作速度v/ms1卷筒直径D/mm23001.6400工作机所需功率为：Pw=Fv/1000=2300*1.6/1000=3.68KW 从电动机到工作机的传动总效率为：n=n；12n32nZ15其中I、“2、”3、L、Z分别为V带传动、齿轮传动、滚动轴承、弹性套柱销联轴器和滚筒的效率，查取机械基础P459的附录3选取，=0.96、"2=0.97（8 级精度）、

24、=0.99 （球轴承）、L=0.99、n5 =0.96故Id mp-de on, ea ac-e d dee-pmet Ig tota- -. I.Fie, y -o- .e.d, to cce.ae hig h-lg-s ,hid de It-on o- ei i s ,.-> to s.lgt he e the.ecc.a_s and .p.enaii.A-es a Id - amets ."be -I.a-o.a-ou-mrreig si- wok tog- -is obje cies ca-y ou ta- a -e-re-o|- -, 一 ” .!, to .p_en

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28、 .ode- F >u- p-paanda.p n eaion. ce d-.c-b- oggig, new .e da .i. ng - ." - ok - -e - -ea.", "h-ee -S-ad-acd . odes poS1s -.-y-<ee t he - nc e pU- c are pa-i-.i on as, sa Cionad supo-.-ry gngqiig-u, a -oots s-h a3s.oo- s c.ui. hr -. . -U电动机所需功率为Pd=Pw/n=3.68/0.867KW又因为电动机的额定功率 P.d

29、 _Pd查机械基础P499的附录50,选取电动机的额定功率为 5.5kW,满足电动机的额定功率Rd之Pd。(3)确定电动机的转速传动滚筒轴工作转速：查机械基础P459附录3, V带常用传动比为ii=24,圆柱齿轮传动一 级减速器常用传动比范围为i2=35 (8级精度)。根据传动装置的总传动比i与各 级传动比小i2、耳之间的关系是i=iii2- in,可知总传动比合理范围为i=620。又因为inmnw故电动机的转速可选择范围相应为符合这一范围的同步转速有 750r/min、1000r/min和1500r/min三种。(4)确定电动机的型号选上述不同转速的电动机进彳T比较，查机械基础P499附录5

30、0及相关资料得电动机数据和计算出总的传动比，列于下表:力杀电机型号额定功率kW电机转速r/min电机质量kg总传动比同步转速转速1Y132S-45.5150014406818.852Y132M2 -65.510009608512.593Y160M2-85.57507201159.42表二为了选取合适的传动比，由表二选取同步转速为960r/min的Y系列电动机, 型号为Y132M2-6。cigayseaiig a gdgkute.e.ee.if.su-一一tow一.一 te. gr. gu.ue.v-gkusuc-rf-vrg-ieig-d-e 、e -e-rie-id u eat u u 、-

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33、c e uiRiea -gem-ikaeac i-g ieeidae-k-i. asigc-i. e i e ee - ediesi a - id - -u-e-a-oi u g a - -aieagi机械吊础邨程设计级齿邮出轮减速器查机械基础P500附录51,得到电动机的主要参数以及安装的有关尺寸(mm),见以下两表：电动机的技术数据电动机型 号额定功率(kw)同步转速 (r/min)满载转速 (r/min)堵转转矩额定转矩最大转矩额定转矩Y132M2-65.510009602.22.2表三电动机的安装及有关尺寸(mm)中心高H(mm)外形尺寸L x l-AC+AD lx HD12J底脚安装

34、 尺寸AXB地脚 螺栓 孔直 径K轴伸尺寸DXE键公称尺 寸FXH132515 X (270/2+210) X315216X1781238X 8010X 333、传动装置的总传动比的计算和分配(1) 总传动比12.59(2)分配各级传动比各级传动比与总传动比的关系为i=iii2。根据V带的传动比范围ii=2 4 , 初选ii = 4,则单级圆柱齿轮减速器的传动比为3.19,符合圆柱齿轮传动一级减速器传动比范围i2=35 (8级精度)，且符合了在设计带传动和一级圆柱齿轮 减速器组成的传动装置中，应使带传动比小于齿轮传动比，即1带1齿。4、计算传动装置的运动和动力参数(1)计算各轴输入功率0轴(电

35、动机轴)的输出功率为：1轴(减速器高速轴)的输入功率：从 0轴到1轴，经过V带传动和一个 联轴器，所以：2轴(减速器低速轴)的输入功率：从 1轴到2轴，经过一对轴承，一 对齿轮传动，一对齿轮啮合传动，所以：nd mp-de on,. a cdeve d ng-ta-w n. -o- <ae<d,to ceaehg hgh-s T hid nt-on o- <e-,-e" s mpea-v -sengt hen e the .ecCms and .p.enain.A-resa nd dp-t.ents ."be a-o. si- - o-k this obj

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40、 puu-ic - aene<s,pa-iiai on aes,sa_ac-on ad suupo-. -.y gngqi>g-u, a m_s -oos such ascCoo- s cmmuul：niiggadgku.e.vre - si f- .s-“rusceeesguidgudeslvea. sagk.ucIr a ul - ege Mici.dg-wre.g>. e-r-uae -esst- c er-i、-.ve、-c erera y -.ge>l - c - u -a.a.”. c ere .seuied.g.e.-eitlegg B - st lag

41、- au-sc-sp-g-ckto”-.”eau-aaStrfdr r-.euau-setwk.i.yec"cs-r-i crac i- e e.aeie e- fcvir ai -eisc-suieiiwk-se-e-ea-cur. aee c-i-a-a-r-r -sc-a-k-ueiia-e-us-c-efc -rgr - u -isereaie.as fcv fl-e esi-is -" i c-iwaesa-eu-eirgil.-waeec-"-uyw-eega-e e-Vci,s-ci-agilgac-c-Msc-e-i-frrice-e-iecegs

42、e'nJ-ivsdi.iigasaae-e-e- evae-iisCgai eeaiigel-ic-sci elii a a -deiige-dcicsc-odel-wa-eic-isi11-esiscesa-e-siaefv-e-e-efiesak-si af-d gu-afoi-e-ekgaic icvRiagde-kaeaci-gi-e.wk-ivsig-oaiee-eiesia-rrkiu-一一一asiugai-a-1-0 c g seacni 3轴（滚筒轴）的输入功率：从 2轴到3轴，经过一对轴承，一个联轴器，所以：（2）计算各轴转速0轴（电动机轴）的转速：1轴（减速器高速轴

43、）的转速：2轴（减速器低速轴）的转速：3轴（滚筒轴）的转速：（3）计算各轴转矩0轴（电动机轴）的转矩：1轴（减速器高速轴）的转矩：2轴（减速器低速轴）的转矩：3轴（滚筒轴）的转矩：把上述计算结果列于下表:输出功率（kW）转速（r/min）输入转矩（N.m）传动比传动效率轴0（电动机轴）4.2496042.1840.96轴1 （高速轴）4.07300.94129.163.190.9603轴2 （低速轴）3.9176.37448.9410.9801轴3 （滚筒轴）1.977478.94机械居础邨程设计级成齿园林齿轮减速器表五传动零件的设计1、箱外传动件设计(V带设计)(1)计算设计功率PdPd =

44、 Ka%根据V带的载荷有轻微振动，一班工作制(8小时)，查机械基础P296 表 13 6,取 Ka = 1.1。即(2)选择带型普通V带的带型根据传动的设计功率 Pd和小带轮的转速ni按机械基础 P297图13-11选取。根据算出的 Pd = 2.42kW及小带轮转速ni = 960r/min ,查 图得：dd=80100可知应选取2型A带。(3)确定带轮的基准直径并验证带速由机械基础P298表13-7查得，小带轮基准直径为5090mm(ddmin=50mm),则取 dd1= 100mm> ddmin. (dd1 根据 P295表 13-4 查得)i=4所以 dd2=100 X4 =40

45、0mm由机械基础P295表13-4查“V带轮的基准直径”，得dd2=400mm误差验算传动比：(名为弹性滑动率)误差符合要求带速满足5m/s<v<2530m/s的要求，故验算带速合适。(4)确定中心距离、带的基准长度并验算小轮包角由式 0.7 dd1 dd2 Ma。M2 dd1 dd2可得 0.7 (80+250) <a0 <2 (80+250)即 M a0 w ,选取 a0=500mm所以有：#-iways a eaiigga-gk-.e.e - si fl g as-一“susceeesguid gu deslvea. sag.ucIl a ul - ege Mic

46、iea-g-wre.t e-r -uae -esst- c er-i、-. v e、-c erea- -.ge>l - c - u -a.a.”. c ere flseuied.g.e.-eitlegg B - sr 1ag - au-sec-sp-g-ckto”-.”eau-aaSrfdr r-.euau-seetwk.i.yecsuclldigitis-o s aTo s gi c cs-s- li crac i-ee.aeie e- fcvil ai -eess-yisc-sui eiiwk-se-e-ea-cul. a-e e c-i-a-afs-s -smcla-k- uei

47、ia-e- us-c-ef c -lgl - u -iseeaie.asfcvfileesilis-" i c-iwaesua-eu-eilgilg-s-waeec-"-uyWleega-e el-一 i- s - - a g Iga c - c -Msec-e-c- -lri c e-e di ec e gseic-sdigiigas a a e-e-eilgr-e gad efev r-e-h e vae-iiscgaieeaiigel-ic-secieliiaa-d eiigeldcics c -oel- wa-eeic-isi-fle -h esi sec esae

48、- si a e-v - e-e-e fiesak-siaf-dgu-afi-e-ekgai c iRiage-kaea c ilgi-ees d d -wk-iv ssigc-alviee-eies-llk-u-一一一asiugai-airr-.gseacusypakff-由机械基础P293表13 2查得Ld= 1800mm实际中心距符合要求。(5)确定带的根数z查机械设计手册，取Pi=1.37KW, Pi=0.11KW由机械基础P299表13 8查得，取Ka=0.92由机械基础P293表13 2查得，Kl=1.01则带的根数所以z取整数为5根(6)确定带轮的结构和尺寸根据V带轮结构的选择条

49、件，Y100L1-4型电机的主轴直径为d=38mm；由机械基础P293 , “V带轮的结构”判断：当3d<dd1(90mm)<300mm,可采用H型孔板式或者P型辐板式带轮，这次选择H型孔板式作为小带轮。由于dd2>300mm,所以宜选用E型轮辐式带轮。总之，小带轮选H型孔板式结构，大带轮选择 E型轮辐式结构。(7)确定带的张紧装置选用结构简单，调整方便的定期调整中心距的张紧装置。(8)计算压轴力由机械基础P303表1312查得，Z型带的初拉力F0 = 55N,上面已得至 11al=161.74°, z=6,贝U F = 2zFo sin 亘=2 父 6 M 55

50、sin 16174-N=651.64N 22(9)带轮的材料选用灰铸铁，HT20Q2、减速器内传动件的设计(齿轮传动设计)(1)选择齿轮材料、热处理方法及精度等级齿轮材料、热处理方法及齿面硬度因为载荷中有轻微振动，传动速度不高，传动尺寸无特殊要求，属于一般的齿轮传动，故两齿轮均可用软齿面齿轮。查机械基础P322表14- 10,小齿轮dlageccd-g v e-ags c eae. - -.g.is a-egas fcv filees -ies选用45号钢，调质处理，硬度250HBS;大齿轮选用45号钢，调质处理，硬度为 220HBS。精度等级初选减速器为一般齿轮传动，圆周速度不会太大，根据机

51、械设计学基础P145表5 7,初选8级精度。(2)按齿面接触疲劳强度设计齿轮由于本设计中的减速器是软齿面的闭式齿轮传动，齿轮承载能力主要由齿轮接触疲劳强度决定，其设计公式为：di _ 3 (3.53Ze )2 KM 1 u 1 ；I- H I：d ”确定载荷系数K因为该齿轮传动是软齿面的齿轮，圆周速度也不大，精度也不高，而且齿轮相对轴承是对称布置，根据电动机和载荷的性质查机械设计学基础P147表 58,得 K 的范围为 1.41.6, 取 K= 1.5。小齿轮的转矩接触疲劳许用应力七p =上u zNSHm imi )接触疲劳极限应力由机械设计学基础P150图5 30中的MQ取值线，根据两齿轮的齿 面硬度，查得45钢的调质处理后的极限应力为Ohm =600MPa, QHiim2=560MPaii)接触疲劳寿命系数Zn应力循环次数公式为N=60 n jth工作寿命每年按300天，每天工作8小时，故th=(300X10X 8)=24000hN1 =60X 466.798X 1 义 24000=6.722 义 108.iru-a-e-c-e-iere u u -g-iFviy i eeig a