已阅读5页,还剩7页未读, 继续免费阅读
版权说明:本文档由用户提供并上传,收益归属内容提供方,若内容存在侵权,请进行举报或认领
文档简介
CrankrodsystemCrankrodsystemisthemainmechanismsreciprocatinginternalcombustionengine.Crankrodsystemisrealizingworkcycleengine,andcompletetheenergyconversionmajorsportsparts.Indoingworkstroke,itwillfuelburningtheheatenergyproducedisthepistonreciprocatingmotion,crankshaftrotationmovementintomechanicalenergy,foreignpoweroutput;Inotherstroke,reliesontherotationoftheflywheelcrankandinertia,throughtheconnectingroddrivingthepistonmovementupanddown,tocreatetheconditionsforthenexttodowork.ThefunctionofthecrankrodsystemCrankrodsystemroleistoprovideburningtheplace,afterburningfuelgasinthepistontoproleinflationarypressureintherotationofthecrankshaftintotorque,andconstantlypoweroutput.(1)willgaspressureintocrankshaftoftorque(2)thereciprocatingmovementofthepistontotherotarymotionofthecrankshaftThecompositionofthecrankrodsystemCrankrodsystembythebodysgroup,thepistonconnectingrodgroup,crankshaftflywheelofthreeparts.(1)thebodygroups:thecylinderblock,cylindercushion,thecylinder,andthecrankcaseoilsump(2)thepistonlinkagegroups:thepiston,piston,pistonpins,connectingrod(3)thecrankshaftflywheel:thecrankshaftflywheel1.ThegroupThebodyisaskeletonoftheengine,istheengineagenciesandthesysteminstallation,whichthefoundation,theinstallationofallthemajorenginepartsandaccessories,undervariousload.Therefore,thebodymusthavetheenoughstrengthandrigidity.ThecylinderblockThecylinderblockistheengineofallagenciesandsystem,isintheengineassemblywasoneofthemostimportantcomponents.Thecylinderblockhavewater-cooledair-filledtypecylinderandthecylinderblock.Water-cooledthecylinderblockingeneralandcastintegrativecrankcase.Thecylinderblockuppertookoutallcylinder,aircylindersurroundingcavitymutualconnectedmakewatersets.Thelowerpartisusedtosupportofthecrankshaftcrankcase.Thecylinderblockhaveinline,Vandleveltothethreekindsofforms,incarsandVinlinecommonlyusedtwo.Thelowerpartofthecylinderblockstructuregeneraltype,gantrygate,andtunneltypethreeformsoftheair-filledtypethecylinderblockandthecrankcaseadoptfissionstylestructure,thecylinderblockandthecrankcaseseparate,thenassembledintocastingtogether.Thecylinderblockandthesurfaceofcylinderheadcasthasmanyheatsinktoensuresufficientheatdissipation,thecylinderblockofmaterialswithgreycastiron,inordertoimprovethegeneralthewearresistanceofthecylinder,andsometimesincastirontoaddasmallamountofalloyelementssuchasnickel,molybdenum,chromium,phosphorus,etc.But,infact,besidesthepistonandcylinderwallsurfacewiththeotherpart,torequestisnothighwearresistance.Inordertotheeconomyofthematerial,widelyusedthecylinderinsertedintothecylinderlinertoformincylindersurface.So,cylinderlinerwearresistancecanbetteralloycastironorsteelalloymanufacture,inordertoprolongtheservicelife,andcylindercylinderoflowpricecanbeusedordinarycastironandaluminumalloymaterialsmanufacturing.Thecylinderlinerisdryandwettypetwokinds.Drycylinderlineroutsidesurfacearenotdirectwithcoldwatercontact,thewallthicknessgeneralfor13mm.Onthesurfaceofthecylinderlinerandassemblyofthecylinderbodysurfaceusinginterferencefitted.Wetcylinderlinersurfacedirectlycontactwiththecoolingwaterandgoodcoolingeffect.Thewallthicknessthandrycylinderliner,generallyfor5to9mm.CylinderheadThecylinderheadisthemainpurposeofthepistonandcylinder,closedthetopandcylinderwallstogethermakeupthecombustionchamber.Generalwater-cooledenginewithinthecylinderheadcastajacket,underthecylinderheadendandcylinderfortopcorrespondingtothewaterjacketisthesame,usewatertocoolthecirculationofthecombustionchamberwallofhightemperature,suchaspart;Theair-filledtypeenginecylinderheadonmanyheatsink,castbyincreasingheatareatoreducethetemperatureofthecombustionchamber.Theenginecylinderheadshallhavetheexhaustportacatheterholeandintotheexhaustpassage,etc.Thegasolineenginecylinderheadalsoshouldhavethesparkplughole,andalsohasinstalledthedieselengineinjectordoholes.CylindercushionThecylinderandthecylinderblockwithcylinderliner,thebetweentheroleistoensurethatthecylinderandthecylinderblockofbetweensealedtopreventleakageofcombustionchamber,waterleaking.OilpanisTheoilpanismaineffectistobestoredandsealedthecrankcaseoil.Theoilpanisforceissmall,generallyUSESthethinstampingsteelandinto.2.ThepistonsconnectingrodgroupThepistonconnectingrodgroupofpiston,piston,pistonpins,connectingrod,connectingrodbearingsetc.pistonThepistonistheroleofcylinderhead,cylinderwallswithtogether,andheirsofthecombustionchamberofgascylinderpressure,throughthepistonpinswillforcetotheconnectingrod,inordertopromotetherotationofthecrankshaft.Thepiston
温馨提示
- 1. 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。图纸软件为CAD,CAXA,PROE,UG,SolidWorks等.压缩文件请下载最新的WinRAR软件解压。
- 2. 本站的文档不包含任何第三方提供的附件图纸等,如果需要附件,请联系上传者。文件的所有权益归上传用户所有。
- 3. 本站RAR压缩包中若带图纸,网页内容里面会有图纸预览,若没有图纸预览就没有图纸。
- 4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
- 5. 人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对用户上传分享的文档内容本身不做任何修改或编辑,并不能对任何下载内容负责。
- 6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
- 7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。
最新文档
- 2024-2029年中国镭射素面膜行业发展分析及发展前景与投资研究报告
- 2024-2029年中国锯齿轧花机行业市场现状分析及竞争格局与投资发展研究报告
- 2024-2029年中国铈磁体行业市场现状分析及竞争格局与投资发展研究报告
- 2024-2029年中国重组流感疫苗行业市场现状分析及竞争格局与投资发展研究报告
- 2024-2029年中国遥控模型玩具行业发展分析及投资风险预测分析报告
- 2024-2029年中国迷你电动车行业市场现状分析及竞争格局与投资发展研究报告
- 2024-2029年中国轻燃料油行业发展趋势及发展前景研究报告
- 2024-2029年中国转码网关行业市场现状分析及竞争格局与投资发展研究报告
- 2024-2029年中国车用EVA行业发展分析及投资前景预测研究报告
- 2024-2029年中国责任保险行业市场分析及竞争形势与发展前景预测研究报告
- T-JSTJXH 15-2022 装配式劲性柱-钢梁框架结构设计规程
- 《诗意中国》朗诵稿
- 档案分类与整理教材课件
- 九年级化学兴趣小组活动记录下册
- 营养指导员理论考试题库及答案(汇总版)
- 《莎士比亚研究》自考核心题库(带详解)
- 马蹄足畸形讲课
- 弘扬传承五四精神 课件(20张PPT)
- 通风空调验收方案
- 【公开课教案】《职业价值观探索》教学设计
- 医院特种设备安全管理制度
评论
0/150
提交评论