本科學(xué)生畢業(yè)設(shè)計(jì)林區(qū)割灌機(jī)的結(jié)構(gòu)設(shè)計(jì)系部名稱：機(jī)電工程學(xué)院專業(yè)班級(jí)：機(jī)械設(shè)計(jì)制造及其自動(dòng)化08-3班學(xué)生姓名：指導(dǎo)教師：職稱：教授哈爾濱工程大學(xué)2012年6月TheGraduationDesignforBachelorsDegreeTheStructureDesignofTheForestBrushBreakerCandidate：Specialty：MechanicalDesignandManufactureandAutomationClass：08-3Supervisor：haerbinInstituteofTechnology2012-06Harbin哈爾濱工程大學(xué)本科生畢業(yè)設(shè)計(jì)摘要本設(shè)計(jì)介紹了一種林區(qū)割灌機(jī)產(chǎn)品：自走式割灌機(jī)。設(shè)計(jì)中根據(jù)林區(qū)路面狀況，以及清林撫育的作業(yè)情況，而設(shè)計(jì)出能夠適應(yīng)林區(qū)崎嶇路面及道路狹窄等惡劣環(huán)境的自走式割灌機(jī)，具有很高的實(shí)用性和推廣價(jià)值。該自走式割灌機(jī)由行走部分，割灌部分，駕駛臺(tái)以及排障部分等組成，可以鋸切加工直徑范圍在1080mm的灌木。整個(gè)機(jī)器由兩個(gè)汽油機(jī)提供動(dòng)力，一個(gè)提供行走動(dòng)力，另一個(gè)提供割灌動(dòng)力。鋸片位于整個(gè)機(jī)器的前下端，由駕駛臺(tái)控制桿控制其離地面高度，以適應(yīng)林區(qū)路面狀況。通過頂部的排障桿使高于機(jī)器頂部的灌木倒向預(yù)定方向，達(dá)到排障目的。該自走式割灌機(jī)結(jié)構(gòu)簡(jiǎn)單，容易維修，操作簡(jiǎn)單。在文章中，對(duì)該自走式割灌機(jī)的主要部件進(jìn)行了設(shè)計(jì)計(jì)算（例如：皮帶輪，軸，軸承，鍵，四連桿等），并對(duì)主要部件進(jìn)行了系統(tǒng)的介紹和說明，對(duì)使用中涉及到的潤(rùn)滑，保養(yǎng)及注意事項(xiàng)也作了說明。關(guān)鍵詞：自走式；割灌機(jī)；割灌部分；行走部分；駕駛臺(tái)；排障桿哈爾濱工程大學(xué)本科生畢業(yè)設(shè)計(jì)AbstractAselfprecededtrashbreaker,anewforestrymachinehasbeenpresentedinthispaper.Accordingtoforestroadsurfaceconditions,andworkingsituationsofclearingfosteringtrees,theself-propelledbrushbreakerwasdesignedtoadapttoanyatrociousenvironment,suchasruggedroadsurface,narrownessofroadandsoon.Itwashighlypracticabilityandgeneralizingvalue.Thisself-propelledbrushbreakerisconsistofwalkingport,cuttingport，bridgeandbreachingofobstaclespartandcansawbrushindiameterrangefrom10mmto80mm.Thepowerofwholemachineissuppliedbytwopetrolmotors,oneisforrunningpower，theotherisforbreakingbrushpower.Sawbladewasunderthemachine，thecontrolstickondrivingstandcontrolitsheightawayfromgroundtoadapttotheforestroadsurfacecondition.Thebushesthatarehigherthanthemachinecanbecontrolledbyapilotbar,whichcanmakebushesfallalongthepre-designeddirectionandgetridofobstacles.Thisstructureofself-propelledbrushbreakerissimple,iseasytomaintain,andisoperatedeasilyaswell.Themainpartsoftheself-propelledbrushbreakerhavebeencompeeredandtestedinthispaper,suchaspulley,axes,bearing,bond，fourlinkrodsandsoon,andthemainpartshavebeenintroducedandexplainedsystemically,andhavelubrication,maintenanceandothermattersn