2K-V型減速機(jī)的動(dòng)力學(xué)特性研究.pdf

1、天津大學(xué)碩士學(xué)位論文2KV型減速機(jī)的動(dòng)力學(xué)特性研究姓名：嚴(yán)細(xì)海申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：機(jī)械設(shè)計(jì)及理論指導(dǎo)教師：張策李充寧20031201ABSTRACTThestructureof2KVplanetarygeardrive，forceanalysisonthewinchbearingsandforceanalysisonthecycloidgearsarebrieflyintroduced砒thebeginningofthethesis

2、Furthermoreadynamicmodelof2KVplanetarygeardrivewithNplanetsisformulatedbylump—parametermethodThemodeladmitsthreeplanardegreesoffreedomforeachofthesun，planets，winches，cycloidgearsandcarrierAndstiffness，suchascomponentbear

3、ings，gearmeshinginteractionsandtorsionalstiffnessofthesh撕SandwinchesareconsideredAppliedtheparametersof2K—V6planetarygeardrivetothemodel，thenaturalfrequenciesandvibrationmodesaleinvestigated，andtheresultsrevealthatthevib

4、rationmodesCallbeclassifiedintotwocases：torsionalvibrationmodesofcentralcomponentsandtransversalonesThefirstfrequencyis1342Hzmuchsmallerthantheothers，anditmainlyaffectsthecarrier’StorsionalvibrationOntheotherhand，thiscon

5、clusionisverifiedbyanexperimentthatshowsthefirstfrequencyis1268HzFurtheranalysisindicatesthestiffnessofthebearingsinthecarriergivethegreatestinfluenceuponthefrequencyConsideringthetorsionalvibrationonlyanotherdynamicmode

6、lwith5degreesoffreedomisestablishedbylumpedperametermethodBasedonthemodel，thenaturefrequencyoffirstorderisevaluatedandanalyzedAndtheresultagreeswith恤eforlneEAttheend，thetransmissionefficiencyisevaluatedandanalyz酣，andther