高強(qiáng)化柴油機(jī)連桿螺栓可靠性研究.pdf

1、同濟(jì)大學(xué)碩士學(xué)位論文高強(qiáng)化柴油機(jī)連桿螺栓可靠性研究姓名：程義娥申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：動(dòng)力機(jī)械及工程指導(dǎo)教師：樓狄明2001.1.10||d濟(jì)人學(xué)壩Ij學(xué)位論文“強(qiáng)化柴汕茸【連桿蝶栓u，鐘rlJ|_究AbstractWiththerailway’sspeedbecominghigherinpassengertransportandtheloadbecomingheavierinfreightinourcountrytherequesti

2、shigherandhighertodeveloptheresearchofhigh—powerlocomotivedieseIengineAsoneimportantcomponentforcin鼬econnecting—rodbolt，howtoguaranteetheSUmcientfatiguestrengthandtheSUfficientfatiguelife，howtoincreasethereliabilityanden

3、durancewhenitiSatworkbecomesabigandimportantproblemearntosolveOnthebasisoftheconnecting—rodboltswhichareinthepowerdeviceofintemalcombustionlocomotive16V280ZJdieselengineofDF8、DF9、DFlldesignedandmadeinQISHUYANLocomotive＆R

4、ollingStockwjrksthethesisdoesreliabilitydesigntotheconnecting—rodboltsbymeansofmechanicalreliabilitydesignmethod，andthendoesfatiguetestSOastostudyfatigue“strengthandfatiguelifeoftheconnecting—rodboltsandanalyzethereasono

5、ffracturefailureatlastdoesautomaticoDtimumdesignofawiretake—outorganizationtomeasuredynamicstresson16V280ZJdieselengineconnectingrodboltsduringfiringoperationbyusingtheoptimummethod，andwilltestdynamicstressWiththeoryanal

6、ysisandthetestresults，whichimprovestheconnectingrodboltsstructureItmakestheconnectingrodboltsnotonlytheSUtiicientfatiguestrengthbutalSOthesufficientfatiguelifeⅢSthesisCancompactlycombinewithproductionpracticeandtheresear

7、chproductionCanprovidetheoryandexperimentalbasistoimprovethereliabilityresearchofconnecting—rodboltof16V280ZJdieselengineKeywordsreliabilitydesign，fatiguetest，fatiguestrength，fracturefailure，theconnectingrodbolt，dieselen