nationalmanufacturerofreverserack,intheformofproductionofflipisvarious,andthispaperintroducesthepresentsituationoftheautomobileenginerotatingframeathomeandabroadanditsdevelopmenttrend,hedesignschemeoftheturningframe,todesignthestructureofframeanditscharacteristic,atthesametimeinvolvedintheprocessofturningframedesignmanufacturabilityproblemswereadded.Thistopicisdesignedbythewormdrive,360°turntiltingofarbitraryAngleoftheengine.Itscharacteristicis:1,reliableperformance,convenientoperation;2,simplestructure;3,dragthefeetofthelowestlowposition,expandtheadaptabilitytovariouskindsofvehicles;4,theuseofwormdrivecanbe360°tilting;atanyAngle5,priceislow.Keywords:theengine;Turnover;Themechanicalstructuredesign;Wormdrive在清洗液中硅表面为负电位有些颗粒也为负电位,由于两者的电的排斥力作用可防止粒子向晶片表面吸附,但也有部分粒子表面是正电位,由于两者电的吸引力作用,粒子易向晶片表面吸附。