[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f1oR9kkCUylcdH5fNYuvnbUC-zcIFqeopi8zIFhfz7sA":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":31,"type":32},[],"2024-12-09 18:41:18",169915084,[8,9,10,11],"缓和冲击和振动","补偿两轴的同轴度误差或热膨胀","传递转矩","防止机器发生过载",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},9,"83f934c38b0b427a883d44ad4a64efac","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fdb9bc9acb73e641a375797b18caef3d1.jpg","机械基础","work_39414925","第四次作业","联轴器与离合器的主要作用是( )",[21,33,42,51,60,65,70,75,78],{"answer":22,"createTime":23,"id":24,"options":25,"question":30,"source":31,"type":32},[],"2024-12-09 18:41:17",169915077,[26,27,28,29],"径向","轴向","角向","综合","齿式联轴器对两轴的( )的偏移具有补偿能力,所以常用于安装精度不高和重型机械中","v1",0,{"answer":34,"createTime":23,"id":35,"options":36,"question":41,"source":31,"type":32},[],169915078,[37,38,39,40],"固定式刚性","可移式刚性","弹性","安全","在载荷不平稳且具有较大冲击和振动的场合下,则宜选用( )联轴器",{"answer":43,"createTime":23,"id":44,"options":45,"question":50,"source":31,"type":32},[],169915079,[46,47,48,49],"传递转矩大,接合速度很低","传递转矩较小,接合速度很低","传递转矩较大,接合速度很高","传递转矩较小,接合速度高","牙嵌式离合器一般用在( )的场合",{"answer":52,"createTime":23,"id":53,"options":54,"question":59,"source":31,"type":32},[],169915080,[55,56,57,58],"制造比较方便","装配比较方便","拆卸比较方便","对中精度比较高","凸缘联轴器可依靠铰制孔螺栓来保证被联接的两轴的同轴度,也可以靠联轴器上的对中支撑来保证两轴的同轴度,以上两者比较,前者的优点是( )",{"answer":61,"createTime":23,"id":62,"options":63,"question":64,"source":31,"type":32},[],169915081,[37,38,39,40],"机械在运转过程中载荷平稳,但可能产生很大的瞬时过载,对机械造成损害,在这种场合下,通常选用( )联轴器",{"answer":66,"createTime":23,"id":67,"options":68,"question":69,"source":31,"type":32},[],169915082,[37,38,39,40],"在载荷比较平稳,冲击不大,但两轴线具有一定程度的相对偏移的情况下,通常选用( )联轴器",{"answer":71,"createTime":5,"id":72,"options":73,"question":74,"source":31,"type":32},[],169915083,[37,38,39,40],"在载荷平稳,冲击轻微且两轴对中准确的情况下,若希望寿命较长,则宜选用( )联轴器",{"answer":76,"createTime":5,"id":6,"options":77,"question":19,"source":31,"type":32},[],[8,9,10,11],{"answer":79,"createTime":5,"id":80,"options":81,"question":85,"source":31,"type":32},[],169915086,[82,83,84],"定刚度","变刚度","定刚度或变刚度","弹性套柱销联轴器,其刚度特征是属于( )"]