[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fte6nYbjpmg8V0jynGRMS1D7WzwuOFXHEWFy-arSxB4s":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":26,"type":27},[],"2024-04-27 18:03:30",140602733,[8,9,10,11],"曲柄","连杆","摇杆","机架",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},23,"514431f4bb94e8980e5c96a4be2f3e25","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F25b30343053994e8940089572d36015b.jpg","机械设计基础","work_34230529","第七章常用机构","铰链四杆机构中与机架相连,只能在一定角度内进行摆动的构件是( )",[21,28,33,36,45,54,63,69,78,84],{"answer":22,"createTime":5,"id":23,"options":24,"question":25,"source":26,"type":27},[],140602731,[10,9,11,8],"铰链四杆机构中与机架相连,并能实现360 °旋转的构件是( )","v1",0,{"answer":29,"createTime":5,"id":30,"options":31,"question":32,"source":26,"type":27},[],140602732,[8,10,9,11],"将曲柄摇杆机构的( )长度取为无穷大时,曲柄摇杆机构中的摇杆将转化为沿直线运动的滑块,成为曲柄滑块机构",{"answer":34,"createTime":5,"id":6,"options":35,"question":19,"source":26,"type":27},[],[8,9,10,11],{"answer":37,"createTime":5,"id":38,"options":39,"question":44,"source":26,"type":27},[],140602734,[40,41,42,43],"机构中只有转动副,没有移动副和高副","连杆总是存在的,且不与机架相连","连杆总是存在的,且不一定与机架相连","有的绞链四杆机构能将主动件的匀速转动按同样的大小和转向传给从动件","在铰链四杆机构中( )的说法是错误的",{"answer":46,"createTime":5,"id":47,"options":48,"question":53,"source":26,"type":27},[],140602735,[49,50,51,52],"转动副","移动副","螺旋副","高副","螺杆与螺母组成( )",{"answer":55,"createTime":5,"id":56,"options":57,"question":62,"source":26,"type":27},[],140602736,[58,59,60,61],"变小","变大","不变","不可确定","曲柄摇杆机构中,当曲柄作主动件时,若曲柄长度变小,摇杆摆动的幅度将( )",{"answer":64,"createTime":5,"id":65,"options":66,"question":68,"source":26,"type":27},[],140602737,[49,50,67,51],"球面副","若组成运动副的两构件间的相对运动是移动,则称这种运动副为( )",{"answer":70,"createTime":5,"id":71,"options":72,"question":77,"source":26,"type":27},[],140602738,[73,74,75,76],"点","线","面","体","两构件通过( )接触组成的运动副称为低副",{"answer":79,"createTime":5,"id":80,"options":81,"question":83,"source":26,"type":27},[],140602739,[51,49,50,82],"齿轮副","下面哪种运动副属于高副( )",{"answer":85,"createTime":5,"id":86,"options":87,"question":92,"source":26,"type":27},[],140602740,[88,89,90,91],"螺旋副接触","带与带轮接触","活塞与汽缸壁接触","凸轮接触","下列运动副中属于高副的是( )"]