《2022年内蒙古科技大学机械设计基础历年试题 .pdf》由会员分享,可在线阅读,更多相关《2022年内蒙古科技大学机械设计基础历年试题 .pdf(20页珍藏版)》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。
1、内蒙古科技大学2009/2010 学年第二学期机械设计基础试题(A)课程号:64000209 考试方式:闭卷使用专业、年级:任课教师:王春香等考试时间:20XX 年 5 月备注:一、填空(共 13 题,每题 2 分,共 26 分)1.在铰链四杆机构中,与机架相连的构件称为连架杆,不与机架相连的构件称为。2.一对外啮合的渐开线斜齿圆柱齿轮的正确啮合条件是。3差动轮系的自由度为。4强度是零件抵抗整体断裂、和表面失效的能力。5铰链四杆机构有曲柄的条件是杆长条件和。6普通三角形螺纹的牙侧角为。7斜齿轮传动齿根弯曲疲劳强度的齿形系数YF,须依据_查取。8V 带轮槽楔角与V 带楔角之间的关系是。9既传递转
2、矩又承受弯矩的轴称。10为了装拆轴承方便,应使轴承内圈外径定位轴肩高度。11.在蜗杆传动中,由于材料和结构上的不同,蜗杆螺旋齿部分的强度高于蜗轮轮齿的强度,所以失效总发生在上。12切向键由一对斜度相同的组成。13用来把两轴联接在一起,机器运转时两轴不能接合与分离,只有在机器停转后并将联接拆开后,两轴才能接合与分离的装置叫做。二、选择 填空(共 13 题,每题 2 分,共 26 分)1.在运动副引入的约束中,对机构运动不起实际约束效果的重复约束称为。A 复合铰链 B 局部自由度 C 虚约束2.在曲柄滑块机构中,若取滑块为机架,可得到。A 导杆机构B 摇块机构C 定块机构3一对外啮合渐开线直齿圆柱
3、齿轮,当安装中心距略大于标准中心距时,其节圆半径分度圆半径。A 小于B 等于C 大于4下列螺纹联接的防松措施中,属于摩擦防松原理的是。A 止动垫片B对顶螺母 C串联钢丝5一对相互啮合的标准齿轮传动,小齿轮材料为45MnB调质,大齿轮材料为45 钢调质,则啮合处的接触应力为。A1H 2HB1H 2HC 1H=2H6摩擦型带传动不能保证固定传动比,其原因为。A 带容易变形和磨损B 带在带轮上打滑C 带的弹性滑动7既包含定轴轮系部分,又包含周转轮系部分或由几个单一周转轮系组成的轮系称为。A、周转轮系 B、定轴轮系 C、复合轮系8滚动轴承 70312中的“7”表示。A 类型代号 B 宽度系列代号 C
4、直径系列代号9_属于固定式刚性联轴器。A 套筒联轴器B 滑块联轴器C 齿轮联轴器10在销联接中,圆柱销靠配合固定在销孔中。A 间隙 B 过渡C 过盈11两轴呈水平布置的带传动,为了增大包角,应将松边放置在。A 下侧 B 上侧 C 都可以12由于转轴的弯曲应力和扭切应力的循环特性不同,因此在计算当量应力时需对转矩进行修正,对于不变的转矩,其修正系数是。A 0.3B0.6C 1 13为了便于加工,一根轴上不同轴段的两个键槽的相互位置应为_ A 180 B 120 C 0三、计算与分析题(共6 题,每题 8 分,共 48 分)1.计算图 1 所示机构的自由度;如果有复合铰链、局部自由度或虚约束,请指
5、出。并判断该机构的运动是否确定。2如图 2 所示,已知 AB=100mm,BC=240mm,偏距 e=60mm,且 AB是主动件;试确定:1)该机构的类型?此机构有无急回运动?2)求该机构的行程速比系数K。3一对外啮合正常齿制渐开线标准直齿圆柱齿轮;已知m=2.5 mm,=20,Z1=20,Z2=60,安装中心距 a=102 mm。(cos20o=0.94)试计算 1)小齿轮的分度圆直径、齿顶圆直径、齿根圆直径;2)计算两个齿轮的节圆半径;3)这对齿轮是否属于标准安装?4在图 3 所示的由圆锥齿轮构成的周转轮系中,已知Z1=20,Z2=24,Z2=30,Z3=40,n1=n3=120 r/mi
6、n,并设 n1 与 n3转向相反。求 nH的大小及方向?5.在图 4 所示的二级斜齿轮传动,1 轮主动,转向和旋向如图所示,图 1 图 2 B C A 文档编码:CY3Z3C2J2C2 HJ2N3N9Q8Q3 ZQ2J3C7K4H7文档编码:CY3Z3C2J2C2 HJ2N3N9Q8Q3 ZQ2J3C7K4H7文档编码:CY3Z3C2J2C2 HJ2N3N9Q8Q3 ZQ2J3C7K4H7文档编码:CY3Z3C2J2C2 HJ2N3N9Q8Q3 ZQ2J3C7K4H7文档编码:CY3Z3C2J2C2 HJ2N3N9Q8Q3 ZQ2J3C7K4H7文档编码:CY3Z3C2J2C2 HJ2N3N9
7、Q8Q3 ZQ2J3C7K4H7文档编码:CY3Z3C2J2C2 HJ2N3N9Q8Q3 ZQ2J3C7K4H7文档编码:CY3Z3C2J2C2 HJ2N3N9Q8Q3 ZQ2J3C7K4H7文档编码:CY3Z3C2J2C2 HJ2N3N9Q8Q3 ZQ2J3C7K4H7文档编码:CY3Z3C2J2C2 HJ2N3N9Q8Q3 ZQ2J3C7K4H7文档编码:CY3Z3C2J2C2 HJ2N3N9Q8Q3 ZQ2J3C7K4H7文档编码:CY3Z3C2J2C2 HJ2N3N9Q8Q3 ZQ2J3C7K4H7文档编码:CY3Z3C2J2C2 HJ2N3N9Q8Q3 ZQ2J3C7K4H7文档编码
8、:CY3Z3C2J2C2 HJ2N3N9Q8Q3 ZQ2J3C7K4H7文档编码:CY3Z3C2J2C2 HJ2N3N9Q8Q3 ZQ2J3C7K4H7文档编码:CY3Z3C2J2C2 HJ2N3N9Q8Q3 ZQ2J3C7K4H7文档编码:CY3Z3C2J2C2 HJ2N3N9Q8Q3 ZQ2J3C7K4H7文档编码:CY3Z3C2J2C2 HJ2N3N9Q8Q3 ZQ2J3C7K4H7文档编码:CY3Z3C2J2C2 HJ2N3N9Q8Q3 ZQ2J3C7K4H7文档编码:CY3Z3C2J2C2 HJ2N3N9Q8Q3 ZQ2J3C7K4H7文档编码:CY3Z3C2J2C2 HJ2N3N9
9、Q8Q3 ZQ2J3C7K4H7文档编码:CY3Z3C2J2C2 HJ2N3N9Q8Q3 ZQ2J3C7K4H7文档编码:CY3Z3C2J2C2 HJ2N3N9Q8Q3 ZQ2J3C7K4H7文档编码:CY3Z3C2J2C2 HJ2N3N9Q8Q3 ZQ2J3C7K4H7文档编码:CY3Z3C2J2C2 HJ2N3N9Q8Q3 ZQ2J3C7K4H7文档编码:CY3Z3C2J2C2 HJ2N3N9Q8Q3 ZQ2J3C7K4H7文档编码:CY3Z3C2J2C2 HJ2N3N9Q8Q3 ZQ2J3C7K4H7文档编码:CY3Z3C2J2C2 HJ2N3N9Q8Q3 ZQ2J3C7K4H7文档编码
10、:CY3Z3C2J2C2 HJ2N3N9Q8Q3 ZQ2J3C7K4H7文档编码:CY3Z3C2J2C2 HJ2N3N9Q8Q3 ZQ2J3C7K4H7文档编码:CY3Z3C2J2C2 HJ2N3N9Q8Q3 ZQ2J3C7K4H7文档编码:CY3Z3C2J2C2 HJ2N3N9Q8Q3 ZQ2J3C7K4H7文档编码:CY3Z3C2J2C2 HJ2N3N9Q8Q3 ZQ2J3C7K4H7文档编码:CY3Z3C2J2C2 HJ2N3N9Q8Q3 ZQ2J3C7K4H7文档编码:CY3Z3C2J2C2 HJ2N3N9Q8Q3 ZQ2J3C7K4H7文档编码:CY3Z3C2J2C2 HJ2N3N9
11、Q8Q3 ZQ2J3C7K4H7文档编码:CY3Z3C2J2C2 HJ2N3N9Q8Q3 ZQ2J3C7K4H7文档编码:CY3Z3C2J2C2 HJ2N3N9Q8Q3 ZQ2J3C7K4H7文档编码:CY3Z3C2J2C2 HJ2N3N9Q8Q3 ZQ2J3C7K4H7文档编码:CY3Z3C2J2C2 HJ2N3N9Q8Q3 ZQ2J3C7K4H7文档编码:CY3Z3C2J2C2 HJ2N3N9Q8Q3 ZQ2J3C7K4H7文档编码:CY3Z3C2J2C2 HJ2N3N9Q8Q3 ZQ2J3C7K4H7文档编码:CY3Z3C2J2C2 HJ2N3N9Q8Q3 ZQ2J3C7K4H7文档编码
12、:CY3Z3C2J2C2 HJ2N3N9Q8Q3 ZQ2J3C7K4H7文档编码:CY3Z3C2J2C2 HJ2N3N9Q8Q3 ZQ2J3C7K4H7文档编码:CY3Z3C2J2C2 HJ2N3N9Q8Q3 ZQ2J3C7K4H7文档编码:CY3Z3C2J2C2 HJ2N3N9Q8Q3 ZQ2J3C7K4H7文档编码:CY3Z3C2J2C2 HJ2N3N9Q8Q3 ZQ2J3C7K4H7求:1)为使轴轴向力小,合理确定各齿轮旋向;2)画出各齿轮受力方向。图 36如图 5 所示在轴的两端反装一对型号为7208B轴承。已知两轴承的径向载荷1rF=6000N,2rF=4000N,轴上的轴向载荷aK
13、=1800N,方向如图。试求:1)两轴承内部轴向力1S、2S的大小,并画出其方向;2)计算两轴承的轴向载荷1aF、2aF;3)计算两轴承的当量动载荷1P、2P。(提示:70000B:1、内部轴向力 S=1.14rF2、e=1.14,当aF/rFe 时,X=1,Y=0;当aF/rFe 时,X=0.35,Y=0.57)n4231图 4 图图 5 文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C
14、8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6
15、C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z
16、6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4
17、Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M
18、4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6
19、M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D
20、6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8内蒙古科技大学2008/2009 学年第一学期机械设计基础考试试题(A卷)课程号:64000209 考试方式:闭卷使用专业、年级:成型、冶金、建环、材料、热能、矿物、采矿、安全、稀土、无机 06 等各班任课教师:王春香、关丽坤、高耀东、韩利、李震、李丽、高琳考试时间:2009.1.8 备注:一、填空题(共 9 题,每空 1 分
21、,共 25 分)1机构中的构件分为、和。2一个作平面运动的自由构件有个自由度,如果将它与另外一个构件联接构成回转副,则它将失去个自由度。3在曲柄摇杆机构中,当曲柄等速转动时,摇杆往复摆动的平均速度不同的运动特性称为。4一对渐开线直齿圆柱齿轮传动的正确啮合条件是、。5 一对外啮合正常齿制渐开线标准直齿圆柱齿轮机构,已知:m=3mm,齿数 z1=20,z2=80,安装中心距 a=150mm,这对齿轮的传动比i12=,齿轮 1 的齿顶圆直径 da1=mm,齿根圆直径 df1=mm,齿轮 1 的节圆直径 d1=mm,这对齿轮的啮合角=。6.自由度为 1 的周转轮系称为轮系,自由度为2 的周转轮系称为轮
22、系。7按照形成螺纹的平面图形形状可将螺纹分为、。8普通 V 带的截面楔角为,考虑到带在带轮上弯曲时,能保证两者良好的接触,V 带轮的轮槽楔角要比V 带的截面楔角。9滚动轴承的基本结构由 _、_、_和四部分组成的。二、选择题(共 10 题,每空 2 分,共 20 分)三、1压力角可作为判断机构传力性能的标志,压力角越大,机构传力性能。A.越好 B.越差 C.不受影响2在曲柄摇杆机构中,若将摇杆长度改变为无穷大,可得到。A.曲柄滑块机构B.摇块机构C.定块机构文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10
23、V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I1
24、0V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I
25、10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2
26、I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P
27、2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10
28、P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR1
29、0P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C83.渐开线齿轮的标准压力角是指上的压力角。A.基圆B.分度圆C.齿顶圆4.用范成法加工下述渐开线标准直齿圆柱齿轮时,齿数不根切。A.10B.15 C.205.锥形轴与轮毂的键联接宜用。A.平键联接 B.半圆键联接
30、C.花键联接6.对正确啮合的标准渐开线齿轮作减速传动时,如小轮1 和大轮 2 的材料、热处理及齿面硬度均相同,则齿根弯曲应力。AF1F 2BF1F2CF1=F 27.斜齿轮传动齿根弯曲疲劳强度的齿形系数FY,须依据查取。A实际齿数B当量齿数C螺旋角8.当滚动轴承承受的载荷为基本额定动载荷时,且fP=1、fT=1,则轴承的寿命为。A106转 B.106/60 小时 C.无法确定9.深沟球轴承,内径100mm,正常宽度,直径系列为2,公差等级为 0 级,游隙级别为 0,其代号为。A60220/C0 B6220/P0C6220 10属于固定式刚性联轴器。A套筒联轴器B.滑块联轴器C.齿轮联轴器三、简
31、答题(共 3 题,每题 5 分,共 15 分)1.摩擦型带传动在工作时,带经受哪些应力,最大应力发生在何处?2.分别说明下图中螺纹防松使用的哪种基本原理,防松方法或装置是什么?(a)(b)(c)第 2 题图3.指出图示结构中不合理或错误之处,并说明原因。(不用考虑轴上过渡圆角)文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6
32、ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6
33、 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P
34、6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5
35、P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V
36、5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10
37、V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I1
38、0V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8第 3 题图四、计算题(共3 题,共 26 分)1.(8 分)计算图 1 所示机构的自由度;如果有复合铰链、局部自由度或虚约束,请指出,并判断该机构的运动是否确定。第 1 题图第 2 题图2.(8 分)图示轮系中,已知各轮齿数为:z1=15,z2=25,z2=20,z3=60,n1=200r/min,n3=50r/min,转向如图所示,试求行星架H 的转速 nH的大小和方向。3.(10 分)
39、某锥齿轮减速器主动轴选用外圈窄边相对安装的 30307 轴承支承,已知轴上的轴向外载荷 Ka=500N,方向如图所示,两轴承的径向载荷分别为 Fr1=1000N,Fr2=2000N,试求:(1)两轴承的内部轴向力 S1、S2,并在图中标出其方向;(2)两个第 3题图轴承的轴向载荷 Fa1、Fa2;(2)两轴承的当量动载荷P1、P2。提示:30000 型轴承1、内部轴向力0.2632rrFSFY2、判别系数 e=0.32,当arFeF时,1,0XY;当eFFra时,0.4X,9.1Y 五、分析题(共 2 题,共 14 分)1(8 分)如图所示传动形式为“直齿圆锥齿轮斜齿圆柱齿轮”两级传动,轴为主
40、动轴。在要求轴上所受到的轴向力最小的前提下,试回答问题或在图中画出:文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD1
41、0W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD
42、10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:C
43、D10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:
44、CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码
45、:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编
46、码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8各轴
47、的转向(2 分);各轮的轴向力方向(3 分);斜齿圆柱齿轮 3、4 的旋向(3 分)。第 1 题图第 2 题图2(6 分)如图所示机构,已知:AB=50 mm,AC=100 mm,AB 是原动件。试确定:1)这是什么机构?(2分)2)机构的极位夹角,并在图中标出;(2 分)3)此机构的传动角。(2分)1234n1IIIIIIII1324n1II I I文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6
48、M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D
49、6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2
50、D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ2D6M4Z6C8文档编码:CD10W4G3R1I2 HR10P2I10V5P6 ZQ