| 共线铰链连杆机构的几个运动特性及其研究 |
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| 引用本文： | 王洪书,孙善志,等.共线铰链连杆机构的几个运动特性及其研究[J].吉林工学院学报,1990,11(1):35-38. |
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| 作者姓名： | 王洪书 孙善志 |
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| 作者单位： | 吉林工学院机械工程系
(王洪书，孙善志)，吉林工学院机械工程系(王洪烈) |
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| 摘 要： | 共线铰链连杆机构在共线位置瞬时出现运动不确定现象及部分瞬心无法求出等运动特性，这是众所周知的。本文利用广义坐标虚位移线性方程的雅可比矩阵求秩，论证了共线位置时运动不确定的特性，其次论证了共线位置时机的部分瞬心用常规方法不能确定的特性。最后提出求机构共线位置全部瞬心的方法。
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| 关 键 词： | 雅可比矩阵 速度瞬心 平面机构自由度 共线铰链连杆机构 运动特性 共线位置 |
The Movement Characferistics of the Link Mechanism with the Co-Line Linkage |
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| Wang Hongshu Sun Shangzhi Wang Honglie,The Machanical Engineering.The Movement Characferistics of the Link Mechanism with the Co-Line Linkage[J].Journal of Jilin Institute of Technology,1990,11(1):35-38. |
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| Authors: | Wang Hongshu Sun Shangzhi Wang Honglie The Machanical Engineering |
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| Institution: | Wang Hongshu Sun Shangzhi Wang Honglie
The Machanical Engineering Department |
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| Abstract: | This paper, by means of solution of jacobi matrix, demonstrated that the movement of the link mechanism is not definite at the co-line position, and that there is no way to find out several instantaneous centers. Mean while, it brought forward a new method to find out all of the instantaneous centers when the mechanism is at the co-line position. |
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| Keywords: | jacobi matrix velocity instant centers |
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