| 铰链四杆机构中RRR杆组装配模式 |
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| 引用本文： | 于潇雁,叶仲和,蓝兆辉. 铰链四杆机构中RRR杆组装配模式[J]. 福州大学学报(自然科学版), 2008, 36(4): 551-555 |
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| 作者姓名： | 于潇雁 叶仲和 蓝兆辉 |
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| 作者单位： | 福州大学机械工程及自动化学院,福建,福州,350002 |
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| 摘 要： | 铰链四杆机构中的RRR二级杆组可能存在2种装配模式.运用几何学中三角形三边长的关系对铰链四杆机构中RRR杆组的装配模式进行探讨,得到铰链四杆机构中的RRR杆组两杆件共线的条件,进而结合Grashof条件得到了各种铰链四杆机构死点存在情况及在整个运动过程中RRR杆组装配模式发生变化的可能性.
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| 关 键 词： | 铰链四杆机构 RRR杆组 装配模式 Grashof条件 |
The assembly modes of RRR Assur group in a revolute four-bar mechanism |
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| YU Xiao-yan,YE Zhong-he,LAN Zhao-hui. The assembly modes of RRR Assur group in a revolute four-bar mechanism[J]. Journal of Fuzhou University(Natural Science Edition), 2008, 36(4): 551-555 |
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| Authors: | YU Xiao-yan YE Zhong-he LAN Zhao-hui |
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| Affiliation: | (College of Mechanical Engineering and Automation,Fuzhou University,Fuzhou,Fujian 350002,China) |
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| Abstract: | There is likely to be two kinds of assembly modes of RRR Assur group in a revolute four-bar mechanism.The assembly modes of RRR Assur group in a revolute four-bar mechanism is discussed by applying the triangle inequality.Then the collinear condition of the two links of RRR Assur group in a revolute four-bar mechanism is found.Furthermore combined with Grashof conditon,the dead points and the diversification possibility of RRR Assur group in all kinds of revolute four-bar mechanisms are found. |
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| Keywords: | revolute four-bar mechanism RRR Assur group assembly modes Grashof conditon |
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