往复泵曲轴受力分析
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TH123 .3

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成都大学2010年自然科学青年基金项目


Reciprocating pump crankshaft stress analysis
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    摘要:

    五缸往复泵相比同功率三缸泵具有体积小,运移方便等优点,五缸泵由于考虑到平衡,在曲轴上曲拐的分布上具有明显的特点,相邻曲拐间的角度是144度,这样曲轴受力状态更加复杂。尤其是增加曲轴轴承约束后,产生的静不定问题。通过建立曲轴以角度为变量的受力表达式,利用Mathcad软件得到曲轴在各个状态的受力状况,同时通过Ansys有限元分析工具得到各个状态的应力分布图,得出五拐曲轴扭矩更加平稳的结论,解释了为何正常工况下使用顺时针,即便是逆时针对曲轴强度更有利。对曲轴的校核和做进一步的优化有重要参考价值。

    Abstract:

    Compared to the same five-cylinder reciprocating pump power triplex pump is small, and easy migration, but the five-cylinder pump on account balance, the distribution of the crankshaft on the crankshaft that has distinctive features, the angle between adjacent crankshaft is 144 degrees, so that more complex force state crankshaft. In particular, the binding is to increase the crankshaft bearings, the resulting statically indeterminate problem. Through the establishment of crank angle for the variable to force the expression, use of Mathcad software are in various states crank force status, while the finite element analysis tools by Ansys get the stress distribution in various states, resulted in a five crankshaft torque more smoothly The conclusion explains why the use of normal operating conditions clockwise, counterclockwise on the crankshaft strength even better. Check on the crankshaft and further optimization of important reference value.

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汪历. 往复泵曲轴受力分析[J]. 科学技术与工程, 2010, (31): .
wangli. Reciprocating pump crankshaft stress analysis[J]. Science Technology and Engineering,2010,(31).

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历史
  • 收稿日期:2010-08-03
  • 最后修改日期:2010-08-23
  • 录用日期:2010-08-16
  • 在线发布日期: 2010-09-29
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