## 留言板

 引用本文: 齐朝晖, 宋慧涛. 一般起升机构吊重轨迹偏差分析[J]. 应用数学和力学, 2014, 35(4): 444-458.
QI Zhao-hui, SONG Hui-tao. Deflection Analysis of Load Trajectories for General Hoisting Mechanisms[J]. Applied Mathematics and Mechanics, 2014, 35(4): 444-458. doi: 10.3879/j.issn.1000-0887.2014.04.010
 Citation: QI Zhao-hui, SONG Hui-tao. Deflection Analysis of Load Trajectories for General Hoisting Mechanisms[J]. Applied Mathematics and Mechanics, 2014, 35(4): 444-458.

• 中图分类号: TH11

## Deflection Analysis of Load Trajectories for General Hoisting Mechanisms

Funds: The National Natural Science Foundation of China(10972044)
• 摘要: 提出了一种分析一般起升机构吊重轨迹偏差的系统化方法.通过系统平衡方程与协调条件建立了系统位移、钢丝绳拉力等参数所满足的一阶微分方程.详细讨论了方程中涉及的各种变量的性质和计算方法，得到了空间滑轮公切点位移和速度、钢丝绳拉力方向及其变化率，给出了卷筒参数协调条件、系统绳长协调条件，并提出了一种求解空间滑轮角速度的方法.滑轮的转动方向决定了其两端拉力关系，然而微分方程求解过程中可逐步求得各滑轮角速度，所以针对双联卷筒单分支缠绕的系统，该方法解决了系统中有滑轮转动方向难以确定的问题.这些问题的解决方法具有一定的普适性，对于一般起升机构的设计和分析有一定的参考价值.
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##### 出版历程
• 收稿日期:  2013-10-23
• 修回日期:  2014-02-26
• 刊出日期:  2014-04-15

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