摘要
本文指出了傅文范等著《森林工程机械设计》（绞盘机）中涉及到的关于吊钩钩身弯曲应力公式存在的问题，并根据有关理论，提出比较符合实际的计算吊钩钩身弯曲应力的公式。
This paper points out a proplem in《Mechanial Design of Forestry Engirieer-ing》Writted by Fu Wenfan that formula in calculating the bend stress of the hook.Accordingto relative theory, Formula in with the compavative reality on this proplem has been provid-ed.
关键词
吊钩
弯曲应力
平面曲梁理论
计算
bend stress
theory about the bending of curvedbars
