- 现代机械设计手册·第1卷(第二版)
- 秦大同 谢里阳主编
- 238字
- 2020-08-28 03:26:13
第5章 常用力学公式
5.1 理论力学基本公式
5.1.1 静力学基本公式
表1-5-1 平面汇交力系、平面任意力系和空间力系的合成、简化及平衡条件
![](https://epubservercos.yuewen.com/F3E36B/16499763104627206/epubprivate/OEBPS/Images/image000387.jpg?sign=1739217630-WTkfP7HMy53BPgzM8VL9D5tCX3EJl8vx-0-85d03a2cda7792c990609bda85055f51)
![](https://epubservercos.yuewen.com/F3E36B/16499763104627206/epubprivate/OEBPS/Images/image000399.jpg?sign=1739217630-mtoLeCjqrysMmIoGr3xUjm4X45b1B880-0-560081adf9bec4a6d187966fe2aa94a8)
表1-5-2 力矩及力偶矩的计算
![](https://epubservercos.yuewen.com/F3E36B/16499763104627206/epubprivate/OEBPS/Images/image000405.jpg?sign=1739217630-haHCYVIJBTu6GSjkKk3Z0KlWM8KkIsBd-0-0f9ffb9439ab502e240bae148861b968)
5.1.2 运动学基本公式
表1-5-3 运动学基本公式
![](https://epubservercos.yuewen.com/F3E36B/16499763104627206/epubprivate/OEBPS/Images/image000411.jpg?sign=1739217630-8J6i5JMvx9wjLYLpSSyLSeXsYU9U6gst-0-d9aac7b8556753203321275c01edeb32)
![](https://epubservercos.yuewen.com/F3E36B/16499763104627206/epubprivate/OEBPS/Images/image000417.jpg?sign=1739217630-kvYdVrFmKrEFLl1PykxMNtGaDOmrfZl1-0-234c220c65b9a1e8dd8f9146e16e41dd)
表1-5-4 刚体运动的常用计算式
![](https://epubservercos.yuewen.com/F3E36B/16499763104627206/epubprivate/OEBPS/Images/image000423.jpg?sign=1739217630-6xomnIekLNeI8NpOhwojY1xuM1btgz9a-0-639350932f649b478b66e166871e8aff)
5.1.3 动力学基本公式
表1-5-5 动力学基本公式
![](https://epubservercos.yuewen.com/F3E36B/16499763104627206/epubprivate/OEBPS/Images/image000429.jpg?sign=1739217630-QhUzKQZsXwjiHAyCeIJUGhgnHxeKJIka-0-d1c51ab3ba4b8d1ce3d5085a9f3e394e)
5.1.4 常用转动惯量公式
(1)机械传动中转动惯量的换算(表1-5-6)
表1-5-6 机械传动中转动惯量的换算
![](https://epubservercos.yuewen.com/F3E36B/16499763104627206/epubprivate/OEBPS/Images/image000435.jpg?sign=1739217630-kmlgXinauA0Poy45RfnMQ03ObswY1DOc-0-a7a6f1d4d78cfc275d9d8a0e4b477581)
(2)一般物体旋转时的转动惯量(表1-5-7)
表1-5-7 一般物体旋转时的转动惯量
![](https://epubservercos.yuewen.com/F3E36B/16499763104627206/epubprivate/OEBPS/Images/image000441.jpg?sign=1739217630-lGhMO0oBIV7B0SUm7dwJpsXMM6z0CbXS-0-54eb692f7a4d038171f76d0873b7cac2)
![](https://epubservercos.yuewen.com/F3E36B/16499763104627206/epubprivate/OEBPS/Images/image000447.jpg?sign=1739217630-ZjQXcqCWtLdC2QLDpGz87fa7kQhHWck6-0-a3472fee286bff4f7c8b6b961b4e0a70)
![](https://epubservercos.yuewen.com/F3E36B/16499763104627206/epubprivate/OEBPS/Images/image000453.jpg?sign=1739217630-xrXvsA0daZ4DQQgPi8PEh0Y2xYsfqQ7f-0-25cd0a95d110a061013f1185322848ff)
![](https://epubservercos.yuewen.com/F3E36B/16499763104627206/epubprivate/OEBPS/Images/image000465.jpg?sign=1739217630-LGi0DYwCn4hYrQoJIWcyjKIf0fknfgOE-0-462a49aa4368684678781e1c78178821)
![](https://epubservercos.yuewen.com/F3E36B/16499763104627206/epubprivate/OEBPS/Images/image000471.jpg?sign=1739217630-NSkdsH74vGTyI3kEDggxaIgWSX6mBdq7-0-66ea92cbabdc6f1837b086f25f7104cc)
![](https://epubservercos.yuewen.com/F3E36B/16499763104627206/epubprivate/OEBPS/Images/image000477.jpg?sign=1739217630-Hr0k6XXcdQmWZgLPyDTfYJIX263l7cgC-0-a9b5fccf824165393a4152271b5238c2)
(3)常用旋转体的转动惯量(表1-5-8)
表1-5-8 常用旋转体的转动惯量
![](https://epubservercos.yuewen.com/F3E36B/16499763104627206/epubprivate/OEBPS/Images/image000483.jpg?sign=1739217630-Vbx7j5JBYb166lma1JL59xjXbxE2cCaJ-0-b5e2a2f4d5902b8a671b81de9c771922)
注:表中部分零件只给出主要尺寸,计算出的转动惯量是近似的。