杠杆传动联动装置联锁 linkage
在过去，机器内部的一整套控制系统是由硬件组成的：传动装置，杠杆和凸轮。
The control systems inside machines used to be physical: gears and levers and cams.
介绍了一种基于杠杆-铰杆增力机构的液压-机械复合传动装置的工作原理，给出了其力学计算公式。
The working principle of a kind of hydraulic-mechanical combination driving device based on lever-toggle force-amplifier was introduced in the article, its force calculation formulas are given also.
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