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连杆机构 Link mechanism

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连杆机构
连杆存在于车库门装置,汽车擦装置,齿轮移动装置中。它是一给予很少关注的机械工程学的组成部分。联杆是具有两个或更多运动副元件的刚性机构,用它的连接是为了传递力或运动。在每个机器中,在运动期间,联杆或者占据一相对于地面的固定位置或者作为一个整体来承载机床。这些连杆是机器主体被称为固定连杆。基于由循环的或滑动的分界面的元件连接的布局被称作连接。这类旋转的和菱形的连接机构被称作低副。高副基于接触点或弯曲分界面的。低副的例子包括铰链循环的轴承和滑道以及万向接头。高副的例子包括通信区主站和齿轮。动力分析得到,根据机件几何学有利条件研究是一特别的机构,它是识别输入角速度和角加速度等等的运动。运动合成作用是处理机构设计到完成完成要求的任务。这里, 两者的选择类型和新的机制尺寸可能是运动学的综合部份。

Link mechanism
Linkages include garage door mechanisms, car wiper mechanisms, gear shift mechanisms.  They are a very important part of mechanical engineering which is given very little attention...A link is defined as a rigid body having two or more pairing elements which connect it to other bodies for the purpose of transmitting force or motion .   In every machine, at least one link either occupies a fixed position relative to the earth or carries the machine as a whole along with it during motion.    This link is the frame of the machine and is called the fixed link.An arrangement based on components connected by rotary or sliding interfaces only is called a linkage.   These type of connections, revolute and prismatic, are called lower pairs. Higher pairs are based on point line or curve interfaces.

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