Designed taking into account the operating lever of the fitting and the shaft support, easier to install.

设计上同时考虑操作杆的贴合及传动轴的支撑，更易于安装。

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The lever method is used to calculate the load transverse distribution in the section of support point.

在支点截面的荷载横向分布计算中，一般采用杠杆法。

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Furthermore, one hand lever (5) is connected by a joint to one of the jaws (7), and a pressure support is located between the hand levers (4, 5) for the formation of a toggle (K).

另外，一个手柄(5)通过接头连接到其中一个钳口(7)，并且压力支撑件位于手柄(4,5)之间用于形成曲柄杠杆机构(K)。

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