Examples of use cases for connection methods with linear motion mechanisms

Cylinder piston rod connection method

1, principle of connection method of linear motion mechanism

The linear motion mechanism has the following 2 typical connection methods.

● In the rotary type, the coupling absorbs rotational runout and transmits rotational motion when moving linearly.

● In the direct-acting type, the cylinder and the movable body are connected through a floating joint. The "play" provided by a floating joint serves the same purpose as a coupling.

● If the cylinder is directly connected to the movable body without using a floating joint, it will directly overload the piston gasket in the cylinder, which may cause cylinder failure.

2, floating joint use case

[Figure 1] is the standard connection method for cylinders and floating joints.

[Figure 2] is a diagram showing the components of the floating joint.

It consists of four parts: bracket, nut, connecting ring and bolt. The space inside the bracket has the "play" of a nut.

[Picture 3] and [Photo 1] are usage examples when using mounting flange type floating joints.

Source: Public account "Mechanical Engineering Literature"