The function and type of universal coupling

1. Coupling function

It is used to connect the two shafts together. The two shafts cannot be separated when the machine is running. They can be separated only after the machine stops and disconnects the connection.

2. Type of coupling

Due to manufacturing and installation errors, deformation after loading and the influence of temperature change, the two shafts connected by the coupling will cause the change of the relative position of the two shafts, often can not ensure strict alignment. According to whether the coupling has elastic elements, whether there is compensation ability for various relative displacement, that is, whether the coupling function can be maintained under the condition of relative displacement and the purpose of the coupling, the coupling can be divided into rigid coupling, flexible coupling. The main types and characteristics of the coupling and their roles in the driving system.

Rigid couplings can only transmit motion and torque, and do not have other functions including flange couplings, sleeve couplings, clamped coupling, etc.

Flexible coupling flexible coupling of inelastic elements, not only can transfer motion and torque, but also has different degrees of axial, radial, angular compensation performance, including gear coupling, universal coupling, chain coupling, slider coupling, diaphragm coupling, etc.

Flexible coupling with elastic elements, capable of transmitting motion and torque; With different degrees of axial, radial and angular compensation performance; Also has different degrees of damping, buffering effect, improve the performance of the transmission system, including a variety of non-metallic elastic elements flexible coupling and metal elastic elements flexible coupling, various elastic coupling structure is different, the difference is large, in the transmission system is not the same.

Flexible coupling also has different degrees of compensation performance including pin type, friction type, magnetic powder type, centrifugal type, hydraulic type coupling.