Elastic sleeve pin coupling is a device that uses a pin with elastic elements to connect two half couplings. Its characteristic is that the end of the pin is fixed on the end disc, forming a non rigid connection. This type of coupling design can emit a large amount of energy, mainly achieved through the non rigid connection between the pin and the half coupling. When the coupling rotates, the disc and the sleeve rotate together, concentric with the half coupling under the action of centrifugal force. A floating end disk with a sleeve, pin, and elastic element forms a free inertial mass torque damper, which consumes excitation through the deformation of the elastic element. Due to the large deformation of the rubber and the high internal friction, it can emit a large amount of energy.
The main function of the elastic sleeve pin coupling is to connect two shafts (sometimes also connecting shafts and other rotating parts), so that the two shafts rotate together to transmit motion and torque, achieve the connection and separation between shafts, and thus complete the transmission and interruption of power. In addition, it also has a certain ability to compensate for the offset of two axes, in order to eliminate or reduce the additional load caused by the relative offset of the connected two axes, improve transmission performance, and extend machine life. In order to reduce the vibration of the mechanical transmission system and minimize the impact peak load, the coupling should also have certain buffering and shock-absorbing performance.
When choosing high-quality coupling products, factors to consider include the required transmission shaft speed, load size, installation accuracy of the two connected components, smoothness of rotation, price, etc. It is crucial to select a suitable type of coupling based on the characteristics of various types of couplings to ensure the normal operation of the mechanical system. For example, for high-speed transmission shafts, couplings with high balance accuracy should be selected, rather than using slide couplings with eccentricity
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