Viscous damping vibration attenuation flexible coupling

Abstract

The high-speed flexible coupling comprises a transmission shaft, and the end of the transmission shaft is connected with a flexible piece and an adapter from inside to outside. A deformation ring groove is annularly formed in the axial middle of the flexible part and divides the flexible part into an inner end face and an outer end face; a flexible piece outer end face connecting screw hole and a flexible piece outer end face pin hole are drilled in the flexible piece outer end face; an outer end center deformation groove and an outer end surrounding deformation groove are formed in the outer end face of the flexible piece, and the outer end center deformation groove penetrates through the middle of the outer end face of the flexible piece. The structure is simple, and the types of parts are few; and radial and angular misalignment between the output shaft and the input shaft can be compensated. Meanwhile, the positioning pin is adopted for connection, so that no gap or idle stroke exists when torque is transmitted between the input shaft and the output shaft, torque transmission is more stable, and impact is avoided. When unpreset axial impact occurs in a system, the limiting pin can play a role in axial limiting, the flexible piece is protected against damage, and the service life of the coupler is prolonged.

Description

technical field [0001] The invention relates to a viscous damping vibration damping flexible coupling, which adopts a viscous damping device to realize energy consumption and vibration damping in structure, can suppress unfavorable alternating impact torque while transmitting steady-state torque, and is suitable for torque applications with large fluctuations. Background technique [0002] In the field of modern mechanical transmission, the problems of alternating shock torque and vibration are common and have attracted more and more attention. In order to avoid adverse effects such as fatigue damage caused by vibration, vibration reduction requirements have been widely incorporated into the design and manufacture of mechanical equipment. [0003] Existing flexible couplings, such as those described in the applicant's application 200820039003.6, can achieve the functions of transmitting torque and compensating for misalignment, but they cannot play a significant role in buf...

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