Synchronous belt tensioning mechanism and tensioning method
A technology of tensioning mechanism and synchronous belt, which is applied in the field of belt transmission, can solve the problems of poor adjustment accuracy of synchronous belt tension, achieve the effects of improving performance, increasing service life, and avoiding resonance noise
Active Publication Date: 2021-02-26
GREE ELECTRIC APPLIANCES INC
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Problems solved by technology
[0003] Therefore, the technical problem to be solved in this disclosure is that the adjustment accuracy of the timing belt tension force in the related art is poor, and it can only be performed during the installation process or when the equipment is stopped, so as to provide a timing belt tensioning mechanism and a tensioning method
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[0042] In order to make the purpose, technical solution and advantages of the present disclosure clearer, the technical solution of the present disclosure will be clearly and completely described below in conjunction with specific embodiments of the present disclosure and corresponding drawings. Apparently, the described embodiments are only some of the embodiments of the present disclosure, but not all of them. Based on the embodiments in the present disclosure, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present disclosure.
[0043] to combine Figure 1 to Figure 2 As shown, the present embodiment provides a synchronous belt tensioning mechanism, including: a motor 5, a synchronous pulley 11 at the motor end, a synchronous pulley 10 at the load end, the synchronous pulley 11 at the motor end is arranged on the output shaft of the motor 5, and the motor Timing belt 9 is arranged ...
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The invention provides a synchronous belt tensioning mechanism and tensioning method. The synchronous belt tensioning mechanism comprises a motor, a motor end synchronous belt wheel and a load end synchronous belt wheel, wherein the motor end synchronous belt wheel is arranged on a motor output shaft, and a synchronous belt is arranged on the motor end synchronous belt wheel and the load end synchronous belt wheel; an adjusting device is configured to adjust the distance between the motor end synchronous belt wheel and the load end synchronous belt wheel, so that the synchronous belt obtains different tension forces; and a calculation module calculates the transverse natural vibration frequency fm and the meshing impact frequency fn of the synchronous belt, judges whether the transverse natural vibration frequency fm coincides with the meshing impact frequency fn or not, and feeds back whether the tensioning force needs to be adjusted or not. According to the synchronous belt tensioning mechanism, on the basis of the noise vibration theory of the synchronous belt, the optimal tensioning force needed by the synchronous belt is determined by comparing the transverse natural vibrationfrequency and the meshing impact frequency of the synchronous belt, the tensioning force is automatically adjusted within a proper range to avoid resonance noise and vibration, the performance of thesynchronous belt is improved, and the service life of the synchronous belt is prolonged.
Description
technical field [0001] The disclosure belongs to the technical field of belt transmission, and in particular relates to a synchronous belt tensioning mechanism and a tensioning method. Background technique [0002] The synchronous belt resonance noise is the main component of the synchronous belt noise, and the synchronous belt resonance noise is mainly caused by the resonance caused by the coincidence of the synchronous belt meshing impact frequency and the synchronous belt transverse natural frequency. For the same synchronous belt, the synchronous belt meshing impact noise frequency depends on the synchronous belt speed, and the synchronous belt transverse natural frequency depends on the synchronous belt tension. Therefore, in order to avoid synchronous belt resonance, it is necessary to control and adjust the synchronous belt tensioner at any time. In related technologies, the tension adjustment is mainly manual pre-tightening based on experience, or the tension adjust...
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IPC IPC(8): F16H7/14F16H7/02
CPCF16H7/14F16H7/0829F16H7/02
Inventor 刘治利文智明张荣婷张冬冬贾惠玲彭诚
Owner GREE ELECTRIC APPLIANCES INC