Hand vibration transmission evaluation and vibration transmission characteristics test of hand-held rice transplanter
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    Abstract:

    Taking the handle of a hand-held rice transplanter and the arm of a vibration receiver as the research object,the hand-transmitted vibration of the hand-held rice transplanter under two different working conditions was evaluated by using the method of daily vibration exposure based on the total vibration value. The results of calculation showed that the daily vibration exposure of the hand-held rice transplanter was 2.442 m/s2,meeting the requirements of the EU directive. The results of analyzing the vibration response and transmission characteristics of human arm showed that when the vibration at the handle of the hand-held rice transplanter was transmitted to the arm under two working conditions,the vibration was gradually attenuated. When operating the hand -held rice transplanter,the wrist absorbed the most vibration energy. The hand had poor absorption of vibration energy around 8-16 Hz and 100 Hz. Considering that the middle frequency vibration around 100 Hz is the main cause of Raynaud’s disease,the medium frequency vibration of about 100 Hz should be the focus of research and control of the hand-transmitted vibration of the transplanter in the future.

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刘爽,徐红梅,李航,王成龙,姜威,董佳俊. Hand vibration transmission evaluation and vibration transmission characteristics test of hand-held rice transplanter[J]. Jorunal of Huazhong Agricultural University,2020,39(1):151-160.

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History
  • Received:March 11,2019
  • Revised:
  • Adopted:
  • Online: January 07,2020
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