Development of Vibration Absorption Device for the Transportation-Trailer System(Ⅱ) - Connecting Hitch for Power Tiller-Trailer -
2005
Hong, J.H. (Hankyong National University, Ansung, Republic of Korea), E-mail: [email protected] | Lee, H.J. (Hankyong National University, Ansung, Republic of Korea) | Lee, S.B. (Hankyong National University, Ansung, Republic of Korea) | Park, W.Y. (Hankyong National University, Ansung, Republic of Korea) | Kim, S.Y. (Hankyong National University, Ansung, Republic of Korea)
The improved hitch device, which connecting the trailer to power tiller, was developed. This device, composed with spring and rubber, could reduce the vibration and shock levels during driven on off-road. The vertical vibration accelerations for the improved hitch device were measured at 6 positions, i.e. engine, hitch, seat, and three points in trailer (front, middle, and rear) for not driving but at low engine speed of 500 rpm, and compared with the existing hitch device. The results of this study could be summarized as follows; The average vibration acceleration up to 120 Hz was 0.4 ㎨ at engine part, but it was 0.08 and 0.05 ㎨ at trailer for existing and improved hitch device, respectively.
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