Abstract
급구배 등판을 위해 산악트램에서 적용하는 랙앤피니언 추진장치는 기어가 맞물리면서 발생하는 진동에 의해 객실 쾌적성을 저해하게 되어 관광객들의 불만이 되고 있다. 본 연구에서는 기존 랙앤피니언 추진 장치의 진동을 저감하기 위해 저진동 랙앤피니언 추진장치를 개발하고 시험체를 제작하여 차륜접촉 시험기를 통해 그 효과를 확인하였다. 기존 강체 랙앤피니언 추진장치에 비해 탄성 랙앤피니언 추진장치는 진동이 1/20 이하로 저감됨을 확인할 수 있었고, 탄성체의 교체를 편리하게 하기 위해 착탈 방식으로 설계하여 유지보수성도 향상시켰다. 탄성 랙앤피니언 추진장치를 산악트램에 적용하였을 시에 진동을 획기적으로 감소시켜 객실 쾌적성 향상에 크게 기여 할 수 있으리라 전망된다. Rack & pinion traction system on mountain tram for climbing steep gradient tracks makes worse the comfortability of cabin because of the vibration generated by gear contact. That is the main reason for complaint of tourists. In this study, to reduce the vibration level of the previous rack&pinion traction system, a low vibration rack&pinion traction system was developed and test models were made so that it could be verified by a wheel-rail contact testing machine. The vibration level induced by the low vibration rack&pinion traction system was 20 times less than that by the conventional rack&pinion traction system. This low vibration rack&pinion traction system can be maintained easily because simple replacement of resilient body is possible. If this resilient rack&pinion traction system is applied to a mountain tram, the vibration and noise level in cabins is reduced drastically so that the comfortability of tourists can be increased.
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