Disclosed is a ship propulsion device. According to an embodiment of the present invention, the ship propulsion device comprises: a rear propeller fixated to an inner shaft; a front propeller supported to be rotatable on the inner shaft at the front of the rear propeller and rotating in an opposite direction to the rear propeller; an inner sleeve comprising a bearing assembly installed between the inner shaft and a hub of the front propeller and coupled to an outer surface of the inner shaft; a bearing having an inner ring coupled to an outer surface of the inner sleeve; and an outer sleeve having an inner surface coupled to an outer surface of an outer ring of the bearing and an outer surface corresponding and coupled to a tapered support surface formed on the front propeller hub. The present invention intends to provide a ship propulsion device capable of realizing accurate installation of peripheral parts connected to a propeller and a bearing mounted inside the propeller.
선박 추진장치 및 그 설치방법을 개시한다. 본 발명의 실시 예에 따른 선박 추진장치는 내축에 고정된 후방프로펠러; 후방프로펠러 전방의 내축에 회전 가능하게 지지되며 후방프로펠러와 반대로 회전하는 전방프로펠러; 및 전방프로펠러의 허브와 내축 사이에 설치되는 베어링조립체를 포함하고, 베어링조립체는 내축의 외면에 결합되는 내측슬리브; 내륜이 내측슬리브 외면에 결합되는 베어링; 및 내면이 베어링의 외륜 외면에 결합되고 외면이 전방프로펠러 허브에 형성된 테이퍼형 지지면에 대응하여 결합되는 외측슬리브를 포함한다.
PROPULSION APPARATUS OF SHIP AND INSTALLATION METHOD THEREOF
선박 추진장치 및 그 설치방법
2017-05-08
Patent
Electronic Resource
Korean
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