Provided is a ship propelling apparatus including a rotation shaft on which a rear propeller is fixed; a front propeller rotatably supported on the rotation shaft in front of the rear propeller; and a counter-rotating device through which the rotation shaft passes, which includes a gear box including therein a plurality of gears configured to reverse rotation of the rotation shaft and transfer the reversed rotation to the front propeller, and which is installed in an installation space formed at the rear of a ship. A fixing flange provided at the front of the gear box includes a separation groove which is a through-groove, wherein the gear box is separated from the installation space by applying a force to the gear box by inserting a bolt into the separation groove.
SHIP PROPELLING APPARATUS
SCHIFFSANTRIEBSVORRICHTUNG
APPAREIL DE PROPULSION DE NAVIRE
2020-07-08
Patent
Electronic Resource
English
IPC: | B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING |