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Stern shaft tail tube device for ship and method for mounting stern shaft tail tube device

The invention discloses a stern shaft tail tube device for a ship and a method for mounting the stern shaft tail tube device. A head-end sealing device and a tail-end sealing device are respectively arranged at two ends of a tail tube of the stern shaft tail tube device. The stern shaft tail tube device is characterized in that the tail tube is structured in such a manner that an outer tail tube is in sleeve connection with an inner tail tube, the inner wall of the inner tail tube is connected with bearings at two ends of the inner tail tube in an interference fit manner, and a fixing connecting layer is arranged between the outer tail tube and the inner tail tube. The method includes steps of manufacturing the inner tail tube and the outer tail tube in workshops, and carrying out press-fitting on front and rear bearings in place to obtain an inner tail tube assembly; completely mounting the outer tail tube, then mounting the inner tail tube assembly into the outer tail tube from the tail of the outer tail tube and adjusting the inner tail tube until central lines of shaft systems are concentric; pouring the fixing connecting layer. The stern shaft tail tube device for the ship can be mounted by the aid of the steps. The stern shaft tail tube device and the method have the advantages that mounting processes can simplified, the stern shaft tail tube device can be high in positioning accuracy in mounting procedures, and hole boring can be omitted.
Owner:YICHANG DONGJIANG SHIPBUILDING CO LTD
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