TURNOVER UNIT FOR LARGE PROPELLER

PURPOSE: Turnover units for a large propeller is provided to easily turn over propellers of variable shapes by jointing a pair of conical propeller boss cone clamps to the central shaft of a large propeller. CONSTITUTION: Upper frames(22,22') are installed to the upper part of the lower frames(...

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Bibliographische Detailangaben
Hauptverfasser:	JUNG, MUN YEONG, LEE, BYEONG HEON, PARK, DEOK SU
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	MARINE PROPULSION OR STEERING PERFORMING OPERATIONS RELATED EQUIPMENT SHIPS OR OTHER WATERBORNE VESSELS TRANSPORTING
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	PURPOSE: Turnover units for a large propeller is provided to easily turn over propellers of variable shapes by jointing a pair of conical propeller boss cone clamps to the central shaft of a large propeller. CONSTITUTION: Upper frames(22,22') are installed to the upper part of the lower frames(24,24') and main spindle(12) is fixed to the upper frames with spindle safety pins(34). Main booms(10,10') and a hydraulic motor for rotating of the booms(32) are installed in one body. The main booms are fixed with boom safety pins(30) and a boss table(14) is fixed in the middle of the main booms. The position of the boss table is controlled by plural hydraulic cylinders(40). A boss cone(16) is formed in the middle of the boss table and a hydraulic motor(36) for rotating of the spindle is installed to the upper frame(22). Plural cushioning devices(18) are formed to the lower part of the lower main boom(10').