FIELD: shipbuilding.
SUBSTANCE: invention relates to the field of shipbuilding, namely to navigable propulsion devices that provide movement and maneuvering of the vessel. The propeller contains a hub and at least two removable blades, each of which has a root part made with a dovetail shaped surface for installation in the slot of the hub, which has a rectangular base with the number of slots equal to the number of blades and made in the form , opposite to the "dovetail" with the possibility of installing blades in them due to their movement along the longitudinal axis of symmetry of the hub. The propeller at the free end has a fairing for fixing it on the propeller shaft through a lock washer.
EFFECT: reduction of the volume of assembly and disassembly of the propulsion unit.
1 cl, 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| 0 |
|
SU292420A1 | |
| PROPELLER | 1993 |
|
RU2071438C1 |
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|
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| ASSEMBLY FOR CONNECTING A COMPOSITE BLADE TO A METAL PROPELLER HUB | 2017 |
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|
RU2780771C1 |
| 0 |
|
SU1782777A1 | |
| SCREW PROPELLER OF SCREW-STEERING COLUMN OF WATER VESSEL AND SCREW-STEERING COLUMN WITH SAID SCREW PROPELLER | 2019 |
|
RU2708696C1 |
| HUB OF PROPELLER WITH VARIABLE PITCH BLADES | 2010 |
|
RU2534401C2 |
