A separate rudder that can realize forward and reverse rudder conversion
A reverse rudder and forward vehicle technology, applied in the field of ship rudders, can solve problems such as the influence of ship reverse maneuverability, influence on propeller flow effect, and influence on propeller performance, so as to achieve excellent reverse maneuverability, ensure performance, and ensure water quality. The effect of dynamic performance
Active Publication Date: 2022-07-15
HARBIN ENG UNIV
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Problems solved by technology
However, since the reversing rudder is installed in front of the propeller, and it is only used in reverse sailing, in the forward sailing state that accounts for most of the voyage time, the reversing rudder keeps a certain initial rudder angle fixed, which not only increases the resistance, but also affects the The effect of the incoming flow of the propeller, which affects the performance of the propeller
In the same way, when the ship is in reverse sailing state, the front rudder is located behind the propeller to keep a certain rudder angle fixed, which will also affect the maneuverability of the ship in reverse sailing
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[0023] The present invention will be described in more detail below in conjunction with the accompanying drawings:
[0024] combine Figure 1-9 The separation rudder that can realize the forward and reverse rudder conversion of the present invention includes an upper rudder blade adjustment mechanism 2, an upper rudder blade telescopic rotating rod 3, an upper rudder blade 4, a lower rudder blade 5, a lower rudder blade telescopic rotating rod 6, and a lower rudder blade adjustment Mechanism 7, connecting rod 8 / 11, conversion rotary rod 9 / 14, conversion rotary motor 12 / 13.
[0025] The conversion rotary motor is arranged inside the stern, and together with the conversion rotary rod constitutes a slewing mechanism for forward and reverse rudder conversion. The rudder blade adjustment mechanism 2 / 7 is fixed with the conversion rotating rod 9 / 14 through the connecting rod 8 / 11, and the rudder blade is fixed on the telescopic rotating rod 3 / 6, and moves with the movement of the t...
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The purpose of the present invention is to provide a separate rudder capable of realizing the conversion of the forward and reverse rudder, including an upper rudder blade and a lower rudder blade, the upper rudder blade is connected to the upper rudder blade adjustment mechanism through the upper rudder blade telescopic rotating rod, and the upper rudder blade adjustment mechanism is connected by The upper connecting rod is connected to the upper rudder blade conversion rotating rod, the upper rudder blade conversion rotating rod is connected to the upper rudder blade conversion motor, the lower rudder blade is connected to the lower rudder blade adjustment mechanism through the lower rudder blade telescopic rotation rod, and the lower rudder blade adjustment mechanism is connected through the lower connecting rod. Connect the lower rudder blade conversion rotary rod, and the lower rudder blade conversion rotary rod is connected to the lower rudder blade conversion motor. In the forward driving state, the upper rudder blade and the lower rudder blade are attached to the forward driving rudder and located behind the propeller. In the reverse state, the upper rudder blade Align with the lower rudder blade and in front of the propeller. The invention not only improves the shortcomings of the currently commonly used combined propulsion control system, but also retains its original functions and advantages, thereby better improving the ship's handling performance.
Description
technical field [0001] The invention relates to a ship control device, in particular to the rudder of a ship. Background technique [0002] Most of the inland waterways are narrow and there are many ships passing by. Ships turn, avoid collisions, dock and leave docks, and enter and exit ship locks frequently. Therefore, in addition to requiring the ship to have excellent forward maneuvering performance, the ship's reverse maneuvering performance is also particularly important. [0003] Theoretical research and practical operation show that the rudder effect is significantly worse when the ship is sailing backwards than when the ship is sailing straight. The hydrodynamic performance of the rudder blade is deteriorated, and the pressure of the rudder is reduced, so that the rudder almost loses the ability to control the ship's course. Therefore, most push boats adopt the combined propulsion control system of "forward rudder (flap rudder) + fixed duct + double reverse rudder ...
Claims
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IPC IPC(8): B63H25/38
CPCB63H25/38B63H2025/387
Inventor 丁宇刘航随从标刘嘉诚谭泉
Owner HARBIN ENG UNIV