Hydraulic control system and control method of a full-turn rudder propeller device
A hydraulic control system, full-turn technology, applied in the direction of rudder steering, fluid pressure actuator, servo motor, etc., can solve the problem of high pressure in the back pressure chamber of the motor, achieve pressure stability, eliminate gyration jitter, and avoid gyration The effect of the rebound phenomenon
Active Publication Date: 2020-06-05
WUHAN MARINE MACHINERY PLANT
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Problems solved by technology
[0006] The purpose of the present invention is to overcome the problems of the prior art, such as gyration jitter and excessive pressure in the back pressure chamber of the motor during braking and stopping, and to provide a rudder blade that can eliminate the gyrating jitter of full-turn rudder blades and improve the braking and stopping process. Hydraulic control system and control method for full-turn rudder propeller device with stability and positioning accuracy
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Embodiment 1
[0036] see figure 1 , a hydraulic control system for a full-turn rudder propeller device, including a No. 1 balance valve 1, a No. 2 balance valve 2, a fixed damping hole 3, a normally open cut-off valve 4, a hydraulic motor 7, and a hydraulic brake 8. The No. 1 balance valve The No.1 port 11 of the valve 1 communicates with the first working oil port 9 of the hydraulic motor, the No. 2 port 12 of the No. 1 balance valve 1 communicates with the No. 1 inlet and outlet port 71 of the hydraulic motor 7, and the No. The pilot control pressure channel 13 communicates with the fourth port 22 of the second balance valve 2, the third port 21 of the second balance valve 2 communicates with the second working oil port 10 of the hydraulic motor, and the fourth port 22 communicates with the hydraulic motor 7 The No. 2 oil inlet and outlet port 72 communicates, and the No. 2 pilot control pressure channel 23 inside the No. 2 balance valve 2 communicates with the No. 2 port 12. Damping hol...
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The invention discloses a hydraulic control system for a full-rotation steering oar device. The hydraulic control system for the full-rotation steering oar device comprises two balance valves, a fixing damping hole and a normally open stop valve, the fixing damping hole and the normally open stop valve are connected between a first oil inlet and outlet of a hydraulic motor and a second oil inlet and outlet of the hydraulic motor in a crossing mode, one end of the fixing damping hole communicates with the first oil inlet and outlet, and the other end of the fixing damping hole communicates withthe second oil inlet and outlet through the normally open stop valve. A control method of the hydraulic control system comprises the steps that when a full-rotation steering oar rotates, a variable valve port of one balance valve and the fixing damping hole form a hydraulic half bridge, high-pressure oil obtained through pressure distribution and rectification of the hydraulic half bridge can acton a pilot control pressure channel of the other balance valve to enable the pilot control pressure channel to be opened, and back pressure is formed at an oil outlet of the hydraulic motor. According to the design, not only is the full-rotation steering oar rotation shaking phenomenon eliminated, but also the stability and the positioning accuracy in the system braking and stopping process are improved.
Description
technical field [0001] The invention belongs to the technical field of rotary hydraulic control, and in particular relates to a hydraulic control system and a control method of a full rotary rudder propeller device, which can be applied to dynamic positioning engineering ships or platforms. Background technique [0002] The full-turn rudder and propeller device can provide omni-directional vector thrust, and is an important equipment for dynamic positioning engineering ships or platforms. Rotation is one of the most frequent actions in the working process of the full-turn rudder and propeller device, and the control of the slewing action adopts the driving method of hydraulic motor + reducer. When the rudder propeller rotates, the hydraulic control system drives the hydraulic motor to rotate, the hydraulic motor drives the reducer to rotate, the reducer drives the drive gear to rotate, and the drive gear drives the meshed slewing bearing inner ring gear to rotate, and finall...
Claims
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IPC IPC(8): F15B11/08F15B13/02B63H25/28
CPCB63H25/28F15B11/08F15B13/02
Inventor 武哲卢凯发方敏翁晶邹波王欣程校
Owner WUHAN MARINE MACHINERY PLANT