Marine high-reliability numerical control fin stabilizer device

Abstract

The invention relates to a marine device, in particular to improvement of a hydraulic device in a marine fin stabilizer device. The marine high-reliability numerical control fin stabilizer device comprises a fin shaft, a fin stabilizer fixedly installed on the fin shaft and the hydraulic device driving the fin shaft to rotate, wherein a hydraulic oil input port of the hydraulic device is in communicating connection with a valve output port of a digital valve, and a valve input port of the digital valve is in communicating connection with a pump output port of an oil pump. The marine high-reliability numerical control fin stabilizer device can accurately position a rotation angle of the fin shaft and is few in control links and low in failure rate.

Description

technical field [0001] The invention relates to marine equipment, in particular to the improvement of a hydraulic device in a ship's fin stabilizer. Background technique [0002] When a ship encounters wind and waves during navigation, it will sway laterally. The lateral sway of the ship will reduce the seaworthiness of the ship, damage the hull structure, affect the normal operation of equipment and instruments, and cause cargo displacement or impact damage , will also make passengers and crew dizzy, and may affect the combat effectiveness of combat ships. In order to reduce the lateral swing of the ship, many colleagues have conducted in-depth research. At present, the solution with better effect is to install anti-rolling in the bilge of the ship Fin and its control device. The control device is composed of a signal acquisition and processing system. By measuring the angle of the ship's lateral sway, combined with ship speed and other factors, a control signal is output t...

AI Technical Summary

Problems solved by technology

[0002] When a ship encounters wind and waves during navigation, it will sway laterally. The lateral sway of the ship will reduce the seaworthiness of the ship, damage the hull structure, affect the normal operation of equipment and instruments, and cause cargo displacement or impact damage , will also make passengers and crew dizzy, and may affect the combat effectiveness of combat ships. In order to reduce the lateral swing of the ship, many colleagues have conducted in-depth research. At present, the solution with better effect is to install anti-rolling in the bilge of the ship Fin and its control device. The control device is composed of a signal acquisition and processing system. By measuring the angle of the ship's lateral sway, combined with ship speed and other factors, a control signal is output to control the angle of the fin shaft of the stabilizer fin around its axis. The control device It contains a closed-loop control system, which needs to measure the angle of the fin shaft rotation and feed it back to the control device to achieve precise control of the fin shaft rotation. In this control device composed of a closed-loop control system, there are many and complicated control links and components. There is a hidden danger of high failure rate

At present, there is no good solution for the marine fin stabilizer and its control device that can accurately control the rotation angle of the fin shaft and has a low failure rate

Images