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Turbulent flow system for reducing ship rolling movement

A technology for ships and rolls, applied in the field of spoiler systems, can solve problems such as increasing ship resistance, achieve the effects of simple and convenient installation, improved safety and speed, and good commercial and military use

Active Publication Date: 2018-01-19
DALIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These appendages can effectively stabilize the roll, but increase the resistance of the ship when sailing

Method used

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  • Turbulent flow system for reducing ship rolling movement
  • Turbulent flow system for reducing ship rolling movement
  • Turbulent flow system for reducing ship rolling movement

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Embodiment Construction

[0016] In order to understand the purpose and technical solution of the present invention more clearly, detailed descriptions will be given below in conjunction with the accompanying drawings.

[0017] figure 1 , 2 A structural schematic diagram of a spoiler system for reducing rolling motion of a ship is shown. In the figure, the spoiler system for reducing the rolling motion of the ship includes a spoiler 12, a protective cover 7, a servo motor 5, a driving mechanism and a control system. The protective cover 7 adopts a groove structure for installing the driving mechanism and the spoiler 12 . The driving mechanism includes an eccentric wheel 8, a push rod 9 and a return spring 10. After the push rod 9 is put on the return spring 10, it passes through the fixed bearing 11 and connects with the spoiler 12. The servo motor 5 is connected to the eccentric wheel 8 through the transmission shaft 6, and the eccentric The wheel 8 rotates and pushes the push rod 9 to reciprocate ...

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Abstract

The invention discloses a turbulent flow system for reducing ship rolling movement, and belongs to technical field of ship resistance reducing and stabilization. The device comprises a spoiler, a servo motor, a driving machanism and a controlling system. The servo motor is connected with an eccentric wheel through a transmission shaft, the eccentric wheel rotates and is pushed through a roller, the eccentric wheel and the spoiler make reciprocating motion under action of a reset spring. The controlling system comprises a movement measuring sensor, a controlling platform and a data collecting system, angular displacement data measured by a gyroscope are processed by the controlling platform according to the relational expression of the set extending length of the spoiler and angular displacement of a hull, the real-time extending length of the spoiler is obtained; and then the servo motor is controlled to move the spoiler through the driving mechanism until the set extending length of angular displacement of the hull is met. According to the turbulent flow system for reducing ship rolling movement, resistance reducing and rolling reducing can be achieved simultaneously, mounting issimple and convenient, safety and rapidity during sailing of a ship can be improved obviously, and the turbulent flow system has good commercial and military applications.

Description

technical field [0001] The invention relates to a turbulence system for reducing rolling motion of a ship, which belongs to the technical field of drag reduction and anti-rolling of ships. Background technique [0002] Rapidity and seakeeping are one of the important criteria to measure the navigation performance of modern ships, and their quality directly determines the economy, safety and habitability. When a ship sails at high speed, it will generate greater wave-making resistance and swaying motion. The increase of resistance has a very adverse effect on the rapidity of the ship. Among the swaying motions, rolling has the most adverse effect on the ship. When the roll is too severe, it poses severe challenges to the safety and comfort of cargo and crew, and the practicability of weapons and equipment is also greatly reduced. [0003] In the face of the above two problems, the existing drag reduction methods mainly include spoilers, wave suppressors, bubble drag redu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B63B39/06B63B1/40
CPCY02T70/10
Inventor 宗智姜宜辰张桂勇邹丽孙铁志李嘉文李海涛裴玉国孙一方
Owner DALIAN UNIV OF TECH
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