CN112519971A - Device arranged in swimming pool and used for reducing ship rolling and control method - Google Patents
Device arranged in swimming pool and used for reducing ship rolling and control method Download PDFInfo
- Publication number
- CN112519971A CN112519971A CN202011426680.5A CN202011426680A CN112519971A CN 112519971 A CN112519971 A CN 112519971A CN 202011426680 A CN202011426680 A CN 202011426680A CN 112519971 A CN112519971 A CN 112519971A
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- swimming pool
- platform
- rolling
- rotatable
- ship
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B39/00—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
- B63B39/005—Equipment to decrease ship's vibrations produced externally to the ship, e.g. wave-induced vibrations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B29/00—Accommodation for crew or passengers not otherwise provided for
- B63B29/18—Arrangements or adaptations of swimming pools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B39/00—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
- B63B39/02—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude to decrease vessel movements by displacement of masses
- B63B39/03—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude to decrease vessel movements by displacement of masses by transferring liquids
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Toys (AREA)
Abstract
The embodiment of the invention discloses a device arranged in a swimming pool and used for reducing the rolling of a ship and a control method, wherein the device comprises a platform which is arranged at the lower part of the bottom surface of the swimming pool and can be lifted and lowered under the driving of a lifting driving device; the device comprises a plurality of upright posts, a plurality of guide rails and a plurality of guide rails, wherein the upright posts are sequentially arranged on a platform in the width direction of a ship, each upright post comprises a base arranged on the platform and a blade which is rotatably connected with the base through a rotating shaft, each blade comprises a rotatable part and a fixed part, when the platform rises to the top, the lower edge of the rotatable part is higher than the bottom surface of a swimming pool, when the platform falls to the bottom, the upper edge of the rotatable part is level with the upper surface of the bottom of the swimming pool, and a sealing part is arranged; and a control system in communication with the communication system for obtaining the roll angle and the roll period, analyzing the roll angle, and controlling the rotatable portion to rotate to the roll angle when the platform is raised to the top to adjust the passage area formed between the rotatable portions of the plurality of blades.
Description
Technical Field
The invention relates to the technical field of ship rolling reduction, in particular to a device arranged in a swimming pool and used for reducing ship rolling and a control method.
Background
In order to improve the quality of life of passengers and crews, swimming pools are arranged on a plurality of ships; especially large cruise ships, usually have several swimming pools. Since the surface of the swimming pool is open, a free liquid surface is formed, which may reduce the stability of the ship. When the ship encounters severe sea conditions, the ship can generate rolling motion, and the water in the swimming pool can also roll along with the rolling motion of the ship, so that the rolling motion of the ship is intensified, and the safety of the ship is even seriously influenced.
In the prior art, if a large-wave sea condition is met, the swimming pool water can be completely discharged into the sea or other water tanks. However, due to the large number of swimming pools, the large volume of water, and for sanitary reasons, the swimming pool water is not usually filled into other tanks, but is discharged directly into the sea. From an economic perspective, the swimming pool water is fresh water, generally supplied onshore or generated by a water generator, which is very costly and can be discharged into the sea with great waste if exposed to high wind and waves. Some ships are provided with special anti-rolling tanks to reduce the rolling of the ships, but the operation is not suitable for the cruise ship because the internal space of the cruise ship is precious and the special anti-rolling tanks are rarely arranged.
Disclosure of Invention
In view of the above problems in the prior art, embodiments of the present invention provide an apparatus and a control method for reducing rolling of a ship in a swimming pool, in which a swimming pool is changed into a roll reduction tank, the free liquid level of the swimming pool is reduced, and the rolling of the ship is reduced.
The embodiment of the invention provides a device arranged in a swimming pool and used for reducing the rolling of a ship, which is applied to the ship with the swimming pool, and the device comprises:
a platform which is arranged at the lower part of the bottom surface of the swimming pool and can be driven by a lifting driving device to lift and descend along the depth direction of the swimming pool;
a plurality of columns arranged on the platform in sequence along the width direction of the ship, wherein each column of the plurality of columns comprises a base arranged on the platform and a blade rotatably connected with the base through a rotating shaft, each blade comprises a fixed part and a rotatable part which can rotate under the driving of the rotating shaft, when the platform is lifted to the top, the lower edge of the rotatable part is at least lifted to be higher than the bottom surface of the swimming pool, when the platform is lowered to the bottom, the upper edge of the rotatable part is at most lowered to be level with the upper surface of the bottom of the swimming pool, a sealing part is arranged between the bottom of the swimming pool and each blade, and the rotatable part and the fixed part are same in shape;
and the control system is in communication connection with the communication system of the ship and used for acquiring the rolling angle and the rolling period of the ship, analyzing and obtaining the rotating angle of the rotatable part based on the rolling angle and the rolling period, and controlling the rotatable part to rotate to the rotating angle when the platform is lifted to the top so as to adjust the passage area formed between the rotatable parts of the blades, wherein the passage area is used for the water of the swimming pool which is divided on two sides of the blades to circulate.
In some embodiments of the invention, the plurality of uprights are arranged in series along a centre line of the swimming pool in the width direction when the platform is raised to the top.
In some embodiments of the invention, the roll period of the swimming pool is the same as the roll period of the vessel and the phase angle is 180 degrees out of phase when the rotatable portion is rotated to the angle of rotation.
In some embodiments of the present invention, a cross-sectional shape of the blade on a plane perpendicular to an axis of the rotating shaft is a polygon or an ellipse.
In some embodiments of the invention, a roof is provided on the swimming pool, which is closed to the top of the swimming pool by means of a fixing element when the platform is raised to the top.
An embodiment of the present invention further provides a control method for reducing ship rolling in a swimming pool, where the control method is applied to a control system in communication connection with a communication system of a ship, and is used to control the above-mentioned apparatus for reducing ship rolling in a swimming pool, and the control method includes:
acquiring the rolling angle and the rolling period of the ship through the communication system;
analyzing the rotation angle of the rotatable part of the blade of each of the plurality of columns of the device based on the roll angle and the roll period;
controlling the rotatable portion to rotate to the angle of rotation when the platform is raised to the top to adjust the passage area formed between the rotatable portions of the plurality of vanes through which pool water of the swimming pool divided on both sides of the plurality of vanes flows;
wherein the platform is raised to the top by the drive of the lifting drive means at least until the lower edge of the rotatable portion is above the floor of the pool and is lowered to the bottom at most until the upper edge of the rotatable portion is level with the upper surface of the pool floor, wherein a sealing member is provided between the pool floor and each of the vanes, and wherein the rotatable portion and the fixed portion are of the same shape.
Compared with the prior art, the device arranged in the swimming pool and used for reducing the rolling of the ship and the control method have the advantages that: it arranges the roll period of the pond water of the swimming pool far away at higher position and apart from the central distance of boats and ships through the regulation, can produce great roll moment of stabilizing, accomplishes the best with the roll effect, can show the roll that reduces boats and ships in the stormy waves, improves the comfort level of boats and ships, is fit for using when the roll is great. In addition, through set up above-mentioned device in the swimming pool, become the stabilizer tank with the swimming pool, the free liquid level of boats and ships swimming pool that significantly reduces to not discharging boats and ships swimming pool water and need not additionally set up special stabilizer tank's the circumstances under, utilize the swimming pool to realize reducing the purpose that boats and ships roll as the stabilizer tank, simultaneously, still improved the security of boats and ships.
Drawings
FIG. 1 is a schematic side view of a device for reducing rolling of a ship in a swimming pool according to an embodiment of the present invention;
FIG. 2 is a schematic side view of a device for reducing rolling of a vessel in a swimming pool according to an embodiment of the present invention, raised to the top;
FIG. 3 is a schematic structural diagram of an upright post of the device for reducing rolling of a ship in a swimming pool according to an embodiment of the present invention;
FIG. 4 is a schematic top view of the device for reducing rolling of a ship, according to an embodiment of the present invention, shown in the swimming pool, with the rotation angle of the column parallel to the length direction of the ship;
FIG. 5 is a schematic top view of the device for reducing rolling of a ship according to the embodiment of the present invention, wherein the rotation angle of the column is parallel to the width direction of the ship;
FIG. 6 is a schematic top view of the device for reducing rolling of a ship according to the embodiment of the present invention, wherein the angle between the rotation angle of the column and the width direction of the ship is an included angle;
fig. 7 is a schematic top view of the device for reducing rolling of a ship in a swimming pool according to the embodiment of the present invention.
Reference numerals:
1. a platform; 2. a column; 3. a base; 4. a rotating shaft; 5. blades, 6, rotatable parts; 7. a fixed portion; 8. and a top cover.
Detailed Description
In order to make the technical solutions of the present invention better understood, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Various aspects and features of the present application are described herein with reference to the drawings.
These and other characteristics of the present application will become apparent from the following description of preferred forms of embodiment, given as non-limiting examples, with reference to the attached drawings.
It should also be understood that, although the present application has been described with reference to some specific examples, a person of skill in the art shall certainly be able to achieve many other equivalent forms of application, having the characteristics as set forth in the claims and hence all coming within the field of protection defined thereby.
The above and other aspects, features and advantages of the present application will become more apparent in view of the following detailed description when taken in conjunction with the accompanying drawings.
Specific embodiments of the present application are described hereinafter with reference to the accompanying drawings; however, it is to be understood that the disclosed embodiments are merely exemplary of the application, which can be embodied in various forms. Well-known and/or repeated functions and structures have not been described in detail so as to not unnecessarily obscure the present application with unnecessary or unnecessary detail. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a basis for the claims and as a representative basis for teaching one skilled in the art to variously employ the present application in virtually any appropriately detailed structure.
The specification may use the phrases "in one embodiment," "in another embodiment," "in yet another embodiment," or "in other embodiments," which may each refer to one or more of the same or different embodiments in accordance with the application.
An embodiment of the present invention provides a device for reducing rolling of a ship in a swimming pool, which is applied to a ship with a swimming pool, as shown in fig. 1 to 7, the device includes: the swimming pool comprises a control system, a platform 1 and a plurality of upright posts 2 arranged on the platform 1, wherein the platform 1 is arranged at the lower part of the bottom surface of the swimming pool and can be lifted and lowered along the depth direction of the swimming pool under the driving of a lifting driving device, the platform 1 can be a steel plate and can be lifted and lowered under the driving of the lifting driving device; a plurality of upright posts 2 are arranged on the platform 1 in sequence along the width direction of the ship, wherein each upright post 2 of the plurality of upright posts 2 comprises a base 3 arranged on the platform 1 and a blade 5 which is rotatably connected with the base 3 through a rotating shaft 4, each blade 5 comprises a fixed part 7 and a rotatable part 6 which can rotate under the driving of the rotating shaft 4, when the platform 1 is lifted to the top, at least the lower edge of the rotatable part 6 is lifted to be higher than the bottom surface of the swimming pool, namely, the rotatable part 6 can rotate under the driving of the rotating shaft 4, the rotating shaft 4 can rotate under the driving of a driving motor, the driving motor is arranged in the base 3, when the platform 1 is lowered to the bottom, at most the upper edge of the rotatable part 6 is parallel to the upper surface of the bottom of the swimming pool, so that the rotatable part 6 of the blade 5 can be lowered to the bottom surface of the swimming pool without influencing the normal use of the swimming pool, between the bottom of the swimming pool and each vane 5 there is a sealing element which ensures that the seal is maintained when the vane 5 moves relative to the sealing element, as during the raising and lowering of the vane 5, and that the rotatable part 6 and the fixed part 7 are of the same shape; the control system is in communication connection with a communication system of the ship for at least obtaining a roll angle and a roll period of the ship, the rotation angle of the rotatable part 6 is obtained through analysis based on the roll angle and the roll period, and when the platform 1 is lifted to the top, the rotatable part 6 is controlled to rotate to the rotation angle, so that the area of a channel for water circulation of a swimming pool divided at two sides of the plurality of blades 5 is adjusted and formed between the rotatable parts 6 of the plurality of blades 5 is formed, in addition, the lifting driving device can also be in communication connection with the communication system of the ship, and further the driving of the platform 1 at a control center of the ship can be realized, meanwhile, in order to operate the platform 1 at the swimming pool, the lifting driving device can also be provided with a corresponding control box near the swimming pool, so that the lifting driving device can be controlled at the site.
In some embodiments of the invention, the control system is able to analyse, based on the obtained roll angle and roll period, the rotation angle of the rotatable portion 6 of the vanes 5 to adjust the passage area between the swimming pool formed by the rotatable portion 6 of the vanes 5 to achieve an adjustment of the roll period of the swimming pool, although it is preferable to adjust the roll period of the swimming pool to be the same as the roll period of the vessel, corresponding to an optimum rotation angle which corresponds to the same roll period of the vessel and 180 degrees out of phase angle when the rotatable portion 6 can be rotated to the rotation angle, for the purpose of eliminating a portion of the vessel roll. In the actual use process, the device arranged in the swimming pool for reducing the rolling of the ship can reduce the free liquid level in the swimming pool to one eighth or even less than the device without the rotatable part 6 by adjusting the angle of the rotatable part, and the free liquid level has a cubic relation with the width. The stability value of the ship can be improved by reducing the free liquid level, so that the ship is safer. This kind of operating mode is fit for using under extremely bad sea condition.
According to the technical scheme, the rolling period of the pool water of the swimming pool which is arranged at a higher position and is far away from the center of the ship is adjusted, so that a larger rolling moment can be generated, the rolling effect is best, the rolling of the ship in the stormy waves can be obviously reduced, and the comfort level of the ship is improved. This condition is suitable for use when roll is large. In addition, through set up above-mentioned device in the swimming pool, need not additionally to set up special surge tank, utilize the swimming pool as surge tank can.
Further, in some embodiments of the invention, when the platform 1 is raised to the top, the plurality of columns 2 are arranged in series along the center line of the swimming pool in the width direction, so that the vanes 5 on the plurality of columns 2 do not obstruct each other.
In the present embodiment, the cross-sectional shape of the blade 5 on the plane perpendicular to the axis of the rotating shaft 4 is a polygon or an ellipse, and specifically, the cross-sectional shape may be a diamond shape, a rectangle, or any other shape capable of achieving the above-mentioned functions, and is not limited herein.
In addition, in this embodiment, be equipped with top cap 8 on the swimming pool, when platform 1 rises to the top, top cap 8 passes through the mounting and covers the top in the swimming pool, that is to say, before the stormy waves come, the crewman need seal the swimming pool with top cap 8, prevents that water from overflowing, and the swimming pool water yield is less can weaken the stabilizing effect, and the water in the swimming pool overflows and also can cause article damage and boats and ships stationarity loss. Specifically, the top cover 8 may be fixed by bolts, or may be of an automatic sliding type, as long as it can close the swimming pool, and is not specifically limited herein.
The embodiment of the invention also provides a control method arranged in the swimming pool and used for reducing the rolling of the ship, the control method is applied to a control system in communication connection with a communication system of the ship and used for controlling the device which is arranged in the swimming pool and used for reducing the rolling of the ship and provided by the embodiment, and the control method comprises the following steps:
step 1: acquiring a rolling angle and a rolling period of a ship through a communication system;
step 2: analyzing the rotation angle of the rotatable part 6 of the blade 5 of each of the plurality of uprights 2 of the device, based on the roll angle and the roll period;
and step 3: controlling the rotatable portion 6 to rotate to a rotation angle when the platform 1 is raised to the top, so as to adjust a passage area formed between the rotatable portions 6 of the plurality of vanes 5 for the flow of pool water divided at both sides of the plurality of vanes 5;
wherein the platform 1 is raised to the top by the drive of the lifting drive means at least until the lower edge of the rotatable part 6 is above the floor of the pool and, when the platform 1 is lowered to the bottom, at most until the upper edge of the rotatable part 6 is level with the upper surface of the bottom of the pool, wherein sealing means are provided between the bottom of the pool and each of the vanes 5, and wherein the rotatable part 6 and the fixed part 7 are of the same shape.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present invention, and such modifications and equivalents should also be considered as falling within the scope of the present invention.
Claims (6)
1. The utility model provides a locate device that is used for reducing boats and ships roll in swimming pool, is applied to a boats and ships that are equipped with the swimming pool, a serial communication port, the device includes:
a platform which is arranged at the lower part of the bottom surface of the swimming pool and can be driven by a lifting driving device to lift and descend along the depth direction of the swimming pool;
a plurality of columns arranged on the platform in sequence along the width direction of the ship, wherein each column of the plurality of columns comprises a base arranged on the platform and a blade rotatably connected with the base through a rotating shaft, each blade comprises a fixed part and a rotatable part which can rotate under the driving of the rotating shaft, when the platform is lifted to the top, the lower edge of the rotatable part is at least lifted to be higher than the bottom surface of the swimming pool, when the platform is lowered to the bottom, the upper edge of the rotatable part is at most lowered to be level with the upper surface of the bottom of the swimming pool, a sealing part is arranged between the bottom of the swimming pool and each blade, and the rotatable part and the fixed part are same in shape;
and the control system is in communication connection with the communication system of the ship and used for acquiring the rolling angle and the rolling period of the ship, analyzing and obtaining the rotating angle of the rotatable part based on the rolling angle and the rolling period, and controlling the rotatable part to rotate to the rotating angle when the platform is lifted to the top so as to adjust the passage area formed between the rotatable parts of the blades, wherein the passage area is used for the water of the swimming pool which is divided on two sides of the blades to circulate.
2. The device for reducing rolling of a vessel disposed in a swimming pool according to claim 1,
when the platform is lifted to the top, the plurality of upright posts are sequentially arranged along the center line of the swimming pool in the width direction.
3. The device for reducing rolling of a vessel disposed in a swimming pool according to claim 1,
when the rotatable portion is rotated to the angle of rotation, the roll period of the swimming pool is the same as the roll period of the vessel and the phase angle is 180 degrees out of phase.
4. The device for reducing rolling of a vessel disposed in a swimming pool according to claim 1,
the cross section of the blade on a plane vertical to the axis of the rotating shaft is polygonal or elliptical.
5. The device for reducing rolling of a vessel disposed in a swimming pool according to claim 1,
the top cover is arranged on the swimming pool, and when the platform rises to the top, the top cover is covered on the top of the swimming pool through the fixing piece.
6. A control method for use in a swimming pool to reduce rolling of a vessel, the control method being applied to a control system in communication with a communication system of the vessel to control an apparatus according to any one of claims 1 to 5 for use in the swimming pool to reduce rolling of the vessel, the control method comprising:
acquiring the rolling angle and the rolling period of the ship through the communication system;
analyzing the rotation angle of the rotatable part of the blade of each of the plurality of columns of the device based on the roll angle and the roll period;
controlling the rotatable portion to rotate to the angle of rotation when the platform is raised to the top to adjust the passage area formed between the rotatable portions of the plurality of vanes through which pool water of the swimming pool divided on both sides of the plurality of vanes flows;
wherein the platform is raised to the top by the drive of the lifting drive means at least until the lower edge of the rotatable portion is above the floor of the pool and is lowered to the bottom at most until the upper edge of the rotatable portion is level with the upper surface of the pool floor, wherein a sealing member is provided between the pool floor and each of the vanes, and wherein the rotatable portion and the fixed portion are of the same shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011426680.5A CN112519971B (en) | 2020-12-09 | 2020-12-09 | Device arranged in swimming pool and used for reducing ship rolling and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011426680.5A CN112519971B (en) | 2020-12-09 | 2020-12-09 | Device arranged in swimming pool and used for reducing ship rolling and control method |
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| CN112519971A true CN112519971A (en) | 2021-03-19 |
| CN112519971B CN112519971B (en) | 2022-08-12 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113048001A (en) * | 2021-04-09 | 2021-06-29 | 青岛科技大学 | Liquid cargo mechanical energy recovery device for liquid cargo ship |
| CN113581385A (en) * | 2021-07-21 | 2021-11-02 | 上海外高桥造船有限公司 | Swimming wheel swimming pool with swing stopping device and swimming wheel |
| CN113602432A (en) * | 2021-08-27 | 2021-11-05 | 广船国际有限公司 | Swimming pool system for boats and ships |
| CN113636024A (en) * | 2021-07-08 | 2021-11-12 | 上海外高桥造船有限公司 | Detachable frame structure for reducing free liquid level of swimming pool |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113048001A (en) * | 2021-04-09 | 2021-06-29 | 青岛科技大学 | Liquid cargo mechanical energy recovery device for liquid cargo ship |
| CN113048001B (en) * | 2021-04-09 | 2023-03-14 | 青岛科技大学 | Liquid cargo mechanical energy recovery device for liquid cargo ship |
| CN113636024A (en) * | 2021-07-08 | 2021-11-12 | 上海外高桥造船有限公司 | Detachable frame structure for reducing free liquid level of swimming pool |
| CN113581385A (en) * | 2021-07-21 | 2021-11-02 | 上海外高桥造船有限公司 | Swimming wheel swimming pool with swing stopping device and swimming wheel |
| CN113581385B (en) * | 2021-07-21 | 2022-05-10 | 上海外高桥造船有限公司 | Swimming wheel swimming pool with only swing device and swimming wheel |
| CN113602432A (en) * | 2021-08-27 | 2021-11-05 | 广船国际有限公司 | Swimming pool system for boats and ships |
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| CN112519971B (en) | 2022-08-12 |
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