CN107600354A - A kind of flow-disturbing system for reducing ship rolling motion - Google Patents
A kind of flow-disturbing system for reducing ship rolling motion Download PDFInfo
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- CN107600354A CN107600354A CN201710926134.XA CN201710926134A CN107600354A CN 107600354 A CN107600354 A CN 107600354A CN 201710926134 A CN201710926134 A CN 201710926134A CN 107600354 A CN107600354 A CN 107600354A
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- Prior art keywords
- spoiler
- ship
- servomotor
- angular displacement
- drive mechanism
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T70/00—Maritime or waterways transport
- Y02T70/10—Measures concerning design or construction of watercraft hulls
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- Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
- Vibration Prevention Devices (AREA)
Abstract
A kind of flow-disturbing system for reducing ship rolling motion, belong to the resistance of ship drop, subtract the technical field shaken.The Installed is put including spoiler, servomotor, drive mechanism and control system.Servomotor through power transmission shaft connecting eccentric wheel, eccentric wheel rotation through roller urges and spoiler in the presence of back-moving spring it is reciprocating.Control system includes motion measuring sensor, control platform and data collecting system, control platform is according to the relational expression between spoiler preselected protruding length and hull angular displacement, the angular displacement data of gyroscope measurement are handled, real-time spoiler extension elongation is obtained, then controls servomotor to move spoiler to the preselected protruding length for meeting hull angular displacement through drive mechanism.The Installed, which is put, provides a kind of spoiler for reducing ship rolling motion, can realize drag reduction and rollstabilization simultaneously, and installation is simple and convenient, can significantly improve security and rapidity during ship's navigation, have good business and military use.
Description
Technical field
The present invention relates to a kind of flow-disturbing system for reducing ship rolling motion, belongs to the resistance of ship drop, subtracts the technical field shaken.
Background technology
Rapidity and sea-keeping are one of important weighing apparatus standards for weighing modernization ship navigation performance, its good and bad directly decision warp
Ji property, security and habitability.Ship can produce larger wave making resistance in high speed operation and sway motion.The increase of resistance
Very negative impact is brought to ship resistance and performance.In motion is swayed, it is the most unfavorable that rolling influences on ship.When rolling is excessively acute
Stern challenge is caused to goods, the security of crewman and comfortableness when strong, the practicality of weaponry is also greatly reduced.
In face of two above problem, the mode of existing drag reduction mainly has spoiler, wave suppression plate, bubble drag-reduction etc., but subtracts and shake
Effect is limited；Rolling motion is reduced then by installing attached body, such as stabilizer, bilge keelson, tank stabilizer additional.These attached bodies can have
Effect plays anti-rolling effect, but resistance when adding ship's navigation.Therefore exploitation one kind is provided simultaneously with drag reduction and subtracted to shake work(
The device for ships that and can be easily installed maintenance is very necessary.
The content of the invention
In order to overcome problems of the prior art, a kind of flow-disturbing system for reducing ship rolling motion of the present invention should
System should use spoiler simple in construction, while ship resistance is reduced, reduce the rolling motion of ship.
The technical solution adopted by the present invention is：A kind of flow-disturbing system for reducing ship rolling motion, it includes a flow-disturbing
Plate and a protective cover, it also includes a servomotor, a drive mechanism and a control system, and the protective cover uses
The groove structure of drive mechanism and spoiler is installed, the drive mechanism includes eccentric wheel, push rod and back-moving spring, and push rod is covering
It is connected after upper reset spring through fixing bearing with spoiler, servomotor is through power transmission shaft connecting eccentric wheel, eccentric wheel rotation warp
Roller urges push rod is reciprocating in the presence of back-moving spring；The control system includes the motion being electrically connected mutually
Measurement sensor, control platform and data collecting system, control platform are electrically connected with wire and servomotor, the motion
Measurement sensor includes the gyroscope for being used for the tachymeter and rolling angular displacement for measuring ship speed, and control platform is according to spoiler
Relational expression between preselected protruding length and hull angular displacement, the angular displacement data of gyroscope measurement are handled, obtain reality
When spoiler extension elongation, then control servomotor to move spoiler to the setting for meeting hull angular displacement through drive mechanism
Extension elongation.
The spoiler has two, is symmetrically mounted on ship stern transom plate edge.
The shape of the spoiler and protective cover is consistent with stern transom plate bottom shape.
The beneficial effects of the invention are as follows：It is this reduce ship rolling motion flow-disturbing system include spoiler, servomotor,
Drive mechanism and control system.Servomotor exists through power transmission shaft connecting eccentric wheel, eccentric wheel rotation through roller urges and spoiler
It is reciprocating in the presence of back-moving spring.Control system includes motion measuring sensor, control platform and data collecting system,
Control platform is according to the relational expression between spoiler preselected protruding length and hull angular displacement, to the angular displacement number of gyroscope measurement
According to being handled, real-time spoiler extension elongation is obtained, then controls servomotor to move spoiler to completely through drive mechanism
The preselected protruding length of sufficient hull angular displacement., can be simultaneously this system provides a kind of spoiler for reducing ship rolling motion
Drag reduction and rollstabilization are realized, and installation is simple and convenient, can significantly improve security and rapidity during ship's navigation, has good
Business and military use.
Brief description of the drawings
Fig. 1 is a kind of structural representation for the flow-disturbing system for reducing ship rolling motion.
Fig. 2 is the A-A views in Fig. 1.
Fig. 3 is the schematic diagram that spoiler has stretched out.
Fig. 4 is the layout drawing of two flow-disturbing panel assemblies.
The state diagram of spoiler when Fig. 5 is ship "Left"-deviationist.
The state diagram of spoiler when Fig. 6 is ship Right deviation.
In figure：1st, motion measuring sensor, 2, control platform, 3, data collecting system, 4, wire, 5, servomotor, 6,
Power transmission shaft, 7, protective cover, 8, eccentric wheel, 9, push rod, 10, back-moving spring, 11, fixing bearing, 12, spoiler, 13, roller.
Embodiment
In order to better understand the purpose of the present invention, technical scheme, it is described in detail below in conjunction with accompanying drawing.
Fig. 1,2 show a kind of structural representation for the flow-disturbing system for reducing ship rolling motion.In figure, this reduction ship
The flow-disturbing system of oceangoing ship rolling motion include the 5, drive mechanisms of the servomotor of protective cover 7, one of spoiler 12, one and
One control system.Protective cover 7 is using installation drive mechanism and the groove structure of spoiler 12.Drive mechanism include eccentric wheel 8,
Push rod 9 and back-moving spring 10, push rod 9 are connected after upper reset spring 10 is covered through fixing bearing 11 with spoiler 12, servo electricity
Machine 5 through the connecting eccentric wheel 8 of power transmission shaft 6, eccentric wheel 8 rotate through roller 13 promote push rod 9 make in the presence of back-moving spring 10 it is past
Multiple motion.Control system includes motion measuring sensor 1, control platform 2 and the data collecting system 3 being electrically connected mutually,
Control platform 2 is electrically connected with wire 4 and servomotor 5.Motion measuring sensor 1 includes the survey for being used for measuring ship speed
Fast instrument and the gyroscope of rolling angular displacement, control platform 2 is according between the preselected protruding length of spoiler 12 and hull angular displacement
Relational expression, the angular displacement data of gyroscope measurement are handled, real-time spoiler extension elongation is obtained, then controls servo
Motor 5 moves spoiler 12 to the preselected protruding length for meeting hull angular displacement through drive mechanism（As shown in Figure 3）.
Spoiler 12 has two, is symmetrically mounted on ship stern transom plate edge（As shown in Figure 4）.Spoiler 12 and protective cover
7 shape is consistent with stern transom plate bottom shape.
Using above-mentioned technical scheme, motion measuring sensor, including gyroscope：For measuring the real-time angle position of ship
Move, including roll angle, angular velocity in roll and rolling angular acceleration；Tachymeter：The speed of a ship or plane of measurement ship in real time.
Data collecting system 3, it is connected by wire with sensor, for gathering and preserving the motion state of ship in real time.
Control platform 2, the data of sensor are handled.According to existing control strategy, to the real-time rolling of ship
Angle value, angular velocity in roll value and rolling angular acceleration values carry out scaling respectively, automatically switch under the different speed of a ship or plane each
Proportionality coefficient corresponding to amount of exercise, introduce control algolithm and obtain the extension elongation of spoiler in theory, be converted into magnitude of voltage,
Servomotor is driven, more preferable drag reduction and rollstabilization effect is brought in a manner of realizing the Optimal Control under the different speed of a ship or plane.
The drive device of running part is servomotor, is connected by power transmission shaft with eccentric wheel.Fixing bearing is fixed on guarantor
On shield.Protective cover is fixed on the stern transom plate of ship, there is vertical groove above, and spoiler is installed in the vertical groove of protective cover.
Push rod lower end is connected through fixing bearing with spoiler.Roller is connected with eccentric wheel and is installed on push rod upper end.Push rod upper end
There is back-moving spring between fixing bearing, whole drive train arrangement shares two sets, is symmetrically installed on central fore-and-aft vertical plane.
According to previous research achievement, the fluid velocity of the delay function influence of spoiler near it, while also change
The pressure distribution in front, produce lift and improve wave making resistance.As shown in Figure 5,6, when ship is to during the rolling of side, corresponding side
Spoiler stretch out certain length and opposite side spoiler does not stretch out then, produce a upward lift, then produce restoring force
Square, offset rolling motion response.
When package unit is started working：Servomotor band movable eccentric wheel rotates, the roller and bias being fixed on push rod
Wheel is connected and drives push rod to move vertically, and then drives spoiler to be moved vertically in protective cover；Spoiler is placed in protective cover
In vertical groove；The size of protective cover can not exceed stern transom plate scope；The spoiler extension elongation is up to 2 ‰ L, and (L is ship
It is long), if longer extension elongation can bring more preferable drag reduction and rollstabilization effect, it can also suitably increase spoiler and stretch out length
Degree.
Claims (3)
1. a kind of flow-disturbing system for reducing ship rolling motion, it includes a spoiler（12）With a protective cover（7）, it is special
Sign is：It also includes a servomotor（5）, drive mechanism and a control system, the protective cover（7）Using installation
Drive mechanism and spoiler（12）Groove structure, the drive mechanism includes eccentric wheel（8）, push rod（9）And back-moving spring
（10）, push rod（9）In set upper reset spring（10）Fixing bearing is passed through afterwards（11）With spoiler（12）Connection, servomotor（5）
Through power transmission shaft（6）Connecting eccentric wheel（8）, eccentric wheel（8）Rotation is through roller（13）Promote push rod（9）In back-moving spring（10）Work
It is reciprocating under；The control system includes the motion measuring sensor being electrically connected mutually（1）, control platform（2）
And data collecting system（3）, control platform（2）Use wire（4）With servomotor（5）It is electrically connected, the motion measurement passes
Sensor（1）Comprising for measuring the tachymeter of ship speed and the gyroscope of rolling angular displacement, control platform（2）According to spoiler
（12）Relational expression between preselected protruding length and hull angular displacement, the angular displacement data of gyroscope measurement are handled, obtained
To real-time spoiler extension elongation, servomotor is then controlled（5）Spoiler is moved through drive mechanism（12）To meeting hull
The preselected protruding length of angular displacement.
2. a kind of flow-disturbing system for reducing ship rolling motion according to claim 1, it is characterized in that：The spoiler
（12）There are two, be symmetrically mounted on ship stern transom plate edge.
3. a kind of flow-disturbing system for reducing ship rolling motion according to claim 1, it is characterized in that：The spoiler
（12）And protective cover（7）Shape it is consistent with stern transom plate bottom shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710926134.XA CN107600354B (en) | 2017-10-06 | 2017-10-06 | Turbulent flow system for reducing ship rolling motion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710926134.XA CN107600354B (en) | 2017-10-06 | 2017-10-06 | Turbulent flow system for reducing ship rolling motion |
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| CN107600354A true CN107600354A (en) | 2018-01-19 |
| CN107600354B CN107600354B (en) | 2023-09-19 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108995761A (en) * | 2018-07-17 | 2018-12-14 | 浙江海洋大学 | A kind of hull that can reduce river water resistance |
| CN109110091A (en) * | 2018-08-15 | 2019-01-01 | 东莞市奇趣机器人科技有限公司 | A kind of underwater robot reduction hydraulic friction device |
| CN110143254A (en) * | 2019-05-15 | 2019-08-20 | 南京理工大学 | A kind of supercavity generating means |
| CN110194249A (en) * | 2019-06-06 | 2019-09-03 | 厦门大学嘉庚学院 | Carrying speedboat hull autobalance systems stabilisation |
| CN110282071A (en) * | 2019-07-23 | 2019-09-27 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | A kind of multi-functional disturbing flow device suitable for high speed ship |
| WO2020042351A1 (en) * | 2018-08-31 | 2020-03-05 | 中国运载火箭技术研究院 | Spoiling apparatus for triggering turbulent transition by autonomous disturbance and spoilers |
| CN113428312A (en) * | 2021-06-28 | 2021-09-24 | 中舟海洋科技(上海)有限公司 | Ship intercepting actuating mechanism and intercepting plate thereof |
| CN114228933A (en) * | 2022-02-16 | 2022-03-25 | 英辉南方造船（广州番禺）有限公司 | Interception plate mechanism and use method thereof |
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| KR20160000507U (en) * | 2014-08-04 | 2016-02-15 | 현대중공업 주식회사 | Catamaran |
| CN207737473U (en) * | 2017-10-06 | 2018-08-17 | 大连理工大学 | A kind of flow-disturbing system reducing ship rolling motion |
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| JPS58224880A (en) * | 1982-06-23 | 1983-12-27 | Kawasaki Heavy Ind Ltd | Hull resistance reducing device |
| NO885767D0 (en) * | 1987-04-28 | 1988-12-27 | Horton Corwin R | VESSEL WITH IMPROVED HYDRODYNAMIC PROPERTIES. |
| US4915048A (en) * | 1987-04-28 | 1990-04-10 | Corwin R. Horton | Vessel with improved hydrodynamic performance |
| JPH05286484A (en) * | 1992-04-06 | 1993-11-02 | Yanmaa Zosen Kk | Swing suppressing device for vessel |
| JPH07228292A (en) * | 1994-02-15 | 1995-08-29 | Mitsubishi Heavy Ind Ltd | Hull pitching preventing device |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108995761A (en) * | 2018-07-17 | 2018-12-14 | 浙江海洋大学 | A kind of hull that can reduce river water resistance |
| CN109110091A (en) * | 2018-08-15 | 2019-01-01 | 东莞市奇趣机器人科技有限公司 | A kind of underwater robot reduction hydraulic friction device |
| CN109110091B (en) * | 2018-08-15 | 2020-12-08 | 新沂市锡沂高新材料产业技术研究院有限公司 | Hydraulic friction reducing device for underwater robot |
| WO2020042351A1 (en) * | 2018-08-31 | 2020-03-05 | 中国运载火箭技术研究院 | Spoiling apparatus for triggering turbulent transition by autonomous disturbance and spoilers |
| CN110143254A (en) * | 2019-05-15 | 2019-08-20 | 南京理工大学 | A kind of supercavity generating means |
| CN110143254B (en) * | 2019-05-15 | 2021-09-21 | 南京理工大学 | Supercavitation generation device |
| CN110194249A (en) * | 2019-06-06 | 2019-09-03 | 厦门大学嘉庚学院 | Carrying speedboat hull autobalance systems stabilisation |
| CN110282071A (en) * | 2019-07-23 | 2019-09-27 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | A kind of multi-functional disturbing flow device suitable for high speed ship |
| CN110282071B (en) * | 2019-07-23 | 2020-04-28 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | Multifunctional turbulence device suitable for medium-high speed ship |
| CN113428312A (en) * | 2021-06-28 | 2021-09-24 | 中舟海洋科技(上海)有限公司 | Ship intercepting actuating mechanism and intercepting plate thereof |
| CN114228933A (en) * | 2022-02-16 | 2022-03-25 | 英辉南方造船（广州番禺）有限公司 | Interception plate mechanism and use method thereof |
| CN114228933B (en) * | 2022-02-16 | 2023-02-21 | 英辉南方造船（广州番禺）有限公司 | Interception plate mechanism and use method thereof |
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| CN107600354B (en) | 2023-09-19 |
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