CN109070981A - The propulsion device of multiple screw ship - Google Patents
The propulsion device of multiple screw ship Download PDFInfo
- Publication number
- CN109070981A CN109070981A CN201680085000.3A CN201680085000A CN109070981A CN 109070981 A CN109070981 A CN 109070981A CN 201680085000 A CN201680085000 A CN 201680085000A CN 109070981 A CN109070981 A CN 109070981A
- Authority
- CN
- China
- Prior art keywords
- propeller
- additives
- multiple screw
- propulsion device
- screw ship
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H1/00—Propulsive elements directly acting on water
- B63H1/02—Propulsive elements directly acting on water of rotary type
- B63H1/12—Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
- B63H1/14—Propellers
- B63H1/28—Other means for improving propeller efficiency
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
- B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
- B63H5/08—Arrangements on vessels of propulsion elements directly acting on water of propellers of more than one propeller
Abstract
At the rear of the propeller (side propeller) (4) of rear configuration rudder, the additives (8) in hub whirlpool is not being reduced via supporting mass (7) configuration extended from hull (2).Additives (8) has circular section with the direction of the orthogonality of center shaft extended along hull direction, and portion has the fusiform shape to become smaller towards rear end side diameter behind.The maximum gauge of additives (8) relative to the diameter of propeller (side propeller) (4) is 10% or more 40% hereinafter, the length in hull direction relative to the diameter of propeller (side propeller) (4) is 40% or more 70% or less.
Description
Technical field
The present invention relates to the propulsion devices of multiple screw ship.
Background technique
As the propulsion device for the ship for using propeller, it is known as reducing in the past and generates with the rotation of propeller
The purpose of the raising of propulsive efficiency is realized in hub whirlpool, rear propeller rudder for additives.For example, in following patent texts
It offers in 1, describes the position on the up-front propeller axis of the rudder at the rear for being configured at propeller and have ball nose and left and right
The propulsive performance of the ship of a pair of of fin improves device.In addition, describing each spiral shell in port and starboard in following patent documents 2
The rudder at rotation paddle rear has the twin skeg ship of the twin shaft Twin Rudders of ball nose and fin respectively.
Patent document 1: Japanese Unexamined Patent Publication 11-139395 bulletin.
Patent document 2: Japanese Unexamined Patent Publication 2015-166218 bulletin.
But if the additives such as such ball nose, fin pass through in the equipment rudder immediately rear of propeller and are installed on this
Rudder can be configured at the rear of propeller, but according to the type of ship, have and do not have the case where rudder at the rear of propeller.That is,
If uniaxial ship, then only have rudder at the rear for a propeller having, but in the case where such as three axis ship, if only by
The rudder for being configured at central spiral paddle rear obtains sufficient maneuverability, then rudder is only one for being set to central spiral paddle,
What in side, the rear of propeller was not equipped with is more.In addition, even if having two in the left and right of ship stern sometimes in twinscrewvessel, such as also
Propeller and rudder only configure one (twin shaft list rudder ship) at central rear, are unworthy of also or in the dead astern of propeller in this case
Set rudder.Ship more than four axis is also identical situation.That is, occasionally there are do not have at rear in multiple screw ship more than twin shaft
The propeller of standby rudder does not have structure appropriate at rear, so ball cannot be arranged as described above in such propeller
Nose, fin.In this way, there is the propeller that cannot reduce hub whirlpool by additives according to the type of multiple screw ship, this, which becomes, is interfered
The raising of propulsive efficiency will be because.
Summary of the invention
The present invention is intended to provide a kind of multiaxis of propulsive efficiency that can be improved multiaxis propeller for ship in view of the actual conditions
The propulsion device of ship.
The present invention relates to a kind of propulsion devices of multiple screw ship, which is characterized in that not in the propeller of rear configuration rudder
Rear is reduced the additives in hub whirlpool via the supporting mass configuration extended from hull.
In the propulsion device of multiple screw ship of the invention, it is preferred that aforementioned additives with extend along hull direction
There is circular section, portion has fusiform shape that end side diameter becomes smaller backward behind on the direction of orthogonality of center shaft.
In the propulsion device of multiple screw ship of the invention, it is preferred that the maximum gauge of aforementioned additives is relative to aforementioned
The diameter of propeller is 10% or more 40% hereinafter, the length in hull direction relative to the diameter of said spiral paddle is 40% or more 70%
Below.
The propulsion device of multiple screw ship of the invention can be relative to the side propeller application of three axis ships.
The propulsion device of multiple screw ship according to the present invention, can obtain can be improved multiaxis propeller for ship propulsive efficiency this
One excellent effect.
Detailed description of the invention
Fig. 1 is the figure that outlined an example of the overall construction using multiple screw ship of the invention.
Fig. 2 is the figure of an example of the mode of the propulsion device for the multiple screw ship for indicating that the present invention is implemented, and is to put the mian part of Fig. 1
The figure indicated greatly.
Fig. 3 is another figure of the mode of the propulsion device for the multiple screw ship for indicating that the present invention is implemented.
Specific embodiment
Hereinafter, illustrating embodiments of the present invention referring to attached drawing.
Fig. 1 ~ Fig. 3 indicates an example of the mode of the propulsion device for the multiple screw ship that the present invention is implemented.In the present embodiment, it illustrates
The case where applying the present invention to three axis ships, as shown in Figure 1, multiple screw ship (three axis ships) 1 has in the ship stern for being equipped on hull 2
A propeller (central spiral paddle) 3 for centre, total three spirals of propeller (side propeller) 4 in each assembly one in left and right
Paddle.
As shown in Fig. 2, it is configured with rudder 5 at the rear of central spiral paddle 3, it is high in the axis of central spiral paddle 3 in the rudder 5
Degree is provided with the additives 6 of ball nose (バ Le Block) shape.The additives 6 be, for example, with the orthogonality of center shaft that extends along hull direction
Direction on there is circular section, the rear part has the object of the smaller fusiform shape of end side diameter more backward, with from
The leading edge of rudder 5 is equipped to the mode that central spiral paddle 3 stretches out.By the additives 6, at central spiral paddle 3, inhibit with this
The hub whirlpool that the rotation of central spiral paddle 3 generates.
Also, in the three axis ships 1 of the present embodiment, in side, the rear of propeller 4 does not configure rudder, instead equips supporting mass
7, thus additives 8 is configured at the rear of side propeller 4.
Supporting mass 7 is the component of the plate extended from the bottom of hull 2 to the rear of side propeller 4.Supporting mass 7 is in order to the greatest extent
Amount does not increase hull resistance, is formed as constituting the vertical guide along hull direction, in addition, section along the horizontal plane is with fairshaped
Shape.Also, in the lower end of the supporting mass 7, in side, the axis height of propeller 4 is supported with additives 8.
Additives 8 is identical as above-mentioned additives 6, be with have on the direction of the orthogonality of center shaft extended along hull direction
There is the object in circular section, the rear part is configured to the spindle that end side diameter is smaller more backward.The position of central axis is set to
It is consistent with the axis of side propeller 4.In the present embodiment, by the additives 8, inhibit in the generation of the rear of side propeller 4
Hub whirlpool.
In order to efficiently reduce the hub whirlpool of side propeller 4, the diameter of additives 8 is preferably the maximum position near front end
Place is 10% or more 40% hereinafter, more preferably 20% or more 30% or less relative to the diameter of side propeller 4.In addition, additives 8
The length in hull direction is preferably 40% or more 70% hereinafter, more preferably 50% or more 60% relative to the diameter of side propeller 4
Below.
The flume test carried out by present applicant is it is found that if as shown in Figure 1 and Figure 2, by the nose additives 6 of ball
It is configured at the rudder 5 at 3 rear of central spiral paddle, in turn, is arranged at 4 rear of left and right sides propeller and diameter is set as side propeller 4
Diameter about 25%, length is set as side propeller 4 diameter about 56% additives 8, then with do not have additives 6,8
The case where compare, the whole horsepower of the three axis ship 1 that the horsepower of central spiral paddle 3 and two side propellers 4,4 is added up to reduces 6%
Left and right.In addition, also additives can be not equipped in the rudder 5 at 3 rear of central spiral paddle, only at the rear of side propeller 4, configuration is attached
Add object 8, under such circumstances, the slip of the whole horsepower of three axis ship 1 is 4% or so.
In addition, other than the additives 8 of shape as described above, can also be filled for example shown in Fig. 3 at supporting mass 7
The additives 9 of the standby fin stretched out to the left and right, in addition it is also possible in addition to additives 8 as shown in Figure 2 is also equipped with such as Fig. 3 institute
The additives 9 shown.As long as arbitrary shape can be configured in supporting mass 7 in addition, hub whirlpool can be reduced at the rear of side propeller 4
Additives.
Also, in the present embodiment, can not also have at rear by the way that supporting mass 7 is arranged at the rear of side propeller 4
There is the side propeller 4 of rudder to be in rear configuration additives 8, the hub whirlpool with the rotation of side propeller 4 can be efficiently reduced.
As described above, in the present embodiment described above, at the rear for the propeller (side propeller) 4 that rudder is not configured at rear,
Additives 8, the additives 9 that hub whirlpool is reduced via the configuration of supporting mass 7 extended from hull 2, so there is no the spiral shell of rudder at rear
It also can be reduced hub whirlpool at rotation paddle (side propeller) 4.
In addition, in the present embodiment, additives 8 can be configured to, with the orthogonality of center shaft that extends along hull direction
There is circular section on direction, portion has the fusiform shape to become smaller towards rear end side diameter behind, if in this way,
It then can more effectively reduce in the hub whirlpool that propeller (side propeller) 4 generates.
In addition, the maximum gauge of additives 8 is relative to propeller (side propeller) 4 in the present embodiment, it is possible to be arranged to
Diameter be 10% or more 40% hereinafter, the length in hull direction relative to the diameter of propeller (side propeller) 4 is 40% or more
70% hereinafter, if in this way, if can particularly effectively reduce propeller (side propeller) 4 generate hub whirlpool.
Therefore, according to above-mentioned the present embodiment, it can be improved the propulsive efficiency of multiaxis propeller for ship.
In addition, the propulsion device of multiple screw ship of the invention is not limited to the above embodiments, it is clear that the present invention can not departed from
Objective in the range of be subject to various changes.
Description of symbols
1 multiple screw ship (three axis ships)
2 hulls
4 propellers (side propeller)
7 supporting masses
8 additives
9 additives.
Claims (4)
1. a kind of propulsion device of multiple screw ship, which is characterized in that
At the rear of the propeller of rear configuration rudder, the additional of hub whirlpool be not reduced via the supporting mass configuration extended from hull
Object.
2. the propulsion device of multiple screw ship as described in claim 1, which is characterized in that
Aforementioned additives on the direction of the orthogonality of center shaft extended along hull direction have circular section, behind portion have
Fusiform shape that oriented rear end side diameter becomes smaller.
3. the propulsion device of multiple screw ship as claimed in claim 2, which is characterized in that
The maximum gauge of aforementioned additives relative to said spiral paddle diameter be 10% or more 40% hereinafter, hull direction length
Diameter relative to said spiral paddle is 40% or more 70% or less.
4. the propulsion device of multiple screw ship as claimed any one in claims 1 to 3, which is characterized in that
Side propeller application relative to three axis ships.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2016/063353 WO2017187597A1 (en) | 2016-04-28 | 2016-04-28 | Propulsion device for multi-shaft ship |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109070981A true CN109070981A (en) | 2018-12-21 |
| CN109070981B CN109070981B (en) | 2021-07-13 |
Family
ID=60161366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680085000.3A Active CN109070981B (en) | 2016-04-28 | 2016-04-28 | Propulsion unit for multi-shaft ship |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP3450299B1 (en) |
| JP (1) | JP6770064B2 (en) |
| KR (1) | KR102199864B1 (en) |
| CN (1) | CN109070981B (en) |
| WO (1) | WO2017187597A1 (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1549564A (en) * | 1923-06-12 | 1925-08-11 | Stephen E Slocum | Propeller mount |
| FR1020502A (en) * | 1950-06-19 | 1953-02-06 | Forges Chantiers Mediterranee | Device for improving the propulsion efficiency of propellers, in particular for boats |
| CN101184663A (en) * | 2005-04-20 | 2008-05-21 | 罗尔斯-罗伊斯股份公司 | A propulsion and steering arrangement for a ship |
| CN101716989A (en) * | 2008-09-12 | 2010-06-02 | 瓦锡兰推进力荷兰公司 | Propulsion and steering arrangement |
| WO2011144239A1 (en) * | 2010-05-19 | 2011-11-24 | Wärtsilä Finland Oy | Rotational energy recovery appendage |
| KR20130056812A (en) * | 2011-11-22 | 2013-05-30 | 닛뽕 유센 가부시키가이샤 | Rudder bulb and rudder for ship |
| JP2013132937A (en) * | 2011-12-26 | 2013-07-08 | Mitsubishi Heavy Ind Ltd | Ship |
| KR20140093319A (en) * | 2013-01-14 | 2014-07-28 | 현대중공업 주식회사 | twin skeg vessel for improving resistance and thrust |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3004238B2 (en) | 1997-11-06 | 2000-01-31 | 川崎重工業株式会社 | Ship propulsion performance improvement device |
| DK1871659T3 (en) * | 2005-04-20 | 2014-09-22 | Rolls Royce Ab | Progress and steering arrangement for a ship |
| JP6046652B2 (en) | 2014-03-04 | 2016-12-21 | 三井造船株式会社 | Ship |
-
2016
- 2016-04-28 KR KR1020187033553A patent/KR102199864B1/en active IP Right Grant
- 2016-04-28 EP EP16900467.8A patent/EP3450299B1/en active Active
- 2016-04-28 JP JP2018514051A patent/JP6770064B2/en active Active
- 2016-04-28 CN CN201680085000.3A patent/CN109070981B/en active Active
- 2016-04-28 WO PCT/JP2016/063353 patent/WO2017187597A1/en active Application Filing
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1549564A (en) * | 1923-06-12 | 1925-08-11 | Stephen E Slocum | Propeller mount |
| FR1020502A (en) * | 1950-06-19 | 1953-02-06 | Forges Chantiers Mediterranee | Device for improving the propulsion efficiency of propellers, in particular for boats |
| CN101184663A (en) * | 2005-04-20 | 2008-05-21 | 罗尔斯-罗伊斯股份公司 | A propulsion and steering arrangement for a ship |
| CN101716989A (en) * | 2008-09-12 | 2010-06-02 | 瓦锡兰推进力荷兰公司 | Propulsion and steering arrangement |
| WO2011144239A1 (en) * | 2010-05-19 | 2011-11-24 | Wärtsilä Finland Oy | Rotational energy recovery appendage |
| KR20130056812A (en) * | 2011-11-22 | 2013-05-30 | 닛뽕 유센 가부시키가이샤 | Rudder bulb and rudder for ship |
| JP2013132937A (en) * | 2011-12-26 | 2013-07-08 | Mitsubishi Heavy Ind Ltd | Ship |
| KR20140093319A (en) * | 2013-01-14 | 2014-07-28 | 현대중공업 주식회사 | twin skeg vessel for improving resistance and thrust |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3450299A4 (en) | 2019-11-06 |
| EP3450299B1 (en) | 2021-08-18 |
| KR20190003586A (en) | 2019-01-09 |
| JP6770064B2 (en) | 2020-10-14 |
| KR102199864B1 (en) | 2021-01-11 |
| WO2017187597A1 (en) | 2017-11-02 |
| JPWO2017187597A1 (en) | 2019-03-07 |
| CN109070981B (en) | 2021-07-13 |
| EP3450299A1 (en) | 2019-03-06 |
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