CN102923244B - Ship line with stern transom plate and balanced rudder blade designing method - Google Patents
Ship line with stern transom plate and balanced rudder blade designing method Download PDFInfo
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- CN102923244B CN102923244B CN201210468477.3A CN201210468477A CN102923244B CN 102923244 B CN102923244 B CN 102923244B CN 201210468477 A CN201210468477 A CN 201210468477A CN 102923244 B CN102923244 B CN 102923244B
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Abstract
The invention discloses a ship line with a stern transom plate and a balanced rudder blade designing method. The ship bottom at the mounting position of a ship body rudder blade takes the shape of a combined ship body cyclogenesis plane; the combined ship body cyclogenesis plane comprises a ship body cyclogenesis curved plane, a ship body cyclogenesis horizontal sector plane, a ship body cyclogenesis column plane and a ship body cyclogenesis column plane lower end surface; for a streamline rudder blade, the upper end surface of the rudder blade is a curved plane parallel to the ship body cyclogenesis curved plane; and for a flat-plate rudder blade, the upper end line of the rudder blade is a curved line parallel to the ship body cyclogenesis curved plane. According to the invention, within all rotation angle ranges of the rudder blade, the shape of the upper edge of the rudder blade and the shape of a ship bottom plate are always kept parallel, so that the clearance can be minimized and an optimal space is always kept; therefore, the rudder effect is effectively enhanced, the operability of the ship is improved and energy is saved.
Description
Technical field
The present invention relates to a kind of hull lines and rudder blade, particularly relating to one has stern transom plate hull lines and balanced rudder rudder blade method of designing, and being applicable to all kinds ofly has single rudder ship of the installation balanced rudder of stern transom plate and many rudder ships, belongs to technical field of ships.
Background technology
The quality of ship maneuverability to boats and ships overall performance and ship navigation performance plays an important role, and the road-holding property quality of rudder to boats and ships has decisive role, so how to improve one of major issue that steerage just become ship-builder to study.People recognize very early theoretically when rudder area and rudder cross section constant, the size of aspect ratio plays a decisive role to steerage, and aspect ratio greatly then steerage is high, and the little then steerage of aspect ratio is low.But owing to limiting by drauht and navigation channel, the aspect ratio of general boats and ships is all less, particularly inland navigation craft thickness ratio of rudder is often less than 1, and in order to improve steerage, people have devised the streamline redder higher than single plate rudder efficiency, flap type rudder, base of a fruit nurse rudder, uncommon woods rudder etc.In theoretical investigation and engineering practice, it is found that hull has a significant effect to steerage, particularly bottom plating Shapes in rudder blade installation place has considerable influence through the flow characteristics of rudder.When rudder is arranged on hull bottom space, if the space between hull bottom and rudder upper limb is very little, then the flow characteristics flowing through rudder will be improved, and is equivalent to the aspect ratio increasing rudder blade, and moment of turning ship and the transverse force of rudder are improved and steerage is improved.Enough hour of space between hull bottom and rudder upper limb, its steerage almost can improve 2 times.But, this favorable factor just could better embody when the hull of rudder blade installation place is flat at present, its reason is, in traditional ship design, because hull lines is a complicated space curved surface that can not change, and rudder blade be one can around the mechanism of rudder stock central rotation, so prior art can only be accomplished rudder blade and be made the upper limb of rudder and hull base plate have state (namely gap is minimum) of coincideing preferably under a certain corner, and make rudder blade steerage under this corner better.Such as, for single stern list rudder ship, when 0 ° of rudder angle, rudder blade upper edge shape can be accomplished parallel with ship stern base plate configuration and gap is accomplished minimum, thus now steerage is best, but when rudder rotates a certain angle, to collide to not make rudder blade and hull or due to the reason of hull self molded line, the upper edge shape that must lose rudder blade and the parallel of hull base plate configuration and relation closely, now gap becomes price scissors to strengthen, thus steerage is reduced.Therefore, redesign must be carried out to hull and rudder blade and gap could be accomplished minimum, thus improve steerage.
Summary of the invention
One is the object of the present invention is to provide to have stern transom plate hull lines and balanced rudder rudder blade method of designing, make in all angle ranges of rudder blade, rudder blade upper edge shape remains parallel with bottom plating shape and that its gap can be accomplished is minimum, remain best interference fit, thus effectively improve steerage, improve the road-holding property of boats and ships, economize energy.
Object of the present invention is achieved by the following technical programs:
One has stern transom plate hull lines and balanced rudder rudder blade method of designing, the hull bottom shape of hull rudder blade 6 installation place be combination hull revolve raw face, described combination hull revolve raw face be revolve raw curved surface 9 by hull, hull revolves unboiled water flat covering of the fan 9C, hull revolves raw cylinder 9a, hull revolves raw cylinder lower surface 9b and combines; It is with rudder stock line of centers 5 for rotating shaft that described hull revolves raw curved surface 9, with hull 0 ° straight hatching line 4a posterior curves for hull revolves raw surface bus 7, revolve raw curved surface with hull and revolve the male character types in Chinese operas, usu. referring tov the bearded character
for angle of rotation, rotate and generate; Described hull revolves raw surface bus 7, is first in waterplane figure, directly cuts open the intersection point of molded line 4a with rudder stock line of centers 5 and hull 0 °
point is starting point, revolves raw curved surface revolve the male character types in Chinese operas, usu. referring tov the bearded character with hull
for angle of radiation, make line segment
intersect at stern transom plate molded line
point; And then directly cuing open in figure, mistake
point makes horizontal line section
, and make
, mistake
point makes vertical line
, make
, hull 0 ° is directly cutd open molded line 4a and naturally extends and vertical line to ship stern
intersect at
point, hull after extension 0 ° directly cuts open on molded line and intercepts segment of curve
, segment of curve
be hull and revolve raw surface bus; Described hull revolves raw curved surface and revolves the male character types in Chinese operas, usu. referring tov the bearded character
be be 0 ° of line with the hull line of centers in waterplane figure, being ± 35 ° for marine ship value, is ± 45 ° for inland navigation craft value; Hull revolves the flat covering of the fan 9C of unboiled water with rudder stock line of centers 5 for rotating shaft, revolves raw horizontal bus 7b for bus, revolve raw curved surface revolve the male character types in Chinese operas, usu. referring tov the bearded character with hull with hull
for angle of rotation, rotate and generate; Described hull revolves raw horizontal bus 7b, that hull 0 ° before directly cuing open the rudder stock line of centers 5 in figure directly cuts open on molded line 4a and chooses g point, g point is made to be greater than the distance of rudder blade upper end forward terminal h to rudder stock line of centers 5 to the distance of rudder stock line of centers 5, cross g point and make horizontal linear, this horizontal linear gets a f after g point, make f point equal described hull to the distance of rudder stock line of centers 5 and revolve the distance of raw segment of a cylinder to rudder stock line of centers, line segment
be hull and revolve raw horizontal bus; It is with rudder stock line of centers 5 for rotating shaft that described hull revolves raw cylinder 9a, revolves raw segment of a cylinder 7a for bus with hull, rotates ± 180 ° of angles and rotates generation, generates hull simultaneously and revolves raw cylinder lower surface 9b; Described hull revolves raw segment of a cylinder, at horizontal linear
on choose f point, make f point approximate neck bearing outside radius to the distance of rudder stock line of centers, f point also can be less than neck bearing outside radius to the distance of rudder stock line of centers, and f point also can drop on rudder stock line of centers, crosses f point and makes vertical line
, make
, revolve raw surface bus with hull and intersect at
point, vertical line segment
be hull and revolve raw segment of a cylinder; Just no longer include hull when f point drops on rudder stock line of centers and revolve raw cylinder, hull now revolves raw cylinder and deteriorates to straight line
; In the angle range of rudder blade 6, for stream line pattern rudder blade, rudder blade upper surface revolves the parallel curved surface of raw curved surface 9 everywhere; For dull and stereotyped rudder blade, on rudder blade, end line revolves the parallel curve of raw curved surface 9 everywhere.
Object of the present invention can also be realized further by following technical measures:
Aforementioned have stern transom plate hull lines and balanced rudder rudder blade method of designing, wherein rudder blade upper surface, is made up of upper surface after rudder blade 61, the vertical cylinder 6b in rudder blade upper end, rudder blade upper end horizontal surface 6a; For balance streamline redder, when upper surface after rudder blade 61 is Double curve degree plate, revolve raw curved surface offset downward distance t with its corresponding position hull and generate, described departure distance t approximates 1/10th of rudder blade maximum ga(u)ge after deducting this place's bottom plating thickness, and value is between 20 millimeters ~ 60 millimeters, when after described rudder blade, upper surface 61 is single degree plate, after rudder blade, upper surface shape is a single curved surface generated along beam direction translation scan for bus with end line upper after rudder blade; For balance streamline redder, described rudder blade upper end vertical cylinder 6b revolves raw cylinder with its corresponding position hull to generate to stern departure distance r, and described departure distance r should be less than 30 millimeters after deducting this place's planking thickness or neck bearing outside radius; For balance streamline redder, described rudder blade upper end horizontal surface 6a revolves the flat covering of the fan of unboiled water or hull to revolve raw cylinder lower surface and offset downward distance s and generate with described hull, described departure distance s should be less than 50 millimeters after deducting this place's planking thickness.
Aforementioned have stern transom plate hull lines and balanced rudder rudder blade method of designing, wherein end line on rudder blade, is made up of end line upper after rudder blade, the vertical post line in rudder blade upper end, rudder blade upper end horizon; Upper end line after described rudder blade, be directly cut open molded line 4a offset downward distance t with its corresponding position hull 0 ° and generate, described departure distance t is less than 20 millimeters after deducting this place's bottom plating thickness; The vertical post line in described rudder blade upper end, be revolve raw segment of a cylinder with its corresponding position hull to generate to stern departure distance r, described departure distance r should be less than 20 millimeters after deducting this place's planking thickness or neck bearing outside radius; Described rudder blade upper end horizon, be revolve raw horizontal bus offset downward distance s with its corresponding position hull and generate, described departure distance s is less than 20 millimeters after deducting this place's bottom plating thickness.
Compared with prior art, the invention has the beneficial effects as follows: the present invention is in all angle ranges of rudder blade, rudder blade upper edge shape remains parallel with bottom plating shape and that its gap can be accomplished is minimum, remain best interference fit, thus effectively improve steerage, steerage can be enhanced about more than once, and obviously improves the road-holding property of boats and ships, economize energy.
Accompanying drawing explanation
Fig. 1 is lateral plan of the present invention (directly cuing open figure);
Fig. 2 is A direction view of the present invention (stands face figure);
Fig. 3 is B direction view of the present invention (waterplane figure).
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Fig. 1 is lateral plan of the present invention (directly cuing open figure), and schematical sections directly cuts open molded line and rudder when 0 ° of rudder angle, the relative position situation of rudder and hull;
Fig. 2 is A direction view of the present invention (stands face figure), due to symmetry, only illustrates larboard part molded line;
Fig. 3 is B direction view of the present invention (waterplane figure), due to symmetry, only illustrates larboard part molded line.
As shown in Figure 1, Figure 2, Figure 3 shows:
point is that rudder stock line of centers 5 directly cuts open the intersection point of molded line 4a with hull 0 °;
point is the intersection point that hull 0 ° directly cuts open molded line 4a and hull stern transom plate molded line 401;
Dimension line t is that rudder blade upper end-face edge 61 directly cuts open the gap of molded line 4a with hull 0 °;
Dimension line r is the gap that rudder blade upper end vertical post line 6b and hull revolve raw segment of a cylinder 7a;
Angle
revolve the male character types in Chinese operas, usu. referring tov the bearded character for hull revolves raw curved surface, in figure 3, rotate clockwise
for just, rotating counterclockwise
be negative;
Hull 0 ° directly cuts open the straight hatching line of hull that molded line was rudder stock line of centers;
Corner cut θ is that the point of intersection hull 0 ° that hull 0 ° directly cuts open molded line and rudder stock line of centers directly cuts open molded line and horizontal angle;
On rudder blade, end line 61 directly cuts open plane curve for being one, and this curve directly cuts open molded line 4a to offset downward and the curve obtained with its corresponding position hull 0 °, and departure distance is t;
The vertical post line in rudder blade upper end directly cuts open plane orthogonal straight line for being one, and the hull that this straight line is corresponding with it distance of revolving between raw segment of a cylinder is t;
Rudder blade upper end horizon directly cuts open planar horizontal straight line for being one, and the hull that this straight line is corresponding with it distance of revolving between raw horizontal bus is t.
Be face, the hull station molded line of single stern balanced rudder, waterplane molded line, the shape of straight section molded line and quantity shown in Fig. 1, Fig. 2, Fig. 3 figure, only provide as non-limitative illustration.
As shown in Figure 1, Figure 2, Figure 3 shows,
point is that rudder stock line of centers 5 directly cuts open the intersection point of molded line 4a with hull 0 °.
Have stern transom plate hull lines and balanced rudder rudder blade method of designing as follows:
1. in figure 3, with
point is starting point, with rudder blade hard-over angle
for angle of radiation, make line segment
intersect at stern transom plate molded line 40
point; In FIG, mistake
point makes horizontal line section
, and make
, mistake
point makes vertical line
, make
, hull 0 ° is directly cutd open molded line 4a and naturally extends and vertical line to ship stern
intersect at
point, hull after extension 0 ° directly cuts open on molded line and intercepts segment of curve
raw surface bus 7 is revolved as hull; Hull before rudder stock line of centers 0 ° directly cuts open on molded line 4a and looks for g point, makes g point to the distance of rudder stock line of centers slightly larger than the distance of rudder blade upper end forward terminal h to rudder stock line of centers, crosses g point and makes horizontal linear
, be hull and revolve raw horizontal bus 7b; At horizontal linear
on look for f point to make f point approximate neck bearing outside radius to the distance of rudder stock line of centers, f point also can be less than neck bearing outside radius to the distance of rudder stock line of centers, and f point also can drop on rudder stock line of centers, crosses f point and makes vertical line
(make
) revolve raw surface bus 7 intersect at hull
point, obtains hull and revolves raw segment of a cylinder 7a, just no longer includes hull revolve raw cylinder 9a when f point drops on rudder stock line of centers, and hull now revolves raw cylinder 9a and deteriorates to straight line
.
2. revolve raw surface bus 7 with hull and hull revolves raw horizontal bus 7b for bus, with rudder stock line of centers 5 for S. A., be 0 ° of line with hull line of centers 8, make its bus around rudder stock line of centers rotation ± α degree, its mark face forms hull and revolves raw curved surface 9, hull revolves the flat covering of the fan 9c of unboiled water, hull revolves the rotating fan curved surface that raw curved surface 9 is approximate cone-shape, the absolute value of α is about greater than rudder blade hard-over angle, the absolute value of α also can about be less than rudder blade hard-over angle in other instances, the rudder blade hard-over angle of usual marine ship is ± 35 °, the rudder blade hard-over angle of inland navigation craft is ± 45 °, revolving raw segment of a cylinder 7a for bus with hull, with rudder stock line of centers 5 for S. A., is 0 ° of line with hull line of centers 8, makes its bus rotate ± 180 degree around rudder stock line of centers, has both obtained hull and has revolved raw cylinder 9a, (hull revolves raw cylinder) lower surface 9b.Hull revolves raw curved surface 9, hull revolves the flat covering of the fan 9c of unboiled water, hull revolves raw cylinder 9a, (hull revolves raw cylinder) lower surface 9b jointly forms combination hull and revolves raw face.
3. revolve raw face place at combination hull and optionally increase face, some hull stations, hull waterplane, the straight section of hull.It is 4 that the present embodiment increases face, station, and face molded line that hull 4 must arrive at a station is 11 ~ 14 4, correspondingly revolves at combination hull that raw face obtains face, interior station molded line is 111 ~ 141 4; It is 5 that the present embodiment increases waterplane, and it is 21 ~ 25 5 that hull 4 obtains waterplane molded line, correspondingly revolves at combination hull that raw face obtains interior waterplane molded line is 221 ~ 241 3; It is 3 that the present embodiment increases straight section, and it is 31 ~ 33 3 that hull 4 obtains straight section molded line, correspondingly revolves at combination hull that raw face obtains interior straight section molded line is 311,321 two.
4. regenerate stern transom plate molded line, the stern transom plate molded line that hull 4 obtains is 40, revolve at combination hull that raw face obtains interior stern transom plate molded line is 401.
5. adjust on hull 4: face molded line 13,14 of standing, waterplane molded line 22 ~ 25, straight section molded line 31 ~ 33, stern transom plate molded line 40, and other hull relative molded line, until make hull lines revolve at hull face, the corresponding interior station molded line 131,141 that raw curved sides border 91 place and hull revolve raw curved surface 9, interior waterplane molded line 221 ~ 241 and hull revolve raw curved surface coboundary 92, interior straight section molded line 311,321, and interior stern transom plate molded line 401 smooth connection mutually; On adjustment hull 4: face molded line 11,12 of standing, waterplane molded line 21, and other hull relative molded line, mutual smooth connection; To stand face molded line 11,12, waterplane molded line 21, and other hull relative molded line, revolve face, corresponding interior station molded line 111,121 on raw face to combination hull, revolve raw cylinder lower boundary 93 at hull, hull revolves unboiled water planar side border 94, hull revolves unboiled water plane front border 95 place knuckle and connect.
6. when hull lines offset need larger adjustment amount just can make hull lines and hull revolve raw curved surface well smooth connection time, or generate hull revolve raw curved surface be connected with Ship-lines fairing after shape not ideal time, then should adjust hull 0 ° respectively and directly cut open the shape of molded line 4a or the size of adjustment corner cut θ (the point of intersection hull 0 ° that hull 0 ° directly cuts open molded line and rudder stock line of centers directly cuts open molded line in horizontal angle), or the hull 0 ° of adjustment adjustment simultaneously directly cuts open the shape of molded line 4a or the size of adjustment corner cut θ, then the step of aforesaid 1 ~ 5 is repeated, until obtain satisfied hull lines.Then hull unnecessary after stern transom plate is revolved raw curved surface 9 to prune away.
As Fig. 1, rudder blade upper end-face edge shape must be good fit with aforesaid hull lines, and just can play the effect fully improving steerage, rudder blade upper end-face edge shape is divided into three kinds of situations to design:
When rudder blade is the dull and stereotyped rudder blade of balance, on rudder blade, end line 61 is rhizoplane curves, this curve directly cuts open molded line 4a to offset downward distance t and the curve generated with its corresponding position hull 0 °, departure distance t should be not more than 20 millimeters after deducting this place's bottom plating thickness, the spacing that rudder blade upper end vertical post line 6b and hull revolve raw segment of a cylinder 7a is r, spacing r should be not more than 20 millimeters after deducting this place's planking thickness or neck bearing outside radius, the spacing that rudder blade upper end horizon 6a and hull revolve raw horizontal bus 7b is s, spacing r should be not more than 20 millimeters after deducting this place's planking thickness, on rudder blade, end line 61 forms rudder blade upper end profile jointly with rudder blade upper end vertical post line 6b and rudder blade upper end horizon 6a,
When rudder blade is equiulbrium flow line style rudder blade, and when after rudder blade, upper surface 61 is Double curve degree plate, after rudder blade, upper surface 61 combines hull to revolve the raw departure distance t and generating of facing down with its corresponding position, departure distance t approximates 1/10th of rudder blade maximum ga(u)ge after deducting this place's bottom plating thickness, but 20 millimeters must be greater than and be less than 60 millimeters simultaneously, the vertical cylinder 6b in rudder blade upper end combines hull to revolve and raw to generate towards stern departure distance r with its corresponding position, translation distance r should be less than 30 millimeters after deducting this place's planking thickness or neck bearing outside radius, rudder blade upper end horizontal surface 6a combines hull to revolve the raw departure distance s and generating of facing down with its corresponding position, , departure distance s should be not more than 50 millimeters after deducting this place's planking thickness, after rudder blade, upper surface 61 and the vertical cylinder 6b in rudder blade upper end and rudder blade upper end horizontal surface 6a form rudder blade upper end profile jointly,
When rudder blade is equiulbrium flow line style rudder blade, for simplified manufacturing technique, when reduction manufacturing cost does not almost affect efficiency of coming about simultaneously, after rudder blade, upper surface shape is one is the single curved surface that bus generates along beam direction translation scan with end line 61 upper after rudder blade, this bus directly cuts open molded line 4a to offset downward with its corresponding position hull 0 ° the curve that distance generates for t, departure distance t approximates 1/10th of rudder blade maximum ga(u)ge after deducting this place's bottom plating thickness, but 20 millimeters must be greater than and be less than 50 millimeters simultaneously, the vertical cylinder 6b in rudder blade upper end combines hull to revolve and raw to generate towards stern departure distance r with its corresponding position, translation distance r should be less than 30 millimeters after deducting this place's planking thickness or neck bearing outside radius, rudder blade upper end horizontal surface 6a combines hull to revolve the raw departure distance s and generating of facing down with its corresponding position, departure distance s should be not more than 50 millimeters after deducting this place's planking thickness, after rudder blade, upper 61 form rudder blade upper end profile jointly with the vertical cylinder 6b in rudder blade upper end and rudder blade upper end horizontal surface 6a.
In addition to the implementation, the present invention can also have other embodiments, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of application claims.
Claims (3)
1. one kind has stern transom plate hull lines and balanced rudder rudder blade method of designing, it is characterized in that, the hull bottom shape of hull rudder blade (6) installation place be combination hull revolve raw face, described combination hull revolve raw face be revolve raw curved surface (9) by hull, hull revolves the flat covering of the fan of unboiled water (9C), hull revolves raw cylinder (9a), hull revolves raw cylinder lower surface (9b) and combines; It is for rotating shaft with rudder stock line of centers (5) that described hull revolves raw curved surface (9), be that hull revolves raw surface bus (7) with hull 0 ° of straight hatching line (4a) posterior curves, revolve raw curved surface with hull and revolve the male character types in Chinese operas, usu. referring tov the bearded character α for angle of rotation, rotate and generate; Described hull revolves raw surface bus (7), is first in waterplane figure, directly cuts open the intersection point o point of molded line (4a) for starting point, revolve raw curved surface and revolve the male character types in Chinese operas, usu. referring tov the bearded character α for angle of radiation, make line segment with hull with rudder stock line of centers (5) and hull 0 °
b point is intersected at stern transom plate molded line; And then directly cuing open in figure, cross o point and make horizontal line section
and make
cross b point and make vertical line
make
hull 0 ° is directly cutd open molded line (4a) naturally extend and vertical line to ship stern
intersect at c point, hull after extension 0 ° directly cuts open on molded line and intercepts segment of curve oc, and segment of curve oc is hull and revolves raw surface bus; Described hull revolves raw curved surface, and to revolve the male character types in Chinese operas, usu. referring tov the bearded character α be 0 ° of line with the hull line of centers in waterplane figure, and being ± 35 ° for marine ship value, is ± 45 ° for inland navigation craft value; Hull revolves the flat covering of the fan of unboiled water (9C) with rudder stock line of centers (5) for rotating shaft, revolves raw horizontal bus (7b) for bus with hull, revolves raw curved surface revolve the male character types in Chinese operas, usu. referring tov the bearded character α for angle of rotation with hull, rotates and generates; Described hull revolves raw horizontal bus (7b), directly cut open on molded line (4a) and choose g point directly cuing open the front hull 0 ° of the rudder stock line of centers (5) in figure, g point is made to be greater than the distance of rudder blade upper end forward terminal h to rudder stock line of centers (5) to the distance of rudder stock line of centers (5), cross g point and make horizontal linear, this horizontal linear gets a f after g point, make f point equal hull to the distance of rudder stock line of centers (5) and revolve the distance of raw segment of a cylinder (7a) to rudder stock line of centers, line segment
be hull and revolve raw horizontal bus; It is for rotating shaft with rudder stock line of centers (5) that described hull revolves raw cylinder (9a), raw segment of a cylinder (7a) is revolved for bus with hull, rotate ± 180 ° of angles and rotate generation, generate hull simultaneously and revolve raw cylinder lower surface (9b); Described hull revolves raw segment of a cylinder (7a) namely at horizontal linear
on choose f point, make f point be equal to or less than neck bearing outside radius to the distance of rudder stock line of centers; Or at horizontal linear
on choose f point, make f point drop on rudder stock line of centers, cross f point and make vertical line
make
revolve raw surface bus with hull and intersect at e point, vertical line segment
be hull and revolve raw segment of a cylinder (7a); When f point drops on rudder stock line of centers, hull revolves raw cylinder (9a) and deteriorates to straight line
in the angle range of rudder blade (6), for stream line pattern rudder blade, rudder blade upper surface revolves the parallel curved surface of raw curved surface (9) everywhere; For dull and stereotyped rudder blade, on rudder blade, end line revolves the parallel curve of raw curved surface (9) everywhere.
2. there are stern transom plate hull lines and balanced rudder rudder blade method of designing according to claim 1, it is characterized in that, described rudder blade upper surface, is made up of upper surface after rudder blade (61), the vertical cylinder in rudder blade upper end (6b), rudder blade upper end horizontal surface (6a); For balance streamline redder, when upper surface after rudder blade (61) are for Double curve degree plate, revolve raw curved surface offset downward distance t with its corresponding position hull and generate, described departure distance t equals 1/10th of rudder blade maximum ga(u)ge after deducting this place's bottom plating thickness, and value is between 20 millimeters ~ 60 millimeters, when after described rudder blade, upper surface (61) are for single degree plate, after rudder blade, upper surface shape is a single curved surface generated along beam direction translation scan for bus with end line upper after rudder blade; For balance streamline redder, the vertical cylinder in described rudder blade upper end (6b) revolves raw cylinder with its corresponding position hull to generate to stern departure distance r, and described departure distance r should be less than 30 millimeters after deducting this place's planking thickness or neck bearing outside radius; For balance streamline redder, described rudder blade upper end horizontal surface (6a) revolves the flat covering of the fan of unboiled water or hull to revolve raw cylinder lower surface and offset downward distance s with described hull and generate, and described departure distance s should be less than 50 millimeters after deducting this place's planking thickness.
3. there are stern transom plate hull lines and balanced rudder rudder blade method of designing according to claim 1, it is characterized in that, end line on described rudder blade, be made up of end line upper after rudder blade, the vertical post line in rudder blade upper end, rudder blade upper end horizon; Upper end line after described rudder blade, be directly cut open molded line (4a) with its corresponding position hull 0 ° offset downward distance t and generate, described departure distance t is less than 20 millimeters after deducting this place's bottom plating thickness; The vertical post line in described rudder blade upper end, be revolve raw segment of a cylinder with its corresponding position hull to generate to stern departure distance r, described departure distance r should be less than 20 millimeters after deducting this place's planking thickness or neck bearing outside radius; Described rudder blade upper end horizon, be revolve raw horizontal bus offset downward distance s with its corresponding position hull and generate, described departure distance s is less than 20 millimeters after deducting this place's bottom plating thickness.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB826155A (en) * | 1956-06-01 | 1959-12-31 | Burness Corlett & Partners Ltd | Improvements in and relating to the hull form of tug boats and towing vessels |
| CN2088973U (en) * | 1991-03-15 | 1991-11-20 | 湘潭市水运总公司 | V type motor driven lighter |
| US5176092A (en) * | 1991-08-30 | 1993-01-05 | Newport News Shipbuilding And Dry Dock Company | Icebreaker bow and hull form |
| CN101648596A (en) * | 2008-08-13 | 2010-02-17 | 贝克船舶系统有限及两合公司 | Rudder arrangement for ships having higher speeds comprising a cavitation-reducing twisted, in particular balanced rudder |
| CN202320713U (en) * | 2011-10-18 | 2012-07-11 | 上海斯迪安船舶设计有限公司 | Hull form for ocean engineering ship |
Non-Patent Citations (2)
| Title |
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| JP特开2005-247122A 2005.09.15 * |
| JP特开平10-138998A 1998.05.26 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102923244A (en) | 2013-02-13 |
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