CN105764791B - Pipe guide - Google Patents
Pipe guide Download PDFInfo
- Publication number
- CN105764791B CN105764791B CN201480064617.8A CN201480064617A CN105764791B CN 105764791 B CN105764791 B CN 105764791B CN 201480064617 A CN201480064617 A CN 201480064617A CN 105764791 B CN105764791 B CN 105764791B
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- China
- Prior art keywords
- conduit
- strut
- rotary shaft
- propeller
- pipe guide
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Classifications
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- 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
- B63H5/16—Arrangements on vessels of propulsion elements directly acting on water of propellers characterised by being mounted in recesses; with stationary water-guiding elements; Means to prevent fouling of the propeller, e.g. guards, cages or screens
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The present invention provides a kind of pipe guide.Pipe guide (1) possesses：Conduit (2), is being arranged at least a portion for the rotary shaft periphery that propeller is configured in front of the stern propeller (101) of hull；And strut (3), at least a portion of connecting conduit and hull.The section of conduit, it is different in the part 2 of the conduit different with part 1 in the part 1 of the distance between the central point of the foliated blade string of a musical instrument and the line institute angle degree parallel from rotary shaft and the blade string of a musical instrument and rotary shaft in conduit and the circumference in rotary shaft for foliaceous.
Description
Technical field
The present invention relates to a kind of pipe guide of ship.
Background technology
In the technical field of ship, it is known to a kind of ship, the ship possesses for example as disclosed in patent document 1
Pipe guide.
Conventional art document
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2008-137462 publications
The summary of invention
The invention technical task to be solved
The stern of hull is configured at by pipe guide, ship obtains energy-saving effect.By improving to pipe guide,
Higher energy-saving effect can be expected.
It is an object of the invention to provide a kind of pipe guide for the ship that can obtain energy-saving effect.
Means for solving technical task
The 1st mode of the present invention provides a kind of pipe guide, possesses：Conduit, in the propeller for the stern for being arranged at hull
Front be configured at the propeller rotary shaft periphery at least a portion；And strut, connect the conduit and the hull
At least a portion, the section of the conduit is foliaceous, the foliated blade string of a musical instrument and parallel with the rotary shaft
The distance of the central point and the rotary shaft of line institute angle degree and the blade string of a musical instrument is in the part 1 of the conduit and in institute
State different in the part 2 of the conduits different from the part 1 in the circumference of rotary shaft.
In the pipe guide of the present invention, at least a portion of the conduit is configured at the top of the rotary shaft, described
Part 1 includes the upper end of the conduit, and the part 2 includes the side end of the conduit, the part 1 it is described
Angle can be more than the angle of the part 2, and the distance of the part 1 can be less than the part 2
Distance.
In the pipe guide of the present invention, the conduit has leading section, determines inflow entrance；And rearward end, with the spiral shell
Revolve oar opposed, and determine size and the shape flow export different from the inflow entrance, the flow export can be less than described flow into
Mouthful, the upper end inner surface of the rearward end protrudes to the rotary shaft, and the upper end inner surface of the leading section is not to described
Rotary shaft is protruded.
In the pipe guide of the present invention, the section of the strut can be foliaceous.
The 2nd mode of the present invention provides a kind of pipe guide, possesses：Conduit, in the propeller for the stern for being arranged at hull
Front be configured at the propeller rotary shaft periphery at least a portion；And strut, connect the conduit and the hull
At least a portion, the section of the strut is foliaceous.
In the pipe guide of the present invention, the strut can be configured at ratio with the leading edge of the foliated blade string of a musical instrument
Trailing edge mode closer to the top and tilt.
In the pipe guide of the present invention, the strut has：Inner end, is connected with the hull；And outer end, in phase
For being configured at the outside of the inner end in the radiation direction of the rotary shaft of the propeller, and it is connected with the conduit, institute
Stating the foliated blade string of a musical instrument can be in the third portion of the strut and in the radiation direction with horizontal plane institute angle degree
It is different in 4th part of the strut different from the third portion.
In the pipe guide of the present invention, the blade string of a musical instrument of the inner end of the strut can be with the blade
The leading edge of shape is configured at the mode more closer to the top than trailing edge and tilted, and the blade string of a musical instrument of the outer end of the strut can
With by the foliated leading edge be configured at than trailing edge more on the lower in the way of and tilt.
In the pipe guide of the present invention, the strut includes being configured at the 1st of the top of the rotary shaft of the propeller
Strut and the 2nd strut, in the circumference of the rotary shaft, the 1st strut and the 2nd strut institute angle degree can be less than
90 degree.
In the pipe guide of the present invention, the conduit can also surround described above the rotary shaft of the propeller
The mode of a part for rotary shaft and configure.
Invention effect
In accordance with the invention it is possible to obtain energy-saving effect.
Brief description of the drawings
Fig. 1 is the side view of one of the pipe guide for the ship for showing schematically the 1st embodiment.
Fig. 2 is the front view of one of the pipe guide for the ship for showing schematically the 1st embodiment.
Fig. 3 is the stereogram of one of the pipe guide for the ship for showing schematically the 1st embodiment.
Fig. 4 is the sectional view of one of the conduit for representing the 1st embodiment.
Fig. 5 is the front end contouring for the conduit for representing the 1st embodiment and the figure of one of rear end contouring.
Fig. 6 is the sectional view of one of the strut for representing the 1st embodiment.
Fig. 7 is the figure of one of the pipe guide for the ship for showing schematically the 2nd embodiment.
Fig. 8 is the figure of one of the pipe guide for the ship for showing schematically the 3rd embodiment.
Fig. 9 is the figure of one of the pipe guide for the ship for showing schematically the 4th embodiment.
Embodiment
Hereinafter, refer to the attached drawing is illustrated to embodiments of the present invention, but the present invention is not limited to this.For following
The necessary condition for each embodiment that will be illustrated can be suitably combined.Also, sometimes without using a part
Constitutive requirements.
The embodiment ＞ of ＜ the 1st
1st embodiment is illustrated.Fig. 1 is the one of the pipe guide 1 for the ship for showing schematically present embodiment
The side view of example.Fig. 2 is the front view of one of the pipe guide 1 for the ship for showing schematically present embodiment, equivalent to Fig. 1
Line A-A direction view.Fig. 3 is the stereogram of one of the pipe guide 1 for the ship for showing schematically present embodiment.
As shown in figure 1, ship possesses：Propeller 101, is arranged at the stern 100B of hull 100；Pipe guide 1, is configured at
The front of propeller 101；And rudder for ship 102, it is configured at the rear of propeller 101.Pipe guide 1 is configured at the stern of hull 100
100B.Propeller 101 is connected via axle 103 with being equipped on the power source of hull 100.Power source includes drawing as diesel engine
Hold up and motor at least one.Hull 100 has stern tube 104, and axle 103 is supported in stern tube in the way of it can rotate
104.Power source rotates propeller 101 via axle 103.Propeller 101 is pivoted about with rotary shaft AX.Propeller
101 are rotated, thus ship's navigation.
By the rotation of propeller 101, ship advances to bow side.In the direction of advance of the ship of advance, front is matched somebody with somebody
Bow is equipped with, rear is configured with stern 100B.In the following description, by the front in the direction of advance of the ship of advance suitably
Referred to as front, rear is suitably referred to as by the rear in the direction of advance of the ship of advance.Also, will in the horizontal plane with
The orthogonal direction of direction of advance is properly termed as width.
Also, the direction parallel with rotary shaft AX in the following description, is properly termed as axial direction, will be relative to rotary shaft
AX radiation direction is properly termed as radially, the direction of rotation centered on rotary shaft AX being properly termed as into circumference.
Pipe guide 1 possesses：Conduit 2, is configured at the front of propeller 101；And strut 3, connecting conduit 2 and hull 100
At least a portion.Conduit 2 is configured at least a portion of the rotary shaft AX peripheries of propeller 101 in the front of propeller 101.
Furthermore it is possible to which conduit 2 is referred to as into nozzle 2.Strut 3 is properly termed as pillar 3, is referred to as web 3.In present embodiment
In, strut 3 links the stern tube 104 of conduit 2 and hull 100.
In the present embodiment, at least a portion of conduit 2 is configured above the rotary shaft AX of propeller 101.In this reality
Apply in mode, conduit 2 is configured above the rotary shaft AX of propeller 101 in the way of surrounding a rotary shaft AX part.
That is, conduit 2 is semi-circular cylindrical (semicircular).In the following description, by least one of the rotary shaft AX peripheries of propeller 101
The inner surface of conduit 2 is properly termed as in point towards the face of rotary shaft AX conduit 2, by towards opposite the one of the inner surface of conduit 2
The face of the conduit 2 of side is properly termed as the outer surface of conduit 2.
Conduit 2 has leading section 21 and rearward end 22.Leading section 21 is configured at the front of rearward end 22.Leading section 21 is determined
The inflow entrance 4 that fluid (seawater etc.) is flowed into.Rearward end 22 is opposed with propeller 101.Rearward end 22 determines the outflow of fluid outflow
Mouth 5.In the present embodiment, the size of inflow entrance 4 and the size of flow export 5 are difference.In the present embodiment, flow export 5
Less than inflow entrance 4.Also, in the present embodiment, the shape of inflow entrance 4 is different with the shape of flow export 5.
As shown in Figures 2 and 3, the inner surface of conduit 2 in the upper end of rearward end 22 protrudes to rotary shaft AX.That is, rear end
The inner surface of conduit 2 in the upper end in portion 22 has the convex portion 22T protruded to inner side.On the other hand, the upper end of leading section 21
In the inner surface of conduit 2 not to rotary shaft AX protrude.
The profile of leading section 21 and the profile of rearward end 22 are symmetrical in the horizontal respectively.That is, by rotary shaft AX, relative to
Datum line (symmetry axis) SR parallel with vertical, the profile of leading section 21 and the profile difference line of rearward end 22 are symmetrical.
Fig. 4 is the sectional view of one of the conduit 2 for representing present embodiment.Fig. 5 be represent leading section 21 profile and after
The figure of one of the profile of end 22.Fig. 5 represents the profile of the side relative to symmetry axis SR.
As shown in figure 4, the section of conduit 2 is foliaceous.The foliaceous of conduit 2 has by the interaction with fluid
Effectively obtain the profile of lift.The foliaceous (cross sectional shape) of conduit 2 is from the exterior region shape that edge is tapered backward.
In the present embodiment, the foliated outer surface of conduit 2 is linearly or the small convex of convexity specific inner surface or concavity.Lead
The foliated inner surface of pipe 2 is in the curved protruded to inner side (rotary shaft AX sides).In the foliaceous of conduit 2, to blade
The leading edge 23 foremost of shape, the trailing edge 24 of foliated rearmost end, the blade string of a musical instrument 25 for linking leading edge 23 and trailing edge 24 and according to
Center line 26 obtained from the secondary central point for linking foliated upper surface and lower surface is determined.Leading section 21 includes blade
Shape leading edge 23.Rearward end 22 includes foliaceous trailing edge 24.
In the present embodiment, conduit 2 is more than rotary shaft AX with the distance between diametrically rotary shaft AX and leading edge 23
Configured with the mode of the distance between trailing edge 24.
Ship is when (sea) advances on the water, at least a portion of water via the leading edge 23 of conduit 2 along conduit 2 in
Surface flow.According to Bernoulli's theorem, the inner surface of conduit 2 of leading section 21 turns into negative pressure, and produces lift.Pass through the axle of lift
Thrust is produced to component (thrust produced by conduit 2).Also, due to making propeller by the thrust produced by conduit 2
The output of 101 power sources rotated is suppressed, therefore, it is possible to obtain energy-saving effect.
In the present embodiment, by the foliated blade string of a musical instrument 25 of conduit 2 and parallel with the rotary shaft AX of propeller 101
Line institute angle degree φ be properly termed as match somebody with somebody angle setting φ.
Also, in the present embodiment, by the radiation direction relative to the rotary shaft AX of propeller 101, chord of blade
The distance between the central point 25M of the line 25 and rotary shaft AX of propeller 101 R is properly termed as radial location R.
In the present embodiment, foliated the blade string of a musical instrument 25 and the line parallel with the rotary shaft AX of propeller 101 are in
Angle (match somebody with somebody angle setting) φ and the blade string of a musical instrument 25 the distance between central point 25M and the rotary shaft AX of propeller 101 (radius position
Putting) R is different in the part 1 of conduit 2 and the part 2 of conduit 2 different from part 1 in rotary shaft AX circumference.
I.e., in the present embodiment, some difference of the conduit 2 with angle setting φ and radial location R in rotary shaft AX circumference
It is different.
In the present embodiment, being more than with angle setting φ for the upper end of conduit 2 being configured at directly over rotary shaft AX is configured at
The side end of conduit 2 of the positive sides of rotary shaft AX match somebody with somebody angle setting φ.In the present embodiment, the shape of conduit 2 is set to, in week
Tapered into upwards with angle setting φ from the upper end (being set to 0deg) of conduit 2 to side end (being set to 90deg).
Also, the radial location R for the upper end of conduit 2 in the present embodiment, being configured at directly over rotary shaft AX is less than
It is configured at the radial location R of the side end of conduit 2 of the positive sides of rotary shaft AX.In the present embodiment, the shape of conduit 2 is set
For radial location R becomes larger from the upper end (being set to 0deg) of conduit 2 to side end (being set to 90deg) in the circumferential.
More specifically, in the circumferential, in 0deg, into 10deg, radial location R is in minimum value, in 10deg into 90deg
Radial location R becomes larger.In addition, when the diameter (external diameter) of propeller 101 is set into Rp, radial location R minimum value can be with
For below 0.7Rp.Radial location R maximum is set as below Rp.Can be by radial location R minimum value and the difference of maximum
It is set as below 0.5Rp.
In the circumferential, it is in maximum with angle setting φ into 10deg in 0deg, matches somebody with somebody angle setting φ gradually into 90deg in 10deg
Diminish.Minimum value with angle setting φ is set as more than 0 degree.
Thus, as shown in Figures 2 and 3, there is convex portion 22T in the inner surface of rearward end 22 of conduit 2, can obtain in the horizontal
Longer semicircular conduit 2.
The flowing velocity component of stern 100B (front of propeller 101) fluid (seawater), which is not only present in, axially also to be deposited
It is circumferential and radial direction.Flow field via the fluid of the inflow catheter 2 of inflow entrance 4 is uneven.Therefore, conduit 2 with angle setting φ and
The thrust that radial location R is had influence on produced by conduit 2.If being clear that conduit in the circumferential according to the result of study of the present inventor
2 with angle setting φ and radial location R it is constant, then can not fully obtain the thrust of conduit 2.
Then, in the present embodiment, the shape of conduit 2 is set as with angle setting φ and radial location R in rotary shaft AX
Circumference on conduit 2 some it is respectively different.Thereby, it is possible to maximize the thrust produced by conduit 2, it can obtain
Bigger energy-saving effect.
For example, having position (position of upper end) angle of current in following tendency, circumference in 0deg in full formed ship
It is larger, it is smaller in 90deg position (position of side end) angle of current.Also, have in following tendency, circumference in 0deg position
Put that the smaller flow velocitys of radial location R are bigger, in the bigger tendency of the 90deg position bigger flow velocitys of radial location R.
Therefore, angle setting φ is matched somebody with somebody more than the side end of conduit 2 by the angle setting φ that matches somebody with somebody for the upper end for making conduit 2, makes conduit 2
Upper end radial location R be less than conduit 2 side end radial location R, and can increase using following formula (1), formula
(2) thrust for the conduit 2 and in formula (3) evaluated.
L=1/2Cl (α) ρ SV2 ... (1)
D=1/2Cd (α) ρ SV2 ... (2)
F=Lsin θ-Dcos θ ... (3)
L：Lift
D：Resistance
F：Thrust (the front component made a concerted effort)
Cl：Lift coefficient (is based on Blade Properties.Depending on angle of attack)
Cd：Resistance coefficient (is based on Blade Properties.Depending on angle of attack)
ρ：Specific gravity
S：Catheter surface product (is based on radial direction position)
V：Flow velocity (axially with the synthesis flow velocity of radial direction)
θ：The angle of current (axial flow velocity and radial direction flow velocity institute angle degree)
Then, strut 3 is illustrated.As shown in Figure 1, Figure 2 and shown in Fig. 3 etc., strut 3 has leading section 31 and rearward end
32.Leading section 31 is configured at the front of rearward end 32.Rearward end 32 is opposed with propeller 101.
The stern tube 104 of the connecting conduit 2 of strut 3 and hull 100.Strut 3 has：Inner end 38, it is outer with stern tube 104
Surface is connected；And outer end 39, it is connected with the inner surface of conduit 2.Outer end 39 is the rotary shaft AX's relative to propeller 101
The outside of inner end 38 is configured in radiation direction.
Pipe guide 1 has a pair of struts 3.In the following description, one of strut 3 is properly termed as the 1st strut
301, another strut 3 is properly termed as the 2nd strut 302.1st strut 301 is configured at rotary shaft AX side in the horizontal.
2nd strut 302 is configured at rotary shaft AX opposite side in the horizontal.In the present embodiment, the 1st strut 301 and the 2nd strut
302 actually configure in the way of with plane-parallel.
Fig. 6 shows the sectional view of the strut 3 of present embodiment.As shown in fig. 6, the section of strut 3 is foliaceous.Strut 3
Foliaceous have the profile of lift effectively obtained by the interaction with fluid.Foliaceous (the section shape of strut 3
Shape) it is from the exterior region shape that edge is tapered backward.In the present embodiment, the foliated upper surface of strut 3 is in straight
Wire or convexity are less than the convex or concavity of inner surface.The foliated lower surface of strut 3 is in the curved protruded to downside.
In the foliaceous of strut 3, to foliated leading edge 33, the trailing edge 34 of foliated rearmost end, link leading edge 33 foremost
With the blade string of a musical instrument 35 of trailing edge 34 and center line 36 obtained from linking the central point of foliated upper and lower surface successively
Set.Leading section 31 includes foliated leading edge 33.Rearward end 32 includes foliaceous trailing edge 34.
In the present embodiment, strut 3 is configured in the inclined mode of the foliated blade string of a musical instrument 35.In present embodiment
In, strut 3 is so that the leading edge 33 of the foliated blade string of a musical instrument 35 is configured at the mode more closer to the top than trailing edge 34 and tilts.
Strut 3 can be configured in the way of the blade string of a musical instrument 35 is inclined relative to horizontal.Strut 3 can also be with chord of blade
Line 35 is configured relative to the mode of water line tilt.Water line include plan water line and designed draft line it is at least one kind of.Support
Bar 3 can be to include rotary shaft AX decision face, and leading edge 33 is tilted than mode that trailing edge 34 is configured further from decision face.
Decision face including rotary shaft AX is horizontal plane sometimes, sometimes the inclined plane to be inclined relative to horizontal.
In the present embodiment, leading edge 33 is configured at the top of trailing edge 34, and strut 3 is in the blade string of a musical instrument 35 with horizontal plane
Angle γ turn into more than 0 degree and less than 10 degree of mode and configure.
Ship is when (sea) advances on the water, at least a portion of water via the leading edge 33 of strut 3 along strut 3 in
Surface flow.According to Bernoulli's theorem, the lower surface of the strut 3 of leading section 31 turns into negative pressure, and produces lift.Pass through lift
The thrust of axial component (thrust produced by strut 3) and propeller 101, and produce larger thrust.Also, due to passing through support
Thrust produced by bar 3 and be suppressed the output for the power source that propeller 101 rotates, therefore, it is possible to obtain energy-saving effect.
It is as described above, according to present embodiment, because conduit 2 is with angle setting φ and radial location R in the circumferential more
Individual part is formed for different modes, therefore, it is possible to obtain energy-saving effect.
Also, in the present embodiment, because the section of strut 3 is foliaceous, therefore not only conduit 2, strut 3 is also produced
Thrust.Thereby, it is possible to obtain higher energy-saving effect.
Also, in the present embodiment, the outer end 39 of strut 3 is connected with the conduit 2 of semicircular.Thereby, it is possible to suppress
Blade tip is damaged.The outer end 39 of strut 3 is when being connected, in the end of strut 3 and the end of conduit 2 extremely with conduit 2
Few one produces vortex, as a result, being possible to that energy-saving effect can not be given full play to.In the present embodiment, due to strut 3 and leading
Pipe 2 is connected, therefore the generation of vortex is inhibited.Thereby, it is possible to obtain higher energy-saving effect.
The embodiment ＞ of ＜ the 2nd
2nd embodiment is illustrated.In the following description, pair constituting portion identical or equal with above-mentioned embodiment
Point additional identical symbol, and it is simple or the description thereof will be omitted.
Fig. 7 represents one of the pipe guide 1B of present embodiment strut 3B.Strut 3B section is foliaceous.At this
In embodiment, strut 3B is foliated upper surface shape and the symmetrical symmetrical blading of underside shape.In addition, strut 3B
Can also be foliated upper surface shape and underside shape is asymmetrical asymmetric blade.
Strut 3B has：Inner end 38, is connected with hull 100；And outer end 39, in the rotation relative to propeller 100
The outside of inner end 38 is configured in axle AX radiation direction, and is connected with conduit 2.
In the present embodiment, the strut 3B foliated blade string of a musical instrument 35 and horizontal plane institute angle degree γ are in radiation side
Upward strut 3B some is respectively different.In the present embodiment, the strut 3B of inner end 38 foliated blade
The angle γ of the string of a musical instrument 35 is different with the angle γ of the strut 3B of the outer end 39 foliated blade string of a musical instrument 35.Strut 3B is with its angle
Degree γ is reversed from the mode that the outside end 39 of inner end 38 gradually changes.
In the present embodiment, the blade string of a musical instrument 35 of strut 3B inner end 38 is configured at than rear with foliated leading edge 33
The mode closer to the top of edge 34 and tilt, the blade string of a musical instrument 39 of strut 3B outer end 39 is configured at ratio with foliated leading edge 33
The mode more on the lower of trailing edge 34 and tilt.
The flow field of conduit 2 and the fluid of strut 3B peripheries is in the radiation direction relative to the rotary shaft AX of propeller 101
It is different.For example, the inner side in radiation direction, fluid (seawater) is possible to flow down, the outside in radiation direction, fluid
(seawater) is possible to flow down.Therefore, the thrust produced by strut 3B angle of inclination γ influence struts 3B.According to the present invention
The result of study of people is clear that the angle (strut 3B angle of inclination) for the blade string of a musical instrument 35 for making strut 3B in radiation direction
γ changes in radiation direction, the thrust thus, it is possible to further improve strut 3B.
Then, in the present embodiment, it is set as angle of inclination γ relative to rotary shaft AX's strut 3B shape
The some of strut 3B in radiation direction is respectively different.Thereby, it is possible to maximize the thrust produced by strut 3B, and energy
Access bigger energy-saving effect.
Therefore, by adjusting strut 3B angle of inclination γ, it can increase and utilize following formula (4), formula (5) and formula (6)
The strut 3B of evaluation thrust.
L=1/2Cl (α) ρ SV2 ... (4)
D=1/2Cd (α) ρ SV2 ... (5)
F=Lsin θ-Dcos θ ... (6)
L：Lift
D：Resistance
F：Thrust (the front component made a concerted effort)
Cl：Lift coefficient (is based on Blade Properties.Depending on angle of attack)
Cd：Resistance coefficient (is based on Blade Properties.Depending on angle of attack)
ρ：Specific gravity
S：Strut surfaces are accumulated
V：Flow velocity (direction of crosscutting strut and the synthesis flow velocity of main flow direction)
θ：The angle of current (the direction flow velocity and main flow direction flow velocity institute angle degree of crosscutting strut)
The embodiment ＞ of ＜ the 3rd
3rd embodiment is illustrated.In the following description, the composition part identical or equal with above-mentioned embodiment
Additional identical symbol, and it is simple or the description thereof will be omitted.
Fig. 8 represents one of the pipe guide 1C of present embodiment.In fig. 8, strut 3 includes being configured at propeller 101
Rotary shaft AX top the 1st strut 301 and the 2nd strut 302.In rotary shaft AX circumference, the support of the 1st strut the 301 and the 2nd
302 angle degree of bar are less than 90 degree.In the present embodiment, the outer end 39 being connected with conduit 2 is configured to be connected with hull 100
The top of the inner end 38 connect.In the present embodiment, energy-saving effect can also be obtained.
The embodiment ＞ of ＜ the 4th
4th embodiment is illustrated.In the following description, the composition part identical or equal with above-mentioned embodiment
Additional identical symbol, and it is simple or the description thereof will be omitted.
Fig. 9 represents one of the pipe guide 1D of present embodiment.As shown in figure 9, pipe guide 1D have conduit 2D and
Connecting conduit 2D and hull 100 at least one of strut 3D.Conduit 2D and strut 3D connecting portion surface includes curved surface.
I.e., in the present embodiment, it is not provided with corner in conduit 2D and strut 3D connecting portion.
According to present embodiment, vane end faces can be greatly reduced and be damaged.In the present embodiment produced by strut 3D
The thrust of thrust also produced by subsidiary conduit 2D.
Symbol description
1- pipe guides, 2- conduits, 3- struts, 4- inflow entrances, 5- flow exports, 21- leading sections, 22- rearward ends, 22T- is convex
Portion, 23- leading edges, 24- trailing edges, the 25- blade strings of a musical instrument, 31- leading sections, 32- rearward ends, 33- leading edges, 34- trailing edges, 35- chord of blades
Line, 38- inner ends, 39- outer ends, 100- hulls, 101- propellers, AX- rotary shafts.
Claims (8)
1. a kind of pipe guide, possesses：
Conduit, is configured at least the one of the rotary shaft periphery of the propeller in front of the propeller of stern for being arranged at hull
Part, and
Strut, connects at least a portion of the conduit and the hull,
The section of the conduit is foliaceous,
The center of the foliated blade string of a musical instrument and the line institute angle degree parallel with the rotary shaft and the blade string of a musical instrument
Point and the rotary shaft distance the part 1 of the conduit and in the circumference of the rotary shaft with the part 1 not
It is different in the part 2 of the same conduit,
At least a portion of the conduit is configured at the top of the rotary shaft,
The part 1 includes the upper end of the conduit,
The part 2 includes the side end of the conduit,
The angle of the part 1 is more than the angle of the part 2,
The distance of the part 1 is less than the distance of the part 2,
The conduit has：Leading section, determines inflow entrance；And rearward end, it is opposed with the propeller, and determine size and shape
The flow export different from the inflow entrance,
The flow export is less than the inflow entrance,
The upper end inner surface of the rearward end protrudes to the rotary shaft,
The upper end inner surface of the leading section does not protrude to the rotary shaft.
2. pipe guide according to claim 1, wherein,
The section of the strut is foliaceous.
3. pipe guide according to claim 2, wherein,
The strut is configured at the mode more closer to the top than trailing edge with the foliated blade string of a musical instrument leading edge and tilted.
4. pipe guide according to claim 2, wherein,
The strut has：Inner end, is connected with the hull；And outer end, in the rotary shaft relative to the propeller
The outside of the inner end is configured in radiation direction, and is connected with the conduit,
The foliated blade string of a musical instrument is with horizontal plane institute angle degree in the third portion of the strut and in the radiation direction
It is different in 4th part of the upper strut different from the third portion.
5. pipe guide according to claim 4, wherein,
The blade string of a musical instrument in the inner end of the strut is configured at more top than trailing edge with the foliated leading edge
Side mode and tilt,
The blade string of a musical instrument in the outer end of the strut is configured at than trailing edge more on the lower with the foliated leading edge
Side mode and tilt.
6. according to pipe guide according to any one of claims 1 to 5, wherein,
The strut includes being configured at the 1st strut and the 2nd strut above the rotary shaft of the propeller,
In the circumference of the rotary shaft, the 1st strut is less than 90 degree with the 2nd strut institute angle degree.
7. according to pipe guide according to any one of claims 1 to 5, wherein,
The conduit is configured above the rotary shaft of the propeller in the way of surrounding a part for the rotary shaft.
8. pipe guide according to claim 6, wherein,
The conduit is configured above the rotary shaft of the propeller in the way of surrounding a part for the rotary shaft.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013-273249 | 2013-12-27 | ||
| JP2013273249A JP6138680B2 (en) | 2013-12-27 | 2013-12-27 | Duct equipment |
| PCT/JP2014/083465 WO2015098665A1 (en) | 2013-12-27 | 2014-12-17 | Duct device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105764791A CN105764791A (en) | 2016-07-13 |
| CN105764791B true CN105764791B (en) | 2017-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480064617.8A Active CN105764791B (en) | 2013-12-27 | 2014-12-17 | Pipe guide |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6138680B2 (en) |
| KR (1) | KR101780910B1 (en) |
| CN (1) | CN105764791B (en) |
| WO (1) | WO2015098665A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3345824B1 (en) | 2015-08-31 | 2020-03-18 | National Institute of Maritime, Port and Aviation Technology | Ship and stern shape having stern duct |
| JP2018024368A (en) * | 2016-08-12 | 2018-02-15 | 三井造船株式会社 | Vessel |
| CN109606596A (en) * | 2018-11-29 | 2019-04-12 | 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） | Energy saving half guide wheel before a kind of paddle |
| CN115056951B (en) * | 2022-05-23 | 2024-03-22 | 中国船舶工业集团公司第七0八研究所 | Hyperbolic rectifying wing for ship |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4454161B2 (en) * | 2001-01-23 | 2010-04-21 | ユニバーサル造船株式会社 | Duct for improving ship propulsion efficiency |
| JP4079742B2 (en) * | 2002-10-10 | 2008-04-23 | ユニバーサル造船株式会社 | Duct bodies in ships |
| JP5132140B2 (en) | 2006-11-30 | 2013-01-30 | 株式会社アイ・エイチ・アイ マリンユナイテッド | Ship duct equipment |
| JP4939269B2 (en) * | 2007-03-28 | 2012-05-23 | 三井造船株式会社 | Stern horizontal duct and ship |
| JP4717857B2 (en) * | 2007-06-14 | 2011-07-06 | 住友重機械マリンエンジニアリング株式会社 | Ship duct and ship |
| DE112008004244T5 (en) * | 2008-12-24 | 2012-07-12 | Sumitomo Heavy Industries Marine & Engineering Co., Ltd. | TRANSFER FOR A SHIP AND SHIP |
| KR20110083998A (en) * | 2010-01-15 | 2011-07-21 | 대우조선해양 주식회사 | Duct for ship |
| JP2011178222A (en) * | 2010-02-26 | 2011-09-15 | Ihi Corp | Ship |
| KR101291178B1 (en) * | 2011-09-21 | 2013-07-31 | 삼성중공업 주식회사 | A ship having rotating duct |
| JP2013132924A (en) * | 2011-12-26 | 2013-07-08 | Mitsubishi Heavy Ind Ltd | Reaction fin, and vessel provided with the same |
| KR20130125628A (en) * | 2012-05-09 | 2013-11-19 | 에스티엑스조선해양 주식회사 | Appendage of fan shape duct for improving stern flow of ship |
| KR20120007854U (en) * | 2012-10-19 | 2012-11-14 | 대우조선해양 주식회사 | 3 install structure of asymmetry type propellor duct having 3 supporting points |
-
2013
- 2013-12-27 JP JP2013273249A patent/JP6138680B2/en active Active
-
2014
- 2014-12-17 WO PCT/JP2014/083465 patent/WO2015098665A1/en active Application Filing
- 2014-12-17 CN CN201480064617.8A patent/CN105764791B/en active Active
- 2014-12-17 KR KR1020167013903A patent/KR101780910B1/en active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| CN105764791A (en) | 2016-07-13 |
| JP2015127179A (en) | 2015-07-09 |
| JP6138680B2 (en) | 2017-05-31 |
| KR20160075729A (en) | 2016-06-29 |
| WO2015098665A1 (en) | 2015-07-02 |
| KR101780910B1 (en) | 2017-09-21 |
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Effective date of registration: 20181030 Address after: Kanagawa Patentee after: MITSUBISHI Shipbuilding Corporation Address before: Tokyo, Japan, Japan Patentee before: Mit-subishi Heavy Industries Ltd. |
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