CN103796915B - Marine propulsion and the ship including the device - Google Patents
Marine propulsion and the ship including the device Download PDFInfo
- Publication number
- CN103796915B CN103796915B CN201180072412.0A CN201180072412A CN103796915B CN 103796915 B CN103796915 B CN 103796915B CN 201180072412 A CN201180072412 A CN 201180072412A CN 103796915 B CN103796915 B CN 103796915B
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- China
- Prior art keywords
- drive shaft
- wheel hub
- front propeller
- rear screw
- fixed
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Classifications
-
- 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
- B63H5/10—Arrangements on vessels of propulsion elements directly acting on water of propellers of more than one propeller of coaxial type, e.g. of counter-rotative type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H21/00—Use of propulsion power plant or units on vessels
- B63H21/38—Apparatus or methods specially adapted for use on marine vessels, for handling power plant or unit liquids, e.g. lubricants, coolants, fuels or the like
- B63H21/386—Apparatus or methods specially adapted for use on marine vessels, for handling power plant or unit liquids, e.g. lubricants, coolants, fuels or the like for handling lubrication liquids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H23/00—Transmitting power from propulsion power plant to propulsive elements
- B63H23/02—Transmitting power from propulsion power plant to propulsive elements with mechanical gearing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H23/00—Transmitting power from propulsion power plant to propulsive elements
- B63H23/02—Transmitting power from propulsion power plant to propulsive elements with mechanical gearing
- B63H23/06—Transmitting power from propulsion power plant to propulsive elements with mechanical gearing for transmitting drive from a single propulsion power unit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H23/00—Transmitting power from propulsion power plant to propulsive elements
- B63H23/32—Other parts
- B63H23/36—Shaft tubes
-
- 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
- B63H5/10—Arrangements on vessels of propulsion elements directly acting on water of propellers of more than one propeller of coaxial type, e.g. of counter-rotative type
- B63H2005/106—Arrangements on vessels of propulsion elements directly acting on water of propellers of more than one propeller of coaxial type, e.g. of counter-rotative type with drive shafts of second or further propellers co-axially passing through hub of first propeller, e.g. counter-rotating tandem propellers with co-axial drive shafts
-
- 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
- B63H5/125—Arrangements on vessels of propulsion elements directly acting on water of propellers movably mounted with respect to hull, e.g. adjustable in direction, e.g. podded azimuthing thrusters
- B63H2005/1254—Podded azimuthing thrusters, i.e. podded thruster units arranged inboard for rotation about vertical axis
- B63H2005/1256—Podded azimuthing thrusters, i.e. podded thruster units arranged inboard for rotation about vertical axis with mechanical power transmission to propellers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H23/00—Transmitting power from propulsion power plant to propulsive elements
- B63H23/02—Transmitting power from propulsion power plant to propulsive elements with mechanical gearing
- B63H23/06—Transmitting power from propulsion power plant to propulsive elements with mechanical gearing for transmitting drive from a single propulsion power unit
- B63H2023/062—Transmitting power from propulsion power plant to propulsive elements with mechanical gearing for transmitting drive from a single propulsion power unit comprising means for simultaneously driving two or more main transmitting elements, e.g. drive shafts
- B63H2023/067—Transmitting power from propulsion power plant to propulsive elements with mechanical gearing for transmitting drive from a single propulsion power unit comprising means for simultaneously driving two or more main transmitting elements, e.g. drive shafts the elements being formed by two or more coaxial shafts, e.g. counter-rotating shafts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H23/00—Transmitting power from propulsion power plant to propulsive elements
- B63H23/32—Other parts
- B63H23/321—Bearings or seals specially adapted for propeller shafts
- B63H2023/323—Bearings for coaxial propeller shafts, e.g. for driving propellers of the counter-rotative type
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Gear Transmission (AREA)
Abstract
The present invention discloses a kind of marine propulsion and the ship including the device.The marine propulsion of the embodiment of the present invention includes：Rear screw shaft, is fixed in the first drive shaft；Front propeller, can be rotated to support in the first drive shaft in front of rear screw shaft；Inversion set, according to the rotation of the second drive shaft set through hull and along the direction vertical with the first drive shaft, makes front propeller and rear screw shaft mutually invert；And housing, it is arranged to surround the second drive shaft and inversion set.
Description
Technical field
The present invention relates to a kind of marine propulsion and the ship including the device, a kind of two spirals are related in more detail
Oar it is opposite each other rotation and produce the marine propulsion of propulsive force and the ship including the device.
Background technology
Ship possesses the propulsion plant for producing propulsive force in order to navigate by water.It is general that a propeller is used for propulsion plant.
But, possess the propulsion plant of a propeller due to the rotation function of current can not be used as to propulsive force, therefore kinetic energy loss
It is larger.
Dual reversal-rotating type propulsion plant（CRP；Counter Rotating Propeller）It is by the rotation of this loss
Kinetic energy reclaims the device as propulsive force.Dual reversal-rotating type propulsion plant be by two propellers being arranged on same axis that
Propulsive force is produced while this phase despining.Rotation side of the rear screw shaft relative to front propeller of dual reversal-rotating type propulsion plant
Reverse rotation, propulsive force is turned into so as to which the rotation function of the fluid based on front propeller is reclaimed.Therefore, with possessing one
The propulsion plant of individual propeller is compared, and dual reversal-rotating type propulsion plant can play higher propulsive performance.
Dual reversal-rotating type propulsion plant possesses the interior axle being connected with the engine of hull interior, is incorporated into the combination of interior axle rearward end
Rear screw shaft, be rotationally arranged at the hollow outer shaft of interior axle outer surface, and be incorporated into the front propeller of outer shaft rearward end.
Also, dual reversal-rotating type propulsion plant includes being arranged at hull interior to invert the rotation of interior axle and pass to outer shaft
Inversion set.Inversion set is usually using epicyclic gearing.
But, when this dual reversal-rotating type propulsion plant is installed on into ship, set the center alignment of interior axle and outer shaft
The operation put is extremely difficult.Also, in order to reduce the friction between interior axle and outer shaft, need to increase needs regions of lubrication.Not only
In this way, sheared due to interior axle and outer shaft rotation opposite each other on the lubricating film being formed between interior axle and outer shaft, because
This is difficult to effective lubrication.
On the other hand, in the case of existing orientation propulsion plant, propeller can 360 degree revolution so that ship can
Freely push ahead, promote or rotate backward.For example, orientation propulsion plant uses azimuth thruster（Azimuth
thruster）, A Qi bauds（Azipod）Deng.Moreover, orientation propulsion plant has a variety of advantages such as maneuvering performance, so not only
For drill ship and ice breaker, but also for including shuttle tanker, Floating Production Storage easing gear, the freighter of arctic navigation
On a variety of ships including passenger boat etc..
But, when the propulsion mode that above-mentioned dual reversal-rotating type propulsion plant is applicable on existing orientation propulsion plant
In the case of, it may occur however that the same problem that existing dual reversal-rotating type propulsion plant has, so it is a kind of more to propose offer
The necessity of effective dual reversal-rotating type propulsion plant.
The content of the invention
（One）The technical problem to be solved
The embodiment of the present invention provides a kind of ship for the mutual reversion that two propellers can be also realized even if no outer shaft
Propulsion plant and the ship including the device.
And being applicable there is provided one kind in orientation propulsion mode can also make two propellers mutually reciprocal even if no outer shaft
The marine propulsion of the propulsion mode turned and the ship including the device.
(two）Technical scheme
According to a form of the invention, it is possible to provide a kind of marine propulsion, it includes：Rear screw shaft, is fixed on the first drive
On moving axis；Front propeller, can be rotated to support in first drive shaft in front of the rear screw shaft；Inversion set, root
According to the rotation of the second drive shaft set through hull and along the direction vertical with first drive shaft, make the front propeller
Mutually inverted with the rear screw shaft；And housing, it is arranged to surround second drive shaft and the inversion set.
The inversion set may include：Bevel gear is driven, is fixed in second drive shaft；First driven bevel pinion,
It is fixed on the wheel hub of the front propeller；And second driven bevel pinion, it is fixed in first drive shaft, it is described to reverse dress
First driven bevel pinion and second driven bevel pinion can be passed to by the rotation of the driving bevel gear by putting, to make
State front propeller and the rear screw shaft is mutually inverted.
The inversion set can further comprise middle bevel gear, and the middle bevel gear is with engagement between described
Between one driven bevel pinion and second driven bevel pinion.
The inversion set can further comprise middle angular wheel shaft, and the middle angular wheel shaft drives along with described first
The direction that axle intersects is formed, and supports the middle bevel gear.
, can be in the middle bevel gear with supporting the middle bevel gear for rotating smoothly for the middle bevel gear
Bearing is set between the middle angular wheel shaft.
The marine propulsion can further comprise：The bushing of cylindrical shape first, in order to the front propeller wheel hub with
Before sealing between the back part for the housing for surrounding second drive shaft, the wheel hub for being arranged at the front propeller
Portion；And the seal member of cylindrical shape first, the back part of the housing, contacted with the outer surface with first bushing.
The marine propulsion can further comprise：The bushing of cylindrical shape second, in order to the rear screw shaft wheel hub with
Sealing between the wheel hub of the front propeller, is arranged at the wheel hub front face of the rear screw shaft；And cylindrical shape second is close
Part is sealed, the back part of the front propeller is arranged at, is contacted with the outer surface with second bushing.
According to another form of the present invention, it is possible to provide a kind of marine propulsion, it is rotatably arranged relative to hull, its
Including：First drive shaft；Rear screw shaft, is fixed in first drive shaft；Front propeller, can be rotated to support on it is described after
In first drive shaft in front of propeller；Second drive shaft, extends from hull and along vertical with first drive shaft
Direction is set；And inversion set, the revolving force of second drive shaft is reversibly passed into the front propeller and institute
State the first drive shaft.
The marine propulsion can further comprise housing, and the housing is arranged to surround second drive shaft and institute
Inversion set is stated, and rotatably supports first drive shaft.
The marine propulsion can further comprise：The bushing of cylindrical shape first, in order to the front propeller wheel hub with
Before sealing between the back part for the housing for surrounding second drive shaft, the wheel hub for being arranged at the front propeller
Portion；The seal member of cylindrical shape first, is arranged at the back part of the housing, is contacted with the outer surface with first bushing；Circle
The bushing of tubular second, for the sealing between the wheel hub of the rear screw shaft and the wheel hub of the front propeller, is arranged at described
The wheel hub front face of rear screw shaft；And the seal member of cylindrical shape second, be arranged at the back part of the front propeller, with institute
State the outer surface contact of the second bushing.
The inversion set may include：Bevel gear is driven, is fixed in second drive shaft；First driven bevel pinion,
It is fixed on the wheel hub of the front propeller；And second driven bevel pinion, it is fixed in first drive shaft, it is described to reverse dress
First driven bevel pinion and second driven bevel pinion can be passed to by the rotation of the driving bevel gear by putting, to make
State front propeller and the rear screw shaft is mutually inverted.
First driven bevel pinion can be directly connected to the front propeller.
According to another form of the invention, it is possible to provide a kind of ship for possessing marine propulsion.
（Three）Beneficial effect
The marine propulsion of the embodiment of the present invention and ship including the device can also realize two even if no outer shaft
The mutual reversion of individual propeller.
In addition, being applicable the propulsion that even if without outer shaft two propellers can also mutually invert in orientation propulsion mode
Mode, so as to improve propulsive efficiency.
Further, since without using outer shaft, therefore, it is possible to make after being easily configured the operation and setting of drive shaft in axle
The operation of heart alignment.
Further, since without using outer shaft, therefore it is compared with the past, can reduce needs regions of lubrication, and being capable of minimized companion
With the problems of lubrication.
Brief description of the drawings
Fig. 1 is that the propulsion plant for representing the embodiment of the present invention is applied to the sectional view of the state of ship.
Fig. 2 is the sectional view of the propulsion plant of the embodiment of the present invention.
Fig. 3 is the sectional view of the first sealing device of the propulsion plant of the embodiment of the present invention.
Fig. 4 is the exploded perspective view of the first sealing device of the propulsion plant of the embodiment of the present invention.
Fig. 5 is the sectional view of the second sealing device of the propulsion plant of the embodiment of the present invention.
Embodiment
Below, the embodiment of the present invention is described in detail referring to the drawings.
As shown in figure 1, the propulsion plant based on the embodiment of the present invention is by two propellers 20,30 rotations opposite each other
The dual reversal-rotating type propulsion plant of propulsive force is produced simultaneously.Here, propulsion plant is according to the stern 3 through hull 1 and along with the
The rotation for the second drive shaft 10a that the vertical direction of one drive shaft 10 is set, makes the mutually reversion of two propellers 20,30.Now,
Possesses the second drive shaft 10a of rotation driving source 140 in hull 1（Motor, generator, engine etc.）.This propulsion plant can be by
Steering gear 150 possesses in hull 1, so as to all directions（360 degree）Change is applied by front propeller 30 and rear screw shaft 20
To the propulsive force of hull 1.Also, propulsion plant can improve propulsion effect using being arranged to surround the conduit 40 of propeller 20,30
Rate.Conduit 40 can have fluid dynamic streamline-shaped.
As shown in Figures 1 and 2, the propulsion plant of the embodiment of the present invention includes：Rear screw shaft 20, is fixed on the first drive shaft
On 10；In front propeller 30, the first drive shaft 10 that can be rotated to support on the front of rear screw shaft 20；Inversion set 70, according to
Through the rotation of the stern 3 and the second drive shaft 10a set along the direction vertical with the first drive shaft 10 of hull 1, make preceding spiral shell
Revolve oar 30 and rear screw shaft 20 is mutually inverted；And housing 130, it is arranged to surround the second drive shaft 10a and inversion set 70.
First drive shaft 10 is as shown in Fig. 2 rotating smoothly for the first drive shaft 10, is being supported on the front of housing 130
The leading section of the first drive shaft 10 set bearing 139.Also, in order to be orderly arranged outside each inversion set 70, front propeller at it
30th, rear screw shaft 20, the outer surface of the first drive shaft 10 is configured to multistage shape.Setting the part of inversion set 70, tool is set
There is the flange part 11 in first step portion 12, set external diameter to be less than first at the rear of flange part 11 to install front propeller 30
The second step portion 13 of stage portion 12.Also, in order to rear screw shaft 20 is installed and second step portion 13 rear with more backwards
The form formation tapered portion 14 that square external diameter more reduces.Flange part 11 can be wholely set with the first drive shaft 10, or can be in independence
After manufacture, set in the way of being pressed into and being fixed on the outer surface of the first drive shaft 10.
Rear screw shaft 20 includes being fixed on the wheel hub 21 of the afterbody of the first drive shaft 10 and is arranged at the outer surface of wheel hub 21
Multiple blades 22.The axle combined hole 23 for being formed at the central part of wheel hub 21 presses the outer surface of tapered portion 14 of the first drive shaft 10,
So as to which rear screw shaft 20 is fixed in the first drive shaft 10.Also, fixing nut 24 is anchored on the rearward end of the first drive shaft 10,
So as to more be firmly secured in the first drive shaft 10.For this combination, the axle combined hole 23 of wheel hub 21 can be set to and first
The corresponding shape in the outer surface of tapered portion 14 of drive shaft 10.In Fig. 2, symbol 25 is mounted on the wheel hub 21 of rear screw shaft, with
Cover the propeller cowling of surface and the rear end of the first drive shaft 10 after the wheel hub 21 of rear screw shaft.
Front propeller 30 is rotationally arranged at the first driving for separating locations at predetermined forwards from rear screw shaft 20
The outer surface of axle 10.Front propeller 30 includes can be rotated to support on the wheel hub 31 of the outer surface of the first drive shaft 10 and is arranged at wheel
Multiple blades 32 of the outer surface of hub 31.This front propeller 30 and the phase despining of rear screw shaft 20, so blade angle and rear spiral shell
The blade angle for revolving oar 20 is opposite.
The center portion thereof of wheel hub 31 of front propeller 30 is rotatively supported by journal bearing 51, and its both sides passes through respectively
Forward thrust bearing 52 and back pressure bearing 53 are rotatively supported.
The inner ring of forward thrust bearing 52 is stuck in the edge of second step portion 13 of the first drive shaft 10 and is supported by, outer ring supporting
In the fore bearing support 33 of wheel hub 31.The inner ring of back pressure bearing 53 is by being installed on the supporting of the outer surface of the first drive shaft 10
Ring 60 is supported in order to avoid by axial push, outer ring is supported on the rear bearing support 34 of wheel hub 31.Now, the supporting of journal bearing 51 edge
The radial load for the front propeller 30 that the radial direction of first drive shaft 10 works, forward thrust bearing 52 and back pressure bearing 53 are supported
Respectively along the forward and backward thrust loading for acting axially on the first drive shaft 10.Especially forward thrust bearing 52 supporting ship advance when from
The thrust load that forward side is acted on of front propeller 30, from front propeller 30 to stern when the supporting ship of back pressure bearing 53 is retreated
The thrust load of side effect.
Can be on the setting fore bearing support 33 of the wheel hub 31 of front propeller 30, the position of rear bearing support 34 respectively
Strengthening part 41,42 is set.By setting rib respectively on the position for setting forward thrust bearing 52 and back pressure bearing 53
Part 41,42, can increase the rigidity of wheel hub 31.The steel that this strengthening part 41,42 can be more than wheel hub 31 with rigidity are set.It is logical
Same way is crossed, strengthening part can also be set in the part contacted with support ring 60 on the preceding surface of wheel hub 21 of rear screw shaft 20
43。
Here, can be arranged at by front propeller 30 and back pressure bearing 53 after the first drive shaft 10, to pass through press-in
The wheel hub 21 of rear screw shaft 20 is incorporated into the state of the first drive shaft 10 by mode, in wheel hub 21 and the back pressure axle of rear screw shaft
Support ring 60 is set between holding 53.The set-up mode of this support ring 60 allows for problems with：Be tod by press mode
In the case that rear screw shaft 20 is arranged at the first drive shaft 10, because environment can produce the combination error of rear screw shaft and be difficult to standard
Really maintain the interval between back pressure bearing 53 and the wheel hub 21 of rear screw shaft.Therefore, formerly surveyed after assembling rear screw shaft 20
Determine the interval between back pressure bearing 53 and the wheel hub 21 of rear screw shaft, manufacture meets the support ring 60 at the interval to be installed on the
In one drive shaft 10, so as to realize accurate combination.
As shown in Fig. 2 inversion set 70 is according to the stern 3 through hull 1 and along the direction vertical with the first drive shaft 10
The the second drive shaft 10a set rotation, makes front propeller 30 and rear screw shaft 20 mutually invert.Now, for the second driving
Axle 10a's rotates smoothly, and can set bearing 138 between the second drive shaft 10a of the second drive shaft 10a and encirclement housing 130.
This inversion set 70 includes：Bevel gear 73 is driven, is fixed on the second drive shaft 10a；First driven bevel pinion
71, it is fixed on the wheel hub 31 of front propeller；And second driven bevel pinion 72, it is fixed in the first drive shaft 10.Inversion set
The rotation for driving bevel gear 73 is passed to the first driven bevel pinion 71 and the second driven bevel pinion 72 by 70, to make front propeller 30
Mutually inverted with rear screw shaft 20.
Here, being fixed on the driving umbrella tooth on the second drive shaft 10a formed along the direction vertical with the first drive shaft 10
Wheel 73 is respectively with engagement between the first driven bevel pinion 71 and the second driven bevel pinion 72.
Moreover, the state that the first driven bevel pinion 71 is contacted with surface thereafter with the wheel hub 31 of front propeller is multiple by fastening
Fixing bolt 71a, so as to be fixed on wheel hub 31.Also, first its inner-diameter portion of driven bevel pinion 71 and the first drive shaft 10
Outer surface separate, in order to avoid rub when rotated.Fig. 2 shows that the first driven bevel pinion 71 passes through fixing bolt 71a's
The mode for fastening and being combined, but the also solderable wheel hub 31 in front propeller of the first driven bevel pinion 71, or with preceding spiral
The wheel hub 31 of oar is wholely set.
In addition, being fixed on the form opposed with the first driven bevel pinion 71 on the wheel hub 31 for being fixed on front propeller
The second driven bevel pinion 72 in one drive shaft 10 is more by fastening with the state in the first step portion 12 for being supported on flange part 11
Individual fixing bolt 72a, so as to be fixed on flange part 11.
As shown in Fig. 2 inversion set 70 is included with engagement between the first driven bevel pinion 71 and the second driven umbrella tooth
Middle bevel gear 74 between wheel 72.Moreover, inversion set 70 includes being formed along the direction intersected with the first drive shaft 10, and prop up
Hold the middle angular wheel shaft 75 of middle bevel gear 74.For rotating smoothly for middle bevel gear 74, can middle bevel gear 74 with
Bearing 74a is set in the middle of supporting between the middle angular wheel shaft 75 of bevel gear 74.
As described above, inversion set 70 is used makes front propeller 30 and the phase of rear screw shaft 20 by multiple bevel gears 71~74
The mode mutually inverted, so its volume can be reduced compared with existing planetary gear type inversion set.Especially in the present embodiment
In, when setting inversion set 70, the rear surface of the first driven bevel pinion 71 and the preceding surface pair of wheel hub 31 of front propeller can be made
Put, and make the first driven bevel pinion 71 consistent with the pivot of wheel hub 31, therefore the first driven bevel pinion can be directly connected to
71 with front propeller 30.Therefore, it is different from the past, it can also impart power to front propeller 30 even if without using outer shaft.
Also, due to no outer shaft, therefore, it is possible to reduce the friction reason of the first drive shaft 10 than ever, so with it is conventional
Regions of lubrication is needed compared to that can reduce.Moreover, due to no outer shaft, therefore the first drive shaft can also be easily configured
By the operation of axle center alignment after 10 operation and setting.
Common planetary gear type inversion set includes the sun gear for being arranged at drive shaft, is arranged on the outside of sun gear
Planetary gear, and be arranged at the columnar internal gear on the outside of planetary gear, therefore its volume is relatively large.Also, OK
The internal gear for being configured at outermost position of star gear type inversion set need to be rotated, therefore further contemplate the then body of the shell on the outside of it
Product can only become very large.In addition, in order to impart power to front propeller from cylindrical shape internal gear, need to use equivalent to existing
The quill shaft taken out outside.As a result it is difficult to as in this embodiment, volume be reduced while simplifying structure.
On the other hand, as shown in Fig. 2 the propulsion plant of the present embodiment possesses：First sealing device 90, seal casinghousing 130
Back part and front propeller wheel hub 31 between prevent seawater or lake water and the impurity from entering；And second sealing device 110,
Sealed with identical purpose between the wheel hub 31 of front propeller and the wheel hub 21 of rear screw shaft.
As shown in figure 3, first sealing device 90 includes：The first bushing of cylindrical shape 91, is arranged at the wheel hub 31 of front propeller
Preceding surface；The first seal member of cylindrical shape 92, is covered the outer surface of the first bushing 91, is connect with the outer surface with the first bushing 91
Touch, and its one end is fixed on the back part of housing 130.
First seal member 92 possesses：Multiple pad 93a, 93b, 93c, the phase on the inner surface opposed with the first bushing 91
Mutually it is spaced apart, and is contacted with the outer surface of the first bushing 91；And stream 95, between these pads 93a, 93b, 93c
Groove is supplied for sealed fluid.The stream 95 of first seal member 92 can be by connecting stream 96 and being arranged at the second of Fig. 2
Lubricating oil supply line 137 between drive shaft 10a and the housing 130 for surrounding the second drive shaft 10a is connected, so as to supply
Lubricating oil with predetermined pressure.Lubricating oil with pressure be supplied to the groove between each pad 93a, 93b, 93c and by each lining
Pad 93a, 93b, 93c is pressurizeed to the side of the first bushing 91, is adjacent to it, so as to prevent seawater and impurity from entering.
Also, as shown in figure 4, the first bushing 91 can be divided into semicircular first component 91a and second component by both sides
91b is constituted, and is installed with that can be set in the first drive shaft 10 after front propeller 30.Moreover, in first component 91a and
Second component 91b mutual partitioning portion 91c can intervene pad 91d, to realize sealing when they are bonded to each other.
Also, the free end side of the partitioning portion 91c in first component 91a sets first protruded from a laterally opposite side
Linking part 91e, the second linking part 91f that correspondence is combined is set on the second component 91b of its opposite side, spiral shell is fastened and fixed here
Bolt 91g, so that firm combination is realized in both sides each other.Fastened on the flange part 91h being fixed on the wheel hub 31 of front propeller
Multiple fixing bolt 91i, so as to be firmly secured on wheel hub 31.
First seal member 92, which can also be used, will be manufactured into semicircular multiple ring 92a, 92b, 92c from the first bushing 91
The fixed mode of length direction lamination of the outside along the first drive shaft 10.In this case, multiple ring 92a, 92b, 92c can pass through
Bolt is fastened or welding is interconnected.
As shown in figure 5, the second sealing device 110 includes：The second bushing of cylindrical shape 111, is arranged at the wheel hub of rear screw shaft
21 preceding surfaces；And the second seal member of cylindrical shape 112, covering the second bushing 111 outer surface, with outer with the second bushing 111
Surface is contacted, and its one end is fixed on surface after the wheel hub 31 of front propeller.In the same manner as the first seal member 92, the second sealing
Part 112 also possesses multiple pad 113a, 113b, the 113c being arranged on inner surface and supplied to the groove between these pads
The stream 115 of fluid.
The stream 115 of second seal member 112 can be connected by connecting stream 124 with lubricating oil supply line 137, described
Lubricating oil supply line is arranged at the second drive shaft 10a and surrounded between the second drive shaft 10a housing 130.Therefore, can be
The inner space 122 of connection lubricating oil supply line 137 and the second bushing 111 is formed between one drive shaft 10 and support ring 60
Radially the first connection stream 121, forms the second bushing 111 of connection after the wheel hub 31 of front propeller on the strengthening part 42 on surface
Inner space 122 be connected stream 123 with the second of the stream 115 of the second seal member 112.From the center of the first drive shaft 10
Portion supplies for sealed lubricating oil to pressurize to pad 113a, 113b, 113c to the side of the second seal member 112, so that
Sealing can be realized.
In the same manner as the first bushing 91 and the first seal member 92 of first sealing device 90, the second bushing 111 and second
Seal member 112 can also use what is be manufactured into semicircle respectively and combined after rear screw shaft 20 and support ring 60 is set
Mode.
Then, the action to the propulsion plant of the present embodiment is illustrated.
In propulsion plant, when the second drive shaft 10a is rotated by the action of driving source 140, the second driving is fixed on
Driving bevel gear 73 on axle 10a is rotated together with along with the second drive shaft 10a identicals direction.Meanwhile, driving bevel gear 73
Rotate the first driven bevel pinion 71 being delivered on the wheel hub 31 for being fixed on front propeller and be fixed in the first drive shaft 10
Second driven bevel pinion 72.Now, the rotation of the first driven bevel pinion 71 and the second driven bevel pinion 72, front propeller 30 are passed through
With the rotation opposite each other of rear screw shaft 20.
Because the front propeller 30 of rotation opposite each other and the blade angle of rear screw shaft 20 are mutually on the contrary, therefore along same side
To generation propelling current of equidirectional.That is, propelling current of equidirectional is rearward produced when ship advances, what is reversely rotated respectively when ship is retreated is same
When produce propelling current of equidirectional forwards.The propelling current of equidirectional produced during on advancing, will have passed through the rotation of the fluid of front propeller 30
Kinetic energy is reclaimed while 20 counter-rotating of rear screw shaft as propulsive force, so propulsive performance is improved.Also phase during retrogressing
Together.Moreover, the side for the propulsive force that hull 1 is applied to by front propeller 30 and rear screw shaft 20 can be changed using steering gear 150
To change the travel direction of ship.
On the other hand, front propeller 30 rearward produces propelling current of equidirectional when advancing, so by the anti-work suitable with this
Firmly.The power is delivered to the first drive shaft 10 by forward thrust bearing 52 and worked as propulsive force.Rear screw shaft 20 is preceding
Also propelling current of equidirectional is rearward produced when entering, so also by reaction force, the power also passes to the first drive shaft being directly connected to
10 and worked as propulsive force.
When ship is retreated, the propulsive force of front propeller 30（Reaction force）First drive is delivered to by back pressure bearing 53
Moving axis 10, the propulsive force of rear screw shaft 20 also passes to the first drive shaft 10 being directly connected to.As a result, the propulsion dress of the present embodiment
In putting, the propulsive force produced when ship advances and when retreating by the action of front propeller 30 and rear screw shaft 20 is led to
Cross the first drive shaft 10 and be delivered to hull 1.
Claims (6)
1. a kind of marine propulsion, it is characterised in that including：
Rear screw shaft, is fixed in the first drive shaft；
Front propeller, can be rotated to support in first drive shaft in front of the rear screw shaft；
Inversion set, according to the rotation of the second drive shaft set through hull and along the direction vertical with first drive shaft
Turn, the front propeller and the rear screw shaft is mutually inverted；And
Housing, is arranged to surround second drive shaft and the inversion set,
Wherein, the inversion set includes：
Bevel gear is driven, is fixed in second drive shaft；
First driven bevel pinion, is fixed on the wheel hub of the front propeller；
Second driven bevel pinion, is fixed in first drive shaft,
Middle bevel gear, can be rotatably set in and be fixed on the axle of the enclosure interior, and with engagement between described
Between one driven bevel pinion and second driven bevel pinion, so that first driven bevel pinion and the second driven umbrella
Gear holding certain intervals, middle bevel gear described in the e axle supporting,
For rotating smoothly for the middle bevel gear, in the middle bevel gear and the axle for supporting the middle bevel gear
Between bearing is set.
2. marine propulsion according to claim 1, it is characterised in that further comprise：The bushing of cylindrical shape first, be
The wheel hub of the front propeller and surround second drive shaft the housing back part between sealing, be arranged at institute
State the wheel hub front face of front propeller；And the seal member of cylindrical shape first, be arranged at the back part of the housing, with it is described
The outer surface contact of first bushing.
3. marine propulsion according to claim 2, it is characterised in that further comprise：The bushing of cylindrical shape second, be
Before sealing between the wheel hub of the wheel hub of the rear screw shaft and the front propeller, the wheel hub for being arranged at the rear screw shaft
Face；And the seal member of cylindrical shape second, the back part of the front propeller is arranged at, with the appearance with second bushing
Face is contacted.
4. a kind of marine propulsion, is rotatably arranged relative to hull, it is characterised in that including：
First drive shaft；
Rear screw shaft, is fixed in first drive shaft；
Front propeller, can be rotated to support in first drive shaft in front of the rear screw shaft；
Second drive shaft, extends from hull and is set along the direction vertical with first drive shaft；And
Inversion set, the front propeller and first driving are reversibly passed to by the revolving force of second drive shaft
Axle；
Housing, it is arranged to surround second drive shaft and the inversion set, and rotatably supports first driving
Axle,
Wherein, the inversion set includes：
Bevel gear is driven, is fixed in second drive shaft；
First driven bevel pinion, is fixed on the wheel hub of the front propeller；
Second driven bevel pinion, is fixed in first drive shaft,
Middle bevel gear, can be rotatably set in and be fixed on the axle of the enclosure interior, and with engagement between described
Between one driven bevel pinion and second driven bevel pinion.
5. marine propulsion according to claim 4, it is characterised in that further comprise：The bushing of cylindrical shape first, be
The wheel hub of the front propeller and surround second drive shaft the housing back part between sealing, be arranged at institute
State the wheel hub front face of front propeller；The seal member of cylindrical shape first, is arranged at the back part of the housing, with described first
The outer surface contact of bushing；The bushing of cylindrical shape second, in order to the rear screw shaft wheel hub and the front propeller wheel hub it
Between sealing, be arranged at the wheel hub front face of the rear screw shaft；And the seal member of cylindrical shape second, it is arranged at the preceding spiral shell
The back part of oar is revolved, is contacted with the outer surface with second bushing.
6. a kind of ship, it is characterised in that including the marine propulsion any one of claim 1-5.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020110058075A KR101380651B1 (en) | 2011-06-15 | 2011-06-15 | Propulsion apparatus for ship, and ship having the same |
| KR10-2011-0058075 | 2011-06-15 | ||
| PCT/KR2011/007026 WO2012173307A1 (en) | 2011-06-15 | 2011-09-23 | Propulsion device for ship and ship having same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103796915A CN103796915A (en) | 2014-05-14 |
| CN103796915B true CN103796915B (en) | 2017-09-26 |
Family
ID=47357279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180072412.0A Active CN103796915B (en) | 2011-06-15 | 2011-09-23 | Marine propulsion and the ship including the device |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20140248153A1 (en) |
| EP (1) | EP2722269B1 (en) |
| JP (1) | JP5801954B2 (en) |
| KR (1) | KR101380651B1 (en) |
| CN (1) | CN103796915B (en) |
| WO (1) | WO2012173307A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102424713B1 (en) * | 2020-09-28 | 2022-07-25 | 최순길 | Propusion power increasing device for vessel |
| CN113443111A (en) * | 2021-08-17 | 2021-09-28 | 深圳市先行电传动装备有限公司 | Electric outboard motor drive structure |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101909987A (en) * | 2008-01-09 | 2010-12-08 | Ihi海洋联合株式会社 | Contra-rotating propeller marine propulsion device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2987031A (en) * | 1959-07-24 | 1961-06-06 | Conrad R Odden | Dual propeller propulsion |
| US3769930A (en) * | 1971-05-03 | 1973-11-06 | L Pinkerton | Inboard-outboard drive mechanism for boats |
| JPS634240Y2 (en) * | 1980-02-25 | 1988-02-02 | ||
| JPS5984693A (en) * | 1982-11-02 | 1984-05-16 | Mitsubishi Heavy Ind Ltd | Counter-rotating nozzle propeller |
| EP0132220B1 (en) * | 1983-07-18 | 1988-01-07 | Mitsubishi Jukogyo Kabushiki Kaisha | Marine contra-rotating propeller apparatus |
| JPS6144099A (en) * | 1984-08-08 | 1986-03-03 | Kawasaki Heavy Ind Ltd | Seal structure for marine contrapropeller device |
| FI75128C (en) * | 1984-08-22 | 1988-05-09 | Max Gustaf Albert Honkanen | Drive device equipped with counter-rotating propellers. |
| JPS61144454A (en) * | 1984-12-17 | 1986-07-02 | Hiromi Kon | Propulsive shaft with built-in power dividing mechanism |
| JPS63217968A (en) * | 1987-03-05 | 1988-09-12 | Sumitomo Heavy Ind Ltd | Superconducting driving device with double reverse propeller |
| JPS6487996A (en) * | 1987-09-30 | 1989-04-03 | Taisei Corp | Vibrationproof device for underwater pipe |
| JPH0187996U (en) * | 1987-12-02 | 1989-06-09 | ||
| US5017168A (en) * | 1990-03-12 | 1991-05-21 | Ackley William V | Counter-rotating boat propeller drive |
| JPH08207895A (en) * | 1995-02-06 | 1996-08-13 | Ishikawajima Harima Heavy Ind Co Ltd | Steering device for ship |
| JPH0930496A (en) * | 1995-07-17 | 1997-02-04 | Ishikawajima Harima Heavy Ind Co Ltd | Bearing device for double reversing propeller shaft |
| JP4221493B2 (en) * | 2003-03-26 | 2009-02-12 | 独立行政法人海上技術安全研究所 | Counter-rotating propeller type pod type propulsion device for ships |
| JP4294649B2 (en) * | 2006-01-16 | 2009-07-15 | 川崎重工業株式会社 | Counter-rotating propulsion machine |
| EP2150459B1 (en) * | 2007-06-01 | 2013-03-13 | Samsung Heavy Ind. Co., Ltd. | Contra-rotating propeller supported on rudder horn of ship |
| KR101313616B1 (en) * | 2011-06-15 | 2013-10-02 | 삼성중공업 주식회사 | Propulsion apparatus for ship, and ship having the same |
-
2011
- 2011-06-15 KR KR1020110058075A patent/KR101380651B1/en active IP Right Grant
- 2011-09-23 EP EP11867726.9A patent/EP2722269B1/en active Active
- 2011-09-23 WO PCT/KR2011/007026 patent/WO2012173307A1/en active Application Filing
- 2011-09-23 JP JP2014515703A patent/JP5801954B2/en active Active
- 2011-09-23 CN CN201180072412.0A patent/CN103796915B/en active Active
- 2011-09-23 US US14/126,381 patent/US20140248153A1/en not_active Abandoned
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101909987A (en) * | 2008-01-09 | 2010-12-08 | Ihi海洋联合株式会社 | Contra-rotating propeller marine propulsion device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5801954B2 (en) | 2015-10-28 |
| KR101380651B1 (en) | 2014-04-04 |
| WO2012173307A1 (en) | 2012-12-20 |
| JP2014516869A (en) | 2014-07-17 |
| CN103796915A (en) | 2014-05-14 |
| EP2722269A1 (en) | 2014-04-23 |
| EP2722269A4 (en) | 2016-01-13 |
| US20140248153A1 (en) | 2014-09-04 |
| KR20120138528A (en) | 2012-12-26 |
| EP2722269B1 (en) | 2017-03-01 |
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