CN107042882A - The double-joint type axle sleeve and marine propeller of marine propeller - Google Patents
The double-joint type axle sleeve and marine propeller of marine propeller Download PDFInfo
- Publication number
- CN107042882A CN107042882A CN201610080265.6A CN201610080265A CN107042882A CN 107042882 A CN107042882 A CN 107042882A CN 201610080265 A CN201610080265 A CN 201610080265A CN 107042882 A CN107042882 A CN 107042882A
- Authority
- CN
- China
- Prior art keywords
- driving member
- marine propeller
- axle sleeve
- double
- outer peripheral
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H1/00—Propulsive elements directly acting on water
- B63H1/02—Propulsive elements directly acting on water of rotary type
- B63H1/12—Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
- B63H1/14—Propellers
- B63H1/20—Hubs; Blade connections
-
- 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
- B63H1/15—Propellers having vibration damping means
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
A kind of double-joint type axle sleeve of marine propeller, include one first driving member and one second driving member, first driving member has a tank and two interior protuberances being set in distance, interior protuberance is extended a distance into inside from the cell wall of tank, second driving member has a central siphon and a shock suction body, central siphon has one first transmission segment and one second transmission segment, first transmission segment of central siphon is arranged in the tank of the first driving member and with a male part, male part is located between two interior protuberances of the first driving member and can be with the formation clamping of one of interior protuberance, shock suction body is coated on the outer peripheral face of the second transmission segment of central siphon.So as to which double-joint type axle sleeve of the invention can produce the sluggish effect of power when engine just starts, and to reduce the oscillation phenomenon caused by moment torsion, and then lift the stability of start-up course.
Description
Technical field
The present invention it is relevant with marine propeller, particularly relate to a kind of marine propeller double-joint type axle sleeve and
Use the marine propeller of the double-joint type axle sleeve.
Background technology
General marine propeller consists predominantly of a propeller boss in structure, multiple is connected to spiral
The propeller blade of propeller hub, and one be arranged at axle sleeve in propeller boss, in the running, engine is first saturating
Axle of overdriving sends power to axle sleeve, axle sleeve is driven propeller boss rotation, in propeller boss rotation
During can by propeller blade produce promote power.
It is typically selection hard material (such as metal) in material for traditional axle sleeve, so
When propeller strikes foreign matter in operation process, in addition to being easily caused axle sleeve embrittlement, even
The damage of drive shaft related may be caused, once embrittlement occurs for axle sleeve, axle sleeve also just can not smooth band
The effect that dynamic propeller boss rotates and influences power to transmit, if in addition, the torsion that drive shaft is exported
When larger, it is also possible to cause the embrittlement of axle sleeve, therefore traditional axle sleeve is not appropriate for connecting high-power
Engine.
In order to solve the above problems, applicant of the present invention apllied Republic of China bulletin the
M310175 patents provide a kind of axle sleeve, and there is axle sleeve a metal level and one to be coated on the suction of metal level
Layer is shaken, on the one hand axle sleeve is connected in the drive shaft of engine by metal level, on the other hand passes through shock suction layer
It is connected in the axis hole of propeller boss.So as to, when propeller boss strikes foreign matter in operation process,
Axle sleeve can produce shock-absorbing effect through shock suction layer, so be not only able to avoid metal level from producing embrittlement,
Also drive shaft can be protected not to be damaged simultaneously.But in aforementioned known patent, when engine is firm
During startup, the moment torsion that the drive shaft of engine is exported can be conveyed directly to propeller via axle sleeve
Hub, the time that overall power transmitting procedure is not buffered, so being easy to allow propeller because institute
What is be subject to impacts situation excessive and occurring of short duration vibration.
The content of the invention
It is a primary object of the present invention to provide a kind of double-joint type axle sleeve of marine propeller, it utilizes soft
The mode of startup slows down the excessive caused oscillation phenomenon of moment torsion, and then lifts the steady of start-up course
Qualitative and smoothness.
In order to reach above-mentioned purpose, double-joint type axle sleeve provided by the present invention includes one first driving member
With one second driving member.First driving member has in a tank and at least two interior protuberances, this two
Radial direction of the convex portion from the cell wall of the tank along the tank extends inside, moreover, two interior protuberances it
Between be separated by a preset distance；Second driving member has a central siphon, and the central siphon is distinguished into one first transmission
Duan Yuyi is connected the second transmission segment of first transmission segment, the first transmission segment of the central siphon be arranged in this
In the tank of one driving member, moreover, the outer peripheral face of the first transmission segment of the central siphon has an at least evagination
Portion, the male part is located between two interior protuberances of first driving member, in addition, second transmission
Part has a shock suction body, and the shock suction body is coated on the outer peripheral face of the second transmission segment of the central siphon.
From the foregoing, when the engine being connected with second driving member is in firm start, this second
Driving member can be rotated by a drive shaft of the engine to driving, then when the central siphon of second driving member
Male part when being connected in wherein one interior protuberance of first driving member, first driving member can just be held
Begin to follow second driving member rotation, after first driving member rotates with second driving member i.e.
The strength that the engine can be exported is sent to a propeller jointly, allows the propeller to produce the dynamic of propulsion
Power.So as to, double-joint type axle sleeve of the invention can produce the sluggish effect of power in the engine start,
Opened with slowing down the oscillation phenomenon caused by moment excessive torsion, and then lifting the marine propeller
The stability and smoothness of dynamic process.In addition, except good stabilization can be maintained in start-up course
Outside degree, when colliding foreign matter, shock-absorbing effect can be produced through the shock suction layer of second driving member
Really, make second driving member central siphon and the engine drive shaft can and meanwhile be protected and be difficult by
To damage.
A further object of the present invention is the marine propeller for providing a kind of foregoing double-joint type axle sleeve of use,
The marine propeller has a propeller boss and multiple propeller blades, and the propeller blade is connected to the spiral
The outer peripheral face of propeller hub, the double-joint type axle sleeve is installed in an axis hole of the propeller boss, to connect this
The drive shaft of engine.
About detailed configuration, feature, assembling or the occupation mode of double-joint type axle sleeve provided by the present invention,
It is described by being described in detail in follow-up embodiment.However, should be able in those skilled in the art
Understand, the grade describes and implemented the specific embodiment cited by the present invention in detail, is only for explanation
The present invention, and it is not used to the patent claim of the limitation present invention.
Brief description of the drawings
Fig. 1 is the stereoscopic figure of marine propeller provided by the present invention；
Fig. 2 is the three-dimensional exploded view of marine propeller provided by the present invention；
Fig. 3 is the three-dimensional exploded view of double-joint type axle sleeve provided by the present invention；
Fig. 4 is the assembled sectional view of marine propeller provided by the present invention；
Fig. 5 is the rear end view of double-joint type axle sleeve provided by the present invention；
Fig. 6 is the radial cross-section of double-joint type axle sleeve provided by the present invention, and main display second is driven
The male part of part is not yet connected in the interior protuberance of the first driving member；
Fig. 7 is similar with Fig. 6, and the male part of the second driving member of main display is connected in the interior of the first driving member
Convex portion；
Fig. 8 is similar with Fig. 7, the main display counter-rotational state of first, second driving member.
【Symbol description】
10- marine propellers；20- propeller bosses；
22- axis holes；30- propeller blades；
40- double-joint type axle sleeves；The driving members of 50- first；
52- tanks；54- interior protuberances；
56- cushion spaces；The inclined-planes of 541- first；
Θ-angle；The planes of 58- first；
The driving members of 60- second；70- central siphons；
The transmission segments of 71- first；The transmission segments of 72- second；
73- is driven teeth portion；74- male parts；
The inclined-planes of 741- second；75- supporting parts；
80- shock suction bodies；The planes of 82- second.
Embodiment
Please referring initially to Fig. 1 and 2, marine propeller 10 of the invention include a propeller boss 20, four
Propeller blade 30, and a double-joint type axle sleeve 40.
Propeller boss 20 has the axis hole 22 of an insertion rear and front end.
Propeller blade 30 is connected to the outer peripheral face of propeller boss 20.
Double-joint type axle sleeve 40 is installed in the axis hole 22 of propeller boss 20 and with one first driving member 50
With one second driving member 60, as shown in Figure 3：
First driving member 50 is as made by metal material, if it is coordinating high-power engine in use, the
One driving member 50 may be selected to use stainless steel making, if coordinating fraction horsepower engine in use, first passes
Moving part 50 may be selected to be manufactured with aluminium alloy.For in structure, the first driving member 50 has a tank 52
With four interior protuberances being set in distance 54, footpath of the interior protuberance 54 from the cell wall of tank 52 along tank 52
To extending a preset distance inside so that form a cushion space 56 between two neighboring interior protuberance 54,
Again as shown in fig. 6, interior protuberance 54 has two the first relative inclined-planes 541, moreover, two neighboring convex
Angle between first inclined-plane 541 in portion 54 is preferred embodiment between 21 degree~25 degree.This
Outside, the outer peripheral face of the first driving member 50 is formed by connecting by multiple adjacent the first planes 58 two-by-two,
The first driving member 50 is enabled to be connected in the axis hole 22 of propeller boss 20 by the first plane 58.
Second driving member 60 has a central siphon 70, and central siphon 70 is as made by metal material, if it is matching somebody with somebody
High-power engine is closed in use, central siphon 70 may be selected to use stainless steel making, if coordinating fraction horsepower to draw
Hold up in use, central siphon 70 may be selected to be manufactured with aluminium alloy.For in structure, central siphon 70 is distinguished into one
First transmission segment 71 is connected the second transmission segment 72 of the first transmission segment 71 with one, and central siphon 70 is passed by first
Dynamic section 71 is arranged in the tank 52 of the first driving member 50, the outer peripheral face of the second transmission segment 72 of central siphon 70
Enveloped by shock suction body 80, the inner peripheral surface of the second transmission segment 72 of central siphon 70 has a transmission teeth portion 73
(as shown in figs. 4 and 5), central siphon 70 (is schemed by the bridle joint of transmission teeth portion 73 of the second transmission segment 72 in engine
In do not show) drive shaft (not shown) so that central siphon 70 can be driven by the drive shaft of engine and
Rotation.Again as illustrated in figures 5 and 6, central siphon 70 has four male parts 74 and four supporting parts 75, evagination
An extending radially outward preset distance of the portion 74 by the outer peripheral face of the first transmission segment 71 along central siphon 70 and
With two the second relative inclined-planes 742, central siphon 70 is embedded at the first driving member 50 by male part 74
In cushion space 56, when the male part 74 of central siphon 70 is connected in one of convex of the first driving member 50
During portion 54, as shown in fig. 7, the second inclined-plane 742 of male part 74 can be connected to interior protuberance 54 it is first oblique
Face 541, central siphon 70 now can drive the first driving member 50 to rotate, and supporting part 75 is by the second transmission
An extending radially outward preset distance of the outer peripheral face of section 72 along central siphon 70, for helping central siphon 70 to hold
The torsion that driven moving axis is exported.
As shown in Fig. 3 and 5, the second driving member 60 also has a shock suction body 80, and shock suction body 80 is in this implementation
In example as made by rubber, but it is not limited with rubber.Shock suction body 80 is coated on the second transmission of central siphon 70
The outer peripheral face of section 72, and by the supporting part 75 of central siphon 70 to enveloping, moreover, shock suction body 80 is outer
Side face is formed by connecting by multiple adjacent the second planes 82 two-by-two, each second plane 82 correspondence and
It is flush to the first plane 58 of the first driving member 50 so that shock suction body 80 can also be blocked by the second plane 82
It is connected to the hole wall of the axis hole 22 of propeller boss 20.
From the foregoing, when engine start, the drive shaft of engine can pass through nibbling between central siphon 70
Connecing relation drives the second driving member 60 to start rotation, when the second driving member 60 starts rotation, by the
The cushion space 56 that the two neighboring interior protuberance 54 of one driving member 50 is formed so that the second driving member 60
Male part 74 when engine just starts can't with the first driving member 50 interior protuberance 54 formation clamping,
As shown in fig. 6, the male part 74 and the interior protuberance 54 of the first driving member 50 in the second driving member 60 are formed
Before clamping, the first driving member 50 can temporarily be held at motionless state with propeller boss 20, once
When second driving member 60 rotates to the interior protuberance 54 for allowing male part 74 to be connected in the first driving member 50, such as scheme
Shown in 7 and 8, the first driving member 50 can just start and then the second driving member 60 and rotate, in the first driving member
After 50 start rotation with the second driving member 60, first, second driving member 50,60 can jointly by
The torsion that engine is exported smoothly is sent to propeller boss 20, allows propeller blade 30 with propeller boss 20
Rotation and produce the power of propulsion.
On the other hand, when propeller 10 collides foreign matter, due to the second transmission segment 72 of central siphon 70
Outer peripheral face has coated shock suction layer 80, and shock suction layer 80 can be inhaled the vibrations produced by propeller 10
Receive, allow the central siphon 70 that metal is made to avoid being ruptured by excessive vibrations, while can also be right
The drive shaft being connected with central siphon 70 provides protecting effect.In addition, the central siphon 70 of the second driving member 60 leads to
Cross supporting part 75 and bear the torsion that drive shaft is exported, thus high-power engine can be connected.
In summary, double-joint type axle sleeve 40 of the invention can pass through cushion space 56 in engine start
Design reach the effect of soft start, so as to effectively slow down propeller 10 in engine start moment because turning round
Oscillation phenomenon caused by power is excessive, and then propeller 10 is lifted in the stability of start-up course and smooth
Property.In addition, the double-joint type axle sleeve 40 of the present invention can not only provide shock-absorbing effect to reach protection engine
Purpose, also can bear larger torsion and high-power engine can be coordinated to use.
Claims (18)
1. the double-joint type axle sleeve of a kind of marine propeller, it is characterised in that it includes：
One first driving member, with a tank and at least two interior protuberances, two interior protuberances are from the appearance
Radial direction of the cell wall of groove along the tank extends inside, and is separated by a pre- spacing between two interior protuberances
From so that form a cushion space between two interior protuberances；And
One second driving member, with a central siphon and a shock suction body, the central siphon is distinguished into one first transmission segment
Be connected the second transmission segment of first transmission segment with one, the first transmission segment of the central siphon be arranged in this first
In the tank of driving member, and the outer peripheral face of the first transmission segment of the central siphon has an at least male part, should
Male part is movably embedded in the cushion space of first driving member and is selectively connected in it
In the interior protuberance, the shock suction body is coated on the outer peripheral face of the second transmission segment of the central siphon.
2. the double-joint type axle sleeve of marine propeller as claimed in claim 1, it is characterised in that wherein
The interior protuberance of first driving member has at least one first inclined-plane, and the male part of second driving member has
At least one second inclined-plane, when the male part of second driving member is connected in the interior protuberance of first driving member
When, the second inclined-plane of the male part is connected to the first inclined-plane of the interior protuberance.
3. the double-joint type axle sleeve of marine propeller as claimed in claim 1, it is characterised in that wherein
The outer peripheral face of second transmission segment of the central siphon has multiple supporting parts being set in distance, respectively the supporting part
Enveloped by the shock suction body.
4. the double-joint type axle sleeve of marine propeller as claimed in claim 1, it is characterised in that wherein
It is mutually flush between the outer peripheral face of the shock suction body of the outer peripheral face of first driving member and second driving member.
5. the double-joint type axle sleeve of marine propeller as claimed in claim 1, it is characterised in that wherein
Angle between two interior protuberances is between 21~25 degree.
6. the double-joint type axle sleeve of marine propeller as claimed in claim 1, it is characterised in that wherein
The outer peripheral face of first driving member is formed by connecting by multiple adjacent the first planes two-by-two, and this second is passed
The outer peripheral face of the shock suction body of moving part is formed by connecting by multiple adjacent the second planes two-by-two, this first,
Mutually correspond to and flush between second plane.
7. the double-joint type axle sleeve of marine propeller as claimed in claim 1, it is characterised in that wherein
First driving member is as made by metal.
8. the double-joint type axle sleeve of marine propeller as claimed in claim 1, it is characterised in that wherein
The central siphon of second driving member is as made by metal.
9. the double-joint type axle sleeve of marine propeller as claimed in claim 1, it is characterised in that wherein
The shock suction body of second driving member is as made by rubber.
10. a kind of marine propeller, it is characterised in that it includes：
One propeller boss, with an axis hole；
Multiple propeller blades, are connected to the outer peripheral face of the propeller boss；And
One double-joint type axle sleeve as claimed in claim 1, in the axis hole of the propeller boss.
11. marine propeller as claimed in claim 10, it is characterised in that wherein first transmission
The interior protuberance of part has at least one first inclined-plane, and the male part of second driving member has at least one second
Inclined-plane, when the male part of second driving member is connected in the interior protuberance of first driving member, the evagination
Second inclined-plane in portion is connected to the first inclined-plane of the interior protuberance.
12. marine propeller as claimed in claim 10, it is characterised in that wherein the of the central siphon
The outer peripheral face of two transmission segments has at least two supporting parts, and respectively the supporting part is coated by the shock suction body
Firmly.
13. marine propeller as claimed in claim 10, it is characterised in that wherein first transmission
The outer peripheral face of part is flush to the outer peripheral face of the shock suction body of second driving member.
14. marine propeller as claimed in claim 10, it is characterised in that wherein first transmission
The outer peripheral face of part is formed by connecting by multiple adjacent the first planes two-by-two, the shock-absorbing of second driving member
The outer peripheral face of body is formed by connecting by multiple adjacent the second planes two-by-two, first, second plane it
Between mutually correspondence and flush.
15. marine propeller as claimed in claim 10, it is characterised in that wherein two convexes
Angle between portion is between 21~25 degree.
16. marine propeller as claimed in claim 10, it is characterised in that wherein first transmission
Part is as made by metal.
17. marine propeller as claimed in claim 10, it is characterised in that wherein second transmission
The central siphon of part is as made by metal.
18. marine propeller as claimed in claim 10, it is characterised in that wherein second transmission
The shock suction body of part is as made by rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610080265.6A CN107042882A (en) | 2016-02-05 | 2016-02-05 | The double-joint type axle sleeve and marine propeller of marine propeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610080265.6A CN107042882A (en) | 2016-02-05 | 2016-02-05 | The double-joint type axle sleeve and marine propeller of marine propeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107042882A true CN107042882A (en) | 2017-08-15 |
Family
ID=59542670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610080265.6A Pending CN107042882A (en) | 2016-02-05 | 2016-02-05 | The double-joint type axle sleeve and marine propeller of marine propeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107042882A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6383042B1 (en) * | 2000-04-11 | 2002-05-07 | Bombardier Motor Corporation Of America | Axial twist propeller hub |
| US6478543B1 (en) * | 2001-02-12 | 2002-11-12 | Brunswick Corporation | Torque transmitting device for mounting a propeller to a propeller shaft of a marine propulsion system |
| US7086836B1 (en) * | 2004-09-02 | 2006-08-08 | Brunswick Corporation | Dual rate torque transmitting device for a marine propeller |
| CN201046774Y (en) * | 2007-05-09 | 2008-04-16 | 般若科技股份有限公司 | Screw-propeller for marine propeller |
| US20110212657A1 (en) * | 2010-02-26 | 2011-09-01 | Yamaha Hatsudoki Kabushiki Kaisha | Propeller unit for marine vessel propulsion device and marine vessel propulsion device including the same |
| CN105083517A (en) * | 2014-05-20 | 2015-11-25 | 雅马哈发动机株式会社 | Propeller for vessel propulsion apparatus and vessel propulsion apparatus including the same |
-
2016
- 2016-02-05 CN CN201610080265.6A patent/CN107042882A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6383042B1 (en) * | 2000-04-11 | 2002-05-07 | Bombardier Motor Corporation Of America | Axial twist propeller hub |
| US6478543B1 (en) * | 2001-02-12 | 2002-11-12 | Brunswick Corporation | Torque transmitting device for mounting a propeller to a propeller shaft of a marine propulsion system |
| US7086836B1 (en) * | 2004-09-02 | 2006-08-08 | Brunswick Corporation | Dual rate torque transmitting device for a marine propeller |
| CN201046774Y (en) * | 2007-05-09 | 2008-04-16 | 般若科技股份有限公司 | Screw-propeller for marine propeller |
| US20110212657A1 (en) * | 2010-02-26 | 2011-09-01 | Yamaha Hatsudoki Kabushiki Kaisha | Propeller unit for marine vessel propulsion device and marine vessel propulsion device including the same |
| CN105083517A (en) * | 2014-05-20 | 2015-11-25 | 雅马哈发动机株式会社 | Propeller for vessel propulsion apparatus and vessel propulsion apparatus including the same |
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Application publication date: 20170815 |
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