CN103192970A - Oar body and screw propeller with same - Google Patents
Oar body and screw propeller with same Download PDFInfo
- Publication number
- CN103192970A CN103192970A CN2013101514718A CN201310151471A CN103192970A CN 103192970 A CN103192970 A CN 103192970A CN 2013101514718 A CN2013101514718 A CN 2013101514718A CN 201310151471 A CN201310151471 A CN 201310151471A CN 103192970 A CN103192970 A CN 103192970A
- Authority
- CN
- China
- Prior art keywords
- wheel rim
- oar
- screw propeller
- rotating shaft
- bearing
- 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
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Classifications
-
- 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
- B63H23/22—Transmitting power from propulsion power plant to propulsive elements with non-mechanical gearing
- B63H23/24—Transmitting power from propulsion power plant to propulsive elements with non-mechanical gearing electric
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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
- B63H5/14—Arrangements on vessels of propulsion elements directly acting on water of propellers characterised by being mounted in non-rotating ducts or rings, e.g. adjustable for steering purpose
-
- 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
- B63H1/16—Propellers having a shrouding ring attached to blades
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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
- B63H2023/005—Transmitting power from propulsion power plant to propulsive elements using a drive acting on the periphery of a rotating propulsive element, e.g. on a dented circumferential ring on a propeller, or a propeller acting as rotor of an electric motor
Abstract
The invention relates to an oar body comprising an oar hub and a plurality of oar blades connected to the oar hub. The oar body is characterized in that wheel rims are formed at the peripheries of the oar blades; gear teeth distributed along the circumferential direction are formed on the peripheral walls of the wheel rims; and two ends of the oar hub are conical streamline forms. The oar body has the advantages that the conventional rotating shaft structure is cancelled, one wheel rim is formed outside each oar blade, so that the rotation mode of the oar blades is changed from rotating shaft rotation in a rotation torque transmission method into wheel rim rotation, the oar blades of a screw propeller are rotated by engagement of gears on the wheel rim instead of rotation of a rotating shaft, a main engine of a ship and the screw propeller can be connected without a mechanical rotating shaft, and a propelling device without the rotating shaft is provided for the ship, thus the technical problem of the rotating shaft of a large ship is solved, and a cabin of the ship can be designed more flexibly; in addition, the oar blades are driven to rotate by using a gear engagement mode, the output power of the screw propeller can be greatly reduced under the same power, and therefore, the work efficiency of the ship is improved, the energy consumption is reduced, and the purpose of saving energy is achieved.
Description
Technical field
The present invention relates to a kind of oar body and the screw propeller that this oar body is installed.
Background technology
Screw propeller is to depend on blade to rotate in air, and turn of engine power is converted into the device of propulsive force, or has two or more leaf to link to each other with hub, and the one side backward of leaf is for helical surface or be similar to a kind of ship propeller of helical surface.In the prior art, for example the patent No. is that the Chinese utility model patent " disc type screw propeller " of ZL201110137505.9 provides a kind of disc type screw propeller, it comprises blade, rotating shaft connector, rotating disk, described oar body is evenly arranged in around the described rotating shaft connector, and described oar body rear is provided with rotating disk, described rotating disk and described rotating shaft connector are fixed, and disc surfaces is covered with through hole.And for example the patent No. is that the Chinese utility model patent " tandem propeller propelling unit " of ZL200420098175.2 provides a kind of tandem propeller propelling unit, its structure is to be made of S. A. and screw propeller, characteristics are that two or more screw propeller series connection are fixed on the S. A., S. A. then joins by coupler and power take-off shaft, according to the quantity of screw propeller, can set up the fixed pedestal of suitable quantity at S. A..
But, screw propeller in above-mentioned two patents, its rotation all is to transmit moment of rotation by rotating shaft, propeller hub, this screw propeller is when work, the torsional stress of rotation generation and pushing and the suction compression effort that the screw propeller action produces are being born in its rotating shaft, and rotating shaft is also twined by foreign material such as pasture and water in water in the rotation process easily, causes the screw propeller can't normal operation.Therefore, also there is above-mentioned defective in the screw propeller of present band pivot structure, need do further improvement.
Summary of the invention
First technical matters to be solved by this invention is to provide a kind of structure more simple, compact oar body at above-mentioned prior art present situation.
Second technical matters to be solved by this invention is that a kind of work with above-mentioned oar body failure-free screw propeller more is provided at above-mentioned prior art present situation.
The present invention solves the technical scheme that above-mentioned first technical matters adopts: a kind of oar body, include Jiang Grains and the multi-disc blade that is connected on Gai Jiang Grains, it is characterized in that: the periphery of described blade forms wheel rim, be formed with the gear teeth along circumferential arrangement on the periphery wall of described wheel rim, the two ends of described Jiang Grains are circular cone streamline contours.
The present invention solves the technical scheme that above-mentioned second technical matters adopt: a kind of screw propeller, it is characterized in that: also being arranged with outside the described wheel rim can be with respect to the fixed muffle frame of this wheel rim rotation, and, offer the slotted eye that can be meshed with the gear system of outside for the gear teeth of described wheel rim on the perisporium of described sleeve rack.
As being easy for installation and removal, preferred, can realize being rotatably connected by bearing between described sleeve rack and the described wheel rim.
In order to guarantee connection stability and reliability of positioning, as preferably, the periphery wall of described wheel rim forms ring rib, and the described gear teeth are arranged on the described raised line; Described bearing includes the preceding side bearing that is positioned at described raised line one side and the rear end bearing that is positioned at described raised line opposite side.
In order to prolong the service life of bearing, as preferably, described before side bearing and rear end bearing be respectively the unworn liner bearing.
For dustproof, and play effect attractive in appearance, as preferably, the end of described wheel rim also is provided with the end cap that is fixedly linked with described sleeve rack.
In order to prevent lubricating oil leakage, and guarantee the leak tightness that connects as preferably, to be provided with first seal ring between described wheel rim and the described end cap.
For as further preferred, be provided with second seal ring between described wheel rim and the described sleeve rack.
Compared with prior art, the invention has the advantages that: cancelled traditional pivot structure, but outside blade moulding one wheel rim, make the moment of rotation transmission method of blade be changed into the mode of wheel rim rotation by rotating shaft, the rotation of screw propeller is not by rotating shaft but gear on the roller circle meshes to drive the blade rotation, thus, can connect firmly without mechanical rotating shaft between the main frame of boats and ships and the screw propeller, for boats and ships provide no rotating shaft propelling unit, solved the rotating shaft technical matters of large ship, can allow the cabin design of boats and ships more flexible; In addition, owing to adopted the gear engagement system to drive the blade rotation, under the same power, the horsepower output of screw propeller motor can dwindle greatly, has not only improved the work efficiency of boats and ships, has reduced energy consumption more, thereby has realized energy-conservation.
Description of drawings
Fig. 1 is one of structural representation of the embodiment of the invention (front).
Fig. 2 is two (back sides) of the structural representation of the embodiment of the invention.
Fig. 3 is the three-dimensional cutaway view of the embodiment of the invention.
Fig. 4 is the three-dimensional exploded view of the embodiment of the invention.
The specific embodiment
Describe in further detail below in conjunction with the present invention of accompanying drawing embodiment.
As Fig. 1～shown in Figure 4, the screw propeller of present embodiment includes Jiang Grains 1 and the multi-disc blade 2 that is connected on Gai Jiang Grains 1, wherein, the periphery of blade 2 forms wheel rim 3, the be connected to one two ends of Jiang Grains 1 of the end of this wheel rim 3 and blade 2 are circular cone streamline contours, the periphery wall of wheel rim 3 forms the ring rib 31 of circumferential arrangement at midway location, be formed with the gear teeth 32 that arrange at interval along circumferentially on this raised line 31, also being arranged with outside the wheel rim 3 can be with respect to the sleeve rack 4 of these wheel rim 3 rotations, sleeve rack 4 is generally fixed installation, also offer a slotted eye 41 that can expose for the gear teeth 32 of wheel rim 3 on the perisporium of sleeve rack 4, the gear teeth 32 can be meshed by the gear system of this slotted eye 41 with the outside, thereby drive blade 2 rotations.
As preferably, can realize being rotatably connected by bearing 5 simply between sleeve rack 4 in the present embodiment and the wheel rim 3, wherein, bearing 5 is arranged in the both sides of raised line 31, and respectively along wheel rim 3 circumferential arrangement, bearing 5 includes the preceding side bearing that is positioned at raised line 31 1 sides and the rear end bearing that is positioned at raised line 31 opposite sides, and in order to increase the service life, preceding side bearing and rear end bearing can be respectively the unworn liner bearing.
The end of wheel rim 3 is provided with end cap 8, this end cap 8 is along circumferentially captiveing joint with sleeve rack 4 by screw 81, for preventing leakage of oil, and realize sealing, be provided with first seal ring 6 between wheel rim 3 and the end cap 8, then be provided with second seal ring 7 between wheel rim 3 and the sleeve rack 4, then be provided with seal ring 82 between sleeve rack 4 and the end cap 8.
During work, sleeve rack 4 is realized fixed installation setting, outside driving device is by the gear engagement of the gear teeth 32 on slotted eye 41 realizations on the sleeve rack 4 and the wheel rim 3, when the driving device of outside is worked, can drive wheel rim 3 by the gear engagement rotates, the design because wheel rim 3 and blade 2 are fixed as one is rotated together thereby can drive blade 2.
Present embodiment has been cancelled the pivot structure of traditional propeller, existing moment of rotation transmission change by rotating shaft is become by the 2 rotation transmission of wheel rim 3 drive blades, relatively wheel rim 3 rotates the effect of transmitting with rotating shaft moment, mechanical balance theory according to lever, setting screw propeller De Jiang Grains 1 center is a fulcrum, and the diameter of rotating shaft is lever length on one side, and the external diameter of wheel rim 3 is the length of lever another side, the diameter ratio of the external diameter of wheel rim 3 and rotating shaft so is the effect parameter of wheel rim 3; Therefore, the screw propeller under the same parameter, if during the shp of 10,000 horsepowers of this screw propeller actual needs, the motor horsepower output of the screw propeller that wheel rim 3 drives can be contracted between 4,000 horsepowers to 1,000 horsepowers at least, and is littler even.So when a screw propeller needed 10,000 horsepowers of shp main frames, it can drive the screw propeller rotation through electrical generator, thereby improve the energy efficiency of boats and ships widely more only with 2,000 horsepowers main frame drive electrical generator, realizes energy-saving and cost-reducing.In addition, adopt the propeller arrangement of present embodiment, owing to can connect firmly without mechanical rotating shaft between the main frame of boats and ships and the screw propeller, can provide the propelling unit of no rotating shaft for boats and ships, make that the cabin design of boats and ships is more flexible.
Claims (8)
1. oar body, include Jiang Grains (1) and be connected multi-disc blade (2) on Gai Jiang Grains (1), it is characterized in that: the periphery of described blade (2) forms wheel rim (3), be formed with the gear teeth (32) along circumferential arrangement on the periphery wall of described wheel rim (3), the two ends of described Jiang Grains (1) are circular cone streamline contours.
2. one kind has the screw propeller of oar body according to claim 1, it is characterized in that: also being arranged with outside the described wheel rim (3) can be with respect to the fixed muffle frame (4) of this wheel rim (3) rotation, and, offer the slotted eye (41) that can be meshed with the gear system of outside for the gear teeth (32) of described wheel rim (3) on the perisporium of described sleeve rack (4).
3. screw propeller according to claim 2 is characterized in that: realize being rotatably connected by bearing (5) between described sleeve rack (4) and the described wheel rim (3).
4. screw propeller according to claim 3, it is characterized in that: the periphery wall of described wheel rim (3) forms ring rib (31), and the described gear teeth (32) are arranged on the described raised line (31); Described bearing (5) includes the preceding side bearing that is positioned at described raised line (31) one sides and the rear end bearing that is positioned at described raised line (31) opposite side.
5. screw propeller according to claim 4 is characterized in that: side bearing and rear end bearing are respectively the unworn liner bearing before described.
6. screw propeller according to claim 2, it is characterized in that: the end of described wheel rim (3) also is provided with the end cap (8) that is fixedly linked with described sleeve rack (4).
7. screw propeller according to claim 6 is characterized in that: be provided with first seal ring (6) between described wheel rim (3) and the described end cap (8).
8. screw propeller according to claim 2 is characterized in that: be provided with second seal ring (7) between described wheel rim (3) and the described sleeve rack (4).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101514718A CN103192970A (en) | 2013-04-27 | 2013-04-27 | Oar body and screw propeller with same |
| PCT/CN2014/000206 WO2014173172A1 (en) | 2013-04-27 | 2014-03-07 | Paddle body and propeller having same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101514718A CN103192970A (en) | 2013-04-27 | 2013-04-27 | Oar body and screw propeller with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103192970A true CN103192970A (en) | 2013-07-10 |
Family
ID=48715828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101514718A Pending CN103192970A (en) | 2013-04-27 | 2013-04-27 | Oar body and screw propeller with same |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103192970A (en) |
| WO (1) | WO2014173172A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103419918A (en) * | 2013-08-14 | 2013-12-04 | 鲍小福 | Design scheme of energy regeneration and recovery technology |
| CN103895806A (en) * | 2014-04-22 | 2014-07-02 | 曾建海 | Wedge-shaped stem water spraying ship |
| WO2014173172A1 (en) * | 2013-04-27 | 2014-10-30 | Bao Xiaofu | Paddle body and propeller having same |
| CN105109648A (en) * | 2015-08-03 | 2015-12-02 | 苏州金业船用机械厂 | Novel guide-pipe-type propeller |
| CN105109654A (en) * | 2015-08-03 | 2015-12-02 | 苏州金业船用机械厂 | High-performance ducted propeller |
| CN111086624A (en) * | 2020-01-20 | 2020-05-01 | 张世栋 | Shroud-band type blade tip turbulence blocking device for ducted propeller |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1197850A (en) * | 1968-12-03 | 1970-07-08 | Satterthwaite James G | Peripheral Journal Propeller Drive |
| JPH09175486A (en) * | 1995-12-27 | 1997-07-08 | Fujita Corp | Ship propulsion device |
| EP1876094A2 (en) * | 2006-07-06 | 2008-01-09 | Neta N.V. | Retractable thruster for vessels |
| CN102686477A (en) * | 2009-09-08 | 2012-09-19 | 汉堡-哈尔堡技术大学 | Mechanically driven, hubless, high-efficiency ship propulsor |
| KR20120108546A (en) * | 2011-03-24 | 2012-10-05 | 삼성중공업 주식회사 | Propulsion apparatus for ship and ship including the same |
| CN203294300U (en) * | 2013-04-27 | 2013-11-20 | 鲍小福 | Paddle body and screw propeller with same |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3610713A (en) * | 1969-10-08 | 1971-10-05 | Satterthwaite James G | Water lubricated thrust bearing |
| JPS63195093A (en) * | 1987-02-10 | 1988-08-12 | Osamu Ooeda | Propulsion machinery for both inboard and outboard motors |
| CH673445A5 (en) * | 1987-09-21 | 1990-03-15 | Sicommerce Ag | Medium-delivery mechanism - comprises hub-less blade ring with external drive and inside annular housing |
| NL1029389C2 (en) * | 2005-06-30 | 2007-01-04 | Marifin Beheer B V | Ashless screw. |
| CN102336261B (en) * | 2011-09-07 | 2013-09-18 | 王仁夫 | Shaftless propeller |
| CN103192970A (en) * | 2013-04-27 | 2013-07-10 | 鲍小福 | Oar body and screw propeller with same |
-
2013
- 2013-04-27 CN CN2013101514718A patent/CN103192970A/en active Pending
-
2014
- 2014-03-07 WO PCT/CN2014/000206 patent/WO2014173172A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1197850A (en) * | 1968-12-03 | 1970-07-08 | Satterthwaite James G | Peripheral Journal Propeller Drive |
| JPH09175486A (en) * | 1995-12-27 | 1997-07-08 | Fujita Corp | Ship propulsion device |
| EP1876094A2 (en) * | 2006-07-06 | 2008-01-09 | Neta N.V. | Retractable thruster for vessels |
| CN102686477A (en) * | 2009-09-08 | 2012-09-19 | 汉堡-哈尔堡技术大学 | Mechanically driven, hubless, high-efficiency ship propulsor |
| KR20120108546A (en) * | 2011-03-24 | 2012-10-05 | 삼성중공업 주식회사 | Propulsion apparatus for ship and ship including the same |
| CN203294300U (en) * | 2013-04-27 | 2013-11-20 | 鲍小福 | Paddle body and screw propeller with same |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014173172A1 (en) * | 2013-04-27 | 2014-10-30 | Bao Xiaofu | Paddle body and propeller having same |
| CN103419918A (en) * | 2013-08-14 | 2013-12-04 | 鲍小福 | Design scheme of energy regeneration and recovery technology |
| CN103895806A (en) * | 2014-04-22 | 2014-07-02 | 曾建海 | Wedge-shaped stem water spraying ship |
| CN103895806B (en) * | 2014-04-22 | 2016-06-15 | 曾建海 | One is split shape bow waterjet boat |
| CN105109648A (en) * | 2015-08-03 | 2015-12-02 | 苏州金业船用机械厂 | Novel guide-pipe-type propeller |
| CN105109654A (en) * | 2015-08-03 | 2015-12-02 | 苏州金业船用机械厂 | High-performance ducted propeller |
| CN111086624A (en) * | 2020-01-20 | 2020-05-01 | 张世栋 | Shroud-band type blade tip turbulence blocking device for ducted propeller |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014173172A1 (en) | 2014-10-30 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130710 |