CN105035293A - Guide-tube type double-flow-direction propeller - Google Patents
Guide-tube type double-flow-direction propeller Download PDFInfo
- Publication number
- CN105035293A CN105035293A CN201510440242.7A CN201510440242A CN105035293A CN 105035293 A CN105035293 A CN 105035293A CN 201510440242 A CN201510440242 A CN 201510440242A CN 105035293 A CN105035293 A CN 105035293A
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- Prior art keywords
- propeller
- blade
- conduit
- flow
- type double
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Abstract
The invention discloses a guide-tube type double-flow-direction propeller. The propeller comprises a propeller hub, inner propeller blades, a water tube, propeller blades and a guide tube, the inner propeller blades are located between the propeller hub and the water tube, the 2-4 inner propeller blades are evenly distributed on the propeller hub, the propeller blades are located between the water tube and the guide tube, the 2-4 propeller blades are evenly distributed on the water tube in a side-inclined mode, the guide tube is located outside the propeller blades, and the gap between the inner wall of the guide tube and the propeller tip of each propeller blade ranges from one millimeter to three millimeters. By means of the mode, a guide tube double-flow-direction structure is adopted for the propeller, and the propelling efficiency of the propeller can be effectively raised.
Description
Technical field
The present invention relates to screw propeller field, particularly relate to a kind of conduit type double-flow-direction propeller.
Background technology
Marine propeller promotes the mechanism that boats and ships advance, and screw propeller is installed on stern underwater, obtains power and rotating by marine main engine, after pushing water to ship, utilizes the antagonistic force of water to push boat advance.
Along with the increase of larger-sized vessel and the speed of a ship or plane, the load of screw propeller is larger, existing propeller for vessels due to blade point stream loss, screw propeller after wake flow contraction etc. make its propulsion coefficient not high, therefore existing propeller for vessels can not meet the angle of rake requirement of large ship.
Summary of the invention
The technical matters that the present invention mainly solves is: for the deficiencies in the prior art, provides a kind of conduit type double-flow-direction propeller, adopts the two flow direction structure of conduit, effectively can improve the propulsion coefficient of screw propeller.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of conduit type double-flow-direction propeller, comprise: slurry hub, interior blade, water service pipe, blade and conduit, described interior blade is between described slurry hub and water service pipe, described interior blade has 2-4 sheet, described interior blade is evenly distributed on described slurry hub, described blade is between water service pipe and conduit, described blade also has 2-4 sheet, described blade rolls and is tiltedly evenly distributed on described water service pipe, described conduit is positioned at outside described blade, and the gap of the slurry point of the inwall of described conduit and described blade is 1-3mm.
In a preferred embodiment of the present invention, described interior blade is equal with the quantity of blade, all has 4.
In a preferred embodiment of the present invention, described interior blade is contrary with the hand of spiral of blade.
In a preferred embodiment of the present invention, the center of circle of described water service pipe and the center of circle of described conduit are on same level straight line.
The invention has the beneficial effects as follows: the present invention adopts the two flow direction structure of conduit, effectively can improve the propulsion coefficient of screw propeller.
Accompanying drawing explanation
Fig. 1 is the structural representation of conduit type double-flow-direction propeller of the present invention;
In accompanying drawing, the mark of each parts is as follows: 1, starch hub, 2, interior blade, and 3, water service pipe, 4, blade, 5, conduit.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
Refer to Fig. 1, the embodiment of the present invention comprises:
A kind of conduit type double-flow-direction propeller, comprising: slurry hub 1, interior blade 2, water service pipe 3, blade 4 and conduit 5; Described interior blade 2 has 4, is arranged on described slurry hub 1 equably; Described blade 4 also has 4, is arranged on described water service pipe 3 equably; Described interior paddle 2 is contrary with the hand of spiral of blade 4, when propeller rotational gets up water to pusher, water in water service pipe 3 then flow forward, thus improve the situation of screw propeller at low pressure water flow above, there is eddy current in the region limiting its slurry hub 1, strengthens the wake of propeller, increases the antagonistic force of screw propeller, thus improve its use effect, to improve the speed of a ship or plane of boats and ships;
The center of circle of described water service pipe 3 and the center of circle of described conduit 5 are on same level straight line, and the gap of the inwall of described conduit 5 and the slurry point of described blade 4 is 1-3mm, gap between conduit 5 and screw blade 4 is very little, what limit blade point streams loss, wake flow after conduit 5 can reduce screw propeller simultaneously shrinks, degradation of energy is reduced, thus effectively improves the propulsion coefficient of screw propeller.
Present invention is disclosed a kind of conduit type double-flow-direction propeller, adopt the two flow direction structure of conduit, inside and outside blade, effectively can improve the propulsion coefficient of screw propeller.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize specification sheets of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (4)
1. a conduit type double-flow-direction propeller, it is characterized in that, comprise: slurry hub, interior blade, water service pipe, blade and conduit, described interior blade is between described slurry hub and water service pipe, described interior blade has 2-4 sheet, described interior blade is evenly distributed on described slurry hub, described blade is between water service pipe and conduit, described blade also has 2-4 sheet, described blade rolls and is tiltedly evenly distributed on described water service pipe, described conduit is positioned at outside described blade, and the gap of the slurry point of the inwall of described conduit and described blade is 1-3mm.
2. conduit type double-flow-direction propeller according to claim 1, is characterized in that, described interior blade is equal with the quantity of blade, all has 4.
3. conduit type double-flow-direction propeller according to claim 1, is characterized in that, described interior blade is contrary with the hand of spiral of blade.
4. conduit type double-flow-direction propeller according to claim 1, is characterized in that, the center of circle of described water service pipe and the center of circle of described conduit are on same level straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510440242.7A CN105035293A (en) | 2015-07-24 | 2015-07-24 | Guide-tube type double-flow-direction propeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510440242.7A CN105035293A (en) | 2015-07-24 | 2015-07-24 | Guide-tube type double-flow-direction propeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105035293A true CN105035293A (en) | 2015-11-11 |
Family
ID=54442395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510440242.7A Pending CN105035293A (en) | 2015-07-24 | 2015-07-24 | Guide-tube type double-flow-direction propeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105035293A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105346697A (en) * | 2015-11-26 | 2016-02-24 | 南通长青沙船舶工程有限公司 | Propeller for guide pipe type ship |
| CN112065728A (en) * | 2020-09-01 | 2020-12-11 | 厚力德机器（杭州）有限公司 | Dirt separation mixing-free jet self-suction device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101586580A (en) * | 2008-05-19 | 2009-11-25 | 株式会社日立工业设备技术 | Blade, impeller, turbo fluid machine, method and apparatus for manufacturing blade |
| CN103085959A (en) * | 2011-11-08 | 2013-05-08 | 雅马哈发动机株式会社 | Marine vessel propulsion device |
| CN104417738A (en) * | 2013-08-19 | 2015-03-18 | 中国人民解放军海军工程大学 | Novel low-noise highly-skewed ducted propeller |
| CN104787284A (en) * | 2015-04-08 | 2015-07-22 | 浙江海洋学院 | Child-mother coaxial guide pipe wheel propeller |
| CN204979202U (en) * | 2015-07-24 | 2016-01-20 | 苏州金业船用机械厂 | Pipe type double fluid is to screw |
-
2015
- 2015-07-24 CN CN201510440242.7A patent/CN105035293A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101586580A (en) * | 2008-05-19 | 2009-11-25 | 株式会社日立工业设备技术 | Blade, impeller, turbo fluid machine, method and apparatus for manufacturing blade |
| CN103085959A (en) * | 2011-11-08 | 2013-05-08 | 雅马哈发动机株式会社 | Marine vessel propulsion device |
| US20130115833A1 (en) * | 2011-11-08 | 2013-05-09 | Yamaha Hatsudoki Kabushiki Kaisha | Marine vessel propulsion device |
| CN104417738A (en) * | 2013-08-19 | 2015-03-18 | 中国人民解放军海军工程大学 | Novel low-noise highly-skewed ducted propeller |
| CN104787284A (en) * | 2015-04-08 | 2015-07-22 | 浙江海洋学院 | Child-mother coaxial guide pipe wheel propeller |
| CN204979202U (en) * | 2015-07-24 | 2016-01-20 | 苏州金业船用机械厂 | Pipe type double fluid is to screw |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105346697A (en) * | 2015-11-26 | 2016-02-24 | 南通长青沙船舶工程有限公司 | Propeller for guide pipe type ship |
| CN112065728A (en) * | 2020-09-01 | 2020-12-11 | 厚力德机器（杭州）有限公司 | Dirt separation mixing-free jet self-suction device |
| CN112065728B (en) * | 2020-09-01 | 2022-07-05 | 厚力德机器（杭州）有限公司 | Dirt separation mixing-free jet self-suction device |
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Legal Events
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151111 |
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| WD01 | Invention patent application deemed withdrawn after publication |