CN203306217U - Propeller front water power energy-saving device used for full transport ship - Google Patents
Propeller front water power energy-saving device used for full transport ship Download PDFInfo
- Publication number
- CN203306217U CN203306217U CN201320255439XU CN201320255439U CN203306217U CN 203306217 U CN203306217 U CN 203306217U CN 201320255439X U CN201320255439X U CN 201320255439XU CN 201320255439 U CN201320255439 U CN 201320255439U CN 203306217 U CN203306217 U CN 203306217U
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- flow deflector
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- propeller
- ships
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T70/00—Maritime or waterways transport
- Y02T70/10—Measures concerning design or construction of watercraft hulls
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Abstract
本实用新型公开了一种用于肥大型运输船舶的桨前水动力节能装置，包括水平导流片和环状导流片，所述水平导流片的一端与所述环状导流片的一端相连；所述水平导流片和环状导流片的截面形状均为机翼形结构，所述水平导流片与环状导流片相对的表面与水平面的夹角α为4~8°。本实用新型通过采用将所述水平导流片（起预旋作用）和所述环状导流片（起整流作用）整合成一体的技术方案，使本节能装置同时具备预旋和整流的效果，结构简单且加工和安装方便；同时，将所述水平导流片与水平面偏转所述夹角α，使得所述水平导流片的预旋效果更好。适用于船舶。
The utility model discloses a hydrodynamic energy-saving device in front of a propeller used for a hypertrophy transport ship, which comprises a horizontal guide vane and an annular guide vane, one end of the horizontal guide vane is connected to the One end is connected; the cross-sectional shapes of the horizontal guide vane and the annular guide vane are wing-shaped structures, and the angle α between the surface of the horizontal guide vane and the annular guide vane and the horizontal plane is 4 to 8 °. The utility model adopts the technical scheme of integrating the horizontal deflector (plays the role of pre-rotation) and the annular guide vane (plays the role of rectification), so that the energy-saving device has the effects of pre-rotation and rectification at the same time , the structure is simple, and the processing and installation are convenient; at the same time, the angle α between the horizontal guide vane and the horizontal plane is deflected, so that the pre-rotation effect of the horizontal guide vane is better. Suitable for ships.
Description
Technical field
The utility model relates to a kind of for hydrodynamic force energy saver before the oar of boats and ships, refers to particularly a kind of for hydrodynamic force energy saver before the oar of loose type ships that transport.
Background technology
At present, for the especially global warming problem that goes from bad to worse of world environments, all trades and professions are all being vigorously advocated the saving energy, reduce discharge.The Shipping industry belongs to high energy consumption maximum discharge field, naturally becomes the emphasis of energy-saving and emission-reduction reform, and various marine energy-saving technologies arise at the historic moment.
General ship hydrodynamics energy saver comprises stator and fin and the preposition conduit etc. that are placed in screw propeller the place ahead.Wherein, described stator and fin can reach the effect of prewhirling, and it coordinates the circumferential degradation of energy that can reduce in wake flow with the screw propeller hand of rotation, but it can only play merely the effect of prewhirling; Described preposition conduit can accelerate prop shaft to incoming flow, and the mobile degree of uniformity of oar card is increased, thereby reaches the effect of rectification, propeller efficiency is improved, but it can only play merely the effect of rectification.For improving further the energy-saving effect of ship hydrodynamics energy saver, generally adopt and in described preposition conduit, install the technical scheme of described stator additional, this technical scheme can reach the effect of prewhirling, can arrive the effect of rectification again, but structure is very complicated, design, processing, installation all have larger difficulty, and the just possibility out of reach energy-saving effect that slightly makes mistakes.
Summary of the invention
The purpose of this utility model is the deficiency existed in order to solve the above-mentioned background technology, proposes a kind of simple in structure and processing and easy for installation for hydrodynamic force energy saver before the oar of loose type ships that transport.
For achieving the above object, designed a kind of for hydrodynamic force energy saver before the oar of loose type ships that transport of the utility model, comprise horizontal flow deflector and ring-type flow deflector, and an end of described horizontal flow deflector is connected with an end of described ring-type flow deflector; The cross sectional shape of described horizontal flow deflector and ring-type flow deflector is wing-shaped structure, and the surface that described horizontal flow deflector is relative with the ring-type flow deflector and the angle α of horizontal surface are 4 ~ 8 °.By adopting the technical scheme that described horizontal flow deflector (working prewhirling effect) and described ring-type flow deflector (valve action) are integrated into one, this energy-conservation device possessed simultaneously the effect of prewhirling with rectification, simple in structure and processing and easy for installation; Simultaneously, by described horizontal flow deflector and the described angle α of horizontal surface deflection, make the better effects if of prewhirling of described horizontal flow deflector.
In such scheme, the angle β of the central axis of described ring-type flow deflector and boats and ships center buttock is 0 ~ 3 °.By the central axis by described ring-type flow deflector and the described angle β of boats and ships center buttock deflection, make the rectification effect of described ring-type flow deflector better.
In such scheme, the tail end diameter DTE of described ring-type flow deflector is 45～55% of propeller for vessels diameter, and the point diameter DLE of described ring-type flow deflector is 55～65% of propeller for vessels diameter.
In such scheme, described horizontal flow deflector is consistent with the length L d of ring-type flow deflector and be 28 ~ 33% of propeller for vessels diameter.
In such scheme, the width L1 of described horizontal flow deflector is 20～30% of propeller for vessels diameter.
The utility model has the advantage of:
1, by adopting the technical scheme that described horizontal flow deflector (working prewhirling effect) and described ring-type flow deflector (valve action) are integrated into one, this energy-conservation device possessed simultaneously the effect of prewhirling with rectification, simple in structure and processing and easy for installation;
2, by by described horizontal flow deflector and the described angle α of horizontal surface deflection, make the better effects if of prewhirling of described horizontal flow deflector;
3, by by the central axis of described ring-type flow deflector and the described angle β of boats and ships center buttock deflection, make the rectification effect of described ring-type flow deflector better;
4, by tail end diameter DTE, the point diameter DLE of described ring-type flow deflector, the width L1 of described horizontal flow deflector and the parameters such as length L d of described horizontal flow deflector and ring-type flow deflector of the described ring-type flow deflector of optimal design, make this energy-conservation device more energy-conservation.
The accompanying drawing explanation
Fig. 1 is the perspective view of utility model;
Fig. 2 is the structural representation of facing of the present utility model;
Fig. 3 is that the A of Fig. 2 is to local structure for amplifying schematic diagram;
Fig. 4 is the cross-sectional view along B-B line in Fig. 2.
In figure: horizontal flow deflector 1, ring-type flow deflector 2.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
As shown in Figure 1 a kind of for hydrodynamic force energy saver before the oar of loose type ships that transport, comprise horizontal flow deflector 1 and ring-type flow deflector 2, and an end of described horizontal flow deflector 1 is connected with an end of described ring-type flow deflector 2; The cross sectional shape of described horizontal flow deflector 1 and ring-type flow deflector 2 is wing-shaped structure, and the surface that described horizontal flow deflector 1 is relative with ring-type flow deflector 2 and the angle α of horizontal surface are 4 ~ 8 °.By adopting, described horizontal flow deflector 1(is played to prewhirling effect) and described ring-type flow deflector 2(play valve action) technical scheme that is integrated into one, this energy-conservation device is possessed simultaneously prewhirl the effect with rectification, simple in structure and processing and easy for installation; Simultaneously, by described horizontal flow deflector 1 and the described angle α of horizontal surface deflection, make the better effects if of prewhirling of described horizontal flow deflector 1.Described angle α is larger on the final energy-saving effect impact of this energy-conservation device, and the too small DeGrain of prewhirling of described angle α excessively can bring larger resistance, should carefully choose according to Flow details.
The angle β of the central axis of above-mentioned ring-type flow deflector 2 and boats and ships center buttock is 0 ~ 3 °.The too small acceleration effect of described angle β is not obvious, crosses conference and brings larger augmentation of resistance, should carefully choose according to Flow details equally.By the central axis by described ring-type flow deflector 2 and the described angle β of boats and ships center buttock deflection, make the rectification effect of described ring-type flow deflector 2 better.The tail end diameter DTE(of described ring-type flow deflector 2 is that the tail end termination of ring-type flow deflector 2 is to 2 times of the distance of the central axis of ring-type flow deflector 2) be that 45～55% of propeller for vessels diameter, the point diameter DLE of described ring-type flow deflector 2 are that the front end termination of ring-type flow deflector 2 is to 2 times of the distance of the central axis of ring-type flow deflector 2) be 55～65% of propeller for vessels diameter.
Above-mentioned horizontal flow deflector is consistent with the length L d of ring-type flow deflector and be 28 ~ 33% of propeller for vessels diameter.The width L1 of described horizontal flow deflector is 20～30% of propeller for vessels diameter.
The Main Function of above-mentioned horizontal flow deflector 1 is to suppress this side due to upwards flowing that hull afterbody curvature causes, reduce the circumferential flow trend of this side, the current that make to flow to screw propeller form pre-swirl effect, with the screw propeller rotation direction, match, can reduce the circumferential degradation of energy in wake flow, and this horizontal flow deflector 1 self can also provide part thrust; Described ring-type flow deflector 2 forms circumferential obturator together with horizontal flow deflector 1 and boats and ships body, Main Function is to accelerate this zone to flow, and the propeller disk incoming flow is tending towards evenly, thereby improves propeller efficiency, plays rectification effect.
The utility model works by described horizontal flow deflector 1(the effect of prewhirling by adopting) and described ring-type flow deflector 2(play valve action) technical scheme that is integrated into one, this energy-conservation device possessed simultaneously prewhirl and the effect of rectification simple in structure and processing and easy for installation; By by described horizontal flow deflector 1 and the described angle α of horizontal surface deflection, make the better effects if of prewhirling of described horizontal flow deflector 1; By the central axis by described ring-type flow deflector 2 and the described angle β of boats and ships center buttock deflection, make the rectification effect of described ring-type flow deflector 2 better; The parameters such as length L d of width L1 and described horizontal flow deflector 1 and ring-type flow deflector 2 by the point diameter DLE of the tail end diameter DTE of the described ring-type flow deflector 2 of optimal design, described ring-type flow deflector 2, described horizontal flow deflector 1, make this energy-conservation device more energy-conservation.
Claims (9)
1. one kind for hydrodynamic force energy saver before the oar of loose type ships that transport, and it is characterized in that: comprise horizontal flow deflector and ring-type flow deflector, an end of described horizontal flow deflector is connected with an end of described ring-type flow deflector; The cross sectional shape of described horizontal flow deflector and ring-type flow deflector is wing-shaped structure, and the surface that described horizontal flow deflector is relative with the ring-type flow deflector and the angle α of horizontal surface are 4 ~ 8 °.
2. according to claim 1 for hydrodynamic force energy saver before the oar of loose type ships that transport, it is characterized in that: the angle β of the central axis of described ring-type flow deflector and boats and ships center buttock is 0 ~ 3 °.
3. according to claim 1 and 2 for hydrodynamic force energy saver before the oar of loose type ships that transport, it is characterized in that: the tail end diameter DTE of described ring-type flow deflector is 45～55% of propeller for vessels diameter, and the point diameter DLE of described ring-type flow deflector is 55～65% of propeller for vessels diameter.
4. according to claim 1 and 2 for hydrodynamic force energy saver before the oar of loose type ships that transport, it is characterized in that: described horizontal flow deflector is consistent with the length L d of ring-type flow deflector and be 28 ~ 33% of propeller for vessels diameter.
5. according to claim 3 for hydrodynamic force energy saver before the oar of loose type ships that transport, it is characterized in that: described horizontal flow deflector is consistent with the length L d of ring-type flow deflector and be 28 ~ 33% of propeller for vessels diameter.
6. according to claim 1 and 2 for hydrodynamic force energy saver before the oar of loose type ships that transport, it is characterized in that: the width L1 of described horizontal flow deflector is 20～30% of propeller for vessels diameter.
7. according to claim 3 for hydrodynamic force energy saver before the oar of loose type ships that transport, it is characterized in that: the width L1 of described horizontal flow deflector is 20～30% of propeller for vessels diameter.
8. according to claim 4 for hydrodynamic force energy saver before the oar of loose type ships that transport, it is characterized in that: the width L1 of described horizontal flow deflector is 20～30% of propeller for vessels diameter.
9. according to claim 5 for hydrodynamic force energy saver before the oar of loose type ships that transport, it is characterized in that: the width L1 of described horizontal flow deflector is 20～30% of propeller for vessels diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320255439XU CN203306217U (en) | 2013-05-10 | 2013-05-10 | Propeller front water power energy-saving device used for full transport ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320255439XU CN203306217U (en) | 2013-05-10 | 2013-05-10 | Propeller front water power energy-saving device used for full transport ship |
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| Publication Number | Publication Date |
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| CN203306217U true CN203306217U (en) | 2013-11-27 |
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| CN201320255439XU Expired - Lifetime CN203306217U (en) | 2013-05-10 | 2013-05-10 | Propeller front water power energy-saving device used for full transport ship |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109606596A (en) * | 2018-11-29 | 2019-04-12 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | A kind of energy-saving semi-guide wheel in front of propeller |
| CN110770117A (en) * | 2017-11-22 | 2020-02-07 | 川崎重工业株式会社 | Stern fins and ships with such stern fins |
-
2013
- 2013-05-10 CN CN201320255439XU patent/CN203306217U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110770117A (en) * | 2017-11-22 | 2020-02-07 | 川崎重工业株式会社 | Stern fins and ships with such stern fins |
| CN109606596A (en) * | 2018-11-29 | 2019-04-12 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | A kind of energy-saving semi-guide wheel in front of propeller |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131127 |
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| CX01 | Expiry of patent term |