CN203497160U - Front half guide wheel - Google Patents
Front half guide wheel Download PDFInfo
- Publication number
- CN203497160U CN203497160U CN201320386570.XU CN201320386570U CN203497160U CN 203497160 U CN203497160 U CN 203497160U CN 201320386570 U CN201320386570 U CN 201320386570U CN 203497160 U CN203497160 U CN 203497160U
- Authority
- CN
- China
- Prior art keywords
- preposition half
- guide wheel
- propeller
- conduit
- preposition
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Wind Motors (AREA)
Abstract
The utility model discloses a front half guide wheel, which comprises a front half guide pipe and a plurality of front guide vanes, wherein an axial local part of the pipe wall of the front half guide pipe is a gap; one end of each front guide vane is arranged on the inner wall of the front half guide pipe along the circumferential direction; the other end of each front guide vane is connected with the tail part of a ship body. The front half guide wheel related to the utility model is arranged close to the front upper side of a propeller, a certain number of front guide vanes generating pre-rotation flow are arranged inside the front half guide wheel, and the front half guide pipe is arranged on the peripheries of the front guide vanes; the energy-saving device has the effects of improving the inflow uniformity of the upper half plane of the propeller, increasing the efficiency of a propeller ship body, reducing the tail flow energy loss of the propeller and the like, and a considerable energy saving effect can be achieved.
Description
Technical field
The utility model relates to a kind of energy-conservation front guide impeller peculiar to vessel, relates in particular to a kind of preposition half guide wheel.
Background technology
Along with manifesting gradually of world energy sources crisis, international oil price is always in concussion rise state since entering 21 century, and this makes shipping cost high, therefore cuts operating costs and becomes the common problem of shipbuilding industry.
And meanwhile, because the various environmental problems that greenhouse gas emission causes are increasingly serious, and be subject to the extensive concern of international community.Therefore the research and development of ship hydrodynamics energy saver also become the key subjects of boats and ships field of research, are also subject to numerous shipowners' favor simultaneously.Yet along with the improvement day by day of boats and ships overall performance, the energy-saving effect of traditional single energy saver is also more and more lower, combined energy-saving equipment also becomes focus and the development priority of Ship Energy Saving Device gradually.
Utility model content
The purpose of this utility model is to solve the problems of the prior art, and a kind of preposition half guide wheel that can reduce ship wake degradation of energy, reduction boats and ships energy consumption and improve propeller propulsion coefficient is provided.
The technical solution of the utility model is: preposition half guide wheel, comprise preposition half conduit and a plurality of inlet guide vane sheet, and the tube wall of described preposition half conduit axially part is breach; One end of described inlet guide vane sheet is circumferentially arranged on the inwall of preposition half conduit, and the other end is connected with hull afterbody.
Down, the vertical inclination angle that described preposition half conduit is installed is 0-5 ° to the breach of described preposition half conduit.
The eye diameter of described preposition half conduit is greater than its outlet diameter.
Described eye diameter is 0.65～0.75 times of diameter of propeller, outlet diameter is diameter of propeller 0.6～0.7 times.
While arranging between described inlet guide vane sheet, be mutually different angles.
Described inlet guide vane sheet chord length is less than described preposition half conduit chord length.
The utility model relates to preposition half guide wheel and is arranged on nearby top of screw propeller, and its inside is provided with the inlet guide vane sheet that produces the mobile some of prewhirling, and inlet guide vane sheet periphery is preposition half conduit; This energy saver has the homogeneity improving screw propeller upper half of plane and become a mandarin, improves screw propeller hull efficiency, reduces the effects such as propeller race rotating energy loss, can obtain appreciable energy-saving effect.
Accompanying drawing explanation
Fig. 1 is the preposition half Guiding wheel structure schematic diagram of the utility model;
Fig. 2 is the utility model scheme of installation;
Fig. 3 is the installation block diagram of Fig. 2.
The specific embodiment
For technological means, technical characterictic, utility model object and the technique effect that the utility model is realized is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Be illustrated in figure 1 a kind of preposition half guide wheel of the present utility model, comprise preposition half conduit 100 and a plurality of inlet guide vane sheet 200, the tube wall of described preposition half conduit 100 axially part is breach 101, and down, its breach 101 sizes account for 1/4 circumferential left and right of conduit to this breach 101.
As Fig. 2 and Fig. 3, one end 201 of inlet guide vane sheet 200 is circumferentially arranged on the inwall of preposition half conduit 100, and the other end 202 is connected with hull afterbody 300.Inlet guide vane sheet 200 is fan-shaped distribution, adopts different angle of attack designs simultaneously, and its distribution and the angle of attack are generally determined according to screw propeller and hull 300.The top of preposition half conduit 100 joins with hull 300 by a pair of horizontal plate 103 by horizontal wing plate 102, below, and the horizontal center line 104 of preposition half conduit 100 is higher than screw propeller oar shaft centre line 105 as we know from the figure.Inlet guide vane sheet 200 can make the generation of screw propeller influent stream prewhirl, thereby reduces the loss of screw propeller rotating energy.
In the utility model, the maximum gauge of preposition half conduit 100 is less than the diameter of screw propeller, and preposition half conduit 100 eye diameters are greater than outlet diameter.The diameter D of screw propeller of take is benchmark, and preposition half conduit 100 eye diameters are generally taken as 0.65-0.75D, and outlet diameter is taken as 0.6-0.7D, and conduit angle of throat is not more than 15 °.The chord length of preposition half conduit 100 is generally taken as 0.2-0.4D, and sectional thickness is 0.10-0.15L left and right.It is 0-5 ° that simultaneously preposition half conduit 100 is installed vertical inclination angle.
Generally speaking, the chord length of inlet guide vane sheet 200 is less than preposition half conduit 100 chord lengths, be 0.15-0.25D, and each inlet guide vane sheet 200 length is all not identical, according to distance between preposition half conduit 100 and hull, determines.
Known referring to Fig. 1, preposition half guide wheel is installed on the afterbody of hull 300, before being positioned at screw propeller.Simultaneously from accompanying drawing 2, each inlet guide vane sheet 200 is in the regularity of distribution of preposition half conduit 100 inner sides, for clockwise propeller, three inlet guide vane sheets 200 of the general layout of hull port side, starboard side is arranged two inlet guide vane sheets 200, and the distribution angle during each inlet guide vane sheet 200 and preposition half guide wheel are vertical between position sees the following form 1.Meanwhile, each stator has the different angles of attack, and its windup-degree (all take stator blade face as benchmark) can see the following form 1.
Table 1
Note: (1) take oar shaft centre line as S. A., is seen towards bow by stern, and conter clockwise is for just;
(2) take blade face lagging edge, to point to guide wheel center position be S. A..
As shown in Figure 1, preposition half guide wheel that this embodiment bulge carrier is installed, through overtesting, obtaining its energy-saving effect is 5.2%,, in the situation that main engine power is constant, can improve speed of a ship or plane 0.23kn, or in the situation that keeping the speed of a ship or plane constant, can reduce main frame energy consumption 5.2%.
Thereby this ship daily can be saved fuel oil 1.6ton, can save every year approximately 1,600,000 yuan of fuel costs, recoverable cost of investment within half a year, has extraordinary economic benefit and application value.
Be only the utility model preferred embodiment in sum, be not used for limiting practical range of the present utility model.Be that all equivalences of doing according to the content of the utility model claim change and modify, all should belong to technology category of the present utility model.
Claims (6)
1. preposition half guide wheel, is characterized in that: comprise preposition half conduit and a plurality of inlet guide vane sheet, the tube wall of described preposition half conduit axially part is breach; One end of described inlet guide vane sheet is circumferentially arranged on the inwall of preposition half conduit, and the other end is connected with hull afterbody.
2. preposition half guide wheel according to claim 1, is characterized in that: down, the vertical inclination angle that described preposition half conduit is installed is 0-5 ° to the breach of described preposition half conduit.
3. preposition half guide wheel according to claim 1 and 2, is characterized in that: the eye diameter of described preposition half conduit is greater than its outlet diameter.
4. preposition half guide wheel according to claim 3, is characterized in that: described eye diameter is diameter of propeller 0.65～0.75 times, outlet diameter is diameter of propeller 0.6～0.7 times.
5. preposition half guide wheel according to claim 1, is characterized in that: while arranging between described inlet guide vane sheet, be mutually different angles.
6. preposition half guide wheel according to claim 1, is characterized in that: described inlet guide vane sheet chord length is less than described preposition half conduit chord length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320386570.XU CN203497160U (en) | 2013-07-01 | 2013-07-01 | Front half guide wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320386570.XU CN203497160U (en) | 2013-07-01 | 2013-07-01 | Front half guide wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203497160U true CN203497160U (en) | 2014-03-26 |
Family
ID=50328159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320386570.XU Expired - Lifetime CN203497160U (en) | 2013-07-01 | 2013-07-01 | Front half guide wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203497160U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103342162A (en) * | 2013-07-01 | 2013-10-09 | 中国船舶科学研究中心上海分部 | Front half guide wheel |
-
2013
- 2013-07-01 CN CN201320386570.XU patent/CN203497160U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103342162A (en) * | 2013-07-01 | 2013-10-09 | 中国船舶科学研究中心上海分部 | Front half guide wheel |
| CN103342162B (en) * | 2013-07-01 | 2016-12-28 | 中国船舶科学研究中心上海分部 | Front half guide wheel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103342162A (en) | Front half guide wheel | |
| CN202368778U (en) | Combined energy-saving transport ship | |
| CN202593838U (en) | Ship hydrodynamic front guide wheel energy-saving device | |
| CN103332281A (en) | Pre-rotation triangular conduit for right-handed rotation single screw vessel | |
| CN103661898A (en) | Triangle front-arranged guide wheel | |
| CN110937090A (en) | Ship propelling mechanism | |
| CN111114728A (en) | Ship propeller back-saving vortex-eliminating boosting impeller device | |
| CN106043641A (en) | Annular flow guide gate for ship | |
| CN203497160U (en) | Front half guide wheel | |
| CN203497161U (en) | Front guide wheel | |
| CN102381463B (en) | Reaction fin in front of propeller | |
| CN203358855U (en) | Prerotation triangular guide pipe for right-rotating single-propeller ship | |
| CN202244050U (en) | Reaction fin in front of oar | |
| CN103332280A (en) | Radiance type preposed guide wheel | |
| CN104002950A (en) | Novel energy-saving pre-swirled wake-equalizing duct for fishing boat | |
| CN209757490U (en) | Energy-saving semi-guide wheel in front of paddle | |
| CN203698635U (en) | Triangular front-mounted guide wheel | |
| CN203937848U (en) | Stator before rotor structure before ship propeller | |
| CN109606596A (en) | Energy saving half guide wheel before a kind of paddle | |
| CN105346698A (en) | Efficient energy-saving guide wheel | |
| CN206171774U (en) | Contrarotating propeller suitable for single tail ship type | |
| CN102673758B (en) | Propeller with convex and concave guide edge | |
| CN211844865U (en) | Ship propeller back-saving vortex-eliminating boosting impeller device | |
| CN210191740U (en) | Energy-saving hydrofoil for thin and small stern ship | |
| CN203473229U (en) | Kamsarmax bulk carrier with propeller containing energy-saving conduit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CSIC (SHANGHAI) ENERGY-SAVING TECHNOLOGY DEVELOPME Free format text: FORMER OWNER: CHINA SHIP SCIENTIFIC RESEARCH CENTER SHANGHAI BRANCH Effective date: 20150804 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150804 Address after: 200011, room 312, 313, 189 Kaohsiung Road, Shanghai, Huangpu District Patentee after: CSIC (SHANGHAI) ENERGY SAVING TECHNOLOGY DEVELOPMENT CO.,LTD. Address before: 200011 Kaohsiung Road, Shanghai, No. 185, No. Patentee before: CHINA SHIP SCIENTIFIC RESEARCH CENTER SHANGHAI DIVISION |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140326 |