CN103895850B - A kind of combined energy-saving bracing strut device - Google Patents
A kind of combined energy-saving bracing strut device Download PDFInfo
- Publication number
- CN103895850B CN103895850B CN201410117103.6A CN201410117103A CN103895850B CN 103895850 B CN103895850 B CN 103895850B CN 201410117103 A CN201410117103 A CN 201410117103A CN 103895850 B CN103895850 B CN 103895850B
- Authority
- CN
- China
- Prior art keywords
- bracing strut
- mozzle
- bossing
- propeller
- bracing
- 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.)
- Active
Links
Landscapes
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The present invention is to provide a kind of combined energy-saving bracing strut device.Including mozzle, bracing strut and bossing, the bracing strut includes three, mozzle upper end is provided with two holes, bottom is provided with a mounting hole, two Kong Bingyu bossings of the lower end of the first bracing strut and the second bracing strut through mozzle upper end are fixed, the upper end of first bracing strut and the second bracing strut is fixedly mounted on hull bottom, the upper end of 3rd bracing strut is fixedly connected with bossing, in the mounting hole of lower end insertion mozzle bottom, and bossing is enclosed in paddle shaft and before propeller.The present invention by way of the bracing strut installing mozzle and aerofoil profile before oar combines, makes the influent stream of oar be improved, so as to improve the propeller propulsive efficiency under identical operating mode on the premise of ensureing to have conventional marine propeller propulsive performance.
Description
Technical field
The present invention relates to a kind of ship shaft holder device.
Background technology
The effect of propeller mainly ensures the thrust of ship, and with the development of all kinds of novel ships, propeller is pushed away
The requirement for entering performance also gradually steps up.And Hydrodynamic Performance on Propeller, vacuole, noise and induction exciting force etc. with incoming before oar
Characteristic have a direct relation, thus propose that the ship such as " ship energy saving emission reduction " and " green ship " develops in nowadays international shipping circle
Under the overall situation of new ideas, it will be highly desirable and very significant to develop combined energy-saving bracing strut device before a kind of oar
's.
The content of the invention
It is an object of the invention to provide a kind of influent stream that can improve oar, the combined type section of propeller propulsive efficiency is improved
Can bracing strut device.
The object of the present invention is achieved like this：
Including mozzle, bracing strut and bossing, the bracing strut includes three, and mozzle upper end is provided with two holes, bottoms
Hold and be provided with a mounting hole, the lower end of the first bracing strut and the second bracing strut passes through two Kong Bingyu bossings of mozzle upper end
Fixed, the upper end of the first bracing strut and the second bracing strut is fixedly mounted on hull bottom, the upper end of the 3rd bracing strut and bossing
It is fixedly connected, in the mounting hole of lower end insertion mozzle bottom, bossing is enclosed in paddle shaft and before propeller.
The present invention can also include：
1st, the section of the bracing strut is asymmetric airfoil type section, and keeps certain angle of attack with incoming.
2nd, certain angle of attack is 5 degree.
3rd, the mozzle is acceleration duct, and admission inlet is exported more than wake flow, and mozzle inner radial is shunk.
The invention provides a kind of energy-saving bracing strut device peculiar to vessel.Ensureing that there is conventional marine propeller pushability
On the premise of energy, by way of the bracing strut installing mozzle and aerofoil profile before oar combines, make the influent stream of oar be improved,
So as to improve the propeller propulsive efficiency under identical operating mode.
The intake-outlet of the new attached body device of propulsion energy-saving has installed additional new on the basis of original conventional propeller
After bracing strut and preposition mozzle, the non-homogeneous influent stream of propeller is improved on the basis of relatively original, passes through support and conduit
Rectified action, and then improve propeller propulsive efficiency.
Brief description of the drawings
Fig. 1 is that the three-dimensional of the combined energy-saving bracing strut device of the present invention faces schematic layout pattern；
Fig. 2 is Fig. 1 partial sectional view；
Fig. 3 is the schematic diagram of bracing strut device；
Fig. 4 is the central fore-and-aft vertical plane schematic diagram of mozzle；
Fig. 5 is bracing strut airfoil type schematic cross section.
Embodiment
Illustrate below in conjunction with the accompanying drawings and the present invention is described in more detail：
With reference to Fig. 1, Fig. 2 and Fig. 3, the composition of combined energy-saving bracing strut device of the invention includes mozzle 8, first axle
Support 5, the second bracing strut 6, the 3rd bracing strut 7, bossing 4, paddle shaft 3 pass through the bracing strut 5 of bossing 4 and first, the second axle branch
Frame 6 is fixedly mounted on hull bottom 2, and propeller 9 is arranged on paddle shaft end and fixed by hub cap 10, and mozzle is installed on spiral
Three mounting holes are provided with front of oar and around bossing, bossing surface, mozzle upper end is provided with two holes, bottom is provided with one
Mounting hole, the mounting hole that the first bracing strut 5, the second bracing strut 6 are penetrated on mozzle and embedded bossing are installed, and simultaneously
Perforation with mozzle is fixed using bolt, and the one end of the 3rd bracing strut 7 insertion mozzle, the other end are fixedly connected with bossing,
The fixation of whole conduit is also ensure that after three bracing strut installations simultaneously.
In combination with Fig. 4, three bracing struts not only act as the effect of fixed diversion pipe and paddle shaft, and are formd with mozzle
One of fairing, propeller 9 is finally arranged on the end of paddle shaft 3, forms a set of new attached body device of energy-saving propulsion.Hull
Stern non-uniform wake enters mozzle 8 by admission inlet 12, flows through bracing strut, and formation propeller is new to be gone out to flow through wake flow
Mouth 13 is discharged.
The section of bracing strut is designed as asymmetric airfoil type section, and keeps certain angle of attack with incoming（5 degree）, water flows into
A preswirl opposite with itself direction of rotation of blade 9 can be obtained when entering propeller disk, propeller turns relative to fluid
Speed increase, the loss of the wake flow rotating energy of propeller are obviously reduced.When three bracing strut installation sites and hull wake
A extra-push model can also be obtained when coordinating preferable, substantially increases the propulsive efficiency of propeller.
Mozzle 8 is used as fixed device, and using acceleration duct, admission inlet 12 is big, and wake flow exports 13 small, water conservancy diversion
Pipe inner radial is shunk so that fluid speed after conduit is flowed through becomes big, greatly reduces the load coefficient and actual relative movement of propeller.
By the rectification of mozzle and bracing strut, the influent stream in former wake area has obtained effectively improving, and then improves the sky of propeller
Performance is steeped, improves its propulsive efficiency.
This new attached body device of propulsion energy-saving has installed aerofoil profile support and mozzle additional on the basis of original, improves
Propeller efficiency, technique makes and installation method is simple, and energy-conservation drag-reduction effect is good, by more oars of dual-use above water craft
Promote attached body system aspects that there is good actual application prospect.
Claims (1)
1. a kind of combined energy-saving bracing strut device, including mozzle, bracing strut and bossing, it is characterized in that：The bracing strut
Including three, mozzle upper end is provided with two holes, bottom is provided with the lower end of a mounting hole, the first bracing strut and the second bracing strut
Two Kong Bingyu bossings through mozzle upper end are fixed, and the upper end of the first bracing strut and the second bracing strut is fixedly mounted on ship
Body bottom, the upper end of the 3rd bracing strut are fixedly connected with bossing, in the mounting hole of lower end insertion mozzle bottom, bossing set
In paddle shaft and before propeller；The section of the bracing strut is asymmetric airfoil type section, and keeps the angle of attack with incoming
For 5 degree；The mozzle is acceleration duct, and admission inlet is exported more than wake flow, and mozzle inner radial is shunk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410117103.6A CN103895850B (en) | 2014-03-27 | 2014-03-27 | A kind of combined energy-saving bracing strut device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410117103.6A CN103895850B (en) | 2014-03-27 | 2014-03-27 | A kind of combined energy-saving bracing strut device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103895850A CN103895850A (en) | 2014-07-02 |
| CN103895850B true CN103895850B (en) | 2018-01-19 |
Family
ID=50987506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410117103.6A Active CN103895850B (en) | 2014-03-27 | 2014-03-27 | A kind of combined energy-saving bracing strut device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103895850B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104816783A (en) * | 2015-04-30 | 2015-08-05 | 中国船舶重工集团公司第七○二研究所 | Bracket locating method based on multi-screw ship double-arm bracket model vacuolus optimization technology |
| CN112693585B (en) * | 2021-01-15 | 2021-10-29 | 中国船舶科学研究中心 | Device for improving root cavitation of propeller for high-speed ship and using method thereof |
| CN113291449A (en) * | 2021-07-05 | 2021-08-24 | 上海船舶研究设计院（中国船舶工业集团公司第六0四研究院） | High-efficiency shaft support structure suitable for accompanying current |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101291658B1 (en) * | 2011-04-18 | 2013-08-01 | 삼성중공업 주식회사 | Propulsion body strut of the vessel and the vessel which has this |
| CN202170011U (en) * | 2011-07-29 | 2012-03-21 | 广州市番禺灵山造船厂有限公司 | Draft tube for an engineering salving vessel |
-
2014
- 2014-03-27 CN CN201410117103.6A patent/CN103895850B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN103895850A (en) | 2014-07-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202593838U (en) | Ship hydrodynamic front guide wheel energy-saving device | |
| CN100471755C (en) | Marine engine assembly including a cabin mountable under a ship's hull | |
| CN104112040B (en) | Efficient and high power density water jet propulsion pump hydraulic model peculiar to vessel design method | |
| CN202368778U (en) | Combined energy-saving transport ship | |
| CN205186495U (en) | Marine water -jet propulsion system | |
| CN107972837A (en) | Combined type pump-jet propulsor | |
| CN107676214A (en) | Rudder ball turbine generator after a kind of marine propeller | |
| CN107662693A (en) | A kind of PODDED PROPULSOR with conduit | |
| WO2007055813A3 (en) | Aerodynamic shroud having textured surface | |
| CN103895850B (en) | A kind of combined energy-saving bracing strut device | |
| CN203958588U (en) | A kind of pod propulsion equipment | |
| CN205256630U (en) | Pipe type marine propeller | |
| CN106043641A (en) | Annular flow guide gate for ship | |
| KR102024176B1 (en) | Manufacturing method of twisted type rudder | |
| CN104061112A (en) | Flange power-generating water-spraying thruster | |
| JP5936033B2 (en) | Stern structure and ship | |
| CN106886630B (en) | Pump jet propeller hydraulic model with shunting short blades and design method | |
| WO2011102103A1 (en) | Thruster with duct attached and vessel comprising same | |
| CN107719610A (en) | A kind of ship turbine wheel rim generating towed PODDED PROPULSOR | |
| CN208306966U (en) | A kind of ship combination propulsion device | |
| CN209096990U (en) | A kind of guide plate type ring duct peculiar to vessel | |
| CN102673758B (en) | Propeller with convex and concave guide edge | |
| CN205931199U (en) | Marine annular airflow fence | |
| WO2012137144A1 (en) | Marine tunnel thruster | |
| CN203975209U (en) | Composite energy-saving device on a kind of rudder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |