CN103863541A - Ship propulsion system - Google Patents
Ship propulsion system Download PDFInfo
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- CN103863541A CN103863541A CN201410130321.3A CN201410130321A CN103863541A CN 103863541 A CN103863541 A CN 103863541A CN 201410130321 A CN201410130321 A CN 201410130321A CN 103863541 A CN103863541 A CN 103863541A
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- propeller
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- ship
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Abstract
The invention discloses a ship propulsion system, and belongs to the technical field of ships. The ship propulsion system mainly comprises a propeller, a propeller guide pipe, water inlets and a water guide pipeline. The propeller is arranged in the propeller guide pipe. Both the propeller guide pipe and the water guide pipeline are arranged inside a ship body. The one or more water inlets of the water guide pipeline are formed in the portion, between propeller and the head of a ship, of a shell of the shop body. A water drainage opening of the propeller guide pipe is formed in the tail portion of the ship body. The propeller is a screw propeller or a water pump. The water inlets of the water guide pipeline can be formed in multiple modes. Water flow on the front portion of the ship body is directly guided to the propeller, accelerated through the propeller and then discharged out of the rear portion of the ship body, and therefore advancing power can be provided for the ship body, and on the contrary, retreating power is provided for the ship body. According to the ship propulsion system, the water inlet method of the propeller is changed, the vortex resistance on the tail portion of the ship body is greatly reduced, the thrust of the propeller of the ship is improved, and the ship navigation resistance is reduced.
Description
Technical field
The present invention relates to technical field of ships, be specifically related to a kind of marine propuision system.
Background technology
Existing boats and ships navigate by water in water, and current are in the time of boats and ships, and because the discharge flow cross section at boats and ships head and the tail two ends is large, and the discharge flow cross section of midships section is little, and according to fluid continuity and Bernou1li equation, bow water velocity is little, and pressure is high; Midships section water velocity is large, and pressure is low; Stern water velocity is little, and pressure is high.Made the kinetic energy of deposit reduce by bow to the acceleration of midships section current, while continuing to flow to stern, arrived ship caudal end water velocity and leveled off to zero; After forming ship, have part hydrone to stagnate, be subject to the High Pressure of stern simultaneously, near the current of hull surface are produced and flow backwards, thereby produce whirlpool, the generation of whirlpool has reduced the pressure of stern, has formed difference of pressure like this with bow, has also just produced whirlpool resistance.
Summary of the invention
The object of the present invention is to provide a kind of marine propuision system, it,, by improving angle of rake water intake mode, reduces the whirlpool resistance of hull afterbody greatly, improves the thrust of marine propeller and reduces ship resistance.
Concrete technical scheme of the present invention is: a kind of marine propuision system, and it mainly comprises the compositions such as propelling unit, propelling unit conduit, water inlet and conduit pipe, described propelling unit is arranged in propelling unit conduit; Described propelling unit conduit and conduit pipe are all arranged on the inside of hull; The water inlet of described conduit pipe is opened in propelling unit to the ship outer casing between bow, and described water inlet has one or several; The discharge port of described propelling unit conduit is opened in the afterbody of hull.Described propelling unit is screw propeller or water pump.The application first directly drains into propelling unit by the current of fore-body, then discharges by the backward afterbody of angle of rake acceleration, for hull provides the power advancing; Otherwise, for hull provides the power retreating.
For the following several schemes of being designed with of water inlet:
Scheme one: the right and left at ship outer casing is all offered water inlet, and water inlet is positioned under the water surface when unloaded.
Scheme two: offer one, two or more water inlet at the bow place of ship outer casing, and water inlet is positioned under the water surface when unloaded.
Scheme three: the right and left and bow place at ship outer casing all offer water inlet, and water inlet is positioned under the water surface when unloaded.
Scheme four: the boat bottom at ship outer casing is offered water inlet.
Scheme five: all offer water inlet in the boat bottom of ship outer casing and the right and left of ship outer casing, and water inlet is positioned under the water surface when unloaded.
Beneficial effect of the present invention is:
One, at the bow of hull or the right and left of hull, water is introduced in hull until screw propeller (propelling unit) reduces the whirlpool resistance of hull afterbody greatly, can also be improved angle of rake thrust simultaneously.
Two, because the screw propeller of boats and ships is arranged on hull afterbody, can be arranged in propelling unit conduit, propelling unit conduit is directly installed in the body of hull afterbody, the total thrust that the total thrust of hull equals screw propeller adds the thrust that the kinetic energy of current itself produces, thereby improve efficiency, in stormy waves, there is good performance, and ensure that screw propeller is difficult for being damaged.
Three, improve the stability of boats and ships.
Brief description of the drawings
Fig. 1 introduces water in hull until the main cutaway view of screw propeller from the right and left of bow and hull simultaneously.
Fig. 2 introduces water in hull until screw propeller vertical view cutaway drawing from the right and left of the import of bow list and hull simultaneously.
Fig. 3 introduces water in hull until screw propeller vertical view cutaway drawing from the right and left of bow double feed inlet and hull simultaneously.
Fig. 4 is for to introduce in hull water until the main cutaway view of screw propeller from bow.
Fig. 5 is for to introduce in hull water until screw propeller vertical view cutaway drawing from the import of bow list.
Fig. 6 is for to introduce in hull water until screw propeller vertical view cutaway drawing from bow double feed inlet.
Fig. 7 introduces in hull water until the main cutaway view of screw propeller from the right and left of hull.
Fig. 8 introduces in hull water until screw propeller vertical view cutaway drawing figure from the right and left of hull.
Fig. 9 is for to introduce in hull water until screw propeller master looks cutaway view from hull bottom.
Figure 10 is for to introduce in hull water until screw propeller vertical view cutaway drawing from hull bottom.
Figure 11 introduces water in hull until screw propeller master looks cutaway view from the right and left of hull bottom and hull simultaneously.
Figure 12 introduces water in hull until screw propeller vertical view cutaway drawing from the right and left of hull bottom and hull simultaneously.
Label declaration: 1-screw propeller 2-screw propeller tailing axle 3-conduit pipe 4-water inlet 5-propelling unit conduit 6-combustion engine.
Detailed description of the invention
For above-mentioned technology contents of the present invention and construction features can more easily be understood by persons skilled in the art, below in conjunction with accompanying drawing and technical essential to the application's further instruction.
As shown in Fig. 1 ~ Figure 12, the flow direction of current when the direction of arrow all represents that hull advances in figure.The present invention relates to a kind of marine propuision system, it is to be mainly made up of propelling unit and water pipe.For the purpose of simplifying the description, described propelling unit illustrates as an example of screw propeller 1 example, and described screw propeller 1 is to be driven by screw propeller tailing axle 2 by combustion engine, and described water pipe comprises with the conduit pipe 3 of water inlet 4 with the propelling unit conduit 5 of discharge port.Specific embodiments: described screw propeller is arranged in propelling unit conduit 5; Described conduit pipe 3 and propelling unit conduit 5 are arranged on the inside of hull; Described water inlet is opened in propelling unit to the ship outer casing between bow, and when described water inlet is positioned at ship in ballast, under the water surface, described water inlet has one or several; The discharge port of described propelling unit conduit 5 is opened in the afterbody of hull.Described screw propeller is positioned at propelling unit conduit.
For the following several schemes of being designed with of water inlet:
One, the bow of hull and the right and left of hull are respectively offered a water inlet, water are introduced in hull until screw propeller (seeing shown in Fig. 1, Fig. 2, Fig. 3) simultaneously.The concrete plan of establishment also can be established following two kinds:
Scheme one: bow arranges the right and left of two water inlets and hull and respectively offers a water inlet, four water inlets are introduced water in hull until screw propeller (as shown in Figure 3) simultaneously, current, after the acceleration of screw propeller, are discharged, backward for hull provides the power advancing.
Scheme two: the bow of hull arranges the right and left of single water inlet and hull and respectively offers a water inlet, three water inlets are introduced water in hull until screw propeller (as shown in Figure 2) simultaneously, current, after the acceleration of screw propeller, are discharged, backward for hull provides the power advancing.
Two, a pipeline in the bow of hull introducing hull is until screw propeller (seeing shown in Fig. 4, Fig. 5 and Fig. 6).The concrete plan of establishment also can be established following two kinds:
Scheme one: the single water inlet of bow is introduced in hull by water until screw propeller (as shown in Figure 5), and current, after the acceleration of screw propeller, are discharged, backward for hull provides the power advancing.
Scheme two: bow arranges that two water inlets are introduced water in hull until screw propeller (as shown in Figure 6), and current, after the acceleration of screw propeller, are discharged, backward for hull provides the power advancing.
Three, from the right and left of hull, water is introduced in hull until screw propeller (seeing shown in Fig. 7 and Fig. 8).
Four, from hull bottom, water is introduced in hull until screw propeller (seeing shown in Fig. 9 and Figure 10).
Five, water is introduced in hull until screw propeller (seeing shown in Figure 11 and Figure 12) from the right and left of hull bottom and hull simultaneously.
Principle of work:
The screw propeller of boats and ships is arranged in the propelling unit conduit of hull afterbody, the water inlet of screw propeller is by the right and left of the boat bottom of hull or bow or hull, water to be introduced in hull until screw propeller, promote current by the rotation of screw propeller again and flow to hull afterbody through propelling unit conduit, constantly supplement the advance current of the hull afterbody in process of boats and ships, reduce the generation of eddy current, propelling unit conduit is just thrust and the propeller thrust sum of water pipe, has therefore increased thrust, thereby has improved efficiency.Otherwise when boats and ships fall back, the direction of screw propeller rotation is contrary when advancing, current are flow to by the afterbody discharge port of hull, rotate water inlet when water is advanced discharged to boats and ships, thereby promotion boats and ships retreat by screw propeller.
Propelling unit is similar with the situation of water pump and above-mentioned screw propeller, is not just repeating here.
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes specification sheets of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, include in scope of patent protection of the present invention.
Claims (7)
1. a marine propuision system, it mainly comprises propelling unit, propelling unit conduit, water inlet and conduit pipe composition, it is characterized in that: described propelling unit is arranged in propelling unit conduit; Described propelling unit conduit and conduit pipe are all arranged on the inside of hull; The water inlet of described conduit pipe is opened in propelling unit to the ship outer casing between bow, and described water inlet has one or several; The discharge port of described propelling unit conduit is opened in the afterbody of hull.
2. marine propuision system according to claim 1, is characterized in that: described propelling unit is screw propeller or water pump.
3. marine propuision system according to claim 1, is characterized in that: the right and left at ship outer casing is all offered water inlet.
4. marine propuision system according to claim 1, is characterized in that: offer one, two or more water inlet at the bow place of ship outer casing.
5. marine propuision system according to claim 1, is characterized in that: the right and left and bow place at ship outer casing all offer water inlet.
6. marine propuision system according to claim 1, is characterized in that: the boat bottom at ship outer casing is offered water inlet.
7. marine propuision system according to claim 1, is characterized in that: all offer water inlet in the boat bottom of ship outer casing and the right and left of ship outer casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410130321.3A CN103863541A (en) | 2014-04-02 | 2014-04-02 | Ship propulsion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410130321.3A CN103863541A (en) | 2014-04-02 | 2014-04-02 | Ship propulsion system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103863541A true CN103863541A (en) | 2014-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410130321.3A Pending CN103863541A (en) | 2014-04-02 | 2014-04-02 | Ship propulsion system |
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| Country | Link |
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| CN (1) | CN103863541A (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105711792A (en) * | 2016-02-04 | 2016-06-29 | 许爱军 | Ship |
| CN104149927B (en) * | 2014-08-16 | 2016-08-17 | 王承辉 | Operate steadily does not sinks environment protection ship |
| CN106628082A (en) * | 2015-11-04 | 2017-05-10 | 税小雷 | Resistance converted into power |
| CN106741786A (en) * | 2017-01-19 | 2017-05-31 | 罗朝霞 | Hydraulic propeller |
| CN108016565A (en) * | 2017-11-27 | 2018-05-11 | 深圳市山年科技有限公司 | Ship |
| CN108032980A (en) * | 2017-11-29 | 2018-05-15 | 夏飞 | The ship that water suction traction is advanced |
| CN108773469A (en) * | 2018-06-26 | 2018-11-09 | 李新亚 | Hydraulic jet propulsion is without rudder drag reduction boat |
| CN109131806A (en) * | 2018-09-19 | 2019-01-04 | 浙江汉诺光电科技有限公司 | Culvert type marine propeller |
| CN109278968A (en) * | 2018-11-26 | 2019-01-29 | 付政 | A kind of ship universal power mechanism |
| CN110254674A (en) * | 2019-07-03 | 2019-09-20 | 唐山海庞科技有限公司 | Without resonance magnetic suspension quiet submarine propeller |
| CN110758703A (en) * | 2019-12-05 | 2020-02-07 | 杨昆 | Ship propulsion system and ship |
| CN110871878A (en) * | 2019-11-21 | 2020-03-10 | 武汉理工大学 | Novel water jet propulsion device |
| CN110979585A (en) * | 2019-12-31 | 2020-04-10 | 张丽英 | Rudderless self-stabilizing ship |
| CN111874155A (en) * | 2020-08-05 | 2020-11-03 | 徐兰萍 | Method for solving problems in ship navigation |
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| CN2209646Y (en) * | 1993-09-08 | 1995-10-11 | 田文禄 | Self-sucking, water jet propulsive apparatus |
| CN2316251Y (en) * | 1998-02-25 | 1999-04-28 | 刘殿伶 | Turbine propelling ship |
| CN1287081A (en) * | 1999-11-16 | 2001-03-14 | 潘军余 | New navigation speed method for motor ship |
| WO2003101829A1 (en) * | 2002-05-29 | 2003-12-11 | Siemens Aktiengesellschaft | High-speed sea-going ship comprising a double hull and a waterjet drive |
| CN1508043A (en) * | 2002-12-13 | 2004-06-30 | 易元明 | Method and apparatus for utilizing positive acting force of marine power |
| CN202046434U (en) * | 2011-04-25 | 2011-11-23 | 杨政委 | Ship with standby power propulsion device |
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2014
- 2014-04-02 CN CN201410130321.3A patent/CN103863541A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2209646Y (en) * | 1993-09-08 | 1995-10-11 | 田文禄 | Self-sucking, water jet propulsive apparatus |
| CN2316251Y (en) * | 1998-02-25 | 1999-04-28 | 刘殿伶 | Turbine propelling ship |
| CN1287081A (en) * | 1999-11-16 | 2001-03-14 | 潘军余 | New navigation speed method for motor ship |
| WO2003101829A1 (en) * | 2002-05-29 | 2003-12-11 | Siemens Aktiengesellschaft | High-speed sea-going ship comprising a double hull and a waterjet drive |
| CN1508043A (en) * | 2002-12-13 | 2004-06-30 | 易元明 | Method and apparatus for utilizing positive acting force of marine power |
| CN202046434U (en) * | 2011-04-25 | 2011-11-23 | 杨政委 | Ship with standby power propulsion device |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104149927B (en) * | 2014-08-16 | 2016-08-17 | 王承辉 | Operate steadily does not sinks environment protection ship |
| CN106628082A (en) * | 2015-11-04 | 2017-05-10 | 税小雷 | Resistance converted into power |
| CN105711792A (en) * | 2016-02-04 | 2016-06-29 | 许爱军 | Ship |
| CN106741786A (en) * | 2017-01-19 | 2017-05-31 | 罗朝霞 | Hydraulic propeller |
| CN108016565A (en) * | 2017-11-27 | 2018-05-11 | 深圳市山年科技有限公司 | Ship |
| CN108032980A (en) * | 2017-11-29 | 2018-05-15 | 夏飞 | The ship that water suction traction is advanced |
| CN108773469A (en) * | 2018-06-26 | 2018-11-09 | 李新亚 | Hydraulic jet propulsion is without rudder drag reduction boat |
| WO2020057340A1 (en) * | 2018-09-19 | 2020-03-26 | 浙江唯海科技有限公司 | Ducted marine propeller |
| CN109131806A (en) * | 2018-09-19 | 2019-01-04 | 浙江汉诺光电科技有限公司 | Culvert type marine propeller |
| CN109131806B (en) * | 2018-09-19 | 2020-07-17 | 浙江唯海科技有限公司 | Ducted ship propeller |
| CN109278968A (en) * | 2018-11-26 | 2019-01-29 | 付政 | A kind of ship universal power mechanism |
| CN109278968B (en) * | 2018-11-26 | 2024-02-06 | 付政 | General power mechanism of boats and ships |
| CN110254674A (en) * | 2019-07-03 | 2019-09-20 | 唐山海庞科技有限公司 | Without resonance magnetic suspension quiet submarine propeller |
| CN110871878A (en) * | 2019-11-21 | 2020-03-10 | 武汉理工大学 | Novel water jet propulsion device |
| CN110871878B (en) * | 2019-11-21 | 2021-05-18 | 武汉理工大学 | Novel water jet propulsion device |
| CN110758703A (en) * | 2019-12-05 | 2020-02-07 | 杨昆 | Ship propulsion system and ship |
| CN110979585A (en) * | 2019-12-31 | 2020-04-10 | 张丽英 | Rudderless self-stabilizing ship |
| CN110979585B (en) * | 2019-12-31 | 2020-11-03 | 张丽英 | Rudderless self-stabilizing ship |
| CN111874155A (en) * | 2020-08-05 | 2020-11-03 | 徐兰萍 | Method for solving problems in ship navigation |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140618 |