CN105270588A - Symmetric double-stage propelling device for ship - Google Patents
Symmetric double-stage propelling device for ship Download PDFInfo
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- CN105270588A CN105270588A CN201510721059.4A CN201510721059A CN105270588A CN 105270588 A CN105270588 A CN 105270588A CN 201510721059 A CN201510721059 A CN 201510721059A CN 105270588 A CN105270588 A CN 105270588A
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- screw propeller
- driving engine
- propeller
- square
- tube
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Abstract
The invention provides a symmetric double-stage propelling device for a ship, which relates to ship propelling devices. The symmetric double-stage propelling device for the ship comprises a left front engine, a right front engine, a left rear engine, a right rear engine, a left front propeller, a right front propeller, a left rear propeller, a right rear propeller and a square tube-shaped housing. The left front propeller, the right front propeller, the left rear propeller and the right rear propeller are symmetrically mounted within the square tube-shaped housing in pairs. A front angle between the rotating plane of the left front propeller and the rotating plane of the right front propeller is not more than 150 DEG. The rotating planes of the left front propeller, the right front propeller, the left rear propeller and the right rear propeller are all vertical to a top plate and a bottom plate of the square tube-shaped housing. The left front propeller, the right front propeller, the left rear propeller and the right rear propeller rotate under the driving of power so as to suck the water ahead of them into the square tube-shaped housing and then extrude the water from the backside of the square tube-shaped housing. Compared with the traditional ship propeller, the symmetric double-stage propelling device for the ship, provided by the invention, has the advantages of large thrust face, high efficiency and low resistance.
Description
Technical field
A kind of boats and ships symmetric form twin-stage propelling unit, relates to a kind of marine propulsion, particularly relates to a kind of twin-stage marine propulsion.
Background technology
Traditional band cylinder propeller is columnar, and the plane of rotation of its blade is substantially vertical with the opening direction of shell, and sectional area is comparatively large, and resistance is comparatively large, and especially during high speed, resistance is larger, and owing to adopting single screw propeller, ratchet knob square is large, poor stability; Traditional twin-stage oar propelling unit, resistance is large, and the interference between two screw propellers is large, and efficiency is low.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, provide a kind of resistance less and the larger boats and ships symmetric form twin-stage propelling unit of the button square thrust of cancelling out each other.
Technical scheme of the present invention is: a kind of boats and ships symmetric form twin-stage propelling unit, comprises left front driving engine, right front driving engine, left back driving engine, right back driving engine, left front screw propeller, right front screw propeller, left back screw propeller, right back screw propeller and square-tube-shaped shell.Square-tube-shaped shell is surrounded by left plate, top board, right panel and base plate.Left front screw propeller is arranged on the output shaft of left front driving engine, and right front screw propeller is arranged on the output shaft of right front driving engine, and left back screw propeller is arranged on the output shaft of left back driving engine, and right back screw propeller is arranged on the output shaft of right back driving engine.Left front screw propeller, right front screw propeller, left back screw propeller are equal with right back diameter of propeller, and they are the symmetrical inside being arranged on square-tube-shaped shell between two.Left front driving engine, right front driving engine, left back driving engine are identical with the parameter of right back driving engine, and they are symmetrical by the inside of support installing at square-tube-shaped shell between two.The rotational plane of left front screw propeller and the rotational plane of right front screw propeller are not more than 150 ° at the angle in front, and the opening of this angle forward.The rearward angle of the rotational plane of left front screw propeller and the left plate of square-tube-shaped shell is not more than 75 °.Left front screw propeller, right front screw propeller, left back screw propeller are all vertical with base plate with the top board of square-tube-shaped shell with the rotational plane of right back screw propeller.The section of left front screw propeller, right front screw propeller, left back screw propeller and right back screw propeller is all aerofoil profile.Square-tube-shaped shell and left front screw propeller, right front screw propeller, left back screw propeller and right back screw propeller coordinate all compactly, and the minimum clearance between left front screw propeller and square-tube-shaped shell is less than 6mm.Left front screw propeller, right front screw propeller, left back screw propeller and the installation close to each other of right back screw propeller but can not touch.Can rotate in square-tube-shaped shell neatly at the front propeller of driving bottom left respectively of left front driving engine, right front driving engine, left back driving engine and right back driving engine, right front screw propeller, left back screw propeller and right back screw propeller.The direction of rotation of left front screw propeller and right front screw propeller, the direction of rotation of left back screw propeller and right back screw propeller, torque of cancelling out each other.
A kind of boats and ships of the present invention symmetric form twin-stage propelling unit is work like this: left front driving engine, right front driving engine, left back driving engine and right back driving engine drive left front screw propeller, right front screw propeller, left back screw propeller and right back propeller rotational respectively, then extrude in the water inspiration square-tube-shaped shell in front from the rear of square-tube-shaped shell in the combined action of left front screw propeller, right front screw propeller, left back screw propeller, right back screw propeller and square-tube-shaped shell.
The advantage of a kind of boats and ships of the present invention symmetric form twin-stage propelling unit is: compared with traditional propeller vessel ship propeller, when flow is identical, the angle of rake basal area of the present invention is much smaller, and efficiency is higher than traditional propeller, and during high speed, resistance is less; Advance great efforts; Good stability; Because four driving engines are all in square tube and will be fully cooled, efficiency and the service life of driving engine all increase.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of boats and ships symmetric form of the present invention twin-stage propelling unit, and Fig. 2 is the birds-eye view of Fig. 1.In figure: 1 is left front driving engine, 2 is right front driving engine, and 3 is left back driving engine, and 4 is right back driving engine; 5 is left front screw propeller, and 6 is right front screw propeller, and 7 is left back screw propeller, and 8 is right back screw propeller; 9 is square-tube-shaped shell; The path of motion at the tip of the left front screw propeller of 51 expression, the path of motion at the tip of the right front screw propeller of 61 expression, 10 represent streamlines; In Fig. 1, the hollow arrow in the upper left corner represents the working direction of propelling unit of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is illustrated: with reference to accompanying drawing, a kind of boats and ships symmetric form twin-stage propelling unit, comprises left front driving engine 1, right front driving engine 2, left back driving engine 3, right back driving engine 4, left front screw propeller 5, right front screw propeller 6, left back screw propeller 7, right back screw propeller 8 and square-tube-shaped shell 9.Square-tube-shaped shell 9 is surrounded by left plate, top board, right panel and base plate.Left front screw propeller 5 is arranged on the output shaft of left front driving engine 1, and right front screw propeller 6 is arranged on the output shaft of right front driving engine 2, and left back screw propeller 7 is arranged on the output shaft of left back driving engine 3, and right back screw propeller 8 is arranged on the output shaft of right back driving engine 4.Left front screw propeller 5, right front screw propeller 6, left back screw propeller 7 and right back screw propeller 8 equal diameters, they are the symmetrical inside being arranged on square-tube-shaped shell 9 between two.Left front driving engine 1, right front driving engine 2, left back driving engine 3 and right back driving engine 4 all adopt electrical motor, and their parameter is identical, and they are symmetrical by the inside of support installing at square-tube-shaped shell 9 between two.The rotational plane of left front screw propeller 5 and the rotational plane of right front screw propeller 6 are 100 ° at the angle α in front.The rearward angle of the rotational plane of left front screw propeller 5 and the left plate of square-tube-shaped shell 9 is 50 °.The rotational plane of left back screw propeller 7 and the rotational plane of right back screw propeller 8 angle β are in the wings 100 °.Left front screw propeller 5, right front screw propeller 6, left back screw propeller 7 are all vertical with base plate with the top board of square-tube-shaped shell 9 with the rotational plane of right back screw propeller 8 four.The section of left front screw propeller 5, right front screw propeller 6, left back screw propeller 7 and right back screw propeller 8 four is all aerofoil profile.Square-tube-shaped shell 9 and left front screw propeller 5, right front screw propeller 6, left back screw propeller 7 and right back screw propeller 8 coordinate all compactly, and the minimum clearance between left front screw propeller 5 and square-tube-shaped shell 9 is 5mm.Left front screw propeller 5, right front screw propeller 6, left back screw propeller 7 and right back screw propeller 8 four installation close to each other but can not touch.Can rotate in square-tube-shaped shell 9 neatly at the front propeller of driving bottom left respectively 5 of left front driving engine 1, right front driving engine 2, left back driving engine 3 and right back driving engine 4, right front screw propeller 6, left back screw propeller 7 and right back screw propeller 8.The direction of rotation of left front screw propeller 5 and right front screw propeller 6, the direction of rotation of left back screw propeller 7 and right back screw propeller 8, torque of cancelling out each other.
Described propelling unit of the present invention is work like this: left front driving engine 1, right front driving engine 2, left back driving engine 3 and right back driving engine 4 drive left front screw propeller 5, right front screw propeller 6, left back screw propeller 7 and right back screw propeller 8 to rotate respectively, then extrude in the water inspiration square-tube-shaped shell 9 in front from the rear of square-tube-shaped shell 9 in the combined action of left front screw propeller 5, right front screw propeller 6, left back screw propeller 7, right back screw propeller 8 and square-tube-shaped shell 9.This propelling unit thrust is large, and efficiency is high, good stability.
Claims (5)
1. a boats and ships symmetric form twin-stage propelling unit, is characterized in that: comprise left front driving engine (1), right front driving engine (2), left back driving engine (3), right back driving engine (4), left front screw propeller (5), right front screw propeller (6), left back screw propeller (7), right back screw propeller (8) and square-tube-shaped shell (9); Square-tube-shaped shell (9) is surrounded by left plate, top board, right panel and base plate; Left front screw propeller (5) is arranged on the output shaft of left front driving engine (1), right front screw propeller (6) is arranged on the output shaft of right front driving engine (2), left back screw propeller (7) is arranged on the output shaft of left back driving engine (3), and right back screw propeller (8) is arranged on the output shaft of right back driving engine (4); Left front screw propeller (5), right front screw propeller (6), left back screw propeller (7) and right back screw propeller (8) equal diameters, they between two symmetry be arranged on the inside of square-tube-shaped shell (9); Left front driving engine (1), right front driving engine (2), left back driving engine (3) are identical with the parameter of right back driving engine (4) four, and they are symmetrical by the inside of support installing in square-tube-shaped shell (9) between two; The rotational plane of left front screw propeller (5) and the rotational plane of right front screw propeller (6) are not more than 150 ° at the angle in front; The rearward angle of the rotational plane of left front screw propeller (5) and the left plate of square-tube-shaped shell (9) is not more than 75 °; Left front screw propeller (5), right front screw propeller (6), left back screw propeller (7) are all vertical with base plate with the top board of square-tube-shaped shell (9) with the rotational plane of right back screw propeller (8) four; The section of left front screw propeller (5), right front screw propeller (6), left back screw propeller (7) and right back screw propeller (8) four is all aerofoil profile; Square-tube-shaped shell (9) all coordinates compact with left front screw propeller (5), right front screw propeller (6), left back screw propeller (7) and right back screw propeller (8); Left front screw propeller (5), right front screw propeller (6), left back screw propeller (7) and right back screw propeller (8) four installation close to each other but can not touch; Can rotate in square-tube-shaped shell (9) neatly at left front driving engine (1), right front driving engine (2), left back driving engine (3) and the front propeller of driving bottom left respectively (5) of right back driving engine (4), right front screw propeller (6), left back screw propeller (7) and right back screw propeller (8).
2. a kind of boats and ships symmetric form twin-stage propelling unit according to claim 1, is characterized in that, the rotational plane of left front screw propeller (5) and the rotational plane of right front screw propeller (6) are 100 ° at the angle (α) in front; The rearward angle of the rotational plane of left front screw propeller (5) and the left plate of square-tube-shaped shell (9) is 50 °; The rotational plane of left back screw propeller (7) and the rotational plane angle in the wings (β) of right back screw propeller (8) are 100 °.
3. a kind of boats and ships symmetric form twin-stage propelling unit according to claim 1, it is characterized in that, the minimum clearance between left front screw propeller (5) and square-tube-shaped shell (9) is less than 6mm.
4. a kind of boats and ships symmetric form twin-stage propelling unit according to claim 1, is characterized in that, the direction of rotation of left front screw propeller (5) and right front screw propeller (6), the direction of rotation of left back screw propeller (7) and right back screw propeller (8).
5. a kind of boats and ships symmetric form twin-stage propelling unit according to claim 1 or 2 or 3 or 4, it is characterized in that, left front driving engine (1), right front driving engine (2), left back driving engine (3) and right back driving engine (4) all adopt electrical motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510721059.4A CN105270588A (en) | 2015-10-30 | 2015-10-30 | Symmetric double-stage propelling device for ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510721059.4A CN105270588A (en) | 2015-10-30 | 2015-10-30 | Symmetric double-stage propelling device for ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105270588A true CN105270588A (en) | 2016-01-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510721059.4A Pending CN105270588A (en) | 2015-10-30 | 2015-10-30 | Symmetric double-stage propelling device for ship |
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| Country | Link |
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| CN (1) | CN105270588A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4637801A (en) * | 1984-07-12 | 1987-01-20 | William H. Flood | Thrust enhancing propeller duct assembly for water craft |
| CN1041732A (en) * | 1989-10-28 | 1990-05-02 | 上海交通大学 | The marine engaged pair of oar and the conduit that makes a variation thereof |
| CN1049826A (en) * | 1989-08-29 | 1991-03-13 | 黄云山 | Double-reaction full-swinging propelling device |
| CN1729123A (en) * | 2002-12-20 | 2006-02-01 | Abb有限公司 | Arrangement in a propulsion system |
| CN101282874A (en) * | 2005-07-05 | 2008-10-08 | 船用推进技术公司 | Multiple nozzle venturi system for watercraft |
| DE102010044435A1 (en) * | 2010-09-06 | 2012-03-08 | Lais Gmbh | drive |
| CN202429341U (en) * | 2011-12-07 | 2012-09-12 | 钟爱军 | Four-propeller linkage device |
| CN203946237U (en) * | 2014-07-07 | 2014-11-19 | 梁荣宇 | High-speed boat |
| CN204623814U (en) * | 2015-05-07 | 2015-09-09 | 赖萍生 | Ship shaft carries the multistage counter rotating propeller of conduit |
| CN205131607U (en) * | 2015-10-30 | 2016-04-06 | 佛山市神风航空科技有限公司 | Boats and ships are with symmetrical type doublestage advancing device |
-
2015
- 2015-10-30 CN CN201510721059.4A patent/CN105270588A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4637801A (en) * | 1984-07-12 | 1987-01-20 | William H. Flood | Thrust enhancing propeller duct assembly for water craft |
| CN1049826A (en) * | 1989-08-29 | 1991-03-13 | 黄云山 | Double-reaction full-swinging propelling device |
| CN1041732A (en) * | 1989-10-28 | 1990-05-02 | 上海交通大学 | The marine engaged pair of oar and the conduit that makes a variation thereof |
| CN1729123A (en) * | 2002-12-20 | 2006-02-01 | Abb有限公司 | Arrangement in a propulsion system |
| CN101282874A (en) * | 2005-07-05 | 2008-10-08 | 船用推进技术公司 | Multiple nozzle venturi system for watercraft |
| DE102010044435A1 (en) * | 2010-09-06 | 2012-03-08 | Lais Gmbh | drive |
| CN202429341U (en) * | 2011-12-07 | 2012-09-12 | 钟爱军 | Four-propeller linkage device |
| CN203946237U (en) * | 2014-07-07 | 2014-11-19 | 梁荣宇 | High-speed boat |
| CN204623814U (en) * | 2015-05-07 | 2015-09-09 | 赖萍生 | Ship shaft carries the multistage counter rotating propeller of conduit |
| CN205131607U (en) * | 2015-10-30 | 2016-04-06 | 佛山市神风航空科技有限公司 | Boats and ships are with symmetrical type doublestage advancing device |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160127 |
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| RJ01 | Rejection of invention patent application after publication |