CN205131607U - Boats and ships are with symmetrical type doublestage advancing device - Google Patents
Boats and ships are with symmetrical type doublestage advancing device Download PDFInfo
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- CN205131607U CN205131607U CN201520852956.4U CN201520852956U CN205131607U CN 205131607 U CN205131607 U CN 205131607U CN 201520852956 U CN201520852956 U CN 201520852956U CN 205131607 U CN205131607 U CN 205131607U
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- screw propeller
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- propeller
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Abstract
The utility model provides a boats and ships are with symmetrical type doublestage advancing device, relates to a marine propulsion means, including left front engine, right front engine, left rear engine, right rear engine, left front screw, right front screw, left aft propeller, right aft propeller and square pipe shape shell. The inside at the square pipe shape shell is installed to left front screw, right front screw, two bisymmetries of left aft propeller and right aft propeller. The rotation plane of left front screw is not more than 150 with the contained angle of rotation plane in the place ahead of right front screw. All roof and bottom plate with the square pipe shape shell are all perpendicular on left front screw, right front screw, left aft propeller and right aft propeller's rotation plane. Left front screw, right front screw, left aft propeller and right aft propeller rotate under the drive of power, with extruding in the water inspiration square pipe shape shell in the place ahead then from the rear of square pipe shape shell. Compare with traditional marine propulsor, thrust is big, and is efficient, and the resistance is little.
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 β in the wings 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 |
|---|---|---|---|
| CN201520852956.4U CN205131607U (en) | 2015-10-30 | 2015-10-30 | Boats and ships are with symmetrical type doublestage advancing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520852956.4U CN205131607U (en) | 2015-10-30 | 2015-10-30 | Boats and ships are with symmetrical type doublestage advancing device |
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| Publication Number | Publication Date |
|---|---|
| CN205131607U true CN205131607U (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520852956.4U Active CN205131607U (en) | 2015-10-30 | 2015-10-30 | Boats and ships are with symmetrical type doublestage advancing device |
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| CN (1) | CN205131607U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105270588A (en) * | 2015-10-30 | 2016-01-27 | 佛山市神风航空科技有限公司 | Symmetric double-stage propelling device for ship |
-
2015
- 2015-10-30 CN CN201520852956.4U patent/CN205131607U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105270588A (en) * | 2015-10-30 | 2016-01-27 | 佛山市神风航空科技有限公司 | Symmetric double-stage propelling device for ship |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200115 Address after: 222100 Huangzhuang village, Chengxi Town, Ganyu District, Lianyungang City, Jiangsu Province Patentee after: Lianyungang Ganyu Yuxiang Machinery Co., Ltd Address before: Foshan City, Guangdong province 528500 city streets Gaoming District No. 78 Jiangwan Road, room 402 Fu Wan Patentee before: Shenfeng science and technology of aviation Co., Ltd of Foshan City |
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| TR01 | Transfer of patent right |