CN106965914B - High-speed rear injection and integrated rotation type marine propulsion device - Google Patents
High-speed rear injection and integrated rotation type marine propulsion device Download PDFInfo
- Publication number
- CN106965914B CN106965914B CN201611202946.1A CN201611202946A CN106965914B CN 106965914 B CN106965914 B CN 106965914B CN 201611202946 A CN201611202946 A CN 201611202946A CN 106965914 B CN106965914 B CN 106965914B
- Authority
- CN
- China
- Prior art keywords
- blade
- shaft
- water
- propulsion device
- jet
- 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 - Fee Related
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H11/00—Marine propulsion by water jets
- B63H11/02—Marine propulsion by water jets the propulsive medium being ambient water
- B63H11/04—Marine propulsion by water jets the propulsive medium being ambient water by means of pumps
- B63H11/08—Marine propulsion by water jets the propulsive medium being ambient water by means of pumps of rotary type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H11/00—Marine propulsion by water jets
- B63H11/02—Marine propulsion by water jets the propulsive medium being ambient water
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/24—Vanes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D3/00—Axial-flow pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Hydraulic Turbines (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
Abstract
The present invention relates to a marine propulsion device that generates a propulsive force by flowing a fluid into a rotating propulsion device and then jetting the fluid backward at a high speed. The shaft, it installs in the vessel rotatably; a hollow main body fixed to the rear of the shaft so as to rotate integrally with the shaft; a blade part having one side fixed to one side of the shaft and the other side fixed to the hollow body, and rotating the blade part to allow water outside the propulsion device to flow into the water collecting space; a tapered water collecting space surrounded by the blade portions and forming a space having a narrow front and a wide rear; the shaft, the body, the blade portion, and the water collecting space rotate together, and water flowing into the water collecting space is ejected at a high speed toward the rear of the body. The water jet type water jet device is operated in a manner that a shaft, a main body (an expansion type accelerating part and a rear jet part) and a plurality of blades rotate integrally, water flows into an inner conical water collecting space while the blades rotate, the water is accelerated in the expansion type main body by front pressure, and the water is jetted at a high speed by the rear jet part.
Description
Technical Field
The present invention relates to a marine propulsion device that generates a propulsive force by flowing a fluid into a rotating propulsion device and then jetting the fluid backward at a high speed.
Background
The published patent No. 10-2011-: a hull fixing arm fixed to a hull of a ship and having an electrode line supply port for supplying a power line inside the hull fixing arm; a fixed shaft fixed to a lower side of the hull fixing arm and provided with a power line connection port connected to the electrode line supply port at an inner side thereof; a propeller installed to rotate around the fixed shaft; a stator supplied with power through a power line is attached to the fixed shaft, a permanent magnet is installed on the inner circumferential surface of the propeller corresponding to the stator, and the propeller rotates around the fixed shaft by the normal interaction of the stator and the permanent magnet.
Disclosure of Invention
(technical problem to be solved)
The invention aims to provide a ship propelling device of a high-speed rear jet and integral rotation mode, which generates propelling force by injecting fluid into a rotating propelling device at a high speed and then spraying the fluid backwards.
The object is to provide a ship propulsion device of a high-speed backward jet and integral rotation type, which is operated in a manner that a shaft, a main body (an expanding accelerating body and a backward jet main body) and a plurality of blades are integrally rotated, and water is made to flow into the interior of a conical content while the blades are rotated, and accelerated in the expanding main body by forward pressure, and is jetted at a high speed toward the backward jet main body.
(means for solving the problems)
The present invention provides a high-speed rear-jet and integral-rotation type marine propulsion device, comprising:
a shaft rotatably mounted in the vessel and rotated by a driving device;
a hollow main body fixed to the rear of a shaft so as to rotate integrally with the shaft;
a blade part having one side fixed to one side of the shaft and the other side fixed to the hollow body, and rotating the blade part to allow water outside the propulsion device to flow into the water collecting space;
a tapered water collecting space surrounded by the blade portions and forming a space having a narrow front and a wide rear;
the shaft, the body, the blade portion, and the water collecting space rotate together, and water flowing into the water collecting space is ejected at a high speed toward the rear of the body.
In addition, the blade portion includes at least two blades,
a water inflow seam is formed between the front end of the blade of one blade and the outer peripheral surface of the blade adjacent to the blade,
the blades are arc-shaped or spiral-shaped which are gradually expanded from the root parts of the blades to the front ends of the blades along the radius direction,
the blade has a shape in which the width thereof becomes wider from the front to the rear in the axial direction when viewed from the axial direction,
a front side of the blade having a narrow width is fixed to the front side of the shaft closer to the shaft than a rear side of the blade, a rear side of the blade having a wide width is fixed to the hollow type body farther from the shaft than the front side of the blade,
the water collecting space forms a conical space which becomes wider from front to back in the axial direction.
(effect of the invention)
According to the present invention, there is provided a propulsion device for a ship of a high-speed backward jet and integral rotation type for generating a propulsive force by causing a fluid to flow into the interior of a rotating propulsion device and then to be jetted backward at a high speed.
According to the present invention, there is provided a marine propulsion device of a high-speed backward jet and integral rotation type, which is operated such that a shaft, a main body (an expanding acceleration section, a backward jet section) and a plurality of blades rotate integrally, and water is made to flow into an inner conical water collecting space while the blades rotate, accelerated in the expanding main body by forward pressure, and jetted at a high speed by the backward jet section.
Drawings
Fig. 1 is a perspective view of a high-speed rear-jet and integral-rotation type marine propulsion device according to an embodiment of the present invention.
FIG. 2a is a perspective view of the internal projection of a high-speed rear-jet and integral-rotation marine propulsion device according to an embodiment of the present invention
Fig. 2b is a partially cut-away view of a high-speed rear-jet and integral-rotation type marine propulsion device according to an embodiment of the present invention.
Fig. 3a is a side view of a high-speed rear-jet and integral-rotation type marine propulsion device according to an embodiment of the present invention.
Fig. 3b is a cross-sectional view of a high-speed rear-jet and integral-rotation type marine propulsion device according to an embodiment of the present invention.
Fig. 4 is a front view (viewed in the axial direction) of a high-speed rear-jet and integral-rotation type marine propulsion device according to an embodiment of the present invention.
Fig. 5 is a rear perspective view of a high-speed rear-jet and integral-rotation type marine propulsion device according to an embodiment of the present invention.
Detailed Description
The high-speed rear-jet and integral-rotation type marine propulsion system according to the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 5, a marine propulsion device of a high-speed rear jet and integral rotation type is characterized by comprising: a shaft 100 rotatably mounted in the ship and rotated by a driving device; a hollow body 200 fixed to the rear of the shaft 10 to be rotated integrally with the shaft; a blade 300 having one side fixed to one side of the shaft 100 and the other side fixed to the hollow body 200, and rotating and allowing water outside the propulsion device to flow into the water collecting space 400; the tapered water collecting space 400 is surrounded by the blade 300, and forms a space having a narrow front and a wide rear.
As shown in fig. 1 to 5, the shaft 100, the body 200, the blade 300, and the water collecting space 400 rotate together, and the water flowing into the water collecting space 400 is sprayed at a high speed toward the rear of the body 200.
As shown in fig. 1 to 5, in the high-speed backward jet and integral rotation type marine propulsion device according to the present invention, the blade unit 300 includes at least two blades 310, a water inflow slit 330 is formed between a blade tip 310a of one blade and an outer circumferential surface of a blade adjacent to the blade, and the blades 310 are formed in an arc shape or a spiral shape gradually expanding in a radial direction from a blade root 310b to the blade tip 310 a.
As shown in fig. 1 to 5, the blade 310 has a shape in which a width thereof becomes wider from the front to the rear in the axial direction when viewed from the axial direction, a front side 310e of the blade having a narrow width is fixed to the front side of the shaft 100 closer to the shaft 100 than a rear side 310d of the blade, a rear side 310d of the blade having a wide width is fixed to the hollow body 200 farther from the shaft 100 than the front side 310e of the blade, and the water collecting space 400 forms a conical space which becomes wider from the front to the rear in the axial direction.
As shown in fig. 1 to 5, in the high-speed backward jet and integral rotation type ship propulsion device according to the present invention, a radial gap G is formed between a blade root line 310b-1 of one blade and a blade tip line 310a-1 of another blade adjacent to the blade behind the blade, an overlap region a is formed where the two blades overlap each other, and inflow water is cut off and flows out in the radial direction.
As shown in fig. 1 to 5, the hollow type body 200 includes: a hollow expanding acceleration part 210 having a width gradually narrowed toward the rear so that the water in the water collecting space 400 is accelerated while passing therethrough, and a rear spray part 250 attached to the rear end of the expanding acceleration part 210 to spray the water at a high speed.
As shown in fig. 1 to 5, in the high-speed backward jet and integral rotation type marine propulsion device according to the present invention, it is preferable that the blade unit 300 includes 4 to 12 blades 310 arranged at uniform intervals of 90 to 30 ° in the rotation direction, and the angle B formed by the rotation trajectory of the tip 310a of the blade 310 with the axis as the rotation center of the tip 310a of the blade 310 is 15 to 40 °.
As shown in fig. 1 to 5, in the high-speed backward injection and integral rotation type marine propulsion device according to the present invention, at least one of the divergent accelerator section 210 and the backward injection section 250 is preferably integrally fixed to the rear end 100b of the shaft 100 by a body fixing device 270, the body fixing device 270 includes at least three brackets 271 arranged in the radial direction, the inner side of the bracket 271 is fixed to the shaft 100, and the outer side of the bracket 271 is fixed to the inner surface of the divergent accelerator section 210 or the inner circumferential surface of the backward injection section 250.
As shown in fig. 4, the blade 310 preferably has a fan shape whose width increases from the front to the rear in the axial direction when viewed from the axial direction.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent change and modification made to the above embodiment according to the technical spirit of the present invention are still within the scope of the technical solution of the present invention.
It should be noted that the reference signs described in the claims are only used for assisting understanding of the invention, and do not influence the interpretation of the scope of the claims, and the scope of the claims should not be narrowed by the reference signs described.
Claims (4)
1. A marine propulsion device of a high-speed rear jet and integral rotation type, comprising:
a shaft (100) rotatably mounted in the vessel and rotated by a drive device;
a hollow main body (200) fixed to the rear of the shaft (10) so as to rotate integrally with the shaft;
a blade unit (300) having one side fixed to one side of the shaft (100) and the other side fixed to the hollow body (200), and configured to rotate and allow water outside the propulsion device to flow into the water collection space (400);
a tapered water collecting space (400) surrounded by the blade (300) and forming a space having a narrow front and a wide rear;
the water flowing into the water collecting space (400) is ejected at a high speed to the rear of the main body (200) while the shaft (100), the main body (200), the blade (300), and the water collecting space (400) are integrally rotated together;
the hollow main body (200) includes:
a hollow expanding accelerating part (210) which is narrower toward the rear so that the water in the water collecting space (400) is accelerated while passing through,
a rear jet part (250) which is attached to the rear end of the expanding acceleration part (210) and jets water at a high speed;
the blade portion (300) comprises at least two blades (310),
a water inflow slit (330) is formed between the blade tip (310a) of one blade and the outer peripheral surface of the blade adjacent to the blade,
the blade (310) is in an arc shape or a spiral shape gradually expanding from a blade root (310b) to a blade tip (310a) along a radial direction,
the blade (310) has a shape in which the width thereof becomes wider from the front to the rear in the axial direction when viewed from the axial direction,
the front side (310e) of the blade with narrow width is fixed on the front side of the shaft (100) closer to the shaft (100) than the rear side (310d) of the blade, the rear side (310d) of the blade with wide width is fixed on the hollow main body (200) farther from the shaft (100) than the front side (310e) of the blade,
the water collecting space (400) forms a conical space which is wider from front to back in the axial direction;
a radial direction slit (G) is formed between a blade root line (310b-1) of one blade and a blade tip line (310a-1) of another blade which is adjacent to the blade behind the blade, an overlapping region (A) is formed in which the two blades overlap each other, and inflow of water is cut off and outflow of water in the radial direction is prevented.
2. The high-speed back-jet and integral-rotation type marine propulsion device according to claim 1, wherein the rear-jet and integral-rotation type marine propulsion device is a marine propulsion device,
the blade part (300) is composed of 4-12 blades (310) which are uniformly arranged at intervals of 90-30 degrees along the rotation direction,
the angle (B) formed by the rotation track of the front end (310a) of the blade (310) is 15-40 degrees by taking the shaft as the rotation center of the front end (310a) of the blade (310).
3. The high-speed back-jet and integral-rotation type marine propulsion device according to claim 1, wherein the rear-jet and integral-rotation type marine propulsion device is a marine propulsion device,
at least one of the expanding accelerator section (210) and the rear jet section (250) is integrally fixed to the rear end section (100b) of the shaft (100) by a body fixing device (270),
the body fixture (270) comprises at least three brackets (271) arranged in the radial direction,
the inner side of the bracket (271) is fixed on the shaft (100), and the outer side of the bracket (271) is fixed on the inner surface of the expanding accelerating part (210) or the inner circumferential surface of the rear injection part (250).
4. The high-speed back-jet and integral-rotation type marine propulsion device according to claim 1, wherein the rear-jet and integral-rotation type marine propulsion device is a marine propulsion device,
the blade (310) has a fan shape whose width increases from the front to the rear in the axial direction when viewed from the axial direction.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020160001019A KR101725309B1 (en) | 2016-01-05 | 2016-01-05 | Propeller Device for Vessel |
| KR10-2016-0001019 | 2016-01-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106965914A CN106965914A (en) | 2017-07-21 |
| CN106965914B true CN106965914B (en) | 2020-12-29 |
Family
ID=58742856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611202946.1A Expired - Fee Related CN106965914B (en) | 2016-01-05 | 2016-12-23 | High-speed rear injection and integrated rotation type marine propulsion device |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR101725309B1 (en) |
| CN (1) | CN106965914B (en) |
| WO (1) | WO2017119630A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110371264A (en) * | 2019-07-22 | 2019-10-25 | 江苏科技大学 | A kind of foot-operated three-body water jet boat |
| CN110641670B (en) * | 2019-09-30 | 2021-08-31 | 中国船舶工业集团公司第七0八研究所 | Marine propeller |
| CN114435573B (en) * | 2022-02-17 | 2023-05-26 | 交通运输部天津水运工程科学研究所 | Marine turbine propeller |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3977353A (en) | 1974-07-31 | 1976-08-31 | James Toyama | Jet powered marine propulsion unit |
| WO2003037712A1 (en) * | 2001-11-01 | 2003-05-08 | Ishigaki Company Limited | Water jet propelling device of boat |
| KR100592943B1 (en) * | 2004-03-18 | 2006-06-26 | 윤선영 | High Speed Fluid Propulsion |
| CN201016028Y (en) * | 2005-06-20 | 2008-02-06 | 智点科技股份有限公司 | Jet fluid cluster propeller |
| JP2008100628A (en) * | 2006-10-19 | 2008-05-01 | Yokohama National Univ | Fluid thrust generator |
| KR101523920B1 (en) * | 2013-09-27 | 2015-06-01 | 삼성중공업 주식회사 | Propulsion apparatus for vessel |
| JP2014196099A (en) | 2013-03-07 | 2014-10-16 | 治 狩野 | Propulsion unit |
-
2016
- 2016-01-05 KR KR1020160001019A patent/KR101725309B1/en not_active Expired - Fee Related
- 2016-12-19 WO PCT/KR2016/014848 patent/WO2017119630A1/en active Application Filing
- 2016-12-23 CN CN201611202946.1A patent/CN106965914B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN106965914A (en) | 2017-07-21 |
| KR101725309B1 (en) | 2017-05-02 |
| WO2017119630A1 (en) | 2017-07-13 |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201229 Termination date: 20211223 |