CN112960094A - Full-rotation propeller with double propellers directly driven by double-layer permanent magnet motor - Google Patents
Full-rotation propeller with double propellers directly driven by double-layer permanent magnet motor Download PDFInfo
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- CN112960094A CN112960094A CN202110205223.1A CN202110205223A CN112960094A CN 112960094 A CN112960094 A CN 112960094A CN 202110205223 A CN202110205223 A CN 202110205223A CN 112960094 A CN112960094 A CN 112960094A
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- 230000007246 mechanism Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H21/00—Use of propulsion power plant or units on vessels
- B63H21/12—Use of propulsion power plant or units on vessels the vessels being motor-driven
- B63H21/17—Use of propulsion power plant or units on vessels the vessels being motor-driven by electric motor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/0094—Structural association with other electrical or electronic devices
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K16/00—Machines with more than one rotor or stator
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses a full-rotation propeller with double propellers directly driven by double-layer permanent magnet motors, which comprises a propeller body, a front propeller and a rear propeller, wherein the bottom of the propeller body is fixedly connected with a double-layer propulsion motor; the invention provides a high-efficiency and high-reliability ship propeller which is characterized in that front and rear double propellers are respectively and directly driven by two different permanent magnet motors, the steering and the rotating speed of the two propellers can be respectively controlled, the two permanent magnet motors are designed to be embedded in an inner layer and an outer layer and are mutually independent, and the front and rear two different propellers can be simultaneously driven and controlled.
Description
Technical Field
The invention belongs to the technical field of ship propellers, and particularly relates to a full-rotation propeller with double propellers directly driven by a double-layer permanent magnet motor.
Background
Since the invention of the steam engine, many researches on the use of steam power by ships have been made, and the designed and tested propellers comprise a barge pole, a motor paddle, a paddle wheel, a propeller and the like, the propeller is the mainstream ship propulsion device so far, and the structure form of the propeller propulsion device comprises a gear transmission propulsion device and a propulsion device in which a motor directly drives the propeller to rotate, wherein the form of the motor directly driving the propeller is the form of driving one propeller by one motor, the motor and the propeller have no design redundancy, the reliability is not high, the conventional propulsion device is internally provided with bevel gear transmission, the propeller has larger mechanical loss and lower energy conversion efficiency, and is gradually replaced by the electric propulsion device.
Disclosure of Invention
The invention aims to provide a full-rotation propeller with double propellers directly driven by a double-layer permanent magnet motor, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a full-rotation propeller of a double-layer permanent magnet motor directly driving a double-propeller comprises a propeller body, a front propeller and a rear propeller, wherein the bottom of the propeller body is fixedly connected with a double-layer propulsion motor, an outer motor stator coil is fixedly arranged inside the double-layer propulsion motor, an outer motor rotor is arranged inside the outer motor stator coil, an inner motor shell is arranged inside the outer motor rotor, an inner motor stator coil is arranged inside the inner motor shell, an inner motor rotor is arranged inside the inner motor stator coil, a front thrust shaft is arranged on one side inside the double-layer propulsion motor, the front thrust shaft is fixedly connected with the outer motor rotor, the front thrust shaft is rotatably connected with the double-layer propulsion motor and the inner motor shell through a bearing, the front propeller is fixedly arranged at one end, far away from the inner motor shell, of the front thrust shaft, the inner layer motor rotor is connected with the front thrust shaft and the inner layer motor shell in a rotating mode through bearings, the rear thrust shaft is fixedly connected to one end, far away from the front thrust shaft, of the inner layer motor rotor, the rear propeller is fixedly arranged at one end, far away from the inner layer motor rotor, of the rear thrust shaft, one side of the inside of the double-layer propulsion motor is provided with the front brake device sleeved on the front thrust shaft, and one side of the inside of the inner layer motor shell is provided with the rear brake device sleeved on the rear thrust shaft.
Preferably, the top of propeller body is provided with mounting flange, and the top of mounting flange is provided with electric junction box and rotation mechanism, and rotation mechanism's top is fixed and is provided with the rotating electrical machines, and electric junction box passes through the wire respectively with outer motor stator coil, inlayer motor stator coil electric connection.
Preferably, the end face of one end of the outside of the double-layer propulsion motor is fixedly provided with a front protection cover, and the end face of the other end of the outside of the double-layer propulsion motor is fixedly provided with a rear protection cover.
Preferably, the rear thrust shaft and the rotor shaft of the inner layer motor rotor are of an integrated structure.
Compared with the prior art, the invention has the beneficial effects that: the invention provides a high-efficiency and high-reliability ship propeller, which is characterized in that front and rear double propellers are respectively and directly driven by two different permanent magnet motors, the steering and the rotating speed of the two propellers can be respectively controlled, the two permanent magnet motors are designed to be embedded in an inner layer and an outer layer and are mutually independent, the motor in the outer layer has large volume and large power, the motor in the inner layer has small volume and small power, and the front and rear two different propellers can be simultaneously driven and controlled, so that the power and the performance of the whole propeller are improved, the mutually standby effect can be achieved, and the reliability is high;
the invention has no traditional transmission shafting and gear transmission devices, has small energy loss and high energy conversion efficiency, and the ship provided with the propeller of the invention has more flexible control, flexible cabin arrangement, high propulsion efficiency and low energy consumption, thereby achieving the purposes of energy conservation and emission reduction.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
FIG. 1 is a schematic view of the overall internal structure of the present invention;
fig. 2 is an overall external left side structural view of the present invention.
In the figure: 1. a front propeller; 2. a front protective cover; 3. a forward thrust shaft; 4. a double-layer propulsion motor; 5. an outer layer motor rotor; 6. an outer layer motor stator coil; 7. a rear propeller; 8. a rear thrust shaft; 9. a rear protective cover; 10. a rear brake device; 11. an electrical junction box; 12. inner layer motor stator coil; 13. an inner layer motor rotor; 14. a front brake device; 15. a rotary motor; 16. an inner motor casing; 17. a propeller body; 18. installing a flange; 19. a slewing mechanism.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through the communication between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1-2, the present invention provides a technical solution: a full-rotation propeller of a double-layer permanent magnet motor directly driving a double-propeller comprises a propeller body 17, a front propeller 1 and a rear propeller 7, wherein the bottom of the propeller body 17 is fixedly connected with a double-layer propulsion motor 4, the inside of the double-layer propulsion motor 4 is fixedly provided with an outer motor stator coil 6, the inside of the outer motor stator coil 6 is provided with an outer motor rotor 5, the inside of the outer motor rotor 5 is provided with an inner motor shell 16, the inside of the inner motor shell 16 is provided with an inner motor stator coil 12, the inside of the inner motor stator coil 12 is provided with an inner motor rotor 13, one side of the inside of the double-layer propulsion motor 4 is provided with a front thrust shaft 3, the front thrust shaft 3 is fixedly connected with the outer motor rotor 5, the front thrust shaft 3 is rotatably connected with the double-layer propulsion motor 4 and the inner motor shell 16 through a bearing, one end of the front thrust, inner layer motor rotor 13 passes through bearing and preceding thrust shaft 3, inner layer motor casing 16 rotates to be connected, the one end fixedly connected with back thrust shaft 8 of keeping away from preceding thrust shaft 3 on the inner layer motor rotor 13, the fixed back screw 7 that is provided with of one end of keeping away from inner layer motor rotor 13 on the back thrust shaft 8, inside one side of double-deck propulsion motor 4 is provided with the preceding brake equipment 14 of cover on preceding thrust shaft 3, inside one side of inner layer motor casing 16 is provided with the back brake equipment 10 of suit on back thrust shaft 8.
The top of the propeller body 17 is provided with a mounting flange 18, the top of the mounting flange 18 is provided with an electrical junction box 11 and a rotating mechanism 19, the top of the rotating mechanism 19 is fixedly provided with a rotating motor 15, and the electrical junction box 11 is electrically connected with the outer-layer motor stator coil 6 and the inner-layer motor stator coil 12 through conducting wires.
The end face of one end of the outside of the double-layer propulsion motor 4 is fixedly provided with a front protection cover 2, and the end face of the other end of the outside of the double-layer propulsion motor 4 is fixedly provided with a rear protection cover 9.
The rear thrust shaft 8 and the rotor shaft of the inner layer motor rotor 13 are of an integrated structure.
The working principle and the using process of the invention are as follows: the power is supplied by a central generating set of the ship, the electrical connection box 11 is connected through a power cable, and the power is connected to the outer-layer motor stator coil 6 and the inner-layer motor stator coil 12 from the electrical connection box 11 through an internal cable; when power is supplied to the outer-layer motor stator coil 6, the outer-layer motor rotor 5 made of the permanent magnet rotates under the action of a permanent magnetic field and electromotive force, so that the front propeller 1 is directly driven to rotate, and the rotating speed and the steering direction of the front propeller 1 are controlled by changing the voltage, the frequency and the like of the outer-layer motor stator coil 6, so that the thrust generated by the propeller is controlled; when power is supplied to the inner motor stator coil 12, the inner motor rotor 13 made of the permanent magnet rotates under the action of a permanent magnetic field and electromotive force, so that the rear propeller 7 is directly driven to rotate, and the rotating speed and the steering direction of the rear propeller 7 are controlled by changing the voltage, the frequency and the like of the inner motor stator coil 12, so that the thrust generated by the propeller is controlled; when the steering is needed, the slewing motor 15 drives the slewing mechanism 19 to rotate forward and backward, and the slewing mechanism 19 drives the whole propeller to rotate for 360 degrees, so that the thrust in any direction of 360 degrees can be provided.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a full gyration propeller of double-deck permanent-magnet machine direct drive twin screw, includes propeller body (17), preceding screw (1) and back spiral (7), its characterized in that: the bottom of the propeller body (17) is fixedly connected with a double-layer propulsion motor (4), an outer motor stator coil (6) is fixedly arranged inside the double-layer propulsion motor (4), an outer motor rotor (5) is arranged inside the outer motor stator coil (6), an inner motor shell (16) is arranged inside the outer motor rotor (5), an inner motor stator coil (12) is arranged inside the inner motor shell (16), an inner motor rotor (13) is arranged inside the inner motor stator coil (12), a front thrust shaft (3) is arranged on one side inside the double-layer propulsion motor (4), the front thrust shaft (3) is fixedly connected with the outer motor rotor (5), and the front thrust shaft (3) is rotatably connected with the double-layer propulsion motor (4) and the inner motor shell (16) through bearings, the fixed preceding screw (1) that is provided with of one end of keeping away from inlayer motor casing (16) on preceding thrust shaft (3), inlayer motor rotor (13) rotate with preceding thrust shaft (3), inlayer motor casing (16) through the bearing and are connected, keep away from one end fixedly connected with back thrust shaft (8) of preceding thrust shaft (3) on inlayer motor rotor (13), the fixed back screw (7) that is provided with of one end of keeping away from inlayer motor rotor (13) on back thrust shaft (8), inside one side of double-deck propulsion motor (4) is provided with preceding brake equipment (14) of cover on preceding thrust shaft (3), inside one side of inlayer motor casing (16) is provided with back brake equipment (10) of suit on back thrust shaft (8).
2. The full-circle rotary propeller of double-layer permanent magnet motor direct drive double propellers according to claim 1, characterized in that: the propeller is characterized in that a mounting flange (18) is arranged at the top of the propeller body (17), an electrical junction box (11) and a rotating mechanism (19) are arranged at the top of the mounting flange (18), the rotating motor (15) is fixedly arranged at the top of the rotating mechanism (19), and the electrical junction box (11) is electrically connected with the outer-layer motor stator coil (6) and the inner-layer motor stator coil (12) through conducting wires.
3. The full-circle rotary propeller of double-layer permanent magnet motor direct drive double propellers according to claim 1, characterized in that: the double-deck propulsion motor (4) outside one end terminal surface is fixed and is provided with preceding safety cover (2), the outside other end terminal surface of double-deck propulsion motor (4) is fixed and is provided with back safety cover (9).
4. The full-circle rotary propeller of double-layer permanent magnet motor direct drive double propellers according to claim 1, characterized in that: the rear thrust shaft (8) and a rotor shaft of the inner layer motor rotor (13) are of an integrated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110205223.1A CN112960094A (en) | 2021-02-23 | 2021-02-23 | Full-rotation propeller with double propellers directly driven by double-layer permanent magnet motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110205223.1A CN112960094A (en) | 2021-02-23 | 2021-02-23 | Full-rotation propeller with double propellers directly driven by double-layer permanent magnet motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112960094A true CN112960094A (en) | 2021-06-15 |
Family
ID=76285869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110205223.1A Withdrawn CN112960094A (en) | 2021-02-23 | 2021-02-23 | Full-rotation propeller with double propellers directly driven by double-layer permanent magnet motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112960094A (en) |
-
2021
- 2021-02-23 CN CN202110205223.1A patent/CN112960094A/en not_active Withdrawn
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210615 |
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| WW01 | Invention patent application withdrawn after publication |