CN105703602A - Inner closed type radial flux magnetic transmission mechanism for underwater direct-driven propeller - Google Patents
Inner closed type radial flux magnetic transmission mechanism for underwater direct-driven propeller Download PDFInfo
- Publication number
- CN105703602A CN105703602A CN201610163455.4A CN201610163455A CN105703602A CN 105703602 A CN105703602 A CN 105703602A CN 201610163455 A CN201610163455 A CN 201610163455A CN 105703602 A CN105703602 A CN 105703602A
- Authority
- CN
- China
- Prior art keywords
- outer rotor
- internal rotor
- separation sleeve
- unshakable
- end plate
- 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.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/10—Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
- H02K49/102—Magnetic gearings, i.e. assembly of gears, linear or rotary, by which motion is magnetically transferred without physical contact
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
Abstract
The invention relates to an inner closed type radial flux magnetic transmission mechanism for an underwater direct-driven propeller. According to the inner closed type radial flux magnetic transmission mechanism for the underwater direct-driven propeller provided by the invention, the opening end of the inner circumference surface of an outer rotor iron core (1) is equipped with multiple dovetail slots II (12) along a radial direction; the multiple dovetail slots II (12) are evenly distributed along the inner circumference surface of the outer rotor iron core (1); a piece of outer rotor magnetic steel (2) is matched and fixed in each dovetail slot II (12); an inner rotor end plate (10) is annularly sleeved on the prime motor rotation shaft (9) of the propeller and is fixedly connected with the outer end of an inner rotor magnet yoke (5); an outer rotor end plate (8) is fixedly connected with the outer end of the outer rotor iron core (1); the opening end of an isolation sleeve (3) is equipped with a connection flange plate (16); and the connection flange plate (16) of the isolation sleeve (3) and a propeller end plate (7) are in sealed connection. The mechanism provided by the invention is applied in the underwater direct-driven propeller.
Description
Technical field
The present invention relates to one direct-drive type radial flux magnetic driving mechanism under water。
Background technology
The sealing means that direct-drive type propeller adopts under water mainly adopts the rotary dynamic seal such as mechanical seal or lip envelope, and this sealing means structure complexity exists certain amount of leakage, needs periodic detection to safeguard during life-time service。
Summary of the invention
It is an object of the invention to provide one direct-drive type propeller inside enclosed radial flux magnetic driving mechanism under water, this magnetic force mechanism adopts inner-outer birotor structure, wherein internal rotor adopts multipole radial magnet steel arrangement mode, outer rotor magnet steel 2 adopts tile configuration, its block number is 2 times of internal rotor magnetic steel 4, the magnetic field of its formation is inner sealing distribution, it is achieved magnetic leakage free field outside outer rotor。Separation sleeve 3 static seal structure is adopted, it is achieved complete machine No leakage between inner and outer rotors。
Above-mentioned purpose is realized by following technical scheme:
The one inside enclosed radial flux magnetic driving mechanism of direct-drive type propeller under water, its composition includes: outer rotor iron core 1, multiple outer rotor magnet steel 2, separation sleeve 3, multiple internal rotor magnetic steel 4, internal rotor yoke 5, sealing ring 6, propeller end plate 7, outer rotor end plate 8, angle of rake prime mover rotating shaft 9, internal rotor end plate 10
Angle of rake prime mover rotating shaft 9 it is fixedly installed in described internal rotor yoke 5, one end of the lateral surface of described internal rotor yoke 5 has processed multiple dovetail groove I 11 vertically, described multiple dovetail grooves I 11 are along the uniform setting of lateral surface of internal rotor yoke 5, it is provided with boss in the middle part of one end of each described internal rotor magnetic steel 4, the boss coupling of each internal rotor magnetic steel 4 is fixing to be loaded in corresponding dovetail groove I 11, the outside ring set of described multiple internal rotor magnetic steel 4 is equipped with separation sleeve 3, one end of described separation sleeve 3 is blind end, the other end of separation sleeve 3 is opening end, described outer rotor 1 ring set unshakable in one's determination is contained in outside separation sleeve 3, one end of outer rotor iron core 1 is blind end, the other end of outer rotor iron core 1 is opening end, the inner peripheral surface of outer rotor iron core 1 is positioned at uncovered one end and has processed multiple dovetail groove II 12 vertically, and described multiple dovetail grooves II 12 are along the uniform setting of inner peripheral surface of outer rotor iron core 1, in each described dovetail groove II 12, coupling is fixed with an outer rotor magnet steel 2, described internal rotor end plate 10 ring set is contained in angle of rake prime mover rotating shaft 9 and fixes with the outer end of internal rotor yoke 5 and is connected, described outer rotor end plate 8 is fixing with the outer end of outer rotor iron core 1 to be connected, the opening end of described separation sleeve 3 is provided with mounting flange 16, it is tightly connected between mounting flange 16 and the propeller end plate 7 of separation sleeve 3。
Described one is direct-drive type propeller inside enclosed radial flux magnetic driving mechanism under water, described internal rotor yoke 5 is regular polygon structure, being milled with dovetail groove I 11 in the middle part of each lateral surface of internal rotor yoke 5, described internal rotor yoke 5 is magnetic conductive metal material。
Described one is direct-drive type propeller inside enclosed radial flux magnetic driving mechanism under water, and described outer rotor unshakable in one's determination 1 adopts corrosion-resistant not magnetic conduction construction Steel material。
Described one is direct-drive type propeller inside enclosed radial flux magnetic driving mechanism under water, is tightly connected by sealing ring 6 between mounting flange 16 and the propeller end plate 7 of described separation sleeve 3。
Beneficial effect:
1. the magnetic force mechanism of the present invention adopts inner-outer birotor structure, wherein internal rotor adopts multipole radial magnet steel arrangement mode, and outer rotor magnet steel 2 adopts tile configuration, and its block number is 2 times of internal rotor magnetic steel 4, the magnetic field of its formation is inner sealing distribution, it is achieved magnetic leakage free field outside outer rotor。
2. the present invention adopts separation sleeve 3 static seal structure between inner and outer rotors, it is achieved complete machine No leakage。
3. the present invention adopts static seal to substitute tradition rotary dynamic seal, when running under water, amount of leakage is down to minimum, outer rotor magnet steel 2 is after arrangement as shown in Figure 2, the inside enclosed that can realize magnetic field runs, its outer rotor iron core 1 can change corrosion-resistant non-magnet_conductible material into, it is to avoid because of the Anticorrosion Problems individually considered required after adopting conventional pilot magnet assembly。
4. the inner and outer rotors magnet steel 2 of the present invention all adopts oat tail groove structure to be fixed, and is being axially installed with fixed charge method end plate 14, it may be achieved magnet steel radially, tangential and axial spacing, it is ensured that the reliability service of drive mechanism。
5. the drive mechanism of the present invention also has the feature of Flexible Transmission, can realize automatic unloading when torque is excessive, it is to avoid prime mover overload is damaged。
6. the drive mechanism of the present invention, makes the angle of rake degree of reliability operation time of direct-drive type under water will be promoted to original 2 to 3 times。
7. the magnet steel arrangement of the present invention is simple, reliable, technique is simple。
8. the present invention can realize contactless torque transmission, and outer rotor have employed inside enclosed magnetic field, and rotor field is radially distributed, it is achieved outer rotor is without magnetic conductive loop structure, and outer rotor surface magnetic leakage free exists, and is absent from fluid leakage problem。
Accompanying drawing illustrates:
Accompanying drawing 1 is the structural representation of the present invention。
Accompanying drawing 2 is the A-A sectional view of accompanying drawing 1。
Detailed description of the invention:
Embodiment 1
The one inside enclosed radial flux magnetic driving mechanism of direct-drive type propeller under water, its composition includes: outer rotor iron core 1, multiple outer rotor magnet steel 2, separation sleeve 3, multiple internal rotor magnetic steel 4, internal rotor yoke 5, sealing ring 6, propeller end plate 7, outer rotor end plate 8, angle of rake prime mover rotating shaft 9, internal rotor end plate 10
It is fixedly installed angle of rake prime mover rotating shaft 9 by flat key 13 in described internal rotor yoke 5, one end of the lateral surface of described internal rotor yoke 5 has processed multiple dovetail groove I 11 vertically, described multiple dovetail grooves I 11 are along the uniform setting of lateral surface of internal rotor yoke 5, it is provided with boss in the middle part of one end of each described internal rotor magnetic steel 4, the boss coupling of each internal rotor magnetic steel 4 is fixing to be loaded in corresponding dovetail groove I 11, the outside ring set of described multiple internal rotor magnetic steel 4 is equipped with separation sleeve 3, one end of described separation sleeve 3 is blind end, the other end of separation sleeve 3 is opening end, described outer rotor 1 ring set unshakable in one's determination is contained in outside separation sleeve 3, one end of outer rotor iron core 1 is blind end, the other end of outer rotor iron core 1 is opening end, the inner peripheral surface of outer rotor iron core 1 is positioned at uncovered one end and has processed multiple dovetail groove II 12 vertically, and described multiple dovetail grooves II 12 are along the uniform setting of inner peripheral surface of outer rotor iron core 1, in each described dovetail groove II 12, coupling is fixed with an outer rotor magnet steel 2, described internal rotor end plate 10 ring set is contained in angle of rake prime mover rotating shaft 9 and is connected by trip bolt II 15 is fixing with the outer end of internal rotor yoke 5, in order to limit the axial displacement of internal rotor magnetic steel 4, described outer rotor end plate 8 is connected by trip bolt I 14 is fixing with the outer end of outer rotor iron core 1, the opening end of described separation sleeve 3 is provided with mounting flange 16, it is tightly connected by trip bolt III 17 between mounting flange 16 and the propeller end plate 7 of separation sleeve 3。
Embodiment 2
One described in the embodiment 1 inside enclosed radial flux magnetic driving mechanism of direct-drive type propeller under water, described internal rotor yoke 5 is regular polygon structure, it is preferably regular hexagon, being milled with dovetail groove I 11 in the middle part of each lateral surface of internal rotor yoke 5, described internal rotor yoke 5 is magnetic conductive metal material。
Embodiment 3
One described in the embodiment 1 inside enclosed radial flux magnetic driving mechanism of direct-drive type propeller under water, described outer rotor unshakable in one's determination 1 adopts corrosion-resistant not magnetic conduction construction Steel material, it is to avoid after adopting tradition permeability magnetic material, outer rotor is corroded in water because of exposed。
Embodiment 4
One described in the embodiment 1 inside enclosed radial flux magnetic driving mechanism of direct-drive type propeller under water, is tightly connected by sealing ring 6 between mounting flange 16 and the propeller end plate 7 of described separation sleeve 3。
Internal rotor magnetic steel 4 adopts radially or parallel magnetization mode, its objective is effectively to prevent magnet steel 4 from producing radially and tangentially displacement, improves the reliability of drive mechanism。
Outer rotor magnet steel 2 adopts radially or parallel magnetization mode, it is ensured that the direction of magnetization of adjacent magnet steel differs 90 degree。
Internal rotor assembly will be connected with each other by flat key 8 and angle of rake prime mover rotating shaft 9。Prime mover drives internal rotor rotation, the static difference of separation sleeve 3, internal rotor magnetic field and outer rotor magnetic field interaction, thus driving outer rotor rotary motion, outer rotor can be fixed propeller, it is achieved the non-contact type torque transmission driven by radial magnetic field。
Outer rotor magnet steel 2 carries out spatial arrangement with 2 times of internal rotor magnetic steel 4 quantity for principle, its arrangement rule is as shown in Figure 2, magnet steel arrangement mode shown in Fig. 2, the inner sealing distribution in outer rotor magnetic field can be realized, its magnetic line of force is distributed in the inner side of outer rotor, improve torque density, and eliminate tradition yoke portion magnetic conductive loop, it is achieved reduce the purpose of leakage field。
Difference between the present invention and existing invention:
(1) inner and outer rotors magnet steel 4 adopts dovetail groove fixed form。
(2) magnetic line of force overwhelming majority produced by outer rotor magnet steel 2 is distributed within it, and the stray field in outside is relatively small。
(3) outer rotor unshakable in one's determination 1 adopts resistant material, it is to avoid because needing to carry out anti-corrosion treatment after adopting tradition permeability magnetic material, and Simplified flowsheet promotes reliability。
(4) adopt static seal to substitute movable sealing, reduce amount of leakage largely。
Certainly, described above is not limitation of the present invention, and the present invention is also not limited to the example above, the change made in the essential scope of the present invention of those skilled in the art, remodeling, interpolation or replacement, also should belong to protection scope of the present invention。
Claims (4)
1. a direct-drive type propeller inside enclosed radial flux magnetic driving mechanism under water, its composition includes: outer rotor (1), multiple outer rotor magnet steel (2), separation sleeve (3), multiple internal rotor magnetic steel (4), internal rotor yoke (5), sealing ring (6), propeller end plate (7), outer rotor end plate (8), angle of rake prime mover rotating shaft (9), internal rotor end plate (10) unshakable in one's determination, it is characterized in that:
Angle of rake prime mover rotating shaft (9) it is fixedly installed in described internal rotor yoke (5), one end of the lateral surface of described internal rotor yoke (5) has processed multiple dovetail groove I (11) vertically, described multiple dovetail grooves I (11) are along the uniform setting of lateral surface of internal rotor yoke (5), it is provided with boss in the middle part of one end of each described internal rotor magnetic steel (4), the boss coupling of each internal rotor magnetic steel (4) is fixing to be loaded in corresponding dovetail groove I (11), the outside ring set of described multiple internal rotor magnetic steel (4) is equipped with separation sleeve (3), one end of described separation sleeve (3) is blind end, the other end of separation sleeve (3) is opening end, described outer rotor (1) ring set unshakable in one's determination is contained in separation sleeve (3) outside, one end of outer rotor (1) unshakable in one's determination is blind end, the other end of outer rotor (1) unshakable in one's determination is opening end, the inner peripheral surface of outer rotor (1) unshakable in one's determination is positioned at uncovered one end and has processed multiple dovetail groove II (12) vertically, and described multiple dovetail grooves II (12) are along the uniform setting of inner peripheral surface of outer rotor unshakable in one's determination (1), in each described dovetail groove II (12), coupling is fixed with an outer rotor magnet steel (2), described internal rotor end plate (10) ring set is contained on angle of rake prime mover rotating shaft (9) and fixes with the outer end of internal rotor yoke (5) and is connected, described outer rotor end plate (8) is fixing with the outer end of outer rotor (1) unshakable in one's determination to be connected, the opening end of described separation sleeve (3) is provided with mounting flange (16), it is tightly connected between mounting flange (16) and the propeller end plate (7) of separation sleeve (3)。
2. one according to claim 1 direct-drive type propeller inside enclosed radial flux magnetic driving mechanism under water, it is characterized in that: described internal rotor yoke (5) is regular polygon structure, being milled with dovetail groove I (11) in the middle part of each lateral surface of internal rotor yoke (5), described internal rotor yoke (5) is magnetic conductive metal material。
3. one according to claim 1 direct-drive type propeller inside enclosed radial flux magnetic driving mechanism under water, is characterized in that: described outer rotor (1) unshakable in one's determination adopts corrosion-resistant not magnetic conduction construction Steel material。
4. one according to claim 1 direct-drive type propeller inside enclosed radial flux magnetic driving mechanism under water, is characterized in that: be tightly connected by sealing ring (6) between mounting flange (16) and the propeller end plate (7) of described separation sleeve (3)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610163455.4A CN105703602A (en) | 2016-03-22 | 2016-03-22 | Inner closed type radial flux magnetic transmission mechanism for underwater direct-driven propeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610163455.4A CN105703602A (en) | 2016-03-22 | 2016-03-22 | Inner closed type radial flux magnetic transmission mechanism for underwater direct-driven propeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105703602A true CN105703602A (en) | 2016-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610163455.4A Pending CN105703602A (en) | 2016-03-22 | 2016-03-22 | Inner closed type radial flux magnetic transmission mechanism for underwater direct-driven propeller |
Country Status (1)
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|---|---|
| CN (1) | CN105703602A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106712394A (en) * | 2017-01-17 | 2017-05-24 | 中国科学院合肥物质科学研究院 | Method applying wireless electric power transmission and magnetic force transmission on superconductive motor |
| CN107294347A (en) * | 2017-07-13 | 2017-10-24 | 武健 | Magnetic drives separation sleeve and magnetic drive device |
| CN109067138A (en) * | 2018-08-27 | 2018-12-21 | 广西科技大学 | A kind of novel mixed permanent magnetic transmission device |
| CN109104070A (en) * | 2018-08-27 | 2018-12-28 | 广西科技大学 | A kind of hybrid permanent magnet type transmission device |
| CN109560634A (en) * | 2018-12-21 | 2019-04-02 | 苏州腾冉电气设备股份有限公司 | A kind of Halbach type permanent-magnetic outer rotor mounting structure |
| CN112436713A (en) * | 2020-11-27 | 2021-03-02 | 佛山玄同科技有限公司 | Magnetic coupling and transmission mechanism |
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| CN204334288U (en) * | 2014-12-29 | 2015-05-13 | 朱桂林 | A kind of high temperature resistant synchronous magnetic coupling |
| CN105162297A (en) * | 2015-10-29 | 2015-12-16 | 哈尔滨工业大学 | Improved non-salient pole type outer rotor reluctance magnetic coupling |
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Patent Citations (7)
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| CN2350575Y (en) * | 1998-10-30 | 1999-11-24 | 深圳科萃磁性器件有限公司 | Magnetic transmission for pump |
| CN101483378A (en) * | 2009-02-24 | 2009-07-15 | 江苏大学 | Asynchronous magnetic couplings for high temperature resistant high performance oblique slot type rotor |
| CN101645644A (en) * | 2009-09-09 | 2010-02-10 | 哈尔滨工程大学 | Permanent magnetic compound type asynchronous coupling |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106712394A (en) * | 2017-01-17 | 2017-05-24 | 中国科学院合肥物质科学研究院 | Method applying wireless electric power transmission and magnetic force transmission on superconductive motor |
| CN106712394B (en) * | 2017-01-17 | 2019-04-05 | 中国科学院合肥物质科学研究院 | A method of wireless power transmission and magnetic drives are applied to superconducting motor |
| CN107294347A (en) * | 2017-07-13 | 2017-10-24 | 武健 | Magnetic drives separation sleeve and magnetic drive device |
| CN109067138A (en) * | 2018-08-27 | 2018-12-21 | 广西科技大学 | A kind of novel mixed permanent magnetic transmission device |
| CN109104070A (en) * | 2018-08-27 | 2018-12-28 | 广西科技大学 | A kind of hybrid permanent magnet type transmission device |
| CN109104070B (en) * | 2018-08-27 | 2021-04-02 | 广西科技大学 | Hybrid permanent magnet transmission device |
| CN109560634A (en) * | 2018-12-21 | 2019-04-02 | 苏州腾冉电气设备股份有限公司 | A kind of Halbach type permanent-magnetic outer rotor mounting structure |
| CN109560634B (en) * | 2018-12-21 | 2021-05-28 | 苏州腾冉电气设备股份有限公司 | Halbach type permanent magnet outer rotor mounting structure |
| CN112436713A (en) * | 2020-11-27 | 2021-03-02 | 佛山玄同科技有限公司 | Magnetic coupling and transmission mechanism |
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Application publication date: 20160622 |
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| RJ01 | Rejection of invention patent application after publication |