CN110336434B - Double-sided transmission permanent magnet eddy hysteresis coupling - Google Patents
Double-sided transmission permanent magnet eddy hysteresis coupling Download PDFInfo
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- CN110336434B CN110336434B CN201910596205.3A CN201910596205A CN110336434B CN 110336434 B CN110336434 B CN 110336434B CN 201910596205 A CN201910596205 A CN 201910596205A CN 110336434 B CN110336434 B CN 110336434B
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- threaded rod
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- 230000008878 coupling Effects 0.000 title claims abstract description 23
- 238000010168 coupling process Methods 0.000 title claims abstract description 23
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 23
- 230000005540 biological transmission Effects 0.000 title claims abstract description 19
- 239000004020 conductor Substances 0.000 claims abstract description 82
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 5
- 230000033228 biological regulation Effects 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 230000006698 induction Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241000883990 Flabellum Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009351 contact transmission Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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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
- H02K16/005—Machines with only rotors, e.g. counter-rotating rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/02—Dynamo-electric clutches; Dynamo-electric brakes of the asynchronous induction type
- H02K49/04—Dynamo-electric clutches; Dynamo-electric brakes of the asynchronous induction type of the eddy-current hysteresis type
- H02K49/046—Dynamo-electric clutches; Dynamo-electric brakes of the asynchronous induction type of the eddy-current hysteresis type with an axial airgap
-
- 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
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/22—Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
Abstract
The invention discloses a double-sided transmission permanent magnet eddy hysteresis coupling, which comprises a mounting cylinder, wherein an output bearing seat part is mounted on a bottom plate of the mounting cylinder, an output flange is mounted on the output bearing seat part, a permanent magnet rotor part is mounted on the output flange, a conductor rotor part is mounted on an input shaft through an input flange, the conductor rotor part comprises two conductor rotors, and the two conductor rotors are connected through an adjusting device. The invention adopts two conductor rotors which are oppositely arranged at two sides of the permanent magnet rotor part, thereby achieving the effect of double-sided transmission, and the two conductor rotors can transmit larger torque, so that the permanent magnet eddy hysteresis coupling is suitable for more application occasions; meanwhile, the adjusting device is adopted to quickly adjust the air gap between the two conductor rotors and the permanent magnet rotor, and the adjusting device can be matched with the radiating fin to achieve good radiating effect and ensure that the temperature of the hysteresis coupling is in a safe range.
Description
Technical Field
The invention belongs to the field of permanent magnet eddy hysteresis couplings, and particularly relates to a double-sided transmission permanent magnet eddy hysteresis coupling.
Background
In order to avoid damage to the motor due to long locked-rotor time in the starting process of large-scale equipment, the power of a general driving motor is several times of the actual rated power, and under some severe environment working conditions, vibration is serious, so that great energy waste is serious. In some occasions needing speed changing and speed regulation, the speed regulation is realized by frequency conversion of a frequency converter, but the power range suitable for the speed regulation of the frequency converter is limited, and huge energy waste can be caused in the process of the frequency conversion speed regulation. The flexible transmission energy-saving technology of permanent magnet eddy current is a new technology for realizing non-contact transmission of force or moment (power) by applying the magnetic force generated by permanent magnet materials based on the basic theory of modern magnetism. The torque of the motor connected with the load is transmitted through the air gap, the whole motor has flexible driving characteristics, the installation error requirement is reduced, and the vibration is effectively isolated. Under the condition of driving secondary torque loads such as fans, water pumps and the like, the energy-saving effect is remarkable; the method has higher reliability and safety under the conditions of high humidity, high temperature, high altitude, high dust and high electromagnetic environment.
The utility model provides a permanent magnetism vortex coupling among the prior art uses a permanent magnet rotor and an induction disk, belongs to a face transmission, and the transmission moment of torsion is little to the induction disk of this kind of coupling is also magnetic material, assembles in a sealed casing, installs the flabellum of equipartition outside the casing of induction disk side, and the heat is taken away in the blast air during the rotation, and this kind of structure is because the induction disk is not hot good conductor, and the heat that produces in the work can not in time be conducted to the casing from inside, the inside frequent overheated trouble that leads to permanent magnet rotor demagnetization of taking place of casing.
Disclosure of Invention
The invention aims to provide a double-sided transmission permanent magnet eddy hysteresis coupling, which adopts two conductor rotors which are oppositely arranged at two sides of a permanent magnet rotor part to play a double-sided transmission effect, and the two conductor rotors can transmit larger torque, so that the double-sided transmission permanent magnet eddy hysteresis coupling is suitable for more application occasions; meanwhile, the adjusting device is adopted, so that the air gap between the two conductor rotors and the permanent magnet rotor part can be conveniently and rapidly adjusted, and the adjusting device can be matched with the radiating fin, so that a good radiating effect is achieved, and the temperature of the hysteresis coupling is ensured to be in a safe range.
The aim of the invention can be achieved by the following technical scheme:
the double-sided transmission permanent magnet eddy hysteresis coupling comprises a mounting cylinder, wherein an output bearing seat part is mounted on a bottom plate of the mounting cylinder, an output flange is mounted on the output bearing seat part, a permanent magnet rotor part is mounted on the output flange, a conductor rotor part is mounted on an input shaft through an input flange, the conductor rotor part comprises two conductor rotors, the permanent magnet rotor part is positioned between the two conductor rotors, an air gap is reserved between the conductor rotors and the permanent magnet rotor part, and the two conductor rotors are connected through an adjusting device;
the two conductor rotors are arranged on the adjusting device, the adjusting device comprises two connecting devices and a linkage device which are oppositely arranged, the two connecting devices are respectively positioned at the outer sides of the two conductor rotors, and the linkage device is arranged on the two connecting devices;
a radiating fin is fixed on the surface of one side of the conductor rotor, which is far away from the permanent magnet rotor component, two first connecting plates are fixed on the peripheral outer surface of the conductor rotor, wherein a threaded through hole is formed in the surface of one first connecting plate, and a circular through hole is formed in the surface of the other first connecting plate; a limiting cylinder is fixed on the other side surface of one conductor rotor, a positioning rod is fixed on the other side surface of the other conductor rotor, the two conductor rotors are oppositely arranged, and the positioning rod is matched with the limiting cylinder;
one of the connecting devices is arranged on the input shaft, the connecting device comprises a connecting disc, one side surface of the connecting disc, which is close to the conductor rotor, is fixedly provided with a fan blade, the other side surface of the connecting disc is fixedly provided with a mounting ring plate, the peripheral side outer surface of the connecting disc is provided with a second connecting plate, and the second connecting plate is provided with a mounting hole;
the linkage device comprises a first threaded rod and a second threaded rod, the first threaded rod and the second threaded rod are respectively arranged on the two connecting discs through bearings, and the thread directions of the first threaded rod and the second threaded rod are opposite; the end sides of the two threaded rods are respectively fixed with a first gear, the two first gears are meshed with a second gear, and the second gears are mounted on the mounting ring plate through bearings.
Further, the two first connecting plates are uniformly distributed on the conductor rotor along the circumferential direction.
Further, the inner diameter of the circular through hole formed in the first connecting plate is larger than the diameter of the threaded rod.
Further, the two conductor rotors are all installed on the two threaded rods through the first connecting plate, the first connecting plate close to the upper end of the conductor rotor at the output end is provided with a threaded through hole, the threaded through hole is in threaded fit with the second threaded rod, the first connecting plate close to the lower end of the conductor rotor at the input end is provided with a threaded through hole, and the threaded through hole is matched with the first threaded rod.
The invention has the beneficial effects that:
the permanent magnet eddy hysteresis coupling adopts the two conductor rotors which are oppositely arranged at the two sides of the permanent magnet rotor part, so that the double-sided transmission effect is achieved, and the two conductor rotors can transmit larger torque, so that the permanent magnet eddy hysteresis coupling is suitable for more application occasions;
meanwhile, an adjusting device is adopted to adjust an air gap between two conductor rotors and a permanent magnet rotor part, a first threaded rod of the adjusting device is connected with a motor, the motor drives the motor to rotate, a first gear on the motor is driven to rotate, and through meshing transmission of the gears, the other first gear drives a second threaded rod to rotate at the same rotating speed and in the same direction; because the two conductor rotors are respectively matched with the first threaded rod and the second threaded rod, and the directions of the threads of the first threaded rod and the second threaded rod are opposite, the two conductor rotors can move in opposite directions along the axial direction (i.e. approach or move away from each other), so that the air gap adjustment between the two conductor rotors and the permanent magnet rotor part is achieved; meanwhile, when the double-sided transmission permanent magnet eddy hysteresis coupling works, the connecting disc is arranged on the input shaft, so that the whole adjusting device can rotate along with the input shaft, the fan blades are arranged on the surface, close to one side of the conductor rotor, of the connecting disc, in the rotating process, the fan blades can accelerate air circulation near the conductor rotor, heat of the conductor rotor is conducted through the cooling fins, and then the fan blades rapidly take away the heat, so that a good heat dissipation effect is achieved, and the temperature of the hysteresis coupling is ensured to be in a safe range.
Drawings
The present invention is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
FIG. 1 is a schematic diagram of a double-sided drive permanent magnet eddy hysteresis coupling of the present invention;
FIG. 2 is a schematic view of a part of the structure of FIG. 1;
FIG. 3 is a schematic view of the conductor rotor assembly of the present invention;
fig. 4 is a partial schematic structure of fig. 3.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, a double-sided transmission permanent magnet eddy hysteresis coupling, as shown in fig. 1, includes a mounting cylinder 1, an output bearing seat part 2 is mounted on a bottom plate of the mounting cylinder 1, an output flange 3 is mounted on the output bearing seat part 2, a permanent magnet rotor part 4 is mounted on the output flange 3, a conductor rotor part 5 is mounted on an input shaft through an input flange 6, the conductor rotor part 5 includes two conductor rotors 501, the permanent magnet rotor part 4 is located between the two conductor rotors 501, an air gap is reserved between the conductor rotors 501 and the permanent magnet rotor part 4, and the two conductor rotors 501 are connected through an adjusting device 7;
as shown in fig. 2, two conductor rotors 501 are mounted on the adjusting device 7, the adjusting device 7 comprises two connecting devices 71 and a linkage device 72 which are oppositely arranged, the two connecting devices 71 are respectively positioned at the outer sides of the two conductor rotors 501, and the linkage device 72 is mounted on the two connecting devices 71; as shown in fig. 3, a heat dissipation plate 503 is fixed on one side surface of the conductor rotor 501 far from the permanent magnet rotor component 4, and is used for dissipating heat of the conductor rotor 501, two first connection plates 502 are fixed on the peripheral side outer surface of the conductor rotor 501, the two first connection plates 502 are uniformly distributed on the conductor rotor 501 along the circumferential direction, a threaded through hole 504 is formed on the surface of one first connection plate 502, and a circular through hole 505 is formed on the surface of the other first connection plate 502; a limiting cylinder 506 is fixed on the other side surface of one conductor rotor 501, a positioning rod 507 is fixed on the other side surface of the other conductor rotor 501, the two conductor rotors 501 are oppositely arranged, and the positioning rod 507 is matched with the limiting cylinder 506;
as shown in fig. 4, one of the connection devices 71 is mounted on the input shaft, the connection device 71 comprises a connection disc 711, the connection disc 711 is mounted on the input shaft, one side surface of the connection disc 711, which is close to the conductor rotor 501, is fixed with a fan blade 712, the other side surface is fixed with a mounting ring plate 713, the peripheral outer surface of the connection disc 711 is provided with a second connection plate 714, and the second connection plate 714 is provided with a mounting hole;
the linkage device 72 comprises a first threaded rod 721 and a second threaded rod 722, the first threaded rod 721 and the second threaded rod 722 are respectively arranged on the two connecting discs 711 through bearings, and the first threaded rod 721 and the second threaded rod 722 are identical in all specifications except for the fact that the directions of threads are opposite; the first threaded rod 721 is connected with a motor, and the motor drives the motor to rotate; a first gear 723 is fixed on the end sides of the two threaded rods, the two first gears 723 are meshed with a second gear 724, and the second gear 724 is mounted on the mounting ring plate 713 through a bearing;
it should be noted that, as shown in fig. 3, the two conductor rotors 501 are mounted on the two threaded rods through the first connection plate 502, and the first connection plate 502 near the upper end of the conductor rotor 501 at the output end is provided with a threaded through hole 504, the threaded through hole 504 is in threaded fit with the second threaded rod 722, the first connection plate 502 near the lower end of the conductor rotor 501 at the input end is provided with a threaded through hole 504, and the threaded through hole 504 is in fit with the first threaded rod 721; the inner diameter of the circular through hole formed on the first connecting plate 502 is larger than the diameter of the threaded rod;
the operating principle and mode of the adjusting device 7 are as follows:
the first threaded rod 721 is connected with a motor, the motor drives the motor to rotate, the first gear 723 on the motor is driven to rotate, and the other first gear 723 drives the second threaded rod 722 to rotate in the same rotation speed and direction through the meshing transmission of the gears; because the two conductor rotors 501 are respectively matched with the first threaded rod 721 and the second threaded rod 722, and the thread directions of the first threaded rod 721 and the second threaded rod 722 are opposite, the two conductor rotors 501 can move in opposite directions along the axial direction (i.e. move close to or away from each other), so that the air gap adjustment between the two conductor rotors 501 and the permanent magnet rotor part 4 is achieved; meanwhile, when the double-sided transmission permanent magnet eddy hysteresis coupling works, as the connecting disc 711 is arranged on the input shaft, the whole adjusting device 7 rotates along with the input shaft, the surface of the connecting disc 711, which is close to one side of the conductor rotor 501, is provided with the fan blades 712, in the rotating process, the fan blades 712 can accelerate the air circulation near the conductor rotor 501, and after the heat of the conductor rotor 501 is conducted through the heat dissipation fins 503, the fan blades 712 rapidly take away the heat, so that a good heat dissipation effect is achieved, and the temperature of the hysteresis coupling is ensured to be in a safe range.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (2)
1. The double-sided transmission permanent magnet eddy hysteresis coupling is characterized by comprising a mounting cylinder (1), wherein an output bearing seat part (2) is mounted on a bottom plate of the mounting cylinder (1), an output flange (3) is mounted on the output bearing seat part (2), a permanent magnet rotor part (4) is mounted on the output flange (3), a conductor rotor part (5) is mounted on an input shaft through an input flange (6), the conductor rotor part (5) comprises two conductor rotors (501), the permanent magnet rotor part (4) is positioned between the two conductor rotors (501), an air gap is reserved between the conductor rotors (501) and the permanent magnet rotor part (4), and the two conductor rotors (501) are connected through an adjusting device (7);
the two conductor rotors (501) are arranged on the adjusting device (7), the adjusting device (7) comprises two connecting devices (71) and a linkage device (72) which are oppositely arranged, the two connecting devices (71) are respectively positioned at the outer sides of the two conductor rotors (501), and the linkage device (72) is arranged on the two connecting devices (71);
a radiating fin (503) is fixed on the surface of one side, far away from the permanent magnet rotor component (4), of the conductor rotor (501), two first connecting plates (502) are fixed on the peripheral side outer surface of the conductor rotor (501), threaded through holes (504) are formed in the surface of one first connecting plate (502), and circular through holes (505) are formed in the surface of the other first connecting plate (502); a limiting cylinder (506) is fixed on the other side surface of one conductor rotor (501), a positioning rod (507) is fixed on the other side surface of the other conductor rotor (501), the two conductor rotors (501) are oppositely arranged, and the positioning rod (507) is matched with the limiting cylinder (506);
one of the connecting devices (71) is arranged on the input shaft, the connecting device (71) comprises a connecting disc (711), one side surface of the connecting disc (711) close to the conductor rotor (501) is fixedly provided with a fan blade (712), the other side surface is fixedly provided with a mounting annular plate (713), the peripheral outer surface of the connecting disc (711) is provided with a second connecting plate (714), and the second connecting plate (714) is provided with a mounting hole;
the linkage device (72) comprises a first threaded rod (721) and a second threaded rod (722), the first threaded rod (721) and the second threaded rod (722) are respectively arranged on the two connecting discs (711) through bearings, and the directions of threads of the first threaded rod (721) and the second threaded rod (722) are opposite; the end sides of the two threaded rods are respectively fixed with a first gear (723), the two first gears (723) are meshed with a second gear (724), and the second gears (724) are mounted on the mounting ring plate (713) through bearings;
the two first connecting plates (502) are uniformly distributed on the conductor rotor (501) along the circumferential direction;
two conductor rotors (501) are arranged on the two threaded rods through a first connecting plate (502), the first connecting plate (502) close to the upper end of the conductor rotor (501) at the output end is provided with a threaded through hole (504), the threaded through hole (504) is in threaded fit with a second threaded rod (722), the first connecting plate (502) close to the lower end of the conductor rotor (501) at the input end is provided with a threaded through hole (504), and the threaded through hole (504) is matched with the first threaded rod (721).
2. A double-sided drive permanent magnet eddy current hysteresis coupling according to claim 1 wherein the first connection plate (502) has a circular through hole (505) with an inner diameter larger than the diameter of the threaded rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910596205.3A CN110336434B (en) | 2019-07-03 | 2019-07-03 | Double-sided transmission permanent magnet eddy hysteresis coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910596205.3A CN110336434B (en) | 2019-07-03 | 2019-07-03 | Double-sided transmission permanent magnet eddy hysteresis coupling |
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| Publication Number | Publication Date |
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| CN110336434A CN110336434A (en) | 2019-10-15 |
| CN110336434B true CN110336434B (en) | 2024-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910596205.3A Active CN110336434B (en) | 2019-07-03 | 2019-07-03 | Double-sided transmission permanent magnet eddy hysteresis coupling |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113472241B (en) * | 2021-07-19 | 2023-08-25 | 大连交通大学 | Five-degree-of-freedom permanent magnet magnetic levitation motor |
| CN114268211B (en) * | 2021-11-30 | 2023-09-01 | 安徽工程大学 | Permanent magnet eddy current coupler with adjustable transmission efficiency |
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| CN104660007A (en) * | 2015-01-30 | 2015-05-27 | 安徽沃弗电力科技有限公司 | Double-support permanent magnet eddy-current flexible transmission |
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| CN109412380A (en) * | 2018-12-10 | 2019-03-01 | 杨晓伟 | Controllable output rigidity permanent magnet eddy current coupling |
| CN210273781U (en) * | 2019-07-03 | 2020-04-07 | 南京渥孚磁动力科技有限公司 | Double-sided transmission permanent magnet eddy current hysteresis coupling |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5460566B2 (en) * | 2010-12-13 | 2014-04-02 | 株式会社日立製作所 | Axial gap type rotating electrical machine |
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2019
- 2019-07-03 CN CN201910596205.3A patent/CN110336434B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103904861A (en) * | 2014-03-14 | 2014-07-02 | 辽阳泰科雷诺科技有限公司 | Double-tray-type permanent magnet eddy-current coupler with fixed end surface |
| CN204103739U (en) * | 2014-11-05 | 2015-01-14 | 郑州大学 | A kind of soft start permanent magnet eddy current coupling |
| CN104660007A (en) * | 2015-01-30 | 2015-05-27 | 安徽沃弗电力科技有限公司 | Double-support permanent magnet eddy-current flexible transmission |
| WO2017131524A2 (en) * | 2016-01-27 | 2017-08-03 | Zytec B.V. | Magnetic coupling assembly |
| CN105958791A (en) * | 2016-06-28 | 2016-09-21 | 江苏大学 | Magnet radial movement adjustable-speed magnetic coupler |
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| CN110336434A (en) | 2019-10-15 |
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