CN114465380B - Motor rotor and high-speed permanent magnet motor - Google Patents
Motor rotor and high-speed permanent magnet motor Download PDFInfo
- Publication number
- CN114465380B CN114465380B CN202210296046.7A CN202210296046A CN114465380B CN 114465380 B CN114465380 B CN 114465380B CN 202210296046 A CN202210296046 A CN 202210296046A CN 114465380 B CN114465380 B CN 114465380B
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- China
- Prior art keywords
- rotor
- axostylus axostyle
- spring
- fixedly connected
- smooth roller
- 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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- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 238000001125 extrusion Methods 0.000 claims abstract description 10
- 230000017525 heat dissipation Effects 0.000 claims abstract description 9
- 238000010030 laminating Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000010009 beating Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/32—Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention provides a motor rotor and a high-speed permanent magnet motor, and relates to the field of motors. The motor rotor comprises a rotor, wherein shaft rods are arranged on two side surfaces of the rotor, a limiting mechanism is arranged on the side surfaces of the shaft rods, an elastic mechanism is arranged in the limiting mechanism, a heat dissipation mechanism is arranged on the front surface of the rotor, and end rings are arranged on two side surfaces of the rotor. Through stop gear and the elastic mechanism that sets up, because the spacing ring cup joints on the surface of axostylus axostyle, make smooth roller can play spacing purpose to the axostylus axostyle with the surface laminating of axostylus axostyle, when the axostylus axostyle rotates and appears rocking, the axostylus axostyle can promote smooth roller and remove, makes smooth roller can promote the ejector pin to the spring extrusion, when the spring receives the extrusion, can rebound to promote the ejector pin to remove smooth roller and can laminate with the surface of axostylus axostyle again with the elasticity of spring, with the axostylus axostyle spacing to the rocking of production when the axostylus axostyle rotates has been reduced.
Description
Technical Field
The invention relates to the technical field of motors, in particular to a motor rotor and a high-speed permanent magnet motor.
Background
Permanent magnet generators are motors that use permanent magnets instead of current excitation to produce a primary magnetic field, the permanent magnets being both the source of the magnet in the motor and an integral part of the magnetic circuit. The permanent magnet generator has the advantages of high efficiency, energy saving, low carbon, high power, small volume and the like as a motor for a vehicle, and meanwhile, the high-speed permanent magnet motor has the advantages of high rotation speed, small volume, high power density, high operation efficiency and the like, and is widely applied to the industrial fields of high-speed grinding machines, energy storage flywheel, high-speed centrifugal compressors, blowers and the like. The high-speed permanent magnet motor is driven by the frequency conversion device and is directly connected with a load, so that the traditional gear speed increasing structure is omitted, the efficiency of the whole transmission system is improved, the high-speed permanent magnet motor is favored by the public, and the use efficiency of the high-speed permanent magnet motor is improved;
however, when the existing high-speed permanent magnet motor is used, the motor rotor is used as an important part of the high-speed permanent magnet motor for a long time, the shaft rod is easy to shake, so that the transmission effect of the high-speed permanent magnet motor is reduced, the use is influenced, and meanwhile, when the motor rotor and the stator rotate for a long time, the motor rotor and the stator cannot be close to a heat source to dissipate heat, so that the heat dissipation effect of the motor rotor and the stator is reduced, a large amount of heat is easily generated inside the motor rotor and the stator to cause damage, and the service life of the device is greatly reduced.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a motor rotor and a high-speed permanent magnet motor, and solves the problems of shaking and heat dissipation of the rotor and the stator when a shaft lever rotates.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a motor rotor, includes the rotor, the both sides surface of rotor all is provided with the axostylus axostyle, the side surface of axostylus axostyle is provided with stop gear, stop gear's inside is provided with elastic mechanism, the front surface of rotor is provided with heat dissipation mechanism, the both sides surface of rotor all is provided with the end ring.
Preferably, the limiting mechanism comprises a limiting ring, a moving rod is slidably connected in the limiting ring, a smooth roller is fixedly connected to one end, close to the limiting ring, of the moving rod, and the smooth roller is slidably connected with the limiting ring.
Preferably, the elastic mechanism comprises an extrusion pipe, a spring is fixedly connected to the inside of the extrusion pipe, an ejector rod is fixedly connected to one end of the spring away from the extrusion pipe, one end of the ejector rod away from the spring is connected with the smooth roller, and the ejector rod is located on the right side of the movable rod.
Preferably, the heat dissipation mechanism comprises a hollowed-out plate, the front surface of the hollowed-out plate is fixedly connected with a mounting rod, the side surface of the mounting rod is provided with a rubber strip, and the rubber strip is attached to the hollowed-out plate.
Preferably, the front surface of the end ring is fixedly connected with a fixing plate, the front surface of the fixing plate is fixedly connected with a fixing block, and the side surface of the fixing block is movably connected with a roller.
Preferably, the side surface of the end ring is fixedly connected with a rotor blade.
A high-speed permanent magnet motor comprises a stator and the motor rotor.
(III) beneficial effects
The invention provides a motor rotor and a high-speed permanent magnet motor. The beneficial effects are as follows:
1. compared with the prior art, through stop gear and the elastic mechanism that sets up, owing to the spacing collar suit is at the surface of axostylus axostyle, make smooth roller can play spacing purpose to the axostylus axostyle with the surface laminating of axostylus axostyle, when the axostylus axostyle rotates and appears rocking, the axostylus axostyle can promote smooth roller and remove, make smooth roller can promote the ejector pin to the spring extrusion, when the spring receives the extrusion, but utilize the elasticity rebound promotion ejector pin of spring to remove smooth roller and can laminate with the surface of axostylus axostyle again, with the axostylus axostyle spacing, thereby the rocking that produces when having reduced the axostylus axostyle and rotated.
2. Compared with the prior art, through the heat dissipation mechanism who sets up, utilize the fretwork board can improve the mobility of rotor and stator inside air, rotor and stator are when rotating, and the rubber strip receives the rotation influence can be in the surface of stator can throw, when the rubber strip is throwing, can beat the fretwork board, can produce wind-force in the process of beating to can play radiating purpose to the device.
3. Compared with the prior art, through the gyro wheel that sets up, because gyro wheel and high-speed permanent magnet motor's inside laminating, can drive the gyro wheel when rotor and stator rotate and rotate, make the gyro wheel can roll at high-speed permanent magnet motor's inner wall to can improve the steadiness of rotor and stator when rotating.
Drawings
FIG. 1 is a schematic view of a rotor structure according to the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1A according to the present invention;
FIG. 3 is a schematic view of the structure of FIG. 1B according to the present invention;
FIG. 4 is a schematic view of a hollow-out plate structure of the present invention;
fig. 5 is a schematic structural diagram of the high-speed permanent magnet motor of the present invention.
Wherein, 1, a rotor; 2. a heat dissipation mechanism; 201. a hollowed-out plate; 202. a rubber strip; 203. a mounting rod; 3. an end ring; 4. rotor blade; 5. a shaft lever; 6. a limiting mechanism; 601. a limiting ring; 602. a moving rod; 603. a smoothing roller; 7. an elastic mechanism; 701. extruding the tube; 702. a spring; 703. a push rod;
8. a roller; 9. a fixing plate; 10. and a fixed block.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but 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.
Example 1
As shown in fig. 1-4, the embodiment of the invention provides a motor rotor, including a rotor 1, shaft rods 5 are disposed on two side surfaces of the rotor 1, a limit mechanism 6 is disposed on a side surface of the shaft rods 5, the limit mechanism 6 includes a limit ring 601, a moving rod 602 is slidably connected in the limit ring 601, one end of the moving rod 602, which is close to the limit ring 601, is fixedly connected with a smooth roller 603, and the smooth roller 603 is slidably connected with the limit ring 601, because the limit ring 601 is sleeved on a surface of the shaft rods 5, the smooth roller 603 can be attached to the surface of the shaft rods 5, when the shaft rods 5 rotate, the smooth roller 603 can play a limit role for the shaft rods 5, an elastic mechanism 7 is disposed in the limit mechanism 6, the elastic mechanism 7 includes a squeeze tube 701, a spring 702 is fixedly connected in the interior of the squeeze tube 701, one end, which is far away from the squeeze tube 701, of the spring 703 is fixedly connected with a push rod 703, one end, which is far away from the spring 703, is connected with the smooth roller 603, and the push rod 703 is located on the right side of the moving rod 602, when the shaft rods 5 appear, the smooth roller 603 can push the smooth roller 603, and the smooth roller 603 can push the spring 702 to squeeze the spring 702, when the spring 702 to squeeze the spring 702, and the spring 702, the spring 702 can rebound, when the spring 702 can be pushed by the smooth roller 603, and the spring 702 can shake, and the surface of the shaft rods, and can be pushed by the spring 702, and can shake.
Through setting up above structure, conveniently play spacing purpose to axostylus axostyle 5, make it can reduce the rocking of axostylus axostyle 5 when rotating, improve the practicality of device.
The front surface of rotor 1 is provided with cooling mechanism 2, cooling mechanism 2 includes fretwork board 201, and the fretwork board is laminated mutually with the stator, utilize fretwork board 201 can improve the mobility of rotor 1 and the inside air of stator, the front surface fixedly connected with installation pole 203 of fretwork board 201, the side surface of installation pole 203 is provided with rubber strip 202, and rubber strip 202 is laminated mutually with fretwork board 201, when rotor 1 and stator are rotating, rubber strip 202 is influenced by the rotation and can be swung at the surface of stator, when rubber strip 202 is being swung, can beat fretwork board 201, can produce wind-force at the in-process of beating, thereby can play radiating purpose to the device.
Through setting up above structure, make it can improve the air flowability between rotor 1 and the stator, utilize beating of rubber strip 202 simultaneously can dispel the heat the cooling between rotor 1 and the stator to can improve the life of device.
The both sides surface of rotor 1 all is provided with end ring 3, the front surface fixedly connected with fixed plate 9 of end ring 3, the front surface fixedly connected with fixed block 10 of fixed plate 9, the side surface swing joint of fixed block 10 has gyro wheel 8, when rotor 1 and stator are rotating, gyro wheel 8 can laminate with high-speed permanent-magnet machine's inside, make it can improve the steadiness of rotor 1 and stator when rotating, end ring 3's side surface fixedly connected with rotor blade 4, rotor 1 and stator can drive rotor blade 4 and rotate when rotating, make rotor blade 4 can play the radiating purpose to the rotation department of axostylus axostyle 5.
Through setting up above structure, can effectively improve the steadiness when rotor 1 and stator rotate, utilize rotor fan blade 4 can dispel the heat to the junction of axostylus axostyle 5 and high-speed permanent magnet motor simultaneously.
Example 2
As shown in fig. 5, the embodiment of the invention provides a high-speed permanent magnet motor, which comprises a stator and a rotor 1 in the first embodiment, wherein the stator is sleeved on the outer surface of the rotor 1, and by using the rotor 1, the performance of the high-speed permanent magnet motor is better, and the use benefit is improved.
Working principle: because the spacing ring is sleeved on the surface of the shaft rod, the smooth roller can be attached to the surface of the shaft rod, so that the shaft rod can play a role in spacing, when the shaft rod rotates and shakes, the shaft rod can push the smooth roller to move, so that the smooth roller can push the ejector rod to extrude the spring, when the spring is extruded, the elasticity of the spring can be utilized to rebound to push the ejector rod to move the smooth roller to attach to the surface of the shaft rod again, the shaft rod is limited, so that shaking generated when the shaft rod rotates is reduced, when the rotor and the stator rotate, the rubber strip can be swung to beat the hollowed-out plate under the influence of rotation, wind force can be generated in the beating process, so that the device can be heat-dissipating, and meanwhile, when the rotor and the stator rotate, the roller can improve the stability of the rotor and the stator during rotation, and the connection of the shaft rod and the high-speed permanent magnet motor can be heat-dissipating by utilizing the rotor blade.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. An electric motor rotor comprising a rotor (1), characterized in that: the novel rotor comprises a rotor body and is characterized in that shaft rods (5) are arranged on two side surfaces of the rotor (1), a limiting mechanism (6) is arranged on the side surfaces of the shaft rods (5), an elastic mechanism (7) is arranged in the limiting mechanism (6), a heat dissipation mechanism (2) is arranged on the front surface of the rotor (1), and end rings (3) are arranged on two side surfaces of the rotor (1);
the limiting mechanism (6) comprises a limiting ring (601), a moving rod (602) is connected inside the limiting ring (601) in a sliding mode, a smooth roller (603) is fixedly connected to one end, close to the limiting ring (601), of the moving rod (602), and the smooth roller (603) is connected with the limiting ring (601) in a sliding mode;
the elastic mechanism (7) comprises an extrusion pipe (701), a spring (702) is fixedly connected to the inside of the extrusion pipe (701), a push rod (703) is fixedly connected to one end, away from the extrusion pipe (701), of the spring (702), one end, away from the spring (702), of the push rod (703) is connected with a smooth roller (603), and the push rod (703) is located on the right side of the moving rod (602);
the heat dissipation mechanism (2) comprises a hollowed-out plate (201), wherein the front surface of the hollowed-out plate (201) is fixedly connected with a mounting rod (203), the side surface of the mounting rod (203) is provided with a rubber strip (202), and the rubber strip (202) is attached to the hollowed-out plate (201);
the front surface of end ring (3) fixedly connected with fixed plate (9), the front surface fixedly connected with fixed block (10) of fixed plate (9), the side surface swing joint of fixed block (10) has gyro wheel (8).
2. A motor rotor as set forth in claim 1, wherein: the side surface of the end ring (3) is fixedly connected with rotor blades (4).
3. A high-speed permanent magnet motor, characterized by: comprising a stator and a motor rotor according to any of claims 1-2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210296046.7A CN114465380B (en) | 2022-03-24 | 2022-03-24 | Motor rotor and high-speed permanent magnet motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210296046.7A CN114465380B (en) | 2022-03-24 | 2022-03-24 | Motor rotor and high-speed permanent magnet motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114465380A CN114465380A (en) | 2022-05-10 |
| CN114465380B true CN114465380B (en) | 2024-02-09 |
Family
ID=81417196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210296046.7A Active CN114465380B (en) | 2022-03-24 | 2022-03-24 | Motor rotor and high-speed permanent magnet motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114465380B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7804781A (en) * | 1977-05-04 | 1978-11-07 | Kutzner Luitpold | MOTORICALLY ADJUSTABLE SHUT-OFF VALVE FOR FIREOVES. |
| CN101408228A (en) * | 2008-09-11 | 2009-04-15 | 江门市汉宇电器有限公司 | Transmission device between working component and rotor of permanent magnetism synchronous electric machine |
| CN101592284A (en) * | 2009-06-26 | 2009-12-02 | 中国兵器工业第二〇五研究所 | Mechanical elastic large-angle slewing limit mechanism |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101852111B1 (en) * | 2016-09-13 | 2018-04-25 | 엘지전자 주식회사 | Motor |
-
2022
- 2022-03-24 CN CN202210296046.7A patent/CN114465380B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7804781A (en) * | 1977-05-04 | 1978-11-07 | Kutzner Luitpold | MOTORICALLY ADJUSTABLE SHUT-OFF VALVE FOR FIREOVES. |
| CN101408228A (en) * | 2008-09-11 | 2009-04-15 | 江门市汉宇电器有限公司 | Transmission device between working component and rotor of permanent magnetism synchronous electric machine |
| CN101592284A (en) * | 2009-06-26 | 2009-12-02 | 中国兵器工业第二〇五研究所 | Mechanical elastic large-angle slewing limit mechanism |
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| Publication number | Publication date |
|---|---|
| CN114465380A (en) | 2022-05-10 |
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