CN111614176B - Rotor structure, motor and vehicle - Google Patents
Rotor structure, motor and vehicle Download PDFInfo
- Publication number
- CN111614176B CN111614176B CN202010392943.9A CN202010392943A CN111614176B CN 111614176 B CN111614176 B CN 111614176B CN 202010392943 A CN202010392943 A CN 202010392943A CN 111614176 B CN111614176 B CN 111614176B
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- China
- Prior art keywords
- rotor
- rotating shaft
- rotor punching
- sheets
- structure according
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- 238000004080 punching Methods 0.000 claims abstract description 74
- 229910000831 Steel Inorganic materials 0.000 abstract description 35
- 239000010959 steel Substances 0.000 abstract description 35
- 238000000034 method Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Images
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
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
-
- 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
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The application provides a rotor structure, motor and vehicle, a serial communication port, including rotor body, rotor body is last to be provided with rotation portion, rotor body includes a plurality of rotor punching, and is a plurality of the rotor punching can use rotation portion rotates as the center. The rotor structure provided by the embodiment of the invention can be used for conveniently inserting the magnetic steel, and when the magnetic steel is broken in the rotor, the broken magnetic steel can be conveniently taken out, so that the working procedure is simplified, and the working efficiency is improved.
Description
Technical Field
The application belongs to the technical field of transportation equipment, and particularly relates to a rotor structure, a motor and a vehicle.
Background
Nowadays, motors have been applied to various aspects of life, and become an indispensable part of life. The method is widely applied to industries such as automobiles, motorcycles, electric bicycles, storage battery vehicles, ships, aviation, machinery and the like, and also widely applied to some high-precision products. The number of motors produced each year is more than billions, and the number of manufacturers producing the motors is countless. The structure of the motor mainly comprises a stator, a rotor, a shaft, a shell, a front end cover and a rear end cover. The stator is in over-win fit with the casing, and the rotor is fixed on the rotor shaft. The rotor is composed of silicon steel sheets and magnetic steel.
The permanent magnet motor is one of common motors, magnetic steel needs to be inserted into a rotor of the permanent magnet motor, the magnetic steel is low in hardness and brittleness and easy to break in the using and machining processes, and particularly, long and thin magnetic steel is usually needed to be used in a large motor and is easy to break. In case the magnet steel is cracked in the rotor, extremely difficult taking out cracked magnet steel from the stator, need all dismantle the rotor punching earlier, take out cracked magnet steel again, the process is very loaded down with trivial details, seriously influences work efficiency.
Disclosure of Invention
Consequently, the technical problem that this application will be solved lies in providing a rotor structure, can be convenient for insert and establish the magnet steel, when the magnet steel is when the rotor internal fracture, can be convenient for take out cracked magnet steel.
In order to solve the problem, the application provides a rotor structure, including rotor body, rotor body is last to be provided with rotation portion, rotor body includes a plurality of rotor punching, and is a plurality of the rotor punching can use rotation portion rotates as the center.
Preferably, a rotating shaft hole is formed in the rotor body, the rotating portion comprises a rotating shaft, the rotating shaft is arranged in the rotating shaft hole, and the rotor punching sheet can rotate in the circumferential direction of the rotating shaft by taking the rotating shaft as a center.
Preferably, the central axis of the rotating shaft and the central axis of the rotating shaft hole are perpendicular to the rotor punching sheet.
Preferably, the rotor punching sheet is provided with a permanent magnet mounting groove, the rotor body comprises a first rotor punching sheet, and the first rotor punching sheet rotates by taking the rotating part as a center, so that the permanent magnet mounting groove on the first rotor punching sheet is staggered with the adjacent rotor punching sheet.
Preferably, the length of the rotation shaft is not less than the length of the rotor body in the axial direction.
Preferably, the rotor body is further provided with a fixing portion, and when the plurality of rotor punching sheets are overlapped in the extending direction of the central axis of the rotating shaft, the fixing portion can lock the plurality of rotor punching sheets.
Preferably, be provided with the fixed orifices on the rotor punching, work as a plurality of rotor punching are in when the extending direction of the axis of rotation axis overlaps, it is a plurality of fixed orifices on the rotor punching are aimed at, the fixed part includes the fixed pin, the fixed pin penetrates a plurality of the rotor punching in the fixed orifices, with a plurality of the rotor punching is locked.
Preferably, the hole diameter of the fixing hole is smaller than that of the rotating shaft hole, and the diameter of the fixing pin is smaller than that of the rotating shaft.
In another aspect of the present application, there is provided an electric machine comprising a rotor structure as described above.
In another aspect of the present application, a vehicle is provided, including a rotor structure as described above.
Advantageous effects
The rotor structure provided by the embodiment of the invention can be used for conveniently inserting the magnetic steel, and when the magnetic steel is broken in the rotor, the broken magnetic steel can be conveniently taken out, so that the working procedure is simplified, and the working efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of a first structure according to an embodiment of the present application;
FIG. 2 is a second structural diagram of an embodiment of the present application;
FIG. 3 is a schematic structural view of a rotor body according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a rotating shaft according to an embodiment of the present application.
The reference numerals are represented as:
1. a rotor body; 11. a rotating shaft hole; 12. a fixing hole; 2. a rotating shaft; 3. and fixing the pin.
Detailed Description
With reference to fig. 1 to 4, according to an embodiment of the present application, a rotor structure includes a rotor body 1, a rotating portion is provided on the rotor body 1, the rotor body 1 includes a plurality of rotor sheets, and the plurality of rotor sheets can rotate around the rotating portion. Through setting up the rotation portion, make the rotor punching can use the rotation portion to rotate as the center, can realize that different rotor punching misplaces the setting on rotor body 1's axial direction, wherein the permanent magnet mounting groove of one or more rotor punching misplaces mutually with adjacent rotor punching promptly, is convenient for insert the magnet steel or take out the fracture magnet steel in this permanent magnet mounting groove, has simplified the process, has improved work efficiency.
Further, the rotor sheets are stacked along the axial direction to form the rotor body 1.
The rotor body 1 is provided with a rotating shaft hole 11, the rotating portion comprises a rotating shaft 2, the rotating shaft 2 is arranged in the rotating shaft hole 11, and the rotor punching sheet can rotate in the circumferential direction of the rotating shaft 2 by taking the rotating shaft 2 as a center. Through setting up pivot hole 11 and rotation axis 2, realized the rotation of rotor punching.
Furthermore, all the rotor sheets can rotate around the rotating shaft 2 by taking the rotating shaft 2 as a rotating center.
Furthermore, all rotor punching sheets can rotate 360 degrees around the rotating shaft 2, and more dislocation spaces are provided for the rotor punching sheets and the permanent magnet mounting grooves.
The axis of rotation axis 2, the axis of pivot hole 11 set up with the rotor punching is perpendicular, makes the rotor punching rotatory in the circumference direction of rotation axis 2, has guaranteed rotatory stability.
As shown in fig. 1, the rotating shaft 2 is inserted into each rotor sheet perpendicularly to the top surface of the rotor sheet.
Be provided with the permanent magnet mounting groove on the rotor punching, rotor body 1 includes first rotor punching, and first rotor punching uses the rotating part to rotate as the center to make permanent magnet mounting groove on the first rotor punching misplace mutually with adjacent rotor punching, further guaranteed to insert the convenience of establishing the magnet steel, when the magnet steel is cracked in the rotor, can be convenient for take out cracked magnet steel, simplified the process, improved work efficiency.
Furthermore, when inserting the magnet steel into the permanent magnet mounting groove on the first rotor punching sheet, or when taking out the cracked magnet steel in the permanent magnet mounting groove on the first rotor punching sheet, the first rotor punching sheet is rotated, so that the permanent magnet mounting groove on the first rotor punching sheet is separated from the adjacent rotor punching sheets, the permanent magnet mounting groove on the first rotor punching sheet is about to rotate to the outer sides of other rotor punching sheets, and the operation of inserting the magnet steel or taking out the cracked magnet steel can be more conveniently carried out.
The length of the rotating shaft 2 is not less than the length of the rotor body 1 along the axial direction, and the stability of the rotor punching sheet rotating around the rotating shaft 2 is guaranteed.
Further, the length of the rotating shaft 2 is equal to the length of the rotor body 1 in the axial direction, or the length of the rotating shaft 2 is slightly greater than the length of the rotor body 1 in the axial direction.
The rotor body 1 is further provided with a fixing portion, and when the plurality of rotor punching sheets are overlapped in the extending direction of the central axis of the rotating shaft 2, the fixing portion can lock the plurality of rotor punching sheets, so that the stability of the rotor body 1 is guaranteed.
Further, when a plurality of rotor sheets are overlapped in the extending direction of the central axis of the rotating shaft 2, that is, when the projections of the rotor sheets on one of the rotor sheets are completely overlapped.
Be provided with fixed orifices 12 on the rotor punching, when the extending direction of a plurality of rotor punching at the axis of rotation axis 2 overlaps, fixed orifices 12 on a plurality of rotor punching are aligned, and the fixed part includes fixed pin 3, and fixed pin 3 penetrates in fixed orifices 12 of a plurality of rotor punching to with a plurality of rotor punching locking. By providing the fixing hole 12 and the fixing pin 3, the stability of the rotor body 1 is ensured.
Further, the fixing pin 3 is arranged in parallel with the rotating shaft 2, and the central axis of the fixing hole 12 is parallel with the central axis of the rotating shaft hole 11.
Further, the fixing holes 12 may be plural, the number of the fixing pins 3 is equal to the number of the fixing holes 12, and when the fixing holes 12 are plural, the plural fixing holes 12 are uniformly provided on the rotor body 1 along the circumferential direction together with the rotation shaft hole 11.
Further, through setting up at least one fixed orifices 12 and fixed pin 3, realize the fixed of each rotor punching with rotation axis 2 together, prevent that the assembly from accomplishing back rotor punching and rotate around rotation axis 2.
In one embodiment, the diameter of the fixing hole 12 is smaller than that of the rotating shaft hole 11, and the diameter of the fixing pin 3 is smaller than that of the rotating shaft 2.
Furthermore, the rotating shaft hole 11 is in small clearance fit with the rotating shaft 2, the diameter of the rotating shaft hole 11 is slightly larger than that of the rotating shaft 2, and the clearance is unilateral 0.03-0.08. The fixing pin 3 is matched with the fixing hole 12 in a small interference mode.
During assembly, the number of the rotor punching sheets is n, the n rotor punching sheets are overlapped, the length of the magnetic steel is equal to that of the rotor punching sheets, the rotating shaft 2 is firstly used for penetrating the rotating shaft holes 11 in the rotor punching sheets, the rotor punching sheets are sequentially connected together, the aperture of each rotating shaft hole 11 is slightly larger than the diameter of the rotating shaft 2, and each rotor punching sheet can freely rotate around the rotating shaft 2. When the magnetic steel is installed in the permanent magnet installation groove of one rotor punching sheet, the rotor punching sheet is rotated out, and then the magnetic steel is inserted into the permanent magnet installation groove. When the magnetic steel is broken, the rotor punching sheet with the broken magnetic steel is rotated out, the broken magnetic steel can be taken out, and the magnetic steel is inserted again.
In another aspect of the present embodiment, there is provided a motor including the rotor structure as described above.
In another aspect of the present embodiment, there is provided a vehicle including the rotor structure as described above.
The rotor structure provided by the embodiment of the invention can be used for conveniently inserting the magnetic steel, and when the magnetic steel is broken in the rotor, the broken magnetic steel can be conveniently taken out, so that the working procedure is simplified, and the working efficiency is improved.
It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.
The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed. The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present application, and these modifications and variations should also be considered as the protection scope of the present application.
Claims (9)
1. The rotor structure is characterized by comprising a rotor body (1), wherein a rotating part is arranged on the rotor body (1), the rotor body (1) comprises a plurality of rotor punching sheets, and the plurality of rotor punching sheets can rotate by taking the rotating part as a center; the rotating part is arranged at the eccentric position of the rotor body (1);
the rotor punching sheet is provided with a permanent magnet mounting groove, the rotor body (1) comprises a first rotor punching sheet, and the first rotor punching sheet rotates by taking the rotating part as a center, so that the first rotor punching sheet is staggered with the adjacent rotor punching sheet, and the permanent magnet mounting groove on the first rotor punching sheet is not shielded by the adjacent rotor punching sheet.
2. The rotor structure according to claim 1, wherein a rotation shaft hole (11) is provided in the rotor body (1), the rotation portion includes a rotation shaft (2), the rotation shaft (2) is provided in the rotation shaft hole (11), and the rotor sheet is rotatable in a circumferential direction of the rotation shaft (2) centering on the rotation shaft (2).
3. The rotor structure according to claim 2, characterized in that the central axis of the rotating shaft (2) and the central axis of the rotating shaft hole (11) are perpendicular to the rotor sheet.
4. The rotor structure according to claim 2, characterized in that the length of the rotating shaft (2) is not less than the length of the rotor body (1) in the axial direction.
5. The rotor structure according to claim 2, characterized in that the rotor body (1) is further provided with a fixing portion, and when the plurality of rotor sheets are overlapped in the extending direction of the central axis of the rotating shaft (2), the fixing portion can lock the plurality of rotor sheets.
6. The rotor structure according to claim 5, characterized in that the rotor punching sheets are provided with fixing holes (12), when the plurality of rotor punching sheets are overlapped in the extending direction of the central axis of the rotating shaft (2), the fixing holes (12) on the plurality of rotor punching sheets are aligned, the fixing portion comprises a fixing pin (3), and the fixing pin (3) penetrates into the fixing holes (12) of the plurality of rotor punching sheets to lock the plurality of rotor punching sheets.
7. The rotor structure according to claim 6, characterized in that the bore diameter of the fixing hole (12) is smaller than the bore diameter of the rotating shaft hole (11), and the diameter of the fixing pin (3) is smaller than the diameter of the rotating shaft (2).
8. An electrical machine comprising a rotor structure according to any one of claims 1-7.
9. A vehicle, characterized by comprising a rotor structure according to any one of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010392943.9A CN111614176B (en) | 2020-05-11 | 2020-05-11 | Rotor structure, motor and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010392943.9A CN111614176B (en) | 2020-05-11 | 2020-05-11 | Rotor structure, motor and vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111614176A CN111614176A (en) | 2020-09-01 |
| CN111614176B true CN111614176B (en) | 2022-03-15 |
Family
ID=72205008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010392943.9A Active CN111614176B (en) | 2020-05-11 | 2020-05-11 | Rotor structure, motor and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111614176B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015019493A (en) * | 2013-07-10 | 2015-01-29 | トヨタ自動車株式会社 | Motor |
| CN106626949A (en) * | 2016-12-21 | 2017-05-10 | 重庆工业职业技术学院 | Multipurpose drawing tool storing box |
| CN107248793A (en) * | 2017-08-09 | 2017-10-13 | 珠海格力节能环保制冷技术研究中心有限公司 | Tangential motor, tangential rotor and its rotor core |
| CN210225084U (en) * | 2019-04-18 | 2020-03-31 | 沈阳众创高科节能电机技术有限公司 | Submersible motor rotor core section |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107591920A (en) * | 2017-09-11 | 2018-01-16 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotor and motor |
| CN110365180A (en) * | 2019-07-22 | 2019-10-22 | 宁波华表机械制造有限公司 | A kind of oblique magnetic pole type permanent magnet synchronous motor |
| CN110971073A (en) * | 2019-12-26 | 2020-04-07 | 台州市路桥鼎新阳光机电科技有限公司 | Permanent magnet speed reduction transmission motor |
-
2020
- 2020-05-11 CN CN202010392943.9A patent/CN111614176B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015019493A (en) * | 2013-07-10 | 2015-01-29 | トヨタ自動車株式会社 | Motor |
| CN106626949A (en) * | 2016-12-21 | 2017-05-10 | 重庆工业职业技术学院 | Multipurpose drawing tool storing box |
| CN107248793A (en) * | 2017-08-09 | 2017-10-13 | 珠海格力节能环保制冷技术研究中心有限公司 | Tangential motor, tangential rotor and its rotor core |
| CN210225084U (en) * | 2019-04-18 | 2020-03-31 | 沈阳众创高科节能电机技术有限公司 | Submersible motor rotor core section |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111614176A (en) | 2020-09-01 |
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