CN216390710U - Motor shaft structure convenient to equipment permanent-magnet machine rotor - Google Patents
Motor shaft structure convenient to equipment permanent-magnet machine rotor Download PDFInfo
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- CN216390710U CN216390710U CN202123250067.5U CN202123250067U CN216390710U CN 216390710 U CN216390710 U CN 216390710U CN 202123250067 U CN202123250067 U CN 202123250067U CN 216390710 U CN216390710 U CN 216390710U
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- 230000006978 adaptation Effects 0.000 claims description 2
- 241001125877 Gobio gobio Species 0.000 claims 1
- 238000003466 welding Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000000750 progressive effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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Abstract
The utility model discloses a motor shaft structure convenient for assembling a permanent magnet motor rotor, which relates to the technical field of motor shafts and comprises a first shaft section matched with the motor rotor, wherein a rotor positioning clamp spring groove, a rotor positioning groove and a rotor positioning table are sequentially arranged on the first shaft section, the first shaft section axially extends towards one side to form a second shaft section and a third shaft section, the rotor positioning clamp spring groove is close to the second shaft section, the diameter of the first shaft section is larger than that of the second shaft section, the diameter of the second shaft section is larger than that of the third shaft section, the first shaft section axially extends towards the other side to form a fourth shaft section, a fifth shaft section and a sixth shaft section, the diameter of the fourth shaft section is larger than that of the fifth shaft section, the diameter of the fifth shaft section is larger than that of the sixth shaft section, and all the shaft sections are coaxially arranged. According to the utility model, the rotor positioning clamp spring groove, the rotor positioning groove and the rotor positioning table are arranged on the first shaft section, so that the motor rotor is convenient to mount and dismount, and the damage to a motor shaft caused by the adoption of a welding mode in rotor assembly is avoided.
Description
Technical Field
The utility model relates to the technical field of motor shafts, in particular to a motor shaft structure convenient for assembling a permanent magnet motor rotor.
Background
Because the permanent magnet motor has high efficiency and is widely applied in various industries at present, the permanent magnet motor realizes good energy-saving effect. Many motor manufacturers also research and produce permanent magnet motors, but the design and manufacturing process of the permanent magnet motor do not have a complete standard system at present, and the permanent magnet motor is produced according to the structure and the manufacturing process of the traditional three-phase asynchronous motor in production. The permanent magnet motor is characterized in that a permanent magnet is embedded in a rotor to realize the existence of a permanent magnetic field, the rotor is provided with a magnet groove according to the design by adopting a silicon steel sheet, then a foot sheet is overlapped on a motor shaft, then a magnet is embedded in the magnet groove of the rotor, in order to fix the magnetic steel and the rotor, the rotor and the motor shaft are welded together by welding generally, the process is complex and inconvenient for the assembly of the rotor, the motor shaft is damaged by welding on the processed motor shaft, the rotor and the motor shaft are welded together, and the rotor is not convenient for the disassembly and maintenance of the motor shaft after being damaged.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a motor shaft structure for conveniently assembling a permanent magnet motor rotor, which aims to solve the problems in the background art, facilitate the assembly of the rotor, avoid the damage of the welding of the rotor assembly to the motor shaft, and avoid the play of the bearing and the rotor; the running stability and the service life of the motor are improved.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a motor shaft structure convenient to assemble permanent-magnet machine rotor, includes the first shaft part with the motor rotor adaptation, rotor location jump ring groove, rotor positioning groove and rotor location platform have set gradually on the first shaft part, first shaft part forms second shaft part and third shaft part to one side axial extension, just rotor location jump ring groove is close to the second shaft part, and the diameter of first shaft part is greater than the diameter of second shaft part, and the diameter of second shaft part is greater than the diameter of third shaft part, and first shaft part forms fourth shaft part, fifth shaft part and sixth shaft part to opposite side axial extension, and the diameter of fourth shaft part is greater than the diameter of fifth shaft part, and the diameter of fifth shaft part is greater than the diameter of sixth shaft part, wherein, the coaxial setting of each shaft part.
Further, the center position of the end surface of the third shaft section is provided with a threaded hole.
Further, a spindle head keyway is formed on the third shaft section.
Further, the fifth shaft section is provided with a bearing positioning clamp spring groove.
Further, the sixth shaft section is provided with a fan key groove and a fan positioning clamp spring groove.
According to the technical scheme, compared with the prior art, the motor shaft structure convenient for assembling the permanent magnet motor rotor is provided, the rotor positioning clamp spring groove, the rotor positioning groove and the rotor positioning table are arranged on the first shaft section, so that the motor rotor is convenient to mount and dismount, and the damage to the motor shaft caused by the traditional rotor assembly in a welding mode is avoided; through the setting in bearing location jump ring groove, it can be fixed to the bearing to install the jump ring at bearing location jump ring inslot, and then avoids bearing and rotor drunkenness, has improved the stability and the life of motor operation for equipment safe and reliable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a motor shaft structure for facilitating assembly of a permanent magnet motor rotor according to the present invention.
Wherein: 1 is a first shaft section; 2, a rotor positioning clamp spring groove; 3 is a rotor positioning groove; 4 is a rotor positioning table; 5 is a second shaft section; 6 is a third shaft section; a shaft head key groove is 7; 8 is a fourth shaft section; 9 is a fifth shaft section; 10 is a sixth shaft section; 11 is a threaded hole; 12 is a bearing positioning clamp spring groove; 13 is a fan key groove; and 14 is a fan positioning clamp spring groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the embodiment of the utility model discloses a motor shaft structure convenient for assembling a permanent magnet motor rotor, which comprises a first shaft section 1 matched with the motor rotor, wherein a rotor positioning clamp spring groove 2, a rotor positioning groove 3 and a rotor positioning table 4 are sequentially arranged on the first shaft section 1, the motor rotor can be conveniently installed and disassembled by arranging the rotor positioning clamp spring groove 2, the rotor positioning groove 3 and the rotor positioning table 4, and simultaneously, the rotor magnetic steel groove can be ensured to be neat and the rotor sheet can not be rotated, so that the damage to the motor shaft caused by the traditional rotor assembly in a welding mode is avoided, the first shaft section 1 axially extends to one side to form a second shaft section 5 and a third shaft section 6, the rotor positioning clamp spring groove 2 is close to the second shaft section 5, the diameter of the first shaft section 1 is larger than that of the second shaft section 5, the diameter of the second shaft section 5 is larger than that of the third shaft section 6, the third shaft section 6 is provided with a shaft head key groove 7, the shaft head key groove 7 is arranged to facilitate connection of a motor and equipment, the first shaft section 1 axially extends towards the other side to form a fourth shaft section 8, a fifth shaft section 9 and a sixth shaft section 10, the diameter of the fourth shaft section 8 is larger than that of the fifth shaft section 9, the diameter of the fifth shaft section 9 is larger than that of the sixth shaft section, and the first shaft section 1, the second shaft section 5, the third shaft section 6, the fourth shaft section 8, the fifth shaft section 9 and the sixth shaft section 10 are coaxially arranged.
In this embodiment, the center of the end surface of the third shaft section 6 is provided with a threaded hole 11, and the installation of the threaded hole 11 facilitates the hoisting during the assembly.
In the present embodiment, the fifth shaft section 9 has a bearing positioning clamp spring groove 12 for clamping a bearing between the end surface of the fourth shaft section 8 and the bearing positioning clamp spring groove 12. Through the setting of bearing location jump ring groove 12, installation jump ring in bearing location jump ring groove 12 can be fixed the bearing, prevents that bearing drunkenness and the whole drunkenness of electric motor rotor from influencing the life of motor operation and bearing.
In the above embodiment, the sixth shaft segment 10 has the fan key groove 13 and the fan positioning spring groove 14. The motor cooling fan can be installed and fixed through the arrangement of the fan key groove 13 and the fan positioning clamp spring groove 14.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. The utility model provides a motor shaft structure convenient to assemble permanent-magnet machine rotor, its characterized in that includes the first shaft part with the motor rotor adaptation, rotor location jump ring groove, rotor positioning groove and rotor location platform have set gradually on the first shaft part, first shaft part forms second shaft part and third shaft part to one side axial extension, just rotor location jump ring groove is close to the second shaft part, and the diameter of first shaft part is greater than the diameter of second shaft part, and the diameter of second shaft part is greater than the diameter of third shaft part, and first shaft part forms fourth shaft part, fifth shaft part and sixth shaft part to opposite side axial extension, and the diameter of fourth shaft part is greater than the diameter of fifth shaft part, and the diameter of fifth shaft part is greater than the diameter of sixth shaft part, and wherein, the coaxial setting of each shaft part.
2. The motor shaft structure for facilitating assembly of a rotor of a permanent magnet motor of claim 1, wherein the third shaft section has a threaded hole at a center position of an end surface thereof.
3. The motor shaft structure for facilitating assembly of a rotor of a permanent magnet motor of claim 1 or 2, wherein the third shaft section has a gudgeon keyway thereon.
4. The motor shaft structure for facilitating assembly of a rotor of a permanent magnet motor of claim 1, wherein the fifth shaft segment has a bearing positioning clamp spring groove thereon.
5. The motor shaft structure for facilitating assembly of a rotor of a permanent magnet motor of claim 1, wherein the sixth shaft segment has a fan key slot and a fan positioning clamp spring slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123250067.5U CN216390710U (en) | 2021-12-22 | 2021-12-22 | Motor shaft structure convenient to equipment permanent-magnet machine rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123250067.5U CN216390710U (en) | 2021-12-22 | 2021-12-22 | Motor shaft structure convenient to equipment permanent-magnet machine rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216390710U true CN216390710U (en) | 2022-04-26 |
Family
ID=81236835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123250067.5U Active CN216390710U (en) | 2021-12-22 | 2021-12-22 | Motor shaft structure convenient to equipment permanent-magnet machine rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216390710U (en) |
-
2021
- 2021-12-22 CN CN202123250067.5U patent/CN216390710U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A motor shaft structure for easy assembly of permanent magnet motor rotors Effective date of registration: 20230531 Granted publication date: 20220426 Pledgee: Bank of China Limited Wuhan Economic and Technological Development Zone sub branch Pledgor: WUHAN MAIDIJIA ELECTROMECHANICAL TECHNOLOGY Co.,Ltd. Registration number: Y2023420000215 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20220426 Pledgee: Bank of China Limited Wuhan Economic and Technological Development Zone sub branch Pledgor: WUHAN MAIDIJIA ELECTROMECHANICAL TECHNOLOGY Co.,Ltd. Registration number: Y2023420000215 |