CN217883002U - High-temperature-resistant shielding type permanent magnet motor rotor assembly - Google Patents
High-temperature-resistant shielding type permanent magnet motor rotor assembly Download PDFInfo
- Publication number
- CN217883002U CN217883002U CN202220674561.XU CN202220674561U CN217883002U CN 217883002 U CN217883002 U CN 217883002U CN 202220674561 U CN202220674561 U CN 202220674561U CN 217883002 U CN217883002 U CN 217883002U
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- China
- Prior art keywords
- shaft body
- temperature
- permanent magnet
- rotor core
- magnet motor
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 20
- 239000010959 steel Substances 0.000 claims abstract description 20
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052751 metal Inorganic materials 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims abstract description 8
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 5
- 238000010030 laminating Methods 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 6
- 239000000853 adhesive Substances 0.000 abstract description 2
- 230000001070 adhesive effect Effects 0.000 abstract description 2
- 238000001125 extrusion Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 description 5
- 229910052761 rare earth metal Inorganic materials 0.000 description 3
- 150000002910 rare earth metals Chemical class 0.000 description 3
- 229910052772 Samarium Inorganic materials 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- KPLQYGBQNPPQGA-UHFFFAOYSA-N cobalt samarium Chemical compound [Co].[Sm] KPLQYGBQNPPQGA-UHFFFAOYSA-N 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910000938 samarium–cobalt magnet Inorganic materials 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Iron Core Of Rotating Electric Machines (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The utility model discloses a high temperature resistant shielding type permanent magnet motor rotor assembly, which comprises a hollow shaft body and a rotor core, wherein the two ends of the shaft body are load connecting ends, and a connecting flange integrated with the shaft body is arranged near the inner side of the load connecting end; a positioning table is arranged on the shaft body, and a bolt installation vacancy is reserved between the positioning table and the connecting flange on one side; the shaft body is connected with the rotor core through threads, and a metal shielding sleeve is arranged outside the rotor core. The hollow shaft of the rotor motor can meet the design requirement that the mandrel of the control rod moves in the hollow shaft of the motor; hollow shaft and flange integral type structure: the installation is reliable and convenient, and the output of large torque is met; the rotor core is connected reliably by adopting a rivet connection process, and the performance is stable; the magnet steel is embedded into the iron core in a discontinuous splicing mode, so that the magnet steel is prevented from being crushed due to mutual extrusion when expanding under the high-temperature condition. The high-temperature-resistant adhesive can keep the performance of the magnetic steel, and the magnetic steel cannot be loosened.
Description
Technical Field
The utility model relates to a motor manufacturing technology field, in particular to high temperature resistant shielding formula permanent-magnet machine rotor subassembly.
Background
The existing permanent magnet motor rotor structure comprises a shaft, an iron core, pressing blocks and magnetic steel, wherein the iron core comprises punching sheets and pressing plates, the pressing plates are respectively arranged on two end faces of the iron core, and the pressing plates are integrally formed by rivets or welding. The shaft diameter and the iron core are in interference fit. CN203607949U discloses a rotor structure of a permanent magnet motor, wherein an interference fit is adopted between an iron core hole and a shaft diameter, so as to eliminate the phenomenon of axial looseness, the iron core loosening phenomenon possibly generated by large torque can be effectively prevented by an iron core hole plane and a shaft plane, and the basin-shaped phenomenon generated when punching sheets press a shaft can be effectively prevented by pressing plates at two ends of the iron core, so that the rotor of the motor is reliably ensured in structure. However, the rotor structure is not corrosion-resistant, high temperature resistant and cannot be used in liquid.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high temperature resistant shielding permanent magnet motor rotor assembly, which meets the design requirement that a core shaft of a control rod moves in a motor hollow shaft; meanwhile, the installation is ensured to be reliable and convenient, and the large-torque output is met.
The utility model discloses a realize like this: a high-temperature-resistant shielding type permanent magnet motor rotor assembly comprises a hollow shaft body (6) and a rotor core (5), wherein load connecting ends (1) are arranged at two ends of the shaft body (6), and a connecting flange (2) integrated with the shaft body (6) is arranged close to the inner side of each load connecting end (1); a positioning table (3) is arranged on the shaft body (6), and a bolt mounting vacancy (7) is reserved between the positioning table (3) and the connecting flange (2) on one side; the shaft body (6) is connected with the rotor core (5) through threads, and the metal shielding sleeve (4) is arranged outside the rotor core (5).
Furthermore, the size of the hollow cavity in the shaft body (6) is phi 55 mm-phi 65mm.
Furthermore, the rotor core (5) is formed by laminating silicon steel sheets and is fixedly connected by a rivet (51); the magnetic steel (52) is embedded into the iron core in a discontinuous splicing mode and is filled and fixed through high-temperature-resistant glue (53).
Furthermore, the magnetic steel (52) contains samarium, cobalt and other rare earth components, and adopts radial magnetization and non-salient pole installation.
Furthermore, the inner diameter D of the rotor iron core (5) is 95-110 mm.
Furthermore, the rotor core (5) is formed by laminating 470 silicon steel sheets with the thickness of 0.25-0.5 mm.
Furthermore, the gap between each section of magnetic steel is 1-3mm.
Further, the thickness of the metal shielding sleeve (4) is 0.4-0.6mm.
Compared with the prior art, the beneficial effects of the utility model are that: the hollow shaft of the rotor motor can meet the design requirement that the mandrel of the control rod moves in the hollow shaft of the motor; hollow shaft and flange integral type structure: the installation is reliable and convenient, and the output of large torque is met; the rotor core is connected reliably by adopting a rivet connection process, and the performance is stable; the magnet steel is embedded into the iron core in a discontinuous splicing mode, so that the magnet steel is prevented from being crushed due to mutual extrusion when expanding under the high-temperature condition. The magnetic steel uses rare earth components such as samarium cobalt and the like, can not demagnetize at the temperature below 350 ℃, and has stable performance. The magnetic steel adopts radial magnetization, and non-salient poles are installed, so that the electromagnetic performance and the mechanical safety of the rotor core are greatly improved. The high-temperature-resistant adhesive can still maintain the performance thereof at the temperature of more than 350 ℃, and the condition of magnetic steel loosening can not occur.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings which are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained according to these drawings without inventive efforts.
Fig. 1 is a structural view of a rotor assembly.
Fig. 2 is a schematic view of the overall structure of the rotor core.
Fig. 3 is a cross-sectional view of the rotor core.
In the figure: 1. a load connection end; 2. a connecting flange; 3. a positioning table; 4. a metal shielding sleeve; 5. a rotor core; 51. riveting; 52. magnetic steel; 53. high temperature resistant glue; 6. a shaft body; 7. a vacancy.
Detailed Description
To make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-3, a high temperature resistant shielding type permanent magnet motor rotor assembly comprises a hollow shaft body 6 and a rotor core 5, wherein load connection ends 1 are arranged at two ends of the shaft body 6, and a connection flange 2 integrated with the shaft body 6 is arranged at the inner side close to the load connection ends 1; a positioning table 3 is arranged on the shaft body 6, and a bolt installation vacancy 7 is reserved between the positioning table 3 and the connecting flange 2 on one side; the shaft body 6 is connected with the rotor core 5 through threads, the metal shielding sleeve 4 is arranged outside the rotor core 5, and the thickness of the metal shielding sleeve 4 is 0.4-0.6mm.
The size of a hollow cavity in the shaft body 6 is phi 55 mm-phi 65mm.
The rotor core 5 is formed by laminating 470 silicon steel sheets with the thickness of 0.25-0.5mm and is fixedly connected by a rivet 51, and the inner diameter D of the rotor core 5 is 95-110 mm; the magnetic steel 52 is embedded into the iron core in a discontinuous splicing mode and is filled and fixed through high-temperature-resistant glue 53, the gap between each section of the magnetic steel is 1-3mm, the magnetic steel 52 contains rare earth components such as samarium, cobalt and the like, and the magnetic steel is magnetized in the radial direction and installed in a non-salient pole mode.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The high-temperature-resistant shielding type permanent magnet motor rotor assembly is characterized by comprising a hollow shaft body (6) and a rotor core (5), wherein load connecting ends (1) are arranged at two ends of the shaft body (6), and a connecting flange (2) integrated with the shaft body (6) is arranged close to the inner side of each load connecting end (1); a positioning table (3) is arranged on the shaft body (6), and a bolt mounting vacancy (7) is reserved between the positioning table (3) and the connecting flange (2) on one side; the shaft body (6) is connected with the rotor core (5) through threads, and the metal shielding sleeve (4) is arranged outside the rotor core (5).
2. The high-temperature-resistant shielding type permanent magnet motor rotor assembly according to claim 1, wherein the size of the hollow cavity in the shaft body (6) is phi 55 mm-phi 65mm.
3. The high-temperature-resistant shielding type permanent magnet motor rotor assembly according to claim 1, wherein the rotor core (5) is formed by laminating silicon steel sheets and is fixedly connected by a rivet (51); the magnetic steel (52) is embedded into the iron core in a discontinuous splicing mode and is filled and fixed through high-temperature-resistant glue (53).
4. The high-temperature-resistant shielding type permanent magnet motor rotor assembly according to claim 1, wherein the inner diameter D of the rotor core (5) is 95-110 mm.
5. The high-temperature-resistant shielding type permanent magnet motor rotor assembly according to claim 1, wherein the rotor core (5) is formed by laminating 470 silicon steel sheets with the thickness of 0.25-0.5 mm.
6. The rotor assembly of a high temperature resistant shielded permanent magnet motor according to claim 3, wherein the gap between each segment of magnetic steel is 1-3mm.
7. A high temperature resistant shield type permanent magnet motor rotor assembly according to claim 1, wherein the thickness of the metal shield sleeve (4) is 0.4-0.6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220674561.XU CN217883002U (en) | 2022-03-27 | 2022-03-27 | High-temperature-resistant shielding type permanent magnet motor rotor assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220674561.XU CN217883002U (en) | 2022-03-27 | 2022-03-27 | High-temperature-resistant shielding type permanent magnet motor rotor assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217883002U true CN217883002U (en) | 2022-11-22 |
Family
ID=84085906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220674561.XU Active CN217883002U (en) | 2022-03-27 | 2022-03-27 | High-temperature-resistant shielding type permanent magnet motor rotor assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217883002U (en) |
-
2022
- 2022-03-27 CN CN202220674561.XU patent/CN217883002U/en active Active
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