CN213585311U - Rare earth material motor rotor - Google Patents
Rare earth material motor rotor Download PDFInfo
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- CN213585311U CN213585311U CN202022040704.5U CN202022040704U CN213585311U CN 213585311 U CN213585311 U CN 213585311U CN 202022040704 U CN202022040704 U CN 202022040704U CN 213585311 U CN213585311 U CN 213585311U
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- rotor
- bearing plate
- outer ring
- rare earth
- right bearing
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- 239000000463 material Substances 0.000 title claims abstract description 25
- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 22
- 150000002910 rare earth metals Chemical class 0.000 title claims abstract description 22
- 239000000428 dust Substances 0.000 claims abstract description 17
- 239000011324 bead Substances 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 abstract description 11
- 238000000034 method Methods 0.000 description 9
- 230000006378 damage Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a rare earth material motor rotor, which comprises a rotor rod, wherein the rotor rod is provided with a rotor outer ring, a hoop and a first right bearing plate, the inner side of the rotor outer ring is provided with a rotor inner ring, and the inner wall of the inner side of the rotor outer ring is provided with balls, the hoop is arranged on the outer wall of the balls, the outer wall of the hoop is connected with a retainer, the left side and the right side of each ball are provided with dust covers, the bottom end of the dustproof cover is connected with a cover bead, the outer side of the cover bead is provided with a groove, a fixed block is arranged above the dustproof cover, and the inner wall of the fixed block is penetrated with a rivet, the first right bearing plate is arranged at the right side of the dustproof cover, and the right side of the first right bearing plate is provided with a second right bearing plate, the lower part of the second right bearing plate is connected with a fixed bolt, a first left bearing plate is installed on the left side of the dustproof cover, and a second left bearing plate is arranged on the left side of the first left bearing plate. The rare earth material motor rotor can prevent dust for the rolling assembly of the rotor, and can increase the capability of bearing axial force of the rotor.
Description
Technical Field
The utility model relates to an electric motor rotor technical field specifically is a tombarthite material electric motor rotor.
Background
The rotor is an important part in the modern mechanical equipment. Its main function is to support the mechanical rotator, reduce the friction coefficient in its motion process, and guarantee its rotation precision, the life of the rolling rotor is defined by the number of revolutions (or hours of operation at a certain number of revolutions): a rotor within this life should experience preliminary fatigue damage (flaking or chipping) on any of its rotor rings or rolling elements. Therefore, in order to prolong the service life of the rotor, a material is required to be found to replace the traditional steel material, so that the service life of the high-precision equipment can be prolonged.
The utility model provides a motor rotor in market appears fatigue damage easily under the work load of high strength in the use, leads to the rotor life to reduce, and the rotor generally works in the more environment of dust moreover, is not convenient for carry out dustproof protection to the inside rolling subassembly of rotor to the axial force of certain load is not convenient for bear, causes the problem of axial destruction easily, for this reason, we provide a rare earth material motor rotor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a rare earth material electric motor rotor to the fatigue damage appears easily under the work load of high strength in the electric motor rotor use that proposes in solving above-mentioned background art, leads to the rotor life to reduce, and the rotor generally works in the more environment of dust moreover, is not convenient for carry out dustproof protection to the inside rolling subassembly of rotor, and is not convenient for bear the axial force of certain load, causes the problem of axial destruction easily.
In order to achieve the above object, the utility model provides a following technical scheme: a rare earth material motor rotor comprises a rotor rod, wherein the rotor rod is provided with a rotor outer ring, a hoop and a first right bearing plate, the inner side of the rotor outer ring is provided with a rotor inner ring, and the inner wall of the inner side of the rotor outer ring is provided with balls, the hoop is arranged on the outer wall of the balls, the outer wall of the hoop is connected with a retainer, the left side and the right side of each ball are provided with dust covers, the bottom end of the dustproof cover is connected with a cover bead, the outer side of the cover bead is provided with a groove, a fixed block is arranged above the dustproof cover, and the inner wall of the fixed block is penetrated with a rivet, the first right bearing plate is arranged at the right side of the dustproof cover, and the right side of the first right bearing plate is provided with a second right bearing plate, the lower part of the second right bearing plate is connected with a fixed bolt, a first left bearing plate is installed on the left side of the dustproof cover, and a second left bearing plate is arranged on the left side of the first left bearing plate.
Preferably, the rotor outer ring, the rotor inner ring and the balls are all made of rare earth materials, and the rotor outer ring and the rotor inner ring form a rotating structure through the balls.
Preferably, the connection between the hoop and the balls is a socket connection, the hoop is uniformly arranged on the rotor outer ring, and the connection between the hoop and the retainer is a welding connection.
Preferably, a sealing structure is formed among the dust cover, the rotor outer ring and the rotor inner ring, and the dust cover is connected with the rotor outer ring in a riveting mode through the fixing block and the rivet.
Preferably, the second right bearing plate and the second left bearing plate and the first right bearing plate and the first left bearing plate form a clamping structure, and the first right bearing plate and the second right bearing plate and the first left bearing plate are symmetrical with each other about a vertical center line of the rotor outer ring.
Preferably, the first right bearing plate, the second right bearing plate, the first left bearing plate and the second left bearing plate form a detachable structure with the rotor outer ring and the rotor inner ring through fixing bolts, and the fixing bolts are in threaded connection with the rotor outer ring and the rotor inner ring.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the rare earth material motor rotor is provided with the balls, so that a rolling structure can be conveniently formed between the outer ring of the rotor and the inner ring of the rotor, the friction force is reduced, the rotation between the stator and the rotor of the motor is smoother, the rotation between the stator and the rotor can be conveniently realized, the stator and the rotor are connected, in addition, the outer ring of the rotor, the inner ring of the rotor and the balls which are made of rare earth materials can form a special magnetic field in the rotating process, the friction force in the rotating process is reduced, and the service life of the rotor is prolonged;
2. the dustproof cover is arranged to prevent external dust from entering the rotor during working of the rotor to cause uneven rolling and blockage of the balls, so that the rolling is prevented from being unsmooth, the surface of the balls is ensured to be smooth, and the balls are prevented from being corroded;
3. set up the block relation of accepting between the board, be the ability of the axial force that bears between the interior outer lane in order to increase the rotor, avoid rotor outer lane and rotor inner circle to produce the extrusion to the ball when bearing the transverse force, set up fixing bolt, accept the board in order to conveniently dismantle with the installation, be convenient for at the in-process that the rotor was made to the installation between the ball of inside and the shield, and can also conveniently accept the board under the in-process dismantlement of use and clean and maintain the inside of rotor, in order to guarantee the clean and tidy nature of use, and increase service life.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a left side view of the structure of the present invention;
fig. 3 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.
In the figure: 1. a rotor outer ring; 2. a rotor inner ring; 3. a ball bearing; 4. a hoop; 5. a holder; 6. a dust cover; 7. covering the beads; 8. a groove; 9. a fixed block; 10. riveting; 11. a first right bearing plate; 12. a second right bearing plate; 13. fixing the bolt; 14. a first left bearing plate; 15. a second left bearing plate; 16-rotor bar.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some 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.
Referring to fig. 1-3, the present invention provides a technical solution: a rare earth material motor rotor comprises a rotor rod 16, a rotor outer ring 1, a rotor inner ring 2, balls 3, a hoop 4, a retainer 5, a dustproof cover 6, cover beads 7, a groove 8, a fixing block 9, rivets 10, a first right bearing plate 11, a second right bearing plate 12, fixing bolts 13, a first left bearing plate 14 and a second left bearing plate 15, wherein the rotor rod 16 is provided with the rotor outer ring 1, the hoop 4 and the first right bearing plate 11, the rotor inner ring 2 is arranged on the inner side of the rotor outer ring 1, the balls 3 are arranged on the inner side inner wall of the rotor outer ring 1, the hoop 4 is arranged on the outer wall of each ball 3, the retainer 5 is connected on the outer wall of each hoop 4, the dustproof covers 6 are arranged on the left side and the right side of each ball 3, the cover beads 7 are connected at the bottom ends of the dustproof covers 6, the grooves 8 are arranged on the outer sides of the cover beads 7, the fixing blocks 9 are arranged above the dustproof covers 6, a first right bearing plate 11 is arranged on the right side of the dustproof cover 6, a second right bearing plate 12 is arranged on the right side of the first right bearing plate 11, a fixing bolt 13 is connected below the second right bearing plate 12, a first left bearing plate 14 is arranged on the left side of the dustproof cover 6, and a second left bearing plate 15 is arranged on the left side of the first left bearing plate 14;
the rotor outer ring 1, the rotor inner ring 2 and the balls 3 are made of rare earth materials, the rotor outer ring 1 and the rotor inner ring 2 form a rotating structure through the balls 3, the balls 3 are arranged, a rolling structure can be conveniently formed between the rotor outer ring 1 and the rotor inner ring 2, friction force is reduced, the rotation between a stator and a rotor of the motor is smoother, the rotation between the stator and the rotor can be conveniently performed, the stator and the rotor are connected, in addition, the rotor outer ring 1, the rotor inner ring 2 and the balls 3 made of rare earth materials can form a special magnetic field in the rotating process, so that the friction force in the rotating process is reduced, the service life of the rotor is prolonged, the hoop 4 and the balls 3 are connected in a sleeved mode, the hoop 4 is uniformly arranged on the rotor outer ring 1, and the hoop 4 and the retainer 5 are connected in a welded mode, the hoop 4 is arranged to fix the positions among the balls 3 after the balls 3 roll, so that the balls 3 can be kept in the uniform arrangement of the rotor outer ring 1, the stress of the rotor is balanced, and the fatigue damage of the rotor due to different unbalanced stress is prevented from being aggravated;
the dustproof cover 6 is in riveted connection with the rotor outer ring 1 and the rotor inner ring 2 through a connection mode between a fixing block 9 and a rivet 10, the dustproof cover 6 is arranged to prevent external dust from entering in the rotor working process to cause uneven rolling and obstruction of the balls 3 so as to prevent unsmooth rolling and ensure smooth surface of the balls 3 to avoid corrosion, a clamping structure is formed between the second right bearing plate 12 and the second left bearing plate 15 and the first right bearing plate 11 and the first left bearing plate 14, the first right bearing plate 11 and the second right bearing plate 12 and the first left bearing plate 14 and the second left bearing plate 15 are symmetrical about a vertical central line of the rotor outer ring 1, and the clamping relation between the bearing plates is arranged to increase the capability of bearing axial force between the inner ring and the outer ring of the rotor, the first right bearing plate 11, the second right bearing plate 12, the first left bearing plate 14 and the second left bearing plate 15 form a detachable structure with the rotor outer ring 1 and the rotor inner ring 2 through the fixing bolt 13, and the fixing bolt 13 is in threaded connection with the rotor outer ring 1 and the rotor inner ring 2, the fixing bolt 13 is arranged to facilitate the detachment and installation of the bearing plates, facilitate the installation of the inner ball 3 and the dust-proof cover 6 in the manufacturing process of the rotor, and facilitate the cleaning and maintenance of the interior of the rotor by the bearing plates detached in the using process to ensure the neatness of the use, the service life is prolonged.
The working principle is as follows: for the rare earth material motor rotor, firstly, the rotor inner ring 2 is sleeved outside the rotor outer ring 1, then the balls 3 are arranged between the inner ring and the outer ring for connection, then the hoop 4 is sleeved on the balls 3, the balls 3 are uniformly arranged in a separated mode by the retainer 5, then the cover balls 7 on the dust cover 6 are firstly inserted into the grooves 8, the other end of the dust cover 6 is connected with the fixing block 9, the dust cover 6 is riveted with the fixing block 9 by the rivets 10, and then the first right bearing plate 11 is connected to the right side by the fixing bolts 13. Then connect the second right side and accept board 12 in the right side of rotor outer lane 1, utilize fixing bolt 13 to connect first left side and accept board 14 and the left side of second and accept board 15 in the left side of rotor outer lane 1 and rotor inner circle 2, can play the effect of bearing the axial force, then install the rotor that has installed between the stator and the rotor of motor alright in order to use, accomplish the use of whole rare earth material motor rotor like this.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A rare earth material electric machine rotor comprising a rotor shaft (16), characterized in that: the rotor rod (16) is provided with a rotor outer ring (1), a hoop (4) and a first right bearing plate (11), a rotor inner ring (2) is arranged on the inner side of the rotor outer ring (1), balls (3) are installed on the inner side inner wall of the rotor outer ring (1), the hoop (4) is arranged on the outer wall of the balls (3), a retainer (5) is connected to the outer wall of the hoop (4), dust covers (6) are arranged on the left side and the right side of each ball (3), a cover bead (7) is connected to the bottom end of each dust cover (6), a groove (8) is formed in the outer side of each cover bead (7), a fixing block (9) is installed above each dust cover (6), rivets (10) penetrate through the inner wall of each fixing block (9), the first right bearing plate (11) is installed on the right side of each dust cover (6), and a second right bearing plate (12) is installed on the right side of the first right bearing plate (, the lower part of the second right bearing plate (12) is connected with a fixing bolt (13), a first left bearing plate (14) is installed on the left side of the dustproof cover (6), and a second left bearing plate (15) is arranged on the left side of the first left bearing plate (14).
2. A rare earth material motor rotor as claimed in claim 1, wherein: the rotor outer ring (1), the rotor inner ring (2) and the balls (3) are made of rare earth materials, and the rotor outer ring (1) and the rotor inner ring (2) form a rotating structure through the balls (3).
3. A rare earth material motor rotor as claimed in claim 1, wherein: the connection mode between the hoop (4) and the balls (3) is socket connection, the hoops (4) are uniformly arranged on the rotor outer ring (1), and the connection mode between the hoop (4) and the retainer (5) is welding connection.
4. A rare earth material motor rotor as claimed in claim 1, wherein: the dustproof cover (6) and the rotor outer ring (1) and the rotor inner ring (2) form a sealing structure, and the dustproof cover (6) is connected with the rotor outer ring (1) in a riveting mode through a fixing block (9) and rivets (10).
5. A rare earth material motor rotor as claimed in claim 1, wherein: the clamping and structure are formed between the second right bearing plate (12) and the second left bearing plate (15) and between the first right bearing plate (11) and the first left bearing plate (14), and the vertical central line between the first right bearing plate (11) and the second right bearing plate (12) and between the first left bearing plate (14) and the second left bearing plate (15) is symmetrical about the rotor outer ring (1).
6. A rare earth material motor rotor as claimed in claim 1, wherein: the rotor is characterized in that the first right bearing plate (11), the second right bearing plate (12), the first left bearing plate (14) and the second left bearing plate (15) form a detachable structure with the rotor outer ring (1) and the rotor inner ring (2) through fixing bolts (13), and the fixing bolts (13) are in threaded connection with the rotor outer ring (1) and the rotor inner ring (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022040704.5U CN213585311U (en) | 2020-09-17 | 2020-09-17 | Rare earth material motor rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022040704.5U CN213585311U (en) | 2020-09-17 | 2020-09-17 | Rare earth material motor rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213585311U true CN213585311U (en) | 2021-06-29 |
Family
ID=76572151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022040704.5U Active CN213585311U (en) | 2020-09-17 | 2020-09-17 | Rare earth material motor rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213585311U (en) |
-
2020
- 2020-09-17 CN CN202022040704.5U patent/CN213585311U/en active Active
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| 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 | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A rare earth material motor rotor Granted publication date: 20210629 Pledgee: Hangzhou High-tech Financing Guarantee Co.,Ltd. Pledgor: HANGZHOU KANGBEI MOTOR Co.,Ltd. Registration number: Y2024980003975 |