CN116760243B - Auxiliary assembly structure and auxiliary assembly process of permanent magnet motor rotor - Google Patents
Auxiliary assembly structure and auxiliary assembly process of permanent magnet motor rotor Download PDFInfo
- Publication number
- CN116760243B CN116760243B CN202310648276.XA CN202310648276A CN116760243B CN 116760243 B CN116760243 B CN 116760243B CN 202310648276 A CN202310648276 A CN 202310648276A CN 116760243 B CN116760243 B CN 116760243B
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- auxiliary
- assembly
- permanent magnet
- rotor
- rotor shaft
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- 238000000034 method Methods 0.000 title claims abstract description 33
- 230000008569 process Effects 0.000 title claims abstract description 29
- 238000005299 abrasion Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 7
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 230000007704 transition Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/12—Impregnating, heating or drying of windings, stators, rotors or machines
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/16—Centering rotors within the stator; Balancing rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses an auxiliary assembly structure of a permanent magnet motor rotor, which comprises a stator coil, a permanent magnet rotor, a base seat shell and end covers at two ends of the base shell; an auxiliary assembly structure body is fixed on the inner side of the end cover, an auxiliary assembly hole for the rotor shaft to pass through is formed in the auxiliary assembly structure body, an easily-worn part is arranged on the inner ring of the auxiliary assembly hole along the outline, and the easily-worn part is in sliding fit with the outer wall of the rotor shaft; the inner ring of the end cover is in running fit with the rotor shaft of the permanent magnet rotor through the bearing assembly; the assembly process of the permanent magnet motor is greatly simplified, and the safety of the permanent magnet motor in the operation process is improved.
Description
Technical Field
The invention belongs to the field of motors.
Background
Because the permanent magnet synchronous motor does not need electric excitation, the rotor loss is extremely low, and the motor has the characteristics of high power factor, high efficiency, high power density and the like, the large permanent magnet motor occupies an important position in the industrial and mining industry in recent years.
Because the permanent magnet motor rotor is provided with the permanent magnet, the rotor has extremely strong adsorptivity, the unilateral magnetic pulling force is very large, the stator and rotor assembly process is complex, the permanent magnet is easy to damage during assembly, in addition, because the rotor is deviated to one side, the bearing force is unbalanced during assembly, the bearing is easy to damage, and even the shaft is correspondingly deformed.
In the later period, in the use process of customers, the damage of the bearing basically has no possibility of field replacement, and the maintenance and popularization of the permanent magnet motor are seriously influenced.
Disclosure of Invention
The invention aims to: in order to overcome the defects in the prior art, the invention provides the auxiliary assembly structure and the auxiliary assembly process of the permanent magnet motor rotor, which greatly simplify the assembly process of the permanent magnet motor and improve the safety of the permanent magnet motor in the operation process.
The technical scheme is as follows: in order to achieve the above purpose, the auxiliary assembly structure of the permanent magnet motor rotor comprises a stator coil, a permanent magnet rotor, a base shell and end covers at two ends of the base shell; an auxiliary assembly structure body is fixed on the inner side of the end cover, an auxiliary assembly hole for the rotor shaft to pass through is formed in the auxiliary assembly structure body, an easily-worn part is arranged on the inner ring of the auxiliary assembly hole along the outline, and the easily-worn part is in sliding fit with the outer wall of the rotor shaft; the inner ring of the end cover is in running fit with the rotor shaft of the permanent magnet rotor through the bearing assembly.
Further, after the abrasion-prone member of the auxiliary assembly Kong Najuan is abraded by the continuous rotation of the rotor shaft, the abrasion-prone member of the auxiliary assembly Kong Najuan is in clearance fit with the outer wall of the rotor shaft from the original sliding fit, and the bearing assembly is still in rotary fit with the rotor shaft of the permanent magnet rotor.
Further, the outline of the outer ring of the assembly auxiliary structure body is matched with the outline of the inner wall of the housing of the machine base.
Furthermore, the hardness of the material of the easily-worn part is lower than that of the outer wall of the rotor shaft.
Furthermore, the easily worn part is made of non-magnetic conductive materials.
Further, the assembly auxiliary structure body is detachably and fixedly connected with the end cover.
Furthermore, the assembly auxiliary structure body is of a disc-shaped structure as a whole, a circle of process lightening holes are hollowed out in a circumferential array on the disc-shaped structure, and the circle centers of the process lightening holes are distributed on the air gap circles of the stator and the rotor of the motor under the axial view angle.
Further, an auxiliary assembly process of the permanent magnet motor rotor comprises the following steps:
step one, manufacturing a pair of assembly auxiliary structures, wherein the manufactured assembly auxiliary structures are provided with auxiliary assembly holes for a rotor shaft to pass through, and the outline of the outer ring of the assembly auxiliary structures is matched with the outline of the inner wall of a machine base shell;
step two, fixedly mounting an easily-worn part on an inner ring of an auxiliary assembly hole on an assembly auxiliary structure along the outline;
step three, an assembly auxiliary structure is arranged at one end in the machine base shell on which the stator coil is already arranged;
step four, the permanent magnet rotor is arranged in the machine base shell, one end of a rotor shaft of the permanent magnet rotor passes through an auxiliary assembly hole on the auxiliary assembly structure body, and an easily-worn part of auxiliary assembly Kong Najuan is in sliding fit with the outer wall of the rotor shaft;
step five, another auxiliary assembly structure is installed at the other end in the machine base shell, so that the other end of the rotor shaft of the permanent magnet rotor passes through an auxiliary assembly hole in the other auxiliary assembly structure, and an easily-worn part of auxiliary assembly Kong Najuan is in sliding fit with the outer wall of the rotor shaft;
and step six, respectively installing two end covers at two ends of the machine base shell.
And seventhly, the inner rings of the two end covers are in running fit with the rotor shaft of the permanent magnet rotor through the bearing assembly.
Further, at the end of the "step five", the adjacent assembly auxiliary structure and the end cover are fixed to each other by bolts.
Step eight, a negative pressure air extractor is stretched into the assembled engine base shell, then the stator coil is electrified, so that the permanent magnet rotor and the rotor shaft are driven to rotate at high speed, friction scraps generated by polishing of the easily-worn parts in the auxiliary assembly holes by the outer wall of the rotor shaft are dispersed in the air in the inner cavity of the engine base shell, and the friction scraps are extracted by the negative pressure air extractor in real time; until the outer wall of the rotor shaft and the easily worn part in the auxiliary assembly hole are changed from the original sliding fit to the clearance fit.
The beneficial effects are that: the structure and the process greatly simplify the assembly process of the permanent magnet motor, improve the safety of the permanent magnet motor in the operation process, and in the later maintenance process, the bearing bush rotor support bracket again shows the advantage of convenience in assembly, and has positive significance for mass production and further improvement of the performance of the large and medium three-phase permanent magnet synchronous motor;
when the step four of the scheme is finished, under the condition that the bearing assembly is not installed, the permanent magnet rotor is positioned in the base shell coaxially, the weight of the permanent magnet rotor is borne by an abrasion-prone part of the auxiliary assembly Kong Najuan, the axis of the whole permanent magnet rotor is on the central line, the permanent magnet rotor in the state bears small unilateral magnetic tension, and the bearing assembly does not bear axial force caused by unilateral magnetic tension when the bearing assembly is installed subsequently, so that damage to the bearing, the shaft and the permanent magnet rotor in the assembly process is avoided;
meanwhile, after long-time operation, the motor needs to be maintained, and when the bearing assembly is replaced, the easily worn part plays a supporting and positioning role again, so that the rotor shaft is prevented from bearing bending moment, and the motor is ensured to stably operate within the whole service life.
Drawings
FIG. 1 is a schematic diagram of the whole structure of the scheme;
FIG. 2 is a schematic structural view of the assembly assist structure;
fig. 3 is a cross-sectional view taken along the direction a of fig. 2.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
The auxiliary assembly structure of the permanent magnet motor rotor shown in the attached figures 1 to 3 comprises a stator coil 8, a permanent magnet rotor 7 and a machine base shell 2, wherein the stator coil 8 is fixed on the inner wall of the machine base shell 2, the permanent magnet rotor 7 rotates coaxially and rotates on the inner side of the stator coil 8, and end covers 3 are fixedly arranged at two ends of the machine base shell 2; the inner side of the end cover 3 is fixedly provided with an assembly auxiliary structure body 1, the assembly auxiliary structure body 1 is of a disc-shaped structure as a whole, a circle of process lightening holes 11 are hollowed out in a circular array on the disc-shaped structure, the circle centers of the process lightening holes 11 are distributed on the motor stator and rotor air gap circles under the axial view angle, and the effect of the process lightening holes 11 is further introduced in a specific process. The assembly auxiliary structure body 1 and the end cover 3 are detachably and fixedly connected through flange bolts, the outer ring profile 9 of the assembly auxiliary structure body 1 is matched with the inner wall profile of the engine base shell 2, and in the scheme, the outer ring profile 9 of the assembly auxiliary structure body 1 is in transition fit with the inner wall profile of the engine base shell 2; the auxiliary assembly holes 10 used for the rotor shaft 6 to pass through are formed in the auxiliary assembly structure body 1, the inner ring of the auxiliary assembly holes 10 is provided with the easily worn parts 5 along the outline, the hardness of the easily worn parts 5 is lower than that of the outer wall of the rotor shaft 6, so that the rotor shaft 6 is prevented from being worn, the easily worn parts 5 are made of non-magnetic materials, and the easily worn parts 5 are prevented from generating magnetic permeability dust in the subsequent wearing process, and are adsorbed on the permanent magnet rotor and influence the work of the coil; in the scheme, the easily worn piece 5 can be manufactured into a copper bearing bush shape, a flat gasket, a spring washer or a connecting bolt is fixed and limited in an annular groove of the inner ring of the auxiliary assembly hole 10, the easily worn piece 5 in the copper bearing bush shape is finely processed, the easily worn piece 5 in the copper bearing bush shape is in transition fit with the auxiliary assembly hole 10, when the easily worn piece 5 in the copper bearing bush shape is assembled, the auxiliary assembly structure 1 is firstly preheated to 80-100 ℃, the easily worn piece 5 in the copper bearing bush shape is installed, and bolts for fixing the easily worn piece 5 are screwed tightly, so that the easily worn piece 5 is fixed on the inner ring of the auxiliary assembly hole 10; when the assembly is finished, the easy-wear part 5 is in sliding fit with the outer wall of the rotor shaft 6, and in order to reduce excessive wear between the easy-wear part 5 and the rotor shaft 6, a proper amount of felt immersed in No. 3 lithium base grease is plugged into a gap of the easy-wear part 5 in a copper bearing bush form; the inner ring of the end cover 3 is in rotary fit with the rotor shaft 6 of the permanent magnet rotor 7 through the bearing assembly 4.
After the abrasion of the abrasion-prone part 5 of the inner ring of the auxiliary assembly hole 10 is caused by the continuous rotation of the rotor shaft 6, the original sliding fit of the abrasion-prone part 5 of the inner ring of the auxiliary assembly hole 10 and the outer wall of the rotor shaft 6 is changed into clearance fit, at the moment, the bearing assembly 4 is in running fit with the rotor shaft 6 of the permanent magnet rotor 7, and the bearing assembly 4 bears the radial force exerted by the rotor shaft 6.
An auxiliary assembly process of a permanent magnet motor rotor comprises the following steps:
step one, manufacturing a pair of assembly auxiliary structures 1, wherein the manufactured assembly auxiliary structures 1 are provided with auxiliary assembly holes 10 for a rotor shaft 6 to pass through, and the outer ring profile 9 of the assembly auxiliary structures 1 is matched with the inner wall profile of a machine base shell 2; the shaft shoulder on the rotor shaft 6 plays a limiting role on the auxiliary assembly hole 10;
step two, fixedly mounting an easily-worn part 5 along the outline of an inner ring of an auxiliary assembly hole 10 on the assembly auxiliary structure body 1;
step three, coaxially installing an assembly auxiliary structure 1 into one end of the machine base shell 2 on which the stator coil 8 is installed; the outer ring of the assembly auxiliary structure body 1 is in transition fit with the inner wall of the engine base shell 2.
And fourthly, the permanent magnet rotor 7 is arranged in the stand shell 2, one end of the rotor shaft 6 of the permanent magnet rotor 7 passes through an auxiliary assembly hole 10 on the auxiliary assembly structure body 1, in the process of specifically assembling the permanent magnet rotor 7, a circle of process holes 11 on the auxiliary assembly structure body 1 are utilized, 304 stainless steel bars with proper thickness of 0.5-2.0 are uniformly plugged into an air gap of the stator and the rotor of the motor from each process lightening hole 11, the permanent magnet rotor 7 is prevented from being adsorbed on one side of the stator 8, the auxiliary permanent magnet rotor enters the easily-worn part 5, and finally the easily-worn part 5 is in sliding fit with the outer wall of the rotor shaft 6.
So far, under the condition that the bearing assembly 4 is not installed, the permanent magnet rotor 7 is positioned in the base shell 2 coaxially, at the moment, the weight of the permanent magnet rotor 7 is borne by the abrasion-prone part 5 of the inner ring of the auxiliary assembly hole 10, the axis of the whole permanent magnet rotor 7 is basically on the central line (a certain error exists), the permanent magnet rotor 7 in the state bears small unilateral magnetic pulling force, and the bearing assembly 4 does not bear the axial force caused by unilateral magnetic pulling force when the bearing assembly 4 is installed in the subsequent step 7, so that the damage of the bearing, the shaft and the permanent magnet rotor in the assembly process is avoided.
Step five, another assembly auxiliary structure body 1 is arranged at the other end in the machine base shell 2, so that the other end of the rotor shaft 6 of the permanent magnet rotor 7 passes through an auxiliary assembly hole 10 on the other assembly auxiliary structure body 1, and an easily-worn part 5 of the inner ring of the auxiliary assembly hole 10 is in sliding fit with the outer wall of the rotor shaft 6; at the end of this step, the adjacent assembly assist structure 1 and the end cap 3 are fixed to each other by bolts.
Step six, two end covers 3 are respectively and fixedly arranged at two ends of the machine base shell 2 through flange bolts;
step seven, the inner rings of the two end covers 3 are in running fit with a rotor shaft 6 of a permanent magnet rotor 7 through a bearing assembly 4;
after the two bearing assemblies 4 are assembled, the permanent magnet rotor 7 completely returns to the axis center line, but because the base, the end cover and the shaft are difficult to realize real concentricity, larger interaction force is generated between the easy-abrasion part 5 and the rotor shaft 6, the problem of friction loss exists, but because the easy-abrasion part 5 is relatively soft, the following steps can be continuously introduced to solve the problems:
step eight, a negative pressure air extractor is stretched into the assembled stand shell 2, then the stator coil 8 is electrified, and the permanent magnet rotor 7 and the rotor shaft 6 are driven to rotate at high speed, friction scraps generated by polishing of the abrasion-prone parts 5 in the auxiliary assembly holes 10 on the outer wall of the rotor shaft 6 are dispersed in the air in the inner cavity of the stand shell 2 and are extracted by the negative pressure air extractor in real time, and the influence of copper powder scraps on short circuits and the like on internal circuits is avoided; until the outer wall of the rotor shaft 6 and the easily worn part 5 in the auxiliary assembly hole 10 are changed from the original sliding fit into clearance fit, thereby solving the problem of friction loss.
After long-time operation, the motor needs to be maintained, and when the bearing assembly 4 is replaced, the easily worn part 5 plays a supporting and positioning role again, so that the motor is ensured to stably operate within the whole service life.
The foregoing is only a preferred embodiment of the invention, it being noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present invention, and such modifications and adaptations are intended to be comprehended within the scope of the invention.
Claims (7)
1. The auxiliary assembly structure of the permanent magnet motor rotor comprises a stator coil (8), a permanent magnet rotor (7), a base shell (2) and end covers (3) at two ends of the base shell (2); the inner ring of the end cover (3) is in running fit with a rotor shaft (6) of the permanent magnet rotor (7) through a bearing assembly (4); the method is characterized in that: an auxiliary assembly structure body (1) is fixed on the inner side of the end cover (3), an auxiliary assembly hole (10) for the rotor shaft (6) to pass through is formed in the auxiliary assembly structure body (1), an easily-worn part (5) is arranged on the inner ring of the auxiliary assembly hole (10) along the outline, and the easily-worn part (5) is in sliding fit with the outer wall of the rotor shaft (6);
after the abrasion of the abrasion-prone part (5) of the inner ring of the auxiliary assembly hole (10) is caused by the continuous rotation of the rotor shaft (6), the original sliding fit of the abrasion-prone part (5) of the inner ring of the auxiliary assembly hole (10) and the outer wall of the rotor shaft (6) is changed into clearance fit, and meanwhile, the bearing assembly (4) and the rotor shaft (6) of the permanent magnet rotor (7) are still in running fit;
the hardness of the material of the abrasion-prone part (5) is lower than that of the outer wall of the rotor shaft (6).
2. The auxiliary assembly structure of a permanent magnet motor rotor according to claim 1, wherein: the outer ring profile (9) of the assembly auxiliary structure body (1) is matched with the inner wall profile of the engine base shell (2).
3. The auxiliary assembly structure of a permanent magnet motor rotor according to claim 1, wherein: the easy-to-wear part (5) is made of non-magnetic conduction materials.
4. The auxiliary assembly structure of a permanent magnet motor rotor according to claim 1, wherein: the assembly auxiliary structure body (1) is detachably and fixedly connected with the end cover (3).
5. The auxiliary assembly structure for a permanent magnet motor rotor according to claim 4, wherein: the assembly auxiliary structure body (1) is of a disc-shaped structure as a whole, a circle of process lightening holes (11) are hollowed out in a circumferential array on the disc-shaped structure, and the circle centers of the process lightening holes (11) are distributed on the stator and rotor air gap circles of the motor under the axial view angle.
6. The assembling method of an auxiliary assembling structure of a permanent magnet motor rotor according to claim 1, wherein: the method comprises the following steps:
step one, manufacturing a pair of assembly auxiliary structures (1), wherein the manufactured assembly auxiliary structures (1) are provided with auxiliary assembly holes (10) for a rotor shaft (6) to pass through, and the outer ring profile (9) of the assembly auxiliary structures (1) is matched with the inner wall profile of a machine base shell (2);
step two, fixedly mounting an easily-worn part (5) along the outline of an inner ring of an auxiliary assembly hole (10) on an assembly auxiliary structure body (1);
step three, one assembly auxiliary structure body (1) is installed at one end in the machine base shell (2) on which the stator coil (8) is installed;
step four, the permanent magnet rotor (7) is arranged in the machine base shell (2), one end of the rotor shaft (6) of the permanent magnet rotor (7) penetrates through an auxiliary assembly hole (10) on the auxiliary assembly structure body (1), and an easily-worn part (5) of the inner ring of the auxiliary assembly hole (10) is in sliding fit with the outer wall of the rotor shaft (6);
step five, another assembly auxiliary structure body (1) is arranged at the other end in the machine base shell (2), the other end of the rotor shaft (6) of the permanent magnet rotor (7) passes through an auxiliary assembly hole (10) on the other assembly auxiliary structure body (1), and an easily-worn part (5) of the inner ring of the auxiliary assembly hole (10) is in sliding fit with the outer wall of the rotor shaft (6);
step six, two end covers (3) are respectively arranged at two ends of the machine base shell (2);
seventhly, the inner rings of the two end covers (3) are in running fit with a rotor shaft (6) of the permanent magnet rotor (7) through a bearing assembly (4);
step eight, a negative pressure air extractor is stretched into the assembled engine base shell (2), then the stator coil (8) is electrified, the permanent magnet rotor (7) and the rotor shaft (6) are driven to rotate at high speed, friction scraps generated by polishing of the abrasion-prone parts (5) in the auxiliary assembly holes (10) on the outer wall of the rotor shaft (6) are dispersed in the air in the inner cavity of the engine base shell (2), and the friction scraps are extracted by the negative pressure air extractor in real time; until the outer wall of the rotor shaft (6) and the easily worn part (5) in the auxiliary assembly hole (10) are changed from the original sliding fit to the clearance fit.
7. The method of assembly of claim 6, wherein: and (3) after the step five is finished, mutually fixing the adjacent assembly auxiliary structure body (1) and the end cover (3) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310648276.XA CN116760243B (en) | 2023-06-02 | 2023-06-02 | Auxiliary assembly structure and auxiliary assembly process of permanent magnet motor rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310648276.XA CN116760243B (en) | 2023-06-02 | 2023-06-02 | Auxiliary assembly structure and auxiliary assembly process of permanent magnet motor rotor |
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| Publication Number | Publication Date |
|---|---|
| CN116760243A CN116760243A (en) | 2023-09-15 |
| CN116760243B true CN116760243B (en) | 2024-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310648276.XA Active CN116760243B (en) | 2023-06-02 | 2023-06-02 | Auxiliary assembly structure and auxiliary assembly process of permanent magnet motor rotor |
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| Country | Link |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006217692A (en) * | 2005-02-02 | 2006-08-17 | Hitachi Ltd | Manufacturing method for fixed iron core of alternator for automobile |
| CN101938184A (en) * | 2009-07-01 | 2011-01-05 | 江苏远东电机制造有限公司 | Duplex type supporting clearance automatic compensation structure of motor rotor |
| CN207743792U (en) * | 2018-01-22 | 2018-08-17 | 江苏磁谷科技股份有限公司 | A kind of magneto support device |
| CN114679025A (en) * | 2022-04-18 | 2022-06-28 | 大连智鼎科技有限公司 | Tool and method for conveniently replacing bearing of permanent magnet direct drive motor |
-
2023
- 2023-06-02 CN CN202310648276.XA patent/CN116760243B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006217692A (en) * | 2005-02-02 | 2006-08-17 | Hitachi Ltd | Manufacturing method for fixed iron core of alternator for automobile |
| CN101938184A (en) * | 2009-07-01 | 2011-01-05 | 江苏远东电机制造有限公司 | Duplex type supporting clearance automatic compensation structure of motor rotor |
| CN207743792U (en) * | 2018-01-22 | 2018-08-17 | 江苏磁谷科技股份有限公司 | A kind of magneto support device |
| CN114679025A (en) * | 2022-04-18 | 2022-06-28 | 大连智鼎科技有限公司 | Tool and method for conveniently replacing bearing of permanent magnet direct drive motor |
Also Published As
| Publication number | Publication date |
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| CN116760243A (en) | 2023-09-15 |
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