CN219659566U - Stator and rotor combined assembly device of permanent magnet motor - Google Patents
Stator and rotor combined assembly device of permanent magnet motor Download PDFInfo
- Publication number
- CN219659566U CN219659566U CN202320537599.7U CN202320537599U CN219659566U CN 219659566 U CN219659566 U CN 219659566U CN 202320537599 U CN202320537599 U CN 202320537599U CN 219659566 U CN219659566 U CN 219659566U
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- rotor
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- 238000000034 method Methods 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000004804 winding Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 abstract description 3
- 238000005065 mining Methods 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 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
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The utility model belongs to the field of permanent magnet motor assembly, and solves the problems of poor assembly quality caused by winding insulation and bearing scratch due to the fact that the magnetic attraction between a stator and a rotor is easy to be absorbed together when the stator and the rotor are assembled due to the small air gap between the stator and the rotor of an explosion-proof permanent magnet motor. The stator and rotor combined assembly device of the permanent magnet motor comprises an installation platform, a positioning shaft, a guide plate and a positioning rod, wherein the installation platform is used for supporting combined assembly; the top of the mounting platform is fixedly provided with a cover plate, the cover plate is fixedly connected with a non-shaft extension end cover of the stator frame, the guide plate is arranged on the non-shaft extension end cover of the stator frame, positioning rods and screw rods are uniformly distributed on the shaft extension end cover of the stator frame at intervals, and the positioning shaft is detachably connected with the non-shaft extension end of the permanent magnet rotor along the axial direction; the guide plate is provided with a guide hole and a positioning hole, the guide hole and a rotating shaft of the permanent magnet rotor are coaxially arranged, and in the assembling process of the permanent magnet rotor and the stator base, the positioning shaft and the guide hole pass through the guide plate and the cover plate in a matched manner and extend into the mounting platform.
Description
Technical Field
The utility model belongs to the field of permanent magnet motor assembly, and particularly relates to a stator and rotor assembling device of a permanent magnet motor.
Background
The mining flameproof permanent magnet motor has the advantages of stable starting, large output torque, high transmission efficiency, compact structure, low noise, no maintenance, energy conservation, environmental protection and the like, and is widely applied to the coal mine belt conveyor.
The stator and rotor assembly of the mining permanent magnet motor is a key procedure in the production process of the permanent magnet motor, however, because the air gap between the stator and the rotor of the mining permanent magnet motor is small and is about 1-3 mm, when the stator and the rotor are assembled, the magnetic attraction between the stator and the rotor is large and is easy to be absorbed together, so that the quality problems of winding insulation, bearing scratch and the like are caused, and the assembly failure is caused.
Disclosure of Invention
The utility model provides a stator and rotor combined assembly device of a permanent magnet motor, which aims to solve the problems in the prior art that the stator and rotor of the mining flameproof permanent magnet motor are small in air gap, and when the stator and rotor are combined, the stator and rotor are easily adsorbed together due to large magnetic attraction, so that winding insulation and a bearing are scratched, and the combined assembly is failed.
The utility model is realized by adopting the following technical scheme: a permanent magnet motor stator and rotor assembling device comprises an installing platform, a positioning shaft, a guide plate and a positioning rod, wherein the installing platform, the positioning shaft, the guide plate and the positioning rod are used for supporting assembling;
the top of the mounting platform is fixedly provided with a cover plate, the cover plate is fixedly connected with a non-shaft extension end cover of the stator frame, the guide plate is arranged on the non-shaft extension end cover of the stator frame, positioning rods and screw rods for positioning and mounting the permanent magnet rotor are uniformly distributed on the shaft extension end cover of the stator frame at intervals, and the positioning shaft is detachably connected with the non-shaft extension end of the permanent magnet rotor along the axial direction;
the guide plate is provided with a guide hole and a positioning hole, the guide hole and a rotating shaft of the permanent magnet rotor are coaxially arranged, and in the assembling process of the permanent magnet rotor and the stator base, the positioning shaft and the guide hole pass through the guide plate and the cover plate in a matched manner and extend into the mounting platform.
Preferably, the bottom circumference of locating shaft is equipped with the fillet structure, the top circumference of the locating hole of deflector is equipped with the fillet structure, just the deflector transversal personally submits the protruding word, and the locating hole sets up the central point of locating plate.
Preferably, an adjusting rod is mounted at the top end of the positioning shaft, the adjusting rod is of a round rod structure, and the positioning shaft and the adjusting rod are coaxially arranged.
Preferably, the positioning rod is provided with a top thread fixing hole and a fixing hole, the top thread fixing hole is fixedly connected with the shaft extension end cover of the stator base through a fixing bolt along the axial direction, and the fixing hole is fixedly connected with the shaft extension end cover of the stator base through the fixing bolt along the radial direction; the screw rod penetrates through the non-shaft extension end cover of the permanent magnet rotor and is connected with the shaft extension end cover of the stator base, a nut is sleeved on the screw rod, and the nut is positioned at the top end of the non-shaft extension end cover of the permanent magnet rotor.
Preferably, the center of the non-shaft extension end face of the permanent magnet rotor is symmetrically provided with hanging rings for the permanent magnet rotor.
Preferably, the positioning shaft is provided with a through hole, a bolt connection hole and a matching hole matched with the non-shaft extension end of the permanent magnet rotor, and the through hole is symmetrically arranged at one end of the positioning shaft; when the rotating shaft driving end of the permanent magnet rotor is in fit connection with the matching hole, the fixing bolt can pass through the penetrating hole and is fixedly connected with the non-shaft extending end of the permanent magnet rotor through the bolt connecting hole.
Compared with the prior art, the utility model has the beneficial effects that: the stator and rotor combined assembly device of the permanent magnet motor comprises an installation platform, a positioning shaft, a guide plate and a positioning rod, wherein the installation platform is used for supporting combined assembly; the top of the mounting platform is fixedly provided with a cover plate, the cover plate is fixedly connected with a non-shaft extension end cover of the stator frame, the guide plate is mounted on the non-shaft extension end cover of the stator frame, positioning rods and screw rods for positioning and mounting the permanent magnet rotor are uniformly distributed on the shaft extension end cover of the stator frame at intervals, and the positioning shaft is detachably connected with a rotating shaft transmission end of the permanent magnet rotor along the axial direction; through the cooperation of the positioning rod and the screw rod, the rotor can be effectively prevented from tilting due to asymmetric weight in the downward moving process, and winding damage caused by increased friction of an assembling surface due to the position movement of the stator during assembling is avoided; the guide plate is provided with the guide hole and the positioning hole, and the guide hole and the rotating shaft of the permanent magnet rotor are coaxially arranged, in the assembling process of the permanent magnet rotor and the stator frame, the positioning shaft and the guide hole are matched to penetrate through the guide plate and the cover plate to extend into the mounting platform, the central coaxiality of the permanent magnet rotor and the stator frame is ensured through the mutual matching of the positioning shaft, the positioning rod and the guide plate, the technical problems that the existing stator-rotor assembling equipment cannot guarantee accurate centering positioning and cannot conduct accurate guiding are solved, the accurate centering positioning and guiding of the stator case and the permanent magnet rotor in the assembling process are guaranteed, the reliable, safe and efficient assembling of the stator-rotor of the motor and the winding without damage are realized, and the assembling quality and accuracy of the stator-rotor are guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view of a positioning shaft of the present utility model;
FIG. 3 is a cross-sectional view of a guide plate of the present utility model;
FIG. 4 is a cross-sectional view of a detent lever of the present utility model;
fig. 5 is a schematic view of a cover plate of the present utility model.
In the figure: 1-a mounting platform; 2-positioning a shaft; 21-a rounded corner structure; 22-through holes; 23-bolting holes; 24-mating holes; 3-guide plates; 31-a guide hole; 311-rounding structures; 32-positioning holes; 4-positioning rods; 41-top thread hole; 42-fixing holes; 5-screw; 6-stator stand; 7-permanent magnet rotors; 8-adjusting the rod; 9-a nut; 10-hanging rings; 11-pit structure; 12-cover plate.
Detailed Description
Technical solutions in the embodiments of the present utility model will be clearly and completely described with reference to the drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the examples of this utility model without making any inventive effort, are intended to be within the scope of this utility model.
It should be understood that the structures, proportions, sizes, etc. shown in the drawings are merely for the purpose of understanding and reading the disclosure, and are not intended to limit the scope of the utility model, which is defined by the appended claims, and any structural modifications, proportional changes, or dimensional adjustments, which may be made by those skilled in the art, should fall within the scope of the present disclosure without affecting the efficacy or the achievement of the present utility model, and it should be noted that, in the present disclosure, relational terms such as first and second are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.
The present utility model provides an embodiment: the stator and rotor assembling device of the permanent magnet motor comprises an installing platform 1, a locating shaft 2, a guide plate 3 and a locating rod 4, wherein the installing platform is used for supporting assembling; the top of the mounting platform 1 is fixedly provided with a cover plate 12, as shown in fig. 5, the cover plate 12 is fixedly connected with a non-shaft extending end cover of the stator frame 6, the guide plate 3 is mounted on the non-shaft extending end cover of the stator frame 6, positioning rods 4 and screw rods 5 for positioning and mounting the permanent magnet rotor 7 are uniformly distributed on the shaft extending end cover of the stator frame 6 at intervals, and the positioning shaft 2 is detachably connected with the non-shaft extending end of the permanent magnet rotor 7 along the axial direction; the guide plate 3 is provided with a guide hole 31 and a positioning hole 32, the guide hole 31 and the rotating shaft of the permanent magnet rotor 7 are coaxially arranged, and in the process of assembling the permanent magnet rotor 7 and the stator base 6, the positioning shaft 2 and the guide hole 31 pass through the guide plate 3 and the cover plate 12 in a matching manner and extend into the mounting platform 1.
When the stator and the rotor of the permanent magnet motor are assembled, the cover plate 12 provided with the positioning shaft penetrating holes is prevented from being arranged on the mounting platform 1, the positioning shaft penetrating holes are arranged opposite to the pit structure of the mounting platform 1, the upper surface of the cover plate 12 is kept horizontal, the guide plate 3 is arranged on the end face (non-shaft extending end cover) of the end B of the stator frame 6, the stator frame 6 is lifted by a bridge crane, the end cover B of the stator frame 6 is arranged on the cover plate 12, and the center hole of the guide plate 2 and the center hole of the cover plate 12 are coaxially arranged. The end cover of the non-shaft transmission end of the permanent magnet rotor 7 is mounted on the permanent magnet rotor 7, the shaft transmission end of the permanent magnet rotor 7 is lifted downwards through a bridge crane, then the positioning shaft 2 is connected to the non-shaft extension end of the permanent magnet rotor 7 in an axially detachable mode and is symmetrically fastened through a fixing bolt, and the adjusting rod 8 is mounted on the stator shaft 1; fixing 12 high-strength positioning rods 4 in an end face (a non-shaft extending end cover) of an end A of a stator frame 6 at intervals, firstly, fastening no bolts, then lifting the permanent magnet rotor 7 to the position right above the stator frame 6 by using a bridge crane, slowly lowering the permanent magnet rotor 7 after aligning the center of the stator frame 6, manually adjusting an adjusting rod 8 to enable a positioning shaft 2 to enter a guide hole 31 of a guide plate 3, adjusting the positioning rod 4 to enable the center line of the permanent magnet rotor 7 to be positioned at the center of the stator frame 6, fastening the positioning rod 4 by using a fixing bolt, then installing 12 screws 5, arranging the positioning rod 4 and the screws 5 at intervals, continuing to lower the permanent magnet rotor 7, symmetrically screwing nuts 9 on the screws 5 after the permanent magnet rotor 7 is stationary, and taking out the positioning rod 4 when the permanent magnet rotor 7 is driven to descend to be capable of disassembling and taking out the positioning rod 4; the nut 6 is symmetrically screwed until the spigot of the non-transmission end cover of the permanent magnet rotor 7 is in contact fit with the spigot of the shaft extension end cover of the stator base 6, the positioning shaft 2, the guide plate 3 and the screw 5 are disassembled after checking and confirming that the permanent magnet rotor 7 of the motor can rotate, and the shaft extension end cover of the stator base 6 and the non-shaft extension end cover of the permanent magnet rotor 7 are fixed by bolts, so that the stator and the rotor of the permanent magnet motor are assembled. Through the cooperation of the positioning rod 4 and the screw rod 5, the permanent magnet rotor 7 can be effectively prevented from inclining due to asymmetric weight in the downward moving process, and winding damage caused by increased friction of a combined surface due to the position movement of the stator during combined assembly is avoided; as shown in fig. 3, the guide plate 3 is provided with a guide hole 31 and a positioning hole 32, the guide hole 31 and a rotating shaft of the permanent magnet rotor 7 are coaxially arranged, in the assembling process of the permanent magnet rotor 7 and the stator base 6, the positioning shaft 2 and the guide hole 31 are matched to penetrate through the guide plate 3 and the cover plate 12 to extend into the mounting platform, the central coaxiality of the permanent magnet rotor 7 and the stator base 6 is ensured through the mutual matching of the positioning shaft 2, the positioning rod 4 and the guide plate 3, the technical problems that the existing stator and rotor assembling equipment cannot guarantee accurate centering positioning and cannot conduct accurate guiding are solved, the accurate centering positioning and guiding of the stator case 6 and the permanent magnet rotor 7 in the assembling process are guaranteed, the reliable, safe and efficient assembling of the stator and the rotor of the motor is realized, and the winding is free from damage, and the assembling quality and precision of the stator and the rotor are ensured.
In a specific embodiment, as shown in fig. 2, the bottom circumference of the positioning shaft 2 is provided with a rounded corner structure 21, the top circumference of the positioning hole 32 of the guide plate 3 is provided with a rounded corner structure 311, and the cross section of the guide plate 3 is in a convex shape, and the positioning hole 32 is disposed at the center of the positioning plate 2. The adoption of the round corner structure 21 and the round corner structure 311 in combination avoids accidental collision caused by positioning the positioning shaft 2 and the guide plate 3 during positioning and use, and further damages the decoupling body.
In a specific embodiment, the top end of the positioning shaft 2 is provided with an adjusting rod 8, the adjusting rod 8 is in a round rod structure, and the positioning shaft 2 and the adjusting rod 8 are coaxially arranged. The positioning shaft 2 is provided with the adjusting rod 8, so that the guide hole 31 for guiding the positioning shaft 2 into the guide plate 3 is convenient to manually adjust, and the efficiency of positioning work is improved.
In a specific embodiment, as shown in fig. 4, the positioning rod 4 is provided with a top wire hole 41 and a fixing hole 42, the top wire hole 41 is fixedly connected with the shaft extension end cover of the stator frame 6 through a fixing bolt along the axial direction, and the fixing hole 42 is fixedly connected with the shaft extension end cover of the stator frame 6 through a fixing bolt along the radial direction; the screw rod 5 runs through the non-shaft extension end cover of the stator frame 6 and is connected with the shaft extension end cover of the stator frame 6, the screw rod 5 is sleeved with the nut 9, the nut 9 is positioned at the top end of the non-shaft extension end cover of the permanent magnet rotor 7, and the rotor can be effectively prevented from inclining due to asymmetric weight in the downward moving process through the matching use of the positioning rod 4 and the screw rod 5, so that the accurate centering positioning and guiding of the stator case 6 and the permanent magnet rotor 7 in the assembling process are improved.
In a specific embodiment, the end face center of the non-shaft extension end of the permanent magnet rotor 7 is symmetrically provided with a hanging ring 10 for the permanent magnet rotor 7. And the bridge crane is convenient for lifting and moving the permanent magnet rotor 7.
In a specific embodiment, the positioning shaft 2 is provided with a through hole 22, a bolt connection hole 23 and a matching hole 24 matched with the non-shaft extension end of the permanent magnet rotor 7, and the through hole 22 is symmetrically arranged at one end of the positioning shaft 2; when the end face of the non-shaft extension end of the permanent magnet rotor 7 is in fit connection with the matching hole 24, the fixing bolt can pass through the passing hole 22 and be fixedly connected with the non-shaft extension end of the permanent magnet rotor 7 through the bolt connecting hole 23. The end face of the positioning shaft 2 is connected with the end face of the non-shaft extending end of the permanent magnet rotor 7 through bolts, so that the fit clearance between the positioning shaft 2 and the guide hole 31 is reduced, wherein the fit clearance between the positioning shaft 2 and the non-shaft extending end of the permanent magnet rotor 7 is 0.05-0.1 mm, the fit clearance between the positioning shaft 2 and the guide hole 31 of the guide plate 3 is 0.2-0.25 mm, the fit clearance between the positioning hole 32 of the guide plate 3 and the inner hole of the non-shaft extending end cover of the stator case 6 is 0.08-0.12 mm, the positioning precision between the permanent magnet rotor 7 and the stator case 6 is greatly improved, and the combined assembly quality of the stator and the rotor is ensured.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the technical scope of the present utility model should be included in the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (6)
1. The stator and rotor combined assembly device of the permanent magnet motor is characterized by comprising a mounting platform (1), a positioning shaft (2), a guide plate (3) and a positioning rod (4) which are used for supporting combined assembly;
the top of the mounting platform (1) is fixedly provided with a cover plate (12), the cover plate (12) is fixedly connected with a non-shaft extending end cover of the stator base (6), the guide plate (3) is mounted on the non-shaft extending end cover of the stator base (6), positioning rods (4) and screw rods (5) for positioning and mounting the permanent magnet rotor (7) are uniformly distributed on the shaft extending end cover of the stator base (6) at intervals, and the positioning shaft (2) is detachably connected with the non-shaft extending end of the permanent magnet rotor (7) along the axial direction;
the guide plate (3) is provided with a guide hole (31) and a positioning hole (32), the guide hole (31) and a rotating shaft of the permanent magnet rotor (7) are coaxially arranged, and in the assembling process of the permanent magnet rotor (7) and the stator base (6), the positioning shaft (2) and the guide hole (31) are matched to penetrate through the guide plate (3) and the cover plate (12) to extend into the mounting platform (1).
2. The stator and rotor assembly device of the permanent magnet motor according to claim 1, wherein a round corner structure (21) is circumferentially arranged at the bottom of the positioning shaft (2), a round corner structure (311) is circumferentially arranged at the top end of a positioning hole (32) of the guide plate (3), the cross section of the guide plate (3) is in a convex shape, and the positioning hole (32) is arranged at the center of the positioning shaft (2).
3. The stator and rotor combined assembly device of the permanent magnet motor according to claim 2, wherein an adjusting rod (8) is arranged at the top end of the positioning shaft (2), the adjusting rod (8) is of a round rod structure, and the positioning shaft (2) and the adjusting rod (8) are coaxially arranged.
4. The stator and rotor assembly device of the permanent magnet motor according to claim 1, wherein the positioning rod (4) is provided with a fixed top thread hole (41) and a fixed hole (42), the top thread hole (41) is fixedly connected with an axially extending end cover of the stator base (6) along the axial direction through a fixed bolt, and the fixed hole (42) is fixedly connected with the axially extending end cover of the stator base (6) along the radial direction through the fixed bolt;
the screw (5) penetrates through the non-shaft extension end cover of the permanent magnet rotor (7) and is connected with the shaft extension end cover of the stator base (6), a nut (9) is sleeved on the screw (5), and the nut (9) is located at the top end of the non-shaft extension end cover of the permanent magnet rotor (7).
5. The stator and rotor assembly device of the permanent magnet motor according to claim 1, wherein the center of the end face of the non-transmission end of the rotating shaft of the permanent magnet rotor (7) is symmetrically provided with hanging rings (10) for the permanent magnet rotor (7).
6. The stator and rotor combined assembly device of the permanent magnet motor according to claim 1, wherein the positioning shaft (2) is provided with a through hole (22), a bolt connection hole (23) and a matching hole (24) matched with a non-shaft extension end of the permanent magnet rotor (7), and the through hole (22) is symmetrically arranged at one end of the positioning shaft (2);
when the rotating shaft driving end of the permanent magnet rotor (7) is in fit connection with the matching hole (24), the fixing bolt can pass through the passing hole (22) and be fixedly connected with the non-shaft extension end of the permanent magnet rotor (7) through the bolt connecting hole (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320537599.7U CN219659566U (en) | 2023-03-20 | 2023-03-20 | Stator and rotor combined assembly device of permanent magnet motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320537599.7U CN219659566U (en) | 2023-03-20 | 2023-03-20 | Stator and rotor combined assembly device of permanent magnet motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219659566U true CN219659566U (en) | 2023-09-08 |
Family
ID=87857750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320537599.7U Active CN219659566U (en) | 2023-03-20 | 2023-03-20 | Stator and rotor combined assembly device of permanent magnet motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219659566U (en) |
-
2023
- 2023-03-20 CN CN202320537599.7U patent/CN219659566U/en active Active
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