CN215498690U - High-power suspension type permanent magnet direct drive motor - Google Patents
High-power suspension type permanent magnet direct drive motor Download PDFInfo
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- CN215498690U CN215498690U CN202121577472.5U CN202121577472U CN215498690U CN 215498690 U CN215498690 U CN 215498690U CN 202121577472 U CN202121577472 U CN 202121577472U CN 215498690 U CN215498690 U CN 215498690U
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Abstract
The utility model discloses a high-power suspended permanent magnet direct drive motor, relates to the field of motors, aims to solve the problem of difficult assembly and disassembly, and adopts the technical scheme that: a high-power suspended permanent-magnet direct-drive motor comprises a stator base and a driving rotor support, wherein a plurality of stator cores are arranged on the inner circumferential surface of the stator base at equal angles, motor windings are arranged on the stator cores, a plurality of permanent-magnet magnetic poles are arranged on the outer circumferential surface of the driving rotor support at equal angles, and the driving rotor support comprises a central sleeve, a connecting ring sleeve and a connecting part; the stator base is of a structure with two penetrating ends, supporting end covers are arranged at the two ends of the stator base respectively, the supporting end covers are provided with inward-turning portions, the inward-turning portions are located in the connecting ring sleeves, and a rotary supporting mechanism is arranged between the inward-turning portions and the connecting ring sleeves. The high-power suspension type permanent magnet direct drive motor provided by the utility model has the advantage that the assembly and disassembly convenience is effectively improved.
Description
Technical Field
The utility model relates to the field of motors, in particular to a high-power suspended permanent magnet direct drive motor.
Background
The permanent magnet synchronous motor is mainly composed of a stator, a rotor, an end cover and the like, wherein the stator is formed by laminating laminations to reduce iron loss generated when the motor operates, and a three-phase alternating current winding, namely an armature, is arranged in the stator. The rotor may be made in solid form or may be pressed from laminations which carry the permanent magnet material.
The Chinese patent with publication number CN107086686B discloses a built-in permanent magnet motor rotor, which is technically characterized in that: the permanent magnet motor rotor comprises a traditional built-in permanent magnet motor rotor core, an alternating pole built-in permanent magnet motor rotor core, a rotating shaft and permanent magnets. Two sides of the rotor core of the alternating-pole built-in permanent magnet motor are respectively provided with a rotor core of the traditional built-in permanent magnet motor; the axial length of each traditional built-in permanent magnet motor rotor core is 0.1-0.3 times of the axial length of the whole built-in permanent magnet motor rotor core; 2p permanent magnet slots are uniformly distributed on a rotor core of the traditional built-in permanent magnet motor along the circumferential direction; a magnetic conduction bridge is formed between every two adjacent permanent magnet grooves; p permanent magnet slots are uniformly distributed on the rotor core of the alternating pole built-in permanent magnet motor along the circumferential direction; and a permanent magnet is uniformly distributed in each permanent magnet groove, and circumferential magnetism isolating grooves are formed in two sides of each permanent magnet.
The technical scheme disclosed by the scheme uses the rotating shaft as the torque output end, and in practical application, the problem that the assembly and disassembly are not easy is solved because a large coupling needs to be additionally arranged and the connection between the output shaft and the input shaft needs to be carried out between a crack of the motor and equipment when the high-power and large-volume motor such as mining machinery and large-scale hoisting machinery needs to be installed in a suspension mode.
Therefore, a new solution is needed to solve this problem.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a high-power suspended permanent-magnet direct-drive motor which effectively improves the loading and unloading convenience.
The technical purpose of the utility model is realized by the following technical scheme: a high-power suspended permanent-magnet direct-drive motor comprises a stator base and a driving rotor support which is rotatably connected in the stator base, wherein a plurality of stator cores are arranged on the inner circumferential surface of the stator base at equal angles, the stator cores are provided with motor windings, a plurality of permanent-magnet magnetic poles are arranged on the outer circumferential surface of the driving rotor support at equal angles, the driving rotor support comprises a central sleeve, a connecting ring sleeve which is coaxially arranged with the central sleeve, and a connecting part which is used for connecting the central sleeve and the connecting ring sleeve, the central sleeve is used for connecting an input shaft of a kinetic energy supplied device, and the permanent-magnet magnetic poles are arranged in the connecting ring sleeve; the stator frame is a structure with two penetrating ends, supporting end covers are arranged at the two ends of the stator frame respectively, the supporting end covers are provided with inward-turning portions, the inward-turning portions are located in the connecting ring sleeves, and a rotary supporting mechanism is arranged between the inward-turning portions and the connecting ring sleeves.
By adopting the technical scheme, when the torque demand equipment is specifically installed, the power connection between the torque demand equipment and the application can be completed by moving the integral alignment center sleeve to the input shaft of the torque demand equipment, horizontally pushing the application until the center sleeve is sleeved on the input shaft of the torque demand equipment, and reinforcing the input shaft and the center sleeve at one end of the application, which is back to the torque demand equipment; when the motor works specifically, current is led in through the motor winding, so that the stator core generates electromagnetism, the stator core and the permanent magnetic pole are in electromagnetic fit, the integral driving of the driving rotor support is realized, and the output of torque force is further realized; in conclusion, this application adopts brand-new drive rotor support structure to utilize rotatory supporting mechanism and support end cover to realize that the rotation of connecting ring cover and stator frame is connected, realize the outer circumference edge of drive rotor support and be connected with the rotation of stator frame promptly, make drive rotor support can cup joint with equipment input shaft with central sleeve, and central sleeve is the both ends structure that runs through, thereby possess and carry out the ability of consolidating between equipment input shaft and the drive rotor support in the outer terminal surface of this application, and need not with the help of the shaft coupling, effectively improve the loading and unloading convenience.
The utility model is further configured to: the central sleeve is of a structure with two penetrating ends, a shaft end positioning cover plate is fixed on one end flange of the central sleeve, and a plurality of connecting shaft long bolts are arranged on the shaft end positioning cover plate in a penetrating mode.
By adopting the technical scheme, after the input shaft of the torque demand equipment is sleeved by the central sleeve, the shaft end positioning cover plate is guided to cover the outer end of the central sleeve, and the flange is fixed after the angle is adjusted, so that the outer end of the central sleeve is sealed, and impurities such as dust are prevented from entering; after the fixing of the shaft end positioning cover plate is completed, the plurality of connecting shaft long bolts are sequentially screwed in, so that the fixing of the shaft end positioning cover plate and the equipment input shaft is realized, and the reinforcement of the equipment input shaft and the central sleeve is further realized.
The utility model is further configured to: the connecting part comprises two symmetrical connecting ring plates, and a hollow cavity is formed between the two connecting ring plates.
Through adopting above-mentioned technical scheme, under the prerequisite of guaranteeing central sleeve and connection ring cover stable connection, realize the lightweight design of drive rotor support, not only reduce the loss of torsion, promoted anti-vibration ability moreover.
The utility model is further configured to: the supporting end cover is provided with a positioning angle groove which is in an L shape and is abutted against an included angle between the inner circumferential surface and the end surface of the stator base, and the supporting end cover is provided with a plurality of fixing bolts which are screwed into the stator base.
Through adopting above-mentioned technical scheme, support the end cover and add the location angle groove and be used for cooperating the stator frame, realize the location of supporting end cover and stator frame on the one hand, on the other hand promotes connection compactness between them.
The utility model is further configured to: the enstrophe portion is provided with the gradient groove and is used for containing the rotary supporting mechanism, the connection ring cover is provided with a positioning convex ring, the positioning convex ring is opposite to the end face of the gradient groove, and the positioning convex ring and the end face of the gradient groove are both provided with axial positioning rings.
By adopting the technical scheme, the inward-turning part is additionally provided with the gradient groove, so that an installation position is provided for the rotary supporting mechanism; the connecting ring is additionally provided with a positioning convex ring which is matched with the end face of the gradient groove, and an axial positioning ring is additionally arranged, so that the relative axial position relation between the driving rotor support and the stator base is limited.
The utility model is further configured to: the rotary supporting mechanism comprises two yoke plates which are arranged oppositely, a plurality of pins arranged between the two yoke plates, and rollers which are coaxially sleeved on the pins in a rotating mode, wherein the arc surfaces of the rollers are tangent to the inner circumferential surface of the connecting ring sleeve.
By adopting the technical scheme, the rotary supporting mechanism is connected with the supporting end cover through the two yoke plates, an installation space is provided for the plurality of pins and the rollers, the outer circumferential surface of the roller is limited to be tangent to the inner circumferential surface of the connecting ring sleeve, so that the driving rotor support is rotatably connected with the supporting end cover in a rolling friction mode, and the friction resistance of the driving rotor support in rotation is effectively reduced.
The utility model is further configured to: the permanent magnetic poles are fixedly arranged on the outer circumferential surface of the connecting ring sleeve, and a magnetic isolation aluminum strip is arranged between the permanent magnetic poles and the connecting ring sleeve in a cushioning mode.
By adopting the technical scheme, the magnetic conduction between the permanent magnetic pole and the connecting ring sleeve is isolated by the magnetic isolation aluminum strip, so that the magnetic circuit of the permanent magnetic pole is prevented from being influenced by leakage.
The utility model is further configured to: and the two sides of the stator base are respectively provided with a fixed support edge, and the fixed support edges are provided with a plurality of through holes in a drilling manner.
Through adopting above-mentioned technical scheme to the fixed stator frame of mode that hangs to both sides to avoid influencing the convenience of central muffjoint torsion demand equipment input shaft because of the fixed of stator frame.
In conclusion, the utility model has the following beneficial effects: the outer circumferential edge of the driving rotor support is rotatably connected with the stator base, so that the driving rotor support can be sleeved with the equipment input shaft through the central sleeve, and the central sleeve is of a structure with two ends penetrating through, so that the capacity of reinforcing the space between the equipment input shaft and the driving rotor support on the outer end face of the driving rotor support is realized, a coupler is not needed, and the assembling and disassembling convenience is effectively improved; after the shaft end positioning cover plate is fixed, a plurality of connecting shaft long bolts are screwed in sequence, so that the shaft end positioning cover plate and the equipment input shaft are fixed, and the equipment input shaft and the central sleeve are reinforced; on the premise of ensuring stable connection of the central sleeve and the connecting ring sleeve, the lightweight design of the driving rotor support is realized, so that the loss of torque force is reduced, and the anti-vibration capability is improved; the supporting end cover is additionally provided with a positioning angle slot for matching with the stator base, so that the positioning of the supporting end cover and the stator base is realized on one hand, and the connection tightness of the supporting end cover and the stator base is improved on the other hand; the connecting ring is additionally provided with a positioning convex ring which is matched with the end surface of the gradient groove, and an axial positioning ring is additionally arranged, so that the relative axial position relation between the driving rotor support and the stator base is limited; the driving rotor support is rotationally connected with the supporting end cover in a rolling friction mode, so that the friction resistance of the driving rotor support during rotation is effectively reduced; the magnetic conduction between the permanent magnetic pole and the connecting ring sleeve is isolated by the magnetic isolation aluminum strip, so that the magnetic circuit of the permanent magnetic pole is prevented from being affected by leakage; the stator frame is fixed in a two-side suspension mode, so that the influence on the convenience of the central sleeve connecting the input shaft of the torsion demand equipment due to the fixation of the stator frame is avoided.
Drawings
FIG. 1 is a schematic overall structure of the present application;
FIG. 2 is a schematic view of the overall structure from another perspective of the present application;
FIG. 3 is a partial cross-sectional view of the present application;
FIG. 4 is an enlarged view of the portion A of FIG. 3, mainly showing a cross-sectional structure of the rotation support mechanism;
FIG. 5 is a schematic structural view of a support end cap according to the present application;
fig. 6 is a schematic structural diagram of the rotation support mechanism of the present application.
Description of the drawings: 1. a stator frame; 2. a drive rotor support; 3. a stator core; 4. a motor winding; 5. a permanent magnetic pole; 6. a central sleeve; 7. a connecting ring sleeve; 8. a connecting portion; 9. supporting the end cap; 10. an inverted portion; 17. a shaft end positioning cover plate; 18. a connecting shaft long bolt; 19. a connecting ring plate; 20. a hollow chamber; 21. positioning the corner groove; 22. fixing the bolt; 23. a gradient tank; 24. positioning the convex ring; 25. an axial positioning ring; 26. a yoke plate; 27. a pin; 28. a roller; 29. magnetic isolation aluminum strips; 30. fixing the supporting edge; 31. and a through hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
A high-power suspended permanent-magnet direct-drive motor is shown in figures 1, 2 and 3 and comprises a stator base 1 and a driving rotor support 2 which is rotatably connected in the stator base 1, wherein a plurality of stator cores 3 are arranged on the inner circumferential surface of the stator base 1 at equal angles, a motor winding 4 is arranged on each stator core 3, a plurality of permanent-magnet magnetic poles 5 are arranged on the outer circumferential surface of the driving rotor support 2 at equal angles, each driving rotor support 2 comprises a central sleeve 6, a connecting ring sleeve 7 which is coaxially arranged with the central sleeve 6, and a connecting part 8 which is used for connecting the central sleeve 6 and the connecting ring sleeve 7, the central sleeve 6 is used for connecting an input shaft of kinetic energy supplied equipment, and the permanent-magnet magnetic poles 5 are arranged on the connecting ring sleeve 7; the stator base 1 is a structure with two ends penetrating, the two ends of the stator base are respectively provided with a supporting end cover 9, the supporting end covers 9 are integrally formed with an inward-turning part 10, the inward-turning part 10 is positioned in the connecting ring sleeve 7, and a rotary supporting mechanism is arranged between the inward-turning part 10 and the connecting ring sleeve 7.
When the torque demand equipment is specifically installed, the torque demand equipment is integrally aligned to the input shaft of the torque demand equipment by moving the center sleeve 6, the torque demand equipment is horizontally pushed until the input shaft of the torque demand equipment is sleeved by the center sleeve 6, and the input shaft and the center sleeve 6 are reinforced at one end of the torque demand equipment, which is opposite to the torque demand equipment, so that the power connection between the torque demand equipment and the torque demand equipment can be completed; when the motor works specifically, current is led in through the motor winding 4, so that the stator core 3 generates electromagnetic property, the stator core 3 and the permanent magnet pole 5 are in electromagnetic fit, the integral driving of the driving rotor support 2 is realized, and the output of torque force is further realized; in conclusion, this application adopts brand-new drive rotor support 2 structure to utilize rotatory supporting mechanism and support end cover 9 to realize that connection ring cover 7 is connected with stator frame 1's rotation, realize the outer circumference edge of drive rotor support 2 and stator frame 1's rotation promptly and be connected, make drive rotor support 2 can cup joint with equipment input shaft with central sleeve 6, and central sleeve 6 is the both ends structure of running through, thereby possess and carry out the ability of consolidating between equipment input shaft and drive rotor support 2 in the outer terminal surface of this application, and need not with the help of the shaft coupling, effectively improve the handling convenience.
The central sleeve 6 and the equipment input shaft are reinforced in the following way, as shown in fig. 1 and fig. 3, the central sleeve 6 is in a structure with two ends penetrating through, a shaft end positioning cover plate 17 is fixed on a flange at one end of the central sleeve 6, and a plurality of connecting shaft long bolts 18 are arranged on the shaft end positioning cover plate 17 in a penetrating way; after the central sleeve 6 is sleeved on the input shaft of the torque demand equipment, the shaft end positioning cover plate 17 is guided to cover the outer end of the central sleeve 6, and flange fixing is carried out after the angle is adjusted, so that the outer end of the central sleeve 6 is sealed, and impurities such as dust are prevented from entering; after the fixing of the shaft end positioning cover plate 17 is completed, the plurality of connecting shaft long bolts 18 are screwed in sequence, so that the fixing of the shaft end positioning cover plate 17 and the equipment input shaft is realized, and the reinforcement of the equipment input shaft and the central sleeve 6 is further realized.
The specific structure of the connecting portion 8 is as follows, as shown in fig. 3, the connecting portion 8 includes two symmetrical connecting ring plates 19, and a hollow cavity 20 is formed between the two connecting ring plates 19, so that on the premise of ensuring stable connection between the central sleeve 6 and the connecting ring sleeve 7, a light weight design of the driving rotor support 2 is realized, thereby not only reducing loss of torque force, but also improving vibration resistance.
The supporting end cover 9 is fixedly installed on the stator base 1 in the following mode, as shown in fig. 3 and fig. 5, the supporting end cover 9 is machined and formed with a positioning angle groove 21, the positioning angle groove 21 abuts against an included angle between the inner circumferential surface and the end surface of the stator base 1 in an L shape, the supporting end cover 9 is provided with a plurality of fixing bolts 22, the fixing bolts 22 are screwed into the stator base 1, the supporting end cover 9 is additionally provided with the positioning angle groove for being matched with the stator base 1, on one hand, the positioning of the supporting end cover 9 and the stator base 1 is realized, and on the other hand, the connection tightness of the supporting end cover 9 and the stator base 1 is improved.
In order to improve the assembly precision of the driving rotor support 2 and the stator frame 1, as shown in fig. 3 and 5, the inward-turning part 10 is formed with a gradient groove 23 for accommodating the rotation support mechanism, thereby providing an installation position for the rotation support mechanism; the connecting ring sleeve 7 is integrally formed with a positioning convex ring 24, the positioning convex ring 24 is opposite to the end surface of the gradient groove 23, and the axial positioning rings 25 are fixedly arranged on the positioning convex ring 24 and the gradient groove, so that the relative axial position relation between the driving rotor support 2 and the stator base 1 is limited.
The specific structure of the rotation support mechanism is as follows, as shown in fig. 3, 5 and 6, the rotation support mechanism comprises two yoke plates 26 which are oppositely arranged, a plurality of pins 27 which are arranged between the two yoke plates 26, and a roller 28 which is coaxially and rotatably sleeved on each pin 27, so that the rotation support mechanism is connected with the support end cover 9 through the two yoke plates 26, and an installation space is provided for the plurality of pins 27 and rollers 28; the outer circumferential surface of the roller 28 is tangent to the inner circumferential surface of the connecting ring sleeve 7, so that the driving rotor support 2 is rotatably connected with the supporting end cover 9 in a rolling friction mode, and the friction resistance when the driving rotor support 2 rotates is effectively reduced.
In order to prevent the magnetic force of the permanent magnet pole 5 from leaking, as shown in fig. 3, the permanent magnet pole 5 is fixedly installed on the outer circumferential surface of the connecting ring sleeve 7, and a magnetic isolation aluminum strip 29 is arranged between the permanent magnet pole 5 and the connecting ring sleeve 7, so that the magnetic conduction between the permanent magnet pole 5 and the connecting ring sleeve 7 is isolated by the magnetic isolation aluminum strip 29, and the magnetic force of the permanent magnet pole 5 is prevented from leaking.
This application stator frame 1 is fixed through following mode, as shown in fig. 2, the both sides of stator frame 1 are provided with the fixed stay respectively and follow 30, and the fixed stay bores along 30 and is equipped with a plurality of through-holes 31 to can fix stator frame 1 through the mode that both sides hung, and then avoid influencing the convenience that central sleeve 6 connects torsion demand equipment input shaft because of stator frame 1's fixed.
The specific embodiments are only for explaining the present invention, and the present invention is not limited thereto, and those skilled in the art can make modifications without inventive contribution to the present embodiments as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a high-power suspension type permanent magnetism direct drive motor, includes stator frame (1) to and rotate the drive spider (2) of connecting in stator frame (1), a plurality of stator core (3) are installed to the peripheral isogonism in stator frame (1), stator core (3) are provided with motor winding (4), a plurality of permanent magnetism magnetic pole (5), its characterized in that are installed to the isogonism in the outer periphery of drive spider (2):
the driving rotor support (2) comprises a central sleeve (6), a connecting ring sleeve (7) and a connecting part (8), wherein the connecting ring sleeve (7) is coaxially arranged with the central sleeve (6), the connecting part (8) is used for connecting the central sleeve (6) and the connecting ring sleeve (7), the central sleeve (6) is used for connecting an input shaft of a kinetic energy supplied device, and the permanent magnet magnetic pole (5) is installed on the connecting ring sleeve (7);
the stator frame (1) is of a structure with two penetrating ends, the two ends of the stator frame are respectively provided with a supporting end cover (9), the supporting end cover (9) is provided with an inward-turning part (10), the inward-turning part (10) is located in the connecting ring sleeve (7), and a rotary supporting mechanism is arranged between the inward-turning part and the connecting ring sleeve.
2. The high-power suspended permanent-magnet direct-drive motor according to claim 1, characterized in that: the central sleeve (6) is of a structure with two penetrating ends, a shaft end positioning cover plate (17) is fixed on one end flange of the central sleeve, and a plurality of connecting shaft long bolts (18) penetrate through the shaft end positioning cover plate (17).
3. The high-power suspended permanent-magnet direct-drive motor according to claim 1, characterized in that: the connecting part (8) comprises two symmetrical connecting ring plates (19), and a hollow cavity (20) is formed between the two connecting ring plates (19).
4. The high-power suspended permanent-magnet direct-drive motor according to claim 1, characterized in that: the supporting end cover (9) is provided with a positioning angle groove (21), the positioning angle groove (21) is in an L shape and abuts against an included angle between the inner circumferential surface and the end surface of the stator base (1), the supporting end cover (9) is provided with a plurality of fixing bolts (22), and the fixing bolts (22) are screwed into the stator base (1).
5. The high-power suspended permanent-magnet direct-drive motor according to claim 1, characterized in that: the inverted part (10) is provided with a gradient groove (23) for accommodating a rotary supporting mechanism, the connecting ring sleeve (7) is provided with a positioning convex ring (24), the positioning convex ring (24) is opposite to the end face of the gradient groove (23), and the positioning convex ring and the gradient groove are both provided with axial positioning rings (25).
6. The high-power suspended permanent-magnet direct-drive motor according to claim 5, characterized in that: the rotary supporting mechanism comprises two yoke plates (26) which are arranged oppositely, a plurality of pins (27) which are arranged between the two yoke plates (26), and rollers (28) which are coaxially and rotatably sleeved on the pins (27), wherein the arc surfaces of the rollers (28) are tangent to the inner circumferential surface of the connecting ring sleeve (7).
7. The high-power suspended permanent-magnet direct-drive motor according to claim 1, characterized in that: the permanent magnetic poles (5) are fixedly arranged on the outer circumferential surface of the connecting ring sleeve (7), and a magnetic isolation aluminum strip (29) is arranged between the permanent magnetic poles and the connecting ring sleeve in a cushioning mode.
8. The high-power suspended permanent-magnet direct-drive motor according to claim 1, characterized in that: the stator frame is characterized in that two sides of the stator frame (1) are respectively provided with a fixed support edge (30), and a plurality of through holes (31) are drilled in the fixed support edges (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121577472.5U CN215498690U (en) | 2021-07-12 | 2021-07-12 | High-power suspension type permanent magnet direct drive motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121577472.5U CN215498690U (en) | 2021-07-12 | 2021-07-12 | High-power suspension type permanent magnet direct drive motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215498690U true CN215498690U (en) | 2022-01-11 |
Family
ID=79726035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121577472.5U Active CN215498690U (en) | 2021-07-12 | 2021-07-12 | High-power suspension type permanent magnet direct drive motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215498690U (en) |
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2021
- 2021-07-12 CN CN202121577472.5U patent/CN215498690U/en active Active
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