CN211606343U - Device for assembling and disassembling permanent magnet motor rotor - Google Patents
Device for assembling and disassembling permanent magnet motor rotor Download PDFInfo
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- CN211606343U CN211606343U CN202020473703.7U CN202020473703U CN211606343U CN 211606343 U CN211606343 U CN 211606343U CN 202020473703 U CN202020473703 U CN 202020473703U CN 211606343 U CN211606343 U CN 211606343U
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Abstract
The utility model discloses a device for assembling and disassembling a permanent magnet motor rotor, which comprises two support frames for fixing the rotor, wherein the two support frames are relatively fixed on a platform, one end of the rotor is fixed on one support frame, one end of a process shaft is fixed on the other support frame, and the free end of the rotor is connected with the free end of the process shaft through a coupling; the guide rail parallel to the axial direction of the rotor is arranged on the platform, and a sliding plate for arranging the stator is connected with the guide rail through four sliding blocks. Rotor assembly and device dismantled have simple structure, and do not need the top of great diameter, can conveniently adjust the axiality of rotor and stator simultaneously for the installation is more smooth.
Description
Technical Field
The utility model relates to a device for permanent-magnet machine rotor assembly and dismantlement belongs to the motor and makes technical field.
Background
Permanent magnet motor has the permanent magnet because of inlaying in the electric motor rotor, and magnetic force is great, and when deciding, rotor assembly of final assembly in-process, if do not have accurate direction to guarantee, stator and rotor will be because of very strong magnetic force absorption locking together, be difficult to the separation, lead to the final assembly failure.
At present, a modified horizontal boring machine or a large horizontal lathe is generally adopted for assembling the permanent magnet motor as assembling equipment, and auxiliary tools such as a process lengthening shaft and the like need to be designed. The assembly solution has the following drawbacks: 1) special equipment is needed, transformation is carried out, and investment is large; 2) the design of the accessory tool is complex, and the use is inconvenient; 3) the tool is complex, the operation is complex and the efficiency is not high. Due to the defects, the common assembly mode is not suitable for assembling the medium-sized permanent magnet synchronous motor.
1) The invention patent of patent No. 201010151264.9 discloses a general assembly machine of a double-wheel positioning rare earth permanent magnet motor, which adopts double-wheel positioning to position a motor stator in four directions of up, down, left and right under the action of a rotor magnetic field, only allows the stator to slide in the axial direction, quickly completes the general assembly of the rare earth permanent magnet motor, and is suitable for rare earth permanent magnet synchronous motors and generators. The assembly machine comprises a main assembly machine static support, a main assembly machine dynamic support, an adjusting wheel, a locking wheel, a main assembly machine process shaft, a coupling, a motor center high standard cushion block, a pulley left and right direction positioning driving wheel, a pulley up and down direction positioning driving wheel, an adjustable limiting cushion block, a main assembly machine rack and a standard cushion block fastening screw rod; the assembly machine comprises a general assembly machine rack, a pulley left-right direction positioning driving wheel, a pulley up-down direction positioning driving wheel, a group of motor center high-standard cushion blocks and a group of motor center high-standard cushion blocks, wherein the guide rail is arranged on the upper portion of the general assembly machine rack, the general assembly machine static support is fixed at one end of the general assembly machine rack, the general assembly machine movable support is arranged on the guide rail at one end of the general assembly machine rack. The permanent magnet motor general assembly machine has the following problems: the height of the stator is adjusted to be the same as that of the rotor by a plurality of motor center high standard cushion blocks, but the levelness of the center of the stator and the verticality of the center of the stator cannot be adjusted; another problem is that: the thimble is adopted to fix the rotor, and because the span of the thimble is long, the diameter of the thimble needs to be increased to improve the rigidity of the thimble; when the rotor is installed, an adjustable thimble needs to be arranged and the advancing and retreating of the thimble is adjusted through an adjusting wheel, and the thimble needs to be fixed, so that the structure of a fixed part is complex, and the horizontal and vertical errors of the center of the stator cannot be adjusted.
201910222108.8 patent application discloses a tool for assembling a stator and a rotor of a permanent magnet motor, which comprises a base, a lifting device and a stator feeding device, wherein the base is provided with a pressure head, a middle supporting plate and a right supporting plate, the pressure head is provided with a thread center, the middle supporting plate and the right supporting plate are provided with long centers, the rotor is arranged between the thread center and the long centers, the stator is arranged on the long centers and is connected with the lifting device to ensure that the stator and the rotor are coaxially arranged, and the stator feeding device is arranged at the lower part of the lifting device to realize the stator and rotor assembly by the feeding operation of the stator. The tool for assembling the stator and the rotor has the following problems: 1. the rotor is fixed by a thread center and a long center, so that a larger clamping force is required, the clamping force is also required to be adjusted by the thread center, and a device for adjusting and fixing the thread thimble is required to be added; 2. because the long center is too long, an intermediate supporting device needs to be added in the middle to avoid deflection deformation. 3. The stator cannot adjust the coaxiality between the horizontal direction and the vertical direction and the center of the rotor.
In view of this, a device for assembling and disassembling a rotor of a permanent magnet motor, which has a simple structure and does not require the addition of complex equipment for adjusting, fixing the thimble and the intermediate support, has become a goal pursued by those skilled in the art.
Disclosure of Invention
The utility model aims to solve the current permanent-magnet machine stator-rotor assembly and adopt the fixed rotor of thimble with the instrument, it has the structure complicacy, needs the clamp force big and need the middle strutting arrangement of thimble for the complicated problem of instrument.
Another object of the utility model is to solve the unable axiality of adjusting the stator center with the rotor center in horizontal direction, vertical direction in the current permanent-magnet machine decides rotor assembly with the instrument.
In order to achieve the above object, the present invention provides a device for assembling and disassembling a permanent magnet motor rotor, which comprises two support frames for fixing the rotor, and is characterized in that the two support frames are relatively fixed on a platform, one end of the rotor is fixed on one support frame, one end of a process shaft is fixed on the other support frame, and the free end of the rotor and the free end of the process shaft are connected together through a coupling; the guide rail parallel to the axial direction of the rotor is arranged on the platform, and a sliding plate for arranging the stator is connected with the guide rail through four sliding blocks.
In order to improve the accuracy of installation and ensure the coaxiality of the rotor and the stator in the horizontal direction during installation, as an optimal mode, a horizontal adjusting component for adjusting the coaxiality of the center of the stator and the center of the rotor is arranged on the sliding plate, the horizontal adjusting component comprises side jacking blocks which are arranged on the sliding plate and positioned at two ends of a stator base, and adjusting screws are arranged on the side jacking blocks.
In order to improve the precision of installation, the axiality of the vertical direction of rotor and stator when guaranteeing the installation is as preferred the last vertical adjustment part that is used for adjusting stator center and rotor center axiality that is equipped with of slide, vertical adjustment part is including establishing four height adjustment boards between stator base and slide, the last four adjusting bolt that is equipped with of height adjustment board for the height of adjustment height adjustment board.
Preferably, the support frame comprises a horizontal base connected with the platform, and a mounting plate vertically arranged on the horizontal base, wherein the mounting plate is provided with a plurality of holes for inserting the end parts of the rotor or the process shaft, and the mounting plate is also provided with screw holes for temporarily hanging the stator end cover.
Preferably, two reinforcing rib plates perpendicular to the horizontal base and the mounting plate are arranged on the back surface of the mounting plate.
Preferably, the process shaft is a hollow shaft.
The device for assembling and disassembling the permanent magnet motor rotor of the utility model is characterized in that in the assembling process, the rotor is arranged on the supporting frame at one side, the process shaft is arranged on the supporting frame at the other side, and the rotor and the process shaft are connected through the shaft coupling; fixing the stator on the sliding plate, keeping the stator static, pushing the sliding plate, and gradually sleeving the stator into the rotor; adjusting the position of the stator in the horizontal direction through adjusting bolts on side top blocks on two sides of the base seat to enable the center of the stator to be coaxial with the rotor on the horizontal square line; the position of the stator in the vertical direction is adjusted through the height adjusting plate, the motor stator is concentric with the rotor in the vertical direction, the stator is pushed, the motor stator is gradually inserted into the rotor, after the motor stator reaches the final position, the stator and the rotor are positioned through end covers at two ends of the stator, and the process shaft is removed to complete assembly. Adopt a device for assembly of permanent-magnet machine rotor and dismantlement, the process of demolising the process rotor is just in time opposite with the assembly rotor process.
The device for assembling and disassembling the permanent magnet motor rotor adopts the technical scheme, and the end parts of the rotor and the process shaft are directly inserted into the mounting holes on the two support frames, so that the device is simple to mount and easy to operate; on the other hand, compared with the method for fixing the rotor through the center, the clamping force is large, and an intermediate supporting device and a device for adjusting and fixing the movable center are not required to be additionally arranged. The stator adopts a guide rail structure which slides stably, and the stator is directly installed through the guide rail, the sliding block and the sliding plate, so that the stator can move linearly along the guide rail, and the stator can move conveniently.
Particularly, the center of the stator can be adjusted in the horizontal and vertical directions by the platform through the vertical adjusting device and the horizontal adjusting device which are arranged on the sliding plate, so that the center of the stator is ensured to be coaxial with the center of the rotor in the horizontal and vertical directions. The supporting frame is provided with a plurality of rotor mounting holes, the sliding plate is provided with a vertical adjusting device for adjustment, the dismounting of permanent magnet motors of various models is adapted, and the tool adaptability is strong. Therefore, compared with the prior art, the utility model, simple structure has, simple to operate is with low costs, and the rotor is fixed firm, the good advantage of axiality of rotor stator during the installation.
The supporting frame is provided with holes for installing the rotor and the end part of the process shaft, the rotor and the process shaft can be directly inserted into the supporting frame, the cantilever is fixed, auxiliary tools are not needed, and 1 person can operate the device. The process shaft adopts a hollow shaft, so that the rigidity of the cantilever can be greatly improved, and the weight of the process shaft is reduced.
Drawings
Figure 1 is a longitudinal section of the device for assembling and disassembling a rotor of a permanent magnet machine according to the present invention;
FIG. 2 is a cross-sectional view B-B of FIG. 1;
fig. 3 is a left side view of the apparatus for assembling and disassembling a rotor of a permanent magnet motor according to the present invention;
fig. 4 is a schematic structural diagram of a sliding plate, a horizontal adjustment component and a vertical adjustment component for assembling and disassembling a permanent magnet motor rotor according to the present invention;
5a, 5b are a cross-sectional view and a front view of a support frame I for assembling and disassembling a permanent magnet motor rotor according to the invention;
fig. 6a and 6b are assembled top view and side view of the guide rail and the sliding block for assembling and disassembling the permanent magnet motor rotor according to the present invention;
fig. 7a and 7b are front and top views of the side top block for assembling and disassembling the permanent magnet motor rotor according to the present invention.
Description of reference numerals: the support frame I1, the horizontal base 11, the mounting plate 12, the hole 13, the screw hole 14 and the reinforcing rib plate 15; the second support frame 2, the platform 3, the process shaft 4, the coupler 5, the guide rail 6, the sliding plate 7, the sliding block 8, the horizontal adjusting component 9, the side jacking block 91, the adjusting bolt 92 and the boss 93; a vertical adjustment member 10, a height adjustment plate 101, an adjustment screw 102; the rotor comprises a rotor 100, a stator 200, a base 201, a left end cover 300 and a right end cover 400.
Detailed Description
Referring to fig. 1-7a, 7b, the present invention is illustrated in a device for assembling and disassembling a rotor of a permanent magnet motor, which is used for assembling and disassembling the rotor of the permanent magnet motor. It includes: two support frames 1, support frame two 2 that are used for fixed rotor, support frame 1, support frame two 2 relatively fixed establish on platform 3, and the one end of the pivot of rotor 100 is fixed on support frame 1, and it still includes a technology axle 4, and technology axle 4 is the hollow shaft preferably, and it can lighten weight, and the one end of technology axle 4 is fixed in on support frame two 2, be equipped with on support frame two 2 promptly be used for with the hole of technology axle tip adaptation, the free end of rotor 100 and the free end of technology axle 4 link together through shaft coupling 5, and the structure of shaft coupling 5 is: one end of the rotor shaft is in a smooth cylindrical shape, the other end of the rotor shaft is provided with an external thread, the middle of the rotor shaft is provided with a shaft shoulder, the threaded end is connected with a central threaded hole at the free end of the rotating shaft of the rotor 100, the other end of the rotor shaft is inserted into a central hole of the process shaft 4, and the rotor 100 and the process shaft 4 are connected into a whole through a coupler 5; two guide rails 6 are arranged on the platform 3, and are parallel to the center line of the rotor 100 and symmetrically arranged relative to the horizontal projection of the center line of the rotor 100, and referring to fig. 6a and 6b, a sliding plate 7 for arranging the stator 200 is connected with the guide rails 6 through four sliding blocks 8, namely, the four sliding blocks 8 are slidably arranged on the guide rails 6, the upper surfaces of the sliding blocks 8 are connected with rectangular sliding plates 7 through screws, the sliding plates 7 are used for arranging the stator 200, and the rotor 100 and the process shaft 4 pass through the center of the stator 200 during assembly.
Referring to fig. 6a and 6b, the first support frame 1 comprises a horizontal base 11 for fixedly connecting with the platform 3; a mounting plate 12 vertically arranged on the horizontal base 11, which is provided with a hole 13 for fixing the end of the rotating shaft of the rotor 100, wherein the hole 13 can be provided with a plurality of holes to be suitable for assembling rotors of different models; the mounting plate 12 is further provided with a screw hole 14 for temporarily suspending the stator cover 300, and the back surface (the surface opposite to the rotor) of the mounting plate 12 is provided with two reinforcing ribs 15 perpendicular to the horizontal base 11 and the mounting plate 12. The structure of the second support frame 2 is the same as that of the first support frame 1, and the vertical mounting plate is provided with holes connected with the process shaft, and the holes are arranged in one-to-one correspondence with the holes 13 on the first support frame 1.
Referring to fig. 2 and 5, in order to adjust the center line of the stator 200 mounted on the sliding plate 7 to be consistent with the center line of the rotor 100 in the horizontal direction and the vertical direction, a horizontal adjusting component 9 for adjusting the coaxiality of the center of the stator 200 and the center of the rotor 100 is arranged on the sliding plate 7, the horizontal adjusting component 9 comprises side top blocks 91 arranged on the sliding plate 7 and positioned at two sides of a base 201 of the stator 200, adjusting bolts 92 are arranged on the side top blocks 91, the adjusting bolts 92 are horizontally arranged in the direction perpendicular to the guide rail 6, the number of the side top blocks 91 is two, the two side top blocks 91 are respectively arranged at the outer end of the sliding plate 7 and positioned at two sides of the base 201 and used for transversely adjusting the horizontal positions of four feet. Preferably, referring to fig. 7a and 7b, the outer edge of the side top block 91 has a vertically downward extending boss 93 for engaging with the side surface of the slide plate 7 to reduce the shearing force of the side top block 91 to the fixing bolt during the pushing process. During adjustment, the adjusting bolt 92 is rotated to push the feet of the position to move horizontally, and the positions of the four feet are adjusted one by one, so that the stator 200 is consistent with the axis of the rotor 100 in the horizontal direction. It is understood that the side top block 91 may be a structure integrally formed at both sides of the slide 7.
Referring to fig. 2 and 5, a vertical adjustment member 10 for adjusting the coaxiality of the center line of the stator 200 and the center line of the rotor 100 is arranged on the sliding plate 7, the vertical adjustment member 10 includes four height adjustment plates 101 arranged between the base of the stator 200 and the sliding plate 7, and each height adjustment plate 101 is provided with four adjustment screws 102 for adjusting the height of the height adjustment plate 101. During adjustment, the feet of the base 201 of the stator 200 are arranged on the height-adjusting plate 101, and the height-adjusting plate 101 can be raised or lowered by rotating the four adjusting screws 102 of one of the height-adjusting plates 101, so that the center line of the stator 200 in the vertical direction can be adjusted to be consistent with the rotor.
When assembling the rotor, firstly, connecting the sliding plate 7 with the sliding block 8 on the guide rail 6, fixing the side top blocks 91 on two sides of the sliding plate 7, arranging the four height adjusting plates 101 at positions corresponding to the feet of the base 201 of the stator 200, and placing the stator 200 on the four height adjusting plates 101; secondly, temporarily fixing the left end cover 300 of the stator 200 on the screw hole 14 of the first support frame 1, temporarily fixing the right end cover 400 on the support frame 2, and inserting the shaft end part of the rotor 100 into the hole 13 of the first support frame 1; connecting the threaded end of the coupler 5 with the threaded central hole at the other end of the rotor 100, penetrating the process shaft 4 through the center of the stator 200, installing the process shaft on the second support frame 2 and inserting the process shaft into the coupler 5; thirdly, the centers of the rotor 100 and the stator 200 are adjusted to be consistent, and the position of the stator 200 in the horizontal direction is adjusted through the adjusting bolts 92 on the side top blocks 91 at the two sides of the sliding plate 7, so that the center of the stator 200 is coaxial with the rotor 100 in the horizontal square line; the height of four height adjusting plates 101 below the base 201 is adjusted, and the position of the stator 200 in the vertical direction is adjusted, so that the motor stator 200 is concentric with the rotor 100 in the vertical direction; fourthly, the sliding plate 7 is pushed to gradually insert the stator 200 outside the rotor 100, after the final position is reached, the left and right end covers 300 and 400 at both ends are loosened and fixed with the stator 200, the left and right end covers provide positioning for the rotor 100, and at this time, the process shaft 4 is removed to complete assembly. Adopt a device for assembly of permanent-magnet machine rotor and dismantlement, the process of demolising the process rotor is just in time opposite with the assembly rotor process.
The present invention is directed to an apparatus for assembling and disassembling a rotor of a permanent magnet motor, the above description is only illustrative, and not restrictive, and one of ordinary skill in the art understands that many modifications, variations, or equivalents may be made without departing from the spirit and scope of the present invention, such as adding a driving device for driving a slide plate to move, but all will fall within the scope of the present invention.
Claims (6)
1. A device for assembling and disassembling a permanent magnet motor rotor comprises two support frames for fixing the rotor, and is characterized in that the two support frames are oppositely and fixedly arranged on a platform, one end of the rotor is fixed on one support frame, one end of a process shaft is fixed on the other support frame, and the free end of the rotor is connected with the free end of the process shaft through a coupler; the guide rail parallel to the axial direction of the rotor is arranged on the platform, and a sliding plate for arranging the stator is connected with the guide rail through four sliding blocks.
2. The device for assembling and disassembling the rotor of the permanent magnet motor according to claim 1, wherein a horizontal adjusting component for adjusting the coaxiality of the center of the stator and the center of the rotor is arranged on the sliding plate, the horizontal adjusting component comprises side top blocks which are arranged on the sliding plate and positioned at two ends of a base of the stator, and adjusting screws are arranged on the side top blocks.
3. The apparatus for assembling and disassembling a rotor of a permanent magnet motor according to claim 2, wherein a vertical adjusting member for adjusting coaxiality of a stator center and a rotor center is provided on the sliding plate, the vertical adjusting member comprises four height adjusting plates provided between the stator base and the sliding plate, and the height adjusting plates are provided with four adjusting bolts for adjusting the height of the height adjusting plates.
4. The device for assembling and disassembling the rotor of the permanent magnet motor according to any one of claims 1 to 3, wherein the support frame comprises a horizontal base connected with the platform, a mounting plate vertically arranged on the horizontal base, a plurality of holes for inserting the end of the rotor or the process shaft are arranged on the mounting plate, and screw holes for temporarily hanging the end cover of the stator are arranged on the mounting plate.
5. The device for assembling and disassembling the rotor of the permanent magnet motor according to claim 4, wherein two reinforcing rib plates perpendicular to the horizontal base and the mounting plate are arranged on the back surface of the mounting plate.
6. Device for assembly and disassembly of a rotor of a permanent magnet machine according to any of claims 1-3, wherein the process shaft is a hollow shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020473703.7U CN211606343U (en) | 2020-04-02 | 2020-04-02 | Device for assembling and disassembling permanent magnet motor rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020473703.7U CN211606343U (en) | 2020-04-02 | 2020-04-02 | Device for assembling and disassembling permanent magnet motor rotor |
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| CN211606343U true CN211606343U (en) | 2020-09-29 |
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| CN202020473703.7U Active CN211606343U (en) | 2020-04-02 | 2020-04-02 | Device for assembling and disassembling permanent magnet motor rotor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112583214A (en) * | 2020-12-15 | 2021-03-30 | 广西玉柴机器股份有限公司 | Range extender rotor drawing tool |
| CN113472155A (en) * | 2021-07-14 | 2021-10-01 | 招商局重工(深圳)有限公司 | Device and method for horizontally disassembling and assembling stator and rotor of motor with rotatable gantry |
| CN114337149A (en) * | 2021-12-10 | 2022-04-12 | 安徽皖南新维电机有限公司 | Permanent magnet motor assembly bracket and operation method thereof |
| TWI802464B (en) * | 2022-07-08 | 2023-05-11 | 東元電機股份有限公司 | Horizontal assembly method for permanent magnet motor |
-
2020
- 2020-04-02 CN CN202020473703.7U patent/CN211606343U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112583214A (en) * | 2020-12-15 | 2021-03-30 | 广西玉柴机器股份有限公司 | Range extender rotor drawing tool |
| CN112583214B (en) * | 2020-12-15 | 2023-03-31 | 广西玉柴机器股份有限公司 | Range extender rotor drawing tool |
| CN113472155A (en) * | 2021-07-14 | 2021-10-01 | 招商局重工(深圳)有限公司 | Device and method for horizontally disassembling and assembling stator and rotor of motor with rotatable gantry |
| CN113472155B (en) * | 2021-07-14 | 2022-09-20 | 招商局重工(深圳)有限公司 | Device and method for horizontally disassembling and assembling stator and rotor of motor with rotatable gantry |
| CN114337149A (en) * | 2021-12-10 | 2022-04-12 | 安徽皖南新维电机有限公司 | Permanent magnet motor assembly bracket and operation method thereof |
| CN114337149B (en) * | 2021-12-10 | 2024-05-03 | 安徽皖南新维电机有限公司 | Permanent magnet motor assembly bracket and operation method thereof |
| TWI802464B (en) * | 2022-07-08 | 2023-05-11 | 東元電機股份有限公司 | Horizontal assembly method for permanent magnet motor |
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