CN110912356B - Permanent magnet motor rotor installation system and installation method - Google Patents
Permanent magnet motor rotor installation system and installation method Download PDFInfo
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- CN110912356B CN110912356B CN201911257826.5A CN201911257826A CN110912356B CN 110912356 B CN110912356 B CN 110912356B CN 201911257826 A CN201911257826 A CN 201911257826A CN 110912356 B CN110912356 B CN 110912356B
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- 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
- H02K15/03—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
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Abstract
The invention provides a permanent magnet motor rotor installation system and an installation method. The installation method comprises the following steps: s1: placing the motor stator between the two adjusting brackets; s2: two connecting rods respectively penetrate through the two through holes, one connecting rod penetrates through the stator mounting cavity, and two ends of the permanent magnet rotor are respectively connected with one connecting rod; s3: the controller adjusts the position of the permanent magnet rotor according to the data sensed by the position sensor, so that the center line of the permanent magnet rotor is superposed with the center line of the stator mounting cavity; s4: the connecting rod drives the permanent magnet rotor to move along the central line of the permanent magnet rotor; s5: and stopping propelling the driving equipment after the permanent magnet rotor moves to the set position, and finishing the installation. The invention accurately controls the distance between the outside of the permanent magnet rotor and the inner wall of the stator mounting cavity, and prevents the permanent magnet rotor and the motor stator from being damaged due to collision.
Description
Technical Field
The invention relates to the technical field of permanent magnet motor rotor installation, in particular to a permanent magnet motor rotor installation system and an installation method.
Background
The permanent magnet motor has the advantages of high efficiency, high power density, small volume, light weight and the like. The high-speed permanent magnet motor has high rotor rotating speed, the permanent magnet attached to the surface of the rotor needs to bear huge centrifugal force, and in order to prevent the permanent magnet from breaking away, sliding, damaging and the like, a protective sleeve with certain thickness needs to be added on the surface of the permanent magnet. However, this further reduces the gap between the originally smaller stator and rotor of the high-speed permanent magnet motor, which leads to the rotor being easily rubbed against the stator when the rotor is inserted into the stator during installation, and the permanent magnet motor components are damaged.
Disclosure of Invention
In view of the above problems in the prior art, an object of the present invention is to provide a permanent magnet motor rotor installation system and an installation method, which accurately control the distance between the outside of the permanent magnet rotor and the inner wall of the stator installation cavity during and after installation, and prevent the permanent magnet rotor and the motor stator from being damaged by collision during and after installation.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a permanent-magnet machine rotor installing the system, includes the workstation and is located the motor stator of waiting to install permanent-magnet machine rotor on the workstation, a serial communication port, installing the system still includes two adjustment supports and two connecting rods, motor stator is located between two adjustment supports, two connecting rods are installed respectively on two adjustment supports, the one end detachable of a connecting rod connects permanent-magnet machine rotor's one end, the one end of another connecting rod passes motor stator's stator installation cavity back detachable and connects permanent-magnet machine rotor's the other end, two adjustment supports drive two connecting rods respectively and remove, drive permanent-magnet machine rotor and remove to the center of stator installation cavity.
As a further improvement of the above technical solution:
the adjusting support comprises a base, a first driving end, a limiting guide seat and a connecting end, the base is located on the workbench, the limiting guide seat is fixed on the base and comprises a cavity, one end of the first driving end is slidably arranged in the limiting guide seat, the other end of the first driving end upwards extends out of the limiting guide seat and then is connected with the connecting end, a through hole is formed in the connecting end in the horizontal direction, the connecting rod penetrates through the through hole, the first driving end is connected with two driving devices, the two driving devices drive the first driving end to move in the plane of the through hole, the two driving devices comprise a horizontal driving device and a vertical driving device, the vertical driving device drives the first driving end to linearly move in the direction perpendicular to the horizontal plane, and the horizontal driving device drives the first driving end to linearly move in the horizontal direction.
The adjusting support further comprises a second driving end, the second driving end penetrates through the connecting end and is arranged in a mode that the second driving end is perpendicular to the direction of the through hole in a sliding mode, driving teeth are arranged on the second driving end and are located at the bottom of the through hole and in contact with a connecting rod located in the through hole, external threads are arranged outside the connecting rod and are matched with the driving teeth, the second driving end is connected with a propelling driving device, and the propelling driving device is connected with and drives the second driving end to move in the direction perpendicular to the through hole.
The mounting system further comprises two conversion tools, and one ends of the conversion tools are detachably connected with one end of the permanent magnet rotor and one end of the connecting rod respectively.
The mounting system further comprises a controller and two position sensors, the two position sensors are located on the motor stator, the two position sensors are arranged such that sensing distances of the two position sensors are perpendicular to each other, the controller comprises a data acquisition module, a data processing module and an instruction output module, the two position sensors are electrically connected with the data acquisition module and transmit sensing data to the data acquisition module, the data processing module processes data obtained by the data acquisition module, the instruction output module is electrically connected with the propulsion driving device and the driving device and controls starting, stopping or moving directions of the propulsion driving device and the driving device according to processing results of the data processing module.
The two position sensors are a horizontal position sensor and a vertical position sensor, the straight lines of the sensing distance of the horizontal position sensor and the sensing distance of the vertical position sensor are located in the same plane, the plane is perpendicular to the through hole of the connecting end, the straight line of the sensing distance of the horizontal position sensor is parallel to the horizontal plane, and the straight line of the sensing distance of the vertical position sensor is perpendicular to the horizontal plane.
A permanent magnet motor rotor installation method is based on the installation system and comprises the following steps:
step S1: placing the motor stator between the two adjusting brackets to enable the stator mounting cavity of the motor stator to be parallel to the through hole of the connecting end;
step S2: respectively penetrating two connecting rods through holes of two connecting ends, penetrating one connecting rod through a stator mounting cavity of a motor stator, placing a permanent magnet rotor to be mounted between the two connecting rods, and respectively connecting two ends of the permanent magnet rotor with one end of one connecting rod;
step S3: starting the two position sensors and the controller, and adjusting the position of the permanent magnet rotor by the controller according to data sensed by the two position sensors to enable the center line of the permanent magnet rotor to be superposed with the center line of the stator mounting cavity of the motor stator;
step S4: starting the two propulsion driving devices to drive the connecting rod to drive the permanent magnet rotor to move along the central line of the permanent magnet rotor;
step S5: and the permanent magnet rotor stops propelling the driving equipment after moving to the set position of the stator mounting cavity of the motor stator, bearings and sealing devices are mounted at two ends of the permanent magnet rotor, the conversion tool and the connecting rod at two ends of the permanent magnet rotor are detached, and the mounting is completed.
In step S2, after the two connecting rods pass through the through holes of the two connecting ends, the opposite ends of the two connecting rods are connected to a conversion tool respectively, the permanent magnet rotor to be installed is placed between the two conversion tools, and the two ends of the permanent magnet rotor are connected to a conversion tool respectively.
In step S3, when the controller determines that the distance sensed by the level sensor is greater than the set value, the controller controls the horizontal driving device to drive the first driving end to move horizontally, so that the connecting rod moves closer to the level sensor until the distance sensed by the level sensor is equal to the set value.
In step S4, after the two pushing driving devices are activated, the pushing driving devices drive the second driving end to move, and the driving teeth of the second driving end engage and drive the connecting rod to rotate and move along the through hole of the connecting end.
Compared with the prior art, the invention has the beneficial effects that: through the position of the permanent magnet rotor is firstly adjusted outside the motor stator by the installation system, the central line of the permanent magnet rotor is coincided with the central line of the stator installation cavity, and then the permanent magnet rotor is pushed into the stator installation cavity, so that the distance between the outside of the permanent magnet rotor and the inner wall of the stator installation cavity in the installation process and after installation is accurately controlled, the damage caused by the collision of the permanent magnet rotor and the motor stator in the installation process and after installation is prevented, and the installation system is simple in structure, reliable in operation, convenient and fast to operate and low in cost.
Drawings
FIG. 1 is a schematic structural diagram of one embodiment of the present invention;
fig. 2 is a schematic view of an adjusting bracket according to an embodiment of the present invention.
Detailed Description
The following provides a more detailed and complete description of a permanent magnet motor rotor mounting system and a mounting method according to the present invention. The following examples are illustrative only and are not to be construed as limiting the invention.
A permanent magnet motor rotor installation system is shown in figure 1 and comprises a workbench 1 and a motor stator 4 which is positioned on the workbench 1 and is to be provided with a permanent magnet rotor 5, wherein the workbench 1 is horizontally arranged, and the permanent magnet rotor 5 is installed in a stator installation cavity in the middle of the motor stator 4 in an installation purpose.
The mounting system further comprises two adjusting supports 2, two connecting rods 3 and two conversion tools 6, the motor stator 4 is located between the two adjusting supports 2, the two connecting rods 3 are respectively mounted on the two adjusting supports 2, and the length directions of the connecting rods 3 are parallel to the stator mounting cavity. One end of one connecting rod 3 is detachably connected with one end of the permanent magnet rotor 5, one end of the other connecting rod 3 is detachably connected with the other end of the permanent magnet rotor 5 after penetrating through the stator installation cavity of the motor stator 4, the two adjusting supports 2 drive the two connecting rods 3 to move respectively, the permanent magnet rotor 5 is driven to move to the center of the stator installation cavity, and installation is completed.
The adjusting bracket 2 is used for supporting the connecting rod 3 and driving the connecting rod 3 to move in three mutually perpendicular directions of a three-dimensional space, so that the permanent magnet rotor 5 is driven to synchronously move, and the position adjustment of the permanent magnet rotor 5 during installation is realized. Adjusting bracket 2 is as shown in fig. 2, including base 21, first drive end, spacing guide holder 24, second drive end 23 and link 25, base 21 is located workstation 1, spacing guide holder 24 is fixed on base 21, spacing guide holder 24 includes a cavity, first drive end one end is slided and is located in spacing guide holder 24, the other end upwards stretches out spacing guide holder 24 after and is connected with link 25, be equipped with a through-hole along the horizontal direction on the link 25, connecting rod 3 passes the through-hole, the direction of through-hole is the length direction of connecting rod 3 promptly, two through-holes and the stator installation cavity of two links 25 are parallel.
The first driving end is connected with two driving devices, the two driving devices drive the first driving end to move in a plane perpendicular to the through hole, the two driving devices comprise a horizontal driving device and a vertical driving device, the vertical driving device drives the first driving end to move linearly in a direction perpendicular to a horizontal plane, and the horizontal driving device drives the first driving end to move linearly in the horizontal direction.
The second driving end 23 penetrates through the connecting end 25 and is arranged in a manner of being capable of sliding in the direction perpendicular to the through hole, driving teeth are arranged on the second driving end 23 and are located at the bottom of the through hole and in contact with the connecting rod 3 in the through hole, external threads are arranged outside the connecting rod 3 and are matched with the driving teeth, the second driving end 23 is connected with a propelling driving device, and the propelling driving device is connected with and drives the second driving end 23 to move in the direction perpendicular to the through hole and drive the connecting rod 3 to move in the direction perpendicular to the through hole.
The both ends of conversion frock 6 can dismantle the one end of connecting permanent magnet rotor 5 and the one end of connecting rod 3 respectively. The conversion tool 6 is a connecting part for connecting the permanent magnet rotor 5 and the connecting rod 3.
The mounting system further comprises a controller 7 and two position sensors 8, the two position sensors 8 are located on the motor stator 4, and the position sensors 8 are distance sensors and used for sensing the distance between the connecting rod 3 or the permanent magnet rotor 5 and the position sensors 8.
The two position sensors 8 are arranged such that the sensing distances thereof are perpendicular to each other, and are respectively a horizontal position sensor and a vertical position sensor, the straight lines of the sensing distances of the horizontal position sensor and the vertical position sensor are located in the same plane, the plane is perpendicular to the through hole of the connecting end 25, the straight line of the sensing distance of the horizontal position sensor is parallel to the horizontal plane, the straight line of the sensing distance of the vertical position sensor is perpendicular to the horizontal plane, the straight line of the sensing distance of the horizontal position sensor and the sensing distance of the vertical position sensor intersect at one point, and the intersection point is located on the central line of the stator mounting cavity.
The controller 7 comprises a data acquisition module, a data processing module and an instruction output module, the two position sensors 8 are electrically connected with the data acquisition module and transmit induction data to the data acquisition module, the data processing module processes the data obtained by the data acquisition module, and the instruction output module is electrically connected with the propulsion driving device and the driving device and controls the starting, stopping or moving directions of the propulsion driving device and the driving device according to the processing result of the data processing module.
As can be seen from the above, the mounting system comprises in total two propulsion drives, two horizontal drives and two vertical drives.
The permanent magnet motor rotor installation method based on the installation system comprises the following steps:
step S1: the motor stator 4 is arranged between the two adjusting brackets 2, so that the stator mounting cavity of the motor stator 4 is parallel to the through hole of the connecting end 25.
Preferably, the initial position is set so that the center lines of the through holes of the two connecting ends 25 coincide and are located in the horizontal plane, so that the two horizontal driving devices, the two vertical driving devices and the two propulsion driving devices can be driven to synchronously operate.
Step S2: the two connecting rods 3 respectively penetrate through holes of the two connecting ends 25, one connecting rod 3 penetrates through a stator mounting cavity of the motor stator 4, the permanent magnet rotor 5 to be mounted is arranged between the two connecting rods 3, and two ends of the permanent magnet rotor 5 are respectively connected with one end of the connecting rod 3.
In this step, after the two connecting rods 3 pass through the through holes of the two connecting ends 25, the opposite ends of the two connecting rods 3 are connected with a conversion tool 6 respectively, the permanent magnet rotor 5 to be installed is placed between the two conversion tools 6, and the two ends of the permanent magnet rotor 5 are connected with one conversion tool 6 respectively. At this time, the central lines of the two connecting rods 3 are overlapped with the central line of the permanent magnet rotor 5 and are parallel to the central line of the stator mounting cavity, but the central lines of the permanent magnet rotor 5 and the stator mounting cavity are not necessarily overlapped and are not overlapped approximately, and the permanent magnet rotor 5 cannot be directly pushed into the stator mounting cavity. Due to the space limitation of the stator installation cavity in the motor stator 4, the position of the permanent magnet rotor 5 needs to be adjusted outside the motor stator 4, so that the center line of the permanent magnet rotor 5 is overlapped with the center line of the stator installation cavity, and then the permanent magnet rotor 5 is pushed into the stator installation cavity. Preferably, the permanent magnet rotor 5 is suspended between the two connecting rods 3 by a crane.
Step S3: and starting the two position sensors 8 and the controller 7, and adjusting the position of the permanent magnet rotor 5 by the controller 7 according to data sensed by the two position sensors 8 to enable the central line of the permanent magnet rotor 5 to be superposed with the central line of the stator mounting cavity of the motor stator 4.
In this step, when the controller 7 judges that the distance sensed by the horizontal sensor is greater than the set value, the controller 7 controls the horizontal driving device to drive the first driving end to move horizontally, so that the connecting rod 3 moves close to the horizontal sensor until the distance sensed by the horizontal sensor is equal to the set value; when the controller 7 judges that the distance sensed by the horizontal sensor is smaller than the set value, the controller 7 controls the horizontal driving device to drive the first driving end to move horizontally, so that the connecting rod 3 is far away from the movement of the horizontal sensor until the distance sensed by the horizontal sensor is equal to the set value. Similarly, the controller 7 controls the movement of the vertical driving device in the same manner, and is not described herein again. In the step, the connecting rod 3 is positioned in the stator mounting cavity, and the distance sensed by the position sensor 8 is the distance between the connecting rod 3 and the position sensor 8.
The mounting positions of the two position sensors 8 on the motor stator 4 are adjusted before mounting.
Step S4: and starting the two propulsion driving devices to drive the connecting rod 3 to drive the permanent magnet rotor 5 to move along the central line of the permanent magnet rotor 5.
In this step, after the two pushing driving devices are started, the pushing driving devices drive the second driving end 23 to move, and the driving teeth of the second driving end 23 are matched and drive the connecting rod 3 to rotate and move along the through hole of the connecting end 25.
After the permanent magnet rotor 5 is pushed into the stator mounting cavity, the distance sensed by the position sensor 8 is the distance between the permanent magnet rotor 5 and the position sensor 8.
Step S5: and after the permanent magnet rotor 5 moves to a set position of a stator mounting cavity of the motor stator 4, the propulsion driving device stops, bearings and sealing devices are mounted at two ends of the permanent magnet rotor 5, the conversion tools 6 at two ends of the permanent magnet rotor 5 and the connecting rods 3 are detached, and the mounting is completed.
In the step, the bearing and the seal are screwed into the bearing seat 9, the connecting rod 3 and the switching tool 6 are separated from the permanent magnet rotor 5, and the motor can be sent to a subsequent assembly process.
Finally, it must be said here that: the above embodiments are only used for further detailed description of the technical solutions of the present invention, and should not be understood as limiting the scope of the present invention, and the insubstantial modifications and adaptations made by those skilled in the art according to the above descriptions of the present invention are within the scope of the present invention.
Claims (9)
1. A permanent magnet motor rotor installation system comprises a workbench (1) and a motor stator (4) which is positioned on the workbench (1) and is used for installing a permanent magnet rotor (5), and is characterized by further comprising two adjusting supports (2) and two connecting rods (3), wherein the motor stator (4) is positioned between the two adjusting supports (2), the two connecting rods (3) are respectively installed on the two adjusting supports (2), one end of one connecting rod (3) is detachably connected with one end of the permanent magnet rotor (5), one end of the other connecting rod (3) penetrates through a stator installation cavity of the motor stator (4) and is detachably connected with the other end of the permanent magnet rotor (5), the two adjusting supports (2) respectively drive the two connecting rods (3) to move, and the permanent magnet rotor (5) is driven to move to the center of the stator installation cavity;
the adjusting support (2) comprises a base (21), a first driving end, a second driving end (23), a limiting guide seat (24) and a connecting end (25), the base (21) is located on the workbench (1), the limiting guide seat (24) is fixed on the base (21), the limiting guide seat (24) comprises a cavity, one end of the first driving end is slidably arranged in the limiting guide seat (24), the other end of the first driving end extends upwards out of the limiting guide seat (24) and then is connected with the connecting end (25), a through hole is formed in the connecting end (25) in the horizontal direction, the connecting rod (3) penetrates through the through hole, the first driving end is connected with two driving devices, and the two driving devices drive the first driving end to move in a plane perpendicular to the through hole;
the second driving end (23) penetrates through the connecting end (25) and is arranged in a manner of being perpendicular to the through hole in a slidable mode, driving teeth are arranged on the second driving end (23) and are located at the bottom of the through hole and in contact with the connecting rod (3) in the through hole, external threads are arranged outside the connecting rod (3) and are matched with the driving teeth, the second driving end (23) is connected with a propelling driving device, and the propelling driving device is connected with and drives the second driving end (23) to move in a direction perpendicular to the through hole.
2. The permanent magnet motor rotor mounting system of claim 1, wherein: the two driving devices include a horizontal driving device and a vertical driving device, the vertical driving device drives the first driving end to move linearly in a direction perpendicular to a horizontal plane, and the horizontal driving device drives the first driving end to move linearly in a horizontal direction.
3. The permanent magnet motor rotor mounting system of claim 1, wherein: the mounting system further comprises two conversion tools (6), and two ends of each conversion tool (6) are detachably connected with one end of the permanent magnet rotor (5) and one end of the connecting rod (3) respectively.
4. The permanent magnet motor rotor mounting system of claim 1, wherein: the mounting system further comprises a controller (7) and two position sensors (8), the two position sensors (8) are located on the motor stator (4), the two position sensors (8) are arranged to enable sensing distances of the two position sensors to be perpendicular to each other, the controller (7) comprises a data acquisition module, a data processing module and an instruction output module, the two position sensors (8) are electrically connected with the data acquisition module and transmit sensing data to the data acquisition module, the data processing module processes the data obtained by the data acquisition module, the instruction output module is electrically connected with the propulsion driving device and the driving device, and the propulsion driving device and the driving device are controlled to start, stop or move according to a processing result of the data processing module.
5. The permanent magnet motor rotor mounting system of claim 4, wherein: the two position sensors (8) are horizontal position sensors and vertical position sensors, the straight lines of the sensing distances of the horizontal position sensors and the sensing distances of the vertical position sensors are located in the same plane, the plane is perpendicular to the through holes of the connecting ends (25), the straight lines of the sensing distances of the horizontal position sensors are parallel to the horizontal plane, and the straight lines of the sensing distances of the vertical position sensors are perpendicular to the horizontal plane.
6. A permanent magnet motor rotor installation method is based on the installation system of any one of the claims 1 to 5, and is characterized by comprising the following steps:
step S1: the motor stator (4) is arranged between the two adjusting brackets (2), so that a stator mounting cavity of the motor stator (4) is parallel to the through hole of the connecting end (25);
step S2: the two connecting rods (3) respectively penetrate through the through holes of the two connecting ends (25), one connecting rod (3) penetrates through a stator mounting cavity of the motor stator (4), the permanent magnet rotor (5) to be mounted is placed between the two connecting rods (3), and the two ends of the permanent magnet rotor (5) are respectively connected with one end of one connecting rod (3);
step S3: the two position sensors (8) and the controller (7) are started, the controller (7) adjusts the position of the permanent magnet rotor (5) according to data sensed by the two position sensors (8), and the central line of the permanent magnet rotor (5) is overlapped with the central line of a stator mounting cavity of the motor stator (4);
step S4: starting the two propulsion driving devices, and driving the connecting rod (3) to drive the permanent magnet rotor (5) to move along the central line of the permanent magnet rotor (5);
step S5: the permanent magnet rotor (5) moves to a set position of a stator installation cavity of the motor stator (4) and then stops propelling the driving device, bearings and sealing devices are installed at two ends of the permanent magnet rotor (5), the conversion tools (6) and the connecting rods (3) at two ends of the permanent magnet rotor (5) are detached, and installation is completed.
7. The permanent magnet motor rotor mounting method of claim 6, wherein: in the step S2, after the two connecting rods (3) pass through the through holes of the two connecting ends (25), the opposite ends of the two connecting rods (3) are connected to a conversion tool (6), the permanent magnet rotor (5) to be installed is placed between the two conversion tools (6), and the two ends of the permanent magnet rotor (5) are connected to one conversion tool (6) respectively.
8. The permanent magnet motor rotor mounting method of claim 6, wherein: in step S3, when the controller (7) determines that the distance sensed by the level sensor is greater than the set value, the controller (7) controls the horizontal driving device to drive the first driving end to move horizontally, so that the connecting rod (3) moves closer to the level sensor until the distance sensed by the level sensor is equal to the set value.
9. The permanent magnet motor rotor mounting method of claim 6, wherein: in step S4, after the two pushing driving devices are started, the pushing driving devices drive the second driving end (23) to move, and the driving teeth of the second driving end (23) are engaged with and drive the connecting rod (3) to rotate and move along the through hole of the connecting end (25).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911257826.5A CN110912356B (en) | 2019-12-10 | 2019-12-10 | Permanent magnet motor rotor installation system and installation method |
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| CN201911257826.5A CN110912356B (en) | 2019-12-10 | 2019-12-10 | Permanent magnet motor rotor installation system and installation method |
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| CN110912356B true CN110912356B (en) | 2021-06-25 |
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| CN114039464B (en) * | 2021-11-15 | 2024-07-02 | 湖南联诚轨道装备有限公司 | Permanent magnet motor rotor mounting device |
| CN114337160B (en) * | 2021-12-24 | 2023-08-22 | 国网河南省电力公司超高压公司 | Auxiliary tool for mounting rotor of camera and application method thereof |
| CN114552912B (en) * | 2022-03-10 | 2023-09-22 | 安徽皖新电机有限公司 | Permanent magnet motor convenient for rotor installation and installation method |
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| JP5331049B2 (en) * | 2010-04-16 | 2013-10-30 | 株式会社日立製作所 | Rotor insertion device and insertion method for rotating electrical machine |
| JP2012039732A (en) * | 2010-08-06 | 2012-02-23 | Mitsubishi Electric Corp | Motor and assembly method of the same |
| CN103219835B (en) * | 2013-04-24 | 2015-05-20 | 大连德欣新技术工程有限公司 | Stator and rotor of motor in combined mode |
| CN204794602U (en) * | 2015-07-08 | 2015-11-18 | 安徽明腾永磁机电设备有限公司 | Permanent -magnet machine positioning frock |
| CN205141938U (en) * | 2015-11-02 | 2016-04-06 | 泉州市华德机电设备有限公司 | Permanent magnet motor assembly machine |
| CN205945441U (en) * | 2016-08-26 | 2017-02-08 | 中车株洲电机有限公司 | Electric motor rotor handling system |
| CN109256918A (en) * | 2018-11-05 | 2019-01-22 | 荆楚理工学院 | A kind of assembly device of permanent-magnetic synchronous motor stator and rotor |
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