CN219810823U - High-speed rotor testing device - Google Patents
High-speed rotor testing device Download PDFInfo
- Publication number
- CN219810823U CN219810823U CN202321228714.9U CN202321228714U CN219810823U CN 219810823 U CN219810823 U CN 219810823U CN 202321228714 U CN202321228714 U CN 202321228714U CN 219810823 U CN219810823 U CN 219810823U
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- China
- Prior art keywords
- fixedly connected
- baffle
- speed rotor
- magnet
- testing device
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- 238000012360 testing method Methods 0.000 title claims abstract description 48
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 238000009413 insulation Methods 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000013461 design Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 238000013102 re-test Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Abstract
The utility model discloses a high-speed rotor testing device, which relates to the field of testing devices and comprises a working platform, wherein a baffle is fixedly connected to the working platform, two round holes are formed in the working platform, a driving motor is fixedly connected to one side of the baffle, a driving wheel is fixedly connected to one side of the driving motor, which penetrates through the baffle, a driven wheel is arranged on one side of the driving wheel, the driven wheel is rotatably connected to the baffle, and a transmission belt is arranged between the driving wheel and the outer ring of the driven wheel. The utility model can adopt other motors to drive, the motor is started and then drives the rotor to rotate through the transmission belt, the motor is supported through the double bearings, then the infrared heating lamp on the testing device, the plurality of sensors and the magnet are used for simulating working conditions, and the principle that the large wheel drives the small wheel is used for accelerating the rotor, so that the dynamic strength of the magnet of the motor rotor of more than 10 ten thousand is tested.
Description
Technical Field
The utility model relates to the field of testing devices, in particular to a high-speed rotor testing device.
Background
The high-speed motor with bonding neodymium iron boron magnet in the present market has all exceeded 10 ten thousand rotations, and part of the requirement reaches 20 ten thousand rotations, in order to detect whether the magnet of producing reaches customer's service condition, need carry out high-speed simulation experiment to the magnet, at present on the market, permanent magnet dynamic strength detects the current situation on the rotor of high-speed motor: the method has the following defects that a real motor is used, a magnet is installed in the motor, the motor driver is used for changing current and voltage to realize self-driving, and the testing mode has the following defects:
1. each magnet test must have a set of matched shell device and driving device, the cost is high, the interchangeability is low, and the operation is complex;
2. the test magnet can be performed only after the design experiment of the shell and the driver system is completed, and the time is long;
3. the magnet strength test and other element tests of the motor are mixed together, and the real reason of breakage is not easy to confirm after breakage.
Therefore, it is necessary to invent a high-speed rotor testing device to solve the above problems.
Disclosure of Invention
The present utility model is directed to a high-speed rotor testing device, which solves the problems set forth in the above-mentioned background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the high-speed rotor testing device comprises a working platform, wherein a baffle is fixedly connected to the working platform, and two round holes are formed in the top of the working platform;
the top fixedly connected with baffle of work platform, one side fixedly connected with driving motor of baffle, driving motor inside fixedly connected with action wheel, one side of action wheel is provided with from the driving wheel, from the driving wheel to be fixed on the baffle, the action wheel has driving belt with the outer lane department from the driving wheel.
Preferably, the working platform is fixedly connected with a heat insulation shield, and the heat insulation shield is fixedly connected with a speed detection sensor.
Preferably, one side of the heat insulation shield is fixedly connected with an infrared heating lamp, and the other side of the heat insulation shield is fixedly connected with a temperature detection sensor.
Preferably, the middle of the transmission belt is provided with a high-speed rotor body, an anti-falling stop block is arranged above the high-speed rotor body and fixedly connected to the baffle, one end of the high-speed rotor body is connected to the baffle, and the other end of the high-speed rotor body penetrates through the inside of the heat insulation shield.
Preferably, the driving motor is fixed on the baffle, a bearing bracket is fixedly connected on the baffle, two rotor support bearings are fixedly connected on one side, close to the heat insulation shield, of the bearing bracket, and the two rotor support bearings are fixedly connected on the baffle.
Preferably, the high-speed rotor body is fixedly connected with a multipolar permanent magnet penetrating through the inside of the heat insulation shield, and a magnet is arranged at the center of the multipolar permanent magnet.
Preferably, the magnet is fixedly connected with a balancing weight, one side of the magnet, which is far away from the high-speed rotor body, is fixedly connected with a rotating shaft, and two ends of the rotating shaft are fixed on the bearing support.
The utility model has the technical effects and advantages that:
1. the utility model uses a flat belt accelerating structure, and a driving motor with 0-6 ten thousand rpm can drive a rotor to 10-30 ten thousand rpm;
2. the utility model uses a double-bearing rotor supporting structure, reduces the requirement on the bearing rotation speed, and is applicable to magnets with different diameters;
3. the heat shield is used for isolating the magnet, so that the heat of the high-temperature magnet is prevented from being scattered to the bearing and the belt, and the bearing and the belt are damaged;
4. the oil-gas lubrication device is used for lubricating key positions by oil-gas, friction is reduced, and heat dissipation is carried out on the bearing part.
Drawings
FIG. 1 is a schematic diagram of a testing apparatus according to the present utility model.
Fig. 2 is a schematic diagram of a rotor structure of the magnet of the present utility model.
FIG. 3 is a schematic top view of the testing apparatus of the present utility model.
FIG. 4 is a cross-sectional view of a test apparatus according to the present utility model.
Fig. 5 is a schematic view of a bearing support rotor of the present utility model.
In the figure: 1. a driving motor; 2. a drive belt; 3. a driving wheel; 4. an infrared heating lamp; 5. a high-speed rotor body; 6. driven wheel; 7. a speed detection sensor; 8. a temperature detection sensor; 9. a heat shield; 10. a rotor support bearing; 11. a bearing support; 12. a working platform; 13. a magnet; 14. multipolar permanent magnets; 15. balancing weight; 16. a rotating shaft; 17. an anti-falling stop block.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a high-speed rotor testing device as shown in figures 1-5, the temperature of the structure can reach 200 ℃ when being well done, the speed can reach 20 ten thousand revolutions per minute at maximum, and the normal dynamic strength measurement of a magnet 13 is carried out according to the following procedures: design and manufacture of a test machine shell, design and manufacture of a driver, design and manufacture of a rotor and a bearing, design and assembly of a test motor, assembly and molding of a test magnet 13, passing or failing of the test magnet, and re-testing.
The utility model provides a high-speed rotor testing arrangement, including work platform 12, fixedly connected with baffle on the work platform 12, two round holes have been seted up on the work platform 12, fixedly connected with baffle on the work platform 12, one side fixedly connected with driving motor 1 of baffle, driving motor 1 runs through in the inside fixedly connected with action wheel 3 of baffle, one side of action wheel 3 is provided with from driving wheel 6, from driving wheel 6 rotation connection on the baffle, action wheel 3 is equipped with driving belt 2 with the outer lane department cover from driving wheel 6, driving belt 2's centre department is provided with high-speed rotor body 5, high-speed rotor body 5's top is provided with anti-disengaging dog 17, anti-disengaging dog 17 fixedly connected on the baffle, high-speed rotor body 5's one end rotation is connected on the baffle.
The utility model adopts a mode of simulating a motor to measure the dynamic strength of the magnet 13, and drives the rotor to rotate at high speed through other motors instead of a self-driving mode, so that devices such as a driving system, a test machine shell and the like are not required to be changed again when the test magnet 13 is replaced.
The heat-insulating shield 9 is fixedly connected to the working platform 12, the other end of the high-speed rotor body 5 penetrates through the inside of the heat-insulating shield 9, the speed detection sensor 7 is fixedly connected to the top of the heat-insulating shield 9, the infrared heating lamp 4 is fixedly connected to one side of the heat-insulating shield 9, and the temperature detection sensor 8 is fixedly connected to the other side of the heat-insulating shield 9.
The driving motor 1 is fixed on a baffle, a bearing bracket 11 is fixedly connected on the baffle, the bearing bracket 11 is fixedly connected with two rotor support bearings 10, and the two rotor support bearings 10 support the high-speed rotor body 5.
According to the utility model, the dynamic strength of the magnet 13 is measured in a motor-simulating manner, and the rotor is supported in a multi-bearing supporting manner, instead of an inner and outer ring supporting manner of a common bearing, so that the requirement on bearing speed can be reduced, and the motor-driven rotor is applicable to rotors with different diameters.
The high-speed rotor body 5 outer ring is fixedly connected with multipolar permanent magnet 14, the inside of multipolar permanent magnet 14 has magnet 13, fixedly connected with balancing weight 15 on the magnet 13, one side fixedly connected with axis of rotation 16 of high-speed rotor body 5, axis of rotation 16 rotates on bearing bracket 11.
The utility model adopts a mode of simulating a motor to measure the dynamic strength of the magnet 13, and simulates the high temperature and magnetic field environment of the motor through an external heating device and a magnetic field device, so that the utility model is more stable and easier to control than the common motor testing environment.
In summary, the utility model can adopt other motors to drive, the motor is started and then drives the high-speed rotor to rotate through the transmission belt 2, the motor is supported through the double bearings, the heating device on the testing device, the plurality of sensors and the magnet 13 are used for simulating working conditions, the large wheel drives the small wheel to accelerate the high-speed rotor, and the dynamic strength of the magnet 13 of the motor with the rotating speed of more than 10 ten thousand is tested according to the method.
Working principle: the dynamic strength measurement of the magnet 13 is performed as follows:
firstly preparing a magnet 13 sample, then assembling a shaft, putting the shaft into test equipment after assembling, setting test conditions after the shaft is mounted to a test device, starting test on the magnet 13 sample after the test conditions are set, and when the test sample is unqualified, carrying out test again.
Firstly, a magnet 13 and a rotating shaft 16 to be tested are assembled, a balancing weight 15 and a multipolar permanent magnet 14 are configured, the high-speed rotor body 5 is formed, then the high-speed rotor body 5 is installed on a rotor supporting bearing 10, the multipolar permanent magnet 14 is installed at a corresponding position, equipment is opened for test operation, an infrared heating lamp 4, a speed detection sensor 7, a temperature detection sensor 8 and a heat insulation shield 9 are installed on the equipment after stability is ensured, test operation test is carried out, after each sensor is determined to operate normally, after speed parameters and temperature parameters are set according to test requirements, the equipment is formally started for long-time test, and intermittent test can also be carried out.
Claims (7)
1. A high-speed rotor testing device comprising a working platform (12), characterized in that: a baffle is fixedly connected to the working platform (12), and two round holes are formed in the working platform (12);
the automatic feeding device is characterized in that a baffle is fixedly connected to the working platform (12), a driving motor (1) is fixedly connected to one side of the baffle, a driving wheel (3) is fixedly connected to the driving motor (1) in a penetrating mode through the baffle, a driven wheel (6) is arranged on one side of the driving wheel (3), the driven wheel (6) is connected to the baffle, and a transmission belt (2) is arranged between the driving wheel (3) and the outer ring of the driven wheel (6).
2. A high speed rotor testing device according to claim 1, wherein: the working platform (12) is fixedly connected with a heat insulation shield (9), and the top of the heat insulation shield (9) is fixedly connected with a speed detection sensor (7).
3. A high speed rotor testing device according to claim 2, wherein: one side of the heat insulation shield (9) is fixedly connected with an infrared heating lamp (4), and the other side of the heat insulation shield (9) is fixedly connected with a temperature detection sensor (8).
4. A high speed rotor testing device according to claim 1, wherein: the middle of driving belt (2) is provided with high-speed rotor body (5), the top of high-speed rotor body (5) is provided with anti-disengaging dog (17), anti-disengaging dog (17) fixed connection is on the baffle, the one end of high-speed rotor body (5) rotates to be connected on the baffle, and the other end of high-speed rotor body (5) runs through in the inside of thermal-insulated guard shield (9).
5. A high speed rotor testing device according to claim 1, wherein: the driving motor (1) is fixed on the baffle, a bearing bracket (11) is fixedly connected to the baffle, two rotor support bearings (10) are fixedly connected to one side, close to the heat insulation shield (9), of the bearing bracket (11), and the two rotor support bearings (10) are fixedly connected to the baffle.
6. A high speed rotor testing device according to claim 4, wherein: the high-speed rotor body (5) penetrates through the heat insulation shield (9), a multipolar permanent magnet (14) is fixedly connected to the inside of the heat insulation shield, and a magnet (13) is arranged at the center of the multipolar permanent magnet (14).
7. A high speed rotor testing device according to claim 6, wherein: the high-speed rotor is characterized in that a balancing weight (15) is fixedly connected to the magnet (13), a rotating shaft (16) is fixedly connected to one side, away from the high-speed rotor body (5), of the magnet (13), and two ends of the rotating shaft (16) are fixedly arranged on the bearing support (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321228714.9U CN219810823U (en) | 2023-05-22 | 2023-05-22 | High-speed rotor testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321228714.9U CN219810823U (en) | 2023-05-22 | 2023-05-22 | High-speed rotor testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219810823U true CN219810823U (en) | 2023-10-10 |
Family
ID=88213432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321228714.9U Active CN219810823U (en) | 2023-05-22 | 2023-05-22 | High-speed rotor testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219810823U (en) |
-
2023
- 2023-05-22 CN CN202321228714.9U patent/CN219810823U/en active Active
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