CN217879543U - Motor stator testing device of Stirling refrigerator - Google Patents
Motor stator testing device of Stirling refrigerator Download PDFInfo
- Publication number
- CN217879543U CN217879543U CN202221064636.9U CN202221064636U CN217879543U CN 217879543 U CN217879543 U CN 217879543U CN 202221064636 U CN202221064636 U CN 202221064636U CN 217879543 U CN217879543 U CN 217879543U
- Authority
- CN
- China
- Prior art keywords
- rotor
- bearing
- mounting
- groove
- motor stator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model belongs to the technical field of test and measurement, more specifically relates to a motor stator testing arrangement of stirling refrigerator, including the test machine casing, the test machine casing includes relative rotor installation end and the rotor output that sets up, respectively is provided with installation end screens groove and output screens groove at rotor installation end and rotor output, is used for fixed mounting end bearing and output bearing respectively; a rotor is arranged between the mounting end bearing and the output end bearing; the rotor output end is covered by an end cover, a bearing cover mounting groove is formed in the end cover, and a bearing cover is arranged in the bearing cover mounting groove. The device fully considers the problems of axial movement and eccentricity of the motor stator of the refrigerating machine during testing through the design of the shell of the testing machine, designs the structures of the rotor mounting end and the rotor output end, effectively solves the problem of large movement eccentricity of the rotor during testing, and improves the accuracy of the performance test of the motor stator of the Stirling refrigerating machine.
Description
Technical Field
The utility model belongs to the technical field of the test with measure, in particular to stirling refrigerator's motor stator testing arrangement.
Background
The performance of the motor stator of the Stirling refrigerator directly influences the refrigerating capacity and the refrigerating time of the Stirling refrigerator, so that the performance detection of the Stirling refrigerator stator before the Stirling refrigerator is installed and used is very important. The Stirling refrigerator stator detection needs a specially-made tool assembly, and a good Stirling refrigerator stator detection tool assembly can truly measure the performance parameters of the stator when being installed in a motor test system, so that the defect refrigerator stator is effectively prevented from being used on the Stirling refrigerator.
The performance test fixture of the motor stator of the existing Stirling refrigerator installs the whole refrigerator stator to be tested in the test fixture, and due to the rotation of the rotor during testing, if no effective fixed design exists, the motion of the rotor can generate a large eccentricity, and the reliability of a test result is reduced.
Patent document No. CN213843337U discloses a motor detection tool, which includes a stator jacket, a rotor shaft, a support seat, a stator dismounting member, an output shaft and a base plate. The stator jacket is integrally of a hollow circular ring structure and is divided into a fixed end and a clamping end, and the circular ring sections of the fixed end and the clamping end are fixedly connected into a whole; the fixed end is of an integral ring structure, and threaded holes are formed in the circumferential direction of the ring and used for fixedly mounting the stator jacket on the supporting seat; the clamping end is of an open circular ring structure, a radial groove is formed in the opening of the circular ring, a screw connecting structure is arranged in the groove, and a step is arranged on the inner wall of the circular ring of the clamping end; the motor stator is arranged at the clamping end of the stator jacket, is positioned by the step of the clamping end and is clamped by the screw connecting structure. This structure does not solve the problem that the movement of the rotor causes a large eccentricity.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a motor stator testing arrangement of stirling refrigerator fully considers refrigerator motor stator axial float and eccentric problem when testing, through the design of test machine casing and the structural design of rotor installation end and rotor output end, the great problem of motion eccentricity of rotor when effectively having solved the test has improved stirling refrigerator motor stator performance test's accuracy.
The purpose of the utility model is realized through the following technical scheme:
a motor stator testing device of a Stirling refrigerator based on a motor stator testing device of the Stirling refrigerator comprises a testing machine shell, wherein the testing machine shell comprises a rotor mounting end and a rotor output end which are arranged oppositely, and a mounting end clamping groove and an output end clamping groove are respectively arranged at the rotor mounting end and the rotor output end and are respectively used for fixing a mounting end bearing and an output end bearing; a rotor is arranged between the mounting end bearing and the output end bearing; the rotor output end is covered by an end cover, a bearing cover mounting groove is formed in the end cover, and a bearing cover is arranged in the bearing cover mounting groove.
The testing device is combined with the motor stator structure, the rotor is positioned in the testing device through the rotor mounting end and the rotor output end of the motor shell, and the mounting end clamping groove and the output end clamping groove are designed for assembling the mounting end bearing and the output end, so that the effective operation of the rotor during testing is ensured; meanwhile, in order to prevent the movement eccentricity, a bearing cover installation groove is formed in the end cover to limit the axial movement of the bearing.
Furthermore, a stator clamping groove is also arranged in the tester shell; the bearing cover mounting groove, the mounting end clamping groove, the output end clamping groove and the stator clamping groove are coaxial annular through holes. The design effectively ensures the reliability of the motor stator testing device, so that the rotor is stably placed, and the eccentricity is not easy to occur during testing.
Further, the bearing cover is detachably connected with the bearing cover mounting groove; the bearing cover comprises an annular cover body and a clamping ring extending along the axial direction of the rotor; the structural design improves the installation reliability of the bearing cover.
Furthermore, the outer diameter of the clamping ring is abutted against the inner diameter of the clamping groove of the mounting end.
Furthermore, the end part of the clamping ring is abutted against an output end bearing in the output end clamping groove.
Further, the rotor is a shaft body arranged in a segmented mode, and a permanent magnet clamping groove is formed in the middle of the shaft body. The permanent magnet clamping groove and the stator clamping groove are oppositely arranged.
Further, the rotor mounting end is also provided with a mounting end bearing positioning groove.
Further, a C-shaped clamp spring is installed in the bearing positioning groove at the installation end so as to limit axial movement of the bearing. The movement eccentricity of the rotor is reduced to the minimum by utilizing the combined action of the C-shaped clamp spring and the bearing cover, and the accuracy of the performance test of the Stirling refrigerator motor stator is improved.
Further, a C-shaped notch is formed in the circumferential direction of the testing machine shell. The design can observe the running condition of the motor during testing from the outside, and can discharge the heat of the motor during testing in time.
Furthermore, a stator outlet is arranged on one side of the clamping groove of the mounting end.
Compared with the prior art, the utility model following beneficial effect has:
the motor stator testing device of the Stirling refrigerator of the utility model combines the testing device with the motor stator structure, positions the rotor in the testing device through the rotor mounting end and the rotor output end of the motor shell, and designs the mounting end clamping groove and the output end clamping groove for assembling the mounting end bearing and the output end; the effective operation of rotor when having guaranteed the test, simultaneously in order to prevent to move off-centre, with being provided with the bearing cap mounting groove on the end cover to inject bearing axial float.
The utility model discloses a stirling refrigerator's motor stator testing arrangement utilizes C type jump ring and bearing cap combined action to fall to minimumly with the motion eccentricity of rotor, has improved stirling refrigerator motor stator capability test's accuracy. The unstable factor of the refrigerating machine in the testing process is avoided, the testing reliability of the Stirling refrigerating machine is ensured, and the popularization and the application are facilitated.
Drawings
Fig. 1 is a schematic sectional structure view of a testing device for a motor stator of a stirling cryocooler according to the present invention.
Fig. 2 is a schematic view of the whole structure of the testing device for the motor stator of the stirling cryocooler of the present invention.
Fig. 3 is a schematic structural diagram of an end cover of a motor stator testing device of a stirling cryocooler according to the present invention.
The testing device comprises a testing machine shell, 21-an installation end clamping groove, 22-an installation end bearing, 23-an installation end bearing positioning groove, 24-a permanent magnet clamping groove, 31-an output end clamping groove, 32-an output end bearing, 4-an end cover, 41-a bearing cover installation groove, 42-a bearing cover, 421-an annular cover body, 422-a clamping ring, 51-a stator clamping groove, a 6-C-type clamp spring, a 7-C-type notch and an 8-stator outlet.
Detailed Description
The following specific examples further illustrate the present invention in detail. Unless otherwise indicated, the various starting materials used in the examples of the present invention may be obtained from conventional commercial sources or prepared according to conventional methods in the art, and the equipment used is equipment commonly used for experiments. Unless otherwise defined or stated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
The utility model discloses a stirling refrigerator's motor stator testing arrangement wholly is a cylindrical barrel structure, and the design of this kind of structure fully considers the structure of the motor stator that awaits measuring. Specifically, the testing machine comprises a testing machine shell 1, wherein two ends of the testing machine shell 1 are a rotor mounting end and a rotor output end, a mounting end clamping groove 21 and an output end clamping groove 31 are respectively arranged at the rotor mounting end and the rotor output end and are used for fixedly mounting an end bearing 22 and an output end bearing 32, and a rotor is mounted between the mounting end bearing 22 and the output end bearing 32. The bearing is mounted on the rotor shaft shoulder.
A stator clamping groove 51 is arranged in the test casing 1; the output end of the rotor is covered by an end cover 4, and the refrigerator to be tested is arranged in the testing device. The end cover 4 is provided with a hole structure for the rotor to pass through.
The motor stator testing device in this embodiment further includes a bearing cap 42, and the bearing cap 42 is disposed at the end of the output end of the rotor in cooperation with the bearing cap mounting groove 41. The bearing cover 42 includes an annular cover 421 and a retaining ring 422 extending along the axial direction of the rotor. The bearing cap 42 is fitted into the bearing cap fitting groove 41 provided on the end cap 4 to define the axial play of the bearing. In order to improve the mounting reliability of the bearing cap 42, the bearing cap 42 is assembled to the bearing cap mounting groove 41 by screwing.
The bearing cover mounting groove 41, the mounting end clamping groove 21, the output end clamping groove 31 and the stator clamping groove 51 are all coaxial annular through hole structures. The design effectively ensures the reliability of the motor stator testing device, so that the rotor is placed stably, and the eccentric condition is not easy to occur during testing.
And, one side of the mounting end catching groove 21 is provided with a stator outlet 8.
To increase the reliability of the assembly, the outer diameter of the detent ring 422 is disposed in abutment with the inner diameter of the bearing-cover mounting groove 41. When mounted, the end of the detent ring 422 abuts the end face of the output end bearing 32 in the output end detent groove 41.
The rotor mounting end of the embodiment is further provided with a mounting end bearing positioning groove 23, which fully considers the problems of axial float and eccentricity of the stator of the motor of the refrigerator during testing. A C-shaped clamp spring 6 is arranged in a bearing positioning groove 23 at the mounting end of the bearing positioning groove to limit the axial movement of the bearing.
Meanwhile, a C-shaped notch 7 is arranged along the circumferential direction of the testing machine shell. The design can observe the running condition of the motor during testing from the outside, and can discharge the heat of the motor during testing in time.
The utility model discloses a stirling refrigerator's motor stator testing arrangement's rotor is the axis body that the segmentation set up, and the axis body middle part is provided with permanent magnet draw-in groove 24, and permanent magnet draw-in groove 24 sets up with stator screens groove 51 relatively. When the test machine is installed, the permanent magnet is installed at the permanent magnet clamping groove 24, the shaft body is placed in the test machine shell 1, the rotor installation end is placed in the installation end bearing 22, and the other end is placed in the output end bearing 32.
The motor stator testing device of the Stirling refrigerator is characterized in that a bearing cover 42 is fixed before the testing device is used, an end cover 4 is opened before the testing, a Stirling refrigerator stator is installed in a testing machine shell 1 along the direction of a rotor, a stator wire harness is led out from a stator wire outlet 8, then the end cover 4 is covered, and fastening screws are fastened. And finally, the assembled motor stator testing device is connected to a motor testing platform to perform performance testing on the motor stator of the Stirling refrigerator.
The utility model discloses a stirling refrigerator's motor stator testing arrangement utilizes C type jump ring 6 and bearing cap 42 combined action to fall to minimum with the motion eccentricity of rotor, has improved stirling refrigerator motor stator capability test's accuracy. The unstable factor of the refrigerating machine in the testing process is avoided, the testing reliability of the Stirling refrigerating machine is ensured, and the popularization and the application are facilitated.
It should be understood that the above-mentioned embodiments are only examples for clearly illustrating the technical solutions of the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A motor stator testing device of a Stirling refrigerator comprises a testing machine shell (1) and is characterized in that the testing machine shell (1) comprises a rotor mounting end and a rotor output end which are arranged oppositely, and a mounting end clamping groove (21) and an output end clamping groove (31) are respectively arranged at the rotor mounting end and the rotor output end and are respectively used for fixedly mounting an end bearing (22) and an output end bearing (32); a rotor is arranged between the mounting end bearing (22) and the output end bearing (32);
the rotor output end is covered by an end cover (4), a bearing cover mounting groove (41) is formed in the end cover (4), and a bearing cover (42) is arranged in the bearing cover mounting groove (41).
2. A stirling cooler motor stator testing arrangement according to claim 1, wherein a stator detent groove (51) is provided in the tester housing (1); the bearing cover mounting groove (41), the mounting end clamping groove (21), the output end clamping groove (31) and the stator clamping groove (51) are all coaxial annular through hole structures.
3. A motor stator testing device of a stirling cooler according to claim 2, wherein the bearing cap (42) is detachably attached to the bearing cap mounting groove (41); the bearing cover (42) comprises an annular cover body (421) and a clamping ring (422) extending along the axial direction of the rotor.
4. A stirling cooler electric machine stator test apparatus according to claim 3, wherein the outer diameter of the capture ring (422) abuts against the inner diameter of the mounting end capture groove (21).
5. A Stirling cooler motor stator testing arrangement according to claim 4, wherein the end of the capture ring (422) abuts an output end bearing (32) in an output end capture slot (31).
6. A Stirling refrigerator motor stator testing device according to any one of claims 2 to 5, wherein the rotor is a segmented shaft body, a permanent magnet clamping groove (24) is formed in the middle of the shaft body, and the permanent magnet clamping groove (24) is opposite to the stator clamping groove (51).
7. A Stirling cooler motor stator testing arrangement according to claim 6, wherein the mounting end of the rotor is further provided with a mounting end bearing locating groove (23).
8. A Stirling cooler motor stator testing device according to claim 7, wherein a C-shaped clamp spring (6) is mounted in the mounting end bearing positioning groove (23).
9. A Stirling cooler motor stator testing device according to claim 7, wherein a C-shaped notch (7) is provided along the circumference of the tester housing (1).
10. A stirling cooler electric machine stator test apparatus according to claim 9, wherein one side of the mounting end catch groove (21) is provided with a stator outlet (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221064636.9U CN217879543U (en) | 2022-05-06 | 2022-05-06 | Motor stator testing device of Stirling refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221064636.9U CN217879543U (en) | 2022-05-06 | 2022-05-06 | Motor stator testing device of Stirling refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217879543U true CN217879543U (en) | 2022-11-22 |
Family
ID=84088924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221064636.9U Active CN217879543U (en) | 2022-05-06 | 2022-05-06 | Motor stator testing device of Stirling refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217879543U (en) |
-
2022
- 2022-05-06 CN CN202221064636.9U patent/CN217879543U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR910012540A (en) | Scroll compressor and its assembly method | |
| US20040178793A1 (en) | Axially-sealed NMR sample tube assemblies | |
| CN217879543U (en) | Motor stator testing device of Stirling refrigerator | |
| CN220231827U (en) | Positioning mechanism and testing device for testing bearingless motor | |
| CN102953994A (en) | Double-cylinder rolling rotor type compressor pump body and pump body assembly method | |
| CN218062701U (en) | Mechanical seal operation test device of centrifugal pump | |
| CN215816767U (en) | Anti-rotation current collecting ring structure of automobile generator | |
| SK11822000A3 (en) | Hermetically encapsulated compressor | |
| CN214952154U (en) | External rotor electric machine testing arrangement | |
| CN211180307U (en) | Photoelectric combined micro slip ring | |
| CN209016906U (en) | A kind of blower double-rotor machine | |
| CN208059259U (en) | Castor mounting assembly and the apparatus of air conditioning | |
| CN221173610U (en) | Wireless vibration sensor | |
| CN116952428B (en) | High-precision high-performance torque sensor and application method thereof | |
| CN216622657U (en) | Magnetoresistive sensor mounting structure | |
| CN108988600A (en) | A kind of cramped construction suitable for high-precision force torque motor | |
| CN218675234U (en) | Rotation test device for linear induction motor | |
| CN218847632U (en) | Transmission shaft fault detection device | |
| CN217032945U (en) | Testing device for testing spiral sealing force | |
| CN220039737U (en) | Leak detection equipment for rotary target end | |
| CN220705971U (en) | Axial force measuring device of multistage centrifugal pump | |
| CN111771060A (en) | Scroll compressor and method for assembling scroll compressor | |
| CN211819882U (en) | Screw rod is test machine for air compressor | |
| CN215832758U (en) | Probe part for humidity analyzer | |
| CN220302216U (en) | Signal panel with multistage anti-rotation structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |