CN215449518U - Testing device for motor of refrigeration compressor - Google Patents
Testing device for motor of refrigeration compressor Download PDFInfo
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- CN215449518U CN215449518U CN202122246605.7U CN202122246605U CN215449518U CN 215449518 U CN215449518 U CN 215449518U CN 202122246605 U CN202122246605 U CN 202122246605U CN 215449518 U CN215449518 U CN 215449518U
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- magnetic suspension
- suspension bearing
- bearing seat
- axial magnetic
- radial magnetic
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Abstract
The utility model relates to a testing device of a motor for a refrigeration compressor, which comprises a testing tool, an axial magnetic suspension bearing set, a radial magnetic suspension bearing seat and an auxiliary bearing seat, wherein the testing tool comprises a long cylindrical part of a plastic cylindrical body and short cylindrical parts of metal fixed cylindrical bodies fixedly connected to two shaft ends of the long cylindrical part respectively, the testing tool is connected with the axial magnetic suspension bearing set at one end, the axial magnetic suspension bearing set and the short cylindrical parts are fixedly connected with an inner axial magnetic suspension bearing, one side of the inner axial magnetic suspension bearing far away from the testing tool is fixedly connected with an outer axial magnetic suspension bearing, a groove is arranged between contact surfaces of the inner walls of the outer axial magnetic suspension bearing and the inner axial magnetic suspension bearing, two ends of a cylindrical part consisting of the testing tool, the outer axial magnetic suspension bearing and the inner axial magnetic suspension bearing are respectively connected with the radial magnetic suspension bearing seat, and the radial magnetic suspension bearing is clamped in the radial magnetic suspension bearing seat, and one sides of the two radial magnetic suspension bearing seats, which are far away from each other, are respectively connected with an auxiliary bearing seat.
Description
Technical Field
The utility model relates to the field of motors, in particular to a testing device for a motor for a refrigeration compressor.
Background
All countries in the world pay great attention to energy consumption indexes of products such as refrigerators, air conditioners and the like, and the requirements are more and more strict. For this purpose, the motor must be selected precisely, and this relies on accurately measuring the motor performance: torque, speed and output power at idle, locked rotor and various load points.
Common features of the products of these industries: the motor has no independent parts such as a shell, a shaft, a bearing, an end cover and the like, is integrated with a main machine of the motor, shares the parts such as the shell, the shaft, the bearing, the end cover and the like, and only a stator and a rotor are purchased from a motor factory instead of purchasing a complete common motor during production. The actual structure of the machine is changed by detecting the complete ordinary motor and additionally matching parts such as a shell, a shaft, a bearing, an end cover and the like, the intermediate links and manual operation of the machine are excessive, the fluctuation of the factors is very large, serious errors are generated, the errors cause that the motor cannot be accurately selected and matched, and if the torque, the rotating speed and the output power are small, the function of the product cannot meet the requirements; if the torque, speed and output power are large, the energy consumption does not meet the standard or is at competitive disadvantage. Due to improper operation of the main link of testing, the important index of product energy consumption of many enterprises becomes soft ribs, and the product grade is directly lower.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides the testing device for the motor of the refrigeration compressor, which is simple in structure and stable in testing.
In order to achieve the above purpose, the testing device of the motor for the refrigeration compressor comprises a testing tool, an axial magnetic suspension bearing set, a radial magnetic suspension bearing seat and an auxiliary bearing seat, wherein the testing tool comprises a long cylindrical part of a plastic cylindrical body and short cylindrical parts of metal fixing cylindrical bodies fixedly connected to two shaft ends of the long cylindrical part respectively, the short cylindrical parts are sleeved and fixed on an outer ring of the long cylindrical part, the testing tool is connected with the axial magnetic suspension bearing set on one end, the axial magnetic suspension bearing set of the axial magnetic suspension bearing consists of an inner axial magnetic suspension bearing and an outer axial magnetic suspension bearing, the inner axial magnetic suspension bearing is fixedly connected with the outer side of one end of the short cylindrical part, one side of the inner axial magnetic suspension bearing, which is far away from the testing tool, is fixedly connected with the outer axial magnetic suspension bearing, and a groove is arranged between contact surfaces of the inner walls of the outer axial magnetic suspension bearing and the inner axial magnetic suspension bearing, in the test fixture, two ends of a cylindrical part consisting of an outer axial magnetic bearing and an inner axial magnetic bearing are respectively connected with a radial magnetic bearing seat, a radial magnetic bearing seat A is connected with the outer axial magnetic bearing, a radial magnetic bearing seat B is directly connected with the test fixture, the radial magnetic bearing seat is internally clamped with a radial magnetic bearing, the radial magnetic bearing seat A is internally clamped with a radial magnetic bearing A, the radial magnetic bearing seat B is internally clamped with a radial magnetic bearing B, one side of each of the two radial magnetic bearing seats, which is far away from each other, is respectively connected with an auxiliary bearing seat A, and the radial magnetic bearing seat B is connected with an auxiliary bearing seat A. The structure has the characteristics of convenience in installation and simplicity, the rotor is directly assembled into the test tool, the rotor only needs to be tested and installed, and the difficulty of test assembly is reduced.
The further proposal is that the radial magnetic suspension bearing seat A and the outside axial magnetic suspension bearing and the radial magnetic suspension bearing seat B and the short cylinder piece are fixed by adopting threaded connection and pins.
The further proposal is that the outer edge of one side of the radial magnetic suspension bearing seat far away from the test fixture is provided with a horizontal sinking shoulder. The design purpose of this kind of structure is in order to make testing arrangement can rather than the support frame cooperation work of adaptation, and the support frame supports on the horizontal heavy shoulder of testing arrangement, thereby makes testing arrangement can not direct contact ground thereby reduce the influence that produces the test.
The testing device of the motor for the refrigeration compressor directly combines the stator into the testing device, so that the testing can be finished only by testing the rotor, the testing difficulty is reduced, and the assembling difficulty is also reduced; the cooperation of the horizontal shoulder and the support frame makes the testing device obtain a more stable testing environment, and the combined structure is convenient to install and has a simple structure.
Drawings
FIG. 1 is a schematic structural view of example 1.
1-testing tool, 2-axial magnetic suspension bearing set, 3-radial magnetic suspension bearing, 4-radial magnetic suspension bearing seat, 5-auxiliary bearing seat, 6-long cylindrical part, 7-short cylindrical part, 8-inner side axial magnetic suspension bearing,
9-outer axial magnetic suspension bearing, 10-groove, 11-radial magnetic suspension bearing seat A, 12-radial magnetic suspension bearing seat B, 13-radial magnetic suspension bearing A, 14-radial magnetic suspension bearing B, 15-auxiliary bearing seat A,
16-auxiliary bearing seat B, 17-horizontal sinking shoulder
Detailed Description
To further illustrate the technical means and effects of the present invention for achieving the intended purpose of the utility model, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
Example 1:
as shown in fig. 1, the testing device of the motor for the refrigeration compressor described in this embodiment includes a testing tool 1, an axial magnetic bearing set 2, a radial magnetic bearing seat and an auxiliary bearing seat, where the testing tool 1 includes a long cylindrical member 6 of a plastic cylindrical body and short cylindrical members 7 of metal fixing cylindrical bodies fixedly connected to two axial ends of the plastic cylindrical member, respectively, the short cylindrical members 7 are fixedly sleeved on an outer ring of the long cylindrical member 6, the testing tool 1 is connected with the axial magnetic bearing set 2 at one end, the axial magnetic bearing set 2 is composed of an inner axial magnetic bearing 8 and an outer axial magnetic bearing 9, the inner axial magnetic bearing 8 is fixedly connected to an outer side of one end of the short cylindrical member 7, an outer axial magnetic bearing 9 is fixedly connected to a side of the inner axial magnetic bearing 8 away from the testing tool 1, a groove 10 is provided between contact surfaces of inner walls of the outer axial magnetic bearing 9 and the inner axial magnetic bearing 8, in the test fixture 1, two ends of a cylindrical part consisting of an outer axial magnetic suspension bearing 9 and an inner axial magnetic suspension bearing 8 are respectively connected with a radial magnetic suspension bearing seat, the radial magnetic suspension bearing seat is A11 connected with the outer axial magnetic suspension bearing 9, the radial magnetic suspension bearing seat is B12 directly connected with the test fixture 1, the radial magnetic suspension bearing seat is internally clamped with a radial magnetic suspension bearing, the radial magnetic suspension bearing seat A11 is internally clamped with a radial magnetic suspension bearing A13, the radial magnetic suspension bearing seat B12 is internally clamped with a radial magnetic suspension bearing B14, one side of each of the two radial magnetic suspension bearing seats, which is far away from each other, is respectively connected with an auxiliary bearing seat A15, and the radial magnetic suspension bearing seat B12 is connected with an auxiliary bearing seat B16.
The radial magnetic suspension bearing seat A11 and the outer axial magnetic suspension bearing 9 and the radial magnetic suspension bearing seat B12 and the short cylinder piece 7 are connected by screw threads and fixed by pins; and a horizontal sinking shoulder 17 is arranged on the outer edge of one side of the radial magnetic suspension bearing seat far away from the test tool 1.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (3)
1. A testing device of a motor for a refrigeration compressor comprises a testing tool (1), an axial magnetic suspension bearing set (2), a radial magnetic suspension bearing seat and an auxiliary bearing seat, and is characterized in that the testing tool (1) comprises a long cylinder part (6) of a plastic cylinder body and short cylinder parts (7) of metal fixing cylinder bodies fixedly connected to two shaft ends of the plastic cylinder body respectively, the short cylinder parts (7) are sleeved and fixed on an outer ring of the long cylinder part (6), the testing tool (1) is connected with the axial magnetic suspension bearing set (2) at one end, the axial magnetic suspension bearing set (2) consists of an inner axial magnetic suspension bearing (8) and an outer axial magnetic suspension bearing (9), the inner axial magnetic suspension bearing (8) is fixedly connected with the outer side of one end of the short cylinder part (7), and the outer axial magnetic suspension bearing (9) is fixedly connected to one side of the inner axial magnetic suspension bearing (8) far away from the testing tool (1), a groove (10) is arranged between the contact surfaces of the inner walls of the outer axial magnetic suspension bearing (9) and the inner axial magnetic suspension bearing (8); two ends of a cylindrical part consisting of the test tool (1), the outer axial magnetic suspension bearing (9) and the inner axial magnetic suspension bearing (8) are respectively connected with a radial magnetic suspension bearing seat, a radial magnetic suspension bearing seat A (11) is connected with the outer axial magnetic suspension bearing (9), the radial magnetic suspension bearing seat B (12) is directly connected with the testing tool (1), a radial magnetic suspension bearing is clamped in the radial magnetic suspension bearing seat, wherein, a radial magnetic bearing A (13) is clamped in the radial magnetic bearing seat A (11), a radial magnetic bearing B (14) is clamped in the radial magnetic bearing seat B (12), and one sides of the two radial magnetic suspension bearing seats, which are far away from each other, are respectively connected with an auxiliary bearing seat, an auxiliary bearing seat A (15) is connected on the radial magnetic suspension bearing seat A (11), and an auxiliary bearing seat B (16) is connected on the radial magnetic suspension bearing seat B (12).
2. The testing device of the motor for the refrigeration compressor, according to claim 1, is characterized in that the radial magnetic suspension bearing seat A (11) and the outer axial magnetic suspension bearing (9) and the radial magnetic suspension bearing seat B (12) and the short cylindrical member (7) are fixed by adopting threaded connection and pins.
3. The testing device of the motor for the refrigeration compressor, as recited in claim 1, characterized in that the radial magnetic suspension bearing seat is provided with a horizontal sinking shoulder (17) on the outer edge of the side far away from the testing tool (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122246605.7U CN215449518U (en) | 2021-09-16 | 2021-09-16 | Testing device for motor of refrigeration compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122246605.7U CN215449518U (en) | 2021-09-16 | 2021-09-16 | Testing device for motor of refrigeration compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215449518U true CN215449518U (en) | 2022-01-07 |
Family
ID=79699715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122246605.7U Active CN215449518U (en) | 2021-09-16 | 2021-09-16 | Testing device for motor of refrigeration compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215449518U (en) |
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2021
- 2021-09-16 CN CN202122246605.7U patent/CN215449518U/en active Active
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