CN112254963A - Miniature bearing test device - Google Patents
Miniature bearing test device Download PDFInfo
- Publication number
- CN112254963A CN112254963A CN202010967067.8A CN202010967067A CN112254963A CN 112254963 A CN112254963 A CN 112254963A CN 202010967067 A CN202010967067 A CN 202010967067A CN 112254963 A CN112254963 A CN 112254963A
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- China
- Prior art keywords
- test
- bearing
- servo motor
- outer box
- testing
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- 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.)
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- 238000012360 testing method Methods 0.000 title claims abstract description 116
- 238000009413 insulation Methods 0.000 claims abstract description 11
- 230000017525 heat dissipation Effects 0.000 claims description 6
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 238000013016 damping Methods 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 8
- 230000035939 shock Effects 0.000 description 11
- 230000009286 beneficial effect Effects 0.000 description 7
- 238000009434 installation Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
Abstract
The invention particularly relates to a microminiature bearing test device, which belongs to the technical field of bearing tests, and is characterized in that a drive servo motor is fixedly connected to the outer surface of a servo motor mounting rack, the driving servo motor can provide rotary power and drive the motor connector to rotate, so that the test shaft is nested on the front end surface of the motor connector to rotate, the test bearing is in clearance fit with the outer surface of the test shaft, the noise condition and the service life condition are detected by the test bearing in the rotating process, the heat insulation plate is arranged on the front surface of the servo motor mounting frame for effective heat insulation, through the test axle with the convenient quick harmless dismantlement of connection can be dismantled in test bearing clearance, effectively avoids changing the model of bearing because of the size that changes the part at every turn.
Description
Technical Field
The invention particularly relates to a miniature bearing test device, and belongs to the technical field of bearing tests.
Background
The miniature bearing is applied to the fields of automobiles, household appliances and the like as a bearing with a small size, the miniature bearing needs to perform corresponding tests on the performance of the bearing before assembly, so that corresponding test equipment is needed to perform the performance tests on the miniature bearing, but the existing miniature bearing test device needs to be improved when finding some defects in the use process, firstly, the existing miniature bearing is not convenient for performing convenient and quick nondestructive disassembly on a test shaft and the test bearing in the test process, and secondly, the situation that the test shaft cannot be quickly positioned and installed in the test of the miniature bearing is realized.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a miniature bearing testing device, which is convenient to disassemble rapidly without damage through the detachable connection of the testing shaft and the testing bearing clearance, and effectively avoids the problem that the model of the bearing is changed because the size of a part is changed every time, wherein the self-centering of the testing shaft can be effectively improved through the adoption of the taper hole positioning of the motor connector, and the rapid positioning and installation are further realized.
The invention provides a microminiature bearing test device, which comprises a device outer box body and a test workbench arranged on the device outer box body, wherein a test unit mounting frame is arranged on the upper surface of the test workbench, a plurality of test unit components are linearly arranged on the outer surface of the test unit mounting frame in an array manner, each test unit component comprises a driving servo motor, a servo motor mounting frame, a motor connector, a heat insulation plate, a hot air inlet, a test shaft, a test bearing, a multi-channel temperature tester, an industrial air heater, an L-shaped hot air heater fixing frame and a tool pressing sleeve, the driving servo motor is fixedly connected to the outer surface of the servo motor mounting frame, the motor connector is rotatably connected to the front surface of the servo motor mounting frame, the heat insulation plate is arranged on the front surface of the servo motor mounting frame, and the hot air inlet is formed in the lower end of the central, terminal surface nestification has before the motor connector experimental axle, the surface clearance fit of experimental axle has experimental bearing, multichannel temperature tester bolt fastening is in the below of air heater L type mount, and with industry air heater pipe connection, industry air heater fixed connection be in the top of air heater L type mount, experimental bearing upside surface is provided with the frock is pressed the cover, device outer box rear side internal surface is provided with experimental block terminal, the lower surface bolt fastening of experimental block terminal has the block terminal mounting bracket.
The beneficial effect who so sets up is: by adopting the scheme, the driving servo motor is fixedly connected to the outer surface of the servo motor mounting frame, the driving servo motor can provide rotary power and drive the motor connector to rotate through the driving servo motor, so that the test shaft is nested on the front end surface of the motor connector to rotate, the test bearing is in clearance fit with the outer surface of the test shaft, the noise condition and the service life condition are detected through the test bearing in the rotating process, the heat insulation plate is arranged on the front surface of the servo motor mounting frame to effectively insulate heat, the test shaft and the test bearing are detachably connected through the clearance, so that the test shaft can be conveniently and rapidly dismounted without damage, the problem that the size of a part is changed and the model of the bearing is changed every time is effectively avoided, and the self-centering of the test shaft can be effectively improved by adopting the taper hole positioning through the motor connector, and then the quick location installation.
The motor connector and the test shaft are locked through a thread pretightening force, and the test shaft is detachably connected with the test bearing gap.
The beneficial effect who so sets up is: by adopting the scheme, the test shaft can be detachably connected with the test bearing gap, so that the convenient, rapid and nondestructive detachment is realized, and the problem that the bearing is changed because the size of a part is changed every time is effectively avoided.
The invention is further provided with a test unit mounting rack arranged on the upper surface of the test workbench, the test workbench is made of alloy steel, and the lower surface of the test workbench is provided with a heat dissipation air box.
The beneficial effect who so sets up is: adopt above-mentioned scheme, through the test unit mounting bracket that test workbench's upper surface set up, just test workbench adopts alloy steel material to improve test workbench's the intensity of mechanical bearing, and pass through test workbench's lower surface is provided with the heat dissipation bellows and dispels the heat.
The invention is further provided with a shock absorption cushion pad below the device outer box body, and the shock absorption cushion pad is uniformly distributed at four corners below the device outer box body.
The beneficial effect who so sets up is: through the below of the outer box of device is provided with shock attenuation blotter, carries out the in-process to experimental detection through shock attenuation blotter and cushions vibrations, and through the even distribution of shock attenuation blotter is in the below four corners department of the outer box of device can be so that more even to the absorption of vibrations.
The invention is further characterized in that the front surface of the outer box body of the device is movably connected with an outer box dustproof sliding door in a pulling way, and the outer surface of the outer box dustproof sliding door is provided with a dustproof dense net.
The beneficial effect who so sets up is: by adopting the scheme, the front surface of the outer box body of the device is movably pulled to be connected with the outer box dustproof sliding door so as to facilitate the opening and closing of workers, and meanwhile, the dustproof sliding door of the outer box can be cooled while being dustproof due to the dustproof dense net arranged on the outer surface of the outer box dustproof sliding door.
The test distribution box is further arranged on the distribution box mounting frame on the inner surface of the rear side of the outer box body of the device, and the test distribution box is electrically connected with the driving servo motor.
The beneficial effect who so sets up is: by adopting the scheme, the inner surface of the rear side of the outer box body of the device is provided with the distribution box mounting frame, the test distribution box is electrically connected with the driving servo motor, and the driving servo motor can be effectively powered.
The invention is further provided that the front surface of the servo motor mounting rack is rotatably connected with the motor connector, and the motor connector is provided with a taper hole.
The beneficial effect who so sets up is: through motor connector adopts the taper hole location can effectively improve the self-centering of experimental axle, and then fixes a position the installation fast.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a half-sectional view of a test cell assembly of the present invention;
FIG. 4 is a schematic view of a test cell assembly of the present invention;
FIG. 5 is an internal view of a test cell assembly of the present invention;
FIG. 6 is an overall front view of the present invention;
FIG. 7 is an overall rear view of the present invention;
in the figure: 1. an apparatus outer case; 12. a test bench; 13. a test unit mounting frame; 3. a test cell assembly; 31. driving a servo motor; 311. a servo motor mounting rack; 32. a motor connector; 33. a heat insulation plate; 34. a hot air inlet; 35. a test shaft; 36. testing the bearing; 37. a multi-pass temperature tester; 38. an industrial air heater; 381. l-shaped fixing frames of the air heaters; 39. pressing a sleeve by a tool; 4. testing the distribution box; 41. a distribution box mounting frame; 5. a shock absorbing cushion; 6. an outer box dustproof sliding door; 7. a heat dissipation air box.
Detailed Description
As can be seen from FIGS. 1 to 7, the invention discloses a microminiature bearing testing device, a test workbench 12 is arranged on a device outer box body 1, a test unit mounting frame 13 is arranged on the upper surface of the test workbench 12, a plurality of test unit components 3 are linearly arranged on the outer surface of the test unit mounting frame 13 in an array manner, each test unit component 3 comprises a driving servo motor 31, a servo motor mounting frame 311, a motor connector 32, a heat insulation plate 33, a hot air inlet 34, a test shaft 35, a test bearing 36, a multi-channel temperature tester 37, an industrial hot air blower 38, a hot air blower L-shaped mounting frame 381 and a tool pressing sleeve 39, the driving servo motor 31 is fixedly connected on the outer surface of the servo motor mounting frame 311, the motor connector 32 is rotatably connected on the front surface of the servo motor mounting frame 311, the heat insulation plate 33 is arranged on the front surface of the servo motor mounting frame 311, the hot air inlet, the front end face of the motor connector 32 is nested with a test shaft 35, the outer surface of the test shaft 35 is in clearance fit with a test bearing 36, a multi-channel temperature tester 37 is fixed below the hot air blower L-shaped fixing frame 381 through bolts and is connected with an industrial hot air blower 38 through a pipeline, the industrial hot air blower 38 is fixedly connected above the hot air blower L-shaped fixing frame 381, a tool pressing sleeve 39 is arranged on the outer surface of the upper side of the test bearing 36, a test distribution box 4 is arranged on the inner surface of the rear side of the outer box body 1 of the device, a distribution box mounting frame 41 is fixed on the lower surface of the test distribution box 4 through bolts and is fixedly connected to the outer surface of the servo motor mounting frame 311 through a driving servo motor 31, rotary power can be provided through the driving servo motor 31, the motor connector 32 is driven to rotate through the driving servo motor 31, the test shaft 35 is nested on the, detect the noise condition and the life-span condition at the pivoted in-process through experimental bearing 36 to be provided with heat insulating board 33 through servo motor mounting bracket 311's front surface and carry out effectual thermal-insulated, through experimental axle 35 with the convenient quick harmless dismantlement of connection can be dismantled in experimental bearing 36 clearance, effectively avoids at every turn because the size that changes the part and then the model of changing the bearing, wherein adopts the taper hole location to effectively improve the self-centering of experimental axle through motor connector 32, and then quick location installation.
The test unit mounting bracket 13 that the upper surface of test table 12 set up, and test table 12 adopts alloy steel material to be provided with heat dissipation bellows 7 at test table 12's lower surface, through test unit mounting bracket 13 that test table 12's upper surface set up, and test table 12 adopts alloy steel material to improve the intensity of test table 12's mechanical bearing, and be provided with heat dissipation bellows 7 through test table 12's lower surface and dispel the heat.
The below of the outer box 1 of device is provided with shock attenuation blotter 5, and the even distribution of shock attenuation blotter 5 is provided with shock attenuation blotter 5 in the below four corners department of the outer box 1 of device, through the below of the outer box 1 of device, carries out buffering vibrations to the in-process that the experiment detected through shock attenuation blotter 5 to can make the absorption more even to vibrations in the below four corners department of the outer box 1 of device through the even distribution of shock attenuation blotter 5.
The front surface activity pulling of device outer box 1 is connected with the dustproof sliding door of outer container 6, and the surface of the dustproof sliding door of outer container 6 is provided with dustproof close net, and the front surface activity pulling through device outer box 1 is connected with the dustproof sliding door of outer container 6 and then makes things convenient for the staff to open and shut, and the surface through the dustproof sliding door of outer container 6 is provided with dustproof close net simultaneously and also can dispel the heat when carrying on dirt-proofly.
The experimental block terminal 4 and the drive servo motor 31 electric connection that the block terminal mounting bracket 41 of the internal surface of 1 rear side of device outer box set up, and the experimental block terminal 4 and the drive servo motor 31 electric connection that the block terminal mounting bracket 41 of the internal surface of 1 rear side of device outer box set up can be effectual supplies power to drive servo motor 31.
The front surface of servo motor mounting bracket 311 rotates and is connected with motor connector 32, just motor connector 32 has seted up the taper hole, through motor connector 32 adopts the taper hole location can effectively improve the centering certainly of experimental axle, and then fixes a position the installation fast.
The above-mentioned embodiments are only preferred embodiments of the present invention, and therefore, the scope of the present invention should not be limited by the above-mentioned embodiments, and therefore, equivalent changes, such as equivalent products using similar processes and similar structures, made by the claims of the present invention, are also included in the scope of the present invention.
Claims (7)
1. The utility model provides a microminiature bearing test device, includes device outer box and the test bench that sets up on the device outer box, the test unit mounting bracket that test bench's upper surface set up which characterized in that: the testing device is characterized in that a plurality of testing unit components are arranged on the outer surface of the testing unit mounting rack in a linear array mode, each testing unit component comprises a driving servo motor, a servo motor mounting rack, a motor connector, a heat insulation plate, a hot air inlet, a testing shaft, a testing bearing, a multi-channel temperature tester, an industrial air heater, an L-shaped hot air heater fixing rack and a tool pressing sleeve, the driving servo motor is fixedly connected to the outer surface of the servo motor mounting rack, the motor connector is rotatably connected to the front surface of the servo motor mounting rack, the heat insulation plate is arranged on the front surface of the servo motor mounting rack, the hot air inlet is formed in the lower end of the central line of the heat insulation plate, the testing shaft is nested on the front end face of the motor connector, the testing bearing is in clearance fit with the outer surface of the testing shaft, the multi-, and with industry air heater pipe connection, industry air heater fixed connection be in the top of air heater L type mount, experimental bearing upside surface is provided with the frock is pressed the cover, device outer box rear side internal surface is provided with experimental block terminal, the lower surface bolt fastening of experimental block terminal has the block terminal mounting bracket.
2. The miniature bearing testing apparatus of claim 1, wherein: the motor connector with the experimental axle passes through screw pretightning force locking, just the experimental axle with experimental bearing clearance can be dismantled and be connected.
3. The miniature bearing testing apparatus of claim 1, wherein: the test unit mounting bracket that the upper surface of test bench set up, just test bench adopts alloy steel material, and test bench's lower surface is provided with heat dissipation bellows.
4. The miniature bearing testing apparatus of claim 1, wherein: the device is characterized in that a damping cushion pad is arranged below the outer box body of the device, and the damping cushion pad is uniformly distributed at four corners below the outer box body of the device.
5. The miniature bearing testing apparatus of claim 1, wherein: the front surface of the outer box body of the device is movably connected with an outer box dustproof sliding door in a pulling mode, and a dustproof dense net is arranged on the outer surface of the outer box dustproof sliding door.
6. The miniature bearing testing apparatus of claim 1, wherein: the inner surface of the rear side of the outer box body of the device is provided with the distribution box mounting frame, and the test distribution box is electrically connected with the driving servo motor.
7. The miniature bearing testing apparatus of claim 1, wherein: the front surface of the servo motor mounting frame is rotatably connected with the motor connector, and the motor connector is provided with a taper hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010967067.8A CN112254963A (en) | 2020-09-15 | 2020-09-15 | Miniature bearing test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010967067.8A CN112254963A (en) | 2020-09-15 | 2020-09-15 | Miniature bearing test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112254963A true CN112254963A (en) | 2021-01-22 |
Family
ID=74232362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010967067.8A Pending CN112254963A (en) | 2020-09-15 | 2020-09-15 | Miniature bearing test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112254963A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102901628A (en) * | 2012-09-18 | 2013-01-30 | 上海摩士精密轴承制造有限公司 | High accuracy miniature bearing service life test device |
| CN103267641A (en) * | 2013-06-18 | 2013-08-28 | 青岛泰德汽车轴承有限责任公司 | Temperature-rise test device and method for sealed double-row angular contact ball bearings |
-
2020
- 2020-09-15 CN CN202010967067.8A patent/CN112254963A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102901628A (en) * | 2012-09-18 | 2013-01-30 | 上海摩士精密轴承制造有限公司 | High accuracy miniature bearing service life test device |
| CN103267641A (en) * | 2013-06-18 | 2013-08-28 | 青岛泰德汽车轴承有限责任公司 | Temperature-rise test device and method for sealed double-row angular contact ball bearings |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210122 |
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| RJ01 | Rejection of invention patent application after publication |