CN114371003A - Equipment for measuring friction torque of needle bearing - Google Patents
Equipment for measuring friction torque of needle bearing Download PDFInfo
- Publication number
- CN114371003A CN114371003A CN202111615375.5A CN202111615375A CN114371003A CN 114371003 A CN114371003 A CN 114371003A CN 202111615375 A CN202111615375 A CN 202111615375A CN 114371003 A CN114371003 A CN 114371003A
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- China
- Prior art keywords
- spindle
- motor
- needle bearing
- air
- friction force
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- Pending
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- 238000002474 experimental method Methods 0.000 claims abstract description 10
- 230000000149 penetrating effect Effects 0.000 claims abstract 2
- 238000001514 detection method Methods 0.000 claims description 27
- 238000012360 testing method Methods 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 10
- 230000020347 spindle assembly Effects 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000006467 substitution reaction 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0009—Force sensors associated with a bearing
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a needle bearing friction torque measuring device which comprises a motor rotating assembly arranged above a supporting frame of the device, wherein the motor rotating assembly comprises an experiment table, a motor mounting base, a motor fixing frame, a servo motor and a rotating shaft body, the upper surface of the supporting frame of the device is connected with the experiment table in an embedded mode, an upper surface bolt of the experiment table is connected with the motor mounting base in a penetrating mode, the upper surface of the motor mounting base is connected with the motor fixing frame in an embedded mode, the upper surface of the motor fixing frame is fixedly connected with the servo motor, the right surface of the servo motor is connected with the rotating shaft body in a rotating mode, a torque detecting assembly is arranged on the right surface of the motor rotating assembly, an air main shaft assembly is arranged on the right surface of the torque detecting assembly, and a friction force application assembly is arranged on the upper surface of the air main shaft assembly.
Description
Technical Field
The invention relates to a needle bearing friction torque measuring device.
Background
The existing needle bearing needs to be detected in the using process, but the existing detection device has some defects in the detection process and needs to be improved, firstly, the existing needle bearing cannot acquire dynamic torque data in real time in the detection process, and meanwhile, the problem that the radial friction force applied to the needle bearing cannot be effectively tested and measured cannot be solved, so that the needle bearing friction torque measurement equipment is provided.
Disclosure of Invention
The invention aims to: in order to solve the problems of the prior art, the invention provides the following technical scheme: a needle bearing friction torque measuring device is provided to improve the above problems. The present application is specifically such that: include the top of device foot rest is equipped with motor rotating assembly, motor rotating assembly includes laboratory bench, motor installation base, motor mount, servo motor, rotation axis body, the connection is inlayed to the upper surface of device foot rest the laboratory bench, the upper surface bolt through connection of laboratory bench the motor installation base, the connection is inlayed to the upper surface of motor installation base the motor mount, the last fixed surface of motor mount connects servo motor, servo motor's right surface rotates to be connected the rotation axis body, motor rotating assembly's right surface is equipped with moment determine module, moment determine module's right surface is equipped with air main shaft subassembly, air main shaft subassembly's upper surface is equipped with frictional force application of force subassembly.
Furthermore, four supporting foot frames are arranged and are all embedded at four corners of the experiment table and are in a symmetrical state, and lower feet are arranged below the supporting foot frames.
Further, the moment detection subassembly includes sensor base, torque sensor, the upper surface bolt through connection of laboratory bench the sensor base, the last surface mounting of sensor base connects torque sensor.
Further, air spindle assembly includes spindle carrier, air main shaft, spindle carrier triangle anchor strut, axis of rotation, the upper surface bolt through connection of laboratory bench spindle carrier, the last surface mounting of spindle carrier connects air main shaft, the connection is inlayed to air main shaft's surface spindle carrier triangle anchor strut, the right surface of air main shaft rotates to be connected the axis of rotation.
Further, the rotating shaft body on the right side of the servo motor penetrates through the torque sensor and is connected with the rotating shaft on the surface of the air spindle.
Further, frictional force application of force subassembly includes that frictional force detects cylinder, frictional force and detects gas pole, radial frictional force test pole, the lower surface sliding connection of frictional force detection cylinder frictional force detects the gas pole, the lower surface that frictional force detected the gas pole is inlayed and is connected radial frictional force test pole.
Further, the spindle mounting rack is Z-shaped, and the friction force detection cylinder is fixed above the spindle mounting rack.
Further, a rubber pad is arranged at the connection position of the motor fixing frame and the servo motor bolt.
Further, a bearing is arranged at the joint of the spindle mounting rack and the air spindle.
Further, the lower surface of the radial friction force testing rod is provided with a friction block.
The invention has the beneficial effects that:
1. the friction force detection cylinder and the friction force detection air rod in the friction force application assembly realize that the bearing calipers are arranged on the surface of the rotating shaft, the friction force detection air rod on the inner side of the extension of the friction force detection cylinder is used for enabling the radial friction force test rod to be in contact with the bearing, meanwhile, the servo motor drives the rotating shaft body to rotate, the rotating shaft body drives the rotating shaft body on the right side of the air spindle to rotate under the linkage of the torque sensor, and the bearing effectively rotates when bearing the force applied by the radial friction force test rod along with the rotation of the rotating shaft so as to effectively perform effective test measurement on the radial friction force applied to the bearing;
2. through the upper surface bolt through connection of laboratory bench the sensor base, the last surface mounting of sensor base connects torque sensor can effectively carry out the real-time collection of dynamic torque data.
Drawings
FIG. 1 is a structural diagram of a needle bearing friction torque measuring device according to the present invention;
FIG. 2 is a front view of the needle bearing friction torque measuring device of the present invention;
FIG. 3 is a view of the air spindle assembly of the needle bearing friction torque measuring device of the present invention;
FIG. 4 is a partial view of an air spindle assembly of the needle bearing friction torque measuring device of the present invention;
FIG. 5 is a partial view of a motor rotating assembly of the needle bearing friction torque measuring device of the present invention;
FIG. 6 is a structural diagram of a motor rotating assembly of the needle bearing friction torque measuring device of the present invention;
fig. 7 is a left side view of the needle bearing friction torque measuring apparatus of the present invention.
Detailed Description
Embodiments of the needle bearing friction torque measuring device of the present invention are shown in fig. 1 to 7: top including device foot rest 1 is equipped with motor rotating assembly 2, motor rotating assembly 2 includes laboratory bench 201, motor installation base 202, motor mount 203, servo motor 204, rotate the axis body 205, device foot rest 1's upper surface is inlayed and is connected laboratory bench 201, laboratory bench 201's upper surface bolt through connection motor installation base 202, motor installation base 202's upper surface is inlayed and is connected motor mount 203, motor mount 203's upper surface fixed connection servo motor 204, servo motor 204's right surface rotates connects rotation axis body 205, motor rotating assembly 2's right surface is equipped with moment determine module 3, moment determine module 3's right surface is equipped with air spindle assembly 4, the upper surface through air spindle assembly 4 is equipped with frictional force application assembly 5 and carries out the application of bearing frictional force.
It all is the symmetric state effectively to be equipped with four all inlays at four edges of laboratory bench 201 through device foot rest 1 and improves stability to be equipped with the lower margin through 1 below of device foot rest and carry out effectual support, moment determine module 3 includes sensor base 301, torque sensor 302, and laboratory bench 201's upper surface bolt through connection sensor base 301, and upper surface mounting through sensor base 301 connects torque sensor 302 and can effectively detect moment.
The air spindle assembly 4 comprises a spindle mounting frame 401, an air spindle 402, a spindle frame triangular reinforcing rod 403 and a rotating shaft 404, wherein bolts on the upper surface of the experiment table 201 penetrate through the spindle mounting frame 401, the air spindle 402 is mounted and connected on the upper surface of the spindle mounting frame 401, the spindle frame triangular reinforcing rod 403 is embedded and connected on the outer surface of the air spindle 402, and the rotating shaft 404 is rotatably connected on the right surface of the air spindle 402.
The rotating shaft body 205 on the right side of the servo motor 204 penetrates through the torque sensor 302 and is connected with the rotating shaft 404 on the surface of the air spindle 402, the friction force application assembly 5 comprises a friction force detection air cylinder 501, a friction force detection air rod 502 and a radial friction force test rod 503, the lower surface of the friction force detection air cylinder 501 is connected with the friction force detection air rod 502 in a sliding mode, and the friction force can be effectively applied to measure the bearing by embedding and connecting the radial friction force test rod 503 on the lower surface of the friction force detection air rod 502.
The spindle mounting frame 401 is Z-shaped, the friction force detection cylinder 501 is fixed above the spindle mounting frame 401, a rubber pad is arranged at the bolt connection position of the motor fixing frame 203 and the servo motor 204, a bearing is arranged at the connection position of the spindle mounting frame 401 and the air spindle 402, and a friction block is arranged on the lower surface of the radial friction force test rod 503 to detect friction force of the needle bearing.
The working principle of the invention is as follows: firstly, the device foot rest 1 is installed below four corners of an experiment table 201 to form a workbench, a motor installation base 202, a sensor base 301 and a spindle installation frame 401 are fixed on the experiment table 201 through threaded connection and are used for connecting a servo motor 204, a torque sensor 302 and an air spindle 402, secondly, a bearing caliper is required to be clamped on the surface of a rotating shaft 404, a friction force detection air rod 502 at the inner side is extended through a friction force detection air cylinder 501, so that a radial friction force detection rod 503 is contacted with a bearing, meanwhile, the servo motor 204 drives a rotating shaft body 205 at the side under the fixation of a motor fixing frame 203 to rotate, as the surface of the rotating shaft body 205 is connected with the torque sensor 302, the rotating shaft body 205 drives the rotating shaft body 404 at the right side of the air spindle 402 to rotate under the linkage of the torque sensor 302, and finally, along with the rotation of the rotating shaft 404, the bearing is effectively enabled to rotate when bearing the force applied by the radial friction force testing rod 503, so that the effect of detecting the friction force of the bearing is achieved.
The above embodiment is only a needle bearing friction torque measuring device of a preferred embodiment of the present invention, and common changes and substitutions performed by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a bearing friction torque measuring equipment, includes device foot rest, its characterized in that, the top of device foot rest is equipped with motor rotating assembly, among the motor rotating assembly the upper surface of device foot rest is inlayed and is connected with the laboratory bench, the last surface bolt through connection of laboratory bench has motor installation base, the connection motor mount is inlayed to the upper surface of motor installation base, the last fixed surface of motor mount connects servo motor, servo motor's right surface rotates and is connected with the rotation axis body, motor rotating assembly's right surface is equipped with moment detection subassembly, the right surface of moment detection subassembly is equipped with air main shaft subassembly, the upper surface of air main shaft subassembly is equipped with frictional force application of force subassembly.
2. The needle bearing friction torque measuring device according to claim 1, wherein four device foot supports are symmetrically embedded at four corners of the experiment table, and feet are arranged below the device foot supports.
3. The needle bearing friction torque measuring device according to claim 1, wherein the torque detection assembly comprises a sensor base and a torque sensor, the upper surface of the experiment table is connected with the sensor base in a penetrating mode through bolts, and the upper surface of the sensor base is connected with the torque sensor in a mounting mode.
4. The needle bearing friction torque measuring device according to claim 1, wherein the air spindle assembly comprises a spindle mounting frame, an air spindle, a spindle frame triangular reinforcing rod and a rotating shaft, a bolt is arranged on the upper surface of the experiment table and penetrates through the spindle mounting frame, the air spindle is mounted and connected on the upper surface of the spindle mounting frame, the spindle frame triangular reinforcing rod is connected on the outer surface of the air spindle in an embedded mode, and the right surface of the air spindle is rotatably connected with the rotating shaft.
5. The needle bearing friction torque measuring apparatus according to claim 1, wherein the rotating shaft body on the right side of the servo motor is connected to the rotating shaft on the surface of the air spindle through the torque sensor.
6. The needle bearing friction torque measuring device according to claim 4, wherein the friction force application assembly comprises a friction force detection cylinder, a friction force detection air rod and a radial friction force test rod, wherein the lower surface of the friction force detection cylinder is connected with the friction force detection air rod in a sliding mode, and the lower surface of the friction force detection air rod is connected with the radial friction force test rod in an embedded mode.
7. The needle bearing friction torque measuring apparatus according to claim 6, wherein the spindle mount is zigzag-shaped, and the friction detecting cylinder is fixed above the spindle mount.
8. The needle bearing friction torque measuring device according to claim 1, wherein a rubber pad is disposed at a bolted joint of the motor fixing frame and the servo motor.
9. The needle bearing friction torque measuring device of claim 4, wherein a bearing is provided at a junction of the spindle mounting bracket and the air spindle.
10. The needle bearing friction torque measuring apparatus according to claim 6, wherein a friction block is provided on a lower surface of the radial friction force testing rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111615375.5A CN114371003A (en) | 2021-12-27 | 2021-12-27 | Equipment for measuring friction torque of needle bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111615375.5A CN114371003A (en) | 2021-12-27 | 2021-12-27 | Equipment for measuring friction torque of needle bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114371003A true CN114371003A (en) | 2022-04-19 |
Family
ID=81142881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111615375.5A Pending CN114371003A (en) | 2021-12-27 | 2021-12-27 | Equipment for measuring friction torque of needle bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114371003A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115096490A (en) * | 2022-07-29 | 2022-09-23 | 人本股份有限公司 | Linear guide rail bearing friction torque detection equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101034025A (en) * | 2006-10-24 | 2007-09-12 | 杭州轴承试验研究中心有限公司 | Automobile hub bearing friction torque tester and testing method thereof |
| DE102015108030B3 (en) * | 2015-05-21 | 2016-08-04 | Werner Stehr Tribologie | Torque measuring device for measuring friction forces |
| CN109612615A (en) * | 2018-12-24 | 2019-04-12 | 人本集团有限公司 | The test device of automobile hub bearing load friction torque |
| CN109632161A (en) * | 2018-12-04 | 2019-04-16 | 上海大学 | A kind of Frictional Moment for Rolling Bearings test machine |
| CN113155455A (en) * | 2021-04-14 | 2021-07-23 | 人本股份有限公司 | Needle bearing test mechanism |
-
2021
- 2021-12-27 CN CN202111615375.5A patent/CN114371003A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101034025A (en) * | 2006-10-24 | 2007-09-12 | 杭州轴承试验研究中心有限公司 | Automobile hub bearing friction torque tester and testing method thereof |
| DE102015108030B3 (en) * | 2015-05-21 | 2016-08-04 | Werner Stehr Tribologie | Torque measuring device for measuring friction forces |
| CN109632161A (en) * | 2018-12-04 | 2019-04-16 | 上海大学 | A kind of Frictional Moment for Rolling Bearings test machine |
| CN109612615A (en) * | 2018-12-24 | 2019-04-12 | 人本集团有限公司 | The test device of automobile hub bearing load friction torque |
| CN113155455A (en) * | 2021-04-14 | 2021-07-23 | 人本股份有限公司 | Needle bearing test mechanism |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115096490A (en) * | 2022-07-29 | 2022-09-23 | 人本股份有限公司 | Linear guide rail bearing friction torque detection equipment |
| CN115096490B (en) * | 2022-07-29 | 2024-01-19 | 人本股份有限公司 | Linear guide bearing friction moment detection equipment |
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