CN201637518U - Friction torque testing instrument for rolling bearing - Google Patents
Friction torque testing instrument for rolling bearing Download PDFInfo
- Publication number
- CN201637518U CN201637518U CN2010201440608U CN201020144060U CN201637518U CN 201637518 U CN201637518 U CN 201637518U CN 2010201440608 U CN2010201440608 U CN 2010201440608U CN 201020144060 U CN201020144060 U CN 201020144060U CN 201637518 U CN201637518 U CN 201637518U
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- friction torque
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- 238000005096 rolling process Methods 0.000 title claims abstract description 34
- 238000012360 testing method Methods 0.000 title abstract description 8
- 238000012545 processing Methods 0.000 claims abstract description 6
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 9
- 230000002950 deficient Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000036316 preload Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 230000008140 language development Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000010183 spectrum analysis Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
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Abstract
The utility model relates to a friction torque testing instrument for a rolling bearing, which is used for evaluating the comprehensive using performance of the rolling bearing. The friction torque testing instrument comprises a host and a computer, wherein the host is provided with a working platform, an air-floatation bearing and a loading force sensor, wherein the working platform is driven by an ultrasonic motor to rotate; the air-floatation bearing is positioned above the working platform; the loading force sensor is driven by an AC servo motor; a stator of the air-floatation bearing is fixed on the loading force sensor; and the upper end of a rotator of the air-floatation bearing is provided with a tiny-force sensor and a transmitter. When the friction torque testing instrument works, the outer ring of the rolling bearing to be tested is arranged on the working platform, the load is exerted on the inner ring of the bearing to be tested by the lower end of the rotator of the air-floatation bearing, the outer ring drives the inner ring to rotate under the action of the friction torque of the bearing, meanwhile, the inner ring of the bearing drives the rotator of the air-floatation bearing to rotate, a force arm at the upper end of the air-floatation bearing can transmit the friction torque of the bearing to the tiny-force sensor, and the tiny-force sensor can transmit a torque signal to the computer by the transmitter for processing data, so as to realize the precise measurement for the friction torque of the bearing.
Description
Technical field
The utility model belongs to the fine measuring instrument technical field, relates to a kind of Frictional Moment for Rolling Bearings tester that is used to estimate the comprehensive usability of rolling bearing.
Background technology
Frictional Moment for Rolling Bearings is a comprehensive usability of rolling bearing, and its generation is the result of multiple combined factors, and rolling friction is wherein promptly arranged, and sliding friction is also arranged, and the friction between solid is promptly arranged, and the viscous resistance of lubricant is also arranged.In modern project is answered, must know the accurate moment of friction value of bearing under conditions of work such as certain load, rotating speed for given type and size, and factor such as whether retainer work stable, these factors are directly connected to performance, reliability, life-span and the quality of product, for precision bearing system, precision instrument industry, it is very important and necessary research means especially.
In modern bearing manufacturing and numerous bearing applying unit, the general method of control bearing geometric accuracy that all adopts is controlled bearing quality, seldom be controlled to the kinematic synthesis performance of cover bearing, even if the combination property of control rolling bearing often also is beating and the combination property of the method Indirect evaluation bearing of the test of the vibration of axle system and noise by measurement axis system again after bearing is assembled to axle system.The factor that influences the rolling bearing combination property is a lot, in case it is just more complicated that bearing installs to the factor of behavior in service of axle system back influence axle system, with measurement axis system beat and the method for the vibration noise of axle system is difficult to the quality problems of bearing are separated from axle system, thereby can not disclose the defective of rolling bearing and supporting exactly, for example raceway misalignment in raceway impression, pollution, the assembling, raceway roundness deviation, bearing preload lotus deviation, lubricating status, retainer pulls and other running problems.
The utility model content
The purpose of this utility model is the problem that prior art exists is solved, provide a kind of rational in infrastructure, easy and simple to handle, cost is low, can disclose the Frictional Moment for Rolling Bearings tester of rolling bearing and supporting defective exactly.
The Frictional Moment for Rolling Bearings tester that provides for achieving the above object is a kind of rolling bearing dynamics that utilizes, by measure rolling bearing under the condition that slowly runs moment of friction so that bearing quality is carried out the proving installation of scientific evaluation, it comprises main frame and is used for driving host work and the host work signal is carried out the computing machine of data processing, wherein, main frame has a workbench that is driven rotation by supersonic motor, air-bearing that is positioned at workbench top and one are driven by AC servo motor and make the loading force sensor that VTOL (vertical take off and landing) moves, the stator of air-bearing is fixed on the loading force sensor, and the upper end of air-bearing rotor is provided with Micro-force sensor and transmitter by the contact of the open type arm of force.
In the specific design structure, the loading force sensor of this tester is fixed on one by on charging handle and the loading leading screw driven vertical rolling guide, charging handle is in transmission connection by spring coupling with AC servo motor with loading leading screw, is used to realize loading and loading force measurement to measured bearing; The Micro-force sensor of this tester and transmitter are fixed on one and adjust handle drives by the arm of force and do the arm of force that horizontal cross moves and adjust on the guide rail, are used to realize the adjustment of acting force arm size.
In the real work, the outer ring of tested rolling bearing is installed on the workbench, rotor lower end polishing head by air-bearing is applied to load on the measured bearing inner ring, because the effect of bearing frictional torque drives bearing inner race by the outer ring and rotates in the same way, bearing inner race drives the rotor rotation of air-bearing simultaneously, the arm of force of the upper end of the rotor of air-bearing passes to Micro-force sensor with bearing frictional torque, Micro-force sensor is transferred to computing machine with torque signals through transmitter and carries out data processing, obtain measurement result, reach the precision measurement of bearing frictional torque.
Compared with prior art, the utility model utilizes the rolling bearing dynamics, adopts modern high-precision static pressure air-bearing, has realized the noiseless preload to measured bearing, has guaranteed the measuring accuracy of rolling bearing low speed friction moment; Adopt modern supersonic motor (DC servo motor) to realize the driving and the control of principle axis shafting, make instrument and measured piece noise elimination, low speed even running; In addition, the utility model also adopts LabWindows/CVI as Software Development Platform, the user can write, debugs and revise application program quickly and easily, forming executable file moves in Windows operating system, LabWindows/CVI is based upon on the open type software architecture, and the virtual instrument system of setting up a new generation for the user on the basis of original C language development provides perfect compatibility and very big dirigibility.By processing to image data, obtain the characteristic of bearing frictional torque, further analyze the bearing dynamic property.Data processor changes bearing to be analyzed apart from characteristic, provides the maximal value and the mean value of bearing frictional torque, and can carry out spectrum analysis to curve by windowing (hamming window or add other window etc.).That product has is rational in infrastructure, easy and simple to handle, cost is low, can disclose advantages such as rolling bearing and supporting defective exactly, is bearing manufacturing and numerous bearing applying unit screening rolling bearings, testing tool science, easy, cheap of control bearing quality.
Description of drawings
Fig. 1 is the structural representation of this Frictional Moment for Rolling Bearings tester main frame.
Fig. 2 is the composition and the control flow chart thereof of the utility model measuring system.
Each label title is respectively among the figure: 1-charging handle and loading leading screw, 2-Micro-force sensor and transmitter, 3-vertical scrolling guide rail, the 4-arm of force is adjusted guide rail, and the 5-arm of force is adjusted handle, 6-support, the 7-air-bearing, 8-loading force sensor, 9-drive shaft, the 10-spring coupling, the 11-spring coupling, 12-AC servo motor, 13-supersonic motor (DC servo motor), the 14-workbench, 15-equipment table top.
Embodiment
Below with reference to accompanying drawing the utility model content is described further, but actual fabrication structure of the present utility model is not limited in following embodiment.
Referring to accompanying drawing, Frictional Moment for Rolling Bearings tester described in the utility model comprises main frame, computing machine (PC) and part of data acquisition, its host machine part mainly by Micro-force sensor and transmitter 2, vertical scrolling guide rail 3, the arm of force adjust that guide rail 4, air-floating main shaft hold 7, members such as loading force sensor 8, drive shaft, AC servo motor 12, supersonic motor (DC servo motor) 13 and workbench 14 form.
The outer ring of tested rolling bearing is installed on the workbench 14, and workbench 14 is installed on the main shaft 9.The stator of air-bearing 7 is fixed on the loading force sensor 8, loading force sensor 8 is fixed on the vertical scrolling guide rail 3, vertical scrolling guide rail and loading support 3 are driven by charging handle and loading leading screw 1, vertical up-or-down movement, realization is to the loading and the loading force measurement of measured bearing, and charging handle is driven by spring coupling 10 by AC servo motor 12 with loading leading screw 1.In the course of work, provide load instructions,, load through the relay drive controlling by the output of I/O mouth by computing machine; After the loading, computer starting is measured instruction, drives the supersonic motor rotation, steadily slowly runs through spring coupling 11 and the tested rolling bearing of drive shaft 12 drives, and the range of speeds is 0.1～1.0r/sec, reaches bearing outer ring and steadily slowly runs.The lower end (measuring junction) of Micro-force sensor and transmitter 2 contacts with the arm of force open type of the upper end of the rotor of air-bearing 7; The upper end of Micro-force sensor and transmitter 2 (installation end) is fixed on the arm of force and adjusts on the guide rail 4, rotates the arm of force and adjusts handle 5, and Micro-force sensor is moved along the arm of force direction of the upper end of the rotor of air-bearing 7, thereby realizes the adjustment of acting force arm size.During work, the rotor lower end of air-bearing 7 is applied to load on the inner ring of tested rolling bearing, driving bearing inner race by the outer ring under the effect of bearing frictional torque rotates in the same way, bearing inner race drives the rotor rotation of air-bearing 7 simultaneously, the arm of force interference-free of the rotor upper end of air-bearing 7 passes to Micro-force sensor with bearing frictional torque, Micro-force sensor with torque signals after transmitter is transferred to computing machine and carries out data processing, obtain the in good time bearing frictional torque of precision bearing moment of friction, maximal value and mean value, track by the variation of curve map reflection measured bearing moment of friction, and data are handled accordingly, form test report, obtain measurement result, and then the rolling bearing combination property is estimated.
In the utility model structure, by modern supersonic motor 13, spring coupling 11, drive shaft 9, workbench 14, the first-class accurate main shaft system that constitutes main frame of air-bearing downforce, the precision of accurate main shaft system and the stationarity of rotation are this a part of key problem in technology, adopt high-precision bearing, improving axle is the spare part machining precision, adjusts suitable preload, can guarantee shafting precision, adopt modern supersonic motor, can realize noise elimination, low speed even running; Adjust the load maintainer that guide rail 4, arm of force adjustment handle 5 etc. constitute main frame by charging handle and loading leading screw 1, vertical scrolling guide rail 3, arm, adopt the precision static pressure air-bearing, the harmful moment that is caused by loading is minimum, has improved the measuring accuracy of bearing frictional torque; Constitute the equilibrant measuring system of main frame by Micro-force sensor and transmitter 2, loading force sensor 8, be mainly used in the precision bearing test, in modern electric detecting technology, above-mentioned resistance strain type sensor is owing to can adapt to the needs that minimum power arrives dynamic and static measurement power in a big way, have the measuring accuracy height, sensitivity is good, Dynamic response is better, the advantage of good in anti-interference performance, so often be used in the balance force method measuring system because of easily realizing that automatic data acquisition, data transmit and handle by its measuring system of forming.
Claims (3)
1. Frictional Moment for Rolling Bearings tester, comprise main frame and be used for driving host work and the host work signal carried out the computing machine of data processing, it is characterized in that main frame has a workbench (14) that is driven rotation by supersonic motor (13), air-bearing (7) that is positioned at workbench (14) top and one make the loading force sensor (8) that VTOL (vertical take off and landing) moves by AC servo motor (12) drive, the stator of air-bearing (7) is fixed on the loading force sensor (8), and the upper end of air-bearing (7) rotor is provided with Micro-force sensor and transmitter (2) by the contact of the open type arm of force.
2. Frictional Moment for Rolling Bearings tester according to claim 1, it is characterized in that loading force sensor (8) is fixed on one by on charging handle and loading leading screw (1) the driven vertical rolling guide (3), charging handle is in transmission connection by spring coupling (10) with loading leading screw (1) and AC servo motor (12).
3. Frictional Moment for Rolling Bearings tester according to claim 1 is characterized in that Micro-force sensor and transmitter (2) are fixed on one and adjust handle (5) by the arm of force and drive and do the arm of force that horizontal cross moves and adjust on the guide rail (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201440608U CN201637518U (en) | 2010-03-29 | 2010-03-29 | Friction torque testing instrument for rolling bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201440608U CN201637518U (en) | 2010-03-29 | 2010-03-29 | Friction torque testing instrument for rolling bearing |
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| Publication Number | Publication Date |
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| CN201637518U true CN201637518U (en) | 2010-11-17 |
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| CN2010201440608U Expired - Fee Related CN201637518U (en) | 2010-03-29 | 2010-03-29 | Friction torque testing instrument for rolling bearing |
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| CN (1) | CN201637518U (en) |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101986117A (en) * | 2010-11-26 | 2011-03-16 | 无锡市江益轴承自动化设备有限公司 | Detector for detecting friction moment of bearings |
| CN102829905A (en) * | 2012-07-27 | 2012-12-19 | 北京航天控制仪器研究所 | Friction torque measuring method for service life evaluation of ball bearing for motor |
| CN102901594A (en) * | 2012-09-29 | 2013-01-30 | 中国航天科技集团公司第五研究院第五一〇研究所 | Device for testing friction moment of pairing rolling bearing |
| CN103674368A (en) * | 2013-12-23 | 2014-03-26 | 上海第二工业大学 | Testing device for rotary torque and swivel torque of ball-pin bearing |
| CN103968982A (en) * | 2014-05-09 | 2014-08-06 | 中国航天空气动力技术研究院 | Low damping rolling moment measuring device based on gas bearing |
| CN104132886A (en) * | 2014-05-12 | 2014-11-05 | 上海大学 | Device for testing friction coefficient of precision bearing ball and cage pocket |
| CN104483262A (en) * | 2014-12-31 | 2015-04-01 | 华侨大学 | Fretting friction testing machine for micro displacement achieved through ultrasonic vibration |
| CN104634731A (en) * | 2015-02-05 | 2015-05-20 | 天津职业技术师范大学 | Hydraulic loading ball disc type elastic flow friction tester |
| CN105397565A (en) * | 2015-12-25 | 2016-03-16 | 鼎奇(天津)主轴科技有限公司 | Machine tool main shaft no-load friction moment testing device and application method thereof |
| CN105865677A (en) * | 2016-05-20 | 2016-08-17 | 台龙电子（昆山）有限公司 | Automatic torsion testing machine |
| CN105890902A (en) * | 2016-06-12 | 2016-08-24 | 西北工业大学 | Fatigue test device for ultrasonic high-frequency rolling bearing |
| CN106404254A (en) * | 2016-11-17 | 2017-02-15 | 哈尔滨理工大学 | Working platform for measuring rolling friction force |
| CN108572076A (en) * | 2018-07-12 | 2018-09-25 | 中国计量大学 | A kind of static pressure air-bearing main shaft device for detecting performance and its application method |
| CN109520737A (en) * | 2018-11-27 | 2019-03-26 | 河南科技大学 | A kind of measuring method of deep groove ball bearing moment of friction |
| CN109540516A (en) * | 2018-10-31 | 2019-03-29 | 天津大学 | Rolling bearing equlvalent coefficient of friction measuring device and method |
| CN110006574A (en) * | 2019-04-19 | 2019-07-12 | 济南大学 | Ball Screw Pair Friction Moment measuring device |
| CN114485777A (en) * | 2021-12-23 | 2022-05-13 | 浙江农林大学 | Detection equipment and detection method for bearing outer ring runout and rotation torque |
-
2010
- 2010-03-29 CN CN2010201440608U patent/CN201637518U/en not_active Expired - Fee Related
Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101986117A (en) * | 2010-11-26 | 2011-03-16 | 无锡市江益轴承自动化设备有限公司 | Detector for detecting friction moment of bearings |
| CN102829905B (en) * | 2012-07-27 | 2015-02-11 | 北京航天控制仪器研究所 | Friction torque measuring method for service life evaluation of ball bearing for motor |
| CN102829905A (en) * | 2012-07-27 | 2012-12-19 | 北京航天控制仪器研究所 | Friction torque measuring method for service life evaluation of ball bearing for motor |
| CN102901594A (en) * | 2012-09-29 | 2013-01-30 | 中国航天科技集团公司第五研究院第五一〇研究所 | Device for testing friction moment of pairing rolling bearing |
| CN103674368A (en) * | 2013-12-23 | 2014-03-26 | 上海第二工业大学 | Testing device for rotary torque and swivel torque of ball-pin bearing |
| CN103674368B (en) * | 2013-12-23 | 2015-06-17 | 上海第二工业大学 | Testing device for rotary torque and swivel torque of ball-pin bearing |
| CN103968982A (en) * | 2014-05-09 | 2014-08-06 | 中国航天空气动力技术研究院 | Low damping rolling moment measuring device based on gas bearing |
| CN103968982B (en) * | 2014-05-09 | 2016-01-06 | 中国航天空气动力技术研究院 | Based on the low resistance rolling moment measurement mechanism of air-bearing |
| CN104132886A (en) * | 2014-05-12 | 2014-11-05 | 上海大学 | Device for testing friction coefficient of precision bearing ball and cage pocket |
| CN104132886B (en) * | 2014-05-12 | 2017-08-11 | 上海大学 | Precision bearing ball and the testing device for friction coefficient in retainer pocket hole |
| CN104483262A (en) * | 2014-12-31 | 2015-04-01 | 华侨大学 | Fretting friction testing machine for micro displacement achieved through ultrasonic vibration |
| CN104634731A (en) * | 2015-02-05 | 2015-05-20 | 天津职业技术师范大学 | Hydraulic loading ball disc type elastic flow friction tester |
| CN104634731B (en) * | 2015-02-05 | 2017-06-09 | 天津职业技术师范大学 | A kind of hydraulic loaded ball disc type bullet stream friction testing instrument |
| CN105397565A (en) * | 2015-12-25 | 2016-03-16 | 鼎奇(天津)主轴科技有限公司 | Machine tool main shaft no-load friction moment testing device and application method thereof |
| CN105865677A (en) * | 2016-05-20 | 2016-08-17 | 台龙电子（昆山）有限公司 | Automatic torsion testing machine |
| CN105890902A (en) * | 2016-06-12 | 2016-08-24 | 西北工业大学 | Fatigue test device for ultrasonic high-frequency rolling bearing |
| CN106404254A (en) * | 2016-11-17 | 2017-02-15 | 哈尔滨理工大学 | Working platform for measuring rolling friction force |
| CN108572076A (en) * | 2018-07-12 | 2018-09-25 | 中国计量大学 | A kind of static pressure air-bearing main shaft device for detecting performance and its application method |
| CN108572076B (en) * | 2018-07-12 | 2024-04-09 | 中国计量大学 | Application method of static pressure air floatation spindle performance detection device |
| CN109540516A (en) * | 2018-10-31 | 2019-03-29 | 天津大学 | Rolling bearing equlvalent coefficient of friction measuring device and method |
| CN109540516B (en) * | 2018-10-31 | 2023-09-05 | 天津大学 | Rolling bearing equivalent friction coefficient measuring device and method |
| CN109520737A (en) * | 2018-11-27 | 2019-03-26 | 河南科技大学 | A kind of measuring method of deep groove ball bearing moment of friction |
| CN109520737B (en) * | 2018-11-27 | 2020-05-19 | 河南科技大学 | Method for measuring and calculating friction torque of deep groove ball bearing |
| CN110006574A (en) * | 2019-04-19 | 2019-07-12 | 济南大学 | Ball Screw Pair Friction Moment measuring device |
| CN110006574B (en) * | 2019-04-19 | 2020-12-01 | 济南大学 | Friction moment measuring device of ball screw pair |
| CN114485777A (en) * | 2021-12-23 | 2022-05-13 | 浙江农林大学 | Detection equipment and detection method for bearing outer ring runout and rotation torque |
| CN114485777B (en) * | 2021-12-23 | 2024-04-30 | 浙江农林大学 | Detection equipment and detection method for runout and rotation moment of outer ring of bearing |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: MA BO Free format text: FORMER OWNER: XI AN HANGWEI ELECTROMECHANICAL EQUIPMENT CO., LTD. Effective date: 20140828 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Free format text: CORRECT: ADDRESS; FROM: 710075 XI AN, SHAANXI PROVINCE TO: 710065 XI AN, SHAANXI PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20140828 Address after: 710065, Shaanxi, Xi'an hi tech Zone, 39 pioneering Road, building A1, vice first floor Patentee after: Ma Bo Address before: 710075 316, building five, building 2, hi tech Road, Shaanxi, Xi'an Patentee before: Xian Hangwei Electromechanical Equipment Co., Ltd. |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101117 Termination date: 20140329 |