CN201004011Y - A shaft friction torque measurement instrument - Google Patents
A shaft friction torque measurement instrument Download PDFInfo
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- CN201004011Y CN201004011Y CNU2007200895676U CN200720089567U CN201004011Y CN 201004011 Y CN201004011 Y CN 201004011Y CN U2007200895676 U CNU2007200895676 U CN U2007200895676U CN 200720089567 U CN200720089567 U CN 200720089567U CN 201004011 Y CN201004011 Y CN 201004011Y
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- 238000012360 testing method Methods 0.000 claims abstract description 11
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- 230000008859 change Effects 0.000 claims description 5
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- 238000004458 analytical method Methods 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000005461 lubrication Methods 0.000 abstract 1
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- 238000005516 engineering process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 2
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Abstract
A shafting friction torque testing instrument consists of an actuating motor(1), a timing belt(2), a photoelectric encoder(3), a principal support axis(4), a worktable(5), a chuck(6), an upright guide(8) and a torque transducer(9). The lower part of the worktable(5) arranges with the principal support axis(4) and provides the photoelectric encoder(3), both of which are driven by the timing belt(2) and the actuating motor(1); in the upper part of the worktable(5), the other end of the principal support axis(4) arranges the chuck(6) in the use of chucking the test shaft, and the chuck(6) provides the torque transducer(9) and is fixed on the upright guide(8). The torque transducer(9) and the photoelectric encoder(3) of the controlling detection system, through the front end detector circuit, transform, filter the wave and output to the A/D data acquisition piece controlled by the computer. The I/O piece assorts with the linkage between the actuating motor(1) and the computer, and the output signals are resulting in the data processing to obtain the friction torque of the test shaft, which can provide basis for the analysis that the factors such as the design, manufacture, installation and lubrication of the shaft structure influence the shafting friction torque.
Description
Technical field
The utility model belongs to the moment of friction field of measuring technique, and specially referring to a kind of axle is the moment of friction measuring instrument.
Background technology
The moment of friction of axle system is that the comprehensive evaluation axle is the important technology index of dynamic property, and promptly axle is that the size and the dispersion degree of moment of friction are the quality index that the user is concerned about very much.Yet, the moment of friction value of axle system is not a definite value, but variable, its influence factor is quite complicated, be the concentrated expression result of multiple influence factors such as shafting structure design parameter, each part processing precision, making and assembly technology, lubricated and cleanliness, ballast is wherein arranged, many uncertain factors are also arranged, be reflected on the measurement result, the variation of moment of friction is bigger.Therefore the user is in order to obtain the more stable frictional behaviour of axle system, should carry out analysis of science according to the measurement result of axle system and moment variations curve after, the influence factor of its moment of friction that settles one by one is closed performance index thereby improve an axle assemblage, satisfies request for utilization.
At present domestic go back neither one well directly measurement axis be the way of moment of friction.Major part is to measure the moment of friction value of each spring bearing before the employing installation earlier, estimates the total moment of friction of axle module according to the actual test value of spring bearing moment of friction then.The main frame producer that has in addition adopts the method that hangs counterweight that the frictional behaviour of axle module is carried out test experiments in the laboratory, cause the error of measuring and estimating bigger like this, can't control accurately the frictional behaviour of axle system.Along with each main frame producer is more and more higher to the technical parameter requirement of precision bearing system assembly, especially some main frame producers require to provide the accurate technical parameter of precision bearing system assembly, and estimation and the method for testing to precision bearing system assembly moment of friction can't meet the demands at present.
Summary of the invention
In order to address the above problem, it is the moment of friction measuring instrument that the utility model provides a kind of axle, take the equalising torque ratio juris, rotate by the motor-driven supports main shaft, measured axis system will rotate with supports main shaft by being installed, torque sensor connects with the axle of measured axis system, moment of friction by torque sensor and measured axis system keeps mobile equilibrium then, torque sensor just equals the moment of friction of measured axis system to the opplied moment of measurement axis like this, carry out data processing by output signal then, obtain the moment of friction of measured axis system torque sensor.
In order to realize the foregoing invention purpose, the utility model has adopted following technical scheme:
Described axle is the moment of friction measuring instrument, and this measuring instrument mainly is made up of servomotor, synchronous cog belt, photoelectric encoder, supports main shaft, worktable, chuck, column guide rail, torque sensor and control and detection system; Supports main shaft is installed in the worktable below, and configuration photoelectric encoder in supports main shaft lower end is by synchronous cog belt and the rotation of driven by servomotor supports main shaft; The other end of worktable top supports main shaft is provided with chuck and is used to tighten measured axis system, the measured axis side of fastening configuration torque sensor, and torque sensor is fixed on the column guide rail, and the column guide rail is fixed on the worktable.
Described axle is the moment of friction measuring instrument, the measured torque signals of the torque sensor in its control and detection system by preposition testing circuit change, filtering, amplify and export to A that computing machine controls in the D data collecting card; The position that its circle grating shape photoelectric encoder is rotated measured axis system by the angular detection circuit monitor and export to A that computing machine controls in the D data collecting card; The measurement rotating speed of its servomotor by measured axis system inputs to computing machine and by the unlatching of its control servomotor, I interaction relation between O card coordinate Servo motor and the computing machine.
Owing to adopted technical scheme as mentioned above, the utlity model has following good effect:
1, the moment of friction that has solved precision bearing system is measured, and is that the influence of moment of friction provides foundation to structural design, manufacturing and the assembly technology of analysis axis system, factor such as lubricated to axle;
2, can to solve the axle of various structures be that moment of friction is measured to this instrument, and versatility is stronger;
3, the height of axle module performance and precision detects by instrument and judges, whether detecting instrument is advanced, will directly have influence on reliability and the accuracy that a module product detects.Along with the precision bearing system assembly the promoting the use of of every profession and trade, the performance requirement of axle module is improved constantly, correspondingly main frame producer is that the demand of moment of friction measuring instrument also increases thereupon to axle;
4, axle is that the moment of friction measuring instrument is applicable to enterprises and institutions such as Aeronautics and Astronautics, institution of higher learning, scientific research institutions, is used to measure the moment of friction of precision bearing system;
5, axle is that the research and development program element of moment of friction measuring instrument has good market outlook and social benefit.
Description of drawings
Fig. 1 is that axle is a moment of friction measuring instrument structural representation;
Fig. 2 is that axle is a moment of friction measuring instrument control and detection system calcspar.
Among Fig. 1: the 1-servomotor; The 2-synchronous cog belt; The 3-photoelectric encoder; The 4-supports main shaft; The 5-worktable; The 6-chuck; 7-measured axis system; 8-column guide rail; The 9-torque sensor.
Embodiment
As shown in Figure 1: axle of the present utility model is the moment of friction measuring instrument, and its this measuring instrument mainly is made up of servomotor (1), synchronous cog belt (2), photoelectric encoder (3), supports main shaft (4), worktable (5), chuck (6), column guide rail (8), torque sensor (9); Supports main shaft (4) is installed in worktable (5) below, and configuration photoelectric encoder (3) in supports main shaft (4) lower end drives supports main shaft (4) rotation by its synchronous cog belt (2) and servomotor (1); The other end of worktable (5) top supports main shaft (4) is provided with chuck (6) and is used to tighten measured axis system (7), measured axis system (7) top configuration torque sensor (9), torque sensor (9) is fixed on the column guide rail (8), and column guide rail (8) is fixed on the worktable (5).
As shown in Figure 2: axle of the present utility model is the moment of friction measuring instrument, the measured torque signals of the torque sensor in its control and detection system (9) by preposition testing circuit change, filtering, amplify and export to A that computing machine controls in the D data collecting card; Its circle grating shape photoelectric encoder (3) by the angular detection circuit to measured axis be position that (7) are rotated monitor and export to A that computing machine controls in the D data collecting card; The measurement rotating speed of its servomotor (1) by measured axis system (7) inputs to computing machine and by the unlatching of its control servomotor (1), I interaction relation between O card coordinate Servo motor (1) and the computing machine.
Axle of the present utility model is that the moment of friction measuring instrument is a moment of friction of measuring measured axis system according to the equalising torque ratio juris.Servomotor (1) drives supports main shaft (4) and rotates after speed governing, general centering chuck (6) tightens measured axis system (7) outer ring and rotates with supports main shaft (4); Because there is moment of friction in measured axis system (7), the axle of measured axis system (7) can be that rotate the outer ring with axle, the axle of measured axis system (7) is connected with torque sensor (9), torque sensor (9) hinders the axle rotation of measured axis system (7), by the moment of friction maintenance mobile equilibrium of torque sensor (9) with measured axis system (7), torque sensor (9) just equals the moment of friction of measured axis system (7) to the opplied moment of measured axis system (7) axle like this.
The measured torque signals of torque sensor (9) is changed, filtering, is amplified and export in the AD transition card that computing machine controls by front end circuit; Computing machine is monitored by the position that the round grating shape photoelectric encoder (3) that is installed on the apparatus subject is rotated supports main shaft (4), gathers and pre-service according to measured axis system (7) moment of friction data of monitoring supports main shaft (4) institute turned position correspondence.It is moment performance graph in the whole rotation process that data acquisition finishes that the back computing machine evaluates test result, the change curve of measured axis system (7) moment of friction, analyze and describe axle, provides maximal value, minimum value, mean value and variation.
During instrument work, input measurement rotating speed in computing machine at first, click then and measure button, servomotor (1) drives supports main shaft (4) and (7) overcoat rotation of measured axis system by synchronous cog belt (2), photoelectric encoder (3) detects the angle that measured axis system (7) overcoat turns over, torque sensor (9) is gathered the moment of friction numerical value of measured axis system (7) simultaneously, the back measurement that rotates a circle finishes, motor (1) stops operating, computing machine is with the test result of measured axis system (7) moment of friction, the change curve is evaluated, analyze and describe moment performance graph in measured axis system (7) whole rotation process, provide maximal value, minimum value, mean value and variation.
Claims (2)
1, a kind of axle is the moment of friction measuring instrument, and it is characterized in that: this measuring instrument mainly is made up of servomotor (1), synchronous cog belt (2), photoelectric encoder (3), supports main shaft (4), worktable (5), chuck (6), column guide rail (8), torque sensor (9); Supports main shaft (4) is installed in worktable (5) below, and configuration photoelectric encoder (3) in supports main shaft (4) lower end drives supports main shaft (4) rotation by its synchronous cog belt (2) and servomotor (1); The other end of worktable (5) top supports main shaft (4) is provided with chuck (6) and is used to tighten measured axis system (7), measured axis system (7) top configuration torque sensor (9), torque sensor (9) is fixed on the column guide rail (8), and column guide rail (8) is fixed on the worktable (5).
2, axle as claimed in claim 1 is the moment of friction measuring instrument, it is characterized in that: the measured torque signals of the torque sensor in its control and detection system (9) by preposition testing circuit change, filtering, amplify and export to A that computing machine controls in the D data collecting card; Its circle grating shape photoelectric encoder (3) by the angular detection circuit to measured axis be position that (7) are rotated monitor and export to A that computing machine controls in the D data collecting card; The measurement rotating speed of its servomotor (1) by measured axis system (7) inputs to computing machine and by the unlatching of its control servomotor (1), I interaction relation between O card coordinate Servo motor (1) and the computing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200895676U CN201004011Y (en) | 2007-02-15 | 2007-02-15 | A shaft friction torque measurement instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200895676U CN201004011Y (en) | 2007-02-15 | 2007-02-15 | A shaft friction torque measurement instrument |
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|---|---|
| CN201004011Y true CN201004011Y (en) | 2008-01-09 |
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| CNU2007200895676U Expired - Lifetime CN201004011Y (en) | 2007-02-15 | 2007-02-15 | A shaft friction torque measurement instrument |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101226068B (en) * | 2008-02-01 | 2010-04-07 | 西安电子科技大学 | Dynamic friction parameter test system and test method |
| CN102507056A (en) * | 2011-11-09 | 2012-06-20 | 江苏帝达贝轴承有限公司 | Dynamic tracking measurement instrument for friction torque of rolling bearing |
| CN102794270A (en) * | 2012-08-17 | 2012-11-28 | 中山惠利普电机有限公司 | Permanent magnet motor output shaft torque automatic sorting machine |
| CN103383293A (en) * | 2013-06-14 | 2013-11-06 | 西安工程大学 | Photoelectric torque measuring device and measuring method |
| CN103528741A (en) * | 2013-10-25 | 2014-01-22 | 中国科学院西安光学精密机械研究所 | Device and method for testing friction torque of bearing under actual working condition |
| CN103759869A (en) * | 2014-01-17 | 2014-04-30 | 中国科学院西安光学精密机械研究所 | Device and method for measuring friction torque of rotating shaft of rotary table |
| CN103975283A (en) * | 2011-12-08 | 2014-08-06 | 西门子公司 | Determining the Friction Component of a Drive System |
| CN104132766A (en) * | 2014-08-01 | 2014-11-05 | 昆山市创新科技检测仪器有限公司 | High-precision torque detection device |
| CN104977112A (en) * | 2015-07-09 | 2015-10-14 | 长春理工大学 | Precise shaft dynamic torque measuring instrument |
| CN105092131A (en) * | 2015-08-20 | 2015-11-25 | 苏州听毅华自动化设备有限公司 | Torsion testing mechanism |
| CN105277364A (en) * | 2015-11-02 | 2016-01-27 | 常熟长城轴承有限公司 | Bearing friction torque measuring 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 |
| CN106404659A (en) * | 2016-08-25 | 2017-02-15 | 辽宁科技学院 | Measuring device used for measuring friction coefficients of disk-type friction sheets, and measuring method thereof |
| CN111006864A (en) * | 2019-11-22 | 2020-04-14 | 中国航发西安动力控制科技有限公司 | Spline shaft flexibility detection method and detection tool |
-
2007
- 2007-02-15 CN CNU2007200895676U patent/CN201004011Y/en not_active Expired - Lifetime
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101226068B (en) * | 2008-02-01 | 2010-04-07 | 西安电子科技大学 | Dynamic friction parameter test system and test method |
| CN102507056A (en) * | 2011-11-09 | 2012-06-20 | 江苏帝达贝轴承有限公司 | Dynamic tracking measurement instrument for friction torque of rolling bearing |
| CN102507056B (en) * | 2011-11-09 | 2014-12-10 | 江苏帝达贝轴承有限公司 | Dynamic tracking measurement instrument for friction torque of rolling bearing |
| CN103975283A (en) * | 2011-12-08 | 2014-08-06 | 西门子公司 | Determining the Friction Component of a Drive System |
| CN103975283B (en) * | 2011-12-08 | 2016-08-24 | 普锐特冶金技术德国有限公司 | Determine the component of friction of drive system |
| CN102794270A (en) * | 2012-08-17 | 2012-11-28 | 中山惠利普电机有限公司 | Permanent magnet motor output shaft torque automatic sorting machine |
| CN103383293A (en) * | 2013-06-14 | 2013-11-06 | 西安工程大学 | Photoelectric torque measuring device and measuring method |
| CN103383293B (en) * | 2013-06-14 | 2015-08-26 | 西安工程大学 | Photo-electric torque measuring device and measuring method |
| CN103528741B (en) * | 2013-10-25 | 2015-12-30 | 中国科学院西安光学精密机械研究所 | Device and method for testing friction torque of bearing under actual working condition |
| CN103528741A (en) * | 2013-10-25 | 2014-01-22 | 中国科学院西安光学精密机械研究所 | Device and method for testing friction torque of bearing under actual working condition |
| CN103759869A (en) * | 2014-01-17 | 2014-04-30 | 中国科学院西安光学精密机械研究所 | Device and method for measuring friction torque of rotating shaft of rotary table |
| CN104132766A (en) * | 2014-08-01 | 2014-11-05 | 昆山市创新科技检测仪器有限公司 | High-precision torque detection device |
| CN104132766B (en) * | 2014-08-01 | 2017-01-11 | 昆山市创新科技检测仪器有限公司 | High-precision torque detection device |
| CN104977112A (en) * | 2015-07-09 | 2015-10-14 | 长春理工大学 | Precise shaft dynamic torque measuring instrument |
| CN104977112B (en) * | 2015-07-09 | 2017-05-31 | 长春理工大学 | Precision bearing system dynamic torque measuring instrument |
| CN105092131A (en) * | 2015-08-20 | 2015-11-25 | 苏州听毅华自动化设备有限公司 | Torsion testing mechanism |
| CN105277364A (en) * | 2015-11-02 | 2016-01-27 | 常熟长城轴承有限公司 | Bearing friction torque measuring 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 |
| CN106404659A (en) * | 2016-08-25 | 2017-02-15 | 辽宁科技学院 | Measuring device used for measuring friction coefficients of disk-type friction sheets, and measuring method thereof |
| CN111006864A (en) * | 2019-11-22 | 2020-04-14 | 中国航发西安动力控制科技有限公司 | Spline shaft flexibility detection method and detection tool |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080109 |
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| CX01 | Expiry of patent term |