CN201600209U - Device for measuring start-up frictional torque of joint bearing - Google Patents

Device for measuring start-up frictional torque of joint bearing Download PDF

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Publication number
CN201600209U
CN201600209U CN2009202972939U CN200920297293U CN201600209U CN 201600209 U CN201600209 U CN 201600209U CN 2009202972939 U CN2009202972939 U CN 2009202972939U CN 200920297293 U CN200920297293 U CN 200920297293U CN 201600209 U CN201600209 U CN 201600209U
Authority
CN
China
Prior art keywords
bearing
shaft
oscillating bearing
joint bearing
moment
Prior art date
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.)
Expired - Fee Related
Application number
CN2009202972939U
Other languages
Chinese (zh)
Inventor
高奋武
朱孔敏
李副来
李国斌
刘金秀
廖家祥
胡波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Luoyang Bearing Science and Technology Co Ltd
Original Assignee
Luoyang Bearing Science and Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Luoyang Bearing Science and Technology Co Ltd filed Critical Luoyang Bearing Science and Technology Co Ltd
Priority to CN2009202972939U priority Critical patent/CN201600209U/en
Application granted granted Critical
Publication of CN201600209U publication Critical patent/CN201600209U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a device for measuring the start-up frictional torque of a joint bearing. The device comprises a driving part, a transmission part, an electrical system and a computer, wherein the driving part comprises a motor and an auxiliary shaft system, the transmission part is connected at the output end of the auxiliary shaft system and the electrical system comprises a torque sensor. The measuring device further comprises a locking mechanism used for fixing the outer ring of the joint bearing to be detected. The transmission part comprises a precision measurement shaft system, a transmission shaft and a support shaft; and the torque sensor is arranged on the transmission shaft. The electrical system further comprises an angle sensor arranged on the transmission shaft. The device can effectively and quantitatively measure the performance indexes of the joint bearing, including the start-up frictional torque and the rotation flexibility, provides reliable measurement and analysis data for the study on the influence factors of the start-up frictional property of the joint bearing, and sequentially improves the factors affecting the frictional torque of the joint bearing, such as the joint bearing-related parameters, the technical process, lubrication and other influence factors, thereby improving the quality of the joint bearing.

Description

Oscillating bearing starting friction torgue measurement instrument
Technical field
The utility model relates to a kind of oscillating bearing starting friction torgue measurement instrument.
Background technology
The moment of friction of oscillating bearing and flexibility of revolution are oscillating bearing dynamic property important technology indexs, and its moment of friction size and undulating quantity directly have influence on life-span, stability and the reliability of oscillating bearing.Because the self structure characteristics of oscillating bearing are easy to generate uneven wear and card is stung phenomenon, finally cause operating malfunctioning, have a strong impact on the security and the reliability of the equipment that uses oscillating bearing.The oscillating bearing moment of friction is owing to be subjected to the combined action of various influence factors, and its moment values presents a kind of at random, non-stable cyclical variation.Randomness, complicacy in view of moment of friction are difficult to try to achieve its exact value with theory analysis method, and therefore, quantitative measurment oscillating bearing starting friction moment has great significance to oscillating bearing moment of friction experimental study.
The Chinese patent application publication number is that the patent of invention of CN101458136A discloses a kind of thrust bearing friction torque measuring method and measuring instrument, described measuring instrument comprises charger, drive unit, electrical system and computing machine, air spindle in the attachment means is connected with torque sensor, charger and drive unit provide instruction by the computing machine in the data handling system, and control automatically by electrical system, the signal of torque sensor is by data handling system collection and processing.Described charger is by air spindle, air bearing, cylinder body and go up platen, air spindle places in the cylinder body by two air bearing, the upper end coupling torque sensor of air spindle, its lower end connect goes up platen, last platen can with end in contact on the thrust bearing to be measured; Described drive unit is by platen, the close pearl axle of supporting, supporting sleeve, servomotor, step disk and belt wheel and synchronous band constitute down, servomotor rotates by belt wheel and the close pearl axle of the supporting of band driving synchronously, support close pearl shaft flange end and be connected with down platen, place thrust bearing to be measured on the following platen.
During measurement tested thrust bearing is placed between charger and the drive unit, attachment means is connected with torque sensor, computing machine sends load instructions to charger the measured bearing upper end is applied axial load, sending rotation command to drive unit again rotates to drive the measured bearing lower end, because there is moment of friction M in measured bearing inside, its upper end trend that also can rotate when rotating in its lower end, M is delivered to torque sensor with moment of friction, the moment of friction N that torque sensor produces will hinder tested thrust bearing upper end and rotate, and keep mobile equilibrium with moment of friction M, torque sensor is delivered to computing machine with measured moment of friction n-signal then, and computing machine is gathered and pre-service tested thrust bearing friction torque N data.
But oscillating bearing can not rotate under the effect of upper and lower platen, and this measuring instrument can not be used to measure oscillating bearing.
The utility model content
The purpose of this utility model provides a kind of oscillating bearing starting friction torgue measurement instrument, use the starting friction moment that this measuring instrument can the quantitative measurment oscillating bearing, analyze data for analysis of joint bearing starting friction Effect on Performance factor provides reliable detection.
The technical solution of the utility model is: oscillating bearing starting friction torgue measurement instrument, comprise the drive part that produces driving moment, be used for driving moment is passed to the running part of bearing to be measured, electrical system and computing machine, described drive part comprises motor and asessory shaft system, described running part is connected the output terminal of asessory shaft system, described electrical system comprises torque sensor, described measuring instrument also comprises the latch mechanism that is used for fixing oscillating bearing to be measured outer ring, described running part comprises with asessory shaft being the precision measurement axle system of coaxial relative spacing setting, transmission shaft between asessory shaft system and precision measurement axle system is in transmission connection, with precision measurement axle system being used for of being in transmission connection back shaft with bearing inner race interference fit to be measured, described torque sensor is arranged on the transmission shaft, and described electrical system also comprises the angular transducer that is arranged on the transmission shaft.
Described asessory shaft is to be connected with drive of motor by belt.
Described precision measurement axle is to comprise that air bearing and air spindle, described air bearing are fixedly installed on the support, and this air spindle rotates and is assemblied in the described air bearing.
Also be provided with a guide rail on the described support, described latch mechanism is slidedly assemblied on the described guide rail.
The utility model adopts direct method to measure oscillating bearing starting friction moment, drive part is delivered to oscillating bearing inner ring to be measured by transmission shaft, precision measurement axle system, back shaft with driving moment, progressively strengthen driving moment, reach starting state up to oscillating bearing, this moment, angular transducer detected status signal, the moment values of the current torque sensor of computer recording, when the moment of friction of oscillating bearing was unique loading moment of driving moment, then current torque sensor measured value was the moment of friction value of oscillating bearing.Adopt the effectively performance index of detection by quantitative oscillating bearing starting friction moment and flexibility of revolution of the utility model, for providing reliable detection, analysis of joint bearing starting friction Effect on Performance factor analyzes data, improve oscillating bearing successively and relate to parameter, improve processing technology and the factor that influence the oscillating bearing moment of friction such as lubricated, thus the quality of raising oscillating bearing.
Latch mechanism is installed on the guide rail, can adjusts the position of latch mechanism according to the range of size of oscillating bearing, thereby can enlarge usable range of the present utility model.
Description of drawings
Fig. 1 is the utility model electric control theory figure;
Fig. 2 is the utility model structural representation.
Embodiment
Figure 1 shows that the electric control theory figure of the utility model oscillating bearing starting friction torgue measurement instrument, rotate by the control circuit drive motor, motor output drive strength square M, driving moment M is delivered on the oscillating bearing through a series of mechanical transmissioning pieces, by progressively increasing output torque, reach starting state up to oscillating bearing, this moment, angular transducer monitored status signal, the moment values of the current torque sensor of computer recording.
As shown in Figure 1, drive part and measurement links are formed a closed-loop measuring process by angular transducer, can effectively satisfy the instantaneous measurement requirement.
Figure 2 shows that the structural representation of the utility model oscillating bearing starting friction torgue measurement instrument, oscillating bearing starting friction torgue measurement instrument comprises the drive part that produces driving moment, be used for driving moment is passed to the running part of bearing to be measured, the latch mechanism that is used for fixing the oscillating bearing outer ring, electrical system and computing machine, described drive part comprises that the motor 12 and the asessory shaft that are arranged on the base 14 are 13, described motor 12 and asessory shaft are to be in transmission connection by timing belt pulley 11 between 13, and this asessory shaft is that 13 output terminal is in transmission connection by the transmission shaft 16 of shaft coupling 10 with running part; Described running part comprises with asessory shaft being the precision measurement axle system of 13 coaxial relative spacings settings, be in transmission connection in asessory shaft be 13 and precision measurement axle system between transmission shaft 16, with precision measurement axle system being used for of being in transmission connection back shaft 3 with bearing inner race interference fit to be measured, be set with torque sensor 8 and angular transducer 7 on the described transmission shaft 16, described torque sensor 8 and angular transducer 7 are installed on the sensor stand 9, transmission shaft 16 1 ends are connected with the precision measurement axle system of running part by adapter sleeve 6, this precision measurement axle system comprises air bearing 4 and the air spindle 17 that is fixedly installed on the support 15, described air spindle 17 rotates and is assemblied in the air bearing 4, described air spindle 17 1 ends are in transmission connection by adapter sleeve 6 and transmission shaft 16, and the other end is in transmission connection and is useful on the back shaft 3 that cooperates with the transmission of oscillating bearing inner ring; Also be installed with a guide rail 5 on this support 15, described latch mechanism 2 is slidedly assemblied on the guide rail 5.
During work, control circuit drive motor 12 starts, driving asessory shaft by synchronous belt 11 is 13 rotations, asessory shaft is 13 to apply driving moment to transmission shaft 16, driving moment is delivered on the back shaft 3 through precision measurement axle system, be delivered on the oscillating bearing inner ring 1 by back shaft 3 again, by progressively increasing the output torque, when oscillating bearing reaches starting state, angular transducer 7 monitors status signal, the moment values of the current torque sensor 8 of computer recording, when the moment of friction of oscillating bearing during unique loading moment of driving moment, the measured value of the current torque sensor moment of friction value of oscillating bearing very then.
Adopt air bearing, the starting friction moment of its air spindle and air bearing can be ignored compared with oscillating bearing starting friction moment.
Adopt this measuring instrument to measure oscillating bearing starting friction moment, the signal of torque sensor is delivered to computing machine through the electric measurement circuit, after machine is handled as calculated, draw oscillating bearing starting friction moment values, measure maximal value, mean value and the moment variations value that can draw the bearing staring torque behind the multiple spot then.

Claims (4)

1. oscillating bearing starting friction torgue measurement instrument, comprise the drive part that produces driving moment, be used for driving moment is passed to the running part of bearing to be measured, electrical system and computing machine, described drive part comprises motor and asessory shaft system, described running part is connected the output terminal of asessory shaft system, described electrical system comprises torque sensor, it is characterized in that: described measuring instrument also comprises the latch mechanism that is used for fixing oscillating bearing to be measured outer ring, described running part comprises with asessory shaft being the precision measurement axle system of coaxial relative spacing setting, transmission shaft between asessory shaft system and precision measurement axle system is in transmission connection, with precision measurement axle system being used for of being in transmission connection back shaft with bearing inner race interference fit to be measured, described torque sensor is arranged on the transmission shaft, and described electrical system also comprises the angular transducer that is arranged on the transmission shaft.
2. oscillating bearing starting friction torgue measurement instrument according to claim 1 is characterized in that: described asessory shaft is to be connected with drive of motor by belt.
3. oscillating bearing starting friction torgue measurement instrument according to claim 2, it is characterized in that: described precision measurement axle is to comprise air bearing and air spindle, described air bearing is fixedly installed on the support, and this air spindle rotates and is assemblied in the described air bearing.
4. oscillating bearing starting friction torgue measurement instrument according to claim 3, it is characterized in that: also be provided with a guide rail on the described support, described latch mechanism is slidedly assemblied on the described guide rail.
CN2009202972939U 2009-12-25 2009-12-25 Device for measuring start-up frictional torque of joint bearing Expired - Fee Related CN201600209U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009202972939U CN201600209U (en) 2009-12-25 2009-12-25 Device for measuring start-up frictional torque of joint bearing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009202972939U CN201600209U (en) 2009-12-25 2009-12-25 Device for measuring start-up frictional torque of joint bearing

Publications (1)

Publication Number Publication Date
CN201600209U true CN201600209U (en) 2010-10-06

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Application Number Title Priority Date Filing Date
CN2009202972939U Expired - Fee Related CN201600209U (en) 2009-12-25 2009-12-25 Device for measuring start-up frictional torque of joint bearing

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102410898A (en) * 2011-08-12 2012-04-11 洛阳轴研科技股份有限公司 Test method for friction torque of back-to-back pairing minitature ball bearing under application of axial loads
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
CN104748898A (en) * 2013-12-31 2015-07-01 贵州航天乌江机电设备有限责任公司 Method and device for measuring actual static frictional torque of rolling bearing
CN105092248A (en) * 2015-08-20 2015-11-25 扬州康派尔机械科技有限公司 Electric type deep groove ball bearing flexibility test device
CN105466678A (en) * 2015-11-30 2016-04-06 北京卫星制造厂 Harmonic gear reducer starting torque and friction resistance torque testing system and method
CN105698989A (en) * 2016-01-07 2016-06-22 奇瑞汽车股份有限公司 Friction moment measuring device used for sliding column
CN111595580A (en) * 2020-04-14 2020-08-28 清华大学 Radial spherical plain bearing friction performance test system

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102410898A (en) * 2011-08-12 2012-04-11 洛阳轴研科技股份有限公司 Test method for friction torque of back-to-back pairing minitature ball bearing under application of axial loads
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
CN104748898A (en) * 2013-12-31 2015-07-01 贵州航天乌江机电设备有限责任公司 Method and device for measuring actual static frictional torque of rolling bearing
CN105092248A (en) * 2015-08-20 2015-11-25 扬州康派尔机械科技有限公司 Electric type deep groove ball bearing flexibility test device
CN105466678A (en) * 2015-11-30 2016-04-06 北京卫星制造厂 Harmonic gear reducer starting torque and friction resistance torque testing system and method
CN105466678B (en) * 2015-11-30 2018-01-05 北京卫星制造厂 Harmonic gear reducer staring torque and frictional resistance moment test system and method
CN105698989A (en) * 2016-01-07 2016-06-22 奇瑞汽车股份有限公司 Friction moment measuring device used for sliding column
CN105698989B (en) * 2016-01-07 2019-01-25 奇瑞汽车股份有限公司 Measurement of friction torque device for traveller
CN111595580A (en) * 2020-04-14 2020-08-28 清华大学 Radial spherical plain bearing friction performance test system

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20101006

Termination date: 20171225