CN108414229A - A kind of automatic type deep groove ball bearing wear-out life testing machine - Google Patents

A kind of automatic type deep groove ball bearing wear-out life testing machine Download PDF

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Publication number
CN108414229A
CN108414229A CN201810417871.1A CN201810417871A CN108414229A CN 108414229 A CN108414229 A CN 108414229A CN 201810417871 A CN201810417871 A CN 201810417871A CN 108414229 A CN108414229 A CN 108414229A
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China
Prior art keywords
groove ball
deep groove
bearing
ball bearing
workbench
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CN201810417871.1A
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CN108414229B (en
Inventor
余光伟
吴瑞
姚远
扶林
吴亮亮
赵婷
沈彩怡
王晴
李银为
方党生
夏炜
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University of Shanghai for Science and Technology
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University of Shanghai for Science and Technology
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Priority to CN201810417871.1A priority Critical patent/CN108414229B/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00Testing of machine parts
    • G01M13/04Bearings
    • G01M13/045Acoustic or vibration analysis
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02Details
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/56Investigating resistance to wear or abrasion

Abstract

The present invention relates to a kind of automatic type deep groove ball bearing wear-out life testing machines, including rack, axial Pneumatic loading, drive system, motor cabinet, clamping screw, stabilizer blade, motor, oil lubrication system, heating device, industrial personal computer, charge amplifier, sensor, speaker, data acquistion and control system.Rotating speed and load adjustable of the present invention may be particularly useful for miniature and small-sized deep groove ball bearing vibration measurement and wear-out life test.It is more to can measure bear vibration parameter(Virtual value, peak value, peak factor and the umber of pulse etc. of low frequency, intermediate frequency, high frequency and passband), vibration threshold values can be set, when the vibration values measured are more than the vibration threshold values of setting, it is believed that bearing has reached wear-out life, wear-out life testing machine meeting automatic shutdown, it is ensured that safety.

Description

A kind of automatic type deep groove ball bearing wear-out life testing machine
Technical field
The present invention relates to a kind of automatic type deep groove ball bearing wear-out life testing machines, belong to machine design and manufacture field.
Background technology
Deep groove ball bearing is that a kind of extremely wide bearing products is applied in industry, it is by outer ring, inner ring, rolling element and guarantor Frame composition is held, there is good starting performance and bearing capacity;It is incorporated in the fields such as automobile, motor, engineering machinery extensively.It is low to shake Dynamic, super-silent bearing has been increasingly becoming the trend in market, the deep-groove ball axis used in the equipment such as air-conditioning, refrigerator, washing machine It promises and keeps low vibration, low noise for a long time, discomfort is caused to avoid to the staff in working environment.How bearing guarantor is measured Hold low vibration, the time of low noise has become an important topic of bearing industry.Due to used in these occasions The load that bearing is born is typically small, and fatigue rupture will not generally occur, therefore, keep low vibration, low noise time be For wear-out life.However, at home and abroad there is no the testing machines that complete integrating measures vibration and research wear-out life at present. Currently, it is typically that deep groove ball bearing is placed on high temperature and high speed chamber to measure bearing to keep low vibration, the method for low noise time In, it is operated under high temperature and certain Axial Loads;Bearing is taken out after operating a period of time, on vibration measuring set It carries out vibration measurement and records data.The shortcomings that this method is to need manual intervention, and efficiency is low, measurement parameter is few, between measurement It is not accurate enough every uneven and measurement result.
Invention content
In view of the defects existing in the prior art, a kind of the object of the present invention is to provide performances stable, axially loaded, user Just automatic type deep groove ball bearing wear-out life testing machine.The present invention integrates load test and vibration measurement, measurement parameter Complete, record data break is uniform, and measurement result is accurate, can be with automatic shutdown when reaching the wear condition of setting.
In order to achieve the above objectives, the present invention adopts the following technical scheme that:
A kind of automatic type deep groove ball bearing wear-out life testing machine, including rack, motor cabinet, axial loading device, industry control are mechanical, electrical Lotus amplifier and speaker, acceleration transducer retaining mechanism, sleeve and vibration-sensing rod, oil lubrication import, drive system, electric appliance peace Loading board, workbench, motor, fuel tank, stabilizer blade, wherein the axial loading device is in the upside and the rightmost side of workbench, with main shaft Alignment is placed;The motor cabinet is in the downside of workbench;The industrial personal computer, charge amplifier and speaker are placed on the upper of workbench On portion's supporting plate;It is connected by signal wire between industrial personal computer, charge amplifier and speaker;The acceleration transducer retaining mechanism is set The vertical direction in drive system is set, to fixed experiment sensor used;The sleeve and vibration-sensing rod are passed by acceleration Sensor retaining mechanism is fixed on the vertical direction of mandrel;The motor is fixed on the top of motor cabinet, using DC speed regulation to it Rotating speed is controlled;Oil lubrication import is arranged on the right side of drive system, for the lubrication to drive system;The driving system System is placed on workbench;The lower section of the appliance mounting panel work platform for placing;The fuel tank is placed in the lower section of testing machine, Lubricating oil is transported to oil lubrication import by oil pump;The stabilizer blade is connected through a screw thread mounted on the bottom of rack.
The drive system includes mandrel, main shaft, right end cap and thrust bearing, right three lobe bearing, pedestal, the oily leaf in a left side three Bearing, left end cap and thrust bearing, belt wheel, oil groove;The mandrel is compressed it by pressure in the bellmouth of main shaft;It is described Main shaft is rotated by left and right end cap and thrust bearing and being supported on pedestal for left and right three lobe bearing, described left and right End cap and thrust bearing are coupled by bolt with pedestal;It is axial fixed that the left and right three lobe bearing is carried out by positioning pin Position, and supports main shaft rotates;The belt wheel is fixed by screws in the left end of main shaft, is turned by V belt translation driving spindle Dynamic, the oil groove design is in base interior, for being lubricated to entire main shaft.
Further, further include heating device, the heating device includes mainly heater box, deep groove ball bearing, heater Hardware device and thermostat;The heater box is assembled by circular hole and deep groove ball bearing, and to deep groove ball bearing It is heated;Temperature value of the heater hardware device set by thermostat heats heater box, entire to add Thermal is horizontal positioned on the table.
The axial loading device includes mainly air filter, pressure reducing valve, reversal valve, axial loading device fixation branch Seat, loading head, support with adjustable, load beam, cylinder and Measuring hook;The import P of the reversal valve and the outlet of pressure reducing valve Road is connected, and the import of pressure reducing valve is connected with the export pipeline of air filter;The import of the air filter and air inlet pipe phase Even;The front and rear part of the cylinder is connected with the outlet A of reversal valve and outlet B respectively;The Measuring hook is threaded solid It is scheduled on the right end of cylinder piston rod, convenient for the accurate size for measuring axial load;The cylinder is fixed on work by hold-down support Make on platform, be connected with load beam by the piston rod in cylinder, load beam is axially moved by support with adjustable, and will be axial Power is applied to by loading head on bearing outer ring;The axial loading device hold-down support, which is threaded, is fixed on workbench On;The support with adjustable, which is threaded, to be fixed on axial loading device hold-down support, by adjusting fixed position The stroke of loading head is adjusted, to meet the needs of rolling bearing wear-out life experiment.
Compared with prior art, the beneficial effects of the invention are as follows:
Rotating speed and load adjustable of the present invention, especially suitable for miniature and small-sized deep groove ball bearing vibration measurement and wear-out life Test.It is more to can measure bear vibration parameter(Virtual value, peak value, peak factor and the umber of pulse of low frequency, intermediate frequency, high frequency and passband Deng);Vibration threshold values can be set, when the vibration values measured are more than the vibration threshold values of setting, it is believed that bearing has reached wear-out life, Wear-out life testing machine meeting automatic shutdown, it is ensured that safety.
Description of the drawings
Fig. 1 is a kind of automatic type deep groove ball bearing wear-out life testing machine front view.
Fig. 2 is a kind of automatic type deep groove ball bearing wear-out life testing machine left view.
Fig. 3 is drive system schematic diagram.
Fig. 4 is heating device schematic diagram.
Fig. 5 is axial loading device schematic diagram.
Fig. 6 is a kind of automatic type deep groove ball bearing wear-out life testing machine schematic diagram.
Specific implementation mode
Below in conjunction with the accompanying drawings, specific embodiments of the present invention are described further.
Referring to attached drawing 1 and attached drawing 2, a kind of automatic type deep groove ball bearing wear-out life testing machine of the present embodiment, including machine Frame 1, motor cabinet 2, axial loading device 3, industrial personal computer 4, charge amplifier(Under)And speaker(On)5, acceleration transducer is locked Mechanism 6, sleeve and vibration-sensing rod 7, oil lubrication import 8, drive system 9, appliance mounting panel used 10, workbench 11, motor 12, Fuel tank 13, stabilizer blade 14, wherein the axial loading device 3 is aligned with main shaft 16 and puts in the upside and the rightmost side of workbench 11 It sets;The motor cabinet 2 is in the downside of workbench 11;The industrial personal computer 4, charge amplifier and speaker 5 are placed on workbench 11 In upper pallet;It is connected by signal wire between industrial personal computer 4, charge amplifier and speaker 5;The acceleration transducer locks machine The vertical direction in drive system 9 is arranged in structure 6, to fixed experiment sensor used;The sleeve and vibration-sensing rod 7 are by adding Velocity sensor retaining mechanism 6 is fixed on the vertical direction of mandrel 15;The motor 12 is fixed on the top of motor cabinet 2, uses DC speed regulation controls its rotating speed;Oil lubrication import 8 is arranged on the right side of drive system 9, for drive system 9 Lubrication;The drive system 9 is placed on workbench 11;The lower section of 10 work platform for placing 11 of the appliance mounting panel;It is described Fuel tank 13 is placed in the lower section of testing machine, and lubricating oil is transported to oil lubrication import 8 by oil pump;The stabilizer blade 14 passes through It is threadedly coupled mounted on the bottom of rack 1.
Referring to attached drawing 3, the drive system 9 of the present embodiment includes mandrel 15, main shaft 16, right end cap and thrust bearing 17, the right side Three lobe bearing 18, pedestal 19, left three lobe bearing 20, left end cap and thrust bearing 21, belt wheel 22, oil groove 23;The mandrel 15 are compressed it by pressure in the bellmouth of main shaft 16;The main shaft 16 passes through left and right end cap and thrust bearing 21,17 and Being supported on pedestal 19 for left and right three lobe bearing 20,18 is rotated, and the left and right end cap and thrust bearing 21,17 pass through Bolt is coupled with pedestal 19;The left and right three lobe bearing 20,18 carries out axially position by positioning pin, and supports master Axis 16 rotates;The belt wheel 22 is fixed by screws in the left end of main shaft 16, is rotated by V belt translation driving spindle 16, The oil groove 23 is designed in base interior, for being lubricated to entire main shaft 16.
Further include heating device referring to attached drawing 4, the heating device includes mainly heater box 24, deep groove ball bearing 25, adds Hot device hardware device 26 and thermostat 27;The heater box 24 is assembled by circular hole and deep groove ball bearing 25, and Deep groove ball bearing 25 is heated;Temperature value pair of the heater hardware device 26 set by thermostat 27 Heater box 24 heats, and entire heating device is lain in a horizontal plane on workbench 11.
Referring to attached drawing 5, the axial loading device 3 of the present embodiment includes mainly air filter 28, pressure reducing valve 29, reversal valve 30, axial loading device hold-down support 31, loading head 32, support with adjustable 33, load beam 34, cylinder 35 and Measuring hook 36; The import P of the reversal valve 30 is connected with the export pipeline of pressure reducing valve 29, the import of pressure reducing valve 29 and going out for air filter 28 Mouth pipeline is connected;The import of the air filter 28 is connected with air inlet pipe;The front and rear part of the cylinder 35 respectively with reversal valve 30 outlet A is connected with outlet B;The Measuring hook 36 is threaded the right end for being fixed on 35 piston rod of cylinder, is convenient for The accurate size for measuring axial load;The cylinder 35 is fixed on by hold-down support on workbench 11, and the work in cylinder is passed through Stopper rod is connected with load beam 34, and load beam 34 is axially moved by support with adjustable 33, and axial force is passed through loading head 32 It is applied on bearing outer ring;The axial loading device hold-down support 31, which is threaded, to be fixed on workbench 11;It is described Support with adjustable 33, which is threaded, to be fixed on axial loading device hold-down support 31, is adjusted by adjusting fixed position The stroke for saving loading head 32, to meet the needs of rolling bearing wear-out life experiment.
Referring to attached drawing 6, the electric signal that charge amplifier is used to pick up sensor amplifies and carries out low-pass filtering, through data Capture card is sent into industrial personal computer 4.Charge amplifier is additionally provided with monitoring circuit, for operator when necessary to the sound quality of measurement bearing It is monitored.The program of promising pilot development is installed, the vibration that can calculate basic, normal, high three frequency ranges accelerates in industrial personal computer 4 Degree virtual value, peak value, peak factor and umber of pulse are simultaneously shown, can periodically automatically save measurement number with setting time interval According to.

Claims (4)

1. a kind of automatic type deep groove ball bearing wear-out life testing machine, which is characterized in that including rack(1), motor cabinet(2), axis To loading device(3), industrial personal computer(4), charge amplifier and speaker(5), acceleration transducer retaining mechanism(6), sleeve and biography Shake bar(7), oil lubrication import(8), drive system(9), appliance mounting panel(10), workbench(11), motor(12), fuel tank (13), stabilizer blade(14), wherein the axial loading device(3)In workbench(11)Upside and the rightmost side, with main shaft(16)It is right Standard is placed;The motor cabinet(2)In workbench(11)Downside;The industrial personal computer(4), charge amplifier and speaker(5)It places In workbench(11)Upper pallet on;Industrial personal computer(4), charge amplifier and speaker(5)Between connected by signal wire;It is described Acceleration transducer retaining mechanism(6)It is arranged in drive system(9)Vertical direction, to fixed experiment sensor used; The sleeve and vibration-sensing rod(7)Pass through acceleration transducer retaining mechanism(6)It is fixed on mandrel(15)Vertical direction;The electricity Machine(12)It is fixed on motor cabinet(2)Top, its rotating speed is controlled using DC speed regulation;Oil lubrication import(8)Setting In drive system(9)Right side, for drive system(9)Lubrication;The drive system(9)It is placed in workbench(11) On;The appliance mounting panel(10)Work platform for placing(11)Lower section;The fuel tank(13)It is placed in the lower section of testing machine, is passed through Lubricating oil is transported to oil lubrication import by oil pump(8);The stabilizer blade(14)It is connected through a screw thread and is mounted on rack(1)Bottom Portion.
2. a kind of automatic type deep groove ball bearing wear-out life testing machine according to claim 1, which is characterized in that the driving System(9)Including mandrel(15), main shaft(16), right end cap and thrust bearing(17), right three lobe bearing(18), pedestal(19)、 Left three lobe bearing(20), left end cap and thrust bearing(21), belt wheel(22), oil groove(23);The mandrel(15)Pass through pressure It compresses it in main shaft(16)Bellmouth in;The main shaft(16)Pass through left and right end cap and thrust bearing(21、17)With it is left, Right three lobe bearing(20、18)Be supported on pedestal(19)On rotated, the left and right end cap and thrust bearing(21、17) Pass through bolt and pedestal(19)Coupled;The left and right three lobe bearing(20、18)Axially position is carried out by positioning pin, And supports main shaft(16)It rotates;The belt wheel(22)It is fixed by screws in main shaft(16)Left end, pass through V belt translation Driving spindle(16)Rotation, the oil groove(23)Design is in base interior, for entire main shaft(16)It is lubricated.
3. a kind of automatic type deep groove ball bearing wear-out life testing machine according to claim 1, which is characterized in that further include adding Thermal, the heating device include mainly heater box(24), deep groove ball bearing(25), heater hardware device(26)And temperature Device is set(27);The heater box(24)Pass through circular hole and deep groove ball bearing(25)It is assembled, and to deep groove ball bearing (25)It is heated;The heater hardware device(26)According to thermostat(27)Set temperature value is to heater box (24)Heating, entire heating device lie in a horizontal plane in workbench(11)On.
4. a kind of automatic type deep groove ball bearing wear-out life testing machine according to claim 1, which is characterized in that the axial direction Loading device(3)It include mainly air filter(28), pressure reducing valve(29), reversal valve(30), axial loading device hold-down support (31), loading head(32), support with adjustable(33), load beam(34), cylinder(35)And Measuring hook(36);The reversal valve (30)Import P and pressure reducing valve(29)Export pipeline be connected, pressure reducing valve(29)Import and air filter(28)Outlet Pipeline is connected;The air filter(28)Import be connected with air inlet pipe;The cylinder(35)Front and rear part respectively with commutation Valve(30)Outlet A with outlet B be connected;The Measuring hook(36)It is threaded and is fixed on cylinder(35)The right side of piston rod End, convenient for the accurate size for measuring axial load;The cylinder(35)It is fixed on workbench by hold-down support(11)On, pass through Piston rod in cylinder and load beam(34)It is connected, load beam(34)Pass through support with adjustable(33)It axially moves, and by axis Pass through loading head to power(32)It is applied on bearing outer ring;The axial loading device hold-down support(31)It is threaded solid It is scheduled on workbench(11)On;The support with adjustable(33)It is threaded and is fixed on axial loading device hold-down support(31) On, adjust loading head by adjusting fixed position(32)Stroke, with meet rolling bearing wear-out life experiment the needs of.
CN201810417871.1A 2018-05-04 2018-05-04 Automatic wear life testing machine for deep groove ball bearings Active CN108414229B (en)

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CN201810417871.1A CN108414229B (en) 2018-05-04 2018-05-04 Automatic wear life testing machine for deep groove ball bearings

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Application Number Priority Date Filing Date Title
CN201810417871.1A CN108414229B (en) 2018-05-04 2018-05-04 Automatic wear life testing machine for deep groove ball bearings

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CN108414229B CN108414229B (en) 2020-03-13

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109540521A (en) * 2019-01-21 2019-03-29 三峡大学 A kind of ball bearing abrasion original reason test platform
CN110132575A (en) * 2019-05-14 2019-08-16 重庆大学 A kind of test platform of ball screw system wear-out life
CN111397900A (en) * 2020-05-06 2020-07-10 贵州航天林泉电机有限公司 Bearing life accelerated test device

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Publication number Priority date Publication date Assignee Title
CN102175544A (en) * 2010-12-25 2011-09-07 中北大学 Frictional wear simulation test bench of wobble friction pair
CN103278412A (en) * 2013-05-23 2013-09-04 浙江工业大学 Low-load friction-wear test device
CN105222880A (en) * 2015-10-03 2016-01-06 上海大学 Needle roller thrust bearing vibration acceleration measuring instrument
CN205748902U (en) * 2016-07-05 2016-11-30 济南时代试金试验机有限公司 A kind of multifunction friction wear testing machine

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CN102175544A (en) * 2010-12-25 2011-09-07 中北大学 Frictional wear simulation test bench of wobble friction pair
CN103278412A (en) * 2013-05-23 2013-09-04 浙江工业大学 Low-load friction-wear test device
CN105222880A (en) * 2015-10-03 2016-01-06 上海大学 Needle roller thrust bearing vibration acceleration measuring instrument
CN205748902U (en) * 2016-07-05 2016-11-30 济南时代试金试验机有限公司 A kind of multifunction friction wear testing machine

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109540521A (en) * 2019-01-21 2019-03-29 三峡大学 A kind of ball bearing abrasion original reason test platform
CN109540521B (en) * 2019-01-21 2021-03-23 三峡大学 Ball bearing wearing principle test bed
CN110132575A (en) * 2019-05-14 2019-08-16 重庆大学 A kind of test platform of ball screw system wear-out life
CN111397900A (en) * 2020-05-06 2020-07-10 贵州航天林泉电机有限公司 Bearing life accelerated test device

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