CN107024353A - A kind of sealed bearings combination property simulation test machine - Google Patents
A kind of sealed bearings combination property simulation test machine Download PDFInfo
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- CN107024353A CN107024353A CN201710329142.6A CN201710329142A CN107024353A CN 107024353 A CN107024353 A CN 107024353A CN 201710329142 A CN201710329142 A CN 201710329142A CN 107024353 A CN107024353 A CN 107024353A
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- 238000004088 simulation Methods 0.000 title claims abstract description 79
- 238000012360 testing method Methods 0.000 title claims abstract description 78
- 239000000428 dust Substances 0.000 claims abstract description 70
- 230000007613 environmental effect Effects 0.000 claims abstract description 68
- 238000002474 experimental method Methods 0.000 claims abstract description 38
- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 230000005540 biological transmission Effects 0.000 claims description 17
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- 238000012545 processing Methods 0.000 claims description 10
- 125000006850 spacer group Chemical group 0.000 claims description 10
- 150000001875 compounds Chemical class 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000004458 analytical method Methods 0.000 claims description 7
- 238000005057 refrigeration Methods 0.000 claims description 7
- 239000000523 sample Substances 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 6
- 238000011156 evaluation Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- UNILWMWFPHPYOR-KXEYIPSPSA-M 1-[6-[2-[3-[3-[3-[2-[2-[3-[[2-[2-[[(2r)-1-[[2-[[(2r)-1-[3-[2-[2-[3-[[2-(2-amino-2-oxoethoxy)acetyl]amino]propoxy]ethoxy]ethoxy]propylamino]-3-hydroxy-1-oxopropan-2-yl]amino]-2-oxoethyl]amino]-3-[(2r)-2,3-di(hexadecanoyloxy)propyl]sulfanyl-1-oxopropan-2-yl Chemical compound O=C1C(SCCC(=O)NCCCOCCOCCOCCCNC(=O)COCC(=O)N[C@@H](CSC[C@@H](COC(=O)CCCCCCCCCCCCCCC)OC(=O)CCCCCCCCCCCCCCC)C(=O)NCC(=O)N[C@H](CO)C(=O)NCCCOCCOCCOCCCNC(=O)COCC(N)=O)CC(=O)N1CCNC(=O)CCCCCN\1C2=CC=C(S([O-])(=O)=O)C=C2CC/1=C/C=C/C=C/C1=[N+](CC)C2=CC=C(S([O-])(=O)=O)C=C2C1 UNILWMWFPHPYOR-KXEYIPSPSA-M 0.000 description 5
- 238000013461 design Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
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- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000002929 anti-fatigue Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
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Abstract
The present invention relates to a kind of sealed bearings combination property simulation test machine, it belongs to bearing performance testing field.The present invention includes bearing test unit, driver element, loading unit, environmental simulation system and control system, and bearing test unit is arranged in the environmental cabinet of environmental simulation system, is arranged on driver element on same flat board, and be connected with loading unit；Driver element is arranged on the left of environmental cabinet；Loading unit includes radial loaded mechanism and axially loaded mechanism；Environmental simulation system includes environmental cabinet, High Temperature Simulation unit, low temperature analogue unit, humidity simulation unit and dust analogue unit；Control system is connected with driver element, loading unit, environmental simulation system, Control experiment rotating speed, test load, test ambient temperature, experimental enviroment humidity and experimental enviroment dust concentration.The present invention is rational in infrastructure, and simulation operating mode is complete, and test effect is good, easy to operate, meets sealed bearings comprehensive performance evaluation demand.
Description
Technical field
The present invention relates to bearing performance testing field, more particularly, to a kind of mould for sealed bearings synthetic performance evaluation
Intend pilot system, including high speed performance, high and low temperature resistance, moisture-resistant hot property and the anti-dust performance etc. of bearing use the longevity with bearing
The closely related dynamic property of life.
Background technology
At present, the rolling bearing for having 80% uses grease lubrication, and 80% bearing is had more than in grease lubricating bearing for seal shaft
Hold.Due to bearing application operating mode and the diversity of application environment, cause the diversity of its performance requirement, such as heavy-duty applications operating mode
Anti-fatigue performance, high speed performance of high-speed applications operating mode etc., but these performances and application environment are closely related, with high-speed sealing axle
Exemplified by the high speed performance held, although realize high speed performance, but some application rings under home application by high speed design
Under border, such as in hot environment, low temperature environment, or even high/low temperature alternation environment, sometimes can also be with hygrothermal environment or dust environment
Deng the even sealed bearings of high speed design can be also quickly invalidated, and not reach long-life requirement, and people are taking high speed design
While, understand the application environment according to bearing, by the change in terms of part Technology for Heating Processing, design of Sealing Structure, so that
The service life of bearing meets the requirement of equipment life-cycle.
People are highly desirable a kind of bearings synthesis performance simulation testing machine, by bearing in simulated environment, simulation operating mode
Under reinforcing operation, evaluate the service life of bearing；Or by single environment, the simulation of individual event operating mode, search service life
The main cause of use requirement can not be met, is the lifting of bearing service life under the environment, the operating mode, and the environment,
The operating mode provides technical support using the selection of bearing supplier.
Publication date is on November 09th, 2016, in Publication No. 106092576A Chinese patent, discloses a kind of title
For the patent of invention of " multifunction bearing pilot system ".The patent solves bearing given rotating speed, lubrication, temperature, load etc. no
With the bearing life under operating mode and Reliability Synthesis test problem, the measure taken is：A kind of multifunction bearing pilot system,
Including rotary drive system unit, loading system unit, high and low temperature environment case, lubricating and cooling system unit and Measurement and Control System
Unit, it is characterised in that motor is connected by a transmission mechanism with output shaft, and loading system is loaded by hydraulic cylinder, height
Incubator is connected by ajutage with bearing block annular seal space, the parameter decomposition testing equipment relatively common compared to current market, should
Patent can meet the multifunction bearing experiment of various working.But the rotary drive system described in it adds one-stage gear driver
Structure, it is impossible to meet the demand of high-speed applications operating mode；Loading system adoption rate valve and hydraulic jack loading described in it, load essence
Degree is not high, and can not simulate the application operating mode of sudden turn of events load；Its described structure can not simulate damp and hot, damp and hot alternation, dry and wet alternation, ash
The application environments such as dirt.
Existing bearing tester can not meet the property of such as new-energy automobile motor bearing class high-speed sealing bearing
Demand can be evaluated.Because new-energy automobile inevitably works in the environment such as high/low temperature, damp and hot, dry and wet alternation, dust, it drives
Dynamic motor bearings is also worked under the operating modes such as high speed, sudden turn of events load, frequent starting.Turn therefore, it is necessary to design a kind of height that can simulate
The sealed bearings combination property simulation test machine of the application operating mode such as speed, sudden turn of events load, warm and humid environment, dust environment, to meet at a high speed
The comprehensive performance evaluation requirement of sealed bearings.
The content of the invention
The purpose of the present invention be can under compared with real working condition, environment the service life of accurate evaluation sealed bearings there is provided one
Kind sealed bearings service life and reliability can be evaluated under different application operating mode, different application environment according to experimental condition
Combination property simulation test machine.
The present invention the used technical scheme that solves the above problems is：The sealed bearings combination property simulation test machine, its
It is characterised by：Including bearing test unit, driver element, loading unit, environmental simulation system and control system, bearing test list
Member is arranged in the environmental cabinet of environmental simulation system, is arranged on driver element on same flat board, and be connected with loading unit；Drive
Moving cell is arranged on the left of environmental cabinet；Loading unit includes radial loaded mechanism and axially loaded mechanism, and radial loaded mechanism is set
Put on the upside of environmental cabinet, axially loaded mechanism is arranged on the right side of environmental cabinet；Environmental simulation system includes environmental cabinet, High Temperature Simulation list
Member, low temperature analogue unit, humidity simulation unit and dust analogue unit；Control system and driver element, loading unit, environment mould
Plan system is connected, Control experiment rotating speed, test load, test ambient temperature, experimental enviroment humidity and experimental enviroment dust concentration；
Pass through control system experimental condition（Load, rotating speed）Setting, it is possible to achieve bearing reinforcing life experiment, shorten evaluate week
Phase, product quality assessed cost is greatly reduced；Meanwhile, pass through control system environmental condition（Temperature, humidity, dust concentration and its
Alternation speed）Setting, it is possible to achieve bearing operation reinforcing simulation.
Preferably, bearing test unit of the present invention includes experiment bearing, bushing, middle carrier compound, experiment axle, dismounting
Ring, subject bearing, spacer ring, locking nut and end cap, subject bearing, stripping ring and the spacer ring are sleeved on experiment axle, locking screw
Female to be fastened on experiment axle two ends by positive/negative thread, subject bearing inner race is separated by spacer ring and stripping ring, so that subject bearing
Sealing surface is sufficiently exposed in experimental enviroment, and subject bearing outer ring is sleeved in bushing and middle carrier compound, bushing and end cap suit
In experiment bearing；Subject bearing outer ring is provided with temperature sensor, to monitor bearing running temperature；Bushing and middle carrier compound
On be provided with vibrating sensor, to monitor bearing operation conditions.
Preferably, driver element of the present invention includes adjustment slide unit, spindle drum, electro spindle, ring flange, torque sensing
Device, drive sleeve, speed probe and power transmission shaft, the electro spindle are sleeved in spindle drum, and spindle drum, torque sensor and rotating speed are passed
Sensor is fixed on adjustment slide unit, and electro spindle is connected by ring flange with torque sensor, torque sensor by drive sleeve and
Power transmission shaft is connected, and power transmission shaft is connected with the experiment axle of bearing test unit；Using electro spindle as driving source, so that test bearing
High speed rotation be achieved.
Preferably, radial loaded mechanism of the present invention includes radial servo electric cylinder, radial force sensor and radial direction
Bulb is loaded, axially loaded mechanism includes axial servo electric jar, axial force transducer and axially loaded bulb；Radial loaded ball
Head is connected with the middle carrier compound of bearing test unit, by Radial Loads on subject bearing, and significantly reduces because tack adds
Unbalance loading caused by load；Axially loaded bulb is connected with the end cap of bearing test unit, and axial load is acted on by bushing
It is tested on bearing.Using servo electric jar as load source, so that precisely loading is achieved for experiment.
Preferably, environmental simulation system of the present invention include environmental cabinet, High Temperature Simulation unit, low temperature analogue unit,
Temperature sensor, humidity sensor and dust concentration measurement are provided with humidity simulation unit and dust analogue unit, environmental cabinet
Device, High Temperature Simulation unit includes heating arrangements and heating arrangements connecting line, and low temperature analogue unit includes refrigeration mechanism and system
Cold mechanism connecting pipe road, humidity simulation unit includes damp and hot generating mechanism and damp and hot generating mechanism connecting line, and dust simulation is single
Member includes blower fan, airborne dust pipeline, dust compensation device, dust heater and even dirt device, and blower fan, dust compensation device are with raising
Dirt pipeline is connected, and airborne dust pipeline is connected through dust heater with even apparatus for ash, and even apparatus for ash is arranged in environmental cabinet, high temperature mould
Quasi-simple member, low temperature analogue unit, humidity simulation unit and dust analogue unit pass through respective connecting line and environmental cabinet phase
Even.
Preferably, control system of the present invention includes electric control unit and signal processing and analysis unit, this is electric
Control unit connects with driver element, loading unit and environmental simulation system, action and parameter for controlling each unit, including
In the start and stop of driver element and rotating speed, the action of loading unit and load, the start and stop of environmental simulation system each unit and environmental cabinet
Environment temperature, ambient humidity and dust concentration；Signal processing and analysis unit is connected with the sensor in each unit, including temperature
Sensor, vibrating sensor, speed probe, torque sensor, force snesor, humidity sensor and dust concentration measurement dress
Put；For recording the experimental condition and environmental condition of subject bearing, and analyze the running status of subject bearing；Various environment（Such as
High temperature, low temperature, damp and hot, dust etc.）It can individually implement, can also integrate implementation, or alternation is implemented.
Preferably, after the spindle drum of driver element of the present invention is assembled with adjustment slide unit, with bearing test unit
Bearing is tested using high processing and fabricatings such as endoporus, to improve drive shaft and the concentricity of experiment axle, the reality of high-speed test (HST) is ensured
It is existing.
Preferably, the bushing of bearing test unit of the present invention uses external cylindrical surface structure, between the use of outer ring cylinder
Gap engagement sleeves are in the endoporus of experiment bearing, so that axial load can be entirely applied on subject bearing；Test bearing
Anti-rotation device is provided between bushing, to prevent from causing bushing to skid because gap coordinates.
Preferably, drive sleeve of the present invention is connected by flexible member with power transmission shaft, to eliminate driver element and axle
The offset of test unit is held, to ensure the realization of high-speed test (HST).
Preferably, signal processing and analysis unit of the present invention includes temperature collect module, vibration acquisition module, rotating speed
Acquisition module, moment of torsion acquisition module, loading force acquisition module, humidity collection module and dust concentration acquisition module.
The present invention compared with prior art, with advantages below and effect：The driver element of the simulation test machine is using electricity
Main shaft, can simulate the operating mode that runs at high speed of bearing；Loading unit uses servo electric jar, and loading accuracy is high, fast response time, energy
The relatively true simulation bearing sudden turn of events, which is carried, applies operating mode；Influence of the unbalance loading to test life can be prevented effectively from using bulb loading；Environment
Simulation system is integrated with High Temperature Simulation unit, low temperature analogue unit, humidity simulation unit and dust analogue unit, is conducive to setting up
Integrated, polyfactorial experimental enviroment condition.The simulation test machine sets driver element, loading unit, ring by control system
The test parameters of border simulation system, can more truly simulate the application environments such as the high temperature, low temperature, damp and hot, dust of high-speed sealing bearing,
The life test that bearing is tested under the conditions of given rotating speed spectrum, loading spectrum, TEMPERATURE SPECTROSCOPY, humidity spectrum, dust concentration etc. is realized, while can
By data such as the moment of torsion gathered in process of the test, vibration, temperature rises, analyze influence of the above-mentioned each factor to bearing life, make by
The performance and reliability of service life for trying bearing assess more true, reliable and science.
Brief description of the drawings
Fig. 1 is the main structure diagram of the embodiment of the present invention.
Fig. 2 is the overlooking the structure diagram of the embodiment of the present invention.
Fig. 3 is the cross section structure diagram of middle (center) bearing test unit of the embodiment of the present invention.
Fig. 4 is the structural representation of loading bulb in the embodiment of the present invention.
In figure：Bearing test unit 1, driver element 2, loading unit 3, environmental simulation system 4, testing stand frame 5, experiment
Bearing 11, bushing 12, middle carrier compound 13 tests axle 14, and stripping ring 15 is tested bearing 16, spacer ring 17, locking nut 18, end cap
19, adjustment slide unit 21, spindle drum 22, electro spindle 23, ring flange 24, torque sensor 25, drive sleeve 26, speed probe 27,
Power transmission shaft 28, radial loaded mechanism 31, axially loaded mechanism 32, environmental cabinet 41, High Temperature Simulation unit 42, low temperature analogue unit
43, humidity simulation unit 44, dust analogue unit 45, radial servo electric cylinder 311, radial force sensor 312, radial loaded ball
First 313, axial servo electric jar 321, axial force transducer 322, axially loaded bulb 323, heating arrangements 421, heating arrangements
Connecting line 422, refrigeration mechanism 431, refrigeration mechanism connecting line 432, damp and hot generating mechanism 441, damp and hot generating mechanism connection
Pipeline 442, blower fan 451, airborne dust pipeline 452, dust compensation device 453, dust heater 454, even dirt device 455.
Embodiment
Below in conjunction with the accompanying drawings and the present invention is described in further detail by embodiment, following examples are to this hair
Bright explanation and the invention is not limited in following examples.
Embodiment.
Referring to Fig. 1 to Fig. 4, the present embodiment mainly includes bearing test unit 1, driver element 2, loading unit 3, environment mould
Five parts of plan system 4 and control system.Bearing test unit 1 is arranged in the environmental cabinet 41 of environmental simulation system 4, with driving
Unit 2 is arranged on same flat board, and is connected with loading unit 3；Driver element 2 is arranged on the left side of environmental cabinet 41；Loading unit 3
Including radial loaded mechanism 31 and the two parts of axially loaded mechanism 32, radial loaded mechanism 31 is arranged on the upside of environmental cabinet 41, axle
The right side of environmental cabinet 41 is arranged on to load maintainer 32；Environmental simulation system 4 includes environmental cabinet 41, High Temperature Simulation unit 42, low temperature
Analogue unit 43, humidity simulation unit 44 and dust analogue unit 45；Control system and driver element 2, loading unit 3, environment
Simulation system 4 is connected, and Control experiment rotating speed, test load, test ambient temperature, experimental enviroment humidity and experimental enviroment dust are dense
Degree.
Referring to Fig. 1 to Fig. 3, the bearing test unit 1 in the present embodiment includes experiment bearing 11, bushing 12, middle carrier compound
13rd, experiment axle 14, stripping ring 15, subject bearing 16, spacer ring 17, locking nut 18, end cap 19.Bearing 16 is tested by therewith
17 sets of stripping ring 15 and spacer ring being sleeved on experiment axle 14 are separated, and subject bearing 16, using being interference fitted, is torn open with experiment axle 14
Ring 15 and spacer ring 17 is unloaded with experiment axle 14 using gap to coordinate；Locking nut 18 is fastened on 14 liang of axle of experiment using positive/negative thread
End, to limit axial play of the subject bearing 16 on experiment axle 14；Matched somebody with somebody by small―gap suture or transition the subject outer ring of bearing 16
Conjunction is set in bushing 12 and middle carrier compound 13；Bushing 12 uses external cylindrical surface structure, and outer ring cylinder uses larger gap
Engagement sleeves are provided with anti-rotation device in the endoporus of experiment bearing 11, and end cap 19 is by screw with larger gap engagement sleeves
In experiment bearing 11, the axial movement to limit bearing test unit 1（During without axial load test）Or transmission is axially
Load（When having axial load experiment）, test bearing 11 and be fixedly connected by screw with testing stand frame 5.It is tested the outer ring of bearing 16
On be provided with temperature sensor, to monitor bearing running temperature；Vibrating sensor is provided with bushing 12 and middle carrier compound 13,
To monitor bearing operation conditions.
Referring to Fig. 1, the driver element 2 in the present embodiment includes adjustment slide unit 21, spindle drum 22, electro spindle 23, ring flange
24th, torque sensor 25, drive sleeve 26, speed probe 27 and power transmission shaft 28.Electro spindle 23 is sleeved in spindle drum 22, main shaft
Seat 22 is provided with clamp system, and electro spindle 23 is axially adjustable to be clamped positioning afterwards in place；Spindle drum 22, torque sensor 25 and turn
Fast sensor 27 is fixed on adjustment slide unit 21；Electro spindle 23 is connected with ring flange 24, ring flange 24 and the phase of torque sensor 25
Even；Torque sensor 25 is connected by drive sleeve 26 with power transmission shaft 28；Drive sleeve 26 is connected by flexible member with power transmission shaft 28,
Offset to eliminate driver element 2 and bearing test unit 1, to ensure the realization of high-speed test (HST)；Power transmission shaft 28 and experiment
Axle 14 is connected, and realizes power transmission shaft 28 with testing the docking of axle 14 with separating by adjusting the axial movement of slide unit 21；Rotating speed is passed
Sensor 27 is arranged on adjustment slide unit 21, and rotating speed is measured by hall sensing.
In this example, spindle drum 22 is used after being assembled with adjustment slide unit 21 with the experiment bearing 11 of bearing test unit 1
The high processing technology such as endoporus makes, and to improve the drive shaft and the concentricity of experiment axle 14 of electro spindle 23, is tried at a high speed with ensureing
The realization tested.
Referring to Fig. 1, in the present embodiment, loading unit 3 includes radial loaded mechanism 31 and axially loaded mechanism 32.Radially add
Mounted mechanism 31 is made up of radial servo electric cylinder 311, radial force sensor 312 and radial loaded bulb 313；Axially loaded mechanism
32 are made up of axial servo electric jar 321, axial force transducer 322 and axially loaded bulb 323；Radial servo electric cylinder 311
It is fixed on the upside of environmental cabinet 41；Radial force sensor 312 is arranged in radial servo electric cylinder 311, with radial loaded bulb 313
It is connected；Radial loaded bulb 313 is connected with middle carrier compound 13, by Radial Loads on subject bearing 16；Axial servo electricity
Dynamic cylinder 321 is fixed on the right side of environmental cabinet 41；Axial force transducer 322 is arranged in axial servo electric jar 321, and axially loaded
Bulb 323 is connected；Axially loaded bulb 323 is acted on end cap 19, and axial load is acted on into subject bearing by bushing 12
On 16.
Referring to Fig. 1 and Fig. 2, the environmental simulation system 4 in this example includes environmental cabinet 41, High Temperature Simulation unit 42, low temperature
Analogue unit 43, humidity simulation unit 44 and dust analogue unit 45；Temperature sensor, humidity sensor are provided with environmental cabinet 41
Device and dust concentration measurement apparatus；High Temperature Simulation unit 42 includes heating arrangements 421 and heating arrangements connecting line 422；Low temperature
Analogue unit 43 includes refrigeration mechanism 431 and refrigeration mechanism connecting line 432；Humidity simulation unit 44 includes damp and hot generating mechanism
441 and damp and hot generating mechanism connecting line 442；Dust analogue unit 45 includes blower fan 451, airborne dust pipeline 452, dust compensation dress
Put 453, dust heater 454, even dirt device 455；Blower fan 451, dust compensation device 453 are connected with airborne dust pipeline 452；Raise
Dirt pipeline 452 is connected through dust heater 454 with even apparatus for ash 455；Even apparatus for ash 455 is arranged in environmental cabinet 41；Dust
Enter dust heater 454 through airborne dust pipeline 452 through blower fan 451, the dust after heating passes through the even uniformly dispersing of dirt device 455
Into environmental cabinet 41；Dust compensation device 453 is fed back according to the on-line measurement of ambient dust concentration, to entering in environmental cabinet 41
Amount of dust carries out real-Time Compensation；High Temperature Simulation unit 42, low temperature analogue unit 43, damp and hot analogue unit 44 and dust analogue unit
45 are connected by respective connecting line with environmental cabinet 41；Environmental cabinet 41 is directly wrapped in around bearing test unit 1, makes environment
The service efficiency of case 41 is high, it is small to be lost, and can be precisely controlled the environmental aspect of bearing test, including temperature, humidity, dust concentration
Deng.
The control system of the present embodiment, for be tested bearing 16 operation conditions and running environment situation be monitored and
Control, including electric control unit and signal processing and analysis unit.Electric control unit and driver element 2, loading unit 3 and ring
Border simulation system 4 connects, action and parameter for controlling each unit, includes start and stop and the rotating speed of driver element 2, loading unit
3 action and load, the start and stop of each unit of environmental simulation system 4 and environment temperature, ambient humidity and dust in environmental cabinet 41
Concentration, various environment（Such as high temperature, low temperature, damp and hot, dust）It can individually implement, can also integrate implementation, or alternation is implemented；Signal
Collection analysis unit is connected with the sensor in each unit and environmental cabinet 41, mainly including rotating speed, moment of torsion, vibration, load, temperature
The measurement modules such as degree, humidity and dust concentration, for recording the experimental condition and environmental condition of subject bearing 16, and analyze subject
The running status of bearing 16.
1) rotation speed measuring module, using Hall sensor, the rotating speed for detecting power transmission shaft 28.
2) torque monitoring module, the moment of torsion that electro spindle 23 is exported is measured from torque sensor 25.
3) vibration measurement module, is mainly used in supervising the Vibration Condition that subject bearing 16 is produced in process of the test
Survey, using acceleration transducer, on experiment bearing 11 and middle carrier compound 13, each station subject bearing 16 can be monitored simultaneously
Failure conditions.
4) load measurement module, the load of measurement is dynamic load, is sensed by force snesor, system has radial and axial
Two-way force snesor, force snesor passes through power transmitter, force signal is changed into 4-20mA current signals, then adopt by capture card
Collection, is shown and is stored after data processing.
5) temperature-measuring module, it is main to include the subject outer ring sensor for measuring temperature of bearing 16 and the environment temperature of environmental cabinet 41
Measurement sensor.
6）Moisture measurement module, is measured by measurement with wet to the ambient humidity of environmental cabinet 41.
7）Dust concentration measurement module, is carried out by light scattering method to the light scattering of suspension particle in environmental cabinet 41
Line is measured, and calculating analysis through control system determines dust granule concentration.
The electric control unit that the Measurement and Control System is used mainly includes main control computer, slave computer, frequency converter and watched
Take controller.Main control computer is connected with slave computer, frequency converter, servo controller；Slave computer is provided with data collecting card, is used for
Gather the feedback signal of each monitoring modular；Frequency converter is connected with electro spindle 23, and control electro spindle 23 works；Servo controller is used for
Drive servo electric jar（311 and/or 312）Work.
By above-mentioned elaboration, those skilled in the art can implement.
Furthermore, it is necessary to explanation, the specific embodiment described in this specification, is named the shape of its parts and components
Title etc. can be different, and the above content described in this specification is only to structure example explanation of the present invention.It is all according to
The equivalence changes or simple change done according to the construction described in inventional idea of the present invention, feature and principle, are included in this hair
In the protection domain of bright patent.Those skilled in the art can do various to described specific embodiment
The modification of various kinds or supplement or using similar mode substitute, without departing from the present invention structure or surmount present claims
Scope defined in book, all should belong to protection scope of the present invention.
Claims (10)
1. a kind of sealed bearings combination property simulation test machine, it is characterised in that：Including bearing test unit, driver element, add
Carrier unit, environmental simulation system and control system, bearing test unit are arranged in the environmental cabinet of environmental simulation system, with driving
Unit is arranged on same flat board, and is connected with loading unit；Driver element is arranged on the left of environmental cabinet；Loading unit includes footpath
To load maintainer and axially loaded mechanism, radial loaded mechanism is arranged on the upside of environmental cabinet, and axially loaded mechanism is arranged on environment
On the right side of case；Environmental simulation system includes environmental cabinet, High Temperature Simulation unit, low temperature analogue unit, humidity simulation unit and dust mould
Quasi-simple member；Control system is connected with driver element, loading unit, environmental simulation system, Control experiment rotating speed, test load, examination
Test environment temperature, experimental enviroment humidity and experimental enviroment dust concentration.
2. sealed bearings combination property simulation test machine according to claim 1, it is characterised in that：The bearing test list
Member includes experiment bearing, bushing, middle carrier compound, experiment axle, stripping ring, subject bearing, spacer ring, locking nut and end cap, the quilt
Examination bearing, stripping ring and spacer ring are sleeved on experiment axle, and locking nut is fastened on experiment axle two ends by positive/negative thread, is tested axle
Hold inner ring to separate by spacer ring and stripping ring, subject bearing outer ring is sleeved in bushing and middle carrier compound, bushing and end cap suit
In experiment bearing, it is provided with subject bearing outer ring on temperature sensor, bushing and middle carrier compound and is provided with vibrating sensor.
3. sealed bearings combination property simulation test machine according to claim 1, it is characterised in that：The driver element bag
Include adjustment slide unit, spindle drum, electro spindle, ring flange, torque sensor, drive sleeve, speed probe and power transmission shaft, the electro spindle
It is sleeved in spindle drum, spindle drum, torque sensor and speed probe are fixed on adjustment slide unit, and electro spindle passes through ring flange
It is connected with torque sensor, torque sensor is connected by drive sleeve with power transmission shaft, the experiment of power transmission shaft and bearing test unit
Axle is connected.
4. sealed bearings combination property simulation test machine according to claim 1, it is characterised in that：The radial loaded machine
Structure includes radial servo electric cylinder, radial force sensor and radial loaded bulb, and axially loaded mechanism includes axial servo-electric
Cylinder, axial force transducer and axially loaded bulb, radial loaded bulb are connected with the middle carrier compound of bearing test unit, axially add
Bulb is carried with the end cap of bearing test unit to be connected.
5. sealed bearings combination property simulation test machine according to claim 1, it is characterised in that：The environmental simulation system
System includes setting in environmental cabinet, High Temperature Simulation unit, low temperature analogue unit, humidity simulation unit and dust analogue unit, environmental cabinet
Temperature sensor, humidity sensor and dust concentration measurement apparatus are equipped with, High Temperature Simulation unit includes heating arrangements and heater
Mechanism connecting pipe road, low temperature analogue unit includes refrigeration mechanism and refrigeration mechanism connecting line, and humidity simulation unit includes damp and hot hair
Life structure and damp and hot generating mechanism connecting line, dust analogue unit include blower fan, airborne dust pipeline, dust compensation device, dust
Heater and even dirt device, blower fan, dust compensation device are connected with airborne dust pipeline, airborne dust pipeline through dust heater with it is even
Apparatus for ash is connected, and even apparatus for ash is arranged in environmental cabinet, High Temperature Simulation unit, low temperature analogue unit, humidity simulation unit and ash
Dirt analogue unit is connected by respective connecting line with environmental cabinet.
6. sealed bearings combination property simulation test machine according to claim 1, it is characterised in that：The control system bag
Electric control unit and signal processing and analysis unit are included, the electric control unit and driver element, loading unit and environmental simulation
System connects, action and parameter for controlling each unit, includes start and stop and the rotating speed of driver element, the action of loading unit and
Environment temperature, ambient humidity and dust concentration in load, the start and stop of environmental simulation system each unit and environmental cabinet；Signal acquisition
Analytic unit is connected with the sensor in each unit, including temperature sensor, vibrating sensor, speed probe, torque sensing
Device, force snesor, humidity sensor and dust concentration measurement apparatus.
7. sealed bearings combination property simulation test machine according to claim 3, it is characterised in that：The driver element
Spindle drum is with after adjustment slide unit assembling, endoporus grade height processing and fabricating is used with the experiment bearing of bearing test unit.
8. sealed bearings combination property simulation test machine according to claim 2, it is characterised in that：The bearing test list
The bushing of member uses external cylindrical surface structure, and outer ring cylinder in the endoporus of experiment bearing, tests bearing using gap engagement sleeves
Anti-rotation device is provided between bushing.
9. sealed bearings combination property simulation test machine according to claim 3, it is characterised in that：The drive sleeve passes through
Flexible member is connected with power transmission shaft.
10. sealed bearings combination property simulation test machine according to claim 6, it is characterised in that：The signal acquisition
Analytic unit includes temperature collect module, vibration acquisition module, rotating speed acquisition module, moment of torsion acquisition module, loading force collection mould
Block, humidity collection module and dust concentration acquisition module.
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| CN201710329142.6A CN107024353A (en) | 2017-05-11 | 2017-05-11 | A kind of sealed bearings combination property simulation test machine |
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| CN201710329142.6A CN107024353A (en) | 2017-05-11 | 2017-05-11 | A kind of sealed bearings combination property simulation test machine |
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| CN107024353A true CN107024353A (en) | 2017-08-08 |
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| CN201710329142.6A Pending CN107024353A (en) | 2017-05-11 | 2017-05-11 | A kind of sealed bearings combination property simulation test machine |
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