CN109900476A - A kind of rolling bearing life consume state monitoring method and system - Google Patents
A kind of rolling bearing life consume state monitoring method and system Download PDFInfo
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- CN109900476A CN109900476A CN201910265016.8A CN201910265016A CN109900476A CN 109900476 A CN109900476 A CN 109900476A CN 201910265016 A CN201910265016 A CN 201910265016A CN 109900476 A CN109900476 A CN 109900476A
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Abstract
The invention discloses a kind of rolling bearing life consume state monitoring method and systems.The monitoring method, comprising: obtain the actual run time of rolling bearing life and the rolling bearing；Rolling bearing Loss of Life parameter is determined according to the actual run time；The rolling bearing Loss of Life parameter includes temperature loss service life, temperature rise Loss of Life, vibration velocity Loss of Life, vibration acceleration Loss of Life and dead loss service life；The dead loss service life is determined by producer's quality and rolling bearing characteristic；Rolling bearing remaining life is determined according to the rolling bearing life and rolling bearing Loss of Life parameter；Determine that rolling bearing life consumes state according to the rolling bearing remaining life.Using monitoring method provided by the present invention and system can be improved bearing residual life Evaluation accuracy, rolling bearing life consume status assessment accuracy and rolling bearing overhaul efficiency.
Description
Technical field
The present invention relates to rolling bearing lifes to monitor field, consumes status monitoring more particularly to a kind of rolling bearing life
Method and system.
Background technique
Rolling bearing is the core of rotating machinery, its state directly affects the state of rotating machinery, influences whole system
Reliability.300,000 grades of units have rotating machinery several hundred according to statistics, use thousands of, rolling bearing, it may be said that the axis of rolling
The quality held directly affects Power Plant Generating Equipment Reliability, or even seriously affects the safe and stable operation of unit；So carrying out the axis of rolling
Durability analysis research is held, has positive effect to equipment state overhauling of the promotion centered on reliability.
The tidemark of equipment management is not only the fault diagnosis filter of equipment；Also being not only to inspect periodically prevents from happening suddenly
The generation of sexual behavior event；But extend equipment life, extend the time between overhauls(TBO), improve the utilization rate of equipment.It had both increased so reliable
Property, and improve economic benefit.Such as four 330MW units, 8 primary air fans, 8 seal fans, since the measure taken obtains
Power, in place, the bearing runing time of 16 Fans is shortest up to 45000 hours, longest up to 60000 hours for maintenance；It can
To say, as long as measure is correct, execute in place, it is feasible for extending equipment life.Correct assessment bearing life, not only can sxemiquantitative
Show that remaining life and service life state are timely warned to operations staff and equipment management personnel, and due to influence the service life
Factor carried out more careful analysis and follow-up study, can find out influence the service life principal element, by structure of modification, change
Type reinforces the measures such as maintenance, so that it may achieve the purpose that extend the service life.
In the prior art, by parameters such as the installation site of rolling bearing, operating condition, maintenances by manually to rolling
The remaining life of bearing is assessed, and assessment result subjective factor is occupied an leading position, and influences the assessment of rolling bearing remaining life
Precision, and then influence the Evaluation accuracy of rolling bearing life consume state.Meanwhile manual evaluation bearing residual life can only judge
The current state of rolling bearing out, it may be assumed that being only able to display rolling bearing currently whether there is failure, not can determine that failure cause,
Also can not determine cause rolling bearing remaining life shorten whether belong to normal condition, when a failure occurs, need manually into
Row is checked one by one, causes the overhaul efficiency of rolling bearing low.
Summary of the invention
The object of the present invention is to provide a kind of rolling bearing life consume state monitoring method and systems, to solve manually to comment
Estimate the problem that Evaluation accuracy is low and the overhaul efficiency of rolling bearing is low of bearing residual life.
To achieve the above object, the present invention provides following schemes:
A kind of rolling bearing life consume state monitoring method, comprising:
Obtain the actual run time of rolling bearing life and the rolling bearing；
Rolling bearing Loss of Life parameter is determined according to the actual run time；The rolling bearing Loss of Life parameter
Including temperature loss service life, temperature rise Loss of Life, vibration velocity Loss of Life, vibration acceleration Loss of Life and dead loss
Service life；The dead loss service life is determined by producer's quality and rolling bearing characteristic；
Rolling bearing remaining life is determined according to the rolling bearing life and rolling bearing Loss of Life parameter；
Determine that rolling bearing life consumes state according to the rolling bearing remaining life.
Optionally, described that rolling bearing Loss of Life parameter is determined according to the actual run time, it specifically includes:
According to formula Twd=Tyx×ξwdTemperature Loss of Life；Wherein, TyxFor actual run time；TwdFor temperature damage
Lose the service life；ξwd=twd/twd'；twdFor observed temperature；twd' it is temperature upper limit.
Optionally, described that rolling bearing Loss of Life parameter is determined according to the actual run time, it specifically includes:
According to formula Tws=Tyx×ξwsDetermine temperature rise Loss of Life；Wherein TwsFor temperature rise Loss of Life；ξws=tws/tws'；
twsFor temperature change calculated value；tws' it is temperature change value.
Optionally, described that rolling bearing Loss of Life parameter is determined according to the actual run time, it specifically includes:
According to formula Tzs=Tyx×ξzsDetermine vibration velocity Loss of Life；Wherein, TzsFor vibration velocity Loss of Life；ξzs
=Vzs/Vzs'；VzsTo survey vibration speed value；Vzs' it is vibration velocity state scale value.
Optionally, described that rolling bearing Loss of Life parameter is determined according to the actual run time, it specifically includes:
According to formula Tws=Tyx×ξzjDetermine vibration acceleration Loss of Life；Wherein, TzjThe longevity is lost for vibration acceleration
Life；ξzj=azj/azj'；azjTo survey vibration acceleration value；azj' it is vibration acceleration state scale value.
Optionally, described to determine that rolling bearing is surplus according to the rolling bearing life and rolling bearing Loss of Life parameter
It in the remaining service life, specifically includes:
According to formula Tsy=Tsj-Tyx-(Twd+Tws)-(Tzs+Tzj)-(Tcj+Tjg+Trh+Tsd+Tqt+Tzt+Twh+Thj) determine
Rolling bearing remaining life；Wherein, TsjFor rolling bearing life；TsyFor rolling bearing remaining life；(Tcj+Tjg+Trh+Tsd+Tqt
+Tzt+Twh+Thj) it is the dead loss service life；TcjFor the influence of producer's quality；TjgFor the influence of bearing support structure reasonability；TrhFor profit
Sliding mode influences；TsdFor the influence of velocity of rotation size；TqtFor the influence of start and stop feature；TztConsuming state for the service life influences；TwhFor fortune
Maintenance condition in row；ThjFor running environment influence.
Optionally, described to determine that rolling bearing life consumes state according to the rolling bearing remaining life, it specifically includes:
Judge whether the rolling bearing remaining life is lower than remaining life threshold value, obtains the first judging result；
If first judging result is expressed as the rolling bearing remaining life lower than remaining life threshold value, described in judgement
Whether rolling bearing Loss of Life parameter is in normal condition, obtains the second judging result；
If second judging result is expressed as the rolling bearing Loss of Life parameter and is in normal condition, institute is determined
Stating rolling bearing life consume state is that normal rolling bearing life consumes state；
If second judging result is expressed as the rolling bearing Loss of Life parameter and is not in normal condition,
Determine that the rolling bearing life consume state is that improper rolling bearing life consumes state, and exports and be not in normal condition
Rolling bearing Loss of Life parameter.
A kind of rolling bearing life consume condition monitoring system, comprising:
Rolling bearing life and actual run time obtain module, for obtaining rolling bearing life and the rolling
The actual run time of bearing；
Rolling bearing Loss of Life parameter determination module, for determining that rolling bearing loses according to the actual run time
Life parameter；The rolling bearing Loss of Life parameter includes temperature loss service life, temperature rise Loss of Life, vibration velocity loss longevity
Life, vibration acceleration Loss of Life and dead loss service life；The dead loss service life is by producer's quality and rolling bearing
Characteristic determines；
Rolling bearing remaining life determining module, for according to the rolling bearing life and rolling bearing Loss of Life
Parameter determines rolling bearing remaining life；
Rolling bearing life consumes state determining module, for determining rolling bearing according to the rolling bearing remaining life
Service life consumes state.
Optionally, the rolling bearing Loss of Life parameter determination module specifically includes:
Temperature loss service life determination unit, for according to formula Twd=Tyx×ξwdTemperature Loss of Life；Wherein, Tyx
For actual run time；TwdFor the temperature loss service life；ξwd=twd/twd'；twdFor observed temperature；twd' it is temperature upper limit.
Optionally, the rolling bearing Loss of Life parameter determination module specifically includes:
Temperature rise Loss of Life determination unit, for according to formula Tws=Tyx×ξwsDetermine temperature rise Loss of Life；Wherein TwsFor
Temperature rise Loss of Life；ξws=tws/tws'；twsFor temperature change calculated value；tws' it is temperature change value.
The specific embodiment provided according to the present invention, the invention discloses following technical effects: the present invention provides one kind
Rolling bearing life consumes state monitoring method and system, determines the rolling bearing remaining longevity according to rolling bearing Loss of Life parameter
Life, and determine that rolling bearing life consumes state according to the rolling bearing remaining life, determination process is not necessarily to artificial parameter, from
It is dynamic to determine that rolling bearing life consumes state, it avoids artificial subjective factor and participates in, to improve bearing residual life
Evaluation accuracy, and then rolling bearing life consume status assessment accuracy is improved, improve the overhaul efficiency of rolling bearing.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is that rolling bearing life provided by the present invention consumes state monitoring method flow chart；
Fig. 2 is that rolling bearing life provided by the present invention consumes condition monitoring system structure chart；
Fig. 3 is rolling bearing life management system architecture diagram provided by the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The object of the present invention is to provide a kind of rolling bearing life consume state monitoring method and systems, can be improved bearing
Evaluation accuracy, the rolling bearing life of remaining life consume the overhaul efficiency of status assessment accuracy and rolling bearing.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
Fig. 1 is that rolling bearing life provided by the present invention consumes state monitoring method flow chart, as shown in Figure 1, a kind of
Rolling bearing life consumes state monitoring method, comprising:
Step 101: obtaining the actual run time of rolling bearing life and the rolling bearing.
Step 102: rolling bearing Loss of Life parameter is determined according to the actual run time；The rolling bearing loss
Life parameter include the temperature loss service life, temperature rise Loss of Life, vibration velocity Loss of Life, vibration acceleration Loss of Life and
The dead loss service life；The dead loss service life is determined by producer's quality and rolling bearing characteristic.
The step 102 specifically includes: according to formula Twd=Tyx×ξwdTemperature Loss of Life；Wherein, TyxFor reality
Runing time；TwdFor the temperature loss service life；ξwd=twd/twd'；twdFor observed temperature；twd' it is temperature upper limit.
The present invention divides the rate range that rolling bearing life is consumed due to temperature according to wall temperature, to show current reality
Whether testing temperature is in ordinary life exhaustion range, to be overhauled in time, table 1 is temperature provided by the present invention and rolls
Bearing life shows state table, as shown in table 1.
Table 1
Wherein, twd0、twd1、twd2It is setting wall temperature, twd0< twd1< twd2, the serious journey of the display state of life consumption
Degree: the first estate < the second grade < tertiary gradient < fourth estate.
According to formula Tws=Tyx×ξwsDetermine temperature rise Loss of Life；Wherein TwsFor temperature rise Loss of Life；ξws=tws/tws'；
twsFor temperature change calculated value；tws' it is temperature change value.
The present invention changes according to temperature rise divides rolling bearing life due to the rate range of temperature rise variation consume, to show
Whether current temperature rise variation is in ordinary life exhaustion range out, to be overhauled in time, table 2 is temperature provided by the present invention
It rises variation and shows state table with rolling bearing life, as shown in table 2.
Table 2
| Serial number | Condition | Display state |
| 1 | tws≤tws0 | The first estate |
| 2 | tws0< tws≤tws1 | Second grade |
| 3 | tws1< tws≤tws2 | The tertiary gradient |
| 4 | tws> tws2 | The fourth estate |
Wherein, tws0、tws1、tws2It is the temperature rise variation of setting, tws0< tws1< tws2, the display state of life consumption
Severity: the first estate < the second grade < tertiary gradient < fourth estate.
According to formula Tzs=Tyx×ξzsDetermine vibration velocity Loss of Life；Wherein, TzsFor vibration velocity Loss of Life；ξzs
=Vzs/Vzs'；VzsTo survey vibration speed value；Vzs' it is vibration velocity state scale value.
The present invention divides the rate range that rolling bearing life is consumed due to vibration velocity according to vibration velocity, to show
Whether vibration velocity is in ordinary life exhaustion range out, to be overhauled in time, table 3 is vibration speed provided by the present invention
Degree shows state table with rolling bearing life, as shown in table 3.
Table 3
Wherein, VZS0、VZS1、VZS2It is the vibration speed value of setting, VZS0< VZS1< VZS2, the display state of life consumption
Severity: the first estate < the second grade < tertiary gradient < fourth estate.
According to formula Tws=Tyx×ξzjDetermine vibration acceleration Loss of Life；Wherein, TzjThe longevity is lost for vibration acceleration
Life；ξzj=azj/azj'；azjTo survey vibration acceleration value；azj' it is vibration acceleration state scale value.
The present invention divides the rate range that rolling bearing life is consumed due to vibration acceleration according to vibration acceleration, thus
Vibration acceleration is shown whether in ordinary life exhaustion range, to be overhauled in time, table 4 is provided by the present invention
Vibration acceleration and rolling bearing life show state table, as shown in table 4.
Table 4
| Serial number | Condition | Display state |
| 1 | azj≤azj0 | The first estate |
| 2 | azj0< azj≤azj1 | Second grade |
| 3 | azj1< azj≤azj2 | The tertiary gradient |
| 4 | azj> azj2 | The fourth estate |
Wherein, azj0、azj1、azj2It is the vibration speed value of setting, azj0< azj1< azj2, the display state of life consumption
Severity: the first estate < the second grade < tertiary gradient < fourth estate.
The severity for the display state that the present invention is consumed according to the service life is alarmed.
Step 103: rolling bearing residue is determined according to the rolling bearing life and rolling bearing Loss of Life parameter
Service life.
The step 103 specifically includes: according to formula Tsy=Tsj-Tyx-(Twd+Tws)-(Tzs+Tzj)-(Tcj+Tjg+Trh+
Tsd+Tqt+Tzt+Twh+Thj) determine rolling bearing remaining life；Wherein, TsjFor rolling bearing life；TsyFor rolling bearing residue
Service life；(Tcj+Tjg+Trh+Tsd+Tqt+Tzt+Twh+Thj) it is the dead loss service life；TcjFor the influence of producer's quality；TjgFor bearing support
Reasonable structure influences；TrhFor lubricating system influence；TsdFor the influence of velocity of rotation size；TqtFor the influence of start and stop feature；TztFor the longevity
Ordering consume state influences；TwhFor maintenance condition in operation；ThjFor running environment influence.
Step 104: determining that rolling bearing life consumes state according to the rolling bearing remaining life.
The step 104 specifically includes: judge whether the rolling bearing remaining life is lower than remaining life threshold value, if
It is to judge whether the rolling bearing Loss of Life parameter is in normal condition, if so, determining the rolling bearing life consumption
Damage state is that normal rolling bearing life consumes state；If it is not, determining that the rolling bearing life consume state is improper rolling
The dynamic bearing service life consumes state, and exports the rolling bearing Loss of Life parameter for being not in normal condition.
Fig. 2 is that rolling bearing life provided by the present invention consumes condition monitoring system structure chart, as shown in Fig. 2, a kind of
Rolling bearing life consumes condition monitoring system, comprising:
Rolling bearing life and actual run time obtain module 201, for obtaining rolling bearing life and described
The actual run time of rolling bearing.
Rolling bearing Loss of Life parameter determination module 202, for determining rolling bearing according to the actual run time
Loss of Life parameter；The rolling bearing Loss of Life parameter includes temperature loss service life, temperature rise Loss of Life, vibration velocity damage
Lose service life, vibration acceleration Loss of Life and dead loss service life；The dead loss service life is by producer's quality and rolling
Bearing characteristics determine.
Rolling bearing remaining life determining module 203, for being lost according to the rolling bearing life and rolling bearing
Life parameter determines rolling bearing remaining life.
Rolling bearing life consumes state determining module 204, rolls for being determined according to the rolling bearing remaining life
Bearing life consumes state.
Consuming state monitoring method and system based on rolling bearing life provided by the present invention can construct as shown in Figure 3
Rolling bearing life management system framework, rolling bearing life management system is all made of B/S structure.
Wherein, Data Conversion Service program is for being responsible for the continual acquisition produced on-site number from power plant's real-time data base
According to, and be deposited into life-span management database.
Database is life span management system database, and system selects large-scale, safe and stable ORACLE database.
Analyzing Real-Time Performance service routine is for being responsible for the continual acquisition produced on-site number from life-span management database
It is believed that breath, carries out data validity judgement, the judgement of over-temp and over-pressure Realtime Alerts, over-temp and over-pressure statistics etc., and real-time evaluation means
State.
Web service program is finally issued in the form of web pages for life span management system, and Web page is that power plant staff can
The part seen, equipment information management, on-line condition monitoring, measuring point transfinite, and statistical result browses, historical record is inquired, report printing
And the functions such as help are realized by Web service program.The system does not need separately to install on the user computer special
Software, only need a standard web browser (such as: IE, NetScape), so that it may access and operation.
Rolling bearing life management system is illustrated from many aspects.
1) state on_line monitoring and assessment:
By obtaining the measuring point datas such as rolling bearing temperature, vibration in real time, join in conjunction with techniques such as the size of pipe and materials
Number, comprehensive on-line monitoring information is assessed in real time automatically on the basis of offline inspection, systematically to rolling bearing carry out with
Monitoring, alarming based on service life.The data for reflecting device status information are shown in the form of list and curve etc., with multistage report
Alert form informs power plant staff, and provides corresponding operation, maintenance and replacement and suggest.
State on_line monitoring specifically includes: rolling bearing comprehensive state real-time monitoring；Rolling bearing temperature distribution history；Rolling
Dynamic bearing Distribution of temperature rise curve；Vibration displacement of rolling bearing distribution curve；Bearing vibration velocity distribution curve；Rolling bearing
Vibration acceleration distribution curve.
According to assessment result, necessary maintenance, replacement and inspection recommendation can be provided.
2) equipment information management:
Equipment information management is managed for component information involved in life span management system.The information for including is main
It is the information of the design of equipment, manufacture, installation, operation, inspection, maintenance, economy etc..The major function of the module be for
The status assessment and life appraisal of equipment provide unified equipment initial data, and timely to the carry out such as the maintenance of equipment, replacement
It updates.
Major function includes: inquiry, addition, deletion, the modification of unit information；The inquiry of rolling bearing information is added, is deleted
It removes, modify；The setting of rolling bearing residual life alarming threshold value；Rolling bearing temperature, vibration measuring point alarming threshold value setting；Measuring point
Information management；Evaluation point information management；Online evaluation reference data management；It runs class and is worth appraisal management.
3) history run is inquired:
History run inquiry, which refers to, inquires the historical record of equipment state, wherein with to operating parameter (temperature)
Based on inquiring and browsing.This system provides inquiry abundant and display methods, by these methods, power plant staff can be with
Carry out the trend analysis of log.
The main following functions that provide: rolling bearing temperature, the inquiry of service life alarm logging；Rolling bearing temperature, vibration, service life
Historical record inquiry；Rolling bearing temperature, the inquiry of vibration measuring point log and trend analysis；Historical juncture rolling bearing temperature
Field and vibration distribution；The historical queries such as rolling bearing measuring point overtemperature；Temperature, vibration spectrogram in the rolling bearing measuring point period.
4) it statisticallys analyze:
When continuously in real time from power plant's Production database obtain device temperature, vibration data when, system will be to each survey
Point carries out exceeded judgement, records duration exceeded every time, highest amplitude, average amplitude.When user can be by selecting
Between section count in this time exceeded cumulative time, exceeded number, exceeded amplitude average value.In addition, exceeded statistical module is also
The function of carrying out Risk Calculation and risk ranking to measuring point is provided, provides guidance for service personnel.
It mainly include following part: the exceeded statistics of measuring point；The exceeded record of measuring point；The exceeded monthly magazine of measuring point.
5) report generation and printing:
This system can automatically generate analysis report abundant (report), and can directly print.
Analysis report mainly has: evaluation point alarm statistical report form；Evaluation point alarm logging report；The exceeded statistics report of measuring point
Table；The exceeded Monthly Bulletin of Statistics Section of measuring point.
6) system maintenance and help:
Necessary maintenance tool and help are provided for the use and safety of system.
Specifically include that user authority management；The control of material item name；Symbol/unit illustrates to help.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For system disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
Used herein a specific example illustrates the principle and implementation of the invention, and above embodiments are said
It is bright to be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art, foundation
Thought of the invention, there will be changes in the specific implementation manner and application range.In conclusion the content of the present specification is not
It is interpreted as limitation of the present invention.
Claims (10)
1. a kind of rolling bearing life consumes state monitoring method characterized by comprising
Obtain the actual run time of rolling bearing life and the rolling bearing；
Rolling bearing Loss of Life parameter is determined according to the actual run time；The rolling bearing Loss of Life parameter includes
Temperature loss service life, temperature rise Loss of Life, vibration velocity Loss of Life, vibration acceleration Loss of Life and dead loss longevity
Life；The dead loss service life is determined by producer's quality and rolling bearing characteristic；
Rolling bearing remaining life is determined according to the rolling bearing life and rolling bearing Loss of Life parameter；
Determine that rolling bearing life consumes state according to the rolling bearing remaining life.
2. rolling bearing life according to claim 1 consumes state monitoring method, which is characterized in that described according to
Actual run time determines rolling bearing Loss of Life parameter, specifically includes:
According to formula Twd=Tyx×ξwdTemperature Loss of Life；Wherein, TyxFor actual run time；TwdFor the temperature loss longevity
Life；ξwd=twd/twd'；twdFor observed temperature；twd' it is temperature upper limit.
3. rolling bearing life according to claim 2 consumes state monitoring method, which is characterized in that described according to
Actual run time determines rolling bearing Loss of Life parameter, specifically includes:
According to formula Tws=Tyx×ξwsDetermine temperature rise Loss of Life；Wherein TwsFor temperature rise Loss of Life；ξws=tws/tws'；twsFor
Temperature change calculated value；tws' it is temperature change value.
4. rolling bearing life according to claim 3 consumes state monitoring method, which is characterized in that described according to
Actual run time determines rolling bearing Loss of Life parameter, specifically includes:
According to formula Tzs=Tyx×ξzsDetermine vibration velocity Loss of Life；Wherein, TzsFor vibration velocity Loss of Life；ξzs=
Vzs/Vzs'；VzsTo survey vibration speed value；Vzs' it is vibration velocity state scale value.
5. rolling bearing life according to claim 4 consumes state monitoring method, which is characterized in that described according to
Actual run time determines rolling bearing Loss of Life parameter, specifically includes:
According to formula Tws=Tyx×ξzjDetermine vibration acceleration Loss of Life；Wherein, TzjFor vibration acceleration Loss of Life；ξzj
=azj/azj'；azjTo survey vibration acceleration value；azj' it is vibration acceleration state scale value.
6. rolling bearing life according to claim 5 consumes state monitoring method, which is characterized in that described according to
Rolling bearing life and rolling bearing Loss of Life parameter determine rolling bearing remaining life, specifically include:
According to formula Tsy=Tsj-Tyx-(Twd+Tws)-(Tzs+Tzj)-(Tcj+Tjg+Trh+Tsd+Tqt+Tzt+Twh+Thj) determine rolling
Bearing residual life；Wherein, TsjFor rolling bearing life；TsyFor rolling bearing remaining life；(Tcj+Tjg+Trh+Tsd+Tqt+Tzt
+Twh+Thj) it is the dead loss service life；TcjFor the influence of producer's quality；TjgFor the influence of bearing support structure reasonability；TrhFor lubrication
Mode influences；TsdFor the influence of velocity of rotation size；TqtFor the influence of start and stop feature；TztConsuming state for the service life influences；TwhFor operation
Middle maintenance condition；ThjFor running environment influence.
7. rolling bearing life according to claim 6 consumes state monitoring method, which is characterized in that described according to
Rolling bearing remaining life determines that rolling bearing life consumes state, specifically includes:
Judge whether the rolling bearing remaining life is lower than remaining life threshold value, obtains the first judging result；
If first judging result is expressed as the rolling bearing remaining life lower than remaining life threshold value, the rolling is judged
Whether bearing loss life parameter is in normal condition, obtains the second judging result；
If second judging result is expressed as the rolling bearing Loss of Life parameter and is in normal condition, the rolling is determined
It is that normal rolling bearing life consumes state that the dynamic bearing service life, which consumes state,；
If second judging result is expressed as the rolling bearing Loss of Life parameter and is not in normal condition, determine
The rolling bearing life consume state is that improper rolling bearing life consumes state, and exports the rolling for being not in normal condition
Dynamic bearing Loss of Life parameter.
8. a kind of rolling bearing life consumes condition monitoring system characterized by comprising
Rolling bearing life and actual run time obtain module, for obtaining rolling bearing life and the rolling bearing
Actual run time；
Rolling bearing Loss of Life parameter determination module, for determining rolling bearing Loss of Life according to the actual run time
Parameter；The rolling bearing Loss of Life parameter include the temperature loss service life, temperature rise Loss of Life, vibration velocity Loss of Life,
Vibration acceleration Loss of Life and dead loss service life；The dead loss service life is by producer's quality and rolling bearing characteristic
It determines；
Rolling bearing remaining life determining module, for according to the rolling bearing life and rolling bearing Loss of Life parameter
Determine rolling bearing remaining life；
Rolling bearing life consumes state determining module, for determining rolling bearing life according to the rolling bearing remaining life
Consume state.
9. rolling bearing life according to claim 8 consumes condition monitoring system, which is characterized in that the rolling bearing
Loss of Life parameter determination module specifically includes:
Temperature loss service life determination unit, for according to formula Twd=Tyx×ξwdTemperature Loss of Life；Wherein, TyxFor reality
Border runing time；TwdFor the temperature loss service life；ξwd=twd/twd'；twdFor observed temperature；twd' it is temperature upper limit.
10. rolling bearing life according to claim 9 consumes condition monitoring system, which is characterized in that the axis of rolling
Loss of Life parameter determination module is held to specifically include:
Temperature rise Loss of Life determination unit, for according to formula Tws=Tyx×ξwsDetermine temperature rise Loss of Life；Wherein TwsFor temperature rise
Loss of Life；ξws=tws/tws'；twsFor temperature change calculated value；tws' it is temperature change value.
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| CN107843427A (en) * | 2016-09-19 | 2018-03-27 | 舍弗勒技术股份两合公司 | The appraisal procedure and device of bearing residual life |
| CN107843426A (en) * | 2016-09-19 | 2018-03-27 | 舍弗勒技术股份两合公司 | The monitoring method and monitoring device of bearing residual life |
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