CN102798413A - Railway dynamic detection system - Google Patents
Railway dynamic detection system Download PDFInfo
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- CN102798413A CN102798413A CN2012102728156A CN201210272815A CN102798413A CN 102798413 A CN102798413 A CN 102798413A CN 2012102728156 A CN2012102728156 A CN 2012102728156A CN 201210272815 A CN201210272815 A CN 201210272815A CN 102798413 A CN102798413 A CN 102798413A
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Abstract
The invention discloses a railway dynamic detection system, comprising a data aware unit, a data acquiring unit, and a data processing unit. The system can complete fault real-time diagnosis of unbalanced rotation and misaligned rotation of a bogie wheel shaft, real-time monitoring of working conditions of a wheel set traction motor bearing of the bogie, a bogie wheel set bearing, and transmission gears of a traction motor when a rolling stock is in an operating state, and the system can diagnosis faults which is possible to occur in real time. Meanwhile, using real-time transmission characteristic of vibration, through obtaining vibrating impulse signals generated by railway track damage when the rolling stock is operating, and vibrating impulse signals generated by railway subgrade defects when the rolling stock is operating, the system monitors the railway track damage and subgrade defects. Compared with conventional railway detection systems, the system not only can comprehensively diagnosis the rolling stock's faults, but also has high detection efficiency.
Description
Technical field
The present invention relates to the security of operation detection range of rolling stock, relate in particular to a kind of railway dynamic detection system.
Background technology
Train is the important tool of traffic and transportation, it has, and freight volume is big, speed is fast, convenient, safety coefficient is high, circuit is fixing and the characteristics of time and the unified marshalling operation of bus stop.How to take effectively management and technological means to ensure the safety of rolling stock, railroad track and railway bed,, prevent the personal safety as well as the property safety accident, become the emphasis of railway work to ensure the entering running status of train non-fault hidden danger.
With the rolling stock is that motor train unit train is an example, and the detection of railway comprises that the damage monitoring of EMUs safety detection, railroad track and Railway Roadbed monitor three parts.At present; The safety detection of EMUs is main with the temperature monitor of routine still; Some vibration monitorings and failure diagnostic apparatus are also arranged, but they all the whirling vibration characteristic of the critical component wheel shaft of bogie is not monitored, can't be uneven, diagnosing malfunction such as misalign and differentiate to the rotation of wheel shaft; Therefore, having still had part EMUs fault generating fails to judge.The damage monitoring of railroad track is main with traditional hand propelled defectoscope and large-scale inspection car; Along with the raising of the train speed increase heavy with axle; The also corresponding quickening of speed of development of rail track damage; Rate of traffic flow is big in addition, and traditional defect-detecting equipment efficient is too low, can not adapt to the needs of the development of railway.And the detection technique of ultrasound wave railroad track newly developed loss exists detection speed to wait a series of problems slowly.The Railway Roadbed monitoring adopts multiple means such as GCO probe GCO, geological radar, transient state ground roll method and the test of fetching earth that roadbed is made an experiment; Thereby obtain the disease information of roadbed; But; This monitoring method workload is big and monitoring efficient is low, with the demand that lags behind the railway high speed development gradually.
Summary of the invention
To above-mentioned technical matters; The object of the present invention is to provide a kind of railway dynamic detection system; It has solved traditional railway detection system can not comprehensive diagnostic to the fault of rolling stock, and to the low problem of detection efficiency of railroad track damage and Railway Roadbed.
For reaching this purpose, the present invention adopts following technical scheme:
A kind of railway dynamic detection system comprises data perception unit, data acquisition unit and data processing unit;
Said data perception unit is arranged on the bogie; The wheel of tach signal, bogie that is used for real-time detection bogie wheel shaft is to the temperature signal and the vibration signal of the transmission gear of the temperature signal of the temperature signal of traction electric machine bearing and vibration signal, bogie wheel set bearing and vibration signal and traction electric machine, and exports to data acquisition unit;
Said data acquisition unit is used for converting said tach signal, temperature signal and the vibration signal of input into standard signal that data processing unit can be discerned, and exports to data processing unit;
Said data processing unit is used for converting the said standard signal of input into digital signal; And this digital signal analyzed, obtain status information and the failure message of the wheel of bogie wheel shaft, bogie to the transmission gear of traction electric machine bearing, bogie wheel set bearing and traction electric machine.
Especially, said data perception unit also is used for
Vibration and shock signal when the rolling stock that real-time detection produces owing to the railroad track damage moves; This vibration and shock signal is handled back input data processing unit through data acquisition unit and is handled, and obtains the damage information of railroad track.
Especially, said data perception unit is further used for
Vibration and shock signal when the rolling stock that real-time detection produces owing to Railway Roadbed moves; This vibration and shock signal is handled back input data processing unit through data acquisition unit and is handled, and obtains Railway Roadbed information.
Especially, said data processing unit also is used for
Analyze the status information of the wheel of bogie wheel shaft, bogie, the fault that possibly exist is carried out early warning the transmission gear of traction electric machine bearing, bogie wheel set bearing and traction electric machine.
Especially, said data perception unit specifically comprises: speed probe, motor bearings temperature sensor, motor bearings vibration transducer, wheel set bearing temperature sensor, wheel set bearing vibration transducer, motor gear temperature sensor, motor gear vibration transducer, track damage vibration transducer and subgrade defect vibration transducer;
Said speed probe is used for the tach signal of real-time detection bogie wheel shaft;
Said motor bearings temperature sensor and motor bearings vibration transducer are respectively applied for temperature signal and the vibration signal of the wheel of real-time detection bogie to the traction electric machine bearing;
Said wheel set bearing temperature sensor and wheel set bearing vibration transducer are respectively applied for the temperature signal and the vibration signal of real-time detection bogie wheel set bearing;
Said motor gear temperature sensor and motor gear vibration transducer are respectively applied for real-time detection motor gear temperature sensor and motor gear vibration transducer;
Said track damage vibration transducer is arranged on the bogie, is used for real-time detection because the vibration and shock signal during rolling stock operation that the railroad track damage produces;
Said subgrade defect vibration transducer is arranged on the bogie, is used for real-time detection because the vibration and shock signal the during operation of Railway Roadbed produces rolling stock.
The present invention can monitor temperature information and the vibration information of the wheel of bogie wheel shaft rotary speed information and bogie in rolling stock's operational process to the transmission gear of traction electric machine bearing, bogie wheel set bearing, traction electric machine in real time, and uneven and misalign fault and carry out the real-time online diagnosis to the transmission gear fault of the fault of the fault of traction electric machine bearing, bogie wheel set bearing, traction electric machine and the rotation of bogie wheel shaft to steering framing wheel.Simultaneously; Utilize the real-time transmission characteristic of vibration; Through obtaining because the vibration and shock signal the during rolling stock that railroad track damage produces operation and since the vibration and shock signal the during operation of Railway Roadbed produces rolling stock railroad track damage and subgrade defect are monitored.The present invention efficiently solves traditional railway detection system can not comprehensive diagnostic to the fault of rolling stock, and to the low problem of detection efficiency of railroad track damage and Railway Roadbed.
Description of drawings
The structural drawing of the railway dynamic detection system that Fig. 1 provides for the embodiment of the invention.
Embodiment
For making the object of the invention, technical scheme and advantage clearer, the present invention is described further below in conjunction with accompanying drawing and embodiment.
Please with reference to shown in Figure 1, the structural drawing of the railway dynamic detection system that Fig. 1 provides for the embodiment of the invention.
The railway dynamic detection system comprises data perception unit 101, data acquisition unit 102 and data processing unit 103 in the present embodiment.Said data perception unit 101 comprises: speed probe 1011, motor bearings temperature sensor 1012, motor bearings vibration transducer 1013, wheel set bearing temperature sensor 1014, wheel set bearing vibration transducer 1015, motor gear temperature sensor 1016, motor gear vibration transducer 1017, track damage vibration transducer 1018 and subgrade defect vibration transducer 1019.Said data acquisition unit 102 is selected signal picker for use.
Said data perception unit 101 is arranged on the bogie; The wheel of tach signal, bogie that is used for real-time detection bogie wheel shaft is to the temperature signal and the vibration signal of the transmission gear of the temperature signal of the temperature signal of traction electric machine bearing and vibration signal, bogie wheel set bearing and vibration signal and traction electric machine, and exports to data acquisition unit 102.
Need to prove that the wheel of bogie wheel shaft, bogie is the part of bogie structure in the present embodiment to the transmission gear of traction electric machine bearing, bogie wheel set bearing and traction electric machine.Speed probe 1011 is used for the tach signal of real-time detection bogie wheel shaft.Motor bearings temperature sensor 1012 is respectively applied for temperature signal and the vibration signal of the wheel of real-time detection bogie to the traction electric machine bearing with motor bearings vibration transducer 1013.Wheel set bearing temperature sensor 1014 and wheel set bearing vibration transducer 1015 are respectively applied for the temperature signal and the vibration signal of real-time detection bogie wheel set bearing.Motor gear temperature sensor 1016 is respectively applied for real-time detection motor gear temperature sensor 1016 and motor gear vibration transducer 1017 with motor gear vibration transducer 1017.
Because vibration has real-time transmission characteristic; And since the vibration and shock signal the during operation of railroad track damage produces rolling stock with because the vibration characteristics of the vibration and shock signal the during operation of Railway Roadbed produces rolling stock is different, therefore can be through detection vibration and shock signal monitoring to the disease situation of the degree of impairment of railroad track and railway bed.
Said data perception unit 101 also is used for real-time detection because the vibration and shock signal the during operation of railroad track damage produces rolling stock; This vibration and shock signal is handled back input data processing unit 103 through data acquisition unit 102 and is handled, and obtains the damage information of railroad track.
Data perception unit 101 is through being arranged at the track damage vibration transducer 1018 on the bogie, the vibration and shock signal the when rolling stock that real-time detection produces owing to Railway Roadbed moves.
Said data perception unit 101 is further used for real-time detection because the vibration and shock signal the during operation of Railway Roadbed produces rolling stock; This vibration and shock signal is handled back input data processing unit 103 through data acquisition unit 102 and is handled, and obtains Railway Roadbed information.
Data perception unit 101 is through being arranged at the subgrade defect vibration transducer 1019 on the bogie, the vibration and shock signal the when rolling stock that real-time detection produces owing to Railway Roadbed moves.
Said data acquisition unit 102 is used for converting said tach signal, temperature signal, vibration signal and the vibration and shock signal of input into standard signal that data processing unit can be discerned, and exports to data processing unit 103.
Because the tach signal that data perception unit 101 detects, temperature signal, vibration signal and vibration and shock signal are difficult for handling and control, so all signals that data perception unit 101 detects all will convert the standard signal that data acquisition unit can be discerned into through data acquisition unit 102.In practical application, the kind of data acquisition unit 102 has a lot, selects signal picker in the present embodiment for use.
Said data processing unit 103 is used for converting the said standard signal of input into digital signal; And this digital signal analyzed; Obtain status information and the failure message of the wheel of bogie wheel shaft, bogie to the transmission gear of traction electric machine bearing, bogie wheel set bearing and traction electric machine; And the damage information of railroad track and Railway Roadbed information; Both realized the wheel of bogie wheel shaft, bogie on-line monitoring and the fault diagnosis to the transmission gear of traction electric machine bearing, bogie wheel set bearing and traction electric machine realized the real-time monitoring to railroad track damage and Railway Roadbed again.In addition; After data processing unit 103 obtains the status information of wheel to the transmission gear of traction electric machine bearing, bogie wheel set bearing and traction electric machine of bogie wheel shaft, bogie; Also will further analyze, thereby the wheel of bogie wheel shaft, bogie will be carried out early warning to the fault that the transmission gear of traction electric machine bearing, bogie wheel set bearing and traction electric machine possibly exist this status information.
With the rolling stock is that motor train unit train is an example.Data processing unit 103 utilizes frequency spectrum, cepstrum technology to accomplish the real-time monitoring to the vibration situation of the transmission gear of traction electric machine bearing, bogie wheel set bearing and traction electric machine of the wheel of bogie under the EMUs running status; And issuable fault carried out real-time diagnosis; When having fault, in time GB GB11347-89 and the international standard ISO3945 according to China gives early warning.Wherein, GB11347-89 is the large rotating machinery vibration severity in-site measurement and the evaluation criteria of China, and ISO3945 is international large rotating machinery vibration severity in-site measurement and evaluation criteria.The rotating speed of 103 pairs of bogie wheel shafts of data processing unit is analyzed, and obtains the orbit of shaft center of bogie wheel shaft, accomplishes the real-time diagnosis that issuable rotation imbalance of bogie wheel shaft and rotation is misaligned fault.Data processing unit 103 utilizes the vibratory impulse recognition technology to accomplish the real-time monitoring to railroad track damage and Railway Roadbed.
Technical scheme of the present invention can be accomplished the real-time diagnosis that issuable rotation imbalance of bogie wheel shaft and rotation is misaligned fault; To the real-time monitoring of the wheel of bogie under the EMUs running status, and can carry out real-time diagnosis to issuable fault to the duty of the transmission gear of traction electric machine bearing, bogie wheel set bearing and traction electric machine.Simultaneously; Utilize the real-time transmission characteristic of vibration; Through obtaining because the vibration and shock signal the during rolling stock that railroad track damage produces operation and since the vibration and shock signal the during operation of Railway Roadbed produces rolling stock railroad track damage and subgrade defect are monitored.Compare with traditional railway detection system, the present invention not only can carry out comprehensive diagnostic to the fault of rolling stock, and detection efficiency is high.
Above-mentioned preferred embodiment of the present invention and the institute's application technology principle of being merely, any technician who is familiar with the present technique field is in the technical scope that the present invention discloses, and the variation that can expect easily or replacement all should be encompassed in protection scope of the present invention.
Claims (5)
1. a railway dynamic detection system is characterized in that, comprises data perception unit, data acquisition unit and data processing unit;
Said data perception unit is arranged on the bogie; The wheel of tach signal, bogie that is used for real-time detection bogie wheel shaft is to the temperature signal and the vibration signal of the transmission gear of the temperature signal of the temperature signal of traction electric machine bearing and vibration signal, bogie wheel set bearing and vibration signal and traction electric machine, and exports to data acquisition unit;
Said data acquisition unit is used for converting said tach signal, temperature signal and the vibration signal of input into standard signal that data processing unit can be discerned, and exports to data processing unit;
Said data processing unit is used for converting the said standard signal of input into digital signal; And this digital signal analyzed, obtain status information and the failure message of the wheel of bogie wheel shaft, bogie to the transmission gear of traction electric machine bearing, bogie wheel set bearing and traction electric machine.
2. railway dynamic detection system according to claim 1 is characterized in that, said data perception unit also is used for
Vibration and shock signal when the rolling stock that real-time detection produces owing to the railroad track damage moves; This vibration and shock signal is handled back input data processing unit through data acquisition unit and is handled, and obtains the damage information of railroad track.
3. railway dynamic detection system according to claim 2 is characterized in that, said data perception unit is further used for
Vibration and shock signal when the rolling stock that real-time detection produces owing to Railway Roadbed moves; This vibration and shock signal is handled back input data processing unit through data acquisition unit and is handled, and obtains Railway Roadbed information.
4. railway dynamic detection system according to claim 3 is characterized in that said data processing unit also is used for
Analyze the status information of the wheel of bogie wheel shaft, bogie, the fault that possibly exist is carried out early warning the transmission gear of traction electric machine bearing, bogie wheel set bearing and traction electric machine.
5. railway dynamic detection system according to claim 4; It is characterized in that said data perception unit specifically comprises: speed probe, motor bearings temperature sensor, motor bearings vibration transducer, wheel set bearing temperature sensor, wheel set bearing vibration transducer, motor gear temperature sensor, motor gear vibration transducer, track damage vibration transducer and subgrade defect vibration transducer;
Said speed probe is used for the tach signal of real-time detection bogie wheel shaft;
Said motor bearings temperature sensor and motor bearings vibration transducer are respectively applied for temperature signal and the vibration signal of the wheel of real-time detection bogie to the traction electric machine bearing;
Said wheel set bearing temperature sensor and wheel set bearing vibration transducer are respectively applied for the temperature signal and the vibration signal of real-time detection bogie wheel set bearing;
Said motor gear temperature sensor and motor gear vibration transducer are respectively applied for real-time detection motor gear temperature sensor and motor gear vibration transducer;
Said track damage vibration transducer is arranged on the bogie, is used for real-time detection because the vibration and shock signal during rolling stock operation that the railroad track damage produces;
Said subgrade defect vibration transducer is arranged on the bogie, is used for real-time detection because the vibration and shock signal the during operation of Railway Roadbed produces rolling stock.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210272815.6A CN102798413B (en) | 2012-08-01 | 2012-08-01 | A kind of railway dynamic detection system |
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| CN201210272815.6A CN102798413B (en) | 2012-08-01 | 2012-08-01 | A kind of railway dynamic detection system |
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| CN102798413B CN102798413B (en) | 2016-02-03 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103847761A (en) * | 2012-11-30 | 2014-06-11 | 建维科技（深圳）有限公司 | System and method for monitoring cracks and damage of rail in real time |
| CN107161168A (en) * | 2017-05-26 | 2017-09-15 | 华东交通大学 | Rail smooth degree on train bogie dynamically adjusts adaptive device and control method |
| CN108318263A (en) * | 2018-01-30 | 2018-07-24 | 中道恒通（北京）科技有限公司 | A kind of locomotive vibration condition monitoring system |
| CN109318716A (en) * | 2017-12-20 | 2019-02-12 | 中车长春轨道客车股份有限公司 | A kind of traction electric machine bearing temperature monitoring alarm control method, system and relevant apparatus |
| CN115598456A (en) * | 2022-11-29 | 2023-01-13 | 科瑞工业自动化系统（苏州）有限公司（Cn） | Train fault online monitoring method and system |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103847761A (en) * | 2012-11-30 | 2014-06-11 | 建维科技（深圳）有限公司 | System and method for monitoring cracks and damage of rail in real time |
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| CN107161168A (en) * | 2017-05-26 | 2017-09-15 | 华东交通大学 | Rail smooth degree on train bogie dynamically adjusts adaptive device and control method |
| CN109318716A (en) * | 2017-12-20 | 2019-02-12 | 中车长春轨道客车股份有限公司 | A kind of traction electric machine bearing temperature monitoring alarm control method, system and relevant apparatus |
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| CN109318716B (en) * | 2017-12-20 | 2020-01-10 | 中车长春轨道客车股份有限公司 | Traction motor shaft temperature monitoring alarm control method, system and related device |
| CN108318263A (en) * | 2018-01-30 | 2018-07-24 | 中道恒通（北京）科技有限公司 | A kind of locomotive vibration condition monitoring system |
| CN108318263B (en) * | 2018-01-30 | 2020-09-25 | 中道恒通（北京）科技有限公司 | Locomotive vibration state monitoring system |
| CN115598456A (en) * | 2022-11-29 | 2023-01-13 | 科瑞工业自动化系统（苏州）有限公司（Cn） | Train fault online monitoring method and system |
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| CN102798413B (en) | 2016-02-03 |
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Address after: 100070 Beijing Fengtai District South Fourth Ring West Road 188 District 5 Building Patentee after: Beijing Railway Engineering Electromechanical Technology Research Institute Limited by Share Ltd Address before: 100070 Beijing Fengtai District South Fourth Ring West Road 188 District 5 Building Patentee before: Beijing Railway Institute of Mechanical and Electrical Engineering Co.,Ltd. |
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