CN205601866U - Lift -launch formula track inspection device - Google Patents
Lift -launch formula track inspection device Download PDFInfo
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- CN205601866U CN205601866U CN201520965772.9U CN201520965772U CN205601866U CN 205601866 U CN205601866 U CN 205601866U CN 201520965772 U CN201520965772 U CN 201520965772U CN 205601866 U CN205601866 U CN 205601866U
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Abstract
The utility model discloses a lift -launch formula track inspection device, including installing at the vibration detection unit of operation train axle box, bogie and automobile body and installing data acquisition unit and the data analysis unit at operation train automobile body. The utility model discloses useful result lies in, the measuring of track quality situation is carried out to the vibration result of utilizing lift -launch formula track inspection device to obtain, can reflect the track state effectively, and it is more accurate, it is convenient and high -efficient, there is stronger pertinence to common track disease among the urban rail transit, the operation characteristics that more can adapt to urban rail transit, thereby ensure the security of circuit and train, travelling comfort and reliability, practice thrift the track maintenance cost, the qualities of the urban rail transit operation are improved.
Description
Technical field
The present invention relates to rolling stock vibration measurement and track quality detection field, especially with regard to a kind of carrying type track detection method and device.
Background technology
Along with high-speed railway and the fast development of urban track traffic, the safety problem of railway and quantity of operation problem increasingly seem important, and the routine testing of its middle orbit is particularly important with maintenance.
At present, internal and international upper railroad track routine testing mainly uses physical dimension state-detection method, physical dimension state-detection method generally uses the geometric shape of the detection device measuring tracks such as image, laser, gyro, displacement meter, and whether conformance with standard is to reach to detect the purpose of track condition, but said method can not detect the actual dynamic action parameter between wheel track, it is impossible to be directly used in evaluation track structure situation and on train operating safety and the impact of stationarity.Though additionally, use the kinetics track detection method of instrumented wheelset can measure wheel-rail interaction power, but the making of instrumented wheelset is complicated with installation process, reliability is poor, it is impossible to gather data in the mode of carrying with car, affects track detecting efficiency.
Summary of the invention
The embodiment of the present invention is in order to solve the problems of the prior art, propose a kind of carrying type track detection method and device, the vibration utilizing vehicle axle box, bogie and car body that wheel-rail interaction causes carries out track condition detection, more comprehensively and efficiently detection track circuit problem, such that it is able to improve railroad track and the safety of running train and stationarity, and then improve operation and the service level of railway.
Embodiments provide a kind of carrying type track condition detection method, including:
Carrying type is detected device be quick installed on vehicle in use；
Detect and obtain axle box, bogie and body oscillating detection data；
Calculate described vibration detection data, it is thus achieved that the vibration valid data of different-waveband；
According to described vibration valid data, track quality condition is analyzed.
One further aspect of the most described method, by described carrying type detection device be installed on vehicle in use, with vehicle in use properly functioning time gather data.
Another further aspect of the most described method, is installed on described carrying type detection device on vehicle in use and includes that just vibration detecting unit is installed on the axle box of train, bogie and car body；Data acquisition unit is installed on the car body of train.
Another further aspect of the most described method, calculate described acceleration of vibration detection data, obtain described vibration detection data, obtain in the vibration valid data of different-waveband and also include, synchronize the orbital position mileage information that storage is corresponding in order to identify these vibration detection data.
Another further aspect of the most described method, described vibration detection data include axle box vertical acceleration, axle box transverse acceleration, bogie vertical acceleration, bogie transverse acceleration, car body vertical acceleration and values of lateral.
Another further aspect of the most described method, it is analyzed including to track according to described vibration valid data, by described vibration detection data according to different wave band effective component extractings, it is divided into different types, process for different types of vibration valid data, the output analysis result to track quality.
Another further aspect of the most described method, by described vibration detection data according to different wave band effective component extractings, it is divided into different types, process for different types of vibration valid data, export the analysis result to track quality to include, it is used for the frequency described vertical vibration higher than 20Hz evaluating local, rail driving face height class Short wave irregularity defect, a maximum is taken in the range of setting at one, when this maximum is more than the threshold value of a setting, the most described analysis result is to evaluate the rail gap of this track, plumb joint, there is local height Short wave irregularity defect in the rail driving face of rail level pit or frog, prompting user needs to overhaul track.
Another further aspect of the most described method, by described vibration detection data according to different wave band effective component extractings, it is divided into different types, process for different types of vibration valid data, export the analysis result to track quality to include, the frequency described vertical vibration higher than 20Hz is carried out the mobile virtual value in a fixed length window process, the continuous print height class Short wave irregularity defect existed in evaluating one, face of rail driving section, when described virtual value result is more than the threshold value of a setting, continuous print height class Short wave irregularity defect is there is in the most described analysis result for evaluating rail driving face, prompting user needs to overhaul track.
Another further aspect of the most described method, by described vibration detection data according to different wave band effective component extractings, it is divided into different types, process for different types of vibration valid data, export the analysis result to track quality to include, it is used for the frequency described oscillation crosswise between 0.5Hz to 20Hz evaluating the bad periodicity abnormal vibrations class defect caused of Wheel/rail Match, oscillation crosswise in one fixed length moving window is carried out virtual value calculating process, when described result of calculation is more than the threshold value of a setting, the most described analysis result is that this track Wheel/rail Match is bad causes abnormal oscillation crosswise, prompting user needs to overhaul track.
The embodiment of the present invention additionally provides a kind of carrying type track detection device, including:
Vibration detecting unit, is arranged on vehicle in use, for detecting the vibration of axle box, bogie and car body；
Data acquisition unit, is arranged on vehicle in use, for being acquired vibration data and storing；
Data analysis unit, is undertaken by the outer computer of car, is analyzed track quality condition according to described vibration valid data.
One further aspect of the most described device, also includes land marking unit, is connected with described data acquisition unit, has the orbital position residing for wheel of these vibration detection data for mark.
One further aspect of the most described device, also includes memorizer, is connected with described analytic unit and land marking unit respectively, in order to the mileage information identifying this vibration detection data respective carter position.
One further aspect of the most described device, described data acquisition unit farther includes data storage card, is used for storing vibration detection data, and these data are transferred to described data analysis unit.
One further aspect of the most described device, described analytic unit farther includes, sort module, processing module and output module.
Described sort module, is used for described vibration data according to different types of wave band effective component extracting, is divided into different types；
Described processing module, for processing for different types of vibration valid data；
Described output module, exports the analysis result for track for the result according to processing module.
Pass through the embodiment of the present invention, the testing result to axle box, bogie and the body oscillating of vehicle in use is utilized to carry out track detecting, effectively reflect the state of track, and it is more accurately, comprehensive and efficient, thus improve railroad track and the safety of running train and stationarity, and then improve operation and the service level of railway.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, accompanying drawing required in embodiment or description of the prior art will be briefly described below.It should be evident that the accompanying drawing in describing below is only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 show embodiment of the present invention one carrying type track detection method flow chart；
Fig. 2 show the structural representation of the embodiment of the present invention a kind of carrying type track detection device；
Fig. 3 show the structural representation of embodiment of the present invention data analysis unit；
Fig. 4 show the embodiment of the present invention and utilizes the high frequency vertical vibration analysis process figure to states such as rail gaps；
Fig. 5 show the embodiment of the present invention and utilizes the high frequency vertical vibration analysis process figure to rail level Short wave irregularity；
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, all other embodiments that this area general technical staff is obtained under not making creative work premise, broadly fall into protection scope of the present invention.
The inventor of the embodiment of the present invention finds, the detection method measuring vibration in prior art can detect vertical vibration and the oscillation crosswise of train axle box, bogie and car body, for analyzing vehicle stationarity in the process of moving；When vehicle travels on track, due to wheel-rail interaction, track to wheel to impulsive force can produce vibration, and vibration can be by wheel to being transferred to axle box, bogie and car body, and therefore these different vibrations produced by track reflect the situation of track.The Short wave irregularity of such as track can produce dither etc. to axle box and framework.Inventor of the invention below utilizes the measurement to the vibration of vehicle in use to define to track disease and to rail safety and the detection scheme of stationarity.
It is illustrated in figure 1 the flow chart of the embodiment of the present invention a kind of carrying type track detection method.
Step 101, is installed on carrying type track geometry measuring device on vehicle in use, is arranged on the axle box of vehicle in use, bogie and car body including by acceleration transducer, and vibrating data collection unit and memory element is placed on vehicle in use.
Step 102, obtains axle box, bogie and the detection data of body oscillating by the vibration measurement unit being arranged on vehicle in use.
Step 103, calculates described vibration detection data, it is thus achieved that the vibration valid data of different-waveband.
Step 104, is analyzed track quality condition according to described vibration valid data.
As a further aspect of the embodiment of the present invention, also include in described step 103, the orbital position mileage information that synchronous memories is corresponding in order to identify these vibration detection data.The particular location of the track that goes wrong after track is analyzed, can be found by this mileage information.
As one of the embodiment of the present invention further with aspect, in described step 103, described vibration detection data include that axle box vertical vibration, axle box oscillation crosswise, bogie vertical vibration, bogie oscillation crosswise, car body vertical vibration, cross-car are vibrated.
As one of the embodiment of the present invention further with aspect, in described step 104, process for different types of vibration valid data, the analysis result of output track.
As one of the embodiment of the present invention further with aspect, it is used for evaluating impact class defect by the frequency described vertical vibration higher than 40Hz, a maximum is taken in the range of setting at one, rail gap, plumb joint, rail level pit or the defect of frog is analyzed according to this maximum, such as take a maximum in the range of every meter, when this maximum more than one setting threshold value time, the most described analysis result be this track rail gap or weld first-class state need maintenance.
A further aspect as the embodiment of the present invention, the frequency described vertical vibration higher than 40Hz is carried out the rolling average Integral Processing in a fixed length window, for evaluating tremor class defect, the Short wave irregularity state of rail level is analyzed according to result, such as it is integrated processing to the vertical vibration in the range of two meters, when described Integral Processing result is more than the threshold value of a setting, then analysis result is that this rail level exists Short wave irregularity defect.
Another further aspect according to embodiments of the present invention, carries out root mean square calculation process by the frequency described oscillation crosswise between 0.5Hz to 10Hz cross force in a fixed length window ranges, is used for evaluating axle pendulum class defect.Such as, to the frequency in 30 meters of window ranges at 0.5Hz to 10Hz between oscillation crosswise calculate root-mean-square, when described result of calculation is more than the threshold value of a setting, then analysis result is that this oscillation crosswise unusual fluctuations occurs, and this track exists the defect of the oscillation crosswise effect easily causing rolling car.
Pass through above-described embodiment, by train vibration detection data are analyzed, obtain the evaluation of track quality state, avoid and prior art only has geometry detection mode there is no the defect of kinetics function parameter detecting mode, improve high efficiency and the stability of kinetics track detecting simultaneously, corresponding orbital position can be navigated to the most exactly so that track maintenance and defect regulation are convenient, further increase safety and the comfortableness of track traffic by mileage mark.
It is illustrated in figure 2 the structural representation of the embodiment of the present invention a kind of carrying type track detection device.
Including vibration detecting unit 201, vibration calculating unit 202, vibration analysis unit 203.
Wherein vibration acquisition unit 201, is arranged on vehicle in use, for detecting axle box, bogie and car body.
Vibration calculating unit 202, is arranged on vehicle in use, is connected with described vibration detecting unit 201, for calculating the detection data of described vibration detecting unit 201 output, it is thus achieved that the vibration valid data of different-waveband.
Vibration analysis unit 203, is connected by storage card 206 with described vibration calculating unit 202, for being analyzed track circuit quality according to described vibration valid data.
As a further aspect of the embodiment of the present invention, also include land marking unit 204, be installed on vehicle in use, be connected with described vibration calculating unit 202 that there is the orbital position of these vibration detection data for mark.The exact position of respective carter disease can be found after analyzing track condition by this mileage information.
A further aspect as the embodiment of the present invention, also include memorizer 205, it is arranged on vehicle in use, it is connected with described land marking unit 204, and be connected with described vibration analysis unit 203 by described storage card 206, for storing the mileage information identifying this vibration detection data respective carter position.The track quality of mileage piecemeal can also be made analysis and be judged by described vibration analysis unit 203, exports mileage information, to determine the track Damage Types of respective segments while output analysis result.
As a further aspect of the embodiment of the present invention, described computing unit 202 calculates the vibration detection data obtained and includes axle box vertical acceleration, axle box transverse acceleration, framework vertical acceleration, framework transverse acceleration, car body vertical acceleration and values of lateral.
As a further aspect of the embodiment of the present invention, described vibration analysis unit 203 is as it is shown on figure 3, farther include sort module 2031, processing module 2032 and output module 2033.
Wherein, sort module 2031, it is used for described vibration detection data according to different wave band effective component extractings, is divided into different types.
Processing module 2032, for processing for different types of vibration valid data.
Output module 2033, exports the analysis result for track for the result according to described processing module 2032.
Described analytic unit 203 carries out the analysis as described in said method, again repeats no more.
Fig. 4 show the embodiment of the present invention and utilizes the analysis process figure of vertical vibration tracking gap-like state.
Step 401, obtains the vibration detection data of the axle box of vehicle in use, bogie and car body from acceleration transducer.
Step 402, calculates the vertical acceleration of axle box, framework and car body according to vibration detection data.
Step 403, according to the frequency categorization of vertical vibration, obtains the frequency vertical acceleration more than 20Hz.
Step 404, obtains a maximum in the range of every meter.
Step 405, if the threshold value that described maximum sets more than, then illustrates that the rail gap of track at this, plumb joint state occur abnormal.
Step 406, exports above-mentioned analysis result.
The embodiment of the present invention shown in Fig. 5 utilizes the vertical vibration analysis process figure to track Short wave irregularity.
Step 501, obtains vibration detection data from the axle box of vehicle in use, bogie and car body.
Step 502, calculates vertical acceleration according to detection data.
Step 503, according to the frequency categorization of vertical vibration, obtains the frequency vertical acceleration more than 20Hz.
Step 504, if frequency occurs, at a certain section, the dither that amplitude is bigger, then illustrates that this section rail exists the Short wave irregularities such as undulatory wear.
Beneficial outcomes as the embodiment of the present invention is, the vibration detection data to axle box, bogie and the car body of vehicle in use are utilized to carry out the detection of track quality situation, reflect track condition simply and effectively, and can be with car collection, do not affect the normal operation of vehicle, thus reach to detect the daily disease of track fast and efficiently.
Particular embodiments described above mode; the purpose of the present invention, technical scheme and beneficial effect are further described; it is it should be understood that; the foregoing is only the detailed description of the invention of the present invention; the protection domain being not intended to limit the present invention; all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. done, should be included within the scope of the present invention.
Claims (5)
1. carrying type track detection device, it is characterised in that be arranged on vehicle in use, with vehicle in use properly functioning time gather data.
2. a carrying type track detection device, its feature includes:
Vibration detecting unit, is arranged on the axle box of vehicle in use, bogie and car body, for detecting the vibration of axle box, bogie and the car body of train；
Data acquisition unit, is connected with described vibration detecting unit, gathers and record described vibration valid data；
Data analysis unit, for being analyzed track quality condition according to described vibration valid data.
The most according to claim 2, device, it is characterised in that also include land marking unit, be connected with affiliated data acquisition unit, has the orbital position residing at the wheel of these vibration detection data for mark；
Also include memorizer, be connected with described data acquisition unit and land marking unit respectively, for the orbital position mileage information that storage is corresponding in order to identify these vibration detection data.
Device the most according to claim 2, it is characterised in that described data acquisition unit, also includes data storage card, is used for storing vibration detection data, and these data are transferred to described data analysis unit.
Device the most according to claim 2, it is characterised in that described data analysis unit farther includes, sort module, processing module and output module,
Described sort module, is used for described vibration detection data according to different types of wave band effective component extracting, is divided into different types；
Described processing module, for processing for different types of vibration valid data；
Described output module, exports the analysis result for track for the result according to processing module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520965772.9U CN205601866U (en) | 2015-11-30 | 2015-11-30 | Lift -launch formula track inspection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520965772.9U CN205601866U (en) | 2015-11-30 | 2015-11-30 | Lift -launch formula track inspection device |
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| CN205601866U true CN205601866U (en) | 2016-09-28 |
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| CN201520965772.9U Expired - Fee Related CN205601866U (en) | 2015-11-30 | 2015-11-30 | Lift -launch formula track inspection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106960285A (en) * | 2017-04-01 | 2017-07-18 | 北京交通大学 | A kind of subway train operation service quality detection device and method |
| CN111065567A (en) * | 2017-08-31 | 2020-04-24 | 日本制铁株式会社 | Inspection system, inspection method, and program |
-
2015
- 2015-11-30 CN CN201520965772.9U patent/CN205601866U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106960285A (en) * | 2017-04-01 | 2017-07-18 | 北京交通大学 | A kind of subway train operation service quality detection device and method |
| CN106960285B (en) * | 2017-04-01 | 2021-01-08 | 北京交通大学 | Subway train operation service quality detection device and method |
| CN111065567A (en) * | 2017-08-31 | 2020-04-24 | 日本制铁株式会社 | Inspection system, inspection method, and program |
| CN111065567B (en) * | 2017-08-31 | 2021-04-13 | 日本制铁株式会社 | Inspection system, inspection method, and computer-readable storage medium |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160928 Termination date: 20191130 |
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| CF01 | Termination of patent right due to non-payment of annual fee |