CN106740983A - A kind of track is broken monitoring method and device - Google Patents
A kind of track is broken monitoring method and device Download PDFInfo
- Publication number
- CN106740983A CN106740983A CN201710007811.8A CN201710007811A CN106740983A CN 106740983 A CN106740983 A CN 106740983A CN 201710007811 A CN201710007811 A CN 201710007811A CN 106740983 A CN106740983 A CN 106740983A
- Authority
- CN
- China
- Prior art keywords
- ultrasonic signal
- sonac
- track
- conditioned
- monitoring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 title claims abstract description 46
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 81
- 230000001143 conditioned effect Effects 0.000 claims abstract description 34
- 238000003776 cleavage reaction Methods 0.000 claims abstract description 29
- 230000007017 scission Effects 0.000 claims abstract description 29
- 238000002604 ultrasonography Methods 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 6
- 238000012806 monitoring device Methods 0.000 claims description 5
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 7
- 238000010010 raising Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000003862 health status Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K9/00—Railway vehicle profile gauges; Detecting or indicating overheating of components; Apparatus on locomotives or cars to indicate bad track sections; General design of track recording vehicles
- B61K9/08—Measuring installations for surveying permanent way
- B61K9/10—Measuring installations for surveying permanent way for detecting cracks in rails or welds thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
- B61L23/04—Control, warning or like safety means along the route or between vehicles or trains for monitoring the mechanical state of the route
- B61L23/042—Track changes detection
- B61L23/044—Broken rails
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The application provides a kind of track fracture monitoring method and device.The first sonac and the second sonac are respectively provided with the two ends of orbital segment to be monitored in advance, first sonac and the second sonac are respectively used to monitor the ultrasonic signal in track；Method includes：Obtain the first ultrasonic signal that the first sonac monitoring is obtained, and the second ultrasonic signal that second sonac monitoring is obtained；Judge whether first ultrasonic signal or second ultrasonic signal meet pre-conditioned；If at least one of first ultrasonic signal or second ultrasonic signal meet pre-conditioned, determine track cleavage event in the orbital segment.The application determines that at least one of the first ultrasonic signal or second ultrasonic signal meet pre-conditioned by monitoring, and determines that the orbital segment occurs track cleavage event, and the track fracture monitoring method that the application is provided realizes simple, low cost, low in energy consumption.
Description
Technical field
The application is related to space flight detection and railway security technical field, more particularly to a kind of track based on Acoustic detection to break
Split monitoring method and device.
Background technology
With the development of modern economy, to the degree of dependence more and more higher of railway transportation, input of the country to railway transportation
Also persistently increase, construction of the railway network achieves the development of great-leap-forward, while the requirement to train running speed is also stepped up.
In recent years, China railways experienced six extensive speed-raisings, and raising speed railway has reached 16500 kilometers, continuous in the speed of train
While raising, the amount of starting of train also gradually increases.China railways traffic driving is still based on passenger-cargo co, and train density is high
Rank first in the world.These factors all propose requirement higher to the efficient public security system of train operation, and safety is railway fortune
Defeated eternal theme, in this case, it is ensured that the high speed of train, safety, steady, uninterrupted operation turn into railway efficient transportation
An important mission.
Military service safety of the railway operation safety mainly for railroad rail.Monitored by studying the whole network rail break, realized to iron
The safety detection of rail service state, can in time find rail break event, it is to avoid major accident occurs.Therefore, realize disconnected to track
The monitoring split is to ensuring that tool is of great significance railway operation safely.
At present, China mainly manually patrols rail car and large-scale rail-defect detector car regular visit using hand propelled inspection car, or adopts
Rail break detection is carried out to methods such as rail real-time monitorings with track circuit.But these rail break detection methods realize complicated, power consumption
Greatly, high cost.Therefore it provides a kind of realize that simple, low cost, the track fracture monitoring method of low-power consumption are to be badly in need of solving at present
A technical problem.
The content of the invention
In view of this, the application provides a kind of track fracture monitoring method and device, and it realizes simple, low cost, power consumption
Low, technical scheme is as follows：
One side based on the application, the application provides a kind of track fracture monitoring method, in advance in track to be monitored
The two ends of section are respectively provided with the first sonac and the second sonac, and first sonac and the second ultrasound are passed
Sensor is respectively used to monitor the ultrasonic signal in track；Methods described includes：
Obtain the first ultrasonic signal that the first sonac monitoring is obtained, and second sonac prison
The second ultrasonic signal for measuring；
Judge whether first ultrasonic signal or second ultrasonic signal meet pre-conditioned；
If at least one of first ultrasonic signal or second ultrasonic signal meet pre-conditioned, institute is determined
State and track cleavage event occurs in orbital segment.
Preferably, it is described to judge whether first ultrasonic signal or second ultrasonic signal meet pre-conditioned bag
Include：
Judge whether first ultrasonic signal or second ultrasonic signal include the sound of track fracture and Crack Extension
Learn characteristic information.
Preferably, after the determination orbital segment to be monitored occurs track cleavage event, methods described also includes：
Determine that first ultrasonic signal meets the first pre-conditioned moment, and second ultrasonic signal meets pre-
If the second moment of condition；
Calculate the time difference at first moment and second moment；
According to the time difference, ultrasonic signal spread speed and first sonac and the second ultrasonic sensing
The distance between device is worth, and calculates and the position of track cleavage event occurs on the orbital segment.
Preferably, obtain after first ultrasonic signal and/or the second ultrasonic signal, methods described also includes：
The first ultrasonic signal and/or the second ultrasonic signal to getting are pre-processed.
Preferably, first sonac and the second sonac are piezoelectric type acoustic sensor.
Another aspect based on the application, the application provides a kind of track break monitoring device, including：
At least two sonacs, at least two sonac includes the first sonac and the second ultrasound
Sensor, first sonac and the second sonac are separately positioned on the two ends of orbital segment to be monitored, are used for
Ultrasonic signal in monitoring track；
Acquiring unit, for obtaining the first ultrasonic signal that first sonac monitoring is obtained, and described the
The second ultrasonic signal that the monitoring of two sonacs is obtained；
Judging unit, for judging whether first ultrasonic signal or second ultrasonic signal meet pre-conditioned；
First determining unit, for judging first ultrasonic signal or second ultrasonic signal when the judging unit
At least one of when meeting pre-conditioned, determine that the orbital segment occurs track cleavage event.
Preferably, the judging unit is specifically for judging that first ultrasonic signal or second ultrasonic signal are
The no acoustic feature information including track fracture and Crack Extension.
Preferably, also include：
Second determining unit is for determining that first ultrasonic signal meets the first pre-conditioned moment and described
Second ultrasonic signal meets the second pre-conditioned moment；
First computing unit, the time difference for calculating first moment and second moment；
Second computing unit, for according to the time difference, ultrasonic signal spread speed and first ultrasonic sensing
The distance between device and the second sonac are worth, and calculate and the position of track cleavage event occurs on the orbital segment.
Preferably, also include：
Pretreatment unit, pre-processes for the first ultrasonic signal and/or the second ultrasonic signal to getting.
Preferably, the sonac is piezoelectric type acoustic sensor.
In the track fracture monitoring method that the application is provided, first is respectively provided with the two ends of orbital segment to be monitored in advance
Sonac and the second sonac, first sonac and the second sonac are respectively used to real-time monitoring
Ultrasonic signal in track.When there is track cleavage event in orbital segment, what the monitoring of the first sonac was obtained the first surpasses
The second ultrasonic signal that acoustical signal and the monitoring of the second sonac are obtained can meet pre-conditioned, therefore, the application passes through
Monitoring determines that at least one of the first ultrasonic signal or second ultrasonic signal meet pre-conditioned, determines the orbital segment
Generation track cleavage event, the track fracture monitoring method that the application is provided realizes simple, low cost, low in energy consumption.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
A kind of flow chart of track fracture monitoring method that Fig. 1 is provided for the application；
Fig. 2 is the scheme of installation of sonac in the application；
A kind of another flow chart of track fracture monitoring method that Fig. 3 is provided for the application；
A kind of structural representation of track break monitoring device that Fig. 4 is provided for the application；
A kind of another structural representation of track break monitoring device that Fig. 5 is provided for the application.
Specific embodiment
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 carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1 is referred to, it illustrates the flow chart that a kind of track that the application is provided is broken monitoring method.In concrete application
Before the application method, the first sonac and the second ultrasound are respectively provided with the two ends of orbital segment to be monitored in advance first
Sensor, as shown in Fig. 2 first sonac and the second sonac are respectively used to monitor the ultrasound letter in track
Number.For length track more long, the application can in orbit be spaced fixed range and set a sonac, lead to
Spaced multiple sonacs in orbit are crossed, is multiple orbital segments by division of period orbit, the monitoring object of the application is
It is the orbital segment between each two sonac.Specifically, method includes：
Step 101, obtains the first ultrasonic signal that the first sonac monitoring is obtained, and second ultrasound
The second ultrasonic signal that Sensor monitoring is obtained.
During traveling, wheel can produce ultrasonic wave, the first sonac to set in-orbit to train with interorbital friction
One end of road section, the second sonac is arranged on the other end of orbital segment, the first sonac and the second sonac
Ultrasonic signal in the real-time monitoring orbital segment simultaneously.Clear for the ease of describing, the application monitors the first sonac
The ultrasonic signal for obtaining is referred to as the first ultrasonic signal, and the ultrasonic signal that the monitoring of the second sonac is obtained is referred to as into second
Ultrasonic signal.
In the application actual application, the first sonac and the second sonac can be specially piezoelectric type
Acoustic sensor, by piezoelectric type acoustics sensor implement body absorption on the flange of rail or the web of the rail of track, the piezoelectric type acoustics sensor
Device can receive the ultrasonic signal of 40kHz to 300kHz frequency band ranges.
In the application, when orbital segment does not occur track cleavage event, what the monitoring of the first sonac was obtained the first surpasses
Acoustical signal, and the characteristic parameter such as the second sonac monitoring frequency, the amplitude of the second ultrasonic signal that obtain all can be at certain
Smoothly presented in fixed range.
Step 102, judges whether first ultrasonic signal or second ultrasonic signal meet pre-conditioned.If full
Foot, performs step 103, if be unsatisfactory for, returns and performs step 101.
Specifically, the application can use time frequency analysis side after the first ultrasonic signal and the second ultrasonic signal is got
Method is analyzed to it, and now the step 102 can be with specifically, judge first ultrasonic signal or the second ultrasound letter
Number whether include track fracture and Crack Extension acoustic feature information.Wherein, acoustic feature information includes frequency of sound wave, sound wave
Amplitude etc..When there is track cleavage event in orbital segment, the fracture of track or crackle can cause the first ultrasonic signal and the
The frequency of two ultrasonic signals changes, and the event acoustic feature dominant frequency of the fracture of its middle orbit and Crack Extension is in 120kHz-
Between 170kHz, therefore when there is track cleavage event in orbital segment, the frequency of the first ultrasonic signal and the second ultrasonic signal
Can fall in frequency band range 120kHz-170kHz, thus the application can be by judging the first ultrasonic signal and the second ultrasound
Whether whether the frequency of signal falls in the frequency band range to judging to learn in current orbit section track cleavage event.This
Outward, the time-domain signal of the first ultrasonic signal and the second ultrasonic signal can also occur obvious mutation, and its amplitude is significantly increased, this
Application can also realize judging whether track cleavage event occurs in current orbit section by judging its range value size.
The application is performed when judging that at least one of the first ultrasonic signal or the second ultrasonic signal meet pre-conditioned
Step 103, determines track cleavage event in the orbital segment.If the first ultrasonic signal and the second ultrasonic signal are discontented with
Foot is pre-conditioned, then show that track cleavage event do not occur in current orbit section, continues the first ultrasonic signal of acquisition in real time and the
Two ultrasonic signals.
Step 103, determines track cleavage event in the orbital segment.
It is preferred as the application, after step 101, step 100 can also be included, to the first ultrasound letter for getting
Number and/or the second ultrasonic signal pre-processed.Wherein pretreatment includes signal amplifies, filters, A/D is changed etc..
In the application actual application, the first sonac and the second sonac monitoring obtain the first surpass
Acoustical signal and the second ultrasonic signal can have that power is smaller, exist, therefore the application is getting first
After ultrasonic signal and the second ultrasonic signal, it is amplified successively, the ultrasonic signal that its frequency is below 100kHz is filtered,
A/D conversions etc., to ensure the accuracy of ultrasonic signal.
Therefore in the track fracture monitoring method that the application is provided, it is respectively provided with the two ends of orbital segment to be monitored in advance
First sonac and the second sonac, first sonac and the second sonac are respectively used in real time
Ultrasonic signal in monitoring track.When there is track cleavage event in orbital segment, the monitoring of the first sonac obtain the
The second ultrasonic signal that one ultrasonic signal and the monitoring of the second sonac are obtained can meet pre-conditioned, therefore, the application
Determine that at least one of the first ultrasonic signal or second ultrasonic signal meet pre-conditioned by monitoring, determine the rail
There is track cleavage event in road section, the track fracture monitoring method that the application is provided realizes simple, low cost, low in energy consumption.
Further, the application determine in orbital segment occur track cleavage event after, can also further determine that errant
The specific position that track fracture or crackle occur in section, as shown in figure 3, on the basis of Fig. 1, also including：
Step 104, determines that first ultrasonic signal meets the first pre-conditioned moment, and the second ultrasound letter
Number meet the second pre-conditioned moment.
The application determines and records that generation meets default bar after the interior generation track cleavage event of current orbit section is determined
First moment of the first ultrasonic signal of part, and produce the second moment for meeting the second pre-conditioned ultrasonic signal.
Specifically, the application can extract the time for producing the obvious rising edge for meeting the first pre-conditioned ultrasonic signal
Information extracts the temporal information conduct for producing the obvious rising edge for meeting the second pre-conditioned ultrasonic signal as the first moment
Second moment.
Step 105, calculates the time difference at first moment and second moment.
Step 106, according to the time difference, ultrasonic signal spread speed and first sonac and second
The distance between sonac is worth, and calculates and the position of track cleavage event occurs on the orbital segment.
The track fracture monitoring method that the application is provided has the following advantages that：
1st, the application be applied to switch area tongue, heart rail, wing rail, stock rail fracture and serious hurt real-time monitoring；
2nd, the application is not take up rail, does not influence track normally to run；
3rd, the application can realize long-range monitoring, and positioning fracture is accurate, being capable of directly and exactly guide maintenance personnel
Reach the spot maintenance, patrolled and examined without the whole region in longer lines, save the rail repair time；
4th, the application can realize the detection of track Crack Extension and track fracture, before it there is thorough rail break, you can detection
Go out the health status of its rail service phase, determine whether that slight crack, Crack Extension etc. occur, early find to damage, realize early
Phase early warning；
5th, the application may extend to the Integrity Verification of rail fastening etc..
Monitoring method is broken based on a kind of track that the application above is provided, the application also provides a kind of track fracture monitoring
Device, as shown in figure 4, including：
At least two sonacs 100, at least two sonac 100 includes the first sonac 101
With the second sonac 102, the sonac 102 of first sonac 101 and second is separately positioned on to be monitored
Orbital segment two ends, for monitoring the ultrasonic signal in track；The sonac 100 is specially piezoelectric type acoustics sensor
Device；
Acquiring unit 200, the first ultrasonic signal for obtaining is monitored for obtaining first sonac 101, and
Second sonac 102 monitors the second ultrasonic signal for obtaining；
Judging unit 300, for judging whether first ultrasonic signal or second ultrasonic signal meet default bar
Part；
First determining unit 400, for when the judging unit 300 judges first ultrasonic signal or described the second surpasses
When at least one of acoustical signal meets pre-conditioned, determine that the orbital segment occurs track cleavage event.
Wherein, the judging unit 300 is specifically for judging that first ultrasonic signal or second ultrasonic signal are
The no acoustic feature information including track fracture and Crack Extension.
Preferably, the application can also include, as shown in Figure 5：
Second determining unit 500, for determining that first ultrasonic signal meets the first pre-conditioned moment, Yi Jisuo
State the second ultrasonic signal and meet the second pre-conditioned moment；
First computing unit 600, the time difference for calculating first moment and second moment；
Second computing unit 700, for according to the time difference, ultrasonic signal spread speed and first ultrasound
The distance between sonac 102 of sensor 101 and second is worth, and calculates and the position of track cleavage event occurs on the orbital segment
Put；
And, pretreatment unit 800 is carried out pre- for the first ultrasonic signal and/or the second ultrasonic signal to getting
Treatment.
It should be noted that each embodiment in this specification is described by the way of progressive, each embodiment weight
Point explanation is all difference with other embodiment, between each embodiment identical similar part mutually referring to.
For device class embodiment, because it is substantially similar to embodiment of the method, so description is fairly simple, related part ginseng
See the part explanation of embodiment of the method.
Finally, in addition it is also necessary to explanation, herein, such as first and second or the like relational terms be used merely to by
One entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operation
Between there is any this actual relation or order.And, term " including ", "comprising" or its any other variant meaning
Covering including for nonexcludability, so that process, method, article or equipment including a series of key elements not only include that
A little key elements, but also other key elements including being not expressly set out, or also include for this process, method, article or
The intrinsic key element of equipment.In the absence of more restrictions, the key element limited by sentence "including a ...", does not arrange
Except also there is other identical element in the process including the key element, method, article or equipment.
A kind of track fracture monitoring method provided herein and device are described in detail above, herein should
The principle and implementation method of the application are set forth with specific case, the explanation of above example is only intended to help and manages
Solution the present processes and its core concept；Simultaneously for those of ordinary skill in the art, according to the thought of the application,
Be will change in specific embodiment and range of application, in sum, this specification content should not be construed as to this Shen
Limitation please.
Claims (10)
1. a kind of track is broken monitoring method, it is characterised in that be respectively provided with first at the two ends of orbital segment to be monitored in advance
Sonac and the second sonac, first sonac and the second sonac are respectively used to monitor track
In ultrasonic signal；Methods described includes：
The first ultrasonic signal that the first sonac monitoring is obtained is obtained, and second sonac is monitored
The second ultrasonic signal for arriving；
Judge whether first ultrasonic signal or second ultrasonic signal meet pre-conditioned；
If at least one of first ultrasonic signal or second ultrasonic signal meet pre-conditioned, the rail is determined
There is track cleavage event in road section.
2. method according to claim 1, it is characterised in that judgement first ultrasonic signal described the second surpasses
Acoustical signal whether meet it is pre-conditioned including：
Judge whether first ultrasonic signal or second ultrasonic signal include the acoustics spy of track fracture and Crack Extension
Reference ceases.
3. method according to claim 1 and 2, it is characterised in that the determination orbital segment to be monitored occurs rail
After road cleavage event, methods described also includes：
Determine that first ultrasonic signal meets the first pre-conditioned moment, and second ultrasonic signal meets default bar
Second moment of part；
Calculate the time difference at first moment and second moment；
According to the time difference, ultrasonic signal spread speed and first sonac and the second sonac it
Between distance value, calculate and the position of track cleavage event occur on the orbital segment.
4. method according to claim 3, it is characterised in that obtain first ultrasonic signal and/or the second ultrasound letter
Number afterwards, methods described also includes：
The first ultrasonic signal and/or the second ultrasonic signal to getting are pre-processed.
5. method according to claim 1, it is characterised in that first sonac and the second sonac are equal
It is piezoelectric type acoustic sensor.
6. a kind of track break monitoring device, it is characterised in that including：
At least two sonacs, at least two sonac includes the first sonac and the second ultrasonic sensing
Device, first sonac and the second sonac are separately positioned on the two ends of orbital segment to be monitored, for monitoring
Ultrasonic signal in track；
Acquiring unit, for obtaining the first ultrasonic signal that first sonac monitoring is obtained, and described the second surpasses
The second ultrasonic signal that sonic transducer monitoring is obtained；
Judging unit, for judging whether first ultrasonic signal or second ultrasonic signal meet pre-conditioned；
First determining unit, in judging first ultrasonic signal or second ultrasonic signal when the judging unit
At least one when meeting pre-conditioned, determines that the orbital segment occurs track cleavage event.
7. device according to claim 6, it is characterised in that the judging unit is specifically for judging described the first to surpass
Whether acoustical signal or second ultrasonic signal include the acoustic feature information of track fracture and Crack Extension.
8. the device according to claim 6 or 7, it is characterised in that also include：
Second determining unit, for determining that first ultrasonic signal meets the first pre-conditioned moment, and described second
Ultrasonic signal meets the second pre-conditioned moment；
First computing unit, the time difference for calculating first moment and second moment；
Second computing unit, for according to the time difference, ultrasonic signal spread speed and first sonac and
The distance between second sonac is worth, and calculates and the position of track cleavage event occurs on the orbital segment.
9. device according to claim 8, it is characterised in that also include：
Pretreatment unit, pre-processes for the first ultrasonic signal and/or the second ultrasonic signal to getting.
10. device according to claim 6, it is characterised in that the sonac is piezoelectric type acoustic sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710007811.8A CN106740983B (en) | 2017-01-05 | 2017-01-05 | A kind of track fracture monitoring method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710007811.8A CN106740983B (en) | 2017-01-05 | 2017-01-05 | A kind of track fracture monitoring method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106740983A true CN106740983A (en) | 2017-05-31 |
| CN106740983B CN106740983B (en) | 2019-02-19 |
Family
ID=58950712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710007811.8A Active CN106740983B (en) | 2017-01-05 | 2017-01-05 | A kind of track fracture monitoring method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106740983B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107607618A (en) * | 2017-09-07 | 2018-01-19 | 新疆金风科技股份有限公司 | The crack warning method and crack warning system of the hardware of wind power generating set |
| CN113650647A (en) * | 2020-05-12 | 2021-11-16 | 韩国铁道技术研究院 | Rail breakage determination system and method for determining rail breakage using the same |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3960005A (en) * | 1974-08-09 | 1976-06-01 | Canac Consultants Limited | Ultrasonic testing device for inspecting thermit rail welds |
| CN101424664A (en) * | 2008-12-05 | 2009-05-06 | 中国铁道科学研究院金属及化学研究所 | Rail tread crack ultrasonic detection device and detecting method |
| CN102416970A (en) * | 2011-10-12 | 2012-04-18 | 北京安通伟业铁路工务技术有限公司 | On-line steel rail fracture monitoring system and knock detection method |
| CN103472134A (en) * | 2013-08-05 | 2013-12-25 | 河北省自动化研究所 | Method for detecting steel rail fracture point by using sound |
-
2017
- 2017-01-05 CN CN201710007811.8A patent/CN106740983B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3960005A (en) * | 1974-08-09 | 1976-06-01 | Canac Consultants Limited | Ultrasonic testing device for inspecting thermit rail welds |
| CN101424664A (en) * | 2008-12-05 | 2009-05-06 | 中国铁道科学研究院金属及化学研究所 | Rail tread crack ultrasonic detection device and detecting method |
| CN102416970A (en) * | 2011-10-12 | 2012-04-18 | 北京安通伟业铁路工务技术有限公司 | On-line steel rail fracture monitoring system and knock detection method |
| CN103472134A (en) * | 2013-08-05 | 2013-12-25 | 河北省自动化研究所 | Method for detecting steel rail fracture point by using sound |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107607618A (en) * | 2017-09-07 | 2018-01-19 | 新疆金风科技股份有限公司 | The crack warning method and crack warning system of the hardware of wind power generating set |
| CN113650647A (en) * | 2020-05-12 | 2021-11-16 | 韩国铁道技术研究院 | Rail breakage determination system and method for determining rail breakage using the same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106740983B (en) | 2019-02-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101900708B (en) | Vibration and audio signal-based high-speed train track defect detecting method | |
| CN107215353B (en) | A kind of long-range monitoring and early warning method of track structure disease | |
| CN103592122B (en) | Fault diagnosis device and method for urban rail transit train running gear | |
| CN102923164B (en) | High-speed rail health monitoring system based on ultrasonic guide wave and wireless network | |
| CN106394606B (en) | A kind of railway car wheel loses circle detection method and detection device | |
| CN103217475B (en) | A kind of pick-up unit of seamless track steel rail | |
| CN104833534A (en) | Train running fault diagnosis device based on multi-source information fusion, and method | |
| CN108845028A (en) | A kind of rail in high speed railway wave mill dynamic testing method and device | |
| CN110658005A (en) | Method for identifying rail corrugation diseases based on vehicle body acceleration | |
| CN107650945A (en) | A kind of recognition methods of wheel polygon and its device based on vertical wheel rail force | |
| CN107917957B (en) | Damage detection method for plate-shaped structure | |
| CN106740983A (en) | A kind of track is broken monitoring method and device | |
| CN102230915A (en) | Device and method for flaw detection of small crawler-type rails based on three-way ultrasonic diffraction | |
| CN108709932A (en) | A kind of track condition detection method based on supersonic guide-wave broken rail detecting system | |
| CN103675099A (en) | Rail flange defect monitoring system and method based on magnetostrictive torsional guided waves | |
| Peng et al. | Wayside wheel-rail vertical contact force continuous detecting method and its application | |
| CN105181803A (en) | Vehicle-mounted wheel set flaw detection method and system | |
| CN206561853U (en) | A kind of track break monitoring device | |
| CN102798413B (en) | A kind of railway dynamic detection system | |
| CN105372080B (en) | A kind of tramcar and its embedded tracks Coupled Dynamics test device and method | |
| CN207060073U (en) | A kind of railroad train is close to prior-warning device | |
| CN110745160B (en) | Real-time detection and alarm system and method for fracture damage of switch blade of railway switch | |
| CN107860467A (en) | A kind of test system and equipment of rail vehicle radiated noise | |
| CN105113349B (en) | A kind of non-fragment orbit safety detection method | |
| CN107664662B (en) | Long-distance steel rail damage detector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |