CN106197332B - The longitudinally displaced detection device of track seam and method - Google Patents
The longitudinally displaced detection device of track seam and method Download PDFInfo
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- CN106197332B CN106197332B CN201610531127.5A CN201610531127A CN106197332B CN 106197332 B CN106197332 B CN 106197332B CN 201610531127 A CN201610531127 A CN 201610531127A CN 106197332 B CN106197332 B CN 106197332B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B17/00—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/026—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by measuring distance between sensor and object
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
- G01B7/023—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring distance between sensor and object
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- General Physics & Mathematics (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention discloses a kind of longitudinally displaced detection device of track seam and methods, detection device includes at least two distance measuring sensors, distance measuring sensor is set to the lower section of rail, distance measuring sensor is used to detect the fore-and-aft distance between the lower surface of rail and distance measuring sensor, and distance measuring sensor is fixedly mounted on the sleeper (6) or pedestal (7) of track.Detection method includes: the longitudinally displaced detection device of attachment rail seam；Reference measurement, calculating benchmark fore-and-aft distance are poor；Dislocation detection, it is poor to calculate instant fore-and-aft distance；Compare the numerical value of instant fore-and-aft distance difference Yu benchmark fore-and-aft distance difference, analysis dislocation.Real-time detection can be achieved in the present invention, and detection process does not influence the normal operation of train, is used conveniently and safely.The longitudinally displaced of rail is judged by detecting the distance between the sensor of fixed position and rail lower surface, and testing result is reliable and precision is high.Dynamic, long-range track seam dislocation detection can be achieved, be applicable to extensive batch detection.
Description
Technical field
The present invention relates to a kind of railway security detection devices, more particularly to a kind of longitudinally displaced detection device of track seam
And method.
Background technique
Chinese Railway undergoes the development of nearest more than ten years, gradually ranks among high-speed railway developed country of world ranks, Chinese iron
The great-leap-forward development paces on road have driven China Railway facility modernization, railway infrastructure management scientification, railway logical
Believe the process of facility information, railway infrastructure mechanization of maintenance, ensuring safety for China express railway transport science and technology, it is good to lay
Good basis.The process of Speed Increased Reformed also promotes the development of track.
With deepening continuously for Speed Increased Reformed engineering, the use of non-fragment orbit is also more and more extensive.Non-fragment orbit is also known as nothing
Be cut track, refers to the track structure for replacing shot ballast bed using mass-type foundations such as concrete, asphalts.Its sleeper sheet
Body is formed by concrete casting, and roadbed, without rubble, rail, sleeper are directly layered in way of concrete foundations.Non-fragment orbit is
The advanced railway technology in the world today, it is possible to reduce maintenance reduces dust, beautifies the environment, and train speed per hour can achieve 400
Kilometer or more.Non-fragment orbit ride comfort is good, and stability is good, long service life, and durability is good, and maintenance work is few, avoids splashing
Railway ballast.
A seam can be all arranged during construction, every 1.5KM or so in non-fragment orbit, which primarily serves
The effect of buffer protection.However, under the influence of the impact force brought by train is run at high speed for a long time, between the adjacent rail of seam crossing
It is easy to happen longitudinally displaced, this destroys the ride comforts of track, in some instances it may even be possible to which the derailing for directly contributing train seriously affects train
Traffic safety.
The detection mode of conventional seams dislocation is the sense that misplaces by track detection vehicle after train stops operation
Know, if track detection vehicle is clearly felt that longitudinal vibration when crossing seam crossing, preliminary judgement has occurred for rail
It is longitudinally displaced, further detection, which is carried out, by engineering detecting personnel again at this time verifies.This traditional detection mode has the following problems:
1) need to complete detection after withdrawal of train, train generally needs to stop transport to cooperate safety inspection, pole in morning 1-4 point
Rail transportation efficiency and benefit are affected in big degree, is existed very big using limitation.2) the micro-judgment rail of engineering staff is relied on
Whether road detection vehicle has longitudinal vibratory sensation when crossing seam crossing, and accuracy of measurement is not high.3) it cannot achieve in real time, dynamically
, long-range, extensive batch dislocation detection.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide it is a kind of in real time, dynamic, it is long-range, be suitable for big rule
The longitudinally displaced detection device of track seam and method of mould batch detection.
The purpose of the present invention is achieved through the following technical solutions: the longitudinally displaced detection device of track seam is used for
Detect longitudinally displaced between the adjacent rail of track seam crossing, including at least two distance measuring sensors, the first distance measuring sensor set
It is placed in the lower section of the first rail, the first distance measuring sensor is for detecting between the lower surface of the first rail and the first distance measuring sensor
Fore-and-aft distance；Second distance measuring sensor is set to the lower section of the second rail, and the second distance measuring sensor is for detecting the second rail
Lower surface and the second distance measuring sensor between fore-and-aft distance；First distance measuring sensor and the fixed peace of the second distance measuring sensor
On the sleeper or pedestal of track.
First distance measuring sensor and the second distance measuring sensor passes through the sleeper that anchor bolt is fixedly mounted on track respectively
Or on pedestal.
First distance measuring sensor and the second distance measuring sensor is connected as a sensor group by connecting component, should
Sensor group is fixedly mounted on the sleeper or pedestal of track entirely through anchor bolt.
First distance measuring sensor and the casting of the second distance measuring sensor are fixed in the sleeper or pedestal of track.
The longitudinally displaced detection device of track seam, further includes Acquisition Instrument, and the output end of each distance measuring sensor is and Acquisition Instrument
It is connected, Acquisition Instrument is longitudinally displaced between adjacent rail for being analyzed according to the range data that distance measuring sensor detects.
It is provided with communication bus interface on the Acquisition Instrument, is serviced for realizing Acquisition Instrument and host computer or monitoring center
The communication connection of device.
The distance measuring sensor is touch sensor or noncontacting proximity sensor, and noncontacting proximity sensor includes ultrasound
In wave distance measuring sensor, laser range sensor, infrared distance measuring sensor or radar sensor any one or more
Combination.
First distance measuring sensor and the second distance measuring sensor is fixedly installed in close to the side of seam.
The longitudinally displaced detection method of track seam, comprising the following steps:
S1: the longitudinally displaced detection device of attachment rail seam: being arranged the first distance measuring sensor in the lower section of the first rail,
The second distance measuring sensor is arranged in the lower section of second rail, and distance measuring sensor is fixedly mounted on the sleeper or pedestal of track；
S2: reference measurement, comprising the following steps:
S201: measuring basis fore-and-aft distance: the first distance measuring sensor measures the lower surface of the first rail and the first ranging passes
Benchmark fore-and-aft distance L1 between sensor, the second distance measuring sensor measure the second rail lower surface and the second distance measuring sensor it
Between benchmark fore-and-aft distance L2；
S202: calculating benchmark fore-and-aft distance is poor: benchmark fore-and-aft distance L1, L2 calculating benchmark measured according to step S201 is vertical
To range difference, benchmark fore-and-aft distance difference Δ L=L2-L1；
S3: dislocation detection, comprising the following steps:
S301: measure instant fore-and-aft distance: the first distance measuring sensor measures the lower surface of the first rail and the first ranging passes
Instant fore-and-aft distance L1 ', the second distance measuring sensor between sensor measure lower surface and the second distance measuring sensor of the second rail
Between instant fore-and-aft distance L2 '；
S302: it is poor to calculate instant fore-and-aft distance: is calculated according to instant fore-and-aft distance L1 ', the L2 ' that step S301 is measured instant
Fore-and-aft distance is poor, instant fore-and-aft distance difference Δ L '=L2 '-L1 '；
S303: dislocation analysis: the numerical value of instant fore-and-aft distance difference Δ L ' Yu benchmark fore-and-aft distance difference Δ L are compared, if Δ L '
=Δ L does not occur then longitudinally displaced；If Δ L ' ≠ Δ L, it is Δ L '-Δ L that longitudinally displaced, longitudinally displaced distance, which has occurred,.
First distance measuring sensor and the second distance measuring sensor passes through the sleeper that anchor bolt is fixedly mounted on track respectively
It, should or on pedestal or the first distance measuring sensor and the second distance measuring sensor by connecting component are connected as a sensor group
Sensor group is fixedly mounted on the sleeper or pedestal of track entirely through anchor bolt.
First distance measuring sensor and the casting of the second distance measuring sensor are fixed in the sleeper or pedestal of track.
The beneficial effects of the present invention are:
1) real-time detection can be achieved after equipment installation, and detection process does not influence the normal operation of train, can effectively extend
The railway operation time, rail transportation efficiency and benefit is greatly improved, is used conveniently and safely.
2) the distance between sensor and the rail lower surface for passing through the fixed position of detection judge the longitudinally displaced of rail, examine
Survey result is reliable and precision is high.
3) dynamic, long-range track seam dislocation detection can be achieved, be applicable to extensive batch detection.
4) in pouring sleepers or pedestal, sensor casting is fixed in the sleeper or pedestal of track, this installation side
Formula is highly-safe, even if sensor is also not easy to be blown afloat or fallen off under the enormous impact force that train crosses, meets safe construction
It is required that.
Detailed description of the invention
Fig. 1 is the installation structure diagram of the invention one；
Fig. 2 is the installation structure diagram of the invention two；
In figure, 1- seam, the first rail of 2-, the second rail of 3-, the first distance measuring sensor of 4-, the second distance measuring sensor of 5-,
6- sleeper, 7- pedestal.
Specific embodiment
Technical solution of the present invention is described in further detail with reference to the accompanying drawing, but protection scope of the present invention is not limited to
It is as described below.
As shown in Figure 1, the longitudinally displaced detection device of track seam, for detecting adjacent rail (the first steel at track seam 1
Rail 2, the second rail 3) between longitudinally displaced, the settable one group of distance measuring sensor of each track seam crossing, every group of ranging pass
Sensor includes at least two distance measuring sensors, and the first distance measuring sensor 4 is set to the lower section of the first rail 2, the first ranging sensing
Device 4 is used to detect the fore-and-aft distance between the lower surface of the first rail 2 and the first distance measuring sensor 4；Second distance measuring sensor 5 is set
It is placed in the lower section of the second rail 3, the second distance measuring sensor 5 is used to detect lower surface and the second distance measuring sensor 5 of the second rail 3
Between fore-and-aft distance；In order to guarantee the reliability of detection data, the position of distance measuring sensor must be fixed, therefore need to be by ranging
Sensor is fixedly mounted on the sleeper 6 or pedestal 7 of track.As shown in Figure 1, distance measuring sensor is fixedly mounted on the sleeper of track
On 6, as shown in Fig. 2, distance measuring sensor is fixedly mounted on the pedestal 7 of track.(but being not limited to) can be used in fixed installation mode
Three kinds below:
1, the first distance measuring sensor 4 and the second distance measuring sensor 5 respectively by anchor bolt be fixedly mounted on track sleeper 6 or
On pedestal 7.
2, the first distance measuring sensor 4 and the second distance measuring sensor 5 are connected as a sensor group, the biography by connecting component
Sensor group passes through anchor bolt as a whole and is fixedly mounted on the sleeper 6 or pedestal 7 of track.
3, in pouring sleepers 6 or pedestal 7, track is fixed in the first distance measuring sensor 4 and the casting of the second distance measuring sensor 5
Sleeper 6 or pedestal 7 in.This mounting means is highly-safe, even if sensor is not yet under the enormous impact force that train crosses
Easily is blown afloat or fallen off.
In order to keep testing result more acurrate, first distance measuring sensor 4 and the second distance measuring sensor 5 are fixedly mounted
In the side close to seam 1.
The longitudinally displaced detection device of track seam, further includes Acquisition Instrument, and the output end of each distance measuring sensor is and Acquisition Instrument
It is connected, Acquisition Instrument is longitudinally displaced between adjacent rail for being analyzed according to the range data that distance measuring sensor detects.Acquisition
Instrument can be external by wired or wireless way, can also be integrated in cabinet together with sensor.
As a further improvement, be provided with communication bus interface on the Acquisition Instrument, for realizing Acquisition Instrument with it is upper
The communication connection of machine or monitoring center's server realizes long-range and scale detection.
The distance measuring sensor can be touch sensor or noncontacting proximity sensor, noncontacting proximity sensor packet
Include in ultrasonic distance-measuring sensor, laser range sensor, infrared distance measuring sensor or radar sensor any one or
A variety of combinations.
The longitudinally displaced detection method of track seam, comprising the following steps:
S1: the longitudinally displaced detection device of attachment rail seam: being arranged the first distance measuring sensor 4 in the lower section of the first rail 2,
Second distance measuring sensor 5 is set in the lower section of the second rail 3, distance measuring sensor is fixedly mounted on the sleeper 6 or pedestal 7 of track
On；
S2: reference measurement, comprising the following steps:
S201: measuring basis fore-and-aft distance: the first distance measuring sensor 4 measures lower surface and the first ranging of the first rail 2
Benchmark fore-and-aft distance L1, the second distance measuring sensor 5 between sensor 4 measure the lower surface of the second rail 3 and the second ranging passes
Benchmark fore-and-aft distance L2 between sensor 5；
S202: calculating benchmark fore-and-aft distance is poor: benchmark fore-and-aft distance L1, L2 calculating benchmark measured according to step S201 is vertical
To range difference, benchmark fore-and-aft distance difference Δ L=L2-L1(will consider that numerical value is positive and negative)；
S3: dislocation detection, comprising the following steps:
S301: measure instant fore-and-aft distance: the first distance measuring sensor 4 measures lower surface and the first ranging of the first rail 2
Instant fore-and-aft distance L1 ', the second distance measuring sensor 5 between sensor 4 measure the lower surface of the second rail 3 and the second ranging passes
Instant fore-and-aft distance L2 ' between sensor 5；
S302: it is poor to calculate instant fore-and-aft distance: is calculated according to instant fore-and-aft distance L1 ', the L2 ' that step S301 is measured instant
Fore-and-aft distance is poor, instant fore-and-aft distance difference Δ L '=L2 '-L1 '；
S303: dislocation analysis: the numerical value of instant fore-and-aft distance difference Δ L ' Yu benchmark fore-and-aft distance difference Δ L are compared, if Δ L '
=Δ L does not occur then longitudinally displaced；If Δ L ' ≠ Δ L, it is Δ L '-Δ L that longitudinally displaced, longitudinally displaced distance, which has occurred,.
The above is only a preferred embodiment of the present invention, it should be understood that the present invention is not limited to described herein
Form should not be regarded as an exclusion of other examples, and can be used for other combinations, modifications, and environments, and can be at this
In the text contemplated scope, modifications can be made through the above teachings or related fields of technology or knowledge.And those skilled in the art institute into
Capable modifications and changes do not depart from the spirit and scope of the present invention, then all should be in the protection scope of appended claims of the present invention
It is interior.
Claims (1)
1. the longitudinally displaced detection method of track seam realizes longitudinally displaced detection using the longitudinally displaced detection device of track seam,
The longitudinally displaced detection device of track seam is longitudinally displaced between adjacent rail at track seam (1) for detecting,
Including at least two distance measuring sensors, the first distance measuring sensor (4) is set to the lower section of the first rail (2), the first ranging sensing
Device (4) is used to detect the fore-and-aft distance between the lower surface of the first rail (2) and the first distance measuring sensor (4)；Second ranging passes
Sensor (5) is set to the lower section of the second rail (3), the second distance measuring sensor (5) be used to detect the second rail (3) lower surface and
Fore-and-aft distance between second distance measuring sensor (5)；First distance measuring sensor (4) and the second distance measuring sensor (5) pours
Note is fixed in the sleeper (6) or pedestal (7) of track；
It further include Acquisition Instrument, the output end of each distance measuring sensor is connected with Acquisition Instrument, and Acquisition Instrument is used for according to distance measuring sensor
The range data detected is analyzed longitudinally displaced between adjacent rail；It is provided with communication bus interface on the Acquisition Instrument,
For realizing Acquisition Instrument and host computer or the communication connection of monitoring center's server；
It is characterized in that, the detection method comprises the following steps:
S1: the longitudinally displaced detection device of attachment rail seam: being arranged the first distance measuring sensor (4) in the lower section of the first rail (2),
The second distance measuring sensor (5) are set in the lower section of the second rail (3), by sensor and the rail lower surface of detecting fixed position
The distance between judge the longitudinally displaced of rail, testing result is reliable and precision is high；First distance measuring sensor (4) and
Two distance measuring sensors (5) casting is fixed in the sleeper (6) or pedestal (7) of track；
S2: reference measurement, comprising the following steps:
S201: measuring basis fore-and-aft distance: the first distance measuring sensor (4) measures lower surface and first ranging of the first rail (2)
The lower surface and second of benchmark fore-and-aft distance L1, the second distance measuring sensor (5) measurement the second rail (3) between sensor (4)
Benchmark fore-and-aft distance L2 between distance measuring sensor (5)；
S202: calculating benchmark fore-and-aft distance is poor: benchmark fore-and-aft distance L1, L2 calculating benchmark measured according to step S201 it is longitudinal away from
Deviation, benchmark fore-and-aft distance difference Δ L=L2-L1；
S3: dislocation detection, comprising the following steps:
S301: measure instant fore-and-aft distance: the first distance measuring sensor (4) measures lower surface and first ranging of the first rail (2)
The lower surface and second of instant fore-and-aft distance L1 ', the second distance measuring sensor (5) measurement the second rail (3) between sensor (4)
Instant fore-and-aft distance L2 ' between distance measuring sensor (5)；
S302: it is poor to calculate instant fore-and-aft distance: is calculated according to instant fore-and-aft distance L1 ', the L2 ' that step S301 is measured immediately longitudinal
Range difference, instant fore-and-aft distance difference Δ L '=L2 '-L1 '；
S303: dislocation analysis: the numerical value of instant fore-and-aft distance difference Δ L ' Yu benchmark fore-and-aft distance difference Δ L are compared, if Δ L '=Δ
L does not occur then longitudinally displaced；If Δ L ' ≠ Δ L, it is Δ L '-Δ L that longitudinally displaced, longitudinally displaced distance, which has occurred,；It can be real
Now dynamic, long-range track seam, which misplaces, to be detected, and extensive batch detection is suitable for；
Real-time detection can be achieved after equipment installation, and detection process does not influence the normal operation of train, effectively extension railway operation
Rail transportation efficiency and benefit is greatly improved in time, is used conveniently and safely；
In pouring sleepers or pedestal, sensor casting is fixed in the sleeper or pedestal of track, this mounting means safety
Property it is high, even if sensor is also not easy to be blown afloat or fallen off under the enormous impact force that train crosses, meet safe construction requirement.
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| CN201610531127.5A CN106197332B (en) | 2016-07-07 | 2016-07-07 | The longitudinally displaced detection device of track seam and method |
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| CN201610531127.5A CN106197332B (en) | 2016-07-07 | 2016-07-07 | The longitudinally displaced detection device of track seam and method |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107101568A (en) * | 2017-04-27 | 2017-08-29 | 山东钢铁集团日照有限公司 | A kind of cold rolled continuous annealing stove and steel edge portion detection method |
| CN109398417A (en) * | 2018-11-15 | 2019-03-01 | 合肥工业大学 | Subway work temporary track vehicle derailing early warning mechanism and subway work temporary track vehicle transportation system |
| CN110777581B (en) * | 2019-10-15 | 2021-06-25 | 东莞理工学院 | Fastener shift automatic detection device for rail transit fault diagnosis and detection |
| CN112762809B (en) * | 2020-12-31 | 2022-04-15 | 西南交通大学 | Method for detecting gap fault of seamed steel rail |
| CN114228786B (en) * | 2021-12-29 | 2024-03-26 | 中铁第四勘察设计院集团有限公司 | Plate-type ballastless track and plate seam dislocation monitoring system and health monitoring method thereof |
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