CN106192632A - The detection method of track flatness - Google Patents
The detection method of track flatness Download PDFInfo
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- CN106192632A CN106192632A CN201610698824.XA CN201610698824A CN106192632A CN 106192632 A CN106192632 A CN 106192632A CN 201610698824 A CN201610698824 A CN 201610698824A CN 106192632 A CN106192632 A CN 106192632A
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- Prior art keywords
- irregularity
- track
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- static
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B35/00—Applications of measuring apparatus or devices for track-building purposes
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B35/00—Applications of measuring apparatus or devices for track-building purposes
- E01B35/02—Applications of measuring apparatus or devices for track-building purposes for spacing, for cross levelling; for laying-out curves
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B35/00—Applications of measuring apparatus or devices for track-building purposes
- E01B35/06—Applications of measuring apparatus or devices for track-building purposes for measuring irregularities in longitudinal direction
Abstract
The invention discloses the detection method of track flatness, belong to rail deformation detection technical field;Vertical track irregularity, the vertical periodicity irregularity formed in Short wave irregularity and steel rail rolling alignment process including height, level, distortion, rail level etc.;Cross track irregularity;The lateral periodicity irregularity formed in, gauge and steel rail rolling alignment process including rail.Complex irregularity, in track certain limit, vertical and horizontal irregularity coexists referred to as track complex irregularity.Curve geometrical deviation end to end, near curve point of curve to spiral, near point of spiral to tangent, superelevation, versed sine, gauge are inconsistent along hill start point, terminal or do not mate the geometrical deviation of formation, and curve point of curve to spiral, the geometrical deviation of point of spiral to tangent cause complex irregularity;Track and the life-span of vehicle part and maintenance cycle are longer;Reduce vibration, a wheel-rail noise;Steadily, comfortable, safety good, reduces the probability of train derailing.
Description
Technical field
The present invention relates to rail deformation detection technical field, be specifically related to the detection method of track flatness.
Background technology:
From transport high speed, security standpoint, Japan, Italy, France, Germany, the U.S. have developed respectively and is applicable to high-speed line
The comprehensive safety detection car on road.Detect and detect the detection developing into multipurpose, entry, multitask from the unitem in past,
For track infrastructure state-detection, control, safeguard and lay the foundation, also for rail high speed, transport safely to have provided and try hard to keep
Barrier.
East i is the comprehensive detection train of Japan's its domestic technological development fully utilized, is made up of 7 cars, can detect rail
The contents such as road geometric parameter, contact net, signal of communication, wheel-rail force, environment noise, highest detection speed up to 275Km/h,
The each complete independently detection work of each detecting system, whole detection train keeps synchronizing on speed, time and mileage position.Moral
State " Archimedes number " is the only comprehensive detection train beyond Central Japan Railway that continues." Archimedes " high-speed detection train detection speed
Degree reaches 220 kilometers/hour.It is said that possessed at any time with 220 kilometers/hour of speeds of service, detect 119 differences
The ability of parameter, can detect orbit geometry parameter, rail profile, rail undulatory wear, contact net and by stream mode, communicate and believe
Number, car body and axle box acceleration, wheel-rail force etc..MGV is to aim at the comprehensive detection train that French high speed railway is developed, detection
Speed designs is 320km/h, and the overall length of detection circuit is 2 × 1800km, and the detection cycle is expected to be biweekly, and design object is
Each infrastructure parameter is gathered under train normal running (operation) conditions.
With the development of wireline inspection technology, track condition detection means, by the most simple manual static check, develops into and works as
The modern track dynamic relying on the technical products such as laser, gyro, shooting, electronics, computer network to realize detection, true reappearance wheel track
Track virtual condition under Zuo Yong, in the case of being equipped with complete railroad track mechanized equipment, it is achieved track condition is supported and repaiied point
Open, pipe is repaiied separately, skylight is repaiied, the maintenance of status maintenance, specific aim comes true.
With the development of railway high speed heavy haul transport, high-tech, high-tech product are not only paid attention in railway side in countries in the world
The application in face, more pays much attention to ripe advanced management technology and the application of management method and reference.At railway hardware facility
In the case of tending to improving, the most supporting railway infrastructure software will be the important leverage realizing railway security transport, its
Software section includes track management system, and track is supported the formula that repairs a die and supports the section of manicuring, track condition detection means, track condition pipe
Reason, evaluation criterion, the establishment of safety criterion is, and the supplementing with perfect etc. of other management techniques.
Track irregularity refers to: the deviation of track geometry shape, size and locus;Rectilinear orbit is uneven, not straight, right
Position of center line and orbit altitude, the deviation of width just size;Curve track is the most smoother, deflection curve position of center line, partially
From curvature, superelevation, the correct value of gauge, deviation is along track geometry deviations such as slope varying dimensions.
Track is made up of multiple materials such as earth, rock, steel, timber, concrete, and it is different from house, bridge
In building, it it is the loosest a kind of architecture structure form.Under train and various External Force Acting, allow and there is certain bullet
Property and plastic deformation.In use the state of track structure is continually changing, and produces various track irregularity.With train
Running without interruption, track irregularity is inevitable.
The effect that train wheel goes round and begins again in orbit, its wheel-rail force makes track irregularity constantly occur, develops deterioration.
Various track irregularities are to train operation stationarity, riding comfort, safety in operation, wheel-rail force, vehicle and orbit portion
The service life of part, the speed of worsening of track condition all have considerable influence.The change of track irregularity will also result in rail vehicle
Running trauma aggravation and the minimizing in service life of parts, serious track irregularity can cause train overturning or derailing.Track
State and the interaction relationship of train operation, direct relation safety of railway traffic benefit, so must pay much attention to.
Summary of the invention
For the problems referred to above, the technical problem to be solved in the present invention be to provide a kind of reasonable in design, easy to operate, add
Work efficiency rate is high and the detection method of stay-in-grade track flatness.
The detection method of the track flatness of the present invention, it comprises the steps of
1, vertical track irregularity, including height, level, distortion, rail level etc. in Short wave irregularity and steel rail rolling alignment process
The vertical periodicity irregularity formed;
1.1, longitudinal irregularity;Longitudinal irregularity refers to rail surface or the vertical (side vertical with orbit plane of central lines of track
To) uneven, it is mainly vertical just by line construction and the height variation of heavy repair task, bridge deflection deformation, track
Interval between spending inconsistent, railway roadbed and the uneven residual deformation of roadbed or settling uneven, each parts of track is unequal, exist
Dark hole boatswain chair etc. causes;
1.2, horizontal irregularity;Horizontal irregularity refers to the relative relief of left and right two rail end faces on the same cross section of track.It is
Cause due to the inconsistent or discontinuity of track both sides, left and right intensity;
1.3, planar distortion irregularity;Twist irregularity refers to the distortion relative to orbit plane of the left and right two rail end faces, certain with being separated by
The algebraic step tolerance of two cross-sectional horizontal amplitudes of distance, it is to be calculated by horizontal irregularity value and obtain;
1.4, rail level Short wave irregularity;Rail level Short wave irregularity refers to the irregularity in the little scope of rail surface, and it is by weld seam
Injustice, rail level irregular wear, scratch, joint are ground one's teeth etc. and to be formed.Its form is divided into periodically and aperiodicity irregularity two kinds,
Wherein periodically irregularity is mainly produced by ripple abrasion and undulatory wear, and it is vertical that rail also can form rail body in the operation of rolling
Periodicity irregularity, aperiodicity irregularity is uneven by weld seam, joint is ground one's teeth, rail level abrade, peel off the generations such as block;
2, cross track irregularity;The lateral periodicity irregularity formed in, gauge and steel rail rolling alignment process including rail.
2.1, track alignment irregularity;Construction of laying a railway track is laterally remaining with the track centerline deviations of heavy repair task, the section of track to be become
The reasons such as shape accumulation is uneven with rail head side wear, fastener lost efficacy, track transverse elasticity is inconsistent cause track alignment irregularity;
2.2, gauge deviation;Generally fastener is bad, the inefficacy of sleeper shoulder block, rail head side wear etc. can cause gauge deviation;
2.3, periodically irregularity;Deformation during steel rail rolling can form lateral periodicity irregularity;
3, complex irregularity, in track certain limit, vertical and horizontal irregularity coexists referred to as track complex irregularity.Bent
The geometrical deviation of the end of a thread tail, near curve point of curve to spiral, near point of spiral to tangent, superelevation, versed sine, gauge are inconsistent along hill start point, terminal
Or not mating the geometrical deviation of formation, curve point of curve to spiral, the geometrical deviation of point of spiral to tangent cause complex irregularity.
4, static track irregularity, during without wheel load effect, the irregularity that artificial or light-duty measurement dolly records is commonly referred to
Static track irregularity is commonly referred to static track irregularity.
Static track irregularity can not reflect the irregularity of formation such as secretly cheating, empty boatswain chair, rigidity are uneven strictly according to the facts, can only partly reflect road
The irregularity that the accumulation of base railway roadbed uneven residual deformation is formed.Static track irregularity is track irregularity complete under driving condition
When carrying without Train Wheel, part, uncertain presentation.
5, dynamic track irregularity, the track shown the most completely under train wheel load action recorded with track checking car is uneven
Along referred to as dynamic track irregularity.
Real is dynamic track irregularity to traffic safety, wheel-rail force, the track irregularity of Vehicular vibration generation actual influence.Cause
This, the various monitoring management standards of various countries' track irregularity, especially safety management standard, mostly it is based on dynamic track irregularity value
Formulate.
5.1, under normal circumstances, same location dynamic track irregularity has larger difference with the waveform of static track irregularity.Dark hole, boatswain chair are more
Many, bad fastener is the most, and blast bed compactness is the most uneven, and difference is the biggest.
5.2, the amplitude of dynamic track irregularity is the biggest, dynamic and static between difference the biggest.
5.3, after new line is laid a railway track and built up, existing railway overhaul, maintenance activity complete man-hour, the difference of dynamic and static irregularity is less, rises
Road is made firm by ramming, the quality of track lining operation is the best more uniform, and both difference is the least.
5.4, having the high-speed railway of high ride, dynamic and static value difference is different little compared with general track.
5.5, the difference between ballastless track is dynamic and static is less.
6, the relation between dynamic and static irregularity amplitude
6.1, the amplitude of dynamic and static irregularity is generally not present functional relationship one to one.
6.2, by mass data statistical analysis, the conclusion conclusion of the possible corresponding one group of dynamic value of a quiescent value can be drawn.With
Sample, a dynamic value is likely to corresponding one group of quiescent value.But under conditions of confidence degree (usual 95%), phase can be found
Maximum value possible corresponding between Hu, it is possible to draw the statistical relationship curve of dynamic and static irregularity;
6.3, same rail structure, different types of track irregularity, difference and mutual relation between dynamic and static amplitude are each not
Identical.
Beneficial effects of the present invention: and traffic safety the most comfortable to driving all has a major impact;It is easy to control driving speed
Degree, the active force between the vibration of the bullet train of stable operation and wheel track is all little, and traffic safety and steady comfort property reach
To ensureing, track and the life-span of vehicle part and maintenance cycle are longer;Reduce vibration, a wheel-rail noise;Steadily, comfortable, peace
Good perfection, reduces the probability of train derailing.
Detailed description of the invention
This detailed description of the invention is by the following technical solutions: it comprises the steps of
1, vertical track irregularity, including height, level, distortion, rail level etc. in Short wave irregularity and steel rail rolling alignment process
The vertical periodicity irregularity formed;
1.1, longitudinal irregularity;Longitudinal irregularity refers to rail surface or the vertical (side vertical with orbit plane of central lines of track
To) uneven, it is mainly vertical just by line construction and the height variation of heavy repair task, bridge deflection deformation, track
Interval between spending inconsistent, railway roadbed and the uneven residual deformation of roadbed or settling uneven, each parts of track is unequal, exist
Dark hole boatswain chair etc. causes;
1.2, horizontal irregularity;Horizontal irregularity refers to the relative relief of left and right two rail end faces on the same cross section of track.It is
Cause due to the inconsistent or discontinuity of track both sides, left and right intensity;
1.3, planar distortion irregularity;Twist irregularity refers to the distortion relative to orbit plane of the left and right two rail end faces, certain with being separated by
The algebraic step tolerance of two cross-sectional horizontal amplitudes of distance, it is to be calculated by horizontal irregularity value and obtain;
1.4, rail level Short wave irregularity;Rail level Short wave irregularity refers to the irregularity in the little scope of rail surface, and it is by weld seam
Injustice, rail level irregular wear, scratch, joint are ground one's teeth etc. and to be formed.Its form is divided into periodically and aperiodicity irregularity two kinds,
Wherein periodically irregularity is mainly produced by ripple abrasion and undulatory wear, and it is vertical that rail also can form rail body in the operation of rolling
Periodicity irregularity, aperiodicity irregularity is uneven by weld seam, joint is ground one's teeth, rail level abrade, peel off the generations such as block;
2, cross track irregularity;The lateral periodicity irregularity formed in, gauge and steel rail rolling alignment process including rail.
2.1, track alignment irregularity;Construction of laying a railway track is laterally remaining with the track centerline deviations of heavy repair task, the section of track to be become
The reasons such as shape accumulation is uneven with rail head side wear, fastener lost efficacy, track transverse elasticity is inconsistent cause track alignment irregularity;
2.2, gauge deviation;Generally fastener is bad, the inefficacy of sleeper shoulder block, rail head side wear etc. can cause gauge deviation;
2.3, periodically irregularity;Deformation during steel rail rolling can form lateral periodicity irregularity;
3, complex irregularity, in track certain limit, vertical and horizontal irregularity coexists referred to as track complex irregularity.Bent
The geometrical deviation of the end of a thread tail, near curve point of curve to spiral, near point of spiral to tangent, superelevation, versed sine, gauge are inconsistent along hill start point, terminal
Or not mating the geometrical deviation of formation, curve point of curve to spiral, the geometrical deviation of point of spiral to tangent cause complex irregularity.
4, static track irregularity, during without wheel load effect, the irregularity that artificial or light-duty measurement dolly records is commonly referred to
Static track irregularity is commonly referred to static track irregularity.
Static track irregularity can not reflect the irregularity of formation such as secretly cheating, empty boatswain chair, rigidity are uneven strictly according to the facts, can only partly reflect road
The irregularity that the accumulation of base railway roadbed uneven residual deformation is formed.Static track irregularity is track irregularity complete under driving condition
When carrying without Train Wheel, part, uncertain presentation.
5, dynamic track irregularity, the track shown the most completely under train wheel load action recorded with track checking car is uneven
Along referred to as dynamic track irregularity.
Real is dynamic track irregularity to traffic safety, wheel-rail force, the track irregularity of Vehicular vibration generation actual influence.Cause
This, the various monitoring management standards of various countries' track irregularity, especially safety management standard, mostly it is based on dynamic track irregularity value
Formulate.
5.1, under normal circumstances, same location dynamic track irregularity has larger difference with the waveform of static track irregularity.Dark hole, boatswain chair are more
Many, bad fastener is the most, and blast bed compactness is the most uneven, and difference is the biggest.
5.2, the amplitude of dynamic track irregularity is the biggest, dynamic and static between difference the biggest.
5.3, after new line is laid a railway track and built up, existing railway overhaul, maintenance activity complete man-hour, the difference of dynamic and static irregularity is less, rises
Road is made firm by ramming, the quality of track lining operation is the best more uniform, and both difference is the least.
5.4, having the high-speed railway of high ride, dynamic and static value difference is different little compared with general track.
5.5, the difference between ballastless track is dynamic and static is less.
6, the relation between dynamic and static irregularity amplitude
6.1, the amplitude of dynamic and static irregularity is generally not present functional relationship one to one.
6.2, by mass data statistical analysis, the conclusion conclusion of the possible corresponding one group of dynamic value of a quiescent value can be drawn.With
Sample, a dynamic value is likely to corresponding one group of quiescent value.But under conditions of confidence degree (usual 95%), phase can be found
Maximum value possible corresponding between Hu, it is possible to draw the statistical relationship curve of dynamic and static irregularity;
6.3, same rail structure, different types of track irregularity, difference and mutual relation between dynamic and static amplitude are each not
Identical.
Beneficial effects of the present invention: and traffic safety the most comfortable to driving all has a major impact;It is easy to control driving speed
Degree, the active force between the vibration of the bullet train of stable operation and wheel track is all little, and traffic safety and steady comfort property reach
To ensureing, track and the life-span of vehicle part and maintenance cycle are longer;Reduce vibration, a wheel-rail noise;Steadily, comfortable, peace
Good perfection, reduces the probability of train derailing.
The ultimate principle of the present invention and principal character and advantages of the present invention have more than been shown and described.The skill of the industry
The art personnel simply explanation it should be appreciated that the present invention is not restricted to the described embodiments, described in above-described embodiment and description
The principle of the present invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these
Changes and improvements both fall within scope of the claimed invention.Claimed scope by appending claims and
Its equivalent defines.
Claims (1)
1. the detection method of track flatness, it is characterised in that it comprises the steps of
(1), vertical track irregularity, Short wave irregularity and the steel rail rolling alignment process such as including height, level, distortion, rail level
The vertical periodicity irregularity of middle formation;
(1.1), longitudinal irregularity;Longitudinal irregularity refers to rail surface or vertical uneven of central lines of track, and it is main
It is, railway roadbed inconsistent by line construction and the height variation of heavy repair task, bridge deflection deformation, track vertical stiffness and roadbed
Uneven residual deformation or the interval between settling uneven, each parts of track is unequal, have what dark hole boatswain chair etc. caused;
(1.2), horizontal irregularity;Horizontal irregularity refers to the relative relief of left and right two rail end faces on the same cross section of track;
(1.3), planar distortion irregularity;Twist irregularity refers to the distortion relative to orbit plane of the left and right two rail end faces, with being separated by one
The algebraic step tolerance of two cross-sectional horizontal amplitudes of set a distance, it is to be calculated by horizontal irregularity value and obtain;
(1.4), rail level Short wave irregularity;Rail level Short wave irregularity refers to the irregularity in the little scope of rail surface, and it is by welding
Seam injustice, rail level irregular wear, scratch, joint such as are ground one's teeth at the formation;Its form is divided into periodically and aperiodicity irregularity two
Kind, wherein periodically irregularity is mainly produced by ripple abrasion and undulatory wear, and rail also can form rail body in the operation of rolling
Vertical periodicity irregularity, aperiodicity irregularity is uneven by weld seam, joint is ground one's teeth, rail level abrades, peel off block etc. produces;
(2), cross track irregularity;The lateral periodicity formed in, gauge and steel rail rolling alignment process including rail is uneven
Suitable;
(2.1), track alignment irregularity;Lay a railway track and construct and the track centerline deviations of heavy repair task, the horizontal residual deformation of the section of track
The reasons such as accumulation is uneven with rail head side wear, fastener lost efficacy, track transverse elasticity is inconsistent cause track alignment irregularity;
(2.2), gauge deviation;Generally fastener is bad, the inefficacy of sleeper shoulder block, rail head side wear etc. can cause gauge deviation;
(2.3), periodically irregularity;Deformation during steel rail rolling can form lateral periodicity irregularity;
(3), complex irregularity, in track certain limit, vertical and horizontal irregularity coexists referred to as track complex irregularity;
Curve geometrical deviation end to end, near curve point of curve to spiral, near point of spiral to tangent, superelevation, versed sine, gauge differ along hill start point, terminal
Causing or do not mate the geometrical deviation of formation, curve point of curve to spiral, the geometrical deviation of point of spiral to tangent cause complex irregularity;
(4), static track irregularity, during without wheel load effect, the irregularity that artificial or light-duty measurement dolly records is the most quiet
State irregularity is commonly referred to static track irregularity;
Static track irregularity can not reflect the irregularity of formation such as secretly cheating, empty boatswain chair, rigidity are uneven strictly according to the facts, can only partly reflect road
The irregularity that the accumulation of base railway roadbed uneven residual deformation is formed;Static track irregularity is track irregularity complete under driving condition
When carrying without Train Wheel, part, uncertain presentation;
(5), dynamic track irregularity, the track shown the most completely under train wheel load action recorded with track checking car is not
Smooth-going is referred to as dynamic track irregularity;
Real is dynamic track irregularity to traffic safety, wheel-rail force, the track irregularity of Vehicular vibration generation actual influence;Cause
This, the various monitoring management standards of various countries' track irregularity, especially safety management standard, mostly it is based on dynamic track irregularity value
Formulate;
(5.1), under normal circumstances, same location dynamic track irregularity has larger difference with the waveform of static track irregularity;Dark hole, boatswain chair
The most, bad fastener is the most, and blast bed compactness is the most uneven, and difference is the biggest;
(5.2), the amplitude of dynamic track irregularity the biggest, dynamic and static between difference the biggest;
(5.3), new line lay a railway track after building up, existing railway overhaul, maintenance activity complete man-hour, the difference of dynamic and static irregularity is less,
Track lifting is made firm by ramming, the quality of track lining operation is the best more uniform, and both difference is the least;
(5.4), having the high-speed railway of high ride, dynamic and static value difference is different little compared with general track;
(5.5) difference between, ballastless track is dynamic and static is less;
(6), the relation between dynamic and static irregularity amplitude;
(6.1), the amplitude of dynamic and static irregularity is generally not present functional relationship one to one;
(6.2), by mass data statistical analysis, the conclusion conclusion of the possible corresponding one group of dynamic value of a quiescent value can be drawn;
(6.3), same rail structure, different types of track irregularity, difference and mutual relation between dynamic and static amplitude are each
Differ in.
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107264575A (en) * | 2017-07-28 | 2017-10-20 | 合肥杰代机电科技有限公司 | The detection method of track flatness |
CN108032868A (en) * | 2017-11-30 | 2018-05-15 | 中国铁道科学研究院 | A kind of train rail detecting system and method |
CN110029544A (en) * | 2019-06-03 | 2019-07-19 | 西南交通大学 | A kind of measurement method and device of track irregularity |
CN110187086A (en) * | 2019-06-26 | 2019-08-30 | 北京市市政工程研究院 | A kind of method and system using train itself load test solid concrete roabed overburden amount |
CN110737966A (en) * | 2019-08-29 | 2020-01-31 | 西南交通大学 | Method and device for determining track irregularity |
CN112763242A (en) * | 2021-04-12 | 2021-05-07 | 西南交通大学 | Reliability evaluation test bed for rail state vehicle-mounted detection system |
CN115906497A (en) * | 2022-12-05 | 2023-04-04 | 中国铁路设计集团有限公司 | Instant acquisition method for dynamic irregularity of track between track traffic lines |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1369595A (en) * | 2002-03-15 | 2002-09-18 | 西南交通大学 | Tester of rail state |
CN102337710A (en) * | 2010-07-19 | 2012-02-01 | 西安奥通数码科技有限公司 | GPS (Global Positioning System) track irregularity detection system and method |
CN103267508A (en) * | 2013-06-08 | 2013-08-28 | 中铁十七局集团第四工程有限公司 | Flatness detection gauge of non-ballasted track roadbed slab, and detection method |
-
2016
- 2016-08-22 CN CN201610698824.XA patent/CN106192632A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1369595A (en) * | 2002-03-15 | 2002-09-18 | 西南交通大学 | Tester of rail state |
CN102337710A (en) * | 2010-07-19 | 2012-02-01 | 西安奥通数码科技有限公司 | GPS (Global Positioning System) track irregularity detection system and method |
CN103267508A (en) * | 2013-06-08 | 2013-08-28 | 中铁十七局集团第四工程有限公司 | Flatness detection gauge of non-ballasted track roadbed slab, and detection method |
Non-Patent Citations (1)
Title |
---|
成都铁路局重庆职工培训基地: "《轨道检测技术》", 28 February 2008, 中国铁道出版社 * |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107264575A (en) * | 2017-07-28 | 2017-10-20 | 合肥杰代机电科技有限公司 | The detection method of track flatness |
CN108032868A (en) * | 2017-11-30 | 2018-05-15 | 中国铁道科学研究院 | A kind of train rail detecting system and method |
CN108032868B (en) * | 2017-11-30 | 2019-02-19 | 中国铁道科学研究院集团有限公司 | A kind of train rail detection system and method |
CN110029544A (en) * | 2019-06-03 | 2019-07-19 | 西南交通大学 | A kind of measurement method and device of track irregularity |
CN110187086A (en) * | 2019-06-26 | 2019-08-30 | 北京市市政工程研究院 | A kind of method and system using train itself load test solid concrete roabed overburden amount |
CN110737966A (en) * | 2019-08-29 | 2020-01-31 | 西南交通大学 | Method and device for determining track irregularity |
CN112763242A (en) * | 2021-04-12 | 2021-05-07 | 西南交通大学 | Reliability evaluation test bed for rail state vehicle-mounted detection system |
CN115906497A (en) * | 2022-12-05 | 2023-04-04 | 中国铁路设计集团有限公司 | Instant acquisition method for dynamic irregularity of track between track traffic lines |
CN115906497B (en) * | 2022-12-05 | 2024-03-26 | 中国铁路设计集团有限公司 | Method for immediately acquiring track dynamic irregularity in track traffic line section |
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Application publication date: 20161207 |