CN104390984B - A kind of roller type rail smart flaw detection method liquid integrated based on electromechanical light - Google Patents

A kind of roller type rail smart flaw detection method liquid integrated based on electromechanical light Download PDF

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Publication number
CN104390984B
CN104390984B CN201410763649.9A CN201410763649A CN104390984B CN 104390984 B CN104390984 B CN 104390984B CN 201410763649 A CN201410763649 A CN 201410763649A CN 104390984 B CN104390984 B CN 104390984B
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China
Prior art keywords
probe
roller
speed
rail
inspection car
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CN201410763649.9A
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Chinese (zh)
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CN104390984A (en
Inventor
肖乾
方姣
杨逸航
方骏
邱国荣
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East China Jiaotong University
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East China Jiaotong University
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Abstract

The invention discloses a kind of roller type rail smart flaw detection method liquid integrated based on electromechanical light.The technical solution adopted for the present invention to solve the technical problems is:When inspection car is moved on rail with certain speed, roller equipped with probe is rotated with the speed for giving to inspection car speed of service rightabout, three rollers are equipped with inspection car both sides, equipped with a probe on each roller, probe in adjacent rollers differs 120 degree, and speed of detection higher, efficiency can be obtained using the speed of roller overall flaw detection car.Probe has photothermal modulation and wireless transmission function, and laser can be launched when probe movement is to rail top, and laser is mapped in rail, and heat, this heat can be produced to make the damage inside rail(Such as blind crack)Closure, so that the surface wave signal for inspiring produces apparent peak change, this change can radio to the control system on car, and then can determine that the location and shape of rail failure.

Description

A kind of roller type rail smart flaw detection method liquid integrated based on electromechanical light
Technical field
The present invention relates to a kind of new method for detecting in-service rail failure.
Background technology
Rail-defect detector car(Hereinafter referred to as inspection car)Developed country substitutes artificial defect-detecting equipment already abroad, as detection The Main Means of in-service rail defects and failures.Because ultrasonic wave is to detecting that it is sensitive that rail fatigue crackle and other Inner Defect Testings have The advantages of fast high, detection speed, accurate positioning is spent, domestic and international inspection car all employs ultrasonic examination skill to internal crack detection Art, is limited to detection pattern and ultrasonic technique, and detection speed is generally 10 ~ 70 km/h.North America region overwhelming majority inspection car is adopted After using dwell type operating type, i.e. inspection car to find suspicious hurt, need to stop and be checked by the inspection car operator scene of carrying out, confirm After make marks and notify railway maintenance department, its average detected speed is more in 40 below km/h.
The content of the invention
In order to overcome the shortcomings of above-mentioned inspection car, the present invention provides a kind of new method of detection, and the method can be live efficient Rate continuously leans out the damage of rail.
The technical solution adopted for the present invention to solve the technical problems is:Can not in order to overcome existing tradition to detect a flaw equipment Live high-efficiency and continuous detect the deficiency of rail failure, and the principle of foundation of the present invention is to work as inspection car on rail with certain speed During motion, the roller equipped with probe is rotated with the speed for giving to inspection car speed of service rightabout, in inspection car both sides Three rollers are equipped with, equipped with a probe on each roller, 120 degree of probe difference in adjacent rollers is relative using roller The speed of inspection car can obtain speed of detection higher, efficiency.Probe has photothermal modulation and wireless transmission function, works as probe Laser can be launched when moving to rail top, laser is mapped in rail, and heat, this heat can be produced to make inside rail Damage(Such as blind crack)Closure, so that the surface wave signal for inspiring produces apparent peak change, this change meeting The control system on car is radioed to, and then can determine that the location and shape of rail failure.
Compared with prior art, the beneficial effects of the invention are as follows:
(1)Rail inside and surface damage can be detected with live high-efficiency and continuous, improve traditional pause operating type.
(2)The present invention is compared with traditional rail-defect detector car, using roller with the maximum difference of prior art Relative rotation speed causes that inspection speed and flaw detection efficiency are greatly improved, and traditional inspection car speed of detection is usually 40km/h, Speed of detection of the present invention can at least reach 100km/h.
(3)The friendly coordination of performance and price is pursued in element selection in circuit design so that control system has property very high Valency ratio and stable and reliable in work.Not only ensure that system had certainty of measurement very high but also can reduce cost.
(4)When inspection car is tested in orbit, can be on real-time data transmission to host computer, by the number of host computer According to treatment software, in real time display rail failure distribution.
Brief description of the drawings
Fig. 1 is overall appearance schematic diagram of the invention.
Fig. 2 is whole interior schematic diagram of the invention.
Fig. 3 is failure detector schematic diagram of the present invention.
Fig. 4 is present invention probe schematic diagram
Reference:Antenna 1, shell 2, base plate 3, front-wheel 4, gravity sensor 5, trailing wheel 6, rear shock absorber 7, motor Ι 8, Side frame 9, power supply 10, motor Ι Ι 11, gear Ι 12, preceding shock absorber 13, probe 14, roller 15, control system 16, hydraulic system 17, Gear-box 18, brake disc Ι 19, gear Ι Ι 20, roller bearing 21, chain 22, brake disc Ι Ι 23.
Specific embodiment
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description:
As shown in accompanying drawing 1, accompanying drawing 2, it is of the invention composition include shell, front and back wheel, vehicle frame, motor, gear-box, roller, Probe, power supply, hydraulic pump.
Embodiment 1, a kind of roller type rail smart flaw detection method liquid integrated based on electromechanical light,
It is made up of front and back wheel, vehicle frame, motor, gear-box, sensor, probe, brake disc, hydraulic pump, power supply;Wherein:Two Individual trailing wheel 6, gear-box 18 are arranged on rear axle, and wherein in gear-box, top end cover is connected to upper end cover, tooth by top bolt There are two pairs of gears in roller box, two-stage speed change, motor Ι 8 is hung on crossbeam by the motor hanger on vehicle frame, and power supply 10 passes through bolt It is fixed on frame panel, rear shock absorber 7 is connected by bottom with rear axle, upper end connecting vehicle frame.
Embodiment 2, a kind of roller type rail smart flaw detection method liquid integrated based on electromechanical light, wherein:Gravity sensitive Device 5 is arranged on inspection car shell 2, for checking whether inspection car operation is steady, and front-wheel 4, preceding shock absorber 13 pass through front axle group Into guidance system.
Embodiment 3, a kind of roller type rail smart flaw detection method liquid integrated based on electromechanical light, wherein:Flaw detection equipment It is made up of roller 15, roller bearing 21 and probe 14, three rollers is equipped with inspection car both sides, equipped with a spy on each roller Head, probe in adjacent rollers differs 120 degree, using the speed of roller overall flaw detection car can obtain speed of detection higher, Efficiency.Flaw detection probe on roller will launch laser, the damage inside detection with certain speed to rail.
Embodiment 4, a kind of roller type rail smart flaw detection method liquid integrated based on electromechanical light, wherein:Control box by Single-chip microcomputer, A/D conversion chips, display screen, keyboard, relay, box body composition, sensor is by holding wire and A/D in control box Conversion chip upper port is connected, and A/D conversion chips are connected with single-chip microcomputer, and single-chip microcomputer delivery outlet is connected with relay, and relay connects Mouth is connected by circuit with the electromagnet interface of solenoid directional control valve in hydraulic power unit, one complete closed loop of overall composition.
Method of work of the invention is as follows:
Before the damage check to rail, inspection car safety and steady is put on rail, operating personnel check inspection car electricity Whether road, oil circuit is normal.An initial testing speed or testing time are set before starting test, car reaches command speed Or just start test after the time, after car starts, car running status is monitored and by list by the gravity sensor moment The direct control of piece machine or host computer measures the travel speed of car to change, when speed, test can be in real time shown on LCD Between, damage position distribution etc., while can measurement data host computer is uploaded to by communication interface.By roller relative to The relative velocity of inspection car, can greatly improve inspection car speed of detection, distance and efficiency.
Equipped using the roller type rail smart flaw detection of this smart flaw detection method, with reliable mechanical protection and electric guarantor Protection unit, main screw lift is light, small volume, process quick and convenient of detecting a flaw, safe and reliable.
The present invention is exemplarily described above in conjunction with accompanying drawing, it is clear that the present invention is implemented and do not receive aforesaid way Limitation, as long as employing method of the present invention design and the various transformations that carry out of technical scheme, or not improved direct application In other occasions, within protection scope of the present invention.

Claims (4)

1. a kind of roller type intelligent steel rail method of detection liquid integrated based on electromechanical light, its inspection car is made up of three parts, is driven Dynamic brake apparatus, failure detector, control device, inspection car is mainly by front and back wheel, vehicle frame, motor, gear-box, sensor, braking Disk, hydraulic pump, power supply composition;It is characterized in that:Two trailing wheels(6), gear-box(18)On rear axle, wherein gear-box In, top end cover is connected to upper end cover by top bolt, there is two pairs of gears, two-stage speed change, motor Ι in gear-box(8)Pass through On motor hanger suspension crossbeam on vehicle frame, power supply(10)It is bolted on frame panel, rear shock absorber(7)Under End is connected with rear axle, upper end connecting vehicle frame, the continuous damage for leaning out rail in inspection car energy scene, when inspection car is in steel When being moved with certain speed on rail, the roller equipped with probe(15)With give speed to inspection car speed of service rightabout Rotate, three rollers are equipped with inspection car both sides, equipped with a probe on each roller(14), the probe phase in adjacent rollers 120 degree are differed from, speed of detection can be obtained using the speed of roller overall flaw detection car.
2. a kind of roller type intelligent steel rail method of detection liquid integrated based on electromechanical light according to claim 1, it is special Levy and be:Gravity sensor(5)Installed in inspection car shell(2)On, for checking whether inspection car operation is steady, front-wheel(4)、 Preceding shock absorber(13)Guidance system is constituted by front axle.
3. a kind of roller type intelligent steel rail method of detection liquid integrated based on electromechanical light according to claim 1 and 2, its It is characterised by:Failure detector is by roller(15), roller bearing(21)And probe(14)Composition, three rollings are equipped with inspection car both sides Wheel, equipped with a probe on each roller, the probe in adjacent rollers differs 120 degree, speed of the roller equipped with probe to give Spend and rotated to inspection car speed of service rightabout, launch laser when probe movement is to rail top, inside detection Damage.
4. a kind of roller type intelligent steel rail method of detection liquid integrated based on electromechanical light according to claim 1 and 2, its It is characterised by:Control device is made up of single-chip microcomputer, A/D conversion chips, display screen, keyboard, relay, box body, and sensor passes through Holding wire is connected with A/D conversion chips upper port in control device, and A/D conversion chips are connected with single-chip microcomputer, single-chip microcomputer delivery outlet Relay is connected with, relay interface is connected by circuit with the electromagnet interface of solenoid directional control valve in hydraulic power unit, overall group Into a complete closed loop.
CN201410763649.9A 2014-12-13 2014-12-13 A kind of roller type rail smart flaw detection method liquid integrated based on electromechanical light Expired - Fee Related CN104390984B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1229635A (en) * 1967-12-07 1971-04-28
CN101817349A (en) * 2010-04-29 2010-09-01 合肥超科电子有限公司 Electric rail-defect detecting car
CN102328666A (en) * 2011-07-29 2012-01-25 济南三新铁路润滑材料有限公司 Light-duty routing inspection trolley for high speed railway
CN203793342U (en) * 2013-12-18 2014-08-27 上海铁路局科学技术研究所 Double-rail self-walking trolley for rail flaw detecting
CN203965302U (en) * 2014-06-11 2014-11-26 华东交通大学 A kind of wheel track adhesion coefficient intelligent measure car based on mechanical-electrical-hydraulic integration

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1229635A (en) * 1967-12-07 1971-04-28
CN101817349A (en) * 2010-04-29 2010-09-01 合肥超科电子有限公司 Electric rail-defect detecting car
CN102328666A (en) * 2011-07-29 2012-01-25 济南三新铁路润滑材料有限公司 Light-duty routing inspection trolley for high speed railway
CN203793342U (en) * 2013-12-18 2014-08-27 上海铁路局科学技术研究所 Double-rail self-walking trolley for rail flaw detecting
CN203965302U (en) * 2014-06-11 2014-11-26 华东交通大学 A kind of wheel track adhesion coefficient intelligent measure car based on mechanical-electrical-hydraulic integration

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
GTC-80 型钢轨探伤车;张向阳 等;《机车电传动》;20131110(第6期);正文第1节,第2.6、2.8节,图1 *
现役钢轨探伤车检测系统60km/h提速改造方案与实施;刘峰 等;《中国铁道学会2008年度优秀学术论文评选一等奖论文》;20090430;第18-31页 *

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Inventor after: Fang Jun

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