CN202400107U - Detection device for dynamically detecting abrasion of lateral sides of steel railway rails - Google Patents
Detection device for dynamically detecting abrasion of lateral sides of steel railway rails Download PDFInfo
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- CN202400107U CN202400107U CN2011204004075U CN201120400407U CN202400107U CN 202400107 U CN202400107 U CN 202400107U CN 2011204004075 U CN2011204004075 U CN 2011204004075U CN 201120400407 U CN201120400407 U CN 201120400407U CN 202400107 U CN202400107 U CN 202400107U
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Abstract
The utility model provides a detection device for dynamically detecting abrasion of lateral sides of steel railway rails, which comprises a signal detection and acquisition portion, a power supply and a signal processing portion. The signal detection and acquisition portion comprises a sensor. The signal processing portion comprises data processing equipment. The power supply supplies power for the integral detection device. The signal detection and acquisition portion is arranged at the bottom of a locomotive, and the power supply and the signal processing equipment are arranged in the locomotive. An input end and an output end of the signal detection and acquisition portion are connected with a positive electrode and a negative electrode of the power supply respectively, and the output end of the signal detection and acquisition portion is directly connected with the data processing equipment. The sensor detects, acquires and converts available parameters to be data signals and directly outputs to the data processing equipment. The data processing equipment analyzes and computers the data signals and acquires abrasion state of the lateral sides of the steel railway rails in real time. The detection device for dynamically detecting abrasion of the lateral sides of the steel railway rails is simple in structure, and detection efficiency and accuracy of abrasion detection of the lateral sides of the steel railway rails are improved.
Description
Technical field
The utility model relates to railroad track detection of dynamic field, relates in particular to a kind of railroad track detection of dynamic rail side wear detecting device.
Background technology
The situation and the safety of railway are closely related, particularly seem more important for high speed railway.The regular detection of track is very important for the rationalization scheme and low-cost maintenance of railway transportation: on the one hand, at track wearing and tearing and distortion commitment, carry out the track detection and help to formulate rational railroad maintenance time schedule, avoid the appearance of unsafe condition; On the other hand, the actv. track detects and will make limited manpower and instrument and equipment resource obtain good use for track lays the foundation from periodically detecting to the repair based on condition of component transformation, effectively practices thrift the track maintenance cost.
In recent years, along with the continuous development of railway speed increase and heavy haul transport, add the continuous increase of passenger-cargo freight volume and rate of traffic flow, the rail wear problem is also serious day by day.So not only aggravate the damage of track structure parts and the deterioration of track condition, caused higher cost of railway traffic, also directly had influence on safety of railway traffic.Rail service life and cycle are the important evidence of weighing circuit condition of service and operation conditions, and one of factor that plays a decisive role is exactly a rail wear.Rail wear is because the rail profile loss that wheel track contact friction, guiding and impact acting etc. cause.Rail wear mainly contains side wear, vertical abrasion, the abrasion of saddle type and undaform abrasion.Rail wear mainly is meant the side wear and the waveform abrasion of rail.As for vertical abrasion is normal generally speaking, and increase heavy along with axle and through gross weight increases.If track geometry is provided with improper, vertical wear rate is accelerated, this will prevent, can solve through adjustment track geometry size.
At present, many times all be to rely on hand dipping to the measurement of rail wear, with special-purpose its section loss of slide calliper rule artificial sampling detection.This mode needs manual record to detect data with collecting, and through just obtaining the data of rail wear after the data preparation, efficient is low, the labor manpower and materials, and have the danger of height.In addition, owing in measurement, inevitably introduced measurer's human element, precision and the reliability measured have directly been influenced.
In the prior art; Application number is 200710176249.6; Denomination of invention is in the one Chinese patent application of " a kind of steel rail wearing integrative parameter vehicle-mounted dynamic measuring device and method ", discloses a kind of device and method of measuring rail wear based on the laser vision sensor of optical grating construction.Please refer to Fig. 1, this device comprises vision sensor, computing machine, miles counter, and high speed image acquisition board and measurement module are housed in the computing machine, and vision sensor comprises the rail profile imaging system and the grating projector.This device is in the measurement of rail wear based process; The requirement horizon light face that laser vision sensor throwed is perpendicular to the rail longitudinal axis; Because laser vision sensor is installed in the train bottom; Optical plane and rail longitudinal axis out of plumb that vibration during along with train operation can cause laser vision sensor to project cause the measurement of rail wear based precision low.
The utility model provides a kind of intellectuality, easy installation, highly versatile, track side surfaces simple in structure to wear and tear detecting device; Can realize onlinely in real time track side surfaces abrasion being detected; Convenience of calculation, precision height and weak point consuming time can be corresponding with the mileage number according to rail side wear situation, regularly railway safeguarded assessment; Practice thrift the railroad maintenance cost, satisfy the needs of high-speed electrified circuit development.
Summary of the invention
The purpose of the utility model is to overcome the defective or the deficiency of prior art; Provide a kind of intellectuality, easy installation, highly versatile, track side surfaces simple in structure to wear and tear detecting device, this device is stable, antijamming capability is strong, the high and weak point consuming time of precision; Can realize onlinely in real time track side surfaces abrasion situation being detected; Count corresponding relation according to rail side wear situation and mileage, regularly railway is safeguarded assessment, practice thrift the railroad maintenance cost.
For achieving the above object, the technical scheme that the utility model adopts is: a kind of detecting device of railroad track detection of dynamic rail side wear is provided, and this device comprises signal detection collecting part, power supply and signal processing; It is characterized in that the signal detection collecting part comprises sensor, signal processing comprises data processing equipment; Wherein, Power supply is whole device power supply, and sensor detects, gathers, converts to data-signal to actual parameter, directly outputs to data processing equipment; Data processing equipment is analyzed, is calculated data-signal, thereby draws the state of rail side wear in real time.
Further, said signal detection collecting part is positioned at the locomotive bottom, and power supply and signal processing are positioned at the locomotive car, and the mouth of signal detection collecting part directly links to each other with data processing equipment.
Further, the output signal of said signal detection collecting part comprises the data-signal that contains cross-sectional plane figure information.
Further, said sensor comprises vision sensor.
Further, said vision sensor comprises the profile sensor, is installed in the bogie truck position of locomotive bottom.
Further, said profile sensor comprises left laser 2D profile sensor and right laser 2D profile sensor, and wherein, left laser 2D profile sensor and right laser 2D profile sensor are installed in the right ends of same bogie truck respectively.
Further, the installation site of said left laser 2D profile sensor and right laser 2D profile sensor and the left rail under the bogie truck, right rail form certain angle.
Further; The installation site of said left laser 2D profile sensor and right laser 2D profile sensor comprises: be benchmark with level ground and left rail, right rail longitudinal axis axis respectively; Left side laser 2D profile sensor is positioned at the upper right side of left rail, and the angular range that forms with horizontal direction is 0～90 degree; Right laser 2D profile sensor is positioned at the upper left side of right rail, and the angular range that forms with horizontal direction is 270～360 degree, and left laser 2D profile sensor and right laser 2D profile sensor are used to scan the end face figure of rail.
The beneficial effect of the utility model is; Under the situation that does not change original vehicle bottom environment, this detecting device is installed, in the vehicle operating process; Sensor detects, gathers, converts to data-signal to actual parameter; Directly output to treatment facility, treatment facility is analyzed, is calculated data-signal through software, thereby draws the state of rail side wear in real time.This install intelligent degree high, be prone to installation, highly versatile, simple in structure, antijamming capability is strong, precision is high and weak point consuming time; Can realize onlinely in real time the rail side wear being detected; Count corresponding relation according to rail side wear situation and mileage; Regularly railway is safeguarded assessment, practice thrift the railroad maintenance cost, can satisfy the needs of high-speed electrified circuit development.
Description of drawings
According to accompanying drawing and embodiment the utility model is done further explain below.
Fig. 1 is a Rail Abrasion Detection System schematic diagram of device in the prior art;
Fig. 2 is the detecting device functional block diagram of the utility model;
Fig. 3 is the detecting device scheme of installation of the utility model;
Fig. 4 is a laser 2D profile working sensor schematic diagram.
The specific embodiment
Fig. 1 is a disclosed Rail Abrasion Detection System schematic diagram of device in the prior art.This device comprises vision sensor, computing machine, miles counter, and high speed image acquisition board and measurement module are housed in the computing machine, and vision sensor comprises the rail profile imaging system 1 and the grating projector 2.Rail profile imaging system 1 comprises high-speed industrial charge coupled device camera 101, filtering apparatus 102 and shade 103, and the grating projector comprises semiconductor laser 201 and optical system 202 compositions.
Fig. 2 is the functional block diagram of the utility model railroad track detection of dynamic rail side wear detecting device.As shown in Figure 2, this device comprises signal detection collecting part, power supply and signal processing, it is characterized in that; The signal detection collecting part comprises sensor, and signal processing comprises data processing equipment, wherein; Power supply is whole device power supply, and sensor detects, gathers, converts to data-signal to actual parameter, directly outputs to data processing equipment; Data processing equipment is analyzed, is calculated data-signal through software, thereby draws the state of rail side wear in real time.
Wherein, The signal detection collecting part is positioned at the locomotive bottom; Power supply and signal processing are positioned at the locomotive car, and the input/output terminal of signal detection collecting part is connected with the positive and negative electrode of power supply respectively, and the mouth of signal detection collecting part also directly links to each other with treatment facility.Said signal detection collecting part comprises vision sensor, and its output is that the detected measured object cross-sectional plane of vision sensor figure information translation is become data-signal.Said vision sensor comprises the profile sensor.
Said data processing equipment comprises computer and software program on computers is installed, and is used for the data-signal of sensor output is analyzed.
Fig. 3 is the scheme of installation of the utility model railroad track detection of dynamic rail side wear detecting device.Shown in Fig. 3 mainly is the sensor scheme of installation that is positioned at the locomotive bottom.Sensor comprises left laser 2D profile sensor 301 and right laser 2D profile sensor 302; Sensor is supplied power by the power supply that is positioned at car body; The input/output terminal of left side laser 2D profile sensor 301 and right laser 2D profile sensor 302 is connected with the positive and negative electrode of power supply respectively, and mouth also directly links to each other with the treatment facility that is positioned at car.
Wherein, left laser 2D profile sensor 301 and right laser 2D profile sensor 302 are installed in bogie truck position at the bottom of the car, and further, left laser 2D profile sensor 301 and right laser 2D profile sensor 302 are installed in the right ends of same bogie truck respectively; Further, there are certain angle in installation site and the left rail 303 under the bogie truck, the right rail 304 of said left laser 2D profile sensor 301 and right laser 2D profile sensor 302; Further; The installation site of said left laser 2D profile sensor 301 and right laser 2D profile sensor 302 comprises: be benchmark with level ground and left rail 303, right rail 304 longitudinal axis axis respectively; Left side laser 2D profile sensor 301 is positioned at the upper right side of left rail 303, and the angular range that forms with horizontal direction is 0～90 degree; Right laser 2D profile sensor 302 is positioned at the upper left side of right rail 304, and the angular range that forms with horizontal direction is 270～360 degree, and left laser 2D profile sensor 301 and right laser 2D profile sensor 302 are used to scan the end face figure of rail.
Fig. 4 is a laser 2D profile working sensor schematic diagram.This working sensor as shown in Figure 4 is based on the optical triangulation principle.The light that semiconductor laser producer 401 sends; Form X planar light curtain through lens 402; And on object 407, form an outline line 403, and eyeglass 404 is collected the light of being returned by reflection object and it is projected to a two-dimentional CMOS array 405, and the object profile graphics of formation is by signal processor 406 analyzing and processing like this; The length of outline line is with the metering of X axle, and the height of outline line measures with the Z axle.Take the laser displacement sensor ceiling for accumulation property Du Keda 1um of triangulation, resolution can reach the level of 0.1um especially, adds that the speed of laser measurement is fast, and the time is short, can carry out Data Detection in real time, can draw the situation of change of testee contour surface.
In order to evaluate to rail abrasion status analysis and to the maintenance work of necessity, locomotive is installed a plurality of laser profile sensors in the bogie truck position, move with standard speed; Whenever at a distance from segment distance record take off data; Normal data contrast with computer stores draws the rail wear situation, and is corresponding with milepost according to the rail abrasion situation that records; Can draw the relation of rail wear and mileage; Formulate the rational railroad maintenance time, thereby guarantee the safe operation of railway, practiced thrift the railroad maintenance cost.
But laser 2D profile sensor at high speed is measured the entire profile, rather than several limited measurement point, can reflect raceway surface profile situation more comprehensively, accurately, especially is fit to precision and all very high on-line measurement system of rate request.Adopt laser 2D profile sensor major advantage following:
-quick, comprehensive, high-acruracy survey
The assessment and the care diagnostic of-track profile condition
-be convenient to install, measure simple
-track profile situation writes down and quality assessment, but not only some measurement points is controlled
-in light weight, portable, simple to operate
-no movable part, the life-span is longer, and maintenance cost is lower
Treatment facility comprises computer and software program on computers is installed in the present embodiment.Laser 2D sensor detects, gathers, converts to data-signal to actual parameter, directly outputs to treatment facility, and treatment facility is analyzed data-signal through software, thereby draws the state of rail side wear in real time.
The utility model is under the situation that does not change original vehicle bottom environment; This detecting device is installed; In the vehicle operating process, sensor detects, gathers, converts to data-signal to actual parameter, directly outputs to treatment facility; Treatment facility is analyzed, is calculated data-signal through software, thereby draws the state of rail side wear in real time.This installs intelligent degree high, easy installation, highly versatile, antijamming capability is strong, precision is high and weak point consuming time; Can realize onlinely in real time the rail side wear being detected; Count corresponding relation according to rail side wear situation and mileage; Regularly railway is safeguarded assessment, practice thrift the railroad maintenance cost, satisfy the needs of high-speed electrified circuit development.
Above-mentioned preferred embodiment and the institute's application technology principle that is merely the utility model; Any technical personnel of being familiar with the present technique field is in the technical scope that the utility model discloses; The variation that can expect easily or replacement all should be encompassed in the protection domain of the utility model.
Claims (8)
1. the detecting device of a railroad track detection of dynamic rail side wear, this device comprises signal detection collecting part, power supply and signal processing, it is characterized in that; The signal detection collecting part comprises sensor; Signal processing comprises data processing equipment, and wherein, power supply is whole device power supply; Sensor detects, gathers, converts to data-signal to actual parameter; Directly output to data processing equipment, data processing equipment is analyzed, is calculated data-signal, thereby draws the state of rail side wear in real time.
2. detecting device according to claim 1 is characterized in that, said signal detection collecting part is positioned at the locomotive bottom, and power supply and signal processing are positioned at the locomotive car, and the mouth of signal detection collecting part directly links to each other with data processing equipment.
3. detecting device according to claim 1 is characterized in that the output signal of said signal detection collecting part comprises the data-signal that contains cross-sectional plane figure information.
4. detecting device according to claim 1 is characterized in that said sensor comprises vision sensor.
5. detecting device according to claim 4 is characterized in that said vision sensor comprises the profile sensor, is installed in the bogie truck position of locomotive bottom.
6. detecting device according to claim 5; It is characterized in that; Said profile sensor comprises left laser 2D profile sensor and right laser 2D profile sensor, and wherein, left laser 2D profile sensor and right laser 2D profile sensor are installed in the right ends of same bogie truck respectively.
7. detecting device according to claim 6 is characterized in that, the installation site of said left laser 2D profile sensor and right laser 2D profile sensor and the left rail under the bogie truck, right rail form certain angle.
8. detecting device according to claim 7; It is characterized in that; The installation site of said left laser 2D profile sensor and right laser 2D profile sensor comprises: be benchmark with level ground and left rail, right rail longitudinal axis axis respectively; Left side laser 2D profile sensor is positioned at the upper right side of left rail, and the angular range that forms with horizontal direction is 0～90 degree, and right laser 2D profile sensor is positioned at the upper left side of right rail; The angular range that forms with horizontal direction is 270～360 degree, and left laser 2D profile sensor and right laser 2D profile sensor are used to scan the end face figure of rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204004075U CN202400107U (en) | 2011-10-19 | 2011-10-19 | Detection device for dynamically detecting abrasion of lateral sides of steel railway rails |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204004075U CN202400107U (en) | 2011-10-19 | 2011-10-19 | Detection device for dynamically detecting abrasion of lateral sides of steel railway rails |
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| Publication Number | Publication Date |
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| CN202400107U true CN202400107U (en) | 2012-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011204004075U Expired - Lifetime CN202400107U (en) | 2011-10-19 | 2011-10-19 | Detection device for dynamically detecting abrasion of lateral sides of steel railway rails |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104442917A (en) * | 2014-12-31 | 2015-03-25 | 北京二七轨道交通装备有限责任公司 | Track detection method |
| CN106080661A (en) * | 2016-05-27 | 2016-11-09 | 电子科技大学 | Train guide rail profile undulatory wear measuring method |
| CN106441107A (en) * | 2016-08-30 | 2017-02-22 | 大连民族大学 | Method for automatic detection of steel rail abrasion |
| CN107074255A (en) * | 2014-06-25 | 2017-08-18 | 庞巴迪运输有限公司 | Apparatus and method and railroad vehicle for determination at least one feature of the track of railroad vehicle |
| CN108128323A (en) * | 2016-08-30 | 2018-06-08 | 大连民族大学 | With the selection method of the relevant laser image characteristic quantity of rail wear amount |
-
2011
- 2011-10-19 CN CN2011204004075U patent/CN202400107U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107074255A (en) * | 2014-06-25 | 2017-08-18 | 庞巴迪运输有限公司 | Apparatus and method and railroad vehicle for determination at least one feature of the track of railroad vehicle |
| CN107074255B (en) * | 2014-06-25 | 2020-02-21 | 庞巴迪运输有限公司 | Device and method for determining at least one characteristic of a rail for a rail vehicle, and rail vehicle |
| CN104442917A (en) * | 2014-12-31 | 2015-03-25 | 北京二七轨道交通装备有限责任公司 | Track detection method |
| CN106080661A (en) * | 2016-05-27 | 2016-11-09 | 电子科技大学 | Train guide rail profile undulatory wear measuring method |
| CN106441107A (en) * | 2016-08-30 | 2017-02-22 | 大连民族大学 | Method for automatic detection of steel rail abrasion |
| CN108128323A (en) * | 2016-08-30 | 2018-06-08 | 大连民族大学 | With the selection method of the relevant laser image characteristic quantity of rail wear amount |
| CN108128323B (en) * | 2016-08-30 | 2019-09-17 | 大连民族大学 | The selection method of laser image characteristic quantity relevant to rail wear amount |
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Granted publication date: 20120829 |