CN203744928U - Device for measuring external geometrical sizes and surface quality of steel rail - Google Patents
Device for measuring external geometrical sizes and surface quality of steel rail Download PDFInfo
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- CN203744928U CN203744928U CN201420093469.XU CN201420093469U CN203744928U CN 203744928 U CN203744928 U CN 203744928U CN 201420093469 U CN201420093469 U CN 201420093469U CN 203744928 U CN203744928 U CN 203744928U
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Abstract
The utility model relates to a device for measuring external geometrical sizes and the surface quality of a steel rail. The device comprises steel rail four-direction locators, an encoder B, a two-dimensional laser sensor set A, a two-dimensional laser sensor set B, a two-dimensional laser sensor set C, an encoder A, a cabinet and a control panel. From the entering direction of the steel rail, the steel rail four-direction locators, the encoder A, the two-dimensional laser sensor set A, the two-dimensional laser sensor set B, the two-dimensional laser sensor set C and the encoder B are respectively arranged on a bearing table; steel rail four-direction locators are respectively arranged between the two-dimensional laser sensor set A and the two-dimensional laser sensor set B and between the two-dimensional laser sensor set B and the two-dimensional laser sensor set C; and the two-dimensional laser sensor set C is also provided with the steel rail four-direction positioned. According to the device for measuring external geometrical sizes and the surface quality of the steel rail, the external geometrical sizes and the surface quality of the steel rail can be effectively detected, the utilization rate of the steel rail is greatly improved, and hidden dangers in the subsequent use are reduced.
Description
Technical field
The utility model relates to a kind of device of measuring rail outward appearance physical dimension and surface quality, belongs to rail detection technique field.
Background technology
At present, high-speed railway has all adopted the track laying form of gapless rail, the flatness of the welding line joint of gapless rail will directly affect the flatness of rail, in track laying process, the underproof rail of flatness of steel rail welding line position increases difficulty and the cycle of rail accurate adjustment on the one hand, is difficult to ensure on the other hand the long-time stability of rail.So the flatness of the welding position of gapless rail is to guarantee the key factor of gapless track entirety flatness.In the weld job of gapless rail, the parameters such as the tread of the outward appearance physical dimension, particularly rail of rail is wide, the flange of rail is wide, rail is high, flatness and torsion resistance, are the key factors of steel rail straightness after impact welding, and its reason is as follows:
1) rail profile size parameters such as () particularly tread are wide, rail is high, the flange of rail is wide; In the time that the tread of the two one steel rail ends that weld together is wide or the wide size of the flange of rail is inconsistent or difference is larger, the side flatness of the rail after welding is just difficult to ensure; In the time that the high size of rail is inconsistent or difference is larger, the end face flatness of the rail after welding is just difficult to ensure; Like this, will increase the workload of polishing after welding on the one hand, reduce the efficiency of weld job, improve outside welding cost, also reduced on the other hand the quality of finished product rail;
2) flatness of end of rail and torsion resistance: end face flatness, side flatness or the torsion resistance of the two one steel rail ends that weld together directly affects flatness and the torsion resistance of the rear rail of welding, this will increase the workload of polishing after welding, also the straightening technique after welding is proposed to higher requirement simultaneously, increase the cycle of straightening, also will reduce the quality of finished product rail.
So before welding the outward appearance physical dimension of rail will directly have influence on the quality of rail after welding, then have influence on the flatness of continuous welded rail track after laying, so most important to improving the quality of gapless rail to the control of welding front rail outward appearance physical dimension.
Utility model content
The purpose of this utility model is to provide a kind of device of measuring rail outward appearance physical dimension and surface quality, to check for rail outward appearance physical dimension and surface quality better.
To achieve these goals, the technical solution of the utility model is as follows.
A kind of device of measuring rail outward appearance physical dimension and surface quality, utilize laser measuring technique, under rail motion state, adopt three groups of laser instruments totally eight two-dimensional laser sensors collection rail profile outline datas, carry out data fusion by computer software, section splices each, obtains rail three-D profile.Automatic analysis rail cross sections profile, detect rail outward appearance physical dimension, comprise that rail is high, tread width, web of the rail width, flange of rail width, tread flatness, trackside flatness and flange of rail torsion resistance, detect Rail Surface quality, as cut, scratch etc., uploading detection result is to weldering rail production management system, realize and automatically join rail and rail Data Enter, testing result shows in real time, there is the three-D profile picture of defect in recording surface quality, show in real time testing result, in the time that testing result exceeds standard value, sound and light alarm reminds staff to process in time in real time.
This device includes the equipment such as 2 photoelectric encoders, 8 two-dimensional laser sensors, laser sensor controller master800, isochronous controller, switch, computing machine and laser sensor automatic blowout devices.Switch is connected by kilomega network with PC, and synchronizer is connected by RS-232 serial ports with PC.
This device comprises that rail four directions is to steady arm, scrambler B, two-dimensional laser sensor group A, two-dimensional laser sensor group B, two-dimensional laser sensor group C, scrambler A, rack and control desk, wherein in rack, be provided with isochronous controller, laser sensor controller master800, switch, control desk is provided with computing machine, keyboard, display and acoustic-optic alarm.Two-dimensional laser sensor group A, two-dimensional laser sensor group B, two-dimensional laser sensor group C are arranged on respectively on three rigid supports that are arranged on plummer.From rail approach axis, on plummer, be separately installed with rail four directions to steady arm, scrambler A, two-dimensional laser sensor group A, two-dimensional laser sensor group B, two-dimensional laser sensor group C, scrambler B, between two-dimensional laser sensor group A and two-dimensional laser sensor group B, rail four directions is all installed to steady arm between two-dimensional laser sensor group B and two-dimensional laser sensor group C, after two-dimensional laser sensor group C, rail four directions is also installed to steady arm.
Wherein, two-dimensional laser sensor group A comprises two-dimensional laser sensors A-1, is arranged on rail head side top.Two-dimensional laser sensor group B comprises two two-dimensional laser sensor B-1, B-2, and two-dimensional laser sensor B-1 is arranged on rail head side top, and laser two-dimensional laser sensor B-2 is arranged on flange of rail side-lower.Two-dimensional laser sensor group C comprises five two-dimensional laser sensor C-1～C-5, two-dimensional laser sensor C-1 and C-2 are arranged on respectively both sides, rail head top, two-dimensional laser sensor C-3 and C-4 are arranged on respectively flange of rail both sides, two-dimensional laser sensor C-5 is arranged on flange of rail side-lower, and two-dimensional laser sensor group C can scan the full section of rail profile.
Rail profile physical dimension, comprises that rail is high, tread is wide, the flange of rail is wide, web of the rail thickness etc., realizes measuring by 5 laser sensors such as C-1, C-2, C-3, C-4, C-5, and 5 sensors obtain the full profile data of rail; The tread face flatness of rail and acting surface flatness, realized and being measured by three laser sensors such as A-1, B-1, C-1; The torsion resistance of rail has 2 laser sensors such as B-2 and C-2 to realize measurement.
Rail enters wherein, and rail four directions is to the roller contact in steady arm, and while there is vibration, the amplitude by rail four directions to the spring restriction roller in steady arm, vibrates within the specific limits thereby control rail, plays rail four directions to positioning action.
In this device, device therefor and function thereof are: (1) two-dimensional laser sensor group A: scanning rail head of rail and trackside data, and for detection of rail head flatness and trackside flatness.(2) two-dimensional laser sensor group B: scanning rail head of rail and flange of rail data, B-1 is for detection of rail head flatness and trackside flatness, and B-2 is for detection of flange of rail torsion resistance.(3) two-dimensional laser sensor group C: the full profile data of scanning rail profile, C-1～C-5 is high for detection of Rail, rail head width, web of the rail width and flange of rail width, meanwhile, C-1 is also for detection of rail head flatness and trackside flatness, and C-5 is also for detection of flange of rail torsion resistance.(4) laser sensor automatic blowout device: be arranged on each laser sensor side top, pick-up unit is started working, start automatic blowout device, to laser sensor shut list top blast air, remove surface dirt, prevent that dust adhesion from arriving laser sensor camera lens surface, affects accuracy of detection.(5) rail four directions is to steady arm: for clamping rail, ensure that rail is positioned at the surveyed area of two-dimensional laser sensor.(6) scrambler A, B: connect roller and isochronous controller, for controlling the work of rail outward appearance physical dimension automatic judging device.In the time that scrambler A has signal, with the signal detection trigger device work of scrambler A; In the time of scrambler A and the equal no signal of scrambler B, pick-up unit quits work; When scrambler A no signal, when scrambler B has signal, with the signal detection trigger device work of scrambler B.(7) Master800: connect isochronous controller and rail outward appearance physical dimension and automatically measure each two-dimensional laser sensor in decision maker, for triggering two-dimensional laser sensor image data.(8) isochronous controller: connect computing machine, master800 and scrambler.For the pulse signal of received code device A, B, transmit control signal to master800, for controlling the duty of pick-up unit, send count pulse to computing machine.(9) switch: connect each two-dimensional laser sensor and computing machine, receive for computing machine the data that two-dimensional laser sensor gathers.(10) computing machine: connect synchro control plate and switch, for the treatment of testing result, realize all software functions of system, control sound and light alarm etc.
The workflow of this device is: (1) rail enters pick-up unit, drives scrambler C to rotate; (2) scrambler A transmitted is to isochronous controller, and isochronous controller sends trigger pip master, and master triggers two-dimensional laser sensor group A, B, C image data; (3) two-dimensional laser sensor sends data to computing machine by switch; (4) computing machine calculates testing result, and uploading data shows and recording detection data in real time, in the time that testing result exceeds standard value, controls sound and light alarm and reminds operating personnel to process in time; (5) rail leaves scrambler A, triggers two-dimensional laser sensor group work on the pulse signal of scrambler B; (6) after rail leaves, scrambler B stops operating, and two-dimensional laser passes A sensor group and quits work.
The beneficial effect of this utility model is: this utility model device, under rail motion state, adopt three laser sensor groups totally eight full profiled outline data of two-dimensional laser sensors collection rail, carry out data fusion by computer software, section splices each, obtain rail three-D profile, calculate rail outward appearance physical dimension, detect Rail Surface quality.Realize noncontact, detection of dynamic.Adopt two photoelectric encoders, trigger alternately the work of laser sensor group, realize rail outward appearance physical dimension and surface quality integrality.If only adopt a photoelectric encoder, cannot trigger laser array and scan the data of rail head or rail afterbody (> 100mm distance).And rail head just and the outward appearance physical dimension of rail tail and overall surface quality that weldering rail technique is focused on.Because Rail Surface has dust, the laser sensor of rail foot is easily polluted, and rail foot laser sensor is all positioned at rail foot side-lower.Design is used rail four directions to steady arm, controls rail vibration amplitude, avoids rail vibration amplitude excessive, ensures that rail is in laser instrument surveyed area.This utility model device, can detect for rail outward appearance physical dimension and surface quality effectively, thereby can greatly improve the utilization factor of rail, has reduced the potential safety hazard in follow-up use.
Brief description of the drawings
Fig. 1 is institute's operative installations electrical structure block diagram in the utility model embodiment.
Fig. 2 is institute's operative installations mounting structure schematic diagram in the utility model embodiment
Fig. 3 is that in the utility model embodiment, institute's operative installations is installed block diagram.
Fig. 4 is two-dimensional laser sensor group A scheme of installation in the utility model embodiment.
Fig. 5 is two-dimensional laser sensor group B scheme of installation in the utility model embodiment.
Fig. 6 is two-dimensional laser sensor group C scheme of installation in the utility model embodiment.
Fig. 7 be in the utility model embodiment the rail four directions in institute's operative installations to steady arm schematic diagram.
Fig. 8 is institute's operative installations flow chart of data processing figure in the utility model embodiment.
Fig. 9 is two-dimensional laser transducer calibration principle schematic in the utility model.
Figure 10 is the standard component sectional schematic diagram in the utility model.
Figure 11 is that the rail outward appearance physical dimension in the utility model detects principle schematic.
Figure 12 is that the string in the utility model is surveyed method flatness detection principle schematic.
Figure 13 is that the tread face flatness in the utility model detects principle schematic.
Figure 14 is that the trackside face flatness in the utility model detects principle schematic.
Figure 15 is that in the utility model, coplanar principle detects torsion resistance principle schematic.
Figure 16 is that in the utility model, flange of rail torsion resistance detects schematic diagram.
Figure 17 is Rail Surface quality testing principle schematic in the utility model.
Figure 18 is rail line drawing in the utility model.
Description of symbols in figure: 1, plummer; 2, rail; 3, rail four directions is to steady arm; 4, scrambler B; 5, two-dimensional laser sensor group C; 6, two-dimensional laser sensor group B; 7, two-dimensional laser sensor group A; 8, scrambler A.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described, to better understand the utility model.
The device of this measurement rail outward appearance physical dimension and surface quality, utilize laser measuring technique, under rail motion state, adopt three groups of laser instruments totally eight two-dimensional laser sensors collection rail profile outline datas, carry out data fusion by computer software, section splices each, obtains rail three-D profile.Automatic analysis rail cross sections profile, detect rail outward appearance physical dimension, comprise that rail is high, tread width, web of the rail width, flange of rail width, tread flatness, trackside flatness and flange of rail torsion resistance, detect Rail Surface quality, as cut, scratch etc., uploading detection result is to weldering rail production management system, realize and automatically join rail and rail Data Enter, testing result shows in real time, there is the three-D profile picture of defect in recording surface quality, show in real time testing result, in the time that testing result exceeds standard value, sound and light alarm reminds staff to process in time in real time.
As shown in Figure 1, for rail outward appearance physical dimension is measured decision maker electrical structure block diagram automatically.Include the equipment such as 2 photoelectric encoders, 8 two-dimensional laser sensors, laser sensor controller master800, isochronous controller, switch, computing machine and laser sensor automatic blowout devices.Switch is connected by kilomega network with PC, and synchronizer is connected by RS-232 serial ports with PC.
As shown in Figure 2 and Figure 3, this device comprises that rail four directions is to steady arm 3, scrambler B4, two-dimensional laser sensor group A7, two-dimensional laser sensor group B6, two-dimensional laser sensor group C5, scrambler A8, rack and control desk, wherein in rack, be provided with isochronous controller, master800, switch, control desk is provided with computing machine, keyboard, display and acoustic-optic alarm.Two-dimensional laser sensor group A7, two-dimensional laser sensor group B6, two-dimensional laser sensor group C5 are arranged on respectively on three rigid supports that are arranged on plummer 1.From rail 2 approach axis, on plummer 1, be separately installed with rail four directions to steady arm 3, scrambler A8, two-dimensional laser sensor group A7, two-dimensional laser sensor group B6, two-dimensional laser sensor group C5, scrambler B4, between two-dimensional laser sensor group A7 and two-dimensional laser sensor group B6, rail four directions is all installed to steady arm between two-dimensional laser sensor group B6 and two-dimensional laser sensor group C5, after two-dimensional laser sensor group C, rail four directions is also installed to steady arm 3.
Fig. 4, Fig. 5, Fig. 6 are the scheme of installation of two-dimensional laser sensor group A, B, C.Wherein, two-dimensional laser sensor group A comprises two-dimensional laser sensors A-1, is arranged on rail head side top.Two-dimensional laser sensor group B comprises two two-dimensional laser sensor B-1, B-2, and two-dimensional laser sensor B-1 is arranged on rail head side top, and laser two-dimensional laser sensor B-2 is arranged on flange of rail side-lower.Two-dimensional laser sensor group C comprises five two-dimensional laser sensor C-1～C-5, two-dimensional laser sensor C-1 and C-2 are arranged on respectively both sides, rail head top, two-dimensional laser sensor C-3 and C-4 are arranged on respectively flange of rail both sides, two-dimensional laser sensor C-5 is arranged on flange of rail side-lower, and two-dimensional laser sensor group C can scan the full section of rail profile.
Rail profile physical dimension, comprises that rail is high, tread is wide, the flange of rail is wide, web of the rail thickness etc., realizes measuring by 5 laser sensors such as C-1, C-2, C-3, C-4, C-5, and 5 sensors obtain the full profile data of rail; The tread face flatness of rail and acting surface flatness, realized and being measured by three laser sensors such as A-1, B-1, C-1; The torsion resistance of rail has 2 laser sensors such as B-2 and C-2 to realize measurement.
As shown in Figure 7, for rail four directions is to locator structure figure.Rail enters wherein, and rail four directions is to the roller contact in steady arm, and while there is vibration, the amplitude by rail four directions to the spring restriction roller in steady arm, vibrates within the specific limits thereby control rail, plays rail four directions to positioning action.
In this device, device therefor and function thereof are: (1) two-dimensional laser sensor group A: scanning rail head of rail and trackside data, and for detection of rail head flatness and trackside flatness.(2) two-dimensional laser sensor group B: scanning rail head of rail and flange of rail data, B-1 is for detection of rail head flatness and trackside flatness, and B-2 is for detection of flange of rail torsion resistance.(3) two-dimensional laser sensor group C: the full profile data of scanning rail profile, C-1～C-5 is high for detection of Rail, rail head width, web of the rail width and flange of rail width, meanwhile, C-1 is also for detection of rail head flatness and trackside flatness, and C-5 is also for detection of flange of rail torsion resistance.(4) laser sensor automatic blowout device: be arranged on each laser sensor side top, pick-up unit is started working, start automatic blowout device, to laser sensor shut list top blast air, remove surface dirt, prevent that dust adhesion from arriving laser sensor camera lens surface, affects accuracy of detection.(5) rail four directions is to steady arm: for clamping rail, ensure that rail is positioned at the surveyed area of two-dimensional laser sensor.(6) scrambler A, B: connect roller and isochronous controller, for controlling the work of rail outward appearance physical dimension automatic judging device.In the time that scrambler A has signal, with the signal detection trigger device work of scrambler A; In the time of scrambler A and the equal no signal of scrambler B, pick-up unit quits work; When scrambler A no signal, when scrambler B has signal, with the signal detection trigger device work of scrambler B.(7) Master800: connect isochronous controller and rail outward appearance physical dimension and automatically measure each two-dimensional laser sensor in decision maker, for triggering two-dimensional laser sensor image data.(8) isochronous controller: connect computing machine, master800 and scrambler.For the pulse signal of received code device A, B, transmit control signal to master800, for controlling the duty of pick-up unit, send count pulse to computing machine.(9) switch: connect each two-dimensional laser sensor and computing machine, receive for computing machine the data that two-dimensional laser sensor gathers.(10) computing machine: connect synchro control plate and switch, for the treatment of testing result, realize all software functions of system, control sound and light alarm etc.
The workflow of this device is: (1) rail enters pick-up unit, drives scrambler C to rotate; (2) scrambler A transmitted is to isochronous controller, and isochronous controller sends trigger pip master, and master triggers two-dimensional laser sensor group A, B, C image data; (3) two-dimensional laser sensor sends data to computing machine by switch; (4) computing machine calculates testing result, and uploading data shows and recording detection data in real time, in the time that testing result exceeds standard value, controls sound and light alarm and reminds operating personnel to process in time; (5) rail leaves scrambler A, triggers two-dimensional laser sensor group work on the pulse signal of scrambler B; (6) after rail leaves, scrambler B stops operating, and two-dimensional laser passes A sensor group and quits work.
Be illustrated in figure 8 this device data flowchart.Flow chart of data processing is divided into three large modules: pretreatment module, detection algorithm and result treatment module.(1) pretreatment module: comprise data acquisition, data fusion and data filtering.Computing machine obtains the raw data that two-dimensional laser sensor gathers, eight two-dimensional laser sensors are carried out to data fusion, and fused data, in unified coordinate system, is then carried out filtering processing to data, filtering interfering point and Null Spot etc., finally give detection algorithm data.(2) detection algorithm: effect is to detect rail outward appearance physical dimension and surface quality.Data enter respectively physical dimension detection module, flatness detection module, torsion resistance detection module and surface quality detection module, carry out the detection of parameters, and the in-problem part of storage surface quality is stored its three-D profile data.(3) result treatment module: testing result storage SQL database, uploads to weldering rail production management system; Support testing result report printing and derivation; Testing result shows in real time, can check rail profile section and rail three-D profile; In the time that testing result exceeds standard value, sound and light alarm in real time, reminds operating personnel to process in time.
The detection principle of said apparatus is as follows:
(1) rail outward appearance physical dimension is measured decision maker demarcation automatically:
As shown in Figure 9, be two-dimensional laser transducer calibration principle schematic.The data that two-dimensional laser sensor group A, B, C gather are all in the defined coordinate system (X of two-dimensional laser sensor separately, Y coordinate system) in, demarcation need to be (unified to X ｀ in identical coordinate system the unification of all two-dimensional laser sensing datas, in Y ｀ coordinate system), be that each frame data (rail profile) are in identical coordinate system, the data fusion that so just can well two-dimensional laser sensor group be gathered, obtain complete rail profile section, accurate analysis rail outward appearance physical dimension and surface quality.
By (X, Y) coordinate system translation vector (dx, dy), then rotate θ angle, two-dimensional laser sensing data is transformed in (X ｀, Y ｀) coordinate system, realize two-dimensional laser sensor group data fusion, obtain rail profile profile data.
Scaling method is: design serrate standard component, set up sawtooth standard component sectional model, as shown in figure 10; With mounted device scan standard component; Data by each two-dimensional laser sensor collection are done and are mated with standard component model, the translational movement (X, Y) between acquisition two-dimensional laser sensor coordinates and unified coordinate system and the relation of rotation amount (angle θ); Calibrating parameters by recording each two-dimensional laser sensor, to configuration file, is set up unified coordinate system.
(2) rail outward appearance physical dimension detects principle:
As shown in figure 11, for rail outward appearance physical dimension detects schematic diagram.The data that two-dimensional laser sensor group A detects are passed through data fusion, unified in identical coordinate system, obtain the rail profile in Figure 11, pass through software analysis, detect the required unique point P1～P8 of rail outward appearance physical dimension, calculate the high H of Rail, rail head width W 1, web of the rail width W 2 and flange of rail width W 3.Rail is high: H=|P1P8|; Rail head width W 1=|P2P3|; Web of the rail width W 2=|P4P5|.
(3) flatness detects principle:
(3a) string survey method detects flatness principle: as shown in figure 12, survey method flatness detect schematic diagram for string.P1, P2, P3 are measuring point to be checked, and the flatness of P1, P2, P3 is described with P2M, and δ (δ > 0) is flatness judgment threshold.If P2M > is δ, put P2 and be positioned at the top of P1 and P3 place straight line, P1, P2, P3 are convex; If P2M is <-δ, put P2 and be positioned at the below of P1 and P3 place straight line, P1, P2, P3 are concavity.
(3b) tread face flatness detects: as shown in figure 13, and for rail surface flatness detects principle.The rail profile outline data scanning by laser A-1, A-2, B-1, C-1 in two-dimensional laser sensor group A, B, C, software analysis is found out tread mid point as detecting unique point P1, P2, P3, calculate again the flatness of P1, P2, P3 by string survey method, i.e. tread face flatness D.Flatness D=((y_p1+y_p3))/2-y_p2.
(3c) trackside face flatness detects: as shown in figure 14, and for rail side flatness detects principle.The rail profile outline data scanning by laser A-1, A-2, B-1, C-1 in two-dimensional laser sensor group A, B, C, software analysis is found out detection unique point P1, P2, the P3 at the following 16mm of tread face place, calculate again the flatness of P1, P2, P3 by string survey method, i.e. tread face flatness D.Flatness D=((x_p1+x_p3))/2-x_p2.
(4) torsion resistance detects principle:
(4a) coplanar principle detects torsion resistance principle: adopt coplanar principle to detect rail foot surface torsion resistance.3 determine a plane, if the 4th point is not in the plane, between four points, have distortion.As shown in figure 15, P4 is distortion value to the distance P 4M of plane P 1P2P3.
(4b) flange of rail torsion resistance detects: as shown in figure 16, and for flange of rail torsion resistance detects schematic diagram.The rail foot surface outline data gathering by two-dimensional laser sensors A-5 in two-dimensional laser sensor group A, B and B-2, computer software analysis is found out unique point P1, P2, P3, P4, utilize coplanar principle, the torsion resistance of analytical characteristic point P1, P2, P3, P4, i.e. flange of rail face torsion resistance T.
P1, P2, P3 place planar process vector
computation process:
By
with
:
(x
p1-x
p2，y
p1-y
p2，z
p1-z
p2)×(x，y，z)＝0
(x
p1-x
p3，y
p1-y
p3，z
p1-z
p2)×(x，y，z)＝0
Torsion resistance
(5) Rail Surface quality testing principle: adopt the rail profile data of two-dimensional laser sensor group A collection and the rail profile Model Matching of standard, find out rail profile defect.As shown in figure 17, be Rail Surface quality testing schematic diagram.Utilize profile data and model data to do and mate, find out the degree of depth of defective locations and this defect.As shown in figure 18, be rail three-D profile view.All sections of computer software analysis two-dimensional laser sensor scan, the defect of connection continuous cross-section, calculates steel rail defect area and depth of defect (getting the section greatest drawback degree of depth).
The above is preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications are also considered as protection domain of the present utility model.
Claims (2)
1. measure the device of rail outward appearance physical dimension and surface quality for one kind, it is characterized in that: comprise that rail four directions is to steady arm, scrambler B, two-dimensional laser sensor group A, two-dimensional laser sensor group B, two-dimensional laser sensor group C, scrambler A, rack and control desk, in described rack, be provided with isochronous controller, laser sensor controller, switch, control desk is provided with computing machine, keyboard, display and acoustic-optic alarm; Described two-dimensional laser sensor group A, two-dimensional laser sensor group B, two-dimensional laser sensor group C are arranged on respectively on three rigid supports that are arranged on plummer; From rail approach axis, on plummer, be separately installed with rail four directions to steady arm, scrambler A, two-dimensional laser sensor group A, two-dimensional laser sensor group B, two-dimensional laser sensor group C, scrambler B, between described two-dimensional laser sensor group A and two-dimensional laser sensor group B, rail four directions is all installed to steady arm between two-dimensional laser sensor group B and two-dimensional laser sensor group C, after described two-dimensional laser sensor group C, rail four directions is also installed to steady arm.
2. the device of measurement rail outward appearance physical dimension according to claim 1 and surface quality, is characterized in that: described two-dimensional laser sensor group A comprises two-dimensional laser sensors A-1, is arranged on rail head side top; Described two-dimensional laser sensor group B comprises two two-dimensional laser sensor B-1, B-2, and two-dimensional laser sensor B-1 is arranged on rail head side top, and laser two-dimensional laser sensor B-2 is arranged on flange of rail side-lower; Described two-dimensional laser sensor group C comprises five two-dimensional laser sensor C-1～C-5, two-dimensional laser sensor C-1 and C-2 are arranged on respectively both sides, rail head top, described two-dimensional laser sensor C-3 and C-4 are arranged on respectively flange of rail both sides, and described two-dimensional laser sensor C-5 is arranged on flange of rail side-lower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420093469.XU CN203744928U (en) | 2014-03-03 | 2014-03-03 | Device for measuring external geometrical sizes and surface quality of steel rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420093469.XU CN203744928U (en) | 2014-03-03 | 2014-03-03 | Device for measuring external geometrical sizes and surface quality of steel rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203744928U true CN203744928U (en) | 2014-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420093469.XU Expired - Lifetime CN203744928U (en) | 2014-03-03 | 2014-03-03 | Device for measuring external geometrical sizes and surface quality of steel rail |
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| CN (1) | CN203744928U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104236480A (en) * | 2014-09-22 | 2014-12-24 | 电子科技大学 | Line-structured light machine vision hexagonal billet steel profile measuring device and method |
| CN106500623A (en) * | 2016-12-06 | 2017-03-15 | 中国铁道科学研究院铁道建筑研究所 | A kind of detection of rail cross-section device and wheel rail relation assessment system |
| CN106546176A (en) * | 2015-09-21 | 2017-03-29 | 武汉汉宁科技有限公司 | A kind of rail outward appearance physical dimension and surface defect detection apparatus |
| CN107561083A (en) * | 2017-07-26 | 2018-01-09 | 天津大学 | A kind of surface quality of steel detecting system |
| CN107561092A (en) * | 2017-07-26 | 2018-01-09 | 天津大学 | A kind of surface quality of steel detection method |
| CN107830832A (en) * | 2017-10-30 | 2018-03-23 | 北京颐和海纳科技有限公司 | Workpiece profile scanning system and method |
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2014
- 2014-03-03 CN CN201420093469.XU patent/CN203744928U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104236480A (en) * | 2014-09-22 | 2014-12-24 | 电子科技大学 | Line-structured light machine vision hexagonal billet steel profile measuring device and method |
| CN104236480B (en) * | 2014-09-22 | 2017-06-27 | 电子科技大学 | A kind of line-structured light machine vision hexagonal steel billet contour outline measuring set and method |
| CN106546176A (en) * | 2015-09-21 | 2017-03-29 | 武汉汉宁科技有限公司 | A kind of rail outward appearance physical dimension and surface defect detection apparatus |
| CN106500623A (en) * | 2016-12-06 | 2017-03-15 | 中国铁道科学研究院铁道建筑研究所 | A kind of detection of rail cross-section device and wheel rail relation assessment system |
| CN107561083A (en) * | 2017-07-26 | 2018-01-09 | 天津大学 | A kind of surface quality of steel detecting system |
| CN107561092A (en) * | 2017-07-26 | 2018-01-09 | 天津大学 | A kind of surface quality of steel detection method |
| CN107830832A (en) * | 2017-10-30 | 2018-03-23 | 北京颐和海纳科技有限公司 | Workpiece profile scanning system and method |
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