CN202195800U - Automatic measuring device for steel rail - Google Patents
Automatic measuring device for steel rail Download PDFInfo
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- CN202195800U CN202195800U CN2011202982529U CN201120298252U CN202195800U CN 202195800 U CN202195800 U CN 202195800U CN 2011202982529 U CN2011202982529 U CN 2011202982529U CN 201120298252 U CN201120298252 U CN 201120298252U CN 202195800 U CN202195800 U CN 202195800U
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Abstract
The utility model relates to an automatic measuring device for a steel rail. The measuring device comprises a base (1), a measuring truss (2), an outer positioning device (5) and an inner positioning device (6), wherein the base (1) is in a flat plate shape, and the measuring truss (2) in a square frame shape is fixedly connected with the base (1); and sixteen laser sensors are arranged on the measuring truss (2). The measuring device can provide parameters for the steel rail of a rail welding base of a railway after the physical dimension, the flatness, the torsion resistance, the symmetry and the like of the cross section of the steel rail before welding are measured; and on one hand, the aligning technique is instructed, on the other hand, the automatic rail matching can be realized, thereby ensuring the welding quality of the steel rail. The measuring device has high measuring efficiency and accuracy, the quality of the steel rail is improved, and the measuring speed is increased; in addition, a data base is established, thereby ensuring the subsequent use and responsibility determination.
Description
Technical field
The utility model relates to the field of Instrument Science and Technology, relates in particular to a kind of quick, harmless, high-precision rail self-operated measuring unit.
Background technology
Certificate " railway statistical communique in 2010 ": by the end of the year 2010, the China railways revenue kilometres reach 9.1 ten thousand kilometers, and mileage length occupies the second place of the world.Aspect Line for Passenger Transportation and high speed railway construction, to 2009, amount on 3459.4 kilometers bases at 10 Lines for Passenger Transportation of going into operation, 2318.9 kilometers of 5 Lines for Passenger Transportation such as military wide, Zhejiang, Taiwan and Wenzhou, Wenzhou-Fuzhou are constructed and put into operation again.Totally 1554.3 kilometers of Shanghai and Nanjing, Shanghai-Hangzhou, wide pearl, Chang Ji, high-speed railways such as prosperous nine were constructed and put into operation again in 2010; Newly-started Shanghai elder brother, close high-speed railways such as good fortune, Da Xi, Yun Gui, Lanzhou and Xinjiang, 8100 kilometers of construction scales.
The rail of China railways Line for Passenger Transportation, high-speed railway and other main track is realized seamless process basically at present, builds together and be provided with 14 head of a family's rail factories in the whole nation, and 100 meters long rail are mainly processed 500 meters long rail by these producers through welding technology.
At present; The apolegamy workshop of rail welding plant is when advancing the rail operation; Need to detect the parameters such as tread width, web of the rail thickness, flange of rail width, rail height, tread flatness, trackside acting surface flatness, torsion resistance and symmetry at rail both ends; When particularly the flatness at both ends and torsion resistance transfinite, need carry out the straightening operation.After the straightening operation, rail gets into joins rail platform rail to be joined.Joining rail is exactly the order that adjustment gets into the welding machine rail; The difference of the end cross dimensions of the feasible two rails that welds together is minimum; The consistance of the outward appearance physical dimension of soldering tip after can guaranteeing like this to weld guarantees that the parameters such as flatness degree of soldering tip satisfy welding requirements.
And traditional rail pick-up unit still is that the portable rail flatness detects ruler etc. like slide calliper rule, guiding ruler, the automatic flatness detection ruler of rack rail, has following defective:
1, in testing process, need rail be stopped, efficiency of measurement is low;
2, one-shot measurement can only detect a certain index of rail;
3, adopt contact type measurement, rail stop the back with air pressure or hydraulic means with the rail clamping and positioning;
4, the artificial completion, the testing result human factor is big;
5, traditional operating type be rail after the straightening operation is accomplished, directly get into subsequent processing, the rail geometric parameter after the straightening is not preserved as raw file, thereby during the rail quality defects after causing welding, the confirmation of responsibility difficulty.
For overcoming these defectives; Solve the problem that exists in the manually-operated through introducing intellectuality and robotization in the prior art; Like the steel rail smoothness intelligent detection system and the detection method (patent No.: 200910046927) thereof; It discloses a kind of automatic steel rail smoothness intelligent detection system that detects on the gapless rail continuous welding production line of realizing, comprises data acquisition unit, computing machine, PLC controller, display, printer and pneumatic unit; The flatness that this system and method is mainly used in soldering tip position after the rail welding detects; (patent No.: 200920068328), it discloses a kind of steel rail smoothness intelligent pick-up unit, comprises pick-up unit body and continuous reciprocating mechanism in pick-up unit body upper end with the steel rail smoothness intelligent pick-up unit.This steel rail smoothness intelligent pick-up unit can be realized the automatic detection on the gapless rail welding production line; The flatness that this device is mainly used in soldering tip position after the rail welding detects.
But these apparatus functions are single, measure not comprehensively, and measuring accuracy is relatively poor, can't realize that comprehensive integral body of rail is accurately measured.
For this reason, the deviser of the utility model is because above-mentioned defective through concentrating on studies and designing, comprehensively is engaged in for a long time the experience and the achievement of related industry for many years, and research and design goes out a kind of rail self-operated measuring unit, to overcome above-mentioned defective.
Summary of the invention
The purpose of the utility model is to provide a kind of rail self-operated measuring unit, and it is simple in structure, and is easy to operate; After measuring section physical dimension, flatness, torsion resistance and the symmetry etc. of rail before welding that railway welds the base of the rail ground parameter is provided; Instruct straightening technology on the one hand, realize on the other hand joining rail automatically, for the rail welding quality provides safeguard; This measurement device efficient and precision are high; Improve rail quality and measuring speed, and set up database, guaranteed follow-up use and confirmation of responsibility.
For realizing above-mentioned purpose; The utility model discloses a kind of rail self-operated measuring unit; This measurement mechanism comprises control system, base 1, measures truss 2, external position device 5 and interior locating device 6, and wherein base 1 is a tabular, and the measurement truss 2 of square box shape is fixed on the base 1; Two external position devices 5 are arranged at the both sides of base 1 respectively and are positioned at the outside of measuring truss 2, and two interior locating devices 6 are arranged at the middle part of base 1; It is characterized in that:
End opening place measuring truss 2 is provided with eight laser sensors; These eight laser sensors comprise the first sensor 1-1 and the second sensor 1-2, the 3rd sensor 2-1 that measures web of the rail width and four-sensor 2-2, the 5th sensor 3-1 that measures flange of rail width and the 6th sensor 3-2 that measure the rail head width, measure high the 7th sensor 4-1 and the 8th sensor 4-2 of rail; The first sensor 1-1 and the second sensor 1-2 lay respectively at the rail head both sides of rail 3; The 3rd sensor 2-1 and four-sensor 2-2 lay respectively at the web of the rail both sides of rail 3; The 5th sensor 3-1 and the 6th sensor 3-2 lay respectively at the flange of rail both sides of rail 3; The 7th sensor 4-1 is corresponding to the top of rail 3, and the 8th sensor 4-2 is corresponding to the bottom of rail 3.
Wherein: measuring first sensor 1-1, the 9th sensor 1-3 and the tenth sensor 1-4 that is provided with measurement rail side flatness on the truss 2 and the 7th sensor 4-1, the 11 sensor 4-3 and the 12 sensor 4-4 that measures the rail surface flatness; Wherein, Measure rail side flatness with measure the rail head width shared first sensor, measure the rail surface flatness and measure high shared the 7th sensor of rail; First sensor 1-1, the 9th sensor 1-3 and the tenth sensor 1-4 are parallel to rail 3 and corresponding to the side of rail 3; The 7th sensor 4-1, the 11 sensor 4-3 and the 12 sensor 4-4 are parallel to rail 3 and corresponding to the top of rail 3.
Wherein: 2 meters of first sensor 1-1 and the tenth sensor 1-4 distances; The 9th sensor 1-3 is positioned at the centre position of first sensor 1-1 and the tenth sensor 1-4; 2 meters of the 7th sensor 4-1 and the 12 sensor 4-4 distances, the 11 sensor 4-3 is positioned at the centre position of the 7th sensor 4-1 and the 12 sensor 4-4.
Wherein: the 13 sensor 5-1 and the tenth four-sensor 5-2 have been installed in the left side of rail, and the distance between it is 2 meters; Symmetric position is installed the 15 sensor 5-3 and the 16 sensor 5-4 on the right side of rail, and the distance between it is 2 meters.
Wherein: the middle part measuring truss 2 is provided with photoelectric encoder 4.
Wherein: the control system of measurement mechanism comprises multisensor integrated manipulator 11, industrial computer 12, data presentation device 18, data storage device 19 and external server 20; Multisensor integrated manipulator 11 is connected with above-mentioned the first to the 16 sensor; Above-mentioned photoelectric encoder 4 is integrated optoelectronic switch 41 and rotary encoder 42; Multisensor integrated manipulator 11 is connected with rotary encoder 42 with optoelectronic switch 41; Be respectively equipped with 16 passage A/D cards 13, usb 14, VGA interface 15, SATA interface 16 and EarthNet interface 17 on the industrial computer 12; Multisensor integrated manipulator 11 is connected with usb 14 with 16 passage A/D cards 13; Industrial computer 12 is connected with data presentation device 18 through VGA interface 15, through SATA interface 16 be connected according to memory storage 19, be connected with external server 20 through EarthNet interface 17.
Through said structure, the utility model can be realized following technique effect:
1, the cross dimensions of the whole rail of complete detection, flatness and torsion resistance; Be not limited to the both ends of rail, find the quality problems of new rail, in time reject or adjust; Avoid defective rail to get into next process, further improve the quality of welding back finished product rail;
2, the detecting pattern of robotization greatly reduces artificial measuring error, can guarantee to get into the rail quality of next process;
3, reduce operating personnel's labour intensity, improve operating environment;
4, can be in rail motion or stationary state, can accomplish the measurement of rail physical dimension parameter;
5, all parameters such as tread width, web of the rail thickness, flange of rail width, rail height, tread flatness, trackside acting surface flatness, torsion resistance and symmetry that can the synchro measure rail;
6, adopted non-contact measurement, do not needed clamping and positioning, efficiency of measurement is high.
7, deposit all detection data in the detection computations machine automatically, set up rail geometric parameter database and video database, for from now on rail quality accident responsibility identification provides the most original data.
The detailed content of the utility model can through after explanation and the institute's accompanying drawing stated obtain.
Description of drawings
Fig. 1 has shown the synoptic diagram of the measurement mechanism of the utility model.
Fig. 2 has shown the front elevation of measuring truss.
Fig. 3 has shown the side view of measuring truss.
Fig. 4 has shown the synoptic diagram of 8 laser range sensor measurement rail profiles.
Fig. 5 has shown the instrumentation plan of rail flatness.
Fig. 6 has shown the instrumentation plan of rail side acting surface flatness.
Fig. 7 has shown device for carrying a tripot survey method principle schematic.
Fig. 8 has shown the instrumentation plan of rail torsion resistance.
Fig. 9 has shown the side instrumentation plan of rail torsion resistance.
Figure 10 has shown the principle schematic of coplanar method measurement torsion resistance.
Figure 11 has shown the control system structural drawing of the utility model.
Embodiment
Referring to Fig. 1; The rail self-operated measuring unit that has shown the utility model; The agent structure of this measurement mechanism comprises control system, base 1, measures truss 2, external position device 5 and interior locating device 6; Wherein base 1 is a tabular, and the measurement truss 2 of square box shape is fixed on the base 1, and two external position devices 5 are arranged at the both sides of base 1 respectively and are positioned at the outside of measuring truss 2; Two interior locating devices 6 are arranged at the middle part of base 1, and external position device 5 positions with 6 pairs of rail to be measured 3 of interior locating device; Preferably, be provided with photoelectric encoder 4 at the middle part of measuring truss 2.
Referring to Fig. 2 and Fig. 3, specifically shown the concrete setting of measuring laser sensor in the truss, for rail profile is comprehensively measured, need to measure the width of rail's end portion, the thickness of rail waist, width, rail height and the symmetry of rail foot; Thus; End opening place measuring truss 2 is provided with eight laser sensors; Comprise the first sensor 1-1 and the second sensor 1-2, the 3rd sensor 2-1 that measures web of the rail width and four-sensor 2-2, the 5th sensor 3-1 that measures flange of rail width and the 6th sensor 3-2 that measure the rail head width, measure high the 7th sensor 4-1 and the 8th sensor 4-2 of rail; The symmetry of rail then has first sensor 1-1, the second sensor 1-2, the 5th sensor 3-1 and the 6th sensor 3-2 to realize jointly; Wherein, Lay respectively at the rail head both sides of rail 3 referring to Fig. 3 and Fig. 4 first sensor 1-1 and the second sensor 1-2, the 3rd sensor 2-1 and four-sensor 2-2 lay respectively at the web of the rail both sides of rail 3, and the 5th sensor 3-1 and the 6th sensor 3-2 lay respectively at the flange of rail both sides of rail 3; The 7th sensor 4-1 is corresponding to the top of rail 3, and the 8th sensor 4-2 is corresponding to the bottom of rail 3.
Simultaneously, referring to Fig. 2,5-6, in order to measure the flatness of rail, this flatness comprises two parameters, and one is the flatness of rail surface, and it is meant the smooth-going degree of rail surface; One is the flatness of rail side, and it is meant the smooth-going degree of rail side; In order to measure this two parameters; Three laser sensors have been adopted respectively; Measuring first sensor 1-1, the 9th sensor 1-3 and the tenth sensor 1-4 that is provided with measurement rail side flatness on the truss 2 and the 7th sensor 4-1, the 11 sensor 4-3 and the 12 sensor 4-4 that measures the rail surface flatness; Wherein, measure rail side flatness with measure the rail head width shared first sensor, measure the rail surface flatness and measure high shared the 7th sensor of rail; First sensor 1-1, the 9th sensor 1-3 and the tenth sensor 1-4 are parallel to rail 3 and corresponding to the side of rail 3; 2 meters of first sensor 1-1 and the tenth sensor 1-4 distances, the 9th sensor 1-3 is positioned at the centre position of first sensor 1-1 and the tenth sensor 1-4; The 7th sensor 4-1, the 11 sensor 4-3 and the 12 sensor 4-4 are parallel to rail 3 and corresponding to the top of rail 3; 2 meters of the 7th sensor 4-1 and the 12 sensor 4-4 distances; The 11 sensor 4-3 is positioned at the centre position of the 7th sensor 4-1 and the 12 sensor 4-4, and they have utilized device for carrying a tripot to survey method, and are as shown in Figure 7; Shown this device for carrying a tripot survey ratio juris; Its measurement point through the measurement of discharge centre position connects the distance between the straight line to the two ends measurement point, can know from figure, and the flatness of this rail both had been the distance of intermediate point P2 to some M.
Referring to Fig. 8-9, in order to measure the torsion resistance of rail, adopted 4 laser sensors to measure, wherein, the 13 sensor 5-1 and the tenth four-sensor 5-2 have been installed in the left side of rail, the distance between it is 2 meters; Symmetric position is installed the 15 sensor 5-3 and the 16 sensor 5-4 on the right side of rail, and the distance between it is 2 meters; Four laser sensors through the rail both sides utilize the coplanar method principle to calculate the torsion resistance of rail; Referring to Figure 10, obtain the measurement data of these four points, the distortion value of rail is the value of a P4 to M.
Referring to Figure 11; The control system that has shown the measurement mechanism of the utility model; This control system comprises multisensor integrated manipulator 11, industrial computer 12, data presentation device 18, data storage device 19 and external server 20, and multisensor integrated manipulator 11 is connected with above-mentioned the first to the 16 sensor, above-mentioned photoelectric encoder 4 is integrated optoelectronic switch 41 and rotary encoder 42; It provides rail signal that gets into and the distance that moves; Multisensor integrated manipulator 11 is connected with rotary encoder 42 with optoelectronic switch 41, is respectively equipped with 16 passage A/D cards 13, usb 14, VGA interface 15, SATA interface 16 and EarthNet interface 17 on the industrial computer 12, and multisensor integrated manipulator 11 is connected with usb 14 with 16 passage A/D cards 13; Industrial computer 12 is connected with data presentation device 18 through VGA interface 15; Through SATA interface 16 be connected according to memory storage 19, be connected with external server 20 through EarthNet interface 17, preferably; Data presentation device 18 can be nixie display, LCD etc.; The scene is shown measured value, warning and data and curves, and data storage device 19 can be outside hard disk or server, and it stores information needed such as measured value, alert data; External server 20 sections of can be or office's server, this EarthNet interface in time reports measurement data through ICP/IP protocol and computer network.
Thus, the utility model adopts dynamic measuring tech, also can measure in real time in dynamic movement process even guarantee the rail apparent size; Original rail is measured and all under the rail quiescent conditions, is carried out, and after promptly rail stops, measures after adopting air pressure or hydraulic means with the rail clamping and positioning again.Native system adopts the non-contact laser distance measuring sensor, adopts rail self-adaptation location technology simultaneously, lets rail in all very little scope of a height and width, swing, and need not stop, thereby guarantee the terseness and the high efficiency of rail measurement; And, adopt the detecting pattern of non-contact automaticization, greatly reduce artificial measuring error, can guarantee to get into the quality of the rail of next process.Reduce operating personnel's labour intensity, improve operating environment; Its all detection data deposit the detection computations machine automatically in, set up rail geometric parameter database, for from now on rail quality accident responsibility identification provides the most original data.
The advantage of the utility model is following:
1, solved the integrated and simultaneous techniques of multisensor that the rail physical dimension is measured.System integrates optoelectronic switch sensor and photoelectric encoder; Through electron devices such as PLD (CPLD) and microprocessors; Produce measuring control signal, control 16 road laser range sensor synchronous workings, provide the position at outputting measurement value place simultaneously.
A dynamic rail self-adaptation location difficult problem when 2, having captured the rail operation.Adopted based on the online locating device of the rail of preloading spring mechanism; Make rail in dynamic running process; Rail is swung in width and the scope of height both direction at ± 2mm; The stability of this measurement mechanism time space position and attitude be can guarantee dynamically to pass through, measuring reliability and precision improved at rail.
3, real time data acquisition in the rail kinetic measurement, demonstration and a storage difficult problem have been captured.Because rail is measured in motion process; Require simultaneously to gather in real time, show and the storage data; Thereby its data processing amount is very big, and native system has adopted the multi-core CPU multithreading to carry out real-time collection, demonstration and the storage of data, thereby has guaranteed the validity and the real-time of native system.
It is obvious that, and above description and record only are to give an example rather than disclosure, application or use in order to limit the utility model.Though described and be described in the drawings embodiment in an embodiment; But the optimal mode that the utility model does not limit by the accompanying drawing example and the conduct of describing is in an embodiment thought at present is with the specific examples of the instruction of implementing the utility model, and the scope of the utility model will comprise any embodiment of the instructions that falls into the front and appended claim.
Claims (6)
1. rail self-operated measuring unit; This measurement mechanism comprises control system, base (1), measures truss (2), external position device (5) and interior locating device (6); Wherein base (1) is a tabular; The measurement truss (2) of square box shape is fixed on the base (1), and two external position devices (5) are arranged at the both sides of base (1) respectively and are positioned at the outside of measuring truss (2), and two interior locating devices (6) are arranged at the middle part of base (1); It is characterized in that:
End opening place measuring truss (2) is provided with eight laser sensors; These eight laser sensors comprise the 5th sensor (3-1) and the 6th sensor (3-2), high the 7th sensor (4-1) and the 8th sensor (4-2) of measurement rail of the first sensor (1-1) of measuring the rail head width and second sensor (1-2), the 3rd sensor (2-1) of measuring web of the rail width and four-sensor (2-2), measurement flange of rail width; First sensor (1-1) and second sensor (1-2) lay respectively at the rail head both sides of rail (3); The 3rd sensor (2-1) and four-sensor (2-2) lay respectively at the web of the rail both sides of rail (3); The 5th sensor (3-1) and the 6th sensor (3-2) lay respectively at the flange of rail both sides of rail (3); The 7th sensor (4-1) is corresponding to the top of rail (3), and the 8th sensor (4-2) is corresponding to the bottom of rail (3).
2. rail self-operated measuring unit as claimed in claim 1; It is characterized in that: measuring first sensor (1-1), the 9th sensor (1-3) and the tenth sensor (1-4) that is provided with measurement rail side flatness on the truss (2) and the 7th sensor (4-1), the 11 sensor (4-3) and the 12 sensor (4-4) of measuring the rail surface flatness; Wherein, Measure rail side flatness with measure the rail head width shared first sensor, measure the rail surface flatness and measure high shared the 7th sensor of rail; First sensor (1-1), the 9th sensor (1-3) and the tenth sensor (1-4) are parallel to rail (3) and corresponding to the side of rail (3); The 7th sensor (4-1), the 11 sensor (4-3) and the 12 sensor (4-4) are parallel to rail (3) and corresponding to the top of rail (3).
3. rail self-operated measuring unit as claimed in claim 2; It is characterized in that: 2 meters of first sensor (1-1) and the tenth sensor (1-4) distances; The 9th sensor (1-3) is positioned at the centre position of first sensor (1-1) and the tenth sensor (1-4); 2 meters of the 7th sensor (4-1) and the 12 sensor (4-4) distances, the 11 sensor (4-3) is positioned at the centre position of the 7th sensor (4-1) and the 12 sensor (4-4).
4. rail self-operated measuring unit as claimed in claim 2 is characterized in that: the 13 sensor (5-1) and the tenth four-sensor (5-2) have been installed in the left side of rail, and the distance between it is 2 meters; Symmetric position is installed the 15 sensor (5-3) and the 16 sensor (5-4) on the right side of rail, and the distance between it is 2 meters.
5. like claim 1,2,3 or 4 described rail self-operated measuring units, it is characterized in that: the middle part measuring truss (2) is provided with photoelectric encoder (4).
6. rail self-operated measuring unit as claimed in claim 5; It is characterized in that: the control system of measurement mechanism comprises multisensor integrated manipulator (11), industrial computer (12), data presentation device (18), data storage device (19) and external server (20); Multisensor integrated manipulator (11) is connected with above-mentioned the first to the 16 sensor; Above-mentioned photoelectric encoder (4) is integrated optoelectronic switch (41) and rotary encoder (42); Multisensor integrated manipulator (11) is connected with rotary encoder (42) with optoelectronic switch (41); Be respectively equipped with 16 passage A/D cards (13), USB interface (14), VGA interface (15), SATA interface (16) and EarthNet interface (17) on the industrial computer (12); Multisensor integrated manipulator (11) is connected with USB interface (14) with 16 passage A/D cards (13); Industrial computer (12) is connected with data presentation device (18) through VGA interface (15), through SATA interface (16) be connected according to memory storage (19), be connected with external server (20) through EarthNet interface (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202982529U CN202195800U (en) | 2011-08-17 | 2011-08-17 | Automatic measuring device for steel rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202982529U CN202195800U (en) | 2011-08-17 | 2011-08-17 | Automatic measuring device for steel rail |
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| CN202195800U true CN202195800U (en) | 2012-04-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011202982529U Expired - Lifetime CN202195800U (en) | 2011-08-17 | 2011-08-17 | Automatic measuring device for steel rail |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759695A (en) * | 2013-12-27 | 2014-04-30 | 中国铁道科学研究院金属及化学研究所 | Detecting device and method for automatically measuring outline of steel rail |
| CN104897052A (en) * | 2014-03-03 | 2015-09-09 | 武汉汉宁科技有限公司 | Method for measuring steel rail appearance geometric dimension and surface quality and device thereof |
| CN106320113A (en) * | 2016-08-22 | 2017-01-11 | 合肥德泰科通测控技术有限公司 | Railway field detection device |
| 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 |
| CN108106565A (en) * | 2017-12-18 | 2018-06-01 | 南京先进激光技术研究院 | A kind of steel rail straightness and torsion resistance detection device and method |
| CN117968618A (en) * | 2024-03-29 | 2024-05-03 | 包钢集团节能环保科技产业有限责任公司 | Steel rail flatness detection device |
-
2011
- 2011-08-17 CN CN2011202982529U patent/CN202195800U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759695A (en) * | 2013-12-27 | 2014-04-30 | 中国铁道科学研究院金属及化学研究所 | Detecting device and method for automatically measuring outline of steel rail |
| CN104897052A (en) * | 2014-03-03 | 2015-09-09 | 武汉汉宁科技有限公司 | Method for measuring steel rail appearance geometric dimension and surface quality and device thereof |
| 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 |
| CN106320113A (en) * | 2016-08-22 | 2017-01-11 | 合肥德泰科通测控技术有限公司 | Railway field detection device |
| 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 |
| CN108106565A (en) * | 2017-12-18 | 2018-06-01 | 南京先进激光技术研究院 | A kind of steel rail straightness and torsion resistance detection device and method |
| CN117968618A (en) * | 2024-03-29 | 2024-05-03 | 包钢集团节能环保科技产业有限责任公司 | Steel rail flatness detection device |
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| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 430000 Hubei city of Wuhan province East Lake Development Zone, University road to geospatial information industry base in southern countries five - Wu Dahui Park No. 1 building 7 floor No. 6 Patentee after: A Wuhan Rail Traffic Technology Co Ltd Address before: 430079, No. 428 hung Chu street, Hubei, Wuhan Patentee before: Wuhan Hanning Technology Co., Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20120418 |
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| CX01 | Expiry of patent term |