CN114460174A - Steel rail detection system and application - Google Patents
Steel rail detection system and application Download PDFInfo
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- CN114460174A CN114460174A CN202210119180.XA CN202210119180A CN114460174A CN 114460174 A CN114460174 A CN 114460174A CN 202210119180 A CN202210119180 A CN 202210119180A CN 114460174 A CN114460174 A CN 114460174A
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- detection
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- detection system
- rail
- steel rail
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/26—Arrangements for orientation or scanning by relative movement of the head and the sensor
- G01N29/262—Arrangements for orientation or scanning by relative movement of the head and the sensor by electronic orientation or focusing, e.g. with phased arrays
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/28—Details, e.g. general constructional or apparatus details providing acoustic coupling, e.g. water
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/023—Solids
- G01N2291/0234—Metals, e.g. steel
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/0289—Internal structure, e.g. defects, grain size, texture
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/26—Scanned objects
- G01N2291/269—Various geometry objects
Abstract
The invention relates to G01N21, in particular to a steel rail detection system and application. The steel rail detection system comprises a workbench, and the workbench comprises a cleaning module, a detection probe module, an acquisition module, an electric drive module, an intelligent braking module and an auxiliary module. By the synergistic effect of the whole system, the detection efficiency and the problem detection rate are improved, the scanning range during flaw detection is expanded, and the problems that the detection difficulty of the traditional conventional ultrasonic flaw detection on the steel rail top and the steel rail waist is high and the detection is easy to miss are solved; the detection of the external defects of the steel rail is realized, the detection of the internal defects of the steel rail can also be realized, and the problem of missing detection of the internal defects of the traditional eddy current detection technology is avoided.
Description
Technical Field
The invention relates to G01N21, in particular to a steel rail detection system and application.
Background
With the high-speed development of Chinese economic construction, the population is more concentrated by the modernized high-speed operation capability and the urban construction, and the pressure of high-speed rail transportation and urban traffic is rapidly increased, so that the construction of rail transportation facilities is actively carried out in China, and at present, a high-speed rail, subway and urban rail transportation network which accounts for hundreds of thousands of kilometers is constructed. The high-speed rail and urban rail transit has dense operation and large population density, and the safety of the high-speed rail and urban rail transit needs to be paid particular attention, so that the safety detection of rail transit facilities is particularly necessary.
The time for carrying out safety detection on the track is usually arranged after the track is shut down, which means that the detection working time is short, the workload is large, the timeliness is required for information acquisition and analysis, and the improvement and research of an intelligent auxiliary detection system are urgent.
Patent No. CN102818848B provides a rail ultrasonic online detection system and a control method thereof, which not only realizes flaw detection on a rail tread, but also realizes detection on a rail head tread, left and right rail heads, a rail bottom and a rail web by installing a plurality of landing gears. Patent number CN104359444B provides a rail profile detection method and a detection system, which obtains the current rail profile data to be detected and a measurement and analysis report through three-dimensional scanning, and has the advantages of simple and convenient operation, high accuracy of the obtained data, and comprehensive report content.
Disclosure of Invention
In order to solve the above problems, a first aspect of the present invention provides a steel rail detection system, which includes a workbench, and the workbench includes a cleaning module, a detection probe module, an acquisition module, an electric drive module, an intelligent brake module, and an auxiliary module.
Preferably, the working environment temperature of the workbench control steel rail detection system is-30-45 ℃, and the environment humidity is 90%. By controlling the temperature and the humidity of the working environment, the steel rail detection system can not only bear the invasion of natural environments such as wind, sand, rain and snow, but also meet the requirements of day and night operation.
As a preferable technical solution of the present invention, the cleaning module is configured to clean dust on a surface of the rail and keep the surface of the rail detection clean. The cleaning module is provided with automatic rotation and lifting functions.
The rail surface comprises a rail top, a rail waist and a rail bottom.
As a preferred technical solution of the present invention, the detection probe module is used for performing flaw detection on a rail.
The detection probe module comprises a phased array probe, a coupling agent device and an encoder.
During flaw detection, the phased array probe and the surface of the rail are scanned in a contact mode.
When flaw detection is carried out, air between the probe and the surface of the track influences the accuracy and efficiency of detection. The applicant fills a small gap between a probe and the surface of a steel rail by a coupling agent device and is processed by an encoder, and the automatic adjustment lifting and separating function is set, the coupling agent device falls during detection and rises and separates during non-detection, so that the negative influence on detection is avoided, and the acoustic impedance difference between the probe and the surface of the steel rail is reduced, thereby reducing the interface energy loss.
As a preferred technical solution of the present invention, the acquisition module is configured to collect and store information during the detection and flaw detection of the detection probe.
The information includes the position and depth of the rail defect and the phased array information signal acquisition time. The rail defects include cracks and wear.
As a preferred technical solution of the present invention, the electric drive module is configured to provide a power source for a rail detection system, and intelligently control speed and direction.
The speed comprises a detection speed and a running speed, wherein the detection speed is more than or equal to 20km/h, and the running speed is more than or equal to 40 km/h; the direction is forward driving or reverse driving.
The phased array information signal acquisition time and the detection speed and the running speed are intelligently adjusted, and the running speed is automatically improved during non-flaw detection.
Preferably, the electric drive module comprises wheels, and the wheels adopt magnetic induction technology, so that the driving fault problem of the electric drive module can be automatically diagnosed and eliminated.
As a preferable technical scheme, the intelligent brake module is used for alarming and stopping driving when a defect of a steel rail is found in the flaw detection process, and technicians mark and recheck the defect.
As a preferred technical solution of the present invention, the auxiliary module is used for performing intelligent auxiliary cooperation control on the steel rail detection system.
As a preferred technical solution of the present invention, the auxiliary module includes a power supply unit, a signal light unit, a wind shielding unit, and an analysis unit.
As a preferred technical scheme of the invention, the power supply unit comprises a battery management group which is used for carrying out power supply protection of overcurrent, overvoltage, undervoltage and short circuit on the steel rail detection system.
The power supply unit enables the continuous detection running distance to be more than or equal to 100km or the continuous detection running time to be more than or equal to 4h when the steel rail detection system carries out flaw detection.
Preferably, the signal lamp unit not only provides the illumination signal for detecting at night, but also carries out light warning to peripheral personnel when the steel rail detection system detects a flaw, thereby ensuring the safety of the peripheral personnel.
And the wind shielding unit is used for protecting the steel rail detection system during operation in rainy days.
And the analysis unit is used for uploading the detected data of the steel rail defects and the operation information to the background computer in time, so that the information can be transmitted in time. The operation information comprises operator units, operator names, operation time, operation rail line names and driving mileage.
The working principle is as follows: when carrying out the detection of detecting a flaw of rail, workstation control system's operational environment temperature and ambient humidity clean the dust of module to the track surface and clean, keep track detection surface clean, improve the accuracy that detects a flaw, clean the back, the test probe module detects a flaw to the track, and collection module collects and stores the test probe and detects the information when detecting a flaw simultaneously. In the working process of the system, the electric drive module provides a power source for the steel rail detection system, the speed and the direction are intelligently controlled, and the auxiliary module performs intelligent auxiliary matching control on the steel rail detection system. In addition, when a steel rail defect is found in the flaw detection process, the intelligent braking module enables the system to give an alarm and stop running, and technicians mark and recheck the defect.
The invention provides an application of a steel rail detection system in the field of rail transit.
Compared with the prior art, the invention has the following beneficial effects:
(1) the phased array technology is combined with the cleaning module, so that the timeliness, convenience and stability of steel rail detection are improved.
(2) Through the synergistic effect of the whole system, the detection efficiency and the problem detection rate are improved, the scanning range during flaw detection is enlarged, and the problems that the traditional conventional ultrasonic flaw detection has high detection difficulty and is easy to leak and detect at the steel rail top and the steel rail waist are solved.
(3) The whole system has the synergistic effect, not only realizes the detection of the external defects of the steel rail, but also can realize the detection of the internal defects of the steel rail, and avoids the problem of missing detection of the internal defects of the traditional eddy current detection technology.
(4) Through the cooperation use of phased array probe, couplant device and encoder, realized phased array detection technology and automatic, intelligent detection technology's combination, both improved work efficiency, reduced intensity of labour, also satisfied the detection stability of during operation.
(5) Through the cooperation of the intelligent braking module and the acquisition module, the reality and the reliability of data in the steel rail flaw detection process are ensured, and a steel rail detection system is easy to control.
Drawings
Fig. 1 is a flowchart of a rail detection system according to embodiment 1.
Detailed Description
Examples
The embodiment provides a steel rail detection system, and as shown in fig. 1, the steel rail detection system comprises a workbench, wherein the workbench comprises a cleaning module, a detection probe module, an acquisition module, an electric drive module, an intelligent braking module and an auxiliary module.
The working environment temperature of the workbench control steel rail detection system is 25 ℃, and the environment humidity is 90%.
And the sweeping module is used for sweeping dust on the surface of the track and keeping the detection surface of the track clean. The cleaning module is provided with automatic rotation and lifting functions.
The rail surface comprises a rail top, a rail waist and a rail bottom.
And the detection probe module is used for carrying out flaw detection on the track.
The detection probe module comprises a phased array probe, a coupling agent device and an encoder.
During flaw detection, the phased array probe and the surface of the track are scanned in a contact mode.
The acquisition module is used for collecting and storing information when the detection probe detects and detects flaws.
The information includes the position and depth of the rail defect and the phased array information signal acquisition time. The rail defects include cracks and wear.
And the electric drive module is used for providing a power source for the steel rail detection system and intelligently controlling the speed and the direction.
The speed comprises a detection speed and a running speed, wherein the detection speed is 25km/h, and the running speed is 45 km/h; the direction is forward driving.
The phased array information signal acquisition time and the detection speed and the running speed are intelligently adjusted, and the running speed is automatically improved during non-flaw detection.
The electric drive module comprises wheels, and the wheels adopt magnetic induction technology, so that the driving fault problem of the electric drive module can be automatically diagnosed and eliminated.
The intelligent brake module is used for alarming and stopping driving when a defect of a steel rail is found in the flaw detection process, and technicians mark and recheck the defect.
And the auxiliary module is used for carrying out intelligent auxiliary coordination control on the steel rail detection system.
The auxiliary module comprises a power supply unit, a signal lamp unit, a wind shielding unit and an analysis unit.
The power supply unit comprises a battery management group and is used for carrying out power supply protection of overcurrent, overvoltage, undervoltage and short circuit on the steel rail detection system.
And the power supply unit enables the steel rail detection system to continuously detect the running distance of 120km when flaw detection is carried out.
The signal lamp unit not only provides illumination signal for night detection, but also carries out light warning on peripheral personnel when the steel rail detection system detects a flaw, thereby ensuring the safety of the peripheral personnel.
And the wind shielding unit is used for protecting the steel rail detection system during operation in rainy days.
And the analysis unit is used for uploading the detected data of the steel rail defects and the operation information to the background computer in time, so that the information can be transmitted in time. The operation information comprises operator units, operator names, operation time, operation rail line names and driving mileage.
Claims (10)
1. The steel rail detection system is characterized by comprising a workbench, wherein the workbench comprises a cleaning module, a detection probe module, an acquisition module, an electric drive module, an intelligent braking module and an auxiliary module.
2. The rail detection system of claim 1, wherein the sweeping module is configured to sweep dust from the surface of the rail to keep the surface of the rail detection clean.
3. The steel rail detection system of claim 1, wherein the detection probe module is configured to perform flaw detection on a rail.
4. The steel rail detection system of claim 1, wherein the collection module is configured to collect and store information of the detection probes during flaw detection.
5. The rail detection system of claim 1, wherein the electric drive module is configured to provide power to the rail detection system and to intelligently control speed and direction.
6. The steel rail detection system of claim 1, wherein the intelligent brake module is configured to alarm and stop driving when a steel rail defect is found in a flaw detection process, and a technician marks the defect for rechecking.
7. The steel rail detection system of claim 1, wherein the auxiliary module is configured to perform intelligent auxiliary cooperation control on the steel rail detection system.
8. A rail detection system according to any one of claims 1 to 7 wherein the auxiliary modules include a power supply unit, a signal light unit, a wind screen unit and an analysis unit.
9. The rail detection system of claim 8, wherein the power unit includes a battery management pack.
10. Use of a rail detection system according to claim 1 in the field of rail transit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210119180.XA CN114460174A (en) | 2022-02-08 | 2022-02-08 | Steel rail detection system and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210119180.XA CN114460174A (en) | 2022-02-08 | 2022-02-08 | Steel rail detection system and application |
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| Publication Number | Publication Date |
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| CN114460174A true CN114460174A (en) | 2022-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210119180.XA Pending CN114460174A (en) | 2022-02-08 | 2022-02-08 | Steel rail detection system and application |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102230915A (en) * | 2011-04-07 | 2011-11-02 | 华南理工大学 | Device and method for flaw detection of small crawler-type rails based on three-way ultrasonic diffraction |
| CN107271559A (en) * | 2017-08-03 | 2017-10-20 | 南通友联数码技术开发有限公司 | A kind of master-slave structure steel rail welding line ultrasonic testing system |
| CN108195938A (en) * | 2017-12-30 | 2018-06-22 | 浙江省送变电工程有限公司 | A kind of pipeline weld joint automatized detection device and its method of work |
| CN212228765U (en) * | 2020-01-14 | 2020-12-25 | 杭州谱诚泰迪实业有限公司 | Cold-state heavy rail surface defect detection system for deep learning |
| CN113984905A (en) * | 2021-11-09 | 2022-01-28 | 郑州铁路职业技术学院 | Steel rail flaw detection device |
-
2022
- 2022-02-08 CN CN202210119180.XA patent/CN114460174A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102230915A (en) * | 2011-04-07 | 2011-11-02 | 华南理工大学 | Device and method for flaw detection of small crawler-type rails based on three-way ultrasonic diffraction |
| CN107271559A (en) * | 2017-08-03 | 2017-10-20 | 南通友联数码技术开发有限公司 | A kind of master-slave structure steel rail welding line ultrasonic testing system |
| CN108195938A (en) * | 2017-12-30 | 2018-06-22 | 浙江省送变电工程有限公司 | A kind of pipeline weld joint automatized detection device and its method of work |
| CN212228765U (en) * | 2020-01-14 | 2020-12-25 | 杭州谱诚泰迪实业有限公司 | Cold-state heavy rail surface defect detection system for deep learning |
| CN113984905A (en) * | 2021-11-09 | 2022-01-28 | 郑州铁路职业技术学院 | Steel rail flaw detection device |
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