CN211710846U - Intelligent detection system for crack opening state of CRTS II type ballastless track slab - Google Patents
Intelligent detection system for crack opening state of CRTS II type ballastless track slab Download PDFInfo
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- CN211710846U CN211710846U CN201922321934.6U CN201922321934U CN211710846U CN 211710846 U CN211710846 U CN 211710846U CN 201922321934 U CN201922321934 U CN 201922321934U CN 211710846 U CN211710846 U CN 211710846U
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Abstract
The utility model relates to a track detects technical field, especially relates to a CRTS II type ballastless track board open joint state intellectual detection system, its characterized in that: the system comprises a high-definition image acquisition device, a data control device, a data analysis device and a vehicle-mounted platform device, wherein the vehicle-mounted platform device is a device capable of walking along a steel rail, the high-definition image acquisition device is symmetrically arranged on the left side and the right side of the vehicle-mounted platform device, the data control device and the high-definition image acquisition device form data connection interaction, and the data control device and the data analysis device form data connection interaction. The utility model has the advantages that: the traditional manual on-road inspection mode can be replaced, and the problems of the conventional manual on-road inspection mode are solved; the rail plate gap inspection work is completed in the process of the operation of the flaw detection vehicle, the operation skylight is shared, the inspection efficiency of the CRTS II type ballastless rail plate is improved, the inspection cost is saved, and the transportation safety of the high-speed rail is guaranteed.
Description
Technical Field
The utility model relates to a track detects technical field, especially relates to a CRTS II type ballastless track board open joint state intellectual detection system.
Background
In recent years, after continuous high temperature in summer, the phenomena of upwarp, seam separation and seam breakage of track slabs occur successively on a plurality of high-speed rails paved with CRTS II type slab tracks. The road bureau organizes units such as equipment management, construction, supervision and the like to carry out multi-round investigation, and comprehensively checks whether the external dimensions of the wide joint and the narrow joint are smaller than the standard dimension (the design width of the wide joint is 210mm, and the design width of the narrow joint is 50 mm); whether the surface of the wide joint has the phenomena of block falling and peeling; whether the wide joint and the track slab have a seam separation condition or not; whether the narrow joint has the phenomena of cavities and falling blocks or not; whether the rail plate surface, the rail bearing platform, the prestressed tendon and other positions have the conditions of block falling, peeling, cracks and the like.
And organizing the circuit for comprehensive manual investigation every two days under the condition of continuous high-temperature weather in summer as required, wherein each group contains no less than 4 people, and each skylight point is inspected for 3-6km of single line. The inspection shows that the wide joint is seriously damaged and falls into blocks, the rail plate retaining shoulder is damaged, the rail plate and the CA mortar leave the joint to cause serious deviation of the geometric dimension of the rail, and emergency measures such as speed limitation and the like are further adopted. The manual inspection mode has the problems of high risk, high workload, high labor intensity, low accuracy, low efficiency, obvious influence of external environmental factors and the like during operation of a high-speed rail line skylight.
Disclosure of Invention
The utility model aims at providing a CRTS II type ballastless track board crack state intellectual detection system according to above-mentioned prior art's is not enough, along with the walking of vehicle-mounted platform device makes and installs high definition image acquisition device above that and carry out image acquisition to the track board, thereby cooperation data analysis device carries out the detection that the analysis realized CRTS II type ballastless track board crack state to the image.
The utility model discloses the purpose is realized accomplishing by following technical scheme:
the utility model provides a CRTS II type ballastless track board state of separating from seam intelligent detection system which characterized in that: the system comprises a high-definition image acquisition device, a data control device, a data analysis device and a vehicle-mounted platform device, wherein the vehicle-mounted platform device is a device capable of walking along a steel rail, the high-definition image acquisition device is symmetrically arranged on the left side and the right side of the vehicle-mounted platform device, the data control device and the high-definition image acquisition device form data connection interaction, and the data control device and the data analysis device form data connection interaction.
The image acquisition direction of the high-definition image acquisition device faces the side faces of the track slabs on two sides of the track where the vehicle-mounted platform device is located.
The high-definition image acquisition device consists of a high-speed linear array camera and a high-power light source.
The data analysis device is an image analysis and recognition device which judges the gap separating state of the track slab according to the image collected by the high-definition image collection device; the data analysis device is integrated with image analysis and discrimination software.
The image analysis and judgment software can be CRTS II type track slab defect automatic judgment software.
The mounting position of the high-definition image acquisition device on the vehicle-mounted platform device is adjustable.
The high-definition image acquisition device comprises a shell, the shell is fixedly connected with a back plate, and the back plate is installed on a vehicle body of the vehicle-mounted platform device through a fixed frame.
The back plate is provided with an adjusting hole, the shell is fixedly connected with the back plate through a bolt, and the relative position between the back plate and the shell can be adjusted through the adjusting hole.
The utility model has the advantages that: the traditional manual on-road inspection mode can be replaced, and the problems of the conventional manual on-road inspection mode are solved; the track slab gap inspection work is completed during the operation of the flaw detection vehicle, and the operation skylight is shared, so that the inspection efficiency of the CRTS II type ballastless track slab is improved, the inspection cost is saved, and the transportation safety of the high-speed rail is guaranteed; by adopting automatic inspection, the number of inspectors can be greatly reduced, and the labor intensity is reduced; the high-resolution image acquisition technology can find potential equipment safety hazards which are easy to be left by naked eyes; the influence of weather environment is small; all image data can be kept in real time, comparison processing of historical data and trend diagnosis of equipment state change can be achieved, and source traceability and well-documented check can be achieved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The features of the present invention and other related features are described in further detail below by way of example in conjunction with the accompanying drawings to facilitate understanding by those skilled in the art:
as shown in fig. 1, the symbols 1-7 in the figure are respectively expressed as: high definition image acquisition device 1, data control device 2, data analysis device 3, on-vehicle platform device 4, shell 5, backplate 6, fixed frame 7.
Example (b): as shown in fig. 1, the system main body of the intelligent detection system for the crack-open state of the CRTS ii-type ballastless track slab in the embodiment includes a vehicle-mounted platform device 4, and the vehicle-mounted platform device 4 can run on the steel rail to drive a detection device installed on a vehicle body to detect the crack-open state of the track slab along the direction of the steel rail, so as to ensure the detection quality.
The detection system in the embodiment comprises high-definition image acquisition devices 1 which are arranged on two sides of a vehicle-mounted platform device 4 in a bilateral symmetry mode, wherein the high-definition image acquisition devices 1 are used for acquiring high-definition images of the track slab. The high-definition image acquisition device 1 comprises a high-speed linear array camera and a high-power light source which are arranged in a shell 5, wherein a slit is formed in the shell 5, the high-speed linear array camera can be used as an image acquisition device, an image acquisition surface of the high-speed linear array camera can acquire images of a track plate through the slit in the shell 5, and the high-power light source can also be used for light supplement during high-speed linear array camera shooting through the slit, so that the shooting quality of high-definition images is ensured. Meanwhile, the shell 5 only realizes the shooting of the external image by arranging a slit, so the viewing port is very small, the full sealing is basically realized, and the influence of environmental climate on the high-definition image acquisition device 1 can be effectively avoided.
As shown in fig. 1, a back plate 6 is disposed on one side of the housing 5, and an adjusting hole for installing the housing 5 is formed in the back plate 6, the adjusting hole can be matched with the bolt hole on the peripheral edge of the housing 5, and the housing 5 and the back plate 6 can be connected and fixed by screwing in the bolt. Meanwhile, the back plate 6 is provided with the adjusting hole which is provided with a long and narrow hole with a certain length, so that the shell 5 can have a certain adjusting space on the back plate 6, and the high-speed linear array camera in the shell 5 can accurately aim at the track plate. Specifically, when the high-definition image acquisition device is used, the position of the high-speed line camera is adjusted firstly, so that the installation position of the shell 5 on the back plate 6 is determined, the bolt holes in the shell 5 are aligned with the adjusting holes in the back plate 6, and the bolts are screwed in, so that the installation and the fixation of the high-definition image acquisition device 1 are realized. As shown in fig. 1, a fixing frame 7 is disposed above the back plate 6, and the fixing frame 7 is used for connecting and fixing the back plate 6 and the vehicle body of the vehicle-mounted platform device 4 and suspending the high definition image capturing device 1.
As shown in fig. 1, a data control device 2 is arranged in the middle of the vehicle body of the vehicle-mounted platform device 4, and the data control device 2 is used for receiving and correspondingly storing the images of the track slab shot by the high-definition image acquisition device 1. The data control device 2 can transmit the image to the data analysis device 3, and the data analysis device 3 can judge and detect the gap state of the track slab according to the shot image of the track slab. The vehicle-mounted platform device 4 is arranged on the vehicle-mounted platform device 4, the vehicle-mounted platform device 4 is mainly used for controlling the running state of the vehicle-mounted platform device 4 and is matched with the work of the high-definition image acquisition device 1, for example, the vehicle-mounted platform device 4 can comprise an encoder, the work of the high-definition image acquisition device 1 is driven by the trigger of the encoder, the trigger frequency of the encoder is determined by the vehicle speed, the faster the vehicle speed is, the higher the trigger frequency of the encoder is, the shorter the line scanning time is, and the exposure time can be correspondingly shortened. The line scanning speed of the camera is determined by the frequency of the external trigger signal, the exposure time is the same as the pulse width of the external trigger signal, and the detection quality is ensured.
As shown in fig. 1, three sets of tracks are respectively arranged on the left side and the right side, which respectively show the maximum height difference of the left curve, the maximum height difference of the straight line and the maximum height difference of the right curve, and under the condition that the detection range is known, the high-definition image acquisition device 1 can simultaneously meet the requirements of different tracks by adjusting the installation position thereof.
In the embodiment, in specific implementation: the data analysis device 3 is an image analysis and recognition device, and performs suspicious reference lines through the input image, that is, finds out a plurality of horizontal target reference lines on the track slab and sequentially performs edge detection, hough peak detection, vertical projection and cycle gap judgment. After the target reference line is determined, positioning the wide seam and the gap of the track slab in the image according to the target reference line, judging the wide seam state, calculating the gap width, and alarming when abnormity occurs, thereby realizing intelligent detection of the gap state.
Although the conception and the embodiments of the present invention have been described in detail with reference to the drawings, those skilled in the art will recognize that various changes and modifications can be made therein without departing from the scope of the appended claims.
Claims (7)
1. The utility model provides a CRTS II type ballastless track board state of separating from seam intelligent detection system which characterized in that: the system comprises a high-definition image acquisition device, a data control device, a data analysis device and a vehicle-mounted platform device, wherein the vehicle-mounted platform device is a device capable of walking along a steel rail, the high-definition image acquisition device is symmetrically arranged on the left side and the right side of the vehicle-mounted platform device, the data control device and the high-definition image acquisition device form data connection interaction, and the data control device and the data analysis device form data connection interaction.
2. The CRTS II type ballastless track slab gap state intelligent detection system according to claim 1, characterized in that: the image acquisition direction of the high-definition image acquisition device faces the side faces of the track slabs on two sides of the track where the vehicle-mounted platform device is located.
3. The CRTS II type ballastless track slab gap state intelligent detection system according to claim 1 or 2, characterized in that: the high-definition image acquisition device consists of a high-speed linear array camera and a high-power light source.
4. The CRTS II type ballastless track slab gap state intelligent detection system according to claim 1, characterized in that: the data analysis device is an image analysis and recognition device which judges the gap separating state of the track slab according to the image collected by the high-definition image collection device; the data analysis device is integrated with image analysis and discrimination software.
5. The CRTS II type ballastless track slab gap state intelligent detection system according to claim 1, characterized in that: the mounting position of the high-definition image acquisition device on the vehicle-mounted platform device is adjustable.
6. The CRTS II type ballastless track slab gap state intelligent detection system according to claim 5, characterized in that: the high-definition image acquisition device comprises a shell, the shell is fixedly connected with a back plate, and the back plate is installed on a vehicle body of the vehicle-mounted platform device through a fixed frame.
7. The CRTS II type ballastless track slab gap state intelligent detection system according to claim 6, characterized in that: the back plate is provided with an adjusting hole, the shell is fixedly connected with the back plate through a bolt, and the relative position between the back plate and the shell can be adjusted through the adjusting hole.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922321934.6U CN211710846U (en) | 2019-12-23 | 2019-12-23 | Intelligent detection system for crack opening state of CRTS II type ballastless track slab |
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| CN201922321934.6U CN211710846U (en) | 2019-12-23 | 2019-12-23 | Intelligent detection system for crack opening state of CRTS II type ballastless track slab |
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| CN211710846U true CN211710846U (en) | 2020-10-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112798606A (en) * | 2021-01-26 | 2021-05-14 | 中国铁道科学研究院集团有限公司 | System and method for detecting apparent damage of ballastless track bed |
| CN114842193A (en) * | 2022-04-21 | 2022-08-02 | 上海应用技术大学 | Intelligent track slab gap detection vehicle |
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2019
- 2019-12-23 CN CN201922321934.6U patent/CN211710846U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112798606A (en) * | 2021-01-26 | 2021-05-14 | 中国铁道科学研究院集团有限公司 | System and method for detecting apparent damage of ballastless track bed |
| CN114842193A (en) * | 2022-04-21 | 2022-08-02 | 上海应用技术大学 | Intelligent track slab gap detection vehicle |
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