CN215768202U - Rail surface monitoring system based on linear array camera and rail defect inspection device thereof - Google Patents

Rail surface monitoring system based on linear array camera and rail defect inspection device thereof Download PDF

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Publication number
CN215768202U
CN215768202U CN202121749895.0U CN202121749895U CN215768202U CN 215768202 U CN215768202 U CN 215768202U CN 202121749895 U CN202121749895 U CN 202121749895U CN 215768202 U CN215768202 U CN 215768202U
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light source
mounting wall
adjusting
rail surface
strip
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郑嘉
邓成呈
张猛
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Hangzhou Shenhao Technology Co Ltd
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Hangzhou Shenhao Technology Co Ltd
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Abstract

The utility model relates to a track surface monitoring system based on a linear array camera and a track defect polling device thereof. The linear array camera is used for collecting the surface image of the steel rail and transmitting the collected surface image of the steel rail to the computer through communication connection. The mounting assembly comprises a line light source and three high-brightness strip-shaped light sources, and the line light source and the three high-brightness strip-shaped light sources are distributed below the linear array camera in a matrix manner. The mounting assembly is provided with a first adjusting mechanism and three second adjusting mechanisms respectively. The vertical direction and the longitudinal horizontal direction of the linear light source are adjusted through the first adjusting mechanism, the longitudinal horizontal direction and the angle of the three high-brightness strip-shaped light sources and the transverse horizontal direction and the angle of the three high-brightness strip-shaped light sources are adjusted through the three second adjusting mechanisms, and uniform imaging of the surface of the steel rail is achieved. And illuminate the fastener region below the steel rail through the line light source, and can shoot two positions of the steel rail and the fastener simultaneously.

Description

Rail surface monitoring system based on linear array camera and rail defect inspection device thereof
Technical Field
The utility model relates to the technical field of rail defect inspection, in particular to a rail surface monitoring system based on a linear array camera and a rail defect inspection device thereof.
Background
With the rapid development of high-speed railways in China, rail disease detection gradually becomes an important research direction in railway development. The rail serves as the infrastructure of the rail transit, and the performance state of the rail transit is closely related to the operation safety of the rail transit. After a train runs for a long time, due to various reasons such as train rolling, foundation settlement, material aging and the like, the track state can be gradually worsened, various diseases such as track gauge change, steel rail fracture, fastener failure and the like can randomly occur, and if the diseases cannot be found and treated in time, serious traffic accidents such as train derailment and the like can be possibly caused. Therefore, the rail detection and maintenance work is particularly important for railway development.
The track disease detects at present and adopts artifical the detection, and artifical visual detection can't satisfy the track demand of patrolling and examining far away, and from this, machine vision detecting system just stands out at this moment, and a track surface detection device installs at the rail train vehicle bottom for scan the condition on railway surface, make things convenient for the staff to master the railway condition so that in time prosthetic.
For example, in a machine vision rail surface defect detection system disclosed in chinese patent, publication No. CN204924974U, the light source is used to illuminate both sides of the rail, and it is difficult to obtain a result picture with sufficient and uniform brightness in combination with the surface shape of the rail. While insufficient brightness makes it difficult to adapt to high speed scenes.
For example, in chinese patent, the high-speed online detection device for surface defects of a steel rail disclosed in publication No. CN102636492B uses two strip light sources to illuminate in the front and back directions of the steel rail, and combines the surface shape of the steel rail, so that the imaging capability of the two sides of the surface of the steel rail is very weak, and the detection range is affected.
Therefore, a rail surface monitoring system based on a line camera and a rail defect inspector thereof are needed to solve the problems of uneven image illumination or insufficient brightness in the prior art.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In view of the above disadvantages and shortcomings of the prior art, the present invention provides a track surface monitoring system based on a line camera and a track defect inspector thereof, which solves the technical problems of the track surface monitoring system based on the line camera and the track defect inspector thereof in the prior art, such as uneven image illumination or insufficient brightness.
(II) technical scheme
In order to achieve the purpose, the utility model adopts the main technical scheme that:
a rail surface monitoring system based on a linear array camera is fixedly arranged below a train and monitors the rail surface of the steel rail along with the movement of the train on the steel rail, and comprises the linear array camera, a light source assembly, an installation assembly for installing the linear array camera and the light source assembly, and a computer/controller in communication connection with the linear array camera;
the linear array camera is used for acquiring a steel rail surface image and transmitting the acquired steel rail surface image to the computer/controller through communication connection, and the computer/controller is used for receiving the steel rail surface image for processing;
the mounting assembly comprises a line light source and three high-brightness strip-shaped light sources, and the line light source and the three high-brightness strip-shaped light sources are correspondingly distributed around the lower portion of the linear array camera.
Optionally, a light-shielding housing is further included;
the shading shell is connected with the linear array camera through the mounting assembly and used for covering the linear light source and the three high-brightness strip-shaped light sources in the inner cavity of the shading shell.
Optionally, the mounting assembly has a first mounting wall, a second mounting wall, a third mounting wall and a fourth mounting wall arranged in sequence along the outer periphery;
the first mounting wall is provided with a first adjusting mechanism, the first adjusting mechanism is connected with the linear light source, and the vertical direction and the longitudinal horizontal direction of the linear light source and the rotation angle of the linear light source relative to the first mounting wall are adjusted through the first adjusting mechanism;
the second mounting wall, the third mounting wall or the fourth mounting wall is provided with a second adjusting mechanism, the second adjusting mechanism is connected with the high-brightness strip-shaped light source, and the vertical direction and the longitudinal horizontal direction of the high-brightness strip-shaped light source and the rotation angle of the high-brightness strip-shaped light source relative to the third mounting wall are adjusted through the second adjusting mechanism on the third mounting wall; adjusting the vertical direction and the transverse horizontal direction of the highlight strip-shaped light source and the angle of the highlight strip-shaped light source relative to the second mounting wall or the fourth mounting wall through the second adjusting mechanism on the second mounting wall or the fourth mounting wall;
the first adjusting mechanism and the second adjusting mechanism are matched with each other, and then the linear light source of the first adjusting mechanism and the highlight strip-shaped light source of the second adjusting mechanism are driven to emit light so as to enable the linear array camera to acquire the surface image of the steel rail.
Optionally, the first adjustment mechanism comprises a first horizontal adjustment member and a first vertical adjustment member;
the first vertical adjusting piece is arranged on the first mounting wall and used for adjusting the position of the linear light source in the transverse vertical direction;
the first horizontal adjusting piece is fixed with the bottom of the first vertical adjusting piece and is used for adjusting the position of the linear light source in the longitudinal horizontal direction;
the first adjusting mechanism further comprises a first rotating support, the first rotating support is fixed with the first horizontal adjusting piece, a connecting frame is fixedly connected to the first rotating support, the connecting frame is fixed with the linear light source, the connecting frame can selectively rotate on the first rotating support, and then the angle of the linear light source is made to rotate along the first rotating support.
Optionally, there are two first adjusting mechanisms, and the two first adjusting mechanisms are respectively disposed at two ends of the linear light source.
Optionally, the second adjustment mechanism comprises a second horizontal adjustment member and a second vertical adjustment member;
the second vertical adjusting piece is arranged on the second mounting wall or the third mounting wall or the fourth mounting wall and is used for adjusting the position of the high-brightness strip-shaped light source on the second mounting wall or the third mounting wall or the fourth mounting wall in the transverse vertical direction;
the second horizontal adjusting piece is fixed with the bottom of the second vertical adjusting piece, the second horizontal adjusting piece of the third mounting wall is used for adjusting the position of the high bright strip-shaped light source in the longitudinal horizontal direction of the third mounting wall, and the second horizontal adjusting piece on the second mounting wall or the fourth mounting wall is used for adjusting the position of the high bright strip-shaped light source in the transverse horizontal direction of the second mounting wall or the fourth mounting wall;
the second adjusting mechanism further comprises a second rotating support, the second rotating support is fixed with the second horizontal adjusting piece, the second rotating support is fixed with the high-brightness strip-shaped light source, the high-brightness strip-shaped light source can selectively rotate on the second rotating support, and then the angle of the high-brightness strip-shaped light source is enabled to rotate along the second rotating support.
Optionally, the line camera is a 2k line camera, and a lens of the 2k line camera is disposed on a blue light filter, where the blue light filter is used to obtain light in a blue waveband.
Optionally, the light-shielding housing is provided with a plurality of openings, and each opening corresponds to a position of the highlight bright strip-shaped light source.
Optionally, the line camera is connected to the computer/controller via a wired communication network.
A track disease inspection device comprises two linear array camera-based rail surface monitoring systems, two linear array camera-based rail surface monitoring systems are arranged on the left and right sides of the bottom end of the rear portion of a train head, and the rail surface of a steel rail is monitored along with the movement of the train on the steel rail
(III) advantageous effects
The utility model has the beneficial effects that: according to the rail surface monitoring system based on the linear array camera and the rail defect inspector thereof, the linear light source is adjusted in the vertical direction and the longitudinal horizontal direction through the first adjusting mechanism, and the three second adjusting mechanisms are respectively adjusted in the longitudinal horizontal direction and the angle of the three high-brightness bar-shaped light sources and in the transverse horizontal direction and the angle, so that the uniform imaging of the surface of the steel rail is realized. And illuminate the fastener region below the steel rail through the line light source, and can shoot two positions of the steel rail and the fastener simultaneously.
Drawings
FIG. 1 is a schematic view of a rail surface monitoring system of the present invention installed at the head of a train;
FIG. 2 is a schematic perspective view of a linear array camera-based rail surface monitoring system according to the present invention;
FIG. 3 is a schematic perspective view of the track surface monitoring system based on the line camera without a light shielding housing according to the present invention;
fig. 4 is a perspective view of fig. 2 along the direction indicated by the arrow C.
[ description of reference ]
10: a line camera; 20: a light source assembly; 21: a line light source; 22: a high bright strip light source;
30: mounting the component; 31: a base plate; 32: a first side plate; 33: a mounting frame; 331: a first mounting side plate; 332: a second mounting side plate; 333: a transverse plate; 34: a second side plate; 35: an L-shaped plate; 36: connecting a bracket; 40: a light-shielding housing; 50: a first adjustment mechanism; 51: a first horizontal adjustment member; 52: a first vertical adjustment member; 60: a second adjustment mechanism; 61: a second horizontal adjustment member; 62: a second vertical adjustment member; 63: a second rotating bracket; 70: an opening;
80: a headstock.
Detailed Description
For the purpose of better explaining the present invention and to facilitate understanding, the present invention will be described in detail by way of specific embodiments with reference to the accompanying drawings. Where directional terms such as "upper", "lower", "left" and "right" are used herein, reference is made to the orientation of FIG. 1. The side on which the line camera 10 is located is defined as upper.
Referring to fig. 1, the track defect inspector provided in the embodiment of the present invention includes two rail surface monitoring systems, which are disposed on the left and right sides of the bottom end behind a locomotive 80 of a train and monitor the rail surface of a steel rail along with the movement of the train on the steel rail.
Referring to fig. 1-3, a line camera-based rail surface monitoring system comprises a line camera 10, a light source assembly 20 and a mounting assembly 30 for mounting the line camera 10 and the light source assembly 20, and a computer/controller in communication with the line camera 10.
The linear array camera 10 is used for acquiring the surface image of the steel rail and transmitting the acquired surface image of the steel rail to the computer/controller through communication connection, and the computer/controller is used for receiving the surface image of the steel rail and processing the surface image of the steel rail.
The light source assembly 20 includes a line light source 21 and three high-brightness strip light sources 22, and the line light source 21 and the three high-brightness strip light sources 22 are correspondingly distributed around the lower portion of the line camera 10.
Further, the mounting assembly 30 has a first mounting wall, a second mounting wall, a third mounting wall and a fourth mounting wall arranged in sequence along the outer periphery. Specifically, the mounting assembly 30 includes a base plate 31, a first side plate 32, a second side plate 34, and a mounting frame 33. The left side and the right side of the front side end face of the bottom plate 31 are respectively welded with a first side plate 32 and a second side plate 34, and the bottom plate 31, the first side plate 32 and the second side plate 34 are welded to form an inverted U-shaped bracket. The linear camera 10 is bolted to the inverted U-shaped bracket through an L-shaped plate 35. The mounting frame 33 is screwed below the opening at the front side of the inverted U-shaped bracket. The mounting frame 33 includes a first mounting side plate 331, a second mounting side plate 332, and a cross plate 333. Wherein, the first mounting side plate 331 is screwed with the first side plate 32. The second mounting side plate 332 is threadably engaged with the second side plate 34. The transverse plate 333 is provided to the first mounting side plate 331 and the second mounting side plate 332, and the transverse plate 333 is connected to the first mounting side plate 331 and the second mounting side plate 332 by welding.
Note that, the bottom plate 31 serves as a first mounting wall of the mounting assembly 30; the first side plate 32 serves as a second mounting wall of the mounting assembly 30; the cross plate 333 serves as a third mounting wall for the mounting assembly 30; the second side plate 34 serves as a fourth mounting wall of the mounting assembly 30.
Further, the first mounting wall is provided with a first adjusting mechanism 50, the first adjusting mechanism 50 is connected to the linear light source 21, and the vertical direction (i.e., the up-down direction) and the longitudinal horizontal direction (i.e., the front-back direction) and the angle of the linear light source 21 are adjusted by the first adjusting mechanism 50.
The second mounting wall, the third mounting wall and the fourth mounting wall are all provided with second adjusting mechanisms 60, the three second adjusting mechanisms 60 are respectively connected with the three high-brightness strip-shaped light sources 22, and the vertical direction (namely, the up-down direction) and the longitudinal horizontal direction (the front-back direction) of the high-brightness strip-shaped light sources 22 and the rotation angle of the high-brightness strip-shaped light sources 22 relative to the third mounting wall are adjusted through the second adjusting mechanisms 60 on the third mounting wall. The vertical direction (i.e., up-down direction) and the horizontal direction (i.e., left-right direction) of the highlight bar-shaped light sources 22 and the angle of the highlight bar-shaped light sources 22 with respect to the second mounting wall or the fourth mounting wall are adjusted by the second adjusting mechanism 60 on the second mounting wall and the fourth mounting wall.
The first adjusting mechanism 50 and the second adjusting mechanism 60 are matched with each other, so as to drive the linear light source 21 of the first adjusting mechanism and the highlight strip-shaped light source 22 of the second adjusting mechanism 60 to emit light, so that the linear array camera 10 can collect the rail surface image.
A light-shielding housing 40 is also included. The shade housing 40 is threadably coupled to the mounting assembly 30 via the attachment bracket 36 and a plurality of mounting struts. To make the light shield housing 40 more stable. The external shading shell 40 can block the influence of external light, so that the monitoring device can complete the collection work of outdoor scenes.
Further, the first adjustment mechanism 50 includes a first horizontal adjustment member 51 and a first vertical adjustment member 52.
The first vertical adjustment member 52 is provided on the first mounting wall for adjusting the position of the linear light source 21 in the lateral vertical direction. Preferably, the first vertical adjusting member 52 includes an adjusting nut and an adjusting screw, the adjusting nut is a sheet metal member, and the adjusting nut and the bottom plate 31 are fixed by a bolt. The adjusting nut is internally provided with threads and is in threaded connection with the outside of the adjusting screw rod through the threads. Before the line light source 21 is installed, the vertical direction of the line light source 21 is adjusted through the interaction between the adjusting nut and the adjusting screw.
The first horizontal adjusting member 51 is fixed to the bottom of the first vertical adjusting member 52, and the first horizontal adjusting member 51 is used for adjusting the position of the linear light source 21 in the longitudinal horizontal direction. Wherein, first horizontal adjustment spare 51 is including adjusting nut and adjusting screw similarly, and adjusting nut is the sheet metal component, and adjusting nut is fixed mutually through the bolt with first runing rest 53. The adjusting nut is internally provided with threads and is in threaded connection with the outside of the adjusting screw rod through the threads. Before the line light source 21 is installed, the vertical direction of the line light source 21 is adjusted through the interaction between the adjusting nut and the adjusting screw.
The first adjusting mechanism 50 further includes a first rotating bracket 53, and the first rotating bracket 53 is fixed to an adjusting nut of the first horizontal adjusting member 51. The first rotating bracket 53 is fixedly connected with a connecting bracket 54, the connecting bracket 54 is fixed with the linear light source 21, and the connecting bracket 54 can selectively rotate on the first rotating bracket 53, so that the angle of the linear light source 21 rotates along the first rotating bracket 53. Specifically, arc chutes are formed in the side walls of the two ends of the first rotating bracket 53, wherein the arc chutes at one end are fixed by the positioning bolt connecting frames 54, when the linear light source 21 needs to be rotated, the positioning bolts in the arc chutes at the other end are loosened, so that the rotation of the connecting frames 54 on the first rotating bracket 53 is adjusted, and meanwhile, the connecting frames 54 can be rotated randomly in the direction of the arc chutes by the arrangement of the arc chutes, so that the angle of the linear light source 21 connected with the connecting frames 54 can be adjusted.
Further, there are two first adjusting mechanisms 50, and the two first adjusting mechanisms 50 are respectively disposed at two ends of the linear light source 21. Due to the characteristics of the linear light source 21, the linear light source 21 can better focus light, and the linear light source 21 is longer and has higher power than the high-brightness bar light source, so that the linear light source 21 has a heat dissipation structure and is relatively heavier, and therefore, two first adjusting mechanisms 50 are required to adjust the position and the angle of the linear light source 21.
Further, the second adjustment mechanism 60 includes a second horizontal adjustment member 61 and a second vertical adjustment member 62.
The second vertical adjusting member 62 is disposed on the second mounting wall or the third mounting wall or the fourth mounting wall, and is used for adjusting the position of the high-brightness strip-shaped light source 22 on the second mounting wall or the third mounting wall or the fourth mounting wall in the transverse vertical direction.
It should be noted that the specific structure of the second vertical adjustment member 62 is the same as the specific structure of the first vertical adjustment member 52. The adjusting nuts of the second vertical adjuster 62 are threadedly engaged with the first side plate 32, the cross plate 333, and the second side plate 34, respectively. Before the three high light bar light sources 22 are installed, the three high light bar light sources 22 are adjusted in the vertical direction.
The second horizontal adjusting piece 61 is fixed to the bottom of the second vertical adjusting piece 62, the second horizontal adjusting piece 61 of the third installation wall is used for adjusting the position of the high bright strip-shaped light source 22 of the third installation wall in the longitudinal horizontal direction, and the second horizontal adjusting piece 61 of the second installation wall or the fourth installation wall is used for adjusting the position of the high bright strip-shaped light source 22 on the second installation wall or the fourth installation wall in the transverse horizontal direction. The structure of the second horizontal adjusting member 61 is the same as the specific structure of the first horizontal adjusting member 51. The bottom of the adjusting nut of the second horizontal adjusting member 61 is screwed with the upper center of the second rotating frame 63.
The second adjusting mechanism 60 further includes a second rotating bracket 63, and the second rotating bracket 63 is fixed to the second horizontal adjusting member 61. The second rotating bracket 63 is fixed with the highlight bar-shaped light source 22, and the highlight bar-shaped light source 22 can be selectively rotated on the second rotating bracket 63, so that the angle of the highlight bar-shaped light source 22 is rotated along the second rotating bracket 63. Specifically, arc-shaped sliding grooves are formed in the side walls of the two ends of the second rotating support 63, and the high-brightness strip-shaped light source 22 can rotate in the arc-shaped sliding grooves.
The line scan camera 10 is used for collecting the rail surface image and transmitting the collected rail surface image to the computer through communication connection, and the computer is used for receiving the rail surface image and processing the rail surface image. Further, the line camera 10 is connected to a computer/controller via a wired communication network. The computer is positioned in the monitoring center, and an operator monitors the rail surface of the train in real time to acquire pictures in real time and perform corresponding processing.
Further, the line camera 10 adopts a 2k line camera 10, and a lens of the 2k line camera 10 is disposed on a blue light filter, and the blue light filter is used for obtaining light of a blue waveband. The blue light source with shorter wavelength is selected, the imaging of the metal surface is more suitable, and meanwhile, the influence of external light can be further reduced by additionally arranging the blue light filter in front of the lens of the linear array camera 10.
Further, the light shielding case 40 is opened with a plurality of openings 70, and each opening 70 corresponds to a position of the highlight strip light source. The opening 70 is provided for facilitating subsequent maintenance and debugging, and a door hinged to one side of the opening 70 is provided at the opening 70.
In the utility model, because the surface of the steel rail is horizontal in the middle and inclined at two angles, three dispersed high-brightness strip-shaped light sources 22 with respectively adjustable brightness are more beneficial to imaging and can obtain higher brightness. And the fastener area below the steel rail is illuminated through the linear light source 21, and two positions of the steel rail and the fastener can be shot simultaneously. The first adjusting mechanism 50 adjusts the linear light source 21 in the vertical direction and the longitudinal horizontal direction, and the three second adjusting mechanisms 60 respectively adjust the longitudinal horizontal direction and the angle of the three high-brightness strip-shaped light sources 22 and the transverse horizontal direction and the angle, so that the uniform imaging of the surface of the steel rail is realized.
It should be noted that the fastener below the steel rail is a fastening device between two adjacent steel rails and is used for clamping the adjacent steel rails, the fastener is used for fixing the steel rails so as to prevent the steel rails from turning over, a pair of fasteners are arranged about half a meter generally, the specific welding position of the steel rails can be seen in the image by the aid of the auxiliary judgment, and the functions of assisting mileage positioning, positioning the splicing position of the steel rails and the like can be realized. When the device is used together with ultrasonic flaw detection equipment and the like, the detection of the welding place is shielded.
Further, the linear array camera 10 of the rail surface monitoring system is connected with a fixed seat through an optical axis, and the fixed seat is used for being fixed with a base at the bottom end behind the train head 80 of the train. And monitoring the steel rail of the train in real time along with the running of the train.
In the description of the present invention, it is to be understood that the terms "first", "second" and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; either as communication within the two elements or as an interactive relationship of the two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, a first feature may be "on" or "under" a second feature, and the first and second features may be in direct contact, or the first and second features may be in indirect contact via an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lower level than the second feature.
In the description herein, the description of the terms "one embodiment," "some embodiments," "an embodiment," "an example," "a specific example" or "some examples" or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it should be understood that the above embodiments are illustrative and not restrictive, and that those skilled in the art may make changes, modifications, substitutions and alterations to the above embodiments without departing from the scope of the present invention.

Claims (10)

1. A rail surface monitoring system based on a linear array camera is fixedly arranged below a train and monitors the rail surface of the steel rail along with the movement of the train on the steel rail, and comprises the linear array camera (10), a light source assembly (20), an installation assembly (30) for installing the linear array camera (10) and the light source assembly (20), and a computer/controller in communication connection with the linear array camera (10); the method is characterized in that:
the linear array camera (10) is used for acquiring a steel rail surface image and transmitting the acquired steel rail surface image to the computer/controller through communication connection, and the computer/controller is used for receiving the steel rail surface image for processing;
the light source assembly (20) comprises a line light source (21) and three high-brightness strip-shaped light sources (22), and the line light source (21) and the three high-brightness strip-shaped light sources (22) are correspondingly distributed on the periphery of the lower portion of the linear array camera (10).
2. The line camera-based rail surface monitoring system of claim 1, wherein:
further comprising a light-shielding housing (40);
the light shading shell (40) is connected with the linear array camera (10) through the mounting assembly (30), and the light shading shell (40) is used for covering the linear light source (21) and the three high-brightness strip-shaped light sources (22) in the inner cavity of the light shading shell.
3. The line camera-based rail surface monitoring system of claim 1, wherein:
the mounting assembly (30) is provided with a first mounting wall, a second mounting wall, a third mounting wall and a fourth mounting wall which are sequentially arranged along the periphery of the outer side;
the first mounting wall is provided with a first adjusting mechanism (50), the first adjusting mechanism (50) is connected with the linear light source (21), and the vertical direction and the longitudinal horizontal direction of the linear light source (21) and the rotating angle of the linear light source (21) relative to the first mounting wall are adjusted through the first adjusting mechanism (50);
the second mounting wall, the third mounting wall or the fourth mounting wall is provided with a second adjusting mechanism, the second adjusting mechanism (60) is connected with the high-brightness strip-shaped light source (22), and the vertical direction, the longitudinal direction and the horizontal direction of the high-brightness strip-shaped light source (22) and the rotating angle of the high-brightness strip-shaped light source (22) relative to the third mounting wall are adjusted through the second adjusting mechanism (60) on the third mounting wall; adjusting, by the second adjustment mechanism (60) on the second or fourth mounting wall, the vertical and lateral horizontal directions of the highlight bar light sources (22) and the angle of the highlight bar light sources (22) relative to the second or fourth mounting wall;
the first adjusting mechanism (50) and the second adjusting mechanism (60) are matched with each other, and then the linear light source (21) of the first adjusting mechanism and the highlight strip-shaped light source (22) of the second adjusting mechanism (60) are driven to emit light, so that the linear array camera (10) can acquire the surface image of the steel rail.
4. The line camera-based rail surface monitoring system of claim 3, wherein: the first adjusting mechanism (50) comprises a first horizontal adjusting piece (51) and a first vertical adjusting piece (52);
the first vertical adjusting piece (52) is arranged on the first mounting wall and used for adjusting the position of the linear light source (21) in the transverse vertical direction;
the first horizontal adjusting piece (51) is fixed with the bottom of the first vertical adjusting piece (52), and the first horizontal adjusting piece (51) is used for adjusting the position of the linear light source (21) in the longitudinal horizontal direction;
the first adjusting mechanism (50) further comprises a first rotating support (53), the first rotating support (53) is fixed with the first horizontal adjusting piece (51), a connecting frame (54) is fixedly connected to the first rotating support (53), the connecting frame (54) is fixed with the linear light source (21), and the connecting frame (54) can selectively rotate on the first rotating support (53), so that the angle of the linear light source (21) rotates along the first rotating support (53).
5. The line camera-based rail surface monitoring system of claim 4, wherein: the number of the first adjusting mechanisms (50) is two, and the two first adjusting mechanisms (50) are respectively arranged at two ends of the linear light source (21).
6. The line camera-based rail surface monitoring system of claim 3, wherein: the second adjusting mechanism (60) comprises a second horizontal adjusting piece (61) and a second vertical adjusting piece (62);
the second vertical adjusting piece (62) is arranged on the second mounting wall or a third mounting wall or a fourth mounting wall and is used for adjusting the position of the high-brightness strip-shaped light source (22) on the second mounting wall or the third mounting wall or the fourth mounting wall in the transverse vertical direction;
the second horizontal adjusting piece (61) is fixed with the bottom of the second vertical adjusting piece (62), the second horizontal adjusting piece (61) of the third mounting wall is used for adjusting the position of the high bright strip-shaped light source (22) of the third mounting wall in the longitudinal horizontal direction, and the second horizontal adjusting piece (61) of the second mounting wall or the fourth mounting wall is used for adjusting the position of the high bright strip-shaped light source (22) of the second mounting wall or the fourth mounting wall in the transverse horizontal direction;
the second adjusting mechanism (60) further comprises a second rotating bracket (63), the second rotating bracket (63) is fixed to the second horizontal adjusting piece (61), the second rotating bracket (63) is fixed to the high-brightness strip-shaped light source (22), and the high-brightness strip-shaped light source (22) can selectively rotate on the second rotating bracket (63), so that the angle of the high-brightness strip-shaped light source (22) rotates along the second rotating bracket (63).
7. The line camera-based rail surface monitoring system of claim 1, wherein: the linear array camera (10) adopts a 2k linear array camera (10), a lens of the 2k linear array camera (10) is arranged on a blue light filter, and the blue light filter is used for acquiring light of a blue waveband.
8. The line camera-based rail surface monitoring system of claim 2, wherein: the shading shell (40) is provided with a plurality of openings (70), and each opening (70) corresponds to the position of the highlight strip-shaped light source (22).
9. The line camera-based rail surface monitoring system of claim 1, wherein: the line camera (10) is connected to the computer/controller via a wired communication network.
10. The utility model provides a track disease patrols and examines ware which characterized in that: -a rail surface monitoring system comprising two line camera based rail surface monitoring systems according to any of claims 1 to 9, arranged on the left and right sides of the rear bottom end of the locomotive (80) of the train and monitoring the rail surface of the rail as the train moves over the rail.
CN202121749895.0U 2021-07-29 2021-07-29 Rail surface monitoring system based on linear array camera and rail defect inspection device thereof Active CN215768202U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117147585A (en) * 2023-10-25 2023-12-01 宜宾盈通智能技术有限公司 Camera production appearance inspection device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117147585A (en) * 2023-10-25 2023-12-01 宜宾盈通智能技术有限公司 Camera production appearance inspection device
CN117147585B (en) * 2023-10-25 2024-01-12 宜宾盈通智能技术有限公司 Camera production appearance inspection device

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