CN113483684B - Track gauge online measurement system - Google Patents
Track gauge online measurement system Download PDFInfo
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- CN113483684B CN113483684B CN202110751860.9A CN202110751860A CN113483684B CN 113483684 B CN113483684 B CN 113483684B CN 202110751860 A CN202110751860 A CN 202110751860A CN 113483684 B CN113483684 B CN 113483684B
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- track
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/14—Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/08—Systems determining position data of a target for measuring distance only
Abstract
The invention discloses an on-line measuring system for track gauge, which is characterized in that high-definition cameras and laser ranging sensors in a first track gauge measuring instrument and a second track gauge measuring instrument are simultaneously arranged on a track gauge pull rod to cooperatively measure the track gauge of a track, image information of a steel rail is collected through the high-definition cameras, and then distance information collected by the laser ranging sensors is read. When under the normal condition, the laser beam that laser rangefinder sensor sent can produce a facula on the rail, can discern this facula on the rail image that gathers through high definition digtal camera, and the gauge value that laser rangefinder sensor gathered is calculated to the rethread controller. When the laser beam emitted by the laser ranging sensor is shielded by other impurities, the laser beam cannot irradiate the steel rail, the due light spot cannot be identified on the steel rail picture collected by the camera, and the controller judges that the track gauge value collected by the current laser ranging sensor is invalid.
Description
Technical Field
The invention relates to the field of gauge measurement, in particular to a gauge online measurement system.
Background
The railway track infrastructure is the foundation for train operation, and the state detection of the track is favorable for guaranteeing the smooth passing of the train. The railway track is used as the basis of train operation, and can be frequently subjected to transverse impact of a train wheel set, so that the steel rails are transversely moved, the distance between the two steel rails is increased, the relation between the wheel rails is changed, and derailment or rail climbing accidents of the train can be caused in severe cases. Once the track gauge changes, the safe operation of the train can be affected, and the train can derail or roll over in severe cases.
In the prior art, a handheld gauging rule is mainly adopted to measure the track distance. The track gauge is characterized in that the gauge rod is a combined rod gauge formed by a wood gauge rod and a metal gauge rod through a folding mechanism. The gauging rule is a narrow gauge track detection device, its structure is by the blade, the trip frame on scale and the blade is constituteed, the blade is duplex shape section bar structure, be square pipe shape, both sides are outer along having outside extension about the section bar, it has the notch to open along the inboard outward, insert its stainless steel scale chi in the notch, then it is fixed with the pin at its end, be equipped with the trip frame in the middle of the blade, be fixed with vice chi on the trip frame, the curb plate, be fixed with adjusting bolt on the curb plate, cross plate and gauge head are equipped with to the blade end, whole gauging rule is the T-shaped structure. From the measurement realization mode of gaging rule, the function of gaging rule is divided into two parts: firstly, transverse length measurement comprises track distance, check interval and back protection distance, analysis is carried out from the perspective of structural principle and quantity value tracing, the three parameters are mutually related and restricted, and according to the existing quantity value transmission method, the measurement error is gradually increased from the track distance to the check interval and then to the back protection distance; the second is vertical height measurement, including horizontal and super height, as the static geometry parameters of the line.
Due to the fact that the gauging rule needs to be operated by a worker on site, labor intensity of the worker is increased, and intelligentization is not enough. In addition, the measuring method detects the track gauge in stages, and the variable quantity of the track gauge cannot be monitored in real time.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide an on-line track gauge measuring system, in which a camera and a laser distance measuring sensor are simultaneously mounted on a track gauge pull rod to cooperatively measure the track gauge of a track, the camera collects image information of a steel rail, and then the distance information collected by the laser distance measuring sensor is read. When under the normal condition, the laser beam that laser rangefinder sensor sent can produce a facula on the rail, can discern this facula on the rail image that gathers through the camera, and the gauge value that laser rangefinder sensor gathered is calculated to the rethread controller. When the laser beam emitted by the laser ranging sensor is shielded by other impurities, the laser beam cannot irradiate the steel rail, the due light spot cannot be identified on the steel rail picture collected by the camera, and the controller judges that the track gauge value collected by the current laser ranging sensor is invalid.
In order to achieve the above purpose, the present invention provides an online track gauge measuring system, which is implemented as follows:
an on-line measuring system for the track gauge comprises a first track gauge, a second track gauge, a controller, a twisted pair and a middle converter, wherein the first track gauge and the second track gauge are respectively installed on two sides of each track gauge pull rod, the controller is installed on the side edge of the middle of each track gauge pull rod and is electrically connected with the controller, the controller is connected with the middle converter through the twisted pair, the first track gauge and the second track gauge are respectively used for measuring the distance from a steel rail to the first track gauge and the second track gauge, the controller is used for receiving the distance information collected by the first track gauge and the second track gauge and analyzing and calculating the collected information to obtain the track gauge value, the track gauge value is transmitted to the middle converter through the twisted pair, the middle converter is used for receiving the track gauge value information calculated by all controllers on a section of the rail and transmitting the received information to a railway department, and once the track gauge at one section exceeds a preset range, the middle converter actively reminds the department to process the track gauge.
The twisted pair of the invention adopts a four-core pure copper twisted pair shielding communication line, two core wires of the communication line are used as a communication line between the controller and the intermediate converter, and the other two core wires are used as power lines.
The intermediate converter comprises a first metal aluminum box, a power voltage reduction and stabilization module, a first control circuit board, a 5G module, a Beidou positioning module and a power indicator lamp, wherein the power voltage reduction and stabilization module, the first control circuit board, the 5G module and the Beidou positioning module are all installed in the first metal aluminum box, the power indicator lamp is embedded at the top end of the first metal aluminum box, an antenna of the 5G module and an antenna of the Beidou positioning module extend out of the top end of the first metal aluminum box, the power voltage reduction and stabilization module is used for converting 220V mains supply into a 12V power supply to be the first control circuit board, the 5G module, the Beidou positioning module, the power indicator lamp, a first track gauge, a second track gauge, a controller and the intermediate converter for supplying power, the power indicator lamp is used for reminding a worker whether the power supply of the intermediate converter at the position is normal, and the Beidou positioning module is used for positioning the position of the intermediate converter at the position.
The controller comprises a second metal aluminum box, a second control circuit board, a power supply voltage stabilizing module and a false detection indicator light, wherein the second control circuit board and the power supply voltage stabilizing module are installed in the second metal aluminum box, the false detection indicator light is embedded at the top end of the second metal aluminum box, the second control circuit board is used for receiving track gauge information acquired by a first track gauge and a second track gauge and calculating a current track gauge value, when the first track gauge or the second track gauge has false detection, the second control circuit board controls the false detection indicator light to light up to remind a worker that the first track gauge or the second track gauge at the position has false detection, loss is avoided when a twisted pair transmits electric energy, the electric energy transmitted by the twisted pair is subjected to voltage stabilization processing through the power supply voltage stabilizing module and provides electric energy for the second control circuit board, the first track gauge and the second track gauge, each intermediate converter corresponds to a section of track with 110 track gauge rods, each second control circuit board installed on the section of track has a control circuit board number of 1, and the second control circuit board sends the second control circuit board with a serial number of the corresponding to the 110.
The first gauge measuring instrument and the second gauge measuring instrument are composed of the same metal aluminum blocks, laser ranging sensors and high-definition cameras, the two metal aluminum blocks are respectively installed on two sides of a gauge pull rod, the laser ranging sensors and the high-definition cameras are installed on the metal aluminum blocks, the laser ranging sensors are used for measuring gauge information and transmitting the acquired information to the second control circuit board, and the high-definition cameras are used for acquiring steel rail images and light spots, irradiated on steel rails, of the laser ranging sensors and transmitting the acquired images to the second control circuit board for image recognition.
The scheme for measuring the track gauge comprises the following steps: measuring the distance x from the first gauge measuring instrument to the left steel rail by the first gauge measuring instrument 1 The second gauge measuring instrument measures the distance x from the second gauge measuring instrument to the rail 2 Distance x between the first gauge and the second gauge 3 It has been determined at installation that the total gauge calculation formula is:
X＝x 1 +x 2 +x 3 (1)
wherein X represents a current track gauge value; the offset of the gauge is expressed as:
Δx＝x 1 +x 2 +x 3 -1435-2×δ (2)
wherein 1435 shows that the gauge of the standard rail is 1435 mm, delta is the distance between the inner side surface of the rail head of the steel rail and the inner side surface of the rail web, and the delta values of the steel rails with different types are different.
The method for identifying the steel rail and the light spot by the second control circuit board comprises the following steps: the method comprises the steps of firstly carrying out graying processing on an acquired image to obtain a grayscale image, then carrying out filtering and denoising processing on the acquired image by utilizing a wavelet transform filtering algorithm, and then separating a steel rail image from a complex background by a two-dimensional maximum entropy threshold segmentation method.
The scheme for realizing the on-line track gauge monitoring comprises the following steps: initializing a system, transmitting acquired information to a second control circuit board by a laser ranging sensor, calculating a current rail distance value by the second control circuit board, acquiring image information of a steel rail by a high-definition camera, and transmitting the acquired image to the second control circuit board for image recognition processing, wherein the laser ranging sensor actively transmits a laser beam to the rail web of the steel rail during measurement, a light spot is formed on the rail web, the light spot image information is recognized from the steel rail image after the steel rail information is recognized, whether the light spot information on the rail web is recognized is judged once the steel rail information is recognized, and after the light spot image information is recognized, the second control circuit board judges that the current calculated rail distance value is an effective value and transmits the current calculated rail distance value to a first control circuit board; when the laser beam sent by the laser ranging sensor is shielded by other sundries, the laser beam cannot irradiate the rail web of the steel rail, light spots on the rail web cannot be identified on the steel rail picture collected by the camera, the second control circuit board judges that the track gauge value collected by the current laser ranging sensor is invalid and does not send out the track gauge measured value, the second control circuit board sends the first control circuit board that the track gauge at the position has false detection, and the first control circuit board controls the 5G module to send a signal for maintenance to workers in relevant departments of the railway.
Because the invention adopts the structure that the high-definition camera and the laser ranging sensor realize the measurement of the track gauge, the following beneficial effects can be obtained:
1. according to the invention, the high-definition camera and the laser ranging sensor are simultaneously arranged on the track gauge pull rod to cooperatively measure the track gauge of the track, so that the real-time online detection of the track gauge is realized, the image information of the steel rail is collected by the high-definition camera, and then the distance information collected by the laser ranging sensor is read. When laser rangefinder sensor did not shelter from, the facula on the rail web of rail can be gathered to high definition digtal camera, and then confirms that this measured value is the virtual value, in case laser rangefinder sensor is sheltered from the time, the facula can not be gathered to high definition digtal camera on the rail, and then judges that this gauge measured value is not the virtual value, great improvement detect the accuracy.
2. The invention adopts the 5G communication technology to send the measured track gauge information to relevant railway departments in real time, thereby achieving the effect of on-line track gauge monitoring and enabling relevant workers to know the track gauge change conditions of different places in real time.
Drawings
FIG. 1 is a schematic view of an installation structure of an on-line gauge measuring system according to the present invention;
FIG. 2 is a schematic structural diagram of an intermediate converter of an on-line track gauge measuring system according to the present invention;
FIG. 3 is a schematic structural diagram of a controller of an on-line gauge measuring system according to the present invention;
FIG. 4 is a schematic structural diagram of a first gauge measuring instrument and a second gauge measuring instrument of an on-line gauge measuring system according to the present invention;
FIG. 5 is a mathematical model diagram of the gauge measurement of the on-line gauge measuring system of the present invention;
FIG. 6 is a schematic diagram of a laser ranging sensor of an on-line gauge measuring system according to the present invention generating a light spot on a steel rail;
FIG. 7 is a schematic diagram of a high definition camera of the online gauge measuring system of the present invention collecting a steel rail and a light spot;
FIG. 8 is a flowchart of a track gauge on-line monitoring scheme of the track gauge on-line measuring system according to the present invention;
fig. 9 is a working schematic diagram of the track gauge online measurement system of the invention.
The main elements are indicated by symbols.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings.
Referring to fig. 1 to 9, an on-line track gauge measuring system according to the present invention includes a first track gauge 1, a second track gauge 2, a controller 3, a twisted pair 4, and an intermediate converter 5.
As shown in fig. 1, a first gauge measuring instrument 1 and a second gauge measuring instrument 2 are respectively installed on two sides of each gauge pull rod, a controller 3 is installed on a side edge in the middle of the gauge pull rod, the first gauge measuring instrument 1 and the second gauge measuring instrument 2 are both electrically connected with the controller 3, the controller 3 is connected with an intermediate converter 5 by using a twisted pair 4, the first gauge measuring instrument 1 and the second gauge measuring instrument 2 are respectively used for measuring the distance between a steel rail and the first gauge measuring instrument 1 and the second gauge measuring instrument 2, the controller 3 is used for receiving distance information collected by the first gauge measuring instrument 1 and the second gauge measuring instrument 2, analyzing and calculating the collected information to obtain a gauge value, and transmitting the gauge value to the intermediate converter 5 through the twisted pair 4, wherein the controller 3 actively communicates with the intermediate converter 5 by using a CAN bus transceiver mode, two wires of the twisted pair 4 are used as CAN bus, the other two wires are used as power lines, the intermediate converter 5 converts 220V mains supply into 12V power, reminds the first gauge measuring instrument 1, the second gauge measuring instrument 2, the intermediate converter 5 to receive power supply power line, and transmit the controller 3 to the intermediate converter 5, and process the information on the railway, and transmit the related gauge information to the intermediate converter, and once the controller 3 obtains the calculated information on the railway.
The twisted pair 4 adopts a four-core pure copper twisted pair shielded communication line, two cores of which are used as a communication line between the controller 3 and the intermediate converter 5, and the other two cores are used as power lines.
As shown in fig. 2, the intermediate converter 5 includes a first metal aluminum box 6, a power voltage-reducing and voltage-stabilizing module 7, a first control circuit board 8, a 5G module 9, a beidou positioning module 10, a power indicator 11, the power voltage-reducing and voltage-stabilizing module 7, the first control circuit board 8, the 5G module 9, the beidou positioning module 10 is installed in the first metal aluminum box 6, the power indicator 11 is embedded on the top end of the first metal aluminum box 6, and the 5G module 9, an antenna of the beidou positioning module 10 extends out of the top end of the first metal aluminum box 6, the power voltage-reducing and voltage-stabilizing module 7 is used for converting 220V commercial power into 12V power which is used for the first control circuit board 8, the 5G module 9, the beidou positioning module 10, the power indicator 11, the first gauge measuring instrument 1, the second gauge measuring instrument 2, the controller 3, the intermediate converter 5 supplies power, the power indicator 11 is used for reminding a worker whether the power supply to the intermediate converter 5 at the place is normal, the beidou positioning module 10 is used for positioning the position where the intermediate converter 5 is located, the first control circuit board 8 receives the information after the controller 3, the information and the working staff can check the related information of the gauge information and the rail gauge information of the railway through the working distance information of the working staff.
As shown in fig. 3, the controller 3 includes a second metal aluminum box 12, a second control circuit board 13, a power voltage stabilizing module 14, and a misdetection indicator light 15, the second control circuit board 13 and the power voltage stabilizing module 14 are installed in the second metal aluminum box 12, the misdetection indicator light 15 is embedded at the top end of the second metal aluminum box 12, the second control circuit board 13 is configured to receive the track gauge information collected by the first track gauge 1 and the second track gauge 2 and calculate the current track gauge value, when the first track gauge 1 or the second track gauge 2 has a misdetection, the second control circuit board 13 controls the misdetection indicator light 15 to light up to remind the operator that there is a misdetection of the first track gauge 1 or the second track gauge 2 at that position, because the twisted pair 4 is inevitably damaged when transmitting electric energy, the power voltage stabilizing module 14 performs voltage stabilizing processing on the electric energy transmitted by the twisted pair 4, and numbers the second control circuit board 13, the first track gauge 1, the second track gauge 2, each intermediate track gauge converter 5 provides an electric energy, and the intermediate converter 5 of the intermediate converter 3, and the intermediate converter 3 sends a control signal corresponding to the second tie bar 13, which is a tie bar 13 and a tie bar number corresponding to the second tie bar 13.
As shown in fig. 4, the first gauge measuring instrument 1 and the second gauge measuring instrument 2 are composed of the same metal aluminum blocks 16, the laser distance measuring sensor 17 and the high definition camera 18, the two metal aluminum blocks 16 are respectively installed on two sides of the gauge pull rod, the laser distance measuring sensor 17 and the high definition camera 18 are installed on the metal aluminum blocks 16, the laser distance measuring sensor 17 is used for measuring gauge information and transmitting the acquired information to the second control circuit board 13 to calculate the current gauge value, the high definition camera 18 is used for acquiring a steel rail image and a light spot irradiated on the steel rail by the laser distance measuring sensor 17 and transmitting the acquired image to the second control circuit board 13 to perform image recognition.
As shown in fig. 5, the scheme of measuring the track gauge of the present invention is as follows: the first gauge measuring instrument 1 measures the distance x from the first gauge measuring instrument 1 to the left steel rail 1 The second gauge 2 measures the distance x from the second gauge 2 to the rail 2 Distance x between the first gauge 1 and the second gauge 2 3 At the time of installationIt has been determined that the total calculation formula for the gauge is:
X＝x 1 +x 2 +x 3 (1)
wherein X represents a current track gauge value; the offset of the gauge is expressed as:
Δx＝x 1 +x 2 +x 3 -1435-2×δ (2)
wherein 1435 shows that the gauge of the standard rail is 1435 mm, delta is the distance between the inner side surface of the rail head of the steel rail and the inner side surface of the rail web, and the delta values of the steel rails with different types are different.
The method for identifying the steel rail and the light spot by the second control circuit board 13 comprises the following steps: the method comprises the steps of firstly carrying out graying processing on an acquired image to obtain a grayscale image, then carrying out filtering and denoising processing on the acquired image by utilizing a wavelet transform filtering algorithm, and then separating a steel rail image from a complex background by a two-dimensional maximum entropy threshold segmentation method.
As shown in fig. 6, 7 and 8, the scheme for realizing the on-line track gauge monitoring is as follows: initializing the system, transmitting the acquired information to a second control circuit board 13 by a laser ranging sensor 17, calculating a current rail distance value by the second control circuit board 13, acquiring image information of a steel rail by a high-definition camera 18, and transmitting the acquired image to the second control circuit board 13 for image recognition processing, wherein the laser ranging sensor 17 actively transmits a laser beam to a rail web of the steel rail during measurement, so as to form a light spot on the rail web, after the information of the steel rail is recognized, the image information of the light spot is recognized from the image of the steel rail, once the information of the steel rail is recognized, whether the information of the light spot on the rail web is recognized is judged, and after the information of the light spot is recognized, the second control circuit board 13 judges that the current calculated rail distance value is an effective value, and transmits the current calculated rail distance value to a first control circuit board 8; when the laser beam emitted by the laser ranging sensor 17 is shielded by other sundries, the laser beam cannot irradiate the rail web of the steel rail, the light spot on the rail web cannot be identified on the steel rail picture acquired by the camera, the second control circuit board 13 judges that the track gauge value acquired by the current laser ranging sensor 17 is invalid, the track gauge measured value is not sent out, the second control circuit board 13 sends the first control circuit board 8 that the track gauge at the position has false detection, and the first control circuit board 8 controls the 5G module 9 to send a signal for maintenance to the staff of the relevant department of the railway.
The working principle and the working process of the invention are as follows:
as shown in fig. 9, the laser distance measuring sensors 17 of the first gauge 1 and the second gauge 2 respectively collect the distance information from the first gauge 1 to the left rail measured by the first gauge 1, and the distance information from the second gauge 2 to the other rail measured by the second gauge 2, the acquired information is transmitted to the second control circuit board 13 for calculation and analysis to obtain the current track gauge value, the high-definition cameras 18 of the first track gauge 1 and the second track gauge 2 respectively acquire the left and right steel rail images and the light spots irradiated on the steel rails by the laser ranging sensors 17, and sends the collected image to the second control circuit board 13 for image recognition, after the information of the identified steel rail and light spot, the second control circuit board 13 judges that the currently calculated rail gauge value is an effective value, and the track gauge value obtained by current calculation is sent to the first control circuit board 8, the Beidou positioning module 10 is used for positioning the position of the middle converter 5, after the first control circuit board 8 receives the track gauge information sent by the second control circuit board 13, the control 5G module 9 transmits the acquired track gauge information and the position information to relevant railway departments, relevant workers can check the track gauge information of different positions by checking the received information, when the second control circuit board 13 does not recognize that the light spot exists on the steel rail, the second control circuit board 13 judges that the track gauge value collected by the current laser ranging sensor 17 is invalid and does not send out the track gauge measured value, and the false detection indicator lamp 15 is controlled to be turned on, the second control circuit board 13 sends the first control circuit board 8 that the gauge of the rail has false detection, and the first control circuit board 8 controls the 5G module 9 to send a signal for maintenance to the staff of the relevant department of the railway.
Claims (6)
1. The utility model provides a gauge on-line measuring system which characterized in that: the system comprises a first track gauge measuring instrument, a second track gauge measuring instrument, a controller, a twisted pair and a middle converter, wherein the first track gauge measuring instrument and the second track gauge measuring instrument are respectively installed on two sides of each track gauge pull rod, the controller is installed on the side edge in the middle of each track gauge pull rod, the first track gauge measuring instrument and the second track gauge measuring instrument are electrically connected with the controller, the controller is connected with the middle converter through the twisted pair, the first track gauge measuring instrument and the second track gauge measuring instrument are respectively used for measuring the distance between a steel rail and the first track gauge measuring instrument and the second track gauge measuring instrument, the controller is used for receiving distance information collected by the first track gauge measuring instrument and the second track gauge measuring instrument, analyzing and calculating the collected information to obtain a track gauge value at the track gauge value, the track gauge value is transmitted to the middle converter through the twisted pair, the controller and the middle converter are communicated in a CAN bus transceiving mode, two lines in the twisted pair are used as power lines, the middle converter converts 220V power supply into a 12V power supply line, the first track gauge measuring instrument, the second track gauge measuring instrument, the middle converter is used for reminding the controller of the middle converter of receiving power supply information, and is used for receiving and processing the relevant track gauge information once the track gauge information is transmitted to the track gauge, and the relevant track gauge information is transmitted to the relevant track gauge, and the relevant track gauge, and the relevant track gauge is preset range is obtained;
the scheme for realizing the on-line track gauge monitoring of the on-line track gauge measuring system is as follows: initializing a system, transmitting acquired information to a second control circuit board by a laser ranging sensor, calculating a current track gauge value by the second control circuit board, acquiring image information of a steel rail by a high-definition camera, and transmitting the acquired image to the second control circuit board for image recognition processing, wherein the laser ranging sensor actively transmits a laser beam to a rail web of the steel rail during measurement to form a light spot on the rail web, recognizing the light spot image information from the steel rail image after recognizing the steel rail information, judging whether the light spot information on the rail web is recognized once the steel rail information is recognized, judging that the current calculated track gauge value is an effective value by the second control circuit board after recognizing the light spot image information, and transmitting the current calculated track gauge value to the first control circuit board; when the laser beam sent by the laser ranging sensor is shielded by other sundries, the laser beam cannot irradiate the rail web of the steel rail, light spots on the rail web cannot be identified on the steel rail picture collected by the camera, the second control circuit board judges that the track gauge value collected by the current laser ranging sensor is invalid and does not send out the track gauge measured value, the second control circuit board sends the first control circuit board that the track gauge at the position has false detection, and the first control circuit board controls the 5G module to send a signal for maintenance to workers in relevant departments of the railway.
2. The gauge on-line measuring system of claim 1, wherein: the intermediate converter comprises a first metal aluminum box, a power voltage reduction and stabilization module, a first control circuit board, a 5G module, a Beidou positioning module, a power indicator lamp, the power voltage reduction and stabilization module, the first control circuit board, the 5G module, the Beidou positioning module is installed in the first metal aluminum box, the power indicator lamp is embedded at the top end of the first metal aluminum box, the 5G module and an antenna of the Beidou positioning module extend out of the top end of the first metal aluminum box, the power voltage reduction and stabilization module is used for converting 220V mains supply into a 12V power supply to be the first control circuit board, the 5G module, the Beidou positioning module, the power indicator lamp, a first track gauge, a second track gauge, a controller and an intermediate converter for supplying power, the power indicator lamp is used for reminding workers whether the power supply of the intermediate converter at the position is normal or not, the Beidou positioning module is used for positioning the position of the intermediate converter at the position, after the first control circuit board receives track gauge information transmitted from the controller, the 5G module transmits the acquired track gauge information and position information to railway departments, and related workers can check the track gauge information at different positions through checking the received information.
3. The gauge on-line measuring system of claim 1, wherein: the controller comprises a second metal aluminum box, a second control circuit board, a power supply voltage stabilizing module and a false detection indicator light, wherein the second control circuit board and the power supply voltage stabilizing module are installed in the second metal aluminum box, the false detection indicator light is embedded at the top end of the second metal aluminum box, the second control circuit board is used for receiving track gauge information acquired by a first track gauge and a second track gauge and calculating a current track gauge value, when the first track gauge or the second track gauge has false detection, the second control circuit board controls the false detection indicator light to light up to remind an operator that the first track gauge or the second track gauge at the position has false detection, loss is inevitable when the twisted pair transmits electric energy, voltage stabilization processing is carried out on the electric energy transmitted by the twisted pair through the power supply voltage stabilizing module, the electric energy is provided for the second control circuit board, the first track gauge and the second track gauge, each intermediate converter corresponds to a section of track with a 110 track gauge pull rod laid continuously, each second control circuit board installed on the section of track has a 110 control circuit board number which is sent to the second control circuit board per se when the second control circuit board is numbered, and the second control circuit board is numbered.
4. The on-line gauge measuring system according to claim 1, wherein: first gauge measuring apparatu, second gauge measuring apparatu adopt the same metal aluminium piece, laser range finding sensor, high definition digtal camera constitutes, two metal aluminium pieces are installed the both sides on the gauge pull rod respectively, install laser range finding sensor and high definition digtal camera on the metal aluminium piece, laser range finding sensor is used for measuring gauge information, and with information transmission to the second control circuit board of gathering, high definition digtal camera is used for gathering the rail image and the facula that laser range finding sensor shines on the rail, and carry out image identification in sending the image transmission who gathers to the second control circuit board.
5. The gauge online of claim 1A measurement system, characterized by: the track gauge online measurement system comprises the following scheme: the first gauge measuring instrument measures the distance from the first gauge measuring instrument to the left steel rail
The second gauge measuring instrument measures the distance from the second gauge measuring instrument to the rail
Distance between the first gauge and the second gauge
It has been determined at installation that the total gauge calculation formula is:
wherein
Representing the current gauge value; the offset of the gauge is expressed as:
where 1435 indicates that the gauge of the standard rail is 1435 mm,
for distance between head and web of rail, of different types
The values are different.
6. The on-line gauge measuring system according to claim 3 or 4, wherein: the method for identifying the steel rail and the light spot by the second control circuit board comprises the following steps: the method comprises the steps of firstly carrying out graying processing on an acquired image to obtain a grayscale image, then carrying out filtering and denoising processing on the acquired image by utilizing a wavelet transform filtering algorithm, and then separating a steel rail image from a complex background by a two-dimensional maximum entropy threshold segmentation method.
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