JP4732076B2 - Home separation measuring method and apparatus - Google Patents

Description

  The present invention relates to a platform separation measuring method and apparatus, and more particularly, to a platform separation measuring method and apparatus for measuring a separation distance between an ongoing vehicle and a side edge of a station platform over the entire platform.

The station platform is essential for passengers to get on and off the train. On the other hand, for a train passing on a track (track), it is of course important for the safe traveling of the train that the structure around the track is outside a certain space (building limit).
The construction limit of the station platform is the spatial distance (distance and height) from the center of the track to the upper edge of the platform, and cannot be set larger than necessary due to the nature of the platform. On the other hand, setting the platform limits of the platform and maintenance management of the platform once constructed are one of the important issues in the management system of the entire railway considering the displacement of the platform due to earthquakes and land subsidence.

Measurement of the building limits of a station platform is usually done manually using a measuring ruler. On the other hand, regarding the construction limit of surrounding structures other than the platform of the station, there is the following Patent Document 1 as the measurement technique.
JP-A-4-295707

  As shown in the background art described above, the measurement of the building limit of the platform is currently performed using a measurement ruler, so it takes a lot of time and effort and is inefficient. Japanese Patent Laid-Open No. 4-295707 disclosed in the above-mentioned patent document is mainly intended for a tunnel, and is configured with the safe driving of a train as a top priority issue. However, there is an inconvenience that it cannot be introduced as it is in the measurement of the building limit of the platform that is constructed while exploring.

  It is an object of the present invention to provide a method and apparatus for measuring the distance from a home that can improve the disadvantages of the conventional example and can quickly and accurately measure the building limit of a station platform related to human safety. Objective.

In order to achieve the above object, in the present invention, a first step of detecting distance information between a side end of a vehicle main body traveling along a platform of a station and a home side end edge, and the first step, A second step of detecting and specifying the center position of the track on which the vehicle travels by operating at substantially the same timing; the track center position obtained by the second step; and the center of the vehicle main body traveling on the track A third step of detecting a positional shift between the vehicle and a position of the platform from a center position of a track on which the vehicle travels based on predetermined information obtained in the first to third steps. and a fourth step of calculating the horizontal distance to the edge as the home construction gauge information, that has adopted a technique called.

  For this reason, the distance information between the vehicle side end and the home side edge in the first step is the vehicle width position with respect to the center position in the vehicle width direction with respect to the track center position in the second and third steps. Since the deviation information is detected, the information related to the construction limit of the station platform can be quickly and continuously measured and collected under the same conditions as the vehicle travels. For this reason, in the fourth step, the platform It has become possible to calculate and calculate building limits with high accuracy and efficiency.

Here, as a pre-step of the first step described above, a home start end detection step of detecting the start position of the home end edge of the platform that comes close as the vehicle advances is provided. Then, based on the detection timing of the start position of the home side end detected in the home start end detection step, the start time of the home side edge measurement operation in the first step described above may be appropriately set. not good.
In this way, it is possible to set the measurement timing of the platform building limit measurement without waste according to the proximity of the platform start point, and in this respect, continuously measure the information related to the platform building limit in a short time. Work efficiency can be greatly improved.

Further, as a pre-process of the first process described above, an inter-wheel extension process is performed in which an axle length extending / contracting mechanism provided in advance on the axle portion of the vehicle is operated to extend and maintain the distance between the wheels to the full track width. It is provided not good.
Furthermore, based on the detection timing of the start position of the home side edge detected in the above-described home start end detection step, the operation timing in the above-described extension operation step between the wheels may be set (claim). 1 ).
If it does in this way, the start preparation can be rapidly performed toward the measurement start of a home side edge, and the vibration to the left and right of a vehicle is suppressed at the time of measurement of the home side edge in the 1st process. Therefore, there is an advantage that the measurement work of the home side edge can be performed quickly and efficiently, and the reliability of the measurement value can be improved.

  In addition, it is possible to detect the positional deviation in the width direction of the traveling vehicle with respect to the track center position that occurs when the track is curved, and to further increase the accuracy of calculating the platform building limit based on this. be able to.

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According to the present invention, a vehicle traveling along the platform of the station is provided with a home edge detection sensor for detecting a distance between the side end of the traveling vehicle and the home side end, and a trajectory along which the vehicle travels. A track center detection sensor for detecting information related to the center position is preliminarily equipped. The positional deviation between the track center position obtained by the track center detection sensor and the center position in the width direction of the vehicle traveling on the track is calculated, and based on the distance information collected by the home edge detection sensor A data calculation processing unit is provided for calculating and calculating the mutual distance at the horizontal position between the side end of the vehicle and the home side end. And while setting measurement operation timing with respect to each sensor mentioned above, from the track center of the traveling vehicle based on the distance information etc. which are calculated by the data calculation processing part mentioned above and the width information etc. of the vehicle specified beforehand, etc. A main calculation control unit that calculates the distance to the side edge of the platform as home limit information is provided .

  Therefore, the platform construction described above is detected by detecting the distance information between the side edge of the vehicle main body and the platform side edge and the positional deviation information of the vehicle width with respect to the center position of the vehicle width direction with respect to the track center position. Since the limit is included in the calculation, the building limit of the platform can be calculated with high accuracy, and the necessary information can be continuously collected at high speed while the vehicle is running. Enables rapid measurement of platform building limits, and in this respect can significantly increase the reliability of measurements, thus meeting the many demands required for measuring platform building limits. It is excellent in that it can.

In addition, a home start edge detection sensor is provided for detecting the start position information of the platform that is close to the vehicle as the vehicle travels. The main arithmetic control unit described above may be appropriately set the time start of operation of the home edge detection sensor described above on the basis of the timing of detection of the home start detection platform beginning position information detected by the sensor not good.
In this way, it is possible to automatically set the measurement start timing of the platform home building limit of the platform in accordance with the proximity of the home start point without waste, and in this respect, the building is continuously and quickly. Information on the limit can be measured, and the reliability of measurement values and the efficiency of measurement work can be greatly improved.

Furthermore, in the present invention, a vehicle traveling along the platform of the station is provided with a home edge detection sensor for detecting distance information between the side end of the traveling vehicle and the platform side end, and a trajectory along which the vehicle travels. A track center position detection sensor for detecting information related to the center position is preliminarily equipped. The positional deviation between the track center position obtained by the track center detection sensor and the center position in the width direction of the vehicle traveling on the track is calculated, and the vehicle side edge and the home collected by the home edge detection sensor described above are calculated. A data calculation processing unit is provided for calculating the distance between the side edge of the vehicle and the home side edge based on the distance information between the side edge. In addition, the operation timing of each sensor described above is set and the platform side described above from the track center of the traveling vehicle based on the information calculated by the data calculation processing unit described above and the vehicle width information specified in advance. A main calculation control unit that calculates and outputs the distance to the end as home building limit information is provided. The vehicle described above is equipped with an axle length expansion / contraction means that operates at a predetermined timing to extend and maintain the distance between the wheels to the full track width .

  For this reason, it is possible to continuously measure the positional deviation between the track center (track center) position and the center position in the width direction of the traveling vehicle with high accuracy, and to calculate the positional deviation information measured with high accuracy. As a result, it is possible to further increase the calculation accuracy of the platform building limit.

Further , the main arithmetic control unit described above has an extension drive control function that operates the axle length extension / contraction means described above at a predetermined timing based on information from the home start point detection sensor described above or cancels the operation thereof. and (claim 2).
In this way, it is possible to carry out the measurement work of information related to the platform building limit with high accuracy and efficiency. As a result, the measurement work of the building limit of the platform is accelerated and the measurement accuracy is further improved. There is an advantage that the reliability of the can be improved.

In addition, the vehicle described above is preliminarily equipped with an inclinometer that measures the lateral inclination of the vehicle traveling on the track, and the data calculation processing unit described above operates based on the inclination angle information obtained by the inclinometer. and it may be a structure in which an inclined operation and correction function of correcting the distance information obtained by the sensors described above (claim 3).
In this way, even if the track has a large slope (cant), the measurement work of the building limit of the home can be performed quickly and with high accuracy in the same manner as the track when there is no slope, which is highly versatile. A measuring device can be obtained.

Further, an information storage means is provided in either one of the data calculation processing section or the main calculation control section described above, and the predetermined distance information and data calculation processing section detected by the various sensors described above and the main calculation control section are provided in the information storage means. the distance information or the like calculated by the calculation control unit may be stored at a predetermined timing (claim 4).
In addition, the above-described cart portion of the vehicle is equipped with a timing signal output mechanism that rotates in response to the rotation of the axle of the cart, and the above-described data calculation processing unit is based on a command from the timing signal output mechanism. It is good also as a structure provided with the measurement timing setting function which instruct | indicates the timing of the said measurement operation to each sensor with the instruction | command from the main calculation control part mentioned above while specifying the timing of the measurement operation | movement of each sensor. (Claim 5 ).
For this reason, the measurement operation is recommended in a state where the platform side edge of the platform is carved at a predetermined interval in accordance with the timing of the measurement operation. The storage operation of the measured information in the information storage means described above is executed.

Further, after collecting the distance information by the various sensors, the main calculation control unit described above is based on the various distance information stored in the information storage unit described above, from the track center of the traveling vehicle to the side end of the corresponding platform. The horizontal distance may be calculated and output as home limit information (claim 6 ).

  In this way, not only can the data collection by the various sensors described above be performed simultaneously with the data processing and home building limit calculation, but also the data collection by the various sensors is preceded, and then the data processing and It is also possible to perform home building limit calculations and the like, which has the advantage of being able to cope with various measurement work conditions depending on the situation.

In addition, the home edge detection sensor described above is provided at both ends of the vehicle as described above, and a sensor changeover switch for selecting each home edge detection sensor according to the platform position is provided. (Claim 7 ).
In this way, even if the platform is located on either side of the traveling vehicle (for measurement), it can be dealt with by simply operating the sensor changeover switch equipped on the vehicle. There is an advantage that the construction limit measurement work can be executed more smoothly.

Further, the above-mentioned home edge detection sensor is constituted by a CCD camera to which a light cutting method using a laser light source is applied, and the above-mentioned data calculation processing unit is based on image information of the home side edge captured by the CCD camera. It is also possible to have a configuration in which a spatial distance calculation function for calculating and calculating a spatial separation distance between the home side end and the vehicle side end is provided (claim 8 ).
In this way, since information related to the home building limit can be continuously captured as image information at a predetermined timing, it is possible to obtain accurate information related to the home building limit with little influence of external noise. In this respect, there is an advantage that the reliability of the entire apparatus can be further improved.

In addition, the home edge detection sensor described above is configured by a CCD camera applying a light cutting method using a laser light source, and the data calculation processing section described above converts the image information of the home side edge portion captured by the CCD camera. Based on the spatial distance calculation function for calculating and calculating the spatial distance between the home side edge and the side end of the vehicle main body based on the home side of the platform as viewed from the vehicle main body based on the measured image information It may be configured to have a home height distance calculation function for calculating and calculating edge height information (claim 9 ).
If it does in this way, the measurement information concerning a home building limit can be measured and calculated simultaneously continuously, and therefore, the calculation processing and calculation of information on a portion having a large change concerning the home building limit can be executed more quickly. There is an advantage that it is possible to quickly specify the height distance of the edge of the platform and the horizontal distance from the center position of the track, which are limited to the home construction limit.
Further, as the vehicle described above, a rail flaw detection vehicle that performs nondestructive inspection of the rail of the traveling track may be used (claim 10 ).
In this way, the home construction gauge working simultaneously with platform NDI rail becomes possible to measure, that Do allow two complex tasks in a single vehicle traveling.

  Since this invention is comprised and functions as mentioned above, according to this, there exists the outstanding outstanding effect that the home building limit of a platform can be measured rapidly and efficiently continuously.

Hereinafter, the best mode of the present invention will be described.
FIG. 1 shows an embodiment of the present invention. The embodiment shown in FIG. 1 shows an example in which the present invention is applied to a vehicle 100 that travels on a track with no inclination to the left and right. 3 to 4 show the mutual positional relationship between the vehicle 100, the track 300, and the platform 200 when the vehicle 100 according to FIG.
1 and 3 to 4, reference numeral 101 denotes a vehicle main body (vehicle body), and reference numeral 102 denotes a carriage for holding the vehicle main body 101 and traveling. The carriage 100 and the vehicle main body 101 described above constitute a vehicle 100. 3 to 4, θ represents the inclination angle of the track 300. The track 300 in this case shows a curved track when the center of the radius of curvature is set on the platform 200 side.

[Overall schematic configuration]
1 to 4, the vehicle main body 101 includes a home edge detection sensor 1 for measuring the distance between the side edge of the vehicle main body 101 and the home edge P of the platform 200 described above, and the vehicle 100. Is provided with a track center detection sensor 3 for detecting information on the center position O of the track (track) 300 along which the vehicle travels in relation to the vehicle body 101 described above.

Furthermore, the calculating the positional deviation [Delta] S _L and the width direction of the center position of the vehicle body 101 traveling on the center position and the trajectory 300 of the track 300, which is detected by the track center detection sensor 3, the home edge described above Based on the distance information collected by the detection sensor 1, a data calculation processing unit 5 that calculates the distance A between the horizontal position between the side end of the vehicle body 101 and the home edge P facing the vehicle body 101, It is equipped in the vehicle body 101 described above.

Further, based on the distance information calculated by the data calculation processing unit 5 and the width information of the vehicle 100 specified in advance, the edge of the platform 200 described above from the center point O of the track 300 on which the vehicle 100 travels. A main calculation control unit 7 is provided for calculating and outputting the horizontal separation distance D to P as home building limit information.
Here, as shown in FIG. 1, when there is no inclination in the left-right direction on the track, the horizontal separation distance D described above is expressed by Expression D (0). Further, when the line has a horizontal inclination, the horizontal separation distance D is expressed by the equation D (θ) (see FIGS. 3 and 4).

  The platform building limit of the platform described above is actually the track on which the vehicle travels at a height distance H from the track upper surface to the upper surface of the platform 200 and a horizontal distance from the side edge P on the track side of the platform 200. It is specified by a separation distance D (0) or D (θ) to a point perpendicular to the center point O of the (line) (vertical direction). Details of the expressions D (0) and D (θ) will be described later.

  The above-described carriage 102 includes left and right wheels 21 and 22 that rotate and move on the track, and an axle 23 that connects the wheels 21 and 22. The axle 23 is equipped with axle length expansion / contraction means 30 that operates at a predetermined timing during measurement and extends and maintains the distance between the wheels 21 and 22 to the full track width, as will be described later.

(Home edge detection sensor)
As the home edge detection sensor 1 described above, in this embodiment, as shown in FIG. 1, a CCD camera 1E that captures a slit image E of reflected slit light obtained by irradiating laser slit light to the home edge P region is provided. Used (see FIG. 2). Reference numeral 1A denotes a laser light source that outputs laser slit light toward the home edge P. As shown in FIG. 1, the laser light source 1A is mounted on the upper portion of the CCD camera 1E described above.

Then, from the image information obtained by the CCD camera 1E, the position of the platform edge P of the platform 200 described above, together with the position of the upper surface and the side surface of the platform 200, is calculated by a known light cutting method. The data calculation processing unit 5 performs calculation processing and is specified. At the same time, based on the specified position information of the home edge P, the position information of the laser light source 1A and the CCD camera 1E on the vehicle body 101 specified in advance, the predetermined calculation is performed by the data calculation processing unit 5 described above. Thus, the distance A between the side surface of the vehicle main body 101 and the platform edge P of the platform 200 in the horizontal position described above and the bottom surface (which may be a floor surface) of the vehicle main body 101 are determined. The height position H _{1 at} (see FIG. 1) is calculated. In addition, you may comprise so that the calculation concerning this image processing may be performed by the main calculation control part 7 mentioned later.

On the opposite side (right side in the figure) of the vehicle main body 101, a home edge detection sensor 2 configured and functioning similarly to the case of the home edge detection sensor 1 described above is provided on the opposite side (FIG. 1). Are provided corresponding to the platform 201 on the right side). The home edge detection sensor 2 uses a CCD camera 2E that detects the reflection slit light E formed by the laser light source 2A provided separately, similarly to the laser light source 1A described above.
The vehicle body 101 described above is equipped with a changeover switch (not shown) for switching and operating the home edge detection sensors 1 and 2 according to the arrangement position of the platform 200.
As a result, it is possible to freely deal with the platforms 200 and 201 located on either the left or right side in the traveling direction of the vehicle.

  Here, as the home edge detection sensors 1 and 2, by setting an appropriate reflection plate on the platform 200 side (or 201 side), the laser light source 1A (2A) and the CCD camera 1E (2E) can be substituted. You may comprise so that a laser displacement meter may be used, respectively.

(Track center detection sensor and axle length extension / contraction means)
In the above-described axle 23 portion of the carriage 102, a deviation measurement sensor 31 for detecting a deviation ΔS between the vehicle main body 101 and the carriage, and an extension set amount ΔK of the axle 23 generated by the operation of the axle length extension / contraction means 30 are provided. An axle length measuring sensor 32 for measuring is equipped. These two sensors 31 and 32 are used for various measurement values measured even when the home building limit is measured for the track 300 having a zero cant (tilt) in the left-right direction, and particularly when the track 300 is curved. However, it is regarded as important as an information capturing sensor for correcting it as described later.

  The axle length expansion / contraction means 30 has a function of operating at a predetermined timing during measurement to extend and maintain the distance between the wheels 21 and 22 to the full track width. The axle length expansion / contraction means 30 employs an air pressure mechanism (not shown) as its drive mechanism, and the operation timing is controlled by the main arithmetic control unit 7. Thereby, as will be described later, the orbit interval R of the orbit 300 required for correcting the measurement value is always detected and specified as a predetermined value.

  In the present embodiment, the displacement measurement sensor 31 and the axle length measurement sensor 32 are each constituted by a laser displacement meter. Reference numeral 33 denotes a light reflector provided at the center point on the left and right sides of the lower surface of the vehicle main body 101. Reference numeral 34 denotes a light reflecting plate mounted on the stretched side portion of the axle 23 described above. The position deviation measuring sensor 31 and the axle length measuring sensor 32 described above constitute the track center detecting sensor 3.

  The two sensors 31 and 32 constituting the track center detection sensor 3 are mounted on the same holding plate 30 arranged along the track. Symbol S indicates a separation distance between the positional deviation measurement sensor 31 and the light reflecting plate 101a when there is no positional deviation. Symbol K also indicates the separation distance between the axle length measurement sensor 32 and the light reflecting plate 34 when there is no misalignment (before the shaft extension operation).

For example, in the present embodiment, the orbit center detection sensor 3 is handled as follows.
That is, first, based on the state where the vehicle 100 is stopped in a straight section of the track 300, it is assumed that the carriage 201 and the vehicle body 101 are centered on the track 300 in this state. The measured displacement values of the laser displacement gauges 31 and 32 are set to 0 (zero), and a displacement ΔS _L between the center of the track 300 and the center of the vehicle body is calculated based on the following equation (1). Is. The calculation of the calculation formula is performed by the data calculation processing unit 5 described above, but may be configured to be calculated by the main calculation control unit 7. The calculation result is stored in the information storage means 71 as will be described later.

ΔS _L = ΔS− (ΔK / 2) (1)
Here, ΔS: displacement amount in the left-right direction between the carriage 201 and the vehicle body 101
[Delta] K: extension displacement amount thus axle 23, the [Delta] S, [Delta] K is, for example, a zero displacement amount in the case of traveling in a straight section, therefore, the position deviation [Delta] S _L also zero in this case.

(Vehicle height measurement sensor)
For measuring the height displacement of the vehicle main body 101 from the upper surface of the track 300, the vehicle main body 101 includes two vehicle height measurement sensors 41 and 42 that are separated in the left-right direction of the vehicle main body 101 to each other. They are arranged at a predetermined interval. As each of the vehicle height measurement sensors 41 and 42, a laser displacement meter is used in the present embodiment, but another type of vehicle height measurement sensor may be used.
Each of the vehicle height measurement sensors 41 and 42 is equipped downward from the floor area of the vehicle main body 101 in this embodiment. Reference numerals 41a and 42a denote reflector members for the corresponding laser displacement meters 41 and 42, respectively. The reflecting plate members 41a and 42a are respectively mounted on the axle 23 portion of the carriage 201 described above.

Thus, first, a predetermined position of the vehicle body 101 and the carriage 102 is the height distance _{H 2} measurement up (reflector member 41a, 42a reflecting upper surface of) the predetermined position on the carriage 102 as described above it from the upper end of the track 300 specific height distance H ₃ to (reflector member 41a, the reflective upper surface of 42a) is added, so that the height distance H ₀ to the upper end of the track 300 from the floor surface of the vehicle body 101 is specified Yes.
In this embodiment, the calculation of the height distance (H ₀ = H ₂ + H ₃ ) is performed and stored in the data operation processing unit 5 described above, but is calculated and stored in the main operation control unit 7. You may comprise. In the present embodiment, the average value of the vehicle height measurement sensors 41 and 42 is used as the measurement value of the height distance H ₂ described above, but the measurement of either one of the vehicle height measurement sensors 41 or 42 is used. You may comprise so that a value may be employ | adopted.

(Track surface tilt measurement sensor)
The cart 102 described above is equipped with an inclinometer 46 as a sensor for measuring the inclination of the track surface in the left-right direction. The inclinometer 46 has a function of measuring the inclination angle in the left-right direction of the raceway surface. In this embodiment, the inclinometer 46 is mounted on the axle 23 portion of the carriage 102. Then, the inclination information of the track surface measured by the inclinometer 46 is always sent to the data calculation processing unit 5 described above. Then, the information about the inclination angle θ calculated by the data calculation processing unit 5 is sent to the main calculation control unit 7, and the main calculation control unit 7 performs the separation distance D when calculating the home building limit described above. (0) and the correction information such as the height distance H are included. In addition, when the calculation processing of the measurement information regarding the home building limit described above is executed by the data calculation processing unit 5, information related to the inclination angle θ is sent to the data calculation processing unit 5.

(Home start sensor)
Further, the above-described carriage 102 is equipped with a home start end detection sensor 51 that detects start position information of the platform 200 that is in close proximity as the vehicle 100 travels.
The main calculation control unit 7 described above is based on the start position information of the platform 200 detected by the home start end detection sensor 51, and the home edge detection sensor 1, the timing signal detection sensor 57 and the other sensors 3 described above. (31, 32), 41, 42, 46, and further, a function of appropriately setting and commanding the start of operation of each component such as the axle length expansion / contraction means 30 in cooperation with the data calculation processing unit 5 described above. Yes.

  In this embodiment, the home start end detection sensor 51 is a simple magnetic detection sensor in which a coil is wound around a casing, and is provided in the axle region of the carriage 102 described above and is always facing downward. Has been. On the other hand, the position information detected by the home start end detection sensor 51 is, for example, a predetermined position information output means (not shown) that uses magnetism preliminarily disposed in a track 100 to 200 m ahead near the station as an output medium. ) Can be collected from.

As the position information output means arranged on the side of the track 300, for example, output information from a data storage body installed in the track 300 in advance may be used. Here, this data storage body is an information storage means for exchanging predetermined information with a traveling vehicle in a non-contact manner and executing safety confirmation, etc., including information indicating the positional relationship with the station, starting kilometer distance, etc. It is configured to store at the same time.
In addition, the above-described home start edge detection sensor 51 is configured to detect the distance to the start edge of the platform by receiving reflected light from a station platform or the like using a laser displacement meter or the like. There may be.

(Measurement timing setting means)
The carriage 102 is equipped with a timing signal output mechanism 55 that regulates the operation timing of the entire apparatus. The timing signal output mechanism 55 is configured to output a predetermined operation timing (pulse signal) T corresponding to the rotation of the axle 23 of the carriage 102 (traveling speed of the vehicle 200). The encoder 56 correspondingly rotates, and a timing signal detection sensor 57 that captures a timing signal formed by the encoder 56 and sends it to the data arithmetic processing unit 5 described above.

  The operation timing signal T processed by the data calculation processing unit 5 is sent to the main calculation control unit 7 described above, and each sensor and the data calculation processing unit 5 described above in response to a command from the main calculation control unit 7. The timing of the operation and the calculation / storage are set. For this reason, the operation speed of the entire apparatus is set in accordance with the traveling speed of the vehicle 200 described above, whereby the measurement positions of the side edges of the platform 200 as the object to be measured are evenly spaced along the track. It is possible to set, and information related to the home building limit can be accurately and accurately measured.

(Signal processing system)
As described above, various kinds of information captured and collected by the various sensors 1 (or 2), 3 (31, 32), 41, 42, 46, 51, 57 are stored in the data arithmetic processing unit 5 as shown in FIG. It is sent and processed here and processed variously according to the purpose stored and required. The data calculation processing unit 5 is also provided with information storage means 71 for storing the above-described measurement data and data subjected to calculation processing, as well as calculation formulas and various necessary information.
In addition to the data calculation processing unit 5 and the information storage means 71, the various sensors 1 (or 2), 3 (31, 32), 41, 42, 46, 51, 57 described above are started, ended or temporarily. As described above, the main arithmetic control unit 7 that controls operations such as pause is provided in the data arithmetic processing unit 5.

(Data processing unit)
Among these, the data calculation processing unit 5 first performs predetermined image processing from the image information on the platform 200 collected by the home edge detection sensor 1 (or 2) described above, and position information on the home edge P. and a home position calculation function for calculating the (spatial separation distance a from the height distances H ₁ and the side surface of the vehicle body 101 from the bottom surface of the vehicle body 101).
The home location calculation function, specifically, the spatial distance for calculating a spatial separation distance A to the home-side edge P of the height distance H ₁ and the platform 200 from the bottom surface of the vehicle body 101 (or the floor) The calculation function and a home height distance calculation function for calculating the height distance H ₁ from the bottom surface of the vehicle main body 101 to the home side edge P. Here, the home position calculation function may be configured to be executed by the main calculation control unit 7 described later.

Further, the data processing unit 5 of the vehicle body 101 from the upper surface of the track 300 on the basis of the height information H ₃ of the bogie being information H ₂ and specified in advance from the vehicle height measuring sensor 41 described above floor A cart height distance calculation function for calculating a cart height distance H ₀ to the surface based on an arithmetic expression described later is provided. In this case, when specifying the information H ₂ from the vehicle height measuring sensor 41 is adapted to adopt its by calculating the average value is adopted or any one of the measurement information H ₂ as needed . Such a determination is configured to be executed based on the command from the main arithmetic control unit 7 described above.

Further, the data calculation processing unit 5 has a position shift calculation function for calculating and calculating a position shift ΔS _L between the center position of the vehicle body 101 in the left-right direction and the track center. This positional deviation calculation function is executed based on information from the track center detection sensor 3 constituted by the positional deviation measurement sensor 31 and the axle length measurement sensor 32 as described above.
Further, the data calculation processing unit 5 calculates the inclination angle θ in the left-right direction of the track 300 on which the vehicle 100 travels based on the information from the inclinometer 46 described above, and the position described above based on an arithmetic expression described later. An inclination calculation correction function for correcting the entire home building limit values D (0) and H (0) caused by the inclination while correcting the shift ΔS _L is provided.

  In this case, in this embodiment, instead of the formula D (0) and H (0) of the home building limit when there is no inclination, the calculation correction formulas D (θ) and H (θ) for correcting this in advance are used. Based on this, the home building limit when the track is inclined is calculated and calculated. For this reason, according to the present embodiment, by inputting measured values from various sensors into the correction equations D (θ) and H (θ), the home is corrected in almost the same calculation time as when there is no inclination. Since the building limit can be calculated and calculated, it is not necessary to set a correction time separately, so that there is an advantage that the correction work can be executed smoothly and efficiently.

The data calculation processing unit 5 performs a predetermined calculation based on the approach distance information to the platform 200 sent from the home start end detection sensor 51 provided in the traveling vehicle, and varies depending on the speed of the traveling vehicle. A timing for starting measurement is set to the timing signal output mechanism 55 (timing signal detection sensor 57), for example, based on a command from the main arithmetic control unit 7 while setting the timing for starting the entire operation. Thereafter, a measurement start time setting function is provided for instructing each sensor to start operation at an appropriate timing.
For this reason, in this embodiment, when approaching the platform 200, there exists an advantage that it becomes possible to start the measurement of a home building limit automatically at an appropriate timing.

Further, the data calculation processing unit 5 operates based on information from the timing signal output mechanism 55 and has a measurement timing setting function for setting the timing of the measurement operation of the entire apparatus in accordance with the traveling speed of the vehicle 200. .
Here, the measurement timing setting function is specifically specified based on a predetermined operation timing (pulse signal) T output from the timing signal output mechanism 55 (timing signal detection sensor 57) described above. ing.

In this case, in the present embodiment, the platform edge detection sensor 1 (or 2) captures image information by the light cutting method and specifies the position of the platform edge P by image processing. The operation timing is set so that the sensor 1 (or 2) is activated by ticking the vehicle 1 every 25 [cm] along the traveling direction of the vehicle 100, for example. And according to this operation timing, the timing is the data calculation processing unit 5 so that the measurement operation is also performed on each of the sensors 31, 32, 41, 42, 46 related to the measurement of the home building limit. It is supposed to be emitted from.
Here, regarding the timing of the measurement operation, in the present embodiment, the platform 200 is configured to be set in steps of a dimension other than 25 [cm] along the traveling direction of the vehicle 100. It may be set.
The home edge detection sensor 1 (or 2) may be set in increments of 5 to 10 [cm] using a laser displacement meter.

(Information storage means)
The information storage means 71 described above includes, for example, a measurement data storage unit 72 that stores all measurement data at a predetermined timing, and a calculation information storage unit that stores various calculation formulas (calculation programs) and calculation results related to the home building limit. 73, and a station information database 74 that stores in advance various types of information related to tracks and stations along the tracks and their platforms.
Among these, the following calculation formula concerning the home building limit is stored in advance in the calculation information storage unit 73.
ΔS _L = ΔS− (ΔK / 2) ………………………………… (1)
D (0) = A + (L / 2) −ΔS _L ……………………………… (2)
D (θ) = [D (0) / cos θ] + H (θ) (3)
H (0) = H ₁ + H ₂ + H ₃ ……………………………………… (4)
H (θ) = [H (0) −D (0) × tan θ] · sin θ (5)
here,
D (0): Horizontal separation distance when there is no inclination in the left-right direction of the track (see Fig. 1)
D (θ): Horizontal separation distance when there is an inclination in the horizontal direction of the track (see Fig. 3)
H (0): Vertical height distance on the track of the home edge when there is no inclination in the horizontal direction of the track H (θ): Vertical height on the track of the home edge when the track is inclined in the horizontal direction Distance A: Distance between the home edge P and the vehicle body 101 (detected by the home edge detection sensor 1)
H ₁ : Distance between the home edge P and the bottom surface F of the vehicle body 101 (height distance viewed from the vehicle side / detected by the home edge detection sensor 1)
H ₂ : Height distance between the bottom surface F of the vehicle main body 101 and the axle portion of the carriage 102: detected by the vehicle height measurement sensors 41 and 42)
H ₃ : Height distance between the upper surface of the track and the axle portion of the carriage 102 L: Width dimension of the vehicle main body 101 ΔS _L : Position shift between the center position in the left-right direction of the vehicle main body 101 and the track center ΔS: A displacement displacement in the left-right direction between the vehicle body 101 and the carriage 201 ΔK: an extension displacement of the axle 23

Here, ΔS _L is as follows at the actual site.
[1] When the vehicle 100 is displaced to the outside: ΔS _L = ΔS− (ΔK / 2)> 0 (6)
In this case, the amount by which the vehicle 100 is shifted to the outside and A is increased is corrected by decreasing the expression (2) with ΔS _L.
[2] When the vehicle 100 is displaced inward: ΔS _L = ΔS− (ΔK / 2) <0 (7)
In this case, as shown in FIG. 4, the vehicle 100 is displaced inward and A is decreased, and the decrease is corrected by increasing the expression (2) by ΔS _L.

Incidentally, the [Delta] S, [Delta] K is the zero displacement amount in a case where the vehicle 100 on a track of the straight section as described above is traveling, therefore, the position deviation [Delta] S _L also zero in this case.
This calculation is executed by the data calculation processing unit 5 based on the measurement data as described above, and the result is stored in the calculation information storage unit 73.

Here, each said arithmetic expression (1)-(5) of the data (information regarding the home building limit in this embodiment) captured and collected by the various sensors 1 (or 2) 31, 32, 41, 42, and 46 described above. ) And image processing of the image information relating to the platform 200 collected by the home edge detection sensor 1 (or 2) described above (identifying the distance of the position information H ₁ A relating to the home edge P) This may be configured to be processed by the main calculation processing unit 7 described above or other calculation processing means functioning equivalently.

(Main processing unit)
As described above, the main arithmetic processing unit 7 operates in cooperation with the data arithmetic processing unit 5 and has a function of efficiently calculating the home building limit of the platform 200. The main arithmetic processing unit 7 has an overall operation control function for controlling the operation of the entire apparatus based on various information sent from the data arithmetic processing unit 5 described above.

Specifically, when information detection from the home start end detection sensor 51 is input, the main arithmetic processing unit 7 has a function of transmitting an operation command to the sensors and the like of the entire apparatus at a predetermined timing. In addition, the measurement operation start timing and the measurement interval set based on the information from the timing signal detection sensor 57 are set, and a predetermined operation command is transmitted to each sensor.
Further, when the information related to the home building limit of the platform 200 described above is calculated, the main arithmetic processing unit 7 collects and organizes the results and the calculation progress thereof, and arranges the main arithmetic processing unit 7. It functions to display and output to a monitor (display means) 81 provided in the display. Reference numeral 82 denotes a printer that prints out calculation results and the like.

  The main processing unit 7 is also provided with an information input unit 83 for inputting various information or commands. From this information input unit 83, various information necessary for measurement of the home building limit of the platform 200 and its data processing, and predetermined operation commands to the respective sensors and the constituent means described above as required, and The information is inputted and stored in the information storage means 71 described above.

Here, the vehicle 100 described above may be configured to use a rail flaw detection vehicle that performs nondestructive inspection while traveling on the rail portion of the track 300, for example. This is illustrated in FIG. In FIG. 6, reference numeral 1 </ b> Z indicates a location where the home edge detection sensor 1 (or 2) described above is installed, and symbol BZ indicates a location where the various sensors such as the inclinometer 46 are concentrated. Reference numerals 91 and 92 denote normal traveling wheel portions of the rail flaw detection vehicle, respectively.
In this way, the home building limit of the platform 200 can be measured simultaneously with the non-destructive inspection work of the rail, and there is an unprecedented superior advantage that two complicated operations can be performed by one vehicle travel.

(Overall movement / indication)
When the vehicle 100 equipped with the device according to the present embodiment (measuring the home building limit) approaches the platform 200 as an object to be measured, first, the home start edge detection sensor 51 is activated, and information from a predetermined location on the track 300 is obtained. And distance information between the passing position and the platform 200 is input. Based on the information from the sensor 51, the data calculation processing unit 5 immediately operates and calculates the distance to the start position (home start position) of the platform side end of the adjacent platform (home start end detection step).

  Here, when the home starting end position of the platform 200 as the object to be measured is specified, the main arithmetic control unit 7 immediately operates, first the timing signal detection sensor 57 and the axle length extension / contraction means 30 are operated, and then a predetermined timing. Then, an operation command is transmitted to each of the sensors 3, 31, 32, 41, 42, 55 (57) via the data calculation processing unit 5 (so that the vehicle 100 enters the measurement state before passing the home start position). To do.

In this case, the data calculation processing unit 5 first inputs the timing information T ₀ from the timing signal detection sensor 57 and calculates the timing Tt of the measurement operation of each sensor 1, 31, 32, 41, 42. For example, the measurement timing is set at intervals of 25 [cm] on the platform. Based on this, the measurement operation of each of the sensors 1, 31, 32, 41, 42 is restricted, and the sensor 1, 31, 32, 41, 42 is instructed to start a predetermined measurement operation. Thereby, the detection operation of the position information with respect to the platform side edge P of the platform 100 is started (first step).

  On the other hand, the axle length expansion / contraction means 30 is immediately actuated by the command from the main calculation control unit 7 described above, and the wheels 21 and 22 are pressed against the track 300 side. At the same time, the position deviation measuring sensor 31 and the axle length measuring sensor 32 as the track center detecting sensor operate at substantially the same timing Tt as the above-described home edge detecting sensor 1 to detect predetermined distance information. The above-described data calculation processing unit 5 performs a predetermined calculation (comparison calculation with previously specified distance information indicating zero displacement) based on the predetermined distance information output from the sensors 31 and 32. Thereby, the center position of the orbit is specified (second step).

Subsequently, using the information related to the center position of the specified trajectory as a reference, the above-described data calculation processing unit 5 uses the information output from the sensors 31 and 32 to determine the trajectory center position O and the trajectory 300. calculated for calculated based on equation (1) described above positional deviation [Delta] S _L between the center position in the width direction of the vehicle body 101 to proceed (third step).
These measurement information and calculation information are stored in the information storage means 71 at the timing Tt described above. At the same time, based on the predetermined information obtained in each of the above-described measurement calculation steps, the data calculation processing unit 5 uses the center position O of the track 300 on which the vehicle 100 travels as a reference to the side of the platform 200 as the object to be measured. Information related to the home building limit for the edge P is calculated based on the above-described equations (2) to (3) and calculated as home building limit information (fourth step).

  Here, the vehicle height measurement sensors 41 and 42 described above operate at substantially the same timing Tt as that of the first step described above. Based on the information from each of the sensors 41 and 42, a predetermined calculation is performed in the data calculation processing unit 5 described above, whereby the height distance H of the side edge P of the platform 200 described above is calculated as described above. Calculated based on (4) to (5), specified as home building limit information, and sequentially stored in the information storage means 71 at the timing Tt described above (home height position measuring step).

For this reason, since the height distance H (0), H (θ) of the platform 200 can be specified as the home building limit information at the same time as the distance from the center position of the track to the side edge of the platform, the measurement work can be performed quickly. Can be achieved.
Information concerning these home building limits is output to the outside by the main processing unit 7.

  Thus, according to the above-described embodiment, the distance information between the side end of the vehicle body 101 and the home side edge P and the position of the center position of the vehicle width of the vehicle body 101 with respect to the center position O of the track 300. Since the deviation information ΔS is detected and used as correction information when the track 300 is inclined, information regarding the construction limit of the platform 200 of the station is continuously obtained with high accuracy while the vehicle 100 is traveling. Therefore, it is possible to quickly perform measurement work on the building limits of the platform, and to quickly and accurately calculate the collected measurement information quickly and accurately. can do.

  Further, in this embodiment, a home start end detection sensor 51 that detects the start position of the home side end edge P of the platform 200 that approaches the vehicle 100 as the vehicle 100 moves is provided, and the start position of the home side end detected by the sensor 51 is provided. Since the detection start time of the home side edge P is appropriately set in each of the above-described sensors 1, 31, 32, 41, 42, 57, etc. based on the detection timing (home start end detection step). Therefore, it is possible to set the measurement start timing of the platform building limit according to the proximity of the platform start point without waste, and in this respect, information related to the platform building limit can be measured quickly and continuously. , Work efficiency can be greatly improved.

  Further, in the present embodiment, as described above, the axle 23 portion in the carriage 102 portion of the vehicle 100 is equipped with the axle length extension / contraction mechanism 30, whereby the track center position is specified in relation to the vehicle body 101, thereby Even when the width dimension of the track 300 slightly fluctuates, it is possible to detect the positional deviation from the center position in the width direction of the traveling vehicle 100 with high accuracy, and the platform made based on this can be detected. The calculation accuracy of building limits can be further increased.

  That is, as described above, prior to the measurement operation, the axle length extending / contracting mechanism provided in advance on the axle portion of the vehicle is operated to extend and maintain the distance between the wheels to the full track width (inter-wheel extension). Process), the extension operation between the wheels is executed based on the detection timing of the start position of the home side edge detected by the home start edge detection sensor 51, and the start is started toward the start of measurement of the home side edge. Preparation can be performed quickly, and when measuring the home side edge P, not only can the position deviation be detected with high accuracy by specifying the track center position, but also the left and right vibration operation of the vehicle. Therefore, there is an advantage that the measurement work of the home side edge can be performed quickly and efficiently, and at the same time, the reliability of the measurement value can be improved.

  Further, when the track is curved along the platform 200, a horizontal position shift toward the inside or outside of the curve occurs between the vehicle body 101 and the carriage 102 side depending on the traveling speed of the vehicle. In addition, a predetermined inclination is set on the track surface in the track width direction in accordance with the curve of the track, with the intention of safe driving of the vehicle. For this reason, when the home building limit of the platform 200 is measured in such a state, an error occurs in the measurement value due to the positional deviation and the inclination of the track surface.

In order to solve such a problem, as described above, the vehicle main body 101 includes a track center that detects information related to the center position O of the track (track) 300 along which the vehicle 100 travels in relation to the vehicle main body 101 described above. A detection sensor 3 is provided. As described above, the track center detection sensor 3 is constituted by the positional deviation measurement sensor 31 and the axle length measurement sensor 32. Therefore, when the track 300 is curved, the vehicle body 101 and the carriage 102 are connected to each other. When the positional deviation occurs in the inner or outer direction, the sensors 31 and 32 function to capture the positional deviation information.
Then, as described above, these sensors perform the calculations shown in the equations (1) to (5) in the data calculation processing unit 5 described above, and the corrected measurement data relating to the home building limit is quickly and accurately calculated. It has come to be.

  For this reason, in the present embodiment, the home building limit of the platform 200 is quickly and accurately determined even when the curve of the track 300 generated when the vehicle 100 travels or the height position of the vehicle body 101 or the platform side edge P changes. It can be measured.

  Furthermore, as described above, a rail flaw detection vehicle that performs non-destructive inspection while running on rails constituting a track may be used as the vehicle in the above-described embodiment. In this way, there is an unprecedented advantage that two complicated operations can be performed by one vehicle travel.

  In the above embodiment, the above-described orbital center detection sensor 3 is exemplified by a laser displacement meter. However, the above-described main calculation is performed using a CCD camera to which an optical cutting method using a laser light source is applied. The control unit 7 may be configured to calculate and calculate an interval between the two trajectories based on position information regarding the two trajectories captured by the CCD camera.

  For buildings on both sides of the track, regardless of the type and location, it can be effectively applied to the measurement of building limits.

1 is a schematic configuration diagram illustrating an embodiment of the present invention. It is explanatory drawing which shows an example of the home edge detection sensor disclosed in FIG. It is explanatory drawing which shows an example of the use condition of FIG. FIG. 4 is an explanatory diagram showing a state when a positional deviation occurs in the vehicle main body in the state disclosed in FIG. 3. It is a block diagram which shows the signal processing system in one Embodiment of this invention, and the operation control system of each part. It is explanatory drawing which shows the example of the special vehicle equipped with the apparatus concerning one Embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1, 2 Home edge detection sensor 1A Laser light source 1E CCD camera 3 Orbit center detection sensor 5 Data calculation processing part 7 Main calculation processing part 30 Axle length expansion / contraction means 31 Misalignment measurement sensor 32 Axle length measurement sensor 41, 42 Vehicle height measurement Sensor 46 Inclinometer 51 Home start edge detection sensor 55 Timing signal output mechanism 57 Timing signal detection sensor 71 Information storage means 100 Vehicle 101 Vehicle body 102 Carriage 200 Platform 300 Track ΔS _L Left-right direction between the center position of the vehicle body and the track center Position deviation A Spacing distance (space distance between the home edge and the vehicle body)
D (0), D (θ) Horizontal separation distance H ₁ Height distance viewed from the vehicle side (distance between the home edge and the bottom surface of the vehicle body 101)
H (0), H (θ) Vertical height distance on the track of the home edge L Vehicle body width dimension O Track center position θ Track inclination angle

Claims (10)

A first step of detecting distance information between the side edge of the vehicle main body and the side edge of the home traveling along the platform of the station by a home edge detection sensor previously installed in the vehicle main body ;
A second step in which the track center detection sensor detects the center position of the track on which the vehicle travels by operating at substantially the same timing as the first step, and the data calculation processing unit 5 identifies this,
A third step in which the data calculation processing unit 5 calculates and calculates a positional deviation between the track center position and the center position of the vehicle main body traveling on the track based on the information obtained by the second step; ,
Based on predetermined information obtained in each of the first to third steps, the data calculation processing unit 5 determines the horizontal distance from the center position of the track on which the vehicle travels to the side edge of the platform. A fourth step of calculating as information ,
As a pre-process of the first step, there is provided a home start end detecting step in which a home start end detecting sensor installed in the vehicle body in advance detects the start position of the platform side end of the platform that is close as the vehicle advances. Based on the detection timing of the start position of the home side edge detected in the detection step, the start time of the home edge detection operation in the first step is set,
At the timing of detecting the start position of the platform side end of the platform in the home start end detection step, the distance between the wheels is extended to the full width of the track by operating an axle length expansion / contraction mechanism equipped in advance on the axle portion of the vehicle. A method for measuring the distance from the home, characterized in that a step of extending between the wheels to be maintained is provided . A vehicle edge traveling along the platform of the station, a home edge detection sensor for detecting a distance between a side edge of the vehicle body and a platform edge of the platform, and a center position of a track on which the vehicle travels Equipped with an orbit center detection sensor that detects information related to
Based on the distance information collected by the home edge detection sensor, the positional deviation between the track center position obtained by the track center detection sensor and the center position in the width direction of the vehicle main body traveling on the track is calculated. A data calculation processing unit is provided for calculating a distance between horizontal positions between the side edge of the vehicle body and the home side edge,
The measurement operation timing of each sensor is set, and the platform side from the track center of the traveling vehicle is determined based on the distance information calculated by the data calculation processing unit and the width information of the vehicle body specified in advance. Equipped with a main calculation control unit that calculates and outputs the horizontal distance to the edge as home building limit information,
A home start end detection sensor for detecting a starting position of a platform approaching the vehicle body as the vehicle body moves, and an axle length extending / contracting mechanism for extending and maintaining the distance between the wheels of the vehicle body to the full width of the track. Equipped with
The main arithmetic control unit operates at the detection timing when the platform start position is detected by the home start edge detection sensor and sets an operation start time of the home edge detection sensor. A home separation measuring device comprising an extension drive control function for operating the axle length extending / contracting mechanism or releasing the operation thereof . In the home away measuring device according to claim 2 ,
The vehicle body is equipped with an inclinometer that measures the lateral inclination of the vehicle traveling on the track,
Inclination for correcting the horizontal distance from the track center of the vehicle to the side edge of the platform calculated based on the inclination angle information obtained by the inclinometer and calculated as the home building limit information. Home away measuring device characterized by having a calculation correction function. In the home away measuring device according to claim 3,
Wherein while features at least either one information storage means of the data processing unit or the main arithmetic control unit, to the information storage means, said predetermined distance information and the data processing unit or main which is detected by each sensor Home away measuring apparatus characterized by being configured various distance information calculated by the calculation control unit to memorize. In the home away measuring device according to claim 4 ,
Equipped with a timing signal output mechanism that rotates in response to the rotation of the axle of the carriage on the carriage portion of the vehicle body ,
Measurement timing setting function in which the data calculation processing unit specifies the timing of the measurement operation of each sensor based on timing information from the timing signal output mechanism and instructs each sensor based on a command from the main calculation control unit g e beam away measuring apparatus characterized by comprising a. In the home away measuring device according to claim 5 ,
The main arithmetic control section, the following data detection completion by each sensor, the home the distance from the track center to the side edge of the platform of the traveling vehicle based on the various distance information stored in the information storage means Home separation measuring device characterized by having a function to calculate and output as building limit information. In the home away measuring device according to claim 5,
With equipped with the home edge detection sensor on each side of the vehicle body, in the vehicle body, characterized a sulfo that equipped with changeover switches for switching together the respective home edge detection sensor placement position of the platform Measuring device.
In the home leaving measuring device according to any one of claims 2 to 7,
The home edge detection sensor is configured by a CCD camera applying a light cutting method using a laser light source, and the data calculation processing unit is at least based on image information of a home side edge captured by the CCD camera. features and sulfo over beam away measuring device that has a spatial distance calculation function of calculating calculates a space away distance between the home side edge and side edge of the vehicle body. The home distance measuring device according to any one of claims 2 to 7,
The home edge detection sensor is constituted by a CCD camera applying a light cutting method using a laser light source,
A space in which the data calculation processing unit calculates and calculates a spatial distance between the home side edge and the side end of the vehicle body based on image information of the home side edge portion captured by the CCD camera. A home distance measuring device comprising: a distance calculating function; and a home height distance calculating function for calculating and calculating height information of the home side edge viewed from the vehicle main body based on the image information. . The home separation measuring device according to any one of claims 2 to 7 , wherein the vehicle body is a rail flaw detection vehicle that performs nondestructive flaw detection on a rail of a running track.

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