JP2013006458A - Inspection method and apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve a mobility when measuring surrounding structures relating to a traveling of a vehicle so that an aspect of operation may be excellent as well.SOLUTION: A road-rail vehicle is used in an inspection method for measuring the surrounding structures such as rails. The road-rail vehicle tows a traction-type rail measuring instrument and performs the inspection. The traction-type rail measuring instrument is mounted on a platform of the road-rail vehicle and moved to a measurement section, the measuring device is placed on the rails, and the inspection is performed while towing the instrument. Further, a measurement frame having a measuring sensor is installed under the platform of the road-rail vehicle, and the inspection is performed while traveling the road-rail vehicle on the rails. Thereby, a mobility of the inspection apparatus improves, and the time, labor, and cost for the operation can be reduced.

Description

  The present invention relates to an inspection method and apparatus for measuring the state of surrounding structures related to vehicle operation.

  For stable transportation of railways, it is necessary to measure and manage train track facilities, which are peripheral structures related to vehicle operations, such as vehicle tracks, overhead lines, and third rails for supplying electricity. Of the train track equipment, track measurement is very important. Conventionally, a measuring frame is installed on a dedicated vehicle or a dedicated towed cart, and various sensors are attached to the measuring frame to measure the track. The measurement frame for performing the orbit measurement has an important function of quickly attenuating bending vibrations generated in the balance beam and the measurement beam and maintaining the distance between the orbit measurement sensor and the orbit in a certain range. A measurement frame as described in Patent Document 1 is known as a measurement frame for detecting such a trajectory.

JP 2002-362363 A

  The measurement frame described in Patent Document 1 is installed in a dedicated vehicle (inspection vehicle) or a dedicated towed trolley, and is configured to measure a track by a sensor attached to the measurement frame. At this time, when measuring the trajectory with a dedicated vehicle (inspection vehicle), the inspection vehicle can only run on the rail, so it must travel and travel on the rail to the inspection zone, which is a very time consuming process. And needed labor. In addition, when orbit measurement is performed with a tow-type inspection device, the tow measurement device must be transported to the site by a truck or the like, and the towed vehicle travels on the rail to the inspection section in the same manner as the inspection vehicle. And had to move and required a lot of time and effort to perform the measurement work. In this way, in any case, in order to measure a specific section, it is necessary to travel on the rail from the storage location of the vehicle, so it is necessary to consider the operation status of other trains, etc. However, there was a problem of lack of convenience.

  As described above, in the track measurement method using a dedicated vehicle or a towed measurement frame, the height from the rail surface to the vehicle body under the vehicle floor is sufficient, and there is no restriction on the installation space of the measurement frame and the measurement sensor, It was possible to mount a large measurement frame and measurement sensor. On the other hand, a track-and-rail vehicle runs on the road until the railroad crossing around the measurement section, enters the track from the railroad crossing, and can run on the rail, so there is little influence on other trains, etc., good mobility, and excellent operation ing.

  However, the railroad vehicle has a small height from the rail surface under the vehicle floor to the vehicle body. Therefore, the installation of the measurement frame and the measurement sensor is limited in the installation space due to the large number of underfloor equipment of the vehicle, and the installation of the trajectory measurement device with the measurement frame as used in the conventional method is designed, It was very difficult.

  The present invention has been made in view of the above points, and it is an object of the present invention to provide a measurement method and apparatus that enhances mobility when measuring peripheral structures related to vehicle operation and is excellent in terms of operation. And

  The first feature of the inspection method according to the present invention is that the state of the surrounding structures relating to the operation of the vehicle traveling on the track is measured by causing a track-rail vehicle capable of traveling on the track and the road to enter the track. It is to measure with. This is to measure the state of a peripheral structure such as a track in a state where the measuring means is mounted on the railroad vehicle or by pulling the measuring means with the railroad vehicle. By using such a highly maneuverable track-and-rail vehicle, it is possible to obtain an excellent effect that the time, labor, and cost required for operation can be reduced.

  A second feature of the inspection method according to the present invention is that, in the inspection method according to the first feature, an orbital vehicle equipped with an inspection device for measuring the state of the surrounding structure by a measuring means is used as the track. It is to measure the state of the surrounding structure by entering the top and running on the track as it is. This is because the track-and-rail vehicle is equipped with measurement means, and the track-and-ground vehicle can be directly measured by the track-and-rail vehicle by allowing the track-and-rail vehicle to enter the track and run as it is.

  A third feature of the inspection method according to the present invention is that, in the inspection method according to the second feature, a measurement frame having a measurement sensor is mounted in a space under the loading platform of the rail vehicle. In this case, a measurement frame provided with a measurement sensor is installed in a narrow installation space under a loading platform such as a rail car. As a result, it was possible to measure the surrounding structures such as the track using a railroad vehicle with good maneuverability and excellent operation.

  A fourth feature of the inspection method according to the present invention is that, in the inspection method according to the second feature, an orbital vehicle equipped with an inspection device for measuring the state of the surrounding structure by a measuring means is used as the orbit. Measure the state of the surrounding structure by moving up the inspection device on the track, and pulling the inspection device on the track with the rail car to run on the track There is to do. This is because the inspection device equipped with the measuring means is configured to be towable and is mounted on the railroad vehicle, and when the railroad vehicle enters the track, the towable inspection device is moved onto the track. In addition, it is possible to measure peripheral structures such as a track with a measuring means by pulling it with a track and land vehicle and traveling on the track.

  A fifth feature of the inspection method according to the present invention resides in that the trajectory is measured as the peripheral structure in the inspection method according to the first, second, third or fourth. This is to measure the most important trajectory for measurement management as a peripheral structure.

  A first feature of the inspection apparatus according to the present invention is a track-rail vehicle that can travel on a track and a road, and is equipped with a measuring unit that measures the state of surrounding structures related to the operation of the vehicle traveling on the track. It consists of a railroad vehicle. This is an invention of an inspection apparatus corresponding to the inspection method described in the first feature. In the present invention, the inspection device is a concept including a railroad vehicle equipped with a measuring means.

  A second feature of the inspection device according to the present invention is that, in the inspection device according to the first feature, the rail car travels on the track as it is after entering the track. The purpose is to measure the state of surrounding structures. This is an invention of an inspection apparatus corresponding to the inspection method described in the second feature.

  A third feature of the inspection device according to the present invention is that, in the inspection device described in the second feature, a measurement frame including a measurement sensor is mounted in a space under the loading platform of the rail vehicle. This is an invention of an inspection apparatus corresponding to the inspection method described in the third feature.

  According to a fourth aspect of the inspection apparatus of the present invention, in the inspection apparatus according to the second aspect, the moving unit moves the measurement unit onto the track after the rail car enters the track. And measuring the state of the surrounding structure by pulling the measuring means after moving on the track and running on the track. This is an invention of an inspection apparatus corresponding to the inspection method described in the fourth feature.

  A fifth feature of the inspection apparatus according to the present invention resides in that the trajectory is measured as the peripheral structure in the inspection apparatus according to the first, second, third, or fourth feature. This is an invention of an inspection apparatus corresponding to the inspection method described in the fifth feature.

  According to the present invention, there is an effect that it is possible to measure a peripheral structure related to the operation of the vehicle by using a railroad vehicle which is highly maneuverable and excellent in operation.

It is a figure which shows schematic structure of the inspection apparatus which concerns on one embodiment of this invention. It is the figure which looked at schematic structure of the track-and-rail vehicle and track measuring apparatus of FIG. 1 from the lower surface. It is the figure which looked at schematic structure of the track-and-rail vehicle of FIG. 1, and a track | orbit measuring apparatus from the vehicle back (right side surface). It is a figure which shows the track-and-rail vehicle of the state which loaded the tow-type track measuring apparatus. It is a figure which shows the state from which a tow type track measuring apparatus moves on a rail from a track-and-rail vehicle. FIG. 3 is a diagram showing a connection state between a track-rail vehicle and a tow-type track measuring device on the rail. It is a figure which shows an example of the inspection apparatus which consists of a track-and-rail vehicle at the time of comprising a measurement frame on the upper side of a vehicle body frame.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a diagram showing a schematic configuration of a measurement apparatus according to an embodiment of the present invention. In this inspection device, the track-and-rail vehicle 11 is provided with a device for orbit inspection.

  The rail vehicle 11 is based on a body frame 15. A loading platform 21 is attached to the upper side of the body frame 15. A control unit 18 is attached to the upper side of the loading platform 21. Further, road running tires 12 for running on a general road and track running wheels 13 for running on a rail are attached to the lower side of the body frame 15. In the figure, the state where the track traveling wheel 13 has moved onto the rail 20 is indicated by a dotted line. The road running tire 12 and the track running wheels 13 allow the track-and-rail vehicle 11 to run on a general road and run on the rail 20 depending on the application.

  The measurement frame 14 is attached to the lower surface side of the vehicle body frame 15 via the vibration isolation structure 16. The anti-vibration structure 16 removes the influence of vibration and distortion generated from the vehicle body frame 15. The measurement sensors 17 a to 17 f measure the trajectory and are fixed to the lower surface side of the measurement frame 14. The measurement sensors 17a to 17f are constituted by a two-dimensional laser displacement sensor or the like.

  When traveling on a general road, as shown in FIG. 1, the vehicle travels using road traveling tires 12 with the track traveling wheels 13 stored. On the other hand, when moving on the rail 20 from a railroad crossing to travel on the rail 20, the track traveling wheel 13 is moved down as shown by the dotted line in FIG. At this time, the road traveling tire 12 is separated from the ground and the rail 20, and only the track traveling wheel 13 is in contact with the rail 20, so that the rail vehicle 11 can perform the track traveling by driving the track traveling wheel 13.

  The measurement frame 14 has a sufficiently rigid structure, and does not easily deform or distort. Although the measurement frame 14 has high rigidity, the measurement frame 14 is anti-vibrated on the lower surface side of the vehicle body frame 15 so that it is not easily affected by external influences such as vibration and distortion of the vehicle body frame 15 when the vehicle is traveling. It is attached via structure 16. Further, measurement sensors 17 a to 17 f are attached to the lower surface side of the measurement frame 14. The measurement sensors 17a to 17f are connected to the control unit 18 via a cable (not shown). The inspection device according to this embodiment, that is, the rail car 11 performs the track measurement (inspection) of the rail 20 using the measurement sensors 17 a to 17 f attached to the measurement frame 14. Measurement (measurement) signals measured by the measurement sensors 17a to 17f are transmitted to the control unit 18, and are automatically recorded and processed as measurement (measurement) results.

  FIG. 2 is a view of the schematic configuration of the track-and-rail vehicle and the track measuring device of FIG. 1 as viewed from below. In FIG. 2, the main body of the rail vehicle 11 and the vehicle body frame 15 are not shown. In FIG. 2, the track-and-rail vehicle 11 uses the track traveling wheel 13 and travels on the rail 20. The measurement frame 14 includes a measurement frame 14a on the right side in the traveling direction of the rail vehicle 11 and a measurement frame 14b on the left side in the traveling direction. The two measurement frames 14a and 14b are connected by the three measurement frames 14c to 14e. That is, the two measurement frames 14a and 14b are fixed in parallel and horizontally by the three measurement frames 14c to 14e. The measurement frame 14 is configured to have high rigidity by a combination of a plurality of measurement frames 14a to 14e.

  The measurement frame 14 is attached to the lower surface side of the vehicle body frame 15 and between the front and rear track traveling wheels 13. The measurement sensors 17a to 17f are attached in the vicinity of both ends of the measurement frames 14c to 14e, respectively, at equal intervals and symmetrical positions. With this arrangement, trajectory measurement can be performed using the Masaya method. Orbital measurement can be performed using the eccentric arrow method even when the arrangement cannot be made at equal intervals.

  FIG. 3 is a view of the schematic configuration of the track-and-rail vehicle and the track measuring device of FIG. 1 as viewed from the rear (right side) of the vehicle. In FIG. 3, the driver's seat portion of the rail car 11 is omitted. A state in which the measurement frame 14 is attached to the vehicle body frame 15 via the vibration isolation structure 16 is shown. The measurement sensor 17 is attached to the measurement frame 14 so as to be able to measure on the rail 20 from obliquely above.

  In the above-described embodiment, the case where the measurement sensor 17 is fixedly attached has been described. However, the present invention is not limited to this, and the measurement sensor 17 may be removable. As a result, the sensor can be prevented from becoming dirty when traveling on the road other than during trajectory measurement, and the measurement sensor 17 portion can be prevented from being damaged by the protrusion of a road (ground) or a rock by a wheel. You can also. In addition, the measurement sensor 17 may have a structure that can be easily positioned by a pin or the like in order to prevent displacement of the position due to attachment / detachment. Further, the measurement frame 14 may be configured to be automatically raised in a direction perpendicular to the vehicle body frame 15 and stored in the vehicle body of the railroad vehicle except during measurement. Thereby, the measurement frame 14 itself and the measurement sensor 17 attached thereto can be prevented from being damaged or soiled.

  The control unit 18 has a removable portable structure, is installed in the vehicle when used, and is removable from the vehicle except during measurement. Further, the track measuring device including the measurement sensor 17, the measurement frame 14, and the control unit 18 may have a structure that can be completely removed from the tracked vehicle 11 when not in use. As a result, the vehicle can be used for other work such as maintenance work except at the time of measurement, and the operability of the vehicle is improved.

  4, 5 and 6 are diagrams showing modifications of the inspection apparatus according to the embodiment of the present invention. 1 to 3, the measurement frame 14 and the measurement sensor 17 are provided on the lower surface side of the vehicle body frame 15 of the rail vehicle 11, and the case where the rail vehicle 11 itself is used as the inspection device has been described. 4 to 6, the towed track measuring device 41 is loaded on the loading platform of the tracked vehicle 11, and the tracked track measuring device 41 is placed on the rail by allowing the tracked vehicle 11 to enter from a railroad crossing or the like. The tow-type track measuring device 41 is tracked while being pulled by the track-and-rail vehicle 11.

  FIG. 4 is a diagram showing a track-and-rail vehicle loaded with a tow-type track measuring device. As shown in FIG. 4, a tow-type trajectory measuring device 41 is normally loaded on the loading platform 21 of the tracked vehicle 11. The track car 11 shown in FIG. 4 moves to the inspection section with the towed track measuring device 41 loaded. When traveling to the inspection section, the rail car 11 travels using the road traveling tire 12 with the orbital traveling wheel 13 stored on the loading platform 21 side until the nearest railroad crossing. When the railcar 11 enters the railroad crossing, the railcar 11 lowers the track traveling wheel 13 and moves onto the rail 20. From the railroad crossing to the inspection start position, the track running wheel 13 is driven to move by track running.

  FIG. 5 is a diagram illustrating a state in which the towed track measuring device moves from the track and land vehicle onto the rail. The track-and-rail vehicle 11 that has arrived at the inspection start position performs the work of lowering the tow-type track measuring device 41 mounted on the loading platform 21 onto the track (rail 20). First, as shown in FIG. 5, the slope 51 is pulled out on the rail 20 from the loading platform 21 of the rail vehicle 11 that has arrived at the inspection section, and the towed track measuring device 41 is lowered onto the track. The slope 51 is provided with a groove similar to the width of the rail 20, and the towed track measuring device 41 is lowered onto the track without detaching from the rail 20 by aligning the positions of the groove of the slope 51 and the rail 20. . Further, the slope 51 may have a structure having not only a groove but a wheel guide convex portion.

  FIG. 6 is a view showing a connection state between the track-rail vehicle and the tow-type track measuring device on the rail. As shown in FIG. 5, the towed track measuring device 41 lowered onto the track (rail 20) along the slope 51 is connected to the tracked vehicle 11 by a connector as shown in FIG. 6. A tow bar 44 is connected between the track car connecting part 42 of the rail car 11 and the towed connecting part 43 of the towed track measuring device 41. The track-and-rail vehicle 11 performs trajectory measurement while towing the tow-type trajectory measuring device 41 with a tow bar 44.

  FIG. 7 is a diagram showing an example of a measuring device composed of a track-and-rail vehicle when a measurement frame is attached to the upper side of the vehicle body frame. In FIG. 7, the measurement frame 14 of the rail vehicle 11 has a measurement frame 14 attached to the upper side of the vehicle body frame 15, and measurement sensors 17 a to 17 f that measure the track (rail 20) from the measurement frame 14 are attached. . Also in this case, a vibration isolation structure 16 is provided between the measurement frame 14 and the vehicle body frame 15.

11 ... Railway car,
12 ... road running tires,
13 ... orbital wheels,
14, 14a, 14b, 14c ... measurement frame,
15 ... body frame,
16 ... Anti-vibration structure,
17, 17a-17f ... measurement sensor 18 ... control unit,
20 ... Rail,
21 ... cargo bed,
41 ... Traction type trajectory measuring device,
42 ... Railway connecting part 43 ... traction type connecting part 44 ... towing bar,
51 ... Slope

Claims (10)

  A measuring method characterized by measuring a state of a surrounding structure related to the operation of a vehicle traveling on a track by causing a railroad vehicle capable of traveling on the track and a road to enter and travel on the track.   The inspection method according to claim 1, wherein a railroad vehicle equipped with a measurement device that measures a state of the surrounding structure by a measuring unit is entered on the track, and is allowed to travel on the track as it is. An inspection method characterized by measuring a state of a surrounding structure.   The inspection method according to claim 2, wherein a measurement frame including a measurement sensor is mounted in a space under a loading platform of the rail vehicle.   The inspection method according to claim 1, wherein a railroad vehicle equipped with a measurement device that measures a state of the surrounding structure by a measuring unit is caused to enter the track, and the measurement device is moved onto the track. An inspection method for measuring a state of the peripheral structure by pulling the inspection device on the track with the rail car and running on the track.   5. The inspection method according to claim 1, wherein the trajectory is measured as the peripheral structure.   A railroad track vehicle capable of traveling on a track and on a road, comprising a railroad vehicle equipped with a measuring means for measuring the state of surrounding structures related to the operation of the vehicle traveling on the track. .   The inspection device according to claim 6, wherein the tracked vehicle measures the state of the surrounding structure by traveling on the track as it is after entering the track. .   The inspection apparatus according to claim 7, wherein a measurement frame including a measurement sensor is mounted in a space under a loading platform of the rail vehicle.   7. The inspection device according to claim 6, wherein the rail car includes a moving unit that moves the measuring unit onto the track after entering the track, and pulls the measuring unit after moving on the track. And measuring the state of the peripheral structure by traveling on the track.   10. The inspection apparatus according to claim 6, wherein the orbit is measured as the peripheral structure.

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