JP2015083418A - Traction vehicle for track measurement - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable a traction vehicle to measure a track with a gauge of 1435 (mm) or a gauge of 1067 (mm) by a versine method or an eccentricity method with a measurement chord of 5 (m), and further to be transported by land with a cargo truck or the like.SOLUTION: The top of a normal truck frame is provided with first and second basic frames 31L, 31R from a hollow square material to make upward, downward, rightward, and leftward deformations as little as possible in a longitudinal direction of the truck frame, so that measurement precision of laser displacement detectors 51-56 can be improved by suppressing displacement while retaining the rigidity of the truck frame. Additionally, a traction vehicle for track measurement by a versine method or an eccentricity method with a measurement chord of 5 (m) that can be transported by land with a cargo truck or the like by providing two basic frames 31L, 31R, and by providing beams 307-310, 407-409 and outer frames 301-306, 401-406 that are required minimum for them.

Description

  The present invention relates to a track inspection tow vehicle that measures the state of surrounding structures related to vehicle operation, and more particularly to a track inspection tow vehicle that can be mounted on a loading platform such as a truck and transported.

  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. In the past, various sensors were attached to the frame of a dedicated track inspection towing vehicle to measure the track. The thing of patent document 1 is known as a thing regarding the tow | pulling type track | orbit inspection vehicle for inspecting such a track | orbit.

JP 2003-237576 A

  The one described in Patent Document 1 is a track-type simple track inspection vehicle with a structure equivalent to a hand-held simple and light-weight track inspection vehicle with a measurement string length of 2.5 [m] or less. The measuring unit is provided independently of the body base of the towed track inspection vehicle, coupled to the body base via a connecting rod and pulled to this, and the track detection unit is easily railed by the lifting mechanism. The trajectory inspection unit can be transported by a truck or the like in a forward state after being lifted from the rail.

  The thing of patent document 1 is comprised by the frame frame corresponded to the hand-push type simple and lightweight track inspection vehicle whose measurement string is 2.5 [m] or less. The frame frame to which various sensors are attached has an important function of quickly attenuating bending vibrations generated in the beams constituting each frame frame and maintaining the distance between the track measurement sensor and the track within a certain range. However, since the towed track inspection vehicle described in Patent Document 1 has a simple and lightweight frame structure, it is difficult to mount various sensors on the frame frame while satisfying such requirements. In addition to the trajectory of the gauge 1435 [mm], the gauge 1067 [mm] as well as the trajectory of the measuring string 5 [m] is required to be measured by the Masaya method. It was difficult to cope with the track inspection and light vehicle. In addition, in order to transport the tow-type trajectory inspection vehicle of the measuring string 5 [m] by the truck or the like, it is necessary to keep the width within the width of the loading platform such as a truck, which is difficult at present. Was in the situation.

  The present invention has been made in view of the above points, and can measure the trajectory of the gauge 1435 [mm] or the gauge 1067 [mm] by the positive arrow method or the eccentric arrow method of the measurement string 5 [m]. Further, an object of the present invention is to provide a trajectory inspection towing vehicle that can be transported by truck or the like.

The first feature of the tow vehicle for track inspection according to the present invention is the laser displacement detection provided for each of the rails before, during and after the traveling direction of the bogie frame towed along the rail. In a trajectory inspection towing vehicle for measuring the displacement of the rail using a measuring instrument, it is composed of a long hollow square member parallel to the rail, and is either vertically or horizontally with respect to the longitudinal direction of the hollow square member. Two first and second basic frame means made of a material having a high rigidity so as to be less bent in the direction, and a direction perpendicular to the longitudinal direction of the first and second basic frame means First to third beam means coupled to the first and second basic frame means corresponding to positions before, after, and after the laser displacement detector is provided, Longitudinal direction of the first and second basic frame means 4th to 7th beams which are long in the vertical direction and are coupled to the first and second basic frame means corresponding to the positions sandwiching the front and rear axles of the trajectory measuring tow vehicle, respectively. Beam means, first and second outer frame means provided so that inner wall surfaces are respectively coupled to both end portions of the first to fourth beam means, and the first and second outer frames. The third and fourth outer frame means, which are coupled to both ends of the means to form a first cart frame having a quadrangular shape, and inner wall surfaces at both ends of the fifth to seventh beam means, respectively. Are connected to both end portions of the fifth and sixth outer frame means to form a second cart frame having a quadrangular shape. The seventh and eighth outer frame means are provided.
In the present invention, first and second basic frame means are provided from a hollow square member at the upper part of a normal carriage frame, and the displacement of the carriage frame in the longitudinal direction in the longitudinal direction is reduced as much as possible and the rigidity is maintained while maintaining the rigidity. By suppressing this, the measurement accuracy of the laser displacement detector can be improved. In particular, if the measurement string is about 2.5 [m], it can be sufficiently handled by increasing the rigidity of the entire bogie frame, but if the measurement string is 5 [m], the entire bogie frame If the rigidity is increased, the shape and weight of the vehicle itself will be significantly increased, and it will not be possible to transport by land on a truck or the like. Therefore, by providing two basic frame means as in the present invention, and providing the minimum necessary beam means and outer frame means for the basic frame means, the positive arrow method of the measuring string 5 [m] that can be transported by land on a truck or the like. Alternatively, an eccentric arrow method trajectory inspection towing vehicle can be configured.

  A second feature of the trajectory inspection tow vehicle according to the present invention is the trajectory inspection tow vehicle according to the first feature, wherein the first to seventh beam means and the third, fourth, A plurality of auxiliary beam means are provided so as to couple the inner wall surfaces facing each other of the seventh and eighth outer frame means. This increases the rigidity of the entire carriage frame by joining the inner wall surfaces of the beam means and the outer frame means that are elongated in the direction perpendicular to the longitudinal direction of the first and second basic frame means. It is what I did.

  A third feature of the trajectory inspection tow vehicle according to the present invention is the trajectory inspection tow vehicle according to the first or second feature, wherein the laser displacement detector is the first to third beams. It exists in each being provided in the lower surface side of the means. This is because the laser displacement detector is provided on the first to third beam means that are least affected by the bending or the like so that the bending or the like does not affect the laser displacement detector as much as possible.

  A fourth feature of the trajectory inspection tow vehicle according to the present invention is the trajectory inspection tow vehicle according to the first, second or third feature, wherein the first bogie frame and the second bogie frame A point detector provided so as to be able to enter and exit in a direction perpendicular to the traveling direction is provided between the carriage frame. This is because a point detector is provided between the first bogie frame and the second bogie frame so as to be able to enter and exit in a direction perpendicular to the traveling direction, thereby measuring the trajectory with a gauge of 1435 [mm]. The tow vehicle for trajectory inspection is capable of being transported by land on a truck or the like.

  A fifth feature of the trajectory inspection tow vehicle according to the present invention is the trajectory inspection tow vehicle according to the first, second, third or fourth feature, wherein the laser displacement detector is a measuring string. It exists in arrange | positioning so that a 5 [m] positive arrow method or an eccentric arrow method may test. This is a configuration in which the carriage frame of the present invention is optimally configured to perform the measurement by the positive arrow method or the eccentric arrow method of the measurement string 5 [m], and therefore, the laser displacement detector is arranged accordingly. .

  According to the present invention, a trajectory with a gauge of 1435 [mm] or a gauge of 1067 [mm] can be measured by a positive arrow method or an eccentric arrow method of a measurement string 5 [m] using a trajectory measuring tow vehicle. There is an effect that the tow vehicle for trajectory inspection can be transported by land on a truck or the like.

It is a perspective view which shows the external appearance structure of the tow vehicle for a track inspection. It is a figure which shows the outline of the tow vehicle for track | orbit inspections carrying the inspection apparatus of FIG. 1 seeing from an upper side. It is a perspective view which shows the detailed structure of the trolley | bogie frame of FIG.1 and FIG.2.

  Hereinafter, a tow vehicle for track inspection according to the present invention will be described with reference to the drawings. FIG. 1 is a perspective view showing an external configuration of a track inspection tow vehicle. The track inspection tow vehicle 20 includes a carriage frame 30 that travels on two parallel traveling rails 10 </ b> L and 10 </ b> R, and a vehicle exterior cover 40 that includes a roof mounted on the top of the carriage frame 30. The On the bogie frame 30, devices for inspection are mounted. In FIG. 1, illustration of these inspection devices is omitted. Details of the carriage frame 30 will be described later.

  FIG. 2 is a diagram showing an outline of a track inspection tow vehicle equipped with the inspection device of FIG. 1 as viewed from above. In FIG. 2, the details of the outer cover, the outer frame frame and the beam constituting the bogie frame are not shown. The track inspection tow vehicle 20 travels on two parallel traveling rails 10L and 10R via four wheels 21R, 21L, 22R, and 22L provided at both ends of two axles 21 and 22, respectively. It is configured as follows. The track inspection towing vehicle 20 includes a track inspection device 60 that performs calculations of wear, left and right height, left and right, gauge, level, and flatness, and a gyro device that measures the inclination of the track detection tow vehicle 20. 70 is mounted. Other power supply devices are also mounted, but their illustration is omitted.

  Laser displacement detectors 51 to 56 for measuring the traveling rails 10L and 10R are respectively arranged below the basic frames 31L and 31R that constitute a part of the bogie frame 30 of the track inspection tow vehicle 20. ing. Three laser displacement detectors 51 to 56 are arranged along the traveling rails 10L and 10R so that they can be measured by the positive arrow method of the measurement string 5 [m]. Detection signals from the laser displacement detectors 51 to 56 are configured to be supplied to the trajectory inspection device 60 via signal lines (not shown). The distance pulse generator 80 is provided at the end of the axle 21 and generates a pulse corresponding to the moving distance of the track detection towing vehicle 20 and sends it to the track detection device 60 via a signal line (not shown). Output.

  Between the two basic frames 31L and the basic frame 31R constituting a part of the carriage frame 30, an outer frame frame, a beam and the like considering the rigidity of the entire vehicle are provided to form a frame structure. Yes. The detailed configuration of this frame structure will be described later. The trajectory inspection tow vehicle 20 uses the laser displacement detectors 51 to 56 that can be measured by the positive arrow method of the measurement string 5 [m] in order to calculate left and right heights and left and right streets. Are arranged at six locations respectively in front, rear, middle, and rear. The laser displacement detectors 51 to 56 are installed obliquely inclined by a predetermined angle θ from the upper side on the inner track side and the outer track side, respectively, and measure the traveling rails 10L and 10R.

  The laser displacement detectors 51 to 53 are arranged on the same straight line in parallel with the traveling rail 10L and at equal intervals of 2.5 [m]. The laser displacement detectors 54 to 56 are arranged on the same straight line in parallel with the traveling rail 10R and at equal intervals of 2.5 [m]. The trajectory inspection device 60 performs each calculation of wear, left and right height, left and right, gauge, level, and flatness based on the detection signals from the laser displacement detectors 51 to 56 and the signal from the gyro device 70. The various data described above are stored in a storage device (not shown).

  FIG. 3 is a perspective view showing a detailed configuration of the bogie frame of FIGS. 1 and 2. The carriage frame 30 is configured by beams and outer frame frames formed in a lattice pattern with respect to the two basic frames 31L and 31R. The basic frames 31L and 31R are formed of a relatively rigid hollow square member that is less likely to bend in the vertical and horizontal directions with respect to the longitudinal direction (vehicle traveling direction). The carriage frame 30 is constituted by carriage frames 30a and 30b provided in the longitudinal direction. The cart frames 30a and 30b are composed of a plurality of beams and outer frame frames.

  The carriage frame 30a is composed of outer frame frames 301 to 306, beams 307 to 310, auxiliary beams 311 to 319, and connecting beams 320 and 321. The carriage frame 30b is composed of outer frame frames 401 to 406, beams 407 to 409, and auxiliary beams 410 to 416. The outer frame frames 301 to 306 form a rectangular outer frame of the carriage frame 30a. The outer frame frames 401 to 406 form a rectangular outer frame of the carriage frame 30b. The beams 307 to 310 connect the inner wall surfaces of the outer frame frames 301 and 302 of the carriage frame 30a, respectively. The beams 407 to 409 respectively connect the inner wall surfaces of the outer frame frames 401 and 402 of the carriage frame 30b.

  The auxiliary beams 311 to 313 connect the outer frame frame 303 of the carriage frame 30a and the inner wall surfaces of the beam 307, respectively. The auxiliary beams 410 to 412 are the inner wall surfaces of the outer frame frame 403 and the beam 407 of the carriage frame 30b, the auxiliary beams 314 and 315 are the inner wall surfaces of the beams 307 and 308, and the auxiliary beams 316 and 317 are the beam 308. 309, the auxiliary beams 318 and 319 are the inner walls of the beams 309 and 310, the auxiliary beams 413 and 414 are the inner walls of the beams 407 and 408, and the auxiliary beams 415 and 416 are the beams. The inner wall surfaces 408 and 409 are coupled to each other.

  The connecting beams 320 and 321 respectively connect the inner wall surfaces of the beam 310 of the carriage frame 30a and the beam 409 of the carriage frame 30b. The outer frame frame 304 of the carriage frame 30a and the outer frame frame 404 of the carriage frame 30b are respectively coupled to the outer wall surface of the connection beam 320, and the outer frame frame 305 of the carriage frame 30a and the outer frame frame 405 of the carriage frame 30b are connected to each other. The beams 321 are respectively coupled to the outer wall surface. Further, the outer frame frame 306 of the bogie frame 30a and the outer frame frame 406 of the bogie frame 30b join the inner wall surfaces of the connecting beams 320 and 321, respectively. The lower surfaces of the basic frames 31L and 31R are firmly coupled to the upper surfaces of the beams 307 to 310 and 407 to 409 by welding means or the like. It is preferable to use a welding joining means as a joining means for the above-mentioned members, but other than this, it may be firmly joined using a fastening member such as a bolt.

  Although not shown in FIG. 3, laser displacement detectors 51 to 56 are respectively provided below the beams 307, 310, and 407 coupled to the basic frames 31L and 31R. The laser displacement detector 51 is installed on the lower surface side of the beam 307 between the basic frame 31L and the outer frame frame 301. The laser displacement detector 52 is installed on the lower surface side of the beam 310 between the basic frame 31L and the outer frame frame 301. The laser displacement detector 53 is installed on the lower surface side of the beam 407 between the basic frame 31L and the outer frame frame 401. The laser displacement detector 54 is installed on the lower surface side of the beam 307 between the basic frame 31R and the outer frame frame 302. The laser displacement detector 55 is installed on the lower surface side of the beam 310 between the basic frame 31 </ b> R and the outer frame frame 302. The laser displacement detector 56 is installed on the lower surface side of the beam 407 between the basic frame 31 </ b> R and the outer frame frame 402.

  In FIG. 3, reinforcement plates 322 and 323 to which a bearing box for the axle 21 is attached are provided on the lower surface side of the outer frame frames 301 and 302 between the beams 308 and 309, respectively. Reinforcing plates 324 and 325 to which a bearing box for the axle 22 is attached are provided on the lower surface side of the outer frame frames 401 and 402 between the beams 408 and 409, respectively. The reinforcing plates 322 to 325 are tapered so as to incline toward the outer frame frames 301, 302, 401, and 402, respectively, toward the beams 307 and 407. As a result, the flexural rigidity of the outer frame frames 301, 302, 401, 402 and the beams 308, 309, 408, 409 can be enhanced. Although not shown, the L-shaped steel is welded and joined along the upper and lower surfaces of the outer frame frames 301, 302, 401, and 402 where the reinforcing plates 322 to 325 are attached, thereby further rigidity. Is reinforced. In addition, the shape of the reinforcing plates 322 to 325 is an example, and other rectangular shapes may be used. Moreover, you may provide a reinforcement board and / or L-shaped steel in the lower surface side of another beam.

  Although not shown in FIGS. 2 and 3, the space between the bogie frame 30a and the bogie frame 30b, that is, the space between the outer frame frame 304 and the outer frame frame 404, and the outer frame frame 305 and the outer frame frame. In the space between 405, the point detector 25 is provided so as to be able to enter and exit in the direction perpendicular to the traveling direction. FIG. 1 shows a state in which the point detector 25 protrudes in the vertical direction so that the point can be detected. Therefore, when the trajectory inspection tow vehicle 20 is transported by land on a truck or the like, the point detector 25 is inserted therein so that the lateral width of the trajectory inspection tow vehicle 20 can be reduced to a size that can be transported by land. .

  Although not shown in FIG. 3, the trajectory inspection device 60 and the gyro device 70 are arranged near the center between the beams 309 and 310. The other generators are arranged near the center between the beam 310 and the outer frame 306, and the uninterruptible power supply is arranged near the center between the beams 308 and 309.

10L, 10R ... Traveling rail 20 ... Trajectory inspection towing vehicles 21, 22 ... Axles 21L, 21R, 22L, 22R ... Wheels 25 ... Point detectors 30, 30a, 30b ... Bogie frames 301-306, 401-406 ... Outside Frame frames 307 to 310, 407 to 409 ... Beams 311-319, 410-416 ... Auxiliary beams 31L, 31R ... Basic frames 320, 321 ... Connection beams 322-324 ... Reinforcing plates 40 ... Exterior covers 51-56 ... Laser displacement detection Device 60 ... orbit inspection device 70 ... gyro device 80 ... distance pulse generator

Claims (5)

Trajectory inspection in which the displacement of the rail is measured using a laser displacement detector provided for each of the rails before and after the traveling direction of the carriage frame towed along the rail. For towing vehicles,
It is composed of a long hollow square member parallel to the rail, and is composed of two rigid materials that are less rigid in the vertical and horizontal directions with respect to the longitudinal direction of the hollow square member. First and second basic frame means;
Beams elongated in the direction perpendicular to the longitudinal direction of the first and second basic frame means, and the first and second positions correspond to positions before, after, and after the laser displacement detector is provided. First to third beam means coupled to the basic frame means;
The first and second basic frame means are beams elongated in a direction perpendicular to the longitudinal direction of the first and second basic frame means, and correspond to positions where the front and rear axles of the trajectory measurement towing vehicle are respectively sandwiched. Fourth to seventh beam means coupled to the second basic frame means;
First and second outer frame means provided so that inner wall surfaces are respectively coupled to both end portions of the first to fourth beam means;
Third and fourth outer frame means that form a first cart frame having a quadrangular shape by being coupled to both ends of the first and second outer frame means, respectively.
Fifth and sixth outer frame means provided so that inner wall surfaces are respectively coupled to both end portions of the fifth to seventh beam means;
7th and 8th outer frame means which are combined with the both ends of the 5th and 6th outer frame means, respectively, and form the square 2nd bogie frame together. Tow vehicle for track inspection. In the tow vehicle for track inspection according to claim 1,
A plurality of auxiliary beam means provided so as to respectively connect the inner wall surfaces facing each other of the first to seventh beam means and the third, fourth, seventh and eighth outer frame means; A tow vehicle for trajectory inspection characterized by this. In the tow vehicle for track inspection according to claim 1 or 2,
A tow vehicle for track inspection, wherein the laser displacement detector is provided on the lower surface side of each of the first to third beam means. In the tow vehicle for track inspection according to claim 1, 2, or 3,
A trajectory inspection traction comprising a point detector provided between the first carriage frame and the second carriage frame so as to be able to enter and exit in a direction perpendicular to the traveling direction. vehicle. In the tow vehicle for trajectory inspection according to claim 1, 2, 3, or 4,
A tow vehicle for trajectory measurement, wherein the laser displacement detector is arranged so as to perform measurement by a positive arrow method or an eccentric arrow method of a measurement string 5 [m].

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