JP2009133670A - Track inspection apparatus of straddling type monorail - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a capable of inspecting existence or absence of cracks and damages, and peeling and degradation of coating at an undersurface of a track beam of a straddling type monorail. <P>SOLUTION: The track inspecting apparatus of the straddling type monorail is capable of photographing the undersurface of the track beam, wherein reflective mirrors 34a, 34b are provided under the track beam C and photographing devices 14a, 14b are provided at both sides of the track beam to photograph reflected images of the track beam undersurface appearing on the reflective mirrors 34a, 34b by the photographing devices 14a, 14b. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a device for inspecting the presence or absence of cracks or damage on the surface of the track girder of a so-called straddle-type monorail, which is formed of reinforced concrete or steel and travels across a vehicle, and whether or not paint is peeled off or deteriorated.

2. Description of the Related Art Conventionally, an apparatus for detecting cracks on the surface of a track girder disclosed in Patent Document 1 below has been used, and automatic inspection is performed by mounting on a machine vehicle.
JP 2001-174413 A

  However, in the conventional detection device, only the upper surface and both side surfaces of the surface of the orbital girder can be photographed. Therefore, the detection of cracks on the upper surface and both side surfaces of the orbital girder has been automatically inspected. In fact, cracks on the underside of the track girders are still being inspected by the naked eye and inspected by the naked eye, and it is necessary to rely on human labor, and the inspection work is long-lasting and extremely inefficient. there were.

  Therefore, the inventor has invented a track inspection device that can check for cracks and damage on the lower surface of the track girder of the straddle-type monorail, and whether there is peeling or deterioration of the paint.

  The track inspection device for a straddle-type monorail according to the present invention is capable of photographing the lower surface of the track girder, and is provided with a reflecting mirror below the track girder and provided with a photographing device on the side of the track girder, The reflected image of the lower surface of the orbital girder reflected on the reflecting mirror can be photographed by the photographing device. Further, an imaging device may be provided below the lower surface of the track girder so that the lower surface of the track girder can be imaged.

  The straddle-type monorail track inspection device according to the present invention is configured as described above, so that the lower surface of the track girder can be photographed. It is possible to automatically check for paint peeling or deterioration.

  Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

  FIG. 1 is a schematic front view showing a configuration of a track inspection apparatus according to an embodiment of the present invention, and FIG. 2 is a schematic perspective view showing a state in which the track inspection apparatus according to the embodiment of the present invention is mounted on a machine vehicle. .

  1 and 2, A is a mounting frame for mounting the track inspection device on the work vehicle B. The mounting frame A is installed so as to protrude forward or rearward of the work vehicle B. The trajectory inspection device mounted on the mounting frame A includes an imaging device group, an illumination device group, and a reflecting mirror group as follows.

  The imaging device group includes an imaging device 10 for imaging the upper surface of the orbital girder C, an imaging device 11a for imaging the upper right side of the orbital beam C, an imaging device 11b for imaging the lower right side of the orbital beam C, and the left side of the orbiting beam C. An imaging device 12a for imaging the upper surface of the plane, an imaging device 12b for imaging the lower left side of the track girder C, and an imaging device 13a for imaging the right support E1 that supports the track girder C between the track girder C and the column D from the right side. Similarly, a photographing device 13b for photographing the left side support E2 supporting the orbital girder C from the left, a photographing device 14a for photographing the lower surface of the orbital girder C, which is a feature of the present invention, from the right, and a lower surface of the orbiting girder C to the left It is comprised from the imaging device 14b which image | photographs from the direction. The jagged lines in the figure indicate the shooting direction and shooting range shot by each shooting device.

  The illumination device group includes illumination devices 20a and 20b that illuminate the upper surface of the track girder C for the imaging device 10 that captures the upper surface of the track girder C, and an orbit beam for the imaging device 11a that captures the upper right side of the orbit beam C. Illumination device 21a for illuminating the upper right side of C, and illuminator 21b for illuminating the lower right side of orbital girder C for photographing device 11b for photographing the lower right side of orbital girder C. An illuminator 22a for illuminating the upper left side of the orbital girder C for the imaging device 12a, an illuminator 22b for illuminating the lower left side of the orbital girder C for the imaging device 12b for imaging the lower left side of the orbital girder C, and the orbital girder Illumination device 23a for illuminating right support E1 supporting track girder C for imaging device 13a for capturing right support E1 supporting C, and orbit beam for imaging device 13b for imaging left support E2 supporting track girder C Illuminating device 23b that illuminates the left support E2 that supports the illuminating device, and an illuminating device 24a that illuminates the lower surface of the orbital girder C from the right side for the photographing device 14a that photographs the lower surface of the orbiting girder C characterized by the present invention The illuminating device 24b illuminates the lower surface of the orbital girder C from the left side for the photographing device 14b for photographing the lower surface of the orbital beam C from the left side. Broken lines in the figure indicate the illumination direction and illumination range illuminated by each illumination device.

  By the way, the photographing device 14a for photographing the lower surface of the orbital girder C from the right side and the photographing device 14b for photographing the lower surface of the orbital girder C from the left side are installed with the photographing direction facing downward in the vertical direction. An orbiting girder for the illuminating device 24a that illuminates the lower surface of the orbital girder C from the right side for the imaging device 14a that shoots the lower surface of the orbiting girder C from the right side. The illumination device 24b that illuminates the lower surface of C from the left is also installed with the illumination direction facing downward in the vertical direction. Therefore, in order to photograph the lower surface of the orbital girder C by the photographing devices 14a and 14b and the lighting devices 24a and 24b, the following reflecting mirror group is installed.

  The reflecting mirror group includes a reflecting mirror 34a for the photographing device 14a that photographs the lower surface of the orbiting girder C from the right side and a reflecting mirror 34b for the photographing device 14b that photographs the lower surface of the orbiting digit C from the left side. ing. As shown in FIG. 1, the reflecting mirror 34a is installed so as to be inclined so that an area exceeding half of the width of the lower surface of the track girder C can be imaged by the imaging device 14a from the right of the lower surface of the track beam C. The reflecting mirror 34b is installed so as to be inclined so that a region exceeding the half of the width of the lower surface of the track girder C from the left of the lower surface of the track girder C can be imaged by the imaging device 14b.

  In addition, each said imaging | photography apparatus, each illuminating device, and each reflector are located in the imaging | photography range of each imaging | photography apparatus by shifting a position to the depth direction in FIG. 1, and changing a shooting angle to a horizontal direction. It is installed so as not to enter.

  Since the trajectory inspection device for the straddle-type monorail according to the present embodiment is configured as described above, it is possible to photograph the lower surface of the trajectory beam C by the photographing devices 14a and 14b. By installing it on the mounting frame A and mounting it on the work vehicle B as shown in Fig. 2, it is possible to automatically check for cracks and damage on the underside of the track girder and for peeling or deterioration of the paint. It becomes. Accordingly, there is an advantage that human labor is reduced, labor saving and inspection work can be shortened, and efficiency is extremely improved.

  Note that the image capturing apparatus uses a known image capturing apparatus such as a CCD camera or a digital video camera capable of computer processing as image data, and other image capturing methods and methods for processing the captured image data are disclosed in JP-A-2001-174413. The method described in detail can be used.

  FIG. 3 is a schematic front view showing a configuration of a track inspection apparatus that is Embodiment 2 of the present invention.

  In FIG. 3, A is a mounting frame for mounting the track inspection device on the work vehicle B, as in the first embodiment. The mounting frame A is installed so as to protrude forward or rearward of the work vehicle B. The trajectory inspection device mounted on the mounting frame A is provided with a photographing device group and a lighting device group as follows.

  The imaging device group includes an imaging device 110 that images the upper surface of the orbital girder C, an imaging device 111a that images the upper right side of the orbiting beam C, an imaging device 111b that images the lower right side of the orbiting beam C, and the left side of the orbiting beam C. An imaging device 112a for imaging the upper surface, an imaging device 112b for imaging the lower left side of the track girder C, and a right support E1 and a left support E2 that support the track girder C between the track girder C and the support column D from the right. A photographing device 113a for photographing the right bearing E1 and the left bearing E2 for supporting the orbital girder C from the left side, and a photographing device 114a for photographing the lower surface of the orbiting girder C characterized by the present invention from the lower right. The photographing device 114b photographs the lower surface of the orbital girder C from the lower left. The jagged lines in the figure indicate the shooting direction and shooting range shot by each shooting device.

  The illumination device group includes illumination devices 120a and 120b that illuminate the upper surface of the track girder C for the image capturing device 110 that captures the upper surface of the track girder C, and a track girder for the image capturing device 111a that captures the upper right side of the track girder C. Illumination device 121a for illuminating the upper right side of C and an imaging device 111b for photographing the lower right side of orbital girder C. Illumination device 121b for illuminating the lower right side of orbital beam C and upper left side of orbital beam C are photographed. Illumination device 122a for illuminating the upper left side of the track girder C for the imaging device 112a, illumination device 122b for illuminating the lower left side of the track girder C for the imaging device 112b for imaging the lower left side of the track girder C, Photographing the illumination device 123a for illuminating the right support E1 supporting the track girder C and the left support E2 supporting the track girder C for the imaging device 113a for photographing the right support E1 supporting the C The illumination device 123b that illuminates the left support E2 that supports the track girder C for the device 113b, and the lower surface of the track girder C for the photographing device 114a that photographs the lower surface of the track girder C, which features the present invention, from the lower right. An illuminating device 124a for illuminating from the lower right side and an illuminating device 124b for illuminating the lower surface of the orbiting girder C from the lower left for the photographing device 114b for photographing the lower surface of the orbiting girder C from the lower left. Broken lines in the figure indicate the illumination direction and illumination range illuminated by each illumination device.

  In addition, each said imaging | photography apparatus, each illuminating device, and each reflector are located in the imaging | photography range of each imaging | photography apparatus by shifting a position to the depth direction in FIG. 1, and changing a shooting angle to a horizontal direction. It is installed so as not to enter.

  Since the trajectory inspection device for the straddle-type monorail according to the present embodiment is configured as described above, it is possible to photograph the lower surface of the track girder C from below by the photographing devices 114a and 114b. By installing the apparatus on the mounting frame A and mounting it on the work vehicle B, it is possible to automatically check for cracks and damage on the lower surface of the track girder and for peeling or deterioration of the paint. Accordingly, there is an advantage that human labor is reduced, labor saving and inspection work can be shortened, and efficiency is extremely improved.

  Note that the image capturing apparatus uses a known image capturing apparatus such as a CCD camera or a digital video camera capable of computer processing as image data, and other image capturing methods and methods for processing the captured image data are disclosed in JP-A-2001-174413. The method described in detail can be used.

It is a schematic front view which shows the structure of the track inspection apparatus which concerns on Example 1 of this invention. It is a schematic perspective view which shows the state which mounted the track inspection apparatus which concerns on Example 1 of this invention on the work vehicle. It is a schematic front view which shows the structure of the track inspection apparatus which concerns on Example 2 of this invention.

Explanation of symbols

A ... Frame for mounting B ... Machine tool C ... Monorail track girder D ... Monorail column E1 ... Right bearing that supports the track beam between the track beam and column E2: Left support that supports the track girder between the track girder and the support column 10 ... Imaging device 11a for photographing the upper surface of the track girder 11a. An imaging device for photographing the lower right side of the orbit 12a .. an imaging device for photographing the upper left side of the orbital girder 12b. An imaging device for imaging the lower left side of the orbiting girder 13a. 13b ··· An imaging device for photographing the left side support from the left side 14a · · An imaging device for imaging the lower surface of the orbital girder from the right side 14b · · An imaging device for imaging the lower surface of the orbital girder from the left side 20a · · Lighting equipment 20b ··· Lighting device for illuminating the upper surface of the track girder 21a · · Lighting device for illuminating the upper right side of the track girder 21b · · Lighting device for illuminating the lower right side of the orbit beam 22a · · Lighting device for illuminating the upper left side of the orbit beam 22b .. Illumination device illuminating the lower left side of the track girder 23a .. Illumination device illuminating the right support E1 supporting the track girder 23b .. Illumination device illuminating the left support E2 supporting the track girder 24a. Illumination device illuminating from the side 24b. Illumination device illuminating the lower surface of the orbital girder from the left side 34a. Reflector 34b for the imaging device for photographing the lower surface of the orbital girder from the right side 34b. Reflector 110 for photographing device 110. Photographing device 111a photographing upper surface of orbital girder Photographing device 111b photographing upper right side of orbital girder Photographing lower right side of orbital girder Photographing device 112a, photographing device for photographing the upper left side of the orbital girder 112b, photographing device for photographing the lower left side of the orbiting girder 113a, photographing device for photographing the right support from the right 113b, photographing the left support from the left An imaging device 114a, an imaging device for imaging the lower surface of the orbiting girder from the lower right side, an imaging device 114b, an imaging device for imaging the lower surface of the orbiting girder from the lower left side, an illumination device for illuminating the upper surface of the orbiting beam 120b, an illuminating device for illuminating the upper surface of the orbiting beam 121a-Lighting device for illuminating the upper right side of the track girder 121b-Lighting device for illuminating the lower right side of the track girder 122a-Lighting device for illuminating the upper left side of the track girder 122b-Lighting device for illuminating the lower left side of the track girder 123a Lighting device 123b illuminating the right bearing E1 supporting the track girder 123b Lighting device 124a illuminating the left bearing E2 supporting the track girder An illumination device that illuminates the bottom surface of the illumination device 124b · orbit digits to illuminate the lower surface of the digit from right below the lower left

Claims (2)

  A straddle characterized in that a reflecting mirror is installed below the orbital girder, a photographing device is provided on the side of the orbiting girder, and a reflected image of the lower surface of the orbiting girder reflected on the reflecting mirror can be photographed by the photographing device. Seat-type monorail track inspection device.   A straddle-type monorail track inspection device characterized in that an imaging device is provided below the track girder lower surface so that the lower surface of the track girder can be photographed.

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