JP6155227B2 - Bridge inspection device - Google Patents

Description

  The present invention relates to an inspection device for inspecting the situation of pipes and the like arranged on the lower surface of a bridge, and in particular, an inspection device for photographing and inspecting a place that is difficult to visually inspect directly on a bridge with a video camera or the like. About.

  Conventionally, as an apparatus for inspecting the lower surface of a bridge, an invention described in Patent Document 1 below has been made. The bridge inspection device described in Patent Document 1 is attached to a base arm that is supported by a carriage that can move on a bridge and has a distal end overhanging outward from the side of the bridge, and a distal end of the base arm. A rod holder that holds the vertical rod so that it can be raised and lowered and pivoted about a vertical axis, a horizontal arm that extends in the horizontal direction with an intermediate portion fixed to the lower end of the vertical rod, and one on the horizontal arm And a balance weight attached to the other side, a lifting device for raising and lowering the horizontal arm, and a display device for displaying a photographed image of the camera.

JP 2010-209666 A

  However, the bridge inspection device described in Patent Document 1 includes a base arm that overhangs and projects to the outside of the side of the bridge, but a vertical rod is attached to the tip of the base arm, and the vertical inspection is performed. Since the lower arm of the rod is equipped with a horizontal arm with a camera attached, if the height of the bridge railing is higher than the height of the tip of the horizontal arm, the tip of the base arm with these instruments attached It was quite difficult to get the part over the railing of the bridge and project outside the side of the bridge.

  Therefore, the present inventor has intensively studied and devised a bridge inspection device that can be easily installed on the bridge site.

A first bridge inspection device according to the present invention includes a vertical base shaft erected in a vertical direction, a horizontal base that is attached in a horizontal direction with respect to the vertical base shaft, and whose one end side is rotatable upward from the horizontal direction. A shaft, a guide plate that is attached to a side surface of the horizontal base shaft and has an arc-shaped guide hole, the horizontal base shaft rotates and rotates, and the guide hole slides, and is screwed onto the vertical base shaft. A horizontal base shaft fixing bolt for fixing the guide plate by screwing into the vertical base shaft and fixing the horizontal base shaft at an appropriate angle with respect to the vertical base shaft, and above the horizontal base shaft. Inspection means having a photographing function attached to the rotatable side, and a monitor attached to the vertical base shaft and displaying an image photographed by the inspection means. And butterflies.

  The second bridge inspection apparatus according to the present invention is a movable carriage and a detachable one on the side of the horizontal base shaft on the side where the inspection means for the horizontal base shaft is provided in addition to the configuration of the first bridge inspection apparatus. A base part that is freely attached and has a circular groove in the vertical direction and has a bolt hole formed in the side wall part thereof, and the carriage is attached to and detached from the side opposite to the side where the base part is attached. The balance weight for the carriage, which is freely attached, and a polygonal cross section that can be fitted into the circular concave groove of the base portion, and the top portion is positioned on the lower surface of the intermediate position of the horizontal base shaft to support the horizontal base shaft. A vertical base shaft, a vertical base shaft fixing bolt for fixing the vertical base shaft fitted into a circular concave groove of the base portion by screwing into a bolt hole in a side wall portion of the base portion, and the water In the base axis, characterized in that a horizontal base-axis balance weight which is at the other end detachably attached is opposite to the one end provided with inspection means.

  A third bridge inspection device according to the present invention is, in addition to the configuration of the first bridge inspection device, the inspection means, on one end side that is rotatable above the horizontal base shaft, via a shaft coupling, It is rotatable about the length direction and can be fixed at an appropriate position, can be slid in the length direction and can be fixed at an appropriate position, and is detachably attached. Possible vertical rod, vertical rod rotation operation handle provided on the upper part of the vertical rod, and the lower end of the vertical rod can be rotated about the length direction through a rod joint and fixed at an appropriate position. A horizontal rod that is slidable in the lengthwise direction and is detachably attached so that it can be fixed at an appropriate position, and is itself extendable and retractable at an appropriate position, and is attached to one end of the horizontal rod. A photographic apparatus, mounted to the other end of the horizontal rod, characterized in that a balance weight for a horizontal rod that holds the horizontal of the horizontal rod.

  By configuring as described above, the bridge inspection device according to the present invention can easily and quickly inspect the lower surface of the bridge, is lightweight and compact, has simple installation work such as assembly work and crossing the balustrade, and has a small installation space. Only a small amount is required, and the manufacturing cost is low.

It is a front view which shows the bridge inspection apparatus which concerns on the Example of this invention. It is a side view which shows the bridge inspection apparatus which concerns on the Example of this invention. It is a top view which shows the bridge inspection apparatus which concerns on the Example of this invention. It is a perspective view which shows the state which attaches a vertical base axis | shaft to a trolley | bogie. It is a perspective view which shows the state which attaches a vertical rod to a horizontal base axis | shaft. It is a perspective view which shows the state which attaches a horizontal rod to a vertical rod. It is a perspective view which shows the bridge inspection apparatus which concerns on the Example of this invention.

  1 to 3 shows an example of a bridge inspection apparatus according to the present embodiment. The bridge inspection apparatus A is a vertical base shaft 20 and a horizontal pivotable upward installed at the top of the vertical base shaft 20. A base shaft 30, an inspection means 40 having a photographing function installed at one end of the horizontal base shaft 30 and a monitor 50 for displaying a photographed image obtained by the inspection means 40. . In the figure, B indicates a bridge, and C indicates a balustrade installed at an end in the width direction of the bridge.

  The vertical base shaft 20 is erected on a carriage 10, and the carriage 10 is composed of a movable handcart as shown in FIG. 4, and a base portion 11 is detachably installed on the carriage 10 with bolts 12. Has been. That is, the base portion 11 is fixed to the carriage 10 by screwing the bolt 12, and the base portion 11 can be detached from the carriage 10 when the bolt 12 is loosened. The base portion 11 is disposed on the side of the horizontal base shaft 30 on which the inspection means 40 is provided, and the balance weight 13 for the carriage is placed on the opposite side to the side on which the base portion 11 is attached. Therefore, the load is balanced with the load of the horizontal base shaft 30 and the inspection means 40 applied to the vertical base shaft 20 so as not to fall down. The base portion 11 has a cylindrical shape having a circular concave groove 11a in the vertical direction, a bolt hole 11b is formed in the side wall portion thereof, and the vertical base shaft 20 can be fitted therein. The vertical base shaft 20 can be detachably attached by the vertical base shaft fixing bolt 11c.

  The vertical base shaft 20 has a quadrangular cross section and can be fitted into the circular concave groove 11a of the base portion 11 so that one side surface thereof can be fixed by a pressing force by screwing the vertical base shaft fixing bolt 11c. If the screwing of the vertical base shaft fixing bolt 11c is loosened, the vertical base shaft 20 can be pulled out from the base portion 11 and removed.

  A mounting table 21 is detachably attached to the vertical base shaft 20 at an appropriate position so that the monitor 50 can be mounted.

  A horizontal base shaft 30 is detachably attached to the upper end of the vertical base shaft 20 in the horizontal direction with respect to the vertical base shaft 20, and one end side thereof can be rotated upward from the horizontal direction. That is, the top of the vertical base shaft 20 is positioned on the lower surface of the intermediate position of the horizontal base shaft 30, and the horizontal base shaft 30 is supported by the vertical base shaft 20, and is installed at one end of the horizontal base shaft 30 as described above. The balance weight 31 for the horizontal base shaft can be detachably fitted to the other end so that the load and weight of the inspection means 40 can be balanced. Guide plates 32 are attached to both sides of the horizontal base shaft 30, and arc guide holes 32a are formed in the guide plates 32. The horizontal base shaft is fixed through the guide holes 32a. The horizontal base shaft 30 is fixed to the vertical base shaft 20 by screwing the bolts 32 b into the vertical base shaft 20. If the horizontal base shaft fixing bolt 32b is loosened, the guide hole 32a can be slid with respect to the horizontal base shaft fixing bolt 32b and the guide plate 32 can be rotated. By rotating the guide plate 32, the vertical base shaft The horizontal base shaft 30 can be rotated with respect to 20. When the horizontal base shaft 30 is rotated to an appropriate angle and the horizontal base shaft fixing bolt 32b is screwed in, the horizontal base shaft 30 is fixed at the appropriate angle. Of course, the horizontal base shaft 30 can be detached from the vertical base shaft 20 by removing the horizontal base shaft fixing bolt 32b and removing the other hinge members and the like.

  Further, a manually wound winch 33 is attached to the lower surface of the horizontal base shaft, and a wire 33a is wound thereon. By operating the manually wound winch 33 to wind or rewind the wire 33a, a vertical rod described later 41 can be moved up and down. Reference numeral 33 b denotes a handle for operating the manually wound winch 33.

  The inspection means 40 is composed of the vertical rod 41 and the horizontal rod 45, both of which are made of resin in order to reduce the weight.

  As shown in FIG. 5 (the monitor 50 and the mounting table 21 are not shown), the vertical rod 41 is detachably connected by a shaft coupling 42. That is, the shaft coupling 42 is made of resin in the form of a T-shape composed of a vertical shaft 42a through which the vertical rod 41 passes and a horizontal shaft 42b having a horizontal coupling hole into which the horizontal base shaft 30 can be fitted. One end of the base shaft 30 is fitted into the horizontal coupling hole and is detachably connected to the shaft coupling 42 by a bolt 42c. A bolt 42d is screwed onto the vertical shaft 42a, and the vertical rod 41 penetrating through the vertical through hole can be fixed by screwing the bolt 42d, and the vertical rod 41 can slide relative to the vertical shaft 42a when loosened. It becomes. Further, the vertical rod 41 is configured to be extendable and contractable by itself. That is, it consists of two rods with different diameters of the swing rod type so that the smaller diameter rod (lower rod in the figure) can be stowed into the larger diameter rod (upper rod in the figure). A fixture 42e is attached to the lower end of the large-diameter rod, and the slide 42 stops when the bolt 42f is screwed in and the bolt 42f is loosened. If you can slide. Further, a vertical rod rotation operation handle 42g is attached to the upper end of the vertical rod 41 so that the vertical rod 41 can be rotated about its longitudinal direction as an axis. By this rotation, the direction of the horizontal rod 45 described later can be changed. Further, the vertical rod rotating operation handle 42g also serves as a stopper for preventing the vertical rod 42 from falling out of the shaft coupling 42 and dropping. In addition, when the vertical rod rotation operation handle 42g cannot be operated, an appropriate rod member having a vertical rod 41 or a member that holds the vertical rod rotation operation handle 42g attached to an end portion may be used. A rotating disc-shaped creel 42h is attached to the lower portion of the vertical shaft 42a of the shaft coupling 42 attached to the vertical rod 41, and the wire 33a is hung on the wire 33a. The wire 33a can be smoothly wound and rewound in accordance with the rotation of the manual winding winch 33 by changing from the horizontal direction to the vertical direction.

  A rod joint 43 is detachably attached to the lower end of the vertical rod 41 with a bolt or the like (may be fixed). This rod joint 43 is made of a resin having a T-shape formed of a vertical shaft 43a having a vertical hole into which the vertical rod 41 can be fitted and a horizontal shaft 43b having a through hole through which the horizontal rod 45 passes. In the vertical shaft 43a, a wire fastener 43c is provided at a position where the wire 33a hangs down from the creel 42h. By fixing the end of the wire 33a to the wire fastener 43c, the manually wound winch 33 is provided. The vertical rod 41 can be moved up and down in accordance with the rotation.

  As shown in FIG. 6, the horizontal rod 45 is passed through the through hole of the horizontal shaft 43b of the rod joint 43, and the bolt 43d provided on the horizontal shaft 43b is screwed in, so that the horizontal rod 45 is attached to the horizontal shaft 43b. When it is fixed and the bolt 43d is loosened, it can rotate about the length direction and can slide in the length direction, and the horizontal rod 45 can be pulled out from the horizontal shaft 43b. The horizontal rod 45 is configured to be extendable and contractable by itself. That is, it consists of two rods with different diameters of the swing rod type so that the smaller diameter rod (right rod in the figure) can be stowed into the larger diameter rod (left rod in the figure). If the rod with the smaller diameter is rotated at an appropriate position with respect to the rod with the larger diameter, the sliding of the rod with the smaller diameter stops at that position and can be rotated in reverse. Slides are possible. A photographing device 46 is detachably attached to the tip of the horizontal rod 45 (on the right side in the figure), and although not shown, the photographing device 46 is configured to be attached to the vertical base shaft 20 as described above. The monitor 50 mounted on the mounting table 21 is connected to the monitor 50 with a cable, and a captured image captured by the camera 46 is displayed on the monitor 50. Of course, the captured image can be recorded and saved in a computer equipped with the monitor 50. Further, the horizontal rod balance is provided at the rear end portion (left side in the figure) of the horizontal rod 45 so that the load of the camera 46 attached to the horizontal rod 45 and the load due to the extension of the horizontal rod 45 can be balanced. A weight 47 is detachably attached by a bolt 47a.

  FIG. 7 is a completed view of the bridge inspection apparatus A after assembly (the monitor 50 and the mounting table 21 are not shown). By assembling in this way, the camera 46 can be positioned on the lower surface side of the bridge B, and the camera 46 draws a circle around the rod joint 43 by rotating the vertical rod rotation operation handle 42g. Therefore, it is possible to project the lower surface of the bridge B widely by the photographing machine 46, and the trolley 10 is moved in the longitudinal direction of the bridge B, that is, along the balustrade C. Therefore, since the lower surface of the bridge B can be projected, it is possible to comprehensively check all the conditions of the pipes and the like arranged on the lower surface of the bridge B.

  The outline of the installation method for the bridge B of the bridge inspection apparatus A will be described. First, the vertical base shaft 20 and the horizontal base shaft 30 are attached to the carriage 10, and the vertical rod 41 is attached to the horizontal base shaft 30. At that time, the vertical rod 41 is contracted the shortest and the entire vertical rod 41 is moved upward so that the fixture 42e is positioned at the lower end of the shaft coupling 42. Then, the horizontal rod 45 is attached to the lower end of the vertical rod 41 so as to be parallel to the balustrade C, and the photographing machine 46 and the horizontal rod balance weight 47 are attached to the horizontal rod 45. If comprised in this way, if the horizontal base axis | shaft 30 is rotated and fixed upwards and the trolley | bogie 10 is moved to the balustrade C side, the horizontal base axis | shaft 30 will have attached the vertical rod and the horizontal rod 45, ie, It is possible for the entire inspection means 40 to get over the balustrade C, and since the entire inspection means 40 is lightweight as described above, the overtaking work is further facilitated. Then, when the horizontal base shaft 30 is returned to the horizontal position and fixed, the vertical rod 41 is extended and lowered, and the vertical rod 41 is rotated, as shown in FIG. The machine 46 can be positioned on the lower surface of the bridge B.

  The various bolts used in the present embodiment are those having a grip portion on the bolt head, for example, a grip portion having an unevenness on the periphery or a cock, and are all special tools. The entire bridge inspection device can be easily assembled and disassembled so that it can be screwed and loosened without need.

  As mentioned above, although embodiment of this invention was described, this embodiment is shown as an example and is not intending limiting the range of invention. This embodiment can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the spirit of the invention. This embodiment and its modifications are included in the scope of the present invention and the gist thereof, and are also included in the invention described in the claims and the equivalent scope thereof.

A ......... Bridge inspection device B ......... Bridge C ...... Balustrade 10 ... Carriage 11 ... Base part 11a ... Circular groove 11b ... Bolt hole 11c ... Vertical base shaft fixing bolt 12 ... Bolt 13 ... Carriage Balance weight 20 ... Vertical base shaft 21 ... Place 30 ... Horizontal base shaft 31 ... Balance weight for horizontal base shaft 32 ... Guide plate 32a ... Guide hole 32b ... Horizontal base shaft fixing bolt 33 ... Manual winding Winch 33a ... Wire 33b ... Handle 40 ... Inspection means 41 ... Vertical rod 42 ... Shaft coupling 42a ... Vertical shaft 42b ... Horizontal shaft 42c ... Bolt 42d ... Bolt 42e ... Fixing tool 42f ... Bolt 42g ... Vertical rod rotation operation handle 42h ... Creel 43 ... Rod joint 43a ... Vertical shaft 43b ... Horizontal shaft 43c ... Wire fastener 43d Bolt 45 ...... horizontal rod 46 ...... shooting machine 47 ...... balance for horizontal rod weight 47a ... bolt 50 ...... monitor

Claims (3)

A vertical base shaft erected vertically, and
A horizontal base shaft that is mounted in a horizontal direction with respect to the vertical base shaft, and whose one end is rotatable upward from the horizontal direction;
A guide plate attached to a side surface of the horizontal base shaft and having an arcuate guide hole, the horizontal base shaft rotating and rotating;
The guide hole is slid, screwed into the vertical base shaft, and screwed into the vertical base shaft, thereby fixing the guide plate and fixing the horizontal base shaft at an appropriate angle with respect to the vertical base shaft. A base shaft fixing bolt,
Inspection means having a photographing function attached to a side rotatable above the horizontal base shaft;
A bridge inspection apparatus, comprising: a monitor attached to the vertical base shaft and displaying an image photographed by the inspection means. A movable carriage,
A base part that is detachably attached to the side of the carriage with the inspection means of the horizontal base shaft, has a cylindrical shape with a circular groove in the vertical direction, and has a bolt hole formed in the side wall part thereof When,
In the carriage, a balance weight for the carriage that is detachably attached to the side opposite to the side on which the base portion is attached, and
A vertical base shaft that has a polygonal cross-sectional shape that can be fitted into the circular groove of the base portion, and that supports the horizontal base shaft by positioning the top on the lower surface of the intermediate position of the horizontal base shaft;
A vertical base shaft fixing bolt that fixes the vertical base shaft fitted into the circular concave groove of the base portion by screwing into a bolt hole in the side wall portion of the base portion;
2. The bridge according to claim 1, further comprising a horizontal base shaft balance weight that is detachably attached to the other end side opposite to the one end side provided with the inspection means in the horizontal base shaft. Inspection device. The inspection means
It can be rotated about the length direction as an axis and fixed at an appropriate position via a shaft joint on one end side that can be rotated above the horizontal base shaft, and can be slid in the length direction and at an appropriate position. A vertical rod that is removably attached so that it can be fixed, can expand and contract itself, and can be extended and fixed at an appropriate position;
A vertical rod rotation operation handle provided on an upper portion of the vertical rod;
It can be attached to the lower end of the vertical rod via a rod joint so as to be rotatable about the length direction and fixed at an appropriate position, slidable in the length direction, and fixed at an appropriate position. A horizontal rod that itself is extensible and can be extended and fixed at an appropriate position;
A camera attached to one end of the horizontal rod;
The bridge inspection device according to claim 1, further comprising: a balance weight for a horizontal rod that is attached to the other end of the horizontal rod and holds the horizontal of the horizontal rod.

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