JP6596042B2 - Vertical shaft imaging device and vertical shaft inspection device - Google Patents

Description

  The present invention relates to a vertical shaft imaging device and a vertical shaft inspection device.

  Conventionally, water collecting shafts 21 for collecting and discharging groundwater that causes landslides have been provided in areas where landslides are likely to occur.

Specifically, as shown in FIG. 7, the shaft 21 has a diameter of about 3 to 4 m and a depth of about 20 to 60 m. In many areas, about 4 shafts are provided in a range of about 10,000 m ² .

  The shaft 21 is provided with a plurality of water collecting pipes 27 projecting in a radial direction from the peripheral surface, and the water collecting pipes 27 are arranged at sites where the ground water is easily collected, which has been clarified in advance. Groundwater is collected in the shaft 21 via the pipe 27.

  Further, a drainage pipe 23 is provided at a position below the peripheral surface of the shaft 21, and the drainage pipe 23 is extended to, for example, a river, and the groundwater collected in the shaft 21 is supplied to the river through the drainage pipe 23. Discharged.

  The upper opening 21a of the shaft 21 is closed with a lid 20, and when an operator needs to enter the shaft 21, an entrance / exit 22 provided near the periphery of the lid 20 is provided. Can enter the shaft 21 from

  Reference numeral 20a denotes an opening / closing lid that closes the entrance / exit portion 22, 24 is a handrail, 25 is an elevating staircase, and 26 is a landing.

  By the way, the above-mentioned shaft 21 has abnormalities such as corrosion of the inner wall and clogging of the water collecting pipe 27 over time, so it is necessary to check periodically whether these abnormalities have occurred. However, there is a case where gas is generated in the shaft 21 or the stairs 25 for raising and lowering are corroded and cannot be used, so workers should not enter the shaft 21 first. It is to be checked.

  Accordingly, the present applicant has proposed a shaft inspection device (hereinafter, a conventional example) as disclosed in Japanese Patent No. 6089069 as an inspection device in the water collecting shaft 21.

  This conventional example includes a erection member 30 attached in an erected state between opposed edges of the entrance / exit part 22 of the lid 20, and a support member 31 that is detachably provided on the erection member 30 and disposed in the shaft 21 (conventionally) In the example, it is composed of a mounting member) and a suspending member 12 provided on the support member 31 for suspending the vertical shaft imaging device 33.

  Accordingly, the support member 31 is inclined from the entrance / exit portion 22 of the lid 20 to suspend the vertical shaft imaging device 33 at a predetermined height center position in the vertical shaft 21, and the vertical shaft imaging device 33 is 360 ° horizontally. The inside of the shaft 21 is continuously photographed while being rotated, and it is confirmed whether or not there is an abnormal portion in the shaft 21 by looking at this photographed image (a panoramic image obtained by synthesizing continuously photographed photograph data).

Japanese Patent No. 6089069

  By the way, since the inside of the vertical shaft 21 to be imaged is dark, the imaging device 33 in the vertical shaft is provided with an illumination unit 33b beside the camera unit 33a. For example, when the vertical wall surface 21b is wet, the camera unit 33a The part to be photographed may be reflected by the irradiation light from the illumination unit 33b (reflected in white (halation)) and may not be photographed satisfactorily. It was awkward to rotate horizontally.

  The present invention provides a very practical shaft imaging device and shaft inspection device that solves the above-described problems.

  The gist of the present invention will be described with reference to the accompanying drawings.

Hanging introduced by member 12 hanging apparatus main body 2 having a camera unit 1 in the vertical shaft 21, the camera unit 1 by the vertical shaft to check the corrosion state in the standing pit 21 by taking in the vertical shaft 21 An omnidirectional camera capable of photographing 360 degrees around the camera unit 1 is adopted as the camera unit 1, and the camera body 1 has a position above the camera unit 1 below the camera unit 1. The illumination unit 3 for irradiating is provided , and three or more illumination units 3 are provided in the radial direction around the apparatus main body 2, and the illumination unit 3 is positioned in the vertical direction with respect to the shooting location of the camera unit 1 and The present invention relates to a vertical shaft imaging apparatus characterized in that the irradiation angle is variable .

Further, in the vertical shaft in the imaging apparatus according to claim 1, wherein the camera unit 1 is one of the pit in the photographing apparatus characterized by being et provided at the lower end of the apparatus main body 2.

Further, in the vertical shaft imaging apparatus according to any one of claims 1 and 2, the illumination unit 3 is provided at the tip of an illumination support unit 4 provided in the apparatus body 2 so as to be rotatable in the vertical direction. The present invention relates to a vertical shaft imaging device.

Further, the inspection device in the shaft 21 in which the upper opening 21a is closed by the lid body 20, between the opposing edge portions of the entrance / exit portion 22 provided near the peripheral edge portion of the lid body 20 and capable of entering and exiting. It is comprised with the erection member 10 attached to this erection state, the support member 11 provided in this erection member 10, and distribute | arranged in the said pit 21, and the shaft inside imaging | photography apparatus X of any one of Claims 1-3 The vertical shaft imaging device X is suspended by a suspension member 12 provided on the support member 11, and the arrangement angle A of the support member 11 in the shaft 21 is configured to be variable. The present invention relates to a vertical shaft inspection device.

5. The shaft inspection apparatus according to claim 4 , wherein the support member 11 is inclined with respect to the erection member 10, and the support member 11 is slidably provided with respect to the erection member 10. The present invention relates to a vertical shaft inspection device.

  Since the present invention is configured as described above, it becomes a vertical shaft imaging device and a vertical shaft inspection device that are excellent in practicality, such as being able to image the vertical wall surface well.

It is a perspective view which shows a present Example. It is operation | movement explanatory drawing of the principal part of a present Example. It is explanatory drawing of the principal part of a present Example. It is explanatory drawing of the principal part of a present Example. It is use condition explanatory drawing of a present Example. It is use condition explanatory drawing of a present Example. It is a use condition explanatory drawing of a prior art example.

  An embodiment of the present invention which is considered to be suitable will be briefly described with reference to the drawings showing the operation of the present invention.

  When inspecting the shaft 21, the camera unit 1 is suspended and introduced into the shaft 21 by the suspension member 12, and the inside of the shaft 21 is photographed by the camera unit 1 to check the corrosion state in the shaft 21. .

  Specifically, the shaft wall surface 21b is photographed by the camera unit 1 suspended by the suspension member 12. At this time, the illumination unit 3 provided at the upper position of the camera unit 1 irradiates downward.

  Therefore, light is not emitted from the same height position as the camera unit 1 toward the photographing direction in the same direction as the photographing direction, but light is emitted downward from the upper position of the camera unit 1. As a result, the above-described halation does not occur, and the camera unit 1 can perform good photographing.

  Further, the present invention employs an omnidirectional camera capable of photographing the horizontal wall surface 21b of 360 degrees in the horizontal direction positioned around the camera unit 1 as the camera unit 1, so that the vertical shaft as in the above-described conventional example. There is no need to horizontally rotate the inner photographing device 33 360 degrees, the shaft wall surface 21b can be photographed quickly, and the construction period can be shortened accordingly.

  Specific embodiments of the present invention will be described with reference to the drawings.

  In this embodiment, the camera unit 1 is suspended and introduced into the shaft 21 by the suspension member 12, and the inside of the shaft 21 is photographed by the camera unit 1 to check the corrosion state in the shaft 21. Device X.

  In this embodiment, the water collecting shaft 21 (the shaft 21 in which the upper opening 21a is closed by the lid body 20) provided in an area where landslide is likely to occur as described in the background art section is adopted as the shaft 21. However, any shaft 21 to which this embodiment can be applied can be adopted as appropriate.

  Specifically, as shown in FIG. 1, the apparatus main body 2 is provided with a camera unit 1 and an illumination unit 3.

  The apparatus main body 2 is a rod-shaped body formed of a suitable metal member as shown in FIG. 1, and an annular hanging connecting portion 2 a that is connected to the lower end of the hanging member 12 is provided at the upper end portion. Yes.

  Further, a camera connecting portion 2b for detachably mounting the camera portion 1 is provided at the lower end portion of the apparatus main body 2.

  Further, three illumination support parts 4 for supporting the illumination part 3 are provided in an upper part of the apparatus main body 2.

  The illumination support portion 4 is pivotally attached to three first members 4a that project in the horizontal direction at positions at equal circumferential intervals (120 degree intervals) of the apparatus main body 2 and the distal end portion of the first member 4a. The second member 4b is configured to be rotatable in the vertical direction, and an illuminating unit 3 described later is provided at the tip of each second member 4b so as to be rotatable in the vertical direction.

  Accordingly, the illumination unit 3 emits light downward (inclination direction) from the upper position of the camera unit 1, and the vertical position and irradiation angle of the illumination unit 3 can be changed (see FIG. 2). In addition, you may enable it to operate this illumination support part 4 remotely by remote control operation.

  The camera unit 1 employs a known omnidirectional camera (omnidirectional camera) composed of a fish-eye lens or an ultra-wide-angle lens and has a still image shooting function and a moving image shooting function. (Registered trademark) connected, and with this tablet terminal, it is possible to remotely control on / off of power, switching between still image shooting and moving image shooting, start of shooting and end of shooting, and the like. In addition, you may connect the camera part 1 with a tablet-type terminal directly with a cable.

  Accordingly, the camera wall 1 can take a picture of the shaft wall surface 21b around 360 degrees in the horizontal direction of the camera part 1, and it is not necessary to rotate the camera part 360 degrees horizontally as in the conventional example.

  The illumination unit 3 is a waterproof LED light as illustrated in FIGS. 1 and 2, and is provided to each of the three illumination support units 4 described above. Note that three or more illumination units 3 are preferable.

  Reference numeral 3a denotes a protective member, and 3b denotes an electric cord.

  In the present embodiment, an inspection device in the shaft 21 in which the upper opening 21a is closed by the lid 20 is provided, and this shaft inspection device Y is used to enter and exit a person provided near the periphery of the lid 20 Consists of the erection member 10 attached in a erected state between the opposing edges of the possible entrance / exit 22, the support member 11 provided in the erection member 10 and arranged in the pit 21, and the above-mentioned pit shaft imaging device X The vertical shaft imaging device X is suspended by a suspension member 12 provided on the support member 11, and the arrangement angle A of the support member 11 into the shaft 21 is configured to be variable.

  Specifically, the erection member 10 is a long plate-like body formed of an appropriate metal member as illustrated in FIGS. 3 to 5, and an entrance / exit portion 22 is provided at the front and rear positions of the erection member 10. There are provided sandwiching connecting portions 10a that are sandwiched between the opposite edge portions 22a.

  The sandwiching connecting portion 10a includes a sandwiching plate 10a 'disposed in a vertically opposed position, and a connecting rod 10a "(screw rod) that is spanned between the sandwiching plates 10a' and connects the sandwiching plates 10a 'so that they can be separated from each other. Body).

  Accordingly, the sandwiching connecting portion 10a can sandwich the sandwiching plates 10a 'by varying the distance between the sandwiching plates 10a' according to the thickness of the part to be sandwiched.

  Further, the erection member 10 is provided with a guide connecting portion 13 for slidably connecting a support member 11 described later.

  The guide connecting portion 13 is a concave body formed of an appropriate metal member as illustrated in FIG. 3, and is inclined at a predetermined angle with respect to the length direction of the erection member 10 (intersection state). Is provided.

  Further, the base end portion of the guide connecting portion 13 is provided with a fitting portion 13a that fits on the support member 11, and this fitting portion 13a is fitted on the support member 11 provided on the guide connecting portion 13. This is a structure in which a U-shaped fitting member 13a ′ is detachably connected to the guide connecting portion 13 via a fastening member.

  Accordingly, the support member 11 can be attached to and detached from the erection member 10 through the fitted portion 13a.

  Further, in this embodiment, another type of guide support portion 13 is provided, and the connection angle with respect to the erection member 10 can be varied.

  Accordingly, the arrangement angle of the support member 11 provided in the guide support portion 13 can be changed in the vertical direction, and the shape of the entrance / exit portion 22 (lid 20) and the shape of the stairs 25 for raising and lowering (a circular ring shape for preventing fall) The angle of the support member 11 can be changed as appropriate according to the construction location, such as a structure provided with an auxiliary tool (see FIGS. 3 and 4).

  Further, at the base end portion of the erection member 10, a manually rotating reel portion 14 around which a suspending member 12 for suspending and holding the in-shaft photographing apparatus X is wound is provided.

  The suspension member 12 is a metal wire, and the lower end of the suspension member 12 is connected to the suspension connection portion of the above-mentioned vertical shaft imaging apparatus X. In addition, it is good also as a structure which prevents a horizontal blurring by using the whole or a part of suspension member 12 (for example, the site | part vicinity of the vertical shaft imaging apparatus X) as a bar (steel material).

  The suspension member 12 is stretched between a plurality of pulley portions 15 provided on the support member 11 described later by being sent out from the reel portion 14, and is suspended at a position near the center in the shaft 21.

  Therefore, the vertical shaft imaging device X is suspended from the center of the vertical shaft 21 via the suspension member 12 and moves up and down in the vertical shaft 21 by the operation of the reel unit 14. In this embodiment, a manually-rotating reel is used as the reel unit 14, but an electric-rotating reel may be used.

  As shown in FIGS. 3 to 5, the support member 11 is a square bar-like body formed of an appropriate metal member, and is slidably provided on the guide connecting portion 13 of the installation member 10 described above.

  Further, a pulley portion 15 is provided at the central portion and the front end portion of the support member 11, and a suspension member 12 sent out from the reel portion 14 is stretched over the pulley portion 15.

  Further, the support member 11 is provided in an inclined state into the shaft 21 through the entrance / exit portion 22 in a state where the erection member 10 is attached to the entrance / exit portion 22 of the lid 20.

  The length of the support member 11 is set to a length at which a later-described suspension member 12 can be suspended at a position near the center of the shaft 21. Note that the support member 11 may be telescopic.

  Note that the support member 11 may be provided to be extendable and contractible.

  Reference numeral 11b denotes a gripping portion.

  The inspection method in the shaft 21 using the shaft inspection apparatus Y having the above configuration will be described.

  The shaft inspection device Y is attached to the entrance / exit part 22 of the lid 20.

  Specifically, the opening / closing lid that closes the entrance / exit portion 22 of the lid 20 is opened, and the sandwiching connection portions 10a provided at the front and rear end portions of the erection member 10 are sandwiched and connected to the opposing edge portions 22a of the entrance / exit portion 22, respectively. Thereafter, the support member 11 is connected to the erection member 10. At this time, in a state where the suspension member 12 is stretched on the pulley portion 15 of the support member 11, the tip end portion of the support member 11 is placed in the shaft 21 so as to be embedded inside the lid body 20. Thereafter, the reel portion 14 is connected to the rear end portion of the installation member 10. At this time, the position adjustment is performed by appropriately sliding the support member 11 with respect to the erection member 10 so that the camera unit 1 is arranged at the center position of the shaft 21. The support member 11 may be attached to the entrance / exit portion 22 in a state where the support member 11 is attached to the installation member 10 in advance.

  Subsequently, in this state, the reel unit 14 is rotated to lower the suspension member 12 to suspend and introduce the vertical shaft imaging device X. While irradiating light with the illumination unit 3 of the vertical shaft imaging device X, The inside of the shaft 21 is photographed by the camera unit 1, and the corrosion state in the shaft 21 is confirmed based on the images and videos taken by the camera unit 1. During the inspection, the angle of the illumination unit 3 may be changed so that the part imaged by the camera unit 1 is not reflected in white by light, and the support member 11 is attached to the installation member 10. The position of the camera unit 1 may be adjusted by sliding.

  Since the present embodiment is configured as described above, light is not emitted from the same height position as the camera unit 1 toward the shooting direction in the camera unit 1 but instead of the camera unit 1. Since light is irradiated downward from the upper position, the above-described halation does not occur, and good shooting can be performed by the camera unit 1.

  Further, in this embodiment, the omnidirectional camera capable of photographing the vertical wall surface 21b of 360 degrees in the horizontal direction positioned around the camera unit 1 is employed as the camera unit 1, so that the conventional example described above is used. It is not necessary to horizontally rotate the vertical shaft imaging device 33 360 degrees, the vertical wall surface 21b can be quickly imaged, and the construction period can be shortened accordingly.

  Further, in this embodiment, since three or more illumination units 3 are provided in the radial direction with the apparatus main body 2 as the center, an environment in which the shaft wall surface 21b can be favorably photographed is obtained.

  In the present embodiment, the vertical position and the irradiation angle of the illumination unit 3 are variably provided, so that the angle can be adjusted according to the work environment.

  In addition, the present embodiment is an inspection device in the shaft 21 in which the upper opening 21a is closed by the lid 20 and is opposed to the entrance / exit portion 22 that is provided near the periphery of the lid 20 and is accessible to a person. It is composed of an erection member 10 attached in an erected state between the edges, a support member 11 provided on the erection member 10 and disposed in the shaft 21, and an in-shaft imaging device X. It is suspended by the suspension member 12 provided on the support member 11, and the arrangement angle A of the support member 11 in the shaft 21 is configured to be variable. The angle can be changed as appropriate.

  In addition, the support member 11 according to the present embodiment is disposed to be inclined with respect to the erection member 10, and the support member 11 is provided to be slidable with respect to the erection member 10. Accordingly, it is possible to obtain a state in which shooting is easy.

  Note that the present invention is not limited to this embodiment, and the specific configuration of each component can be designed as appropriate.

A Arrangement angle X Vertical shaft imaging device 1 Camera unit 2 Device body
4 Lighting support part 3 Lighting part
10 Construction member
11 Support member
12 Suspension member
20 lid
21 shaft
21a top opening
22 Gateway

Claims (5)

Introduced suspended by hanging member device body having a camera unit in the vertical shaft, a vertical shaft within the imaging device to check the corrosion state of the standing downhole by photographing the inside shafts by the camera unit, wherein omnidirectional camera can image around horizontal 360-degree of the camera unit is employed as a camera unit, an illumination unit for irradiating downward is provided at the upper position of the camera unit in the apparatus main body, the illumination unit Are provided in three or more radial directions centered on the apparatus main body, and the illumination unit is configured such that the vertical position and the irradiation angle with respect to the shooting location of the camera unit are variable. Vertical shaft imaging device. In vertical shaft in photographing apparatus according to claim 1, wherein the vertical shaft in the imaging device, wherein the camera unit is found provided at the lower end of the apparatus main body. The vertical shaft imaging apparatus according to any one of claims 1 and 2, wherein the illumination unit is provided to be pivotable in a vertical direction at a distal end of an illumination support unit provided in the apparatus main body. Vertical shaft photographing device. An inspection device in a shaft in which an upper opening is closed by a lid, and is an erection member attached in an erected state between opposing edges of an entrance / exit part provided near a peripheral part of the lid so that a person can enter and exit And a support member provided in the erection member and arranged in the shaft, and the shaft imaging device according to any one of claims 1 to 3 , wherein the shaft imaging device is attached to the support member. A shaft inspection apparatus characterized in that it is suspended by a suspension member provided, and the arrangement angle of the support member in the shaft is variable. 5. The shaft inspection apparatus according to claim 4 , wherein the support member is inclined with respect to the erection member, and the support member is slidable with respect to the erection member. Vertical shaft inspection device.