JP7586703B2 - Exterior wall inspection device and exterior wall inspection method - Google Patents

Description

The present invention relates to an exterior wall inspection device and an exterior wall inspection method.

When inspecting the exterior walls of a building, a common method is to set up temporary scaffolding around the exterior wall, have workers take images of the exterior wall using handheld cameras or videos, and inspect the entire exterior wall while moving around the temporary scaffolding. However, when inspecting the exterior walls of a building in urban areas, for example, there is often not enough space between the exterior wall of the building and the boundary with the neighboring property to assemble the temporary scaffolding. Here, the inspection of the exterior wall includes inspection of the exterior wall and various inspection targets associated with the exterior wall, such as inspection of the exterior wall surface material, inspection of joints such as vertical and horizontal joints in the exterior wall, inspection of ventilation hoods, inspection of window frames, inspection of gutters, etc.

When inspecting exterior walls, it is said that out of the entire process from assembling temporary scaffolding to inspecting the exterior walls and dismantling the temporary scaffolding, the time spent assembling and dismantling the temporary scaffolding can account for up to 80% of the time. Also, as mentioned above, there are cases in urban areas where it is not possible to set up temporary scaffolding, so there is a strong demand for a method of inspecting exterior walls that does not require temporary scaffolding.

Patent Document 1 discloses an exterior wall inspection device and method in which an imaging unit is fixed to a pan head provided at one end of a telescopic pole, the other end of the telescopic pole is supported on the ground, and the roller part of a guide rail part, which is fixed to the telescopic pole and keeps the imaging unit and the exterior wall at an equal distance, is pressed against a joint part extending along the exterior wall, and while keeping the imaging unit and the exterior wall at an equal distance, the total length of the telescopic pole is adjusted by a total length adjustment part, and while the roller part of the guide rail part is moved along the joint part of the exterior wall, an image of the exterior wall captured by the imaging unit is transmitted by a video transmission part to a video recording part and a video display part for recording or display.

JP 2015-61224 A

The exterior wall inspection method described in Patent Document 1 makes it possible to inspect exterior walls without the need for temporary scaffolding, but the inspector must fix the telescopic pole on the ground while inspecting the exterior wall, which places a heavy burden on the inspector. Furthermore, as buildings become taller, for example three stories or more, there are limitations to inspecting exterior walls while extending the telescopic pole from the ground.

The present invention was made in consideration of the above problems, and aims to provide an exterior wall inspection device and method that can eliminate the need for temporary scaffolding for inspection, reduce or eliminate the burden on inspectors, and enable simple and efficient inspection of exterior walls even in high-rise buildings.

In order to achieve the above object, one aspect of the exterior wall inspection device according to the present invention is to
An exterior wall inspection device that inspects exterior walls by suspending an imaging device from an upper position of a building,
A strip-shaped guide band;
The imaging device is suspended from a rope and moves up and down along the guide band;
a band winding machine that winds up the guide band;
a rope winding machine for winding the rope;
A tension biasing member that is attached below the guide band and returns to its original shape when pulled;
and a weight attached below the tension biasing member.

According to this aspect, since the device inspects the exterior walls by suspending an imager from a position above the building, it does not require temporary scaffolding, reduces or eliminates the burden on the inspector, and furthermore, makes it possible to easily and efficiently inspect the exterior walls of high-rise buildings. Here, "above the building" refers to the parapet on the roof of the building or the handrail of the balcony on the top floor of the building, and inspection can be performed by installing a band winder and a rope winder on the coping of these parapets or handrails and suspending a belt-shaped guide band and imager.

In addition, this embodiment is equipped with a tension biasing member attached below the guide band that returns to its original position when pulled, and a weight attached below the tension biasing member, so that the guide band can be tensioned by hanging the weight from a position above the building to the ground and then winding the guide band with a band winding machine, and the imaging device can be hung down along the guide band in the tensioned position. Here, the imaging device includes a camera (CCD camera, etc.) and a video camera. In addition, it is preferable that the weight of the weight is as light as possible from the viewpoint of transportation by the inspector, and it is also preferable that the weight is fixed at the bottom position where it is hung down on the ground with an uneven surface. For example, by forming the weight of the weight from a bag and a liquid such as water contained in the bag, the weight of the weight can be adjusted according to the amount of water, and it can be positioned at the bottom position following the unevenness of the ground surface, and when not in use, the water can be removed to eliminate the load during transportation.

Furthermore, by stretching a strip-shaped guide band, the wide surface of the guide band can be held parallel or approximately parallel to the exterior wall, so that the imaging device, which is raised and lowered along the guide band, can be directly faced with the exterior wall, enabling imaging from the front of the exterior wall to be achieved.

Another aspect of the exterior wall inspection device according to the present invention is a lifting body that is attached to the guide band so as to be able to rise and fall freely;
A bracket attached to the lifting body;
A clamp attached to the bracket;
a pan head attached to the clamp;
The imaging device is characterized in that the imaging device is attached to the camera platform.

According to this aspect, a camera platform is attached to the lifting body that raises and lowers the guide band via a bracket and a clamp, and an image capture device is attached to the camera platform, making it possible to raise and lower the image capture device relative to the guide band with a simple configuration.

Another aspect of the exterior wall inspection device according to the present invention is characterized in that the platform has a rotating part and the imaging device is attached to the rotating part.

According to this aspect, since the imaging device is attached to the rotating part of the camera platform, it is possible to capture an image of the exterior wall while rotating the imaging device. For example, when capturing an image of the side of an object that protrudes from an exterior wall to the outside, such as a ventilation hood or window frame, the imaging device is hung to the side of the object, and the rotating part of the camera platform is rotated as desired, making it possible to capture an image with the imaging device facing the side of the object.

In another aspect of the exterior wall inspection device according to the present invention, a horizontal band extending laterally is attached to the lower end of the guide band,
The horizontal band is connected to the weight at its left and right positions by the tension biasing member having a V-shape when viewed from the front.

According to this aspect, a horizontal band extending laterally is attached to the lower end of the guide band, and a tensioning member having a V-shape when viewed from the front connects the left and right positions of the horizontal band to the weight. This makes it possible to effectively suppress the lateral swaying of the guide band when it tends to sway sideways due to the wind, for example, when inspecting the exterior walls of a high-rise building of three or more stories. Here, the "tensioning member having a V-shape when viewed from the front" includes a form in which one tensioning member deforms into a V shape to connect the left and right positions of the horizontal band to the weight, and a form in which two tensioning members each connect the left and right positions of the horizontal band to the weight.

In another aspect of the exterior wall inspection device according to the present invention, the band winding machine and the rope winding machine are mounted on a common base,
The base is characterized in that a capping clamp is attached to the underside of the base, which is engaged with the indoor side and outdoor side of the capping of the handrail or parapet on which the base is placed and fixed.

According to this aspect, the band winding machine and the rope winding machine are mounted on a common base, which makes it easy to install both winding machines on the capping board. In addition, capping board clamps that engage with the indoor side and outdoor side of the capping board are attached to the underside of the base, which makes it possible to stably fix the base to the capping board.

Another aspect of the exterior wall inspection device according to the present invention is that, when the top end surface of the coping is a tapered surface, a horizontal adjustment member whose upper surface becomes a horizontal plane when placed on the tapered surface is attached with its upper surface abutting against the underside of the base.

According to this embodiment, the top end surface of the capping board generally has a tapered surface that slopes downward toward the interior side of the room, and the horizontal adjustment member, whose upper surface becomes a horizontal plane when placed on the tapered surface, is attached in abutment with the underside of the base. This allows the upper surface of the base to be in a horizontal position when the base is fixed to the tapered surface of the capping board, and allows the ropes from which the guide band and the camera are suspended to hang vertically downward from the band winder and rope winder mounted on the upper surface in this horizontal position. The position of the capping board clamp on the base and the length of the overhang from the capping board clamp are adjusted so that the base can overhang as desired when attached to the capping board. It is also preferable that the base is equipped with rollers that can freely change the direction of the guide band and rope.

In addition, one aspect of the exterior wall inspection method according to the present invention is to
An exterior wall inspection method for inspecting an exterior wall by suspending an imaging device from an upper position of a building, comprising:
a step A in which a tension biasing member is attached below a band-shaped guide band and a weight is attached below the tension biasing member, and the guide band is hung from the upper position and the weight is allowed to land on the bottom, and then the guide band is wound up at the upper position, thereby tensioning the guide band while stretching the tension biasing member;
The method further includes a step B of raising and lowering the imaging device along the stretched guide band to image the exterior wall with the imaging device.

According to this aspect, a guide band is hung and tensioned from above the building, and the camera is raised and lowered along the tensioned guide band to capture images of the exterior wall, eliminating the need for temporary scaffolding while reducing or eliminating the burden on the inspector, and further enabling the exterior walls of high-rise buildings to be inspected easily and efficiently.

As can be understood from the above explanation, the exterior wall inspection device and method of the present invention eliminate the need for temporary scaffolding for inspection, reduce the burden on inspectors, and allow for easy and efficient inspection of exterior walls even in high-rise buildings.

1 is a side view showing an exterior wall inspection device according to an embodiment installed on a parapet coping. FIG. FIG. 2 is a view taken in the direction of the arrow II in FIG. 1 . 13A and 13B are diagrams illustrating modified examples of the tension biasing member. FIG. 4 is a view taken in the direction of an arrow IV in FIG. 3 . FIG. 1 is a diagram showing an example of an exterior wall inspection method according to an embodiment. FIG. 6 is a view taken in the direction of an arrow VI in FIG. 5 .

Below, an example of an exterior wall inspection device and an exterior wall inspection method according to an embodiment will be described with reference to the attached drawings. Note that in this specification and the drawings, substantially identical components may be designated by the same reference numerals to avoid redundant description.

[Exterior wall inspection device and exterior wall inspection method according to the embodiment]
An example of an exterior wall inspection device according to the embodiment will be described with reference to Figures 1 to 4, and an example of an exterior wall inspection method according to the embodiment will be described with reference to Figures 5 and 6. Here, Figure 1 is a side view showing a state in which the exterior wall inspection device according to the embodiment is installed on a coping of a parapet, and Figure 2 is a view seen in the direction of an arrow II in Figure 1. Also, Figure 3 is a view showing a modified example of a tension biasing member, and Figure 4 is a view seen in the direction of an arrow IV in Figure 3. Furthermore, Figure 5 is a view showing an example of an exterior wall inspection method according to the embodiment, and Figure 6 is a view seen in the direction of an arrow VI in Figure 5.

The exterior wall inspection device 80 is an inspection device that inspects the exterior wall surface materials that make up the exterior wall 95 of a building, the joints 96 such as vertical and horizontal joints in the exterior wall, the ventilation hood 98 (see Figure 6), the window frames 97 (see Figure 6), and the gutters 99 (see Figure 6), etc., and inspects the exterior wall surface materials that make up the exterior wall 95 and various components associated with the exterior wall 95.

The exterior wall inspection device 80 has a band-shaped guide band 25, an imaging device 50 suspended from a rope 35 and moving up and down along the guide band 25, a band winding machine 20 that winds up the guide band 25, a rope winding machine 30 that winds up the rope 35, a tension biasing member 60 that is attached below the guide band 25 and returns to its original shape when pulled, and a weight 70 that is attached below the tension biasing member 60.

The band winding machine 20 and the rope winding machine 30 are mounted and fixed on a common base 10. The base 10 in the illustrated example is mounted on the top surface 92a of the headboard 92 of the parapet 91 on the roof 90 of the building, and is adapted to engage with the headboard 92. The base 10 on which the band winding machine 20 and the rope winding machine 30 are mounted can be installed in various locations, such as the top surface of the headboard of the handrail of a balcony on the third or second floor of a three-story building, on the roof of a single-story building, or on the upper floors of a building with two or more stories, in addition to the top surface 92a of the headboard 92 of the parapet 91.

The top surface 92a of the capping 92 is generally a tapered surface with a water gradient that slopes downward toward the indoor side. Capping clamps 13, 14 are attached to the underside 10a of the base 10, and are engaged with the indoor side and outdoor side of the capping 92 of the parapet 91 on which the base 10 is fixed. For example, the capping clamp 13 on the indoor side is engaged with the indoor side of the capping 92, and then the bolting of the capping clamp 14 on the outdoor side is released and engaged with the outdoor side of the capping 92, and the base 10 is attached to the capping 92 by bolting, etc.

A horizontal adjustment member 18 is provided on the underside 10a of the base 10, with a tapered surface 18a that corresponds to the tapered surface 92a of the cap 92 as its underside, and an upper surface 18b that becomes a horizontal plane when placed on the tapered surface 92a, and is attached with the upper surface 18b in contact with the underside 10a of the base 10.

In this way, the base 10 is placed on the top surface 92a of the capping 92, which generally has a water gradient, via the horizontal adjustment member 18, so that the band winding machine 20 and rope winding machine 30 mounted on the base 10 can be maintained in a horizontal position.

2, the base 10 is fixed to the headboard 92 of the parapet 91 in a state where it overhangs from the exterior wall 95 of the building by a predetermined length t1, and the guide band 25 hangs down vertically from a position where it overhangs from the exterior wall 95 to the outside by the predetermined length t1. The predetermined overhanging length t1 of the base 10 is set to a length that ensures that the imaging device 50, which moves up and down along the guide band 25, can capture an image from the inspection target on the exterior wall 95 at a distance that allows it to capture an image. Although not shown in the figure, the base may be configured to have a stacked structure of a mounting member placed on the headboard 92 and a sliding member that slides on the mounting member, and the band winding machine 20 and the rope winding machine 30 are mounted on the sliding member, so that the band winding machine 20 can be positioned at a desired overhanging position by sliding the sliding member relative to the mounting member.

The rope 35 (including wire, chain, etc.) unwound from the rope winding machine 30 hangs vertically downward from near the guide band 25 via multiple rollers 15, and a lifting body 41 is attached to a hook at the lower end of the rope 35, and the lifting body 41 is attached so that it can be raised and lowered freely relative to the guide band 25.

A bracket 42, which is L-shaped when viewed from the side, is attached to the lifting body 41, and a clamp 43 is attached to the tip of the bracket 42. A pan head 45 is attached to the clamp 43, and an imaging device 50 is attached to the pan head 45. Here, the pan head 45 has a rotating part 45a, and the imaging device 50 is attached to the rotating part 45a. By rotating the rotating part 45a in the Y1 direction, the imaging attitude (imaging direction) of the imaging device 50 can be adjusted as desired.

In the illustrated example, a rotating section 45a is provided below the pan head 45, and an imaging device 50 is attached below the rotating section 45a. Meanwhile, an illuminator 55 is attached above the pan head 45. The imaging device 50 can be a camera (including a CCD camera), video, or video camera, and the illuminator 55 can be an LED light or the like. The pan head 45 is equipped with the illuminator 55, making it possible to capture images at night, and furthermore, it makes it possible to capture images in dark environments even during the day when the gap between the neighboring property boundary is narrow.

When inspecting the outer wall 95, first, the belt-shaped guide band 25 is unrolled vertically downward in the X1 direction, and the weight 70 attached to the lower end of the tension biasing member 60 attached to the lower end of the guide band 25 is allowed to land on the ground.

Here, the tension biasing member 60 is formed, for example, by a tension spring. In the example shown in Figs. 1 and 2, a horizontal band 28 extending laterally is attached to the lower end of the guide band 25, and the left and right positions of the horizontal band 28 and the weight 70 are connected by a tension biasing member 60 that is V-shaped when viewed from the front.

In this way, by connecting the weight 70 and the guide band 25 (the horizontal band 28 extending horizontally from the lower end) via the V-shaped tension member 60 when viewed from the front, it is possible to effectively suppress the lateral swaying of the guide band 25 caused by the wind when inspecting the exterior wall 95 of a high-rise building of three or more stories, for example.

For example, when inspecting the exterior wall of a two-story building (low-rise building) or when inspecting in a windless or light wind environment, the guide band 25 and the weight 70 may be connected via a tensile biasing member 60A extending vertically, as shown in Figures 3 and 4.

The weight of the weight 70 is formed, for example, from a bag and a liquid such as water contained in the bag. With this configuration, the weight of the weight can be adjusted according to the amount of water, the weight 70 can be deformed to follow the unevenness of the ground surface, and the weight 70 can be positioned at the bottom. By removing the water when not in use, the load placed on the inspector when carrying the weight 70 can be eliminated. For example, the weight of the weight 70 can be set to about 1 kg.

In the exterior wall inspection method using the exterior wall inspection device 80, the belt-shaped guide band 25 is unwound vertically downward in the X1 direction from an upper position of the building (i.e., the coping 92 of the parapet 91 of the roof 90) and suspended, and the weight 70 is allowed to land on the ground. Next, the guide band 25 is wound upward by the band winding machine 20, thereby tensioning the guide band 25 while stretching the tension biasing member 60.

In this way, by stretching the guide band 25 that guides the raising and lowering of the imaging device 50 between the rooftop 90 of the building and the ground, it becomes possible to raise and lower the imaging device 50 vertically while maintaining a distance (predetermined length t1) between the rooftop 90 of the building and the ground and the exterior wall 95 of the building.

In addition, by tensioning the strip-shaped guide band 25, the wide surface of the guide band 25 can be held parallel or approximately parallel to the outer wall 95, so that the imaging device 50, which is raised and lowered along the guide band 25, can be directly faced to the outer wall 95, enabling imaging from the front of the outer wall 95 to be achieved (above, step A).

Next, the imaging device 50 is raised and lowered along the tensioned guide band 25, and an image of the exterior wall 95 is captured by the imaging device 50.

When raising and lowering the imaging device 50, the imaging device 50 can be positioned at the desired level by unwinding and winding the rope 35 extending from the rope winder 30. If the rope winder 30 is capable of measuring the amount of unwinding of the rope 35, this is preferable because it allows the vertical distance from the coping 92 to the shooting position to be specified. In addition, because the belt-shaped guide band 25 facing the outer wall 95 is wound up, unlike a linear wire, the rope 35 does not rotate even when affected by wind, etc., and tends to return to its original position, making winding easier (above, step B).

Figures 5 and 6 show an example of an exterior wall inspection method. The illustrated example shows a pedestal 10 constituting an exterior wall inspection device 80 being mounted and fixed to the coping 92 of a parapet 91 on the roof 90 of a three-story building, and a camera 50 being raised and lowered via a rope 35 along a guide band 25 stretched between the pedestal 10 and the ground, while inspecting various parts of the exterior wall 95.

As shown in the illustrated example, inspection targets for the exterior wall 95 include the exterior wall surface material that forms the exterior wall 95, joints 96 provided in the exterior wall 95, a ventilation hood 98 that extends from the exterior wall 95 to the outdoors, a window frame 97, and a gutter 99.

When inspecting exterior wall materials, joints 96, etc., the camera 50 can be raised and lowered along the guide band 25 to face the inspection target at the desired position (desired level) and capture an image of the inspection target.

On the other hand, when imaging a ventilation hood 98, window frame 97, gutter 99, etc. that extend from the exterior wall 95 to the outdoors, the imaging device 50 is raised and lowered to the side of these, and the rotating part 45a of the camera head 45 is rotated as desired to the side of the inspection target, so that the imaging device 50 is directly facing the inspection target from the side of the inspection target and an image of the inspection target can be captured.

According to the illustrated exterior wall inspection device 80 and exterior wall inspection method, a guide band 35 is suspended and tensioned from an upper position of the building, and the exterior wall 95 is imaged while the imaging device 50 is raised and lowered along the tensioned guide band 35, eliminating the need for temporary scaffolding while reducing or eliminating the burden on the inspector, and further enabling the exterior wall 95 to be inspected easily and efficiently even in high-rise buildings.

Note that the configurations described in the above embodiments may be combined with other components, and the present invention is not limited to the configurations shown here. In this regard, changes can be made without departing from the spirit of the present invention, and can be determined appropriately according to the application form.

10: Base 10a: Underside 10b: Upper side 13, 14: Capping clamp 15: Roller 18: Horizontal adjustment member 18a: Underside 18b: Upper side 20: Band winder 25: Guide band 28: Horizontal band 30: Rope winder 35: Rope 41: Lifting body 42: Bracket 43: Clamp 45: Pan head 45a: Rotating part 50: Camera 55: Illuminator 60, 60A: Tensile biasing member 70: Cone 80: Exterior wall inspection device 90: Roof 91: Parapet 92: Capping 92a: Top surface (tapered surface)
95: Exterior wall 96: Joint 97: Window frame 98: Ventilation hood 99: Gutter

Claims (7)

An exterior wall inspection device that inspects exterior walls by suspending an imaging device from an upper position of a building,
A strip-shaped guide band;
Rope and
The imaging device is suspended from the rope and moves up and down along the guide band;
a band winding machine that winds up the guide band;
a rope winding machine for winding the rope;
A tension biasing member that is attached below the guide band and that stretches and tensions the guide band by winding the guide band upward ;
and a weight attached below the tension biasing member. A lifting body attached to a lower end of the rope so as to be movable up and down relative to the guide band;
A bracket attached to the lifting body;
A clamp attached to the bracket;
a pan head attached to the clamp;
2. The exterior wall inspection device according to claim 1, wherein the imaging device is attached to the camera platform. The exterior wall inspection device according to claim 2, characterized in that the camera platform has a rotating part and the imaging device is attached to the rotating part. A horizontal band is attached to the lower end of the guide band and extends in a horizontal direction.
4. The exterior wall inspection device according to claim 1, wherein the tensile biasing member has a V-shape when viewed from the front and connects the left and right positions of the horizontal band and the weight. The band winding machine and the rope winding machine are mounted on a common base,
An exterior wall inspection device as described in any one of claims 1 to 4, characterized in that a capping clamp is attached to the underside of the base, which is engaged with the indoor side and outdoor side of the capping of a handrail or parapet on which the base is placed and fixed. The exterior wall inspection device according to claim 5, characterized in that when the top end surface of the coping is a tapered surface, a horizontal adjustment member whose upper surface becomes a horizontal plane when placed on the tapered surface is attached with its upper surface abutting against the lower surface of the base. An exterior wall inspection method for inspecting an exterior wall by suspending an imaging device from an upper position of a building, comprising:
a step A in which a tension biasing member is attached below a band-shaped guide band and a weight is attached below the tension biasing member, and the guide band is hung from the upper position and the weight is allowed to land on the bottom, and then the guide band is wound up at the upper position, thereby tensioning the guide band while stretching the tension biasing member;
An exterior wall inspection method, comprising: a step B of raising and lowering the imaging device along the stretched guide band and imaging the exterior wall with the imaging device.

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