KR101750614B1 - Underwater structure inspection equipment - Google Patents

Underwater structure inspection equipment Download PDF

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Publication number
KR101750614B1
KR101750614B1 KR1020150114123A KR20150114123A KR101750614B1 KR 101750614 B1 KR101750614 B1 KR 101750614B1 KR 1020150114123 A KR1020150114123 A KR 1020150114123A KR 20150114123 A KR20150114123 A KR 20150114123A KR 101750614 B1 KR101750614 B1 KR 101750614B1
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KR
South Korea
Prior art keywords
underwater structure
socket
main body
image
unit
Prior art date
Application number
KR1020150114123A
Other languages
Korean (ko)
Other versions
KR20170019812A (en
Inventor
이동준
Original Assignee
이동준
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Publication date
Application filed by 이동준 filed Critical 이동준
Priority to KR1020150114123A priority Critical patent/KR101750614B1/en
Publication of KR20170019812A publication Critical patent/KR20170019812A/en
Application granted granted Critical
Publication of KR101750614B1 publication Critical patent/KR101750614B1/en

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/14—Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/8806—Specially adapted optical and illumination features
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/0002—Inspection of images, e.g. flaw detection
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • H02J7/0044—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction specially adapted for holding portable devices containing batteries
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/10—Scanning
    • G01N2201/102—Video camera
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/10—Scanning
    • G01N2201/103—Scanning by mechanical motion of stage
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10016—Video; Image sequence

Abstract

The present invention relates to an apparatus for inspecting an underwater structure, the apparatus comprising: a body disposed at a predetermined distance from an outer circumferential surface of an underwater structure; A plurality of wheels mounted on the outer circumferential surface of the underwater structure for rolling movement, a frame on which the plurality of wheels are mounted, and a connection portion connecting the frame and the main body and having a length adjusting portion, Cloud operating part; A driving unit connected to the main body to form a plurality of pulleys, the driving unit including a wire wound around a plurality of pulleys and connected to a drum and a drum for adjusting the length of the wire; A photographing unit comprising a socket for connecting the two linear members in a linear direction, an illumination lamp mounted on an upper portion of the socket, and a camera mounted on a lower portion of the socket; And a central control unit including a storage unit connected to the photographing unit via a wireless connection to store an image and a monitor for reproducing the image.
According to this, the body installed in the vicinity of the pier can be lowered, and the pier can be photographed by using the camera after the pierce is put into the water. Thus, safe and detailed pier safety inspection can be performed at a lower cost than the cost of inputting the diver.

Description

[0001] Underwater structure inspection equipment [

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an underwater structure inspection apparatus, and more particularly, to an inspection apparatus for an underwater structure, which is capable of photographing an outer circumferential surface of an underwater structure such as a bridge pier, The present invention relates to an underwater structure inspection apparatus.

In general, bridges are important facilities for connecting both sides of a river, and it is a facility that requires a lot of effort and cost for safety management because vehicles and people move, and it is a facility that needs periodic safety diagnosis.

The regulations for safety diagnosis of bridges are regulated by laws and regulations. Bridges are divided into general safety diagnosis and precise safety diagnosis according to the safety diagnosis cycle of bridges, and they are entrusted to appropriate companies.

The visual inspection of the bridge is to observe whether cracks have occurred on the surface of the bridge when the bridge is observed from the outside. In the past, the inspectors proceeded to visually inspect the contents of the bridge, May be photographed with a camera and stored as a detailed image.

Korean Patent No. 885312 discloses a device for photographing a bridge, and No. 885312 discloses a camera in which cameras capable of photographing a bridge pier at respective angles are installed on an upper portion of a frame installed upside down on a side of a bridge pier And is configured to photograph the pier in detail using the latter.

Until now, it has been common for divers to dive with a submersible camera and to photograph the pier of the pier. Since this work must be carried out by skilled divers, It was a difficult situation.

SUMMARY OF THE INVENTION The present invention has been conceived to solve the problems of the prior art, and it is an object of the present invention to provide a guide member provided with a camera around a pier and photographing using a camera in the water while lowering the guide member, The present invention provides an underwater structure inspection apparatus that can perform a pier safety inspection.

An object of the present invention is to provide a waterproof structure which is constituted by a plurality of linear members and an assembled flexible structure composed of elbows connecting the plurality of linear members and is arranged to surround an underwater structure, ; A plurality of wheels mounted on the outer circumferential surface of the underwater structure for rolling movement, a frame on which the plurality of wheels are mounted, and a connection portion connecting the frame and the main body and having a length adjusting portion, Cloud operating part; A driving unit connected to the main body to form a plurality of pulleys, the driving unit including a wire wound around a plurality of pulleys and connected to a drum and a drum for adjusting the length of the wire; A photographing unit comprising a socket for connecting the two linear members in a linear direction, an illumination lamp mounted on an upper portion of the socket, and a camera mounted on a lower portion of the socket; And a central control unit including a storage unit for storing an image and a monitor for reproducing the image, the remote control being connected to the photographing unit wirelessly and wirelessly.

According to the present invention, a main body installed to be movable and attachable to the periphery of an underwater structure such as a pier, a dam or the like is lowered and put into water, and a pier in the water can be photographed using a camera. Safe and precise pier safety inspection.

1 is a front view of an underwater structure inspection apparatus according to the present invention;
2 is a plan view of an underwater structure inspection apparatus according to the present invention,
3 is an exploded perspective view of an underwater structure inspection apparatus according to the present invention,
4 is a side view showing a 'cloud operation part' in the underwater structure inspection apparatus according to the present invention,
5 is a view showing a 'mounting portion of a photographing portion' in an underwater structure inspection apparatus according to the present invention;
6 illustrates an apparatus for testing an underwater structure according to another embodiment of the present invention.

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

Before describing the present invention, it is to be understood that the following terms are defined in consideration of the functions of the present invention, and that they should be construed in accordance with the technical idea of the present invention and interpreted in a general sense or commonly understood in the technical field.

In the following description, well-known functions or constructions are not described in detail to avoid obscuring the subject matter of the present invention.

Here, the attached drawings are exaggerated or simplified in order to facilitate understanding and clarification of the structure and operation of the technology, and the components do not exactly coincide with actual sizes.

1 is a front view of an underwater structure inspection apparatus according to the present invention, FIG. 2 is a plan view of an underwater structure inspection apparatus according to the present invention, FIG. 3 is an exploded perspective view of an underwater structure inspection apparatus according to the present invention, and FIG. 4 is a side view showing a 'cloud operation part' in an underwater structure inspection apparatus according to the present invention, FIG. 5 is a view showing a 'installation port of a photographing part' in an underwater structure inspection apparatus according to the present invention, and FIG. 1 is a view showing an example of an underwater structure inspection apparatus according to an example.

1 to 6, an apparatus for testing an underwater structure according to an embodiment of the present invention includes a main body 2 installed on an outer circumferential surface of an underwater structure 100; A cloud operating part 5 mounted on the main body 2 and supported in contact with the outer circumferential surface of the underwater structure 100 to perform rolling operation; A driving unit 6 for adjusting the position of the main body 2 while raising or lowering the main body 2; A photographing unit 8 attached to the main body 2 for photographing; And a central control unit (not shown) arranged on the ground to transmit and examine images photographed by the photographing unit 8.

The underwater structure 100 is, for example, a bridge bridge vertically installed in water or from the ground to support the bridge bridge, and the cross-sectional shape of the bridge bridge is generally formed in various shapes such as a circle, an ellipse and a square.

The main body 2 is installed on the outer circumferential surface of the underwater structure 100, but is preferably spaced apart at a predetermined interval so that the camera 84 can maintain the most suitable distance for photographing.

The main body 2 is formed by four or more straight members 22 forming a polygonal frame and the two straight members 22 are connected by an elbow 24 to form a polygonal It is possible to establish a framework.

On the other hand, according to another embodiment, the main body 2 can be adjusted in length by being interdigitated with each other so that a plurality of straight or arcuate members are slidable, and the selected member of the plurality of members constituting the main body 2 A tube is formed inside, and the expansion power generating portion is connected to supply hydraulic or pneumatic pressure to the tube.

Thus, the length or length of the tube may be increased or decreased by the action of injecting or discharging hydraulic or pneumatic pressure into the tube so that the overall diameter of the body can be enlarged or reduced.

According to another embodiment, the body 2 may be submerged in water or floated by water, by injecting water or injecting air into the tube formed inside the body, without using the wire 62 And the like.

The rolling operation unit 5 includes a plurality of wheels 58 that are in rolling contact with the outer circumferential surface of the underwater structure 100 and a frame on which the plurality of wheels 58 are mounted, And a connecting rod 44 having a length adjusting part connected to the main body 2 to guide the lifting or lowering of the main body 2. [

The driving unit 6 includes a wire 62 wound around a plurality of pulleys and connected to the main body 2 so as to extend upwardly and a drum 64 for winding and unwinding the wire 62, And a motor 66 connected to the drum 64.

When the operator drives the motor 66 after the driver 6 is installed on the bridge, the wire 62 is wound or unwound according to the rotation of the drum 64 connected to the motor 66, Or a lifting operation for lifting up to the upper side can be performed.

The photographing unit 8 includes a socket 26 for connecting the two linear members 22 in a linear direction, an illumination lamp 82 mounted on the upper portion of the socket 26, And a camera 84.

The central control unit (not shown) includes a storage unit connected to the photographing unit 8 by radio and wirelessly to store an image, and a monitor for reproducing the image.

On the other hand, the straight member 22 and the elbow 24 are connected to each other by fitting and length adjusting means is provided.

The length adjusting means includes a plurality of adjusting holes 222 formed in the elbows 24 and the straight members 22 and a pin 223 fitted into the adjusting holes 222.

Accordingly, it is possible to fix the pin 223 by fixing the length of the straight member 22 according to the size of the underwater structure 100 to be applied, so that the versatility can be improved.

The upper and lower hooks 245 are formed on the outer surface of the elbow 24 so that the wire 62 is connected.

A wire 62 is connected to the upper ring 245, and a weight W is attached to the lower ring 245.

A weight weight W is required to provide an appropriate weight so that the main body 2 can stably maintain its posture without shaking the flow of water in water.

On the other hand, the socket 26 of the photographing unit 8 is formed with a ring 261 to which the wire 62 is connected.

A mounting hole 263 is formed on the outer surface of the socket 26 to connect the camera 84 or the illumination lamp 82.

The mounting hole 263 is composed of a tightening screw 265 screwed to a screw hole formed on the outer surface of the socket 26 and supported by the camera 84 or the illumination lamp 82.

The length adjusting portion of the rolling operation portion 5 includes a first tube body 421 attached to the elbow 24 and a second tube body 422 inserted into the first tube body 421 and slidably adjusted to have a length ),

The first tube body 421 and the second tube body 422 are formed with a plurality of control holes 423 and a pin 424 selectively coupled to the plurality of control holes 423.

The frame is formed in a "C" shape by bending a pipe to form a vertical member 52 and a horizontal member 54 above and below the vertical member 52.

Each wheel 58 is mounted at the end of the horizontal member 54.

These frames 5 are arranged in parallel so that two of them are arranged in a row, and the bars 56 are connected to the respective horizontal members 54 of the two frames 5 to be integrated.

A third tube 423 is connected to one side of the bar 56 and the third tube 423 and the second tube 422 are connected to each other by a hinge axis P1 and are rotatably coupled.

That is, a first knife is formed at the end of the third tube 423, a second knife is formed at the end of the second tube 422 to overlap with the first knife, ).

On the other hand, the frame 5 is rotated up and down to prevent the wheel 58 from being shaken or twisted when it comes into contact with the irregular part of the surface in the process of moving on the outer circumferential surface of the underwater structure 100, A restoration device 59 is included.

The restoring device 59 is a spring having one end fixed to one side of the third tubular body 423 and the other end connected to and fixed to one side of the second tubular body 422.

Accordingly, the second tubular body 422 and the third tubular body 423 can always be maintained in a straight line state by using the property that the spring is bent and then returned to the original state.

Meanwhile, as shown in FIG. 6, according to another embodiment of the present invention, the main body 2 is always mounted on the upper part of the underwater structure 100, .

That is, as shown in the figure, the docking unit is formed at the upper end of the underwater structure 100, and the docking unit for docking the photographing unit 8 by raising the main body 2 wirelessly transmits and charges the image data.

The docking means includes a first connection port 91 connected to the photographing section 8 and formed on the main body 2 and a second connection port 91 formed on the underwater structure 100 and coupled with the first connection port 91, And a docking pad 9 on which a second connection port 92 for transmission is formed.

And an antenna transmission unit 94 formed at the upper end of the underwater structure 100 and connected to the second connection port 92 of the docking pad 9 and transmitting an image to the central control unit.

As shown in FIG. 7, a buoyancy material 400 floating on the water surface to transmit an image in real time, a wireless transmission unit 410 provided in the buoyancy material 400, a cable connected to the wireless transmission unit 410, The cable line 420 is connected to the camera 84 and further comprises a pulley member 430 connected to the line 420 and inserted into the water and wound around the cable line 420.

Therefore, the image signal photographed by the camera 84 can be transmitted in real time through the wireless transmission unit 410 provided in the buoyancy material 400 on the water via the cable line 420.

8, a cable line 420 connected to the camera 84 is connected to the docking pad 9 to transmit an image captured in the water to an antenna transmitting unit 94 provided in the docking pad 9 To the central control unit.

Referring to FIG. 6, the shingling member 96 is formed on the docking pad 9 and mounted on the outer surface of the underwater structure 100 to protect the main body 2 from contamination such as raining or heavy snow. .

Therefore, the main body 2 is normally lifted up to be fixed to the upper end of the underwater structure 100, and is positioned at the lower part of the undercover 9, and then stored.

Since the docking pad 9 fixed to the upper part of the underwater structure 100 is formed of a steel frame and the second connection port 92 is formed on one side of the lower part, the main body 2 is raised so as to be in close contact with the docking pad 9 And then fixed using a separate fastener (not shown). The fastening means may be a means similar to a conventional clamp.

When the photographing is necessary, the fastener is loosened, the wire (62) is tied to the ring of the main body (2), and the weight (W) (2) is put into water and photographed.

After the photographing is completed, the main body 2 is raised to be close to the docking pad 9, and then the first connection port 91 is connected to the second connection port 92, so that the image data can be transferred.

Thereafter, the image is transmitted to the central control unit by the antenna transmission unit 94, and the manager analyzes the image and reads the abnormality occurrence.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be taken by way of limitation, It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

2 ; Body 5; Cloud operating part
6: driving unit 8: photographing unit
44: connecting rod 58: wheel
62; Wire 64; drum
66: motor 26; socket
82: illumination lamp 84: camera

Claims (11)

A body disposed at a predetermined distance from the outer circumferential surface of the underwater structure and formed of a polygonal shape assembled with a plurality of straight members and an elbow and surrounding the underwater structure;
A plurality of wheels mounted on the outer circumferential surface of the underwater structure for rolling movement, a frame on which the plurality of wheels are mounted, and a connection portion connecting the frame and the main body and having a length adjusting portion, Cloud operating part;
A driving unit connected to the main body to form a plurality of pulleys, the driving unit including a wire wound around a plurality of pulleys and connected to a drum and a drum for adjusting the length of the wire;
A photographing unit comprising a socket for connecting the plurality of linear members in a linear direction, an illumination lamp mounted on an upper portion of the socket, and a camera mounted on a lower portion of the socket;
And a central control unit including a storage unit connected to the photographing unit via a wireless connection to store an image, and a monitor for reproducing the image,
Wherein the docking means is formed at the upper end of the underwater structure and the docking means is formed in which the main body is raised and the photographing portion is docked to wirelessly transmit and charge the image data.
The method according to claim 1,
The straight member and the elbow are connected to each other by a fitting engagement,
The length adjusting means
Wherein a plurality of control holes are formed in the elbow and the straight member, and the pins are inserted into the control hole. The method according to claim 1,
A mounting hole is formed on the outer surface of the socket to connect a camera or an illumination lamp,
Wherein the mounting hole is formed by a tightening screw screwed into a screw hole formed in an outer surface of the socket. The method according to claim 1,
The length adjusting portion of the rolling operation portion
A first tubular body attached to the elbow, and a second tubular body inserted into the first tubular body and slidably adjusted in length,
Wherein a plurality of control holes are formed in the first tube and the second tube, and a fin selectively coupled to the plurality of control holes,
The frame has a vertical member and horizontal members formed on the vertical member and the vertical member. The frame is formed in a 'C' shape and each wheel is mounted on an end of the horizontal member. The two frames are arranged in parallel so as to form a row, The frame includes a bar connecting each horizontal member,
A third tubular body is connected to one side of the bar, the third tubular body and the second tubular body are connected by a hinge shaft and are rotatably coupled,
And a restoring device comprising a spring connecting the third tubular body and the second tubular body. delete delete delete The method according to claim 1,
The docking means
And a docking pad connected to the photographing unit and having a first connection port formed on the main body and a second connection port formed on an upper portion of the pier and coupled with the first connection port to perform data transmission,
And an antenna transmitter formed at an upper end of the pier and connected to a second connection port of the docking pad and transmitting an image to the central control unit. 9. The method of claim 8,
Further comprising a shingling member formed on an upper portion of the docking pad and mounted on an outer surface of the underwater structure. The method according to claim 1,
In order to transmit images in real time,
A wireless transmission unit provided in the buoyancy material,
And a pulley member connected to a cable line connected to the radio transmitter unit,
The cable line is connected to the camera,
Wherein the video signal captured by the camera is capable of transmitting an image through the wireless transmission unit in real time via a cable line. 9. The method of claim 8,
Wherein the cable line connected to the photographing unit is connected to the docking pad, and the image photographed in water can be transmitted to the central control unit through the antenna transmitting unit provided in the docking pad.



KR1020150114123A 2015-08-12 2015-08-12 Underwater structure inspection equipment KR101750614B1 (en)

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KR20200008485A (en) * 2018-07-16 2020-01-28 주식회사 메디벨바이오 Apparatus for diagnosing skin
WO2021101303A1 (en) * 2019-11-22 2021-05-27 최종대 Crack detection system

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CN108103964A (en) * 2018-01-05 2018-06-01 辽宁科技大学 For the equipment of bridge underwater structure observation
KR102129011B1 (en) * 2018-07-17 2020-07-08 에스알이엔지 주식회사 Frame and installation method for safety diagnosis of underwater structures
CN109338883B (en) * 2018-10-17 2023-12-22 武汉理航结构安全技术有限公司 Working method of bridge underwater structure detection platform
CN109959406B (en) * 2019-04-17 2024-02-02 福州大学 Wheel type rotary cantilever underwater pier detection device and working method thereof
CN110646439A (en) * 2019-09-24 2020-01-03 江西交通职业技术学院 Intelligent recognition's quick detecting system of multi-platform vehicle-mounted bridge
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Cited By (7)

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KR20200008485A (en) * 2018-07-16 2020-01-28 주식회사 메디벨바이오 Apparatus for diagnosing skin
KR102182911B1 (en) * 2018-07-16 2020-11-25 주식회사 메디벨바이오 Apparatus for diagnosing skin
WO2021101303A1 (en) * 2019-11-22 2021-05-27 최종대 Crack detection system
KR20210062812A (en) * 2019-11-22 2021-06-01 최종대 System for inspecting crack of structure
KR102330065B1 (en) * 2019-11-22 2021-11-22 최종대 System for inspecting crack of structure
JP2022552910A (en) * 2019-11-22 2022-12-20 エフディテク カンパニー Crack detection system
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