KR100611355B1 - Inspection Apparatus for Water Pipeline - Google Patents

Abstract

The present invention relates to a water conduit inspection apparatus that can be confirmed by the robot equipped with a camera in the water supply pipeline without performing the operation such as digging the abnormality of the state of the water supply pipeline embedded in the ground.

The present invention is a hollow body formed body; A front end coupled to the front end of the main body; A rear end coupled to the rear end of the main body; A shaft installed at the center of the rear end portion; A screw mounted to one end of the shaft to generate thrust for forward or backward; A motor mounted to the main body to transfer power to the shaft; A light installed at the front of the front end to illuminate the front; A camera installed at the front end to photograph the front; A cable for transmitting power required for driving the motor, the light, and the camera and an image signal output from the camera; A buckle provided on an outer surface of the main body to provide a buoyancy force to allow swimming in the fluid inside the conduit; A controller connected to the cable to control the motor and the light, and receive an image signal from the camera and display the image signal on a monitor; It is composed of a power supply unit for supplying driving power through the control unit.

Constant, pipeline, camera, filming, inspection

Description

Waterworks pipeline inspection device {Inspection Apparatus for Water Pipeline}

1 is a block diagram for explaining the configuration of the water supply pipe inspection apparatus according to the present invention.

Figure 2 is an exemplary view showing the structure of a water supply pipe for explaining the present invention.

Figure 3 is a side cross-sectional view for explaining the structure of the moving body according to the present invention.

Figure 4 is a front view for explaining the structure of the moving body according to the present invention.

5 is an exemplary view for explaining a cable and a drum according to the present invention.

Explanation of symbols on the main parts of the drawings

10: robot 20: float

30: guide 40, 50: coupling portion

60: control unit 62: connector

63: cable 65: power supply

70: camera 76: light

80: caption processing unit 82: keyboard

84: monitor 86: recording playback unit

90: motor 98: screw

The present invention relates to a water supply pipe inspection device, and more particularly, to a water supply pipe inspection device that can be confirmed by the robot equipped with a camera whether there is an abnormal condition of the water supply pipe buried in the ground.

In general, tap water is supplied to consumers through medium or small diameter tap water pipes branched by the area after supplying the treated water in the intake and purification plants by region through a large diameter water pipe.

As described above, the water supply pipe for supplying the constant water may be corroded due to long-term use, or sludge may be deposited therein so that the supply of the water water may not be smoothly performed.

By the way, the inspection work for checking the abnormality of the water supply pipe can be easily confirmed by the worker if the pipe is a large diameter that can be entered by the worker, but most of the water supply pipe is of such a diameter that the worker cannot enter Because it is made of small diameter, it is impossible to check it directly by the operator, and it is possible only through the digging work.

In addition, although there is a sewage photographing apparatus capable of photographing and observing the internal state of the sewer in the technical field related to the present invention, since most water supply pipes are always supplied with a constant water supply, both ends of the inspection section are blocked for inspection. Even if it is filled inside the pipeline, it is impossible to check whether there is an abnormality in the water supply pipeline by using the sewer photographing apparatus that does not operate underwater.

In addition, the existing sewerage system has a problem that can not be applied to the water supply pipeline having a distance of 1km because the shooting distance is within 200m.

Accordingly, the present invention has been made in view of the problems of the prior art, the object of the present invention is to provide a water supply pipe inspection apparatus that can check the presence or absence of abnormality of the pipeline from the outside by being able to move in the water directly. .

In addition, the present invention provides a water supply pipe inspection apparatus that can move while maintaining a stable posture for accurate image acquisition, and secures a sufficient length of a cable so that all inspection sections of the water supply pipe can be examined.

In order to achieve the above object, the present invention provides a hollow body formed body; A front end coupled to the front end of the main body; A rear end coupled to the rear end of the main body; A shaft installed at the center of the rear end portion; A screw mounted to one end of the shaft to generate thrust for forward or backward; A motor mounted to the main body to transfer power to the shaft; A light installed at the front of the front end to illuminate the front; A camera installed at the front end to photograph the front; A cable for transmitting power required for driving the motor, the light, and the camera and an image signal output from the camera; A buckle provided on an outer surface of the main body to provide a buoyancy force to allow swimming in the fluid inside the conduit; A control unit connected to the cable to control forward and reverse rotation of the motor, control whether the light is illuminated, and receive and display an image signal from the camera on a monitor; It provides a water supply pipe inspection apparatus comprising a power supply unit for supplying driving power to the motor and the light through the control unit.

The motor is characterized in that it is installed on the lower end of the inside of the body to serve as a ballast.

The float is formed in the form of a tube filled with air therein for buoyancy enhancement, and is installed at the upper end of the main body and / or left and right sides of the main body for balancing.

The present invention is configured to further include a guide elastically connected to the main body is made of a structure in which both ends are bent inwardly in a streamline shape so as to avoid the impact with the pipe during the forward and backward.

In order to transmit power between the motor and the shaft, an reducer comprising an input gear coupled to the rotational shaft of the motor and an output gear coupled to the input gear to reduce the rotation speed, and an output shaft of the output gear of the reducer and the other end of the shaft It further comprises a power transmission means consisting of a coupling for connecting.

One end of the cylindrical screw protector is fixed to the rear end for the protection of the screw is configured.

(Example)

Hereinafter, with reference to the accompanying drawings showing a preferred embodiment of the present invention described above in more detail.

Before describing the water supply pipe inspection apparatus according to the present invention, a structure of a pipeline (hereinafter, an embodiment of the present invention uses a water supply pipe as an example, and a fluid flowing through the pipe will be described using water having a specific gravity of 1 as an example) will be described. It demonstrates with reference to 2.

The water supply line is an inspection opening that can be opened and closed to observe the inside of the water supply line 1, a plurality of valves 3 for controlling the movement of the water line 1, a plurality of valves 3 for controlling the movement of the water line 1, and branches for branching. (2) and the like.

The check opening 2 connected to the pipe line 1 is generally installed every about 1 km section, and the inspection for checking the abnormality of the pipe line 1 operates the valve 3 to operate the pipe line ( After lowering the water pressure in 1), it can confirm after opening the said inspection opening 2.

The water supply line inspection apparatus according to the present invention for inspecting the inside of the water supply pipe as described above is connected to the moving body 10, the moving body 10 and the cable 63 to move the inside of the pipeline 1, the moving body It is composed of a monitoring device having a function of transmitting power and control necessary for the movement of and the image signal photographed by the moving object (10).

As illustrated in the block diagram of FIG. 1, the monitoring apparatus inputs caption data to the control unit 60, a caption processing unit 80 to process captions for displaying work contents in an image signal, and the caption processing unit 80. A keyboard 82 for displaying the video signal, a monitor 84 for displaying the video signal, a recording / playback unit 86 for storing and reproducing the video signal, and a power source for driving the moving object 10. It is composed of a power supply unit 65 supplied through.

3 and 4, the movable body 10 is connected to a main body 12 made of a cylindrical shape, a front end portion 14 connected to a front end of the main body 12, and a rear end of the main body 12. The rear end 16 is made of a basic skeleton.

Although the structure of the main body 12 is cylindrical in this embodiment, in some cases it may be an elliptic cylinder structure, the front end portion 14 is preferably formed in a streamlined form for smooth progression.

The coupling between the main body 12 and the front end 14 and the rear end 16 must be joined using a plurality of bolts and insert O-rings between each connection site for sealing.

Since most of the other components including the main body 12 are made of a metal having a high specific gravity, the buoyancy is allowed to flow by the screw 98 in the water for smooth movement in the water of the pipe outside the main body 12. Must be equipped with a float (20) to provide.

In the present embodiment, the three floats 20 are mounted on the upper and both sides of the main body 12, but if appropriate buoyancy control can be installed only on the top or both sides.

However, considering that the movable body 10 moves in a narrow conduit, the overall size of the movable body 10 should be reduced, so that the float 20 is used on the outer surface of the main body 12 using several small sizes. Distributed mounting is advantageous than mounting only one large size on top.

In addition, the accessory 20 should be adjusted to the size of the front end and the rear end so that the movable body 10 can be horizontal in the water.

On the other hand, while the movable body 10 is moving in the pipeline, a collision with the inner wall of the pipeline may occur, in order to prevent the damage of the movable body 10 due to the collision, in the present embodiment four guides at intervals of 90 degrees ( 30) was installed to the outside of the mouth 20.

The guide 30 is made of a material having elasticity capable of absorbing shock, and is formed in a structure in which both ends are bent inwardly, such as a top portion of a ski, and when the guide 30 is mounted to the main body 12, a guide ( It is coupled by the coupling portion (40, 50) to mitigate the impact applied to 30.

As shown in the partial detailed view of FIG. 2, the coupling parts 40 and 50 together with the first fitting part 40 and the guide 30, which fix only the guide 30, together with the sub-ball 20. It is divided into a second coupling part 50 for fixing. First, a common structure will be described. Stud nuts 41 and 51 fixed to the outer surface of the main body 12 and a cylindrical hollow part formed therein are formed at one end thereof. The cylinder 42 coupled to the stud nuts 41 and 51, the compression type springs 43 and 53 accommodated in the cylinders 42 and 52, and one end of the springs 43 and 53, A piston is formed inside the cylinders 42 and 52 and rods 45 and 55 on which the guide 30 is fixed at the other end thereof are installed at one end of the cylinders 42 and 52 and the rods 45 and 55. ) Stopper (44, 54) to prevent the piston from coming out.

And, in order to adjust the distance between the guide 30 and the main body 12 (it is necessary to adjust the size of the moving body for smooth movement according to the diameter of the pipe.), The rod 30 is fixed to the guide ( One end of 45 and 55 has a screw formed therein, and fixes the guide 30 together with the first screws 46 and 56 coupled to the inside of the guide 30 and the first screws 46 and 56. The second and second screws 47 and 57, and the snap ring 48 fixed to the rods 45 and 55 on the outside of the second screws 47 and 57 to prevent the second screws 47 and 57 from loosening. , 58).

In addition, unlike the first coupling part 40 in which only the guide 30 is mounted, the second coupling part 50 is coupled to the buckle 20 together, so that the buckle 20 is attached to the outer surface of the cylinder 52. ) Is fixed by installing a float stopper (52).

The front end portion 14 is installed on the front of the camera 70 for photographing the inside of the pipeline for inspection of the pipeline, for the illumination required for the camera 70, as shown in Figure 4 the camera 70 Four lights 76 are installed at the center of the.

The light 76 is irradiated to the front direction by the reflector 77 for efficient illumination, respectively, the light 76 and the reflector 77 is sealed by the light case 78.

The camera 70 is installed at the front center of the front end portion 14, and a wide angle lens 72 for wide-angle photographing and a lens 71 for focusing control are installed in front of the camera 70.

The wide-angle lens 72 is coupled to the front surface of the front end 14 by a screw coupling method to protect the camera 70 by sealingly coupled with an O-ring to prevent leakage.

In the main body 12, a motor 90 generating power for movement is installed, and the motor 90 should be a motor capable of controlling the rotational speed and forward / reverse rotation. .

In addition, the motor 90 may be installed at the inner lower center of the main body 12 so as to serve as a ballast of the movable body 10.

The driving force of the motor 90 is decelerated and output by the reducer, and the reducer is coupled to the input gear 91 coupled to the rotating shaft of the motor 90 and the input gear 91 to reduce the rotation speed. The main gear is composed of a reduction gear casing 92 which receives the input gear 91 and the output gear 93 therein and is fixed to one side of the motor 90. The output shaft 93a is supported by the bearing.

The rear end 16 is equipped with a screw 98 for generating a thrust for moving forward or backward of the moving body 10, the screw 98 is a bearing 96 is installed in the center of the rear end 16 The shaft screw 95a is fixed to one end of the shaft 95 supported by the retainer 97 for preventing over leakage.

The shaft 95 is connected to the output shaft 93a through a coupling 94.

The coupling 94 has a function of transmitting the driving force of the output shaft 93a to the shaft 95, as well as a flexible coupling for smooth power transmission even if each slightly out of alignment.

In addition, a cylindrical screw protector 99 is mounted on the rear end 16 to prevent the screw 98 from contacting the inside of the pipeline during operation.

In order to connect a cable 63 for driving and controlling the motor 90, the camera 70, and the light 76 installed in the movable body 10, each terminal is connected to the motor 90, the camera 70. The connector 62 connected to each terminal of the light 76 is installed at one side of the main body 12. However, the connector 62 should be coupled to the main body 12 in a sealed structure so that leakage does not occur through the connector 62, and even when the connector 62 is coupled with the cable 63, the leakage inside the connector 62 is prevented. Since it should not occur, the waterproof connector 62 should be used.

The cable 63 is preferably secured to a length of at least about 600m in consideration of the fact that the check hole is installed in the water supply pipe at intervals of 1km. Therefore, it is preferable to use the cable 63 as a cable drum 64.

In order to inspect the water supply pipe using the movable body 10 according to the present invention configured as described above in consideration of the diameter (inner diameter) of the water supply pipe by adjusting the distance from the main body 12 of the guide 30, the connector 62 After connecting the cable (63) to the water supply pipe into the inspection port.

In the state in which the moving body 10 is inserted into the water supply pipe as described above, the power supply is advanced to the motor 90 and the light 70 through the control unit 60 to move forward and the inside of the water supply pipe using the camera 70. When shooting, the video signal is displayed on the monitor 84 through the control unit.

At this time, when the motor 90 rotates forward, the moving body 10 moves forward, and when the motor rotates backward, the motor moves backward. When the abnormality is found while moving, the motor 90 rotates backward to move to the corresponding position. It is possible to observe in detail using the camera 70 in a state in which the moving object 10 is stopped by cutting the driving power of the motor 90.

When the inspection of the water supply line is completed, the motor 90 is rotated in reverse to remove the moving object 10 through the check hole that is inserted backward.

However, since the interval length of the inspection port installed in the water supply pipe is usually about 1km, it cannot be inspected by the cable 63 of 600m, so that the movable body 10 is injected into the inspection gate on the opposite side of the corresponding section and inspected in the same manner as described above.

Meanwhile, the caption data input through the keyboard 82 is captioned by the caption processing unit 80 and displayed on the monitor 84 in the video signal photographed and output by the camera 70 as described above. It is recorded in the recording and playback section 86.

The video signal recorded in the recording and playback section 86 is reproduced in later detailed examination and output to the monitor 84.

The present invention made as described above, while smoothly moving forward and backward in the water of the water supply pipe, it provides an effect that can easily check the presence or absence of the water supply pipeline by taking a picture of the inside in real time.

In addition, since it moves while maintaining a stable posture in the water supply pipe, it provides an effect that can obtain an accurate image.

In the above, the present invention has been illustrated and described with reference to specific preferred embodiments, but the present invention is not limited to the above-described embodiments, and the general knowledge in the technical field to which the present invention pertains without departing from the spirit of the present invention. Various changes and modifications will be possible by those who have the same.

Claims (5)

A hollow body formed therein; A front end coupled to the front end of the main body; A rear end coupled to the rear end of the main body; A shaft installed at the center of the rear end portion; A screw mounted to one end of the shaft to generate thrust for forward or backward; A motor mounted to the main body to transfer power to the shaft; A light installed at the front of the front end to illuminate the front; A camera installed at the front end to photograph the front; A cable for transmitting power required for driving the motor, the light, and the camera and an image signal output from the camera; A buckle provided on an outer surface of the main body to provide a buoyancy force to allow swimming in the fluid inside the conduit; A control unit connected to the cable to control forward and reverse rotation of the motor, control whether the light is illuminated, and receive and display an image signal from the camera on a monitor; A power supply unit supplying driving power to the motor and the light through the control unit; Waterworks pipeline inspection device comprising a. The apparatus of claim 1, wherein the motor is installed at a lower end of the main body to serve as a ballast. The water supply of claim 1, wherein the float is formed in the form of a tube filled with air therein for buoyancy enhancement, and is installed at the upper end of the main body and / or at the left and right sides of the main body for balancing. Pipeline inspection device. The water supply system of claim 1, further comprising a guide elastically connected to the main body having a structure in which both ends are bent inwardly in a streamline shape so as to avoid an impact with the pipe line during the forward and backward movements. Pipeline inspection device. The speed reducer of claim 1, further comprising: an output gear coupled to the rotational shaft of the motor and an output gear coupled to the input gear to reduce the rotation speed for power transmission between the motor and the shaft; an output shaft of the output gear of the reducer. And a power transmission means comprising a coupling for connecting the other end of the shaft to the water supply pipe inspection apparatus.

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