KR100814037B1 - Inspection device for lngc pipe line with ccd camera - Google Patents

Abstract

An inspection device for an LNGC pipe line with a CCD(Change Coupled Device) camera is provided to prevent accident and reduce purchasing cost by equipping a monitor for displaying screen information from the CCD camera. An inspection device for an LNGC pipe line such as a stainless pipe with a CCD camera comprises a centering jig(40), an adjuster(50), and a monitor(60). The centering jig consists of bodies connected with a connection bar, a wheel combined to the outside of the bodies, a CCD(Change Coupled Device) camera inserted into the bodies, an auxiliary lamp fixed on the periphery of the bodies, and a connection rod(46) placed at the rear surface of the CCD camera. The adjuster is connected to the connection rod of the centering jig. The monitor connected to the adjuster displays screen information from the CCD camera. The height of the wheel is adjusted by the supporters crossed to the periphery direction of the bodies.

Description

Automatic scan type camera device for internal inspection of L & G pipes {Inspection Device For LNGC Pipe Line with CCD Camera}

Figure 1a is a photograph showing a sliding jig for a conventional pipe input,

1B is an implementation photograph in which a worker is introduced into a pipe for internal inspection of a conventional pipe,

2 is an overall configuration diagram showing an automatic scan-type camera device for the internal inspection of the LNGC pipe according to the present invention,

Figure 3a is a front view showing the automatic scan-type camera device for the internal inspection of the LNGC pipe according to the present invention,

Figure 3b is a side view showing the automatic scan-type camera device for the internal inspection of the LNGC pipe according to the present invention,

Figure 3c is a plan view showing the automatic scan-type camera device for the internal inspection of the LNGC pipe according to the present invention,

4 is an overall configuration diagram of an automatic scan-type camera device for internal inspection of LNGC piping according to a modification of the present invention,

5A and 5B are front and side views of the centering jig according to FIG. 4,

6 is a view showing an application example of the centering jig,

7a and 7b is an embodiment diagram and an embodiment photograph by the configuration of FIG.

8A and 8B are exemplary diagrams and photographs of the configuration of FIG. 4.

* Explanation of symbols on the main parts of the drawing

10: traveling device 11, 41, 42: body

12, 43: wheel 13: auxiliary roller

14, 44: auxiliary light 15, 45: CCD camera

16 connector 17 cable

20, 50: regulator 30: 60: monitor

46: connection rod 70: conduit

80: wire 100, 101: cable transfer device

411: connecting bar 431, 432: support bar

432, 434

The present invention relates to a pipe internal inspection apparatus that can check and inspect the internal condition of large and small and medium sized pipe using a CCD camera.

Conventionally, as shown in Figure 1a by working the sliding jig, the operator is introduced into the pipe for the internal inspection of the pipe worked as shown in Figure 1b in this way conventionally as a sliding jig (sled) and two workers It was composed and the worker went into the inside of the pipe with a jig like sled and performed the visual check and correction work, so the accuracy is very good, but only the large pipe over 450A is possible, and the small pipe was not visually inspected.

That is, LNGC piping (mainly stainless pipe) is to be inspected by the owner after the welding and design work. At present, it is checked by putting the worker inside the pipe for the purpose of taking measures before the official owner inspection.

In order to solve the problems described above, an object of the present invention is to provide a device for inspecting the internal condition of the pipes as well as large and medium-sized pipes as a device for the internal inspection of the pipe using a CCD camera.

The configuration of the present invention for achieving the object is, in the device 100 for inspecting the inside of the large pipe of the L & C ship, the body 11 forming the outer shape, and installed at intervals on the outer lower surface of the body (11). A plurality of wheels 12, an auxiliary roller 13 installed on the upper side, an auxiliary light 14 fixed in the circumferential direction to the CCD camera 15 provided on the upper surface, and a connector provided on the rear of the body 11 ( A traveling device 10 composed of 16; A regulator 20 to which a cable 17 is connected by a connector 16 of the traveling device 10; A monitor (30) connected to the adjuster (20) for displaying screen information by the CCD camera (15); It is configured to include, the wheel 43 is characterized in that the height is adjustable by the support (431, 433) installed diagonally to cross each other in the circumferential direction of the body (41, 42).

In another configuration, in the apparatus 101 for inspecting the inside of a small and medium sized pipe of an L & G ship, bodies 41 and 42 provided at both sides and connected to a connecting bar 411 and the bodies 11 and 12 are provided. The wheel 43 coupled to the outside of the installation, the CCD camera 45 is inserted into and fixed to the inside, the auxiliary light 45 fixed to the body 11 in the circumferential direction, the rear of the CCD camera 45 Centering jig 40 consisting of a connecting rod 46 provided in the; A regulator (50) connected to the connection rod (46) of the centering jig (40); A monitor (60) connected to the adjuster (50) and displaying screen information by the CCD camera (45); It is configured to include, the wheel 43 is characterized in that the diagonally installed to cross each other in the circumferential direction of the body (11, 12).

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

2 is an overall configuration diagram showing an automatic scan type camera apparatus for internal inspection of LNGC pipe according to the present invention, Figure 3a is a front view showing an automatic scan type camera apparatus for internal inspection of LNGC pipe according to the present invention, Figure 3b Is a side view showing the automatic scan type camera apparatus for internal inspection of LNGC pipe according to the present invention, Figure 3c is a plan view showing the automatic scan type camera apparatus for internal inspection of LNGC pipe according to the present invention, Figure 4 is 5 is a front view and a side view of FIG. 4 and FIG. 6 is a view showing an application example of a centering jig. FIG. 7A and 7B are exemplary embodiments and photographs of the configuration of FIG. 2, and FIGS. 8A and 8B are exemplary views and implementation photographs of the configuration of FIG. 4.

Referring to Figure 2 when looking at the overall configuration of the apparatus 100 for inspecting the inside of the LNGC large pipe, the inspection device 100 is for use in a large pipe, for example, 400A to 1000A CCD camera 15 is The traveling device 10 is provided, and the controller 20 for controlling the traveling device 10 and a monitor 30 for displaying data and a screen transmitted by the controller 20.

3A to 3C, the traveling device 10 is provided with a plurality of wheels 12 formed at uniform intervals on the outer bottom surface of the body 11 formed of aluminum to reduce the weight to a minimum. The wheel 12 is driven and rotated by a motor or other driving device so that the device 10 is conveyed. The wheel 12 uses urethane material so as not to affect the conduit tube 70 and the wire 80. The shape of the wheel 12 chamfered or rounded the contact portion with the conduit 70 as shown in the drawing so that the curvature of the conduit almost matched with the curvature of the conduit 70 so that there is no burden, and the auxiliary roller 13 installed above The auxiliary roller 13 is configured to be rotatably supported upward by the support bars 131 and 132 fixed to the side of the CCD camera 15. The first support bar 131 is installed on the upper surface of the body. It is fixed to the CCD camera 15 and the first support bar 131 is hinged to the second support bar 132 can change the height of the auxiliary roller 13 according to the height and the second support The auxiliary roller 13 installed above the bar 132 is installed to prevent overturning, so that the subroller 13 travels at three contact points when traveling with the wheel 12 at the bottom thereof, thereby preventing overturning.

 On the other hand, the auxiliary light (14) fixed in the circumferential direction of the CCD camera 15 is installed to illuminate the state in the dark tube to enable a detailed observation, the connector 16 provided on the back of the body (11) By the cable 17 is connected to the regulator 20 can send a signal to the transport device 10 or the information to the regulator 20 through the cable 17, the monitor 30 is The screen information by the CCD camera 15 attached to the transfer device 10 and the information on the controller are displayed on the display screen to the operator. Based on this, the state inside the pipe and the state of the transfer device are displayed. I can figure it out correctly.

Figure 4 shows the overall configuration of the apparatus 101 for inspecting the inside of the LNGC small and medium sized pipe as a variation of another configuration of the present invention, the inspection device 101 is a small and medium sized pipe for example about 60 ~ 350A It is for use in small and medium sized pipes that cannot be directly entered, and is composed of a centering jig 40 having a CCD camera 45, an adjuster 50, and a monitor 60.

5A and 5B, the configuration of the present invention will be described with reference to FIG. 6. First, the centering jig 40 is connected to and fixed by a connecting bar 411 between the bodies 41 and 42 provided at both sides. 12, the wheels 43 coupled to the outside were installed diagonally to cross each other in the circumferential direction of the body (11, 12), which is a support fixed to the body (41, 42), respectively, according to the size of 60 ~ 350A pipe 431, 433 to adjust the support (431, 433) one side is hinged to the body (41, 42), respectively, to be rotatable and the other side by the pin coupling so that the wheel 43 can rotate Combined and provided with long grooves 432, 434 in the support (431, 433) to cross each other diagonally so that the height of the wheel 43 along the long grooves (432, 434) can be adjusted freely, the height adjustment When complete, secure it to the intersection by bolts or other fastening means. It was to fix.

And the CCD camera 45 is inserted into the body (41, 42) inside the fixed installation, fixing the auxiliary light (44) in the circumferential direction of the body 41 to reveal the state in the dark tube to enable detailed observation The connection rod 46 coupled to the rear surface of the CCD camera 45 is configured to be connected to the regulator 50 by setting a plurality of connection rods according to the depth to be observed in the tube of the center ring jig 40. To the depth you want to observe.

 On the other hand, the auxiliary light (44) fixed in the circumferential direction of the CCD camera 45 is installed to illuminate the state of the dark tube to enable a detailed observation, the connection rod provided on the back of the CCD camera 45 ( 46 is connected to the adjuster 50 to send a signal to the centering jig 40 or information to the adjuster 50 through the connecting rod 46, the monitor 60 is the centering jig The screen information by the CCD camera 45 attached to the 40 and the information of the controller 50 are shown to the operator by the display screen, and based on this, the state inside the pipe 70 and the centering jig ( 40) state can be grasped accurately.

7A and 7B are exemplary embodiments and photographs of the configuration of FIG. 2, (a) is a side view illustrating an installation state, and (b) is a state diagram illustrating a transfer state of the traveling device 10. ) Is inserted into the pipe inlet to check the internal condition of the pipe and the defibrillator is fixed by the upper auxiliary roller 13 and the lower wheel 12. Here, the auxiliary roller 13 increases the height according to the diameter of the pipe. The cable 17 is connected to the adjuster 20 to the connector 16 provided at the rear of the body to adjust the traveling device 10 to be inserted up to 30 m into the pipe. By taking the state of the pipe through the CCD camera 15 provided in the check by the monitor 30, the operator can accurately grasp the state inside the pipe.

8A and 8B are exemplary diagrams and photographs of the configuration of FIG. 4. (a) is a side view showing the installation state and (b) is a state diagram showing the transfer state of the centering jig 40. First, the centering jig 40 is put into the pipe inlet for checking the internal state of the pipe and the wheels 43 ) Is installed diagonally to cross each other in the circumferential direction of the body (41, 42) and to the long grooves (432, 434) intersected with each other by adjusting the supports (431, 433) fixed to the body (41, 42), respectively. The posture is fixed to the height adjusted by using a bolt or other fastening mechanism, that is, the wheel 43 can adjust the height according to the diameter of the small and medium sized pipe, and by connecting the connecting rod 46 to the rear of the body 42 By connecting the connection rod 46 as much as the depth of the pipe to check the transfer to the centering jig 40, connected to the regulator 40, the operator can directly check the state inside the small and medium pipe through the CCD camera 45 And the depth of input Up to 30m can be charged.

As described above, the preferred embodiment according to the present invention has been described, but the present invention is not limited to the above-described embodiment, and the present invention belongs to the present invention without departing from the gist of the present invention as claimed in the following claims. Anyone with ordinary knowledge will have the technical spirit of the present invention to the extent that various modifications can be made.

As described in detail above, the present invention utilizes as a device capable of frequently inspecting the inside of large and small and medium sized pipes in the field, reducing the cost of purchasing a device that can prevent safety accidents and saving 50% of commercial products, and between operations. The process is shortened by shortening the waiting time.

Claims (4)

delete delete In the device 101 for inspecting the inside of the small and medium pipe of the L & G ship, Body 41 and 42 provided at both sides and connected to the connection bar 411, the wheel 43 is installed and coupled to the outside of the body (11, 12), and inserted into the body (41, 42) and fixed A center ring jig 40 comprising an installed CCD camera 45, an auxiliary light 44 fixed to the body 11 in the circumferential direction, and a connecting rod 46 provided on the rear surface of the CCD camera 45; A regulator (50) connected to the connection rod (46) of the centering jig (40); A monitor (60) connected to the adjuster (50) and displaying screen information by the CCD camera (45); Automatic scan type camera device for the internal inspection of the L & G pipes, characterized in that configured to include. The method of claim 3, wherein The wheel 43 is an automatic scan-type camera for the internal inspection of the L & G pipe, characterized in that the height is adjustable by the support 431, 433 diagonally installed to cross each other in the circumferential direction of the body (41, 42) Device.

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