KR102295903B1 - Moving and installing shielding for radiation transmission inspection of buried piping - Google Patents

Abstract

The present invention relates to a shielding body moving and installing device for radiation transmission inspection on a buried pipe and, more specifically, to a shielding body moving and installing device for radiation transmission inspection on a buried pipe, which can safely and easily transport and install a shielding body, which is a heavy object that prevents the radiation, emitted from a radiation source, from being exposed to the outside during non-destructive testing, thereby preventing musculoskeletal disorders and accidents that may occur during transportation of heavy objects as a worker carries the shielding body, can increase transport speed, thereby significantly reducing working hours, and can easily adjust the angle of the shielding body in accordance with the angle at which the radiation is emitted and install the same. To achieve the technical problems, the prevent invention provides the shielding body moving and installing device for radiation transmission inspection on a buried pipe. The shielding body moving and installing device comprises: a body part provided in a foldable type so that a first metal plate and a second metal plate are coupled by a rotating member to be folded or unfolded; a plurality of wheel parts detachably coupled to the body part by coupling means, and for guiding the body part so that the same can slide smoothly on the ground; a shielding member for blocking radiation from being transmitted by surrounding the outer circumferential surface of a pipe, and having a plurality of first engaging pieces formed at both ends thereof; and elevating means respectively provided on both lower portions of the body part with the body part unfolded to vertically elevate the shielding member from below the body part.

Description

Device for moving and installing shielding for radiation transmission inspection of buried piping

The present invention relates to an apparatus for moving and installing a shield for radiographic examination of a buried pipe, and more particularly, to safely and easily transport and install a shield, which is a heavy object that prevents exposure of radiation emitted from a radiation source to the outside during a non-destructive test. Thus, it is possible to prevent musculoskeletal disorders and safety accidents that may occur between transporting heavy objects in advance as workers have to carry them and carry them, as well as significantly reducing the working time by increasing the transport speed, and the angle at which radiation is emitted. It relates to a device for moving and installing a shield for a radiography examination of a buried pipe that allows the angle of the shield to be easily adjusted and installed in accordance with the present invention.

In general, when constructing an outdoor buried pipe such as a high-pressure gas pipe, the connection part of the pipe and the pipe is installed by welding. At this time, the welding part is subjected to a non-destructive inspection according to legal requirements such as the high-pressure gas method.

RT (Radiographic Testing) is similar to how we check if there are any abnormalities in bones or organs inside the human body with X-ray examination in hospitals, in order to inspect internal defects in manufactured products or products in the process of being manufactured. It is a very useful inspection method to check the internal defects of a product by taking a picture using gamma rays among radiation emitted from a radioactive material, developing and printing it, and analyzing the blackness.

For the radiographic inspection of such a buried pipe, the welding part of the pipe separated by a certain distance or more along the pipe is tracked and performed. can

However, the current simple shielding body between inspection points is moved by manpower without a separate means, which causes musculoskeletal disorders in the person concerned. As it fell, the working time increased, and there was a problem in that the working efficiency was lowered.

Korean Patent Registration No. 1957383 has been registered. Republic of Korea Utility Model Registration No. 0321437 has been registered.

The present invention has been devised to solve all the problems of the prior art as described above, and the object of the technical configuration of the present invention is to safely and By making it easy to transport and install, it is possible to prevent musculoskeletal disorders and safety accidents that may occur between transporting heavy objects as workers have to carry them in the past. , to provide a device for moving and installing a shield for radiography examination of a buried pipe that can be installed by easily adjusting the angle of the shield according to the angle at which radiation is emitted.

The present invention for achieving the above technical problem is a body portion in the form of a square plate provided in a foldable manner to enable folding and unfolding by combining a first metal plate and a second metal plate by a rotating member; a plurality of wheel parts detachably coupled to the body part by a coupling means and guiding the body part so that the body part can slide smoothly on the ground; a shielding member that surrounds the outer circumferential surface of the pipe to block radiation from being transmitted, and a plurality of first engaging pieces are formed at both ends; and elevating means respectively provided on both sides of the lower part of the body in an unfolded state to elevate the shielding member in the vertical direction from the lower part of the body.

In addition, a plurality of coupling means are formed on both side edges of the body part in an unfolded state, and a plurality of first fastening grooves having locking protrusions formed on the inner circumferential surface, and a plurality of first fastening grooves are formed on the front edge of the body in an unfolded state, the inner surface A second fastening groove in which a locking protrusion is formed in the second fastening groove, and a coupling stone protruding from the upper end of the wheel part so as to be selectively fitted into the first fastening groove and the second fastening groove, and having a locking protrusion caught by the locking protrusion formed on the outer surface of the outer surface It is characterized by including wealth.

In addition, it is characterized in that a handle is provided on the rear edge of the body part so that the body part can be folded and pulled while the wheel part is coupled to the second fastening groove.

In addition, the elevating means includes a case having an internal space and fixed to the body portion, a rotating shaft rotatably provided inside the case and having a pulley on which a wire is wound at both ends, respectively; A pair of wires that are wound and have a hook hooked on the first locking piece of the shielding member at the end and are connected to one end of the rotary shaft to rotate the rotary shaft in the left and right directions to wind and unwind the pair of wires. It is characterized in that it comprises a handle for manipulating.

In addition, a laser point for easily matching the center of the pipe with the center of the body is detachably mounted at the center of the lower end in the unfolded state of the body.

According to the present invention, by providing a lifting means and a wheel in the body portion, it prevents safety accidents from occurring as well as increases the transport speed as no manpower is required to move or elevate the position of the shielding member, which is a heavy object. By increasing it, the working time can be significantly reduced.

In addition, by providing the shielding member to be rotated in the left and right directions, it is possible to minimize the radiation exposure to the outside by adjusting the angle of the shielding member according to the angle at which the radiation is reflected.

In addition, by having the body part foldable, it has an effect of maximizing the space utilization required for storage by folding in half to reduce the volume during storage.

In addition, by providing the laser point in the body, the center of the pipe and the center of the body can be easily matched, so that the shielding member can be accurately positioned on the upper part of the pipe.

1 is a perspective view showing an apparatus for moving and installing a shield for a buried pipe radiography according to the present invention.
Figure 2 is a bottom perspective view of Figure 1;
Figure 3 is a perspective view showing a state in which the body portion is folded in half for storage after completing the non-destructive test.
Figure 4 is a perspective view showing a state erected to move to the storage location in the state of Figure 3;
5 to 7 are cross-sectional views showing a state in which a non-destructive inspection is performed by using the device for moving and installing a shield for a buried pipe radiographic inspection according to the present invention.

Since the present invention can have various changes and can have various embodiments, specific embodiments are illustrated in the drawings and described in the detailed description.

However, this is not intended to limit the present invention to specific embodiments, and it should be understood to include all modifications, equivalents and substitutes included in the spirit and scope of the present invention. In describing each figure, like reference numerals have been used for like elements.

Terms including an ordinal number such as second, first, etc. may be used to describe various elements, but the elements are not limited by the terms.

The terms used herein are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the second component may be referred to as the first component, and similarly, the first component may also be referred to as the second component. and/or includes a combination of a plurality of related listed items or any of a plurality of related listed items.

When a component is referred to as being “connected” or “connected” to another component, it is understood that the other component may be directly connected or connected to the other component, but other components may exist in between. it should be On the other hand, when it is mentioned that a certain element is "directly connected" or "directly connected" to another element, it should be understood that the other element does not exist in the middle.

The terms used in the present application are only used to describe specific embodiments, and are not intended to limit the present invention. The singular expression includes the plural expression unless the context clearly dictates otherwise. In the present application, terms such as “comprise” or “have” are intended to designate that a feature, number, step, operation, component, part, or combination thereof described in the specification exists, but one or more other features It should be understood that this does not preclude the existence or addition of numbers, steps, operations, components, parts, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical and scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in a commonly used dictionary should be interpreted as having a meaning consistent with the meaning in the context of the related art, and should not be interpreted in an ideal or excessively formal meaning unless explicitly defined in the present application. does not

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

1 is a perspective view showing an apparatus for moving and installing a shield for radiography of a buried pipe according to the present invention, FIG. 2 is a bottom perspective view of FIG. 1, and FIG. 3 is a state in which the body part is folded in half for storage after the non-destructive inspection is a perspective view showing a, and FIG. 4 is a perspective view showing a state erected to move from the state of FIG. 3 to the storage place.

1 to 4, a description will be given of an apparatus for moving and installing a shield for buried pipe radiography according to the present invention.

First, the present invention enables safe and easy transport and installation of a shield, which is a heavy object that prevents radiation emitted from a radiation source from being exposed to the outside during non-destructive testing, so that musculoskeletal disorders and heavy objects may occur between transporting them in the past as workers have to carry them. In addition to being able to prevent possible safety accidents in advance, the work time can be significantly reduced by increasing the transport speed. It relates to a device for moving and installing a shield for transmission inspection, and such a device for moving and installing a shield for radiography of a buried pipe is largely a body part 100, a wheel part 200, a shielding member 300 and a lifting means 400. is comprised of

The body portion 100 is generally made in the form of a square plate, and the first metal plate 110 and the second metal plate 120 made of steel are rotatably coupled by the rotating member 130 to be folded and unfolded. do.

In addition, in the rear edge of the body part 100, the body part 100 is folded and erected so that the body part 100 can be easily grabbed and dragged while the wheel part 200 is coupled to the second fastening groove 520. A handle 140 may be provided.

In addition, in the center of the lower end of the body portion 100 in an unfolded state, the center of the pipe 10 and the center of the body 100 can be easily matched, so that the shielding member 300 is precisely positioned on the upper portion of the pipe 10 . The laser point 150 for positioning may be detachably mounted by the detachable means 600 .

On the other hand, the laser point 150 is to emit a laser beam with power applied through a disposable battery or a built-in battery, such a laser point 150 is generally widely used and detailed description will be omitted.

In addition, the detachment means 600 includes a support plate 610 for supporting the laser point 150 , a first magnet 620 provided on upper surfaces of both ends of the support plate 610 , and a center side lower surface of the body part 100 . It is provided in the first magnet 620 and is configured to include a second magnet 630 attached to correspond.

Accordingly, since the first magnet 620 provided on the support plate 610 for supporting the laser point 140 is attached to the second magnet 630 provided on the body portion 100, the laser point 150 is attached to the body portion ( 100), which can be easily and easily detached and used.

That is, as the body part 100 is provided in a foldable manner, when the shielding member 300 is used for movement and installation, it is unfolded and used, and when the work is finished, it can be folded in half and stored in a reduced volume state. have.

The wheel part 200 is detachably coupled to the above-described body part 100 by the coupling means 500 to guide the body part 100 so that it can slide smoothly on the ground, and such a wheel part 200 is provided with a bracket portion 210 provided with a space on the inside, and is rotatably shaft-coupled to the bracket portion 210 to include a rotating rolling wheel 220 .

In addition, the coupling means 500 includes a first fastening groove 510 formed on both side edges of the above-described body part 100 in an unfolded state, and a locking protrusion 511 is formed on the inner circumferential surface, and the body part ( A plurality of second fastening grooves 520, the first fastening grooves 510 and the second fastening grooves 520 are formed on the rim of the front part in a state in which 100) is unfolded, and a locking protrusion 521 is formed on the inner surface. It is formed to protrude at the upper end of the bracket part 210 of the wheel part 200 so as to be selectively fitted to the wheel part 200, and the engaging protrusion 531 is formed on the outer surface of the locking protrusion 511 and 521. Including a coupling protrusion 530. is composed

That is, in the case of using the shielding member 300 for movement and installation, the wheel part 200 is fastened to the first fastening groove 510 so that the body part 100 excavates the ground from the ground along the buried pipe. When the operation is finished, the wheel part 200 fastened to the first fastening groove 510 is separated, the body part 100 is folded in half, and then the separated wheel part 200 is inserted into the second fastening groove 520 ) to easily move the body part 100 to a storage place.

On the other hand, although the coupling means 500 has been illustrated and described as being fastened, it is not limited thereto, and threads are formed on the inner peripheral surfaces of the first fastening groove 510 and the second fastening groove 520 , and the outer peripheral surface of the coupling protrusion 530 . It is preferable that it can be used as a screw fastening method by forming a thread on the.

The shielding member 300 surrounds the outer circumferential surface of the pipe to block radiation from being transmitted. It is formed of the same material as (W).

In addition, the first locking piece 310 is formed on both sides of the upper surface of the shielding member 300 so that the hook 431 provided at the end of the wire 430 of the elevating means 400 is hooked.

The elevating means 400 is provided on both sides of the lower part in the state in which the above-described body part 100 is unfolded to elevate the shielding member 300 in the vertical direction from the lower part of the body part 100, and such elevating means ( 400) is a case 410 having an inner space, a rotating shaft 420 which is rotatably provided inside the case 410 and is provided with a pulley 421 on which a wire is wound at both ends, respectively; A pair of wires 430 wound on a pulley 421 and having a hook 431 hooked on the first locking piece 310 of the shielding member 300 at the end and one end of the rotating shaft 420 . It is connected to and rotates the rotation shaft 420 in the left and right direction to include a handle 440 for manipulating the winding and unwinding of the pair of wires 430 .

In addition, the hook 431 is hung on both sides of the outer surface of the case 410 to prevent noise from occurring as the hook 431 provided at the end of the wire 430 wound on the pulley 421 shakes. A second locking piece 411 may be formed.

Hereinafter, the method and effect of using the shielding body movement and installation apparatus for radiographic examination of the buried pipe of the present invention configured as described above will be described.

In order to inspect the weld of the pipe 10 installed underground by burying the ground, the collimator 20 is placed near the weld to be inspected and radiation is radiated to perform a non-destructive test on the weld. In order to block the exposure, the shielding member 300 is disposed on the upper portion of the pipe 10 .

In order to arrange the shielding member 300 on the upper part of the pipe 10 in this way, as shown in FIG. 5 , the wheel part 200 is coupled to the first fastening groove 510 in the unfolded state of the body part 100, and the body part After fastening the hook 431 provided on the wire 430 of the lifting means 400 provided on both sides of the lower part of the 100 to the first locking piece 310 formed in the shielding member 300, the handle 440 ) to lower the shielding member 300 by manipulating it, so it is disposed on the upper part of the pipe 10 .

In this case, the shielding member 300 disposed on the upper portion of the pipe 10 may be rotated in the left and right directions by manipulating the handle 440 according to the installation position of the collimator 20 and the radiation angle of the radiation. That is, when the collimator 20 is provided on the lower right side of the pipe 10 as shown in FIG. 6 , the handle 440 provided on the right side of the body part 100 is rotated to pull the wire 430 and the left side By rotating the handle 440 provided in the wire 430 to release the wire 430, the shielding member 300 is rotated in the left direction so that the center of the collimator 20 and the center of the shielding member 300 are aligned with the collimator 20. Restriction of exposure to external radiation as much as possible.

In addition, when the collimator 20 is provided on the lower left side of the pipe 10 as shown in FIG. 7 , the handle 440 provided on the left side of the body part 100 is rotated to pull the wire 430 and By rotating the handle 440 provided on the right side to release the wire 430, the shielding member 300 is rotated in the right direction to align the center of the collimator 20 with the center of the shielding member 300, so that the collimator 20 ) to limit exposure to the outside radiation as much as possible.

In addition, when the shielding member 300 needs to be moved for the non-destructive test of another location after performing the non-destructive test at one location, the body part 100 is removed in a state in which the shielding member 300 is disposed as shown in FIG. 5 . By moving it, you can move to the next inspection position. At this time, the body portion 100 may be moved as the operator rotates the rolling wheel 220 by manually pushing or dragging.

And when the non-destructive test is completed, fold the unfolded body part 100 in half as shown in FIG. 3 , and then separate the wheel part 200 coupled to the first fastening groove 510 and remove the separated wheel part 200 . 2 After coupling to the fastening groove 520, the body part 100 is set up so that the wheel part 200 is placed on the floor as shown in FIG. 4, and then hold the handle 140 provided in the body part 100 and push or drag to store It can be easily moved to a location.

That is, the present invention uses the lifting means 400 provided in the body portion 100 when moving or elevating the location of the shielding member 300, which is a heavy object, so that the It not only solves problems that cause musculoskeletal disorders and safety accidents, but also increases work efficiency and shortens work time, thereby reducing construction costs.

In addition, by providing the shielding member 300 to rotate in the left and right directions, it is possible to minimize the radiation exposure to the outside by adjusting the angle of the shielding member 300 according to the angle at which the radiation is reflected.

In addition, by providing the body part 100 in a foldable manner, it has an effect of maximizing the use of space required for storage by folding in half to reduce the volume during storage.

100: body
110: first metal plate
120: second metal plate
130: rotating member
140: handle
150: laser point
200: wheel part
210: bracket part
220: cloud wheel
300: shielding member
310: the first jamming piece
400: elevating means
410: case 411: second locking piece 420: rotating shaft
421: pulley 430: wire 431: hook 440: handle
500: coupling means
510: first fastening groove 520: second fastening groove 530: coupling protrusion
600: detachment means
610: support plate 620: first magnet 630: second magnet

Claims (5)

The first metal plate 110 and the second metal plate 120 are coupled by a rotating member 130 to enable folding and unfolding the body portion 100 in the form of a square plate provided in a foldable manner;
a plurality of wheel parts 200 that are detachably coupled to the body part 100 by a coupling means 500 and guide the body part 100 to slide smoothly on the ground;
a shielding member 300 that surrounds the outer circumferential surface of the pipe to block radiation from being transmitted, and a plurality of first engaging pieces 310 are formed at both ends; and
Buried comprising a; elevating means 400 provided on both sides of the lower portion of the body portion 100 in an unfolded state to elevate the shielding member 300 in the vertical direction from the lower portion of the body portion 100. A device for moving and installing shields for pipe radiography.
According to claim 1,
The coupling means 500,
A plurality of first fastening grooves 510 are formed on both side edges of the body portion 100 in an unfolded state, and a locking protrusion 511 is formed on the inner circumferential surface;
A plurality of second fastening grooves 520 are formed on the front edge of the body part 100 in an unfolded state, and a locking protrusion 521 is formed on the inner surface, and
The first fastening groove 510 and the second fastening groove 520 are formed to protrude at the upper end of the wheel part 200 so as to be selectively fitted into the second fastening groove 520 , and on the outer surface of the first fastening groove 510 and the second fastening groove 520 , the locking projections caught by the respective locking jaws 511 and 521 . (531) A device for moving and installing a shielding body for radiographic examination of buried piping, characterized in that it includes a coupling protrusion 530 that is formed.
According to claim 1,
On the edge of the rear part of the body part 100, a handle 140 is provided so that the body part 100 can be folded and erected so that the body part 100 can be grabbed and dragged while the wheel part 200 is coupled to the second fastening groove 520. A device for moving and installing a shield for a buried pipe radiography, characterized in that it is provided.
According to claim 1,
The lifting means 400,
A case 410 provided with an internal space and fixed to the body portion 100,
A rotating shaft 420 that is rotatably provided inside the case 410 and each of which is provided with a pulley 421 on which the wire 430 is wound at both ends;
A pair of wires 430 wound around each pulley 421 and provided with a hook 431 hooked on the first locking piece 310 of the shielding member 300 at the end thereof, and
Buried pipe radiation, characterized in that it includes a handle 440 connected to one end of the rotating shaft 420 to rotate the rotating shaft 420 in the left and right directions to operate the winding and unwinding of the pair of wires 430 . A device for moving and installing a shield for penetration inspection.
According to claim 1,
Buried pipe, characterized in that the laser point 150 for easily matching the center of the pipe and the center of the body 100 to the center of the lower end in the unfolded state of the body 100 is detachably mounted. A device for moving and installing shields for radiography.

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