JP6046910B2 - Radiation shielding device - Google Patents

Description

  The present invention relates to a radiation shielding apparatus in which radiation is shielded by water containers that are arranged side by side and stacked on a stationary surface such as a building floor.

  It is generally known that water has an effect of shielding radiation, and a radiation shielding apparatus that pays attention to this is conventionally shown in FIG. According to this publication, the shielding device includes a plurality of water containers arranged side by side in one direction on the stationary surface and stacked in the vertical direction.

  The shielding device shields radiation irradiated from an electron beam or X-ray radiation irradiation device for research purposes and the like. This shielding device is mainly intended to be used temporarily and simply. For this reason, as described above, water containers are arranged in parallel so that the installation work of this shielding device can be performed easily and quickly. It is supposed to be stacked.

Japanese Patent Laid-Open No. 9-304588

  By the way, since the shielding device of the conventional technique is installed by arranging water containers on a stationary surface side by side and simply stacking them, the water container constituting the shielding device is not If an external force is applied or an earthquake occurs, it may easily collapse. Therefore, during the installation of the shielding device, it is required to stack these water containers while paying attention to the collapse of the water container as described above. For this reason, the installation work of the shielding device tends to be complicated. is there. Further, after the installation of the shielding device, it is not easy to maintain the shielding device in a stable state in terms of strength.

  Therefore, in order to prevent the water containers from being easily collapsed, it is conceivable to stack these water containers in blocks of a predetermined shape that are difficult to collapse. However, in such a case, it is required to prepare a large number of blocks having the predetermined shape in advance when the installation of the shielding device is planned. Accordingly, the configuration of the shielding device is complicated accordingly, and the cost for forming and installing the shielding device may be increased.

  The present invention has been made paying attention to the above-described circumstances, and an object of the present invention is to enable easy and quick installation of the shielding device and to stabilize the shielding device after installation in strength. It is to be able to maintain it in the state.

  Another object of the present invention is to make it possible to simplify the configuration of the shielding device and to reduce the cost of forming and installing the shielding device.

The invention of claim 1 is a radiation shielding apparatus comprising a plurality of water-filled containers 4 that are arranged in parallel in one direction A on the stationary surface 3 and stacked in the vertical direction.
A supporting frame 5 which is erected on the stationary surface 3, with connecting together the respective water-containing vessel 4, each of these water-filled container 4 and a connecting member 6 for connecting to the support frame 5, the coupling A body 6 that can be deployed in a flat shape and accommodates the plurality of water containers 4 so as to integrally enclose the water containers 4, and is attached to the container film body 19 to enclose each of the water containers 4. The radiation shielding apparatus is characterized by having a binding tool 20 for binding the accommodation film body 19 together with the water-containing containers 4 and a fixture 16 for attaching the accommodation film body 19 to the support frame 5 .

  According to a fourth aspect of the present invention, there is provided the radiation shielding apparatus according to any one of the first to third aspects, further comprising a coupler 41 that couples the coupling bodies 6 stacked in the vertical direction to each other. is there.

  A fifth aspect of the present invention is the radiation shielding apparatus according to any one of the first to fourth aspects, wherein the water-filled container 4 is composed of a commercially available plastic bottle.

  The invention according to claim 6 is characterized in that the support frame 5 is formed in a gate shape, and each of the water-containing containers 4 is disposed in a space 39 surrounded by the stationary surface 3 and the support frame 5. The radiation shielding apparatus according to any one of Items 1 to 5.

  In addition, in this section, the reference numerals and drawing numbers appended to the above terms are not intended to limit the technical scope of the present invention to the “Example” section and the contents of the drawings described later.

  The effects of the present invention are as follows.

  The invention of claim 1 is provided with a plurality of water containers arranged side by side in one direction and stacked in the vertical direction on a stationary surface.

  In other words, since this shielding device is formed by arranging and stacking a plurality of water containers on a stationary surface, the shielding device is used for research or emergency purposes for shielding radiation. Installation is quick and easy.

  And the said shielding apparatus is provided with the support frame standingly arranged on the said stationary surface, and the coupling body which connects each said water container to each other, and connects these each water container to the said support frame. .

  Therefore, when the water containers are stacked in the middle of the installation of the shielding device, if the water containers are connected to each other by the connecting body and connected to the support frame, some external force is applied from an operator or the like. Even if given or an earthquake occurs, it is possible to prevent the water-containing container from easily collapsing. Therefore, during the installation of the shielding device, the installation work of the shielding device can be performed more quickly and easily because it is not necessary to pay much attention to the collapse of the water-containing container as described above. In addition, after the shielding device is installed, the shielding device can be maintained in a stable state in strength, and it is possible to strongly counter an earthquake or the like that occurs after the shielding device is installed.

According to a first aspect of the present invention, the connecting body includes a housing body that houses the water-containing containers, and a fixture that attaches the housing body to the support frame.

  For this reason, when performing the installation work which installs a shielding apparatus on the said static surface, first, a several water-containing container is accommodated in the said accommodating body, and the block enlarged to some extent is formed. Each time such a block is formed, or after a plurality of such blocks are formed, the blocks can be stacked one after another and connected to the support frame by the connecting body to complete the installation operation. it can.

  Therefore, the installation operation of the shielding device can be performed more quickly and easily than the laborious operation of stacking the water containers one by one. Moreover, since the said block becomes large compared with the said container with water, stacking of these blocks can be made more stable. For this reason, the installation work can be performed more quickly and easily, and the shield apparatus after installation can be maintained in a more stable state in terms of strength.

The invention according to claim 1 is characterized in that the container can be developed into a flat shape, and the container film body that accommodates the plurality of water-containing containers so as to be integrally wrapped, the container film body attached to the container film body, And a bundling tool for bundling the containing film body enclosing the encased container together with the water-containing containers.

  For this reason, even if the shape of each of the above water-filled containers is different from each other or is not a planned shape, a desired number of water-filled containers of these various shapes are selected and combined. If it wraps with the said accommodation film body and it binds with a binding tool, the block of a desired shape can be formed with these each water-containing container, a storage film body, and a binding tool. Moreover, the block can be made rigid by bundling the bundling tool and retained in a desired shape.

  Therefore, the installation work of the shielding apparatus can be performed more quickly and easily by forming the blocks and using them, and the shielding apparatus can be maintained in a more stable state in terms of strength.

  According to a fourth aspect of the present invention, there is provided a coupler that couples the coupling bodies stacked in the vertical direction to each other.

  For this reason, the coupling force between the two coupled bodies stacked in the vertical direction is improved, and the shield device after installation can be maintained in a more stable state in terms of strength.

  In the invention of claim 5, the water-containing container is constituted by a commercially available plastic bottle.

  Here, the above-mentioned commercially available PET bottles have almost the same shape and are easily available as long as they have the same capacity. For this reason, the connection body in the said shielding apparatus can be previously formed in the shape which planned connecting the said PET bottle.

  Therefore, when installing the shielding device, the shielding device can be installed quickly and easily by obtaining a desired number of PET bottles and using the connector formed as described above. In addition, as described above, since the connecting body has a shape intended to connect the PET bottles, it is not necessary to prepare a large number of various shapes in advance, so that the configuration of the shielding device is simplified. Thus, the cost for forming and installing the shielding device can be reduced.

  According to a sixth aspect of the present invention, the support frame is formed in a gate shape, and the water containers are arranged in a space surrounded by the stationary surface and the support frame.

  For this reason, each said container with water is connected with this support frame in the state enclosed by the said support frame. Therefore, any external force applied to the respective water-filled containers from the outside of the support frame during an earthquake or the like is prevented by the support frame, and the shielding device can be maintained in a more stable state in terms of strength.

FIG. 1 is a perspective view showing an entire example. Example 1 is shown and is a partial front view. Example 1 is shown, and is a plane partial cross-sectional partial cutaway view. Example 1 is shown, and is a partial side partial cutaway view. FIG. 3 is a diagram illustrating Example 1 and a housing film body developed. FIG. 3 is a diagram illustrating Example 2 and corresponding to FIG. 2.

  In order to realize the object of the radiation shielding apparatus of the present invention, it is possible to easily and quickly install the shielding apparatus, and to maintain the shielding apparatus after installation in a stable state in strength. The form for carrying out the present invention is as follows.

  That is, the radiation shielding apparatus includes a plurality of water containers arranged in parallel in one direction on the stationary surface and stacked in the vertical direction, a support frame standing on the stationary surface, and each of the water The container is connected to each other, and a connecting body for connecting the water containers to the support frame.

  In order to describe the present invention in more detail, the first embodiment will be described with reference to FIGS.

  1 to 4, reference numeral 1 denotes a radiation shielding device that shields radiation 2 emitted from an electron beam or X-ray radiation device or radiation material to prevent radiation in a predetermined direction.

  The shielding device 1 is arranged on a stationary surface 3 such as a floor or ground of a building, in parallel with a horizontal direction A and stacked in the vertical direction, and on the stationary surface 3. A support frame 5 that is erected and a connector 6 that connects the water containers 4 to each other and connects the water containers 4 to the support frame 5 are provided.

  The water-filled container 4 is made of a commercially available plastic bottle that contains water in a sealed manner, has a capacity of 2 liters, and has the same shape and size as each other. They are arranged side by side in the one direction A so as to be in contact with each other.

  The support frame 5 is formed of a pipe material having a circular cross section. The support frame 5 is formed in a gate shape as a whole in a front view (FIG. 2) as seen from a line of sight along an orthogonal direction B orthogonal to the one direction A in the horizontal direction. Specifically, the support frame 5 is installed on a base 9 to be placed or fixed on the stationary surface 3, and on the base 9 vertically from each end in the one direction A. A pair of vertical frames 10 and 10 extending upward in the direction, and a coupling frame 11 extending in the one direction A and connecting the upper ends of the two vertical frames 10 and 10 to each other.

  Instead of the base 9, the support frame 5 can be erected by embedding the lower ends of the pair of vertically oriented frames 10, 10 in a stationary surface 3 such as the ground.

  The connecting body 6 includes a housing 15 made of a film material that integrally houses a plurality (three) of water-filled containers 4 arranged in parallel in the one direction A, and the housing 15 is supported by the support frame. 5 and a fixture 16 attached to 5.

  As shown in FIG. 5 in particular among FIGS. 1 to 5, the container 15 can be developed into a flat shape and integrally wraps a plurality of water-filled containers 4 arranged in parallel in the one direction A. A housing film body 19 that is housed in such a manner, and a binding tool 20 that is attached to the housing film body 19 and binds the housing film body 19 enclosing the water-containing containers 4 together with the water-containing containers 4. Yes.

  The accommodation film body 19 covers a base material that is a woven fabric formed of natural fibers such as kenaf fibers, synthetic fibers such as polyester fibers, or inorganic fibers such as glass fibers, and the outer surfaces of the base material. (Coating) Thermoplastic resin materials such as polyvinyl chloride (PVC), polypropylene (PP), polyurethane (PU), ethylene-vinyl acetate copolymer (EVA), and rubber outer materials (coating materials) I have. In addition, the accommodation film body 19 may be made of a woven or non-woven fabric formed only of the fibers not provided with the outer surface material, or may be a sheet made of only the thermoplastic resin or rubber. . Further, the thermoplastic resin or rubber may contain a tungsten powder or barium sulfate powder having a high radiation shielding effect, and in this way, the radiation shielding effect can be further enhanced. .

  The housing film body 19 extends in the one direction A and in the vertical direction, and has a rectangular base film body 23 facing the water containers 4 arranged in parallel in the one direction A in the orthogonal direction B. The base film body 23 is integrally extended from the lower end edge of the base film body 23, and the lower film body 24 enveloping the lower part of each water-filled container 4 from below is integrally extended from the upper end edge of the base film body 23. An upper film body 25 that wraps the upper part of each of the water-containing containers 4 from above, and each side edge of the base film body 23 in the one direction A, and extends integrally. 4 has a pair of side film bodies 26, 26 that wrap each side part of 4 from the outside.

  The accommodating film body 19 may be formed by forming the constituent film bodies 23 to 26 separately from each other and then fixing them to each other by welding, bonding, stitching, or the like. Further, the accommodation film body 19 has a cross shape as a whole in its unfolded state, but the accommodation film body 19 may be formed only by making a cut in a film material having a rectangular shape as a whole.

  The binding tool 20 detachably connects the extended edge portions of the side film bodies 26 and 26 in the housing film body 19 enclosing the water-containing containers 4 via a fiber band 28. A buckle 29 to be tightened, a tightening tool 30 to be capable of tightening the band 28 so that the extended end edges of the side film bodies 26, 26 connected by the buckle 29 are attracted to each other, and the above-described housing The film body 19 has a pair of face tapes 32 and 32 that detachably fix the extending end portions of the lower film body 24 and the upper film body 25 in a one-touch manner.

  The binding tool 20 may not have the buckle 29, and the extended end portion of the band 28 extending from the side film body 26 may be detachably connected to the fastening tool 30. Further, the binding tool 20 does not have to include both the buckle 29 and the tightening tool 30, and in this case, each band 28 extending from each extending end edge of each side film body 26, 26. You may make it clamp | tighten by connecting each extended end part of each other. Further, a string-like body such as a belt or a rope can be used as the binding tool 20.

  The fixture 16 is fixed to each side film body 26 of the housing film body 19 and is attached to each band 35 and a band 35 that can be wound around the longitudinal frame 10 of the support frame 5. Each of the bands 35 has a clip 36 that releasably holds the band 35 around the vertical frame 10. In addition, it can also be set as the fixture 16 by providing a rope and a belt instead of the said band 35, and bundling these both ends.

  In particular, in FIG. 1, the container 15 of each coupling body 6 that accommodates each of the water-containing containers 4 is disposed in a space 39 surrounded by the stationary surface 3 and the gate-shaped support frame 5, and Stacked in the direction.

  Further, as described above, the coupler 41 that couples the containers 15 stacked in the vertical direction is provided. The coupler 41 is composed of a pipe rod that is sequentially inserted into the gap between the accommodating film body 19 and the binding tool 20 of the stacked containers 15.

  The coupler 41 is a rod that is sequentially inserted into a gap between the accommodating film body 19 of each of the accommodating bodies 15 and a midway portion in the longitudinal direction of the band fixed to both ends of the outer surface of the accommodating film body 19. It may be a material, or may be a bar material sequentially placed in the through-hole formed in the housing film body 19 of each housing body 15. Moreover, it replaces with the said bar, The said coupling tool 41 is good also as flexible elongate bodies, such as a rope and a chain.

  Further, a plurality of the shielding devices 1 may be arranged in parallel in the one direction A or the orthogonal direction B and connected to each other. Further, a plurality of groups of water containers 4 stacked in the vertical direction may be juxtaposed in the orthogonal direction B and connected to the support frame 5 respectively. Moreover, the said one direction A may be an up-down direction, In this case, the container 15 of the said connection body 6 shall accommodate the several water-filled container 4 arranged in parallel with the up-down direction. The water-filled container 4 may be a plastic bottle in a horizontal orientation, and is not limited to such a plastic bottle. For example, water is poured into a commercially available resin tank. May be. Moreover, the capacity | capacitance and shape of each said container 4 with water may mutually differ.

  Further, a plurality of the accommodating bodies 15 may be provided in the space 39 with respect to one support frame 5, and each of the accommodating bodies 15 may be individually accommodated with one or four water-containing containers 4. . In such a case, the containers 15 may be connected to each other, and the containers 15 located at the ends of the groups of the containers 15 may be connected to the support frame 5. Moreover, the said container 15 may be processed into the bag shape like Example 2 mentioned later.

  According to the above configuration, the plurality of water containers 4 are provided on the stationary surface 3 in parallel in the one direction A and stacked in the vertical direction.

  In other words, the shielding device 1 is formed by arranging and stacking a plurality of water-filled containers 4 on the stationary surface 3, so that the shielding device 1 is used for research or emergency such as shielding radiation 2. The shielding device 1 can be installed quickly and easily.

  The shielding device 1 connects the support frame 5 erected on the stationary surface 3 and the water containers 4 to each other, and connects the water containers 4 to the support frame 5. And a body 6.

  Therefore, when the water containers 4 are stacked in the middle of the installation of the shielding device 1, the water containers 4 are connected to each other by the connecting body 6 and to the support frame 5. Even if some external force is applied or an earthquake occurs, the water-filled container 4 is prevented from easily collapsing. Therefore, during the installation of the shielding device 1, the installation work of the shielding device 1 can be performed more quickly and easily because it is not necessary to pay much attention to the collapse of the water-containing container 4 as described above. Further, after the shielding device 1 is installed, the shielding device 1 can be maintained in a stable state in strength, and it is possible to strongly counter an earthquake or the like that occurs after the shielding device 1 is installed.

  Further, as described above, the connecting body 6 includes the housing body 15 that houses the water-containing containers 4 and the fixture 16 that attaches the housing body 15 to the support frame 5.

  For this reason, when the installation work for installing the shielding device 1 on the stationary surface 3 is performed, first, the blocks 4 and 15 are accommodated by accommodating a plurality of water-filled containers 4 in the housing 15 and increasing the size to some extent. Form. Each time such blocks 4 and 15 are formed, or after a plurality of such blocks 4 and 15 are formed, the blocks 4 and 15 are stacked one after another, and the connecting body 6 supports the support frame 5. If it connects, the said installation work can be completed.

  Therefore, the installation operation of the shielding device 1 can be performed more quickly and easily than the laborious operation of stacking the water-containing containers 4 one by one. Moreover, since the said blocks 4 and 15 become large sized compared with the said container 4 with water, the stack of these blocks 4 and 15 can be made more stable. For this reason, the installation work can be performed more quickly and easily, and the shield device 1 after installation can be maintained in a more stable state in terms of strength.

  In addition, as described above, the container 15 can be deployed in a flat shape, and is accommodated in the container film 19 that houses the plurality of water-filled containers 4 so as to be integrally wrapped, and the container film 19 is attached. And a bundling tool 20 for bundling the containing film body 19 enclosing the water-containing containers 4 together with the water-containing containers 4.

  For this reason, even if the shapes of the respective water-filled containers 4 are different from each other or are not of a predetermined shape, a desired number of desired ones are selected from the water-filled containers 4 having these various shapes. If they are combined, wrapped in the accommodation film body 19 and bound by the binding tool 20, the blocks 4, 19 having a desired shape can be formed by the respective water-filled containers 4, the accommodation film body 19, and the binding tool 20. Moreover, the blocks 4 and 19 can be given rigidity by bundling the bundling tool 20, and the shape can be maintained in a desired shape.

  Therefore, the installation work of the shielding device 1 can be performed more quickly and easily by forming the blocks 4 and 19 and using them, and the shielding device 1 is maintained in a more stable state in terms of strength. Can be made.

  Moreover, as described above, the coupler 41 that couples the coupling bodies 6 stacked in the vertical direction to each other is provided.

  For this reason, the coupling force between the two coupling bodies 6 and 6 stacked in the vertical direction is improved, and the shield device 1 after installation can be maintained in a more stable state in terms of strength.

  Moreover, as above-mentioned, the container 4 with water is comprised with the commercially available PET bottle.

  Here, the above-mentioned commercially available PET bottles have almost the same shape and are easily available as long as they have the same capacity. For this reason, the accommodating body 15 of the connecting body 6 and the accommodating film body 19 of the accommodating body 15 in the shielding device 1 may be formed in advance in a shape intended to connect (accommodate) the plastic bottle. it can.

  Therefore, when installing the shielding device 1, the shielding device 1 can be installed quickly and easily by obtaining a desired number of PET bottles and using the connection body 6 formed as described above. In addition, as described above, since the connecting body 6 has a shape intended to connect the PET bottles, it is unnecessary to prepare a large number of various shapes in advance. In addition, the cost of forming and installing the shielding device 1 can be reduced, and it is possible to stably stack commercially available PET bottles that are generally three-dimensional shapes that are not cubes.

  Furthermore, since the plastic bottle is accommodated in the container 15, it is possible to prevent sunlight from being directly applied to the plastic bottle, and to prevent the deterioration of the plastic bottle and the occurrence of fire due to the lens effect. It becomes.

  Further, as described above, the support frame 5 is formed in a gate shape, and each of the water-containing containers 4 is disposed in the space 39 surrounded by the stationary surface 3 and the support frame 5.

  For this reason, each said container 4 with water is connected with this support frame 5 in the state enclosed by the said support frame 5. FIG. Therefore, it is prevented by the support frame 5 that any external force is applied to the water-containing containers 4 from the outside of the support frame 5 during an earthquake or the like, and the shielding device 1 is more stable in strength. Can be maintained.

  FIG. 6 below shows the second embodiment. The second embodiment is common in many respects to the configuration and operational effects of the first embodiment. Therefore, regarding these common items, common reference numerals are attached to the drawings, and redundant description thereof is omitted, and different points are mainly described. In addition, the configuration of each part in these embodiments may be variously combined in light of the object and operational effects of the present invention.

  In order to describe the present invention in more detail, Example 2 will be described with reference to FIG.

  In FIG. 6, the container 15 included in the connecting body 6 is a bag 45 made of a film material that opens upward. For this reason, in the drawing, the accommodation body 15 does not include the accommodation film body 19 and the binding tool 20 shown in the first embodiment.

  A coupling tool 41 that couples the bag bodies 45 stacked in the vertical direction is provided. The coupler 41 has the same configuration as the buckle 29 and the tightening tool 30 included in the binding tool 20 described in the first embodiment.

  According to the above-described configuration, when each of the water-containing containers 4 is accommodated in the container 15 in the installation work of the shielding device 1, the container is simply inserted into the bag body 45 of the container 15. To achieve this. Therefore, the installation work of the shielding device 1 can be performed more quickly and easily.

  In addition, you may provide the cover film body extended from the upper end edge part of the said bag body 45 so that the upper end opening of the bag body 45 of the said container 15 may be closed.

DESCRIPTION OF SYMBOLS 1 Shielding device 2 Radiation 3 Static surface 4 Water-filled container 5 Support frame 6 Connection body 15 Housing body 16 Mounting tool 19 Housing film body 20 Binding tool 23 Base film body 24 Lower film body 25 Upper film body 26 Side film body 39 Space 41 coupler 45 bag A one direction B orthogonal direction

Claims (6)

In a radiation shielding apparatus comprising a plurality of water containers arranged side by side on a stationary surface and stacked in the vertical direction,
A support frame erected on the stationary surface; and a connecting body for connecting the water containers to each other and connecting the water containers to the support frame.
The connecting body is deployable in a flat shape and accommodates the plurality of water containers so as to integrally enclose the plurality of water containers, and the housing which is attached to the container film body and encloses the water containers. A radiation shielding apparatus comprising: a binding tool for binding a film body together with each of the water-containing containers; and an attachment for attaching the housing film body to the support frame . The housing film body extends in the one direction and the up-down direction, and faces each water-filled container arranged in parallel in the one direction in a perpendicular direction orthogonal to the one direction, and the base part A lower film body that integrally extends from the lower end edge of the film body and wraps the lower part of each water-filled container from below; and a single film that extends integrally from the upper edge of the base film body, A pair of an upper film body that wraps the upper part of the water container from above and a side film that integrally extends from each side edge of the base film body in the one direction and wraps each side part of each water-filled container from the outside. The radiation shielding apparatus according to claim 1, further comprising: a side film body. The fixture is fixed to each side film body of the housing film body and can be wound around the support frame, the band is attached to the band, and the state where the band is wound around the support frame can be released. The radiation shielding apparatus according to claim 2, further comprising a clip to be held.   The radiation shielding apparatus according to any one of claims 1 to 3, further comprising a coupler that couples the coupling bodies stacked in the vertical direction to each other.   The radiation shielding apparatus according to any one of claims 1 to 4, wherein the water-containing container is composed of a commercially available PET bottle.   6. The support frame according to claim 1, wherein the support frame is formed in a gate shape, and each of the water-containing containers is disposed in a space surrounded by the stationary surface and the support frame. Radiation shielding device.

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