JPH0931939A - Expansion type waterproof fence device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To erect and extend fences simultaneously in emergency and thereby constitute a waterproof barrier and to keep the fences folded and housed usually in a housing box and thereby causing any hindrance and protect a surrounding view from being damaged. SOLUTION: A housing box 3 for a waterproof fence 1 having an opening cover 2 is set up on a river bank or on the ground in a waterproof district for a housing area. The waterproof fence 1 is housed inside the housing box 3 where the fence 1 is made of a rubber bag which is expandable and shrinkable by inflating the air thereinto or extracting the air therefrom. A compressed air is supplied to the waterproof fence 1, thereby opening the cover 2 so that the fence 1 may be erected and extended.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is intended to prevent flooding of a river, flooding of a river beyond a dike, and prevention of flooded water from inundating houses and the like around the river. The present invention relates to an inflatable waterproof fence device.

[0002]

2. Description of the Related Art In areas where there is a risk of flooding over river banks when heavy rain or typhoon floods occur, especially in narrow areas of rivers in urban areas, reinforcement plates are installed on fences installed on the banks. A double-layered waterproof plate is installed to prevent water from overflowing from the embankment, and in houses and factories around the river, the sand overflowing from the embankment floods the houses by building sandbags around the houses and buildings. In many cases, waterproofing measures were taken to stop them.

[0003]

According to the conventional waterproofing measures, there is a problem that the surrounding scenery is deteriorated by installing a reinforcing plate and a waterproofing plate on the fence of the embankment or by putting sandbags around the house or building. In addition, it is troublesome to install these reinforcing plates and waterproof plates or to pile sandbags, and in the case of sudden flooding of the river, there is a problem that measures cannot be met in time.

[0004]

In order to solve the above-mentioned problems, an inflatable waterproof fence device according to the present invention is a waterproof fence 1 having an opening / closing cover 2 on the ground of a waterproof area such as a river embankment or a residential area. A storage box 3 is installed, and the waterproof fence 1 made of a rubber bag which is inflatable and contractible in the vertical direction by injecting and discharging a fluid is stored in the storage box 3, and the fluid is stored in the waterproof fence 1. By supplying, the opening / closing cover 2 is opened to erect and extend the waterproof fence 1. On the ground of the waterproof area, a plurality of pillars 4 supporting the waterproof fence 1 from the back surface thereof are erected at intervals, and a plurality of the storage boxes 3 are continuously installed on the ground. The two may be watertightly connected to each other via a connecting portion. For example, the connecting portion may be connected by adhesion or the watertight fastener 5 may be detachably connected. According to the above configuration, the waterproof fence 1 is normally folded and stored in the storage box 3 so that the waterproof fence 1 does not project from the ground on a bank, a residential area, etc. It does not become a hindrance to traffic and does not harm the landscape. On the other hand, in the event of a flood, it is possible to prevent flooding or flooding by supplying compressed air or other fluid to the waterproof fence 1 and expanding it to raise the embankment.

[0005]

1 to 1 show an embodiment of the present invention.
This will be described with reference to FIG. 1 to 11 show an embodiment of a first invention in which an inflatable waterproof fence device according to the present invention is installed on an embankment, and the inflatable waterproof fence device 11 shown in FIGS. A perspective view installed on the embankment 6 of the river 7 is shown, and a road 8 runs along the embankment 6, and on the bank of the embankment 6, the boundary between the embankment 6 and the road 8 is defined. Posts 4 that are erected at regular intervals
And a balustrade 10 that includes a handrail 9 that connects the upper ends of the columns 4 to each other.

The waterproof fence device 11 is composed of a storage box 3 having an opening / closing lid 2 and a waterproof fence 1 made of a rubber bag which is stored in the storage box 3 and which can be expanded and stored freely. During normal times when the water level is low, the waterproof fence 1 is stored in the storage box 3 in a state where the waterproof fence 1 is deflated and deflated as shown in FIG. 1 and FIG. On the other hand, when there is a risk that the river will be flooded due to heavy rain, the water level will rise, and the water will cross the embankment 6 and flood the surrounding houses, compressed air will be supplied to the waterproof fence 1 that is urgently stored. As a result, the opening / closing lid 2 is opened and the waterproof fence 1 is inflated. As a result, the height of the embankment 6 is substantially raised by 1 m to 2 m with the waterproof fence 1 standing up and extending and the back side of the waterproof fence 1 being supported by the columns 4, as shown in FIGS. As shown, the waterproof fence device 11 blocks water and prevents water from overflowing over the embankment 6.

Explaining in detail with reference to FIG. 3 and subsequent figures, the storage box 3 of the waterproof fence device 11 is made of a rust-resistant and rigid material such as stainless steel or aluminum alloy, and the waterproof fence device 11 is installed therein. Depending on the length (for example, several meters to several tens of meters), a required number of them are integrally and continuously installed in the longitudinal direction, and the opening / closing lids 2 are provided on the upper surface of the box body.

The plurality of storage boxes 3 are constructed as one long box as a whole. That is, among the plurality of storage boxes 3, the storage boxes 3 other than the storage boxes 3 located at both ends include the bottom plate 12 and the bottom plate 1.
2 is a cross section consisting of both side plates 13 rising from both side edges of U.
It is a letter shape and only the storage box 3 located at both ends is
In addition to the bottom plate 12 and both side plates 13, an outer end plate (not shown) is provided.

As shown in FIGS. 2 and 4, the opening / closing lid 2 is pivotally attached to the upper edge of the side plate 13 on the front side (river side) of the storage box 3 by a hinge 15 having a stopper 14, and this stopper is used. The opening / closing lid 2 is provided so as to be able to hold the state of standing upright when opened by locking 14 with a hinge piece attached to the inner side plate 13. Further, the closing / holding of the opening / closing lid 2 is performed by a permanent magnet 16 having an S pole and an N pole arranged in pairs on the side plate 13 on the rear side (land side) of the opening / closing lid 2 and the storage box 3. .

The storage box 3 is installed on a concrete embankment 6, and is inserted into a bolt hole 17 of a bottom plate 12 to an anchor bolt 18 planted in the concrete.
By screwing the nut 19 from the inside of the bottom plate 12,
The storage box 3 is firmly fixed to the bank 6.

As shown in FIGS. 3 and 4, the waterproof fence 1 is composed of a rubber bag which is inflatable and contractible, and a reinforcing fiber 20 is embedded in its thick portion.

In order to form a barrier for blocking the flow of water by arranging a plurality of waterproof fences 1 in a line, the waterproof fence device 11 is designed to cross the waterproof fence 1 as shown in FIGS. 10 and 11. The plane is composed of a rubber bag having a substantially rectangular shape, and in order to hold the substantially rectangular shape of the rubber bag, a plurality of hanging cloths 21 are spaced inside the shape and arrangement shown in each of the drawings. They are arranged in parallel. Both side edges of the hanging cloth 21 are fixed to the inner surface of the rubber bag by adhesion, and the spaces 22 partitioned by the plural hanging cloths 21 are arranged above and below the hanging cloth 21 as shown in FIGS. 4 and 5. By cutting the end edge in the shape of an inner arc toward the middle portion, the upper and lower edges of the hanging cloth 21 are communicated with each other through a gap 23 formed between the upper and lower portions of the rubber bag body.

Next, the bottom portion 24 of the rubber bag constituting the waterproof fence 1 is fixed to the bottom plate 12 of the storage box 3 through the attachment piece 25 in a state where the cross section perpendicular to the longitudinal direction is shown in FIG. ing. That is, on the bottom plate 12 of the storage box 3, two strip-shaped support fittings 26 that extend at regular intervals in the front-rear direction and extend in the longitudinal direction are fixed by welding 27. , A band-shaped press fitting 31 having a recess 28 on its joint surface, in which a locking core metal 29 for locking the mounting piece 25 is housed, and the band-shaped support fitting 26 and the band-shaped press fitting. 31 is the bottom plate 12 of these metal fittings and the storage box 3.
The bolt 32 is inserted into the bolt hole formed in the above, and is screwed with the nut 33 so that the two metal fittings can be sandwiched.

The mounting piece 25 has a predetermined width and a predetermined length, and as shown in FIG. 5, both ends of the left and right mounting pieces 25 are the bottom 24 of the rubber bag body which is the waterproof fence 1. It is fixed to both sides of the lower end with adhesive, and the mounting piece 2
The intermediate portion of 5 is held by the belt-shaped support metal fitting 26 and the belt-shaped pressing metal fitting 31 while being wound around the locking core metal 29. In this way, the mounting piece 25 and the strip-shaped support metal 26
The waterproof fence 1 is firmly fixed to the bottom plate 12 of the storage box 3 by means of the band-shaped press fitting 31, the bolt 32, and the nut 33.

In the above-mentioned case, both ends of the attachment piece 25 are adhered to the bottom portion 24 and the side surface lower end portion 34 of the waterproof fence 1 in advance, and the locking cored bar 29 is attached to the tip of the bent overlapped ear piece 35. When the waterproof fence 1 is inserted and installed in the storage box 3, the locking core metal 29 is inserted into the recess 28.
It is preferable that the bent overlapped ear piece 35 is held between the band-shaped support fitting 26 and the band-shaped pressing fitting 31 by screwing the nut 33 into the bolt 32.

Next, as shown in FIGS. 6 and 7, the attachment pieces 25 are bent and extend at both lower end portions of the waterproof fence 1, and sheet-like connecting ear pieces 36 are provided at both end portions. The watertight fasteners 5 are attached to the edges of the adjacent connecting ear pieces 36, and the slider 39 is attached.
By vertically moving (FIG. 9) along the connecting ear piece 36, the watertight fastener 5 is opened and closed to adjoin the waterproof fence 1.
It is provided so that they can be connected and separated from each other.

The connecting ear piece 36 and the watertight fastener 5
Extend vertically in both ends of the waterproof fence 1. In FIG. 7, the watertight fastener 5 is bent at the lower end at a right angle and then extended backward. Then, a lower end portion 40 of the connecting ear piece 36 and the connecting portion of the watertight fastener 5 that is bent at a right angle and extends rearward, and the bottom plate 1 of the storage box 3.
Due to the existence of the strip-shaped support metal fitting 26, a space 42 corresponding to the thickness of the metal support fitting 26 is formed, so that in the embodiment of the present invention, the caulking material 41 is provided around the lower end portion 40 of the watertight fastener 5. By filling, the gap 42 is filled and water is prevented from flowing out from the gap 42. As described above, the reason why the plurality of waterproof fences 1 are provided so as to be connectable and separable by the watertight fastener 5 is due to the manufacturing and construction of the waterproof fence device 11. That is, the waterproof fence device 11 may extend from several meters to several tens of meters, and it is difficult to realize a single waterproof fence (that is, a rubber bag body) over the entire length of the waterproof fence device 11. It is realistic to connect and build the long waterproof fence apparatus 11.

In this case, it is possible to provide connecting ear pieces 36 at both ends of the plurality of waterproof fences 1 and connect the connecting ear pieces 36 of the adjacent waterproof fences 1 to each other by adhering them at a factory or at a construction site. is there. However, if the adjacent connecting tabs 36 are bonded in advance at the factory, it is difficult and unrealistic to fix the long waterproof fences 1 to the long storage box 3 in advance and transport them to the construction site. On the other hand, although it is possible to transport the waterproof fence 1 alone to the site and bond the connecting tabs 36 of the adjacent waterproof fences 1 to each other at the site, this method is not always efficient in terms of workability.

Therefore, in the embodiment of the present invention, as described above, the watertight fastener 5 is attached to the connecting ear piece 36, and the waterproof fence 1 is individually fixed to each storage box 3 until the construction site. It is configured to carry and connect the waterproof fences 1 with the watertight fastener 5 at the construction site.

In the normal state, the waterproof fence 1 constructed as described above is zigzag-folded and stored in the storage box 3 as shown in FIG. 3, and the opening / closing lid 2 is closed. Note that the waterproof fence 1 may be stored in the storage box 3 by winding or another method, not limited to the folding.

On the other hand, when an emergency situation such as a flood occurs, the waterproof fence 1 is urgently supplied with compressed air to expand the waterproof fence 1 as shown in FIG. . Therefore, as shown in FIGS. 4 and 5 and other drawings, the pipes 4 are provided in the longitudinal direction in the storage box 3.
3 is provided, and this pipe 43 is connected to the compressed air supply device 45 as shown in FIG.
A plurality of flexible connecting pipes 46 branched from is connected to the bag body of each waterproof fence 1.

With the above structure, the compressed air supply device 4 is provided in the plurality of waterproof fences 1 folded in the state shown in FIG.
By supplying air from 5, the waterproof fence 1 expands by the pressure of air as shown in FIG. 4, pushes open the opening / closing lid 2 and extends independently, thereby forming a substantially waterproof barrier. Further, at this time, the support force is applied to the back (land side) direction of the waterproof fence 1 by being supported by the support column 4, so that the front side (river side)
It is reinforced against water pressure from the direction. Further, the stopper 1 of the hinge 15 is provided on the front side (river side) of the waterproof fence 1.
The presence of the opening / closing lid 2 which is self-supporting at 4 protects the waterproof fence 1 from driftwood flowing in the river.

In the rubber bag body of the waterproof fence 1, a plurality of exhaust valves 47 for exhausting gas are provided in correspondence with each partition space 22 partitioned by the plurality of hanging cloths 21. Therefore, when the flooding of the river is over and the water level is lowered and the waterproof fence 1 is folded, the air inside the exhaust valve 47 can be discharged to smoothly restore the folded state shown in FIG.

Next, FIG. 12 is a sectional view showing a second embodiment of the present invention. In the embodiment of the present invention, a storage case 48 accommodating the compressed air supply device 45 is installed in the lower part of the storage box 3, and the bottom plate 12 of the storage box 3 and the top plate 49 of the storage case 48 pass through the openings 50. , The air supply pipe 51 of the compressed air supply device 45 is pulled out, and the air supply pipe 5
1 and the pipe 43 are connected. The other structure is the same as that of the first embodiment.

According to the embodiment of the second invention, since the waterproof fence 1 and the compressed air supply device 45 are installed close to each other, the piping can be shortened by that much and the piping work can be facilitated.

FIG. 13 is a sectional view showing the third embodiment of the present invention. In the embodiment of the present invention, the storage box 3 is installed on the inner side surface 53 of the embankment 6 by the support base 52 having a substantially L-shaped cross section. In other words, this L-shaped support 5
2, the vertical portion 54 is applied to the inner side surface 53 of the embankment 6, and the anchor bolt 56 planted in the embankment is inserted into the bolt hole 55 of the vertical portion 54, and the nut 5 is attached to the anchor bolt.
By screwing 7 together, it is firmly fixed to the inner side surface 53 of the embankment 6.

A rubber support plate 59 also serving as a water stop is placed on the upper surface of the horizontal portion 58 of the support base 52, and the bottom plate 12 of the storage box 3 is placed on the rubber support plate 59. 12, the rubber support plate 59, and the fixing bolt 60 is inserted into each bolt hole of the horizontal portion 58 of the support base 52, and the nut 61 is screwed into the bolt 60 to insert the storage box 3 through the rubber support plate 59. Are fixed to the support base 52.
The other structure is the same as that of the first embodiment of the present invention, and the duplicated description will be omitted.

In the embodiments of the inventions described above, the example in which the waterproof fence device is installed on the embankment, thereby substantially raising the embankment by 1 m to 2 m to prevent the flooding of the river, is shown. The waterproof fence device of the present invention is not limited to these, and can be installed on the ground in a region where the flow of water should be blocked and the flow should be changed, for example, in a house or factory near a river, a park, or other places. .
Further, in the embodiments of the inventions described above, a sensor (not shown) is installed in a predetermined place, and when the sensor detects a rise in the water level of the river 7, the compressed air supply device automatically operates, The waterproof fence 1 may be configured to expand and stand up and extend.

[0029]

As described above, in the inflatable waterproof fence device according to the present invention, in normal times, the fluid is discharged from the rubber bag body which is the waterproof fence, and the storage box 3 installed on the ground. Since it can be stored in a room, there is no big protrusion from the ground, it does not damage the landscape, and there is no need for construction work such as raising the ground or stacking sandbags. The required space is small and the construction cost can be low.
Moreover, by installing the storage box 3 so that it does not protrude from the ground, it does not hinder effective use of the ground surface and supplies fluid to the rubber bag body of the waterproof fence 1 when the water level increases due to flooding of the river. Then, the waterproof fence 1 can be instantly inflated to stand up and extend to form a waterproof barrier to control the flow of water, and the structure is simple.

[Brief description of drawings]

FIG. 1 shows a first embodiment of the present invention, and is a perspective view of an inflatable waterproof fence device installed on a bank when folded.

FIG. 2 is likewise a perspective view of the inflatable waterproof fence device of FIG. 1 when inflated.

FIG. 3 is a cross-sectional view showing the waterproof fence device at the time of folding and orthogonal to the longitudinal direction of the device.

FIG. 4 is a cross-sectional view showing the waterproof fence device at the time of expansion and orthogonal to the longitudinal direction of the device.

5 is an enlarged cross-sectional view showing a fixing structure of a lower portion of the waterproof fence in FIG.

FIG. 6 is a partially cut side view showing a lower structure of a connecting portion between adjacent waterproof fences.

FIG. 7 is a plan view of FIG. 6;

FIG. 8 is a cross-sectional perspective view of a watertight fastener.

FIG. 9 is a partially cutaway side view of the waterproof fence.

FIG. 10 is a sectional view taken along line AA of FIG. 9;

FIG. 11 is an explanatory plan view of the waterproof fence device.

FIG. 12 is a sectional view showing an embodiment of a second invention.

FIG. 13 is a sectional view showing an embodiment of a third invention.

[Explanation of symbols]

 1 Waterproof Fence 2 Open / Close Lid 3 Storage Box 4 Strut 5 Watertight Fastener 6 Levee 7 River 8 Road 9 Handrail 10 Handrail 10 Waterproof Fence Device 12 Bottom Plate 13 Both Sides 14 Stopper 15 Hinge 16 Permanent Magnet 17 Bolt Hole 18 Anchor Bolt 19 Nut 20 Reinforcing fiber 21 Hanging cloth 22 Division space 23 Gap 24 Bottom 25 Mounting piece 26 Band-shaped support metal fitting 27 Weld 28 Recessed portion 29 Locking core metal 31 Band-shaped pressing metal fitting 32 Bolt 33 Nut 34 Side lower end 35 Bending overlapped ear piece 36 Connecting ear Piece 39 Slider 40 Lower end 41 Caulking material 42 Gap 43 Piping 45 Compressed air supply device 46 Connection pipe 47 Exhaust valve 48 Storage case 49 Top plate 50 Open hole 51 Air supply pipe 52 Support stand 53 Inner side surface 54 Vertical part 55 Bolt hole 56 Anchor Bol 57 nut 58 horizontal part 59 rubber support plate 60 fixing bolt 61 nut

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Toshiyuki Shibata 2-6-3 Otemachi, Chiyoda-ku, Tokyo Within Nippon Steel Corporation (72) Inventor Hidemasa Kurishima 96, Matsuhidai, Matsudo-shi, Chiba (72) Invention Kunio Fukasawa 3-1-5 1204 Hyakunin-cho, Shinjuku-ku, Tokyo (72) Inventor Yuichi Goda 8-31-29-204, Seijo, Setagaya-ku, Tokyo

Claims (4)

[Claims] 1. A storage box 3 for a waterproof fence 1 having an opening / closing lid 2 is installed on the ground of a waterproof area such as a river embankment or a residential area, and the storage box 3 expands vertically by injecting or discharging a fluid. A structure in which the waterproof fence 1 made of a retractable rubber bag is housed, and by supplying a fluid to the waterproof fence 1, the opening / closing lid 2 is opened and the waterproof fence 1 is erected and extended. Inflatable waterproof fence device. 2. A plurality of pillars 4 for supporting the waterproof fence 1 from the rear surface thereof are erected at intervals on the ground of the waterproof area, and a plurality of the storage boxes 3 are continuously installed on the ground, The inflatable waterproof fence device according to claim 1, wherein adjacent waterproof fences 1 are watertightly connected to each other via a connecting portion. 3. The inflatable waterproof fence device according to claim 1, wherein the connecting portion is connected by adhesion or detachably connected by a watertight fastener 5. 4. The inflatable waterproof fence according to claim 1, wherein the storage box 3 of the waterproof fence 1 is installed on an embankment 6, and the pillar 4 constitutes a balustrade of the embankment 6. apparatus.