JP2021167552A - Water-cooling type iron plate fire fence - Google Patents

Abstract

To provide a fire fence for preventing the fire spread to a wooden building with a simple structure.SOLUTION: There is provided a water-cooling type iron plate fire fence in which a web surface of an H-shaped steel foundation formed of H-shaped steel so as to surround a wooden building on the grounding surface around the wooden building is installed in parallel with the grounding surface, a plurality of square waveform steel plates formed by molding flat steel plates in the square waveform are installed on the web surface of the H-shaped steel foundation such that the lower parts of the steel plates are brought into contact with each other laterally, the square waveform steel plates are fixed by putting a head board formed by molding the flat steel plate in the U shape on the upper part of the square waveform steel plates, a water storage tank is installed on the upper part of the head board, a fire-proof water gutter molded in the U shape in order to store water is installed on the wooden building side of the head board, and a fire-proof wire gauze for preventing the fire spread due to fire powder of wood piece plates and the like is installed on the upper part of the fire-proof water gutter.SELECTED DRAWING: Figure 4

Description

The present invention relates to a fire protection wall for preventing the spread of fire in a wooden building.

Conventionally, at a fire site in a residential area where buildings are densely packed, a large amount of water is discharged to the house at the fire source to prevent the fire from spreading to the building around the fire source, and the building next to the house is used to prevent the fire from spreading to the neighboring house. Also, the spread of fire has been stopped by discharging water to wet the houses.

However, if the house at the source of the fire does not receive enough water to completely prevent the spread of fire, or if a large amount of water is discharged to the neighboring house to prevent the spread of fire, water will infiltrate into the house and the room will be flooded. Sometimes.

Currently, one method that has been put into practical use as a method for preventing the spread of fire is a method for preventing the spread of fire by designing the building itself as a fire wall. This method has a problem that the reliability of fire spread prevention is high, but the construction cost is increased.

In recent years, there have been frequent warnings about the possibility of an earthquake directly beneath the Tokyo metropolitan area or a huge Nankai Trough earthquake. Especially in urban areas, there are many areas where dilapidated wooden houses are concentrated. Since there is an extremely high possibility that a fire will occur due to a huge earthquake or the like, urgent measures are desired.

An object of the present invention is to provide a fire protection wall for preventing the spread of fire to a wooden building with a simple structure in order to solve the above problems.

In order to solve such a problem, in the invention according to claim 1, the fire protection wall for protecting the wooden building from the fire of the neighboring house is formed of H-shaped steel so as to surround the wooden building on the ground surface around the wooden building. The web surface of the H-shaped steel base is installed parallel to the ground surface, and on the web surface of the H-shaped steel base, a plurality of square corrugated steel plates obtained by forming horizontal flat plate steel plates into a square corrugated sheet are installed. A square corrugated steel plate is fixed by covering the upper part with a cap tree formed by molding a flat plate steel plate into a U shape, a water storage tank is installed on the upper part of the cap tree, and it is molded into a U shape to store water on the wooden building side of the cap tree. A fire protection water trough was installed, a fire protection wire net was attached to the entire roof of the wooden building above the fire protection water trough to prevent the spread of fire due to sparks such as leafboards, and a sprinkler was installed above the fire protection wire net. It is characterized by.

In the invention according to claim 2, in addition to the structure according to claim 1, since the fireproof water gutter and the cap tree are integrally formed, the flat steel plate is bent into a substantially self-shaped shape to form the fireproof water gutter integrated type cap tree. It is characterized by.

In the invention according to claim 3, in addition to the structure according to claim 1 or 2, a heat cooling steel pipe is fixed to a valley portion of the square corrugated steel sheet in order to prevent the square corrugated steel sheet from becoming hot due to a fire in a neighboring house. However, the water in the water storage tank is stored in the heat-cooling steel pipe via the fireproof water trough.

In the invention according to claim 4, in addition to the structure according to any one of claims 1 to 3, a U-shaped upper streak connected to the fire gutter on a substantially diagonal roof upper part of the gutter. It is characterized in that a square corrugated steel plate is made self-supporting by installing a gutter and fixing a fireproof water gutter and an upper gutter for crossing the upper streaks to the cap tree.

In the invention according to claim 5, in addition to the structure according to any one of claims 1 to 4, the water tap of the water storage tank is opened in the event of a fire in the vicinity, and the fire gutter and the upper gutter are used. It is characterized by supplying water and stopping the water supply by operating the water stop valve by the floating ball installed in the fire prevention water gutter when the fire prevention water gutter and the upper muscle gutter are full. ..

In the invention according to claim 6, in addition to the structure according to any one of claims 1 to 5, in order to fix the adjacent front and rear square corrugated steel sheets, an arm is substantially placed at the center of the upper and lower sides of the front square corrugated steel sheet. A U-shaped joint arm receiving cover is attached and fixed to the arm mounting bolt by penetrating the mounting bolt, and the arm mounting bolt is passed through the approximately upper and lower center of the square corrugated steel sheet to be attached to the arm mounting bolt. Attach and fix the U-shaped joint arm cover, and insert the triangular hook formed at the tip of the joint arm rotatably attached to the arm mounting bolt into the joint arm receiving cover to attach the arm. It is characterized in that the front square corrugated steel plate and the rear square corrugated steel plate are fixed by hooking on the bolt.

According to the invention of claim 1, the web of the H-shaped steel base formed of H-shaped steel so as to surround the wooden building on the ground surface around the wooden building as a fire protection wall for protecting the wooden building from the fire of the neighboring house. The surface is installed parallel to the ground surface, and on the web surface of the H-shaped steel base, a plurality of square corrugated steel plates formed by forming horizontal flat plate steel plates into a square corrugated shape are installed, and the flat plate steel plate is placed on the top of the square corrugated steel plate. The square corrugated steel plate is fixed by covering it with a U-shaped cap tree, a water storage tank is installed on the top of the cap tree, and a U-shaped fire protection water trough is installed on the side of the wooden building of the cap tree. A simple structure is achieved by installing a fire protection wire net on the entire roof of the wooden building above the fire protection water trough to prevent the spread of fire due to sparks such as leaf boards, and installing a sprinkler on the top of the fire protection wire net. It became possible to build a fire protection wall at low cost, and it became possible to protect the building from fires in neighboring houses.

According to the invention of claim 2, since the fireproof water gutter and the cap tree are configured as an integrated type, the flat plate steel plate is bent into a self-shaped shape to form the fireproof water gutter integrated type cap tree, so that the structure is simple and the cost is low. It has become possible to form a water gutter that also serves as a Kasagi.

According to the invention of claim 3, in order to prevent the square corrugated steel sheet from becoming hot due to a fire in a neighboring house, a heat cooling steel pipe is fixed in a valley portion of the square corrugated steel sheet, and water in a water storage tank is used as a fireproof water trough. By storing water in the heat-cooling steel pipe via the above, it became possible to prevent the square corrugated steel sheet from becoming hot with a simple structure.

According to the invention of claim 4, a U-shaped upper streak gutter connected to the fire gutter is installed on the substantially diagonal roof upper part of the fire gutter, and the fire gutter and the upper streak are used on the Kasagi. By fixing the gutter to make the square corrugated steel plate self-supporting, it is possible to prevent the spread of fire due to sparks such as leaf boards from surrounding houses, and to make the square corrugated steel plate self-supporting with a simple structure at low cost. rice field.

According to the invention of claim 5, when a fire breaks out in the vicinity, the water tap of the water storage tank is opened to supply water to the fire prevention water gutter and the upper streak gutter, and the fire prevention water gutter and the upper streak gutter are provided. When the water is full, the floating ball installed in the fire gutter activates the water stop valve to stop the water supply, which makes it possible to effectively utilize the water in the water storage tank.

According to the invention of claim 6, in order to fix the adjacent front and rear square corrugated steel plates, the arm mounting bolts are passed through the substantially upper and lower center portions of the front square corrugated steel plates so that the arm mounting bolts have a U shape. Along with attaching and fixing the molded joint arm receiving cover, the arm mounting bolt is passed through the approximately upper and lower center of the rear square corrugated steel sheet, and the U-shaped joint arm cover is attached and fixed to the arm mounting bolt. By inserting the triangular hook formed at the tip of the joint arm rotatably attached to the arm mounting bolt into the joint arm receiving cover and hooking it on the arm mounting bolt, the front square corrugated steel plate and the rear By fixing the square corrugated steel sheet of No. 1, it became possible to easily fix the adjacent ALC panels even when the gap between the adjacent house and the neighboring house is narrow and a person cannot work due to the gap.

Hereinafter, embodiments of the present invention will be described.

1 to 9 show embodiments of the present invention.

FIG. 1 shows a web of an H-shaped steel base 4 formed of H-shaped steel (flange width 50 mm, web width 100 mm, flange thickness 7 mm, web thickness 5 mm) constituting the fire protection wall of the present invention so as to surround the wooden building 1. A perspective view shows a state in which the surface is installed parallel to the ground surface.

FIG. 2 is a perspective view showing a state in which a plurality of square corrugated steel plates 10 (described in detail in FIG. 5b) are installed side by side on the web surface of the H-shaped steel base 4 described with reference to FIG. Further, a state in which the square corrugated steel plate fixing device 11 (described in detail with reference to FIG. 8) is attached to the substantially upper and lower central portions of the square corrugated steel plate 10 for fixing the adjacent front and rear square corrugated steel plates 10 is shown. In order to fix the square corrugated steel sheets 10 installed side by side on the web surface of the H-shaped steel base 4 configured in this way to the H-shaped steel base 4, the square corrugated steel sheets 10 were installed on the web surface of the H-shaped steel base 4. After that, concrete is poured into the web surface to fix the H-shaped steel base 4 and the square corrugated steel plate 10.

FIG. 3 shows a fire gutter-integrated Kasagi 19 attached to the upper part of the square corrugated steel plate 10 described with reference to FIG. 2 in order to prevent the wooden building 1 from spreading due to sparks falling on the roof upper surface of the wooden building 1. A fireproof wire net 18 attached to the upper part of the fireproof water gutter integrated Kasagi 19 and a water storage tank 15 for supplying water to the fireproof water gutter integrated Kasagi 19 are shown. In order to extinguish the sparks such as leaf boards falling on the upper surface of the roof of the wooden building 1, the water in the water storage tank 15 is stored in the fire-prevention gutter-integrated Kasagi 19, and the upper part of the fire-prevention gutter-integrated Kasagi 19. By attaching a fire protection wire net 18 (material and shape is stainless crimp woven hardware 2.5φ x 30 mm) to prevent the fall of the fragments burned by the fire, the fragments of the fire such as wooden boards generated by the nearby fire It became possible to protect the wooden building 1 from.

FIG. 4 shows a state in which the fire protection water gutter integrated type Kasagi 19, the fire protection wire mesh 18, and the water storage tank 15 described with reference to FIG. 3 are attached to the upper part of the square corrugated steel plate 10.

FIG. 5 shows the H-shaped steel base 4 described with reference to FIGS. 2 and 3, the square corrugated steel plate 10, and the fire-prevention gutter integrated Kasagi 19. FIG. 5a shows a state in which the heat-cooling steel pipe 28 is mounted in the valley portion 29 of the square corrugated steel sheet 10 and is arranged in front for suppressing the temperature rise of the square corrugated steel sheet 10. The dimensions of the thermal cooling steel pipe 28 are a square steel pipe with a thickness of about 1.6 mm, a cross-sectional dimension of about 50 mm × about 30 mm, and a length approximately the same as that of the square corrugated steel plate 10. Is formed in a sealed state. By fitting and fixing the heat-cooling steel pipe 28 thus formed into the valley portion 29 of the square corrugated steel sheet 10 shown in FIG. 5b, it is possible to prevent the square corrugated steel sheet 10 from becoming hot due to a fire in a neighboring house. rice field.

FIG. 5b shows the square corrugated steel sheet 10 in a cross-sectional view. The square corrugated steel plate 10 is a corrugated steel plate obtained by bending and molding a flat plate-shaped galvalume steel plate having a thickness of about 1 mm. The valley bottom dimension E is 38.6 mm, the mountain bottom dimension F is 166.1 mm, the mountain height dimension G is 50 mm, and the edge dimension H is 15 mm.

FIG. 6 shows a state in which the square corrugated steel plate 10, the heat-cooling steel pipe 28, and the fire-prevention gutter-integrated Kasagi 19 are attached to the H-shaped steel base 4 shown in FIG. Further, as shown in the cross-sectional view taken along the line AB of FIG. 6, the fireproof water gutter integrated type Kasagi 19 is formed by bending a galvalume steel plate having a thickness of about 1 mm into a self-shaped U-shaped Kasagi 26 and a U-shaped fireproof water gutter 25. The height of the Kasagi side surface (A) 43 formed and constitutes the Kasagi 26 is about 100 mm, the width of the top end surface 44 is about 120 mm, and the height of the Kasagi side surface (B) 45 is about 100 mm. The height of the side surface 40 is 100 mm, and the width of the bottom surface 42 is 120 mm. The bottom surface 42 of the fire protection gutter 25 and the Kasamoto side surface (A) 43 of the Kasagi 26 are integrally molded in a state of being bent at a right angle. Further, the upper gutter 27 is formed with the same cross-sectional shape and the same dimensions as the fire gutter 25, and by connecting the end portion of the upper gutter 27 to the side surface 40 of the fire gutter 25, as shown in FIG. The water supplied from the water storage tank 15 by the water supply pipe 17 is also supplied to the upper gutter 27 via the fire gutter 25, and the upper gutter 27 and the fire gutter integrated Kasagi 19 are combined. By covering the upper part of the square corrugated steel plate 10 with the cap tree 26 of the fire gutter integrated type cap tree 19, the adjacent square corrugated steel plates 10 can be fixed and made independent.

FIG. 7 shows a water stop device 55 for efficiently using the water in the water supply tank 15 when the water in the water supply tank 15 is supplied to the fire protection gutter 25. As shown in FIG. 7a, the water stop device 55 moves up and down via a support rod 58 and a fulcrum 60 by a floating ball 59 that moves up and down by water supplied from a water supply tank 15 to a fire prevention water trough 25 and the floating ball 59. It is composed of an operating lever 57 and a water stop valve 56 for stopping the water supply 61 by moving the operating lever 57 up and down. The water stop valve 56 that floats up is configured to stop the water in the water supply tank 15. With this configuration, the water in the water storage tank 15 can be used efficiently.

FIG. 8 shows the square corrugated steel plate fixing device 11 described with reference to FIG. In FIG. 8a, an arm mounting bolt 74 having a diameter of 10 mm is inserted through the upper and lower center portions at a position about 70 mm from the rear end portion 68 of the front square corrugated steel plate 70 arranged side by side, and the tip of the arm mounting bolt 74 is attached. A galvalume steel plate with a thickness of about 1 mm is attached to the threaded part, and a U-shaped joint arm receiving cover 73 with a height of about 30 mm, a length of about 35 mm, and a bent part of about 7 mm both above and below is attached, and the rear square corrugated steel plate is attached. An arm mounting bolt 78 with a diameter of 10 mm is inserted through the center of the upper and lower parts at a position approximately 70 mm from the tip 69 of the 71, and further penetrated and attached to the arm mounting bolt 78 having a thickness of 2.3 mm to the tip. A wedge-shaped joint arm 76 with a thickness of 2.3 mm to 3.2 mm and a length of about 170 mm, to which a hook portion 77 formed into a regular triangle of 3.2 mm is fixed, is rotatably attached, and further for arm attachment. A galvalume steel plate with a thickness of about 1 mm was formed on the threaded part at the tip of the bolt 78, and the front width 84 was about 23 mm, the rear width 85 was about 27 mm, the length was about 35 mm, and the bent part was about 7 mm both above and below, forming a roughly U shape. The state where the joining arm receiving cover 81 is attached is shown. In FIG. 8c, the hooking portion 77 of the joining arm 76 attached to the joining metal fitting 79 by joining the front square corrugated steel plate 70 and the rear square corrugated steel plate 71 described with reference to FIG. 8a is inserted into the arm of the joining arm receiving cover 73. It shows a state in which the hooking portion 77 attached to the tip of the joining arm 76 is hooked on the arm mounting bolt 74 by being inserted into the portion 75 and the tip of the hooking portion 77 gets over the arm mounting bolt 74 and falls by its own weight. .. By hooking the hook portion 77 attached to the tip of the joint arm 76 on the arm mounting bolt 74 in this way, the arm mounting bolt 74 and the arm mounting bolt 78 are fixed, and the front square corrugated steel plate 70 and the rear corner are fixed. The corrugated steel plate 71 is fixed.

In FIG. 8c, when the hooking portion 77 of the joining arm 76 comes into contact with the inside of the joining arm receiving cover 73 and the hooking portion 77 of the joining arm 76 does not fall to the arm mounting bolt 74 due to its own weight, FIG. As shown in the enlarged view of 8c, the upper end of the joint arm receiving cover 73 is bent into a U shape at a length of about 3 mm and an angle of about 30 degrees to form the bent portion 83, and the joint arm is formed into the arm insertion portion 75. When inserting the 76, the tip of the hooking portion 77 formed on the tip of the joining arm 76 is abutted against the bent portion 83 and the hooking portion 77 is forcibly dropped to attach the tip of the hooking portion 67 to the arm. It has become possible to hook it on the bolt 62.

FIG. 9 shows a state in which the sprinkler 90 is attached to the upper portion of the fire protection wire mesh 18 described with reference to FIG. A water stopcock (not shown) is attached to the water supply pipe 92 in order to supply the water in the water storage tank 15 to the sprinkler 90.

With this configuration, even if a fire breaks out in the neighboring house, the square corrugated steel plate 10 prevents the spread of fire, and even if sparks such as leafboards fall due to a nearby fire, the fire protection wire net 18 and fire protection The water stored in the water trough 25 and the upper streak trough 27 can extinguish the sparks and prevent the spread of fire.

Although the water-cooled iron plate fireproof wall according to the present invention has been described in detail based on the above embodiments, the present invention is not limited to the above embodiments and does not deviate from the gist of the invention. Of course, even if various modifications are made in the above, it belongs to the technical scope of the present invention.

Although the heat-aged steel pipe 28 has been described as a square steel pipe in FIG. 5, it is of course possible to use a round steel pipe.

A perspective view shows a state in which an H-shaped steel base is installed around a wooden house according to an embodiment of the present invention. A perspective view shows a state in which the square corrugated steel plate is installed on the H-shaped steel base shown in FIG. 1 according to the same embodiment. A perspective view shows a fireproof water gutter integrated type Kasagi, a fireproof wire mesh, and a water storage tank attached to the upper part of the square corrugated steel plate shown in FIG. 2 according to the same embodiment. A perspective view shows a state in which the fire-prevention gutter integrated cap tree, the fire-prevention wire mesh, and the water storage tank shown in FIG. 3 according to the same embodiment are attached to the upper part of the square corrugated steel plate. The square corrugated steel sheet shown in FIGS. 2 and 3 according to the same embodiment is shown in a cross-sectional view, and a state in which a heat cooling steel pipe is arranged on the square corrugated steel sheet is shown in a perspective view. A perspective view and a cross-sectional view show a state in which a fire-prevention gutter-integrated cap tree is attached to an upper portion of a square corrugated steel plate according to the same embodiment. A cross-sectional view shows a water stop device attached to a water storage tank according to the same embodiment. A perspective view shows a square corrugated steel plate fixing device for fixing the front square corrugated steel plate and the rear square corrugated steel plate according to the same embodiment. The sprinkler installed on the fire protection wire mesh shown in FIG. 4 according to the embodiment is shown in a perspective view.

A Overall width B Valley dimension C Mountain dimension D Edge dimension E Valley bottom dimension F Mountain bottom dimension G Mountain height dimension H Edge dimension 1 Wooden building 2 Neighboring house 3 Road 4 H-shaped steel base 10 Square corrugated steel plate 11 Square corrugated steel plate fixing device 14 Fixing bracket 15 Water storage Tank 16 Water supply 17 Water supply pipe 18 Fireproof wire net 19 Fireproof water gutter integrated type Kasagi 25 Fireproof water gutter 26 Kasagi 27 Upper bracing gutter 28 Heat cooling steel pipe 29 Tanibe 40 Side 41 Water supply hole 42 Bottom 43 Kasagi side (A)
44 Top surface 45 Kasagi side surface (B)
46 Water supply 55 Water stop device 56 Water stop valve 57 Operation lever 58 Support rod 59 Floating ball 60 Floating ball 60 Supporting point 61 Water supply 68 Rear end 69 Tip 70 Front square corrugated steel plate 71 Rear square corrugated steel plate 72 Nut 73 Joint arm receiving cover 74 Arm mounting bolt 75 Arm insertion part 76 Joint arm 77 Hooking part 78 Arm mounting bolt 79 Joint metal fitting 80 Nut 81 Joint arm cover 82 Receiving metal fitting 83 Bending part 84 Front width 85 Rear width 90 Sprinkler 91 Water supply 92 Water supply pipe

Claims (6)

At the fire protection wall to protect the wooden building from the fire of the neighboring house
On the ground surface around the wooden building, the web surface of the H-shaped steel base formed of H-shaped steel so as to surround the wooden building is installed parallel to the ground surface.
On the web surface of the H-shaped steel base, a plurality of square corrugated steel plates obtained by forming horizontal flat plate steel plates into a square corrugated sheet are installed.
The square corrugated steel sheet is fixed by covering the top of the square corrugated steel sheet with a cap tree formed by forming a flat plate steel plate into a U shape.
A water storage tank is installed above the Kasagi,
A U-shaped fire protection gutter is attached to the wooden building side of the Kasagi to store water.
A fire-prevention wire mesh is attached to the entire roof of the wooden building above the fire-prevention gutter to prevent the spread of fire due to sparks such as leaf boards.
Further, a water-cooled iron plate fire protection fence characterized in that a sprinkler is installed on the upper part of the fire protection wire mesh. The water-cooled iron plate fire protection wall according to claim 1, wherein a flat plate steel plate is bent into a self-shaped shape to form a fire protection water gutter integrated cap tree in order to form a fire protection water gutter and a cap tree as an integrated type. In order to prevent the square corrugated steel sheet from becoming hot due to the fire in the neighboring house, a heat cooling steel pipe was fixed in the valley of the square corrugated steel sheet, and the water in the water storage tank was stored in the heat cooling steel pipe via the fireproof water trough. The water-cooled steel plate fireproof wall according to claim 1 or 2. A U-shaped upper gutter that is connected to the fire gutter is installed on the roughly diagonal roof upper part of the fire gutter, and the square corrugated steel plate is self-supporting by fixing the fire gutter and the upper gutter to the Kasagi. The water-cooled iron plate fire protection wall according to any one of claims 1 to 3, wherein the gutter is made. If a fire breaks out in the neighborhood, open the water tap of the water storage tank to supply water to the fire gutter and the upper gutter, and when the fire gutter and the upper gutter are full, use the fire gutter. The water-cooled iron plate fireproof wall according to any one of claims 1 to 4, wherein the water stop valve is operated by the installed floating ball to stop the water supply. In order to fix the adjacent front and rear square corrugated steel plates, the arm mounting bolts are passed through the upper and lower center parts of the front square corrugated steel plates, and the U-shaped joint arm receiving cover is attached and fixed to the arm mounting bolts. , The arm mounting bolts were passed through the upper and lower center of the square corrugated steel sheet, and the U-shaped joint arm cover was attached and fixed to the arm mounting bolts, and then rotatably attached to the arm mounting bolts. The feature is that the front square corrugated steel plate and the rear square corrugated steel plate are fixed by inserting the triangular hooking part formed at the tip of the joint arm into the joint arm receiving cover and hooking it on the arm mounting bolt. The water-cooled steel plate fireproof wall according to any one of claims 1 to 5.

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