JP6568777B2 - Fire hydrant equipment - Google Patents

Description

  The present invention relates to a fire hydrant device installed in a tunnel or the like.

  For example, as disclosed in Patent Document 1, a fire hydrant device installed in a tunnel or the like has a fire hydrant main body installed in a “box opening portion formed on a tunnel wall surface”, and a fire hydrant valve unit is installed in an “installation space in an audit road”. It was installed separately.

  When the main body of the fire hydrant device is installed in the box-opening portion, the hose is pulled out from the front side by opening the front door of the main body.

JP2015-44039A

Recent large-diameter tunnels are often constructed by a shield method. In this case, the tunnel wall is constructed of steel segments simultaneously with the excavation of the tunnel, so that a box as disclosed in Patent Document 1 is used. I can't remove it.
Therefore, it is conceivable that the fire hydrant device main body is installed not in the tunnel wall but in the inspection road and the fire hydrant valve unit is installed below the roadway.

  If such an arrangement is selected, the front of the fire hydrant device will face the roadway, so if there is a fire immediately before the main body of the fire hydrant device, or if the vehicle is When is stopped, it is assumed that the front door cannot be opened and the hose cannot be pulled out.

  The present invention has been made to solve such a problem, and when the main body of the fire hydrant device is embedded in the inspection path, even if the hose cannot be pulled out from the front side of the main body, the hose is pulled out. An object of the present invention is to provide a fire hydrant device that enables quick fire extinguishing activities.

(1) A fire hydrant device according to the present invention is a fire hydrant device provided with a box-shaped housing containing a hose housing portion for housing an internally wound hose,
A front opening provided on the front side of the housing, a front door provided to open and close the front opening, a top opening provided on the top surface of the housing, and the top opening can be opened and closed. An upper surface door provided in the housing, and a nozzle holder provided in the housing and removably holding a fire extinguishing nozzle provided at a tip portion of the hose,
The hose storage part is arranged so that the internally wound hose is inclined so that the lower part is the front and the upper part is the rear, and the hose can be pulled out from either the upper surface opening or the front opening. And
The nozzle holder is provided at a position where the fire-extinguishing nozzle held by the nozzle holder can be removed from either the front side or the upper side of the housing.

(2) In the above (1), the upper door of the fire hydrant device is reinforced more strongly than other parts constituting the box-shaped casing. is there.

(3) Further, in the above (1) or (2), the hose housing portion is inclined and the upper part is the front side, the lower part is the rear side, and / or the upper part is the rear side, and the lower part is the front side. It is characterized by being tiltable.

In the present invention, a fire hydrant apparatus having a box-shaped housing containing a hose housing portion for housing an internally wound hose, the front opening provided on the front side of the housing, and the front opening A front door provided to be openable and closable, an upper surface opening provided on an upper surface side of the housing, an upper door provided to be able to open and close the upper surface opening, and a tip of the hose provided in the housing A nozzle holder that removably holds a fire extinguishing nozzle provided in the part, and the hose storage part is arranged such that the internally wound hose is inclined so that the lower part is the front and the upper part is the rear. The hose can be pulled out from either the top opening or the front opening,
The nozzle holder is provided at a position where the fire extinguishing nozzle held by the nozzle holder can be removed from either the front side or the upper surface side of the casing, so that the hose can be pulled out from the front side of the casing. Even if it is not possible, quick fire extinguishing activity can be performed by pulling out the hose from the upper surface side of the housing.

1 is a front view of a fire hydrant device according to an embodiment of the present invention. It is explanatory drawing of the internal structure of the state seen from the side of the fire hydrant apparatus shown in FIG. It is explanatory drawing of the nozzle holder which concerns on one embodiment of this invention. It is explanatory drawing of the example of installation of the fire hydrant apparatus shown in FIG. It is a figure which shows the state seen from arrow AA in FIG.

  The fire hydrant device 1 according to the present embodiment is a fire hydrant device including a main body 6 containing a hose housing portion 5 for housing an internally wound hose 3 and a fire hydrant valve unit 7.

<Main body>
As shown in FIGS. 1 and 2, the main body 6 has a box 9 having a rectangular box shape, and a hose storage 5 and a fire extinguisher for storing a hose 3 wound in an inner winding in the box 9. A fire extinguisher storage unit 10 is provided.
In addition, a front opening 11 is provided on the front surface of the hose storage portion 5 in the housing 9, a descending front door 13 is provided on the front opening 11, and further on the front surface of the fire extinguisher storage portion 10 in the housing 9. A fire extinguisher box front opening 12 is provided, and a side-opening type fire extinguisher box front door 14 is provided in the fire extinguisher box front opening 12.

Further, an upper surface opening 15 is provided on the upper surface of the hose storage 5 in the housing 9, an upper door 17 is provided in the upper surface opening 15, and a fire extinguisher box is provided on the upper surface of the fire extinguisher storage 10 in the housing 9. An upper surface opening 16 is provided, and a fire extinguisher box upper surface door 18 is provided in the fire extinguisher box upper surface opening 16.
Further, a nozzle holder 21 for holding a fire extinguishing nozzle 19 provided at the tip of the hose 3 at a predetermined position is provided in the housing 9 (see FIG. 3).
Hereinafter, each part which comprises the main body 6 is demonstrated in detail.

《Hose storage part》
As shown in FIG. 2, the hose storage portion 5 has a rectangular bottomed frame shape, and the hose 3 that is wound inside is stored therein.
As shown in FIG. 2, the hose storage portion 5 is installed in the housing 9 in a state of being inclined such that the lower portion is the front and the upper portion is the rear.
By arranging the hose storage portion 5 so as to be inclined as described above, the internally wound hose 3 can be pulled out not only from the front opening 11 but also from the upper opening 15.

In addition, the hose accommodating part 5 may be fixed in an inclined state as shown in FIG. 2, and from the state shown in FIG. 2, the upper part is the front side, the lower part is the rear side, and / or the upper part is the rear side. You may comprise so that a lower part can tilt to the front side.
By allowing the hose storage part 5 to tilt, when the hose storage part 5 is pulled out from the front opening 11, the direction shown by the arrow A (the upper part is the front side and the lower part is the rear side from the state shown in FIG. 2). The hose 3 can be smoothly pulled out. On the other hand, when the hose 3 is pulled out from the upper surface opening 15, the hose storage 5 rotates from the state shown in FIG. 2 in the direction indicated by the arrow B (the direction in which the upper part is the rear side and the lower part is the front side). As a result, the drawer of the hose 3 can be smoothed.
The hose storage portion 5 is not limited to a rectangular shape when it is fixed or can be tilted. For example, the hose storage portion 5 may be an oval shape or a circular shape as long as the hose 3 can be accommodated inside.

《Front door》
The front door 13 has a horizontally long rectangular shape made of a plate-shaped metal plate, and is attached to the front opening 11 of the housing 9 so as to be openable and closable as described above.
The front door 13 is a so-called descending door that opens to open the front opening 11 and closes the front opening 11 by moving up.
By making the front door 13 a descending door, the door can be opened even if an obstacle comes close to the front side of the fire hydrant apparatus 1.
However, the front door 13 of the present invention is not limited to the descending type, and includes, for example, a type that rotates 180 ° forward and other types.

《Fire extinguisher box front door》
Moreover, the fire extinguisher box front door 14 is attached to the main body 6 so that one end side (the left side in FIG. 1) of the door is turnable in a lateral direction with a hinge. A handle is provided on the other end side, and when used, the handle is pulled to open the front door 14 of the fire extinguisher box.
In addition, the fire extinguisher box front door 14 of the present invention is not limited to the lateral opening type, and may be, for example, a descending type door.
Moreover, the opening method of the front door 13 and the fire extinguisher box front door 14 may employ | adopt a different opening method as mentioned above, and may employ | adopt the same opening method.

《Top door》
The upper surface door 17 has a horizontally long rectangular shape made of a plate-shaped metal plate, and is attached to the upper surface opening 15 of the housing 9 so as to be openable and closable as described above.
As shown in FIG. 2, the upper surface door 17 is configured to rotate, for example, toward the front surface about a rotation shaft (not shown) provided on the front side.
The top door 17 is preferably locked in the open state so that it does not close naturally.
In addition, the opening / closing method of the top door 17 is not limited to the above-described rotation type, and may be, for example, a sliding type.

《Fire extinguisher box top door》
Further, the fire extinguisher box upper surface door 18 has the same configuration as the upper surface door 17.
In addition, as the opening method of the upper surface door 17 and the fire extinguisher box upper surface door 18, the same opening method may be employ | adopted as mentioned above, and it is good also as a different employment method. For example, the upper surface door 17 may be a rotating method as described above, and the fire extinguisher box upper surface door 18 may be a sliding method.

The upper surface door 17 and the fire extinguisher box upper surface door 18 can be installed so as to constitute a part of the road surface by making the upper surface strong enough for people to pass.
Even if reinforced, the panel constituting the casing 9 is of a degree that prevents bending, but when the upper door 17 and the fire extinguisher box upper door 18 are allowed to pass, the lower surfaces of the upper door 17 and the fire extinguisher box upper door 18 are used. The side is preferably reinforced over the entire surface to be stronger than other parts. As a reinforcing method, for example, a grating material can be used as a reinforcing material, or a honeycomb-structured cover material or the like can be used to achieve weight reduction and high strength.

<Nozzle holder>
The nozzle holder 21 holds the fire extinguishing nozzle 19 provided at the tip of the hose 3 when the hose 3 is housed, and is formed by a pair of holding pieces 23 having an overall C shape (see FIG. 3). As shown in FIG. 1, the pair of holding pieces 23 are fixed in the housing 9 at a predetermined interval.

As shown in FIG. 3, each holding piece 23 is formed by processing a flat plate made of synthetic resin so that the overall shape becomes a C shape, and the holding piece 23 is fixed to a predetermined position of the housing 9. A base portion 27 having a bolt hole 25 formed therein, a curved long claw portion 29a extending from the base portion 27 in one direction, and a curved short claw portion 29b extending from the base portion 27 in the other direction. A portion surrounded by the long claw portion 29 a, the short claw portion 29 b, and the base portion 27 is a nozzle housing hole 31. Further, a gap is formed at the tip of the long claw portion 29 a and the short claw portion 29 b, and this gap serves as a notch portion 33 for allowing the fire-extinguishing nozzle 19 toward the nozzle accommodation hole 31 to pass therethrough.
Further, the anti-rotation portion 35 that prevents the rotation of the fire-extinguishing nozzle 19 that is formed and accommodated at the hole edge 31 a of the nozzle accommodation hole 31 so as to protrude inward of the nozzle accommodation hole 31 is provided.

  In addition, as shown in FIG. 3, the rotation prevention part 35 of this Embodiment is comprised by the wall part provided with the linear part formed so that two points of the curved hole edge 31a might be tied.

In the nozzle holder 21 configured as described above, the holding piece 23 is fixed so that the notch 33 is inclined upward, and the fire extinguishing nozzle 19 is pushed into the nozzle housing hole 31 from the notch 33. The long claw portion 29 a and the short claw portion 29 b are deformed and the fire extinguishing nozzle 19 is held in the nozzle accommodation hole 31.
In a state where the fire extinguishing nozzle 19 is held in the nozzle accommodation hole 31, the rotation preventing unit 35 presses the fire extinguishing nozzle 19, thereby preventing the fire extinguishing nozzle 19 from rotating.
Therefore, the fire-extinguishing nozzle 19 can be held in a state where it can be easily taken out from either the upper surface opening 15 or the front surface opening 11.

In the nozzle holder 21 of the present embodiment, the rotation preventing portion 35 is provided in the nozzle housing hole 31, thereby preventing the fire-extinguishing nozzle 19 from rotating due to secular change and making the fire-extinguishing nozzle 19 the upper surface opening 15 and the front surface opening 11. It maintains a state where it can be easily taken out from any of the above, and contributes to facilitating fire fighting activities.
Further, the rotation preventing portion 35 is formed so as to protrude to the inner side of the nozzle accommodating hole 31, and even if the accuracy of the shape of the nozzle accommodating hole 31 is somewhat inferior, the rotation of the fire-extinguishing nozzle 19 is rotated. In other words, the accuracy of the nozzle receiving hole 31 can be prevented from being required.

  In addition, although the nozzle holder 21 is installed in the housing 9, the installation position is such that the fire extinguishing nozzle 19 held by the nozzle holder 21 can be removed from either the front side or the upper surface side of the housing 9. Is preferred. As such a position, for example, it may be attached to the front surface or side surface of the hose housing 5, the inner side surface of the housing 9, or the inner surface side of the front door when the front door is turned 180 ° forward. Conceivable.

<Fire hydrant valve unit>
The fire hydrant valve unit 7 is formed by integrating a fire hydrant valve, an automatic pressure regulating valve, and an automatic drain valve as disclosed in Patent Document 1. The fire hydrant valve unit 7 is disposed in the lower space 45 below the roadway 43, connects the primary side of the fire hydrant valve to the branch pipe of the water distribution main pipe 36, and connects the secondary side of the automatic pressure regulating valve and the piping system in the housing 9. The flexible hose 37 is used for connection (see FIG. 4).

  In the case of the shield tunnel 39, since the distance between the inspection path 41 and the lower space 45 below the roadway 43 becomes longer (see FIGS. 4 and 5), the fire hydrant valve unit 7 is connected to the lower space 45 as in the present embodiment. If the piping system in the housing 9 and the fire hydrant valve unit 7 are connected to each other by the flexible hose 37, the piping work can be carried out extremely easily and smoothly.

An operation lever (not shown) is provided on the wall surface in the housing 9 so that the opening and closing of the fire hydrant valve of the fire hydrant valve unit 7 can be remotely operated via a wire or the like. For this reason, the operation lever is disposed at a position where it can be operated on either the front opening side or the upper surface opening side.
The fire hydrant valve may be constituted by an electric valve, and an operation switch for operating the electric valve may be provided instead of the operation lever.

A preferred installation method of the present embodiment configured as described above will be described with reference to FIGS.
The fire hydrant apparatus 1 is installed so as to be embedded in the inspection path 41 of the shield tunnel 39, and a front panel is disposed on the roadway 43 side.
As described above, the fire hydrant valve unit 7 is disposed in the lower space 45 below the roadway 43, and the fire hydrant valve unit 7 and the fire hydrant apparatus 1 are connected by the flexible hose 37.

  In the example shown in FIGS. 3 and 4, the upper surface door 17 and the fire extinguisher box upper surface door 18 of the fire hydrant apparatus 1 constitute a part of the road surface of the inspection path 41. However, the upper surface door 17 and the fire extinguisher box upper surface door 18 of the fire hydrant apparatus 1 are installed so as to be lower than the inspection path 41, and a manhole is provided in the inspection path portion above the upper surface door 17 and the fire extinguisher box upper surface door 18. Alternatively, an openable / closable lid such as a grating lid may be installed.

According to the fire hydrant device 1 of the present embodiment configured as described above, when a fire occurs in a tunnel, the front door 13 or the upper door 17 is opened and the fire-extinguishing nozzle 19 is taken out to perform a fire-extinguishing activity. be able to.
Since the fire hydrant device 1 is installed in the inspection path 41, the front door 13 of the fire hydrant device 1 faces the roadway 43. For example, when a fire occurs immediately before the front door 13, There may be a situation in which the front door 13 cannot be opened, for example, when the vehicle is stopped immediately before. In this respect, the fire hydrant apparatus 1 according to the present embodiment can open the upper door 17 and take out the fire-extinguishing nozzle 19. In such a case, the operator opens the upper door 17 from the inspection path 41. The fire-extinguishing nozzle 19 can be taken out and fire-extinguishing can be performed from the inspection path 41, and fire-extinguishing from a safe place can be performed quickly.
Similarly, when the fire extinguisher box front door 14 cannot be opened, the fire extinguisher box top door 18 can be opened and the fire extinguisher can be taken out. It can be taken out quickly and fire extinguishing activities can be performed quickly.

Further, in the fire hydrant apparatus 1 according to the present embodiment, the hose storage portion 5 is disposed so as to be tilted forward and backward as shown in FIG. 2, so that the fire-extinguishing nozzle 19 is taken out from either the front door 13 or the upper door 17. Even when the hose 3 is pulled out, the hose 3 can be pulled out smoothly.
Moreover, as described above, the hose housing part 5 can be tilted, whereby the hose 3 can be pulled out more smoothly.

  In the above description, the example in which the fire hydrant device 1 is constituted by the main body 6 and the fire hydrant valve unit 7 is shown. However, the fire hydrant device 1 according to the present invention has a fire hydrant valve, a pressure regulating valve, and an automatic drain valve inside. Including.

1 Fire hydrant device, 3 hose, 5 hose housing, 6 body, 7 fire hydrant valve unit,
9 Housing, 10 Fire extinguisher storage, 11 Front opening, 12 Fire extinguisher box front opening,
13 front door, 14 fire extinguisher box front door, 15 top opening, 16 fire extinguisher box top opening, 17 top door, 18 fire extinguisher box top door, 19 fire extinguishing nozzle, 21 nozzle holder,
23 holding piece, 25 bolt hole, 27 base, 29a long claw part, 29b short claw part,
31 Nozzle accommodation hole, 31a Hole edge, 33 Notch, 35 Anti-rotation part,
36 Water distribution main, 37 Flexible hose, 39 Shield tunnel,
41 Inspection Road, 43 Roadway, 45 Lower Space

Claims (3)

A fire hydrant device provided with a box-shaped housing containing a hose housing part for housing an internally wound hose,
A front opening provided on the front side of the housing, a front door provided to open and close the front opening, a top opening provided on the top surface of the housing, and the top opening can be opened and closed. An upper surface door provided in the housing, and a nozzle holder provided in the housing and removably holding a fire extinguishing nozzle provided at a tip portion of the hose,
The hose storage part is arranged so that the internally wound hose is inclined so that the lower part is the front and the upper part is the rear, and the hose can be pulled out from either the upper surface opening or the front opening. And
The fire hydrant device, wherein the nozzle holder is provided at a position where the fire-extinguishing nozzle held by the nozzle holder can be removed from either the front side or the top side of the housing.   The fire hydrant apparatus according to claim 1, wherein the upper surface door of the fire hydrant apparatus is reinforced more strongly than other parts constituting the box-shaped casing.   3. The hose housing part according to claim 1 or 2, wherein the upper part is tiltable from the inclined state so that the upper part can be tilted to the front side, the lower part to the rear side, and / or the upper part to the rear side and the lower part to the front side. Fire hydrant device.

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