JP6920854B2 - Fire hydrant device and its installation method - Google Patents

Description

The present invention relates to a fire hydrant device installed in a tunnel and a method for installing the fire hydrant device.

Conventionally, in a fire hydrant device installed in a tunnel, a housing having a hose storage portion for storing a fire extinguishing hose is installed in a box-extracted portion formed on a wall surface (see, for example, Patent Document 1). ..

JP-A-2015-44039

By the way, recent tunnels are often constructed by the shield method. In the shield method, since the wall surface is constructed of steel segments at the same time as excavation, it is not possible to form a boxed portion on the wall surface as in the conventional method.

Here, on the wall surface of the tunnel constructed by the shield method, a bolt hole called an insert anchor (hereinafter, simply referred to as "insert anchor") is used for fixing various devices such as lighting and piping installed in the tunnel. .) Are provided in a regular arrangement in the length direction (traveling direction of the vehicle) and the circumferential direction of the tunnel. It would be advantageous in terms of construction if the housing of the fire hydrant device could be installed on the wall surface using these insert anchors.

However, although the housings of the fire hydrant device are installed at predetermined intervals (for example, about 50 m) in the length direction of the tunnel, the insert anchors are not installed in consideration of the installation intervals of the housings. No. Therefore, when the housing of the fire hydrant device is installed using the insert anchor, the installation interval may deviate from the predetermined one.

In view of the above circumstances, the present invention can install a housing on the wall surface of a tunnel by using an insert anchor, but can prevent the installation interval from deviating from a predetermined one. , The purpose is to provide a fire hydrant device and its installation method.

The present invention is a fire hydrant device having a housing including a hose storage portion for storing a fire extinguishing hose and having an insert anchor installed in a tunnel provided on a wall surface, extending in the length direction of the tunnel. The first support member is fixed on the wall surface by the insert anchor so as to support the housing on the wall surface so as to be movable in the length direction of the tunnel. A fire hydrant device having a hooking portion having a shape that is folded upward and opens upward, and the housing is supported by being hooked on the hooking portion of the first support member. Is.

Further, the present invention further includes a second support member which is fixed to the housing and has a hooking portion which is folded downward and opens downward, and the housing is the first. The fire hydrant device is characterized in that the hooking portion of the second support member is hooked and supported by the hooking portion of the support member.

Further, the present invention further includes a third support member that supports the lower portion of the housing , and the third support member is located below the first support member in the length direction of the tunnel. It is a fire hydrant device characterized in that it is fixed on the wall surface by the insert anchor so as to extend to the wall and has a mounting portion on which the housing is mounted.

Further, the present invention is a fire hydrant device , wherein the third support member further has a back support portion in contact with the lower back surface of the housing.

Further, the present invention is a method of installing a fire hydrant device having a housing including a hose storage portion for storing a fire extinguishing hose in a tunnel in which an insert anchor is provided on a wall surface, and is folded upward and upwardly. a first support member having a hook portion of the opening shape, and fixing on the wall surface by the pre-Symbol insert anchor so as to extend in a longitudinal direction of the tunnel, the housing and the fixed It is a method of installing a fire hydrant device, which comprises a step of hooking on a hooking portion of a first support member and supporting the fire hydrant on the wall surface so as to be movable in the length direction of the tunnel.

The present invention further includes a step of moving the housing in the length direction of the tunnel by the first support member and adjusting the position of the housing in the length direction of the tunnel. It is the installation method of.

In the present invention, the housing can be supported on the wall surface so as to be movable in the length direction of the tunnel by the first support member fixed to the insert anchor, and the installation position of the housing in the length direction can be determined. Can be adjusted.

Therefore, according to the present invention, a fire hydrant can be installed on the wall surface of a tunnel by using an insert anchor, but the installation interval can be prevented from being deviated from a predetermined one. The device and its installation method can be provided.

An example of installing a fire hydrant device according to an embodiment of the present invention on a tunnel wall surface is shown, (a) is a side view thereof, and (b) is a front view thereof. In the above installation example, the wall surface side upper support rail (an example of the first support member) and the wall surface side lower support rail (an example of the third support member) are fixed to the insert anchor of the tunnel wall surface. Yes, (a) is a side view thereof, and (b) is a front view thereof. The upper support rail on the wall surface side is shown as a single unit, (a) is an enlarged side view thereof, and (b) is an enlarged front view thereof. The upper wall side lower support rail is shown as a single unit, (a) is an enlarged side view thereof, and (b) is an enlarged front view thereof. The upper support rail on the housing side (an example of the second support member) in the above installation example is shown as a single unit, (a) is an enlarged front view thereof, and (b) is an enlarged side view thereof. (A) is an enlarged view of a main part showing a state in which the upper support rail on the housing side of the same is fixed to the housing, and (b) is a hooking of the upper support rail on the housing side to the upper support rail on the wall surface side. It is an enlarged view of a main part (a part surrounded by a circle in FIG. 1A) showing a state in which the housing is supported by the upper support rail on the wall surface side. Another installation example of the fire hydrant device (an example in which the housing is directly hooked to the upper support rail on the wall surface side) is shown, and (a) is a diagram corresponding to FIG. 1 (a), and (b) is. It is an enlarged view of the main part (the part circled). It is an enlarged view of the main part which showed the other installation example of the fire hydrant device of the same above (an example of supporting the bottom of a housing by a lower support leg (another example of a third support member)).

The embodiment of the fire hydrant device and the installation method thereof of the present invention is applied to a fire hydrant device in which the piping portion including the fire hydrant valve is separated as a separate unit and the housing is made small, thin and lightweight. This will be described with reference to FIGS. 1 to 8. The fire hydrant device and its installation method of the present invention can also be applied to a fire hydrant device in which a piping portion including a fire hydrant valve is built in a housing.

First, the basic configuration of the entire fire hydrant device 1 according to the embodiment of the present invention will be briefly described.

As shown in FIG. 1, the fire hydrant device 1 has a housing 4 including a hose storage portion 3 or the like in which a fire extinguishing hose 2 is housed. The housing 4 has a front panel 4c provided with an opening 4a for pulling out the fire extinguishing hose 2 and a front door 4b for opening and closing the opening 4a. The front door 4b is opened by tilting forward (see FIG. 1B), but on the back surface thereof, an operation for operating a fire extinguishing nozzle 2a and a fire hydrant valve provided at the tip of a fire extinguishing hose 2. A lever 5 and the like are provided (see FIG. 1 (a)).

This fire hydrant device 1 can be installed in a tunnel T constructed by a shield method, and the housing 4 can be wall-mounted on a wall surface W constructed by a steel segment SG. be. Specifically, the housing 4 can be mounted on the wall surface W in a wall-mounted manner by using insert anchors (bolt holes) AC that are embedded in a large number of insert anchors (bolt holes) AC that are regularly arranged vertically and horizontally on the wall surface W. ..

Here, in the case of the present embodiment, the fire hydrant device 1 separates the piping portion including the fire hydrant valve from the housing 4 as a separate unit, and the housing 4 is small, thin, and lightweight, and is attached to the wall surface W. It is supposed that the load on the structural part for hanging on the wall can be reduced. The separated units may be provided, for example, in the space under the floor slab FS under the audit road R2 between the wall surface W and the roadway R1 in the tunnel T.

In the fire hydrant device 1, in the case of the present embodiment, the housing 4 has an inclined surface 4e whose lower surface 4d is inclined toward the front side, and the inclined surface 4e is directed to the bottom 4f. The depth dimension is gradually shortened as it reaches the end.

Next, each support member for mounting the housing 4 of the fire hydrant device 1 on the wall surface W in a wall-mounted manner using the insert anchor AC will be described in detail.

[Wall side upper support rail (example of first support member)]
The fire hydrant device 1 first includes a wall surface side upper support rail 6 as a support member for mounting the housing 4 on the wall surface W in a wall-mounted manner using the insert anchor AC.

The wall surface side upper support rail 6 is for supporting the housing 4 on the wall surface W so as to be movable in the length direction of the tunnel T while using the insert anchor AC, and has a corresponding length. As shown in FIGS. 2A and 2B, the tunnel T is fixed on the wall surface W by the insert anchor AC so as to extend in the length direction (traveling direction of the vehicle). Will be stopped). In the installation examples shown in FIGS. 1 and 2, the insert anchor ACs are buried in a horizontal arrangement in the length direction of the tunnel T, and the wall surface side upper support rails 6 have the same number of heights. It is fixed on the wall surface W by the insert anchors AC and extends horizontally in the length direction of the tunnel T. Further, regarding the length of the upper support rail 6 on the wall surface side, in the case of the one used in the installation examples of FIGS. 1 and 2, the length of the housing 4 is shorter than the length of the housing 4 in the width direction. It can be longer than the length in the width direction.

The wall surface side upper support rail 6 may be formed of, for example, a metal long plate, but in the case of the one used in the installation examples shown in FIGS. 1 and 2, specifically. As shown in detail in the enlarged view of FIG. 3, the folded portion formed by bending upward in an L-shaped cross section from the vertical fixing portion 6b fixed on the wall surface W by the insert anchor AC in a substantially vertical state. Is provided over the entire length, and a hooking portion 6a for hooking and supporting the housing 4 is formed on the folded-back portion. The folded-back portion forming the hooking portion 6a may have a shape that can be hooked, and may be, for example, a shape curved in a C-shaped cross section.

Basically, since the fire hydrant device 1 is provided with the wall surface side upper support rail 6, it is possible to support the housing 4 on the wall surface W so as to be movable in the length direction of the tunnel T. , The housing 4 can be moved in the length direction of the tunnel T to adjust the installation position in the length direction. That is, while the housing 4 can be installed on the wall surface W of the tunnel T by using the insert anchor AC, the installation interval should not be deviated from a predetermined one (for example, about 50 m). Is possible.

The positional relationship between the upper support rail 6 on the wall surface side and the bolt fixing the upper support rail 6 to the insert anchor AC in the height direction may be changed. By doing so, the height position of the wall surface side upper support rail 6 can be adjusted, and the height position of the housing 4 supported by the height position can be adjusted.

[Upper rail on the housing side (an example of the second support member)]
Further, in the case of the installation examples shown in FIGS. 1 and 2, the fire hydrant device 1 is fixed to the housing 4 as a support member for hanging and supporting the housing 4 on the wall surface side upper support rail 6 (in the case of the installation example shown in FIGS. 1 and 2. For example, it is provided with a housing-side upper support rail 7 to be bolted.

When the housing side upper support rail 7 is used in the installation examples shown in FIGS. 1 and 2, specifically, the housing side upper support rail 7 is fixed to the upper part of the back surface 4d of the housing 4 and supports the wall surface side upper part. Although it has a hooking portion 7a that is hooked to the hooking portion 6a of the rail 6 (see FIGS. 6A and 6B), it has a long plate shape as detailed in the enlarged view of FIG. (Fixed parallel to the back surface 4d of the housing 4 along the width direction), and bent downward in an L-shaped cross section from the fixing portion 7b fixed to the back surface 4d of the housing 4. It is assumed that the formed folded-back portion is provided over the entire length, and the hooked portion 7a is formed on the folded-back portion. The upper support rail 7 on the housing side may also be formed of, for example, a long metal plate, like the upper support rail 6 on the wall surface side. Further, the length of the upper support rail 7 on the housing side is also shorter than the length in the width direction of the housing 4 in the case of the installation examples shown in FIGS. 1 and 2. It can be longer than the length of the body 4 in the width direction. Further, the length of the upper support rail 7 on the housing side may be set to 1/2 or less of the length in the width direction of the housing 4, and two or more may be provided.

Although not shown here, the wall surface side upper support rail 6 and the housing side upper support rail 7 are appropriately set to be installed in the length direction by moving the housing 4 in the length direction of the tunnel T. After the adjustment, it is fixed by the fixing means for fixing both. As a result, it is possible to prevent the misalignment between the two, and it is possible to prevent the misalignment of the housing 4 after installation. As the fixing means for both, various fixing means can be used. For example, the hooking portion 6a of the wall surface side upper support rail 6 and the hooking portion 7a of the housing side upper support rail 7 are formed 1 respectively. It may be a plurality of elongated holes (a plurality of round holes may be used), and bolts and nuts that are inserted into the elongated holes and fastened between the two. The side view shapes of the wall surface side upper support rail 6 and the housing side upper support rail 7 are not limited to the above, and for example, the housing side upper support rail 7 has a surface that abuts on the horizontal plane of the wall surface side upper support rail 6. However, a long hole may be provided in the horizontal plane of the upper support rail 6 on the wall surface side, and a round hole may be provided in the upper support rail 7 on the housing side, and the installation position may be determined and then fixed with bolts and nuts.

[Wall side lower support rail (example of third support member)]
Further, in the case of the installation example shown in FIGS. 1 and 2, the fire hydrant device 1 has a posture of the housing 4 which is supported by being hooked to the wall surface side upper support rail 6 via the housing side upper support rail 7. In order to hold the housing 4, as a support member for supporting the lower portion of the housing 4, the insert anchor AC extends onto the wall surface W so as to extend in the length direction of the tunnel T while being located below the wall surface side upper support rail 6. Wall-side lower support having a mounting portion 8a on which the bottom 4f of the housing 4 in a state of being fixed and supported by being hooked to the wall-side upper support rail 6 via the housing-side upper support rail 7 is placed. It is equipped with a rail 8.

When the lower wall support rail 8 is used in the installation examples shown in FIGS. 1 and 2, specifically, the lower support rail 8 has a long plate shape as shown in detail in the enlarged view of FIG. At the same time, when the inclined fixing portion 8b is fixed on the wall surface W by the insert anchor AC in an inclined state, the mounting portion 8a forms a horizontal plane. Further, corresponding to the housing 4 having the inclined surface 4e at the lower part of the back surface 4d in the present embodiment, the back surface supporting portion 8c to which the inclined surface 4e is in contact is further provided.

Although not shown here, the wall surface side lower support rail 8 and the bottom portion 4f of the housing 4 are appropriately set to be installed in the length direction by moving the housing 4 in the length direction of the tunnel T. After the adjustment, it is fixed by the fixing means for fixing both. As a result, it is possible to prevent the misalignment between the two, and it is possible to prevent the misalignment of the housing 4 after installation. Various fixing means can be used as the fixing means for both, and for example, one or more elongated holes (several round holes may be used) formed in the mounting portion 8a of the lower wall side support rail 8. It can be a plurality of bolt holes formed in the bottom 4f of the housing 4 and a bolt that is inserted into the long hole of the former and then inserted / screwed into the bolt hole of the latter to fasten the two. The wall surface side lower support rail 8 and the back surface 4d of the housing 4 may be fixed. Specifically, for example, the back surface support portion 8c of the wall surface side lower support rail 8 and the housing. It may be fixed between the back surface 4d and the inclined surface 4e below the back surface 4d.

The positional relationship between the lower wall support rail 8 and the bolts that fix it to the insert anchor AC may be changed in the height direction. By doing so, the height position of the lower wall side support rail 8 can be adjusted, and the height position of the housing 4 supported by the height position can be adjusted.

In the case of the installation example shown in FIGS. 1 and 2, the fire hydrant device 1 is as described above as a support member for installing the housing 4 on the wall surface W in a wall-mounted manner using the insert anchor AC. It has. Details will be described below, but with respect to the housing-side upper support rail 7, it is also possible to provide a portion that performs the same function as an integral part on the back surface 4d of the housing 4, and the wall surface-side lower support rail 8 Can be omitted. That is, as the support member, it is possible to support the housing 4 on the wall surface W so as to be movable in the length direction of the tunnel T by using only the wall surface side upper support rail 6, and the housing 4 is appropriately supported by the tunnel T. It is possible to adjust the installation position in the length direction by moving in the length direction of. That is, while the housing 4 can be installed on the wall surface W of the tunnel T by using the insert anchor AC, the installation interval should not be deviated from a predetermined one (for example, about 50 m). Is possible.

Next, instead of the housing-side upper support rail 7, a hooking portion 4g that performs the same function is provided integrally with the back surface 4d of the housing 4, and the housing 4 is directly mounted by the hooking portion 4g. An installation example in which the wall-side upper support rail 6 is hooked and supported while the wall-side lower support rail 8 is omitted will be described with reference to FIG. 7.

That is, in the case of the installation example shown in FIG. 7, in the case of the fire hydrant device 1, instead of the housing-side upper support rail 7, a hooking portion 4g that performs the same function is provided on the upper portion of the back surface 4d of the housing 4. The housing 4 is directly hooked and supported by the wall surface side upper support rail 6 by the hooking portion 4g, and the housing 4 is supported by the support member supporting the housing 4 from the bottom 4f side. It is assumed that there is no lower support rail 8 on the wall surface side.

Although the detailed structure of the hooking portion 4g provided on the housing 4 is not shown in detail, it is provided on the inner surface of the plate forming the back surface 4d, and the width of the housing 4 is directly below the hooking portion 4g. The structure is such that the hooking portion 6a of the wall surface side upper support rail 6 inserted from the elongated holes formed in parallel along the direction is hooked in the housing 4. Further, the hooking portion 4g may be formed only by providing an elongated hole in the back surface 4d of the housing 4. Further, in the case of the installation example shown in FIG. 7, the method of fixing the upper support rail 6 on the wall surface side and the housing 4 is, for example, in a row on the upper side of the hooking portion 4g of the housing 4 in the longitudinal direction of the housing 4. Bolts can be passed through the plurality of mounting holes provided and the elongated holes of the upper support rail 6 on the wall surface side to fix the rails.

Finally, an example of the installation process of the fire hydrant device 1 in the case of the installation examples shown in FIGS. 1 and 2 will be briefly described.

Step 1: The wall surface side upper support rail 6 is fixed on the wall surface W by the insert anchor AC.
Step 2: The lower wall support rail 8 is fixed on the wall surface W by the insert anchor AC.
Step 3: The housing-side upper support rail 7 is fixed on the back surface 4d of the housing 4.
Step 4: The hooking portion 7a of the upper support rail 7 on the housing side is hooked to the hooking portion 6a of the upper support rail 6 on the wall surface side.
Step 5: The bottom portion 4f of the housing 4 is mounted on the mounting portion 8a of the lower wall side support rail 8.
Step 6: The housing 4 is appropriately moved in the length direction of the tunnel T, and the installation position in the length direction is adjusted.
Step 7: The wall surface side upper support rail 6 and the housing side upper support rail 7 are fixed.
Step 8: The lower wall side support rail 8 and the bottom portion 4f of the housing 4 are fixed.
However, in the above steps, the order of steps 1 to 3, steps 4 and 5, and steps 7 and 8, respectively, may be changed as appropriate.

Although an example of the embodiment of the present invention has been described above, the present invention is not limited to the above embodiment, and various modifications can be made.

For example, as a support member for supporting the lower part of the housing 4 (another example of the third support member) instead of the lower wall side support rail 8, as shown in FIG. 8, the bottom 4f of the housing 4 and the tunnel The lower support leg 9 may be provided so as to form a leg below the bottom 4f of the housing 4 so as to be interposed between the inspection path R2 of the T. The lower support leg 9 can be attached to the bottom 4f of the housing 4, and for example, assuming that the lower support leg 9 has a male screw portion, the male screw is inserted into a bolt hole provided in the bottom 4f of the housing 4. It can be assumed that it is attached by screwing the portion. Further, the leg length (height) can be adjusted so as to be adjustable according to the installation height of the housing 4. The lower support leg 9 is sandwiched between the bottom 4f of the housing 4 and the audit path R2 as a separate body from the housing 4, and is held in a state of supporting the bottom 4f of the housing 4. It may be the one. Further, instead of the lower support leg 9, the housing 4 may be attached to the wall surface side upper support rail 6, and then a jack may be inserted between the bottom 4f and the audit path R2 to serve as a support member.

1: Fire hydrant device 2: Fire extinguishing hose 2a: Fire extinguishing nozzle 3: Hose storage part 4: Housing 4a: Opening 4b: Front door 4c: Front panel 4d: Back surface 4e: Inclined surface 4f: Bottom 4g: Hooking part 5 : Operation lever 6: Wall side upper support rail 6a: Hooking part 6b: Vertical fixing part 7: Housing side upper support rail 7a: Hooking part 7b: Fixed part 8: Wall side lower support rail 8a: Mounting part 8b: Inclined fixing part 8c: Back support part T: Tunnel W: Wall surface SG: Segment AC: Insert anchor R1: Road R2: Audit road Deck: FS

Claims (6)

A fire hydrant device that has a housing with a built-in hose storage unit for storing fire extinguishing hoses and is installed in a tunnel where an insert anchor is provided on the wall surface.
A first support member is provided which is fixed on the wall surface by the insert anchor so as to extend in the length direction of the tunnel and supports the housing on the wall surface so as to be movable in the length direction of the tunnel. ,
The first support member has a hooking portion having a shape that is folded upward and opens upward, and the housing is hooked and supported by the hooking portion of the first support member. A fire hydrant device characterized by being used. A second support member which is fixed to the housing and has a hooking portion which is folded downward and opens downward is further provided, and the housing body is a hooking portion of the first support member. The fire hydrant device according to claim 1, wherein the hooking portion of the second support member is hooked and supported. A third support member for supporting the lower portion of the housing is further provided .
The third support member is located below the first support member, is fixed on the wall surface by the insert anchor so as to extend in the length direction of the tunnel, and the housing is mounted on the wall surface. The fire hydrant device according to claim 1 or 2 , wherein the fire hydrant device has a mounting portion to be placed. The fire hydrant device according to claim 3 , wherein the third support member further has a back support portion in contact with the lower back surface of the housing. A method of installing a fire hydrant device having a housing with a built-in hose storage part for storing a fire extinguishing hose in a tunnel where an insert anchor is provided on a wall surface.
Folded upward, and fixing the first support member having a hook portion having a shape which opens upward, on the wall surface by the pre-Symbol insert anchor so as to extend in a longitudinal direction of the tunnel, the housing, and hooked to the hook portion of the first support member and the fixed fire hydrant apparatus comprising a step of supporting on movably the wall surface in the longitudinal direction of the tunnel Installation method. The fire hydrant device according to claim 5 , further comprising a step of moving the housing in the length direction of the tunnel by the first support member and adjusting the position of the housing in the length direction. Installation method.

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