JP2015080544A - Fire hydrant device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fire hydrant device not needing complicated installation work of a fire detector to a concrete skeleton to reduce installation cost by disposing the fire detector in an empty space inside a body.SOLUTION: A fire hydrant device 1 includes: a box-shaped casing 2 in which the front face is opened; a front face panel 3 attached to the front face of the casing 2; and a fire hydrant door 10, a maintenance door 11 and a fire extinguisher door 17 attached to the front face panel 3 such that they can open/close opening parts 3a, 3b formed in the front face panel 3. A hose storage part storing a fire-extinguishing hose 4 is provided inside the casing 2, an attachment base is fixed to the casing 2 beside the hose storage part in the width direction of the hose storage part in a state that an equipment placing face is directed forward, a fire detector 20 is placed on the equipment placing face and is attached to the attachment base in a state that a light reception glass 22 is projected to the front face side from the casing 2, and a fire detector cover 12 is attached to the attachment base in a state that the light reception glass 22 is projected from the front face side of the fire detector 20.

Description

  The present invention relates to a fire hydrant device installed in a tunnel such as a highway, and more particularly to a fire hydrant device provided with a fire detector.

  2. Description of the Related Art Conventionally, in highway expressway tunnels, a cage-like concrete frame is constructed on the road surface of the lane, and a supervisor passage having a predetermined height is constructed on one road shoulder. In order to protect people and vehicles from fire accidents that occur in the tunnel, emergency facilities such as fire detectors for fire monitoring and fire hydrant devices for fire extinguishing are installed. The fire detectors are installed at predetermined intervals on the wall surface of the concrete frame. The fire hydrant device is disposed in a box opening recessed in the wall surface of the concrete frame that can be operated from the supervisor passage, and is installed at predetermined intervals (see, for example, Patent Document 1).

JP 2001-9053 A

  In conventional tunnels, in order to install a fire detector and a fire hydrant device, it is necessary to fix them individually to the wall surface of the concrete frame using anchor bolts, etc., which means that the installation work is complicated and the installation cost increases. There was a problem.

  This invention has been made to solve the above-mentioned problems. The fire detector is arranged in an empty space in the main body, and the complicated installation work of the fire detector on the concrete frame is not required. It aims at obtaining the fire hydrant apparatus which can reduce cost.

  The fire hydrant device according to the present invention includes a box-shaped housing that opens at the front, a front panel that is attached to the front of the housing, and a door that is attached to the front panel so that the opening formed in the front panel can be opened and closed. And a hose storage portion for storing a fire hose is provided in the housing. The mounting base is fixed to the case with the device mounting surface facing forward on the side in the width direction of the hose storage portion, and the fire detector is placed on the front side of the optical window from the case. The fire detector cover is attached to the mounting base by projecting the optical window from the front side of the fire detector. ing.

According to this invention, since the fire detector is installed in the main body using the empty space in the main body of the fire hydrant device, the complicated work of attaching the fire detector to the concrete frame becomes unnecessary, and the inside of the tunnel The installation cost of emergency equipment can be reduced.
In addition, since the fire detector and the fire detector cover are attached to the mounting base fixed to the housing, the fire detector and the fire detector cover can be attached to the mounting base sequentially from the front. And the installation work of the fire detector cover is improved.

It is a front view which shows the fire hydrant apparatus which concerns on Embodiment 1 of this invention. It is a partially broken top view which shows the state which opened the fire hydrant door of the fire hydrant apparatus which concerns on Embodiment 1 of this invention. It is a side view which shows the state which opened the fire hydrant door of the fire hydrant apparatus which concerns on Embodiment 1 of this invention. It is a perspective view which shows the fire detector with which the fire hydrant apparatus which concerns on Embodiment 1 of this invention is equipped. It is a front view which shows the fire detector cover in the fire hydrant apparatus which concerns on this Embodiment 1 in this invention. It is a front view which shows the mounting stand of the fire detector in the fire hydrant apparatus which concerns on this Embodiment 1 in this invention. It is a left view which shows the mounting stand of the fire detector in the fire hydrant apparatus which concerns on this Embodiment 1 in this invention. It is a right view which shows the mounting stand of the fire detector in the fire hydrant apparatus which concerns on this Embodiment 1 in this invention. It is a top view which shows the mounting stand of the fire detector in the fire hydrant apparatus which concerns on this Embodiment 1 in this invention. It is a bottom view which shows the mounting stand of the fire detector in the fire hydrant apparatus which concerns on this Embodiment 1 in this invention. It is a figure explaining the attachment method to the attachment stand of the fire detector in the fire hydrant apparatus which concerns on this Embodiment 1 in this invention.

  Hereinafter, preferred embodiments of the fire hydrant device of the present invention will be described with reference to the drawings.

Embodiment 1 FIG.
1 is a front view showing a fire hydrant device according to Embodiment 1 of the present invention, FIG. 2 is a partially broken top view showing a state where the fire hydrant door of the fire hydrant device according to Embodiment 1 of the present invention is opened, and FIG. FIG. 4 is a side view showing a state where the fire hydrant door of the fire hydrant device according to Embodiment 1 of the present invention is opened, and FIG. 4 is a perspective view showing a fire detector equipped in the fire hydrant device according to Embodiment 1 of the present invention. is there.

  1 to 3, a fire hydrant device 1 is an emergency facility having a fire monitoring function and a reporting function in addition to a fire extinguishing function, and is a box made of a rectangular parallelepiped box having a front opening. A body 2 and a front panel 3 that is fastened and fixed to the front surface of the housing 2 and attached to the front surface of the housing 2 are provided. A fire extinguishing hose 4 having a fire extinguishing nozzle 4a at its tip and wound in an inner winding around a hose bucket 5 serving as a hose accommodating portion is accommodated in an inner central portion of a main body composed of a housing 2 and a front panel 3. Yes. The fire extinguisher 6 and various electric devices are housed on one side in the body width direction of the housing portion of the fire hose 4 in the body. A piping system 7 including an automatic pressure regulating valve 8 and a fire hydrant valve 9 is housed in the lower side of the housing width direction other side of the fire hose 4 in the body, and the secondary side of the fire hydrant valve 9 is the fire hose. 4 is connected.

  The front panel 3 is provided with an opening 3a having a rectangular opening shape facing the fire hose 4 and the piping system 7 and the like, and an opening 3b having a rectangular opening shape facing the fire extinguisher 6. Yes. The maintenance door 11 as a door body has a hinge (not shown) with the main body width direction as the rotation axis direction at the upper edge of the opening 3a, leaving the upper side of the opening 3a on the other side in the width direction. It is attached so that it can be opened and closed. A fire detector cover 12 is disposed on the other side in the width direction of the maintenance door 11. And the fire hydrant door 10 as a door body is a lower part of the maintenance door 11 of the opening 3a and the lower part of the fire detector cover 12 by a hinge (not shown) whose rotation axis is the main body width direction at the lower end edge of the opening 3a. A fire hydrant valve opening / closing lever 13 is attached to the back surface of the hydrant door 10 so as to be opened and closed. The fire hydrant door 10, the maintenance door 11, and the fire detector cover 12 are substantially flush with the front panel 3, and close the opening 3a.

  The electric device mounting plate 14 is fastened and fixed to the front panel 3 at the four corners, and is disposed so as to extend in the vertical direction on the opening 3a side (the other side in the body width direction) of the opening 3b. The electric device mounting plate 14 is provided with a red indicator lamp 15, an emergency transmitter 16, and the like, and includes electric devices such as a telephone jack and an emergency outlet. The red indicator lamp 15 clearly indicates the installation position of the fire hydrant device 1, protrudes above the electric device mounting plate 14, and protrudes from the front surface of the front panel 3. When the emergency transmitter 16 performs a push button operation in the event of a fire accident, a fire is reported to a monitoring center (not shown). When a fire notification is received from the emergency transmitter 16 at the monitoring center, a blinking signal is transmitted, and the red indicator lamp 15 that is always on is blinking.

  The fire extinguisher door 17 as a door body is attached to one side edge of the opening 3b in the body width direction so as to be openable and closable by a hinge (not shown) whose vertical direction is the rotation axis direction. In addition, the electric equipment mounting plate 14 and the fire extinguisher door 17 are substantially flush with the front panel 3, and close the opening 3b.

  As shown in FIG. 4, the fire detector 20 is formed into a detector main body 21 with mounting portions 24 projecting on both sides in the width direction, and a convex shape such as a rugby ball shape or a hemispherical shape. A light receiving glass 22 as an optical window projecting from the front surface of the detector, and a globe 23 projecting from both upper sides of the light receiving glass 22 on the front surface of the detector body 21. The fire detector 20 is disposed in the main body by projecting the light receiving glass 22 and the globe 23 from the holes 29a and 29b formed in the fire detector cover 12 to the front side. For this fire detector 20, for example, a well-known detector as described in Japanese Patent Application Laid-Open No. 2003-296849 is used, so that the detailed description of the configuration is omitted, but the wavelength emitted from the flame of the fire A fire detection unit comprising a detection element and a detection circuit for detecting the light is disposed inside the light receiving glass 22, and a light emitting unit for light reception glass contamination confirmation test is disposed inside the globe 23 to control the entire fire detector 20. A microcomputer, a ROM, a RAM, an output circuit, an input circuit, a constant voltage unit, and the like are housed in the detector main body 21.

  Next, the mounting structure of the fire detector 20 will be described with reference to FIGS. FIG. 5 is a front view showing a fire detector cover in the fire hydrant apparatus according to Embodiment 1 of the present invention, FIG. 6 is a front view showing a mounting frame for the fire detector in the fire hydrant apparatus according to Embodiment 1 of the present invention, FIG. 7 is a left side view showing the fire detector mounting base in the fire hydrant apparatus according to Embodiment 1 of the present invention, and FIG. 8 shows the fire detector mounting base in the fire hydrant apparatus according to Embodiment 1 of the present invention. FIG. 9 is a top view showing the mounting base of the fire detector in the fire hydrant apparatus according to Embodiment 1 of the present invention, and FIG. 10 is the attachment of the fire detector in the fire hydrant apparatus according to Embodiment 1 of the present invention. FIG. 11 is a bottom view showing the gantry, and FIG. 11 is a diagram for explaining a method of attaching the fire detector to the gantry in the fire hydrant apparatus according to Embodiment 1 of the present invention. For convenience of explanation, in FIG. 6, the vertical direction and the horizontal direction in the figure are the vertical direction and the width direction. In FIG. 7, the vertical direction and the horizontal direction in the figure are the vertical direction and the front-rear direction, and the right direction and the left direction in the figure are the front and rear.

  The fire detector cover 12 has a substantially box shape with the back side opened, and as shown in FIG. 5, the steel plate is made into a rectangular flat plate shape, and each side is folded back to the back side to increase rigidity. . In the fire detector cover 12, a hole 29a through which the light receiving glass 22 is passed is formed at the center, holes 29b through which the globe 23 is passed are formed at two locations on one side of the hole 29a, and mounting holes 29c are formed at the four corners. ing.

  As shown in FIG. 6 to FIG. 10, the mounting base 30 is made by processing a steel material, each is made to have an L-shaped cross section, and an L-shaped piece (one surface) faces forward, and L A pair of vertical beams 31 arranged in parallel and spaced apart in the width direction, with the other piece (the other surface) of the letter shape facing outward, and each L-shaped piece are made downward. And a pair of transverse beams 32 that are arranged in parallel and spaced apart in the width direction, with the other L-shaped piece facing outward, and extending rearward from the respective lower ends of the pair of longitudinal beams 31; A connecting beam that is manufactured in a letter shape and is arranged in the width direction with one L-shaped piece facing forward and the other L-shaped piece facing downward, and connecting between the connecting portions of the vertical beam 31 and the horizontal beam 32 33.

  The L-shaped pieces facing the front of each of the pair of vertical beams 31 and the connecting beams 33 are flush with each other to form a U-shaped device placement surface. And the attachment bolt 34 is attached to the center part of the L-shaped piece which faces each front of a pair of vertical beam 31 so that the said piece may be penetrated from the back, and may protrude ahead. At the upper end side and the lower end of the L-shaped piece facing the front of each of the pair of vertical beams 31 so that the mounting bracket 35 protrudes from the outer peripheral side of the fire detector 20 to the front side, forward It is attached to protrude. The mounting bracket 35 includes a base portion 35a extending forward from the longitudinal beam 31, a horizontal portion 35b extending outward in the width direction at a right angle from the tip of the base portion 35a, and a positioning portion 35c extending forward at a right angle from the tip of the horizontal portion 35b. Composed. The horizontal part 35b and the positioning part 35c are substantially L-shaped step parts. A nut 35 d for fastening and fixing the fire detector cover 12 is fixed to the back side of the horizontal portion 35 b of the mounting bracket 35. A positioning portion 35c (substantially L-shaped step portion) formed at the tip of the mounting bracket 35 engages with the corners of the folded pieces on the four sides of the fire detector cover 12 to position the fire detector cover 12. .

  The attachment pieces 36 are formed so as to face each other by bending the upper ends of the other L-shaped pieces of the pair of vertical beams 31 inwardly at a right angle. The attachment piece 37 is formed so that the rear ends of the L-shaped pieces of the pair of cross beams 32 are bent inward at a right angle and face upward. A locking hole 38 as a locked portion is formed so as to penetrate the lower end of the L-shaped other piece of the left vertical beam 31 in FIG. 6, and a receiving plate 39 as a receiving member is formed on the left vertical beam. The beam 31 is attached at a position spaced a predetermined distance rearward from the locking hole 38 of the L-shaped other piece of the beam 31 so as to protrude outward in the width direction from the other piece at a right angle.

  The mounting base 30 is fixed to the top plate of the casing 2 formed in a rectangular box shape having an open front surface by screwing or welding or fixing the mounting pieces 36 formed at the upper ends of the pair of vertical beams 31. An attachment piece 37 formed at the rear end of the pair of cross beams 32 is fixed to the rear plate of the housing 2 by screwing or welding, and the device mounting surface is directed forward so that the width on the upper side of the main body Installed in the other direction. Then, as shown in FIG. 11, the fire detector 20 is mounted on the device mounting surface of the mounting base 30 through the mounting bolt 34 in the through hole of the mounting portion 24, and the nut 40 is mounted on the extension portion of the mounting bolt 34. It is attached by tightening. Further, the fire detector cover 12 is directed from the front to the mounting bracket 35 through the light receiving glass 22 and the globe 23 in the holes 29a and 29b. At this time, the corners of the folded pieces on the four sides of the fire detector cover 12 are fitted inside the positioning portions 35c of the four mounting brackets 35, and the fire detector cover 12 is positioned. Therefore, the mounting bolt 41 is passed through the mounting hole 29c and fastened to the nut 35d of the mounting bracket 35, and the fire detector cover 12 is mounted.

  Although not shown in the drawing, a locking pin as a locking portion is installed to be movable in the width direction at both ends in the width direction at the lower end of the rear surface of the maintenance door 11, and a locking hole is formed in the electric device mounting plate 14. Has been. Then, when the maintenance door 11 is closed, the rear surface of the maintenance door 11 hits the receiving plate 39, preventing further rotation, and positioning the maintenance door 11 at the closed position. At the same time, the locking pin and the locking hole 38 are aligned. Therefore, the maintenance pin can be extended from the maintenance door 11 and inserted into the engagement hole 38 so that the maintenance door 11 can be held in the closed state. As described above, the rounding mechanism using the locking pins and the locking holes is provided between the maintenance door 11 and the mounting base 30 and similarly between the maintenance door 11 and the electric device mounting plate 14.

  The fire hydrant device 1 configured in this way is not shown in the figure, but in a box opening recessed in the wall surface of a concrete frame that can be operated from a supervisor passage constructed on one shoulder of a highway tunnel. It arrange | positions and is installed every predetermined space | interval (for example, 50m). At this time, the fire hydrant apparatus 1 is installed such that the red indicator lamp 15 and the light receiving glass 22 of the fire detector 20 protrude from the wall surface of the concrete frame. Then, although not shown, a branch pipe branched from a water distribution main pipe laid in a duct constructed in the lower part of the supervisor passage is connected to the piping system 7.

  In this fire hydrant device 1, the red indicator lamp 15 is provided so as to protrude above the electric device mounting plate 14 and protrude from the wall surface of the concrete frame, and is always lit. When a fire occurs in the tunnel, the light emitted from the flame of the fire enters from the light receiving glass 22, and the circuit unit in the detector body 21 determines the occurrence of the fire based on the incident light from the light receiving glass 22. When it is determined that a fire has occurred, a fire detection signal is output from the fire detector 20 to the monitoring center. Then, when a fire occurrence is confirmed in the tunnel at the monitoring center, a blinking signal is transmitted, and the red indicator lamp 15 that has been constantly lit blinks to notify the occurrence of the fire.

  Then, the operator rushes to the place where the hydrant apparatus 1 is installed, opens the hydrant door 10, takes out the fire-extinguishing nozzle 4 a, and pulls the hydrant valve opening / closing lever 13 forward. As a result, the fire hydrant valve 9 is opened, and the water discharge from the fire-extinguishing nozzle 4a is started. Therefore, the handler pulls out the fire hose 4 toward the fire site while holding the fire extinguishing nozzle 4a, and extinguishes the fire.

  According to this invention, since the fire detector 20 is installed in the main body using the empty space on the upper side of the piping system 7 in the main body of the fire hydrant apparatus 1, the fire detector 20 is attached to the concrete frame. Troublesome work is unnecessary, and the installation cost of emergency equipment in the tunnel can be reduced.

  The fire detector 20 and the fire detector cover 12 are attached to the mounting base 30 attached to the housing 2. Therefore, since the fire detector 20 and the fire detector cover 12 can be sequentially attached to the mounting base 30 from the front, the workability of attaching the fire detector 20 and the fire detector cover 12 is improved.

  A piping system 7 for supplying fire-extinguishing water to the fire-extinguishing hose 4 is disposed on the other side in the body width direction of the hose housing portion in the body and on the lower side, and a mounting base 30 is disposed on the upper side of the piping system 7. Therefore, the mounting base 30 is arranged in an empty space in the main body, and the fire hydrant device 1 can be miniaturized.

  Since the locking hole 38 constituting the rounding mechanism for holding the maintenance door 11 in the closed state is formed in the mounting base 30, it is not necessary to newly provide a member for forming the locking hole 38, and the number of parts is reduced. it can. Further, since a receiving plate 39 for abutting the rear surface of the maintenance door 11 to determine the closed position of the maintenance door 11 and aligning the locking pin and the locking hole 38 is disposed on the mounting base 30, the maintenance door 11 lock operation becomes simple.

  A mounting bracket 35 projects from the mounting base 30 through the outer peripheral side of the fire detector 20 to the front side, and the fire detector cover 12 is attached to the mounting bracket 35 from the front side. Therefore, the mounting standard of the fire detector 20 and the fire detector cover 12 is the mounting base 30, and the mounting of the fire detector 20 and the fire detector cover 12 becomes easy. Furthermore, since the positioning bracket 35c for positioning the mounting position of the fire detector cover 12 is provided on the mounting bracket 35, the mounting of the fire detector cover 12 is further facilitated.

  Further, since the light receiving glass 22 is disposed on the opposite side of the red indicator lamp 15 with the housing portion of the fire hose 4 interposed therebetween, the distance between the red indicator lamp 15 and the fire detector 20 is increased. Therefore, reduction of the monitoring area by the fire detector 20 due to the red indicator lamp 15 is suppressed.

In the first embodiment, the rounding mechanism is used as the locking structure of the maintenance door. However, the locking structure of the maintenance door is not limited to the rounding mechanism, and the locking portion provided on the maintenance door is provided. Any mechanism that can be locked to the locked portion disposed on the mounting base may be used.
The arrangement of the component devices may be a symmetrical position.

  DESCRIPTION OF SYMBOLS 1 Fire hydrant apparatus, 2 housing | casing, 3 Front panel, 3a, 3b opening part, 4 Fire hose, 4a Fire extinguishing nozzle, 7 Piping system, 10 Fire hydrant door (door body), 11 Maintenance door (door body), 12 Fire Detector cover, 15 Red indicator lamp, 17 Fire extinguisher door (door body), 20 Fire detector, 22 Light receiving glass (optical window), 30 Mounting base, 35 Mounting bracket, 35c Positioning part, 38 Locking hole (engaged) Stopping part) 39 receiving plate (receiving member).

Claims (5)

A box-shaped housing that opens to the front; a front panel that is attached to the front of the housing; and a door that is attached to the front panel so that the opening formed in the front panel can be opened and closed. In the fire hydrant device in which the hose storage portion for storing the hose for use is provided in the housing,
The mounting base is fixed to the casing on the side in the width direction of the hose storage portion with the device placement surface facing forward,
A fire detector projects the optical window from the housing to the front side, and is mounted on the device mounting surface and attached to the mounting base.
A fire hydrant apparatus, wherein a fire detector cover is attached to the mounting base with the optical window protruding from the front side of the fire detector. The mounting base is fixed to the top plate and the back plate of the casing, and is installed on the upper side in the casing and on the end side in the width direction,
The fire hydrant apparatus according to claim 1, wherein a piping system for supplying fire-extinguishing water to the fire-extinguishing hose is provided at a lower portion of the mounting base in the casing. The door body is adjacent to the fire detector cover and is rotatably attached to the upper edge of the opening around an axis whose axial direction is the width direction. It has a maintenance door that opens and closes,
When the maintenance door is closed, a receiving member that contacts the rear surface of the maintenance door and determines the closed position of the maintenance door is provided on the mounting base.
The fire hydrant according to claim 1 or 2, wherein a locking portion that engages with a locking portion provided on the maintenance door and holds the maintenance door in a closed position is provided on the mounting base. apparatus. A mounting bracket that extends from the mounting base to the front side through the outer peripheral side of the fire detector, and to which the fire detector cover is attached,
The fire hydrant device according to any one of claims 1 to 3, further comprising a positioning portion that positions an attachment position of the fire detector cover.   The red indicator lamp is arrange | positioned on the front side of the said housing | casing on both sides of the said hose accommodating part with respect to the said fire detector, The any one of Claim 1 thru | or 4 characterized by the above-mentioned. Fire hydrant device.

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