JP2018089210A - Tunnel emergency equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily and safely attach/detach an inspection door.SOLUTION: A hydrant storage box is burriedly disposed at a watchman's passage in a tunnel. The hydrant storage box includes an inspection door 36 detachably fixed to an opening part 34 opened to a front face of a housing 32. The inspection door 36 includes a support member 70 at an inside lower part thereof, where the support member 70 is a plate member that is overhung in the depth direction and then extended downward, and a pipe-like stationary member 74 is disposed at a tip end of the plate member via an inset member 72. When the inspection door 36 is detached by loosening a bolt thereof, the support member 70 is disposed inside the opening part 34 so as to prevent the detached inspection door 36 from dropping from the opening part 34. When the inspection door 36 is disposed at the opening 34 to be closed, the inspection door is easily positioned at the closed position by inserting the support member 70 into the opening part 34.SELECTED DRAWING: Figure 5

Description

  The present invention relates to a tunnel emergency facility in which an equipment storage box containing equipment such as a fire hydrant and an automatic valve is installed in a tunnel.

  Conventionally, emergency facilities have been installed in tunnels such as expressways and motorway roads in order to protect people and vehicles from fire accidents that occur in the tunnels.

  Such emergency facilities include fire detectors, manual notification devices, emergency telephones for fire monitoring and reporting, fire hydrant devices for fire extinguishing and prevention of fire spread, and tunnel housings. In order to protect against fire, a water spray facility that sprays fire-fighting water from the water spray head is installed, and emergency equipment equipment is connected to the transmission line from the disaster prevention receiver at the monitoring center for monitoring and control. ing.

  For example, a fire hydrant device is installed at intervals of 50 meters along a side wall facing a supervisor passage provided in a tunnel, and a hose and valves equipped with a nozzle at the tip are attached to a housing with an open fire hydrant door. Stored.

  In addition, in water spray equipment, an automatic valve device is installed on the side wall that is integral with or near the fire hydrant device, and water supply pipes that are set up from the automatic valve device are connected to a plurality of water spray heads arranged at the top of the tunnel. ing.

JP 2014-83344 A JP 2009-285126 A

  By the way, in the automatic valve device provided in the conventional water spray equipment, the inspection door can be freely attached to and detached from the opening of the housing in order to check the automatic valve stored in the housing at the time of periodic inspection. Provided. The inspection door of the automatic valve is a steel plate with a thickness of a few millimeters, for example.The inspection door is suspended from the upper part of the housing opening, and the lower side of the inspection door is positioned by a rubber stopper. It is kept closed.

  On the other hand, the fire hydrant device is provided with a fire hydrant door that opens downward on the lower side of the casing opening and a maintenance door that opens upward on the upper side of the casing opening. The maintenance door can be opened to check the equipment in the housing, and an inspection door that keeps the closed state by weight unlike an automatic valve device is not necessary.

  However, in such a conventional fire hydrant device installed in a tunnel, since it was installed along the tunnel side wall facing the supervisor passage, the user can monitor from the road surface when a fire occurs due to a vehicle accident. It is necessary to reach out to the fire hydrant device installed on the side wall of the tunnel beyond the passage, open the fire hydrant door, pull out the hose to perform fire extinguishing work, and the fire hydrant device is installed at a high position away from the road surface Some people may have to go up and operate the guard passage without reaching their hands, and some guard passages are equipped with handrails that interfere with fire fighting operations and are difficult to handle. There was a case.

  In order to solve this problem, the present applicant has proposed a lift-type fire hydrant facility that can be easily and easily handled from the road side and the supervisor passage side. The elevating type fire hydrant equipment has a hose housing part in which a hose with a nozzle is housed so that it can be moved up and down by an elevating mechanism in the surveillance passage. When a vehicle accident involving a fire occurs in the tunnel, a predetermined switch When the operation is performed, the hose storage part is lifted and held at the exposed position on the supervisor passage by the operation of the lifting mechanism, and the hose storage part exposed on the supervisor passage is not required to open the fire hydrant door. The fire can be extinguished simply and easily by pulling out the hose with a nozzle.

  By the way, in the raising and lowering type fire hydrant equipment, a fire hydrant storage box storing the hose storage part is installed on the side of the supervisor passage, and in order to check the lifting mechanism and the hose storage part stored in the fire hydrant storage box It is conceivable that an opening for inspection is formed on the front surface of the storage box, and an inspection door is provided at the opening so as to keep the closed state by weight, for example, as in the conventional automatic valve device.

  However, in such a conventional inspection door, in order to keep the closed state by weight, the door weight becomes heavy, for example, 50 kilograms, and the work of removing the inspection door at the time of inspection and the work of attaching after the inspection are difficult. There was a risk of accidents if not careful enough.

  An object of the present invention is to provide a tunnel emergency facility that can easily and safely attach and detach an inspection door provided in an embedded equipment storage box.

(Tunnel emergency equipment)
The present invention provides a tunnel emergency facility in which a device storage box in which facility devices are stored is embedded in the wall surface on the shoulder side of the tunnel.
Equipment storage box
A housing having an opening formed on the front surface;
An inspection door that is detachably fixed to the opening;
A support member provided at an inner lower portion of the inspection door and extending downward after extending in the depth direction;
Is provided.

(Bearing member and bearing receiving member)
The support member is a plate member whose upper end is fixed to the back surface of the inspection door, and subsequently bent in a diagonally downward depth direction and then bent downward, and the plate member is formed on the lower side of the back surface of the inspection door. A stationary member that is placed on the ground and interferes with the tip of the plate member provided at the plurality of locations.
(Fire hydrant device)
The equipment storage box is a fire hydrant device in which equipment for a fire hydrant is stored.

(Automatic valve device)
The equipment storage box is an automatic valve device in which an automatic valve for water spray equipment is stored.

(Basic effect)
The present invention is a tunnel emergency facility in which a device storage box in which equipment is stored is embedded in a wall surface on the shoulder side of the tunnel road, and the device storage box includes a housing having an opening formed on the front surface, When removing the inspection door because the inspection door that is detachably fixed to the opening and the support member that is provided at the inner lower part of the inspection door and extends downward after extending in the depth direction are provided. First, the screws that secure the inspection door will be removed. Even if the screws are removed, the inspection door is provided with a support member on the back side of the inspection door. The inspection door can be easily and safely removed by lifting it outward with a handle or the like provided on the inspection door without falling off from the opening of the body.

  In addition, when the inspection door is attached to the housing opening after inspection, the support member provided at the lower inner side of the inspection door is inserted so as to be inserted inward from the housing opening. The inspection door is positioned at a position where it can be closed without supporting it, and in this state, the inspection door is closed to the opening of the housing and finally fixed to the closed state with screws, and the inspection door is attached and closed. Can be easily and safely performed.

(Effects of support member and support member)
Further, the support member is a plate member whose upper end is fixed to the back surface of the inspection door, and then bent obliquely downward and extended and then bent downward. The plate member is below the back surface of the inspection door. When there are pipe-shaped stationary members that are placed on the ground at the tip of the plate members that are installed on the ground and interfere with them, the inspection door is removed from the opening and it stands on the nearby ground The stationary member arranged at the tip of the obstacle member hits the ground, and the lower end of the support member is prevented from hitting the ground and being damaged.

Explanatory drawing showing emergency equipment for tunnels including fire hydrant equipment installed in a shield tunnel Explanatory drawing showing fire hydrant storage box for storing hose from front, plane and side Explanatory drawing which showed the internal structure of the fire hydrant equipment of FIG. Explanatory drawing which showed the state which raised the hose accommodating part by the raising / lowering mechanism, and was exposed on the supervisor path | route seen from the road surface side Explanatory drawing showing the inspection door mounting structure for the opening of the housing as seen from the cross section and inside the door Sectional view showing the inspection door removed Sectional view showing installation of inspection door

[Outline of tunnel emergency equipment]
FIG. 1 is an explanatory view showing a tunnel emergency facility including a fire hydrant facility installed in a tunnel of an automobile exclusive road. As shown in FIG. 1, the inside of the tunnel 10 constructed by the shield method is covered with a cylindrical tunnel wall surface 12, and a road 15 is provided by being partitioned by a floor slab 18. In this example, The road 15 has two lanes in one direction.

  A supervisor passage 14 is provided along the tunnel wall 12 on the left side of the road 15 partitioned by the floor slab 18, and the inner space below the supervisor passage 14 is used as a duct 22, and a conduit is laid. .

  The lower side of the floor slab 18 on which the road 15 is formed is divided into a plurality of sections in the tunnel lateral direction. For example, the section located under the supervisor passage 14 is used as a management passage 20, and The management passage 20 is used as an emergency evacuation passage when a fire occurs in the tunnel. A water supply main 24 is laid in the management passage 20.

  A fire hydrant facility 16 is installed at intervals of 50 meters in the longitudinal direction of the tunnel 10, and the fire hydrant facility 16 is separately installed in a fire hydrant storage box 30 in which a hose is stored and a control mechanism storage unit 45.

  The fire hydrant storage box 30 is disposed in a fire hydrant embedding portion that is penetrated in a box shape over the road surface of the supervisor passage 14 and the wall surface on the road 15 side. The control mechanism storage unit 45 is disposed in the management passage 20 on the lower side of the fire hydrant storage box 30, a branch pipe branched from the water supply main pipe 24 is drawn in, and the water supply for supplying the fire hydrant storage box 30 with fire water Piping is set up.

  The fire hydrant storage box 30 of the fire hydrant equipment 16 is provided with a hose storage part in which a hose with a nozzle is stored and its lifting mechanism, and when a predetermined ascending operation is performed, the lifting mechanism moves the exposed position on the supervisor passage 14. The hose storage part is raised to an exposed state, enabling fire extinguishing work by pulling out the hose with nozzle.

  An inspection door is detachably attached to the front surface of the fire hydrant storage box 30 facing the road 15.

[Fire hydrant equipment]
2 is an explanatory view showing the fire hydrant storage box for storing the hose from the front, the plane and the side, FIG. 3 is an explanatory view showing the internal structure of the fire hydrant equipment of FIG. 2 as seen from the road side, and FIG. It is explanatory drawing shown in the cross section which looked at the state which raised the hose accommodating part by the mechanism and was exposed on the supervisor channel | path from the road surface side.

(External structure of fire hydrant storage box)
As shown in FIG. 2, the fire hydrant storage box 30 of the fire hydrant facility 16 is embedded in an internal space below the floor surface of the supervisor passage 14. In the fire hydrant storage box 30, a hose storage portion 44 that is lifted and lowered by driving a hydraulic cylinder 60 of a lift mechanism 46 using a pantograph mechanism is disposed.

  The fire hydrant storage box 30 has an opening 34 formed in the front surface of a housing 32, and an inspection door 36 is fixed to the opening 34 by a plurality of bolts 80, and can be detached by removing the bolts 80. Is provided.

  Further, support members 70 are provided at a plurality of positions below the back surface of the inspection door 36, and the lower end of the support member 70 is fitted into a support receiving member 72 fixed to the lower side of the inspection door 36. Support has been made. In addition, the attachment structure of the inspection door 36 by the support member 70 and the support receiving member 72 is demonstrated in detail by later description.

  On the front surface of the inspection door 36, a nameplate indicating "fire hydrant" is divided into three letters, and in the upper two places, there are handles 38 that are used when removing or attaching the inspection door 36. Is provided.

  A fire hydrant elevator 42 is formed in the upper portion of the fire hydrant storage box 30 shown in FIG. 2C, which is the road surface, and the hose storage part ascends and lowers from the fire hydrant elevator 42. Since it is freely arranged, the road surface plate 50 of the hose storage portion is positioned to close the fire hydrant elevator 42.

  In addition, although the notification apparatus panel is provided corresponding to the fire hydrant storage box 30, and a red display lamp, a transmitter, and a response lamp are provided in the notification apparatus panel, illustration is abbreviate | omitted. In addition, the notification device panel is provided with an ascending switch and a descending switch for raising and lowering the hose accommodating part provided in the fire hydrant accommodating box 30, but the illustration is omitted.

(Structure of fire hydrant equipment installed in the interior space)
As shown in FIGS. 3 and 4, a rectangular fire hydrant elevating port 42 is opened at a position corresponding to the road surface of the supervisor passage 14 of the fire hydrant storage box 30 installed in the supervisor passage 14. A hose storage portion 44 is disposed so as to be movable up and down from the lower side of the fire hydrant elevating port 42. The hose storage portion 44 includes a box-shaped housing 48 that opens to the front and the back, and four frame pipes 52 are disposed at the front and back openings of the housing 48 and a hose outlet 55 is formed therebetween. ing.

  Inside the hose storage portion 44, a hose 54 with a nozzle 56 attached to the tip is housed in an internally wound state, and the nozzle 56 attached to the tip of the hose 54 is disposed at the center of the internally wound hose 54, and a housing 48 is provided. The nozzle 56 can be taken out from either the front surface or the back surface.

  Further, in the hose storage part 44, the water discharge control mechanism provided in the control mechanism storage part 45 disposed in the management passage 20 is operated to close the water discharge switch 38a and the motor operated valve. A water discharge stop switch 38b is provided.

The hose storage portion 44 is supported by an elevating mechanism 46 so as to be movable up and down. In the present embodiment, a pantograph mechanism is used as the elevating mechanism 46.
The elevating mechanism 46 using the pantograph mechanism is composed of two link arms 46a and 46b. The left end of the link arm 46a is rotatably supported on the base 41 by a fulcrum 47a, and the link arm 46b is rotatably supported on the mounting base 43 by the fulcrum 47b. The link arm 46a intersects the link arms 46a and 46b at the center. Thus, the fulcrum 47c is pivotally connected.

  The right end of the link arm 46a is movably supported along the mounting base 43 by a roller 49a, and the right end of the link arm 46b is movably supported by the base 41 by a roller 49b.

  A piston cylinder mechanism is provided as a drive mechanism of the elevating mechanism 46, and a lower end of the hydraulic cylinder 60 is rotatably connected to the link arm 46b by a fulcrum 51a, and a piston 61 provided slidably in the hydraulic cylinder 60 is provided. The tip end of the piston rod 63 connected to the link arm 46a is rotatably connected to the link arm 46a by a fulcrum 51b.

  A control mechanism storage section 45 is disposed in the management passage 20 below the internal space in which the elevating mechanism 46 is disposed. The control mechanism storage section 45 is supplied with fire-extinguishing water to the hose 54 of the hose storage section 44. A water discharge control mechanism including valves for discharging water and a lift control mechanism including valves for moving the lift mechanism 46 up and down are provided.

  A branch pipe 24a branched from a water supply main 24 that functions as a water pressure source is connected to the control mechanism housing 45, and fire-extinguishing water supplied to the water supply main 24 from a fire pump system is introduced.

  A water supply pipe 58 from the water discharge control mechanism built in the control mechanism storage unit 45 is connected to a flexible joint 65 serving as a hose connection port of the hose storage unit 44 via a connection hose 62. The connecting hose 62 has a hose length having a margin necessary for connection when the hose storage portion 44 is pushed up from the fire hydrant elevator opening 42 of the monitoring person passage 14 by the lifting mechanism 46 and held at the exposed position. Thereby, even if the hose accommodating portion 44 is moved up and down with respect to the pipe on the fixed side, the hose accommodating portion 44 can move without the connecting hose 62 coming out. Further, the movement of the connecting hose 62 caused by the raising / lowering operation is absorbed by the movement of the flexible joint 65.

  Further, a piping 59 for supplying and discharging fire extinguishing water is connected to a hydraulic cylinder 60 of the lifting mechanism 46 from the lifting control mechanism built in the control mechanism housing 45.

  Here, the number of hydraulic cylinders 60 provided in the elevating mechanism 46 can be set to an appropriate number as necessary. For example, four hydraulic cylinders may be arranged in the corner portion of the bottom of the hose storage portion 44. .

  In addition, the hose storage 44 and the control mechanism storage 45 are connected to each other with the connection hose 62 inside the supervisor passage and the water supply pipe 58 on the management passage 20 side. May be directly connected by a connecting hose. Also in this case, the connection of the connection hose with respect to the hose storage part 44 side and the control mechanism storage part 45 is connected by a flexible joint.

  The lifting mechanism 46 is hydraulically driven, but is not limited to this, and may be hydraulically driven.

[Operation of fire hydrant equipment]
(Normal monitoring)
During normal monitoring when the vehicle is passing through the road of the tunnel 10 shown in FIG. 1, the hose storage portion 44 of the fire hydrant facility 16 is provided with a water discharge control provided in the control mechanism storage portion 45 as shown in FIG. 3. Since the supply of fire-extinguishing water from the mechanism is stopped, the hydraulic cylinder 60 of the elevating mechanism 46 positions the piston 61 at the lowest point, so that the elevating mechanism 46 embeds the hose storage portion 44 in the supervisor passage 14. Even if the fire hydrant elevator opening 42 is closed by the road surface plate 50 on the upper surface of the housing 48 and the fire hydrant equipment 16 is installed in the supervisor passage 14, There will be no hindrance or danger to persons passing through the guard passage 14.

(When a fire breaks out)
On the other hand, when a vehicle accident involving a fire occurs in the tunnel 10, the user goes to the fire hydrant facility 16 near the fire occurrence place and presses the transmitter on the reporting device panel to send a fire notification signal to the disaster prevention reception board of the monitoring center. Is received, the confirmation response signal is received from the disaster prevention reception board, the response lamp is turned on and the red indicator lamp flashes to confirm the completion of the report to the monitoring center side.

  Subsequently, in order to perform a fire extinguishing operation, the raising switch 36a provided on the reporting device panel 28 is pressed and turned on. When the raising switch 36 is turned on, fire extinguishing water is sent from the control mechanism housing 45 to the hydraulic cylinder 60 of the elevating mechanism 46, and the piston 61 is raised by the fire extinguishing water supplied into the cylinder, and is linked via the piston rod 63. The distance between the arm 46a and the link arm 46b is increased.

  When the distance between the link arms 46a and 46b is increased, the angle of the link arms 46a and 46b increases around the fulcrum 47c, and the rollers 49a and 4b at the right ends of the link arms 46a and 46b move to the left side. The base 43 is pushed upward, and the hose storage portion 44 attached to the attachment base 43 is pushed up.

  For this reason, the road surface plate 50 closing the fire hydrant raising / lowering opening 42 of the fire hydrant storage box 30 is lifted, and the hose storage portion 44 stored inside slowly emerges from the road surface and rises to the exposed position shown in FIG. 4 and stops. , Hold this exposed position.

  When the hose storage portion 44 is held in an exposed state on the supervisor passage 14 in this way, the user takes out the nozzle 56 from the road side through the front opening of the housing 48, so that the hose can be easily and easily obtained. 54 can be pulled out.

  Subsequently, when the user presses and turns on the water discharge switch 38a provided in the exposed hose storage section 44, a water discharge start signal is output to the water discharge control mechanism of the control mechanism storage section 45, and the water for fire extinguishing is connected to the water supply pipe 58. It is supplied to the hose 54 via the hose 62 and fire extinguishing work can be performed by water discharge from the nozzle 56.

  On the other hand, when a user performs a fire extinguishing work from the side of the supervisor passage 14, the nozzle 56 can be easily and easily removed by removing the nozzle 56 from the rear opening of the casing 48 in the hose storage portion 44 exposed and held on the supervisor passage 14. The hose 54 can be easily pulled out and fire extinguishing work can be performed.

  When the fire is extinguished and the fire extinguishing operation is finished, when the water discharge stop switch 38b provided in the hose storage section 44 is pressed and turned on, a water discharge stop signal is output to the water discharge control mechanism of the control mechanism storage section 45, and the nozzle 56 Water discharge from is stopped.

  Further, in the restoration work after the fire extinguishing work is finished, the hose 56 is drained, and then the hose 54 is housed in an internally wound state in the hose housing part 44 exposed and held on the supervisor passage 14. . Subsequently, by turning on the lowering switch provided in the reporting device panel, the hose storage portion 44 is lowered by the elevating mechanism 46, and the road surface plate 50 is lowered to a position where the fire hydrant elevating port 42 is closed and stopped. The hose storage portion 44 is stored in the fire hydrant storage box 30.

[Inspection door mounting structure]
FIG. 5 is a cross-sectional view showing the mounting structure of the inspection door with respect to the opening of the housing as seen from the inside of the door, FIG. 6 is a cross-sectional view showing the removal state of the inspection door, and FIG. It is sectional drawing shown.

(Mounting structure)
As shown in FIG. 5, the housing 32 of the fire hydrant storage box is formed in a box shape by frame members 75 and 76, and a decorative frame 78 is fixed to the outside of the frame member 75 positioned on the front surface, and the frame member 75. A rectangular opening 34 surrounded by a decorative frame 78 is formed.

  An inspection door 36 is attached to the opening 34 of the housing 32 from the outside, and is fastened and fixed by bolts 80 and nuts 82 having a plate-shaped head at a plurality of surrounding locations. The nut 82 is fixed to the back side of the frame member 75 by welding or the like.

  The inspection door 36 is composed of a steel plate having a thickness of about 1 mm and a frame member fixed to the back side thereof, and is sufficiently lightened.

  A support member 70 is provided on the lower back surface of the inspection door 36. The support member 70 is a plate member formed by bending a metal plate, and a fixing portion 70a on the upper end side is fixed to the back surface of the inspection door 36 by welding or the like, and then bent in an obliquely downward depth direction to project. An extended portion 70b is formed, and a support portion 70c that is bent downward is formed.

  Moreover, the support member 70 is provided in several places, for example, four places of the back surface of the inspection door 36, as shown with the dotted line of FIG. 2 (A). The support members 70 need to be provided at at least two places on both sides of the back surface of the inspection door 36 in order to easily and safely remove and attach the inspection door 32. In addition, when the door load applied to the support member 70 is desired to be distributed, the number of support members 70 provided on the back surface of the inspection door 36 may be increased.

  A pipe-like stationary member 74 is attached to the front end of the obstacle member 70 disposed at a plurality of locations by a fitting member 72, and when the maintenance door 36 is removed from the opening 34 and placed on a nearby ground, it is supported. It is possible to prevent the tip of 70 from hitting the ground and being damaged.

(Removing the inspection door)
When inspecting the hose storage 44 and the lifting mechanism 46 stored in the fire hydrant storage box 30, the bolt 80 fixing the inspection door 36 to the opening 34 of the housing 32 is loosened and removed.

  Thus, even if all the bolts 80 are removed, the support door 70 on the back surface of the inspection door 36 is located inside the housing 32. It will not drop out.

  Subsequently, by placing a hand in the handle 38 of the inspection door 36 shown in FIG. 2A and lifting the inspection door 36 obliquely upward, the support member 70 is extracted from the opening 34, and as shown in FIG. The inspection door 36 can be removed from the opening 34 of the housing 32, and the simple and safe removal operation of the inspection door 36 can be performed.

  The inspection door 36 removed from the opening 34 is stood against a nearby ground. In this case, a pipe-like stationary member 74 arranged at the tip of the obstacle member 70 is supported on the ground. The tip of the plate member in the support member 70 is reliably prevented from hitting the ground and being damaged.

(Installation of inspection door)
When the inspection inside the fire hydrant storage box 30 is completed, the user puts the hand into the handle 38 and lifts the inspection door 36, and as shown in FIG. 7, the front end of the support member 70 provided on the lower back side of the inspection door 36. The fitting support portion 70c is inserted into the opening portion 34 so as to enter the inside, whereby the inspection door 36 is positioned at a position opposite to the opening portion 34, and the operation of keeping the inspection door 36 in the closed position becomes unnecessary.

  Subsequently, the inspection door 36 is pressed against the position where the opening 34 is closed, and the bolt 80 is screwed and fixed in this state, whereby the inspection door 36 can be closed and fixed, and the inspection door 36 can be easily and safely attached. Make it possible.

[Modification of the present invention]
(Automatic valve device)
The above embodiment is an example of an inspection door provided in a fire hydrant storage box, but an automatic valve of a water spraying equipment that is disposed in the vicinity of a storage box of a fire hydrant facility or is integrally disposed. The same inspection door mounting structure will be used for the storage box. Further, the present invention is not limited to the fire hydrant storage box or the automatic valve storage box, and the inspection door provided in the equipment storage box of the appropriate equipment installed in the tunnel is the same as the inspection door of the above embodiment. The mounting structure.

(Fire hydrant equipment)
Moreover, although said embodiment has taken the fire hydrant installation which discharges the water for fire extinguishing as an example, it is good also as a foam hydrant installation which discharge | releases a foam fire extinguisher. In addition, the hose and the fire hydrant valve of the fire hydrant equipment shown in the above embodiment, the configuration and arrangement of the notification device, and other configurations are arbitrary, and an appropriate configuration may be adopted.

(Deferred member)
In the above embodiment, the pipe member is used as the stationary member, but the present invention is not limited to this. For example, by using a semi-cylindrical member having a flat bottom surface, the stability due to self-standing or standing when the inspection door is removed can be enhanced.

  In addition, as a stationary member, a member with no corners such as a pipe member or a semi-cylindrical member, or a member with an excessively small shape may damage the fire hydrant storage box when the inspection door is removed or fitted. Can be prevented.

  Further, the stationary member may be detachably provided on the inspection door. Thereby, the installation member provided in an inspection door can be added and reduced as needed. In this case, it is necessary as a minimum necessary structure to provide stationary members at two locations on the left and right sides below the inspection door.

(Other)
The present invention includes appropriate modifications that do not impair the object and advantages thereof, and is not limited by the numerical values shown in the above embodiments.

10: Tunnel 12: Tunnel wall 14: Monitor passage 15: Road 16: Fire hydrant equipment 18: Floor slab 20: Management passage 22: Duct 24: Water supply main 24a: Branch pipe 30: Fire hydrant storage box 32: Housing 34 : Opening part 36: Inspection door 38: Handle 38b: Water discharge stop switch 42: Fire hydrant elevator 44: Hose storage part 45: Control mechanism storage part 46: Elevating mechanism 48: Housing 50: Road plate 54: Hose 55: Hose removal Exit 56: Nozzle 60: Hydraulic cylinder 62: Connection hose 63: Flexible joint 70: Bearing member 70a: Fixing portion 70b: Overhang portion 70c: Insertion support portion 72: Insertion member 74: Stationary members 75, 76: Frame member 78 : Cosmetic frame 80: Bolt 82: Nut

Claims (4)

In a tunnel emergency facility where equipment storage boxes containing equipment are embedded in the wall on the shoulder side of the tunnel,
The equipment storage box is
A housing having an opening formed on the front surface;
An inspection door detachably fixed to the opening;
A support member provided at an inner lower portion of the inspection door and extending downward after extending in the depth direction;
A tunnel emergency facility characterized by the provision of
In the tunnel emergency facility according to claim 1,
The support member is a plate member whose upper end side is fixed to the back surface of the inspection door, and subsequently bent in an obliquely downward depth direction and then bent downward, and the plate member is bent downward. A tunnel emergency facility, provided at a plurality of locations on the lower side of the back surface, and a stationary member that is placed on the ground and hindered at the tip of the plate member provided at the plurality of locations.
2. The tunnel emergency facility according to claim 1, wherein the device storage box is a fire hydrant device in which a fire hydrant facility device is stored.
  2. The tunnel emergency facility according to claim 1, wherein the equipment storage box is an automatic valve device in which an automatic valve of a water spray facility is stored.

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