JP6851798B2 - Fire hydrant device - Google Patents

Description

The present invention relates to a fire hydrant device.

Conventionally, a fire hydrant device has been installed in a tunnel such as an expressway or a motorway. Inside the fire hydrant device, valves including a hose with a nozzle attached to the tip and a fire hydrant valve are freely housed by a fire hydrant door.

Generally, fire hydrant devices are arranged along the side walls of the tunnel, for example at intervals of 50 meters.
In a tunnel where a guard passage that is one step higher than the roadway is provided along the side wall of the tunnel, in the event of a vehicle accident involving a fire, the road user (operator) such as the driver of the accident vehicle will see the road surface of the roadway. Climb the observer passage by steps installed between the and the road surface of the observer passage, open the fire hydrant door of the fire hydrant device installed on the side wall of the tunnel forward, take out the hose with the nozzle, and extinguish the fire. I do.

However, since the fire hydrant device is installed at a high position away from the roadway, there is an inconvenience that it takes time and the like because it is necessary to climb up to the observer passage and operate it. In addition, when the fire hydrant device was not used, the fire hydrant device arranged along the side wall of the tunnel obstructed the passage of the observer passage.

Therefore, a recess (opening) is provided in the side wall of the observer passage formed between the road surface of the observer passage and the road surface of the roadway, a fire hydrant device is attached to the recess, and a hose can be pulled out from the fire hydrant device to the road side. (See Patent Document 1 below). With this fire hydrant device, the operator can stand on the roadway and pull out the hose to the road side to extinguish the fire.

Japanese Unexamined Patent Publication No. 2001-9053

However, in the fire hydrant device described in Patent Document 1 shown above, when the lid (name plate) below the road surface of the observer passage is opened, the hose is taken out, and the opening / closing lever is opened, monitoring is performed. The operator on the member aisle side has to bend down from the observer aisle and reach below the road surface of the observer aisle, or go down to the roadway, which is a problem that the work is troublesome. is there.

Therefore, the present invention has been made in view of the above circumstances, and provides a fire hydrant device that does not hinder the passage of the observer passage when not in use and is easy to operate from the roadway side and the observer passage side.

In order to achieve the above object, the present invention employs the following means.
That is, the fire hydrant device according to the present invention is on the road side of the observer passage in the tunnel including the road and the observer passage formed along the side wall of the tunnel at a position higher than the road surface of the road. An installed fire hydrant device, a water supply pipe through which fire extinguishing water flows, a fire hydrant valve provided in the water supply pipe, an opening / closing lever that can open and close the fire hydrant valve, and a fire extinguishing valve connected to the water supply pipe. The elevating unit includes a hose through which water flows, and the elevating unit projects upward from the road surface of the observer passage from a storage position arranged below the road surface of the observer passage. It is configured to be able to move up and down to the position of use, and the opening / closing lever can be operated from both the road side and the observer passage side, and is rotated from the road side toward the observer passage side. The fire hydrant valve is configured to be in an open position where fire extinguishing water can be discharged, and the open / close lever is provided with a display unit in which an operation direction for rotating to the open position is described. And.

In the fire hydrant device configured in this way, when the fire hydrant device is not used, the elevating unit having the water supply pipe, the fire hydrant valve and the opening / closing lever is located at the storage position arranged below the road surface of the observer passage. It does not interfere with those who pass through the guard passage.
In addition, since the elevating unit is configured to be able to elevate and descend from the road surface of the observer passage to the usage position protruding upward, when using the fire hydrant device, the elevating unit, that is, the water supply pipe, the fire hydrant valve, the opening / closing lever and the hose To raise. Since the operator can operate each equipment in the elevating unit while standing on the roadway and the observer passage, the operation is easy.
In addition, when the operator stands on the roadway of the tunnel and opens the fire hydrant valve of the water supply pipe at the time of extinguishing a fire, the opening / closing lever is rotated by applying (pushing) a force to the opening / closing lever toward the observer passage side. Open the fire hydrant valve. Therefore, since the operator standing on the roadway applies a force toward the observer passage side in a posture of leaning toward the observer passage side, the operator does not come into contact with the vehicle passing by tilting toward the roadway side. Therefore, the opening operation of the opening / closing lever can be made safe.
In addition, when the operator stands in the guard passage of the tunnel and opens the fire hydrant valve of the water supply pipe, the fire hydrant is rotated by applying (pulling) a force to the opening / closing lever toward the guard passage side. Open the valve. Therefore, since the operator standing on the observer aisle side applies a force toward the observer aisle side in a posture of leaning toward the observer aisle side, the operator does not come into contact with a vehicle passing by tilting toward the roadway side. .. Therefore, the opening operation of the opening / closing lever can be made safe.
Further, since the opening / closing lever is provided with a display unit in which the operating direction for rotating the opening / closing lever is described, the operator can recognize the operating direction of the opening / closing lever by looking at the display unit.

Further, in the fire hydrant device according to the present invention, it is preferable that the opening / closing lever and the nozzle provided on the hose of the elevating unit are located above the road surface of the observer passage at the used position.

In the fire hydrant device configured in this way, the elevating unit has the opening / closing lever and the nozzle provided on the hose located above the road surface of the observer passage at the position of use. Therefore, the operator can operate the opening / closing lever while standing on the roadway and the observer passage, and can remove the nozzle, which is easy to operate.

Further, in the fire hydrant device according to the present invention, the elevating unit may be constantly urged upward by urging means.

In the fire hydrant device configured in this way, the elevating unit is always urged upward by the urging means. Therefore, when using the fire hydrant device, the elevating unit is raised upward by the urging force of the urging means. Cheap. Therefore, the operator can raise the elevating unit without requiring a large force, so that the operability can be improved.

Further, in the fire hydrant device according to the present invention, the urging means may be composed of a constant load spring.

In the fire hydrant device configured in this way, since the urging means is composed of a constant load spring, the elevating unit can be pulled upward with a constant force.

Further, in the fire hydrant device according to the present invention, the display unit is displayed with the character of pushing on the side surface of the opening / closing lever on the roadway side, and the character of pulling the opening / closing lever on the side surface of the observer passage side. It may be displayed and configured.

In the fire hydrant device configured in this way, the operator on the roadway side sees the display part of the word "push" displayed on the side surface of the opening / closing lever on the roadway side, and the operator on the observer passage side is the observer of the opening / closing lever. The operation direction of the open / close lever can be recognized by looking at the display part of the character "pull" displayed on the side surface on the passage side.

Further, in the fire hydrant device according to the present invention, the display unit may be configured such that an arrow in a direction from the roadway side to the observer passage side is displayed on the upper surface of the opening / closing lever.

In the fire hydrant device configured in this way, the operator can recognize the operation direction of the open / close lever by looking at the arrow in the direction from the road side to the observer passage side displayed on the upper surface of the open / close lever.

According to the fire hydrant device according to the present invention, it does not hinder the passage of the observer passage when not in use, and can be easily operated from the roadway side and the observer passage side.

It is a perspective view which shows the installation state of the fire hydrant device which concerns on one Embodiment of this invention. It is a front view of the fire hydrant device which concerns on one Embodiment of this invention in the state which the elevating unit including a water supply pipe, a fire hydrant valve and an opening / closing lever is raised. FIG. 5 is a perspective view of a fire hydrant device according to an embodiment of the present invention, in which an elevating unit including a water supply pipe, a fire hydrant valve, and an opening / closing lever is raised. An opening / closing lever of a fire hydrant device according to an embodiment of the present invention is shown, (a) a perspective view of a closed position, and (b) a plan view. It is a perspective view which shows the state of the storage position of the fire hydrant device which concerns on one Embodiment of this invention. An opening / closing lever of a fire hydrant device according to a modified example of the embodiment of the present invention is shown, (a) a perspective view of a closed position, and (b) a plan view.

A fire hydrant device according to an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is a perspective view showing an installed state of a fire hydrant device according to an embodiment of the present invention.
The fire hydrant device 100 is mainly installed in a tunnel T such as an expressway or a motorway, and is used to extinguish a fire in the tunnel T due to a car accident or the like.
The tunnel T includes a road surface 1T of a roadway 1 through which a vehicle passes, and an outer shell body S formed by a curved surface. Further, inside the tunnel T, a road surface 2T of the observer passage 2 is provided at a position higher than the road surface 1T of the roadway 1 along the inner surface (side wall of the tunnel) S1 of the outer shell body S. A handrail 4 is provided on the road surface 2T of the observer passage 2.
A passage wall surface 3 formed along a vertical plane is provided between the road surface 2T of the observer passage 2 and the road surface 1T of the roadway 1. A fire hydrant device 100 is installed along the road surface 2T of the observer passage 2 and the passage wall surface 3.

FIG. 2 is a front view of the fire hydrant device 100 in a state where the elevating unit 20 is raised. FIG. 3 is a perspective view of the fire hydrant device 100 in a state where the elevating unit 20 is raised.
As shown in FIGS. 2 and 3, the fire hydrant device 100 includes a housing 10 and an elevating unit 20 provided so as to be able to move up and down with respect to the housing 10.

The housing 10 includes a bottom plate 11, a front plate 12 arranged on the roadway 1 side of the bottom plate 11 along the vertical plane, a rear plate 13 arranged on the opposite side of the front plate 12, and a front plate 12 and a rear plate 13. It has a side plate 14 for connecting the two, and an upper plate 15 arranged on the side opposite to the bottom plate 11 and arranged on both sides. As shown in FIG. 1, the housing 10 is embedded in the observer passage 2 so that the front plate 12 is along the passage wall surface 3.

The front plate 12 is provided with a name plate 12A described as a foam fire hydrant and a name plate 12B described as handling of the fire hydrant.

The elevating unit 20 is housed in a support 21 supported by the housing 10, an upper lid 22 provided at the upper end of the support 21, a hose accommodating portion 23 provided on the lower surface of the upper lid 22, and a hose accommodating portion 23. It has a hose 24 and a fire hydrant opening / closing lever 25.

The lower end of the support 21 is supported by the bottom plate 11 or the like of the housing 10, and the upper end is supported by the upper lid 22. The support 21 is arranged between the upper lids 22 on both sides of the housing 10 in a plan view.

The spring unit (urging means) 27 is fixed to the housing 10. The spring units 27 are provided at the four corners of the housing 10. The spring unit 27 has, for example, three constant load springs 27a, 27b, 27c. A long leaf spring 28 bent with a constant curvature is wound between adjacent constant load springs 27a, 27b, 27c, and a wire 29 provided on one constant load spring 27b is a pulley. It is connected to the lower end of the elevating unit 20 via 30. As a result, the lower end of the elevating unit 20 is urged upward by the spring unit 27. Further, on the upper surface of the upper lid 22, a name plate 22A on which the handling of the fire hydrant is described is provided.

The upper lid 22 is supported by the upper end of the support 21. The upper lid 22 is provided with a latch 31, and the rear plate 13 of the housing 10 is provided with a latch receiver (not shown, the same applies hereinafter).

The latch 31 and the operation unit 32 provided on the latch 31 are installed on the observer passage 2 side of the upper lid 22. By operating the operation unit 32, it is possible to unlock and lock between the latch 31 and the latch 31 receiver.

The hose accommodating portion 23 has a pair of front plates 26 arranged apart from each other in the vertical direction. The front plate 26 is fixed to the support 21. The front plate 26 is provided with a name plate 26A indicating a storage location of the hose 24 and a name plate 26B describing the handling of the fire hydrant device 100.

The hose 24 is wound and housed in the hose accommodating portion 23. A nozzle 41 is provided at the tip of the hose 24. A portion of the hose 24 near the nozzle 41 is detachably locked to the hose accommodating portion 23.

A space (take-out space) U is formed between the pair of front plates 26 of the hose accommodating portion 23. The hose 24 can be taken out from the take-out space U.

Water supply mains (not shown) are provided below the road surfaces 1T and 2T of the roadway 1 and the observer passage 2. A water supply pipe (water supply pipe) 51 is connected to the water supply main so as to stand up. For example, the water supply pipe 51 is connected to the water supply main by a connecting hose, a telescopic connecting pipe, a link pipe, or the like. The water supply pipe 51 is connected to the hose 24 and is arranged in the elevating unit 20.

FIG. 4 shows a fire hydrant opening / closing lever 25 of the fire hydrant device 100, (a) a perspective view of a closed position, and (b) a plan view.
The fire hydrant opening / closing lever 25 is provided in a region different from the hose accommodating portion 23, and in the present embodiment, the fire hydrant opening / closing lever 25 is provided on the side of the hose accommodating portion 23. The fire hydrant opening / closing lever 25 can be operated from both the roadway 1 side and the observer passage 2 side.

As shown in FIG. 4, the water supply pipe 51 is provided with a pilot valve 52. By operating the fire hydrant opening / closing lever 25 to the open position, the pilot valve 52 is opened, and the fire extinguishing water flows through the starting pilot pipe (not shown). Then, by supplying pilot pressure to the cylinder chamber (not shown) of the simultaneous release valve (not shown), the simultaneous release valve is driven to open, and fire extinguishing water is supplied from the simultaneous release valve to the nozzle 41 of the hose 24. Water can be discharged.

Next, a method of using the fire hydrant device 100 will be described.
FIG. 5 is a perspective view showing a state of the storage position 100X of the fire hydrant device 100.
As shown in FIGS. 1 and 5, when the elevating unit 20 is in the storage position 100X arranged below the road surface 2T of the observer passage 2, the operation unit 32 of the latch 31 is operated to unlock the latch 31. The elevating unit 20 on which the support 21 is urged upward rises. That is, the water supply pipe 51, the pilot valve 52 provided in the water supply pipe 51, the fire hydrant opening / closing lever 25 that can open / close the pilot valve 52, and the like are integrally raised.

Next, the nozzle 41 is removed from the hose accommodating portion 23, and the hose 24 is extended to the fire extinguishing position.

As shown in FIG. 4, the fire hydrant opening / closing lever 25 is attached in the direction orthogonal to the extending direction Z of the water supply pipe 51 at the closed position 25X. By rotating from the closed position 25X to the observer passage 2 side (rotating 90 degrees counterclockwise in a plan view) (see the two-dot chain line shown in FIG. 4B), the fire hydrant opening / closing lever 25 is opened. At the position 25Y, the pilot valve 52 is opened, and the discharge of fire extinguishing water is started from the nozzle 41.

In the fire hydrant device 100 configured in this way, when the fire hydrant device 100 is not used, the elevating unit 20 having the water supply pipe 51, the pilot valve 52, and the fire hydrant opening / closing lever 25 is arranged below the road surface 2T of the observer passage 2. Since it is located at the stored storage position 100X, it does not hinder a person passing through the observer passage 2.
Further, since the elevating unit 20 is configured to be able to elevate from the road surface 2T of the observer passage 2 to the usage position 100Y protruding upward, when using the fire hydrant device 100, the elevating unit 20, that is, the water supply pipe 51, Raise the pilot valve 52, the fire hydrant opening / closing lever 25, and the hose 24. Since the operator can operate each facility in the elevating unit 20 while standing on the roadway 1 and the observer passage 2, the operation is easy.

Further, in the elevating unit 20, the fire hydrant opening / closing lever 25 and the nozzle 41 provided on the hose 24 are located above the road surface 2T of the observer passage 2 at the usage position 100Y. Therefore, the operator can rotate the fire hydrant opening / closing lever 25 and remove the nozzle 41 while standing on the roadway 1 and the observer passage 2, so that the operation is easy.

Further, since the elevating unit 20 is always urged upward by the urging means, when the fire hydrant device 100 is used, the elevating unit 20 tends to be urged upward by the urging force of the urging means. Therefore, the operator can raise the elevating unit 20 without requiring a large force, so that the operability can be improved.

Further, since the urging means is composed of the spring unit 27, the elevating unit 20 can be pulled upward with a constant force.

Further, the operation unit 32 is provided on the observer passage 2 side of the upper lid 22. Therefore, when operating the operation unit 32, the operator operating from the observer passage 2 pulls the operation unit 32 toward the observer passage 2 side without moving the weight to the roadway 1 side. The operation unit 32 can be operated safely.

The various shapes and combinations of the constituent members shown in the above-described embodiment are examples, and can be variously changed based on design requirements and the like within a range that does not deviate from the gist of the present invention.

FIG. 6 shows an opening / closing lever of a fire hydrant device according to a modified example of the embodiment of the invention, (a) a perspective view of a closed position, and (b) a plan view.
As shown in FIG. 6, the thickness and width of the fire hydrant opening / closing lever 25 are secured, the operation direction to the opening position is indicated by an arrow (display portion) on the upper surface of the fire hydrant opening / closing lever 25, and the surface 25A on the roadway 1 side is indicated. The character (display unit) to be pressed may be written, and the character (display unit) to be pulled to the surface 25B on the observer passage 2 side may be written. As a result, it is found that the operator operating from the roadway 1 can open the fire hydrant opening / closing lever 25 by pushing the fire hydrant opening / closing lever 25, and the operator operating from the roadway 1 can open the fire hydrant opening / closing lever 25 by pulling the fire hydrant opening / closing lever 25. It is easy to understand if you can open 25.
The display unit provided on the fire hydrant opening / closing lever 25 is, for example, written in hiragana on the surface 25A on the roadway 1 side or the word PUSH in English, and is drawn in hiragana on the surface 25B on the observer passage 2 side. The word PULL may be written in English or in English. The display unit can be appropriately selected as long as the operation direction for rotating the display unit to the open position is described.

Further, the fire hydrant valve may be connected to the fire hydrant opening / closing lever 25 by a wire, and the fire hydrant valve may be opened by operating the fire hydrant opening / closing lever 25 to the open position.

100 ... Fire hydrant device 100X ... Storage position 100Y ... Use position 1 ... Roadway 1T ... Roadway surface 2 ... Watcher passage 2T ... Watcher passage road surface 3 ... Passage wall surface 10 ... Housing 11 ... Bottom plate 12 ... Front plate 13 ... Rear Plate 14 ... Side plate 15 ... Upper plate 20 ... Elevating unit 21 ... Support 22 ... Upper lid 23 ... Hose accommodating part 24 ... Hose 25 ... Fire hydrant opening / closing lever (opening / closing lever)
25X ... Closed position 25Y ... Open position 27 ... Spring unit (Aggression means)
31 ... Latch 32 ... Operation unit 36 ... Front plate 41 ... Nozzle 51 ... Water supply pipe (water supply pipe)
52 ... Pilot valve U ... Space S1 ... Inner surface (side wall of tunnel)
T ... tunnel

Claims (6)

A fire hydrant device installed on the roadway side of the guardway in a tunnel comprising a roadway and a guard passage formed along the side wall of the tunnel at a position higher than the road surface of the road.
A water supply pipe through which fire extinguishing water flows,
A fire hydrant valve provided on the water supply pipe and
An opening / closing lever that enables the opening / closing of the fire hydrant valve,
An elevating unit having a hose connected to the water supply pipe and through which the fire extinguishing water flows is provided.
The elevating unit is configured to be able to ascend and descend from a storage position arranged below the road surface of the observer passage to a use position where the elevating unit protrudes upward from the road surface of the observer passage .
The opening / closing lever can be operated from both the roadway side and the observer passage side, and by rotating the opening / closing lever from the roadway side toward the observer passage side, the fire hydrant valve can discharge fire extinguishing water. Configured to be in a possible open position,
A fire hydrant device characterized in that the opening / closing lever is provided with a display unit in which an operation direction for rotating the opening / closing lever is described. The display unit is characterized in that the character of pushing is displayed on the side surface of the opening / closing lever on the side of the roadway, and the character of pulling on the side of the opening / closing lever on the side of the observer passage is displayed. The fire hydrant device according to claim 1. The fire hydrant device according to claim 1 or 2 , wherein the display unit is configured by displaying an arrow in a direction from the roadway side toward the observer passage side on the upper surface of the opening / closing lever. The elevating unit is any one of claims 1 to 3, wherein the opening / closing lever and the nozzle provided on the hose are located above the road surface of the observer passage at the used position. The fire hydrant device described in the section. The fire hydrant device according to any one of claims 1 to 4, wherein the elevating unit is constantly urged upward by an urging means. The fire hydrant device according to claim 5 , wherein the urging means is composed of a constant load spring.

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