JP3292910B2 - Car bridge for fire hose - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fire extinguishing hose which is easily installed on a road surface during a fire extinguishing operation, and is crushed by the pressure of the wheels of a running truck or a general automobile. The present invention relates to a car bridge for a fire hose that does not cause a problem.

[0002]

2. Description of the Related Art Heretofore, as a fire hose car bridge, a group of two or more blocks each having a horizontal top and a rounded inclined surface formed so as to protrude slightly upward are provided. A block group is provided at a predetermined interval, a hollow portion is provided in the block, a hose is inserted into the hollow portion, and the outer end of the block or the block group has abrasion resistance and flexibility. There has been proposed one configured to be mounted on the upper surface of a stand (for example, see Japanese Patent Application Laid-Open No. 7-185032).

[0003]

However, the car bridge for a fire hose described in the above prior art,
When transporting a fire hose car bridge, the bridge stacked on the transport vehicle must be once lowered to the ground so that it can be used, and after use, it must be lifted from the ground and the base plate bent outward. In particular, since the weight of a car bridge for a fire hose is 9.5 to 13.5 kg,
There is a problem that carrying work is inefficient. Also, since the hose is inserted directly into the recess between the left and right blocks and used, the internal pressure in the hose at the time of water discharge is considerably increased. Because of the high pressure applied, there is a problem that the vehicle swells upward and the wheels of the vehicle come into contact with the hose and damage the hose. Also, in places where there is a lot of transportation on the ground, regardless of the city, if a designated place is specified in an emergency, not only will traffic jams occur in the transportation, but also if the hose contacts directly on the hose, the hose will be seriously damaged. There is a point.

[0004] Therefore, the present invention eliminates the above-mentioned conventional problems, so that water can be smoothly supplied without causing a traffic obstacle.
An object of the present invention is to provide a fire hose car bridge that has no damage to a hose against an impact due to an external pressure and can be made compact after a fire is extinguished.

[0005]

In order to achieve the above-mentioned object, the invention according to the first aspect of the present invention is directed to a first aspect of the present invention, wherein a through hole for a hose is provided at a central portion, and the upper surface is inclined right and left around the hose. In the protective cover of the fire hose in which the inscribed surfaces of the left and right blocks are formed in an arc shape, the end of the cover body of the cover body curved to one side of the bottom plate can be opened and closed on the bottom plate. A projection having holes arranged on the other side of the bottom plate is overlapped with a projection having a hole at the tip of the cover body, and a metal rod is inserted into and fixed to the hole between the projections to fix the fire hose. The cover body is configured to be openable and closable so as to cover from the upper surface, locking pieces are provided on both left and right sides in the longitudinal direction of the cover body, and the left and right blocks having upper surfaces with inclined surfaces from the left and right with the cover body as the center. The contact surface is formed in the recess, And a locking piece provided in the saw portion is characterized in that disengageable allowed freely engaged the engaging piece of the cover body. The invention according to claim 2 of the present invention is characterized in that a plurality of cover bodies are arranged side by side, and a guiding cover body is connected to the mouth ends of the water supply side and the water supply side at both ends of the cover body. The third aspect of the present invention is directed to the second aspect.
The shape of the guide cover body is arbitrarily formed so that the shape of the fire hose inserted in the connected guide cover body described above can be gradually deformed and restored.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

The embodiment shown in FIG. 1 is a cover body 1 which is a part of a fire hose car bridge, in which a base end portion of a cover body 3 curved to one side of a bottom plate 2 is hinged 4. The protrusions 5 having holes projecting from the front and rear of the bottom plate 2 are overlapped with the protrusions 6 having holes in the cover body 3, and a metal rod 7 is erected and fixed across the protrusions 5 and the fire hose. 8 is configured to be openable and closable so as to cover from above. The bottom plate 2 is made of a metal plate, and a cushioning material 9 such as a rubber mat is attached to the lower surface. The material of the cover body 3 has a pressure resistance against the weight of the vehicle, and has a water blocking effect for the fire hose 8 in the cover body 3 on the bottom plate 2, such as a metal plate, an alloy plate, or a hard plastic plate. Is preferred.
Locking pieces 10a and 10b are provided on the left and right side surfaces of the cover body 3. The locking pieces 10a and 10b are designed to prevent the cover 3 from being lifted by the pressure of the fire hose 8, and are formed in an L-shape, and can be extended and attached to both ends of the side surface of the cover 3. And a metal member having high strength is also preferable. Packings 11, 11 are attached to the front and rear edges of the cover body 3.

The embodiment shown in FIG. 2 is, as shown in FIG. 6, a guide cover body 12 connected to the water supply side and water discharge side mouth ends of the cover body 1, and the guide cover body 12 The fire hose 8 is housed in 12, and the shape of the water flow in the fire hose 8 expanded in order to supply water is sequentially corrected to the shape of the cover body 1 of the car bridge, and then restored to the shape of the fire hose 8 when water is discharged. It is.

The embodiment shown in FIG. 3 is a partially cutaway plan view showing a connection state between the cover main body 1 and the cover main body 1. The bottom plate 2 and the front and rear edges of the bottom plate 2 which are in contact with each other are packed. 13 and 13 are attached, and connecting rods 14 and 1 are
4 so that each cover body 1 is always horizontally stable and capable of responding to the ups and downs of the ground. The flowing water is extremely smoothly performed without causing any abnormality in the hose 8. Furthermore, as a locking means to increase the strength,
It is also conceivable that a protrusion is provided on one of the bottom plate 2 and the cover body 3 and a hook or a hinge is formed on the other so as to be detachable.

The embodiment shown in FIG. 4 is a block 16a, 16b having an inclined surface 15 which integrally forms the cover body 1 in a detachable manner, and the upper end of the inscribed surface is slightly inward. The projections 17a, 17b are formed by bending the projections 17a, 17b, and the locking pieces 18a, 18b are attached to the depressions of the inscribed surface at positions corresponding to the locking pieces 10a, 10b of the cover body 1, as shown in FIG. The blocks 16a, 16b and the cover body 1 are integrated so that the left and right blocks 16a, 16b
The upper surface of the cover body 1 is arranged on a horizontal line between them. When formed in this manner, the vehicle is
The cover main body 1 and the blocks 16a, 16b smoothly pass without any risk of detachment when passing over the upper surfaces a, 16b, and do not damage the fire hose 8. On the inclined surface 15,
When the vehicle passes, wheels and blocks 16a, 1
It is preferable to form a protrusion or an uneven surface as an anti-slip so that the vehicle passes smoothly due to frictional resistance between the contact surfaces of the contact surfaces 6b, and the shape of the inclined surface 15 of the present invention is not limited at all. An elastic body 19, for example, a rubber mat is attached to the bottom surfaces of the blocks 16a and 16b provided on the left and right with the cover body 1 as a center with an adhesive. Locking piece 10a of cover body 1,
10b and locking pieces 18a, 1 of blocks 16a, 16b.
Since a considerable load is applied to 8b, it is desirable to use, for example, a super-hard metal plate made of titanium, an alloy plate, stainless steel, a hard synthetic resin, or the like so as not to be separated when the vehicle passes.

Although the shape of the locking piece of the present invention has been described as a hook shape, the present invention is not limited to this.
All of the locking pieces having a strong and detachable shape are included. Further, the connecting rod of the present invention has been described as a rod-shaped one, but the present invention is not limited to this, and includes all those that connect the cover main body with the cover main body or the cover main body with the guide cover main body.

The above-mentioned cover bodies 1, 1, 1, guide cover bodies 12, 12 and blocks 16a, 16a,
As shown in FIG. 6, 16b, 16b are arranged on the road surface and assembled, and the fire extinguishing operation is performed smoothly with a fire hose.

The embodiment shown in FIGS. 7 and 8 is a series of water guide pipes 20 made of, for example, a metal, and both ends 21a and 21b of the water guide pipe 20 are fire-fighting without small sand adhered and smoothly. It is formed upward so that it can be screwed with the hose 8, and a male fitting is attached to one mouth end 21b, and a female fitting is attached to the other mouth end 21a, and the fire hose 8 is screwed to supply water. It is formed as follows. The upper surface of the water guide pipe 20 at a position corresponding to the width of the left and right wheels of the vehicle is formed substantially flat so that the wheels do not come into contact with each other, and is substantially at the same height as or lower than the protrusions 17a and 17b with the left and right blocks 16a and 16b. Form. Locking pieces 22a and 22b are attached to the left and right side surfaces of the outer periphery of the water guide pipe 20 at positions corresponding to the wheels of the vehicle, and the lock pieces 22a and 22b of the water guide pipe 20 as shown in FIG. Locking pieces 18a of the blocks 16a, 16b,
18b is locked and arranged on the road surface as shown in FIG. 9 to extinguish fire.

[0014]

Since the present invention is configured as described above, the following effects can be obtained.

Since the cover body, the left and right blocks, and the like are assembled, the car bridge for the fire hose can be easily formed.

Since one side of the cover body is hinged on the bottom plate so as to be openable and closable, the fire hose can be easily and quickly moved in and out.

Since the cover body is formed of a hard member, it is possible to withstand external pressure, and there is an effect that the fire extinguishing operation can be performed smoothly without affecting the amount of water discharged in the fire hose.

Since the cover body and the left and right blocks are locked by the locking pieces, the mechanism is simple as a fire hose car bridge.

Since the cushioning members made of elastic material are adhered to the bottom plate of the cover body and the bottom surface of the block, respectively, there is an effect of preventing damage to external pressure.

Since the guiding cover main body is connected before and after the connected cover main body, the fire hose is not damaged by water pressure, and the same amount of water and the same water pressure are naturally maintained in the fire hose and water is smoothly supplied. There is an effect that can be done.

Since the fire hose car bridge is disassembled and can be miniaturized, there is an effect that transportation is convenient.

Since the locking pieces are attached to the series of water pipes, the assembling time of the fire hose car bridge can be reduced, and the fire extinguishing operation can be promptly prepared.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of a cover body of the present invention.

FIG. 2 is a configuration diagram of a guide cover main body of the present invention.

FIG. 3 is a partially cutaway plan view showing a state where the cover main body of the present invention is connected to the cover main body.

FIG. 4 is a perspective view of a block.

FIG. 5 is a cross-sectional view showing a state in which blocks are locked on left and right sides of a cover main body.

FIG. 6 is an explanatory diagram showing a use state.

FIG. 7 is a side view of the water guide pipe.

FIG. 8 is an enlarged sectional view taken along line AA of FIG. 7;

FIG. 9 is an explanatory diagram showing a use state.

FIG. 10 is an enlarged sectional view taken along line BB of FIG. 9;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cover main body 2 Bottom plate 3 Cover body 8 Fire hose 10a, 10b Locking piece 12 Guide cover main body 16a, 16b Block 18a, 18b Locking piece 20 Water guide pipe 21a, 21b Mouth end

Claims (3)

(57) [Claims] 1. A protective cover for a fire-fighting hose in which a block having upper and lower inclined surfaces is provided on the left and right sides of a hose in order to provide a through hole for the hose in the center, and the inscribed surfaces of the left and right blocks are formed in an arc shape. An end of the cover body of the cover body curved to one side of the bottom plate is hinged on the bottom plate so as to be openable and closable, and a protrusion having holes arranged on the other side of the bottom plate and a tip of the cover body. Polymerize and match the projections with holes,
The cover body is configured to be openable and closable so that the metal rod is inserted and fixed in the holes of these protrusions and covers the fire hose from the top,
Engagement pieces are provided on both left and right sides in the longitudinal direction of the cover body, and the inscribed surfaces of the left and right blocks having upper surfaces inclined from the left and right with the cover body as the center are formed in the recesses, and are locked in the recesses. A car bridge for a fire hose, wherein a piece is provided and engaged with a locking piece of the cover body in a detachable manner. 2. A fire hose for a fire hose according to claim 1, wherein a plurality of cover bodies are arranged side by side, and a guide cover body is connected to the mouth ends of the water supply side and the water supply side at both ends of the cover body. Car bridge. 3. The shape of the guide cover main body is arbitrarily formed so that the shape of the fire hose inserted in the connected guide cover main body according to claim 2 can be gradually deformed and restored. The car bridge for a fire hose according to claim 2.