JP3155427B2 - Method for treating residual water in fire hose and apparatus for treating residual water in 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 method for treating residual water in a fire hose and a device for treating residual water in a fire hose for draining water remaining in the fire hose after completion of a water discharging operation.

[0002]

2. Description of the Related Art There is a large amount of residual water in a fire hose immediately after a water discharge operation is completed, and the residual water significantly increases the weight of the fire hose. Therefore, in order to smoothly move the fire hose after the end of the water discharging operation, it is necessary to drain the remaining water out of the fire hose. The drainage process is performed by moving the operator from one end to the other end while lifting the fire hose, and draining residual water from the other end of the fire hose. In general, water discharge work is performed with multiple fire hoses connected.Drainage treatment of residual water in fire hoses is performed for each fire hose after disconnecting the fire hoses. ing.

[0003] Therefore, when draining the residual water in the fire hose, it takes time and effort to release the connection between the fire hoses, and moreover, the drain must be drained for each hose whose connection has been released. Instead, it requires a great deal of labor and time.

[0004] However, after the actual fire extinguishing work at the fire site is completed, there is no need to recover the fire hose and leave the fire site very quickly, and a great deal of labor is involved in draining residual water in the fire hose. Even if it takes time, it is not a problem during actual fire fighting.

[0005]

However, in the firefighting pump operation tournament held for the purpose of improving the fire extinguishing technique, it takes time and effort to discharge the residual water in the fire hose. Operation is hindered. In other words, in this tournament, the time from the start of the operator's lineup to the fall of the target due to water discharge is fought together with the operation attitude in the form of a team competition, and the team that finished the competition will be equipped with the fire pump and fire hose etc. Must be quickly removed and replaced with the next team.However, it takes time and effort to drain the remaining water in the fire hose, so it takes time to replace the next team. This has hindered smooth operation.

[0006]

According to the first aspect of the present invention,
By inserting a resilient drain sphere formed to have a size to be pressed against the inner peripheral surface of the fire hose from one end of the fire hose after the end of the water discharging operation, and by pumping high-pressure air from one end of the fire hose, A drain ball was made to penetrate to the other end of the fire hose.

According to a second aspect of the present invention, there is provided a drainage ball having elasticity formed to have a size to be pressed against an inner peripheral surface of a fire hose.
A moving truck having wheels, a compressed air cylinder mounted on the moving truck, a connecting fitting detachably connected to a connecting fitting attached to one end of the fire hose, the connecting fitting and the compressed air A residual water treatment device in the hose was constituted by the pressure hose connected to the cylinder.

According to a third aspect of the present invention, in the second aspect, a plurality of drainage balls having different dimensions and a plurality of connecting fittings having different diameters are provided.

[0009]

According to the first aspect of the present invention, a drain ball is inserted from one end of the fire hose after the water discharging operation is completed, and then high-pressure air is fed from one end of the fire hose, so that the drain ball is attached to the other end of the fire hose. At this time, the remaining water in the fire hose is drained from the other end of the fire hose by a drain ball.

According to the second aspect of the present invention, the drainage bulb is inserted into one end of the fire hose that has completed the water discharging operation, and then the connecting fitting is connected to the connecting fitting attached to the one end.
Then, by pumping high-pressure air from the compressed air cylinder from one end side, the drain sphere penetrates the inside of the fire hose to the other end, and at this time, the remaining water in the fire hose is discharged by the drain sphere to the other end of the fire hose. Drained from the end. Further, when performing the residual water treatment, the movable trolley is moved to the vicinity of the fire hose.

According to the third aspect of the present invention, when the fire hoses have different diameters, the remaining water in each fire hose is selected by connecting a drainage ball having a size corresponding to the diameter and a connection fitting. Drain.

[0012]

An embodiment of the present invention will be described with reference to the drawings. A mobile trolley 4 having wheels 1 for moving, a handle 2 for moving operation, and a leg 3 for maintaining a stationary state at a predetermined position is provided, and the mobile trolley 4 is filled with high-pressure air. A compressed air cylinder 5 is mounted.

Next, on one end side of the fire hose 6, a connection fitting 7 for connecting the fire hose 6 to a fire hydrant or connecting to another fire hose for extension is attached.
A connection fitting 8 which is detachably connected to the connection fitting 7 is provided, and the connection fitting 8 and the compressed air cylinder 5 are connected via a pressure hose 9. In the middle of the pressure hose 9, a pressure adjusting knob 10 is provided.
a, a regulator 10 having a pressure meter 10b and an opening / closing lever 11 are provided, and the connection fitting 8 and the pressure hose 9 are detachably connected.

A holding fitting 12 for holding the connecting fitting 8 is attached to the movable trolley 4, and further holds a connecting fitting 8a having the same structure as the connecting fitting 8 and having a different diameter. Metal fittings 12a are attached. Specifically, the connection fitting 8 has a diameter of 65 mm.
The connecting fitting 8a is used for a fire hose having a diameter of 40 mm.

Next, a resilient barrel-shaped drain bulb 13 which is insertable from one end of the fire hose 6 and is formed to have a size to be pressed against the inner peripheral surface of the fire hose 6.
Is provided. Here, the appearance of the drainage ball 13 is shown in FIG. 4, and the cross-sectional shape thereof is shown in FIG. The drain bulb 13
Is a wooden core 13a located at the center thereof and a wooden core 1
Water-impermeable and elastic member 13 covering the periphery of 3a
b, for example, with a sponge. In addition,
The drain ball 13 is used for a fire hose 6 having a diameter of 65 mm, and a small drain ball (not shown) having a similar structure and used for a fire hose having a diameter of 40 mm is provided. I have. A storage box 14 for storing the drainage balls 13 when not in use is attached to the movable trolley 4.

An operation procedure for draining the remaining water in the fire hose 6 after the water discharging operation in such a configuration will be described. First, a drain bulb 13 is inserted from one end of the fire hose 6 used in a state where a plurality of fire hoses 6 are connected. Then, the connecting fitting 8 to which the pressure hose 9 is connected is connected to one end of the fire hose 6. It is connected to the connection fitting 7 attached to the side. After the setting is completed in this way, the open / close valve 5a of the compressed air cylinder 5 is opened,
Next, the opening / closing lever 11 provided on the distal end side of the pressure hose 9 is opened.

Then, the high-pressure air in the compressed air cylinder 5 is pressure-fed into the fire hose 6 from one end thereof, and the drain ball 13 pushed by the high-pressure air penetrates the fire hose 6 and the other end of the fire hose 6. Jump out from the end. Therefore, the drain bulb 13
At the same time, the opening / closing lever 11 is closed, and the supply of high-pressure air into the fire hose 6 is terminated. At this time, drain ball 1
3, the inertia force is increased by the weight of the wooden core 13a provided at the center thereof, and the core 3 penetrates the fire hose 6 well. That is, by providing the wooden core 13a, the penetration of the drain bulb 13 is improved. In addition, a collecting net (not shown) is attached to the other end of the fire hose 6 in advance, and the drainage balls 13 that have jumped out are collected by this collecting net.

Here, by allowing the drain bulb 13 to penetrate from one end of the fire hose 6 to the other end, the residual water in the fire hose 6 is pushed by the drain bulb 13 and drained from the other end of the fire hose 6. Is done. In addition, the drainage bulb 13 can be penetrated by high-pressure air at a time over a plurality of fire hoses 6 connected to each other. Therefore, it is possible to perform the drainage treatment of the residual water in the fire hose 6 in a short time without any trouble. Will be replaced quickly, which will contribute to the smooth operation of the tournament. Further, since this residual water treatment apparatus is equipped with all the necessary equipment for drainage treatment of residual water on a mobile trolley 4 equipped with wheels 1, the apparatus has excellent mobility and the wastewater treatment is performed. Even if a plurality of sets of fire hoses 6 to be performed are located at positions separated from each other, drainage processing of each fire hose 6 can be performed smoothly.

After the process of draining the remaining water in the fire hose 6 is completed, as shown in FIG. 2, the connecting fitting 8 is held by the holding fitting 12, and the drain bulb 13 and the collecting net are stored in the storage box. 14.

In this embodiment, the diameter is 65 m.
Although the case where the residual water drainage process is performed for the fire hose 6 having a diameter of m is described, when the drainage process of the residual water is performed for the fire hose having a diameter of 40 mm, the distal end of the pressure hose 9 is connected to the connection fitting 8a. At the same time, use a small drain bulb corresponding to this fire hose.

Next, the shape, material and the like of the drain bulb are not limited to those shown in FIGS. For example, as shown in FIG. 6, a drain ball 15 formed into a spherical shape with a flexible resin foam, or as shown in FIG. 7, a drain ball formed into an elliptical spherical shape with a flexible resin foam. It may be 16. In the drain ball 15 shown in FIG. 6, the insertion direction into the fire hose 6 is not restricted, and the penetration into the fire hose 6 is improved by adopting a spherical shape. On the other hand, the drain bulb 1 shown in FIG.
In 6, the tightness of the fire hose 6 to the inner peripheral surface is improved, the leakage of the high-pressure air to be pumped is prevented, and the penetration in the fire hose 6 is improved.

[0022]

According to the first aspect of the present invention, as described above, an elastic drain sphere formed to have a dimension to press against the inner peripheral surface of the fire hose from one end of the fire hose after the water discharging operation is inserted. Then, since the drainage ball is made to penetrate to the other end of the fire hose by sending high-pressure air from one end of the fire hose, the drain ball is made to penetrate from one end of the fire hose to the other end. As a result, the remaining water in the fire hose can be drained from the other end of the fire hose, and if multiple fire hoses are connected to perform water discharge work, disconnect those connections. Therefore, there is an effect that the drainage treatment of the residual water in the fire hose can be quickly performed in a short time without any trouble.

According to a second aspect of the present invention, as described above, a drainage ball having elasticity formed to be in contact with the inner peripheral surface of a fire hose, a movable truck having wheels, and a movable truck mounted on the movable truck. A compressed air cylinder, a connection fitting removably connected to a connection fitting attached to one end of the fire hose, a pressure hose connecting the connection fitting to the compressed air cylinder, and a remaining connection in the fire hose. Since the water treatment device was configured, a drain bulb was inserted into one end of the fire hose that completed the water discharge operation, a connecting fitting was connected to the connecting fitting attached to this one end, and the compressed air cylinder was connected from this one end. By pumping compressed air, the drain sphere can penetrate from one end of the fire hose to the other end, and at this time, the remaining water in the fire hose can be drained from the other end of the fire hose by the drain sphere. In addition, when multiple fire hoses are connected to perform water discharge work, drainage can be performed without disconnecting those connections, and therefore, drainage of residual water in the fire hoses is troublesome. Can be carried out quickly in a short period of time without any additional processing. Furthermore, since the residual water treatment device has a structure in which equipment necessary for the residual water treatment is mounted on a mobile trolley, the mobility can be improved. And the like.

According to the third aspect of the present invention, as described above, a plurality of drainage balls having different dimensions and a plurality of connecting fittings having different diameters are provided in the second aspect of the present invention. By selecting and connecting the fitting and the fitting in accordance with the diameter of the fire hose for performing the drainage treatment, there is an effect that the residual water can be drained even for a fire hose having a different diameter.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention.

FIG. 2 is a perspective view showing a state during non-operation.

FIG. 3 is a longitudinal sectional front view showing a state where a drain ball is inserted into a fire hose and a state where a connection fitting and a connection fitting are connected.

FIG. 4 is a perspective view showing a drain ball.

FIG. 5 is a vertical sectional side view showing a drain ball.

FIG. 6 is a perspective view showing a drain bulb having a changed shape and material.

FIG. 7 is a perspective view showing another drain bulb having a changed shape and material.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Wheel 4 Moving cart 5 Compressed air cylinder 6 Fire hose 7 Connection fitting 8, 8a Connection fitting 9 Pressure hose 13, 15, 16 Drain sphere

──────────────────────────────────────────────────続 き Continuation of front page (56) References JP-A-4-117968 (JP, A) JP-A 55-126854 (JP, U) JP-A 62-148666 (JP, U) JP-A 6-148666 61260 (JP, U) Hira 4-111361 (JP, U) Hira 7-394 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) A62C 23/00-39 / 00

Claims (3)

(57) [Claims] 1. A fire-extinguishing hose having a dimension dimensioned to be pressed against the inner peripheral surface of the fire hose is inserted from one end of the fire hose after the water discharging operation, and high-pressure air is discharged from one end of the fire hose. A method for treating residual water in a fire hose, wherein the drainage ball is penetrated to the other end of the fire hose by pressure feeding. 2. A fire-extinguishing hose having an elastic drainage sphere formed to have a size to be pressed against the inner peripheral surface of the fire-extinguishing hose, a movable truck equipped with wheels, a compressed air cylinder mounted on the movable truck, A residual water treatment device in a fire extinguishing hose, comprising: a connecting fitting detachably connected to a connecting fitting attached to one end side; and a pressure hose connecting the connecting fitting and the compressed air cylinder. 3. The apparatus for treating residual water in a fire hose according to claim 2, wherein a plurality of drainage balls having different dimensions and a plurality of connecting fittings having different diameters are provided.