JP2832418B2 - Fire water tank with fire pump - 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 fighting water tank with a fire fighting pump. More specifically, the present invention relates to a fire fighting water tank equipped with a fire fighting pump in a manhole. The present invention relates to a fire prevention water tank with a fire pump used for sucking and sending water to a fire site.

[0002]

2. Description of the Related Art Conventionally, only portable fire fighting pumps have been proposed, and a main body comprising an engine, a vacuum pump meter display unit and the like is mounted on a pedestal or a trolley made of a metal pipe or the like. On either side of the main body, open and close both ends of a communication pipe equipped with a turbine pump at appropriate intervals, this upper opening can be connected to a discharge pipe, and the lower opening can be connected to a water absorption pipe. It is composed. A fire pump of such a configuration is transported and installed, for example, in the vicinity of a fire prevention water tank with a manhole cover opened, and a discharge pipe is connected to an upper opening of a communication pipe, and a water absorption pipe is connected to a lower opening, The lower end opening of the water-absorbing pipe is put into a fire-preventive water tank and drooped, and the fire-fighting water is sucked up from the water-absorbing pipe and discharged from the discharge pipe by driving of a pump or the like by an engine for use.

[0003]

However, the prior art fire fighting pump is first portable and must be transported and installed in the vicinity of a water intake such as a fire prevention water tank when used. Secondly, the lower end of the communication pipe is open to the side, so if the water absorption pipe does not bend by about 90 °, it will not hang down in the water tank. Water cannot be absorbed in the best condition due to high resistance when passing water through the curved part. Thirdly, if the pump installation position is bad, an air layer is created in the water intake pipe, and the pumping work is repeated. There was a problem that it had to be performed and time was required.

[0004] In order to eliminate the above-mentioned problems of the prior art, the present invention provides a fire-fighting pump mounting table which is fixed or movable up and down at the most effective location for installing a fire-fighting pump. By installing a fire fighting pump inside the fire fighting water tank at all times, the fire fighting pump can be started quickly, and the water absorbing pipe is straightened by dropping the water absorbing pipe from the bottom of the fire fighting pump main body. The purpose is to droop into the water tank and improve the amount of fire water released.

[0005]

In order to achieve the above object, a first invention of the present application attaches a partition wall having a water-absorbing insertion hole between inner walls of a fire prevention water tank, and mounts an engine,
Attach the fire pump main body composed of a vacuum pump, a communication pipe, etc., insert the water absorption pipe connected to the water suction port of the communication pipe into the water absorption pipe insertion port, and put the water absorption pipe lower end opening into fire protection water. It is located.

According to a second aspect of the present invention, a water suction pipe communicating with a lower end opening of a communication pipe is vertically provided on a lower surface of a fire pump body, and the water suction pipe is inserted through a water suction pipe insertion hole formed in a partition wall. It is configured to hang down into fire protection water.

In a third aspect of the present invention, a partition wall having a water-absorbing pipe insertion hole is attached between inner walls of the fire-resistant water tank, and a locking groove is formed in the inner peripheral wall of the fire-resistant water tank along the circumferential direction. A fire pump main body comprising an engine, a vacuum pump, a communication pipe, etc., having a water suction pipe provided on a lower surface above the partition wall, and the lower surface of the fire pump main body has the locking groove at a peripheral edge thereof. A fire pump mounting table having a locking piece and a water suction pipe insertion port engageable with the fire pump pump base in a state in which the water suction pipes pass through the water suction pipe insertion ports and hang down in fire water. Is configured to be able to move up and down above the partition wall together with the fire pump mounting table.

According to a fourth aspect of the present invention, a support is provided on the inner peripheral wall of the fire prevention water tank, and a partition wall having a water-absorbing pipe insertion hole is attached between the inner walls. Above the partition wall, a water-absorbing pipe is vertically provided on a lower surface. An engine, a vacuum pump, a fire pump main body composed of a communication pipe, etc., are inserted into the fire pump mounting table having a water suction pipe insertion port, and the water absorption pipes are inserted into the water suction pipe insertion port, respectively. Is mounted so that the supporting rod is pushed upward by the force of the spring.

According to a fifth aspect of the present invention, a support is provided on an inner peripheral wall of a fire prevention water tank, and a water-permeable bottom plate having a water-absorbing pipe insertion hole is attached between the inner walls. The water-absorbing pipe is inserted through the water-absorbing pipe insertion port on the fire-fighting pump mounting table having the water-absorbing pipe insertion port, and the fire-fighting pump main body having the vertically installed water-absorbing pipe insertion port is mounted on the lower surface of the fire-fighting pump mounting table and on the bottom plate upper surface. Is mounted so that the fire-fighting pump device base is raised by the elastic force of the spring.

Further, it is preferable that the support according to the fourth and fifth aspects of the invention is configured to enter and exit from the inner peripheral wall of the manhole in relation to the mounting table.

[0011]

The partition wall according to the first and second aspects of the present invention functions to fixedly mount the fire pump body.

In the second to sixth aspects of the present invention, since the water absorption pipe is provided vertically from the lower surface of the fire fighting pump main body, the resistance to water in the water absorption pipe becomes smaller than that of the conventional curved water absorption pipe, and the discharge port is formed. The amount of discharged water increases.

In the third aspect of the present invention, when the fire fighting pump body is lifted, the fire fighting pump mounting base also moves upward together with the fire fighting pump body, and the fire fighting pump body is positioned at a position where the locking groove and the locking piece are in a horizontal relationship. When the is rotated in the lateral direction, the locking pieces fit into the locking grooves, the fire pump mounting table is supported by the locking grooves, and the position of the fire pump body is stably held.

[0014]

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

In the embodiment shown in FIG. 1, a concrete manhole 1 is formed integrally with a fire protection water tank 2, and fire protection water (not shown) supplied from a water pipe 3 is always stored at the bottom thereof. ing. A partition 6 having a water inlet 4 and a drain hole 5 is formed as a bottom, and a storage container 8 having a cylindrical peripheral wall 7 connected to the partition 6 is open in the upper part of the concrete manhole 1. . A fire pump mounting table 9 is integrally attached to the upper surface of the partition wall 6. The fire pump mounting table 9 has an engine 10 and a vacuum pump 1.
1. A lower end of a communication pipe 14 is opened on the side of a fire pump body 13 constituted by a meter display device 12 and the like, and a water suction pipe 15 is connected to and attached to this opening. The lower end opening of the water suction pipe 15 is inserted into the water suction pipe insertion port 4 and is located in fire protection water (not shown). An anti-vibration rubber 16 is attached to the entire periphery of the water inlet 4. Exhaust pipe 17
An exhaust pipe cover 18 for covering the upper end opening of the exhaust pipe 17 is suspended from the upper end of the exhaust pipe 17. In use, a cylindrical muffler 19 is connected to the exhaust pipe 17 as shown by a solid line, and is formed so as to exhaust to the ground. Perimeter wall 7
, Muffler supports 20 and 21 are attached, and when not in use, the muffler 19 is attached to the muffler supports 20 and 21 and stored in the storage container 8 as shown by a dashed line. 22 is a handle for installation. 23 is a turbine pump, and 24 is a discharge pipe. The discharge pipe 24 communicates with the communication pipe 14, and the upper end thereof is formed so as to be detachable from a fire hose (not shown).

The operation of this embodiment will be described. The water sent to the water pipe 3 is stored at the bottom of the fire protection water tank 2.
The manhole cover (not shown) is opened, and the exhaust pipe cover 18 is opened.
When the engine 10 is driven in a state where the muffler 19 is connected to the opening at the upper end of the exhaust pipe 17 from which the water has been removed, the pumps 11 and 23 are operated, and the fire-fighting water sucked up from the water suction pipe 15 is connected to the communication pipe. The fire is discharged from the outer end of a fire hose (not shown) to a fire spot through a flow path composed of the discharge pipe 14 and the discharge pipe 24. The drain hole 5 has a function of dropping water in the storage container 8 into the fire prevention water tank 2. Muffler 19
Functions to exhaust the exhaust gas from the engine 10 onto the road surface while silencing the exhaust gas.

At the time of non-use, the fire hose (not shown) is withdrawn from the discharge pipe 24 with the driving of the engine 10 stopped. Remove the muffler 19 from the exhaust pipe 17,
After the muffler 19 is attached to the muffler supports 20 and 21 and stored in the storage container 8, the upper opening of the storage container 8 is covered with a manhole cover (not shown).

The embodiment shown in FIG. 2 will be described.
For the sake of simplicity, parts having the same function as in FIG. 1 will be described using the same reference numerals. The lower end of the communication pipe 14 is formed to open at the lower part of the fire pump body 13. The water inlet 4 is formed substantially in the center of the partition 6. The water-absorbing pipe 15 is attached such that its upper-end opening communicates with the lower-end opening of the communication pipe 14, and is inserted through the water-absorbing pipe insertion port 4 so that the lower-end opening is located in the fire protection water (not shown). It is suspended in. 25 is a fuel tank. Other configurations are the same as those of the embodiment shown in FIG.

In the embodiment shown in FIG. 2, the communication pipe 1 has a water suction pipe 15 opened at the lower part of the fire pump body 13.
Since it is vertically connected to the lower end of the pipe 4, the resistance of the fire protection water passing through the inner peripheral surface of the water absorption pipe 15 when absorbing water is reduced, and the discharge water amount is increased.

The embodiment shown in FIGS. 3 to 5 will be described. The partition 6 of the storage container 8 has a water-absorbing pipe insertion hole 4 formed substantially at the center, and a vibration-proof rubber 1
6 is attached. The peripheral wall 7 is provided with a plurality of lateral grooves 26 which are recessed at predetermined intervals along the circumferential direction and are provided in parallel at appropriate intervals in the vertical direction.
The vertical groove 27 is formed between the vertical grooves 27 and located in the vertical direction. A fire pump mounting table 9 is integrally attached to the bottom of the fire pump main body 13. As shown in FIGS. 4 and 5, the fire pump mounting table 9 is
In order to make horizontal movement up and down through a slight gap on the inner wall of the vertical groove 27, a similar shaped locking piece 28 slightly smaller due to the planar shape of the vertical groove 27 is provided at an interval corresponding to the recess interval of the vertical groove 27,
A notch 29 is formed on the outer side of the ring to penetrate the water supply pipe 3, and a water suction pipe insertion port 30 is formed in the center of the inside of the ring. A net 31 is provided. The structure of the fire fighting pump body 13 is exactly the same as that of the embodiment shown in FIG.

Next, the operation of the embodiment shown in FIGS. 3 to 5 will be described. When the fire pump body 13 is lifted immediately above with the locking pieces 28 positioned in the vertical grooves 27, the locking pieces 28 slide the fire pump body 13 together with the fire pump mounting table 9 while sliding on the vertical grooves 27. Move up. Locking piece 2
When the fire pump body 13 is rotated along the circumferential direction of the peripheral wall 7 at a position where the height 8 is the same as the desired recessed position of the lateral groove 26, the locking piece 28 is fitted into the lateral groove 26,
The fire pump mounting table 9 is supported at the bottom of 6. In this embodiment, it is sufficient that the rotation angle is about 30 °, and this rotation angle is determined by the number and position of the locking pieces 28.

The embodiment shown in FIGS. 6 to 12 will be described. A groove 32 is provided opposite to the peripheral wall 7 of the storage container 8. This groove 32 has a spring 3 having a support piece 33 at the tip.
4 is installed. On the lower surface of the fire pump body 13, a fire pump mounting table 9 having a net 31 having a water suction tube insertion port 30 is attached. The fire pump mounting table 9 is provided with a hook-shaped sliding groove 35 in a side view, into which the upper end of a support rod 37 having a sliding groove 36 is slidably fitted. The support rods 37, 37 cross each other, and a spring 38 is attached to the crossing portion so that the support rods 37, 37 simultaneously rise by the resilience and the fire pump mounting table 9 is raised. The lower end portion of the support rod 37 is inserted through an insertion hole 39 provided between the peripheral wall 7 and the partition wall 6, and the fire pump body 1 is
It is configured to enter and exit the insertion hole 39 depending on the position of 3. Numeral 40 is fire water. The insertion groove 39 has a sliding groove 36.
Are provided in a protruding manner. When the fire pump body 13 is placed outside, it is conceivable to attach wheels to the bottom of the fire pump body 13.

The operation of the embodiment shown in FIGS. 6 to 12 will be described. When the fire pump body 13 is lifted,
The fire pump mounting table 9 also rises. In this case, the support rods 37, 37 are raised by the elastic force of the spring 38, and the support rods 37, 3 are raised.
The upper end of 7 slides in the sliding groove 35 to move the fire pump mounting table 9 up together with the fire pump body 13. The support piece 33 receives the outward pressure from the fire pump mounting table 9 raised by the spring force of the spring 38, compresses the spring 34 and pushes the spring 34 into the groove 32. When the support piece 33 is released from the pressing of the support piece 33 by the fire pump mounting table 9, the support piece 33 protrudes inward by the elastic force of the spring 34 and supports the fire pump mounting table 9.

The embodiment shown in FIGS. 13 to 16 will be described. Groove 3 on the inner peripheral wall of concrete manhole 1
2 and a spring 34 having a support piece 33 at the tip is attached to the groove 32. The manhole 1 is provided with a bottom plate 42 composed of a net. In the vicinity of the mounting position of the bottom plate 42, a locking piece 43 for locking the fire pump mounting table 9 is projected. At the approximate center of the bottom plate 42, a water inlet 4 is formed. A fire pump mounting table 9 is attached to the lower surface of the fire pump main body 13. The fire pump mounting table 9 has a slight gap formed between the fire pump mounting table 9 and the inner wall of the manhole 1, and a net 31 having a water suction pipe insertion port 30 in the center is stretched inside the ring. Both ends of a helical spring 44 having a smaller diameter at the center than at both ends are fixed to the lower surface of the fire pump mounting table 9 and the upper surface of the bottom plate 42.

Next, the operation of the embodiment shown in FIGS. 13 to 16 will be described. The fire pump mounting table 9 is locked to the support piece 33 by the resilience of the spring 34 of the support piece 33 located at the lowest position due to the gravity of the fire pump body 13. When the support bar 33 is pressed outward by the push rod 45 and pushed into the groove 32, the fire pump mounting table 9 is raised by the elastic force of the helical spring 44. The raised fire pump mounting table 9 is supported by the support piece 33 released from pressurization by the push rod 45. The water sent from the water pipe 3 passes through the mesh of the bottom plate 42 and is stored as fire protection water 40 at the bottom of the fire protection water tank 2.

In the present embodiment, an example having four helical springs 44 has been described as an example, but the present invention is not limited to this. Also included are those to which five or more helical springs are attached.

Although the manhole cover is not shown in the embodiment described above, in order to prevent water from entering the manhole through the water hole of the manhole cover, a non-permeable member such as synthetic resin or metal is used. The present invention also encompasses a case where the firefighting pump main body is covered with a mandrel cover and then double-covered with a manhole cover.

Also, the case where the fire fighting pump body is moved up by human power or the resilience of a spring has been described as an example. However, the present invention is not limited to this. The invention also includes an invention in which the firefighting pump mounting base is moved up and down in response to the drive, and an open circuit is provided to stably hold the position of the firefighting pump mounting base at a desired position.

[0029]

According to the present invention, since a fire pump is provided in the manhole in advance, there is an effect that rapid water discharge and fire extinguishing activities can be started.

Further, since the water-absorbing pipe is suspended from the lower surface of the main body into the fire-preventive water, the water-absorbing pipe is not distorted such as a curve, the resistance in the pipe when flowing water is reduced, and the discharge amount is reduced. There is an effect that the amount can be increased.

Further, since a locking groove is provided on the inner wall of the manhole and a locking piece is continuously provided on the fire pump mounting table, the position can be raised by arm strength to a predetermined position, and the position can be maintained by a simple operation. There is an effect of obtaining.

Further, since the support rod is attached to the lower surface of the fire pump mounting table so as to be raised by the spring force of the spring, there is an effect that the fire pump can be easily moved up.

Further, since the spring is interposed between the fire pump mounting table and the bottom plate, there is an effect that the fire pump can be moved upward with a smaller force by the elastic force of the spring.

Further, since the support is configured so as to enter and exit from the groove due to the positional relationship with the fire pump mounting table, when the fire pump main body is raised, the support is smooth without obstruction. When it is raised and fixed, it protrudes from the groove to support the fire pump mounting table, so that there is an effect that the fire pump does not fall.

[Brief description of the drawings]

FIG. 1 is an explanatory view of a fire prevention water tank with a fire pump according to the present invention.

FIG. 2 is an explanatory view showing another embodiment of the fire prevention water tank with a fire pump according to the present invention.

FIG. 3 is an explanatory view showing another embodiment of the fire prevention water tank with a fire pump according to the present invention.

FIG. 4 is a plan view of FIG. 3;

FIG. 5 is a cross-sectional view of the fire pump mounting table of the embodiment shown in FIGS. 3 and 4;

FIG. 6 is an explanatory view showing another embodiment of the fire prevention water tank with a fire pump according to the present invention.

FIG. 7 is a plan view of FIG. 6;

8 is a view of a main part showing an operation state of the fire pump mounting table of the embodiment shown in FIGS. 6 and 7. FIG.

FIG. 9 is an explanatory diagram showing an operation state of the fire pump mounting table of the embodiment shown in FIGS. 6 to 8;

FIG. 10 is an explanatory view showing a state in which the fire pump mounting table is mounted on the uppermost support piece.

FIG. 11 is a main part view showing a state in which an upper end portion of a support rod is attached to a fire pump mounting table.

FIG. 12 is a view of a main part showing a mounting state of a lower end portion of the support rod.

FIG. 13 is an explanatory view showing an operation state of a fire-fighting pump mounting table showing another embodiment of the fire-fighting water tank with a fire-fighting pump of the present invention.

FIG. 14 is an explanatory view in which a fire pump mounting table is mounted on an upper support piece.

FIG. 15 is an enlarged plan view of FIG.

FIG. 16 is an enlarged sectional view taken along line AA of FIG. 14;

FIG. 17 is a perspective view showing a push rod.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Manhole 2 Fire prevention water tank 4, 30 Water intake pipe insertion port 6 Partition wall 9 Fire pump mounting table 10 Engine 11 Vacuum pump 13 Fire pump main body 14 Communication pipe 15 Water absorption pipe 26 Horizontal groove 28 Locking piece 34, 38, 44 Spring 37 Support Rod 40 Water for fire prevention 42 Bottom plate

Claims (6)

(57) [Claims] 1. A fire wall comprising an engine 10, a vacuum pump 11, a communication pipe 14, and the like, on which a partition wall 6 having a water intake pipe insertion hole 4 is provided between inner walls of a fire prevention water tank manhole 1. The water pump body 13 is attached, and the water suction pipe 15 connected to the water suction port of the communication pipe 14 is inserted into the water suction pipe insertion port 4 so that the lower end opening of the water suction pipe is positioned in the fire protection water 40. Fire tank with fire pump. 2. A water supply pipe 15 communicating with a lower end opening of a communication pipe 14 is vertically provided on a lower surface of a fire pump main body 13, and a water supply pipe insertion port 4 in which the water absorption pipe 15 is formed in a partition wall 6 is provided. The fire prevention water tank with a fire pump according to claim 1, wherein the fire prevention water tank is inserted into the fire prevention water 40 and hangs down into the fire prevention water 40. 3. A partition wall 6 having a water supply pipe insertion port 4 is attached between inner walls of the fire protection water tank 2, and a locking groove 26 is provided on an inner peripheral wall of the fire protection water tank 2 along a circumferential direction. A fire pump body 13 comprising an engine 10, a vacuum pump 11, a communication pipe 14 and the like having a water supply pipe 15 provided on the lower surface above the partition wall 6, and the fire pump body 13
On the lower surface of the lock piece 2, which is circumferentially engageable with the lock groove 26.
8 and fire-fighting pump mounting table 9 having suction pipe insertion port 30
The water suction pipe 15 is attached to the water suction pipe insertion port 30,
4 wherein the fire pump main body 13 can move up and down above the partition wall 6 together with the fire pump mounting table 9 in a state where the fire pump 4 is inserted into the fire water 40. With fire prevention water tank. 4. A supporting member is provided on the inner peripheral wall of the fire prevention water tank 2, and a partition wall 6 having a water inlet pipe insertion hole 4 is attached between the inner walls. A water absorbing pipe 15 is suspended from the lower surface above the partition wall 6. The fire pump main body 13 composed of the engine 10, the vacuum pump 11, the communication pipe 14, etc., is connected to the fire pump mounting table 9 having the water suction pipe insertion port 30, and the water suction pipe 15 is connected to the water suction pipe insertion ports 30, 4. The fire pump mounting table 9 is inserted and mounted, and a support rod 37 is attached to the fire pump mounting table 9 so as to push the fire pump mounting table 9 upward by the accumulating force of a spring 38. Fire prevention water tank with pump. 5. A supporting member is provided on the inner peripheral wall of the fire prevention water tank 2, and a water-permeable bottom plate 42 having a water-absorbing tube insertion hole 4 formed between the inner walls is attached. The fire-absorbing pipe 15 is attached to the fire-fighting pump mounting base 9 having the water-absorbing pipe insertion port 30 by connecting the fire-absorbing pipe 15 to the fire-absorbing pipe insertion port. 30 and 4
A spring 44 is provided between the fire pump mounting table 9 and the bottom plate 42.
Wherein the fire pump mounting table 9 is moved upward by the elastic force of the spring 44. 6. The manhole 1 according to claim 4, wherein the support according to claim 4 or 5 is brought into contact with or released from the fire pump mounting table 9.
The fire prevention water tank with a fire pump according to claim 4 or 5, characterized in that it is configured to enter and exit the inside of the groove (32) facing the inner peripheral wall of the fire prevention pump.