JPH1047238A - Float pump - Google Patents

Abstract

(57) [Summary] [Problem] The sea under severe water use conditions with a large head
Provided is a float pump that can take water from a water supply source such as a pond or a river and pump it up to land. SOLUTION: An engine pump unit 1 for driving a pump 4 by a pump driving engine 5 and a floating device 2 for floatingly supporting the engine pump unit 1 on the water surface, and the engine pump unit 1 is supplied by the floating device 2 with a water supply source. When the pump 4 is driven by the pump driving engine 5 of the engine pump unit 1 in a state of being suspended and supported on the surface of the water, the water of the water supply source is sucked by the pump 4 of the engine pump unit 1 and the water is pumped. The water is sent by the action of pushing.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a float pump used for pumping water from a water supply source such as a sea, a pond, a river, etc., to land.

[0002]

2. Description of the Related Art In general, when performing fire fighting activities, there are cases in which water is taken out from a fire hydrant and discharged, and cases in which water is taken out from a water supply source such as the sea, a pond, and a river.

[0003] When water is taken out from a water supply source such as the sea, a pond, or a river, a method of pumping water from a water supply source with a water pump installed on land to discharge water is most commonly used. .

[0004]

By the way, a water discharge operation performed by pumping water from a water supply source such as a sea, a pond, or a river by a lift pump placed on land depends on a head between the ground and the water surface. . In other words, the suction capacity of the pump can be relatively long in the horizontal direction, but relatively short vertically below the ground, up to about 7 m. Is impossible. Therefore, when there is no head exceeding the suction range of the pump (when the head is 7 m or less), water can be discharged from the water supply source by pumping water from the water source to the land, but the water can be discharged. If there is a waterfall (when the head is 7 m or more), it is impossible to pump water from the water supply source to the land with a water pump, and water discharge work is not possible. In particular, at the time of a disaster that requires water intake from a water supply source such as the sea, a pond, a river, or the like, the head between the ground and the water surface may become large under various adverse conditions.

Therefore, in pumping water from a water supply source such as the sea, a pond, a river, etc. to the land and discharging the water, the most important issue is to pump the water to the land even in a water supply source under severe water use conditions with a large head. is there.

[0006] The present invention has been proposed in view of the above problems, and has as its object to provide a float pump that can pump water to a land even under a severe water supply condition with a large head.

[0007]

In order to achieve the above-mentioned object, the present invention provides an engine pump unit for driving a pump with a pump driving engine and a floating device for floatingly supporting the engine pump unit on the water surface. To provide a float pump.

In the float pump, the pump of the engine pump unit and the engine for driving the pump are housed in a case, and a water suction pipe provided in a bottom surface of the case is connected to a water suction pipe of the pump of the engine pump unit. In addition, a water discharge pipe of the pump of the engine pump unit is connected to a water discharge port provided on one side surface of the case.

In the above-mentioned float pump, the floating device is constituted by a frame for supporting an engine pump unit, and a float mounted on the left and right sides of the frame for floating a contractible / expandable water surface.

In a float pump comprising an engine pump unit for driving a pump by a pump driving engine and a floating device for floatingly supporting the engine pump unit on a water surface, the engine for driving the pump of the engine pump unit is provided in a case. And a pump of the engine pump unit is attached to a lower frame integrally attached to the outside and lower part of the case, and a contractible / expandable float is attached to left and right sides of the lower frame.

In the float pump, a remote control antenna is provided in the engine pump unit, and a control box for controlling a pump driving engine of the engine pump unit based on a signal from the remote control antenna is provided. It is.

Further, in the float pump, display means for a pump driving engine of the engine pump unit is provided.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. 1 is a front view of the float pump A of this embodiment, FIG. 2 is a plan view of the same, FIG. 3 is a side view of the same, and FIG. 4 is a longitudinal section of a main part of the engine pump unit 1 in the float pump A of this embodiment. FIG. 5 is an internal plan view of the engine pump unit 1.

As shown in FIGS. 1 to 3, the float pump A of this embodiment includes an engine pump unit 1 and a floating device 2 that supports the engine pump unit 1 on water.

As shown in FIGS. 4 and 5, the engine pump unit 1 has a jet pump 4 with a built-in impeller disposed at the inner bottom of the case 3, and a water absorption pipe 4 a of the jet pump 4 attached to the bottom of the case 3. Water inlet 3 provided
a and the jet pipe 4b of the jet pump 4
Is connected to a water outlet 3b provided on the rear side surface of the case 3, and the pump shaft 4c of the jet pump 4 is connected to an output shaft (not shown) of a pump driving engine 5 disposed above the jet pump 4. And the pump shaft 4 of the jet pump 4
By driving the impeller 4d attached to the pump shaft 4c through the casing c in the casing 4e via
Water is sucked into the casing 4e from the water inlet 3a of the case 3 through the water suction pipe 4a of the jet pump 4, and this water is pressurized in the casing 4e by the impeller 4d and discharged from the casing 4e to the water outlet 3b through the water discharge pipe 4b.
From the nozzle.

The case 3 is made of a durable material, for example, FRP or the like, and is formed in a rectangular shape with a bottom, and an intermediate portion on the outer surface thereof is provided with an engaging step 3c for engaging the floating device 2. Have been. A lid 3d is attached to the upper end opening of the case 3 so as to be openable and closable, and a remote control antenna 6, a fuel remaining amount warning light 7, a throttle operation confirmation light 8 and an overheat warning light 9 are provided on the cover 3d. I have. Further, inside the case 3, a control box 10 for controlling and displaying the engine 5 for driving the pump, and the control box 1
A battery 11 serving as a power supply for the power supply 0 is provided. The control box 10 starts / stops the pump driving engine 5 and adjusts the throttle based on a signal from a remote controller (not shown) received via the remote controlling antenna 6, and controls the fuel remaining of the pump driving engine 5. When the amount is low, the fuel remaining amount warning light 7 is lit to warn, or when the throttle is operated at the time of adjusting the throttle of the pump driving engine 5, the throttle operation confirming light 8 is lit to confirm. When 5 is about to overheat, an overheat warning light 9 is lit to warn. Further, a water-absorbing strainer 12 is attached to the case 3 so as to cover a water-absorbing port 3a provided on a bottom surface of the case 3 so that the jet pump 4 does not suck in dust or the like.

The floating device 2 locks the stepped portion 3d of the case 3 to the frame 13 so that the engine pump unit 1
And a fuel tank 14 of the pump driving engine 5 of the engine pump unit 1 is also supported by the frame 13, and floats 15, 15 are attached to the left and right sides of the frame 13. Float 15, 15
The bag has a bag-like shape and is capable of contracting and expanding. When not in use, it is contracted to be compact, and when in use, a buoyant gas is injected into the inside through an inlet (not shown) provided in a part to expand it. This allows them to float on water.

Next, the operation of the float pump A of this embodiment will be described.

First, the engine pump unit 1 is carried to a water supply source and supported on land by the frame 13 of the floating device 2, and the floats 15, 15 of the floating device 2 are supported.
A float pump A is assembled by injecting a buoyant gas into the inside and inflating the floats 15 and 15. Then, Case 3
When the float pump A is supplied to a water supply source such as the sea, a pond, a river, or the like, with a water supply hose (not shown) connected to the water supply port 3b of the floating device 2, the float pump A The unit 1 floats on the water surface W of the water supply source while being supported by the frame 13 of the floating device 2.

When a start signal is sent from the land by a remote controller in a state where the float pump A is floated on the water surface W of the water source, the control box 10 receives the start signal via the remote control antenna 6 and receives the start signal. The control box 10 is turned on by the signal
To start. As a result, the jet pump 4 is driven to suck water from the water suction port 3a of the case 3, and the water is pressurized by the jet pump 4 and discharged from the water supply port 3b of the case 3, thereby directly discharging water through a water supply hose. Or relay water to fire trucks and fire tanks on land.

The float pump A is provided with a jet pump 4 for absorbing and sending water from a water supply source by a jet pump 4 of an engine pump unit 1 suspended and supported by a water supply source such as the sea, a pond, or a river by a floating device 2. It is possible to pump a large amount of water from the water supply source to the land even under severe water conditions where there is a large drop of 7 m or more between the water surface W of the water source such as the sea, pond, river, etc. is there.

In the float pump A, the stability of the engine pump unit 1 is improved by mounting the floats 15, 15 on the left and right sides of the frame 13 of the floating device 2 for floatingly supporting the engine pump unit 1. There is no danger of overturning due to waves or the like, and stable water supply is possible.

In addition, the float pump A can separate the engine pump unit 1 and the floating device 2, and the floats 15, 15 of the floating device 2 can be contracted and expanded, so that it is convenient to carry. At the same time, it can be made compact when storing, so it doesn't take up much space.

Further, in the float pump A, since the pump driving engine 5 of the engine pump unit 1 can be remotely controlled, the pump driving engine 5 of the engine pump unit 1 can be operated from a land or a distant position. At the same time, the state of the pump driving engine 5 of the engine pump unit 1 can be grasped by the fuel remaining amount warning light 7, the throttle operation confirmation light 8 and the overheat warning light 9, and can be responded to.

FIGS. 6 to 8 show a float pump A 'of another embodiment. Members or portions substantially the same as those of the float pump A of the embodiment shown in FIGS. 1 to 5 are denoted by the same reference numerals, and the description of the same items will be omitted. In the float pump A ′ of this embodiment, the case 3 ′ is formed to have a size that can accommodate only the pump driving engine 5 of the jet pump 4 and the pump driving engine 5 of the engine pump unit 1. A lower frame 16 is attached to the lower part of the outside of the case 3 'by appropriate means, and the pump driving engine 5 is accommodated in the case 3' and fixed to the bottom by appropriate means. The floats 15 and 15 are bound to both sides of the lower frame 16 by a binding member such as a cloth band or a cloth string. Further, a water-absorbing strainer 12 'is attached to the water-absorbing pipe 4a so that the jet pump 4 does not suck in dust and the like. The case 3 'is provided with a remote control antenna 6 and warning lights 7, 8, and 9 on a cover 3d', respectively, as well as the float pump A of the embodiment shown in FIGS. A control box 10 for controlling and displaying the control engine 5 and a battery 11 serving as a power supply for the control box 10 are provided, and a remote control (not shown) received by the control box 10 via the remote control antenna 6 is provided.
The pump driving engine 5 based on the signal from
The engine is stopped and the throttle is adjusted. When the fuel level of the pump driving engine 5 becomes low, the fuel level warning lamp 7 is illuminated to warn the user. The operation confirmation light 8 is turned on to confirm the operation, and when the pump driving engine 5 is about to overheat, the overheat warning light 9 is turned on to give a warning.

The float pump A 'of this embodiment comprises a water discharge pipe 4b of the jet pump 4 of the engine pump unit 1.
With a water supply hose (not shown) connected,
Float 1 when injected into water sources such as the sea, ponds, and rivers
The jet pump 4 of the engine pump unit 1 is submerged in the water by the pumps 5 and 15, and the pump driving engine 5 is floated on the water surface W of the water supply source while being housed in the case 3 ', and the engine is operated by remote control operation from land. When the jet pump 4 is driven by the pump driving engine 5 of the pump unit 1, the water of the water supply source is supplied to the jet pump 4.
The water is directly discharged through a water supply hose by the pushing action of the jet pump 4 or relayed to a fire truck or fire tank on land.

The float pump A 'of this embodiment is constructed such that the case 3' is connected to the jet pump 4 of the engine pump unit 1.
By reducing the size of the pump driving engine 5 to a size that can be accommodated only by the pump driving engine 5, the engine pump unit 1 can be reduced in weight, and the float pumps 15 and 15 are accordingly reduced in size. It has a practical advantage that it can be reduced in weight, is convenient for handling and carrying, and takes up little space when stored.

In each of the above-described embodiments, the portable device is carried to the water supply source. However, the portable device can be set to the self-propelling means and can be self-propelled to the water supply source.

In the above embodiment, the jet pump 4
However, the present invention can be applied to a pump other than the jet pump 4.

Further, if an extension hose is connected to the fuel tank 14 and fuel is supplied to the fuel tank 14 through the extension hose, the fuel tank 14 can be used continuously for a long time.

[0031]

As described above, according to the present invention,
Since the water from the water supply source is absorbed and pumped by a pump floating on the water source such as the sea, pond, river, etc., the pump is pushed in and the water between the water surface of the water source, such as the sea, pond, river, etc., and the ground is 7m. Even under severe water conditions with the above-mentioned large head, it is possible to pump a large amount of water from the water supply source to the land,
Floats are provided on both the left and right sides of the pump, which improves the stability of the pump and enables stable water supply without overturning, and is compact, convenient to carry, and on land or in remote locations. The pump can be reliably remote-controlled by a remote controller, and can exhibit excellent characteristics as this type of pump.

[Brief description of the drawings]

FIG. 1 is a front view of a float pump according to the present invention.

FIG. 2 is a plan view of the float pump of the present invention.

FIG. 3 is a side view of the float pump of the present invention.

FIG. 4 is a longitudinal sectional view of a main part of an engine pump unit in the float pump of the present invention.

FIG. 5 is an internal plan view of an engine pump unit in the float pump according to the present invention.

FIG. 6 is a vertical sectional view of a main part of a float pump according to another embodiment of the present invention.

FIG. 7 is a longitudinal sectional view of a main part of a side surface of an engine pump unit in a float pump according to another embodiment of the present invention.

FIG. 8 is an internal plan view of an engine pump unit in a float pump according to another embodiment of the present invention.

[Explanation of symbols]

 Reference Signs List A Float pump 1 Engine pump unit 2 Floating device 3, 3 'Case 4 Jet pump 5 Pump driving engine 6 Remote control antenna 7 Fuel remaining amount warning light 8 Throttle operation confirmation light 9 Overheat warning light 10 Control box 11 Battery 12 Water absorption strainer 13 Frame-shaped frame 14 Fuel tank 15 Float 16 Lower frame W Water surface of water supply source

Claims (6)

[Claims] 1. A float pump comprising: an engine pump unit that drives a pump with a pump driving engine; and a floating device that floats and supports the engine pump unit on a water surface. 2. A pump and an engine for driving a pump of the engine pump unit are housed in a case, and a water suction pipe provided on a bottom surface of the case is connected to a water suction pipe of the pump of the engine pump unit. The float pump according to claim 1, wherein a water discharge pipe of the pump of the engine pump unit is connected to a water discharge port provided on one side surface. 3. The floating device according to claim 1, wherein the floating device comprises a frame for supporting the engine pump unit, and a float mounted on the left and right sides of the frame for floating the contractible / expandable water surface. Float pump. 4. An engine for driving a pump of the engine pump unit is housed in a case, and a pump of the engine pump unit is mounted on a lower frame integrally mounted on a lower side of the outside of the case. The flow pump according to claim 1, wherein contractible / expandable floats are attached to both left and right sides. 5. The engine pump unit further comprises a remote control antenna, and a control box for controlling a pump driving engine of the engine pump unit based on a signal from the remote control antenna. Item 6. The float pump according to any one of Items 1 to 4. 6. The float pump according to claim 1, further comprising display means for displaying a pump driving engine of the engine pump unit.