JP2001122011A - Drainage pump vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a drainage pump vehicle capable of additionally loading of drain pump, increasing the number of loading, converting the specification to a large capacity specification and improved in the draining ability while increasing the drain capacity. SOLUTION: In addition to a self-traveling first engine E1, a second engine E2 is separately loaded, and the output of the first engine E1 operated in the condition that a drainage pump vehicle 1 is stopped and the output of the second engine E2 is selected separately or simultaneously for input. Plural portable light submerged pumps 2 for driving a power generating device 4 with the output of a motive power outputting device 10 and having a motor 3 to be driven by the power supplied from the power generating device 4 are provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drainage pump truck suitable for emergency drainage in the event of a water disaster, drainage for temporary civil engineering work, or water supply and drainage for agriculture.

[0002]

2. Description of the Related Art A plurality of submersible pumps 2 are mounted on a carrier 1A of a drainage pump truck 1 suitable for emergency drainage in the event of a water disaster, temporary drainage for civil engineering works or supply and drainage for agriculture shown in FIGS. A power generator 4 for supplying electric power to a motor 3 incorporated in each of these submersible pumps 2,
An operation panel 5 interposed between the power generator 4 and the electric motor 3
And a power take-off (PTO) clutch-equipped power take-off device, hereinafter referred to as a power take-off device # 10, and the output of a self-propelled engine 1E that is operated with the drain pump 1 stopped. And a drain hose 6 connected to the discharge side of the submersible pump 2 so as to be able to transmit power to the power generator 4 through the power take-off device 10 to generate power.
And the power generator 4 and the operation panel 5, and the operation panel 5 and the electric motor 3
And a cable 7 for electrically connecting the cable and the like.

[0003] The drainage pump truck 1 is driven by the self-propelled engine 1E to a drainage or water supply / drainage site and stopped. Here, the power generator 4 and the operation panel 5 and the operation panel 5 and the electric motor 3 are electrically connected by the cabtire cable 7, and the drainage hose 6 is connected to the discharge side of the submersible pump 2. The output of the self-propelled engine 1E which is put into the water and operated in the stopped state of the drainage pump car 1 is transmitted to the power generator 4 via the power take-out device 10 to generate electric power, and the electric power is supplied to the electric motor 3. Then, drainage is performed by operating the submersible pump 2. Naturally, a main floodlight 8 for lighting is mounted for nighttime work, and an auxiliary floodlight for spot lighting (not shown) is also mounted on the drainage pump truck 1.

[0004]

However, even if there is a demand for increasing the drainage capacity of the drainage pump truck to increase the drainage capacity, the maximum output of the power take-off device and the power generation device by the maximum output of the self-propelled engine E1 are required. The upper limit of power generation capacity is determined,
The displacement of the submersible pump loaded is determined by the upper limit of the power generation capacity. For this reason, there is a problem that the drainage capacity of the drainage pump truck cannot be increased due to an increase in the number of mounted submersible pumps or conversion to a large-capacity specification, and the drainage capacity cannot be increased.

Accordingly, an object of the present invention is to provide a drainage pump truck capable of increasing the drainage capacity by increasing the amount of drainage from a value determined by the maximum output of the self-propelled engine.

[0006]

In order to achieve the above object, a drainage pump truck according to the first aspect of the present invention is used for emergency drainage in case of a water disaster, temporary construction work drainage, or agricultural water supply and drainage. Self-propelled drainage pump truck
A second engine is separately mounted in addition to the engine, and the output of the self-propelled first engine and the output of the second engine that are operated in a stopped state of the drainage pump truck are individually or simultaneously selected. A power take-out device capable of taking in and outputting is installed, and an operating energy supply source of a pump driven by an output of the power take-out device is mounted, and driven by energy supplied from an operation energy supply source of the pump. And a drain motor provided with a pump motor.

Further, as in the invention according to claim 2, the operating energy supply source of the pump can be constituted by a power generator, and the pump prime mover can be constituted by an electric motor.

Further, as in the invention according to claim 3,
The operating energy supply source of the pump may be constituted by a hydraulic pump, and the pump prime mover may be constituted by a hydraulic motor.

According to the first aspect of the present invention, the drainage amount of the drainage pump truck is set to a value corresponding to the maximum output of the second engine mounted separately from the value determined by the maximum output of the first engine for self-propelled operation. Can increase.

[0010]

An embodiment of the present invention will be described below with reference to the drawings. Note that the same or corresponding parts as those in the conventional example of FIGS. 11 and 12 are denoted by the same reference numerals and described. 1 and 2, a truck-type drainage pump truck 1 has a self-propelled first engine 1 below a driver's seat, for example.
E is stored and mounted, and the output of the first engine 1E is transmitted to the drive wheels 9 via a well-known power transmission system to drive or stop the drainage pump truck 1. A plurality of portable lightweight submersible pumps 2 are loaded on the loading platform 1A of the drainage pump truck 1, and a power generator 4 for supplying electric power to an electric motor 3 incorporated in the lightweight submersible pump 2; An operation panel 5 that is electrically connected is mounted. Also, a plurality of drainage hoses 6 detachably connected to the discharge side of the lightweight submersible pump 2 and a cabtire cable 7 for electrically connecting the operation panel 5 and the electric motor 3 are loaded.
These are stored in the storage space 11 provided in the carrier 1A together with the plurality of lightweight submersible pumps 2.

On the other hand, a second engine 2E made of a diesel engine and a power take-out device 10 are mounted on a bed 1A of the drainage pump truck 1. The power take-out device 10
The output of the self-propelled first engine 1E and the output of the second engine 2E that are operated in a stopped state of the drainage pump car 1 can be selectively or separately taken in and output. The power generation device 4 is driven by the output of the power take-out device 10. That is, the power take-out device 1
0 drives the power generating device 4 by taking in the output of the first engine 1E, drives the power generating device 4 by taking in the output of the second engine 2E, or performs a switching operation of a plurality of built-in clutches, or The output of the first engine 1 </ b> E and the output of the second engine 2 </ b> E can be simultaneously taken in to drive the power generator 4.

In the above configuration, when the truck-type drainage pump truck 1 travels to the vicinity of the drainage or water supply / drainage site and stops, the required number of lightweight submersible pumps 2 is separately lowered from the storage space 11 by a crane truck, etc. The distal end of the drain hose 6 is detachably connected to the discharge side, and the rear end of the drain hose 6 faces the discharge area.
After electrically connecting the electric motor 3 of the lightweight submersible pump 2 with the cabtire cable 7, the lightweight submersible pump 2 is put into the water, and according to the number of the put lightweight submersible pumps 2,
The first engine 1E and the second engine 2E are individually or simultaneously selected and activated to drive the power generator 4 and operate the operation panel 5 to operate the lightweight submersible pump 2. Drain.

That is, the output of the power take-off device 10 is increased by an amount corresponding to the maximum output of the second engine E2 mounted separately from the value determined by the maximum output of the self-propelled engine E1, and To increase the upper limit of the power generation capacity. For this reason, the lightweight submersible pump 2
Can be increased, and the drainage amount of the drainage pump truck 1 is increased by a value corresponding to the maximum output of the second engine E2 mounted separately from the value determined by the maximum output of the self-propelled engine E1. Can be. The output of the power take-off device 10 is set to a low output range when the second engine E2 is operated alone, a middle output range when the self-propelled first engine E1 is operated alone, or to the first, It is also possible to increase the economical efficiency of the drainage operation by adjusting to three stages of the high output region during the simultaneous operation of the second engines E1 and E2.

At the end of the draining operation, the operation of the lightweight submersible pump 2 is stopped by operating the operation panel 5, and the first engine 1E and the second engine 2E, which are operating separately or simultaneously, are stopped. After stopping the power generation device 4, the lightweight submersible pump 2 is pulled up from the water by a crane truck or the like.
And the captive cable 7 are removed, and the lightweight submersible pump 2, drainage hose 6, and captive cable 7 are removed.
And the like are individually stored in the storage space 11 and loaded on the loading platform 1A.

FIGS. 3 and 4 show another embodiment of the present invention, in which the same or corresponding parts as in the first embodiment of the present invention are denoted by the same reference numerals and detailed description is omitted. I do. 3 and 4, a hydraulic pump 12 driven by the output of the power take-off device 10 is mounted, and pressure oil supplied from the hydraulic pump 12 is once sent to an oil supply unit 5 'by a hydraulic hose 14, From here, the hydraulic hose 14 is supplied to the hydraulic motor 13 incorporated in the lightweight submersible pump 2 to operate the lightweight submersible pump 2.

With such a configuration, when the truck-type drainage pump truck 1 arrives near the edge of the drainage or water supply / drainage site and stops, the required number of lightweight submersible pumps 2 is lowered from the storage space 11 by a crane truck or the like. The tip of the drain hose 6 is detachably connected to each discharge side,
With the rear end of the drain hose 6 facing the discharge area, the operation panel 5 and the hydraulic motor 13 of the lightweight submersible pump 2 are connected by a hydraulic hose 14, the lightweight submersible pump 2 is put into water, First engine 1 according to the number of pumps 2
The hydraulic pump 12 is driven by selecting and starting the E and the second engine 2E separately or simultaneously, and the lightweight submersible pump 2 is driven and drained by operating the refueling unit 5 '. .

That is, it is possible to increase the output of the power take-out device 10, drive the large-capacity hydraulic pump 12, and increase the upper limit of the supply amount of the hydraulic oil. Therefore, similarly to the embodiment described with reference to FIGS. 1 and 2, the number of light submersible pumps 2 to be mounted can be increased, and the drainage capacity of the drainage pump truck 1 can be increased, thereby increasing the drainage capacity. At the same time, the economics of drainage operation can be improved.

Alternatively, the configuration may be as shown in FIGS. That is, the bed 1A of the truck-type drainage pump truck 1
, A large-sized parent pump 15 having an electric motor 19 is mounted, and a plurality of human-powered lightweight submersible pumps 2 are mounted. A suction pipe 16 branched in a bifurcated U-shape is connected to the suction side of the parent pump 15.
The suction valve 17 includes a plurality of check valves that communicate with the inside of the suction pipe 6 and allow only the flow toward the inside of the suction pipe 16 and block the flow of the flow from the inside of the suction pipe 16 to the outside. Is installed. Also, a flow control valve 15A is provided on the discharge side of the parent pump 15,
At the time of operation 5, the drainage hose 18 indicated by a two-dot chain line is detachably connected to the outlet of the flow control valve 15A. The collective drain hose 18 is used to store the storage space 11 when not in use.
Is stored in

The power generator 4 is driven by the output of the power take-off device 10. The electric power supplied from the power generation device 4 is once sent to the operation panel 5 by the cab tire cable 7,
From here, the cable 19 is supplied to the motor 19 of the parent pump 15 and the motor 3 of the lightweight submersible pump 2 by the cable 7.
The parent pump 15 and the lightweight submersible pump 2 are operated.

In the above construction, when the truck-type drainage pump truck 1 travels to the vicinity of the edge of the drainage or water supply / drainage site and stops, the collective drainage hose 1
8 is connected. On the other hand, as shown in FIG.
1 (however, FIG. 7 shows a state in which one lightweight submersible pump 2 has been lowered), the tip of a drain hose 6 is detachably connected to the discharge side, and the rear end of the drain hose 6 is connected. The part is detachably connected to any of the plurality of suction valves 17 and is opened. After electrically connecting the operation panel 5 to the electric motor 3 of the lightweight submersible pump 2 and the operation panel 5 to the electric motor 19 of the parent pump 15 by means of the cabtire cable 7, the lightweight submersible pump 2 is put into the water. 1 engine 1E and 2nd
The generator 2 is driven by selecting and starting the engine 2E separately or simultaneously, and the main pump 15 and the submersible pump 2 are simultaneously operated by operating the operation panel 5. As a result, the water pumped up within the range of the head of the submersible pump 2 is sucked up by the parent pump 15 and pushed up by the parent pump 14 to collect the drainage hose 18
Drain from

That is, the output of the power take-out device 10 can be increased to drive the large-capacity power generation device 4 to increase the upper limit of the power generation capacity. Accordingly, it is possible to increase the number of light water submersible pumps 2 to be mounted, to additionally mount the parent pump 14 and to change the specifications to increase the pump capacity, and to increase the amount of drainage of the drainage pump car 1 to increase the drainage capacity. At the same time, the economics of the drainage operation can be improved for the same reason as in the embodiment of FIGS.

At the end of the draining operation, the operation of the lightweight submersible pump 2 and the parent pump 15 is stopped by operating the operation panel 5, and the power generator 4 is stopped by stopping the first and second engines E1 and E2. The lightweight submersible pump 2 is pulled out of the water by the human power of each person, and here the drainage hose 6 and the cabtire cable 7
And the like, and separately store the lightweight submersible pump 2, the drain hose 6, the cabtire cable 7, etc.
And loaded on the carrier 1A. Before and after this work, the collective drainage hose 18 is removed from the large boost pump 14 and stored in the storage space 11.

Further, the configuration may be as shown in FIGS. That is, the hydraulic pump 12 is driven by the output of the power take-out device 10. The hydraulic oil supplied from the hydraulic pump 12 is once sent to an oil supply unit 5 ′ by a hydraulic hose 14, and then supplied to the hydraulic motor 20 of the parent pump 15 and the hydraulic motor 13 of the lightweight submersible pump 2 by the hydraulic hose 14. Thus, the parent pump 15 and the lightweight submersible pump 2 are operated.

With such a configuration, as shown in FIG.
The required number of lightweight submersible pumps 2 is lowered from the storage space 11 by the power of one worker, the tip of the drain hose 6 is detachably connected to the discharge side, and the rear end of the drain hose 6 is connected to a plurality of suction valves 17. The valve is opened by detachably connecting to any of the above. Also, the refueling unit 5 'and the lightweight submersible pump 2
After connecting the hydraulic motor 13 with the hydraulic hose 14,
The lightweight submersible pump 2 is put into the water and the first engine 1E
The hydraulic pump 12 is driven by selectively and independently starting the second engine 2E and the second engine 2E, and the parent pump 15 and the submersible pump 2 are simultaneously operated by operating the refueling unit 5 '. . As a result, the water pushed up within the range of the head of the submersible pump 2 is sucked up by the parent pump 15, pushed up by the parent pump 14, and drained from the collective drainage hose 18.

That is, it is possible to increase the output of the power take-off device 10 to drive the large-capacity hydraulic pump, thereby increasing the upper limit of the supply amount of the hydraulic oil. Therefore, if there is a margin for the maximum loading weight, it is possible to increase the number of light water pumps 2 to be mounted, to additionally mount the parent pump 14 and to change the specifications to increase the pump capacity, and to increase the drainage volume of the drainage pump truck 1. The drainage capacity can be increased,
For the same reason as in the embodiment of FIG. 6, the economy of the drainage operation can be improved.

As shown in FIG. 10, in addition to an output shaft for driving the power generator 4 or the hydraulic pump 12 in the power take-off device 10, an output shaft 21 for driving the parent pump shown by a two-dot chain line.
If the main shaft 15B of the main pump 15 is connected to the output shaft 21 and the main pump 15 is directly driven by the power take-off device 10, the motor-driven main pump 15 is required. The electric motor 19 is unnecessary, and the hydraulic motor 20 required for the hydraulic motor-driven parent pump 15 is not required, so that the structure of the parent pump 15 can be simplified.

[0027]

As described above, in the drainage pump truck according to the present invention, the amount of water discharged from the drainage pump truck is set separately from the value determined by the maximum output of the first engine for self-propelled use. And the drainage capacity of the drainage pump truck can be increased.

[Brief description of the drawings]

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

FIG. 2 is a plan view of FIG.

FIG. 3 is a side view showing another embodiment of the present invention.

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

FIG. 5 is a side view showing a different embodiment of the present invention.

FIG. 6 is a plan view of FIG. 5;

FIG. 7 is a conceptual diagram of a drainage situation at a drainage site.

FIG. 8 is a side view showing still another embodiment of the present invention.

FIG. 9 is a plan view of FIG.

FIG. 10 is a plan view showing a modification of the parent pump drive structure.

FIG. 11 is a side view of a conventional example.

FIG. 12 is a plan view of FIG. 11;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Drainage pump truck 2 Portable lightweight underwater pump (drainage pump) 3 Electric motor (pump motor) 4 Power generation device (pump operating energy supply source) 10 Power take-out device 12 Hydraulic pump (pump operation energy supply source) 13 Hydraulic motor ( Pump motor) 15 Parent pump (drain pump) E1 Self-propelled first engine E2 Separately mounted second engine

Claims (3)

[Claims] 1. A drainage pump truck used for emergency drainage in the event of a water disaster, civil engineering temporary construction drainage or agricultural water supply and drainage, wherein a second engine is separately mounted in addition to the first engine for self-propelled operation. A power take-out device that can take in and output the output of the first engine for self-propelled operation and the output of the second engine that are operated in a stopped state of the pump car, either separately or simultaneously, is provided. A driving energy supply source for a pump driven by the output of the power take-off device is mounted, and a drainage pump provided with a pump motor driven by energy supplied from the operation energy supply source for the pump is provided. A drainage pump truck characterized by the following. 2. The drainage pump truck according to claim 1, wherein an operating energy supply source of the pump is constituted by a power generator, and the pump motor is constituted by an electric motor. 3. The drainage pump truck according to claim 1, wherein the operating energy supply source of the pump is constituted by a hydraulic pump, and the pump motor is constituted by a hydraulic motor.