JP2001182030A - Drain pump equipment and draining method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide drain pump equipment having a drain pump capable of self-traveling and a draining method using this drain pump equipment. SOLUTION: In this drain pump equipment 2 constituted as a moving body capable of mounting a submerged pump unit 30 having a submerged pump 32 and a float 34 and a drain hose 24 connected to the submerged pump, the moving body is provided with an arm 20 turnably arranged in this moving body and capable of carrying the drain pump unit 30, and the drain pump unit 32 is provided with a propelling means and a direction control means.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to a flooded river,
The present invention relates to a drainage pump system and a drainage method used for drainage work from a flooded area or the like.

[0002]

2. Description of the Related Art When a river overflows due to heavy rain during a rainy season or a typhoon, flooding a house, a road or the like, or flooding a crossing underpass, urgent drainage work is required. For example, when a river rises, water is taken from a river that is likely to overflow and drained to another river that is not likely to overflow (hereinafter referred to as “safety river”).

FIG. 12 is a configuration diagram of a drain pump facility used in such a case. This drainage pump equipment 10
0 is configured as a movable drainage pump truck.
The drainage pump equipment 100 has a chassis 102 and a chassis 1
02 are provided with hydraulically driven position fixing legs 104 at the front and rear portions. A first arm 106a and a second arm 1
06b and a hydraulically driven multi-joint arm 106 composed of a third arm 106c. Also,
An electric submersible pump 108 used as a drain pump can be mounted on the rear end of the chassis 102, and a drain hose 110 connected to the submersible pump 108 can be mounted on the side of the articulated arm 106. ing.

[0004] In the drainage pump equipment 100, an electric submersible pump 108 is installed at a place to be drained by extending the articulated arm 106 and being connected to a distal end of the articulated arm 106 by a hanging wire.

[0005]

However, in the above-described drainage pump equipment 100, the articulated arm 106
As a result, the drainage pump 108 is laid at the place to be drained, so that the layable range depends on the length of the articulated arm 106, and it may be difficult to lay the drainage pump 108 at the optimum laying position. That is, when draining is performed by the submersible pump 108, the water intake port needs to be located at a predetermined depth from the water surface.
When the water level in a range close to 0 is lowered, drainage may be difficult. In such a case, it is necessary for the worker to transport the submersible pump 108 by a boat or the like and to re-install the sub-pump at an optimum laying position.

An object of the present invention is to provide a drainage pump having a self-propelled drainage pump and a drainage method using the drainage pump.

[0007]

According to a first aspect of the present invention, there is provided a drainage pump device comprising a drainage unit having a drainage pump unit having a drainage pump and a float, and a drainage hose connected to the drainage pump. In the pump equipment, the moving body includes an arm that is pivotably disposed on the moving body and that can transport the drain pump unit, and the drain pump unit includes a propulsion unit and a direction control unit. .

[0008] In the drainage pump equipment according to the first aspect, the drainage pump unit is charged into the flooded area by the arm provided on the moving body. Thereafter, the drainage pump unit is made to run by the propulsion means and the direction control means provided in the drainage pump unit, and is moved to an optimal position for performing drainage work. Accordingly, the drainage pump unit can be moved and laid easily and quickly and safely by a small number of workers to the optimum position in the flooded area.

Further, the drainage pump equipment according to claim 2 is
The said moving body of the drainage pump equipment of Claim 1 is provided with a compressor, The said propulsion means and the said direction control means are the compressed air compressed by the said compressor from the propulsion / direction control nozzle provided in the said drainage pump unit. It is characterized by spouting.

According to the second aspect of the present invention, the compressed air compressed by the compressor is ejected from the propulsion / direction control nozzle provided in the drain pump unit, thereby propelling and directing the drain pump unit. Control can be performed.

The drainage method according to a third aspect of the present invention provides a drainage pump,
Charging a drainage pump unit provided with a float, a propulsion means and a direction control means into a flooded area, and causing the drainage pump unit to run by the propulsion means and the direction control means of the drainage pump unit at a predetermined location in the flooded area. , A step of mooring the drainage pump unit, and a step of draining a flooded area by the drainage pump of the drainage pump unit.

According to this drainage method, the drainage pump unit is driven by the propulsion means and the direction control means provided in the drainage pump unit, and the drainage pump reaches an optimal position for performing drainage work. In order to move the unit, the drainage pump unit can be moved and laid easily and quickly and safely by a small number of workers to an optimum position in the flooded area. Therefore, the drainage operation can be performed easily and quickly and safely.

[0013] The drainage method according to the fourth aspect of the present invention provides a drainage pump,
Introducing a drainage pump unit having a float and two mooring wires into a flooded area; and propelling the drainage pump unit by a discharge reaction force of the drainage pump, and lengthening each of the two mooring wires. Adjusting the propulsion direction of the drainage pump unit by adjusting the drainage pump unit with a winch provided in the drainage pump facility, and moving the drainage pump unit by the mooring wire after the drainage pump unit moves to a desired position. A step of mooring; and a step of draining a flooded basin by the drainage pump of the drainage pump unit.

According to the drainage method of the fourth aspect, it is not necessary to provide a special propulsion means for propelling the drainage pump unit by the discharge reaction force of the drainage pump.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A drain pump system according to a first embodiment of the present invention will be described below with reference to FIGS. FIG. 1 is a perspective view of a drainage pump facility 2 according to this embodiment. As shown in the figure, the drainage pump equipment 2 is configured as a movable drainage pump truck. This drainage pump equipment 2 is based on a chassis 10 of a 11-12 ton vehicle, and has a total displacement of 30 m ³ / min.
Two submersible pump units (drain pump units) 30 each having a submersible pump (drain pump) 32 are mounted.

Hydraulically driven position fixing legs 12 are provided at the front and rear portions of the chassis 10 of the drainage pump equipment 2. At the rear end of the chassis 10, a submersible pump unit mounting section 14 for mounting two submersible pump units 30 is provided.
Is provided. In the vicinity of the center of the chassis 10, a generator 16 for generating electric power for driving the submersible pump 32 is provided.
Is installed. Also, behind the generator 16,
Compressor 1 for propelling submersible pump unit 30 and generating compressed air for directional control
8 are installed.

On the chassis 10 near the generator 16, a hydraulically driven multi-joint arm 20 is disposed so as to be pivotable with respect to the chassis 10. The articulated arm 20 includes a support member 20 that is provided to be pivotable with respect to the chassis 10.
a, a first arm 20b, a second arm 20c, a third arm 20d, and a hydraulic cylinder for expanding and contracting these arms, etc., and a ring 22 formed by a wirer is attached to the tip of the third arm 20d. ing.

The articulated arm 2 is mounted on the chassis 10.
0 and operating the submersible pump unit 30;
An operation unit 17 for controlling the direction is provided, and a drain hose 24 connected to a submersible pump 32, an air hose 26 for sending compressed air to the submersible pump unit 30, and a side of the articulated arm 20. Submersible pump unit 3
A mooring wire 28 for mooring 0 can be mounted.

FIG. 2 (front view of the submersible pump unit 30)
As shown in FIG. 3 and a bottom view of the submersible pump unit 30, the submersible pump unit 30 includes a submersible pump 32 and two floats 34.

At the bottom of the submersible pump 32, four nozzles 36 are provided. The nozzles 36 are arranged such that the tip end of each nozzle 36 faces left front, right front, left rear, and right rear, where the water intake side of the submersible pump 32 is the front. Compressed air is supplied from the compressor 18 to the nozzle 36. That is, a header 18 a having four valves 18 b is connected to the ejection port of the compressor 18, and each valve 18 b of the header 18 a is connected to each nozzle 36 via the air hose 26.

Each of the floats 34 has a rectangular shape and is connected to the submersible pump 32 via a connecting member 38. Furthermore, in the submersible pump unit 30,
A lifting hook 40 fixed to the submersible pump 32 is provided.

Next, a procedure for using the drainage pump equipment 2 to take water from the flooded area 100 and drain the water to the safety river 102 adjacent to the flooded area 100 will be described.

First, the drainage pump equipment 2 on which various facilities necessary for drainage work are mounted or installed is moved to the drainage target area of the flooded area 100 and the flooded area 100 and the safety river 10 are moved.
Stop at a dike, etc. at the boundary with 2. Then, the position fixing leg 12 is operated to fix the drainage pump equipment 2 at the stop position.

Next, one end of the drain hose 24 is connected to the submersible pump 32, one end of the air hose 26 is connected to the nozzle 36, and one end of the mooring wire 28 is connected to the submersible pump 32.

Next, with the multi-joint arm 20 folded and housed on the chassis 10, the ring 22 at the tip of the multi-joint arm 20 is connected to the lifting hook 4 of the submersible motor unit 30.
Then, the multi-joint arm 20 is extended and swiveled with respect to the chassis 10 to put the submersible pump unit 30 into the flooded area 100. Then, the ring 22 at the distal end of the multi-joint arm 20 is detached from the lifting hook 40 of the underwater motor unit 30 and the multi-joint arm 20 is folded to form the chassis 1.
Housed on top of 0.

Next, the submersible pump unit 30 floating on the surface of the water is self-propelled to an optimum position of the flooded area 100. That is, by operating the operation unit 17 of the drainage pump equipment 2 and remotely controlling each valve 18b of the header 18a, the tip of the nozzle 36 provided on the bottom surface of the submersible pump 32 is moved to the left. By jetting compressed air from two nozzles 36 arranged rearward and right rearward, the vehicle 100 self-propelled to the optimum position of the flooded area 100. By controlling each valve 18b of the header 18a to eject compressed air from any one of the four nozzles 36, fine adjustment of the propulsion direction can be performed.

After the submersible pump unit 30 moves to the optimum position of the flooded area 100, the worker moores the submersible pump unit 30 to a dike or the like with the mooring wire 28, and connects the submersible pump 32 to the drainage hose 24 connected to the submersible pump 32. The other end, that is, the drain outlet, is put into the safety river 102. When the generator 16 is operated in this state, the water in the flooded area 100 is supplied to the submersible pump 3.
2 and drained to the safety river 102.

According to this embodiment, since the submersible pump unit 30 runs by itself, the submersible pump unit 30 can be put into the flooded area 100 and easily moved to the optimum position of the flooded area 100. Therefore, even in bad weather, the installation work of the two submersible pumps can be performed quickly and extremely easily and safely by a very small number of workers (three). Further, even when the drainage work is promoted and the water level around the submersible pump unit 30 is lowered, the submersible pump unit 30 can easily be deepened by self-propelling the submersible pump unit 30 again. The drainage work can be continued efficiently.

Next, a drainage pump system 4 according to a second embodiment of the present invention will be described with reference to FIG. In the second embodiment, the same components as those of the first embodiment will be described with the same reference numerals used in the description of the first embodiment.

The drainage pump equipment 4 according to the second embodiment is different from the drainage pump equipment 2 of the first embodiment in that the propulsion and direction control of the submersible pump unit 30 is performed using compressed air. It is modified to use pressurized water. That is, the compressor 18 of the drainage pump equipment 2 of the first embodiment is changed to a pressurized pump 50, the air hose 26 is changed to a pressurized water hose 52, and a water intake pump 54 is further provided.

Using the drainage pump equipment 4, the submergence area 1
When water is taken from 00 and drained to the safety river 102, the submersible pump unit 30 is put into the flooded area 100 in the same manner as in the first embodiment.

Next, the submersible pump unit 30 floating on the surface of the water is self-propelled to the optimum position of the flooded area 100. That is, the water pumped up by the water intake pump 54 is pressurized by the pressurizing pump 50, and each valve 18b of the header 18a is
Is controlled, the pressurized water is ejected from two nozzles 36 whose front ends are directed to the left rear and the right rear, among the nozzles 36 provided on the bottom surface of the submersible pump 32, so that the flooded area 100 is flooded. Self-propelled to the optimal position. The propulsion direction can also be controlled by ejecting pressurized water from any one of the four nozzles 36 by controlling each valve 18b of the header 18a.

After the submersible pump unit 30 has been moved to the optimal position of the flooded area 100 and moored, drainage is performed in the same manner as in the first embodiment.

According to this embodiment, as in the case of the first embodiment, the submersible pump unit 30 is
It can be easily moved to the optimal position of zero. Therefore, even under bad weather, laying drainage pump
It can be carried out quickly and very easily with a very small number of operators and more safely.

Next, a drainage pump system according to a third embodiment of the present invention will be described with reference to FIG.
In the third embodiment, the same components as those of the first embodiment are denoted by the same reference numerals as those used in the description of the first embodiment.

The drainage pump equipment according to the third embodiment has the submersible pump unit 30 provided with the pressurizing pump of the drainage pump equipment 4 of the second embodiment.

FIG. 5 is a bottom view of the submersible pump unit 30 of the drainage pump equipment according to the third embodiment. As shown in FIG. 5, the float 34 of the submersible pump unit 30 is provided with a pressurized water pump 50, and a discharge port of the pressurized water pump 50 is connected to a header 18a having four valves 18b. The valve 18b and each nozzle 36 are connected.

Therefore, according to this drain pump equipment, the pressurizing pump 50 and the valve 18 of the submersible pump unit 30 are provided.
b, the submerged pump unit 30 is allowed to run by itself, similarly to the submerged pump unit 30 of the drainage pump equipment according to the first and second embodiments.
00 can be easily moved to the optimum position.
Further, according to this drain pump facility, the air hose 26 required in the drain pump facility 2 of the first embodiment, the pressurized water hose 52 required in the drain pump facility of the second embodiment, the intake pump 54 becomes unnecessary and the system can be simplified.

Next, a drainage pump system according to a fourth embodiment of the present invention will be described with reference to FIG.
In the fourth embodiment, the same components as those of the first embodiment are denoted by the same reference numerals as those used in the description of the first embodiment.

The drainage pump equipment according to the fourth embodiment is such that the submersible pump unit 30 of the drainage pump equipment 2 of the first embodiment can be driven by a propeller. FIG. 6 is a front view of a submersible pump unit 30 of the drainage pump equipment according to the fourth embodiment. As shown in FIG. 6, a propeller 58 that propels the submersible pump unit 30 in the front-rear direction is provided at the front end of the submersible pump 32 of the submersible pump unit 30, and the submersible pump unit 30 is A propeller 58 is provided for propulsion in the direction.

Therefore, according to the drainage pump equipment, the drive current and the control signal are output to the drive unit of the propeller of the submersible pump unit 30, so that the submersible pump unit of the drainage equipment of the first to third embodiments is provided. As in the case of the submersible pump unit 30, the submersible pump unit 30 can be easily moved to an optimum position of the flooded area 100 by self-propelled. Further, according to this drain pump facility, the air hose 26 required in the drain pump facility of the first embodiment, the pressurized water hose 52 required in the drain pump facility of the second embodiment,
The intake pump 54 becomes unnecessary, and the system can be simplified.

In each of the above embodiments, the submersible pump 32 is provided with the propulsion / direction control means. However, the present invention is not limited to this, and the float 34 may be provided with the propulsion / direction control means.

In the first and second embodiments, the compressed air or the pressurized water is sent from the drain pump equipment to the submersible pump unit 30 via four hoses. When a valve is provided near the mouth and this valve is controlled on the drain pump facility side, compressed air or pressurized water can be sent to the submersible pump unit 30 with a single hose.

In the above-described first to third embodiments, the submersible pump 32 is provided with four nozzles 36 (FIG. 3). However, the present invention is not limited to this, and as shown in FIG. 36 may be provided. In this case, a header 18a having eight valves 18b is connected to the discharge port of the compressor 18 or the pressure pump 50, and each valve 18b of the header 18a is connected to each nozzle 36. When eight nozzles 36 are provided in this way, the submersible pump unit 30 can be moved with high accuracy.

As shown in FIG. 8, the submersible pump 32 of the submersible pump unit (the float is not shown) is provided with a direction control nozzle 70 in addition to the propulsion nozzle (not shown). Cylinder 72 before nozzle 70
Drive force by the worm 74 and the worm wheel 76
By providing the rudder 78 transmitted via the control unit, the propulsion direction of the submersible pump unit 30 may be controlled by controlling the rudder 78.

As shown in FIG. 9, the submersible pump 32 of the submersible pump unit (the float is not shown) is provided with a direction control nozzle 70 in addition to the propulsion nozzle (not shown). The tip of the nozzle 70 is connected to the worm 74 and the worm wheel 7 by the driving force of the cylinder 72.
6, and the propulsion direction of the submersible pump unit 30 may be controlled by rotating it to the left and right.

As shown in FIG. 10, a streamlined strainer 64 may be provided at the water intake of the submersible pump 32 of each of the above-described embodiments. In this case, the straight traveling performance of the submersible pump unit 30 is improved.

Further, it is also possible to use the discharge reaction force of the submersible motor 32 for propulsion of the submersible pump unit 30 of the drain pump equipment according to each of the above-described embodiments. That is, FIG.
As shown in FIG. 1, the submersible pump unit 30 is
0, propelled by the discharge reaction force of the submersible motor 32, and controls the direction of each of the two mooring wires 28 connected to the submersible pump unit 30 via the pulley 62 by the winch 60 mounted on the chassis 10. This is done by adjusting the length of.

Further, by positioning the water intake of the submersible pump of the drain pump equipment according to each of the above-described embodiments near the water surface, when a floating substance such as oil is floating near the water surface, the drain pump can be used. It is also possible to use the submersible pump unit of the equipment as a self-propelled suspended matter recovery device.

[0050]

According to the present invention, the drainage pump unit is driven by the propulsion means and the direction control means provided in the drainage pump unit, and the drainage pump unit is moved to an optimal position for performing drainage work. Therefore, the drainage pump unit can be moved and laid easily and quickly and safely by a small number of workers to the optimum position in the flooded area. When the drainage pump unit is propelled by the discharge reaction force of the drainage pump, it is not necessary to provide any special propulsion means.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a drainage pump facility according to a first embodiment.

FIG. 2 is a front view of the submersible pump unit according to the first embodiment.

FIG. 3 is a bottom view of the submersible pump unit according to the first embodiment.

FIG. 4 is a perspective view showing a drainage pump facility according to a second embodiment.

FIG. 5 is a bottom view of a submersible pump unit according to a third embodiment.

FIG. 6 is a front view of a submersible pump unit according to a fourth embodiment.

FIG. 7 is a view showing a modified example of the nozzle of the submersible pump unit according to the embodiment.

FIG. 8 is a diagram showing a direction control unit of the submersible pump unit according to the embodiment.

FIG. 9 is a diagram showing a direction control unit of the submersible pump unit according to the embodiment.

FIG. 10 is a diagram illustrating a strainer of the submersible pump according to the embodiment;

FIG. 11 is a perspective view showing a drainage pump facility according to another embodiment.

FIG. 12 is a diagram illustrating a conventional drain pump facility.

[Explanation of symbols]

2 ... drainage pump equipment, 10 ... chassis, 12 ... position fixing leg, 14 ... pump mounting part, 16 ... generator, 18 ... compressor, 20 ... articulated arm, 22 ... ring, 24 ... drainage hose, 26 ... Air hose, 28 ... mooring wire, 30
... submersible pump unit, 32 ... submersible pump, 34 ... float, 36 ... nozzle, 100 ... submergence area, 102 ... safety river.

Claims (4)

[Claims] 1. A drain pump facility configured as a movable body capable of mounting a drain pump unit having a drain pump and a float and a drain hose connected to the drain pump, wherein the movable body pivots on the movable body. A drain pump unit, comprising: an arm operably disposed to carry the drain pump unit, wherein the drain pump unit includes a propulsion unit and a direction control unit. 2. The moving body includes a compressor, and the propulsion unit and the direction control unit eject compressed air compressed by the compressor from a propulsion / direction control nozzle provided in the drain pump unit. The drainage pump equipment according to claim 1, wherein: 3. A step of feeding a drain pump unit provided with a drain pump, a float, a propulsion unit and a direction control unit into a flooded area by an arm provided in the drain pump unit; A step of causing the drainage pump unit to move to a predetermined location in a flooded basin by the direction control means, and a step of mooring the drainage pump unit; and draining the flooded area by the drainage pump of the drainage pump unit. Performing a draining method. 4. A step of feeding a drainage pump unit having a drainage pump, a float and two mooring wires into a submerged basin by an arm provided in the drainage pump equipment, and a discharge reaction force of the drainage pump. Propelling a drainage pump unit, adjusting the length of each of the two mooring wires by a winch provided in the drainage pump equipment, and controlling the direction of propulsion of the drainage pump unit; A step of mooring the drainage pump unit by the mooring wire after the unit moves to a desired position; and a step of draining a flooded basin by the drainage pump of the drainage pump unit. Method.