JP2551175Y2 - Pumping equipment - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an obliquely installed pumping device which can be easily installed on an inclined bank for the purpose of taking water from a water source such as a river or the sea, and draining water.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 5, a drive unit 1a is mounted on an oblique shaft pump 1 above the land, or as shown in FIG.
Has been applied to a submersible motor pump 11 installed in a pipe 12.

In the oblique shaft pump 1 shown in FIG. 5, a drive shaft 2 penetrating through the inside of the pump is supported in an oblique direction by an intermediate bearing 4 attached to an intermediate body 3 which is connected to a plurality of inclined shafts. An impeller 6 housed in a pump casing 5 is attached to the tip end, and the intermediate cylinder 3 is
It is supported on a solid foundation 7 and is connected at its upper end to a horizontal discharge pipe 8. During the operation of the pump, the pumped pressure raised by the impeller 6 passes through the discharge pipe 8 of the intermediate cylinder 3,
The liquid is discharged to the outside.

In the submersible motor pump 11 shown in FIG. 6, a pump unit 11a is supported in a pipe 12 by a support member 13 and a pulling chain 14, and the pipe 12 is 16 and is connected to a discharge pipe 17 at an upper end. In the figure, reference numeral 18 denotes a cable.

[0005]

In the above-mentioned conventional oblique pump (FIG. 5), a solid foundation is required because the drive shaft 2 passing through the inside of the pump cannot be bent. In addition, (b) when installing and pulling up, there is a problem that the work is very difficult because the installation is performed while assembling and the lifting is performed while disassembling.

In the latter type of submersible motor pump installed in a pipe (FIG. 6), (a) it is difficult to raise the chain 14 and the like and to fix the cable 18 and the like.
There because of the liquid water, there is liable drawback the cable 18 is damaged, also (ii) submersible motor pump unit 11
Since a is attached to and detached from the bottom surface of the pipe 12, there is a problem that the inclination of the pipe 12 tends to make the attachment and detachment unstable and easily leak from the attachment / detachment portion.

[0007] The present invention solves the above-mentioned problems of the prior art, in which only the submersible motor pump unit can be easily moved up and down, and is detachably and stably detachably attached to the installed discharge pipe unit. The purpose is to provide a simple pumping device.

[0008]

SUMMARY OF THE INVENTION In order to achieve the above object, in the present invention, a guide part for attaching and detaching a submersible motor pump and a discharge pipe are integrally formed in an oblique installation type water pump. and a discharge pipe unit, attach the car wheel
Bending with a submersible motor pump that can move on the above guide
Parallel to the above-mentioned guide part, which is detachable to the connection part
The connection flange formed in the above is attached.

A hook connected to a connecting portion having a curvature between the submersible motor pump and the discharge pipe unit, from which the cable of the submersible motor is taken out from the cutout portion of the upper cable, is provided.
A connecting hook formed in parallel with the guide portion, and a hooking pin for engaging with the hook is attached and detachable.
In addition, a flange is attached, and a fixed axle front wheel and a movable axle rear wheel are attached to the submersible motor pump.

[0010]

[Function] Since the present invention is configured as described above,
When installing the water pumping device, a guide section for mounting and dismounting the discharge pipe and the submersible motor pump is installed on an extension (discharge side) above the discharge pipe unit. while rotating the wheel, it is lowered in a state of being pulled by the winch and wire, etc., finally hooking off
Attach the hook and the hook pin that engages with the hook
Formed in parallel with the above-mentioned guide part.
Securely adhere to the connection flange .

On the other hand, when pulling up the water pump, the submersible motor pump is pulled up by a winch and a wire. At this time, since the wheel at the bottom of the submersible motor pump moves while rotating on the guide section, the submersible motor pump moves smoothly. The cable for the underwater motor is
Since it is taken out from the cutout of the upper casing to the ground, there is little risk of being damaged.

[0012]

Next, an embodiment of the present invention will be described with reference to the drawings. Figure 1 is a fragmentary cross-sectional side view of the pumping equipment showing an embodiment of the present invention. In the figure, a mechanical seal 22 and an impeller 23 are attached to a lower portion (suction side) of a submersible motor 21, and a cable 24 is attached to an upper portion (discharge side) thereof. 25. A suction bell 26a is mounted on the suction side of the discharge bowl 25, and an intermediate casing 26, a partition plate 27, an upper casing 28, and a discharge elbow 29 are mounted on the discharge side. The cable 24 of the underwater motor 21 is
The cutout portion of the upper casing 28 is drawn out of the flowing water.

The outlet flange 29 of the discharge elbow 29
A detachable hook 30 is attached to a, and the discharge bowl 25 is connected at right angles to a rotatable shaft supported by a pillow block (pillow-shaped bearing box) 31. An axle 32 and a rear wheel 33 having wheels mounted on both sides of the axle 32 are provided. A front wheel 34 is integrally mounted on the discharge elbow 29.

On the other hand, the discharge pipe unit 35 is formed integrally with a channel steel 36 for guiding the submersible motor pump and a discharge pipe 37, and the submersible motor 37 is provided at the inlet side flange 37a of the discharge pipe 37. A hooking pin 38 that engages with the hook 30 is attached to face the attachment / detachment hook 30 on the pump unit side. Also, the guide channel steel 3
6 is provided with a projection seat 36a at an intermediate portion thereof so that the submersible motor pump is floated to a position just before the connection flanges 29a and 37a are completely seated, so that the connection portion can be easily seated at a regular position. With the outlet flange 29a
At the time of installation, the inlet side flange 37a is used for the guide channel steel 3 together.
6 are formed in parallel.

Also, the two elbow portions 29b, 3 at the connection point
The curvature of 7b is set to 30 ° to 45 ° to reduce the reaction force due to the hydraulic loss and dynamic pressure, which have conventionally been achieved. Also, the discharge elbow 29 of the submersible motor pump unit is provided.
A lug 29c for mounting a pulling device is mounted above the vehicle, and can be pulled up from the land by a wire 39 or a chain.

Next, the installation main territory pumping device described above, FIG shows an installation example in which buried Figure 1 and discharge pipe 37 2
(A) will be described. In the drawing, on the upper extension of the discharge pipe unit 35, a discharge pipe 37 and a guide channel steel 36 are installed, and a submersible motor pump unit 40
The axles 33, 34 are passed through the guide channel 36 in a state where they are pulled by a wire 39 on a winch 41 or the like installed on land.
Is rotated while rotating, and finally fixedly adhered by a detachable connection flange portion including the hook 30 and the hook pin 38. At this time, the connection flanges 29a, 3
At a position slightly before the connection of the portion 7a, the front wheel 34 rides on the projection seat 36a provided on the guide channel steel 36, and when the submersible motor pump unit 40 is lowered, a gap is formed between the flange surfaces. When the hook 30 for attachment / detachment finally comes to the position where the hook 38 comes into contact with the pin 38, the front wheel 34 is disengaged from the projection seat 36a.
The two flange surfaces are in close contact with each other, and further slide down, and when the hook 30 is hooked on the pin 38, the connection surface is fixedly adhered, and the installation is completed.

In the coupled state, the rear wheel 33, which is under load, is connected to the surfaces of the two flanges 29a, 37a via the pillow block 31 so that the connection surfaces of the two flange portions come into contact with the entire surface. It is rotatable. The cable 24 descends on the way while being attached to the wire 39 by the stopper 24a.

On the other hand, the submersible motor pump unit 40
Can be pulled up simply by pulling the wire 39. At this time, it is convenient to use a cable winding drum (not shown) for the cable 24.

FIG. 2B shows a buried discharge pipe 37.
FIG. 4 is a side view of a main part of an embodiment in which a rising portion on the ground of FIG.

FIG. 3 is an embodiment showing another installation state of the discharge pipe. FIG. 3 (a) is a side view, and FIG. 3 (b) is a sectional view taken along the line III-III of FIG. 3 (a). In the figure, the same reference numerals as those shown in FIGS. 1 and 2 denote the same or similar parts, and different points from these embodiments will be described.
In this embodiment, the discharge pipe 37 is installed on the ground along the inclined surface, and is partially buried before being connected to a horizontally laid pipe on the ground.

FIGS. 4A and 4B show an embodiment showing still another installation state of the discharge pipe. FIG. 4A is a plan view, and FIG. 4B is a side view. The same reference numerals as those described in (1) denote the same or similar parts, and different points from the previous embodiment will be described. In this embodiment, the discharge pipe 37 is installed horizontally along the inclined surface.

In FIG. 4B, the curved tube portion 29b
And the discharge pipe unit 35 including the curved pipe portion 37b may be mounted so as to be bent obliquely downward, and the discharge pipe 37 may be installed obliquely along the ground. Also, the discharge pipe unit 35
More upper extension discharge pipe 37 can also be a flexible hose, such as a vinyl hose or hoses not made of steel.

[0023]

As has been described above devised], a discharge pipe unit which is integrally formed and the discharge pipe guide portion for the submersible motor pump removable, the guide portion on the mounted car wheel
With a curvature with a submersible motor pump that enables
In the connecting part, a detachable type was formed parallel to the above-mentioned guide part.
By attaching the connecting flange, it is possible to only a readily vertical is freely submersible motor pump unit detachably, also installed, because pulling is safe and easy maintenance is facilitated, thus the conventional example, maintenance Since the pump is not easily pulled up until it can be used because it is not easy, it is possible to extend the life of the pump unit by repairing and shortening the life of the pump.

In addition, since the discharge pipe unit is a single unit (unit), it can be easily installed in any place, and the submersible motor pump is made a separate unit to reduce the weight. Can be sufficiently lifted by the simple pulling device, so that there is no need to make a solid pumping station unlike the conventional example, and a simple and inexpensive pumping station can be provided.

Further, by the notch of the upper cable so as to take out the cable underwater motor, the cable is less susceptible to damage because it is exposed to running water outside, because the handling can be easily, hanging hook And engage with the hook
Hook pins are attached to each other to make it detachable.
Together with the connection flange , it can be installed safely and easily.

In addition, by mounting the fixed axle-type front wheel and the movable axle-type rear wheel to the submersible motor pump, not only can the installation and pull-up work be performed smoothly, but also the connection surface between the two flanges can be completely installed. As a result, it becomes possible to fix and adhere.

[Brief description of the drawings]

FIG. 1 is a cross-sectional side view of a main part of a water pump according to an embodiment of the present invention.

FIG. 2A is a side view showing an installation state of a discharge pipe of the water pump according to the present invention, and FIG.

3A is a side view showing another installation state of the discharge pipe of the water pump according to the present invention, and FIG. 3B is a cross-sectional view taken along the line III-III of FIG.

FIG. 4A is a plan view of a main part showing still another installation state of the discharge pipe of the water pump of the present invention, and FIG. 4B is a side view.

FIG. 5 is a side sectional view of a diagonal pump showing a conventional example.

FIG. 6 is a side sectional view of an in-pipe underwater motor pump showing a conventional example.

[Explanation of symbols]

 21: Underwater motor 23: Impeller 24: Cable 25: Discharge bowl 26: Intermediate casing 26a: Suction bell 27: Partition plate 28: Upper casing 29: Discharge elbow 29a: Connection flange 29b: Curved pipe part 30: Hook Hook 31: Pillow block 33: Rear wheel 34: Front wheel 35: Discharge pipe unit 36: Guide channel 37: Discharge pipe 37a: Connection flange 37b: Curved pipe 38: Hook pin 39: Wire 40: Underwater motor Pump unit 41: winch

Claims (3)

(57) [Scope of request for utility model registration] 1. A pumping device for oblique installation type, on a and the discharge pipe guide portion for the submersible motor pump removably mounted a discharge pipe unit which is integrally formed, the car wheels
Curvature of the submersible motor pump that can be moved over the serial guide portion
Parallel to the above-mentioned guide part of the detachable type
A pumping device having the formed connection flange attached thereto. 2. A hook connected to a connecting portion having a curvature between a submersible motor pump and a discharge pipe unit, wherein a cable of the submersible motor is taken out from a cutout portion of an upper casing.
A connection flag formed in parallel with the above-mentioned guide portion, in which a hooking pin engaging with a hook is attached and detachably formed.
The pumping device according to claim 1, wherein a pump is attached . To 3. A submersible motor pump, pumping device according to claim 1 or 2, wherein the attaching the front wheel and rear wheel axles movable type axle fixed type.