JPH0524993U - Pumping equipment - Google Patents

Abstract

(57) [Abstract] [Purpose] For water intake and drainage from a water source such as a river or sea, it can be easily installed on a sloping bank, and only the removable submersible motor pump unit can be easily moved up and down safely. To [Constitution] The impeller 23 directly connected to the submersible motor 21 is discharged to be housed in a bowl 25 and casings 26 and 29, and a front wheel 34 and a rear wheel 33 are attached to the submersible motor pump unit 4
0 and guiding channel steel 36 for guiding the pump unit 40
The discharge pipe unit 35 in which the discharge pipe 37 and the discharge pipe 37 are integrally formed is detachably attached by the hook 30 attached to the unit 40 and the hooking pin 38 attached to the unit 35. ing.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an obliquely installed pumping device that can be easily installed on a sloped bank for the purpose of water intake, drainage, etc. from a water source such as a river or the sea.

[0002]

[Prior Art]

 Conventionally, in this type of apparatus, as shown in FIG. 5, the drive shaft 1a is installed on the upper side of the land, or the pump unit 11a is installed in the pipe 12 as shown in FIG. The submersible motor pump 11 described above was applied.

The oblique shaft pump 1 shown in FIG. 5 is diagonally supported by an intermediate bearing 4 attached to an intermediate body 3 in which a plurality of drive shafts 2 penetrating the inside of the pump are inclined and connected. The impeller 6 housed in the pump casing 5 is attached to the tip of the intermediate barrel 3, which is supported by a solid foundation 7 and is connected to the horizontal discharge pipe 8 at the upper end. Has been done. When the pump is in operation, the pumped liquid whose pressure is increased by the impeller 6 is discharged to the outside through the discharge pipe 8 of the intermediate barrel 3.

In the submersible motor pump 11 shown in FIG. 6, the pump unit 11 a is supported in the pipe 12 by the support member 13 and the lifting chain 14, and the pipe 12 is mounted on the solid foundation 15. It is fixed via the base 16 and is connected to the discharge pipe 17 at the upper end. In the figure, 18 is a cable.

[0005]

[Problems to be solved by the device]

 In the former axle pump (Fig. 5) of the conventional example described above, (a) the drive shaft 2 that penetrates the inside of the pump is not allowed to be bent, so a solid foundation is required, and (b) installation and pulling up. At that time, there was a problem that the work was extremely difficult because the installation was done while assembling and the pulling was done while disassembling.

Further, in the latter submersible motor pump installed in a pipe (FIG. 6), (a) it is difficult to fix the pulling device such as the chain 14 and the cable 18, and the cable 18 is in the liquid water. The cable 18 is apt to be damaged, and (b) the submersible motor pump unit 11a is attached to and detached from the bottom surface of the pipe 12, so that the inclination of the pipe 12 makes the attachment and detachment easily unstable. There was a problem that leakage from the attachment / detachment part was likely to occur.

The present invention solves the above-mentioned problems of the prior art, allows only the submersible motor pump unit to be easily moved up and down, and can be attached to and detached from the discharge pipe unit as it is installed and stably. The purpose is to provide a possible pumping system.

[0008]

[Means for Solving the Problems]

 In order to achieve the above object, the present invention provides a discharge pipe unit in which a guide portion for attaching and detaching a submersible motor pump and a discharge pipe are integrally formed in an obliquely installed pumping apparatus, wheels, and the like. It is characterized in that it is configured so that it can be detachably connected to a submersible motor pump that is mounted and movable.

In addition, a detachable device is attached to the curved connection portion between the submersible motor pump and the discharge pipe unit, in which the cable of the submersible motor is taken out from the notch portion of the upper cable, In addition, the submersible motor pump is characterized by having fixed axle front wheels and movable axle rear wheels.

[0010]

[Action]

 Since the present invention is configured as described above, when installing the pumping apparatus, a guide portion for attaching and detaching the discharge pipe and the submersible motor pump is provided above the discharge pipe unit (the discharge side). Install it and lower the submersible motor pump while rotating the front and rear wheels on the above guide part while pulling it down with a winch and a wire, etc., and finally fixing and adhering it with the attaching / detaching device part.

On the other hand, when pulling up the water pumping apparatus, the submersible motor pump is pulled up with a winch, a wire or the like. At this time, the wheel at the bottom of the submersible motor pump moves while rotating on the guide portion, so that the submersible motor pump moves smoothly. In addition, the cable of the submersible motor is taken out from the notch of the upper casing to the ground, so there is little risk of damage.

[0012]

【Example】

 Next, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a cross-sectional side view of essential parts of a pumping measure showing an embodiment of the present invention. In the figure, a mechanical seal 22 and an impeller 23 are attached to a lower part (suction side) of the submersible motor 21, and a cable 24 is attached to an upper part (discharging side) of the submersible motor 21. It is attached to the bowl 25. A suction bell 26a is attached to 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 attached to the discharge side. The cable 24 of the underwater motor 21 is drawn out of the running water through a notch portion of the upper casing 28.

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

On the other hand, the discharge pipe unit 35 is integrally formed with a guide channel steel 36 for a submersible motor pump and a discharge pipe 37. The inlet side flange 37 a of the discharge pipe 37 has a A hooking pin 38 is attached so as to face the attachment / detachment hook 30 on the motor pump unit side. Further, a protrusion seat 36a is provided in the middle of the guiding channel steel 36 so that the submersible motor pump can be floated up to the point where the connecting flanges 29a and 37a are completely seated, so that the connecting portion is seated at a proper position. It is easy to do.

Further, the curvature of both elbow portions 29b and 37b at the connection point is set to 30 ° to 45 °, and the hydraulic loss and the reaction force due to the dynamic pressure, which have hitherto existed, are reduced. Further, an ear 29c for attaching a pulling device is attached above the discharge elbow 29 of the submersible motor pump unit so that it can be pulled up from the land by a wire 39 or a chain.

Next, the installation area of the above-described water pumping apparatus will be described with reference to FIG. 1 and FIG. 2A showing an example of an installation in which the discharge pipe 37 is buried. In the figure, a discharge pipe 37 and a guiding grooved steel 36 are installed on an upward extension of the discharge pipe unit 35, and a submersible motor pump unit 40 is pulled by a wire 39 to a winch 41 or the like installed on land. In this state, the axles 33 and 34 are lowered while rotating in the guide channel steel 36, and finally, the attachment / detachment device portion including the hook 30 and the hook pin 38 is used for fixed contact. At this time, when the front wheel 34 rides on the projection seat 36a provided on the internal groove steel 36 at a position slightly before the joining of the connection flanges 29a and 37a, the submersible motor pump unit 40 is lowered. Since there is a gap between the flange surfaces and they do not come into contact with each other, the flange surface smoothly descends, and when the attaching / detaching hook 30 finally reaches the position where it is caught by the pin 38, the front wheel 34 is disengaged from the projection seat 36a and both flanges The surfaces come into close contact with each other, further descend while sliding, and when the hook 30 is hooked on the pin 38, the connection surface comes into close close contact and the installation is completed.

In order to ensure that the connecting surfaces of both flanges are in full contact in the coupled state, the rear wheel 33 that receives a load is attached to the surfaces of both flanges 29 a, 37 a via the pillow block 31. It is freely rotatable. The cable 24 descends while being attached to the wire 39 by the stopper 24a on the way.

On the other hand, when the submersible motor pump unit 40 is pulled up to the ground, it can be pulled up only 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 is a side view of the essential part of an embodiment in which the ground rising portion of the buried discharge pipe 37 is modified as compared with FIG.

FIG. 3 is an embodiment showing another installation state of the discharge pipe. FIG. 3A is a side view, FIG. 3B is a sectional view taken along line III-III of FIG. In the figure, the same reference numerals as those shown in FIGS. 1 and 2 indicate the same or similar parts, and the points different 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 the horizontally installed ground pipe.

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

In each of the above-described embodiments, the structure in which the discharge pipe unit and the submersible motor pump are detachable has been described, but the connecting flanges 29a and 37a may be fixed by bolts. Further, in FIG. 4 (b), the discharge elbow including the curved pipe portion 29b and the discharge pipe unit 35 including the curved pipe portion 37b are attached so as to be bent obliquely downward, and the discharge pipe 37 is set diagonally sideways. It is also possible to install it along the ground. Further, the discharge pipe 37 extending upward from the discharge pipe unit 35 may be made of a burnable hose such as a vinyl hose or a rubber hose instead of steel.

[0023]

As described above, the discharge pipe unit in which the guide portion for attaching / detaching the submersible motor pump and the discharge pipe are integrally formed, and the submersible motor pump which is movable by attaching wheels or the like are provided. Since it is configured so that it can be detachably connected, only the submersible motor pump unit that is detachably attached can be easily moved up and down, and since installation and pulling up are safe and easy, maintenance is easy, Therefore, on the conventional side, the pump is often not pulled up until it becomes unusable because it is not easy to maintain. Can be extended.

In addition, since the discharge pipe unit is one unit (unit body), it can be easily installed in any place, and since the submersible motor pump is a separate unit and is lightweight, Since it can be sufficiently lifted with a simple lifting device such as a winch, it is not necessary to create a solid pumping station as in the conventional example, and a simple and inexpensive station can be provided.

In addition, the cable of the submersible motor is taken out from the notch of the upper cable, so that the cable is exposed to the outside of running water and is not easily damaged. Together with the attachment / detachment device, it can be installed safely and easily.

[0026] Furthermore, by mounting the front wheel of the fixed axle type and the rear wheel of the movable axle type on the submersible motor pump, not only can the installation and pulling work be performed smoothly, but also the connection surface of both flanges at the time of installation. It is possible to make a fixed contact with the entire surface.

[Brief description of drawings]

FIG. 1 is a cross-sectional side view of essential parts of a water pumping apparatus according to an embodiment of the present invention.

FIG. 2A is a side view showing an installed state of a discharge pipe of a water pumping device of the present invention, and FIG.

FIG. 3 (a) is a side view showing another installation state of the discharge pipe of the pumping device of the present invention, and FIG. 3 (b) is a sectional view taken along line III-III of FIG. 3 (a).

FIG. 4 (a) is a plan view of a main part showing still another installed state of the discharge pipe of the pumping device of the present invention, and FIG. 4 (b) is a side view.

FIG. 5 is a side sectional view of an oblique shaft pump showing a conventional example.

FIG. 6 is a side sectional view of a conventional submersible motor pump installed in a pipe.

[Explanation of symbols]

 21: Submersible 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 portion 30: Hook Hook 31: Pillow Block 33: Rear Wheel 34: Front Wheel 35: Discharge Pipe Unit 36: Guide Channel Steel 37: Discharge Pipe 37a: Connection Flange 37b: Curved Pipe 38: Hook Pin 39: Wire 40: Underwater Motor Pump unit 41: winch

Claims (3)

[Scope of utility model registration request] 1. A diagonally installed pumping apparatus, wherein a discharge pipe unit in which a guide portion for attaching and detaching the submersible motor pump and a discharge pipe are integrally formed, and a submersible motor pump which is movable by attaching wheels or the like. A pumping device characterized in that and can be detachably connected. 2. A detachable attachment / detachment device is attached to a connecting portion having a curvature between a submersible motor pump and a discharge pipe unit, in which a cable of a submersible motor is taken out from a notch portion of an upper casing. Item 1. The pumping apparatus according to item 1. 3. The water pumping system according to claim 2, wherein the submersible motor pump is provided with a front axle fixed type wheel and a rear axle movable type wheel.