JP2003071265A - Mechanism for raising and lowering guide, and revolution for underwater machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve workability by making a field-welding work unnecessary in a final stage for assembling and installing a mechanism for a raising and lowering guide, and revolution in a water tank P in the mechanism for the raising and lowering guide, and revolution supporting an underwater machine utilized in a water tank. SOLUTION: The upper part 11 to be supported of a guide bar 8 supporting an underwater motor 18 in a freely raising and lowering manner, and the upper- side supporting part 7 of a bracket 5 fixed to the side wall P1 of the water tank P are jointed rotatably each other with a joint pipe 16.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lifting guide turning mechanism for supporting an underwater machine used in a water tank such as a sewage treatment plant or a water storage tank so as to be able to go up and down and turn, and in particular, has an improved assembling property. Belongs to the technical field related to.

[0002]

2. Description of the Related Art Conventionally, a submersible mixer is submerged and installed in a water tank of a sewage treatment plant, various factories, ponds, lakes, moats, fish farms, etc., and the stored water is agitated by the operation of the submersible mixer. It is known. This submersible mixer includes, for example, a motor having an output shaft protruding from a housing, and a propeller mounted integrally with the tip of the output shaft of the motor so as to rotate the propeller by operating the motor. Thus, a swirling flow is generated in the stored water to be used to stir the stored water.

When arranging such an underwater mixer in a water tank, for example, a guide bar (guide) is provided along the side wall of the water tank so as to extend from near the bottom surface in the water tank to near the floor surface around the water tank located above the water surface. The support bar) is erected and the guide bar supports the underwater mixer so that it can be moved up and down. The upper end of the guide bar is rotatably supported by the bracket and the lower end thereof is rotatably supported by the base, and the underwater mixer can be swung by the rotation of the guide bar.

That is, to explain an example of the support structure of the guide bar, for example, the guide bar is a hollow rectangular tube, and the support portions project from the widthwise central portions on the rear side surfaces of the upper and lower ends thereof. Cylindrical upper and lower shaft portions that extend parallel to and concentric with the guide bar are integrally fixed to the front ends (rear ends) of these support portions. Of these, the upper half of the upper shaft portion projects above the connecting portion.

The bracket is attached and fixed to the side wall of the water tank at a position above the water surface and a connecting portion extending horizontally to the surface of the attachment, and has a vertical axis line. A cylindrical bearing portion is provided, and the upper half of the upper shaft portion of the guide bar is rotatably fitted and supported by the bearing portion.

On the other hand, the base is provided with a mounting portion which is mounted and fixed on the bottom surface at the underwater position in the water tank, and is provided on the upper surface of the mounting portion so as to be positioned immediately below the bearing portion of the bracket and projecting therefrom. And a cylindrical bearing portion having a vertical axis, and the lower shaft portion of the guide bar is rotatably fitted and supported on the bearing portion from above.

With such a guide bar support structure, the guide bar is rotatably supported by the upper and lower shafts about the vertical axis, whereby the underwater mixer swings in the horizontal plane together with the guide bar. Then, the orientation in the horizontal plane can be changed.

[0008]

However, when assembling and installing such a lifting guide turning mechanism in a water tank, there are the following problems. That is, as shown in FIG. 5A, at the time of assembly, only the lower shaft portion 10 is bonded and fixed to the lower portion of the guide bar 8 and the upper shaft portion 200 is separated from the guide bar 8 in advance. Then, first, after fixing the base 1 on the bottom surface P2 in the water tank, the lower shaft portion 10 already joined to the guide bar 8 is inserted into the bearing portion 3 of the base 1 from the upper side. Next, as shown in FIG. 5B, the side wall P is formed so as to be concentric with the axis of the bearing portion 3 of the base 1.
The bracket 100 is attached and fixed to 1. Then, at this stage, if the upper shaft portion 200, which is a separate member, is joined to the guide bar 8, the upper half portion 200a thereof interferes with the bearing portion 100a of the bracket 100 and cannot be inserted into it. As shown in c), first, the upper shaft portion 200
After being inserted into the bearing portion 100a of the bracket 100, the support member 200b of the upper shaft portion 200 is welded and fixed to the guide bar 8 in the inserted state.

Therefore, there is a problem in that the workability of assembling is poor because the on-site welding work for joining the upper shaft portion 200 to the guide bar 8 is required at the final stage of the assembling work.

The present invention has been made in view of the above points, and an object thereof is to assemble an ascending / descending guide swing mechanism of an underwater machine into a water tank by devising a connecting structure between a bracket and a guide bar. It is to improve workability by eliminating the need for on-site welding work at the final stage of installation.

[0011]

In order to achieve the above object, the present invention is provided with a support member for rotatably connecting the guide bar and the bracket.

[0012] Specifically, in the invention of claim 1, in an up-and-down guide turning mechanism of an underwater machine, which supports an underwater machine used in the water tank so as to be able to move up and down and turn, a tank of the water tank is provided. A base fixed to the bottom and having a lower support having an axis in the vertical direction, and a bracket having an upper support fixed to the side wall of the aquarium and having an axis concentric with the lower support; A guide bar body that supports the machine so that it can move up and down, a lower supported portion that is provided at the bottom of the guide bar body and is rotatably connected to the lower support portion of the base, and an upper portion of the guide bar body. A guide bar having a lower supported portion and an upper supported portion having an axis line concentric with the lower supported portion, and the upper supported portion of the guide bar and the upper supported portion of the bracket cannot be dropped by a holding means. Hold on It is, and a support member for rotatably connecting the upper supported portion in the upper support portion.

According to the above construction, when the lifting guide turning mechanism is assembled and installed in the water tank, the base is fixed to the bottom surface of the water tank and the lower supported portion of the guide bar is the lower support portion of the base. , The upper supported portion of the guide bar and the upper supporting portion of the bracket are aligned concentrically, and the bracket is adjusted so that the upper supporting portion is concentric with the lower supporting portion of the base. To the side wall. Finally, a supporting member is inserted into the upper supported portion and the upper supporting portion. Therefore, since the upper supported portion is rotatably connected to the upper supported portion by the support member, the on-site welding work at the final stage of assembly and installation becomes unnecessary, and the workability can be improved.

According to the second aspect of the present invention, the guide bar is divided into a plurality of pieces vertically. As a result, the guide bar can be divided and handled, which is convenient for transporting the guide bar, and the length thereof can be easily changed.

According to the third aspect of the present invention, the upper supporting portion and the upper supported portion are hollow cylindrical, and the supporting member is inserted into the upper supporting portion and the upper supported portion.

According to the above construction, it becomes easy to insert the support member by aligning the upper support portion and the upper supported portion with each other, thereby facilitating the assembly and installation work.

According to a fourth aspect of the present invention, the holding means is a projection provided at the lower end of the lower one of the upper supporting portion and the upper supported portion so as to engage with the supporting member.
In the invention of claim 5, the holding means is a bottom portion that covers the lower end opening of the lower one of the upper support portion and the upper supported portion. In the invention of claim 6, the holding means is a locking portion provided on the upper end of the support member so as to be locked with the upper end of the upper supporting portion and the upper supported portion.

According to the constructions of these inventions, the desirable structure of the holding means for preventing the supporting member from falling can be obtained concretely and easily.

According to the invention of claim 7, the upper support portion is arranged above the upper supported portion.

According to the above structure, since the upper supporting portion of the bracket fixed to the side wall is above the upper supported portion of the guide bar, the guide bar can be prevented from coming out upward without providing a separate retaining measure. Therefore, even if the vibration of the underwater machine is transmitted to the guide bar, the stable operation of the underwater machine can be achieved.

In the eighth aspect of the invention, the underwater machine is an underwater mixer for stirring the stored water. According to the above configuration, the submersible mixer is supported so as to be capable of moving up and down and swiveling in the water tank, so that the stored water in the water tank can be efficiently stirred.

[0022]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 3 shows the overall structure of a lifting / lowering guide device for an underwater machine according to an embodiment of the present invention, where P is a water tank, for example, a sewage treatment plant, a reservoir in various factories, pond lake water. , Trench, fish farm, etc. The base 1 is attached and fixed on the bottom surface P2 which is the underwater position in the water tank P. That is, as shown in FIG. 2, the base 1 has a plate-shaped mounting portion 2 mounted and fixed to the bottom surface P2 via anchor bolts B, B, ... Is
And a cylindrical lower support portion 3 having an axis line in the vertical direction.

On the other hand, a bracket 5 is attached and fixed at a position above the water surface W on the side wall P1 of the water tank P.
The bracket 5 includes a plate-shaped mounting portion 6 fixed to the side wall P1 via anchor bolts B, B, ... And a connecting portion 7a extending horizontally on the surface of the mounting portion 6 (see FIG. 1). Is fixed integrally via the side wall P of the bracket 5.
1 is provided with a lower support portion 3 of the base 1 and a hollow cylindrical upper support portion 7 having a concentric axis.

When the water tank P is a pond lake water, a trench, or a fish farm and the side walls P1 and the bottom surface P2 thereof are soil, for example, after the side walls P1 and the bottom surface P2 are hardened with concrete or the like,
The anchor bolts B, B, ... May be embedded.

Further, a guide bar 8 is erected on the side wall P1 so as to extend from near the bottom surface P2, which is located underwater in the water tank P, to near the floor surface P3 around the water tank P, which is located above the water surface W. The upper end of the guide bar 8 is rotatably supported by the upper bracket 5, and the lower end thereof is rotatably supported by the lower base 1.

That is, the guide bar 8 is in the shape of a hollow rectangular tube, and the guide bar main body 9 supports the submersible mixer 18 as an underwater machine for stirring the stored water in the water tank so as to be able to move up and down.
A lower supported portion 10 integrally provided on the lower rear surface of the guide bar body 9 and rotatably connected to the base 1, and integrally provided on the upper rear surface of the guide bar body 9. It has the lower supported portion 10 and the hollow cylindrical upper supported portion 11 having an axis line in a concentric state.

The guide bar body 9 is composed of an upper guide bar 9a and a lower guide bar 9b which are vertically divided into two parts for facilitating transportation work and facilitating length change. As shown in FIG. 1, a fitting portion 9c is provided on the lower end portion of the upper guide bar 9a.
Are integrally projected, and the upper guide bar 9a and the lower guide bar 9b are integrally connected by fitting the fitting portion 9c into the upper end portion of the lower guide bar 9b. Further, a stopper 14 that holds the underwater mixer 18 so as not to drop to the bottom surface P2 is provided on the lower front surface of the lower guide bar 9b.

The lower supported portion 10 of the guide bar 8 is provided with the support portion 12 at the center in the width direction on the rear surface of the lower end portion of the guide bar main body 9, and the upper support portion 11 is
The upper end of the guide bar main body 9 is integrally fixed to the central portion in the width direction of the rear surface of the guide bar main body via a supporting portion 13, and these supported portions 10 and 11 extend in parallel to the guide bar main body 9 and concentrically with each other. It is located in.

The lower supported portion 10 of the guide bar 8 has a cylindrical lower shaft portion 10a, and this lower shaft portion 10a is inserted from above the lower support portion 3 of the base 1. ,
As a result, the lower end of the guide bar 8 is rotatably supported by the base 1.

On the other hand, the upper supported portion 1 of the guide bar 8
1 is arranged concentrically below the upper support portion 7 of the bracket 5, spans between the upper supported portion 11 and the upper support portion 7, and a joint pipe 16 as a supporting member is inserted. The pipe 16 has an upper supported portion 11
It is held so as not to fall by a protrusion 11a as a holding means provided at the lower end of the. As a result, the upper end of the guide bar 8 is rotatably supported by the bracket 5.
It is desirable that the lower end of the joint pipe 16 be tapered for easy insertion.

With the support structure of the guide bar 8 as described above, the guide bar 8 is rotatable around the vertical axis of the base 1 and the bracket 5 at the lower supported portion 10 and the upper supported portion 11, respectively. Supported by this,
The underwater mixer 18 supported by the guide bar body 9 of the guide bar 8 swings in the horizontal plane together with the guide bar 8,
The orientation in the horizontal plane can be changed. In addition, 17
(See FIG. 3) is a handle that is detachably and integrally provided on the upper end of the guide bar 8 and is used by the operator to rotate the guide bar 8 to adjust the orientation of the underwater mixer 18. It is a thing.

The submersible mixer 18 has a closed cylindrical casing 19, and a motor (not shown) is housed inside the casing 19. And casing 1
On the front side of 9, there is provided a propeller 20 which is attached to the output shaft (not shown) of the motor and is rotationally driven by the motor to generate a forward water flow. Further, an annular guide plate 21 having a smaller diameter toward the front is provided around the propeller 20 for the purpose of effectively maintaining the stirring energy over a long distance.

Further, a slide portion 22 for supporting the underwater mixer 18 on the guide bar 8 so as to be able to move up and down is integrally attached and fixed to the rear end portion of the casing 19. As shown in FIG. 4, this slide portion 22 is provided with a U-shaped slide portion main body 23 that is fitted from the front side so as to surround the guide bar 8, and the front plate portion has a guide bar main body 9 of A sliding contact plate 24 that is in sliding contact with the front surface is attached and fixed, and at the upper and lower end positions of the rear end portions of the left and right side plate parts, the rear surface of the guide bar body 9 is brought into contact with the rear surface of the guide bar body 9 to roll. Two pairs of guide rollers 25, 25, ... Are rotatably supported by rod bolts 26, 26 ,. In that state, sliding of the sliding plate 24 and each guide roller 2
The slide portion 22 and the underwater mixer 18 can be moved up and down along the guide bar 8 by rolling of the roller 5. Further, a power cable 28 for supplying power to an internal motor (not shown) is connected near the slide portion 22 at the rear end of the casing 19. A support plate 29 extending upward (upper side in FIG. 3) is fixed to the outer peripheral surface of the casing 19. A state in which the underwater mixer 18 is suspended by connecting the lower end of the chain 30 to any one of the through holes 29a, 29a, ... It is supported so that it can be raised and lowered.

Next, a method of assembling the lifting guide turning mechanism will be described with reference to FIG. First of all, FIG. 1 (a)
As shown in FIG. 2, the base 1 is attached to the bottom surface P2 of the water tank P by the mounting portion 2
Install and fix with anchor bolts B. Next, the upper guide bar 9a of the guide bar body 9 in the guide bar 8
And the lower guide bar 9b are fitted and integrated with each other at the fitting portion 9c, and the lower shaft portion 1 of the lower supported portion 10 of the guide bar 8 is integrated.
0a is inserted into the lower support portion 3 of the base 1.

Then, as shown in FIG. 1B, the upper support portion 7 of the bracket 5 is arranged above the upper supported portion 11 of the guide bar 8 and the upper support portion 7 thereof is disposed.
Is concentric with the lower support 3 of the base 1 (directly above)
The mounting portion 6 of the bracket 5 is fixed to the side wall P1 by the anchor bolt B so that

Finally, as shown in FIG. 1 (c), the upper supported portion 11 of the guide bar 8 is concentrically aligned with the upper support portion 7 of the bracket 5 fixed to the side wall P1. The joint pipe 16 may be inserted into both of them from above.

Therefore, in this embodiment, as described above, since the upper supporting portion 7 of the bracket 5 and the upper supported portion 11 of the guide bar 8 are connected by the joint pipe 16 as a supporting member, the guide bar 8 is formed. Field welding work at the final stage of assembling and installing is unnecessary, and workability can be improved.

Further, since the projection 11a is provided at the lower end of the upper supported portion 11 of the guide bar 8 and the projection 11a prevents the joint pipe 16 from falling, the joint pipe 16 is prevented from falling. It is easy to obtain a holding means for

The bracket 5 fixed to the side wall P1
Since the upper support portion 7 of the above is above the upper supported portion 11 of the guide bar 8, even if the vibration of the underwater mixer 18 is transmitted to the guide bar 8, the guide bar 8 is moved upward without providing a separate retaining means. It can be prevented from coming off.

In the present embodiment, the guide bar body 9 of the guide bar 8 is divided into a plurality of vertically divided parts, but it may be divided into three or more parts. Further, although the guide bar main body 9 does not necessarily have to be divided into a plurality of pieces, it is desirable that the guide bar body 9 is convenient for carrying the guide bar 8 and the length thereof can be easily changed.

Further, in this embodiment, the upper support portion 7 of the bracket 5 and the upper supported portion 11 of the guide bar 8 are hollow cylindrical, and the joint pipe 16 is the upper support portion 7 and the upper supported portion 11 of the joint pipe 16. It was inserted in and
The upper support portion 7 and the upper supported portion 11 do not necessarily have to be hollow, as long as the joint pipe 16 rotatably connects the upper support portion 7 and the upper supported portion 11 to each other. A structure may be adopted.

In the above embodiment, the joint pipe 16 is held by the protrusion 11a provided at the lower end of the upper supported portion 11 of the guide bar 8. However, in addition to this, the lower end opening of the upper supported portion 11 is opened. It is also possible to provide a bottom portion for covering the joint pipe 16 by this bottom portion. Conversely, a flange may be provided on the upper end of the joint pipe 16 so as to engage with the upper end of the upper support portion 7 of the bracket 5, and the joint pipe 16 may be held by this flange.

Further, in the present embodiment, the upper supporting portion 7 of the bracket 5 is arranged above the upper supported portion 11 of the guide bar 8. However, conversely, the upper supported portion 11 is the upper supporting portion. It may be on the upper side of 7. But,
In order to enable stable operation of the submersible mixer, it is desirable that the upper support portion 7 be above the upper supported portion 11.

In this embodiment, the underwater machine is the underwater mixer 18, but it may be an underwater machine such as an underwater pump or an underwater aerator.

[0045]

As described above, according to the first aspect of the present invention, when an underwater machine used in a water tank is supported so as to be able to move up and down and to turn, the upper supported portion of the guide bar and the water tank. The upper support part of the bracket fixed to the side wall of the underside is rotatably connected by the support member held by the holding means so that it cannot be dropped. Welding work becomes unnecessary and workability can be improved.

According to the second aspect of the present invention, the guide bar is divided into the upper and lower parts, whereby the transportability of the guide bar and the length change can be facilitated.

According to the third aspect of the present invention, the upper supporting portion and the upper supported portion are formed in a hollow cylindrical shape, and the supporting member is inserted into the upper supporting portion and the upper supported portion. Further simplification can be achieved.

In the invention of claim 4, the holding means is a projection provided at the lower end of the lower one of the upper supporting portion and the upper supported portion so as to be engaged with the supporting member.
In the invention of claim 5, the holding means is a bottom portion that covers the lower end opening of the lower one of the upper support portion and the upper supported portion. Further, in the invention of claim 6, the holding means is a locking portion provided at the upper end of the supporting member so as to be locked with the upper end of the upper supporting portion and the upper supported portion. According to these inventions, the desirable structure of the holding means for preventing the supporting member from falling can be obtained concretely and easily.

According to the seventh aspect of the present invention, by disposing the upper support portion above the upper supported portion, it is possible to stably operate the underwater machine even when the vibration of the underwater machine is transmitted to the guide bar.

According to the eighth aspect of the invention, the underwater machine can efficiently stir the stored water in the water tank by using the underwater mixer for stirring the stored water.

[Brief description of drawings]

FIG. 1 is an explanatory view showing an assembling method of a lifting guide turning mechanism according to an embodiment of the present invention.

FIG. 2 is an enlarged sectional view showing a main part of a lifting guide turning mechanism.

FIG. 3 is a perspective view showing an overall configuration of a lifting guide turning mechanism according to the embodiment.

FIG. 4 is an enlarged perspective view showing a slide portion of the underwater mixer.

FIG. 5 is an explanatory view showing an assembling method of a lifting guide turning mechanism according to a conventional technique.

[Explanation of symbols]

1 base 3 Lower support 5 bracket 7 Upper support 8 Guide bar 9 Guide bar body 10 Lower supported part 11 Upper supported part 11a protrusion 16 joint pipe

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Yoshiyuki Horie             14 Sakudai, Ono City, Hyogo Prefecture Shinmeiwa Industry Co., Ltd.             Industrial Machinery Systems Division (72) Inventor Kazuki Takeuchi             14 Sakudai, Ono City, Hyogo Prefecture Shinmeiwa Industry Co., Ltd.             Industrial Machinery Systems Division F term (reference) 3J105 AA02 AA03 AA12 AC02                 4G037 DA30 EA03                 4G078 AA13 AB20 BA01 DA19 DB08                       EA20

Claims (8)

[Claims] 1. An elevating guide swing mechanism for an underwater machine, which is configured to support an underwater machine used in a water tank so as to be capable of moving up and down and swinging, wherein the vertical mechanism is fixed to a bottom of the water tank and has a vertical axis line. A base having a lower support portion to have, a bracket having an upper support portion fixed to the side wall of the aquarium and having an axis concentric with the lower support portion, and a guide bar main body for supporting the submersible machine so as to be able to move up and down. When,
A lower supported portion that is provided at a lower portion of the guide bar body and is rotatably connected to the lower supporting portion of the base, and a lower supported portion that is provided at an upper portion of the guide bar body and is concentric with the lower supported portion. A guide bar having an upper supported portion having an axis of, and an upper supported portion of the above-mentioned guide bar and an upper supported portion of the bracket, which are held by the holding means so as not to fall, and the upper supported portion is supported by the upper supported portion. A lifting guide turning mechanism for an underwater machine, comprising: a support member rotatably connected to the underwater machine. 2. The lifting guide turning mechanism for an underwater machine according to claim 1, wherein the guide bar is vertically divided into a plurality of parts. 3. The lifting guide turning mechanism for an underwater machine according to claim 1 or 2, wherein the upper support part and the upper supported part are hollow cylindrical, and the supporting member is the upper support part and the upper supported part. An up-and-down guide turning mechanism for an underwater machine, which is inserted into and. 4. The lifting guide turning mechanism for an underwater machine according to claim 3, wherein the holding means is provided at a lower end of the lower one of the upper supporting portion and the upper supported portion so as to engage with the supporting member. Lifting guide swivel mechanism for underwater machinery, which is characterized by a curved projection. 5. The lifting guide turning mechanism for an underwater machine according to claim 3, wherein the holding means is a bottom portion that covers a lower end opening of the lower one of the upper supporting portion and the upper supported portion. Lifting guide turning mechanism for underwater machinery. 6. The lifting guide swivel mechanism for an underwater machine according to claim 3, wherein the holding means engages with the upper end of the support member and the upper end of the upper support part and the upper supported part. A lifting guide turning mechanism for an underwater machine, characterized in that it is a locking portion provided. 7. The lifting guide turning mechanism for an underwater machine according to claim 1, wherein the upper support part is arranged above the upper supported part. Swivel mechanism. 8. The lifting guide swivel mechanism for an underwater machine according to claim 1, wherein the underwater machine is an underwater mixer for stirring the stored water.