KR101686116B1 - Column Water Tank Onebody with Stand - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water tank for increasing the height of a water tank (water tank) to obtain an appropriate supply water pressure, and more specifically to a cylindrical water tank in which a water tank is integrated with a pedestal supporting the water tank.

In the present invention, the lower plate of a cylindrical water tank is formed into a dish shape convex downward similarly to a spherical water tank, and the edge of the lower plate is made of a cross section made of a horizontal frame and a vertical frame, and a steel frame made of steel is bolted And the steel pillar is joined to the lower part of the steel column, thereby integrating the water tank and the stand.

Countertop, Cylindrical, Spherical, Trestle, Integral, Undercut

Description

{Column Water Tank Onebody with Stand}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water tank for increasing the height of a water tank (water tank) to obtain an appropriate supply water pressure, and more specifically to a cylindrical water tank in which a water tank is integrated with a pedestal supporting the water tank.

Water tank (water tank) is generally made of corrosion-resistant material such as FRP, PE, STS to prevent rust caused by corrosion. The height of the water tank is raised to obtain a proper supply water pressure, and the water tank is made of relatively cheap and durable steel. Until now, the basin tank was simply putting a basin on the basin.

Spherical water tanks have advantages of low cost and complete drainage because they are made of steel or a steel only by matching the tank to the water tank. However, since it requires a mold frame to make water tank, large water tank is difficult to produce and large bending stress occurs in water tank. The strength of the water tank itself was weak, too.

The cylindrical water tank was made of steel pipe or section steel, and the steel plate was welded thereon, and then a cylindrical water tank was placed. Therefore, the price of storage was high and the storage price increased rapidly, especially as the tank diameter increased. This has become a serious problem in recent years due to a large increase in steel prices. Also, the fact that the bottom of the tank was flat and not completely drained was a common weakness of all the cylindrical tanks.

It is an object of the present invention to eliminate the weak points of the spherical water tank and the cylindrical water tank and to merge only the advantages thereof, to extend the service life of the stool, to facilitate the construction, and to lower the overall price.

In the present invention, the lower plate of a cylindrical water tank is formed into a dish shape convex downward similarly to a spherical water tank, and the edge of the lower plate is made of a cross section made of a horizontal frame and a vertical frame, and a steel frame made of steel is bolted And the steel pillar is joined to the lower part of the steel trough. By integrating the tank and the stand together, the price of the stool is low, the capacity of the tank is not limited, and the water is completely drained. .

The present invention adds the advantages of the cylindrical water tank and the advantages of the spherical water tank, and the advantage that the life of the storage tank is extremely long.

The advantages of a cylindrical water tank are as follows.

① The strength of the water tank is excellent and it is possible to produce any size.

② If the upper plate is a flat plate, it is convenient to put a worker or a disinfector on the upper plate of the water tank.

The drawbacks of the cylindrical water tank are as follows.

① It is impossible to drain completely because the bottom plate is flat. It is also impossible to completely discharge (clean) the sediment.

② If you need a metal frame, you have to frame the steel frame and lay steel plate to make the metal frame. The price of the metal frame is expensive. Especially, when the tank diameter becomes big, the price of the stand increases rapidly. Especially in recent years, steel prices have become more expensive, which makes the price of steel plates even more problematic.

The pros and cons of the spherical water tank are opposite to the cylindrical water tank.

The disadvantage,

① It has weak strength structure, it needs a mold frame to make it, and it is difficult to make large size.

② It is difficult for the top plate to be raised on the top plate.

Advantages

① The bottom is convex downward, making it easy to drain and clean.

② It is cheaper to build a stand with steel or steel pipe only.

The present invention is as follows: (1) a large water tank is easy to manufacture, (2) the top plate can be made flat, (3) the bottom plate is convex downward to allow complete draining and self cleaning, and (4) It has all the advantages of structure.

There are many other advantages. The corrosion-resistant Hapan tee, which forms a water tank, protects the iron frame which is the base of the frame, so that the life of the iron frame, which is the most important part of the frame, is long and does not corrode. When bolts are fastened by fastening bolts, bolts and nuts for fixing bolts are also placed inside the bottom plate, so they are protected from wind and rain.

It is convenient when transporting and constructing, since bolts and nuts that combine iron and steel plates and bottom plates are integrated with water tank (1) and wooden iron table (2), and prevents the water tank from being blown by gusts in the absence of water. The strength of the iron base 2 may be slightly compensated and the ladder 6 may be fixed.

It is the same as a spherical water tank in which the frame is made only of a steel tube or a steel pipe, but the spherical water tank is not protected from wind and rain because the spherical water tank tends to generate a large bending stress due to direct contact with the copper of the water tank. The iron sheeting of the present invention generates a slight bending stress on the bottom plate of the water tank and does not generate any additional stresses in the water bath. Unlike a normal cylindrical water tank, where there is almost no stress, a large stress is generated in the bottom plate of the water tank, but it is not a level that can not be afforded because it is a membrane stress.

The disadvantage of large stresses occurring in the bottom of the water tank of the present invention is offset by the benefit of the absence of the tank top plate and the benefits of full drainage and sediment self-cleaning due to the saucer-like structure. This is a key effect of the present invention.

A large bending stress is generated in the iron itself. The steel frame 2 has a sufficient section modulus to cope with such bending even at a low price. Since the iron web 2a is only subjected to a shearing force, the iron bolt holes 2ac formed in the iron web 2a do not substantially reduce the strength of the iron net 2. [

Care should be taken when drilling a hole in a steel web (2b) where a tensile stress is generated, because the strength of the steel frame is greatly reduced. If the section modulus of the steel frame (2) is insufficient, increase the number of steel bolt-nuts (3) to compensate the insufficient section modulus of the steel section with the strength of the body (1a) Or ③ install several sloped stiffeners between the column and the steel column. Probably ③ will be the most economical.

The method of assembling the bolt fastening column is very convenient and it is especially suitable for the small and medium tank or the temporary tank with a relatively low height. A large water tank provides great convenience in construction work.

It is needless to say that the basic use of the present invention can be widely applied to water tanks, chemical tanks, chemical tanks, grain tanks, feed tanks, and the like.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1,

The moving body 1a of the water tank 1 of the present invention and the upper manhole 1ba and the like on the upper plate 1b are not different from the copper and the upper plate of a normal cylindrical water tank. However, the center of the lower plate 1c forms a downward convex dish center 1ca and its periphery forms a lower plate 1cb. The lower plate 1cb has a lower plate 1cba and a lower plate perpendicular 1cbb.

" 형(할구형=Convex형) 또는 "

"(원추형=Cone형)이 된다. Therefore, the vertical section of the bottom plate is "

"Type (Hollow type = Convex type) or"

"(Cone = Cone type).

If the center (1c) of the plate-shaped bottom plate is conical, it is advantageous to remove the precipitate, but it is disadvantageous in strength such that large stress is generated around the plate. However, when high and sharp acute angles are added, the ambient stress does not become a big problem, which is not suitable for the tank as the height of the tank increases, but it may be suitable for use in water tanks, scraped sedimentation tanks, .

This type has a low height and a comparatively uniform stress, which is advantageous for a water tank. The body 1a of the water tank is bonded on the lower plate horizontal frame 1cba, and the bonding position may be anywhere on the lower plate horizontal frame 1cba.

3A shows a case where the moving body 1a is joined to the outside of the horizontal frame so that the lower vertical frame 1cbb of the moving body 1a is united with each other and FIG. 3b is joined inside the lower horizontal frame 1cba of the moving body 1a And the a-shaped lower frame 1cb protrudes from the body 1a.

And the iron base 2 is fixed with the bolt-nut 3 in the a-shaped lower plate frame 1cb. The iron frame (2) can be made of ㅁ steel section, a section steel, c section steel (including C section steel), H section steel, flat iron, etc. However, a section steel has a small section modulus. ㅁ The shape of the steel tube is somewhat disadvantageous to bolt fastening, but it is suitable for joining steel pipe columns, so it is suitable for small and medium water tank.

The section steel has a large section modulus and is suitable for a large tank. However, the width of the lower flange 2bb to which the column 4 is to be joined is narrow and a stiffener is required. When the iron frame is constituted by the c-shaped steel, the iron web 2a is rolled and welded to the outside. The web 2a of this iron netting is brought into close contact with the inside of the lower plate vertical frame 1cbb as much as possible and the iron net upper flange 2ba is brought into close contact with the lower portion of the horizontal plate 1cba. Holes 2cc penetrating through the holes 1cc and 2ac and then fixed with bolts-nuts 3.

The bolt-nut (3) is preferably made of a corrosion-resistant material such as STS. The bolts and nuts require at least two bolts and nuts. The bolts and nuts are used to prevent the water tank from being blown in the wind by making the water tank 1 and the stand integrally, and it is convenient to simultaneously transport the water tank 1 and the iron tank 2, It also serves to reinforce the strength of the iron base 2 by combining the strength with the strength of the iron base 2. Increasing the number of bolts-nuts increases this role but increases the cost, so it is unnecessary unless it is a special case. Bolt-nuts are also very helpful for on-site installation work. It is also effective to fix the ladder 6 when the ladder 6 penetrates integrally therewith.

In this way, the water tank 1 and the iron base 2 are integrally formed, and then the base column 4 is welded to the lower flange 2bb of the iron base 2 to complete the base tank.

In case of a steel frame, there is no lower flange, so the column (4) should be welded directly to the upper flange (2ba).

In the case of each tube (ㅁ steel), two webs (2aa, 2ab) are to be formed as shown in FIG. 3b. Therefore, the bolts and nuts (3) should be drilled through the holes penetrating both webs. If the fastening is made too strong, the tubes may be deformed and the strength may be affected. This is not a problem in the c-section and the section steel.

When the steel billet 2 is made of H-shaped steel, the lower plate vertical frame 1cbb and the web 2a of the steel-frame-shaped steel are not in close contact with each other. However, since the large section modulus is large and the large tank is not important for bolt tightening, it can be used in a large tank requiring large section modulus.

Since the flange is not used, the column must be directly welded to the steel web. However, the number of steel bolts (3) to prevent buckling increases and the number of steel bolts (3) 1cbb) The height is too large, and it is inconvenient to weld the column and there are many disadvantages such as excessive eccentric load acting on the column.

It is also possible to weld the column fitting pipe 4b to the iron frame 2 and weld the column 4a to the column fitting pipe 4b by going to the site without welding the column 4 directly to the column fitting 2 as shown in Fig. .

Thereafter, the bolts 4c may be fastened in the field by fixing the nuts in advance to the column 4a or the column fitting pipe 4b without final welding or welding. (Bolt fastening, Figs. 4a and 4b)

This is a widely used technique for assembling a tent frame. The strength of the tank is low, but it is very convenient and usually does not hinder practical use. Of course, bolt fastening and welding can be used together. 4A, the nut is to be welded to the column-fitting pipe 4b, and when the column-fitting pipe 4b is smaller than the diameter of the column 4b as shown in FIG. 4B, Nuts are to be welded to the column (4a) and the bolts should be tightened. When the height of the column 4 becomes high, it is inevitable to reinforce it with the horizontal stiffener 5 or the like. In this case, it is convenient to manage the discharge valve 7 by providing a middle stiffener such as a flat plate on the horizontal stiffener 5 at a lower portion of about 1.8 m from the lower plate 1c.

As shown in FIG. 3B, if there is a lower manhole 1cd, the lower manhole 1cd can be managed. If there is a lower manhole (1cd), cleaning the water tank is convenient, but the price is expensive.

The piping connection of the water tank of the present invention can be performed on the upper and lower portions of the moving body 1a like a general cylindrical water tank or on the dish bottom plate 1c like the spherical water tank. However, in any case, the drain valve (7) must be installed in the center of the dish bottom plate (1c) to be completely drained and effective for discharging sediment (cleaning). If there is a lower manhole 1cd, the discharge valve 7 will be installed in the middle of the lower manhole cover.

When piping is connected to the lower plate (1c), the strength of the lower plate (1c) is to be taken into consideration. Since the greatest stress is generated in the lower plate, it is worrisome if the hole is drilled. Therefore, flange connection is safer than socket connection.

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a cross-

Fig. 2 is a perspective view of a steel frame made of a steel tube of the present invention

Fig. 3A is a cross-sectional view of the steel plate of the present invention in which the iron frame is formed of a d-shaped steel, the copper plate is integrally formed with the vertical plate,

FIG. 3B is a sectional view of the iron plate of the present invention in which the iron plate is made of ㅁ steel plate, the a-shaped lower plate is protruded to the outside of the body 1a, the lower plate is directly welded to the steel plate,

Fig. 4A is a cross-sectional view of an iron tube of the present invention composed of H-shaped steel and having a column-

FIG. 4B is a cross-sectional view of the iron tube of the present invention in which a column-fitting pipe having a smaller diameter than the column diameter is welded,

DESCRIPTION OF THE REFERENCE SYMBOLS

1: water tank 1a:

1c: Lower plate 1ca: Plate-shaped center

1cba: Lower plate Horizontal plate 1cbb: Lower plate Vertical plate

2: iron core 2a: iron core web

2b: Flange flange 2ba: Upper flange

2bb: Lower flange

3: Bolt 4: Mount column

Claims (1)

In a water tank installed so as to be supported by a support at a constant height to obtain a supply water pressure, The lower plate 1c constitutes the cylindrical body 1a and the center portion of the lower plate 1c is convex downwardly, The edge of the lower plate 1c is composed of a lower plate horizontal frame 1cba which is seated on an upper portion of the lower plate 1c and is seated on the upper surface of the iron frame 2 on the lower surface thereof, And a lower plate frame 1cb composed of a lower plate vertical frame 1cbb, The iron frame (2) is made of ㄷ, ㅁ, ㄱ. And the H-shaped steel is selected so that the web 2a is welded while being outwardly directed,  The iron plate web 2a is brought into close contact with the a-shaped lower plate vertical frame 1cbb and the iron plate upper flange 2ba is brought into close contact with the lower portion of the horizontal plate 1cba, A plurality of holes 2ac and 1cc penetrating through the iron plate web 2a and the lower plate vertical frame 1cbb are drilled to insert the bolts 3a into the holes and fasten the nuts 3b, Wherein a plurality of pillars (4) or column-fitting pipes (4b) are welded to the lower flange (2b) of the iron base (2).

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